annotate Python/ast.c @ 86913:8c9769b17171 3.2

Backout 7d399099334d.
author Georg Brandl <georg@python.org>
date Mon, 04 Nov 2013 07:44:29 +0100
parents 305210a08fc9
children d5b731446a91
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1 /*
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2 * This file includes functions to transform a concrete syntax tree (CST) to
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3 * an abstract syntax tree (AST). The main function is PyAST_FromNode().
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4 *
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5 */
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6 #include "Python.h"
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7 #include "Python-ast.h"
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8 #include "grammar.h"
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9 #include "node.h"
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10 #include "ast.h"
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11 #include "token.h"
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12 #include "parsetok.h"
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13 #include "graminit.h"
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14
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15 #include <assert.h>
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16
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17 /* Data structure used internally */
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18 struct compiling {
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19 char *c_encoding; /* source encoding */
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20 PyArena *c_arena; /* arena for allocating memeory */
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21 const char *c_filename; /* filename */
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22 };
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23
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24 static asdl_seq *seq_for_testlist(struct compiling *, const node *);
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25 static expr_ty ast_for_expr(struct compiling *, const node *);
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26 static stmt_ty ast_for_stmt(struct compiling *, const node *);
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27 static asdl_seq *ast_for_suite(struct compiling *, const node *);
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28 static asdl_seq *ast_for_exprlist(struct compiling *, const node *,
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29 expr_context_ty);
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30 static expr_ty ast_for_testlist(struct compiling *, const node *);
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31 static stmt_ty ast_for_classdef(struct compiling *, const node *, asdl_seq *);
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32
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33 /* Note different signature for ast_for_call */
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34 static expr_ty ast_for_call(struct compiling *, const node *, expr_ty);
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35
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36 static PyObject *parsenumber(struct compiling *, const char *);
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37 static PyObject *parsestr(struct compiling *, const node *n, int *bytesmode);
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38 static PyObject *parsestrplus(struct compiling *, const node *n,
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39 int *bytesmode);
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40
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41 #ifndef LINENO
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42 #define LINENO(n) ((n)->n_lineno)
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43 #endif
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44
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45 #define COMP_GENEXP 0
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46 #define COMP_LISTCOMP 1
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47 #define COMP_SETCOMP 2
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48
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49 static identifier
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50 new_identifier(const char *n, PyArena *arena)
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51 {
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52 PyObject *id = PyUnicode_DecodeUTF8(n, strlen(n), NULL);
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53 Py_UNICODE *u;
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54 if (!id)
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55 return NULL;
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56 u = PyUnicode_AS_UNICODE(id);
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57 /* Check whether there are non-ASCII characters in the
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58 identifier; if so, normalize to NFKC. */
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59 for (; *u; u++) {
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60 if (*u >= 128) {
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61 PyObject *m = PyImport_ImportModuleNoBlock("unicodedata");
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62 PyObject *id2;
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63 if (!m)
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64 return NULL;
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65 id2 = PyObject_CallMethod(m, "normalize", "sO", "NFKC", id);
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66 Py_DECREF(m);
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67 if (!id2)
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68 return NULL;
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69 Py_DECREF(id);
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70 id = id2;
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71 break;
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72 }
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73 }
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74 PyUnicode_InternInPlace(&id);
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75 PyArena_AddPyObject(arena, id);
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76 return id;
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77 }
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78
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79 #define NEW_IDENTIFIER(n) new_identifier(STR(n), c->c_arena)
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80
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81 /* This routine provides an invalid object for the syntax error.
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82 The outermost routine must unpack this error and create the
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83 proper object. We do this so that we don't have to pass
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84 the filename to everything function.
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85
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86 XXX Maybe we should just pass the filename...
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87 */
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88
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89 static int
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90 ast_error(const node *n, const char *errstr)
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91 {
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92 PyObject *u = Py_BuildValue("zii", errstr, LINENO(n), n->n_col_offset), *save;
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93 if (!u)
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94 return 0;
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95 /*
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96 * Prevent the error from being chained. PyErr_SetObject will normalize the
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97 * exception in order to chain it. ast_error_finish, however, requires the
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98 * error not to be normalized.
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99 */
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100 save = PyThreadState_GET()->exc_value;
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101 PyThreadState_GET()->exc_value = NULL;
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102 PyErr_SetObject(PyExc_SyntaxError, u);
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103 PyThreadState_GET()->exc_value = save;
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104 Py_DECREF(u);
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105 return 0;
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106 }
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107
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108 static void
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109 ast_error_finish(const char *filename)
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110 {
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111 PyObject *type, *value, *tback, *errstr, *offset, *loc, *tmp;
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112 PyObject *filename_obj;
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113 long lineno;
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114
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115 assert(PyErr_Occurred());
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116 if (!PyErr_ExceptionMatches(PyExc_SyntaxError))
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117 return;
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118
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119 PyErr_Fetch(&type, &value, &tback);
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120 errstr = PyTuple_GetItem(value, 0);
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121 if (!errstr)
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122 return;
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123 Py_INCREF(errstr);
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124 lineno = PyLong_AsLong(PyTuple_GetItem(value, 1));
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125 if (lineno == -1) {
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126 Py_DECREF(errstr);
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127 return;
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128 }
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129 offset = PyTuple_GetItem(value, 2);
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130 if (!offset) {
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131 Py_DECREF(errstr);
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132 return;
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133 }
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134 Py_DECREF(value);
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135
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136 loc = PyErr_ProgramText(filename, lineno);
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137 if (!loc) {
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138 Py_INCREF(Py_None);
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139 loc = Py_None;
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140 }
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141 if (filename != NULL)
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142 filename_obj = PyUnicode_DecodeFSDefault(filename);
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143 else {
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144 Py_INCREF(Py_None);
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145 filename_obj = Py_None;
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146 }
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147 if (filename_obj != NULL)
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148 tmp = Py_BuildValue("(NlOO)", filename_obj, lineno, offset, loc);
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149 else
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150 tmp = NULL;
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151 Py_DECREF(loc);
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152 if (!tmp) {
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153 Py_DECREF(errstr);
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154 return;
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155 }
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156 value = PyTuple_Pack(2, errstr, tmp);
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157 Py_DECREF(errstr);
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158 Py_DECREF(tmp);
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159 if (!value)
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160 return;
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161 PyErr_Restore(type, value, tback);
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162 }
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163
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164 /* num_stmts() returns number of contained statements.
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165
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166 Use this routine to determine how big a sequence is needed for
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167 the statements in a parse tree. Its raison d'etre is this bit of
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168 grammar:
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169
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170 stmt: simple_stmt | compound_stmt
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171 simple_stmt: small_stmt (';' small_stmt)* [';'] NEWLINE
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172
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173 A simple_stmt can contain multiple small_stmt elements joined
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174 by semicolons. If the arg is a simple_stmt, the number of
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175 small_stmt elements is returned.
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176 */
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177
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178 static int
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179 num_stmts(const node *n)
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180 {
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181 int i, l;
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182 node *ch;
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183
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184 switch (TYPE(n)) {
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185 case single_input:
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186 if (TYPE(CHILD(n, 0)) == NEWLINE)
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187 return 0;
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188 else
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189 return num_stmts(CHILD(n, 0));
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190 case file_input:
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191 l = 0;
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192 for (i = 0; i < NCH(n); i++) {
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193 ch = CHILD(n, i);
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194 if (TYPE(ch) == stmt)
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195 l += num_stmts(ch);
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196 }
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197 return l;
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198 case stmt:
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199 return num_stmts(CHILD(n, 0));
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200 case compound_stmt:
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201 return 1;
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202 case simple_stmt:
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203 return NCH(n) / 2; /* Divide by 2 to remove count of semi-colons */
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204 case suite:
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205 if (NCH(n) == 1)
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206 return num_stmts(CHILD(n, 0));
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207 else {
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208 l = 0;
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209 for (i = 2; i < (NCH(n) - 1); i++)
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210 l += num_stmts(CHILD(n, i));
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211 return l;
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212 }
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213 default: {
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214 char buf[128];
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215
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216 sprintf(buf, "Non-statement found: %d %d",
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217 TYPE(n), NCH(n));
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218 Py_FatalError(buf);
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219 }
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220 }
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221 assert(0);
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222 return 0;
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223 }
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224
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225 /* Transform the CST rooted at node * to the appropriate AST
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226 */
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227
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228 mod_ty
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229 PyAST_FromNode(const node *n, PyCompilerFlags *flags, const char *filename,
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230 PyArena *arena)
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231 {
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232 int i, j, k, num;
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233 asdl_seq *stmts = NULL;
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234 stmt_ty s;
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235 node *ch;
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236 struct compiling c;
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237
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238 if (flags && flags->cf_flags & PyCF_SOURCE_IS_UTF8) {
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239 c.c_encoding = "utf-8";
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240 if (TYPE(n) == encoding_decl) {
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241 #if 0
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242 ast_error(n, "encoding declaration in Unicode string");
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243 goto error;
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244 #endif
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245 n = CHILD(n, 0);
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246 }
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247 } else if (TYPE(n) == encoding_decl) {
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248 c.c_encoding = STR(n);
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249 n = CHILD(n, 0);
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250 } else {
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251 /* PEP 3120 */
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252 c.c_encoding = "utf-8";
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253 }
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254 c.c_arena = arena;
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255 c.c_filename = filename;
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256
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257 k = 0;
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258 switch (TYPE(n)) {
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259 case file_input:
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260 stmts = asdl_seq_new(num_stmts(n), arena);
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261 if (!stmts)
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262 return NULL;
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263 for (i = 0; i < NCH(n) - 1; i++) {
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264 ch = CHILD(n, i);
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265 if (TYPE(ch) == NEWLINE)
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266 continue;
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267 REQ(ch, stmt);
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268 num = num_stmts(ch);
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parents:
diff changeset
269 if (num == 1) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
270 s = ast_for_stmt(&c, ch);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
271 if (!s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
272 goto error;
36718
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
273 asdl_seq_SET(stmts, k++, s);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
274 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
275 else {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
276 ch = CHILD(ch, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
277 REQ(ch, simple_stmt);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
278 for (j = 0; j < num; j++) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
279 s = ast_for_stmt(&c, CHILD(ch, j * 2));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
280 if (!s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
281 goto error;
36718
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
282 asdl_seq_SET(stmts, k++, s);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
283 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
284 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
285 }
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
286 return Module(stmts, arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
287 case eval_input: {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
288 expr_ty testlist_ast;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
289
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
290 /* XXX Why not comp_for here? */
35798
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
291 testlist_ast = ast_for_testlist(&c, CHILD(n, 0));
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
292 if (!testlist_ast)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
293 goto error;
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
294 return Expression(testlist_ast, arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
295 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
296 case single_input:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
297 if (TYPE(CHILD(n, 0)) == NEWLINE) {
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
298 stmts = asdl_seq_new(1, arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
299 if (!stmts)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
300 goto error;
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
301 asdl_seq_SET(stmts, 0, Pass(n->n_lineno, n->n_col_offset,
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
302 arena));
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41699
diff changeset
303 if (!asdl_seq_GET(stmts, 0))
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41699
diff changeset
304 goto error;
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
305 return Interactive(stmts, arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
306 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
307 else {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
308 n = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
309 num = num_stmts(n);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
310 stmts = asdl_seq_new(num, arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
311 if (!stmts)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
312 goto error;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
313 if (num == 1) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
314 s = ast_for_stmt(&c, n);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
315 if (!s)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
316 goto error;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
317 asdl_seq_SET(stmts, 0, s);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
318 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
319 else {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
320 /* Only a simple_stmt can contain multiple statements. */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
321 REQ(n, simple_stmt);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
322 for (i = 0; i < NCH(n); i += 2) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
323 if (TYPE(CHILD(n, i)) == NEWLINE)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
324 break;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
325 s = ast_for_stmt(&c, CHILD(n, i));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
326 if (!s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
327 goto error;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
328 asdl_seq_SET(stmts, i / 2, s);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
329 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
330 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
331
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
332 return Interactive(stmts, arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
333 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
334 default:
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41699
diff changeset
335 PyErr_Format(PyExc_SystemError,
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41699
diff changeset
336 "invalid node %d for PyAST_FromNode", TYPE(n));
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
337 goto error;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
338 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
339 error:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
340 ast_error_finish(filename);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
341 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
342 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
343
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
344 /* Return the AST repr. of the operator represented as syntax (|, ^, etc.)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
345 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
346
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
347 static operator_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
348 get_operator(const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
349 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
350 switch (TYPE(n)) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
351 case VBAR:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
352 return BitOr;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
353 case CIRCUMFLEX:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
354 return BitXor;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
355 case AMPER:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
356 return BitAnd;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
357 case LEFTSHIFT:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
358 return LShift;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
359 case RIGHTSHIFT:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
360 return RShift;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
361 case PLUS:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
362 return Add;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
363 case MINUS:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
364 return Sub;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
365 case STAR:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
366 return Mult;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
367 case SLASH:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
368 return Div;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
369 case DOUBLESLASH:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
370 return FloorDiv;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
371 case PERCENT:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
372 return Mod;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
373 default:
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
374 return (operator_ty)0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
375 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
376 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
377
41969
9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41824
diff changeset
378 static const char* FORBIDDEN[] = {
9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41824
diff changeset
379 "None",
9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41824
diff changeset
380 "True",
9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41824
diff changeset
381 "False",
9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41824
diff changeset
382 NULL,
9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41824
diff changeset
383 };
9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41824
diff changeset
384
9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41824
diff changeset
385 static int
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
386 forbidden_name(identifier name, const node *n, int full_checks)
41969
9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41824
diff changeset
387 {
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
388 assert(PyUnicode_Check(name));
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
389 if (PyUnicode_CompareWithASCIIString(name, "__debug__") == 0) {
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
390 ast_error(n, "assignment to keyword");
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
391 return 1;
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
392 }
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
393 if (full_checks) {
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
394 const char **p;
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
395 for (p = FORBIDDEN; *p; p++) {
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
396 if (PyUnicode_CompareWithASCIIString(name, *p) == 0) {
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
397 ast_error(n, "assignment to keyword");
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
398 return 1;
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
399 }
41969
9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41824
diff changeset
400 }
9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41824
diff changeset
401 }
9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41824
diff changeset
402 return 0;
9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41824
diff changeset
403 }
9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41824
diff changeset
404
36718
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
405 /* Set the context ctx for expr_ty e, recursively traversing e.
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
406
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
407 Only sets context for expr kinds that "can appear in assignment context"
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
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408 (according to ../Parser/Python.asdl). For other expr kinds, it sets
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409 an appropriate syntax error and returns false.
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410 */
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411
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412 static int
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413 set_context(struct compiling *c, expr_ty e, expr_context_ty ctx, const node *n)
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414 {
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415 asdl_seq *s = NULL;
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416 /* If a particular expression type can't be used for assign / delete,
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417 set expr_name to its name and an error message will be generated.
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418 */
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419 const char* expr_name = NULL;
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420
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421 /* The ast defines augmented store and load contexts, but the
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422 implementation here doesn't actually use them. The code may be
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423 a little more complex than necessary as a result. It also means
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424 that expressions in an augmented assignment have a Store context.
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425 Consider restructuring so that augmented assignment uses
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426 set_context(), too.
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427 */
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428 assert(ctx != AugStore && ctx != AugLoad);
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429
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430 switch (e->kind) {
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431 case Attribute_kind:
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432 e->v.Attribute.ctx = ctx;
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433 if (ctx == Store && forbidden_name(e->v.Attribute.attr, n, 1))
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434 return 0;
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435 break;
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436 case Subscript_kind:
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437 e->v.Subscript.ctx = ctx;
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438 break;
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439 case Starred_kind:
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440 e->v.Starred.ctx = ctx;
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441 if (!set_context(c, e->v.Starred.value, ctx, n))
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442 return 0;
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443 break;
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444 case Name_kind:
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445 if (ctx == Store) {
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446 if (forbidden_name(e->v.Name.id, n, 1))
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447 return 0; /* forbidden_name() calls ast_error() */
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448 }
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449 e->v.Name.ctx = ctx;
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450 break;
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451 case List_kind:
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452 e->v.List.ctx = ctx;
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453 s = e->v.List.elts;
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454 break;
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455 case Tuple_kind:
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456 if (asdl_seq_LEN(e->v.Tuple.elts)) {
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457 e->v.Tuple.ctx = ctx;
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458 s = e->v.Tuple.elts;
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459 }
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460 else {
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461 expr_name = "()";
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462 }
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463 break;
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464 case Lambda_kind:
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465 expr_name = "lambda";
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466 break;
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467 case Call_kind:
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468 expr_name = "function call";
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469 break;
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470 case BoolOp_kind:
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471 case BinOp_kind:
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472 case UnaryOp_kind:
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473 expr_name = "operator";
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474 break;
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475 case GeneratorExp_kind:
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476 expr_name = "generator expression";
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477 break;
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478 case Yield_kind:
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479 expr_name = "yield expression";
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480 break;
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481 case ListComp_kind:
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482 expr_name = "list comprehension";
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483 break;
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484 case SetComp_kind:
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485 expr_name = "set comprehension";
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486 break;
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487 case DictComp_kind:
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488 expr_name = "dict comprehension";
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489 break;
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490 case Dict_kind:
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491 case Set_kind:
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492 case Num_kind:
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493 case Str_kind:
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494 case Bytes_kind:
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495 expr_name = "literal";
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496 break;
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497 case Ellipsis_kind:
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498 expr_name = "Ellipsis";
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499 break;
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500 case Compare_kind:
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501 expr_name = "comparison";
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502 break;
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503 case IfExp_kind:
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504 expr_name = "conditional expression";
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505 break;
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506 default:
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507 PyErr_Format(PyExc_SystemError,
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508 "unexpected expression in assignment %d (line %d)",
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509 e->kind, e->lineno);
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510 return 0;
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511 }
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512 /* Check for error string set by switch */
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513 if (expr_name) {
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514 char buf[300];
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515 PyOS_snprintf(buf, sizeof(buf),
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516 "can't %s %s",
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517 ctx == Store ? "assign to" : "delete",
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518 expr_name);
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519 return ast_error(n, buf);
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520 }
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521
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522 /* If the LHS is a list or tuple, we need to set the assignment
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523 context for all the contained elements.
