annotate Python/compile.c @ 25789:61d531533a86 2.2 v2.2.2

This commit was manufactured by cvs2svn to create tag 'r222'.
author cvs2svn <tools@python.org>
date Mon, 14 Oct 2002 20:11:50 +0000
parents a94f272e600d
children 3eb0376e93e8
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1 /* Compile an expression node to intermediate code */
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2
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3 /* XXX TO DO:
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4 XXX add __doc__ attribute == co_doc to code object attributes?
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5 XXX (it's currently the first item of the co_const tuple)
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6 XXX Generate simple jump for break/return outside 'try...finally'
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7 XXX Allow 'continue' inside finally clause of try-finally
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8 XXX New opcode for loading the initial index for a for loop
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9 XXX other JAR tricks?
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10 */
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11
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12 #include "Python.h"
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13
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14 #include "node.h"
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15 #include "token.h"
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16 #include "graminit.h"
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17 #include "compile.h"
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18 #include "symtable.h"
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19 #include "opcode.h"
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20 #include "structmember.h"
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21
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22 #include <ctype.h>
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23
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24 /* Three symbols from graminit.h are also defined in Python.h, with
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25 Py_ prefixes to their names. Python.h can't include graminit.h
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26 (which defines too many confusing symbols), but we can check here
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27 that they haven't changed (which is very unlikely, but possible). */
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28 #if Py_single_input != single_input
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29 #error "single_input has changed -- update Py_single_input in Python.h"
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30 #endif
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31 #if Py_file_input != file_input
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32 #error "file_input has changed -- update Py_file_input in Python.h"
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33 #endif
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34 #if Py_eval_input != eval_input
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35 #error "eval_input has changed -- update Py_eval_input in Python.h"
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36 #endif
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37
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38 int Py_OptimizeFlag = 0;
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39
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40 #define OP_DELETE 0
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41 #define OP_ASSIGN 1
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42 #define OP_APPLY 2
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43
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44 #define VAR_LOAD 0
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45 #define VAR_STORE 1
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46 #define VAR_DELETE 2
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47
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48 #define DEL_CLOSURE_ERROR \
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49 "can not delete variable '%.400s' referenced in nested scope"
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50
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51 #define DUPLICATE_ARGUMENT \
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52 "duplicate argument '%s' in function definition"
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54 #define ILLEGAL_DYNAMIC_SCOPE \
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55 "%.100s: exec or 'import *' makes names ambiguous in nested scope"
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56
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57 #define GLOBAL_AFTER_ASSIGN \
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58 "name '%.400s' is assigned to before global declaration"
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59
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60 #define GLOBAL_AFTER_USE \
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61 "name '%.400s' is used prior to global declaration"
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62
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63 #define LOCAL_GLOBAL \
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64 "name '%.400s' is a function parameter and declared global"
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65
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66 #define LATE_FUTURE \
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67 "from __future__ imports must occur at the beginning of the file"
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69 #define ASSIGN_DEBUG \
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70 "can not assign to __debug__"
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71
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72 #define MANGLE_LEN 256
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73
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74 #define OFF(x) offsetof(PyCodeObject, x)
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75
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76 static PyMemberDef code_memberlist[] = {
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77 {"co_argcount", T_INT, OFF(co_argcount), READONLY},
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78 {"co_nlocals", T_INT, OFF(co_nlocals), READONLY},
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79 {"co_stacksize",T_INT, OFF(co_stacksize), READONLY},
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80 {"co_flags", T_INT, OFF(co_flags), READONLY},
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81 {"co_code", T_OBJECT, OFF(co_code), READONLY},
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82 {"co_consts", T_OBJECT, OFF(co_consts), READONLY},
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83 {"co_names", T_OBJECT, OFF(co_names), READONLY},
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84 {"co_varnames", T_OBJECT, OFF(co_varnames), READONLY},
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85 {"co_freevars", T_OBJECT, OFF(co_freevars), READONLY},
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86 {"co_cellvars", T_OBJECT, OFF(co_cellvars), READONLY},
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87 {"co_filename", T_OBJECT, OFF(co_filename), READONLY},
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88 {"co_name", T_OBJECT, OFF(co_name), READONLY},
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89 {"co_firstlineno", T_INT, OFF(co_firstlineno), READONLY},
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90 {"co_lnotab", T_OBJECT, OFF(co_lnotab), READONLY},
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91 {NULL} /* Sentinel */
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92 };
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93
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94 static void
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95 code_dealloc(PyCodeObject *co)
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96 {
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97 Py_XDECREF(co->co_code);
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98 Py_XDECREF(co->co_consts);
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99 Py_XDECREF(co->co_names);
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100 Py_XDECREF(co->co_varnames);
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101 Py_XDECREF(co->co_freevars);
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102 Py_XDECREF(co->co_cellvars);
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103 Py_XDECREF(co->co_filename);
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104 Py_XDECREF(co->co_name);
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105 Py_XDECREF(co->co_lnotab);
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106 PyObject_DEL(co);
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107 }
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108
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109 static PyObject *
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110 code_repr(PyCodeObject *co)
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111 {
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112 char buf[500];
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113 int lineno = -1;
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114 char *filename = "???";
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115 char *name = "???";
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116
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117 if (co->co_firstlineno != 0)
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118 lineno = co->co_firstlineno;
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119 if (co->co_filename && PyString_Check(co->co_filename))
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120 filename = PyString_AS_STRING(co->co_filename);
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121 if (co->co_name && PyString_Check(co->co_name))
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122 name = PyString_AS_STRING(co->co_name);
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123 PyOS_snprintf(buf, sizeof(buf),
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124 "<code object %.100s at %p, file \"%.300s\", line %d>",
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125 name, co, filename, lineno);
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126 return PyString_FromString(buf);
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127 }
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128
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129 static int
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130 code_compare(PyCodeObject *co, PyCodeObject *cp)
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131 {
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132 int cmp;
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133 cmp = PyObject_Compare(co->co_name, cp->co_name);
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134 if (cmp) return cmp;
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135 cmp = co->co_argcount - cp->co_argcount;
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136 if (cmp) return (cmp<0)?-1:1;
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137 cmp = co->co_nlocals - cp->co_nlocals;
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138 if (cmp) return (cmp<0)?-1:1;
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139 cmp = co->co_flags - cp->co_flags;
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140 if (cmp) return (cmp<0)?-1:1;
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141 cmp = PyObject_Compare(co->co_code, cp->co_code);
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142 if (cmp) return cmp;
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143 cmp = PyObject_Compare(co->co_consts, cp->co_consts);
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144 if (cmp) return cmp;
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145 cmp = PyObject_Compare(co->co_names, cp->co_names);
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146 if (cmp) return cmp;
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147 cmp = PyObject_Compare(co->co_varnames, cp->co_varnames);
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148 if (cmp) return cmp;
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149 cmp = PyObject_Compare(co->co_freevars, cp->co_freevars);
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150 if (cmp) return cmp;
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151 cmp = PyObject_Compare(co->co_cellvars, cp->co_cellvars);
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152 return cmp;
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153 }
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154
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155 static long
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156 code_hash(PyCodeObject *co)
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157 {
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158 long h, h0, h1, h2, h3, h4, h5, h6;
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159 h0 = PyObject_Hash(co->co_name);
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160 if (h0 == -1) return -1;
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161 h1 = PyObject_Hash(co->co_code);
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162 if (h1 == -1) return -1;
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163 h2 = PyObject_Hash(co->co_consts);
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164 if (h2 == -1) return -1;
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165 h3 = PyObject_Hash(co->co_names);
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166 if (h3 == -1) return -1;
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167 h4 = PyObject_Hash(co->co_varnames);
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168 if (h4 == -1) return -1;
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169 h5 = PyObject_Hash(co->co_freevars);
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170 if (h5 == -1) return -1;
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171 h6 = PyObject_Hash(co->co_cellvars);
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172 if (h6 == -1) return -1;
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173 h = h0 ^ h1 ^ h2 ^ h3 ^ h4 ^ h5 ^ h6 ^
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174 co->co_argcount ^ co->co_nlocals ^ co->co_flags;
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175 if (h == -1) h = -2;
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176 return h;
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177 }
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178
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179 /* XXX code objects need to participate in GC? */
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180
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181 PyTypeObject PyCode_Type = {
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182 PyObject_HEAD_INIT(&PyType_Type)
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183 0,
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184 "code",
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185 sizeof(PyCodeObject),
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186 0,
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187 (destructor)code_dealloc, /* tp_dealloc */
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188 0, /* tp_print */
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189 0, /* tp_getattr */
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190 0, /* tp_setattr */
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191 (cmpfunc)code_compare, /* tp_compare */
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192 (reprfunc)code_repr, /* tp_repr */
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193 0, /* tp_as_number */
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194 0, /* tp_as_sequence */
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195 0, /* tp_as_mapping */
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196 (hashfunc)code_hash, /* tp_hash */
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197 0, /* tp_call */
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198 0, /* tp_str */
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199 PyObject_GenericGetAttr, /* tp_getattro */
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200 0, /* tp_setattro */
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201 0, /* tp_as_buffer */
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202 Py_TPFLAGS_DEFAULT, /* tp_flags */
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203 0, /* tp_doc */
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204 0, /* tp_traverse */
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205 0, /* tp_clear */
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206 0, /* tp_richcompare */
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207 0, /* tp_weaklistoffset */
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208 0, /* tp_iter */
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209 0, /* tp_iternext */
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210 0, /* tp_methods */
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211 code_memberlist, /* tp_members */
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212 0, /* tp_getset */
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213 0, /* tp_base */
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214 0, /* tp_dict */
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215 0, /* tp_descr_get */
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216 0, /* tp_descr_set */
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217 0, /* tp_dictoffset */
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218 0, /* tp_init */
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219 0, /* tp_alloc */
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220 0, /* tp_new */
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221 };
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222
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223 #define NAME_CHARS \
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224 "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz"
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225
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226 /* all_name_chars(s): true iff all chars in s are valid NAME_CHARS */
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227
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228 static int
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229 all_name_chars(unsigned char *s)
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230 {
16523
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231 static char ok_name_char[256];
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232 static unsigned char *name_chars = (unsigned char *)NAME_CHARS;
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233
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234 if (ok_name_char[*name_chars] == 0) {
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235 unsigned char *p;
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236 for (p = name_chars; *p; p++)
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237 ok_name_char[*p] = 1;
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238 }
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239 while (*s) {
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240 if (ok_name_char[*s++] == 0)
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241 return 0;
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242 }
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243 return 1;
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244 }
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245
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246 static int
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247 intern_strings(PyObject *tuple)
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248 {
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249 int i;
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250
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251 for (i = PyTuple_GET_SIZE(tuple); --i >= 0; ) {
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252 PyObject *v = PyTuple_GET_ITEM(tuple, i);
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253 if (v == NULL || !PyString_Check(v)) {
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254 Py_FatalError("non-string found in code slot");
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255 PyErr_BadInternalCall();
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256 return -1;
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257 }
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258 PyString_InternInPlace(&PyTuple_GET_ITEM(tuple, i));
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259 }
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260 return 0;
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261 }
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262
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263 PyCodeObject *
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264 PyCode_New(int argcount, int nlocals, int stacksize, int flags,
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265 PyObject *code, PyObject *consts, PyObject *names,
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266 PyObject *varnames, PyObject *freevars, PyObject *cellvars,
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267 PyObject *filename, PyObject *name, int firstlineno,
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268 PyObject *lnotab)
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269 {
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270 PyCodeObject *co;
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271 int i;
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272 /* Check argument types */
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273 if (argcount < 0 || nlocals < 0 ||
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274 code == NULL ||
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275 consts == NULL || !PyTuple_Check(consts) ||
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276 names == NULL || !PyTuple_Check(names) ||
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277 varnames == NULL || !PyTuple_Check(varnames) ||
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278 freevars == NULL || !PyTuple_Check(freevars) ||
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279 cellvars == NULL || !PyTuple_Check(cellvars) ||
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280 name == NULL || !PyString_Check(name) ||
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281 filename == NULL || !PyString_Check(filename) ||
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282 lnotab == NULL || !PyString_Check(lnotab) ||
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283 !PyObject_CheckReadBuffer(code)) {
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284 PyErr_BadInternalCall();
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285 return NULL;
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286 }
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287 intern_strings(names);
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288 intern_strings(varnames);
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289 if (freevars == NULL)
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290 freevars = PyTuple_New(0);
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291 intern_strings(freevars);
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292 if (cellvars == NULL)
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293 cellvars = PyTuple_New(0);
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294 intern_strings(cellvars);
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295 /* Intern selected string constants */
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296 for (i = PyTuple_Size(consts); --i >= 0; ) {
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297 PyObject *v = PyTuple_GetItem(consts, i);
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298 if (!PyString_Check(v))
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299 continue;
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300 if (!all_name_chars((unsigned char *)PyString_AS_STRING(v)))
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301 continue;
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302 PyString_InternInPlace(&PyTuple_GET_ITEM(consts, i));
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303 }
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304 co = PyObject_NEW(PyCodeObject, &PyCode_Type);
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305 if (co != NULL) {
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306 co->co_argcount = argcount;
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307 co->co_nlocals = nlocals;
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308 co->co_stacksize = stacksize;
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309 co->co_flags = flags;
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310 Py_INCREF(code);
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311 co->co_code = code;
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312 Py_INCREF(consts);
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313 co->co_consts = consts;
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314 Py_INCREF(names);
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315 co->co_names = names;
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316 Py_INCREF(varnames);
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317 co->co_varnames = varnames;
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318 Py_INCREF(freevars);
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319 co->co_freevars = freevars;
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320 Py_INCREF(cellvars);
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321 co->co_cellvars = cellvars;
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322 Py_INCREF(filename);
266
b5826bf29677 Changed and exported newcodeobject() interface, for ".pyc" files.
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323 co->co_filename = filename;
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324 Py_INCREF(name);
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325 co->co_name = name;
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326 co->co_firstlineno = firstlineno;
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327 Py_INCREF(lnotab);
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328 co->co_lnotab = lnotab;
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329 }
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330 return co;
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331 }
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332
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333
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334 /* Data structure used internally */
317
325b40d77235 New syntax: semicolons, continue statement.
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335
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336 /* The compiler uses two passes to generate bytecodes. The first pass
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337 builds the symbol table. The second pass generates the bytecode.
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338
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339 The first pass uses a single symtable struct. The second pass uses
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340 a compiling struct for each code block. The compiling structs
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341 share a reference to the symtable.
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342
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343 The two passes communicate via symtable_load_symbols() and via
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344 is_local() and is_global(). The former initializes several slots
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345 in the compiling struct: c_varnames, c_locals, c_nlocals,
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346 c_argcount, c_globals, and c_flags.
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347 */
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348
18065
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349 /* All about c_lnotab.
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350
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351 c_lnotab is an array of unsigned bytes disguised as a Python string. In -O
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352 mode, SET_LINENO opcodes aren't generated, and bytecode offsets are mapped
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353 to source code line #s (when needed for tracebacks) via c_lnotab instead.
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354 The array is conceptually a list of
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355 (bytecode offset increment, line number increment)
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diff changeset
356 pairs. The details are important and delicate, best illustrated by example:
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diff changeset
357
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diff changeset
358 byte code offset source code line number
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diff changeset
359 0 1
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360 6 2
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361 50 7
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362 350 307
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363 361 308
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diff changeset
364
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diff changeset
365 The first trick is that these numbers aren't stored, only the increments
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diff changeset
366 from one row to the next (this doesn't really work, but it's a start):
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diff changeset
367
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diff changeset
368 0, 1, 6, 1, 44, 5, 300, 300, 11, 1
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diff changeset
369
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diff changeset
370 The second trick is that an unsigned byte can't hold negative values, or
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diff changeset
371 values larger than 255, so (a) there's a deep assumption that byte code
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diff changeset
372 offsets and their corresponding line #s both increase monotonically, and (b)
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diff changeset
373 if at least one column jumps by more than 255 from one row to the next, more
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diff changeset
374 than one pair is written to the table. In case #b, there's no way to know
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diff changeset
375 from looking at the table later how many were written. That's the delicate
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diff changeset
376 part. A user of c_lnotab desiring to find the source line number
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diff changeset
377 corresponding to a bytecode address A should do something like this
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diff changeset
378
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diff changeset
379 lineno = addr = 0
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diff changeset
380 for addr_incr, line_incr in c_lnotab:
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diff changeset
381 addr += addr_incr
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diff changeset
382 if addr > A:
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diff changeset
383 return lineno
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diff changeset
384 lineno += line_incr
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diff changeset
385
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diff changeset
386 In order for this to work, when the addr field increments by more than 255,
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diff changeset
387 the line # increment in each pair generated must be 0 until the remaining addr
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diff changeset
388 increment is < 256. So, in the example above, com_set_lineno should not (as
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diff changeset
389 was actually done until 2.2) expand 300, 300 to 255, 255, 45, 45, but to
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diff changeset
390 255, 0, 45, 255, 0, 45.
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diff changeset
391 */
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diff changeset
392
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diff changeset
393 struct compiling {
14471
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diff changeset
394 PyObject *c_code; /* string */
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395 PyObject *c_consts; /* list of objects */
12522
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diff changeset
396 PyObject *c_const_dict; /* inverse of c_consts */
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diff changeset
397 PyObject *c_names; /* list of strings (names) */
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diff changeset
398 PyObject *c_name_dict; /* inverse of c_names */
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diff changeset
399 PyObject *c_globals; /* dictionary (value=None) */
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diff changeset
400 PyObject *c_locals; /* dictionary (value=localID) */
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
401 PyObject *c_varnames; /* list (inverse of c_locals) */
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
402 PyObject *c_freevars; /* dictionary (value=None) */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
403 PyObject *c_cellvars; /* list */
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
404 int c_nlocals; /* index of next local */
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
405 int c_argcount; /* number of top-level arguments */
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
406 int c_flags; /* same as co_flags */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
407 int c_nexti; /* index into c_code */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
408 int c_errors; /* counts errors occurred */
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
409 int c_infunction; /* set when compiling a function */
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
410 int c_interactive; /* generating code for interactive command */
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
411 int c_loops; /* counts nested loops */
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
412 int c_begin; /* begin of current loop, for 'continue' */
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
413 int c_block[CO_MAXBLOCKS]; /* stack of block types */
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
414 int c_nblocks; /* current block stack level */
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
415 char *c_filename; /* filename of current node */
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1029
diff changeset
416 char *c_name; /* name of object (e.g. function) */
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
417 int c_lineno; /* Current line number */
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
418 int c_stacklevel; /* Current stack level */
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
419 int c_maxstacklevel; /* Maximum stack level */
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
420 int c_firstlineno;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
421 PyObject *c_lnotab; /* Table mapping address to line number */
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
422 int c_last_addr, c_last_line, c_lnotab_next;
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
423 char *c_private; /* for private name mangling */
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
424 int c_tmpname; /* temporary local name counter */
16523
9d625303f914 Reindent a function that was somehow indented by 7 spaces. Also did a
Guido van Rossum <guido@python.org>
parents: 16428
diff changeset
425 int c_nested; /* Is block nested funcdef or lamdef? */
9d625303f914 Reindent a function that was somehow indented by 7 spaces. Also did a
Guido van Rossum <guido@python.org>
parents: 16428
diff changeset
426 int c_closure; /* Is nested w/freevars? */
9d625303f914 Reindent a function that was somehow indented by 7 spaces. Also did a
Guido van Rossum <guido@python.org>
parents: 16428
diff changeset
427 struct symtable *c_symtable; /* pointer to module symbol table */
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16783
diff changeset
428 PyFutureFeatures *c_future; /* pointer to module's __future__ */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
429 };
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
430
17518
f939ce52a734 Make some private symbols static.
Guido van Rossum <guido@python.org>
parents: 17355
diff changeset
431 static int
f939ce52a734 Make some private symbols static.
Guido van Rossum <guido@python.org>
parents: 17355
diff changeset
432 is_free(int v)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
433 {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
434 if ((v & (USE | DEF_FREE))
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
435 && !(v & (DEF_LOCAL | DEF_PARAM | DEF_GLOBAL)))
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
436 return 1;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
437 if (v & DEF_FREE_CLASS)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
438 return 1;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
439 return 0;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
440 }
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
441
16428
6496844c4a42 Fix symbol table pass to generation SyntaxError exceptions that
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16421
diff changeset
442 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
443 com_error(struct compiling *c, PyObject *exc, char *msg)
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
444 {
16831
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
445 PyObject *t = NULL, *v = NULL, *w = NULL, *line = NULL;
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
446
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
447 if (c == NULL) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
448 /* Error occurred via symtable call to
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
449 is_constant_false */
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
450 PyErr_SetString(exc, msg);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
451 return;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
452 }
4905
32220c5728f5 Check for duplicate keyword arguments at compile time.
Guido van Rossum <guido@python.org>
parents: 4596
diff changeset
453 c->c_errors++;
16831
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
454 if (c->c_lineno < 1 || c->c_interactive) {
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
455 /* Unknown line number or interactive input */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
456 PyErr_SetString(exc, msg);
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
457 return;
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
458 }
13993
716e1c4e3f78 When raising a SyntaxError, make a best-effort attempt to set the
Fred Drake <fdrake@acm.org>
parents: 13956
diff changeset
459 v = PyString_FromString(msg);
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
460 if (v == NULL)
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
461 return; /* MemoryError, too bad */
16831
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
462
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16831
diff changeset
463 line = PyErr_ProgramText(c->c_filename, c->c_lineno);
16831
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
464 if (line == NULL) {
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
465 Py_INCREF(Py_None);
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
466 line = Py_None;
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
467 }
22121
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
468 if (exc == PyExc_SyntaxError) {
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
469 t = Py_BuildValue("(ziOO)", c->c_filename, c->c_lineno,
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
470 Py_None, line);
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
471 if (t == NULL)
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
472 goto exit;
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
473 w = Py_BuildValue("(OO)", v, t);
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
474 if (w == NULL)
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
475 goto exit;
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
476 PyErr_SetObject(exc, w);
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
477 } else {
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
478 /* Make sure additional exceptions are printed with
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
479 file and line, also. */
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
480 PyErr_SetObject(exc, v);
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
481 PyErr_SyntaxLocation(c->c_filename, c->c_lineno);
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
482 }
16831
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
483 exit:
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
484 Py_XDECREF(t);
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
485 Py_XDECREF(v);
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
486 Py_XDECREF(w);
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
487 Py_XDECREF(line);
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
488 }
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
489
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
490 /* Interface to the block stack */
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
491
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
492 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
493 block_push(struct compiling *c, int type)
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
494 {
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
495 if (c->c_nblocks >= CO_MAXBLOCKS) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
496 com_error(c, PyExc_SystemError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
497 "too many statically nested blocks");
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
498 }
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
499 else {
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
500 c->c_block[c->c_nblocks++] = type;
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
501 }
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
502 }
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
503
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
504 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
505 block_pop(struct compiling *c, int type)
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
506 {
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
507 if (c->c_nblocks > 0)
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
508 c->c_nblocks--;
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
509 if (c->c_block[c->c_nblocks] != type && c->c_errors == 0) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
510 com_error(c, PyExc_SystemError, "bad block pop");
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
511 }
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
512 }
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
513
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
514 /* Prototype forward declarations */
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
515
13447
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
516 static int com_init(struct compiling *, char *);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
517 static void com_free(struct compiling *);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
518 static void com_push(struct compiling *, int);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
519 static void com_pop(struct compiling *, int);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
520 static void com_done(struct compiling *);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
521 static void com_node(struct compiling *, node *);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
522 static void com_factor(struct compiling *, node *);
13447
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
523 static void com_addbyte(struct compiling *, int);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
524 static void com_addint(struct compiling *, int);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
525 static void com_addoparg(struct compiling *, int, int);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
526 static void com_addfwref(struct compiling *, int, int *);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
527 static void com_backpatch(struct compiling *, int);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
528 static int com_add(struct compiling *, PyObject *, PyObject *, PyObject *);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
529 static int com_addconst(struct compiling *, PyObject *);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
530 static int com_addname(struct compiling *, PyObject *);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
531 static void com_addopname(struct compiling *, int, node *);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
532 static void com_list(struct compiling *, node *, int);
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
533 static void com_list_iter(struct compiling *, node *, node *, char *);
13447
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
534 static int com_argdefs(struct compiling *, node *);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
535 static void com_assign(struct compiling *, node *, int, node *);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
536 static void com_assign_name(struct compiling *, node *, int);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
537 static PyCodeObject *icompile(node *, struct compiling *);
16916
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
538 static PyCodeObject *jcompile(node *, char *, struct compiling *,
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
539 PyCompilerFlags *);
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
540 static PyObject *parsestrplus(struct compiling*, node *);
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
541 static PyObject *parsestr(struct compiling *, char *);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
542 static node *get_rawdocstring(node *);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
543
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
544 static int get_ref_type(struct compiling *, char *);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
545
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
546 /* symtable operations */
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
547 static int symtable_build(struct compiling *, node *);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
548 static int symtable_load_symbols(struct compiling *);
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
549 static struct symtable *symtable_init(void);
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
550 static void symtable_enter_scope(struct symtable *, char *, int, int);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
551 static int symtable_exit_scope(struct symtable *);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
552 static int symtable_add_def(struct symtable *, char *, int);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
553 static int symtable_add_def_o(struct symtable *, PyObject *, PyObject *, int);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
554
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
555 static void symtable_node(struct symtable *, node *);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
556 static void symtable_funcdef(struct symtable *, node *);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
557 static void symtable_default_args(struct symtable *, node *);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
558 static void symtable_params(struct symtable *, node *);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
559 static void symtable_params_fplist(struct symtable *, node *n);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
560 static void symtable_global(struct symtable *, node *);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
561 static void symtable_import(struct symtable *, node *);
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
562 static void symtable_assign(struct symtable *, node *, int);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
563 static void symtable_list_comprehension(struct symtable *, node *);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
564
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
565 static int symtable_update_free_vars(struct symtable *);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
566 static int symtable_undo_free(struct symtable *, PyObject *, PyObject *);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
567 static int symtable_check_global(struct symtable *, PyObject *, PyObject *);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
568
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
569 /* helper */
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
570 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
571 do_pad(int pad)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
572 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
573 int i;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
574 for (i = 0; i < pad; ++i)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
575 fprintf(stderr, " ");
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
576 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
577
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
578 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
579 dump(node *n, int pad, int depth)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
580 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
581 int i;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
582 if (depth == 0)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
583 return;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
584 do_pad(pad);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
585 fprintf(stderr, "%d: %s\n", TYPE(n), STR(n));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
586 if (depth > 0)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
587 depth--;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
588 for (i = 0; i < NCH(n); ++i)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
589 dump(CHILD(n, i), pad + 1, depth);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
590 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
591
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
592 #define DUMP(N) dump(N, 0, -1)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
593
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
594 static int
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
595 com_init(struct compiling *c, char *filename)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
596 {
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
597 memset((void *)c, '\0', sizeof(struct compiling));
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
598 if ((c->c_code = PyString_FromStringAndSize((char *)NULL,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
599 1000)) == NULL)
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
600 goto fail;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
601 if ((c->c_consts = PyList_New(0)) == NULL)
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
602 goto fail;
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
603 if ((c->c_const_dict = PyDict_New()) == NULL)
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
604 goto fail;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
605 if ((c->c_names = PyList_New(0)) == NULL)
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
606 goto fail;
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
607 if ((c->c_name_dict = PyDict_New()) == NULL)
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
608 goto fail;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
609 if ((c->c_locals = PyDict_New()) == NULL)
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
610 goto fail;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
611 if ((c->c_lnotab = PyString_FromStringAndSize((char *)NULL,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
612 1000)) == NULL)
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
613 goto fail;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
614 c->c_globals = NULL;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
615 c->c_varnames = NULL;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
616 c->c_freevars = NULL;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
617 c->c_cellvars = NULL;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
618 c->c_nlocals = 0;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
619 c->c_argcount = 0;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
620 c->c_flags = 0;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
621 c->c_nexti = 0;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
622 c->c_errors = 0;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
623 c->c_infunction = 0;
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
624 c->c_interactive = 0;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
625 c->c_loops = 0;
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
626 c->c_begin = 0;
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
627 c->c_nblocks = 0;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
628 c->c_filename = filename;
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1029
diff changeset
629 c->c_name = "?";
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
630 c->c_lineno = 0;
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
631 c->c_stacklevel = 0;
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
632 c->c_maxstacklevel = 0;
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
633 c->c_firstlineno = 0;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
634 c->c_last_addr = 0;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
635 c->c_last_line = 0;
16096
fb67122e5c1e com_init(): My entry into the smallest patch possible category.
