Mercurial > cpython-lru_cache-weakref
annotate Python/compile.c @ 3166:938c433c876a legacy-trunk
disable code generation for access statement
| author | Guido van Rossum <guido@python.org> |
|---|---|
| date | Sun, 08 Oct 1995 00:42:46 +0000 |
| parents | df07f28711fd |
| children | 36920bbd81a8 |
| rev | line source |
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1 /*********************************************************** |
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2 Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, |
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3 The Netherlands. |
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4 |
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5 All Rights Reserved |
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6 |
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7 Permission to use, copy, modify, and distribute this software and its |
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8 documentation for any purpose and without fee is hereby granted, |
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9 provided that the above copyright notice appear in all copies and that |
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10 both that copyright notice and this permission notice appear in |
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11 supporting documentation, and that the names of Stichting Mathematisch |
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12 Centrum or CWI not be used in advertising or publicity pertaining to |
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13 distribution of the software without specific, written prior permission. |
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14 |
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15 STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO |
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16 THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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17 FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE |
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18 FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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19 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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20 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
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21 OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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22 |
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23 ******************************************************************/ |
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24 |
| 69 | 25 /* Compile an expression node to intermediate code */ |
| 26 | |
| 86 | 27 /* XXX TO DO: |
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28 XXX Compute maximum needed stack sizes while compiling; |
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29 XXX then frame object can be one malloc and no stack checks are needed |
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30 XXX add __doc__ attribute == co_doc to code object attributes |
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31 XXX don't execute doc string |
| 86 | 32 XXX Generate simple jump for break/return outside 'try...finally' |
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33 XXX get rid of SET_LINENO instructions, use JAR's table trick |
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34 XXX (need an option to put them back in, for debugger!) |
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35 XXX other JAR tricks? |
| 86 | 36 */ |
| 69 | 37 |
| 86 | 38 #include "allobjects.h" |
| 39 | |
| 69 | 40 #include "node.h" |
| 41 #include "token.h" | |
| 42 #include "graminit.h" | |
| 43 #include "compile.h" | |
| 44 #include "opcode.h" | |
| 86 | 45 #include "structmember.h" |
| 46 | |
| 47 #include <ctype.h> | |
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48 #include <errno.h> |
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49 |
| 86 | 50 #define OFF(x) offsetof(codeobject, x) |
| 51 | |
| 52 static struct memberlist code_memberlist[] = { | |
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53 {"co_argcount", T_INT, OFF(co_argcount), READONLY}, |
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54 {"co_nlocals", T_INT, OFF(co_nlocals), READONLY}, |
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55 {"co_flags", T_INT, OFF(co_flags), READONLY}, |
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56 {"co_code", T_OBJECT, OFF(co_code), READONLY}, |
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57 {"co_consts", T_OBJECT, OFF(co_consts), READONLY}, |
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58 {"co_names", T_OBJECT, OFF(co_names), READONLY}, |
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59 {"co_varnames", T_OBJECT, OFF(co_varnames), READONLY}, |
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60 {"co_filename", T_OBJECT, OFF(co_filename), READONLY}, |
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61 {"co_name", T_OBJECT, OFF(co_name), READONLY}, |
| 86 | 62 {NULL} /* Sentinel */ |
| 63 }; | |
| 64 | |
| 65 static object * | |
| 66 code_getattr(co, name) | |
| 67 codeobject *co; | |
| 68 char *name; | |
| 69 { | |
| 70 return getmember((char *)co, code_memberlist, name); | |
| 71 } | |
| 69 | 72 |
| 73 static void | |
| 86 | 74 code_dealloc(co) |
| 75 codeobject *co; | |
| 69 | 76 { |
| 86 | 77 XDECREF(co->co_code); |
| 78 XDECREF(co->co_consts); | |
| 79 XDECREF(co->co_names); | |
| 80 XDECREF(co->co_filename); | |
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81 XDECREF(co->co_name); |
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82 XDECREF(co->co_varnames); |
| 86 | 83 DEL(co); |
| 69 | 84 } |
| 85 | |
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86 static object * |
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87 code_repr(co) |
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88 codeobject *co; |
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89 { |
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90 char buf[500]; |
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91 int lineno = -1; |
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92 char *p = GETSTRINGVALUE(co->co_code); |
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93 char *filename = "???"; |
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94 char *name = "???"; |
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95 if (*p == SET_LINENO) |
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96 lineno = (p[1] & 0xff) | ((p[2] & 0xff) << 8); |
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97 if (co->co_filename && is_stringobject(co->co_filename)) |
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98 filename = getstringvalue(co->co_filename); |
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99 if (co->co_name && is_stringobject(co->co_name)) |
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100 name = getstringvalue(co->co_name); |
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101 sprintf(buf, "<code object %.100s at %lx, file \"%.300s\", line %d>", |
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102 name, (long)co, filename, lineno); |
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103 return newstringobject(buf); |
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104 } |
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105 |