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524 */
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525 if (s) {
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526 int i;
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527
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528 for (i = 0; i < asdl_seq_LEN(s); i++) {
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031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
529 if (!set_context(c, (expr_ty)asdl_seq_GET(s, i), ctx, n))
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
530 return 0;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
531 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
532 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
533 return 1;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
534 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
535
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
536 static operator_ty
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
537 ast_for_augassign(struct compiling *c, const node *n)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
538 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
539 REQ(n, augassign);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
540 n = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
541 switch (STR(n)[0]) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
542 case '+':
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
543 return Add;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
544 case '-':
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
545 return Sub;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
546 case '/':
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
547 if (STR(n)[1] == '/')
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
548 return FloorDiv;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
549 else
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
550 return Div;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
551 case '%':
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
552 return Mod;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
553 case '<':
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
554 return LShift;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
555 case '>':
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
556 return RShift;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
557 case '&':
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
558 return BitAnd;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
559 case '^':
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
560 return BitXor;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
561 case '|':
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
562 return BitOr;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
563 case '*':
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
564 if (STR(n)[1] == '*')
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
565 return Pow;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
566 else
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
567 return Mult;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
568 default:
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
569 PyErr_Format(PyExc_SystemError, "invalid augassign: %s", STR(n));
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
570 return (operator_ty)0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
571 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
572 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
573
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
574 static cmpop_ty
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
575 ast_for_comp_op(struct compiling *c, const node *n)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
576 {
39648
efe3f2c0da5e Killed the <> operator. You must now use !=.
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
577 /* comp_op: '<'|'>'|'=='|'>='|'<='|'!='|'in'|'not' 'in'|'is'
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
578 |'is' 'not'
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
579 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
580 REQ(n, comp_op);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
581 if (NCH(n) == 1) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
582 n = CHILD(n, 0);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
583 switch (TYPE(n)) {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
584 case LESS:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
585 return Lt;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
586 case GREATER:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
587 return Gt;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
588 case EQEQUAL: /* == */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
589 return Eq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
590 case LESSEQUAL:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
591 return LtE;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
592 case GREATEREQUAL:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
593 return GtE;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
594 case NOTEQUAL:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
595 return NotEq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
596 case NAME:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
597 if (strcmp(STR(n), "in") == 0)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
598 return In;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
599 if (strcmp(STR(n), "is") == 0)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
600 return Is;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
601 default:
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
602 PyErr_Format(PyExc_SystemError, "invalid comp_op: %s",
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
603 STR(n));
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
604 return (cmpop_ty)0;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
605 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
606 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
607 else if (NCH(n) == 2) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
608 /* handle "not in" and "is not" */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
609 switch (TYPE(CHILD(n, 0))) {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
610 case NAME:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
611 if (strcmp(STR(CHILD(n, 1)), "in") == 0)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
612 return NotIn;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
613 if (strcmp(STR(CHILD(n, 0)), "is") == 0)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
614 return IsNot;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
615 default:
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
616 PyErr_Format(PyExc_SystemError, "invalid comp_op: %s %s",
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
617 STR(CHILD(n, 0)), STR(CHILD(n, 1)));
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
618 return (cmpop_ty)0;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
619 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
620 }
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
621 PyErr_Format(PyExc_SystemError, "invalid comp_op: has %d children",
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
622 NCH(n));
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
623 return (cmpop_ty)0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
624 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
625
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
626 static asdl_seq *
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
627 seq_for_testlist(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
628 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56951
diff changeset
629 /* testlist: test (',' test)* [',']
56237
7ee140b7ef93 fix an ambiguity in the grammar from the implementation of extended unpacking
Benjamin Peterson <benjamin@python.org>
parents: 55912
diff changeset
630 testlist_star_expr: test|star_expr (',' test|star_expr)* [',']
7ee140b7ef93 fix an ambiguity in the grammar from the implementation of extended unpacking
Benjamin Peterson <benjamin@python.org>
parents: 55912
diff changeset
631 */
35759
d91ed7107fd2 ANSI-C-ify the placement of local var declarations.
Armin Rigo <arigo@tunes.org>
parents: 35748
diff changeset
632 asdl_seq *seq;
d91ed7107fd2 ANSI-C-ify the placement of local var declarations.
Armin Rigo <arigo@tunes.org>
parents: 35748
diff changeset
633 expr_ty expression;
d91ed7107fd2 ANSI-C-ify the placement of local var declarations.
Armin Rigo <arigo@tunes.org>
parents: 35748
diff changeset
634 int i;
56237
7ee140b7ef93 fix an ambiguity in the grammar from the implementation of extended unpacking
Benjamin Peterson <benjamin@python.org>
parents: 55912
diff changeset
635 assert(TYPE(n) == testlist || TYPE(n) == testlist_star_expr || TYPE(n) == testlist_comp);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
636
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
637 seq = asdl_seq_new((NCH(n) + 1) / 2, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
638 if (!seq)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
639 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
640
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
641 for (i = 0; i < NCH(n); i += 2) {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56951
diff changeset
642 const node *ch = CHILD(n, i);
56237
7ee140b7ef93 fix an ambiguity in the grammar from the implementation of extended unpacking
Benjamin Peterson <benjamin@python.org>
parents: 55912
diff changeset
643 assert(TYPE(ch) == test || TYPE(ch) == test_nocond || TYPE(ch) == star_expr);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
644
56237
7ee140b7ef93 fix an ambiguity in the grammar from the implementation of extended unpacking
Benjamin Peterson <benjamin@python.org>
parents: 55912
diff changeset
645 expression = ast_for_expr(c, ch);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
646 if (!expression)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
647 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
648
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
649 assert(i / 2 < seq->size);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
650 asdl_seq_SET(seq, i / 2, expression);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
651 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
652 return seq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
653 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
654
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
655 static arg_ty
75543
fe0b2681a42f use correct naming convention
Benjamin Peterson <benjamin@python.org>
parents: 70916
diff changeset
656 ast_for_arg(struct compiling *c, const node *n)
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
657 {
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
658 identifier name;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
659 expr_ty annotation = NULL;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
660 node *ch;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
661
41717
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
662 assert(TYPE(n) == tfpdef || TYPE(n) == vfpdef);
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
663 ch = CHILD(n, 0);
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
664 name = NEW_IDENTIFIER(ch);
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
665 if (!name)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
666 return NULL;
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
667 if (forbidden_name(name, ch, 0))
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
668 return NULL;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
669
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
670 if (NCH(n) == 3 && TYPE(CHILD(n, 1)) == COLON) {
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
671 annotation = ast_for_expr(c, CHILD(n, 2));
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
672 if (!annotation)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
673 return NULL;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
674 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
675
41717
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
676 return arg(name, annotation, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
677 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
678
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
679 /* returns -1 if failed to handle keyword only arguments
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
680 returns new position to keep processing if successful
41717
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
681 (',' tfpdef ['=' test])*
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
682 ^^^
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
683 start pointing here
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
684 */
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
685 static int
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
686 handle_keywordonly_args(struct compiling *c, const node *n, int start,
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
687 asdl_seq *kwonlyargs, asdl_seq *kwdefaults)
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
688 {
49852
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
689 PyObject *argname;
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
690 node *ch;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
691 expr_ty expression, annotation;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
692 arg_ty arg;
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
693 int i = start;
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
694 int j = 0; /* index for kwdefaults and kwonlyargs */
44246
aac33ee1a8fc Issue #1573, second attempt:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44237
diff changeset
695
aac33ee1a8fc Issue #1573, second attempt:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44237
diff changeset
696 if (kwonlyargs == NULL) {
aac33ee1a8fc Issue #1573, second attempt:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44237
diff changeset
697 ast_error(CHILD(n, start), "named arguments must follow bare *");
aac33ee1a8fc Issue #1573, second attempt:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44237
diff changeset
698 return -1;
aac33ee1a8fc Issue #1573, second attempt:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44237
diff changeset
699 }
aac33ee1a8fc Issue #1573, second attempt:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44237
diff changeset
700 assert(kwdefaults != NULL);
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
701 while (i < NCH(n)) {
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
702 ch = CHILD(n, i);
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
703 switch (TYPE(ch)) {
41717
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
704 case vfpdef:
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
705 case tfpdef:
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
706 if (i + 1 < NCH(n) && TYPE(CHILD(n, i + 1)) == EQUAL) {
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
707 expression = ast_for_expr(c, CHILD(n, i + 2));
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
708 if (!expression)
64185
38ceeae0d1f0 Merged revisions 84214 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 64183
diff changeset
709 goto error;
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
710 asdl_seq_SET(kwdefaults, j, expression);
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
711 i += 2; /* '=' and test */
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
712 }
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
713 else { /* setting NULL if no default value exists */
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
714 asdl_seq_SET(kwdefaults, j, NULL);
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
715 }
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
716 if (NCH(ch) == 3) {
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
717 /* ch is NAME ':' test */
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
718 annotation = ast_for_expr(c, CHILD(ch, 2));
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
719 if (!annotation)
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
720 goto error;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
721 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
722 else {
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
723 annotation = NULL;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
724 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
725 ch = CHILD(ch, 0);
49852
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
726 argname = NEW_IDENTIFIER(ch);
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
727 if (!argname)
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
728 goto error;
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
729 if (forbidden_name(argname, ch, 0))
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
730 goto error;
49852
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
731 arg = arg(argname, annotation, c->c_arena);
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
732 if (!arg)
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
733 goto error;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
734 asdl_seq_SET(kwonlyargs, j++, arg);
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
735 i += 2; /* the name and the comma */
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
736 break;
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
737 case DOUBLESTAR:
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
738 return i;
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
739 default:
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
740 ast_error(ch, "unexpected node");
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
741 goto error;
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
742 }
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
743 }
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
744 return i;
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
745 error:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
746 return -1;
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
747 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
748
36718
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
749 /* Create AST for argument list. */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
750
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
751 static arguments_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
752 ast_for_arguments(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
753 {
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
754 /* This function handles both typedargslist (function definition)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
755 and varargslist (lambda definition).
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
756
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
757 parameters: '(' [typedargslist] ')'
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
758 typedargslist: ((tfpdef ['=' test] ',')*
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
759 ('*' [tfpdef] (',' tfpdef ['=' test])* [',' '**' tfpdef]
41717
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
760 | '**' tfpdef)
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
761 | tfpdef ['=' test] (',' tfpdef ['=' test])* [','])
41717
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
762 tfpdef: NAME [':' test]
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
763 varargslist: ((vfpdef ['=' test] ',')*
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
764 ('*' [vfpdef] (',' vfpdef ['=' test])* [',' '**' vfpdef]
41717
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
765 | '**' vfpdef)
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
766 | vfpdef ['=' test] (',' vfpdef ['=' test])* [','])
41717
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
767 vfpdef: NAME
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
768 */
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
769 int i, j, k, nposargs = 0, nkwonlyargs = 0;
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
770 int nposdefaults = 0, found_default = 0;
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
771 asdl_seq *posargs, *posdefaults, *kwonlyargs, *kwdefaults;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
772 identifier vararg = NULL, kwarg = NULL;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
773 arg_ty arg;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
774 expr_ty varargannotation = NULL, kwargannotation = NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
775 node *ch;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
776
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
777 if (TYPE(n) == parameters) {
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
778 if (NCH(n) == 2) /* () as argument list */
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
779 return arguments(NULL, NULL, NULL, NULL, NULL, NULL, NULL,
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
780 NULL, c->c_arena);
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
781 n = CHILD(n, 1);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
782 }
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
783 assert(TYPE(n) == typedargslist || TYPE(n) == varargslist);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
784
48515
dbc2b7ad0c22 Fix uninitialized memory read for cases like def(f, *): pass
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48397
diff changeset
785 /* First count the number of positional args & defaults. The
dbc2b7ad0c22 Fix uninitialized memory read for cases like def(f, *): pass
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48397
diff changeset
786 variable i is the loop index for this for loop and the next.
dbc2b7ad0c22 Fix uninitialized memory read for cases like def(f, *): pass
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48397
diff changeset
787 The next loop picks up where the first leaves off.
dbc2b7ad0c22 Fix uninitialized memory read for cases like def(f, *): pass
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48397
diff changeset
788 */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
789 for (i = 0; i < NCH(n); i++) {
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
790 ch = CHILD(n, i);
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
791 if (TYPE(ch) == STAR) {
48515
dbc2b7ad0c22 Fix uninitialized memory read for cases like def(f, *): pass
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48397
diff changeset
792 /* skip star */
41717
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Guido van Rossum <guido@python.org>
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diff changeset
793 i++;
48515
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48397
diff changeset
794 if (i < NCH(n) && /* skip argument following star */
dbc2b7ad0c22 Fix uninitialized memory read for cases like def(f, *): pass
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48397
diff changeset
795 (TYPE(CHILD(n, i)) == tfpdef ||
dbc2b7ad0c22 Fix uninitialized memory read for cases like def(f, *): pass
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48397
diff changeset
796 TYPE(CHILD(n, i)) == vfpdef)) {
dbc2b7ad0c22 Fix uninitialized memory read for cases like def(f, *): pass
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48397
diff changeset
797 i++;
dbc2b7ad0c22 Fix uninitialized memory read for cases like def(f, *): pass
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parents: 48397
diff changeset
798 }
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48397
diff changeset
799 break;
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diff changeset
800 }
41717
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
801 if (TYPE(ch) == DOUBLESTAR) break;
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54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
802 if (TYPE(ch) == vfpdef || TYPE(ch) == tfpdef) nposargs++;
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
803 if (TYPE(ch) == EQUAL) nposdefaults++;
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
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parents: 39783
diff changeset
804 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
805 /* count the number of keyword only args &
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
806 defaults for keyword only args */
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
807 for ( ; i < NCH(n); ++i) {
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
808 ch = CHILD(n, i);
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parents: 39783
diff changeset
809 if (TYPE(ch) == DOUBLESTAR) break;
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Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
810 if (TYPE(ch) == tfpdef || TYPE(ch) == vfpdef) nkwonlyargs++;
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1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
811 }
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
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parents: 39783
diff changeset
812 posargs = (nposargs ? asdl_seq_new(nposargs, c->c_arena) : NULL);
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diff changeset
813 if (!posargs && nposargs)
64183
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Amaury Forgeot d'Arc <amauryfa@gmail.com>
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diff changeset
814 return NULL;
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Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
815 kwonlyargs = (nkwonlyargs ?
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
816 asdl_seq_new(nkwonlyargs, c->c_arena) : NULL);
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
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parents: 39783
diff changeset
817 if (!kwonlyargs && nkwonlyargs)
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
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diff changeset
818 return NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
819 posdefaults = (nposdefaults ?
40215
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parents: 39783
diff changeset
820 asdl_seq_new(nposdefaults, c->c_arena) : NULL);
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
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diff changeset
821 if (!posdefaults && nposdefaults)
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
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diff changeset
822 return NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
823 /* The length of kwonlyargs and kwdefaults are same
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
824 since we set NULL as default for keyword only argument w/o default
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
825 - we have sequence data structure, but no dictionary */
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
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parents: 40450
diff changeset
826 kwdefaults = (nkwonlyargs ?