Barry Warsaw <barry@python.org>
parents: 16060
diff changeset
636 c->c_lnotab_next = 0;
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
637 c->c_tmpname = 0;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
638 c->c_nested = 0;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
639 c->c_closure = 0;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
640 c->c_symtable = NULL;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
641 return 1;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
642
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
643 fail:
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
644 com_free(c);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
645 return 0;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
646 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
647
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
648 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
649 com_free(struct compiling *c)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
650 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
651 Py_XDECREF(c->c_code);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
652 Py_XDECREF(c->c_consts);
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
653 Py_XDECREF(c->c_const_dict);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
654 Py_XDECREF(c->c_names);
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
655 Py_XDECREF(c->c_name_dict);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
656 Py_XDECREF(c->c_globals);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
657 Py_XDECREF(c->c_locals);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
658 Py_XDECREF(c->c_varnames);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
659 Py_XDECREF(c->c_freevars);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
660 Py_XDECREF(c->c_cellvars);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
661 Py_XDECREF(c->c_lnotab);
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
662 if (c->c_future)
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
663 PyMem_Free((void *)c->c_future);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
664 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
665
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
666 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
667 com_push(struct compiling *c, int n)
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
668 {
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
669 c->c_stacklevel += n;
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
670 if (c->c_stacklevel > c->c_maxstacklevel) {
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
671 c->c_maxstacklevel = c->c_stacklevel;
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
672 /*
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
673 fprintf(stderr, "%s:%s:%d max stack nexti=%d level=%d n=%d\n",
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
674 c->c_filename, c->c_name, c->c_lineno,
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
675 c->c_nexti, c->c_stacklevel, n);
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
676 */
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
677 }
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
678 }
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
679
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
680 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
681 com_pop(struct compiling *c, int n)
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
682 {
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
683 if (c->c_stacklevel < n)
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
684 c->c_stacklevel = 0;
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
685 else
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
686 c->c_stacklevel -= n;
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
687 }
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
688
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
689 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
690 com_done(struct compiling *c)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
691 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
692 if (c->c_code != NULL)
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
693 _PyString_Resize(&c->c_code, c->c_nexti);
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
694 if (c->c_lnotab != NULL)
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
695 _PyString_Resize(&c->c_lnotab, c->c_lnotab_next);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
696 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
697
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
698 static int
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
699 com_check_size(PyObject **s, int offset)
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
700 {
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
701 int len = PyString_GET_SIZE(*s);
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
702 if (offset >= len)
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
703 return _PyString_Resize(s, len * 2);
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
704 return 0;
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
705 }
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
706
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
707 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
708 com_addbyte(struct compiling *c, int byte)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
709 {
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
710 /*fprintf(stderr, "%3d: %3d\n", c->c_nexti, byte);*/
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
711 assert(byte >= 0 && byte <= 255);
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
712 assert(c->c_code);
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
713 if (com_check_size(&c->c_code, c->c_nexti)) {
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
714 c->c_errors++;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
715 return;
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
716 }
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
717 PyString_AS_STRING(c->c_code)[c->c_nexti++] = byte;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
718 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
719
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
720 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
721 com_addint(struct compiling *c, int x)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
722 {
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
723 com_addbyte(c, x & 0xff);
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
724 com_addbyte(c, x >> 8); /* XXX x should be positive */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
725 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
726
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
727 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
728 com_add_lnotab(struct compiling *c, int addr, int line)
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
729 {
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
730 char *p;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
731 if (c->c_lnotab == NULL)
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
732 return;
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
733 if (com_check_size(&c->c_lnotab, c->c_lnotab_next + 2)) {
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
734 c->c_errors++;
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
735 return;
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
736 }
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
737 p = PyString_AS_STRING(c->c_lnotab) + c->c_lnotab_next;
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
738 *p++ = addr;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
739 *p++ = line;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
740 c->c_lnotab_next += 2;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
741 }
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
742
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
743 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
744 com_set_lineno(struct compiling *c, int lineno)
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
745 {
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
746 c->c_lineno = lineno;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
747 if (c->c_firstlineno == 0) {
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
748 c->c_firstlineno = c->c_last_line = lineno;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
749 }
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
750 else {
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
751 int incr_addr = c->c_nexti - c->c_last_addr;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
752 int incr_line = lineno - c->c_last_line;
18065
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
753 while (incr_addr > 255) {
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
754 com_add_lnotab(c, 255, 0);
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
755 incr_addr -= 255;
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
756 }
18065
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
757 while (incr_line > 255) {
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
758 com_add_lnotab(c, incr_addr, 255);
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
759 incr_line -=255;
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
760 incr_addr = 0;
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
761 }
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
762 if (incr_addr > 0 || incr_line > 0)
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
763 com_add_lnotab(c, incr_addr, incr_line);
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
764 c->c_last_addr = c->c_nexti;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
765 c->c_last_line = lineno;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
766 }
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
767 }
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
768
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
769 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
770 com_addoparg(struct compiling *c, int op, int arg)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
771 {
14147
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
772 int extended_arg = arg >> 16;
5164
8c277f29b535 Add global Py_OptimizeFlag. SET_LINENO is omitted again unless this is
Guido van Rossum <guido@python.org>
parents: 5119
diff changeset
773 if (op == SET_LINENO) {
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
774 com_set_lineno(c, arg);
5164
8c277f29b535 Add global Py_OptimizeFlag. SET_LINENO is omitted again unless this is
Guido van Rossum <guido@python.org>
parents: 5119
diff changeset
775 if (Py_OptimizeFlag)
8c277f29b535 Add global Py_OptimizeFlag. SET_LINENO is omitted again unless this is
Guido van Rossum <guido@python.org>
parents: 5119
diff changeset
776 return;
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
777 }
14147
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
778 if (extended_arg){
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
779 com_addbyte(c, EXTENDED_ARG);
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
780 com_addint(c, extended_arg);
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
781 arg &= 0xffff;
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
782 }
5164
8c277f29b535 Add global Py_OptimizeFlag. SET_LINENO is omitted again unless this is
Guido van Rossum <guido@python.org>
parents: 5119
diff changeset
783 com_addbyte(c, op);
8c277f29b535 Add global Py_OptimizeFlag. SET_LINENO is omitted again unless this is
Guido van Rossum <guido@python.org>
parents: 5119
diff changeset
784 com_addint(c, arg);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
785 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
786
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
787 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
788 com_addfwref(struct compiling *c, int op, int *p_anchor)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
789 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
790 /* Compile a forward reference for backpatching */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
791 int here;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
792 int anchor;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
793 com_addbyte(c, op);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
794 here = c->c_nexti;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
795 anchor = *p_anchor;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
796 *p_anchor = here;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
797 com_addint(c, anchor == 0 ? 0 : here - anchor);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
798 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
799
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
800 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
801 com_backpatch(struct compiling *c, int anchor)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
802 {
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
803 unsigned char *code = (unsigned char *) PyString_AS_STRING(c->c_code);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
804 int target = c->c_nexti;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
805 int dist;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
806 int prev;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
807 for (;;) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
808 /* Make the JUMP instruction at anchor point to target */
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
809 prev = code[anchor] + (code[anchor+1] << 8);
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
810 dist = target - (anchor+2);
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
811 code[anchor] = dist & 0xff;
14147
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
812 dist >>= 8;
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
813 code[anchor+1] = dist;
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
814 dist >>= 8;
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
815 if (dist) {
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
816 com_error(c, PyExc_SystemError,
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
817 "com_backpatch: offset too large");
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
818 break;
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
819 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
820 if (!prev)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
821 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
822 anchor -= prev;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
823 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
824 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
825
544
d0baa8300005 Minor changes.
Guido van Rossum <guido@python.org>
parents: 493
diff changeset
826 /* Handle literals and names uniformly */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
827
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
828 static int
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
829 com_add(struct compiling *c, PyObject *list, PyObject *dict, PyObject *v)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
830 {
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
831 PyObject *w, *t, *np=NULL;
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
832 long n;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
833
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
834 t = Py_BuildValue("(OO)", v, v->ob_type);
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
835 if (t == NULL)
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
836 goto fail;
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
837 w = PyDict_GetItem(dict, t);
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
838 if (w != NULL) {
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
839 n = PyInt_AsLong(w);
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
840 } else {
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
841 n = PyList_Size(list);
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
842 np = PyInt_FromLong(n);
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
843 if (np == NULL)
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
844 goto fail;
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
845 if (PyList_Append(list, v) != 0)
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
846 goto fail;
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
847 if (PyDict_SetItem(dict, t, np) != 0)
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
848 goto fail;
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
849 Py_DECREF(np);
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
850 }
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
851 Py_DECREF(t);
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
852 return n;
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
853 fail:
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
854 Py_XDECREF(np);
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
855 Py_XDECREF(t);
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
856 c->c_errors++;
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
857 return 0;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
858 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
859
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
860 static int
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
861 com_addconst(struct compiling *c, PyObject *v)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
862 {
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
863 return com_add(c, c->c_consts, c->c_const_dict, v);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
864 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
865
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
866 static int
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
867 com_addname(struct compiling *c, PyObject *v)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
868 {
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
869 return com_add(c, c->c_names, c->c_name_dict, v);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
870 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
871
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
872 static int
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
873 mangle(char *p, char *name, char *buffer, size_t maxlen)
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
874 {
4131
6b589334e0e9 Afterthough: leave both leading underscores in,
Guido van Rossum <guido@python.org>
parents: 4130
diff changeset
875 /* Name mangling: __private becomes _classname__private.
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
876 This is independent from how the name is used. */
13096
8c8de5b736dc Trent Mick's Win64 changes: size_t vs. int or long; also some overflow
Guido van Rossum <guido@python.org>
parents: 12576
diff changeset
877 size_t nlen, plen;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
878 if (p == NULL || name == NULL || name[0] != '_' || name[1] != '_')
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
879 return 0;
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
880 nlen = strlen(name);
4131
6b589334e0e9 Afterthough: leave both leading underscores in,
Guido van Rossum <guido@python.org>
parents: 4130
diff changeset
881 if (nlen+2 >= maxlen)
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
882 return 0; /* Don't mangle __extremely_long_names */
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
883 if (name[nlen-1] == '_' && name[nlen-2] == '_')
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
884 return 0; /* Don't mangle __whatever__ */
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
885 /* Strip leading underscores from class name */
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
886 while (*p == '_')
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
887 p++;
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
888 if (*p == '\0')
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
889 return 0; /* Don't mangle if class is just underscores */
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
890 plen = strlen(p);
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
891 if (plen + nlen >= maxlen)
4131
6b589334e0e9 Afterthough: leave both leading underscores in,
Guido van Rossum <guido@python.org>
parents: 4130
diff changeset
892 plen = maxlen-nlen-2; /* Truncate class name if too long */
6b589334e0e9 Afterthough: leave both leading underscores in,
Guido van Rossum <guido@python.org>
parents: 4130
diff changeset
893 /* buffer = "_" + p[:plen] + name # i.e. 1+plen+nlen bytes */
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
894 buffer[0] = '_';
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
895 strncpy(buffer+1, p, plen);
4131
6b589334e0e9 Afterthough: leave both leading underscores in,
Guido van Rossum <guido@python.org>
parents: 4130
diff changeset
896 strcpy(buffer+1+plen, name);
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
897 return 1;
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
898 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
899
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
900 static void
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
901 com_addop_name(struct compiling *c, int op, char *name)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
902 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
903 PyObject *v;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
904 int i;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
905 char buffer[MANGLE_LEN];
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
906
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
907 if (mangle(c->c_private, name, buffer, sizeof(buffer)))
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
908 name = buffer;
5009
402e36c83d20 Intern all names and varnames in newcodeobject(), plus those string
Guido van Rossum <guido@python.org>
parents: 4991
diff changeset
909 if (name == NULL || (v = PyString_InternFromString(name)) == NULL) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
910 c->c_errors++;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
911 i = 255;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
912 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
913 else {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
914 i = com_addname(c, v);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
915 Py_DECREF(v);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
916 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
917 com_addoparg(c, op, i);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
918 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
919
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
920 #define NAME_LOCAL 0
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
921 #define NAME_GLOBAL 1
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
922 #define NAME_DEFAULT 2
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
923 #define NAME_CLOSURE 3
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
924
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
925 static int
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
926 com_lookup_arg(PyObject *dict, PyObject *name)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
927 {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
928 PyObject *v = PyDict_GetItem(dict, name);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
929 if (v == NULL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
930 return -1;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
931 else
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
932 return PyInt_AS_LONG(v);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
933 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
934
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
935 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
936 com_addop_varname(struct compiling *c, int kind, char *name)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
937 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
938 PyObject *v;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
939 int i, reftype;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
940 int scope = NAME_DEFAULT;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
941 int op = STOP_CODE;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
942 char buffer[MANGLE_LEN];
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
943
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
944 if (mangle(c->c_private, name, buffer, sizeof(buffer)))
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
945 name = buffer;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
946 if (name == NULL || (v = PyString_InternFromString(name)) == NULL) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
947 c->c_errors++;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
948 i = 255;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
949 goto done;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
950 }
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
951
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
952 reftype = get_ref_type(c, name);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
953 switch (reftype) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
954 case LOCAL:
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
955 if (c->c_symtable->st_cur->ste_type == TYPE_FUNCTION)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
956 scope = NAME_LOCAL;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
957 break;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
958 case GLOBAL_EXPLICIT:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
959 scope = NAME_GLOBAL;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
960 break;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
961 case GLOBAL_IMPLICIT:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
962 if (c->c_flags & CO_OPTIMIZED)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
963 scope = NAME_GLOBAL;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
964 break;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
965 case FREE:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
966 case CELL:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
967 scope = NAME_CLOSURE;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
968 break;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
969 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
970
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
971 i = com_addname(c, v);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
972 if (scope == NAME_LOCAL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
973 i = com_lookup_arg(c->c_locals, v);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
974 else if (reftype == FREE)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
975 i = com_lookup_arg(c->c_freevars, v);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
976 else if (reftype == CELL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
977 i = com_lookup_arg(c->c_cellvars, v);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
978 if (i == -1) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
979 c->c_errors++; /* XXX no exception set */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
980 i = 255;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
981 goto done;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
982 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
983 Py_DECREF(v);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
984
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
985 switch (kind) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
986 case VAR_LOAD:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
987 switch (scope) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
988 case NAME_LOCAL:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
989 op = LOAD_FAST;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
990 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
991 case NAME_GLOBAL:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
992 op = LOAD_GLOBAL;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
993 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
994 case NAME_DEFAULT:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
995 op = LOAD_NAME;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
996 break;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
997 case NAME_CLOSURE:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
998 op = LOAD_DEREF;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
999 break;
466
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
1000 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1001 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1002 case VAR_STORE:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1003 switch (scope) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1004 case NAME_LOCAL:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1005 op = STORE_FAST;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1006 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1007 case NAME_GLOBAL:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1008 op = STORE_GLOBAL;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1009 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1010 case NAME_DEFAULT:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1011 op = STORE_NAME;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
1012 break;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
1013 case NAME_CLOSURE:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
1014 op = STORE_DEREF;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
1015 break;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1016 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1017 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1018 case VAR_DELETE:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1019 switch (scope) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1020 case NAME_LOCAL:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1021 op = DELETE_FAST;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1022 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1023 case NAME_GLOBAL:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1024 op = DELETE_GLOBAL;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1025 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1026 case NAME_DEFAULT:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1027 op = DELETE_NAME;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
1028 break;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
1029 case NAME_CLOSURE: {
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
1030 char buf[500];
21086
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
1031 PyOS_snprintf(buf, sizeof(buf),
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
1032 DEL_CLOSURE_ERROR, name);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
1033 com_error(c, PyExc_SyntaxError, buf);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
1034 i = 255;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
1035 break;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
1036 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1037 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1038 break;
466
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
1039 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1040 done:
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1041 com_addoparg(c, op, i);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1042 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1043
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1044 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1045 com_addopname(struct compiling *c, int op, node *n)
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1046 {
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1047 char *name;
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1048 char buffer[1000];
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1049 /* XXX it is possible to write this code without the 1000
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1050 chars on the total length of dotted names, I just can't be
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1051 bothered right now */
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1052 if (TYPE(n) == STAR)
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1053 name = "*";
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1054 else if (TYPE(n) == dotted_name) {
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1055 char *p = buffer;
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1056 int i;
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1057 name = buffer;
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1058 for (i = 0; i < NCH(n); i += 2) {
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1059 char *s = STR(CHILD(n, i));
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1060 if (p + strlen(s) > buffer + (sizeof buffer) - 2) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1061 com_error(c, PyExc_MemoryError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
1062 "dotted_name too long");
2367
915fabec64a3 fix typo (== for =) in assignment
Guido van Rossum <guido@python.org>
parents: 2310
diff changeset
1063 name = NULL;
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1064 break;
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1065 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1066 if (p != buffer)
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1067 *p++ = '.';
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1068 strcpy(p, s);
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1069 p = strchr(p, '\0');
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1070 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1071 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1072 else {
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1073 REQ(n, NAME);
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1074 name = STR(n);
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1075 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1076 com_addop_name(c, op, name);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1077 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1078
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1079 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1080 parsenumber(struct compiling *co, char *s)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1081 {
466
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
1082 char *end;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1083 long x;
5119
bda01a374762 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 5041
diff changeset
1084 double dx;
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1085 #ifndef WITHOUT_COMPLEX
3766
516490c8192c Py_complex; and WITHOUT_COMPLEX added to getargs.c
Guido van Rossum <guido@python.org>
parents: 3366
diff changeset
1086 Py_complex c;
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1087 int imflag;
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1088 #endif
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1089
176
229168a2fe28 Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents: 160
diff changeset
1090 errno = 0;
466
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
1091 end = s + strlen(s) - 1;
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1092 #ifndef WITHOUT_COMPLEX
3366
c25865884649 only use 'j' for imaginary constants
Guido van Rossum <guido@python.org>
parents: 3349
diff changeset
1093 imflag = *end == 'j' || *end == 'J';
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1094 #endif
744
834dd4a77ee2 fix what lint found
Guido van Rossum <guido@python.org>
parents: 703
diff changeset
1095 if (*end == 'l' || *end == 'L')
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1096 return PyLong_FromString(s, (char **)0, 0);
617
755bb8efcc2d Use strtoul() for oct/hex constants.
Guido van Rossum <guido@python.org>
parents: 584
diff changeset
1097 if (s[0] == '0')
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1098 x = (long) PyOS_strtoul(s, &end, 0);
617
755bb8efcc2d Use strtoul() for oct/hex constants.
Guido van Rossum <guido@python.org>
parents: 584
diff changeset
1099 else
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1100 x = PyOS_strtol(s, &end, 0);
176
229168a2fe28 Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents: 160
diff changeset
1101 if (*end == '\0') {
19502
62bf9401a1ac If an integer constant can't be generated from an integer literal
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19343
diff changeset
1102 if (errno != 0)
62bf9401a1ac If an integer constant can't be generated from an integer literal
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19343
diff changeset
1103 return PyLong_FromString(s, (char **)0, 0);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1104 return PyInt_FromLong(x);
176
229168a2fe28 Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents: 160
diff changeset
1105 }
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1106 /* XXX Huge floats may silently fail */
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1107 #ifndef WITHOUT_COMPLEX
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1108 if (imflag) {
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1109 c.real = 0.;
5119
bda01a374762 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 5041
diff changeset
1110 PyFPE_START_PROTECT("atof", return 0)
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1111 c.imag = atof(s);
5197
74c12704a0bd New form of PyFPE_END_PROTECT macro.
Guido van Rossum <guido@python.org>
parents: 5183
diff changeset
1112 PyFPE_END_PROTECT(c)
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1113 return PyComplex_FromCComplex(c);
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1114 }
6453
c9b139b9c5ff Fixed for WITHOUT_COMPLEX compilation (Jack)
Guido van Rossum <guido@python.org>
parents: 6186
diff changeset
1115 else
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1116 #endif
6453
c9b139b9c5ff Fixed for WITHOUT_COMPLEX compilation (Jack)
Guido van Rossum <guido@python.org>
parents: 6186
diff changeset
1117 {
5119
bda01a374762 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 5041
diff changeset
1118 PyFPE_START_PROTECT("atof", return 0)
bda01a374762 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 5041
diff changeset
1119 dx = atof(s);
5197
74c12704a0bd New form of PyFPE_END_PROTECT macro.
Guido van Rossum <guido@python.org>
parents: 5183
diff changeset
1120 PyFPE_END_PROTECT(dx)
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1121 return PyFloat_FromDouble(dx);
5119
bda01a374762 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 5041
diff changeset
1122 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1123 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1124
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1125 static PyObject *
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1126 parsestr(struct compiling *com, char *s)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1127 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1128 PyObject *v;
13096
8c8de5b736dc Trent Mick's Win64 changes: size_t vs. int or long; also some overflow
Guido van Rossum <guido@python.org>
parents: 12576
diff changeset
1129 size_t len;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1130 char *buf;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1131 char *p;
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1132 char *end;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1133 int c;
5264
38878f1cd4f1 Support for alternative string quotes (a"xx", b"xx", c"xx", ...).
Guido van Rossum <guido@python.org>
parents: 5233
diff changeset
1134 int first = *s;
38878f1cd4f1 Support for alternative string quotes (a"xx", b"xx", c"xx", ...).
Guido van Rossum <guido@python.org>
parents: 5233
diff changeset
1135 int quote = first;
11974
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1136 int rawmode = 0;
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1137 #ifdef Py_USING_UNICODE
11974
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1138 int unicode = 0;
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1139 #endif
11974
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1140 if (isalpha(quote) || quote == '_') {
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1141 if (quote == 'u' || quote == 'U') {
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1142 #ifdef Py_USING_UNICODE
11974
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1143 quote = *++s;
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1144 unicode = 1;
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1145 #else
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1146 com_error(com, PyExc_SyntaxError,
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1147 "Unicode literals not supported in this Python");
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1148 return NULL;
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1149 #endif
11974
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1150 }
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1151 if (quote == 'r' || quote == 'R') {
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1152 quote = *++s;
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1153 rawmode = 1;
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1154 }
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1155 }
1364
132602d854d8 Changes to accept double-quoted strings on input.
Guido van Rossum <guido@python.org>
parents: 1354
diff changeset
1156 if (quote != '\'' && quote != '\"') {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1157 PyErr_BadInternalCall();
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1158 return NULL;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1159 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1160 s++;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1161 len = strlen(s);
13096
8c8de5b736dc Trent Mick's Win64 changes: size_t vs. int or long; also some overflow
Guido van Rossum <guido@python.org>
parents: 12576
diff changeset
1162 if (len > INT_MAX) {
22121
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
1163 com_error(com, PyExc_OverflowError,
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
1164 "string to parse is too long");
13096
8c8de5b736dc Trent Mick's Win64 changes: size_t vs. int or long; also some overflow
Guido van Rossum <guido@python.org>
parents: 12576
diff changeset
1165 return NULL;
8c8de5b736dc Trent Mick's Win64 changes: size_t vs. int or long; also some overflow
Guido van Rossum <guido@python.org>
parents: 12576
diff changeset
1166 }
1364
132602d854d8 Changes to accept double-quoted strings on input.
Guido van Rossum <guido@python.org>
parents: 1354
diff changeset
1167 if (s[--len] != quote) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1168 PyErr_BadInternalCall();
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1169 return NULL;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1170 }
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1171 if (len >= 4 && s[0] == quote && s[1] == quote) {
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1172 s += 2;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1173 len -= 2;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1174 if (s[--len] != quote || s[--len] != quote) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1175 PyErr_BadInternalCall();
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1176 return NULL;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1177 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1178 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1179 #ifdef Py_USING_UNICODE
12538
859e500f0760 Marc-Andre Lemburg:
Guido van Rossum <guido@python.org>
parents: 12522
diff changeset
1180 if (unicode || Py_UnicodeFlag) {
11974
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1181 if (rawmode)
22121
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
1182 v = PyUnicode_DecodeRawUnicodeEscape(
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
1183 s, len, NULL);
11974
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1184 else
22121
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
1185 v = PyUnicode_DecodeUnicodeEscape(
11974
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1186 s, len, NULL);
22121
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
1187 if (v == NULL)
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
1188 PyErr_SyntaxLocation(com->c_filename, com->c_lineno);
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
1189 return v;
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
1190
11974
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1191 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1192 #endif
14382
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1193 if (rawmode || strchr(s, '\\') == NULL)
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1194 return PyString_FromStringAndSize(s, len);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1195 v = PyString_FromStringAndSize((char *)NULL, len);
14382
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1196 if (v == NULL)
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1197 return NULL;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1198 p = buf = PyString_AsString(v);
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1199 end = s + len;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1200 while (s < end) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1201 if (*s != '\\') {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1202 *p++ = *s++;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1203 continue;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1204 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1205 s++;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1206 switch (*s++) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1207 /* XXX This assumes ASCII! */
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1208 case '\n': break;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1209 case '\\': *p++ = '\\'; break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1210 case '\'': *p++ = '\''; break;
1364
132602d854d8 Changes to accept double-quoted strings on input.
Guido van Rossum <guido@python.org>
parents: 1354
diff changeset
1211 case '\"': *p++ = '\"'; break;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1212 case 'b': *p++ = '\b'; break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1213 case 'f': *p++ = '\014'; break; /* FF */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1214 case 't': *p++ = '\t'; break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1215 case 'n': *p++ = '\n'; break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1216 case 'r': *p++ = '\r'; break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1217 case 'v': *p++ = '\013'; break; /* VT */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1218 case 'a': *p++ = '\007'; break; /* BEL, not classic C */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1219 case '0': case '1': case '2': case '3':
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1220 case '4': case '5': case '6': case '7':
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1221 c = s[-1] - '0';
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1222 if ('0' <= *s && *s <= '7') {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1223 c = (c<<3) + *s++ - '0';
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1224 if ('0' <= *s && *s <= '7')
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1225 c = (c<<3) + *s++ - '0';
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1226 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1227 *p++ = c;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1228 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1229 case 'x':
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
1230 if (isxdigit(Py_CHARMASK(s[0]))
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
1231 && isxdigit(Py_CHARMASK(s[1]))) {
6501
9ef9cadd978c Don't use sscanf(s, "%x", &c) to parse \xX... escapes; hardcode it.
Guido van Rossum <guido@python.org>
parents: 6453
diff changeset
1232 unsigned int x = 0;
14382
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1233 c = Py_CHARMASK(*s);
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1234 s++;
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1235 if (isdigit(c))
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1236 x = c - '0';
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1237 else if (islower(c))
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1238 x = 10 + c - 'a';
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1239 else
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1240 x = 10 + c - 'A';
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1241 x = x << 4;
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1242 c = Py_CHARMASK(*s);
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1243 s++;
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1244 if (isdigit(c))
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1245 x += c - '0';
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1246 else if (islower(c))
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1247 x += 10 + c - 'a';
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1248 else
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1249 x += 10 + c - 'A';
6501
9ef9cadd978c Don't use sscanf(s, "%x", &c) to parse \xX... escapes; hardcode it.
Guido van Rossum <guido@python.org>
parents: 6453
diff changeset
1250 *p++ = x;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1251 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1252 }
14382
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1253 Py_DECREF(v);
22121
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
1254 com_error(com, PyExc_ValueError,
d4406fbfcb4e Patch #50002: Display line information for bad \x escapes:
Martin v. Löwis <martin@v.loewis.de>
parents: 21879
diff changeset
1255 "invalid \\x escape");
14382
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1256 return NULL;
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1257 default:
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1258 *p++ = '\\';
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1259 *p++ = s[-1];
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1260 break;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1261 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1262 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1263 _PyString_Resize(&v, (int)(p - buf));
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1264 return v;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1265 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1266
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1267 static PyObject *
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1268 parsestrplus(struct compiling* c, node *n)
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1269 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1270 PyObject *v;
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1271 int i;
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1272 REQ(CHILD(n, 0), STRING);
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1273 if ((v = parsestr(c, STR(CHILD(n, 0)))) != NULL) {
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1274 /* String literal concatenation */
12388
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1275 for (i = 1; i < NCH(n); i++) {
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1276 PyObject *s;
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1277 s = parsestr(c, STR(CHILD(n, i)));
12388
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1278 if (s == NULL)
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1279 goto onError;
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1280 if (PyString_Check(v) && PyString_Check(s)) {
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1281 PyString_ConcatAndDel(&v, s);
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1282 if (v == NULL)
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1283 goto onError;
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1284 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1285 #ifdef Py_USING_UNICODE
12388
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1286 else {
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1287 PyObject *temp;
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1288 temp = PyUnicode_Concat(v, s);
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1289 Py_DECREF(s);
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1290 if (temp == NULL)
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1291 goto onError;
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1292 Py_DECREF(v);
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1293 v = temp;
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1294 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1295 #endif
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1296 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1297 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1298 return v;
12388
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1299
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1300 onError:
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1301 Py_XDECREF(v);
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1302 return NULL;
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1303 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1304
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1305 static void
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1306 com_list_for(struct compiling *c, node *n, node *e, char *t)
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1307 {
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1308 int anchor = 0;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1309 int save_begin = c->c_begin;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1310
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1311 /* list_iter: for v in expr [list_iter] */
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1312 com_node(c, CHILD(n, 3)); /* expr */
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17518
diff changeset
1313 com_addbyte(c, GET_ITER);
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1314 c->c_begin = c->c_nexti;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1315 com_addoparg(c, SET_LINENO, n->n_lineno);
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17518
diff changeset
1316 com_addfwref(c, FOR_ITER, &anchor);
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1317 com_push(c, 1);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1318 com_assign(c, CHILD(n, 1), OP_ASSIGN, NULL);
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1319 c->c_loops++;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1320 com_list_iter(c, n, e, t);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1321 c->c_loops--;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1322 com_addoparg(c, JUMP_ABSOLUTE, c->c_begin);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1323 c->c_begin = save_begin;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1324 com_backpatch(c, anchor);
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17518
diff changeset
1325 com_pop(c, 1); /* FOR_ITER has popped this */
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1326 }
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1327
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1328 static void
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1329 com_list_if(struct compiling *c, node *n, node *e, char *t)
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1330 {
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1331 int anchor = 0;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1332 int a = 0;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1333 /* list_iter: 'if' test [list_iter] */
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1334 com_addoparg(c, SET_LINENO, n->n_lineno);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1335 com_node(c, CHILD(n, 1));
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1336 com_addfwref(c, JUMP_IF_FALSE, &a);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1337 com_addbyte(c, POP_TOP);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1338 com_pop(c, 1);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1339 com_list_iter(c, n, e, t);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1340 com_addfwref(c, JUMP_FORWARD, &anchor);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1341 com_backpatch(c, a);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1342 /* We jump here with an extra entry which we now pop */
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1343 com_addbyte(c, POP_TOP);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1344 com_backpatch(c, anchor);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1345 }
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1346
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1347 static void
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1348 com_list_iter(struct compiling *c,
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1349 node *p, /* parent of list_iter node */
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1350 node *e, /* element expression node */
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1351 char *t /* name of result list temp local */)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1352 {
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1353 /* list_iter is the last child in a listmaker, list_for, or list_if */
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1354 node *n = CHILD(p, NCH(p)-1);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1355 if (TYPE(n) == list_iter) {
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1356 n = CHILD(n, 0);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1357 switch (TYPE(n)) {
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1358 case list_for:
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1359 com_list_for(c, n, e, t);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1360 break;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1361 case list_if:
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1362 com_list_if(c, n, e, t);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1363 break;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1364 default:
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1365 com_error(c, PyExc_SystemError,
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1366 "invalid list_iter node type");
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1367 }
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1368 }
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1369 else {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1370 com_addop_varname(c, VAR_LOAD, t);
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1371 com_push(c, 1);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1372 com_node(c, e);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1373 com_addoparg(c, CALL_FUNCTION, 1);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1374 com_addbyte(c, POP_TOP);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1375 com_pop(c, 2);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1376 }
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1377 }
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1378
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1379 static void
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1380 com_list_comprehension(struct compiling *c, node *n)
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1381 {
14117
ac8809959d01 require list comprehensions to start with a for clause
Skip Montanaro <skip@pobox.com>
parents: 14105
diff changeset
1382 /* listmaker: test list_for */
21086
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
1383 char tmpname[30];
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
1384 PyOS_snprintf(tmpname, sizeof(tmpname), "_[%d]", ++c->c_tmpname);
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1385 com_addoparg(c, BUILD_LIST, 0);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1386 com_addbyte(c, DUP_TOP); /* leave the result on the stack */
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1387 com_push(c, 2);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1388 com_addop_name(c, LOAD_ATTR, "append");
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1389 com_addop_varname(c, VAR_STORE, tmpname);
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1390 com_pop(c, 1);
14117
ac8809959d01 require list comprehensions to start with a for clause
Skip Montanaro <skip@pobox.com>
parents: 14105
diff changeset
1391 com_list_for(c, CHILD(n, 1), CHILD(n, 0), tmpname);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1392 com_addop_varname(c, VAR_DELETE, tmpname);
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1393 --c->c_tmpname;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1394 }
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1395
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1396 static void
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1397 com_listmaker(struct compiling *c, node *n)
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1398 {
14117
ac8809959d01 require list comprehensions to start with a for clause
Skip Montanaro <skip@pobox.com>
parents: 14105
diff changeset
1399 /* listmaker: test ( list_for | (',' test)* [','] ) */
ac8809959d01 require list comprehensions to start with a for clause
Skip Montanaro <skip@pobox.com>
parents: 14105
diff changeset
1400 if (NCH(n) > 1 && TYPE(CHILD(n, 1)) == list_for)
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1401 com_list_comprehension(c, n);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1402 else {
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1403 int len = 0;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1404 int i;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1405 for (i = 0; i < NCH(n); i += 2, len++)
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1406 com_node(c, CHILD(n, i));
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1407 com_addoparg(c, BUILD_LIST, len);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1408 com_pop(c, len-1);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1409 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1410 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1411
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1412 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1413 com_dictmaker(struct compiling *c, node *n)
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1414 {
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1415 int i;
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1416 /* dictmaker: test ':' test (',' test ':' value)* [','] */
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1417 for (i = 0; i+2 < NCH(n); i += 4) {
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1418 /* We must arrange things just right for STORE_SUBSCR.