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106 static int |
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107 code_compare(co, cp) |
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108 codeobject *co, *cp; |
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109 { |
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110 int cmp; |
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111 cmp = cp->co_argcount - cp->co_argcount; |
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112 if (cmp) return cmp; |
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113 cmp = cp->co_nlocals - cp->co_nlocals; |
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114 if (cmp) return cmp; |
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115 cmp = cp->co_flags - cp->co_flags; |
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116 if (cmp) return cmp; |
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117 cmp = cmpobject((object *)co->co_code, (object *)cp->co_code); |
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118 if (cmp) return cmp; |
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119 cmp = cmpobject(co->co_consts, cp->co_consts); |
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120 if (cmp) return cmp; |
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121 cmp = cmpobject(co->co_names, cp->co_names); |
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122 if (cmp) return cmp; |
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123 cmp = cmpobject(co->co_varnames, cp->co_varnames); |
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124 return cmp; |
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125 } |
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126 |
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127 static long |
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128 code_hash(co) |
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129 codeobject *co; |
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130 { |
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131 long h, h1, h2, h3, h4; |
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132 h1 = hashobject((object *)co->co_code); |
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133 if (h1 == -1) return -1; |
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134 h2 = hashobject(co->co_consts); |
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135 if (h2 == -1) return -1; |
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136 h3 = hashobject(co->co_names); |
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137 if (h3 == -1) return -1; |
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138 h4 = hashobject(co->co_varnames); |
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139 if (h4 == -1) return -1; |
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140 h = h1 ^ h2 ^ h3 ^ h4 ^ |
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141 co->co_argcount ^ co->co_nlocals ^ co->co_flags; |
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142 if (h == -1) h = -2; |
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143 return h; |
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144 } |
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145 |
| 69 | 146 typeobject Codetype = { |
| 147 OB_HEAD_INIT(&Typetype) | |
| 148 0, | |
| 149 "code", | |
| 150 sizeof(codeobject), | |
| 151 0, | |
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152 (destructor)code_dealloc, /*tp_dealloc*/ |
| 69 | 153 0, /*tp_print*/ |
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154 (getattrfunc)code_getattr, /*tp_getattr*/ |
| 69 | 155 0, /*tp_setattr*/ |
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156 (cmpfunc)code_compare, /*tp_compare*/ |
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157 (reprfunc)code_repr, /*tp_repr*/ |
| 69 | 158 0, /*tp_as_number*/ |
| 159 0, /*tp_as_sequence*/ | |
| 160 0, /*tp_as_mapping*/ | |
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161 (hashfunc)code_hash, /*tp_hash*/ |
| 69 | 162 }; |
| 163 | |
|
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164 codeobject * |
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165 newcodeobject(argcount, nlocals, flags, |
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166 code, consts, names, varnames, filename, name) |
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167 int argcount; |
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168 int nlocals; |
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169 int flags; |
| 69 | 170 object *code; |
| 171 object *consts; | |
| 172 object *names; | |
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173 object *varnames; |
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174 object *filename; |
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175 object *name; |
| 69 | 176 { |
| 177 codeobject *co; | |
| 178 int i; | |
| 179 /* Check argument types */ | |
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180 if (argcount < 0 || nlocals < 0 || |
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181 code == NULL || !is_stringobject(code) || |
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182 consts == NULL || !is_tupleobject(consts) || |
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183 names == NULL || !is_tupleobject(names) || |
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184 varnames == NULL || !is_tupleobject(varnames) || |
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185 name == NULL || !is_stringobject(name) || |
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186 filename == NULL || !is_stringobject(filename)) { |
| 69 | 187 err_badcall(); |
| 188 return NULL; | |
| 189 } | |
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190 /* Make sure names and varnames are all strings */ |
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191 for (i = gettuplesize(names); --i >= 0; ) { |
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192 object *v = gettupleitem(names, i); |
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193 if (v == NULL || !is_stringobject(v)) { |
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194 err_badcall(); |
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195 return NULL; |
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196 } |
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197 } |
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198 for (i = gettuplesize(varnames); --i >= 0; ) { |
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199 object *v = gettupleitem(varnames, i); |
| 69 | 200 if (v == NULL || !is_stringobject(v)) { |
| 201 err_badcall(); | |
| 202 return NULL; | |
| 203 } | |
| 204 } | |
| 205 co = NEWOBJ(codeobject, &Codetype); | |
| 206 if (co != NULL) { | |
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207 co->co_argcount = argcount; |
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208 co->co_nlocals = nlocals; |
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209 co->co_flags = flags; |
| 69 | 210 INCREF(code); |
| 211 co->co_code = (stringobject *)code; | |
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212 INCREF(consts); |
| 69 | 213 co->co_consts = consts; |
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214 INCREF(names); |
| 69 | 215 co->co_names = names; |
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216 INCREF(varnames); |
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217 co->co_varnames = varnames; |
|
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218 INCREF(filename); |