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
827 asdl_seq_new(nkwonlyargs, c->c_arena) : NULL);
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
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parents: 39783
diff changeset
828 if (!kwdefaults && nkwonlyargs)
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
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diff changeset
829 return NULL;
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
830
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
831 if (nposargs + nkwonlyargs > 255) {
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
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parents: 40450
diff changeset
832 ast_error(n, "more than 255 arguments");
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
833 return NULL;
40215
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diff changeset
834 }
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1c4d192f1568 Merge ast-branch to head
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diff changeset
835
41717
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diff changeset
836 /* tfpdef: NAME [':' test]
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
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parents: 41716
diff changeset
837 vfpdef: NAME
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1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
838 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
839 i = 0;
36718
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
840 j = 0; /* index for defaults */
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
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parents: 36712
diff changeset
841 k = 0; /* index for args */
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parents:
diff changeset
842 while (i < NCH(n)) {
40215
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parents: 39783
diff changeset
843 ch = CHILD(n, i);
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
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parents: 39783
diff changeset
844 switch (TYPE(ch)) {
40529
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parents: 40450
diff changeset
845 case tfpdef:
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
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parents: 40450
diff changeset
846 case vfpdef:
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parents:
diff changeset
847 /* XXX Need to worry about checking if TYPE(CHILD(n, i+1)) is
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
848 anything other than EQUAL or a comma? */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
849 /* XXX Should NCH(n) check be made a separate check? */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
850 if (i + 1 < NCH(n) && TYPE(CHILD(n, i + 1)) == EQUAL) {
39442
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Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
851 expr_ty expression = ast_for_expr(c, CHILD(n, i + 2));
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
852 if (!expression)
64183
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diff changeset
853 return NULL;
40215
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diff changeset
854 assert(posdefaults != NULL);
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
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parents: 39783
diff changeset
855 asdl_seq_SET(posdefaults, j++, expression);
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
856 i += 2;
40215
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parents: 39783
diff changeset
857 found_default = 1;
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parents: 39783
diff changeset
858 }
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diff changeset
859 else if (found_default) {
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parents: 56955
diff changeset
860 ast_error(n,
40215
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parents: 39783
diff changeset
861 "non-default argument follows default argument");
64183
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diff changeset
862 return NULL;
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
863 }
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parents: 70916
diff changeset
864 arg = ast_for_arg(c, ch);
40529
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parents: 40450
diff changeset
865 if (!arg)
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Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
866 return NULL;
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parents: 40450
diff changeset
867 asdl_seq_SET(posargs, k++, arg);
35742
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
868 i += 2; /* the name and the comma */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
869 break;
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
870 case STAR:
40215
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parents: 39783
diff changeset
871 if (i+1 >= NCH(n)) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
872 ast_error(CHILD(n, i),
44246
aac33ee1a8fc Issue #1573, second attempt:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44237
diff changeset
873 "named arguments must follow bare *");
64183
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diff changeset
874 return NULL;
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diff changeset
875 }
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diff changeset
876 ch = CHILD(n, i+1); /* tfpdef or COMMA */
40529
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diff changeset
877 if (TYPE(ch) == COMMA) {
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
878 int res = 0;
40215
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parents: 39783
diff changeset
879 i += 2; /* now follows keyword only arguments */
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parents: 39783
diff changeset
880 res = handle_keywordonly_args(c, n, i,
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
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parents: 39783
diff changeset
881 kwonlyargs, kwdefaults);
64183
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diff changeset
882 if (res == -1) return NULL;
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parents: 39783
diff changeset
883 i = res; /* res has new position to process */
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parents: 39783
diff changeset
884 }
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parents: 39783
diff changeset
885 else {
40529
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parents: 40450
diff changeset
886 vararg = NEW_IDENTIFIER(CHILD(ch, 0));
49844
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Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
887 if (!vararg)
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Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
888 return NULL;
54954
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Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
889 if (forbidden_name(vararg, CHILD(ch, 0), 0))
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
890 return NULL;
40529
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Neal Norwitz <nnorwitz@gmail.com>
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diff changeset
891 if (NCH(ch) > 1) {
41717
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Guido van Rossum <guido@python.org>
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diff changeset
892 /* there is an annotation on the vararg */
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
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parents: 41716
diff changeset
893 varargannotation = ast_for_expr(c, CHILD(ch, 2));
64183
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diff changeset
894 if (!varargannotation)
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diff changeset
895 return NULL;
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diff changeset
896 }
40215
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diff changeset
897 i += 3;
41717
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diff changeset
898 if (i < NCH(n) && (TYPE(CHILD(n, i)) == tfpdef
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diff changeset
899 || TYPE(CHILD(n, i)) == vfpdef)) {
40215
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parents: 39783
diff changeset
900 int res = 0;
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parents: 39783
diff changeset
901 res = handle_keywordonly_args(c, n, i,
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
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diff changeset
902 kwonlyargs, kwdefaults);
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diff changeset
903 if (res == -1) return NULL;
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parents: 39783
diff changeset
904 i = res; /* res has new position to process */
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
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parents: 39783
diff changeset
905 }
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
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parents: 39783
diff changeset
906 }
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diff changeset
907 break;
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diff changeset
908 case DOUBLESTAR:
41717
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diff changeset
909 ch = CHILD(n, i+1); /* tfpdef */
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parents: 41716
diff changeset
910 assert(TYPE(ch) == tfpdef || TYPE(ch) == vfpdef);
40529
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diff changeset
911 kwarg = NEW_IDENTIFIER(CHILD(ch, 0));
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912 if (!kwarg)
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913 return NULL;
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diff changeset
914 if (NCH(ch) > 1) {
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
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parents: 40450
diff changeset
915 /* there is an annotation on the kwarg */
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
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parents: 40450
diff changeset
916 kwargannotation = ast_for_expr(c, CHILD(ch, 2));
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diff changeset
917 if (!kwargannotation)
54c9c86ad104 Merged revisions 84209 via svnmerge from
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diff changeset
918 return NULL;
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diff changeset
919 }
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
920 if (forbidden_name(kwarg, CHILD(ch, 0), 0))
64178
5fd26f452600 Check the return values for all functions returning an ast node.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62373
diff changeset
921 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
922 i += 3;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
923 break;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
924 default:
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
925 PyErr_Format(PyExc_SystemError,
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
926 "unexpected node in varargslist: %d @ %d",
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
927 TYPE(ch), i);
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
928 return NULL;
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
929 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
930 }
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
931 return arguments(posargs, vararg, varargannotation, kwonlyargs, kwarg,
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
932 kwargannotation, posdefaults, kwdefaults, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
933 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
934
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
935 static expr_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
936 ast_for_dotted_name(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
937 {
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
938 expr_ty e;
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
939 identifier id;
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
940 int lineno, col_offset;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
941 int i;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
942
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
943 REQ(n, dotted_name);
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
944
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
945 lineno = LINENO(n);
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
946 col_offset = n->n_col_offset;
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
947
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
948 id = NEW_IDENTIFIER(CHILD(n, 0));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
949 if (!id)
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
950 return NULL;
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
951 e = Name(id, Load, lineno, col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
952 if (!e)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
953 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
954
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
955 for (i = 2; i < NCH(n); i+=2) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
956 id = NEW_IDENTIFIER(CHILD(n, i));
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
957 if (!id)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
958 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
959 e = Attribute(e, id, Load, lineno, col_offset, c->c_arena);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
960 if (!e)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
961 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
962 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
963
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
964 return e;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
965 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
966
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
967 static expr_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
968 ast_for_decorator(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
969 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
970 /* decorator: '@' dotted_name [ '(' [arglist] ')' ] NEWLINE */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
971 expr_ty d = NULL;
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
972 expr_ty name_expr;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
973
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
974 REQ(n, decorator);
36418
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
975 REQ(CHILD(n, 0), AT);
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
976 REQ(RCHILD(n, -1), NEWLINE);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
977
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
978 name_expr = ast_for_dotted_name(c, CHILD(n, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
979 if (!name_expr)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
980 return NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
981
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
982 if (NCH(n) == 3) { /* No arguments */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
983 d = name_expr;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
984 name_expr = NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
985 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
986 else if (NCH(n) == 5) { /* Call with no arguments */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
987 d = Call(name_expr, NULL, NULL, NULL, NULL, LINENO(n),
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
988 n->n_col_offset, c->c_arena);
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
989 if (!d)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
990 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
991 name_expr = NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
992 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
993 else {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
994 d = ast_for_call(c, CHILD(n, 3), name_expr);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
995 if (!d)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
996 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
997 name_expr = NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
998 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
999
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1000 return d;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1001 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1002
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1003 static asdl_seq*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1004 ast_for_decorators(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1005 {
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
1006 asdl_seq* decorator_seq;
35873
76ed7fdc9d85 Fix a whole bunch of potential memory leaks (and some real ones too)
Neal Norwitz <nnorwitz@gmail.com>
parents: 35870
diff changeset
1007 expr_ty d;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1008 int i;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1009
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1010 REQ(n, decorators);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1011 decorator_seq = asdl_seq_new(NCH(n), c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1012 if (!decorator_seq)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1013 return NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1014
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1015 for (i = 0; i < NCH(n); i++) {
36718
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
1016 d = ast_for_decorator(c, CHILD(n, i));
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
1017 if (!d)
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
1018 return NULL;
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
1019 asdl_seq_SET(decorator_seq, i, d);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1020 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1021 return decorator_seq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1022 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1023
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1024 static stmt_ty
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1025 ast_for_funcdef(struct compiling *c, const node *n, asdl_seq *decorator_seq)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1026 {
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1027 /* funcdef: 'def' NAME parameters ['->' test] ':' suite */
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
1028 identifier name;
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
1029 arguments_ty args;
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
1030 asdl_seq *body;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1031 expr_ty returns = NULL;
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1032 int name_i = 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1033
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1034 REQ(n, funcdef);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1035
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1036 name = NEW_IDENTIFIER(CHILD(n, name_i));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1037 if (!name)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1038 return NULL;
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
1039 if (forbidden_name(name, CHILD(n, name_i), 0))
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
1040 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1041 args = ast_for_arguments(c, CHILD(n, name_i + 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1042 if (!args)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1043 return NULL;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1044 if (TYPE(CHILD(n, name_i+2)) == RARROW) {
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1045 returns = ast_for_expr(c, CHILD(n, name_i + 3));
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1046 if (!returns)
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
1047 return NULL;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1048 name_i += 2;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1049 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1050 body = ast_for_suite(c, CHILD(n, name_i + 3));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1051 if (!body)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1052 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1053
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1054 return FunctionDef(name, args, body, decorator_seq, returns, LINENO(n),
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1055 n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1056 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1057
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1058 static stmt_ty
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1059 ast_for_decorated(struct compiling *c, const node *n)
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1060 {
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1061 /* decorated: decorators (classdef | funcdef) */
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1062 stmt_ty thing = NULL;
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1063 asdl_seq *decorator_seq = NULL;
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1064
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1065 REQ(n, decorated);
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Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1066
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1067 decorator_seq = ast_for_decorators(c, CHILD(n, 0));
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1068 if (!decorator_seq)
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1069 return NULL;
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1070
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1071 assert(TYPE(CHILD(n, 1)) == funcdef ||
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1072 TYPE(CHILD(n, 1)) == classdef);
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1073
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Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1074 if (TYPE(CHILD(n, 1)) == funcdef) {
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1075 thing = ast_for_funcdef(c, CHILD(n, 1), decorator_seq);
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1076 } else if (TYPE(CHILD(n, 1)) == classdef) {
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1077 thing = ast_for_classdef(c, CHILD(n, 1), decorator_seq);
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1078 }
45448
f1b50aa5d5af Patch from Georg Brandl: Fix co_lineno of decorated function and class objects. If you see an error in test_inspect please delete all pyc files.
Christian Heimes <christian@cheimes.de>
parents: 44442
diff changeset
1079 /* we count the decorators in when talking about the class' or
f1b50aa5d5af Patch from Georg Brandl: Fix co_lineno of decorated function and class objects. If you see an error in test_inspect please delete all pyc files.
Christian Heimes <christian@cheimes.de>
parents: 44442
diff changeset
1080 * function's line number */
f1b50aa5d5af Patch from Georg Brandl: Fix co_lineno of decorated function and class objects. If you see an error in test_inspect please delete all pyc files.
Christian Heimes <christian@cheimes.de>
parents: 44442
diff changeset
1081 if (thing) {
f1b50aa5d5af Patch from Georg Brandl: Fix co_lineno of decorated function and class objects. If you see an error in test_inspect please delete all pyc files.
Christian Heimes <christian@cheimes.de>
parents: 44442
diff changeset
1082 thing->lineno = LINENO(n);
f1b50aa5d5af Patch from Georg Brandl: Fix co_lineno of decorated function and class objects. If you see an error in test_inspect please delete all pyc files.
Christian Heimes <christian@cheimes.de>
parents: 44442
diff changeset
1083 thing->col_offset = n->n_col_offset;
f1b50aa5d5af Patch from Georg Brandl: Fix co_lineno of decorated function and class objects. If you see an error in test_inspect please delete all pyc files.
Christian Heimes <christian@cheimes.de>
parents: 44442
diff changeset
1084 }
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1085 return thing;
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Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1086 }
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Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1087
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1088 static expr_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1089 ast_for_lambdef(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1090 {
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1091 /* lambdef: 'lambda' [varargslist] ':' test
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1092 lambdef_nocond: 'lambda' [varargslist] ':' test_nocond */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1093 arguments_ty args;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1094 expr_ty expression;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1095
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1096 if (NCH(n) == 3) {
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1097 args = arguments(NULL, NULL, NULL, NULL, NULL, NULL, NULL,
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1098 NULL, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1099 if (!args)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1100 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1101 expression = ast_for_expr(c, CHILD(n, 2));
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1102 if (!expression)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1103 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1104 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1105 else {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1106 args = ast_for_arguments(c, CHILD(n, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1107 if (!args)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1108 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1109 expression = ast_for_expr(c, CHILD(n, 3));
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1110 if (!expression)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1111 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1112 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1113
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
1114 return Lambda(args, expression, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1115 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1116
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1117 static expr_ty
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1118 ast_for_ifexpr(struct compiling *c, const node *n)
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1119 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1120 /* test: or_test 'if' or_test 'else' test */
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1121 expr_ty expression, body, orelse;
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1122
36676
67c74efad8c2 Fix old not-reading-pep-308-right artifact.
Thomas Wouters <thomas@python.org>
parents: 36670
diff changeset
1123 assert(NCH(n) == 5);
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1124 body = ast_for_expr(c, CHILD(n, 0));
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1125 if (!body)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1126 return NULL;
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1127 expression = ast_for_expr(c, CHILD(n, 2));
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1128 if (!expression)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1129 return NULL;
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1130 orelse = ast_for_expr(c, CHILD(n, 4));
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1131 if (!orelse)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1132 return NULL;
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1133 return IfExp(expression, body, orelse, LINENO(n), n->n_col_offset,
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1134 c->c_arena);
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1135 }
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1136
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1137 /*
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1138 Count the number of 'for' loops in a comprehension.
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1139
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1140 Helper for ast_for_comprehension().
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1141 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1142
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1143 static int
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
1144 count_comp_fors(struct compiling *c, const node *n)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1145 {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1146 int n_fors = 0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1147
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1148 count_comp_for:
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1149 n_fors++;
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1150 REQ(n, comp_for);
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1151 if (NCH(n) == 5)
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1152 n = CHILD(n, 4);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1153 else
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1154 return n_fors;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1155 count_comp_iter:
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1156 REQ(n, comp_iter);
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1157 n = CHILD(n, 0);
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1158 if (TYPE(n) == comp_for)
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1159 goto count_comp_for;
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1160 else if (TYPE(n) == comp_if) {
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1161 if (NCH(n) == 3) {
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1162 n = CHILD(n, 2);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1163 goto count_comp_iter;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1164 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1165 else
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1166 return n_fors;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1167 }
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
1168
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1169 /* Should never be reached */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1170 PyErr_SetString(PyExc_SystemError,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1171 "logic error in count_comp_fors");
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1172 return -1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1173 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1174
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1175 /* Count the number of 'if' statements in a comprehension.
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1176
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1177 Helper for ast_for_comprehension().
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1178 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1179
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1180 static int
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1181 count_comp_ifs(struct compiling *c, const node *n)
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1182 {
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1183 int n_ifs = 0;
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1184
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1185 while (1) {
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1186 REQ(n, comp_iter);
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1187 if (TYPE(CHILD(n, 0)) == comp_for)
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1188 return n_ifs;
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1189 n = CHILD(n, 0);
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1190 REQ(n, comp_if);
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1191 n_ifs++;
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1192 if (NCH(n) == 2)
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1193 return n_ifs;
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1194 n = CHILD(n, 2);
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1195 }
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1196 }
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1197
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1198 static asdl_seq *
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1199 ast_for_comprehension(struct compiling *c, const node *n)
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1200 {
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1201 int i, n_fors;
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1202 asdl_seq *comps;
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1203
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1204 n_fors = count_comp_fors(c, n);
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1205 if (n_fors == -1)
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1206 return NULL;
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1207
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1208 comps = asdl_seq_new(n_fors, c->c_arena);
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1209 if (!comps)
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1210 return NULL;
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1211
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1212 for (i = 0; i < n_fors; i++) {
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1213 comprehension_ty comp;
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1214 asdl_seq *t;
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1215 expr_ty expression, first;
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1216 node *for_ch;
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1217
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1218 REQ(n, comp_for);
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1219
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1220 for_ch = CHILD(n, 1);
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1221 t = ast_for_exprlist(c, for_ch, Store);
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1222 if (!t)
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1223 return NULL;
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1224 expression = ast_for_expr(c, CHILD(n, 3));
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1225 if (!expression)
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1226 return NULL;
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1227
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1228 /* Check the # of children rather than the length of t, since
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1229 (x for x, in ...) has 1 element in t, but still requires a Tuple. */
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1230 first = (expr_ty)asdl_seq_GET(t, 0);
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1231 if (NCH(for_ch) == 1)
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1232 comp = comprehension(first, expression, NULL, c->c_arena);
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1233 else
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1234 comp = comprehension(Tuple(t, Store, first->lineno, first->col_offset,
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1235 c->c_arena),
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1236 expression, NULL, c->c_arena);
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1237 if (!comp)
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1238 return NULL;
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1239
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1240 if (NCH(n) == 5) {
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1241 int j, n_ifs;
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1242 asdl_seq *ifs;
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1243
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1244 n = CHILD(n, 4);
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1245 n_ifs = count_comp_ifs(c, n);
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1246 if (n_ifs == -1)
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1247 return NULL;
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1248
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1249 ifs = asdl_seq_new(n_ifs, c->c_arena);
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1250 if (!ifs)
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1251 return NULL;
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1252
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1253 for (j = 0; j < n_ifs; j++) {
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1254 REQ(n, comp_iter);
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1255 n = CHILD(n, 0);
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1256 REQ(n, comp_if);
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1257
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1258 expression = ast_for_expr(c, CHILD(n, 1));
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1259 if (!expression)
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1260 return NULL;
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1261 asdl_seq_SET(ifs, j, expression);
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1262 if (NCH(n) == 3)
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1263 n = CHILD(n, 2);
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1264 }
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1265 /* on exit, must guarantee that n is a comp_for */
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1266 if (TYPE(n) == comp_iter)
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1267 n = CHILD(n, 0);
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1268 comp->ifs = ifs;
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1269 }
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1270 asdl_seq_SET(comps, i, comp);
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1271 }
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1272 return comps;
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1273 }
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1274
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1275 static expr_ty
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1276 ast_for_itercomp(struct compiling *c, const node *n, int type)
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1277 {
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1278 /* testlist_comp: test ( comp_for | (',' test)* [','] )
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1279 argument: [test '='] test [comp_for] # Really [keyword '='] test */
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1280 expr_ty elt;
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1281 asdl_seq *comps;
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1282
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1283 assert(NCH(n) > 1);
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1284
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1285 elt = ast_for_expr(c, CHILD(n, 0));
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1286 if (!elt)
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1287 return NULL;
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1288
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1289 comps = ast_for_comprehension(c, CHILD(n, 1));
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1290 if (!comps)
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1291 return NULL;
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1292
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1293 if (type == COMP_GENEXP)
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1294 return GeneratorExp(elt, comps, LINENO(n), n->n_col_offset, c->c_arena);
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1295 else if (type == COMP_LISTCOMP)
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1296 return ListComp(elt, comps, LINENO(n), n->n_col_offset, c->c_arena);
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1297 else if (type == COMP_SETCOMP)
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1298 return SetComp(elt, comps, LINENO(n), n->n_col_offset, c->c_arena);
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1299 else
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1300 /* Should never happen */
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1301 return NULL;
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1302 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1303
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1304 static expr_ty
42193
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parents: 42084
diff changeset
1305 ast_for_dictcomp(struct compiling *c, const node *n)
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1306 {
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1307 expr_ty key, value;
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1308 asdl_seq *comps;
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diff changeset
1309
42193
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1310 assert(NCH(n) > 3);
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1311 REQ(CHILD(n, 1), COLON);
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1312
42193
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diff changeset
1313 key = ast_for_expr(c, CHILD(n, 0));
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1314 if (!key)
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1315 return NULL;
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1316 value = ast_for_expr(c, CHILD(n, 2));
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1317 if (!value)
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1318 return NULL;
61467
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parents: 56955
diff changeset
1319
42193
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1320 comps = ast_for_comprehension(c, CHILD(n, 3));
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1321 if (!comps)
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parents: 42084
diff changeset
1322 return NULL;
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diff changeset
1323
42193
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1324 return DictComp(key, value, comps, LINENO(n), n->n_col_offset, c->c_arena);
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1325 }
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1326
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1327 static expr_ty
41464
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Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1328 ast_for_genexp(struct compiling *c, const node *n)
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1329 {
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1330 assert(TYPE(n) == (testlist_comp) || TYPE(n) == (argument));
42193
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1331 return ast_for_itercomp(c, n, COMP_GENEXP);
41464
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Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1332 }
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1333
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1334 static expr_ty
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1335 ast_for_listcomp(struct compiling *c, const node *n)
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1336 {
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1337 assert(TYPE(n) == (testlist_comp));
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1338 return ast_for_itercomp(c, n, COMP_LISTCOMP);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1339 }
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1340
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1341 static expr_ty
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1342 ast_for_setcomp(struct compiling *c, const node *n)
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1343 {
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1344 assert(TYPE(n) == (dictorsetmaker));
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1345 return ast_for_itercomp(c, n, COMP_SETCOMP);
41464
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Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1346 }
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1347
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1348
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1349 static expr_ty
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1350 ast_for_atom(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1351 {
41464
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Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1352 /* atom: '(' [yield_expr|testlist_comp] ')' | '[' [testlist_comp] ']'
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1353 | '{' [dictmaker|testlist_comp] '}' | NAME | NUMBER | STRING+
41969
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Guido van Rossum <guido@python.org>
parents: 41824
diff changeset
1354 | '...' | 'None' | 'True' | 'False'
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1355 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1356 node *ch = CHILD(n, 0);
40894
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Thomas Wouters <thomas@python.org>
parents: 40774
diff changeset
1357 int bytesmode = 0;
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1358
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1359 switch (TYPE(ch)) {
49844
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Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
1360 case NAME: {
40450
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Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1361 /* All names start in Load context, but may later be
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1362 changed. */
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
1363 PyObject *name = NEW_IDENTIFIER(ch);
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Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
1364 if (!name)
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
1365 return NULL;
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parents: 49797
diff changeset
1366 return Name(name, Load, LINENO(n), n->n_col_offset, c->c_arena);
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
1367 }
35742
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1368 case STRING: {
40894
0ea24f4f2467 Bytes literal.