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1419 It wants the stack to look like (value) (dict) (key) */
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1420 com_addbyte(c, DUP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1421 com_push(c, 1);
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1422 com_node(c, CHILD(n, i+2)); /* value */
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1423 com_addbyte(c, ROT_TWO);
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1424 com_node(c, CHILD(n, i)); /* key */
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1425 com_addbyte(c, STORE_SUBSCR);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1426 com_pop(c, 3);
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1427 }
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1428 }
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1429
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1430 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1431 com_atom(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1432 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1433 node *ch;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1434 PyObject *v;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1435 int i;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1436 REQ(n, atom);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1437 ch = CHILD(n, 0);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1438 switch (TYPE(ch)) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1439 case LPAR:
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1440 if (TYPE(CHILD(n, 1)) == RPAR) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1441 com_addoparg(c, BUILD_TUPLE, 0);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1442 com_push(c, 1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1443 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1444 else
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1445 com_node(c, CHILD(n, 1));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1446 break;
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1447 case LSQB: /* '[' [listmaker] ']' */
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1448 if (TYPE(CHILD(n, 1)) == RSQB) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1449 com_addoparg(c, BUILD_LIST, 0);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1450 com_push(c, 1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1451 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1452 else
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1453 com_listmaker(c, CHILD(n, 1));
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1454 break;
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1455 case LBRACE: /* '{' [dictmaker] '}' */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1456 com_addoparg(c, BUILD_MAP, 0);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1457 com_push(c, 1);
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1458 if (TYPE(CHILD(n, 1)) == dictmaker)
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1459 com_dictmaker(c, CHILD(n, 1));
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1460 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1461 case BACKQUOTE:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1462 com_node(c, CHILD(n, 1));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1463 com_addbyte(c, UNARY_CONVERT);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1464 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1465 case NUMBER:
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
1466 if ((v = parsenumber(c, STR(ch))) == NULL) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1467 i = 255;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1468 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1469 else {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1470 i = com_addconst(c, v);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1471 Py_DECREF(v);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1472 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1473 com_addoparg(c, LOAD_CONST, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1474 com_push(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1475 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1476 case STRING:
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1477 v = parsestrplus(c, n);
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1478 if (v == NULL) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1479 c->c_errors++;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1480 i = 255;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1481 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1482 else {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1483 i = com_addconst(c, v);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1484 Py_DECREF(v);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1485 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1486 com_addoparg(c, LOAD_CONST, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1487 com_push(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1488 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1489 case NAME:
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1490 com_addop_varname(c, VAR_LOAD, STR(ch));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1491 com_push(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1492 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1493 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1494 com_error(c, PyExc_SystemError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1495 "com_atom: unexpected node type");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1496 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1497 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1498
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1499 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1500 com_slice(struct compiling *c, node *n, int op)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1501 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1502 if (NCH(n) == 1) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1503 com_addbyte(c, op);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1504 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1505 else if (NCH(n) == 2) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1506 if (TYPE(CHILD(n, 0)) != COLON) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1507 com_node(c, CHILD(n, 0));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1508 com_addbyte(c, op+1);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1509 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1510 else {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1511 com_node(c, CHILD(n, 1));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1512 com_addbyte(c, op+2);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1513 }
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1514 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1515 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1516 else {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1517 com_node(c, CHILD(n, 0));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1518 com_node(c, CHILD(n, 2));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1519 com_addbyte(c, op+3);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1520 com_pop(c, 2);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1521 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1522 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1523
4905
32220c5728f5 Check for duplicate keyword arguments at compile time.
Guido van Rossum <guido@python.org>
parents: 4596
diff changeset
1524 static void
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1525 com_augassign_slice(struct compiling *c, node *n, int opcode, node *augn)
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1526 {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1527 if (NCH(n) == 1) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1528 com_addbyte(c, DUP_TOP);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1529 com_push(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1530 com_addbyte(c, SLICE);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1531 com_node(c, augn);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1532 com_addbyte(c, opcode);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1533 com_pop(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1534 com_addbyte(c, ROT_TWO);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1535 com_addbyte(c, STORE_SLICE);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1536 com_pop(c, 2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1537 } else if (NCH(n) == 2 && TYPE(CHILD(n, 0)) != COLON) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1538 com_node(c, CHILD(n, 0));
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1539 com_addoparg(c, DUP_TOPX, 2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1540 com_push(c, 2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1541 com_addbyte(c, SLICE+1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1542 com_pop(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1543 com_node(c, augn);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1544 com_addbyte(c, opcode);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1545 com_pop(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1546 com_addbyte(c, ROT_THREE);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1547 com_addbyte(c, STORE_SLICE+1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1548 com_pop(c, 3);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1549 } else if (NCH(n) == 2) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1550 com_node(c, CHILD(n, 1));
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1551 com_addoparg(c, DUP_TOPX, 2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1552 com_push(c, 2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1553 com_addbyte(c, SLICE+2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1554 com_pop(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1555 com_node(c, augn);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1556 com_addbyte(c, opcode);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1557 com_pop(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1558 com_addbyte(c, ROT_THREE);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1559 com_addbyte(c, STORE_SLICE+2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1560 com_pop(c, 3);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1561 } else {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1562 com_node(c, CHILD(n, 0));
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1563 com_node(c, CHILD(n, 2));
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1564 com_addoparg(c, DUP_TOPX, 3);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1565 com_push(c, 3);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1566 com_addbyte(c, SLICE+3);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1567 com_pop(c, 2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1568 com_node(c, augn);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1569 com_addbyte(c, opcode);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1570 com_pop(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1571 com_addbyte(c, ROT_FOUR);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1572 com_addbyte(c, STORE_SLICE+3);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1573 com_pop(c, 4);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1574 }
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1575 }
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1576
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1577 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1578 com_argument(struct compiling *c, node *n, PyObject **pkeywords)
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1579 {
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1580 node *m;
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1581 REQ(n, argument); /* [test '='] test; really [keyword '='] test */
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1582 if (NCH(n) == 1) {
4905
32220c5728f5 Check for duplicate keyword arguments at compile time.
Guido van Rossum <guido@python.org>
parents: 4596
diff changeset
1583 if (*pkeywords != NULL) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1584 com_error(c, PyExc_SyntaxError,
13993
716e1c4e3f78 When raising a SyntaxError, make a best-effort attempt to set the
Fred Drake <fdrake@acm.org>
parents: 13956
diff changeset
1585 "non-keyword arg after keyword arg");
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1586 }
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1587 else {
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1588 com_node(c, CHILD(n, 0));
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1589 }
4905
32220c5728f5 Check for duplicate keyword arguments at compile time.
Guido van Rossum <guido@python.org>
parents: 4596
diff changeset
1590 return;
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1591 }
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1592 m = n;
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1593 do {
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1594 m = CHILD(m, 0);
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1595 } while (NCH(m) == 1);
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1596 if (TYPE(m) != NAME) {
16658
1a5a441772ff Bug #132313 error message confusing for assignment in lambda.
Tim Peters <tim.peters@gmail.com>
parents: 16638
diff changeset
1597 /* f(lambda x: x[0] = 3) ends up getting parsed with
1a5a441772ff Bug #132313 error message confusing for assignment in lambda.
Tim Peters <tim.peters@gmail.com>
parents: 16638
diff changeset
1598 * LHS test = lambda x: x[0], and RHS test = 3.
1a5a441772ff Bug #132313 error message confusing for assignment in lambda.
Tim Peters <tim.peters@gmail.com>
parents: 16638
diff changeset
1599 * SF bug 132313 points out that complaining about a keyword
1a5a441772ff Bug #132313 error message confusing for assignment in lambda.
Tim Peters <tim.peters@gmail.com>
parents: 16638
diff changeset
1600 * then is very confusing.
1a5a441772ff Bug #132313 error message confusing for assignment in lambda.
Tim Peters <tim.peters@gmail.com>
parents: 16638
diff changeset
1601 */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1602 com_error(c, PyExc_SyntaxError,
16658
1a5a441772ff Bug #132313 error message confusing for assignment in lambda.
Tim Peters <tim.peters@gmail.com>
parents: 16638
diff changeset
1603 TYPE(m) == lambdef ?
1a5a441772ff Bug #132313 error message confusing for assignment in lambda.
Tim Peters <tim.peters@gmail.com>
parents: 16638
diff changeset
1604 "lambda cannot contain assignment" :
1a5a441772ff Bug #132313 error message confusing for assignment in lambda.
Tim Peters <tim.peters@gmail.com>
parents: 16638
diff changeset
1605 "keyword can't be an expression");
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1606 }
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1607 else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1608 PyObject *v = PyString_InternFromString(STR(m));
4905
32220c5728f5 Check for duplicate keyword arguments at compile time.
Guido van Rossum <guido@python.org>
parents: 4596
diff changeset
1609 if (v != NULL && *pkeywords == NULL)
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1610 *pkeywords = PyDict_New();
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
1611 if (v == NULL)
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1612 c->c_errors++;
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
1613 else if (*pkeywords == NULL) {
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
1614 c->c_errors++;
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
1615 Py_DECREF(v);
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
1616 } else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1617 if (PyDict_GetItem(*pkeywords, v) != NULL)
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1618 com_error(c, PyExc_SyntaxError,
4905
32220c5728f5 Check for duplicate keyword arguments at compile time.
Guido van Rossum <guido@python.org>
parents: 4596
diff changeset
1619 "duplicate keyword argument");
32220c5728f5 Check for duplicate keyword arguments at compile time.
Guido van Rossum <guido@python.org>
parents: 4596
diff changeset
1620 else
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1621 if (PyDict_SetItem(*pkeywords, v, v) != 0)
4905
32220c5728f5 Check for duplicate keyword arguments at compile time.
Guido van Rossum <guido@python.org>
parents: 4596
diff changeset
1622 c->c_errors++;
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1623 com_addoparg(c, LOAD_CONST, com_addconst(c, v));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1624 com_push(c, 1);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1625 Py_DECREF(v);
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1626 }
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1627 }
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1628 com_node(c, CHILD(n, 2));
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1629 }
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1630
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1631 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1632 com_call_function(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1633 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1634 if (TYPE(n) == RPAR) {
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1635 com_addoparg(c, CALL_FUNCTION, 0);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1636 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1637 else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1638 PyObject *keywords = NULL;
4905
32220c5728f5 Check for duplicate keyword arguments at compile time.
Guido van Rossum <guido@python.org>
parents: 4596
diff changeset
1639 int i, na, nk;
9625
1fe48009d8ea Add more SET_LINENO instructions in long argument lists
Guido van Rossum <guido@python.org>
parents: 9293
diff changeset
1640 int lineno = n->n_lineno;
12082
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1641 int star_flag = 0;
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1642 int starstar_flag = 0;
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1643 int opcode;
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1644 REQ(n, arglist);
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1645 na = 0;
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1646 nk = 0;
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1647 for (i = 0; i < NCH(n); i += 2) {
9625
1fe48009d8ea Add more SET_LINENO instructions in long argument lists
Guido van Rossum <guido@python.org>
parents: 9293
diff changeset
1648 node *ch = CHILD(n, i);
12082
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1649 if (TYPE(ch) == STAR ||
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1650 TYPE(ch) == DOUBLESTAR)
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1651 break;
9625
1fe48009d8ea Add more SET_LINENO instructions in long argument lists
Guido van Rossum <guido@python.org>
parents: 9293
diff changeset
1652 if (ch->n_lineno != lineno) {
1fe48009d8ea Add more SET_LINENO instructions in long argument lists
Guido van Rossum <guido@python.org>
parents: 9293
diff changeset
1653 lineno = ch->n_lineno;
1fe48009d8ea Add more SET_LINENO instructions in long argument lists
Guido van Rossum <guido@python.org>
parents: 9293
diff changeset
1654 com_addoparg(c, SET_LINENO, lineno);
1fe48009d8ea Add more SET_LINENO instructions in long argument lists
Guido van Rossum <guido@python.org>
parents: 9293
diff changeset
1655 }
1fe48009d8ea Add more SET_LINENO instructions in long argument lists
Guido van Rossum <guido@python.org>
parents: 9293
diff changeset
1656 com_argument(c, ch, &keywords);
4905
32220c5728f5 Check for duplicate keyword arguments at compile time.
Guido van Rossum <guido@python.org>
parents: 4596
diff changeset
1657 if (keywords == NULL)
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1658 na++;
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1659 else
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1660 nk++;
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1661 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1662 Py_XDECREF(keywords);
12082
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1663 while (i < NCH(n)) {
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1664 node *tok = CHILD(n, i);
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1665 node *ch = CHILD(n, i+1);
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1666 i += 3;
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1667 switch (TYPE(tok)) {
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1668 case STAR: star_flag = 1; break;
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1669 case DOUBLESTAR: starstar_flag = 1; break;
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1670 }
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1671 com_node(c, ch);
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1672 }
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1673 if (na > 255 || nk > 255) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1674 com_error(c, PyExc_SyntaxError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1675 "more than 255 arguments");
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1676 }
12082
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1677 if (star_flag || starstar_flag)
12086
96ea1a800b23 remove reference (vestigal) to CALL_FUNCTION_STAR
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12082
diff changeset
1678 opcode = CALL_FUNCTION_VAR - 1 +
12082
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1679 star_flag + (starstar_flag << 1);
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1680 else
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1681 opcode = CALL_FUNCTION;
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1682 com_addoparg(c, opcode, na | (nk << 8));
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1683 com_pop(c, na + 2*nk + star_flag + starstar_flag);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1684 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1685 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1686
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1687 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1688 com_select_member(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1689 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1690 com_addopname(c, LOAD_ATTR, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1691 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1692
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1693 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1694 com_sliceobj(struct compiling *c, node *n)
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1695 {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1696 int i=0;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1697 int ns=2; /* number of slice arguments */
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1698 node *ch;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1699
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1700 /* first argument */
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1701 if (TYPE(CHILD(n,i)) == COLON) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1702 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_None));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1703 com_push(c, 1);
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1704 i++;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1705 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1706 else {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1707 com_node(c, CHILD(n,i));
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1708 i++;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1709 REQ(CHILD(n,i),COLON);
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1710 i++;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1711 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1712 /* second argument */
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1713 if (i < NCH(n) && TYPE(CHILD(n,i)) == test) {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1714 com_node(c, CHILD(n,i));
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1715 i++;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1716 }
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1717 else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1718 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_None));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1719 com_push(c, 1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1720 }
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1721 /* remaining arguments */
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1722 for (; i < NCH(n); i++) {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1723 ns++;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1724 ch=CHILD(n,i);
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1725 REQ(ch, sliceop);
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1726 if (NCH(ch) == 1) {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1727 /* right argument of ':' missing */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1728 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_None));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1729 com_push(c, 1);
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1730 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1731 else
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1732 com_node(c, CHILD(ch,1));
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1733 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1734 com_addoparg(c, BUILD_SLICE, ns);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1735 com_pop(c, 1 + (ns == 3));
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1736 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1737
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1738 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1739 com_subscript(struct compiling *c, node *n)
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1740 {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1741 node *ch;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1742 REQ(n, subscript);
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1743 ch = CHILD(n,0);
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1744 /* check for rubber index */
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1745 if (TYPE(ch) == DOT && TYPE(CHILD(n,1)) == DOT) {
4403
3b3f7c3f6da2 Ellipses -> Ellipsis rename (the dictionary really says that it should
Guido van Rossum <guido@python.org>
parents: 4315
diff changeset
1746 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_Ellipsis));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1747 com_push(c, 1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1748 }
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1749 else {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1750 /* check for slice */
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1751 if ((TYPE(ch) == COLON || NCH(n) > 1))
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1752 com_sliceobj(c, n);
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1753 else {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1754 REQ(ch, test);
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1755 com_node(c, ch);
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1756 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1757 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1758 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1759
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1760 static void
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1761 com_subscriptlist(struct compiling *c, node *n, int assigning, node *augn)
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1762 {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1763 int i, op;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1764 REQ(n, subscriptlist);
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1765 /* Check to make backward compatible slice behavior for '[i:j]' */
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1766 if (NCH(n) == 1) {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1767 node *sub = CHILD(n, 0); /* subscript */
13873
d014c8ab6a82 Fix some strange indentation and grammar that have been bugging me for
Thomas Wouters <thomas@python.org>
parents: 13658
diff changeset
1768 /* 'Basic' slice, should have exactly one colon. */
d014c8ab6a82 Fix some strange indentation and grammar that have been bugging me for
Thomas Wouters <thomas@python.org>
parents: 13658
diff changeset
1769 if ((TYPE(CHILD(sub, 0)) == COLON
d014c8ab6a82 Fix some strange indentation and grammar that have been bugging me for
Thomas Wouters <thomas@python.org>
parents: 13658
diff changeset
1770 || (NCH(sub) > 1 && TYPE(CHILD(sub, 1)) == COLON))
d014c8ab6a82 Fix some strange indentation and grammar that have been bugging me for
Thomas Wouters <thomas@python.org>
parents: 13658
diff changeset
1771 && (TYPE(CHILD(sub,NCH(sub)-1)) != sliceop))
d014c8ab6a82 Fix some strange indentation and grammar that have been bugging me for
Thomas Wouters <thomas@python.org>
parents: 13658
diff changeset
1772 {
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1773 switch (assigning) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1774 case OP_DELETE:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1775 op = DELETE_SLICE;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1776 break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1777 case OP_ASSIGN:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1778 op = STORE_SLICE;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1779 break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1780 case OP_APPLY:
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1781 op = SLICE;
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1782 break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1783 default:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1784 com_augassign_slice(c, sub, assigning, augn);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1785 return;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1786 }
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1787 com_slice(c, sub, op);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1788 if (op == STORE_SLICE)
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1789 com_pop(c, 2);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1790 else if (op == DELETE_SLICE)
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1791 com_pop(c, 1);
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1792 return;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1793 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1794 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1795 /* Else normal subscriptlist. Compile each subscript. */
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1796 for (i = 0; i < NCH(n); i += 2)
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1797 com_subscript(c, CHILD(n, i));
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1798 /* Put multiple subscripts into a tuple */
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1799 if (NCH(n) > 1) {
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1800 i = (NCH(n)+1) / 2;
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1801 com_addoparg(c, BUILD_TUPLE, i);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1802 com_pop(c, i-1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1803 }
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1804 switch (assigning) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1805 case OP_DELETE:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1806 op = DELETE_SUBSCR;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1807 i = 2;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1808 break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1809 default:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1810 case OP_ASSIGN:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1811 op = STORE_SUBSCR;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1812 i = 3;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1813 break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1814 case OP_APPLY:
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1815 op = BINARY_SUBSCR;
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1816 i = 1;
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1817 break;
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1818 }
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1819 if (assigning > OP_APPLY) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1820 com_addoparg(c, DUP_TOPX, 2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1821 com_push(c, 2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1822 com_addbyte(c, BINARY_SUBSCR);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1823 com_pop(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1824 com_node(c, augn);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1825 com_addbyte(c, assigning);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1826 com_pop(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1827 com_addbyte(c, ROT_THREE);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1828 }
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1829 com_addbyte(c, op);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1830 com_pop(c, i);
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1831 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1832
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1833 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1834 com_apply_trailer(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1835 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1836 REQ(n, trailer);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1837 switch (TYPE(CHILD(n, 0))) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1838 case LPAR:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1839 com_call_function(c, CHILD(n, 1));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1840 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1841 case DOT:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1842 com_select_member(c, CHILD(n, 1));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1843 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1844 case LSQB:
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1845 com_subscriptlist(c, CHILD(n, 1), OP_APPLY, NULL);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1846 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1847 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1848 com_error(c, PyExc_SystemError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
1849 "com_apply_trailer: unknown trailer type");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1850 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1851 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1852
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1853 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1854 com_power(struct compiling *c, node *n)
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1855 {
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1856 int i;
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1857 REQ(n, power);
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1858 com_atom(c, CHILD(n, 0));
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1859 for (i = 1; i < NCH(n); i++) {
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1860 if (TYPE(CHILD(n, i)) == DOUBLESTAR) {
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1861 com_factor(c, CHILD(n, i+1));
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1862 com_addbyte(c, BINARY_POWER);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1863 com_pop(c, 1);
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1864 break;
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1865 }
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1866 else
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1867 com_apply_trailer(c, CHILD(n, i));
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1868 }
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1869 }
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1870
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1871 static void
19187
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1872 com_invert_constant(struct compiling *c, node *n)
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1873 {
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1874 /* Compute the inverse of int and longs and use them directly,
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1875 but be prepared to generate code for all other
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1876 possibilities (invalid numbers, floats, complex).
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1877 */
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1878 PyObject *num, *inv = NULL;
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1879 int i;
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1880
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1881 REQ(n, NUMBER);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1882 num = parsenumber(c, STR(n));
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1883 if (num == NULL)
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1884 i = 255;
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1885 else {
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1886 inv = PyNumber_Invert(num);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1887 if (inv == NULL) {
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1888 PyErr_Clear();
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1889 i = com_addconst(c, num);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1890 } else {
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1891 i = com_addconst(c, inv);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1892 Py_DECREF(inv);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1893 }
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1894 Py_DECREF(num);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1895 }
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1896 com_addoparg(c, LOAD_CONST, i);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1897 com_push(c, 1);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1898 if (num != NULL && inv == NULL)
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1899 com_addbyte(c, UNARY_INVERT);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1900 }
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1901
19793
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1902 static int
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1903 is_float_zero(const char *p)
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1904 {
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1905 int found_radix_point = 0;
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1906 int ch;
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1907 while ((ch = Py_CHARMASK(*p++)) != '\0') {
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1908 switch (ch) {
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1909 case '0':
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1910 /* no reason to believe it's not 0 -- continue */
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1911 break;
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1912
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1913 case 'e': case 'E': case 'j': case 'J':
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1914 /* If this was a hex constant, we already would have
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1915 returned 0 due to the 'x' or 'X', so 'e' or 'E'
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1916 must be an exponent marker, and we haven't yet
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1917 seen a non-zero digit, and it doesn't matter what
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1918 the exponent is then. For 'j' or 'J' similarly,
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1919 except that this is an imaginary 0 then. */
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1920 return 1;
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1921
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1922 case '.':
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1923 found_radix_point = 1;
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1924 break;
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1925
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1926 default:
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1927 return 0;
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1928 }
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1929 }
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1930 return found_radix_point;
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1931 }
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1932
19187
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1933 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1934 com_factor(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1935 {
19187
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1936 int childtype = TYPE(CHILD(n, 0));
19793
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1937 node *pfactor, *ppower, *patom, *pnum;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1938 REQ(n, factor);
19187
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1939 /* If the unary +, -, or ~ operator is applied to a constant,
19793
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1940 don't generate a UNARY_xxx opcode. Just store the
19187
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1941 approriate value as a constant. If the value is negative,
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1942 extend the string containing the constant and insert a
19793
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1943 negative in the 0th position -- unless we're doing unary minus
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1944 of a floating zero! In that case the sign is significant, but
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1945 the const dict can't distinguish +0.0 from -0.0.
19187
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1946 */
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1947 if ((childtype == PLUS || childtype == MINUS || childtype == TILDE)
19613
f7cf8961c667 When re-writing a factor containing a unary negation of a literal, only
Fred Drake <fdrake@acm.org>
parents: 19601
diff changeset
1948 && NCH(n) == 2
19793
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1949 && TYPE((pfactor = CHILD(n, 1))) == factor
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1950 && NCH(pfactor) == 1
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1951 && TYPE((ppower = CHILD(pfactor, 0))) == power
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1952 && NCH(ppower) == 1
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1953 && TYPE((patom = CHILD(ppower, 0))) == atom
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1954 && TYPE((pnum = CHILD(patom, 0))) == NUMBER
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1955 && !(childtype == MINUS && is_float_zero(STR(pnum)))) {
19187
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1956 if (childtype == TILDE) {
19793
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1957 com_invert_constant(c, pnum);
19187
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1958 return;
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1959 }
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1960 if (childtype == MINUS) {
24741
e756867ace81 SF bug # 557028, illegal use of malloc/free
Neal Norwitz <nnorwitz@gmail.com>
parents: 22121
diff changeset
1961 char *s = PyMem_Malloc(strlen(STR(pnum)) + 2);
19187
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1962 if (s == NULL) {
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1963 com_error(c, PyExc_MemoryError, "");
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1964 com_addbyte(c, 255);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1965 return;
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1966 }
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1967 s[0] = '-';
19793
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1968 strcpy(s + 1, STR(pnum));
24741
e756867ace81 SF bug # 557028, illegal use of malloc/free
Neal Norwitz <nnorwitz@gmail.com>
parents: 22121
diff changeset
1969 PyMem_Free(STR(pnum));
19793
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1970 STR(pnum) = s;
19187
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1971 }
19793
e2e9f1722c4f SF bug [#458941] Looks like a unary minus bug.