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219 co->co_filename = filename; |
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220 INCREF(name); |
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221 co->co_name = name; |
| 69 | 222 } |
| 223 return co; | |
| 224 } | |
| 225 | |
| 226 | |
| 227 /* Data structure used internally */ | |
|
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228 |
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229 #define MAXBLOCKS 20 /* Max static block nesting within a function */ |
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230 |
| 69 | 231 struct compiling { |
| 232 object *c_code; /* string */ | |
| 233 object *c_consts; /* list of objects */ | |
| 234 object *c_names; /* list of strings (names) */ | |
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235 object *c_globals; /* dictionary (value=None) */ |
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236 object *c_locals; /* dictionary (value=localID) */ |
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237 object *c_varnames; /* list (inverse of c_locals) */ |
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238 int c_nlocals; /* index of next local */ |
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239 int c_argcount; /* number of top-level arguments */ |
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240 int c_flags; /* same as co_flags */ |
| 69 | 241 int c_nexti; /* index into c_code */ |
| 242 int c_errors; /* counts errors occurred */ | |
| 86 | 243 int c_infunction; /* set when compiling a function */ |
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244 int c_interactive; /* generating code for interactive command */ |
| 86 | 245 int c_loops; /* counts nested loops */ |
|
317
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246 int c_begin; /* begin of current loop, for 'continue' */ |
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247 int c_block[MAXBLOCKS]; /* stack of block types */ |
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248 int c_nblocks; /* current block stack level */ |
| 86 | 249 char *c_filename; /* filename of current node */ |
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250 char *c_name; /* name of object (e.g. function) */ |
| 69 | 251 }; |
| 252 | |
|
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253 |
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254 /* Interface to the block stack */ |
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255 |
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256 static void |
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257 block_push(c, type) |
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258 struct compiling *c; |
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259 int type; |
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260 { |
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261 if (c->c_nblocks >= MAXBLOCKS) { |
|
627
1d65f28c0aa9
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262 err_setstr(SystemError, "too many statically nested blocks"); |
|
317
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263 c->c_errors++; |
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264 } |
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265 else { |
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266 c->c_block[c->c_nblocks++] = type; |
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267 } |
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268 } |
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269 |
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270 static void |
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271 block_pop(c, type) |
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272 struct compiling *c; |
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273 int type; |
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274 { |
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275 if (c->c_nblocks > 0) |
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276 c->c_nblocks--; |
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277 if (c->c_block[c->c_nblocks] != type && c->c_errors == 0) { |
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278 err_setstr(SystemError, "bad block pop"); |
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279 c->c_errors++; |
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280 } |
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281 } |
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282 |
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283 |
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284 /* Prototype forward declarations */ |
|
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285 |
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286 static int com_init PROTO((struct compiling *, char *)); |
| 69 | 287 static void com_free PROTO((struct compiling *)); |
| 288 static void com_done PROTO((struct compiling *)); | |
| 289 static void com_node PROTO((struct compiling *, struct _node *)); | |
| 290 static void com_addbyte PROTO((struct compiling *, int)); | |
| 291 static void com_addint PROTO((struct compiling *, int)); | |
| 292 static void com_addoparg PROTO((struct compiling *, int, int)); | |
| 293 static void com_addfwref PROTO((struct compiling *, int, int *)); | |
| 294 static void com_backpatch PROTO((struct compiling *, int)); | |
| 295 static int com_add PROTO((struct compiling *, object *, object *)); | |
| 296 static int com_addconst PROTO((struct compiling *, object *)); | |
| 297 static int com_addname PROTO((struct compiling *, object *)); | |
| 298 static void com_addopname PROTO((struct compiling *, int, node *)); | |
| 482 | 299 static void com_list PROTO((struct compiling *, node *, int)); |
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300 static int com_argdefs PROTO((struct compiling *, node *)); |
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301 static int com_newlocal PROTO((struct compiling *, char *)); |
| 69 | 302 |
| 303 static int | |
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304 com_init(c, filename) |
| 69 | 305 struct compiling *c; |
| 86 | 306 char *filename; |
| 69 | 307 { |
|
160
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308 if ((c->c_code = newsizedstringobject((char *)NULL, 1000)) == NULL) |
| 69 | 309 goto fail_3; |
| 310 if ((c->c_consts = newlistobject(0)) == NULL) | |
| 311 goto fail_2; | |
| 312 if ((c->c_names = newlistobject(0)) == NULL) | |
| 313 goto fail_1; | |
|
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314 if ((c->c_globals = newdictobject()) == NULL) |
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315 goto fail_0; |
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316 if ((c->c_locals = newdictobject()) == NULL) |
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317 goto fail_00; |
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318 if ((c->c_varnames = newlistobject(0)) == NULL) |
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319 goto fail_000; |
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320 c->c_nlocals = 0; |
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321 c->c_argcount = 0; |
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322 c->c_flags = 0; |
| 69 | 323 c->c_nexti = 0; |
| 324 c->c_errors = 0; | |
| 86 | 325 c->c_infunction = 0; |
|
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326 c->c_interactive = 0; |
| 86 | 327 c->c_loops = 0; |
|
317
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328 c->c_begin = 0; |
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329 c->c_nblocks = 0; |