Thomas Wouters <thomas@python.org>
parents: 40774
diff changeset
1369 PyObject *str = parsestrplus(c, n, &bytesmode);
42309
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Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1370 if (!str) {
82136
305210a08fc9 Issue #12983: Bytes literals with invalid \x escape now raise a SyntaxError
Serhiy Storchaka <storchaka@gmail.com>
parents: 82110
diff changeset
1371 const char *errtype = NULL;
305210a08fc9 Issue #12983: Bytes literals with invalid \x escape now raise a SyntaxError
Serhiy Storchaka <storchaka@gmail.com>
parents: 82110
diff changeset
1372 if (PyErr_ExceptionMatches(PyExc_UnicodeError))
305210a08fc9 Issue #12983: Bytes literals with invalid \x escape now raise a SyntaxError
Serhiy Storchaka <storchaka@gmail.com>
parents: 82110
diff changeset
1373 errtype = "unicode error";
305210a08fc9 Issue #12983: Bytes literals with invalid \x escape now raise a SyntaxError
Serhiy Storchaka <storchaka@gmail.com>
parents: 82110
diff changeset
1374 else if (PyErr_ExceptionMatches(PyExc_ValueError))
305210a08fc9 Issue #12983: Bytes literals with invalid \x escape now raise a SyntaxError
Serhiy Storchaka <storchaka@gmail.com>
parents: 82110
diff changeset
1375 errtype = "value error";
305210a08fc9 Issue #12983: Bytes literals with invalid \x escape now raise a SyntaxError
Serhiy Storchaka <storchaka@gmail.com>
parents: 82110
diff changeset
1376 if (errtype) {
305210a08fc9 Issue #12983: Bytes literals with invalid \x escape now raise a SyntaxError
Serhiy Storchaka <storchaka@gmail.com>
parents: 82110
diff changeset
1377 char buf[128];
42309
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Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1378 PyObject *type, *value, *tback, *errstr;
bd6acfdb47d2 Merged revisions 56301-56442 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1379 PyErr_Fetch(&type, &value, &tback);
49797
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Benjamin Peterson <benjamin@python.org>
parents: 49697
diff changeset
1380 errstr = PyObject_Str(value);
42309
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Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1381 if (errstr) {
82136
305210a08fc9 Issue #12983: Bytes literals with invalid \x escape now raise a SyntaxError
Serhiy Storchaka <storchaka@gmail.com>
parents: 82110
diff changeset
1382 char *s = _PyUnicode_AsString(errstr);
305210a08fc9 Issue #12983: Bytes literals with invalid \x escape now raise a SyntaxError
Serhiy Storchaka <storchaka@gmail.com>
parents: 82110
diff changeset
1383 PyOS_snprintf(buf, sizeof(buf), "(%s) %s", errtype, s);
49797
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Benjamin Peterson <benjamin@python.org>
parents: 49697
diff changeset
1384 Py_DECREF(errstr);
42309
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Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1385 } else {
82136
305210a08fc9 Issue #12983: Bytes literals with invalid \x escape now raise a SyntaxError
Serhiy Storchaka <storchaka@gmail.com>
parents: 82110
diff changeset
1386 PyOS_snprintf(buf, sizeof(buf), "(%s) unknown error", errtype);
42309
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parents: 42193
diff changeset
1387 }
82136
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Serhiy Storchaka <storchaka@gmail.com>
parents: 82110
diff changeset
1388 ast_error(n, buf);
42309
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Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1389 Py_DECREF(type);
bd6acfdb47d2 Merged revisions 56301-56442 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1390 Py_DECREF(value);
bd6acfdb47d2 Merged revisions 56301-56442 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1391 Py_XDECREF(tback);
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Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1392 }
40450
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parents: 40215
diff changeset
1393 return NULL;
42309
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Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1394 }
40450
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Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1395 PyArena_AddPyObject(c->c_arena, str);
40894
0ea24f4f2467 Bytes literal.
Thomas Wouters <thomas@python.org>
parents: 40774
diff changeset
1396 if (bytesmode)
0ea24f4f2467 Bytes literal.
Thomas Wouters <thomas@python.org>
parents: 40774
diff changeset
1397 return Bytes(str, LINENO(n), n->n_col_offset, c->c_arena);
0ea24f4f2467 Bytes literal.
Thomas Wouters <thomas@python.org>
parents: 40774
diff changeset
1398 else
0ea24f4f2467 Bytes literal.
Thomas Wouters <thomas@python.org>
parents: 40774
diff changeset
1399 return Str(str, LINENO(n), n->n_col_offset, c->c_arena);
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parents:
diff changeset
1400 }
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parents:
diff changeset
1401 case NUMBER: {
46664
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Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
1402 PyObject *pynum = parsenumber(c, STR(ch));
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
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parents: 40215
diff changeset
1403 if (!pynum)
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parents: 40215
diff changeset
1404 return NULL;
36065
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parents: 36001
diff changeset
1405
40450
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diff changeset
1406 PyArena_AddPyObject(c->c_arena, pynum);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
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parents: 40215
diff changeset
1407 return Num(pynum, LINENO(n), n->n_col_offset, c->c_arena);
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1408 }
41230
b1a18c7ed5ca Make ELLIPSIS a separate token. This makes it a syntax error to write ". . ." for Ellipsis.
Georg Brandl <georg@python.org>
parents: 41226
diff changeset
1409 case ELLIPSIS: /* Ellipsis */
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1410 return Ellipsis(LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1411 case LPAR: /* some parenthesized expressions */
40450
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Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1412 ch = CHILD(n, 1);
61467
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parents: 56955
diff changeset
1413
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Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1414 if (TYPE(ch) == RPAR)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1415 return Tuple(NULL, Load, LINENO(n), n->n_col_offset, c->c_arena);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1416
40450
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Thomas Wouters <thomas@python.org>
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diff changeset
1417 if (TYPE(ch) == yield_expr)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1418 return ast_for_expr(c, ch);
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Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1419
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1420 /* testlist_comp: test ( comp_for | (',' test)* [','] ) */
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1421 if ((NCH(ch) > 1) && (TYPE(CHILD(ch, 1)) == comp_for))
40450
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Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1422 return ast_for_genexp(c, ch);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1423
41464
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Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1424 return ast_for_testlist(c, ch);
35742
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1425 case LSQB: /* list (or list comprehension) */
40450
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Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1426 ch = CHILD(n, 1);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1427
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1428 if (TYPE(ch) == RSQB)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1429 return List(NULL, Load, LINENO(n), n->n_col_offset, c->c_arena);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1430
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1431 REQ(ch, testlist_comp);
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1432 if (NCH(ch) == 1 || TYPE(CHILD(ch, 1)) == COMMA) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1433 asdl_seq *elts = seq_for_testlist(c, ch);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1434 if (!elts)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1435 return NULL;
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1436
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1437 return List(elts, Load, LINENO(n), n->n_col_offset, c->c_arena);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1438 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1439 else
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1440 return ast_for_listcomp(c, ch);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1441 case LBRACE: {
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1442 /* dictorsetmaker: test ':' test (',' test ':' test)* [','] |
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1443 * test (gen_for | (',' test)* [',']) */
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1444 int i, size;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1445 asdl_seq *keys, *values;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1446
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1447 ch = CHILD(n, 1);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1448 if (TYPE(ch) == RBRACE) {
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1449 /* it's an empty dict */
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1450 return Dict(NULL, NULL, LINENO(n), n->n_col_offset, c->c_arena);
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1451 } else if (NCH(ch) == 1 || TYPE(CHILD(ch, 1)) == COMMA) {
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1452 /* it's a simple set */
41482
a5e410639e24 Make it compile with C89.
Guido van Rossum <guido@python.org>
parents: 41464
diff changeset
1453 asdl_seq *elts;
39693
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1454 size = (NCH(ch) + 1) / 2; /* +1 in case no trailing comma */
41482
a5e410639e24 Make it compile with C89.
Guido van Rossum <guido@python.org>
parents: 41464
diff changeset
1455 elts = asdl_seq_new(size, c->c_arena);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1456 if (!elts)
39693
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1457 return NULL;
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1458 for (i = 0; i < NCH(ch); i += 2) {
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1459 expr_ty expression;
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1460 expression = ast_for_expr(c, CHILD(ch, i));
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1461 if (!expression)
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1462 return NULL;
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1463 asdl_seq_SET(elts, i / 2, expression);
39693
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1464 }
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1465 return Set(elts, LINENO(n), n->n_col_offset, c->c_arena);
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1466 } else if (TYPE(CHILD(ch, 1)) == comp_for) {
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1467 /* it's a set comprehension */
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1468 return ast_for_setcomp(c, ch);
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1469 } else if (NCH(ch) > 3 && TYPE(CHILD(ch, 3)) == comp_for) {
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1470 return ast_for_dictcomp(c, ch);
39693
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1471 } else {
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1472 /* it's a dict */
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1473 size = (NCH(ch) + 1) / 4; /* +1 in case no trailing comma */
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1474 keys = asdl_seq_new(size, c->c_arena);
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1475 if (!keys)
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1476 return NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1477
39693
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1478 values = asdl_seq_new(size, c->c_arena);
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1479 if (!values)
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1480 return NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1481
39693
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1482 for (i = 0; i < NCH(ch); i += 4) {
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1483 expr_ty expression;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1484
39693
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1485 expression = ast_for_expr(c, CHILD(ch, i));
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1486 if (!expression)
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1487 return NULL;
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1488
39693
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1489 asdl_seq_SET(keys, i / 4, expression);
35873
76ed7fdc9d85 Fix a whole bunch of potential memory leaks (and some real ones too)
Neal Norwitz <nnorwitz@gmail.com>
parents: 35870
diff changeset
1490
39693
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1491 expression = ast_for_expr(c, CHILD(ch, i + 2));
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1492 if (!expression)
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1493 return NULL;
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1494
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1495 asdl_seq_SET(values, i / 4, expression);
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1496 }
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1497 return Dict(keys, values, LINENO(n), n->n_col_offset, c->c_arena);
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1498 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1499 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1500 default:
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1501 PyErr_Format(PyExc_SystemError, "unhandled atom %d", TYPE(ch));
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1502 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1503 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1504 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1505
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1506 static slice_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1507 ast_for_slice(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1508 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1509 node *ch;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1510 expr_ty lower = NULL, upper = NULL, step = NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1511
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1512 REQ(n, subscript);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1513
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1514 /*
39783
7a0ad110e91e Patch #1550786: ellipsis literal.
Georg Brandl <georg@python.org>
parents: 39782
diff changeset
1515 subscript: test | [test] ':' [test] [sliceop]
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1516 sliceop: ':' [test]
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1517 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1518 ch = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1519 if (NCH(n) == 1 && TYPE(ch) == test) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1520 /* 'step' variable hold no significance in terms of being used over
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1521 other vars */
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1522 step = ast_for_expr(c, ch);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1523 if (!step)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1524 return NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1525
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1526 return Index(step, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1527 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1528
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1529 if (TYPE(ch) == test) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1530 lower = ast_for_expr(c, ch);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1531 if (!lower)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1532 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1533 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1534
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1535 /* If there's an upper bound it's in the second or third position. */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1536 if (TYPE(ch) == COLON) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1537 if (NCH(n) > 1) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1538 node *n2 = CHILD(n, 1);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1539
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1540 if (TYPE(n2) == test) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1541 upper = ast_for_expr(c, n2);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1542 if (!upper)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1543 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1544 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1545 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1546 } else if (NCH(n) > 2) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1547 node *n2 = CHILD(n, 2);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1548
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1549 if (TYPE(n2) == test) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1550 upper = ast_for_expr(c, n2);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1551 if (!upper)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1552 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1553 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1554 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1555
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1556 ch = CHILD(n, NCH(n) - 1);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1557 if (TYPE(ch) == sliceop) {
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
1558 if (NCH(ch) != 1) {
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1559 ch = CHILD(ch, 1);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1560 if (TYPE(ch) == test) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1561 step = ast_for_expr(c, ch);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1562 if (!step)
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1563 return NULL;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1564 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1565 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1566 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1567
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1568 return Slice(lower, upper, step, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1569 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1570
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1571 static expr_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1572 ast_for_binop(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1573 {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1574 /* Must account for a sequence of expressions.
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1575 How should A op B op C by represented?
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1576 BinOp(BinOp(A, op, B), op, C).
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1577 */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1578
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1579 int i, nops;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1580 expr_ty expr1, expr2, result;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1581 operator_ty newoperator;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1582
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1583 expr1 = ast_for_expr(c, CHILD(n, 0));
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1584 if (!expr1)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1585 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1586
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1587 expr2 = ast_for_expr(c, CHILD(n, 2));
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1588 if (!expr2)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1589 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1590
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1591 newoperator = get_operator(CHILD(n, 1));
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1592 if (!newoperator)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1593 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1594
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1595 result = BinOp(expr1, newoperator, expr2, LINENO(n), n->n_col_offset,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1596 c->c_arena);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1597 if (!result)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1598 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1599
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1600 nops = (NCH(n) - 1) / 2;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1601 for (i = 1; i < nops; i++) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1602 expr_ty tmp_result, tmp;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1603 const node* next_oper = CHILD(n, i * 2 + 1);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1604
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1605 newoperator = get_operator(next_oper);
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1606 if (!newoperator)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1607 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1608
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1609 tmp = ast_for_expr(c, CHILD(n, i * 2 + 2));
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1610 if (!tmp)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1611 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1612
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1613 tmp_result = BinOp(result, newoperator, tmp,
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1614 LINENO(next_oper), next_oper->n_col_offset,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1615 c->c_arena);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1616 if (!tmp_result)
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1617 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1618 result = tmp_result;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1619 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1620 return result;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1621 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1622
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1623 static expr_ty
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1624 ast_for_trailer(struct compiling *c, const node *n, expr_ty left_expr)
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1625 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1626 /* trailer: '(' [arglist] ')' | '[' subscriptlist ']' | '.' NAME
36686
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1627 subscriptlist: subscript (',' subscript)* [',']
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1628 subscript: '.' '.' '.' | test | [test] ':' [test] [sliceop]
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1629 */
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1630 REQ(n, trailer);
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1631 if (TYPE(CHILD(n, 0)) == LPAR) {
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1632 if (NCH(n) == 2)
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1633 return Call(left_expr, NULL, NULL, NULL, NULL, LINENO(n),
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1634 n->n_col_offset, c->c_arena);
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1635 else
36679
e1391910b026 Simplify ast_for_trailer() in anticipation of more changes.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36676
diff changeset
1636 return ast_for_call(c, CHILD(n, 1), left_expr);
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1637 }
36679
e1391910b026 Simplify ast_for_trailer() in anticipation of more changes.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36676
diff changeset
1638 else if (TYPE(CHILD(n, 0)) == DOT ) {
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
1639 PyObject *attr_id = NEW_IDENTIFIER(CHILD(n, 1));
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
1640 if (!attr_id)
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
1641 return NULL;
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
1642 return Attribute(left_expr, attr_id, Load,
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
1643 LINENO(n), n->n_col_offset, c->c_arena);
36679
e1391910b026 Simplify ast_for_trailer() in anticipation of more changes.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36676
diff changeset
1644 }
e1391910b026 Simplify ast_for_trailer() in anticipation of more changes.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36676
diff changeset
1645 else {
e1391910b026 Simplify ast_for_trailer() in anticipation of more changes.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36676
diff changeset
1646 REQ(CHILD(n, 0), LSQB);
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1647 REQ(CHILD(n, 2), RSQB);
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1648 n = CHILD(n, 1);
36686
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1649 if (NCH(n) == 1) {
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1650 slice_ty slc = ast_for_slice(c, CHILD(n, 0));
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1651 if (!slc)
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1652 return NULL;
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1653 return Subscript(left_expr, slc, Load, LINENO(n), n->n_col_offset,
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1654 c->c_arena);
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1655 }
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1656 else {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1657 /* The grammar is ambiguous here. The ambiguity is resolved
36686
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1658 by treating the sequence as a tuple literal if there are
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1659 no slice features.