Tim Peters <tim.peters@gmail.com>
parents: 19613
diff changeset
1972 com_atom(c, patom);
19187
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1973 }
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1974 else if (childtype == PLUS) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1975 com_factor(c, CHILD(n, 1));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1976 com_addbyte(c, UNARY_POSITIVE);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1977 }
19187
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1978 else if (childtype == MINUS) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1979 com_factor(c, CHILD(n, 1));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1980 com_addbyte(c, UNARY_NEGATIVE);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1981 }
19187
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1982 else if (childtype == TILDE) {
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1983 com_factor(c, CHILD(n, 1));
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1984 com_addbyte(c, UNARY_INVERT);
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1985 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1986 else {
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1987 com_power(c, CHILD(n, 0));
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1988 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1989 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1990
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1991 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1992 com_term(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1993 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1994 int i;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1995 int op;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1996 REQ(n, term);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1997 com_factor(c, CHILD(n, 0));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1998 for (i = 2; i < NCH(n); i += 2) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1999 com_factor(c, CHILD(n, i));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2000 switch (TYPE(CHILD(n, i-1))) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2001 case STAR:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2002 op = BINARY_MULTIPLY;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2003 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2004 case SLASH:
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2005 if (c->c_flags & CO_FUTURE_DIVISION)
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2006 op = BINARY_TRUE_DIVIDE;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2007 else
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2008 op = BINARY_DIVIDE;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2009 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2010 case PERCENT:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2011 op = BINARY_MODULO;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2012 break;
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2013 case DOUBLESLASH:
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2014 op = BINARY_FLOOR_DIVIDE;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2015 break;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2016 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2017 com_error(c, PyExc_SystemError,
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2018 "com_term: operator not *, /, // or %");
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2019 op = 255;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2020 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2021 com_addbyte(c, op);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2022 com_pop(c, 1);
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2023 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2024 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2025
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2026 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2027 com_arith_expr(struct compiling *c, node *n)
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2028 {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2029 int i;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2030 int op;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2031 REQ(n, arith_expr);
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2032 com_term(c, CHILD(n, 0));
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2033 for (i = 2; i < NCH(n); i += 2) {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2034 com_term(c, CHILD(n, i));
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2035 switch (TYPE(CHILD(n, i-1))) {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2036 case PLUS:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2037 op = BINARY_ADD;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2038 break;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2039 case MINUS:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2040 op = BINARY_SUBTRACT;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2041 break;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2042 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2043 com_error(c, PyExc_SystemError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2044 "com_arith_expr: operator not + or -");
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2045 op = 255;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2046 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2047 com_addbyte(c, op);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2048 com_pop(c, 1);
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2049 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2050 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2051
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2052 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2053 com_shift_expr(struct compiling *c, node *n)
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2054 {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2055 int i;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2056 int op;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2057 REQ(n, shift_expr);
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2058 com_arith_expr(c, CHILD(n, 0));
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2059 for (i = 2; i < NCH(n); i += 2) {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2060 com_arith_expr(c, CHILD(n, i));
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2061 switch (TYPE(CHILD(n, i-1))) {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2062 case LEFTSHIFT:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2063 op = BINARY_LSHIFT;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2064 break;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2065 case RIGHTSHIFT:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2066 op = BINARY_RSHIFT;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2067 break;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2068 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2069 com_error(c, PyExc_SystemError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2070 "com_shift_expr: operator not << or >>");
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2071 op = 255;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2072 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2073 com_addbyte(c, op);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2074 com_pop(c, 1);
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2075 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2076 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2077
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2078 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2079 com_and_expr(struct compiling *c, node *n)
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2080 {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2081 int i;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2082 int op;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2083 REQ(n, and_expr);
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2084 com_shift_expr(c, CHILD(n, 0));
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2085 for (i = 2; i < NCH(n); i += 2) {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2086 com_shift_expr(c, CHILD(n, i));
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2087 if (TYPE(CHILD(n, i-1)) == AMPER) {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2088 op = BINARY_AND;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2089 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2090 else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2091 com_error(c, PyExc_SystemError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2092 "com_and_expr: operator not &");
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2093 op = 255;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2094 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2095 com_addbyte(c, op);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2096 com_pop(c, 1);
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2097 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2098 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2099
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2100 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2101 com_xor_expr(struct compiling *c, node *n)
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2102 {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2103 int i;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2104 int op;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2105 REQ(n, xor_expr);
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2106 com_and_expr(c, CHILD(n, 0));
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2107 for (i = 2; i < NCH(n); i += 2) {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2108 com_and_expr(c, CHILD(n, i));
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2109 if (TYPE(CHILD(n, i-1)) == CIRCUMFLEX) {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2110 op = BINARY_XOR;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2111 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2112 else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2113 com_error(c, PyExc_SystemError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2114 "com_xor_expr: operator not ^");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2115 op = 255;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2116 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2117 com_addbyte(c, op);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2118 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2119 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2120 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2121
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2122 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2123 com_expr(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2124 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2125 int i;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2126 int op;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2127 REQ(n, expr);
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2128 com_xor_expr(c, CHILD(n, 0));
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2129 for (i = 2; i < NCH(n); i += 2) {
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2130 com_xor_expr(c, CHILD(n, i));
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2131 if (TYPE(CHILD(n, i-1)) == VBAR) {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2132 op = BINARY_OR;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2133 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2134 else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2135 com_error(c, PyExc_SystemError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2136 "com_expr: expr operator not |");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2137 op = 255;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2138 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2139 com_addbyte(c, op);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2140 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2141 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2142 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2143
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2144 static enum cmp_op
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2145 cmp_type(node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2146 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2147 REQ(n, comp_op);
388
31d509e94271 Comment out 'abort()' call.
Guido van Rossum <guido@python.org>
parents: 336
diff changeset
2148 /* comp_op: '<' | '>' | '=' | '>=' | '<=' | '<>' | '!=' | '=='
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2149 | 'in' | 'not' 'in' | 'is' | 'is' not' */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2150 if (NCH(n) == 1) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2151 n = CHILD(n, 0);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2152 switch (TYPE(n)) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2153 case LESS: return LT;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2154 case GREATER: return GT;
388
31d509e94271 Comment out 'abort()' call.
Guido van Rossum <guido@python.org>
parents: 336
diff changeset
2155 case EQEQUAL: /* == */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2156 case EQUAL: return EQ;
388
31d509e94271 Comment out 'abort()' call.
Guido van Rossum <guido@python.org>
parents: 336
diff changeset
2157 case LESSEQUAL: return LE;
31d509e94271 Comment out 'abort()' call.
Guido van Rossum <guido@python.org>
parents: 336
diff changeset
2158 case GREATEREQUAL: return GE;
31d509e94271 Comment out 'abort()' call.
Guido van Rossum <guido@python.org>
parents: 336
diff changeset
2159 case NOTEQUAL: return NE; /* <> or != */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2160 case NAME: if (strcmp(STR(n), "in") == 0) return IN;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2161 if (strcmp(STR(n), "is") == 0) return IS;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2162 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2163 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2164 else if (NCH(n) == 2) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2165 switch (TYPE(CHILD(n, 0))) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2166 case NAME: if (strcmp(STR(CHILD(n, 1)), "in") == 0)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2167 return NOT_IN;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2168 if (strcmp(STR(CHILD(n, 0)), "is") == 0)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2169 return IS_NOT;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2170 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2171 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2172 return BAD;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2173 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2174
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2175 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2176 com_comparison(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2177 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2178 int i;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2179 enum cmp_op op;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2180 int anchor;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2181 REQ(n, comparison); /* comparison: expr (comp_op expr)* */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2182 com_expr(c, CHILD(n, 0));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2183 if (NCH(n) == 1)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2184 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2185
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2186 /****************************************************************
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2187 The following code is generated for all but the last
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2188 comparison in a chain:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2189
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2190 label: on stack: opcode: jump to:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2191
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2192 a <code to load b>
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2193 a, b DUP_TOP
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2194 a, b, b ROT_THREE
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2195 b, a, b COMPARE_OP
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2196 b, 0-or-1 JUMP_IF_FALSE L1
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2197 b, 1 POP_TOP
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2198 b
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2199
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2200 We are now ready to repeat this sequence for the next
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2201 comparison in the chain.
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2202
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2203 For the last we generate:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2204
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2205 b <code to load c>
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2206 b, c COMPARE_OP
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2207 0-or-1
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2208
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2209 If there were any jumps to L1 (i.e., there was more than one
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2210 comparison), we generate:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2211
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2212 0-or-1 JUMP_FORWARD L2
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2213 L1: b, 0 ROT_TWO
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2214 0, b POP_TOP
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2215 0
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2216 L2: 0-or-1
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2217 ****************************************************************/
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2218
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2219 anchor = 0;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2220
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2221 for (i = 2; i < NCH(n); i += 2) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2222 com_expr(c, CHILD(n, i));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2223 if (i+2 < NCH(n)) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2224 com_addbyte(c, DUP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2225 com_push(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2226 com_addbyte(c, ROT_THREE);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2227 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2228 op = cmp_type(CHILD(n, i-1));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2229 if (op == BAD) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2230 com_error(c, PyExc_SystemError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2231 "com_comparison: unknown comparison op");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2232 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2233 com_addoparg(c, COMPARE_OP, op);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2234 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2235 if (i+2 < NCH(n)) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2236 com_addfwref(c, JUMP_IF_FALSE, &anchor);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2237 com_addbyte(c, POP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2238 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2239 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2240 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2241
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2242 if (anchor) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2243 int anchor2 = 0;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2244 com_addfwref(c, JUMP_FORWARD, &anchor2);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2245 com_backpatch(c, anchor);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2246 com_addbyte(c, ROT_TWO);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2247 com_addbyte(c, POP_TOP);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2248 com_backpatch(c, anchor2);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2249 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2250 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2251
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2252 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2253 com_not_test(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2254 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2255 REQ(n, not_test); /* 'not' not_test | comparison */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2256 if (NCH(n) == 1) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2257 com_comparison(c, CHILD(n, 0));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2258 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2259 else {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2260 com_not_test(c, CHILD(n, 1));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2261 com_addbyte(c, UNARY_NOT);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2262 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2263 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2264
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2265 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2266 com_and_test(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2267 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2268 int i;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2269 int anchor;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2270 REQ(n, and_test); /* not_test ('and' not_test)* */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2271 anchor = 0;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2272 i = 0;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2273 for (;;) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2274 com_not_test(c, CHILD(n, i));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2275 if ((i += 2) >= NCH(n))
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2276 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2277 com_addfwref(c, JUMP_IF_FALSE, &anchor);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2278 com_addbyte(c, POP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2279 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2280 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2281 if (anchor)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2282 com_backpatch(c, anchor);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2283 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2284
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2285 static int
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2286 com_make_closure(struct compiling *c, PyCodeObject *co)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2287 {
21398
de125792bfaa Fix for SF bug [ #492403 ] exec() segfaults on closure's func_code
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 21179
diff changeset
2288 int i, free = PyCode_GetNumFree(co);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2289 if (free == 0)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2290 return 0;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2291 for (i = 0; i < free; ++i) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2292 /* Bypass com_addop_varname because it will generate
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2293 LOAD_DEREF but LOAD_CLOSURE is needed.
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2294 */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2295 PyObject *name = PyTuple_GET_ITEM(co->co_freevars, i);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2296 int arg, reftype;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2297
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2298 /* Special case: If a class contains a method with a
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2299 free variable that has the same name as a method,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2300 the name will be considered free *and* local in the
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2301 class. It should be handled by the closure, as
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2302 well as by the normal name loookup logic.
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2303 */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2304 reftype = get_ref_type(c, PyString_AS_STRING(name));
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2305 if (reftype == CELL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2306 arg = com_lookup_arg(c->c_cellvars, name);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2307 else /* (reftype == FREE) */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2308 arg = com_lookup_arg(c->c_freevars, name);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2309 if (arg == -1) {
16892
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
2310 fprintf(stderr, "lookup %s in %s %d %d\n"
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
2311 "freevars of %s: %s\n",
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
2312 PyObject_REPR(name),
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
2313 c->c_name,
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
2314 reftype, arg,
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
2315 PyString_AS_STRING(co->co_name),
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
2316 PyObject_REPR(co->co_freevars));
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2317 Py_FatalError("com_make_closure()");
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2318 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2319 com_addoparg(c, LOAD_CLOSURE, arg);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2320
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2321 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2322 com_push(c, free);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2323 return 1;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2324 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2325
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2326 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2327 com_test(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2328 {
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2329 REQ(n, test); /* and_test ('or' and_test)* | lambdef */
1417
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2330 if (NCH(n) == 1 && TYPE(CHILD(n, 0)) == lambdef) {
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
2331 PyCodeObject *co;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2332 int i, closure;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2333 int ndefs = com_argdefs(c, CHILD(n, 0));
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
2334 symtable_enter_scope(c->c_symtable, "lambda", lambdef,
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
2335 n->n_lineno);
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
2336 co = icompile(CHILD(n, 0), c);
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
2337 if (co == NULL) {
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
2338 c->c_errors++;
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
2339 return;
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
2340 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2341 symtable_exit_scope(c->c_symtable);
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
2342 i = com_addconst(c, (PyObject *)co);
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
2343 closure = com_make_closure(c, co);
1417
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2344 com_addoparg(c, LOAD_CONST, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2345 com_push(c, 1);
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
2346 if (closure) {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2347 com_addoparg(c, MAKE_CLOSURE, ndefs);
21398
de125792bfaa Fix for SF bug [ #492403 ] exec() segfaults on closure's func_code
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 21179
diff changeset
2348 com_pop(c, PyCode_GetNumFree(co));
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
2349 } else
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2350 com_addoparg(c, MAKE_FUNCTION, ndefs);
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
2351 Py_DECREF(co);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2352 com_pop(c, ndefs);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2353 }
1417
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2354 else {
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2355 int anchor = 0;
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2356 int i = 0;
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2357 for (;;) {
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2358 com_and_test(c, CHILD(n, i));
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2359 if ((i += 2) >= NCH(n))
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2360 break;
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2361 com_addfwref(c, JUMP_IF_TRUE, &anchor);
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2362 com_addbyte(c, POP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2363 com_pop(c, 1);
1417
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2364 }
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2365 if (anchor)
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2366 com_backpatch(c, anchor);
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2367 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2368 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2369
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2370 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2371 com_list(struct compiling *c, node *n, int toplevel)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2372 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2373 /* exprlist: expr (',' expr)* [',']; likewise for testlist */
482
ee899a81570d New argument passing.
Guido van Rossum <guido@python.org>
parents: 466
diff changeset
2374 if (NCH(n) == 1 && !toplevel) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2375 com_node(c, CHILD(n, 0));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2376 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2377 else {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2378 int i;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2379 int len;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2380 len = (NCH(n) + 1) / 2;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2381 for (i = 0; i < NCH(n); i += 2)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2382 com_node(c, CHILD(n, i));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2383 com_addoparg(c, BUILD_TUPLE, len);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2384 com_pop(c, len-1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2385 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2386 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2387
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2388
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2389 /* Begin of assignment compilation */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2390
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2391
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2392 static void
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2393 com_augassign_attr(struct compiling *c, node *n, int opcode, node *augn)
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2394 {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2395 com_addbyte(c, DUP_TOP);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2396 com_push(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2397 com_addopname(c, LOAD_ATTR, n);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2398 com_node(c, augn);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2399 com_addbyte(c, opcode);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2400 com_pop(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2401 com_addbyte(c, ROT_TWO);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2402 com_addopname(c, STORE_ATTR, n);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2403 com_pop(c, 2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2404 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2405
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2406 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2407 com_assign_attr(struct compiling *c, node *n, int assigning)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2408 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2409 com_addopname(c, assigning ? STORE_ATTR : DELETE_ATTR, n);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2410 com_pop(c, assigning ? 2 : 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2411 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2412
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2413 static void
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2414 com_assign_trailer(struct compiling *c, node *n, int assigning, node *augn)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2415 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2416 REQ(n, trailer);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2417 switch (TYPE(CHILD(n, 0))) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2418 case LPAR: /* '(' [exprlist] ')' */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2419 com_error(c, PyExc_SyntaxError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2420 "can't assign to function call");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2421 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2422 case DOT: /* '.' NAME */
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2423 if (assigning > OP_APPLY)
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2424 com_augassign_attr(c, CHILD(n, 1), assigning, augn);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2425 else
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2426 com_assign_attr(c, CHILD(n, 1), assigning);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2427 break;
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
2428 case LSQB: /* '[' subscriptlist ']' */
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2429 com_subscriptlist(c, CHILD(n, 1), assigning, augn);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2430 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2431 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2432 com_error(c, PyExc_SystemError, "unknown trailer type");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2433 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2434 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2435
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2436 static void
13930
4eaa463c031a Merge UNPACK_LIST and UNPACK_TUPLE into a single UNPACK_SEQUENCE, since they
Thomas Wouters <thomas@python.org>
parents: 13884
diff changeset
2437 com_assign_sequence(struct compiling *c, node *n, int assigning)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2438 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2439 int i;
14178
dff22d4a48da Fix allowable node-types for assignment, need to add 'listmaker'.
Thomas Wouters <thomas@python.org>
parents: 14163
diff changeset
2440 if (TYPE(n) != testlist && TYPE(n) != listmaker)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2441 REQ(n, exprlist);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2442 if (assigning) {
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2443 i = (NCH(n)+1)/2;
13930
4eaa463c031a Merge UNPACK_LIST and UNPACK_TUPLE into a single UNPACK_SEQUENCE, since they
Thomas Wouters <thomas@python.org>
parents: 13884
diff changeset
2444 com_addoparg(c, UNPACK_SEQUENCE, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2445 com_push(c, i-1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2446 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2447 for (i = 0; i < NCH(n); i += 2)
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2448 com_assign(c, CHILD(n, i), assigning, NULL);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2449 }
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2450
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2451 static void
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2452 com_augassign_name(struct compiling *c, node *n, int opcode, node *augn)
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2453 {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2454 REQ(n, NAME);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2455 com_addop_varname(c, VAR_LOAD, STR(n));
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2456 com_push(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2457 com_node(c, augn);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2458 com_addbyte(c, opcode);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2459 com_pop(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2460 com_assign_name(c, n, OP_ASSIGN);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2461 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2462
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2463 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2464 com_assign_name(struct compiling *c, node *n, int assigning)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2465 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2466 REQ(n, NAME);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2467 com_addop_varname(c, assigning ? VAR_STORE : VAR_DELETE, STR(n));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2468 if (assigning)
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2469 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2470 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2471
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2472 static void
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2473 com_assign(struct compiling *c, node *n, int assigning, node *augn)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2474 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2475 /* Loop to avoid trivial recursion */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2476 for (;;) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2477 switch (TYPE(n)) {
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
2478
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2479 case exprlist:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2480 case testlist:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2481 if (NCH(n) > 1) {
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2482 if (assigning > OP_APPLY) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2483 com_error(c, PyExc_SyntaxError,
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
2484 "augmented assign to tuple not possible");
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2485 return;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2486 }
13930
4eaa463c031a Merge UNPACK_LIST and UNPACK_TUPLE into a single UNPACK_SEQUENCE, since they
Thomas Wouters <thomas@python.org>
parents: 13884
diff changeset
2487 com_assign_sequence(c, n, assigning);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2488 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2489 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2490 n = CHILD(n, 0);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2491 break;
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
2492
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2493 case test:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2494 case and_test:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2495 case not_test:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2496 case comparison:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2497 case expr:
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2498 case xor_expr:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2499 case and_expr:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2500 case shift_expr:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2501 case arith_expr:
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2502 case term:
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
2503 case factor:
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2504 if (NCH(n) > 1) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2505 com_error(c, PyExc_SyntaxError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2506 "can't assign to operator");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2507 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2508 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2509 n = CHILD(n, 0);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2510 break;
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
2511
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
2512 case power: /* atom trailer* ('**' power)*
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
2513 ('+'|'-'|'~') factor | atom trailer* */
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
2514 if (TYPE(CHILD(n, 0)) != atom) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2515 com_error(c, PyExc_SyntaxError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2516 "can't assign to operator");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2517 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2518 }
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
2519 if (NCH(n) > 1) { /* trailer or exponent present */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2520 int i;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2521 com_node(c, CHILD(n, 0));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2522 for (i = 1; i+1 < NCH(n); i++) {
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
2523 if (TYPE(CHILD(n, i)) == DOUBLESTAR) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2524 com_error(c, PyExc_SyntaxError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2525 "can't assign to operator");
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
2526 return;
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
2527 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2528 com_apply_trailer(c, CHILD(n, i));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2529 } /* NB i is still alive */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2530 com_assign_trailer(c,
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2531 CHILD(n, i), assigning, augn);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2532 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2533 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2534 n = CHILD(n, 0);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2535 break;
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
2536
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2537 case atom:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2538 switch (TYPE(CHILD(n, 0))) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2539 case LPAR:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2540 n = CHILD(n, 1);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2541 if (TYPE(n) == RPAR) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2542 /* XXX Should allow () = () ??? */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2543 com_error(c, PyExc_SyntaxError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2544 "can't assign to ()");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2545 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2546 }
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2547 if (assigning > OP_APPLY) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2548 com_error(c, PyExc_SyntaxError,
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2549 "augmented assign to tuple not possible");
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2550 return;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2551 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2552 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2553 case LSQB:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2554 n = CHILD(n, 1);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2555 if (TYPE(n) == RSQB) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2556 com_error(c, PyExc_SyntaxError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2557 "can't assign to []");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2558 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2559 }
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2560 if (assigning > OP_APPLY) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2561 com_error(c, PyExc_SyntaxError,
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2562 "augmented assign to list not possible");
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2563 return;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2564 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2565 if (NCH(n) > 1
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2566 && TYPE(CHILD(n, 1)) == list_for) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2567 com_error(c, PyExc_SyntaxError,
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2568 "can't assign to list comprehension");
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2569 return;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2570 }
13930
4eaa463c031a Merge UNPACK_LIST and UNPACK_TUPLE into a single UNPACK_SEQUENCE, since they
Thomas Wouters <thomas@python.org>
parents: 13884
diff changeset
2571 com_assign_sequence(c, n, assigning);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2572 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2573 case NAME:
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2574 if (assigning > OP_APPLY)
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2575 com_augassign_name(c, CHILD(n, 0),
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2576 assigning, augn);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2577 else
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2578 com_assign_name(c, CHILD(n, 0),
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2579 assigning);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2580 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2581 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2582 com_error(c, PyExc_SyntaxError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2583 "can't assign to literal");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2584 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2585 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2586 break;
3963
00722990b80c Removed unused var; added error check for ``lambda: x=1''.
Guido van Rossum <guido@python.org>
parents: 3839
diff changeset
2587
00722990b80c Removed unused var; added error check for ``lambda: x=1''.
Guido van Rossum <guido@python.org>
parents: 3839
diff changeset
2588 case lambdef:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2589 com_error(c, PyExc_SyntaxError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2590 "can't assign to lambda");
3963
00722990b80c Removed unused var; added error check for ``lambda: x=1''.
Guido van Rossum <guido@python.org>
parents: 3839
diff changeset
2591 return;
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
2592
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2593 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2594 com_error(c, PyExc_SystemError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2595 "com_assign: bad node");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2596 return;
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
2597
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2598 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2599 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2600 }
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2601
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2602 static void
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2603 com_augassign(struct compiling *c, node *n)
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2604 {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2605 int opcode;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2606
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2607 switch (STR(CHILD(CHILD(n, 1), 0))[0]) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2608 case '+': opcode = INPLACE_ADD; break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2609 case '-': opcode = INPLACE_SUBTRACT; break;
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2610 case '/':
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2611 if (STR(CHILD(CHILD(n, 1), 0))[1] == '/')
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2612 opcode = INPLACE_FLOOR_DIVIDE;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2613 else if (c->c_flags & CO_FUTURE_DIVISION)
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2614 opcode = INPLACE_TRUE_DIVIDE;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2615 else
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2616 opcode = INPLACE_DIVIDE;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2617 break;
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2618 case '%': opcode = INPLACE_MODULO; break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2619 case '<': opcode = INPLACE_LSHIFT; break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2620 case '>': opcode = INPLACE_RSHIFT; break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2621 case '&': opcode = INPLACE_AND; break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2622 case '^': opcode = INPLACE_XOR; break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2623 case '|': opcode = INPLACE_OR; break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2624 case '*':
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2625 if (STR(CHILD(CHILD(n, 1), 0))[1] == '*')
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2626 opcode = INPLACE_POWER;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2627 else
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2628 opcode = INPLACE_MULTIPLY;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2629 break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2630 default:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2631 com_error(c, PyExc_SystemError, "com_augassign: bad operator");
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2632 return;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2633 }
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2634 com_assign(c, CHILD(n, 0), opcode, CHILD(n, 2));
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2635 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2636
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2637 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2638 com_expr_stmt(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2639 {
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2640 REQ(n, expr_stmt);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2641 /* testlist (('=' testlist)* | augassign testlist) */
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2642 /* Forget it if we have just a doc string here */
5264
38878f1cd4f1 Support for alternative string quotes (a"xx", b"xx", c"xx", ...).
Guido van Rossum <guido@python.org>
parents: 5233
diff changeset
2643 if (!c->c_interactive && NCH(n) == 1 && get_rawdocstring(n) != NULL)
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2644 return;
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2645 if (NCH(n) == 1) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2646 com_node(c, CHILD(n, NCH(n)-1));
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
2647 if (c->c_interactive)
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
2648 com_addbyte(c, PRINT_EXPR);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
2649 else
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
2650 com_addbyte(c, POP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2651 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2652 }
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2653 else if (TYPE(CHILD(n,1)) == augassign)
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2654 com_augassign(c, n);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2655 else {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2656 int i;
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2657 com_node(c, CHILD(n, NCH(n)-1));
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
2658 for (i = 0; i < NCH(n)-2; i+=2) {
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2659 if (i+2 < NCH(n)-2) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2660 com_addbyte(c, DUP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2661 com_push(c, 1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2662 }
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2663 com_assign(c, CHILD(n, i), OP_ASSIGN, NULL);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2664 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2665 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2666 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2667
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2668 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2669 com_assert_stmt(struct compiling *c, node *n)
5233
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2670 {
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2671 int a = 0, b = 0;
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2672 int i;
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2673 REQ(n, assert_stmt); /* 'assert' test [',' test] */
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2674 /* Generate code like for
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2675
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2676 if __debug__:
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2677 if not <test>:
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2678 raise AssertionError [, <message>]
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2679
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2680 where <message> is the second test, if present.