| 86 | 330 c->c_filename = filename; |
|
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331 c->c_name = "?"; |
| 69 | 332 return 1; |
| 333 | |
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334 fail_000: |
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335 DECREF(c->c_locals); |
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336 fail_00: |
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337 DECREF(c->c_globals); |
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338 fail_0: |
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339 DECREF(c->c_names); |
| 69 | 340 fail_1: |
| 341 DECREF(c->c_consts); | |
| 342 fail_2: | |
| 343 DECREF(c->c_code); | |
| 344 fail_3: | |
| 345 return 0; | |
| 346 } | |
| 347 | |
| 348 static void | |
| 349 com_free(c) | |
| 350 struct compiling *c; | |
| 351 { | |
| 352 XDECREF(c->c_code); | |
| 353 XDECREF(c->c_consts); | |
| 354 XDECREF(c->c_names); | |
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355 XDECREF(c->c_globals); |
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356 XDECREF(c->c_locals); |
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357 XDECREF(c->c_varnames); |
| 69 | 358 } |
| 359 | |
| 360 static void | |
| 361 com_done(c) | |
| 362 struct compiling *c; | |
| 363 { | |
| 364 if (c->c_code != NULL) | |
| 365 resizestring(&c->c_code, c->c_nexti); | |
| 366 } | |
| 367 | |
| 368 static void | |
| 369 com_addbyte(c, byte) | |
| 370 struct compiling *c; | |
| 371 int byte; | |
| 372 { | |
| 373 int len; | |
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374 /*fprintf(stderr, "%3d: %3d\n", c->c_nexti, byte);*/ |
| 69 | 375 if (byte < 0 || byte > 255) { |
|
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376 /* |
| 86 | 377 fprintf(stderr, "XXX compiling bad byte: %d\n", byte); |
|
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378 fatal("com_addbyte: byte out of range"); |
|
388
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379 */ |
| 69 | 380 err_setstr(SystemError, "com_addbyte: byte out of range"); |
| 381 c->c_errors++; | |
| 382 } | |
| 383 if (c->c_code == NULL) | |
| 384 return; | |
| 385 len = getstringsize(c->c_code); | |
| 386 if (c->c_nexti >= len) { | |
| 387 if (resizestring(&c->c_code, len+1000) != 0) { | |
| 388 c->c_errors++; | |
| 389 return; | |
| 390 } | |
| 391 } | |
| 392 getstringvalue(c->c_code)[c->c_nexti++] = byte; | |
| 393 } | |
| 394 | |
| 395 static void | |
| 396 com_addint(c, x) | |
| 397 struct compiling *c; | |
| 398 int x; | |
| 399 { | |
|
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400 com_addbyte(c, x & 0xff); |
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401 com_addbyte(c, x >> 8); /* XXX x should be positive */ |
| 69 | 402 } |
| 403 | |
| 404 static void | |
| 405 com_addoparg(c, op, arg) | |
| 406 struct compiling *c; | |
| 407 int op; | |
| 408 int arg; | |
| 409 { | |
| 410 com_addbyte(c, op); | |
| 411 com_addint(c, arg); | |
| 412 } | |
| 413 | |
| 414 static void | |
| 415 com_addfwref(c, op, p_anchor) | |
| 416 struct compiling *c; | |
| 417 int op; | |
| 418 int *p_anchor; | |
| 419 { | |
| 420 /* Compile a forward reference for backpatching */ | |
| 421 int here; | |
| 422 int anchor; | |
| 423 com_addbyte(c, op); | |
| 424 here = c->c_nexti; | |
| 425 anchor = *p_anchor; | |
| 426 *p_anchor = here; | |
| 427 com_addint(c, anchor == 0 ? 0 : here - anchor); | |
| 428 } | |
| 429 | |
| 430 static void | |
| 431 com_backpatch(c, anchor) | |
| 432 struct compiling *c; | |
| 433 int anchor; /* Must be nonzero */ | |
| 434 { | |
| 435 unsigned char *code = (unsigned char *) getstringvalue(c->c_code); | |
| 436 int target = c->c_nexti; | |
| 437 int dist; | |
| 438 int prev; | |
| 439 for (;;) { | |
| 440 /* Make the JUMP instruction at anchor point to target */ | |
|
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441 prev = code[anchor] + (code[anchor+1] << 8); |
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442 dist = target - (anchor+2); |
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443 code[anchor] = dist & 0xff; |
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444 code[anchor+1] = dist >> 8; |
| 69 | 445 if (!prev) |
| 446 break; | |
| 447 anchor -= prev; | |
| 448 } | |
| 449 } | |
| 450 | |
| 544 | 451 /* Handle literals and names uniformly */ |
| 69 | 452 |
| 453 static int | |
| 454 com_add(c, list, v) | |
| 455 struct compiling *c; | |
| 456 object *list; | |
| 457 object *v; | |
| 458 { | |
|
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459 int n = getlistsize(list); |
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460 int i; |
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461 for (i = n; --i >= 0; ) { |
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462 object *w = getlistitem(list, i); |
|
303
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463 if (v->ob_type == w->ob_type && cmpobject(v, w) == 0) |
|
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464 return i; |
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465 } |
| 69 | 466 if (addlistitem(list, v) != 0) |
| 467 c->c_errors++; | |
|
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468 return n; |
| 69 | 469 } |
| 470 | |
| 471 static int | |
| 472 com_addconst(c, v) | |
| 473 struct compiling *c; | |
| 474 object *v; | |
| 475 { | |
| 476 return com_add(c, c->c_consts, v); | |
| 477 } | |
| 478 | |
| 479 static int | |
| 480 com_addname(c, v) | |
| 481 struct compiling *c; | |
| 482 object *v; | |
| 483 { | |
| 484 return com_add(c, c->c_names, v); | |
| 485 } | |
| 486 | |
| 487 static void | |
|
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488 com_addopnamestr(c, op, name) |
| 69 | 489 struct compiling *c; |
| 490 int op; | |
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491 char *name; |
| 69 | 492 { |
| 493 object *v; | |
| 494 int i; | |
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495 if (name == NULL || (v = newstringobject(name)) == NULL) { |
| 69 | 496 c->c_errors++; |
| 497 i = 255; | |
| 498 } | |
| 499 else { | |
| 500 i = com_addname(c, v); | |
| 501 DECREF(v); | |
| 502 } | |
|
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503 /* Hack to replace *_NAME opcodes by *_GLOBAL if necessary */ |
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504 switch (op) { |
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505 case LOAD_NAME: |
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506 case STORE_NAME: |
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507 case DELETE_NAME: |
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508 if (dictlookup(c->c_globals, name) != NULL) { |
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509 switch (op) { |
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510 case LOAD_NAME: op = LOAD_GLOBAL; break; |
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511 case STORE_NAME: op = STORE_GLOBAL; break; |
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512 case DELETE_NAME: op = DELETE_GLOBAL; break; |
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513 } |
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514 } |
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515 } |
| 69 | 516 com_addoparg(c, op, i); |
| 517 } | |
| 518 | |
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519 static void |
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520 com_addopname(c, op, n) |
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521 struct compiling *c; |
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522 int op; |
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523 node *n; |