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1660 */
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1661 int j;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1662 slice_ty slc;
36686
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1663 expr_ty e;
40941
2ca14d6a369b Whoops, fix build breakage. There were still a few uses of the bool type.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40894
diff changeset
1664 int simple = 1;
36686
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1665 asdl_seq *slices, *elts;
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1666 slices = asdl_seq_new((NCH(n) + 1) / 2, c->c_arena);
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1667 if (!slices)
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1668 return NULL;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1669 for (j = 0; j < NCH(n); j += 2) {
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1670 slc = ast_for_slice(c, CHILD(n, j));
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1671 if (!slc)
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1672 return NULL;
36686
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1673 if (slc->kind != Index_kind)
40941
2ca14d6a369b Whoops, fix build breakage. There were still a few uses of the bool type.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40894
diff changeset
1674 simple = 0;
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1675 asdl_seq_SET(slices, j / 2, slc);
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1676 }
36686
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1677 if (!simple) {
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1678 return Subscript(left_expr, ExtSlice(slices, c->c_arena),
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
1679 Load, LINENO(n), n->n_col_offset, c->c_arena);
36686
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1680 }
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1681 /* extract Index values and put them in a Tuple */
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1682 elts = asdl_seq_new(asdl_seq_LEN(slices), c->c_arena);
36877
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 36786
diff changeset
1683 if (!elts)
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 36786
diff changeset
1684 return NULL;
36686
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1685 for (j = 0; j < asdl_seq_LEN(slices); ++j) {
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1686 slc = (slice_ty)asdl_seq_GET(slices, j);
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1687 assert(slc->kind == Index_kind && slc->v.Index.value);
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1688 asdl_seq_SET(elts, j, slc->v.Index.value);
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1689 }
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
1690 e = Tuple(elts, Load, LINENO(n), n->n_col_offset, c->c_arena);
36686
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1691 if (!e)
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1692 return NULL;
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
1693 return Subscript(left_expr, Index(e, c->c_arena),
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
1694 Load, LINENO(n), n->n_col_offset, c->c_arena);
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1695 }
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1696 }
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1697 }
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1698
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1699 static expr_ty
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1700 ast_for_factor(struct compiling *c, const node *n)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1701 {
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1702 expr_ty expression;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1703
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1704 expression = ast_for_expr(c, CHILD(n, 1));
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1705 if (!expression)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1706 return NULL;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1707
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1708 switch (TYPE(CHILD(n, 0))) {
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1709 case PLUS:
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1710 return UnaryOp(UAdd, expression, LINENO(n), n->n_col_offset,
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1711 c->c_arena);
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1712 case MINUS:
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1713 return UnaryOp(USub, expression, LINENO(n), n->n_col_offset,
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1714 c->c_arena);
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1715 case TILDE:
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1716 return UnaryOp(Invert, expression, LINENO(n),
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1717 n->n_col_offset, c->c_arena);
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1718 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1719 PyErr_Format(PyExc_SystemError, "unhandled factor: %d",
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1720 TYPE(CHILD(n, 0)));
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1721 return NULL;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1722 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1723
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1724 static expr_ty
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1725 ast_for_power(struct compiling *c, const node *n)
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1726 {
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1727 /* power: atom trailer* ('**' factor)*
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1728 */
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1729 int i;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1730 expr_ty e, tmp;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1731 REQ(n, power);
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1732 e = ast_for_atom(c, CHILD(n, 0));
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1733 if (!e)
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1734 return NULL;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1735 if (NCH(n) == 1)
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1736 return e;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1737 for (i = 1; i < NCH(n); i++) {
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1738 node *ch = CHILD(n, i);
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1739 if (TYPE(ch) != trailer)
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1740 break;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1741 tmp = ast_for_trailer(c, ch, e);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1742 if (!tmp)
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1743 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1744 tmp->lineno = e->lineno;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1745 tmp->col_offset = e->col_offset;
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1746 e = tmp;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1747 }
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1748 if (TYPE(CHILD(n, NCH(n) - 1)) == factor) {
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1749 expr_ty f = ast_for_expr(c, CHILD(n, NCH(n) - 1));
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1750 if (!f)
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1751 return NULL;
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
1752 tmp = BinOp(e, Pow, f, LINENO(n), n->n_col_offset, c->c_arena);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1753 if (!tmp)
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1754 return NULL;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1755 e = tmp;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1756 }
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1757 return e;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1758 }
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1759
41699
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
1760 static expr_ty
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
1761 ast_for_starred(struct compiling *c, const node *n)
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
1762 {
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
1763 expr_ty tmp;
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
1764 REQ(n, star_expr);
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
1765
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
1766 tmp = ast_for_expr(c, CHILD(n, 1));
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
1767 if (!tmp)
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
1768 return NULL;
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
1769
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
1770 /* The Load context is changed later. */
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
1771 return Starred(tmp, Load, LINENO(n), n->n_col_offset, c->c_arena);
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
1772 }
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
1773
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
1774
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1775 /* Do not name a variable 'expr'! Will cause a compile error.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1776 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1777
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1778 static expr_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1779 ast_for_expr(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1780 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1781 /* handle the full range of simple expressions
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1782 test: or_test ['if' or_test 'else' test] | lambdef
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1783 test_nocond: or_test | lambdef_nocond
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1784 or_test: and_test ('or' and_test)*
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1785 and_test: not_test ('and' not_test)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1786 not_test: 'not' not_test | comparison
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1787 comparison: expr (comp_op expr)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1788 expr: xor_expr ('|' xor_expr)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1789 xor_expr: and_expr ('^' and_expr)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1790 and_expr: shift_expr ('&' shift_expr)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1791 shift_expr: arith_expr (('<<'|'>>') arith_expr)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1792 arith_expr: term (('+'|'-') term)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1793 term: factor (('*'|'/'|'%'|'//') factor)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1794 factor: ('+'|'-'|'~') factor | power
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1795 power: atom trailer* ('**' factor)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1796 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1797
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1798 asdl_seq *seq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1799 int i;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1800
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1801 loop:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1802 switch (TYPE(n)) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1803 case test:
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1804 case test_nocond:
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1805 if (TYPE(CHILD(n, 0)) == lambdef ||
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1806 TYPE(CHILD(n, 0)) == lambdef_nocond)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1807 return ast_for_lambdef(c, CHILD(n, 0));
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1808 else if (NCH(n) > 1)
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1809 return ast_for_ifexpr(c, n);
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1810 /* Fallthrough */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1811 case or_test:
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1812 case and_test:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1813 if (NCH(n) == 1) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1814 n = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1815 goto loop;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1816 }
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1817 seq = asdl_seq_new((NCH(n) + 1) / 2, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1818 if (!seq)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1819 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1820 for (i = 0; i < NCH(n); i += 2) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1821 expr_ty e = ast_for_expr(c, CHILD(n, i));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1822 if (!e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1823 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1824 asdl_seq_SET(seq, i / 2, e);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1825 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1826 if (!strcmp(STR(CHILD(n, 1)), "and"))
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1827 return BoolOp(And, seq, LINENO(n), n->n_col_offset,
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1828 c->c_arena);
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
1829 assert(!strcmp(STR(CHILD(n, 1)), "or"));
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
1830 return BoolOp(Or, seq, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1831 case not_test:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1832 if (NCH(n) == 1) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1833 n = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1834 goto loop;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1835 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1836 else {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1837 expr_ty expression = ast_for_expr(c, CHILD(n, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1838 if (!expression)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1839 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1840
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1841 return UnaryOp(Not, expression, LINENO(n), n->n_col_offset,
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1842 c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1843 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1844 case comparison:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1845 if (NCH(n) == 1) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1846 n = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1847 goto loop;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1848 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1849 else {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1850 expr_ty expression;
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1851 asdl_int_seq *ops;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1852 asdl_seq *cmps;
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1853 ops = asdl_int_seq_new(NCH(n) / 2, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1854 if (!ops)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1855 return NULL;
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1856 cmps = asdl_seq_new(NCH(n) / 2, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1857 if (!cmps) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1858 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1859 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1860 for (i = 1; i < NCH(n); i += 2) {
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1861 cmpop_ty newoperator;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1862
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
1863 newoperator = ast_for_comp_op(c, CHILD(n, i));
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1864 if (!newoperator) {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1865 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1866 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1867
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1868 expression = ast_for_expr(c, CHILD(n, i + 1));
35873
76ed7fdc9d85 Fix a whole bunch of potential memory leaks (and some real ones too)
Neal Norwitz <nnorwitz@gmail.com>
parents: 35870
diff changeset
1869 if (!expression) {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1870 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1871 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1872
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1873 asdl_seq_SET(ops, i / 2, newoperator);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1874 asdl_seq_SET(cmps, i / 2, expression);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1875 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1876 expression = ast_for_expr(c, CHILD(n, 0));
35873
76ed7fdc9d85 Fix a whole bunch of potential memory leaks (and some real ones too)
Neal Norwitz <nnorwitz@gmail.com>
parents: 35870
diff changeset
1877 if (!expression) {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1878 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1879 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1880
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1881 return Compare(expression, ops, cmps, LINENO(n),
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1882 n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1883 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1884 break;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1885
41699
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
1886 case star_expr:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56951
diff changeset
1887 return ast_for_starred(c, n);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1888 /* The next five cases all handle BinOps. The main body of code
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1889 is the same in each case, but the switch turned inside out to
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1890 reuse the code for each type of operator.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1891 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1892 case expr:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1893 case xor_expr:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1894 case and_expr:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1895 case shift_expr:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1896 case arith_expr:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1897 case term:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1898 if (NCH(n) == 1) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1899 n = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1900 goto loop;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1901 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1902 return ast_for_binop(c, n);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1903 case yield_expr: {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1904 expr_ty exp = NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1905 if (NCH(n) == 2) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1906 exp = ast_for_testlist(c, CHILD(n, 1));
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1907 if (!exp)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1908 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1909 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1910 return Yield(exp, LINENO(n), n->n_col_offset, c->c_arena);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1911 }
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1912 case factor:
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1913 if (NCH(n) == 1) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1914 n = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1915 goto loop;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1916 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1917 return ast_for_factor(c, n);
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1918 case power:
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
1919 return ast_for_power(c, n);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1920 default:
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
1921 PyErr_Format(PyExc_SystemError, "unhandled expr: %d", TYPE(n));
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1922 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1923 }
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
1924 /* should never get here unless if error is set */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1925 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1926 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1927
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1928 static expr_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1929 ast_for_call(struct compiling *c, const node *n, expr_ty func)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1930 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1931 /*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1932 arglist: (argument ',')* (argument [',']| '*' test [',' '**' test]
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1933 | '**' test)
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1934 argument: [test '='] test [comp_for] # Really [keyword '='] test
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1935 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1936
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1937 int i, nargs, nkeywords, ngens;
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
1938 asdl_seq *args;
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
1939 asdl_seq *keywords;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1940 expr_ty vararg = NULL, kwarg = NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1941
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1942 REQ(n, arglist);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1943
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1944 nargs = 0;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1945 nkeywords = 0;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1946 ngens = 0;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1947 for (i = 0; i < NCH(n); i++) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1948 node *ch = CHILD(n, i);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
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parents: 40215
diff changeset
1949 if (TYPE(ch) == argument) {
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Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1950 if (NCH(ch) == 1)
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Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1951 nargs++;
41464
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Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1952 else if (TYPE(CHILD(ch, 1)) == comp_for)
40450
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parents: 40215
diff changeset
1953 ngens++;
35742
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parents:
diff changeset
1954 else
40450
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parents: 40215
diff changeset
1955 nkeywords++;
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Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1956 }
35742
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parents:
diff changeset
1957 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1958 if (ngens > 1 || (ngens && (nargs || nkeywords))) {
36418
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
1959 ast_error(n, "Generator expression must be parenthesized "
40450
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parents: 40215
diff changeset
1960 "if not sole argument");
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parents: 40215
diff changeset
1961 return NULL;
35742
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1962 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1963
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1964 if (nargs + nkeywords + ngens > 255) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1965 ast_error(n, "more than 255 arguments");
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1966 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1967 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1968
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1969 args = asdl_seq_new(nargs + ngens, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1970 if (!args)
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1971 return NULL;
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1972 keywords = asdl_seq_new(nkeywords, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1973 if (!keywords)
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1974 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1975 nargs = 0;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1976 nkeywords = 0;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1977 for (i = 0; i < NCH(n); i++) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1978 node *ch = CHILD(n, i);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1979 if (TYPE(ch) == argument) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1980 expr_ty e;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1981 if (NCH(ch) == 1) {
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Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1982 if (nkeywords) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1983 ast_error(CHILD(ch, 0),
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1984 "non-keyword arg after keyword arg");
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1985 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1986 }
48777
6abada05c313 allow keyword args after *args in a function call
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
1987 if (vararg) {
6abada05c313 allow keyword args after *args in a function call
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
1988 ast_error(CHILD(ch, 0),
6abada05c313 allow keyword args after *args in a function call
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
1989 "only named arguments may follow *expression");
6abada05c313 allow keyword args after *args in a function call
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
1990 return NULL;
6abada05c313 allow keyword args after *args in a function call
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
1991 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1992 e = ast_for_expr(c, CHILD(ch, 0));
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1993 if (!e)
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1994 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1995 asdl_seq_SET(args, nargs++, e);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1996 }
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1997 else if (TYPE(CHILD(ch, 1)) == comp_for) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1998 e = ast_for_genexp(c, ch);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1999 if (!e)
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2000 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2001 asdl_seq_SET(args, nargs++, e);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2002 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2003 else {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2004 keyword_ty kw;
48397
42309437f1ca Merged revisions 64622 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48330
diff changeset
2005 identifier key, tmp;
42309437f1ca Merged revisions 64622 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48330
diff changeset
2006 int k;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2007
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2008 /* CHILD(ch, 0) is test, but must be an identifier? */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2009 e = ast_for_expr(c, CHILD(ch, 0));
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2010 if (!e)
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2011 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2012 /* f(lambda x: x[0] = 3) ends up getting parsed with
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2013 * LHS test = lambda x: x[0], and RHS test = 3.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2014 * SF bug 132313 points out that complaining about a keyword
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2015 * then is very confusing.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2016 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2017 if (e->kind == Lambda_kind) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2018 ast_error(CHILD(ch, 0), "lambda cannot contain assignment");
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2019 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2020 } else if (e->kind != Name_kind) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2021 ast_error(CHILD(ch, 0), "keyword can't be an expression");
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2022 return NULL;
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
2023 } else if (forbidden_name(e->v.Name.id, ch, 1)) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2024 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2025 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2026 key = e->v.Name.id;
48397
42309437f1ca Merged revisions 64622 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48330
diff changeset
2027 for (k = 0; k < nkeywords; k++) {
42309437f1ca Merged revisions 64622 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48330
diff changeset
2028 tmp = ((keyword_ty)asdl_seq_GET(keywords, k))->arg;
42309437f1ca Merged revisions 64622 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48330
diff changeset
2029 if (!PyUnicode_Compare(tmp, key)) {
42309437f1ca Merged revisions 64622 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48330
diff changeset
2030 ast_error(CHILD(ch, 0), "keyword argument repeated");
42309437f1ca Merged revisions 64622 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48330
diff changeset
2031 return NULL;
42309437f1ca Merged revisions 64622 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48330
diff changeset
2032 }
42309437f1ca Merged revisions 64622 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48330
diff changeset
2033 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2034 e = ast_for_expr(c, CHILD(ch, 2));
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2035 if (!e)
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2036 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2037 kw = keyword(key, e, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2038 if (!kw)
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2039 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2040 asdl_seq_SET(keywords, nkeywords++, kw);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2041 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2042 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2043 else if (TYPE(ch) == STAR) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2044 vararg = ast_for_expr(c, CHILD(n, i+1));
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45448
diff changeset
2045 if (!vararg)
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45448
diff changeset
2046 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2047 i++;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2048 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2049 else if (TYPE(ch) == DOUBLESTAR) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2050 kwarg = ast_for_expr(c, CHILD(n, i+1));
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45448
diff changeset
2051 if (!kwarg)
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45448
diff changeset
2052 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2053 i++;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2054 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2055 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2056
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2057 return Call(func, args, keywords, vararg, kwarg, func->lineno, func->col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2058 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2059
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2060 static expr_ty
35798
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2061 ast_for_testlist(struct compiling *c, const node* n)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2062 {
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
2063 /* testlist_comp: test (comp_for | (',' test)* [',']) */
35798
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2064 /* testlist: test (',' test)* [','] */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2065 assert(NCH(n) > 0);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
2066 if (TYPE(n) == testlist_comp) {
35798
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2067 if (NCH(n) > 1)
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
2068 assert(TYPE(CHILD(n, 1)) != comp_for);
35798
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2069 }
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2070 else {
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2071 assert(TYPE(n) == testlist ||
56237
7ee140b7ef93 fix an ambiguity in the grammar from the implementation of extended unpacking
Benjamin Peterson <benjamin@python.org>
parents: 55912
diff changeset
2072 TYPE(n) == testlist_star_expr);
35798
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2073 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2074 if (NCH(n) == 1)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2075 return ast_for_expr(c, CHILD(n, 0));
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2076 else {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2077 asdl_seq *tmp = seq_for_testlist(c, n);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2078 if (!tmp)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2079 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2080 return Tuple(tmp, Load, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2081 }
35798
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2082 }
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2083
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2084 static stmt_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2085 ast_for_expr_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2086 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2087 REQ(n, expr_stmt);
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56951
diff changeset
2088 /* expr_stmt: testlist_star_expr (augassign (yield_expr|testlist)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2089 | ('=' (yield_expr|testlist))*)
56237
7ee140b7ef93 fix an ambiguity in the grammar from the implementation of extended unpacking
Benjamin Peterson <benjamin@python.org>
parents: 55912
diff changeset
2090 testlist_star_expr: (test|star_expr) (',' test|star_expr)* [',']
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2091 augassign: '+=' | '-=' | '*=' | '/=' | '%=' | '&=' | '|=' | '^='
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2092 | '<<=' | '>>=' | '**=' | '//='
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2093 test: ... here starts the operator precendence dance
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2094 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2095
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2096 if (NCH(n) == 1) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2097 expr_ty e = ast_for_testlist(c, CHILD(n, 0));
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2098 if (!e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2099 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2100
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2101 return Expr(e, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2102 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2103 else if (TYPE(CHILD(n, 1)) == augassign) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2104 expr_ty expr1, expr2;
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2105 operator_ty newoperator;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2106 node *ch = CHILD(n, 0);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2107
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2108 expr1 = ast_for_testlist(c, ch);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2109 if (!expr1)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2110 return NULL;
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
2111 if(!set_context(c, expr1, Store, ch))
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
2112 return NULL;
56363
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2113 /* set_context checks that most expressions are not the left side.