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2681 */
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2682
5233
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2683 if (Py_OptimizeFlag)
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2684 return;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2685 com_addop_name(c, LOAD_GLOBAL, "__debug__");
5233
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2686 com_push(c, 1);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2687 com_addfwref(c, JUMP_IF_FALSE, &a);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2688 com_addbyte(c, POP_TOP);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2689 com_pop(c, 1);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2690 com_node(c, CHILD(n, 1));
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2691 com_addfwref(c, JUMP_IF_TRUE, &b);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2692 com_addbyte(c, POP_TOP);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2693 com_pop(c, 1);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2694 /* Raise that exception! */
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2695 com_addop_name(c, LOAD_GLOBAL, "AssertionError");
5233
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2696 com_push(c, 1);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2697 i = NCH(n)/2; /* Either 2 or 4 */
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2698 if (i > 1)
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2699 com_node(c, CHILD(n, 3));
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2700 com_addoparg(c, RAISE_VARARGS, i);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2701 com_pop(c, i);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2702 /* The interpreter does not fall through */
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2703 /* All jumps converge here */
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2704 com_backpatch(c, a);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2705 com_backpatch(c, b);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2706 com_addbyte(c, POP_TOP);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2707 }
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2708
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2709 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2710 com_print_stmt(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2711 {
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2712 int i = 1;
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2713 node* stream = NULL;
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2714
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
2715 REQ(n, print_stmt); /* 'print' (test ',')* [test] */
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2716
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2717 /* are we using the extended print form? */
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2718 if (NCH(n) >= 2 && TYPE(CHILD(n, 1)) == RIGHTSHIFT) {
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2719 stream = CHILD(n, 2);
14105
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2720 com_node(c, stream);
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2721 /* stack: [...] => [... stream] */
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2722 com_push(c, 1);
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2723 if (NCH(n) > 3 && TYPE(CHILD(n, 3)) == COMMA)
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2724 i = 4;
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2725 else
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2726 i = 3;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2727 }
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2728 for (; i < NCH(n); i += 2) {
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2729 if (stream != NULL) {
14105
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2730 com_addbyte(c, DUP_TOP);
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2731 /* stack: [stream] => [stream stream] */
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2732 com_push(c, 1);
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2733 com_node(c, CHILD(n, i));
14105
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2734 /* stack: [stream stream] => [stream stream obj] */
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2735 com_addbyte(c, ROT_TWO);
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2736 /* stack: [stream stream obj] => [stream obj stream] */
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2737 com_addbyte(c, PRINT_ITEM_TO);
14105
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2738 /* stack: [stream obj stream] => [stream] */
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2739 com_pop(c, 2);
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2740 }
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2741 else {
14105
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2742 com_node(c, CHILD(n, i));
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2743 /* stack: [...] => [... obj] */
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2744 com_addbyte(c, PRINT_ITEM);
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2745 com_pop(c, 1);
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2746 }
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2747 }
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2748 /* XXX Alternatively, LOAD_CONST '\n' and then PRINT_ITEM */
14105
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2749 if (TYPE(CHILD(n, NCH(n)-1)) == COMMA) {
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2750 if (stream != NULL) {
14105
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2751 /* must pop the extra stream object off the stack */
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2752 com_addbyte(c, POP_TOP);
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2753 /* stack: [... stream] => [...] */
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2754 com_pop(c, 1);
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2755 }
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2756 }
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2757 else {
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2758 if (stream != NULL) {
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2759 /* this consumes the last stream object on stack */
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2760 com_addbyte(c, PRINT_NEWLINE_TO);
14105
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2761 /* stack: [... stream] => [...] */
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2762 com_pop(c, 1);
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2763 }
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2764 else
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2765 com_addbyte(c, PRINT_NEWLINE);
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2766 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2767 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2768
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2769 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2770 com_return_stmt(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2771 {
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
2772 REQ(n, return_stmt); /* 'return' [testlist] */
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
2773 if (!c->c_infunction) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2774 com_error(c, PyExc_SyntaxError, "'return' outside function");
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
2775 }
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2776 if (c->c_flags & CO_GENERATOR) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2777 if (NCH(n) > 1) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2778 com_error(c, PyExc_SyntaxError,
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2779 "'return' with argument inside generator");
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2780 }
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2781 }
18243
47717e5667eb Change the semantics of "return" in generators, as discussed on the
Tim Peters <tim.peters@gmail.com>
parents: 18228
diff changeset
2782 if (NCH(n) < 2) {
47717e5667eb Change the semantics of "return" in generators, as discussed on the
Tim Peters <tim.peters@gmail.com>
parents: 18228
diff changeset
2783 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_None));
47717e5667eb Change the semantics of "return" in generators, as discussed on the
Tim Peters <tim.peters@gmail.com>
parents: 18228
diff changeset
2784 com_push(c, 1);
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2785 }
18243
47717e5667eb Change the semantics of "return" in generators, as discussed on the
Tim Peters <tim.peters@gmail.com>
parents: 18228
diff changeset
2786 else
47717e5667eb Change the semantics of "return" in generators, as discussed on the
Tim Peters <tim.peters@gmail.com>
parents: 18228
diff changeset
2787 com_node(c, CHILD(n, 1));
47717e5667eb Change the semantics of "return" in generators, as discussed on the
Tim Peters <tim.peters@gmail.com>
parents: 18228
diff changeset
2788 com_addbyte(c, RETURN_VALUE);
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2789 com_pop(c, 1);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2790 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2791
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2792 static void
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2793 com_yield_stmt(struct compiling *c, node *n)
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2794 {
18228
4ebd292c975f Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Tim Peters <tim.peters@gmail.com>
parents: 18148
diff changeset
2795 int i;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2796 REQ(n, yield_stmt); /* 'yield' testlist */
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2797 if (!c->c_infunction) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2798 com_error(c, PyExc_SyntaxError, "'yield' outside function");
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2799 }
18228
4ebd292c975f Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Tim Peters <tim.peters@gmail.com>
parents: 18148
diff changeset
2800
4ebd292c975f Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Tim Peters <tim.peters@gmail.com>
parents: 18148
diff changeset
2801 for (i = 0; i < c->c_nblocks; ++i) {
4ebd292c975f Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Tim Peters <tim.peters@gmail.com>
parents: 18148
diff changeset
2802 if (c->c_block[i] == SETUP_FINALLY) {
4ebd292c975f Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Tim Peters <tim.peters@gmail.com>
parents: 18148
diff changeset
2803 com_error(c, PyExc_SyntaxError,
4ebd292c975f Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Tim Peters <tim.peters@gmail.com>
parents: 18148
diff changeset
2804 "'yield' not allowed in a 'try' block "
4ebd292c975f Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Tim Peters <tim.peters@gmail.com>
parents: 18148
diff changeset
2805 "with a 'finally' clause");
4ebd292c975f Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Tim Peters <tim.peters@gmail.com>
parents: 18148
diff changeset
2806 return;
4ebd292c975f Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Tim Peters <tim.peters@gmail.com>
parents: 18148
diff changeset
2807 }
4ebd292c975f Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Tim Peters <tim.peters@gmail.com>
parents: 18148
diff changeset
2808 }
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2809 com_node(c, CHILD(n, 1));
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2810 com_addbyte(c, YIELD_VALUE);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2811 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2812 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2813
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2814 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2815 com_raise_stmt(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2816 {
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2817 int i;
7946
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 6501
diff changeset
2818 REQ(n, raise_stmt); /* 'raise' [test [',' test [',' test]]] */
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 6501
diff changeset
2819 if (NCH(n) > 1) {
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 6501
diff changeset
2820 com_node(c, CHILD(n, 1));
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 6501
diff changeset
2821 if (NCH(n) > 3) {
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 6501
diff changeset
2822 com_node(c, CHILD(n, 3));
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 6501
diff changeset
2823 if (NCH(n) > 5)
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 6501
diff changeset
2824 com_node(c, CHILD(n, 5));
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 6501
diff changeset
2825 }
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
2826 }
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2827 i = NCH(n)/2;
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2828 com_addoparg(c, RAISE_VARARGS, i);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2829 com_pop(c, i);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2830 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2831
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2832 static void
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2833 com_from_import(struct compiling *c, node *n)
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2834 {
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2835 com_addopname(c, IMPORT_FROM, CHILD(n, 0));
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2836 com_push(c, 1);
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2837 if (NCH(n) > 1) {
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2838 if (strcmp(STR(CHILD(n, 1)), "as") != 0) {
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2839 com_error(c, PyExc_SyntaxError, "invalid syntax");
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2840 return;
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2841 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2842 com_addop_varname(c, VAR_STORE, STR(CHILD(n, 2)));
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2843 } else
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2844 com_addop_varname(c, VAR_STORE, STR(CHILD(n, 0)));
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2845 com_pop(c, 1);
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2846 }
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2847
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2848 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2849 com_import_stmt(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2850 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2851 int i;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2852 REQ(n, import_stmt);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
2853 /* 'import' dotted_name (',' dotted_name)* |
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
2854 'from' dotted_name 'import' ('*' | NAME (',' NAME)*) */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2855 if (STR(CHILD(n, 0))[0] == 'f') {
15438
433458651eb4 Plug a memory leak in com_import_stmt(): the tuple created to hold the
Guido van Rossum <guido@python.org>
parents: 15408
diff changeset
2856 PyObject *tup;
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
2857 /* 'from' dotted_name 'import' ... */
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
2858 REQ(CHILD(n, 1), dotted_name);
14232
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2859
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2860 if (TYPE(CHILD(n, 3)) == STAR) {
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2861 tup = Py_BuildValue("(s)", "*");
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2862 } else {
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2863 tup = PyTuple_New((NCH(n) - 2)/2);
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2864 for (i = 3; i < NCH(n); i += 2) {
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2865 PyTuple_SET_ITEM(tup, (i-3)/2,
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2866 PyString_FromString(STR(
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
2867 CHILD(CHILD(n, i), 0))));
14232
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2868 }
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2869 }
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2870 com_addoparg(c, LOAD_CONST, com_addconst(c, tup));
15438
433458651eb4 Plug a memory leak in com_import_stmt(): the tuple created to hold the
Guido van Rossum <guido@python.org>
parents: 15408
diff changeset
2871 Py_DECREF(tup);
14232
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2872 com_push(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2873 com_addopname(c, IMPORT_NAME, CHILD(n, 1));
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2874 if (TYPE(CHILD(n, 3)) == STAR)
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2875 com_addbyte(c, IMPORT_STAR);
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2876 else {
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2877 for (i = 3; i < NCH(n); i += 2)
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2878 com_from_import(c, CHILD(n, i));
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2879 com_addbyte(c, POP_TOP);
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2880 }
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2881 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2882 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2883 else {
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
2884 /* 'import' ... */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2885 for (i = 1; i < NCH(n); i += 2) {
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2886 node *subn = CHILD(n, i);
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2887 REQ(subn, dotted_as_name);
14232
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2888 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_None));
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2889 com_push(c, 1);
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2890 com_addopname(c, IMPORT_NAME, CHILD(subn, 0));
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2891 if (NCH(subn) > 1) {
14230
31925ab46b23 Re-allow 'import mod.submod as s', and change its meaning to what it should
Thomas Wouters <thomas@python.org>
parents: 14226
diff changeset
2892 int j;
31925ab46b23 Re-allow 'import mod.submod as s', and change its meaning to what it should
Thomas Wouters <thomas@python.org>
parents: 14226
diff changeset
2893 if (strcmp(STR(CHILD(subn, 1)), "as") != 0) {
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2894 com_error(c, PyExc_SyntaxError,
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2895 "invalid syntax");
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2896 return;
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2897 }
14230
31925ab46b23 Re-allow 'import mod.submod as s', and change its meaning to what it should
Thomas Wouters <thomas@python.org>
parents: 14226
diff changeset
2898 for (j=2 ; j < NCH(CHILD(subn, 0)); j += 2)
31925ab46b23 Re-allow 'import mod.submod as s', and change its meaning to what it should
Thomas Wouters <thomas@python.org>
parents: 14226
diff changeset
2899 com_addopname(c, LOAD_ATTR,
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2900 CHILD(CHILD(subn, 0),
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2901 j));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2902 com_addop_varname(c, VAR_STORE,
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2903 STR(CHILD(subn, 2)));
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2904 } else
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2905 com_addop_varname(c, VAR_STORE,
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2906 STR(CHILD(CHILD(subn, 0),
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2907 0)));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2908 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2909 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2910 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2911 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2912
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2913 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2914 com_exec_stmt(struct compiling *c, node *n)
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2915 {
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2916 REQ(n, exec_stmt);
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2917 /* exec_stmt: 'exec' expr ['in' expr [',' expr]] */
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2918 com_node(c, CHILD(n, 1));
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2919 if (NCH(n) >= 4)
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2920 com_node(c, CHILD(n, 3));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2921 else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2922 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_None));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2923 com_push(c, 1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2924 }
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2925 if (NCH(n) >= 6)
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2926 com_node(c, CHILD(n, 5));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2927 else {
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2928 com_addbyte(c, DUP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2929 com_push(c, 1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2930 }
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2931 com_addbyte(c, EXEC_STMT);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2932 com_pop(c, 3);
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2933 }
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2934
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2935 static int
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2936 is_constant_false(struct compiling *c, node *n)
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2937 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2938 PyObject *v;
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2939 int i;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2940 /* argument c will be NULL when called from symtable_node() */
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2941
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2942 /* Label to avoid tail recursion */
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2943 next:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2944 switch (TYPE(n)) {
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2945
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2946 case suite:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2947 if (NCH(n) == 1) {
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2948 n = CHILD(n, 0);
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2949 goto next;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2950 }
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2951 /* Fall through */
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2952 case file_input:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2953 for (i = 0; i < NCH(n); i++) {
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2954 node *ch = CHILD(n, i);
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2955 if (TYPE(ch) == stmt) {
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2956 n = ch;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2957 goto next;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2958 }
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2959 }
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2960 break;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2961
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2962 case stmt:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2963 case simple_stmt:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2964 case small_stmt:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2965 n = CHILD(n, 0);
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2966 goto next;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2967
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2968 case expr_stmt:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2969 case testlist:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2970 case test:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2971 case and_test:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2972 case not_test:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2973 case comparison:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2974 case expr:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2975 case xor_expr:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2976 case and_expr:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2977 case shift_expr:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2978 case arith_expr:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2979 case term:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2980 case factor:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2981 case power:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2982 case atom:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2983 if (NCH(n) == 1) {
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2984 n = CHILD(n, 0);
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2985 goto next;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2986 }
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2987 break;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2988
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2989 case NAME:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2990 if (Py_OptimizeFlag && strcmp(STR(n), "__debug__") == 0)
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2991 return 1;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2992 break;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2993
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2994 case NUMBER:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2995 v = parsenumber(c, STR(n));
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2996 if (v == NULL) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2997 PyErr_Clear();
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2998 break;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2999 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3000 i = PyObject_IsTrue(v);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3001 Py_DECREF(v);
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
3002 return i == 0;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
3003
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
3004 case STRING:
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
3005 v = parsestr(c, STR(n));
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
3006 if (v == NULL) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3007 PyErr_Clear();
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
3008 break;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
3009 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3010 i = PyObject_IsTrue(v);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3011 Py_DECREF(v);
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
3012 return i == 0;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
3013
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
3014 }
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
3015 return 0;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
3016 }
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
3017
18333
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3018
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3019 /* Look under n for a return stmt with an expression.
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3020 * This hack is used to find illegal returns under "if 0:" blocks in
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3021 * functions already known to be generators (as determined by the symtable
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3022 * pass).
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3023 * Return the offending return node if found, else NULL.
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3024 */
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3025 static node *
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3026 look_for_offending_return(node *n)
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3027 {
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3028 int i;
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3029
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3030 for (i = 0; i < NCH(n); ++i) {
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3031 node *kid = CHILD(n, i);
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3032
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3033 switch (TYPE(kid)) {
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3034 case classdef:
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3035 case funcdef:
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3036 case lambdef:
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3037 /* Stuff in nested functions & classes doesn't
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3038 affect the code block we started in. */
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3039 return NULL;
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3040
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3041 case return_stmt:
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3042 if (NCH(kid) > 1)
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3043 return kid;
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3044 break;
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3045
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3046 default: {
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3047 node *bad = look_for_offending_return(kid);
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3048 if (bad != NULL)
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3049 return bad;
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3050 }
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3051 }
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3052 }
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3053
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3054 return NULL;
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3055 }
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3056
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
3057 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3058 com_if_stmt(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3059 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3060 int i;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3061 int anchor = 0;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3062 REQ(n, if_stmt);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3063 /*'if' test ':' suite ('elif' test ':' suite)* ['else' ':' suite] */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3064 for (i = 0; i+3 < NCH(n); i+=4) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3065 int a = 0;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3066 node *ch = CHILD(n, i+1);
18333
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3067 if (is_constant_false(c, ch)) {
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3068 /* We're going to skip this block. However, if this
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3069 is a generator, we have to check the dead code
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3070 anyway to make sure there aren't any return stmts
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3071 with expressions, in the same scope. */
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3072 if (c->c_flags & CO_GENERATOR) {
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3073 node *p = look_for_offending_return(n);
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3074 if (p != NULL) {
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3075 int savelineno = c->c_lineno;
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3076 c->c_lineno = p->n_lineno;
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3077 com_error(c, PyExc_SyntaxError,
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3078 "'return' with argument "
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3079 "inside generator");
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3080 c->c_lineno = savelineno;
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3081 }
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3082 }
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
3083 continue;
18333
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3084 }
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3085 if (i > 0)
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3086 com_addoparg(c, SET_LINENO, ch->n_lineno);
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
3087 com_node(c, ch);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3088 com_addfwref(c, JUMP_IF_FALSE, &a);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3089 com_addbyte(c, POP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3090 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3091 com_node(c, CHILD(n, i+3));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3092 com_addfwref(c, JUMP_FORWARD, &anchor);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3093 com_backpatch(c, a);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3094 /* We jump here with an extra entry which we now pop */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3095 com_addbyte(c, POP_TOP);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3096 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3097 if (i+2 < NCH(n))
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3098 com_node(c, CHILD(n, i+2));
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
3099 if (anchor)
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
3100 com_backpatch(c, anchor);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3101 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3102
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3103 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3104 com_while_stmt(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3105 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3106 int break_anchor = 0;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3107 int anchor = 0;
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3108 int save_begin = c->c_begin;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3109 REQ(n, while_stmt); /* 'while' test ':' suite ['else' ':' suite] */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3110 com_addfwref(c, SETUP_LOOP, &break_anchor);
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3111 block_push(c, SETUP_LOOP);
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3112 c->c_begin = c->c_nexti;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3113 com_addoparg(c, SET_LINENO, n->n_lineno);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3114 com_node(c, CHILD(n, 1));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3115 com_addfwref(c, JUMP_IF_FALSE, &anchor);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3116 com_addbyte(c, POP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3117 com_pop(c, 1);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3118 c->c_loops++;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3119 com_node(c, CHILD(n, 3));
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3120 c->c_loops--;
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3121 com_addoparg(c, JUMP_ABSOLUTE, c->c_begin);
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3122 c->c_begin = save_begin;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3123 com_backpatch(c, anchor);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3124 /* We jump here with one entry more on the stack */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3125 com_addbyte(c, POP_TOP);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3126 com_addbyte(c, POP_BLOCK);
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3127 block_pop(c, SETUP_LOOP);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3128 if (NCH(n) > 4)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3129 com_node(c, CHILD(n, 6));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3130 com_backpatch(c, break_anchor);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3131 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3132
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3133 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3134 com_for_stmt(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3135 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3136 int break_anchor = 0;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3137 int anchor = 0;
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3138 int save_begin = c->c_begin;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3139 REQ(n, for_stmt);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3140 /* 'for' exprlist 'in' exprlist ':' suite ['else' ':' suite] */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3141 com_addfwref(c, SETUP_LOOP, &break_anchor);
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3142 block_push(c, SETUP_LOOP);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3143 com_node(c, CHILD(n, 3));
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17518
diff changeset
3144 com_addbyte(c, GET_ITER);
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3145 c->c_begin = c->c_nexti;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3146 com_addoparg(c, SET_LINENO, n->n_lineno);
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17518
diff changeset
3147 com_addfwref(c, FOR_ITER, &anchor);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3148 com_push(c, 1);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
3149 com_assign(c, CHILD(n, 1), OP_ASSIGN, NULL);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3150 c->c_loops++;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3151 com_node(c, CHILD(n, 5));
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3152 c->c_loops--;
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3153 com_addoparg(c, JUMP_ABSOLUTE, c->c_begin);
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3154 c->c_begin = save_begin;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3155 com_backpatch(c, anchor);
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17518
diff changeset
3156 com_pop(c, 1); /* FOR_ITER has popped this */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3157 com_addbyte(c, POP_BLOCK);
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3158 block_pop(c, SETUP_LOOP);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3159 if (NCH(n) > 8)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3160 com_node(c, CHILD(n, 8));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3161 com_backpatch(c, break_anchor);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3162 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3163
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3164 /* Code generated for "try: S finally: Sf" is as follows:
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3165
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3166 SETUP_FINALLY L
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3167 <code for S>
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3168 POP_BLOCK
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3169 LOAD_CONST <nil>
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3170 L: <code for Sf>
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3171 END_FINALLY
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3172
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3173 The special instructions use the block stack. Each block
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3174 stack entry contains the instruction that created it (here
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3175 SETUP_FINALLY), the level of the value stack at the time the
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3176 block stack entry was created, and a label (here L).
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3177
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3178 SETUP_FINALLY:
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3179 Pushes the current value stack level and the label
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3180 onto the block stack.
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3181 POP_BLOCK:
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3182 Pops en entry from the block stack, and pops the value
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3183 stack until its level is the same as indicated on the
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3184 block stack. (The label is ignored.)
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3185 END_FINALLY:
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3186 Pops a variable number of entries from the *value* stack
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3187 and re-raises the exception they specify. The number of
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3188 entries popped depends on the (pseudo) exception type.
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3189
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3190 The block stack is unwound when an exception is raised:
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3191 when a SETUP_FINALLY entry is found, the exception is pushed
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3192 onto the value stack (and the exception condition is cleared),
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3193 and the interpreter jumps to the label gotten from the block
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3194 stack.
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3195
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3196 Code generated for "try: S except E1, V1: S1 except E2, V2: S2 ...":
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3197 (The contents of the value stack is shown in [], with the top
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3198 at the right; 'tb' is trace-back info, 'val' the exception's
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3199 associated value, and 'exc' the exception.)
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3200
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3201 Value stack Label Instruction Argument
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3202 [] SETUP_EXCEPT L1
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3203 [] <code for S>
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3204 [] POP_BLOCK
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3205 [] JUMP_FORWARD L0
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3206
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3207 [tb, val, exc] L1: DUP )
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3208 [tb, val, exc, exc] <evaluate E1> )
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3209 [tb, val, exc, exc, E1] COMPARE_OP EXC_MATCH ) only if E1
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3210 [tb, val, exc, 1-or-0] JUMP_IF_FALSE L2 )
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3211 [tb, val, exc, 1] POP )
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3212 [tb, val, exc] POP
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3213 [tb, val] <assign to V1> (or POP if no V1)
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3214 [tb] POP
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3215 [] <code for S1>
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3216 JUMP_FORWARD L0
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3217
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3218 [tb, val, exc, 0] L2: POP
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3219 [tb, val, exc] DUP
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3220 .............................etc.......................
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3221
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3222 [tb, val, exc, 0] Ln+1: POP
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3223 [tb, val, exc] END_FINALLY # re-raise exception
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3224
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3225 [] L0: <next statement>
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3226
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3227 Of course, parts are not generated if Vi or Ei is not present.
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3228 */
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3229
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3230 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3231 com_try_except(struct compiling *c, node *n)
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3232 {
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3233 int except_anchor = 0;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3234 int end_anchor = 0;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3235 int else_anchor = 0;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3236 int i;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3237 node *ch;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3238
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3239 com_addfwref(c, SETUP_EXCEPT, &except_anchor);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3240 block_push(c, SETUP_EXCEPT);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3241 com_node(c, CHILD(n, 2));
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3242 com_addbyte(c, POP_BLOCK);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3243 block_pop(c, SETUP_EXCEPT);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3244 com_addfwref(c, JUMP_FORWARD, &else_anchor);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3245 com_backpatch(c, except_anchor);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3246 for (i = 3;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3247 i < NCH(n) && TYPE(ch = CHILD(n, i)) == except_clause;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3248 i += 3) {
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3249 /* except_clause: 'except' [expr [',' var]] */
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3250 if (except_anchor == 0) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3251 com_error(c, PyExc_SyntaxError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
3252 "default 'except:' must be last");
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3253 break;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3254 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3255 except_anchor = 0;
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3256 com_push(c, 3); /* tb, val, exc pushed by exception */
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3257 com_addoparg(c, SET_LINENO, ch->n_lineno);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3258 if (NCH(ch) > 1) {
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3259 com_addbyte(c, DUP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3260 com_push(c, 1);
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3261 com_node(c, CHILD(ch, 1));
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3262 com_addoparg(c, COMPARE_OP, EXC_MATCH);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3263 com_pop(c, 1);
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3264 com_addfwref(c, JUMP_IF_FALSE, &except_anchor);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3265 com_addbyte(c, POP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3266 com_pop(c, 1);
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3267 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3268 com_addbyte(c, POP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3269 com_pop(c, 1);
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3270 if (NCH(ch) > 3)
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
3271 com_assign(c, CHILD(ch, 3), OP_ASSIGN, NULL);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3272 else {
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3273 com_addbyte(c, POP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3274 com_pop(c, 1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3275 }
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3276 com_addbyte(c, POP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3277 com_pop(c, 1);
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3278 com_node(c, CHILD(n, i+2));
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3279 com_addfwref(c, JUMP_FORWARD, &end_anchor);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3280 if (except_anchor) {
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3281 com_backpatch(c, except_anchor);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3282 /* We come in with [tb, val, exc, 0] on the
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3283 stack; one pop and it's the same as
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3284 expected at the start of the loop */
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3285 com_addbyte(c, POP_TOP);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3286 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3287 }
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3288 /* We actually come in here with [tb, val, exc] but the
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3289 END_FINALLY will zap those and jump around.
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3290 The c_stacklevel does not reflect them so we need not pop
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3291 anything. */
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3292 com_addbyte(c, END_FINALLY);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3293 com_backpatch(c, else_anchor);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3294 if (i < NCH(n))
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3295 com_node(c, CHILD(n, i+2));
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3296 com_backpatch(c, end_anchor);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3297 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3298
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3299 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3300 com_try_finally(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3301 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3302 int finally_anchor = 0;
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3303 node *ch;
792
dc3b455f7632 Only * can be used for varargs argument lists
Guido van Rossum <guido@python.org>
parents: 744
diff changeset
3304
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3305 com_addfwref(c, SETUP_FINALLY, &finally_anchor);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3306 block_push(c, SETUP_FINALLY);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3307 com_node(c, CHILD(n, 2));
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3308 com_addbyte(c, POP_BLOCK);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3309 block_pop(c, SETUP_FINALLY);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3310 block_push(c, END_FINALLY);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3311 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_None));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3312 /* While the generated code pushes only one item,
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3313 the try-finally handling can enter here with
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3314 up to three items. OK, here are the details:
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3315 3 for an exception, 2 for RETURN, 1 for BREAK. */
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3316 com_push(c, 3);
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3317 com_backpatch(c, finally_anchor);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3318 ch = CHILD(n, NCH(n)-1);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3319 com_addoparg(c, SET_LINENO, ch->n_lineno);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3320 com_node(c, ch);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3321 com_addbyte(c, END_FINALLY);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3322 block_pop(c, END_FINALLY);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3323 com_pop(c, 3); /* Matches the com_push above */
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3324 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3325
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3326 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3327 com_try_stmt(struct compiling *c, node *n)
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3328 {
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3329 REQ(n, try_stmt);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3330 /* 'try' ':' suite (except_clause ':' suite)+ ['else' ':' suite]
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3331 | 'try' ':' suite 'finally' ':' suite */
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3332 if (TYPE(CHILD(n, 3)) != except_clause)
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3333 com_try_finally(c, n);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3334 else
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3335 com_try_except(c, n);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3336 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3337
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3338 static node *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3339 get_rawdocstring(node *n)
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3340 {
2241
fefae37c053c added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents: 2203
diff changeset
3341 int i;
fefae37c053c added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents: 2203
diff changeset
3342
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3343 /* Label to avoid tail recursion */
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3344 next:
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3345 switch (TYPE(n)) {
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3346
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3347 case suite:
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3348 if (NCH(n) == 1) {
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3349 n = CHILD(n, 0);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3350 goto next;
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3351 }
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3352 /* Fall through */
2241
fefae37c053c added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents: 2203
diff changeset
3353 case file_input:
fefae37c053c added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents: 2203
diff changeset
3354 for (i = 0; i < NCH(n); i++) {
fefae37c053c added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents: 2203
diff changeset
3355 node *ch = CHILD(n, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3356 if (TYPE(ch) == stmt) {
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3357 n = ch;
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3358 goto next;
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3359 }
2241
fefae37c053c added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents: 2203
diff changeset
3360 }
fefae37c053c added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents: 2203
diff changeset
3361 break;
fefae37c053c added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents: 2203
diff changeset
3362
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3363 case stmt:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3364 case simple_stmt:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3365 case small_stmt:
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3366 n = CHILD(n, 0);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3367 goto next;
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3368
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3369 case expr_stmt:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3370 case testlist:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3371 case test:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3372 case and_test:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3373 case not_test:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3374 case comparison:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3375 case expr:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3376 case xor_expr:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3377 case and_expr:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3378 case shift_expr:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3379 case arith_expr:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3380 case term:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3381 case factor:
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
3382 case power:
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3383 if (NCH(n) == 1) {
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3384 n = CHILD(n, 0);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3385 goto next;
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3386 }
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3387 break;
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3388
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3389 case atom:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3390 if (TYPE(CHILD(n, 0)) == STRING)
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3391 return n;
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3392 break;
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3393
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3394 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3395 return NULL;
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3396 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3397
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3398 static PyObject *
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
3399 get_docstring(struct compiling *c, node *n)
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3400 {
9987
b7bcc2cda1b3 Implement -OO; "unsafe" optimization that removes docstrings.
Guido van Rossum <guido@python.org>
parents: 9626
diff changeset
3401 /* Don't generate doc-strings if run with -OO */
b7bcc2cda1b3 Implement -OO; "unsafe" optimization that removes docstrings.
Guido van Rossum <guido@python.org>
parents: 9626
diff changeset
3402 if (Py_OptimizeFlag > 1)
b7bcc2cda1b3 Implement -OO; "unsafe" optimization that removes docstrings.