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524 { |
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525 char *name; |
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526 char buffer[1000]; |
|
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527 /* XXX it is possible to write this code without the 1000 |
|
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528 chars on the total length of dotted names, I just can't be |
|
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529 bothered right now */ |
|
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530 if (TYPE(n) == STAR) |
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531 name = "*"; |
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532 else if (TYPE(n) == dotted_name) { |
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533 char *p = buffer; |
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534 int i; |
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535 name = buffer; |
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536 for (i = 0; i < NCH(n); i += 2) { |
|
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537 char *s = STR(CHILD(n, i)); |
|
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538 if (p + strlen(s) > buffer + (sizeof buffer) - 2) { |
|
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539 err_setstr(MemoryError, |
|
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540 "dotted_name too long"); |
|
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541 name = NULL; |
|
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542 break; |
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543 } |
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544 if (p != buffer) |
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545 *p++ = '.'; |
|
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546 strcpy(p, s); |
|
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547 p = strchr(p, '\0'); |
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548 } |
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549 } |
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550 else { |
|
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551 REQ(n, NAME); |
|
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552 name = STR(n); |
|
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553 } |
|
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554 com_addopnamestr(c, op, name); |
|
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555 } |
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|
556 |
| 69 | 557 static object * |
| 558 parsenumber(s) | |
| 559 char *s; | |
| 560 { | |
|
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561 extern long mystrtol PROTO((const char *, char **, int)); |
|
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562 extern unsigned long mystrtoul PROTO((const char *, char **, int)); |
|
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563 extern double atof PROTO((const char *)); |
|
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564 char *end; |
| 69 | 565 long x; |
|
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566 errno = 0; |
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567 end = s + strlen(s) - 1; |
| 744 | 568 if (*end == 'l' || *end == 'L') |
|
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|
569 return long_scan(s, 0); |
|
617
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570 if (s[0] == '0') |
|
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571 x = (long) mystrtoul(s, &end, 0); |
|
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572 else |
|
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573 x = mystrtol(s, &end, 0); |
|
176
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574 if (*end == '\0') { |
|
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|
575 if (errno != 0) { |
|
493
57667ab1e194
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|
576 err_setstr(OverflowError, |
| 544 | 577 "integer literal too large"); |
|
176
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578 return NULL; |
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579 } |
| 69 | 580 return newintobject(x); |
|
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581 } |
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582 /* XXX Huge floats may silently fail */ |
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583 return newfloatobject(atof(s)); |
| 69 | 584 } |
| 585 | |
| 586 static object * | |
| 587 parsestr(s) | |
| 588 char *s; | |
| 589 { | |
| 590 object *v; | |
| 591 int len; | |
| 592 char *buf; | |
| 593 char *p; | |
|
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594 char *end; |
| 69 | 595 int c; |
|
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596 int quote = *s; |
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597 if (quote != '\'' && quote != '\"') { |
| 69 | 598 err_badcall(); |
| 599 return NULL; | |
| 600 } | |
| 601 s++; | |
| 602 len = strlen(s); | |
|
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603 if (s[--len] != quote) { |
| 69 | 604 err_badcall(); |
| 605 return NULL; | |
| 606 } | |
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607 if (len >= 4 && s[0] == quote && s[1] == quote) { |
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608 s += 2; |
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609 len -= 2; |
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610 if (s[--len] != quote || s[--len] != quote) { |
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611 err_badcall(); |
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612 return NULL; |
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613 } |
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614 } |
| 69 | 615 if (strchr(s, '\\') == NULL) |
| 616 return newsizedstringobject(s, len); | |
| 617 v = newsizedstringobject((char *)NULL, len); | |
| 618 p = buf = getstringvalue(v); | |
|
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619 end = s + len; |
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620 while (s < end) { |
| 69 | 621 if (*s != '\\') { |
| 622 *p++ = *s++; | |
| 623 continue; | |
| 624 } | |
| 625 s++; | |
| 626 switch (*s++) { | |
| 627 /* XXX This assumes ASCII! */ | |
|
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628 case '\n': break; |
| 69 | 629 case '\\': *p++ = '\\'; break; |
| 630 case '\'': *p++ = '\''; break; | |
|
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631 case '\"': *p++ = '\"'; break; |
| 69 | 632 case 'b': *p++ = '\b'; break; |
| 633 case 'f': *p++ = '\014'; break; /* FF */ | |
| 634 case 't': *p++ = '\t'; break; | |
| 635 case 'n': *p++ = '\n'; break; | |
| 636 case 'r': *p++ = '\r'; break; | |
| 637 case 'v': *p++ = '\013'; break; /* VT */ | |
| 638 case 'a': *p++ = '\007'; break; /* BEL, not classic C */ | |
| 639 case '0': case '1': case '2': case '3': | |
| 640 case '4': case '5': case '6': case '7': | |
| 641 c = s[-1] - '0'; | |
| 642 if ('0' <= *s && *s <= '7') { | |
| 643 c = (c<<3) + *s++ - '0'; | |
| 644 if ('0' <= *s && *s <= '7') | |
| 645 c = (c<<3) + *s++ - '0'; | |
| 646 } | |
| 647 *p++ = c; | |
| 648 break; | |
| 649 case 'x': | |
| 2310 | 650 if (isxdigit(Py_CHARMASK(*s))) { |
| 69 | 651 sscanf(s, "%x", &c); |
| 652 *p++ = c; | |
| 653 do { | |
| 654 s++; | |
| 2310 | 655 } while (isxdigit(Py_CHARMASK(*s))); |
| 69 | 656 break; |
| 657 } | |
| 658 /* FALLTHROUGH */ | |
| 659 default: *p++ = '\\'; *p++ = s[-1]; break; | |
| 660 } | |
| 661 } | |
| 662 resizestring(&v, (int)(p - buf)); | |
| 663 return v; | |
| 664 } | |
| 665 | |
|