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2114 Augmented assignments can only have a name, a subscript, or an
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2115 attribute on the left, though, so we have to explicitly check for
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2116 those. */
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2117 switch (expr1->kind) {
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2118 case Name_kind:
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2119 case Attribute_kind:
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2120 case Subscript_kind:
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2121 break;
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2122 default:
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2123 ast_error(ch, "illegal expression for augmented assignment");
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2124 return NULL;
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2125 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2126
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2127 ch = CHILD(n, 2);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2128 if (TYPE(ch) == testlist)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2129 expr2 = ast_for_testlist(c, ch);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2130 else
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2131 expr2 = ast_for_expr(c, ch);
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2132 if (!expr2)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2133 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2134
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
2135 newoperator = ast_for_augassign(c, CHILD(n, 1));
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2136 if (!newoperator)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2137 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2138
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2139 return AugAssign(expr1, newoperator, expr2, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2140 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2141 else {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2142 int i;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2143 asdl_seq *targets;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2144 node *value;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2145 expr_ty expression;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2146
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2147 /* a normal assignment */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2148 REQ(CHILD(n, 1), EQUAL);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2149 targets = asdl_seq_new(NCH(n) / 2, c->c_arena);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2150 if (!targets)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2151 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2152 for (i = 0; i < NCH(n) - 2; i += 2) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2153 expr_ty e;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2154 node *ch = CHILD(n, i);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2155 if (TYPE(ch) == yield_expr) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2156 ast_error(ch, "assignment to yield expression not possible");
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2157 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2158 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2159 e = ast_for_testlist(c, ch);
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
2160 if (!e)
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
2161 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2162
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2163 /* set context to assign */
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
2164 if (!set_context(c, e, Store, CHILD(n, i)))
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2165 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2166
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2167 asdl_seq_SET(targets, i / 2, e);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2168 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2169 value = CHILD(n, NCH(n) - 1);
56237
7ee140b7ef93 fix an ambiguity in the grammar from the implementation of extended unpacking
Benjamin Peterson <benjamin@python.org>
parents: 55912
diff changeset
2170 if (TYPE(value) == testlist_star_expr)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2171 expression = ast_for_testlist(c, value);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2172 else
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2173 expression = ast_for_expr(c, value);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2174 if (!expression)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2175 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2176 return Assign(targets, expression, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2177 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2178 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2179
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2180
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2181 static asdl_seq *
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2182 ast_for_exprlist(struct compiling *c, const node *n, expr_context_ty context)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2183 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2184 asdl_seq *seq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2185 int i;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2186 expr_ty e;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2187
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2188 REQ(n, exprlist);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2189
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2190 seq = asdl_seq_new((NCH(n) + 1) / 2, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2191 if (!seq)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2192 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2193 for (i = 0; i < NCH(n); i += 2) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2194 e = ast_for_expr(c, CHILD(n, i));
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2195 if (!e)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2196 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2197 asdl_seq_SET(seq, i / 2, e);
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
2198 if (context && !set_context(c, e, context, CHILD(n, i)))
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2199 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2200 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2201 return seq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2202 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2203
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2204 static stmt_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2205 ast_for_del_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2206 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2207 asdl_seq *expr_list;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2208
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2209 /* del_stmt: 'del' exprlist */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2210 REQ(n, del_stmt);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2211
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2212 expr_list = ast_for_exprlist(c, CHILD(n, 1), Del);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2213 if (!expr_list)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2214 return NULL;
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2215 return Delete(expr_list, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2216 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2217
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2218 static stmt_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2219 ast_for_flow_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2220 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2221 /*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2222 flow_stmt: break_stmt | continue_stmt | return_stmt | raise_stmt
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2223 | yield_stmt
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2224 break_stmt: 'break'
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2225 continue_stmt: 'continue'
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2226 return_stmt: 'return' [testlist]
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2227 yield_stmt: yield_expr
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2228 yield_expr: 'yield' testlist
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2229 raise_stmt: 'raise' [test [',' test [',' test]]]
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2230 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2231 node *ch;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2232
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2233 REQ(n, flow_stmt);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2234 ch = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2235 switch (TYPE(ch)) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2236 case break_stmt:
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2237 return Break(LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2238 case continue_stmt:
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2239 return Continue(LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2240 case yield_stmt: { /* will reduce to yield_expr */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2241 expr_ty exp = ast_for_expr(c, CHILD(ch, 0));
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2242 if (!exp)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2243 return NULL;
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2244 return Expr(exp, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2245 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2246 case return_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2247 if (NCH(ch) == 1)
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2248 return Return(NULL, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2249 else {
35798
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2250 expr_ty expression = ast_for_testlist(c, CHILD(ch, 1));
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2251 if (!expression)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2252 return NULL;
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2253 return Return(expression, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2254 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2255 case raise_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2256 if (NCH(ch) == 1)
43102
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents: 42597
diff changeset
2257 return Raise(NULL, NULL, LINENO(n), n->n_col_offset, c->c_arena);
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents: 42597
diff changeset
2258 else if (NCH(ch) >= 2) {
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents: 42597
diff changeset
2259 expr_ty cause = NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2260 expr_ty expression = ast_for_expr(c, CHILD(ch, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2261 if (!expression)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2262 return NULL;
43102
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents: 42597
diff changeset
2263 if (NCH(ch) == 4) {
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents: 42597
diff changeset
2264 cause = ast_for_expr(c, CHILD(ch, 3));
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents: 42597
diff changeset
2265 if (!cause)
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents: 42597
diff changeset
2266 return NULL;
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents: 42597
diff changeset
2267 }
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents: 42597
diff changeset
2268 return Raise(expression, cause, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2269 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2270 default:
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
2271 PyErr_Format(PyExc_SystemError,
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2272 "unexpected flow_stmt: %d", TYPE(ch));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2273 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2274 }
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2275
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2276 PyErr_SetString(PyExc_SystemError, "unhandled flow statement");
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2277 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2278 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2279
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2280 static alias_ty
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2281 alias_for_import_name(struct compiling *c, const node *n, int store)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2282 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2283 /*
36742
658f8ff2a442 Make 'as' an actual keyword when with's future statement is used. Not
Thomas Wouters <thomas@python.org>
parents: 36718
diff changeset
2284 import_as_name: NAME ['as' NAME]
658f8ff2a442 Make 'as' an actual keyword when with's future statement is used. Not
Thomas Wouters <thomas@python.org>
parents: 36718
diff changeset
2285 dotted_as_name: dotted_name ['as' NAME]
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2286 dotted_name: NAME ('.' NAME)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2287 */
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2288 identifier str, name;
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2289
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2290 loop:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2291 switch (TYPE(n)) {
70916
8ece0dacd8e8 fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 69290
diff changeset
2292 case import_as_name: {
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2293 node *name_node = CHILD(n, 0);
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2294 str = NULL;
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2295 name = NEW_IDENTIFIER(name_node);
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2296 if (!name)
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2297 return NULL;
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2298 if (NCH(n) == 3) {
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2299 node *str_node = CHILD(n, 2);
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2300 str = NEW_IDENTIFIER(str_node);
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2301 if (!str)
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2302 return NULL;
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
2303 if (store && forbidden_name(str, str_node, 0))
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2304 return NULL;
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2305 }
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2306 else {
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
2307 if (forbidden_name(name, name_node, 0))
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2308 return NULL;
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2309 }
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2310 return alias(name, str, c->c_arena);
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2311 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2312 case dotted_as_name:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2313 if (NCH(n) == 1) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2314 n = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2315 goto loop;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2316 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2317 else {
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2318 node *asname_node = CHILD(n, 2);
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2319 alias_ty a = alias_for_import_name(c, CHILD(n, 0), 0);
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39442
diff changeset
2320 if (!a)
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39442
diff changeset
2321 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2322 assert(!a->asname);
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2323 a->asname = NEW_IDENTIFIER(asname_node);
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2324 if (!a->asname)
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2325 return NULL;
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
2326 if (forbidden_name(a->asname, asname_node, 0))
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2327 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2328 return a;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2329 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2330 break;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2331 case dotted_name:
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2332 if (NCH(n) == 1) {
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2333 node *name_node = CHILD(n, 0);
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2334 name = NEW_IDENTIFIER(name_node);
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2335 if (!name)
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2336 return NULL;
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
2337 if (store && forbidden_name(name, name_node, 0))
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2338 return NULL;
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2339 return alias(name, NULL, c->c_arena);
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2340 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2341 else {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2342 /* Create a string of the form "a.b.c" */
36242
0f5189607264 Repair bizarre indentation created by VC 7.1.
Tim Peters <tim.peters@gmail.com>
parents: 36241
diff changeset
2343 int i;
36241
557e9b6ee7e1 alias_for_import_name(): Dueling compiler warnings ;-)
Tim Peters <tim.peters@gmail.com>
parents: 36231
diff changeset
2344 size_t len;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2345 char *s;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2346 PyObject *uni;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2347
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2348 len = 0;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2349 for (i = 0; i < NCH(n); i += 2)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2350 /* length of string plus one for the dot */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2351 len += strlen(STR(CHILD(n, i))) + 1;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2352 len--; /* the last name doesn't have a dot */
47301
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46664
diff changeset
2353 str = PyBytes_FromStringAndSize(NULL, len);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2354 if (!str)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2355 return NULL;
47301
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46664
diff changeset
2356 s = PyBytes_AS_STRING(str);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2357 if (!s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2358 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2359 for (i = 0; i < NCH(n); i += 2) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2360 char *sch = STR(CHILD(n, i));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2361 strcpy(s, STR(CHILD(n, i)));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2362 s += strlen(sch);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2363 *s++ = '.';
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2364 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2365 --s;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2366 *s = '\0';
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2367 uni = PyUnicode_DecodeUTF8(PyBytes_AS_STRING(str),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2368 PyBytes_GET_SIZE(str),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2369 NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2370 Py_DECREF(str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2371 if (!uni)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2372 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2373 str = uni;
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41969
diff changeset
2374 PyUnicode_InternInPlace(&str);
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2375 PyArena_AddPyObject(c->c_arena, str);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2376 return alias(str, NULL, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2377 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2378 break;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2379 case STAR:
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41969
diff changeset
2380 str = PyUnicode_InternFromString("*");
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2381 PyArena_AddPyObject(c->c_arena, str);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2382 return alias(str, NULL, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2383 default:
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
2384 PyErr_Format(PyExc_SystemError,
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2385 "unexpected import name: %d", TYPE(n));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2386 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2387 }
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2388
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2389 PyErr_SetString(PyExc_SystemError, "unhandled import name condition");
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2390 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2391 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2392
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2393 static stmt_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2394 ast_for_import_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2395 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2396 /*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2397 import_stmt: import_name | import_from
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2398 import_name: 'import' dotted_as_names
41235
6c8c33a43a15 "from ... import x" should not be a syntax error... make
Georg Brandl <georg@python.org>
parents: 41230
diff changeset
2399 import_from: 'from' (('.' | '...')* dotted_name | ('.' | '...')+)
6c8c33a43a15 "from ... import x" should not be a syntax error... make
Georg Brandl <georg@python.org>
parents: 41230
diff changeset
2400 'import' ('*' | '(' import_as_names ')' | import_as_names)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2401 */
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2402 int lineno;
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2403 int col_offset;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2404 int i;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2405 asdl_seq *aliases;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2406
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2407 REQ(n, import_stmt);
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2408 lineno = LINENO(n);
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2409 col_offset = n->n_col_offset;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2410 n = CHILD(n, 0);
36682
52cbc447e1c9 And some more cleanup.
Thomas Wouters <thomas@python.org>
parents: 36681
diff changeset
2411 if (TYPE(n) == import_name) {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2412 n = CHILD(n, 1);
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2413 REQ(n, dotted_as_names);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2414 aliases = asdl_seq_new((NCH(n) + 1) / 2, c->c_arena);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2415 if (!aliases)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2416 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2417 for (i = 0; i < NCH(n); i += 2) {
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2418 alias_ty import_alias = alias_for_import_name(c, CHILD(n, i), 1);
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2419 if (!import_alias)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2420 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2421 asdl_seq_SET(aliases, i / 2, import_alias);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2422 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2423 return Import(aliases, lineno, col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2424 }
36682
52cbc447e1c9 And some more cleanup.
Thomas Wouters <thomas@python.org>
parents: 36681
diff changeset
2425 else if (TYPE(n) == import_from) {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2426 int n_children;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2427 int idx, ndots = 0;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2428 alias_ty mod = NULL;
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2429 identifier modname = NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2430
36712
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36695
diff changeset
2431 /* Count the number of dots (for relative imports) and check for the
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36695
diff changeset
2432 optional module name */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2433 for (idx = 1; idx < NCH(n); idx++) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2434 if (TYPE(CHILD(n, idx)) == dotted_name) {
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2435 mod = alias_for_import_name(c, CHILD(n, idx), 0);
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2436 if (!mod)
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2437 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2438 idx++;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2439 break;
41235
6c8c33a43a15 "from ... import x" should not be a syntax error... make
Georg Brandl <georg@python.org>
parents: 41230
diff changeset
2440 } else if (TYPE(CHILD(n, idx)) == ELLIPSIS) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2441 /* three consecutive dots are tokenized as one ELLIPSIS */
41235
6c8c33a43a15 "from ... import x" should not be a syntax error... make
Georg Brandl <georg@python.org>
parents: 41230
diff changeset
2442 ndots += 3;
6c8c33a43a15 "from ... import x" should not be a syntax error... make
Georg Brandl <georg@python.org>
parents: 41230
diff changeset
2443 continue;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2444 } else if (TYPE(CHILD(n, idx)) != DOT) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2445 break;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2446 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2447 ndots++;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2448 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2449 idx++; /* skip over the 'import' keyword */
36712
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36695
diff changeset
2450 switch (TYPE(CHILD(n, idx))) {
36681
e9f0db429f2b Clean up from-import handling.
Thomas Wouters <thomas@python.org>
parents: 36679
diff changeset
2451 case STAR:
e9f0db429f2b Clean up from-import handling.
Thomas Wouters <thomas@python.org>
parents: 36679
diff changeset
2452 /* from ... import * */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2453 n = CHILD(n, idx);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2454 n_children = 1;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2455 break;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2456 case LPAR:
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2457 /* from ... import (x, y, z) */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2458 n = CHILD(n, idx + 1);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2459 n_children = NCH(n);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2460 break;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2461 case import_as_names:
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2462 /* from ... import x, y, z */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2463 n = CHILD(n, idx);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2464 n_children = NCH(n);
36681
e9f0db429f2b Clean up from-import handling.
Thomas Wouters <thomas@python.org>
parents: 36679
diff changeset
2465 if (n_children % 2 == 0) {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2466 ast_error(n, "trailing comma not allowed without"
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2467 " surrounding parentheses");
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2468 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2469 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2470 break;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2471 default:
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2472 ast_error(n, "Unexpected node-type in from-import");
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2473 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2474 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2475
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2476 aliases = asdl_seq_new((n_children + 1) / 2, c->c_arena);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2477 if (!aliases)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2478 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2479
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2480 /* handle "from ... import *" special b/c there's no children */
36681
e9f0db429f2b Clean up from-import handling.