Guido van Rossum <guido@python.org>
parents: 9626
diff changeset
3403 return NULL;
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3404 n = get_rawdocstring(n);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3405 if (n == NULL)
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3406 return NULL;
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
3407 return parsestrplus(c, n);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3408 }
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3409
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3410 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3411 com_suite(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3412 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3413 REQ(n, suite);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3414 /* simple_stmt | NEWLINE INDENT NEWLINE* (stmt NEWLINE*)+ DEDENT */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3415 if (NCH(n) == 1) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3416 com_node(c, CHILD(n, 0));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3417 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3418 else {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3419 int i;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
3420 for (i = 0; i < NCH(n) && c->c_errors == 0; i++) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3421 node *ch = CHILD(n, i);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3422 if (TYPE(ch) == stmt)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3423 com_node(c, ch);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3424 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3425 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3426 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3427
744
834dd4a77ee2 fix what lint found
Guido van Rossum <guido@python.org>
parents: 703
diff changeset
3428 /* ARGSUSED */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3429 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3430 com_continue_stmt(struct compiling *c, node *n)
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3431 {
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3432 int i = c->c_nblocks;
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3433 if (i-- > 0 && c->c_block[i] == SETUP_LOOP) {
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3434 com_addoparg(c, JUMP_ABSOLUTE, c->c_begin);
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3435 }
14471
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3436 else if (i <= 0) {
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3437 /* at the outer level */
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3438 com_error(c, PyExc_SyntaxError,
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3439 "'continue' not properly in loop");
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3440 }
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3441 else {
14471
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3442 int j;
16398
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3443 for (j = i-1; j >= 0; --j) {
14471
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3444 if (c->c_block[j] == SETUP_LOOP)
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3445 break;
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3446 }
16398
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3447 if (j >= 0) {
14471
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3448 /* there is a loop, but something interferes */
16398
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3449 for (; i > j; --i) {
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3450 if (c->c_block[i] == SETUP_EXCEPT ||
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3451 c->c_block[i] == SETUP_FINALLY) {
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3452 com_addoparg(c, CONTINUE_LOOP,
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3453 c->c_begin);
14471
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3454 return;
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3455 }
16398
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3456 if (c->c_block[i] == END_FINALLY) {
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3457 com_error(c, PyExc_SyntaxError,
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3458 "'continue' not supported inside 'finally' clause");
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3459 return;
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3460 }
14471
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3461 }
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3462 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3463 com_error(c, PyExc_SyntaxError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3464 "'continue' not properly in loop");
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3465 }
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3466 /* XXX Could allow it inside a 'finally' clause
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3467 XXX if we could pop the exception still on the stack */
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3468 }
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3469
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3470 static int
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3471 com_argdefs(struct compiling *c, node *n)
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3472 {
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3473 int i, nch, nargs, ndefs;
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3474 if (TYPE(n) == lambdef) {
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3475 /* lambdef: 'lambda' [varargslist] ':' test */
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3476 n = CHILD(n, 1);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3477 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3478 else {
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3479 REQ(n, funcdef); /* funcdef: 'def' NAME parameters ... */
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3480 n = CHILD(n, 2);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3481 REQ(n, parameters); /* parameters: '(' [varargslist] ')' */
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3482 n = CHILD(n, 1);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3483 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3484 if (TYPE(n) != varargslist)
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3485 return 0;
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3486 /* varargslist:
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3487 (fpdef ['=' test] ',')* '*' ....... |
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3488 fpdef ['=' test] (',' fpdef ['=' test])* [','] */
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3489 nch = NCH(n);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3490 nargs = 0;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3491 ndefs = 0;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3492 for (i = 0; i < nch; i++) {
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3493 int t;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3494 if (TYPE(CHILD(n, i)) == STAR ||
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3495 TYPE(CHILD(n, i)) == DOUBLESTAR)
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
3496 break;
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3497 nargs++;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3498 i++;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3499 if (i >= nch)
3103
e51e17b2d88b fix bug with missing default for last arg (discovered by Tommy Burnette)
Guido van Rossum <guido@python.org>
parents: 2844
diff changeset
3500 t = RPAR; /* Anything except EQUAL or COMMA */
e51e17b2d88b fix bug with missing default for last arg (discovered by Tommy Burnette)
Guido van Rossum <guido@python.org>
parents: 2844
diff changeset
3501 else
e51e17b2d88b fix bug with missing default for last arg (discovered by Tommy Burnette)
Guido van Rossum <guido@python.org>
parents: 2844
diff changeset
3502 t = TYPE(CHILD(n, i));
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3503 if (t == EQUAL) {
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3504 i++;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3505 ndefs++;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3506 com_node(c, CHILD(n, i));
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3507 i++;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3508 if (i >= nch)
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3509 break;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3510 t = TYPE(CHILD(n, i));
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3511 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3512 else {
9214
c259c3c4d0cc Treat def f(a, b=1, c): ... as an error (missing default for c)
Guido van Rossum <guido@python.org>
parents: 9049
diff changeset
3513 /* Treat "(a=1, b)" as an error */
c259c3c4d0cc Treat def f(a, b=1, c): ... as an error (missing default for c)
Guido van Rossum <guido@python.org>
parents: 9049
diff changeset
3514 if (ndefs)
c259c3c4d0cc Treat def f(a, b=1, c): ... as an error (missing default for c)
Guido van Rossum <guido@python.org>
parents: 9049
diff changeset
3515 com_error(c, PyExc_SyntaxError,
9215
1995cdbe3384 Eh, better error message for the previous change. It now says
Guido van Rossum <guido@python.org>
parents: 9214
diff changeset
3516 "non-default argument follows default argument");
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3517 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3518 if (t != COMMA)
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3519 break;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3520 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3521 return ndefs;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3522 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3523
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3524 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3525 com_funcdef(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3526 {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3527 PyObject *co;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3528 int ndefs;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3529 REQ(n, funcdef); /* funcdef: 'def' NAME parameters ':' suite */
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3530 ndefs = com_argdefs(c, n);
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
3531 symtable_enter_scope(c->c_symtable, STR(CHILD(n, 1)), TYPE(n),
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
3532 n->n_lineno);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3533 co = (PyObject *)icompile(n, c);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3534 symtable_exit_scope(c->c_symtable);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3535 if (co == NULL)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3536 c->c_errors++;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3537 else {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3538 int closure = com_make_closure(c, (PyCodeObject *)co);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3539 int i = com_addconst(c, co);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3540 com_addoparg(c, LOAD_CONST, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3541 com_push(c, 1);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3542 if (closure)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3543 com_addoparg(c, MAKE_CLOSURE, ndefs);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3544 else
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3545 com_addoparg(c, MAKE_FUNCTION, ndefs);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3546 com_pop(c, ndefs);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3547 com_addop_varname(c, VAR_STORE, STR(CHILD(n, 1)));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3548 com_pop(c, 1);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3549 Py_DECREF(co);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3550 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3551 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3552
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3553 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3554 com_bases(struct compiling *c, node *n)
466
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3555 {
744
834dd4a77ee2 fix what lint found
Guido van Rossum <guido@python.org>
parents: 703
diff changeset
3556 int i;
466
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3557 REQ(n, testlist);
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3558 /* testlist: test (',' test)* [','] */
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3559 for (i = 0; i < NCH(n); i += 2)
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3560 com_node(c, CHILD(n, i));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3561 i = (NCH(n)+1) / 2;
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3562 com_addoparg(c, BUILD_TUPLE, i);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3563 com_pop(c, i-1);
466
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3564 }
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3565
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3566 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3567 com_classdef(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3568 {
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3569 int i;
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
3570 PyObject *v;
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
3571 PyCodeObject *co;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3572 char *name;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3573
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3574 REQ(n, classdef);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3575 /* classdef: class NAME ['(' testlist ')'] ':' suite */
5009
402e36c83d20 Intern all names and varnames in newcodeobject(), plus those string
Guido van Rossum <guido@python.org>
parents: 4991
diff changeset
3576 if ((v = PyString_InternFromString(STR(CHILD(n, 1)))) == NULL) {
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3577 c->c_errors++;
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3578 return;
466
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3579 }
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3580 /* Push the class name on the stack */
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3581 i = com_addconst(c, v);
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3582 com_addoparg(c, LOAD_CONST, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3583 com_push(c, 1);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3584 Py_DECREF(v);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3585 /* Push the tuple of base classes on the stack */
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3586 if (TYPE(CHILD(n, 2)) != LPAR) {
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3587 com_addoparg(c, BUILD_TUPLE, 0);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3588 com_push(c, 1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3589 }
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3590 else
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3591 com_bases(c, CHILD(n, 3));
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3592 name = STR(CHILD(n, 1));
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
3593 symtable_enter_scope(c->c_symtable, name, TYPE(n), n->n_lineno);
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
3594 co = icompile(n, c);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3595 symtable_exit_scope(c->c_symtable);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3596 if (co == NULL)
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3597 c->c_errors++;
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3598 else {
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
3599 int closure = com_make_closure(c, co);
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
3600 i = com_addconst(c, (PyObject *)co);
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3601 com_addoparg(c, LOAD_CONST, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3602 com_push(c, 1);
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
3603 if (closure) {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3604 com_addoparg(c, MAKE_CLOSURE, 0);
21398
de125792bfaa Fix for SF bug [ #492403 ] exec() segfaults on closure's func_code
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 21179
diff changeset
3605 com_pop(c, PyCode_GetNumFree(co));
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
3606 } else
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3607 com_addoparg(c, MAKE_FUNCTION, 0);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3608 com_addoparg(c, CALL_FUNCTION, 0);
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3609 com_addbyte(c, BUILD_CLASS);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3610 com_pop(c, 2);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3611 com_addop_varname(c, VAR_STORE, STR(CHILD(n, 1)));
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
3612 com_pop(c, 1);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3613 Py_DECREF(co);
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3614 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3615 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3616
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3617 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3618 com_node(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3619 {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3620 loop:
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
3621 if (c->c_errors)
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
3622 return;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3623 switch (TYPE(n)) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3624
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3625 /* Definition nodes */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3626
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3627 case funcdef:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3628 com_funcdef(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3629 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3630 case classdef:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3631 com_classdef(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3632 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3633
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3634 /* Trivial parse tree nodes */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3635
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3636 case stmt:
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3637 case small_stmt:
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3638 case flow_stmt:
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3639 n = CHILD(n, 0);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3640 goto loop;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3641
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3642 case simple_stmt:
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3643 /* small_stmt (';' small_stmt)* [';'] NEWLINE */
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3644 com_addoparg(c, SET_LINENO, n->n_lineno);
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3645 {
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3646 int i;
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3647 for (i = 0; i < NCH(n)-1; i += 2)
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3648 com_node(c, CHILD(n, i));
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3649 }
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3650 break;
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3651
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3652 case compound_stmt:
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3653 com_addoparg(c, SET_LINENO, n->n_lineno);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3654 n = CHILD(n, 0);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3655 goto loop;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3656
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3657 /* Statement nodes */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3658
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3659 case expr_stmt:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3660 com_expr_stmt(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3661 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3662 case print_stmt:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3663 com_print_stmt(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3664 break;
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3665 case del_stmt: /* 'del' exprlist */
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
3666 com_assign(c, CHILD(n, 1), OP_DELETE, NULL);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3667 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3668 case pass_stmt:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3669 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3670 case break_stmt:
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3671 if (c->c_loops == 0) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3672 com_error(c, PyExc_SyntaxError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3673 "'break' outside loop");
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3674 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3675 com_addbyte(c, BREAK_LOOP);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3676 break;
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3677 case continue_stmt:
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3678 com_continue_stmt(c, n);
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3679 break;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3680 case return_stmt:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3681 com_return_stmt(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3682 break;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
3683 case yield_stmt:
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
3684 com_yield_stmt(c, n);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
3685 break;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3686 case raise_stmt:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3687 com_raise_stmt(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3688 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3689 case import_stmt:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3690 com_import_stmt(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3691 break;
466
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3692 case global_stmt:
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3693 break;
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
3694 case exec_stmt:
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
3695 com_exec_stmt(c, n);
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
3696 break;
5233
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
3697 case assert_stmt:
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
3698 com_assert_stmt(c, n);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
3699 break;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3700 case if_stmt:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3701 com_if_stmt(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3702 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3703 case while_stmt:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3704 com_while_stmt(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3705 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3706 case for_stmt:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3707 com_for_stmt(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3708 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3709 case try_stmt:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3710 com_try_stmt(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3711 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3712 case suite:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3713 com_suite(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3714 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3715
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3716 /* Expression nodes */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3717
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3718 case testlist:
20432
56141b86a7f2 Very subtle syntax change: in a list comprehension, the testlist in
Guido van Rossum <guido@python.org>
parents: 20012
diff changeset
3719 case testlist_safe:
482
ee899a81570d New argument passing.
Guido van Rossum <guido@python.org>
parents: 466
diff changeset
3720 com_list(c, n, 0);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3721 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3722 case test:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3723 com_test(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3724 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3725 case and_test:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3726 com_and_test(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3727 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3728 case not_test:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3729 com_not_test(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3730 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3731 case comparison:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3732 com_comparison(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3733 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3734 case exprlist:
482
ee899a81570d New argument passing.
Guido van Rossum <guido@python.org>
parents: 466
diff changeset
3735 com_list(c, n, 0);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3736 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3737 case expr:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3738 com_expr(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3739 break;
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3740 case xor_expr:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3741 com_xor_expr(c, n);
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3742 break;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3743 case and_expr:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3744 com_and_expr(c, n);
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3745 break;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3746 case shift_expr:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3747 com_shift_expr(c, n);
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3748 break;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3749 case arith_expr:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3750 com_arith_expr(c, n);
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3751 break;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3752 case term:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3753 com_term(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3754 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3755 case factor:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3756 com_factor(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3757 break;
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
3758 case power:
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
3759 com_power(c, n);
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
3760 break;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3761 case atom:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3762 com_atom(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3763 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3764
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3765 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3766 com_error(c, PyExc_SystemError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3767 "com_node: unexpected node type");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3768 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3769 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3770
13447
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
3771 static void com_fplist(struct compiling *, node *);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3772
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3773 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3774 com_fpdef(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3775 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3776 REQ(n, fpdef); /* fpdef: NAME | '(' fplist ')' */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3777 if (TYPE(CHILD(n, 0)) == LPAR)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3778 com_fplist(c, CHILD(n, 1));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3779 else {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3780 com_addop_varname(c, VAR_STORE, STR(CHILD(n, 0)));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3781 com_pop(c, 1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3782 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3783 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3784
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3785 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3786 com_fplist(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3787 {
544
d0baa8300005 Minor changes.
Guido van Rossum <guido@python.org>
parents: 493
diff changeset
3788 REQ(n, fplist); /* fplist: fpdef (',' fpdef)* [','] */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3789 if (NCH(n) == 1) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3790 com_fpdef(c, CHILD(n, 0));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3791 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3792 else {
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3793 int i = (NCH(n)+1)/2;
13930
4eaa463c031a Merge UNPACK_LIST and UNPACK_TUPLE into a single UNPACK_SEQUENCE, since they
Thomas Wouters <thomas@python.org>
parents: 13884
diff changeset
3794 com_addoparg(c, UNPACK_SEQUENCE, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3795 com_push(c, i-1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3796 for (i = 0; i < NCH(n); i += 2)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3797 com_fpdef(c, CHILD(n, i));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3798 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3799 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3800
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3801 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3802 com_arglist(struct compiling *c, node *n)
584
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3803 {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3804 int nch, i, narg;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3805 int complex = 0;
21086
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
3806 char nbuf[30];
584
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3807 REQ(n, varargslist);
617
755bb8efcc2d Use strtoul() for oct/hex constants.
Guido van Rossum <guido@python.org>
parents: 584
diff changeset
3808 /* varargslist:
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3809 (fpdef ['=' test] ',')* (fpdef ['=' test] | '*' .....) */
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3810 nch = NCH(n);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3811 /* Enter all arguments in table of locals */
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3812 for (i = 0, narg = 0; i < nch; i++) {
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3813 node *ch = CHILD(n, i);
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3814 node *fp;
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
3815 if (TYPE(ch) == STAR || TYPE(ch) == DOUBLESTAR)
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
3816 break;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3817 REQ(ch, fpdef); /* fpdef: NAME | '(' fplist ')' */
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3818 fp = CHILD(ch, 0);
17104
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
3819 if (TYPE(fp) != NAME) {
21086
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
3820 PyOS_snprintf(nbuf, sizeof(nbuf), ".%d", i);
3766
516490c8192c Py_complex; and WITHOUT_COMPLEX added to getargs.c
Guido van Rossum <guido@python.org>
parents: 3366
diff changeset
3821 complex = 1;
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
3822 }
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3823 narg++;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3824 /* all name updates handled by symtable */
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3825 if (++i >= nch)
584
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3826 break;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3827 ch = CHILD(n, i);
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3828 if (TYPE(ch) == EQUAL)
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3829 i += 2;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3830 else
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3831 REQ(ch, COMMA);
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3832 }
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3833 if (complex) {
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3834 /* Generate code for complex arguments only after
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3835 having counted the simple arguments */
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3836 int ilocal = 0;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3837 for (i = 0; i < nch; i++) {
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3838 node *ch = CHILD(n, i);
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3839 node *fp;
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
3840 if (TYPE(ch) == STAR || TYPE(ch) == DOUBLESTAR)
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3841 break;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3842 REQ(ch, fpdef); /* fpdef: NAME | '(' fplist ')' */
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3843 fp = CHILD(ch, 0);
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3844 if (TYPE(fp) != NAME) {
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3845 com_addoparg(c, LOAD_FAST, ilocal);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3846 com_push(c, 1);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3847 com_fpdef(c, ch);
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3848 }
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3849 ilocal++;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3850 if (++i >= nch)
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3851 break;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3852 ch = CHILD(n, i);
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3853 if (TYPE(ch) == EQUAL)
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3854 i += 2;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3855 else
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3856 REQ(ch, COMMA);
584
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3857 }
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3858 }
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3859 }
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3860
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3861 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3862 com_file_input(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3863 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3864 int i;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3865 PyObject *doc;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3866 REQ(n, file_input); /* (NEWLINE | stmt)* ENDMARKER */
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
3867 doc = get_docstring(c, n);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3868 if (doc != NULL) {
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3869 int i = com_addconst(c, doc);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3870 Py_DECREF(doc);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3871 com_addoparg(c, LOAD_CONST, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3872 com_push(c, 1);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3873 com_addop_name(c, STORE_NAME, "__doc__");
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3874 com_pop(c, 1);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3875 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3876 for (i = 0; i < NCH(n); i++) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3877 node *ch = CHILD(n, i);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3878 if (TYPE(ch) != ENDMARKER && TYPE(ch) != NEWLINE)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3879 com_node(c, ch);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3880 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3881 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3882
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3883 /* Top-level compile-node interface */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3884
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3885 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3886 compile_funcdef(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3887 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3888 PyObject *doc;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3889 node *ch;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3890 REQ(n, funcdef); /* funcdef: 'def' NAME parameters ':' suite */
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1029
diff changeset
3891 c->c_name = STR(CHILD(n, 1));
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
3892 doc = get_docstring(c, CHILD(n, 4));
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3893 if (doc != NULL) {
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3894 (void) com_addconst(c, doc);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3895 Py_DECREF(doc);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3896 }
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3897 else
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3898 (void) com_addconst(c, Py_None); /* No docstring */
584
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3899 ch = CHILD(n, 2); /* parameters: '(' [varargslist] ')' */
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3900 ch = CHILD(ch, 1); /* ')' | varargslist */
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3901 if (TYPE(ch) == varargslist)
584
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3902 com_arglist(c, ch);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3903 c->c_infunction = 1;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3904 com_node(c, CHILD(n, 4));
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3905 c->c_infunction = 0;
18243
47717e5667eb Change the semantics of "return" in generators, as discussed on the
Tim Peters <tim.peters@gmail.com>
parents: 18228
diff changeset
3906 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_None));
47717e5667eb Change the semantics of "return" in generators, as discussed on the
Tim Peters <tim.peters@gmail.com>
parents: 18228
diff changeset
3907 com_push(c, 1);
47717e5667eb Change the semantics of "return" in generators, as discussed on the
Tim Peters <tim.peters@gmail.com>
parents: 18228
diff changeset
3908 com_addbyte(c, RETURN_VALUE);
47717e5667eb Change the semantics of "return" in generators, as discussed on the
Tim Peters <tim.peters@gmail.com>
parents: 18228
diff changeset
3909 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3910 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3911
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3912 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3913 compile_lambdef(struct compiling *c, node *n)
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1364
diff changeset
3914 {
1415
06570429f062 * import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents: 1405
diff changeset
3915 node *ch;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3916 REQ(n, lambdef); /* lambdef: 'lambda' [varargslist] ':' test */
2005
ed5d0ad5ea2f set name to <lambda> instead of None for lambdas
Guido van Rossum <guido@python.org>
parents: 1833
diff changeset
3917 c->c_name = "<lambda>";
1415
06570429f062 * import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents: 1405
diff changeset
3918
06570429f062 * import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents: 1405
diff changeset
3919 ch = CHILD(n, 1);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3920 (void) com_addconst(c, Py_None); /* No docstring */
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3921 if (TYPE(ch) == varargslist) {
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3922 com_arglist(c, ch);
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3923 ch = CHILD(n, 3);
1415
06570429f062 * import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents: 1405
diff changeset
3924 }
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3925 else
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3926 ch = CHILD(n, 2);
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3927 com_node(c, ch);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1364
diff changeset
3928 com_addbyte(c, RETURN_VALUE);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3929 com_pop(c, 1);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1364
diff changeset
3930 }
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1364
diff changeset
3931
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1364
diff changeset
3932 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3933 compile_classdef(struct compiling *c, node *n)
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3934 {
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3935 node *ch;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3936 PyObject *doc;
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3937 REQ(n, classdef);
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3938 /* classdef: 'class' NAME ['(' testlist ')'] ':' suite */
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3939 c->c_name = STR(CHILD(n, 1));
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
3940 c->c_private = c->c_name;
21831
4f54e9a2976e It's merge time! (well, this is the last one for the moment)
Michael W. Hudson <mwh@python.net>
parents: 21398
diff changeset
3941 /* Initialize local __module__ from global __name__ */
4f54e9a2976e It's merge time! (well, this is the last one for the moment)
Michael W. Hudson <mwh@python.net>
parents: 21398
diff changeset
3942 com_addop_name(c, LOAD_GLOBAL, "__name__");
4f54e9a2976e It's merge time! (well, this is the last one for the moment)
Michael W. Hudson <mwh@python.net>
parents: 21398
diff changeset
3943 com_addop_name(c, STORE_NAME, "__module__");
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3944 ch = CHILD(n, NCH(n)-1); /* The suite */
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
3945 doc = get_docstring(c, ch);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3946 if (doc != NULL) {
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3947 int i = com_addconst(c, doc);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3948 Py_DECREF(doc);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3949 com_addoparg(c, LOAD_CONST, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3950 com_push(c, 1);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3951 com_addop_name(c, STORE_NAME, "__doc__");
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3952 com_pop(c, 1);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3953 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3954 else
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3955 (void) com_addconst(c, Py_None);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3956 com_node(c, ch);
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3957 com_addbyte(c, LOAD_LOCALS);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3958 com_push(c, 1);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3959 com_addbyte(c, RETURN_VALUE);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3960 com_pop(c, 1);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3961 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3962
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3963 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3964 compile_node(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3965 {
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3966 com_addoparg(c, SET_LINENO, n->n_lineno);
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3967
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3968 switch (TYPE(n)) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3969
120
c9a5fe1660f5 Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
3970 case single_input: /* One interactive command */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3971 /* NEWLINE | simple_stmt | compound_stmt NEWLINE */
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3972 c->c_interactive++;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3973 n = CHILD(n, 0);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3974 if (TYPE(n) != NEWLINE)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3975 com_node(c, n);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3976 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_None));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3977 com_push(c, 1);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3978 com_addbyte(c, RETURN_VALUE);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3979 com_pop(c, 1);
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3980 c->c_interactive--;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3981 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3982
120
c9a5fe1660f5 Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
3983 case file_input: /* A whole file, or built-in function exec() */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3984 com_file_input(c, n);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3985 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_None));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3986 com_push(c, 1);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3987 com_addbyte(c, RETURN_VALUE);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3988 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3989 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3990
1415
06570429f062 * import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents: 1405
diff changeset
3991 case eval_input: /* Built-in function input() */
120
c9a5fe1660f5 Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
3992 com_node(c, CHILD(n, 0));
c9a5fe1660f5 Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
3993 com_addbyte(c, RETURN_VALUE);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3994 com_pop(c, 1);
120
c9a5fe1660f5 Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
3995 break;
c9a5fe1660f5 Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
3996
1415
06570429f062 * import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents: 1405
diff changeset
3997 case lambdef: /* anonymous function definition */
06570429f062 * import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents: 1405
diff changeset
3998 compile_lambdef(c, n);
06570429f062 * import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents: 1405
diff changeset
3999 break;
06570429f062 * import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents: 1405
diff changeset
4000
120
c9a5fe1660f5 Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
4001 case funcdef: /* A function definition */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4002 compile_funcdef(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4003 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4004
120
c9a5fe1660f5 Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
4005 case classdef: /* A class definition */
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
4006 compile_classdef(c, n);
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
4007 break;
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
4008
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4009 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4010 com_error(c, PyExc_SystemError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
4011 "compile_node: unexpected node type");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4012 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4013 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4014
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4015 static PyObject *
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4016 dict_keys_inorder(PyObject *dict, int offset)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4017 {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4018 PyObject *tuple, *k, *v;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4019 int i, pos = 0, size = PyDict_Size(dict);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4020
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4021 tuple = PyTuple_New(size);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4022 if (tuple == NULL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4023 return NULL;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4024 while (PyDict_Next(dict, &pos, &k, &v)) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4025 i = PyInt_AS_LONG(v);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4026 Py_INCREF(k);
17078
7e181eba6b9b Fixup handling of free variables in methods when the class scope also
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17076
diff changeset
4027 assert((i - offset) < size);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4028 PyTuple_SET_ITEM(tuple, i - offset, k);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4029 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4030 return tuple;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4031 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4032
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4033 PyCodeObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
4034 PyNode_Compile(node *n, char *filename)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4035 {
16916
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4036 return PyNode_CompileFlags(n, filename, NULL);
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4037 }
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4038
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4039 PyCodeObject *
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4040 PyNode_CompileFlags(node *n, char *filename, PyCompilerFlags *flags)
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4041 {
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4042 return jcompile(n, filename, NULL, flags);
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4043 }
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4044
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4045 struct symtable *
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4046 PyNode_CompileSymtable(node *n, char *filename)
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4047 {
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4048 struct symtable *st;
17112
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
4049 PyFutureFeatures *ff;
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
4050
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
4051 ff = PyNode_Future(n, filename);
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
4052 if (ff == NULL)
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
4053 return NULL;
20867
40a88989d6cb Part of SF bug #478003 possible memory leaks in err handling.
Tim Peters <tim.peters@gmail.com>
parents: 20517
diff changeset
4054
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4055 st = symtable_init();
20867
40a88989d6cb Part of SF bug #478003 possible memory leaks in err handling.
Tim Peters <tim.peters@gmail.com>
parents: 20517
diff changeset
4056 if (st == NULL) {
40a88989d6cb Part of SF bug #478003 possible memory leaks in err handling.
Tim Peters <tim.peters@gmail.com>
parents: 20517
diff changeset
4057 PyMem_Free((void *)ff);
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4058 return NULL;
20867
40a88989d6cb Part of SF bug #478003 possible memory leaks in err handling.
Tim Peters <tim.peters@gmail.com>
parents: 20517
diff changeset
4059 }
17112
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
4060 st->st_future = ff;
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4061 symtable_enter_scope(st, TOP, TYPE(n), n->n_lineno);
17112
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
4062 if (st->st_errors > 0)
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
4063 goto fail;
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4064 symtable_node(st, n);
17112
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
4065 if (st->st_errors > 0)
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
4066 goto fail;
19177
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4067
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4068 return st;
17112
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
4069 fail:
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
4070 PyMem_Free((void *)ff);
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
4071 st->st_future = NULL;
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
4072 PySymtable_Free(st);
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
4073 return NULL;
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4074 }
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4075
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4076 static PyCodeObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
4077 icompile(node *n, struct compiling *base)
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4078 {
16916
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4079 return jcompile(n, base->c_filename, base, NULL);
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4080 }
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4081
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4082 static PyCodeObject *
16916
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4083 jcompile(node *n, char *filename, struct compiling *base,
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4084 PyCompilerFlags *flags)
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4085 {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4086 struct compiling sc;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4087 PyCodeObject *co;
1415
06570429f062 * import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents: 1405
diff changeset
4088 if (!com_init(&sc, filename))
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4089 return NULL;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4090 if (base) {
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4091 sc.c_private = base->c_private;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4092 sc.c_symtable = base->c_symtable;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4093 /* c_symtable still points to parent's symbols */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4094 if (base->c_nested
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4095 || (sc.c_symtable->st_cur->ste_type == TYPE_FUNCTION))
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4096 sc.c_nested = 1;
20491
149a65fa427c Fix computation of stack depth for classdef and closures.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20432
diff changeset
4097 sc.c_flags |= base->c_flags & PyCF_MASK;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4098 } else {
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4099 sc.c_private = NULL;
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16783
diff changeset
4100 sc.c_future = PyNode_Future(n, filename);
16916
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4101 if (sc.c_future == NULL) {
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4102 com_free(&sc);
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4103 return NULL;
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4104 }
19252
fbf1ae769306 Fix SF bug [ #450909 ] __future__.division fails at prompt
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19187
diff changeset
4105 if (flags) {
fbf1ae769306 Fix SF bug [ #450909 ] __future__.division fails at prompt
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19187
diff changeset
4106 int merged = sc.c_future->ff_features |
fbf1ae769306 Fix SF bug [ #450909 ] __future__.division fails at prompt
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19187
diff changeset
4107 flags->cf_flags;
fbf1ae769306 Fix SF bug [ #450909 ] __future__.division fails at prompt
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19187
diff changeset
4108 sc.c_future->ff_features = merged;
fbf1ae769306 Fix SF bug [ #450909 ] __future__.division fails at prompt
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19187
diff changeset
4109 flags->cf_flags = merged;
fbf1ae769306 Fix SF bug [ #450909 ] __future__.division fails at prompt
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19187
diff changeset
4110 }
16916
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4111 if (symtable_build(&sc, n) < 0) {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4112 com_free(&sc);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4113 return NULL;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4114 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4115 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4116 co = NULL;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4117 if (symtable_load_symbols(&sc) < 0) {
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4118 sc.c_errors++;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4119 goto exit;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4120 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4121 compile_node(&sc, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4122 com_done(&sc);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1029
diff changeset
4123 if (sc.c_errors == 0) {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4124 PyObject *consts, *names, *varnames, *filename, *name,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4125 *freevars, *cellvars;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4126 consts = PyList_AsTuple(sc.c_consts);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4127 names = PyList_AsTuple(sc.c_names);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4128 varnames = PyList_AsTuple(sc.c_varnames);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4129 cellvars = dict_keys_inorder(sc.c_cellvars, 0);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4130 freevars = dict_keys_inorder(sc.c_freevars,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4131 PyTuple_GET_SIZE(cellvars));
5009
402e36c83d20 Intern all names and varnames in newcodeobject(), plus those string
Guido van Rossum <guido@python.org>
parents: 4991
diff changeset
4132 filename = PyString_InternFromString(sc.c_filename);
402e36c83d20 Intern all names and varnames in newcodeobject(), plus those string
Guido van Rossum <guido@python.org>
parents: 4991
diff changeset
4133 name = PyString_InternFromString(sc.c_name);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4134 if (!PyErr_Occurred())
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4135 co = PyCode_New(sc.c_argcount,
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4136 sc.c_nlocals,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4137 sc.c_maxstacklevel,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4138 sc.c_flags,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4139 sc.c_code,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4140 consts,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4141 names,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4142 varnames,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4143 freevars,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4144 cellvars,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4145 filename,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4146 name,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4147 sc.c_firstlineno,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4148 sc.c_lnotab);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4149 Py_XDECREF(consts);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4150 Py_XDECREF(names);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4151 Py_XDECREF(varnames);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4152 Py_XDECREF(freevars);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4153 Py_XDECREF(cellvars);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4154 Py_XDECREF(filename);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4155 Py_XDECREF(name);
266
b5826bf29677 Changed and exported newcodeobject() interface, for ".pyc" files.
Guido van Rossum <guido@python.org>
parents: 238
diff changeset
4156 }
13884
8eeaff96b4c2 When returning an error from jcompile() (which is passed through by
Guido van Rossum <guido@python.org>
parents: 13873
diff changeset
4157 else if (!PyErr_Occurred()) {
8eeaff96b4c2 When returning an error from jcompile() (which is passed through by
Guido van Rossum <guido@python.org>
parents: 13873
diff changeset
4158 /* This could happen if someone called PyErr_Clear() after an
8eeaff96b4c2 When returning an error from jcompile() (which is passed through by
Guido van Rossum <guido@python.org>
parents: 13873
diff changeset
4159 error was reported above. That's not supposed to happen,
8eeaff96b4c2 When returning an error from jcompile() (which is passed through by
Guido van Rossum <guido@python.org>
parents: 13873
diff changeset
4160 but I just plugged one case and I'm not sure there can't be
8eeaff96b4c2 When returning an error from jcompile() (which is passed through by
Guido van Rossum <guido@python.org>
parents: 13873
diff changeset
4161 others. In that case, raise SystemError so that at least
8eeaff96b4c2 When returning an error from jcompile() (which is passed through by
Guido van Rossum <guido@python.org>
parents: 13873
diff changeset
4162 it gets reported instead dumping core. */
8eeaff96b4c2 When returning an error from jcompile() (which is passed through by
Guido van Rossum <guido@python.org>
parents: 13873
diff changeset
4163 PyErr_SetString(PyExc_SystemError, "lost syntax error");
8eeaff96b4c2 When returning an error from jcompile() (which is passed through by
Guido van Rossum <guido@python.org>
parents: 13873
diff changeset
4164 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4165 exit:
16753
51977af230fa Fix for bug 133489: compiler leaks memory
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16699
diff changeset
4166 if (base == NULL) {
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4167 PySymtable_Free(sc.c_symtable);
16753
51977af230fa Fix for bug 133489: compiler leaks memory
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16699
diff changeset
4168 sc.c_symtable = NULL;
51977af230fa Fix for bug 133489: compiler leaks memory
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16699
diff changeset
4169 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4170 com_free(&sc);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4171 return co;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4172 }
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4173
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4174 int
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
4175 PyCode_Addr2Line(PyCodeObject *co, int addrq)
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4176 {
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4177 int size = PyString_Size(co->co_lnotab) / 2;
11290
ccdf5dc2acf6 Tim Peters writes:
Guido van Rossum <guido@python.org>
parents: 9987
diff changeset
4178 unsigned char *p = (unsigned char*)PyString_AsString(co->co_lnotab);
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4179 int line = co->co_firstlineno;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4180 int addr = 0;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4181 while (--size >= 0) {
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4182 addr += *p++;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4183 if (addr > addrq)
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4184 break;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4185 line += *p++;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4186 }
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4187 return line;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4188 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4189
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4190 /* The test for LOCAL must come before the test for FREE in order to
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4191 handle classes where name is both local and free. The local var is
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4192 a method and the free var is a free var referenced within a method.