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666 static object * |
|
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667 parsestrplus(n) |
|
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668 node *n; |
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669 { |
|
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670 object *v; |
|
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671 int i; |
|
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672 REQ(CHILD(n, 0), STRING); |
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673 if ((v = parsestr(STR(CHILD(n, 0)))) != NULL) { |
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674 /* String literal concatenation */ |
|
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675 for (i = 1; i < NCH(n) && v != NULL; i++) { |
|
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676 joinstring_decref(&v, parsestr(STR(CHILD(n, i)))); |
|
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677 } |
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678 } |
|
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679 return v; |
|
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680 } |
|
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|
681 |
| 69 | 682 static void |
| 683 com_list_constructor(c, n) | |
| 684 struct compiling *c; | |
| 685 node *n; | |
| 686 { | |
| 687 int len; | |
| 688 int i; | |
| 689 if (TYPE(n) != testlist) | |
| 690 REQ(n, exprlist); | |
| 691 /* exprlist: expr (',' expr)* [',']; likewise for testlist */ | |
| 692 len = (NCH(n) + 1) / 2; | |
| 693 for (i = 0; i < NCH(n); i += 2) | |
| 694 com_node(c, CHILD(n, i)); | |
| 695 com_addoparg(c, BUILD_LIST, len); | |
| 696 } | |
| 697 | |
| 698 static void | |
|
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699 com_dictmaker(c, n) |
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700 struct compiling *c; |
|
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701 node *n; |
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702 { |
|
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703 int i; |
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704 /* dictmaker: test ':' test (',' test ':' value)* [','] */ |
|
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705 for (i = 0; i+2 < NCH(n); i += 4) { |
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706 /* We must arrange things just right for STORE_SUBSCR. |
|
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707 It wants the stack to look like (value) (dict) (key) */ |
|
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708 com_addbyte(c, DUP_TOP); |
|
325b40d77235
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|
709 com_node(c, CHILD(n, i+2)); /* value */ |
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710 com_addbyte(c, ROT_TWO); |
|
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711 com_node(c, CHILD(n, i)); /* key */ |
|
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712 com_addbyte(c, STORE_SUBSCR); |
|
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|
713 } |
|
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|
714 } |
|
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|
715 |
|
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|
716 static void |
| 69 | 717 com_atom(c, n) |
| 718 struct compiling *c; | |
| 719 node *n; | |
| 720 { | |
| 721 node *ch; | |
| 722 object *v; | |
| 723 int i; | |
| 724 REQ(n, atom); | |
| 725 ch = CHILD(n, 0); | |
| 726 switch (TYPE(ch)) { | |
| 727 case LPAR: | |
| 728 if (TYPE(CHILD(n, 1)) == RPAR) | |
| 729 com_addoparg(c, BUILD_TUPLE, 0); | |
| 730 else | |
| 731 com_node(c, CHILD(n, 1)); | |
| 732 break; | |
| 733 case LSQB: | |
| 734 if (TYPE(CHILD(n, 1)) == RSQB) | |
| 735 com_addoparg(c, BUILD_LIST, 0); | |
| 736 else | |
| 737 com_list_constructor(c, CHILD(n, 1)); | |
| 738 break; | |
|
317
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|
739 case LBRACE: /* '{' [dictmaker] '}' */ |
| 69 | 740 com_addoparg(c, BUILD_MAP, 0); |
|
317
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741 if (TYPE(CHILD(n, 1)) != RBRACE) |
|
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|
742 com_dictmaker(c, CHILD(n, 1)); |
| 69 | 743 break; |
| 744 case BACKQUOTE: | |
| 745 com_node(c, CHILD(n, 1)); | |
| 746 com_addbyte(c, UNARY_CONVERT); | |
| 747 break; | |
| 748 case NUMBER: | |
| 749 if ((v = parsenumber(STR(ch))) == NULL) { | |
| 750 c->c_errors++; | |
| 751 i = 255; | |
| 752 } | |
| 753 else { | |
| 754 i = com_addconst(c, v); | |
| 755 DECREF(v); | |
| 756 } | |
| 757 com_addoparg(c, LOAD_CONST, i); | |
| 758 break; | |
| 759 case STRING: | |
|
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|
760 v = parsestrplus(n); |
|
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|
761 if (v == NULL) { |
| 69 | 762 c->c_errors++; |
| 763 i = 255; | |
| 764 } | |
| 765 else { | |
| 766 i = com_addconst(c, v); | |
| 767 DECREF(v); | |
| 768 } | |
| 769 com_addoparg(c, LOAD_CONST, i); | |
| 770 break; | |
| 771 case NAME: | |
| 772 com_addopname(c, LOAD_NAME, ch); | |
| 773 break; | |
| 774 default: | |
| 775 fprintf(stderr, "node type %d\n", TYPE(ch)); | |
| 776 err_setstr(SystemError, "com_atom: unexpected node type"); | |
| 777 c->c_errors++; | |
| 778 } | |
| 779 } | |
| 780 | |
| 781 static void | |
| 782 com_slice(c, n, op) | |
| 783 struct compiling *c; | |
| 784 node *n; | |
| 785 int op; | |
| 786 { | |
| 787 if (NCH(n) == 1) { | |
| 788 com_addbyte(c, op); | |
| 789 } | |
| 790 else if (NCH(n) == 2) { | |
| 791 if (TYPE(CHILD(n, 0)) != COLON) { | |
| 792 com_node(c, CHILD(n, 0)); | |
| 793 com_addbyte(c, op+1); | |
| 794 } | |
| 795 else { | |
| 796 com_node(c, CHILD(n, 1)); | |
| 797 com_addbyte(c, op+2); | |
| 798 } | |
| 799 } | |
| 800 else { | |
| 801 com_node(c, CHILD(n, 0)); | |
| 802 com_node(c, CHILD(n, 2)); | |
| 803 com_addbyte(c, op+3); | |
| 804 } | |
| 805 } | |
| 806 | |
| 807 static void | |
| 808 com_apply_subscript(c, n) | |
| 809 struct compiling *c; | |
| 810 node *n; | |
| 811 { | |
| 812 REQ(n, subscript); | |
| 813 if (NCH(n) == 1 && TYPE(CHILD(n, 0)) != COLON) { | |
| 814 /* It's a single subscript */ | |
| 815 com_node(c, CHILD(n, 0)); | |
| 816 com_addbyte(c, BINARY_SUBSCR); | |
| 817 } | |
| 818 else { | |
| 819 /* It's a slice: [expr] ':' [expr] */ | |
| 820 com_slice(c, n, SLICE); | |
| 821 } | |
| 822 } | |
| 823 | |
|
2813
999b5bdc18ce
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|
824 static int |
|
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|
825 com_argument(c, n, inkeywords) |
|
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|
826 struct compiling *c; |
|
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|
827 node *n; /* argument */ |
|
999b5bdc18ce
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|
828 int inkeywords; |
|
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|
829 { |
|
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|
830 node *m; |
|
999b5bdc18ce
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|
831 REQ(n, argument); /* [test '='] test; really [ keyword '='] keyword */ |
|
999b5bdc18ce
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|
832 if (NCH(n) == 1) { |
|
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|
833 if (inkeywords) { |
|
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|
834 err_setstr(SyntaxError, |
|
999b5bdc18ce
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|
835 "non-keyword arg after keyword arg"); |
|
999b5bdc18ce
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|
836 c->c_errors++; |
|
999b5bdc18ce
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|
837 } |