Thomas Wouters <thomas@python.org>
parents: 36679
diff changeset
2481 if (TYPE(n) == STAR) {
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2482 alias_ty import_alias = alias_for_import_name(c, n, 1);
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2483 if (!import_alias)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2484 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2485 asdl_seq_SET(aliases, 0, import_alias);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2486 }
36718
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
2487 else {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2488 for (i = 0; i < NCH(n); i += 2) {
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2489 alias_ty import_alias = alias_for_import_name(c, CHILD(n, i), 1);
36718
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
2490 if (!import_alias)
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
2491 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2492 asdl_seq_SET(aliases, i / 2, import_alias);
36718
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
2493 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2494 }
36712
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36695
diff changeset
2495 if (mod != NULL)
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36695
diff changeset
2496 modname = mod->name;
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2497 return ImportFrom(modname, aliases, ndots, lineno, col_offset,
36712
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36695
diff changeset
2498 c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2499 }
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
2500 PyErr_Format(PyExc_SystemError,
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2501 "unknown import statement: starts with command '%s'",
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2502 STR(CHILD(n, 0)));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2503 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2504 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2505
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2506 static stmt_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2507 ast_for_global_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2508 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2509 /* global_stmt: 'global' NAME (',' NAME)* */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2510 identifier name;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2511 asdl_seq *s;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2512 int i;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2513
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2514 REQ(n, global_stmt);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2515 s = asdl_seq_new(NCH(n) / 2, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2516 if (!s)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2517 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2518 for (i = 1; i < NCH(n); i += 2) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2519 name = NEW_IDENTIFIER(CHILD(n, i));
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2520 if (!name)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2521 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2522 asdl_seq_SET(s, i / 2, name);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2523 }
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2524 return Global(s, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2525 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2526
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2527 static stmt_ty
40965
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2528 ast_for_nonlocal_stmt(struct compiling *c, const node *n)
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2529 {
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2530 /* nonlocal_stmt: 'nonlocal' NAME (',' NAME)* */
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2531 identifier name;
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2532 asdl_seq *s;
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2533 int i;
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2534
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2535 REQ(n, nonlocal_stmt);
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2536 s = asdl_seq_new(NCH(n) / 2, c->c_arena);
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2537 if (!s)
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2538 return NULL;
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2539 for (i = 1; i < NCH(n); i += 2) {
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2540 name = NEW_IDENTIFIER(CHILD(n, i));
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2541 if (!name)
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2542 return NULL;
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2543 asdl_seq_SET(s, i / 2, name);
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2544 }
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2545 return Nonlocal(s, LINENO(n), n->n_col_offset, c->c_arena);
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2546 }
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2547
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2548 static stmt_ty
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2549 ast_for_assert_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2550 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2551 /* assert_stmt: 'assert' test [',' test] */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2552 REQ(n, assert_stmt);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2553 if (NCH(n) == 2) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2554 expr_ty expression = ast_for_expr(c, CHILD(n, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2555 if (!expression)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2556 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2557 return Assert(expression, NULL, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2558 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2559 else if (NCH(n) == 4) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2560 expr_ty expr1, expr2;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2561
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2562 expr1 = ast_for_expr(c, CHILD(n, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2563 if (!expr1)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2564 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2565 expr2 = ast_for_expr(c, CHILD(n, 3));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2566 if (!expr2)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2567 return NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2568
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2569 return Assert(expr1, expr2, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2570 }
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
2571 PyErr_Format(PyExc_SystemError,
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2572 "improper number of parts to 'assert' statement: %d",
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2573 NCH(n));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2574 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2575 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2576
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2577 static asdl_seq *
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2578 ast_for_suite(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2579 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2580 /* suite: simple_stmt | NEWLINE INDENT stmt+ DEDENT */
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2581 asdl_seq *seq;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2582 stmt_ty s;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2583 int i, total, num, end, pos = 0;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2584 node *ch;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2585
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2586 REQ(n, suite);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2587
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2588 total = num_stmts(n);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2589 seq = asdl_seq_new(total, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2590 if (!seq)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2591 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2592 if (TYPE(CHILD(n, 0)) == simple_stmt) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2593 n = CHILD(n, 0);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2594 /* simple_stmt always ends with a NEWLINE,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2595 and may have a trailing SEMI
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2596 */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2597 end = NCH(n) - 1;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2598 if (TYPE(CHILD(n, end - 1)) == SEMI)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2599 end--;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2600 /* loop by 2 to skip semi-colons */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2601 for (i = 0; i < end; i += 2) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2602 ch = CHILD(n, i);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2603 s = ast_for_stmt(c, ch);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2604 if (!s)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2605 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2606 asdl_seq_SET(seq, pos++, s);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2607 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2608 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2609 else {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2610 for (i = 2; i < (NCH(n) - 1); i++) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2611 ch = CHILD(n, i);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2612 REQ(ch, stmt);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2613 num = num_stmts(ch);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2614 if (num == 1) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2615 /* small_stmt or compound_stmt with only one child */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2616 s = ast_for_stmt(c, ch);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2617 if (!s)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2618 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2619 asdl_seq_SET(seq, pos++, s);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2620 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2621 else {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2622 int j;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2623 ch = CHILD(ch, 0);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2624 REQ(ch, simple_stmt);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2625 for (j = 0; j < NCH(ch); j += 2) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2626 /* statement terminates with a semi-colon ';' */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2627 if (NCH(CHILD(ch, j)) == 0) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2628 assert((j + 1) == NCH(ch));
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2629 break;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2630 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2631 s = ast_for_stmt(c, CHILD(ch, j));
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2632 if (!s)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2633 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2634 asdl_seq_SET(seq, pos++, s);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2635 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2636 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2637 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2638 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2639 assert(pos == seq->size);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2640 return seq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2641 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2642
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2643 static stmt_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2644 ast_for_if_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2645 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2646 /* if_stmt: 'if' test ':' suite ('elif' test ':' suite)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2647 ['else' ':' suite]
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2648 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2649 char *s;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2650
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2651 REQ(n, if_stmt);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2652
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2653 if (NCH(n) == 4) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2654 expr_ty expression;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2655 asdl_seq *suite_seq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2656
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2657 expression = ast_for_expr(c, CHILD(n, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2658 if (!expression)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2659 return NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2660 suite_seq = ast_for_suite(c, CHILD(n, 3));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2661 if (!suite_seq)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2662 return NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2663
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2664 return If(expression, suite_seq, NULL, LINENO(n), n->n_col_offset,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2665 c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2666 }
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2667
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2668 s = STR(CHILD(n, 4));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2669 /* s[2], the third character in the string, will be
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2670 's' for el_s_e, or
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2671 'i' for el_i_f
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2672 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2673 if (s[2] == 's') {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2674 expr_ty expression;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2675 asdl_seq *seq1, *seq2;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2676
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2677 expression = ast_for_expr(c, CHILD(n, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2678 if (!expression)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2679 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2680 seq1 = ast_for_suite(c, CHILD(n, 3));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2681 if (!seq1)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2682 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2683 seq2 = ast_for_suite(c, CHILD(n, 6));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2684 if (!seq2)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2685 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2686
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2687 return If(expression, seq1, seq2, LINENO(n), n->n_col_offset,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2688 c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2689 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2690 else if (s[2] == 'i') {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2691 int i, n_elif, has_else = 0;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2692 expr_ty expression;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2693 asdl_seq *suite_seq;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2694 asdl_seq *orelse = NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2695 n_elif = NCH(n) - 4;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2696 /* must reference the child n_elif+1 since 'else' token is third,
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2697 not fourth, child from the end. */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2698 if (TYPE(CHILD(n, (n_elif + 1))) == NAME
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2699 && STR(CHILD(n, (n_elif + 1)))[2] == 's') {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2700 has_else = 1;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2701 n_elif -= 3;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2702 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2703 n_elif /= 4;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2704
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2705 if (has_else) {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2706 asdl_seq *suite_seq2;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2707
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2708 orelse = asdl_seq_new(1, c->c_arena);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2709 if (!orelse)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2710 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2711 expression = ast_for_expr(c, CHILD(n, NCH(n) - 6));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2712 if (!expression)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2713 return NULL;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2714 suite_seq = ast_for_suite(c, CHILD(n, NCH(n) - 4));
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2715 if (!suite_seq)
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2716 return NULL;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2717 suite_seq2 = ast_for_suite(c, CHILD(n, NCH(n) - 1));
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2718 if (!suite_seq2)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2719 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2720
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2721 asdl_seq_SET(orelse, 0,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2722 If(expression, suite_seq, suite_seq2,
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2723 LINENO(CHILD(n, NCH(n) - 6)),
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2724 CHILD(n, NCH(n) - 6)->n_col_offset,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2725 c->c_arena));
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2726 /* the just-created orelse handled the last elif */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2727 n_elif--;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2728 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2729
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2730 for (i = 0; i < n_elif; i++) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2731 int off = 5 + (n_elif - i - 1) * 4;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2732 asdl_seq *newobj = asdl_seq_new(1, c->c_arena);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2733 if (!newobj)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2734 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2735 expression = ast_for_expr(c, CHILD(n, off));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2736 if (!expression)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2737 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2738 suite_seq = ast_for_suite(c, CHILD(n, off + 2));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2739 if (!suite_seq)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2740 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2741
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2742 asdl_seq_SET(newobj, 0,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2743 If(expression, suite_seq, orelse,
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2744 LINENO(CHILD(n, off)),
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2745 CHILD(n, off)->n_col_offset, c->c_arena));
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2746 orelse = newobj;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2747 }
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2748 expression = ast_for_expr(c, CHILD(n, 1));
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2749 if (!expression)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2750 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2751 suite_seq = ast_for_suite(c, CHILD(n, 3));
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2752 if (!suite_seq)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2753 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2754 return If(expression, suite_seq, orelse,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2755 LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2756 }
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2757
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2758 PyErr_Format(PyExc_SystemError,
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2759 "unexpected token in 'if' statement: %s", s);
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2760 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2761 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2762
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2763 static stmt_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2764 ast_for_while_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2765 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2766 /* while_stmt: 'while' test ':' suite ['else' ':' suite] */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2767 REQ(n, while_stmt);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2768
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2769 if (NCH(n) == 4) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2770 expr_ty expression;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2771 asdl_seq *suite_seq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2772
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2773 expression = ast_for_expr(c, CHILD(n, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2774 if (!expression)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2775 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2776 suite_seq = ast_for_suite(c, CHILD(n, 3));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2777 if (!suite_seq)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2778 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2779 return While(expression, suite_seq, NULL, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2780 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2781 else if (NCH(n) == 7) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2782 expr_ty expression;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2783 asdl_seq *seq1, *seq2;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2784
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2785 expression = ast_for_expr(c, CHILD(n, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2786 if (!expression)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2787 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2788 seq1 = ast_for_suite(c, CHILD(n, 3));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2789 if (!seq1)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2790 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2791 seq2 = ast_for_suite(c, CHILD(n, 6));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2792 if (!seq2)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2793 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2794
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2795 return While(expression, seq1, seq2, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2796 }
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2797
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2798 PyErr_Format(PyExc_SystemError,
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2799 "wrong number of tokens for 'while' statement: %d",
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2800 NCH(n));
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2801 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2802 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2803
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2804 static stmt_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2805 ast_for_for_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2806 {
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2807 asdl_seq *_target, *seq = NULL, *suite_seq;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2808 expr_ty expression;
55912
d4e3af343e32 Merged revisions 74464 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54954
diff changeset
2809 expr_ty target, first;
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2810 const node *node_target;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2811 /* for_stmt: 'for' exprlist 'in' testlist ':' suite ['else' ':' suite] */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2812 REQ(n, for_stmt);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2813
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2814 if (NCH(n) == 9) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2815 seq = ast_for_suite(c, CHILD(n, 8));
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2816 if (!seq)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2817 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2818 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2819
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2820 node_target = CHILD(n, 1);
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2821 _target = ast_for_exprlist(c, node_target, Store);
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2822 if (!_target)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2823 return NULL;
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2824 /* Check the # of children rather than the length of _target, since
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2825 for x, in ... has 1 element in _target, but still requires a Tuple. */
55912
d4e3af343e32 Merged revisions 74464 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54954
diff changeset
2826 first = (expr_ty)asdl_seq_GET(_target, 0);
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2827 if (NCH(node_target) == 1)
55912
d4e3af343e32 Merged revisions 74464 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54954
diff changeset
2828 target = first;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2829 else
55912
d4e3af343e32 Merged revisions 74464 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54954
diff changeset
2830 target = Tuple(_target, Store, first->lineno, first->col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2831
35798
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2832 expression = ast_for_testlist(c, CHILD(n, 3));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2833 if (!expression)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2834 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2835 suite_seq = ast_for_suite(c, CHILD(n, 5));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2836 if (!suite_seq)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2837 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2838
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2839 return For(target, expression, suite_seq, seq, LINENO(n), n->n_col_offset,
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2840 c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2841 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2842
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2843 static excepthandler_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2844 ast_for_except_clause(struct compiling *c, const node *exc, node *body)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2845 {
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
2846 /* except_clause: 'except' [test ['as' test]] */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2847 REQ(exc, except_clause);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2848 REQ(body, suite);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2849
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2850 if (NCH(exc) == 1) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2851 asdl_seq *suite_seq = ast_for_suite(c, body);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2852 if (!suite_seq)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2853 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2854
46231
81ee270a6eb5 Merged revisions 62047 via svnmerge from
Neal Norwitz <nnorwitz@gmail.com>
parents: 46120
diff changeset
2855 return ExceptHandler(NULL, NULL, suite_seq, LINENO(exc),
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2856 exc->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2857 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2858 else if (NCH(exc) == 2) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2859 expr_ty expression;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2860 asdl_seq *suite_seq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2861
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2862 expression = ast_for_expr(c, CHILD(exc, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2863 if (!expression)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2864 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2865 suite_seq = ast_for_suite(c, body);
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2866 if (!suite_seq)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2867 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2868
46231
81ee270a6eb5 Merged revisions 62047 via svnmerge from
Neal Norwitz <nnorwitz@gmail.com>
parents: 46120
diff changeset
2869 return ExceptHandler(expression, NULL, suite_seq, LINENO(exc),
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2870 exc->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2871 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2872 else if (NCH(exc) == 4) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2873 asdl_seq *suite_seq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2874 expr_ty expression;
40588
4bab65fcca8e Some more changes related to the new except syntax and semantics,
Guido van Rossum <guido@python.org>
parents: 40529
diff changeset
2875 identifier e = NEW_IDENTIFIER(CHILD(exc, 3));
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2876 if (!e)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2877 return NULL;
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
2878 if (forbidden_name(e, CHILD(exc, 3), 0))
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
2879 return NULL;
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2880 expression = ast_for_expr(c, CHILD(exc, 1));
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2881 if (!expression)
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2882 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2883 suite_seq = ast_for_suite(c, body);
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2884 if (!suite_seq)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2885 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2886
46231
81ee270a6eb5 Merged revisions 62047 via svnmerge from
Neal Norwitz <nnorwitz@gmail.com>
parents: 46120
diff changeset
2887 return ExceptHandler(expression, e, suite_seq, LINENO(exc),
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2888 exc->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2889 }
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2890
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2891 PyErr_Format(PyExc_SystemError,
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2892 "wrong number of children for 'except' clause: %d",
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2893 NCH(exc));
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2894 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2895 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2896
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2897 static stmt_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2898 ast_for_try_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2899 {
36066
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2900 const int nch = NCH(n);
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2901 int n_except = (nch - 3)/3;
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2902 asdl_seq *body, *orelse = NULL, *finally = NULL;
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2903
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2904 REQ(n, try_stmt);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2905
36066
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2906 body = ast_for_suite(c, CHILD(n, 2));
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2907 if (body == NULL)
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2908 return NULL;
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2909
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2910 if (TYPE(CHILD(n, nch - 3)) == NAME) {
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2911 if (strcmp(STR(CHILD(n, nch - 3)), "finally") == 0) {
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2912 if (nch >= 9 && TYPE(CHILD(n, nch - 6)) == NAME) {
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2913 /* we can assume it's an "else",
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2914 because nch >= 9 for try-else-finally and
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2915 it would otherwise have a type of except_clause */
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2916 orelse = ast_for_suite(c, CHILD(n, nch - 4));
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2917 if (orelse == NULL)
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2918 return NULL;
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2919 n_except--;
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2920 }
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2921
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2922 finally = ast_for_suite(c, CHILD(n, nch - 1));
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2923 if (finally == NULL)
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2924 return NULL;
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2925 n_except--;
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2926 }
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2927 else {
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2928 /* we can assume it's an "else",
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2929 otherwise it would have a type of except_clause */
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2930 orelse = ast_for_suite(c, CHILD(n, nch - 1));
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2931 if (orelse == NULL)
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2932 return NULL;
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2933 n_except--;
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2934 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2935 }
36066
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2936 else if (TYPE(CHILD(n, nch - 3)) != except_clause) {
35867
f4842f42700b remove useless debug print helper. fix a couple of exceptions
Neal Norwitz <nnorwitz@gmail.com>
parents: 35799
diff changeset
2937 ast_error(n, "malformed 'try' statement");
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2938 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2939 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2940
36066
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2941 if (n_except > 0) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2942 int i;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2943 stmt_ty except_st;
36066
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2944 /* process except statements to create a try ... except */
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2945 asdl_seq *handlers = asdl_seq_new(n_except, c->c_arena);
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2946 if (handlers == NULL)
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2947 return NULL;
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2948
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2949 for (i = 0; i < n_except; i++) {
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2950 excepthandler_ty e = ast_for_except_clause(c, CHILD(n, 3 + i * 3),
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2951 CHILD(n, 5 + i * 3));
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2952 if (!e)
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2953 return NULL;
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2954 asdl_seq_SET(handlers, i, e);
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2955 }
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2956
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2957 except_st = TryExcept(body, handlers, orelse, LINENO(n),
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2958 n->n_col_offset, c->c_arena);
36066
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2959 if (!finally)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2960 return except_st;
36066
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2961
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2962 /* if a 'finally' is present too, we nest the TryExcept within a
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2963 TryFinally to emulate try ... except ... finally */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2964 body = asdl_seq_new(1, c->c_arena);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2965 if (body == NULL)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2966 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2967 asdl_seq_SET(body, 0, except_st);
36066
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2968 }
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2969
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2970 /* must be a try ... finally (except clauses are in body, if any exist) */
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