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4193 */
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4194
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4195 static int
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4196 get_ref_type(struct compiling *c, char *name)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4197 {
19177
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4198 char buf[350];
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4199 PyObject *v;
19177
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4200
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4201 if (PyDict_GetItemString(c->c_cellvars, name) != NULL)
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4202 return CELL;
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4203 if (PyDict_GetItemString(c->c_locals, name) != NULL)
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4204 return LOCAL;
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4205 if (PyDict_GetItemString(c->c_freevars, name) != NULL)
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4206 return FREE;
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4207 v = PyDict_GetItemString(c->c_globals, name);
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4208 if (v) {
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4209 if (v == Py_None)
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4210 return GLOBAL_EXPLICIT;
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4211 else {
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4212 return GLOBAL_IMPLICIT;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4213 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4214 }
21066
225c7dd17e37 Fixes for possible buffer overflows in sprintf() usages.
Marc-André Lemburg <mal@egenix.com>
parents: 20947
diff changeset
4215 PyOS_snprintf(buf, sizeof(buf),
19177
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4216 "unknown scope for %.100s in %.100s(%s) "
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4217 "in %s\nsymbols: %s\nlocals: %s\nglobals: %s\n",
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4218 name, c->c_name,
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4219 PyObject_REPR(c->c_symtable->st_cur->ste_id),
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4220 c->c_filename,
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4221 PyObject_REPR(c->c_symtable->st_cur->ste_symbols),
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4222 PyObject_REPR(c->c_locals),
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4223 PyObject_REPR(c->c_globals)
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4224 );
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4225
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4226 Py_FatalError(buf);
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4227 return -1;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4228 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4229
16933
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4230 /* Helper functions to issue warnings */
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4231
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4232 static int
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4233 issue_warning(char *msg, char *filename, int lineno)
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4234 {
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4235 if (PyErr_WarnExplicit(PyExc_SyntaxWarning, msg, filename,
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4236 lineno, NULL, NULL) < 0) {
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4237 if (PyErr_ExceptionMatches(PyExc_SyntaxWarning)) {
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4238 PyErr_SetString(PyExc_SyntaxError, msg);
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4239 PyErr_SyntaxLocation(filename, lineno);
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4240 }
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4241 return -1;
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4242 }
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4243 return 0;
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4244 }
16855
ec9083ac26df Let's have some sanity. Introduce a helper to issue a symbol table
Guido van Rossum <guido@python.org>
parents: 16853
diff changeset
4245
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4246 static int
16855
ec9083ac26df Let's have some sanity. Introduce a helper to issue a symbol table
Guido van Rossum <guido@python.org>
parents: 16853
diff changeset
4247 symtable_warn(struct symtable *st, char *msg)
ec9083ac26df Let's have some sanity. Introduce a helper to issue a symbol table
Guido van Rossum <guido@python.org>
parents: 16853
diff changeset
4248 {
16933
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4249 if (issue_warning(msg, st->st_filename, st->st_cur->ste_lineno) < 0) {
16855
ec9083ac26df Let's have some sanity. Introduce a helper to issue a symbol table
Guido van Rossum <guido@python.org>
parents: 16853
diff changeset
4250 st->st_errors++;
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4251 return -1;
16855
ec9083ac26df Let's have some sanity. Introduce a helper to issue a symbol table
Guido van Rossum <guido@python.org>
parents: 16853
diff changeset
4252 }
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4253 return 0;
16855
ec9083ac26df Let's have some sanity. Introduce a helper to issue a symbol table
Guido van Rossum <guido@python.org>
parents: 16853
diff changeset
4254 }
ec9083ac26df Let's have some sanity. Introduce a helper to issue a symbol table
Guido van Rossum <guido@python.org>
parents: 16853
diff changeset
4255
16831
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
4256 /* Helper function for setting lineno and filename */
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
4257
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4258 static int
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4259 symtable_build(struct compiling *c, node *n)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4260 {
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4261 if ((c->c_symtable = symtable_init()) == NULL)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4262 return -1;
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
4263 c->c_symtable->st_future = c->c_future;
16428
6496844c4a42 Fix symbol table pass to generation SyntaxError exceptions that
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16421
diff changeset
4264 c->c_symtable->st_filename = c->c_filename;
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4265 symtable_enter_scope(c->c_symtable, TOP, TYPE(n), n->n_lineno);
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4266 if (c->c_symtable->st_errors > 0)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4267 return -1;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4268 symtable_node(c->c_symtable, n);
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
4269 if (c->c_symtable->st_errors > 0)
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
4270 return -1;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4271 /* reset for second pass */
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4272 c->c_symtable->st_nscopes = 1;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4273 c->c_symtable->st_pass = 2;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4274 return 0;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4275 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4276
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4277 static int
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4278 symtable_init_compiling_symbols(struct compiling *c)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4279 {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4280 PyObject *varnames;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4281
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4282 varnames = c->c_symtable->st_cur->ste_varnames;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4283 if (varnames == NULL) {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4284 varnames = PyList_New(0);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4285 if (varnames == NULL)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4286 return -1;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4287 c->c_symtable->st_cur->ste_varnames = varnames;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4288 Py_INCREF(varnames);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4289 } else
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4290 Py_INCREF(varnames);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4291 c->c_varnames = varnames;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4292
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4293 c->c_globals = PyDict_New();
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4294 if (c->c_globals == NULL)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4295 return -1;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4296 c->c_freevars = PyDict_New();
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4297 if (c->c_freevars == NULL)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4298 return -1;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4299 c->c_cellvars = PyDict_New();
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4300 if (c->c_cellvars == NULL)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4301 return -1;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4302 return 0;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4303 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4304
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4305 struct symbol_info {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4306 int si_nlocals;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4307 int si_ncells;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4308 int si_nfrees;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4309 int si_nimplicit;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4310 };
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4311
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4312 static void
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4313 symtable_init_info(struct symbol_info *si)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4314 {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4315 si->si_nlocals = 0;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4316 si->si_ncells = 0;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4317 si->si_nfrees = 0;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4318 si->si_nimplicit = 0;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4319 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4320
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4321 static int
17637
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4322 symtable_resolve_free(struct compiling *c, PyObject *name, int flags,
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4323 struct symbol_info *si)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4324 {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4325 PyObject *dict, *v;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4326
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4327 /* Seperate logic for DEF_FREE. If it occurs in a function,
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4328 it indicates a local that we must allocate storage for (a
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4329 cell var). If it occurs in a class, then the class has a
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4330 method and a free variable with the same name.
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4331 */
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4332 if (c->c_symtable->st_cur->ste_type == TYPE_FUNCTION) {
17637
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4333 /* If it isn't declared locally, it can't be a cell. */
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4334 if (!(flags & (DEF_LOCAL | DEF_PARAM)))
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4335 return 0;
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4336 v = PyInt_FromLong(si->si_ncells++);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4337 dict = c->c_cellvars;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4338 } else {
17637
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4339 /* If it is free anyway, then there is no need to do
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4340 anything here.
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4341 */
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4342 if (is_free(flags ^ DEF_FREE_CLASS)
17702
e3f0fd38c24b Several small changes. Mostly reformatting, adding parens.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17637
diff changeset
4343 || (flags == DEF_FREE_CLASS))
17637
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4344 return 0;
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4345 v = PyInt_FromLong(si->si_nfrees++);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4346 dict = c->c_freevars;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4347 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4348 if (v == NULL)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4349 return -1;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4350 if (PyDict_SetItem(dict, name, v) < 0) {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4351 Py_DECREF(v);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4352 return -1;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4353 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4354 Py_DECREF(v);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4355 return 0;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4356 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4357
17104
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4358 /* If a variable is a cell and an argument, make sure that appears in
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4359 co_cellvars before any variable to its right in varnames.
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4360 */
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4361
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4362
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4363 static int
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4364 symtable_cellvar_offsets(PyObject **cellvars, int argcount,
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4365 PyObject *varnames, int flags)
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4366 {
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4367 PyObject *v, *w, *d, *list = NULL;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4368 int i, pos;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4369
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4370 if (flags & CO_VARARGS)
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4371 argcount++;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4372 if (flags & CO_VARKEYWORDS)
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4373 argcount++;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4374 for (i = argcount; --i >= 0; ) {
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4375 v = PyList_GET_ITEM(varnames, i);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4376 if (PyDict_GetItem(*cellvars, v)) {
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4377 if (list == NULL) {
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4378 list = PyList_New(1);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4379 if (list == NULL)
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4380 return -1;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4381 PyList_SET_ITEM(list, 0, v);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4382 Py_INCREF(v);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4383 } else
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4384 PyList_Insert(list, 0, v);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4385 }
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4386 }
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4387 if (list == NULL || PyList_GET_SIZE(list) == 0)
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4388 return 0;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4389 /* There are cellvars that are also arguments. Create a dict
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4390 to replace cellvars and put the args at the front.
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4391 */
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4392 d = PyDict_New();
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4393 for (i = PyList_GET_SIZE(list); --i >= 0; ) {
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4394 v = PyInt_FromLong(i);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4395 if (v == NULL)
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4396 goto fail;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4397 if (PyDict_SetItem(d, PyList_GET_ITEM(list, i), v) < 0)
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4398 goto fail;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4399 if (PyDict_DelItem(*cellvars, PyList_GET_ITEM(list, i)) < 0)
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4400 goto fail;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4401 }
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4402 pos = 0;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4403 i = PyList_GET_SIZE(list);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4404 Py_DECREF(list);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4405 while (PyDict_Next(*cellvars, &pos, &v, &w)) {
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4406 w = PyInt_FromLong(i++); /* don't care about the old key */
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4407 if (PyDict_SetItem(d, v, w) < 0) {
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4408 Py_DECREF(w);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4409 goto fail;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4410 }
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4411 Py_DECREF(w);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4412 }
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4413 Py_DECREF(*cellvars);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4414 *cellvars = d;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4415 return 1;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4416 fail:
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4417 Py_DECREF(d);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4418 return -1;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4419 }
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4420
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4421 static int
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4422 symtable_freevar_offsets(PyObject *freevars, int offset)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4423 {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4424 PyObject *name, *v;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4425 int pos;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4426
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4427 /* The cell vars are the first elements of the closure,
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4428 followed by the free vars. Update the offsets in
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4429 c_freevars to account for number of cellvars. */
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4430 pos = 0;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4431 while (PyDict_Next(freevars, &pos, &name, &v)) {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4432 int i = PyInt_AS_LONG(v) + offset;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4433 PyObject *o = PyInt_FromLong(i);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4434 if (o == NULL)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4435 return -1;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4436 if (PyDict_SetItem(freevars, name, o) < 0) {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4437 Py_DECREF(o);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4438 return -1;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4439 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4440 Py_DECREF(o);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4441 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4442 return 0;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4443 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4444
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4445 static int
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4446 symtable_check_unoptimized(struct compiling *c,
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4447 PySymtableEntryObject *ste,
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4448 struct symbol_info *si)
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4449 {
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4450 char buf[300];
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4451
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4452 if (!(si->si_ncells || si->si_nfrees || ste->ste_child_free
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4453 || (ste->ste_nested && si->si_nimplicit)))
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4454 return 0;
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4455
17131
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4456 #define ILLEGAL_CONTAINS "contains a nested function with free variables"
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4457
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4458 #define ILLEGAL_IS "is a nested function"
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4459
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4460 #define ILLEGAL_IMPORT_STAR \
17131
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4461 "import * is not allowed in function '%.100s' because it %s"
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4462
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4463 #define ILLEGAL_BARE_EXEC \
17131
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4464 "unqualified exec is not allowed in function '%.100s' it %s"
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4465
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4466 #define ILLEGAL_EXEC_AND_IMPORT_STAR \
21879
8dafe4a78cac Fix a bunch of typos found by nnorwitz.
Michael W. Hudson <mwh@python.net>
parents: 21831
diff changeset
4467 "function '%.100s' uses import * and bare exec, which are illegal " \
17131
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4468 "because it %s"
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4469
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4470 /* XXX perhaps the linenos for these opt-breaking statements
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4471 should be stored so the exception can point to them. */
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4472
17131
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4473 if (ste->ste_child_free) {
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4474 if (ste->ste_optimized == OPT_IMPORT_STAR)
21086
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4475 PyOS_snprintf(buf, sizeof(buf),
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4476 ILLEGAL_IMPORT_STAR,
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4477 PyString_AS_STRING(ste->ste_name),
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4478 ILLEGAL_CONTAINS);
17131
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4479 else if (ste->ste_optimized == (OPT_BARE_EXEC | OPT_EXEC))
21086
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4480 PyOS_snprintf(buf, sizeof(buf),
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4481 ILLEGAL_BARE_EXEC,
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4482 PyString_AS_STRING(ste->ste_name),
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4483 ILLEGAL_CONTAINS);
17131
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4484 else {
21086
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4485 PyOS_snprintf(buf, sizeof(buf),
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4486 ILLEGAL_EXEC_AND_IMPORT_STAR,
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4487 PyString_AS_STRING(ste->ste_name),
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4488 ILLEGAL_CONTAINS);
17131
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4489 }
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4490 } else {
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4491 if (ste->ste_optimized == OPT_IMPORT_STAR)
21086
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4492 PyOS_snprintf(buf, sizeof(buf),
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4493 ILLEGAL_IMPORT_STAR,
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4494 PyString_AS_STRING(ste->ste_name),
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4495 ILLEGAL_IS);
17131
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4496 else if (ste->ste_optimized == (OPT_BARE_EXEC | OPT_EXEC))
21086
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4497 PyOS_snprintf(buf, sizeof(buf),
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4498 ILLEGAL_BARE_EXEC,
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4499 PyString_AS_STRING(ste->ste_name),
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4500 ILLEGAL_IS);
17131
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4501 else {
21086
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4502 PyOS_snprintf(buf, sizeof(buf),
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4503 ILLEGAL_EXEC_AND_IMPORT_STAR,
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4504 PyString_AS_STRING(ste->ste_name),
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
4505 ILLEGAL_IS);
17131
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4506 }
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4507 }
17131
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4508
19177
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4509 PyErr_SetString(PyExc_SyntaxError, buf);
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4510 PyErr_SyntaxLocation(c->c_symtable->st_filename,
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4511 ste->ste_opt_lineno);
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4512 return -1;
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4513 }
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4514
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4515 static int
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4516 symtable_update_flags(struct compiling *c, PySymtableEntryObject *ste,
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4517 struct symbol_info *si)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4518 {
19158
97a3d3d7029f Refactor future feature handling
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19051
diff changeset
4519 if (c->c_future)
97a3d3d7029f Refactor future feature handling
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19051
diff changeset
4520 c->c_flags |= c->c_future->ff_features;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
4521 if (ste->ste_generator)
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
4522 c->c_flags |= CO_GENERATOR;
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4523 if (ste->ste_type != TYPE_MODULE)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4524 c->c_flags |= CO_NEWLOCALS;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4525 if (ste->ste_type == TYPE_FUNCTION) {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4526 c->c_nlocals = si->si_nlocals;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4527 if (ste->ste_optimized == 0)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4528 c->c_flags |= CO_OPTIMIZED;
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4529 else if (ste->ste_optimized != OPT_EXEC)
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4530 return symtable_check_unoptimized(c, ste, si);
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4531 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4532 return 0;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4533 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4534
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4535 static int
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4536 symtable_load_symbols(struct compiling *c)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4537 {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4538 static PyObject *implicit = NULL;
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4539 struct symtable *st = c->c_symtable;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4540 PySymtableEntryObject *ste = st->st_cur;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4541 PyObject *name, *varnames, *v;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4542 int i, flags, pos;
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4543 struct symbol_info si;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4544
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4545 if (implicit == NULL) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4546 implicit = PyInt_FromLong(1);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4547 if (implicit == NULL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4548 return -1;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4549 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4550 v = NULL;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4551
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4552 if (symtable_init_compiling_symbols(c) < 0)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4553 goto fail;
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4554 symtable_init_info(&si);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4555 varnames = st->st_cur->ste_varnames;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4556 si.si_nlocals = PyList_GET_SIZE(varnames);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4557 c->c_argcount = si.si_nlocals;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4558
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4559 for (i = 0; i < si.si_nlocals; ++i) {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4560 v = PyInt_FromLong(i);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4561 if (PyDict_SetItem(c->c_locals,
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4562 PyList_GET_ITEM(varnames, i), v) < 0)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4563 goto fail;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4564 Py_DECREF(v);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4565 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4566
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4567 /* XXX The cases below define the rules for whether a name is
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4568 local or global. The logic could probably be clearer. */
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4569 pos = 0;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4570 while (PyDict_Next(ste->ste_symbols, &pos, &name, &v)) {
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4571 flags = PyInt_AS_LONG(v);
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4572
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4573 if (flags & DEF_FREE_GLOBAL)
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4574 /* undo the original DEF_FREE */
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4575 flags &= ~(DEF_FREE | DEF_FREE_CLASS);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4576
17078
7e181eba6b9b Fixup handling of free variables in methods when the class scope also
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17076
diff changeset
4577 /* Deal with names that need two actions:
19177
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4578 1. Cell variables that are also locals.
17078
7e181eba6b9b Fixup handling of free variables in methods when the class scope also
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17076
diff changeset
4579 2. Free variables in methods that are also class
7e181eba6b9b Fixup handling of free variables in methods when the class scope also
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17076
diff changeset
4580 variables or declared global.
7e181eba6b9b Fixup handling of free variables in methods when the class scope also
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17076
diff changeset
4581 */
19177
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4582 if (flags & (DEF_FREE | DEF_FREE_CLASS))
17637
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4583 symtable_resolve_free(c, name, flags, &si);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4584
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4585 if (flags & DEF_STAR) {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4586 c->c_argcount--;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4587 c->c_flags |= CO_VARARGS;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4588 } else if (flags & DEF_DOUBLESTAR) {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4589 c->c_argcount--;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4590 c->c_flags |= CO_VARKEYWORDS;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4591 } else if (flags & DEF_INTUPLE)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4592 c->c_argcount--;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4593 else if (flags & DEF_GLOBAL) {
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4594 if (flags & DEF_PARAM) {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4595 PyErr_Format(PyExc_SyntaxError, LOCAL_GLOBAL,
16428
6496844c4a42 Fix symbol table pass to generation SyntaxError exceptions that
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16421
diff changeset
4596 PyString_AS_STRING(name));
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16831
diff changeset
4597 PyErr_SyntaxLocation(st->st_filename,
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4598 ste->ste_lineno);
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4599 st->st_errors++;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4600 goto fail;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4601 }
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4602 if (PyDict_SetItem(c->c_globals, name, Py_None) < 0)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4603 goto fail;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4604 } else if (flags & DEF_FREE_GLOBAL) {
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4605 si.si_nimplicit++;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4606 if (PyDict_SetItem(c->c_globals, name, implicit) < 0)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4607 goto fail;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4608 } else if ((flags & DEF_LOCAL) && !(flags & DEF_PARAM)) {
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4609 v = PyInt_FromLong(si.si_nlocals++);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4610 if (v == NULL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4611 goto fail;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4612 if (PyDict_SetItem(c->c_locals, name, v) < 0)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4613 goto fail;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4614 Py_DECREF(v);
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4615 if (ste->ste_type != TYPE_CLASS)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4616 if (PyList_Append(c->c_varnames, name) < 0)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4617 goto fail;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4618 } else if (is_free(flags)) {
19177
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4619 if (ste->ste_nested) {
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4620 v = PyInt_FromLong(si.si_nfrees++);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4621 if (v == NULL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4622 goto fail;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4623 if (PyDict_SetItem(c->c_freevars, name, v) < 0)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4624 goto fail;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4625 Py_DECREF(v);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4626 } else {
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4627 si.si_nimplicit++;
19177
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4628 if (PyDict_SetItem(c->c_globals, name,
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4629 implicit) < 0)
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4630 goto fail;
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4631 if (st->st_nscopes != 1) {
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4632 v = PyInt_FromLong(flags);
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4633 if (PyDict_SetItem(st->st_global,
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4634 name, v))
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4635 goto fail;
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4636 Py_DECREF(v);
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4637 }
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4638 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4639 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4640 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4641
17637
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4642 assert(PyDict_Size(c->c_freevars) == si.si_nfrees);
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4643
17104
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4644 if (si.si_ncells > 1) { /* one cell is always in order */
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4645 if (symtable_cellvar_offsets(&c->c_cellvars, c->c_argcount,
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4646 c->c_varnames, c->c_flags) < 0)
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4647 return -1;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4648 }
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4649 if (symtable_freevar_offsets(c->c_freevars, si.si_ncells) < 0)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4650 return -1;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4651 return symtable_update_flags(c, ste, &si);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4652 fail:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4653 /* is this always the right thing to do? */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4654 Py_XDECREF(v);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4655 return -1;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4656 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4657
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4658 static struct symtable *
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4659 symtable_init()
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4660 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4661 struct symtable *st;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4662
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4663 st = (struct symtable *)PyMem_Malloc(sizeof(struct symtable));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4664 if (st == NULL)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4665 return NULL;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4666 st->st_pass = 1;
19160
9d024ae05837 st_nested_scopes was uninitialized trash. Jeremy should fix in a better
Tim Peters <tim.peters@gmail.com>
parents: 19158
diff changeset
4667
16428
6496844c4a42 Fix symbol table pass to generation SyntaxError exceptions that
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16421
diff changeset
4668 st->st_filename = NULL;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4669 if ((st->st_stack = PyList_New(0)) == NULL)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4670 goto fail;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4671 if ((st->st_symbols = PyDict_New()) == NULL)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4672 goto fail;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4673 st->st_cur = NULL;
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4674 st->st_nscopes = 0;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4675 st->st_errors = 0;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4676 st->st_tmpname = 0;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4677 st->st_private = NULL;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4678 return st;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4679 fail:
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4680 PySymtable_Free(st);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4681 return NULL;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4682 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4683
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4684 void
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4685 PySymtable_Free(struct symtable *st)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4686 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4687 Py_XDECREF(st->st_symbols);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4688 Py_XDECREF(st->st_stack);
16753
51977af230fa Fix for bug 133489: compiler leaks memory
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16699
diff changeset
4689 Py_XDECREF(st->st_cur);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4690 PyMem_Free((void *)st);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4691 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4692
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4693 /* When the compiler exits a scope, it must should update the scope's
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4694 free variable information with the list of free variables in its
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4695 children.
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4696
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4697 Variables that are free in children and defined in the current
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4698 scope are cellvars.
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4699
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4700 If the scope being exited is defined at the top-level (ste_nested is
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4701 false), free variables in children that are not defined here are
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4702 implicit globals.
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4703
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4704 */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4705
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4706 static int
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4707 symtable_update_free_vars(struct symtable *st)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4708 {
16571
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4709 int i, j, def;
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4710 PyObject *o, *name, *list = NULL;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4711 PySymtableEntryObject *child, *ste = st->st_cur;
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4712
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4713 if (ste->ste_type == TYPE_CLASS)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4714 def = DEF_FREE_CLASS;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4715 else
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4716 def = DEF_FREE;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4717 for (i = 0; i < PyList_GET_SIZE(ste->ste_children); ++i) {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4718 int pos = 0;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4719
16571
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4720 if (list)
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4721 PyList_SetSlice(list, 0,
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4722 ((PyVarObject*)list)->ob_size, 0);
16754
23c7a0108f59 symtable_update_free_vars(), symtable_undo_free(),
Barry Warsaw <barry@python.org>
parents: 16753
diff changeset
4723 child = (PySymtableEntryObject *)
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4724 PyList_GET_ITEM(ste->ste_children, i);
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4725 while (PyDict_Next(child->ste_symbols, &pos, &name, &o)) {
16892
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4726 int flags = PyInt_AS_LONG(o);
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4727 if (!(is_free(flags)))
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4728 continue; /* avoids indentation */
16571
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4729 if (list == NULL) {
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4730 list = PyList_New(0);
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4731 if (list == NULL)
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4732 return -1;
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4733 }
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4734 ste->ste_child_free = 1;
16571
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4735 if (PyList_Append(list, name) < 0) {
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4736 Py_DECREF(list);
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4737 return -1;
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4738 }
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4739 }
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4740 for (j = 0; list && j < PyList_GET_SIZE(list); j++) {
16892
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4741 PyObject *v;
16571
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4742 name = PyList_GET_ITEM(list, j);
16892
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4743 v = PyDict_GetItem(ste->ste_symbols, name);
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4744 /* If a name N is declared global in scope A and
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4745 referenced in scope B contained (perhaps
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4746 indirectly) in A and there are no scopes
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4747 with bindings for N between B and A, then N
17702
e3f0fd38c24b Several small changes. Mostly reformatting, adding parens.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17637
diff changeset
4748 is global in B. Unless A is a class scope,
e3f0fd38c24b Several small changes. Mostly reformatting, adding parens.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17637
diff changeset
4749 because class scopes are not considered for
e3f0fd38c24b Several small changes. Mostly reformatting, adding parens.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17637
diff changeset
4750 nested scopes.
16892
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4751 */
17078
7e181eba6b9b Fixup handling of free variables in methods when the class scope also
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17076
diff changeset
4752 if (v && (ste->ste_type != TYPE_CLASS)) {
16892
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4753 int flags = PyInt_AS_LONG(v);
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4754 if (flags & DEF_GLOBAL) {
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4755 symtable_undo_free(st, child->ste_id,
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4756 name);
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4757 continue;
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4758 }
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4759 }
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4760 if (ste->ste_nested) {
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4761 if (symtable_add_def_o(st, ste->ste_symbols,
16571
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4762 name, def) < 0) {
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4763 Py_DECREF(list);
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4764 return -1;
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4765 }
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4766 } else {
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4767 if (symtable_check_global(st, child->ste_id,
16571
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4768 name) < 0) {
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4769 Py_DECREF(list);
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4770 return -1;
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4771 }
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4772 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4773 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4774 }
16571
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4775
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4776 Py_XDECREF(list);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4777 return 0;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4778 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4779
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4780 /* If the current scope is a non-nested class or if name is not
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4781 defined in the current, non-nested scope, then it is an implicit
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4782 global in all nested scopes.
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4783 */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4784
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4785 static int
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4786 symtable_check_global(struct symtable *st, PyObject *child, PyObject *name)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4787 {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4788 PyObject *o;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4789 int v;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4790 PySymtableEntryObject *ste = st->st_cur;
16892
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4791
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4792 if (ste->ste_type == TYPE_CLASS)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4793 return symtable_undo_free(st, child, name);
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4794 o = PyDict_GetItem(ste->ste_symbols, name);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4795 if (o == NULL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4796 return symtable_undo_free(st, child, name);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4797 v = PyInt_AS_LONG(o);
16892
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4798
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
4799 if (is_free(v) || (v & DEF_GLOBAL))
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4800 return symtable_undo_free(st, child, name);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4801 else
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4802 return symtable_add_def_o(st, ste->ste_symbols,
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4803 name, DEF_FREE);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4804 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4805
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4806 static int
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4807 symtable_undo_free(struct symtable *st, PyObject *id,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4808 PyObject *name)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4809 {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4810 int i, v, x;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4811 PyObject *info;
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4812 PySymtableEntryObject *ste;
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4813
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4814 ste = (PySymtableEntryObject *)PyDict_GetItem(st->st_symbols, id);
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4815 if (ste == NULL)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4816 return -1;
16892
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4817
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4818 info = PyDict_GetItem(ste->ste_symbols, name);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4819 if (info == NULL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4820 return 0;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4821 v = PyInt_AS_LONG(info);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4822 if (is_free(v)) {
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4823 if (symtable_add_def_o(st, ste->ste_symbols, name,
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4824 DEF_FREE_GLOBAL) < 0)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4825 return -1;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4826 } else
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4827 /* If the name is defined here or declared global,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4828 then the recursion stops. */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4829 return 0;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4830
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4831 for (i = 0; i < PyList_GET_SIZE(ste->ste_children); ++i) {
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4832 PySymtableEntryObject *child;
16754
23c7a0108f59 symtable_update_free_vars(), symtable_undo_free(),
Barry Warsaw <barry@python.org>
parents: 16753
diff changeset
4833 child = (PySymtableEntryObject *)
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4834 PyList_GET_ITEM(ste->ste_children, i);
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4835 x = symtable_undo_free(st, child->ste_id, name);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4836 if (x < 0)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4837 return x;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4838 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4839 return 0;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4840 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4841
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4842 /* symtable_enter_scope() gets a reference via PySymtableEntry_New().
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4843 This reference is released when the scope is exited, via the DECREF
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4844 in symtable_exit_scope().