|
999b5bdc18ce
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|
838 else { |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
839 com_node(c, CHILD(n, 0)); |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
840 } |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
841 return 0; |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
842 } |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
843 m = n; |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
844 do { |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
845 m = CHILD(m, 0); |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
846 } while (NCH(m) == 1); |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
847 if (TYPE(m) != NAME) { |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
848 err_setstr(SyntaxError, "keyword can't be an expression"); |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
849 c->c_errors++; |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
850 } |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
851 else { |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
852 object *v = newstringobject(STR(m)); |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
853 if (v == NULL) |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
854 c->c_errors++; |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
855 else { |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
856 com_addoparg(c, LOAD_CONST, com_addconst(c, v)); |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
857 DECREF(v); |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
858 } |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
859 } |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
860 com_node(c, CHILD(n, 2)); |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
861 return 1; |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
862 } |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
863 |
| 69 | 864 static void |
| 865 com_call_function(c, n) | |
| 866 struct compiling *c; | |
|
2813
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
867 node *n; /* EITHER arglist OR ')' */ |
| 69 | 868 { |
| 869 if (TYPE(n) == RPAR) { | |
|
2813
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
870 com_addoparg(c, CALL_FUNCTION, 0); |
| 69 | 871 } |
| 872 else { | |
|
2813
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
873 int inkeywords, i, na, nk; |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
874 REQ(n, arglist); |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
875 inkeywords = 0; |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
876 na = 0; |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
877 nk = 0; |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
878 for (i = 0; i < NCH(n); i += 2) { |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
879 inkeywords = com_argument(c, CHILD(n, i), inkeywords); |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
880 if (!inkeywords) |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
881 na++; |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
882 else |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
883 nk++; |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
884 } |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
885 if (na > 255 || nk > 255) { |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
886 err_setstr(SyntaxError, "more than 255 arguments"); |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
887 c->c_errors++; |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
888 } |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
889 com_addoparg(c, CALL_FUNCTION, na | (nk << 8)); |
| 69 | 890 } |
| 891 } | |
| 892 | |
| 893 static void | |
| 894 com_select_member(c, n) | |
| 895 struct compiling *c; | |
| 896 node *n; | |
| 897 { | |
| 898 com_addopname(c, LOAD_ATTR, n); | |
| 899 } | |
| 900 | |
| 901 static void | |
| 902 com_apply_trailer(c, n) | |
| 903 struct compiling *c; | |
| 904 node *n; | |
| 905 { | |
| 906 REQ(n, trailer); | |
| 907 switch (TYPE(CHILD(n, 0))) { | |
| 908 case LPAR: | |
| 909 com_call_function(c, CHILD(n, 1)); | |
| 910 break; | |
| 911 case DOT: | |
| 912 com_select_member(c, CHILD(n, 1)); | |
| 913 break; | |
| 914 case LSQB: | |
| 915 com_apply_subscript(c, CHILD(n, 1)); | |
| 916 break; | |
| 917 default: | |
| 918 err_setstr(SystemError, | |
| 919 "com_apply_trailer: unknown trailer type"); | |
| 920 c->c_errors++; | |
| 921 } | |
| 922 } | |
| 923 | |
| 924 static void | |
| 925 com_factor(c, n) | |
| 926 struct compiling *c; | |
| 927 node *n; | |
| 928 { | |
| 929 int i; | |
| 930 REQ(n, factor); | |
| 931 if (TYPE(CHILD(n, 0)) == PLUS) { | |
| 932 com_factor(c, CHILD(n, 1)); | |
| 933 com_addbyte(c, UNARY_POSITIVE); | |
| 934 } | |
| 935 else if (TYPE(CHILD(n, 0)) == MINUS) { | |
| 936 com_factor(c, CHILD(n, 1)); | |
| 937 com_addbyte(c, UNARY_NEGATIVE); | |
| 938 } | |
|
409
b5fe6482072f
Added shift and mask ops.
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parents:
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diff
changeset
|
939 else if (TYPE(CHILD(n, 0)) == TILDE) { |
|
b5fe6482072f
Added shift and mask ops.
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diff
changeset
|
940 com_factor(c, CHILD(n, 1)); |
|
b5fe6482072f
Added shift and mask ops.
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diff
changeset
|
941 com_addbyte(c, UNARY_INVERT); |
|
b5fe6482072f
Added shift and mask ops.
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diff
changeset
|
942 } |
| 69 | 943 else { |
| 944 com_atom(c, CHILD(n, 0)); | |
| 945 for (i = 1; i < NCH(n); i++) | |
| 946 com_apply_trailer(c, CHILD(n, i)); | |
| 947 } | |
| 948 } | |
| 949 | |
| 950 static void | |
| 951 com_term(c, n) | |
| 952 struct compiling *c; | |
| 953 node *n; | |
| 954 { | |
| 955 int i; | |
| 956 int op; | |
| 957 REQ(n, term); | |
| 958 com_factor(c, CHILD(n, 0)); | |
| 959 for (i = 2; i < NCH(n); i += 2) { | |
| 960 com_factor(c, CHILD(n, i)); | |
| 961 switch (TYPE(CHILD(n, i-1))) { | |
| 962 case STAR: | |
| 963 op = BINARY_MULTIPLY; | |
| 964 break; | |
| 965 case SLASH: | |
| 966 op = BINARY_DIVIDE; | |
| 967 break; | |
| 968 case PERCENT: | |
| 969 op = BINARY_MODULO; | |
| 970 break; | |
| 971 default: | |
| 972 err_setstr(SystemError, | |
|
409
b5fe6482072f
Added shift and mask ops.
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diff
changeset
|
973 "com_term: operator not *, / or %"); |
|
b5fe6482072f
Added shift and mask ops.
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parents:
388
diff
changeset
|
974 c->c_errors++; |
|
b5fe6482072f
Added shift and mask ops.
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388
diff
changeset
|
975 op = 255; |
|
b5fe6482072f
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Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
976 } |
|
b5fe6482072f
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parents:
388
diff
changeset
|
977 com_addbyte(c, op); |
|
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Added shift and mask ops.
Guido van Rossum <guido@python.org>
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diff
changeset
|
978 } |
|
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Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
979 } |
|
b5fe6482072f
Added shift and mask ops.
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parents:
388
diff
changeset
|
980 |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
981 static void |
|
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parents:
388
diff
changeset
|
982 com_arith_expr(c, n) |
|
b5fe6482072f
Added shift and mask ops.