2971 assert(finally != NULL);
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2972 return TryFinally(body, finally, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2973 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2974
54338
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
2975 /* with_item: test ['as' expr] */
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
2976 static stmt_ty
54338
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
2977 ast_for_with_item(struct compiling *c, const node *n, asdl_seq *content)
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
2978 {
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
2979 expr_ty context_expr, optional_vars = NULL;
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
2980
54338
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
2981 REQ(n, with_item);
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
2982 context_expr = ast_for_expr(c, CHILD(n, 0));
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
2983 if (!context_expr)
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
2984 return NULL;
54338
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
2985 if (NCH(n) == 3) {
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
2986 optional_vars = ast_for_expr(c, CHILD(n, 2));
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
2987
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
2988 if (!optional_vars) {
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
2989 return NULL;
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
2990 }
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
2991 if (!set_context(c, optional_vars, Store, n)) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2992 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2993 }
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
2994 }
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
2995
54338
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
2996 return With(context_expr, optional_vars, content, LINENO(n),
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
2997 n->n_col_offset, c->c_arena);
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
2998 }
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
2999
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3000 /* with_stmt: 'with' with_item (',' with_item)* ':' suite */
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3001 static stmt_ty
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3002 ast_for_with_stmt(struct compiling *c, const node *n)
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3003 {
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3004 int i;
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3005 stmt_ty ret;
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3006 asdl_seq *inner;
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3007
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3008 REQ(n, with_stmt);
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3009
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3010 /* process the with items inside-out */
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3011 i = NCH(n) - 1;
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3012 /* the suite of the innermost with item is the suite of the with stmt */
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3013 inner = ast_for_suite(c, CHILD(n, i));
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3014 if (!inner)
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3015 return NULL;
54338
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3016
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3017 for (;;) {
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3018 i -= 2;
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3019 ret = ast_for_with_item(c, CHILD(n, i), inner);
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3020 if (!ret)
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3021 return NULL;
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3022 /* was this the last item? */
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3023 if (i == 1)
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3024 break;
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3025 /* if not, wrap the result so far in a new sequence */
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3026 inner = asdl_seq_new(1, c->c_arena);
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3027 if (!inner)
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3028 return NULL;
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3029 asdl_seq_SET(inner, 0, ret);
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3030 }
54338
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3031
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3032 return ret;
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3033 }
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3034
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3035 static stmt_ty
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
3036 ast_for_classdef(struct compiling *c, const node *n, asdl_seq *decorator_seq)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3037 {
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
3038 /* classdef: 'class' NAME ['(' arglist ')'] ':' suite */
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3039 PyObject *classname;
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
3040 asdl_seq *s;
49852
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3041 expr_ty call;
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
3042
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3043 REQ(n, classdef);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3044
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
3045 if (NCH(n) == 4) { /* class NAME ':' suite */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3046 s = ast_for_suite(c, CHILD(n, 3));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3047 if (!s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3048 return NULL;
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3049 classname = NEW_IDENTIFIER(CHILD(n, 1));
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3050 if (!classname)
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3051 return NULL;
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
3052 if (forbidden_name(classname, CHILD(n, 3), 0))
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
3053 return NULL;
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3054 return ClassDef(classname, NULL, NULL, NULL, NULL, s, decorator_seq,
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3055 LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3056 }
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
3057
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
3058 if (TYPE(CHILD(n, 3)) == RPAR) { /* class NAME '(' ')' ':' suite */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3059 s = ast_for_suite(c, CHILD(n,5));
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3060 if (!s)
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3061 return NULL;
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3062 classname = NEW_IDENTIFIER(CHILD(n, 1));
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3063 if (!classname)
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3064 return NULL;
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
3065 if (forbidden_name(classname, CHILD(n, 3), 0))
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
3066 return NULL;
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3067 return ClassDef(classname, NULL, NULL, NULL, NULL, s, decorator_seq,
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3068 LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3069 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3070
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
3071 /* class NAME '(' arglist ')' ':' suite */
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
3072 /* build up a fake Call node so we can extract its pieces */
49852
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3073 {
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3074 PyObject *dummy_name;
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3075 expr_ty dummy;
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3076 dummy_name = NEW_IDENTIFIER(CHILD(n, 1));
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3077 if (!dummy_name)
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3078 return NULL;
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3079 dummy = Name(dummy_name, Load, LINENO(n), n->n_col_offset, c->c_arena);
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3080 call = ast_for_call(c, CHILD(n, 3), dummy);
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3081 if (!call)
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3082 return NULL;
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3083 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3084 s = ast_for_suite(c, CHILD(n, 6));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3085 if (!s)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3086 return NULL;
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3087 classname = NEW_IDENTIFIER(CHILD(n, 1));
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3088 if (!classname)
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3089 return NULL;
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
3090 if (forbidden_name(classname, CHILD(n, 1), 0))
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
3091 return NULL;
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
3092
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3093 return ClassDef(classname, call->v.Call.args, call->v.Call.keywords,
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
3094 call->v.Call.starargs, call->v.Call.kwargs, s,
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
3095 decorator_seq, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3096 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3097
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3098 static stmt_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3099 ast_for_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3100 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3101 if (TYPE(n) == stmt) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3102 assert(NCH(n) == 1);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3103 n = CHILD(n, 0);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3104 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3105 if (TYPE(n) == simple_stmt) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3106 assert(num_stmts(n) == 1);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3107 n = CHILD(n, 0);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3108 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3109 if (TYPE(n) == small_stmt) {
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
3110 n = CHILD(n, 0);
40965
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3111 /* small_stmt: expr_stmt | del_stmt | pass_stmt | flow_stmt
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3112 | import_stmt | global_stmt | nonlocal_stmt | assert_stmt
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3113 */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3114 switch (TYPE(n)) {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3115 case expr_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3116 return ast_for_expr_stmt(c, n);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3117 case del_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3118 return ast_for_del_stmt(c, n);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3119 case pass_stmt:
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
3120 return Pass(LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3121 case flow_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3122 return ast_for_flow_stmt(c, n);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3123 case import_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3124 return ast_for_import_stmt(c, n);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3125 case global_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3126 return ast_for_global_stmt(c, n);
40965
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3127 case nonlocal_stmt:
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3128 return ast_for_nonlocal_stmt(c, n);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3129 case assert_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3130 return ast_for_assert_stmt(c, n);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3131 default:
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
3132 PyErr_Format(PyExc_SystemError,
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3133 "unhandled small_stmt: TYPE=%d NCH=%d\n",
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3134 TYPE(n), NCH(n));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3135 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3136 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3137 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3138 else {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3139 /* compound_stmt: if_stmt | while_stmt | for_stmt | try_stmt
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
3140 | funcdef | classdef | decorated
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3141 */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3142 node *ch = CHILD(n, 0);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3143 REQ(n, compound_stmt);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3144 switch (TYPE(ch)) {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3145 case if_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3146 return ast_for_if_stmt(c, ch);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3147 case while_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3148 return ast_for_while_stmt(c, ch);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3149 case for_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3150 return ast_for_for_stmt(c, ch);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3151 case try_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3152 return ast_for_try_stmt(c, ch);
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3153 case with_stmt:
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3154 return ast_for_with_stmt(c, ch);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3155 case funcdef:
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
3156 return ast_for_funcdef(c, ch, NULL);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3157 case classdef:
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
3158 return ast_for_classdef(c, ch, NULL);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
3159 case decorated:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
3160 return ast_for_decorated(c, ch);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3161 default:
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
3162 PyErr_Format(PyExc_SystemError,
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3163 "unhandled small_stmt: TYPE=%d NCH=%d\n",
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3164 TYPE(n), NCH(n));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3165 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3166 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3167 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3168 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3169
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3170 static PyObject *
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
3171 parsenumber(struct compiling *c, const char *s)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3172 {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3173 const char *end;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3174 long x;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3175 double dx;
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
3176 Py_complex compl;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3177 int imflag;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3178
50035
4c9844cf2a3f Merged revisions 67595 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 49852
diff changeset
3179 assert(s != NULL);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3180 errno = 0;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3181 end = s + strlen(s) - 1;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3182 imflag = *end == 'j' || *end == 'J';
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3183 if (s[0] == '0') {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3184 x = (long) PyOS_strtoul((char *)s, (char **)&end, 0);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3185 if (x < 0 && errno == 0) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3186 return PyLong_FromString((char *)s,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3187 (char **)0,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3188 0);
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3189 }
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3190 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3191 else
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3192 x = PyOS_strtol((char *)s, (char **)&end, 0);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3193 if (*end == '\0') {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3194 if (errno != 0)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3195 return PyLong_FromString((char *)s, (char **)0, 0);
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 44025
diff changeset
3196 return PyLong_FromLong(x);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3197 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3198 /* XXX Huge floats may silently fail */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3199 if (imflag) {
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
3200 compl.real = 0.;
53707
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 50886
diff changeset
3201 compl.imag = PyOS_string_to_double(s, (char **)&end, NULL);
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 50886
diff changeset
3202 if (compl.imag == -1.0 && PyErr_Occurred())
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 50886
diff changeset
3203 return NULL;
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 50886
diff changeset
3204 return PyComplex_FromCComplex(compl);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3205 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3206 else
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3207 {
53707
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 50886
diff changeset
3208 dx = PyOS_string_to_double(s, NULL, NULL);
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 50886
diff changeset
3209 if (dx == -1.0 && PyErr_Occurred())
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 50886
diff changeset
3210 return NULL;
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 50886
diff changeset
3211 return PyFloat_FromDouble(dx);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3212 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3213 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3214
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3215 static PyObject *
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
3216 decode_utf8(struct compiling *c, const char **sPtr, const char *end, char* encoding)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3217 {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
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parents: 41509
diff changeset
3218 PyObject *u, *v;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3219 char *s, *t;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3220 t = s = (char *)*sPtr;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3221 /* while (s < end && *s != '\\') s++; */ /* inefficient for u".." */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3222 while (s < end && (*s & 0x80)) s++;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3223 *sPtr = s;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3224 u = PyUnicode_DecodeUTF8(t, s - t, NULL);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3225 if (u == NULL)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3226 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3227 v = PyUnicode_AsEncodedString(u, encoding, NULL);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3228 Py_DECREF(u);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3229 return v;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3230 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3231
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3232 static PyObject *
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
3233 decode_unicode(struct compiling *c, const char *s, size_t len, int rawmode, const char *encoding)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3234 {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3235 PyObject *v, *u;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3236 char *buf;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3237 char *p;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3238 const char *end;
43819
068655054b0d Minimal change that disables (AFAICT) the interpolation of \u and \U inside
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3239
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3240 if (encoding == NULL) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3241 buf = (char *)s;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3242 u = NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3243 } else {
48330
ac854cde3135 Merged revisions 64114 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47301
diff changeset
3244 /* check for integer overflow */
56955
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3245 if (len > PY_SIZE_MAX / 6)
48330
ac854cde3135 Merged revisions 64114 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47301
diff changeset
3246 return NULL;
56955
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3247 /* "ä" (2 bytes) may become "\U000000E4" (10 bytes), or 1:5
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3248 "\ä" (3 bytes) may become "\u005c\U000000E4" (16 bytes), or ~1:6 */
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3249 u = PyBytes_FromStringAndSize((char *)NULL, len * 6);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3250 if (u == NULL)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3251 return NULL;
47301
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46664
diff changeset
3252 p = buf = PyBytes_AsString(u);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3253 end = s + len;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3254 while (s < end) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3255 if (*s == '\\') {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3256 *p++ = *s++;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3257 if (*s & 0x80) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3258 strcpy(p, "u005c");
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3259 p += 5;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3260 }
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3261 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3262 if (*s & 0x80) { /* XXX inefficient */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3263 PyObject *w;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3264 char *r;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3265 Py_ssize_t rn, i;
56955
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3266 w = decode_utf8(c, &s, end, "utf-32-be");
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3267 if (w == NULL) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3268 Py_DECREF(u);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3269 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3270 }
47301
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46664
diff changeset
3271 r = PyBytes_AS_STRING(w);
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44246
diff changeset
3272 rn = Py_SIZE(w);
56955
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3273 assert(rn % 4 == 0);
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3274 for (i = 0; i < rn; i += 4) {
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3275 sprintf(p, "\\U%02x%02x%02x%02x",
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3276 r[i + 0] & 0xFF,
56955
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3277 r[i + 1] & 0xFF,
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3278 r[i + 2] & 0xFF,
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3279 r[i + 3] & 0xFF);
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3280 p += 10;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3281 }
56955
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3282 /* Should be impossible to overflow */
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3283 assert(p - buf <= Py_SIZE(u));
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3284 Py_DECREF(w);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3285 } else {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3286 *p++ = *s++;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3287 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3288 }
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3289 len = p - buf;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3290 s = buf;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3291 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3292 if (rawmode)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3293 v = PyUnicode_DecodeRawUnicodeEscape(s, len, NULL);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3294 else
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3295 v = PyUnicode_DecodeUnicodeEscape(s, len, NULL);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3296 Py_XDECREF(u);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3297 return v;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3298 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3299
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3300 /* s is a Python string literal, including the bracketing quote characters,
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
3301 * and r &/or b prefixes (if any), and embedded escape sequences (if any).
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3302 * parsestr parses it, and returns the decoded Python string object.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3303 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3304 static PyObject *
46120
78504d604b44 Merged revisions 61952-61953 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45931
diff changeset
3305 parsestr(struct compiling *c, const node *n, int *bytesmode)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3306 {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3307 size_t len;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3308 const char *s = STR(n);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3309 int quote = Py_CHARMASK(*s);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3310 int rawmode = 0;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3311 int need_encoding;
82110
38830281d43b Issue #17173: Remove uses of locale-dependent C functions (isalpha() etc.) in the interpreter.
Antoine Pitrou <solipsis@pitrou.net>
parents: 78962
diff changeset
3312 if (Py_ISALPHA(quote)) {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
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parents: 41509
diff changeset
3313 if (quote == 'b' || quote == 'B') {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3314 quote = *++s;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3315 *bytesmode = 1;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
3316 }
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3317 if (quote == 'r' || quote == 'R') {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3318 quote = *++s;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3319 rawmode = 1;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3320 }
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3321 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3322 if (quote != '\'' && quote != '\"') {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3323 PyErr_BadInternalCall();
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3324 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3325 }
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Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3326 s++;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3327 len = strlen(s);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3328 if (len > INT_MAX) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
3329 PyErr_SetString(PyExc_OverflowError,
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3330 "string to parse is too long");
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3331 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3332 }
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Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3333 if (s[--len] != quote) {
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Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3334 PyErr_BadInternalCall();
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3335 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3336 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3337 if (len >= 4 && s[0] == quote && s[1] == quote) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3338 s += 2;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3339 len -= 2;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3340 if (s[--len] != quote || s[--len] != quote) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3341 PyErr_BadInternalCall();
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3342 return NULL;
40894
0ea24f4f2467 Bytes literal.
Thomas Wouters <thomas@python.org>
parents: 40774
diff changeset
3343 }
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3344 }
46306
b10292eafb07 Reverted r62128 on Guido's orders
Benjamin Peterson <benjamin@python.org>
parents: 46272
diff changeset
3345 if (!*bytesmode && !rawmode) {
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
3346 return decode_unicode(c, s, len, rawmode, c->c_encoding);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3347 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3348 if (*bytesmode) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3349 /* Disallow non-ascii characters (but not escapes) */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3350 const char *c;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3351 for (c = s; *c; c++) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3352 if (Py_CHARMASK(*c) >= 0x80) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3353 ast_error(n, "bytes can only contain ASCII "
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3354 "literal characters.");
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3355 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3356 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3357 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3358 }
46120
78504d604b44 Merged revisions 61952-61953 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45931
diff changeset
3359 need_encoding = (!*bytesmode && c->c_encoding != NULL &&
49539
481ad3d9ffd1 Latin-1 source code was not being properly decoded when passed through
Brett Cannon <bcannon@gmail.com>
parents: 48777
diff changeset
3360 strcmp(c->c_encoding, "utf-8") != 0);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3361 if (rawmode || strchr(s, '\\') == NULL) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3362 if (need_encoding) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3363 PyObject *v, *u = PyUnicode_DecodeUTF8(s, len, NULL);
43819
068655054b0d Minimal change that disables (AFAICT) the interpolation of \u and \U inside
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3364 if (u == NULL || !*bytesmode)
068655054b0d Minimal change that disables (AFAICT) the interpolation of \u and \U inside
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3365 return u;
46120
78504d604b44 Merged revisions 61952-61953 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45931
diff changeset
3366 v = PyUnicode_AsEncodedString(u, c->c_encoding, NULL);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3367 Py_DECREF(u);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3368 return v;
43819
068655054b0d Minimal change that disables (AFAICT) the interpolation of \u and \U inside
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3369 } else if (*bytesmode) {
47301
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46664
diff changeset
3370 return PyBytes_FromStringAndSize(s, len);
46120
78504d604b44 Merged revisions 61952-61953 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45931
diff changeset
3371 } else if (strcmp(c->c_encoding, "utf-8") == 0) {
43819
068655054b0d Minimal change that disables (AFAICT) the interpolation of \u and \U inside
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3372 return PyUnicode_FromStringAndSize(s, len);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
3373 } else {
43819
068655054b0d Minimal change that disables (AFAICT) the interpolation of \u and \U inside
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3374 return PyUnicode_DecodeLatin1(s, len, NULL);
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3375 }
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3376 }
47301
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46664
diff changeset
3377 return PyBytes_DecodeEscape(s, len, NULL, 1,
46120
78504d604b44 Merged revisions 61952-61953 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45931
diff changeset
3378 need_encoding ? c->c_encoding : NULL);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3379 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3380
43819
068655054b0d Minimal change that disables (AFAICT) the interpolation of \u and \U inside
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3381 /* Build a Python string object out of a STRING+ atom. This takes care of
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3382 * compile-time literal catenation, calling parsestr() on each piece, and
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3383 * pasting the intermediate results together.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3384 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3385 static PyObject *
40894
0ea24f4f2467 Bytes literal.
Thomas Wouters <thomas@python.org>
parents: 40774
diff changeset
3386 parsestrplus(struct compiling *c, const node *n, int *bytesmode)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3387 {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3388 PyObject *v;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3389 int i;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3390 REQ(CHILD(n, 0), STRING);
46120
78504d604b44 Merged revisions 61952-61953 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45931
diff changeset
3391 v = parsestr(c, CHILD(n, 0), bytesmode);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3392 if (v != NULL) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3393 /* String literal concatenation */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3394 for (i = 1; i < NCH(n); i++) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3395 PyObject *s;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3396 int subbm = 0;
46120
78504d604b44 Merged revisions 61952-61953 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45931
diff changeset
3397 s = parsestr(c, CHILD(n, i), &subbm);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3398 if (s == NULL)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3399 goto onError;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3400 if (*bytesmode != subbm) {
43819
068655054b0d Minimal change that disables (AFAICT) the interpolation of \u and \U inside
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3401 ast_error(n, "cannot mix bytes and nonbytes literals");
78962
4a343636c8ca Fixed memory leak in error branch of parsestrplus. CID 715374 Variable s going out of scope leaks the storage it points to.
Christian Heimes <christian@cheimes.de>
parents: 78841
diff changeset
3402 Py_DECREF(s);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3403 goto onError;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3404 }
47301
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46664
diff changeset
3405 if (PyBytes_Check(v) && PyBytes_Check(s)) {
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46664
diff changeset
3406 PyBytes_ConcatAndDel(&v, s);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3407 if (v == NULL)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3408 goto onError;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3409 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3410 else {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3411 PyObject *temp = PyUnicode_Concat(v, s);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3412 Py_DECREF(s);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3413 Py_DECREF(v);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3414 v = temp;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3415 if (v == NULL)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3416 goto onError;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3417 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3418 }
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3419 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3420 return v;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3421
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3422 onError:
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3423 Py_XDECREF(v);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3424 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3425 }