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4845 */
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4846
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4847 static int
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4848 symtable_exit_scope(struct symtable *st)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4849 {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4850 int end;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4851
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4852 if (st->st_pass == 1)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4853 symtable_update_free_vars(st);
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4854 Py_DECREF(st->st_cur);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4855 end = PyList_GET_SIZE(st->st_stack) - 1;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4856 st->st_cur = (PySymtableEntryObject *)PyList_GET_ITEM(st->st_stack,
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4857 end);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4858 if (PySequence_DelItem(st->st_stack, end) < 0)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4859 return -1;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4860 return 0;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4861 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4862
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4863 static void
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4864 symtable_enter_scope(struct symtable *st, char *name, int type,
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4865 int lineno)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4866 {
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4867 PySymtableEntryObject *prev = NULL;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4868
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4869 if (st->st_cur) {
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4870 prev = st->st_cur;
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4871 if (PyList_Append(st->st_stack, (PyObject *)st->st_cur) < 0) {
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4872 Py_DECREF(st->st_cur);
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4873 st->st_errors++;
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4874 return;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4875 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4876 }
16754
23c7a0108f59 symtable_update_free_vars(), symtable_undo_free(),
Barry Warsaw <barry@python.org>
parents: 16753
diff changeset
4877 st->st_cur = (PySymtableEntryObject *)
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4878 PySymtableEntry_New(st, name, type, lineno);
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4879 if (strcmp(name, TOP) == 0)
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4880 st->st_global = st->st_cur->ste_symbols;
16753
51977af230fa Fix for bug 133489: compiler leaks memory
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16699
diff changeset
4881 if (prev && st->st_pass == 1) {
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4882 if (PyList_Append(prev->ste_children,
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4883 (PyObject *)st->st_cur) < 0)
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4884 st->st_errors++;
16753
51977af230fa Fix for bug 133489: compiler leaks memory
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16699
diff changeset
4885 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4886 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4887
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4888 static int
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4889 symtable_lookup(struct symtable *st, char *name)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4890 {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4891 char buffer[MANGLE_LEN];
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4892 PyObject *v;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4893 int flags;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4894
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4895 if (mangle(st->st_private, name, buffer, sizeof(buffer)))
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4896 name = buffer;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4897 v = PyDict_GetItemString(st->st_cur->ste_symbols, name);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4898 if (v == NULL) {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4899 if (PyErr_Occurred())
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4900 return -1;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4901 else
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4902 return 0;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4903 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4904
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4905 flags = PyInt_AS_LONG(v);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4906 return flags;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4907 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4908
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4909 static int
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4910 symtable_add_def(struct symtable *st, char *name, int flag)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4911 {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4912 PyObject *s;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4913 char buffer[MANGLE_LEN];
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
4914 int ret;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4915
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
4916 if (mangle(st->st_private, name, buffer, sizeof(buffer)))
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4917 name = buffer;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4918 if ((s = PyString_InternFromString(name)) == NULL)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4919 return -1;
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
4920 ret = symtable_add_def_o(st, st->st_cur->ste_symbols, s, flag);
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
4921 Py_DECREF(s);
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
4922 return ret;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4923 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4924
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4925 /* Must only be called with mangled names */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4926
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4927 static int
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4928 symtable_add_def_o(struct symtable *st, PyObject *dict,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4929 PyObject *name, int flag)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4930 {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4931 PyObject *o;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4932 int val;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4933
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4934 if ((o = PyDict_GetItem(dict, name))) {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4935 val = PyInt_AS_LONG(o);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4936 if ((flag & DEF_PARAM) && (val & DEF_PARAM)) {
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
4937 PyErr_Format(PyExc_SyntaxError, DUPLICATE_ARGUMENT,
16394
f700e6b8de1f Undo recent change that banned using import to bind a global, as per
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16357
diff changeset
4938 PyString_AsString(name));
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16831
diff changeset
4939 PyErr_SyntaxLocation(st->st_filename,
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4940 st->st_cur->ste_lineno);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4941 return -1;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4942 }
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4943 val |= flag;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4944 } else
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4945 val = flag;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4946 o = PyInt_FromLong(val);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4947 if (PyDict_SetItem(dict, name, o) < 0) {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4948 Py_DECREF(o);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4949 return -1;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4950 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4951 Py_DECREF(o);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4952
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4953 if (flag & DEF_PARAM) {
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4954 if (PyList_Append(st->st_cur->ste_varnames, name) < 0)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4955 return -1;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4956 } else if (flag & DEF_GLOBAL) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4957 /* XXX need to update DEF_GLOBAL for other flags too;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4958 perhaps only DEF_FREE_GLOBAL */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4959 if ((o = PyDict_GetItem(st->st_global, name))) {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4960 val = PyInt_AS_LONG(o);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4961 val |= flag;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4962 } else
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4963 val = flag;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4964 o = PyInt_FromLong(val);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4965 if (PyDict_SetItem(st->st_global, name, o) < 0) {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4966 Py_DECREF(o);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4967 return -1;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4968 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4969 Py_DECREF(o);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4970 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4971 return 0;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4972 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4973
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4974 #define symtable_add_use(ST, NAME) symtable_add_def((ST), (NAME), USE)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4975
18333
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
4976 /* Look for a yield stmt under n. Return 1 if found, else 0.
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
4977 This hack is used to look inside "if 0:" blocks (which are normally
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
4978 ignored) in case those are the only places a yield occurs (so that this
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
4979 function is a generator). */
18274
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4980 static int
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4981 look_for_yield(node *n)
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4982 {
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4983 int i;
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4984
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4985 for (i = 0; i < NCH(n); ++i) {
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4986 node *kid = CHILD(n, i);
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4987
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4988 switch (TYPE(kid)) {
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4989
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4990 case classdef:
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4991 case funcdef:
18333
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
4992 case lambdef:
18274
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4993 /* Stuff in nested functions and classes can't make
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4994 the parent a generator. */
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4995 return 0;
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4996
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4997 case yield_stmt:
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4998 return 1;
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4999
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
5000 default:
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
5001 if (look_for_yield(kid))
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
5002 return 1;
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
5003 }
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
5004 }
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
5005 return 0;
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
5006 }
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
5007
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5008 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5009 symtable_node(struct symtable *st, node *n)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5010 {
20517
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5011 int i;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5012
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5013 loop:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5014 switch (TYPE(n)) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5015 case funcdef: {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5016 char *func_name = STR(CHILD(n, 1));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5017 symtable_add_def(st, func_name, DEF_LOCAL);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5018 symtable_default_args(st, CHILD(n, 2));
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
5019 symtable_enter_scope(st, func_name, TYPE(n), n->n_lineno);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5020 symtable_funcdef(st, n);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5021 symtable_exit_scope(st);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5022 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5023 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5024 case lambdef:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5025 if (NCH(n) == 4)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5026 symtable_default_args(st, CHILD(n, 1));
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
5027 symtable_enter_scope(st, "lambda", TYPE(n), n->n_lineno);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5028 symtable_funcdef(st, n);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5029 symtable_exit_scope(st);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5030 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5031 case classdef: {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5032 char *tmp, *class_name = STR(CHILD(n, 1));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5033 symtable_add_def(st, class_name, DEF_LOCAL);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5034 if (TYPE(CHILD(n, 2)) == LPAR) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5035 node *bases = CHILD(n, 3);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5036 int i;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5037 for (i = 0; i < NCH(bases); i += 2) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5038 symtable_node(st, CHILD(bases, i));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5039 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5040 }
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
5041 symtable_enter_scope(st, class_name, TYPE(n), n->n_lineno);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5042 tmp = st->st_private;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5043 st->st_private = class_name;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5044 symtable_node(st, CHILD(n, NCH(n) - 1));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5045 st->st_private = tmp;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5046 symtable_exit_scope(st);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5047 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5048 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5049 case if_stmt:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5050 for (i = 0; i + 3 < NCH(n); i += 4) {
18274
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
5051 if (is_constant_false(NULL, (CHILD(n, i + 1)))) {
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
5052 if (st->st_cur->ste_generator == 0)
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
5053 st->st_cur->ste_generator =
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
5054 look_for_yield(CHILD(n, i+3));
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5055 continue;
18274
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
5056 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5057 symtable_node(st, CHILD(n, i + 1));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5058 symtable_node(st, CHILD(n, i + 3));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5059 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5060 if (i + 2 < NCH(n))
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5061 symtable_node(st, CHILD(n, i + 2));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5062 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5063 case global_stmt:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5064 symtable_global(st, n);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5065 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5066 case import_stmt:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5067 symtable_import(st, n);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5068 break;
16394
f700e6b8de1f Undo recent change that banned using import to bind a global, as per
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16357
diff changeset
5069 case exec_stmt: {
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
5070 st->st_cur->ste_optimized |= OPT_EXEC;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5071 symtable_node(st, CHILD(n, 1));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5072 if (NCH(n) > 2)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5073 symtable_node(st, CHILD(n, 3));
17132
55218e0495bc Set the line number correctly for a nested function with an exec or
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17131
diff changeset
5074 else {
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
5075 st->st_cur->ste_optimized |= OPT_BARE_EXEC;
17132
55218e0495bc Set the line number correctly for a nested function with an exec or
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17131
diff changeset
5076 st->st_cur->ste_opt_lineno = n->n_lineno;
55218e0495bc Set the line number correctly for a nested function with an exec or
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17131
diff changeset
5077 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5078 if (NCH(n) > 4)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5079 symtable_node(st, CHILD(n, 5));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5080 break;
16394
f700e6b8de1f Undo recent change that banned using import to bind a global, as per
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16357
diff changeset
5081
f700e6b8de1f Undo recent change that banned using import to bind a global, as per
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16357
diff changeset
5082 }
16680
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5083 case assert_stmt:
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5084 if (Py_OptimizeFlag)
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5085 return;
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5086 if (NCH(n) == 2) {
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5087 n = CHILD(n, 1);
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5088 goto loop;
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5089 } else {
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5090 symtable_node(st, CHILD(n, 1));
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5091 n = CHILD(n, 3);
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5092 goto loop;
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5093 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5094 case except_clause:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5095 if (NCH(n) == 4)
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5096 symtable_assign(st, CHILD(n, 3), 0);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5097 if (NCH(n) > 1) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5098 n = CHILD(n, 1);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5099 goto loop;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5100 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5101 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5102 case del_stmt:
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5103 symtable_assign(st, CHILD(n, 1), 0);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5104 break;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
5105 case yield_stmt:
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
5106 st->st_cur->ste_generator = 1;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
5107 n = CHILD(n, 1);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
5108 goto loop;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5109 case expr_stmt:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5110 if (NCH(n) == 1)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5111 n = CHILD(n, 0);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5112 else {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5113 if (TYPE(CHILD(n, 1)) == augassign) {
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5114 symtable_assign(st, CHILD(n, 0), 0);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5115 symtable_node(st, CHILD(n, 2));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5116 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5117 } else {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5118 int i;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5119 for (i = 0; i < NCH(n) - 2; i += 2)
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5120 symtable_assign(st, CHILD(n, i), 0);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5121 n = CHILD(n, NCH(n) - 1);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5122 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5123 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5124 goto loop;
20517
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5125 case list_iter:
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5126 n = CHILD(n, 0);
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5127 if (TYPE(n) == list_for) {
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5128 st->st_tmpname++;
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5129 symtable_list_comprehension(st, n);
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5130 st->st_tmpname--;
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5131 } else {
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5132 REQ(n, list_if);
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5133 symtable_node(st, CHILD(n, 1));
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5134 if (NCH(n) == 3) {
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5135 n = CHILD(n, 2);
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5136 goto loop;
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5137 }
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5138 }
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5139 break;
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5140 case for_stmt:
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5141 symtable_assign(st, CHILD(n, 1), 0);
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5142 for (i = 3; i < NCH(n); ++i)
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5143 if (TYPE(CHILD(n, i)) >= single_input)
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5144 symtable_node(st, CHILD(n, i));
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5145 break;
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5146 /* The remaining cases fall through to default except in
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5147 special circumstances. This requires the individual cases
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5148 to be coded with great care, even though they look like
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5149 rather innocuous. Each case must double-check TYPE(n).
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5150 */
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5151 case argument:
20517
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5152 if (TYPE(n) == argument && NCH(n) == 3) {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5153 n = CHILD(n, 2);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5154 goto loop;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5155 }
20517
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5156 /* fall through */
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5157 case listmaker:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5158 if (NCH(n) > 1 && TYPE(CHILD(n, 1)) == list_for) {
17076
85d74f040712 Fix crashes in nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16933
diff changeset
5159 st->st_tmpname++;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5160 symtable_list_comprehension(st, CHILD(n, 1));
17076
85d74f040712 Fix crashes in nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16933
diff changeset
5161 symtable_node(st, CHILD(n, 0));
85d74f040712 Fix crashes in nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16933
diff changeset
5162 st->st_tmpname--;
20517
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5163 break;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5164 }
20517
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5165 /* fall through */
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5166 case atom:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5167 if (TYPE(n) == atom && TYPE(CHILD(n, 0)) == NAME) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5168 symtable_add_use(st, STR(CHILD(n, 0)));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5169 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5170 }
20517
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5171 /* fall through */
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5172 default:
20517
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5173 /* Walk over every non-token child with a special case
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5174 for one child.
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5175 */
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5176 if (NCH(n) == 1) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5177 n = CHILD(n, 0);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5178 goto loop;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5179 }
20517
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5180 for (i = 0; i < NCH(n); ++i)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5181 if (TYPE(CHILD(n, i)) >= single_input)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5182 symtable_node(st, CHILD(n, i));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5183 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5184 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5185
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5186 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5187 symtable_funcdef(struct symtable *st, node *n)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5188 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5189 node *body;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5190
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5191 if (TYPE(n) == lambdef) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5192 if (NCH(n) == 4)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5193 symtable_params(st, CHILD(n, 1));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5194 } else
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5195 symtable_params(st, CHILD(n, 2));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5196 body = CHILD(n, NCH(n) - 1);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5197 symtable_node(st, body);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5198 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5199
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5200 /* The next two functions parse the argument tuple.
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5201 symtable_default_arg() checks for names in the default arguments,
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5202 which are references in the defining scope. symtable_params()
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5203 parses the parameter names, which are defined in the function's
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5204 body.
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5205
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5206 varargslist:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5207 (fpdef ['=' test] ',')* ('*' NAME [',' '**' NAME] | '**' NAME)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5208 | fpdef ['=' test] (',' fpdef ['=' test])* [',']
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5209 */
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5210
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5211 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5212 symtable_default_args(struct symtable *st, node *n)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5213 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5214 node *c;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5215 int i;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5216
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5217 if (TYPE(n) == parameters) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5218 n = CHILD(n, 1);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5219 if (TYPE(n) == RPAR)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5220 return;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5221 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5222 REQ(n, varargslist);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5223 for (i = 0; i < NCH(n); i += 2) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5224 c = CHILD(n, i);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5225 if (TYPE(c) == STAR || TYPE(c) == DOUBLESTAR) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5226 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5227 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5228 if (i > 0 && (TYPE(CHILD(n, i - 1)) == EQUAL))
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5229 symtable_node(st, CHILD(n, i));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5230 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5231 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5232
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5233 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5234 symtable_params(struct symtable *st, node *n)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5235 {
16250
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5236 int i, complex = -1, ext = 0;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5237 node *c = NULL;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5238
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5239 if (TYPE(n) == parameters) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5240 n = CHILD(n, 1);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5241 if (TYPE(n) == RPAR)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5242 return;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5243 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5244 REQ(n, varargslist);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5245 for (i = 0; i < NCH(n); i += 2) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5246 c = CHILD(n, i);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5247 if (TYPE(c) == STAR || TYPE(c) == DOUBLESTAR) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5248 ext = 1;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5249 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5250 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5251 if (TYPE(c) == test) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5252 continue;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5253 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5254 if (TYPE(CHILD(c, 0)) == NAME)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5255 symtable_add_def(st, STR(CHILD(c, 0)), DEF_PARAM);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5256 else {
21086
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
5257 char nbuf[30];
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
5258 PyOS_snprintf(nbuf, sizeof(nbuf), ".%d", i);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5259 symtable_add_def(st, nbuf, DEF_PARAM);
16250
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5260 complex = i;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5261 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5262 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5263 if (ext) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5264 c = CHILD(n, i);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5265 if (TYPE(c) == STAR) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5266 i++;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5267 symtable_add_def(st, STR(CHILD(n, i)),
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5268 DEF_PARAM | DEF_STAR);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5269 i += 2;
16137
883cb0e31bb2 prevent symtable_params() from dereferencing off the end of the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16096
diff changeset
5270 if (i >= NCH(n))
16250
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5271 c = NULL;
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5272 else
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5273 c = CHILD(n, i);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5274 }
16250
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5275 if (c && TYPE(c) == DOUBLESTAR) {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5276 i++;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5277 symtable_add_def(st, STR(CHILD(n, i)),
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5278 DEF_PARAM | DEF_DOUBLESTAR);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5279 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5280 }
16250
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5281 if (complex >= 0) {
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5282 int j;
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5283 for (j = 0; j <= complex; j++) {
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5284 c = CHILD(n, j);
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5285 if (TYPE(c) == COMMA)
16699
7334b2cedda8 Fix for implicit tuple + default arguments, courtesy of Michael Hudson.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16680
diff changeset
5286 c = CHILD(n, ++j);
7334b2cedda8 Fix for implicit tuple + default arguments, courtesy of Michael Hudson.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16680
diff changeset
5287 else if (TYPE(c) == EQUAL)
7334b2cedda8 Fix for implicit tuple + default arguments, courtesy of Michael Hudson.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16680
diff changeset
5288 c = CHILD(n, j += 3);
16250
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5289 if (TYPE(CHILD(c, 0)) == LPAR)
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5290 symtable_params_fplist(st, CHILD(c, 1));
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5291 }
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5292 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5293 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5294
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5295 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5296 symtable_params_fplist(struct symtable *st, node *n)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5297 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5298 int i;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5299 node *c;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5300
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5301 REQ(n, fplist);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5302 for (i = 0; i < NCH(n); i += 2) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5303 c = CHILD(n, i);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5304 REQ(c, fpdef);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5305 if (NCH(c) == 1)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5306 symtable_add_def(st, STR(CHILD(c, 0)),
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5307 DEF_PARAM | DEF_INTUPLE);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5308 else
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5309 symtable_params_fplist(st, CHILD(c, 1));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5310 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5311
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5312 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5313
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5314 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5315 symtable_global(struct symtable *st, node *n)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5316 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5317 int i;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5318
16916
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
5319 /* XXX It might be helpful to warn about module-level global
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
5320 statements, but it's hard to tell the difference between
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
5321 module-level and a string passed to exec.
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
5322 */
16871
d675d75af839 Warn about global statement at the module level.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16862
diff changeset
5323
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
5324 for (i = 1; i < NCH(n); i += 2) {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
5325 char *name = STR(CHILD(n, i));
16783
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5326 int flags;
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5327
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5328 flags = symtable_lookup(st, name);
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5329 if (flags < 0)
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5330 continue;
16783
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5331 if (flags && flags != DEF_GLOBAL) {
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5332 char buf[500];
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5333 if (flags & DEF_PARAM) {
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5334 PyErr_Format(PyExc_SyntaxError,
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5335 "name '%.400s' is local and global",
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5336 name);
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16831
diff changeset
5337 PyErr_SyntaxLocation(st->st_filename,
16783
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5338 st->st_cur->ste_lineno);
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5339 st->st_errors++;
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5340 return;
16853
05785bdf289c Use the new PyErr_WarnExplicit() API to issue better warnings for
Guido van Rossum <guido@python.org>
parents: 16838
diff changeset
5341 }
05785bdf289c Use the new PyErr_WarnExplicit() API to issue better warnings for
Guido van Rossum <guido@python.org>
parents: 16838
diff changeset
5342 else {
05785bdf289c Use the new PyErr_WarnExplicit() API to issue better warnings for
Guido van Rossum <guido@python.org>
parents: 16838
diff changeset
5343 if (flags & DEF_LOCAL)
21086
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
5344 PyOS_snprintf(buf, sizeof(buf),
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
5345 GLOBAL_AFTER_ASSIGN,
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
5346 name);
16853
05785bdf289c Use the new PyErr_WarnExplicit() API to issue better warnings for
Guido van Rossum <guido@python.org>
parents: 16838
diff changeset
5347 else
21086
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
5348 PyOS_snprintf(buf, sizeof(buf),
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
5349 GLOBAL_AFTER_USE, name);
16855
ec9083ac26df Let's have some sanity. Introduce a helper to issue a symbol table
Guido van Rossum <guido@python.org>
parents: 16853
diff changeset
5350 symtable_warn(st, buf);
16783
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5351 }
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5352 }
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
5353 symtable_add_def(st, name, DEF_GLOBAL);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
5354 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5355 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5356
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5357 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5358 symtable_list_comprehension(struct symtable *st, node *n)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5359 {
21086
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
5360 char tmpname[30];
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
5361
ea5b0f0b716f code_repr(), com_addop_varname(), com_list_comprehension(),
Barry Warsaw <barry@python.org>
parents: 21066
diff changeset
5362 PyOS_snprintf(tmpname, sizeof(tmpname), "_[%d]", st->st_tmpname);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5363 symtable_add_def(st, tmpname, DEF_LOCAL);
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5364 symtable_assign(st, CHILD(n, 1), 0);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5365 symtable_node(st, CHILD(n, 3));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5366 if (NCH(n) == 5)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5367 symtable_node(st, CHILD(n, 4));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5368 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5369
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5370 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5371 symtable_import(struct symtable *st, node *n)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5372 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5373 int i;
16394
f700e6b8de1f Undo recent change that banned using import to bind a global, as per
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16357
diff changeset
5374 /* import_stmt: 'import' dotted_as_name (',' dotted_as_name)*
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5375 | 'from' dotted_name 'import'
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5376 ('*' | import_as_name (',' import_as_name)*)
16394
f700e6b8de1f Undo recent change that banned using import to bind a global, as per
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16357
diff changeset
5377 import_as_name: NAME [NAME NAME]
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5378 */
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5379 if (STR(CHILD(n, 0))[0] == 'f') { /* from */
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5380 node *dotname = CHILD(n, 1);
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5381 if (strcmp(STR(CHILD(dotname, 0)), "__future__") == 0) {
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5382 /* check for bogus imports */
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5383 if (n->n_lineno >= st->st_future->ff_last_lineno) {
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5384 PyErr_SetString(PyExc_SyntaxError,
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5385 LATE_FUTURE);
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16831
diff changeset
5386 PyErr_SyntaxLocation(st->st_filename,
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5387 n->n_lineno);
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5388 st->st_errors++;
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5389 return;
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5390 }
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5391 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5392 if (TYPE(CHILD(n, 3)) == STAR) {
19018
821e35706c07 Fix SF bug [ #445474 ] warn about import * inside functions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18631
diff changeset
5393 if (st->st_cur->ste_type != TYPE_MODULE) {
19021
e5754f048f0b Another bug fix for recent import * warning (caught by Thomas Wouters)
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19019
diff changeset
5394 if (symtable_warn(st,
e5754f048f0b Another bug fix for recent import * warning (caught by Thomas Wouters)
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19019
diff changeset
5395 "import * only allowed at module level") < 0)
e5754f048f0b Another bug fix for recent import * warning (caught by Thomas Wouters)
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19019
diff changeset
5396 return;
19018
821e35706c07 Fix SF bug [ #445474 ] warn about import * inside functions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18631
diff changeset
5397 }
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
5398 st->st_cur->ste_optimized |= OPT_IMPORT_STAR;
17132
55218e0495bc Set the line number correctly for a nested function with an exec or
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17131
diff changeset
5399 st->st_cur->ste_opt_lineno = n->n_lineno;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5400 } else {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5401 for (i = 3; i < NCH(n); i += 2) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5402 node *c = CHILD(n, i);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5403 if (NCH(c) > 1) /* import as */
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5404 symtable_assign(st, CHILD(c, 2),
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5405 DEF_IMPORT);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5406 else
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5407 symtable_assign(st, CHILD(c, 0),
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5408 DEF_IMPORT);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5409 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5410 }
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
5411 } else {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5412 for (i = 1; i < NCH(n); i += 2) {
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5413 symtable_assign(st, CHILD(n, i), DEF_IMPORT);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5414 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5415 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5416 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5417
20517
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5418 /* The third argument to symatble_assign() is a flag to be passed to
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5419 symtable_add_def() if it is eventually called. The flag is useful
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5420 to specify the particular type of assignment that should be
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5421 recorded, e.g. an assignment caused by import.
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5422 */
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5423
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5424 static void
20517
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5425 symtable_assign(struct symtable *st, node *n, int def_flag)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5426 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5427 node *tmp;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5428 int i;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5429
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5430 loop:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5431 switch (TYPE(n)) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5432 case lambdef:
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5433 /* invalid assignment, e.g. lambda x:x=2. The next
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5434 pass will catch this error. */
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5435 return;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5436 case power:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5437 if (NCH(n) > 2) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5438 for (i = 2; i < NCH(n); ++i)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5439 if (TYPE(CHILD(n, i)) != DOUBLESTAR)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5440 symtable_node(st, CHILD(n, i));
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5441 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5442 if (NCH(n) > 1) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5443 symtable_node(st, CHILD(n, 0));
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5444 symtable_node(st, CHILD(n, 1));
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5445 } else {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5446 n = CHILD(n, 0);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5447 goto loop;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5448 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5449 return;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5450 case listmaker:
17076
85d74f040712 Fix crashes in nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16933
diff changeset
5451 if (NCH(n) > 1 && TYPE(CHILD(n, 1)) == list_for) {
85d74f040712 Fix crashes in nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16933
diff changeset
5452 /* XXX This is an error, but the next pass
85d74f040712 Fix crashes in nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16933
diff changeset
5453 will catch it. */
85d74f040712 Fix crashes in nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16933
diff changeset
5454 return;
85d74f040712 Fix crashes in nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16933
diff changeset
5455 } else {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5456 for (i = 0; i < NCH(n); i += 2)
20517
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5457 symtable_assign(st, CHILD(n, i), def_flag);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5458 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5459 return;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5460 case exprlist:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5461 case testlist:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5462 if (NCH(n) == 1) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5463 n = CHILD(n, 0);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5464 goto loop;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5465 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5466 else {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5467 int i;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5468 for (i = 0; i < NCH(n); i += 2)
20517
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5469 symtable_assign(st, CHILD(n, i), def_flag);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5470 return;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5471 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5472 case atom:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5473 tmp = CHILD(n, 0);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5474 if (TYPE(tmp) == LPAR || TYPE(tmp) == LSQB) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5475 n = CHILD(n, 1);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5476 goto loop;
17185
f9a30015e8b0 Make it illegal to assign to __debug__ as per Guido's request.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17132
diff changeset
5477 } else if (TYPE(tmp) == NAME) {
20939
13df8b6c2b80 Fix SF buf #480096: Assign to __debug__ still allowed
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20867
diff changeset
5478 if (strcmp(STR(tmp), "__debug__") == 0) {
13df8b6c2b80 Fix SF buf #480096: Assign to __debug__ still allowed
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20867
diff changeset
5479 PyErr_SetString(PyExc_SyntaxError,
13df8b6c2b80 Fix SF buf #480096: Assign to __debug__ still allowed
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20867
diff changeset
5480 ASSIGN_DEBUG);
13df8b6c2b80 Fix SF buf #480096: Assign to __debug__ still allowed
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20867
diff changeset
5481 PyErr_SyntaxLocation(st->st_filename,
21179
485422900ef0 SF bug #488687 reported by Neal Norwitz
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 21086
diff changeset
5482 n->n_lineno);
20939
13df8b6c2b80 Fix SF buf #480096: Assign to __debug__ still allowed
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20867
diff changeset
5483 st->st_errors++;
13df8b6c2b80 Fix SF buf #480096: Assign to __debug__ still allowed
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20867
diff changeset
5484 }
20517
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5485 symtable_add_def(st, STR(tmp), DEF_LOCAL | def_flag);
17185
f9a30015e8b0 Make it illegal to assign to __debug__ as per Guido's request.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17132
diff changeset
5486 }
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5487 return;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5488 case dotted_as_name:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5489 if (NCH(n) == 3)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5490 symtable_add_def(st, STR(CHILD(n, 2)),
20517
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5491 DEF_LOCAL | def_flag);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5492 else
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5493 symtable_add_def(st,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5494 STR(CHILD(CHILD(n,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5495 0), 0)),
20517
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5496 DEF_LOCAL | def_flag);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5497 return;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5498 case dotted_name:
20517
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5499 symtable_add_def(st, STR(CHILD(n, 0)), DEF_LOCAL | def_flag);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5500 return;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5501 case NAME:
20517
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5502 symtable_add_def(st, STR(n), DEF_LOCAL | def_flag);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5503 return;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5504 default:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5505 if (NCH(n) == 0)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5506 return;
16677
b955e74955d5 Tolerate ill-formed trees in symtable_assign(). Fixes SF bug 132510.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16658
diff changeset
5507 if (NCH(n) == 1) {
b955e74955d5 Tolerate ill-formed trees in symtable_assign(). Fixes SF bug 132510.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16658
diff changeset
5508 n = CHILD(n, 0);
b955e74955d5 Tolerate ill-formed trees in symtable_assign(). Fixes SF bug 132510.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16658
diff changeset
5509 goto loop;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5510 }
16677
b955e74955d5 Tolerate ill-formed trees in symtable_assign(). Fixes SF bug 132510.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16658
diff changeset
5511 /* Should only occur for errors like x + 1 = 1,
b955e74955d5 Tolerate ill-formed trees in symtable_assign(). Fixes SF bug 132510.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16658
diff changeset
5512 which will be caught in the next pass. */
b955e74955d5 Tolerate ill-formed trees in symtable_assign(). Fixes SF bug 132510.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16658
diff changeset
5513 for (i = 0; i < NCH(n); ++i)
b955e74955d5 Tolerate ill-formed trees in symtable_assign(). Fixes SF bug 132510.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16658
diff changeset
5514 if (TYPE(CHILD(n, i)) >= single_input)
20517
d51fe520e5fd Fix for SF bug [ #471928 ] global made w/nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20491
diff changeset
5515 symtable_assign(st, CHILD(n, i), def_flag);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5516 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5517 }