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parents:
388
diff
changeset
|
983 struct compiling *c; |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
984 node *n; |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
985 { |
|
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Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
986 int i; |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
987 int op; |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
988 REQ(n, arith_expr); |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
989 com_term(c, CHILD(n, 0)); |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
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diff
changeset
|
990 for (i = 2; i < NCH(n); i += 2) { |
|
b5fe6482072f
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parents:
388
diff
changeset
|
991 com_term(c, CHILD(n, i)); |
|
b5fe6482072f
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parents:
388
diff
changeset
|
992 switch (TYPE(CHILD(n, i-1))) { |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
993 case PLUS: |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
994 op = BINARY_ADD; |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
995 break; |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
996 case MINUS: |
|
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Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
997 op = BINARY_SUBTRACT; |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
998 break; |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
999 default: |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
1000 err_setstr(SystemError, |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
1001 "com_arith_expr: operator not + or -"); |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
1002 c->c_errors++; |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
1003 op = 255; |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
1004 } |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
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diff
changeset
|
1005 com_addbyte(c, op); |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
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diff
changeset
|
1006 } |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
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diff
changeset
|
1007 } |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
1008 |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
1009 static void |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
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diff
changeset
|
1010 com_shift_expr(c, n) |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
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388
diff
changeset
|
1011 struct compiling *c; |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
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388
diff
changeset
|
1012 node *n; |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
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388
diff
changeset
|
1013 { |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
1014 int i; |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
1015 int op; |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
1016 REQ(n, shift_expr); |
|
b5fe6482072f
Added shift and mask ops.
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parents:
388
diff
changeset
|
1017 com_arith_expr(c, CHILD(n, 0)); |
|
b5fe6482072f
Added shift and mask ops.
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parents:
388
diff
changeset
|
1018 for (i = 2; i < NCH(n); i += 2) { |
|
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diff
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|
1019 com_arith_expr(c, CHILD(n, i)); |
|
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diff
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|
1020 switch (TYPE(CHILD(n, i-1))) { |
|
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diff
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|
1021 case LEFTSHIFT: |
|
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diff
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|
1022 op = BINARY_LSHIFT; |
|
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diff
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|
1023 break; |
|
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diff
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|
1024 case RIGHTSHIFT: |
|
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|
1025 op = BINARY_RSHIFT; |
|
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|
1026 break; |
|
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diff
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|
1027 default: |
|
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diff
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|
1028 err_setstr(SystemError, |
|
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diff
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|
1029 "com_shift_expr: operator not << or >>"); |
|
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diff
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|
1030 c->c_errors++; |
|
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388
diff
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|
1031 op = 255; |
|
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diff
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|
1032 } |
|
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|
1033 com_addbyte(c, op); |
|
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diff
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|
1034 } |
|
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|
1035 } |
|
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|
1036 |
|
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diff
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|
1037 static void |
|
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|
1038 com_and_expr(c, n) |
|
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diff
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|
1039 struct compiling *c; |
|
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|
1040 node *n; |
|
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|
1041 { |
|
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|
1042 int i; |
|
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|
1043 int op; |
|
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|
1044 REQ(n, and_expr); |
|
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diff
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|
1045 com_shift_expr(c, CHILD(n, 0)); |
|
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diff
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|
1046 for (i = 2; i < NCH(n); i += 2) { |
|
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|
1047 com_shift_expr(c, CHILD(n, i)); |
|
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diff
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|
1048 if (TYPE(CHILD(n, i-1)) == AMPER) { |
|
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|
1049 op = BINARY_AND; |
|
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|
1050 } |
|
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|
1051 else { |
|
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|
1052 err_setstr(SystemError, |
|
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diff
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|
1053 "com_and_expr: operator not &"); |
|
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388
diff
changeset
|
1054 c->c_errors++; |
|
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388
diff
changeset
|
1055 op = 255; |
|
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diff
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|
1056 } |
|
b5fe6482072f
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diff
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|
1057 com_addbyte(c, op); |
|
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diff
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|
1058 } |
|
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diff
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|
1059 } |
|
b5fe6482072f
Added shift and mask ops.
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diff
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|
1060 |
|
b5fe6482072f
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388
diff
changeset
|
1061 static void |
|
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diff
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|
1062 com_xor_expr(c, n) |
|
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diff
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|
1063 struct compiling *c; |
|
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diff
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|
1064 node *n; |
|
b5fe6482072f
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diff
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|
1065 { |
|
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388
diff
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|
1066 int i; |
|
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388
diff
changeset
|
1067 int op; |
|
b5fe6482072f
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388
diff
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|
1068 REQ(n, xor_expr); |
|
b5fe6482072f
Added shift and mask ops.
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diff
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|
1069 com_and_expr(c, CHILD(n, 0)); |
|
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diff
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|
1070 for (i = 2; i < NCH(n); i += 2) { |
|
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diff
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|
1071 com_and_expr(c, CHILD(n, i)); |
|
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diff
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|
1072 if (TYPE(CHILD(n, i-1)) == CIRCUMFLEX) { |
|
b5fe6482072f
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diff
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|
1073 op = BINARY_XOR; |
|
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diff
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|
1074 } |
|
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|
1075 else { |
|
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|
1076 err_setstr(SystemError, |
|
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diff
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|
1077 "com_xor_expr: operator not ^"); |
| 69 | 1078 c->c_errors++; |
| 1079 op = 255; | |
| 1080 } | |
| 1081 com_addbyte(c, op); | |
| 1082 } | |
| 1083 } | |
| 1084 | |
| 1085 static void | |
| 1086 com_expr(c, n) | |
| 1087 struct compiling *c; | |
| 1088 node *n; | |
| 1089 { | |
| 1090 int i; | |
| 1091 int op; | |
| 1092 REQ(n, expr); | |
|
409
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|
1093 com_xor_expr(c, CHILD(n, 0)); |
| 69 | 1094 for (i = 2; i < NCH(n); i += 2) { |
|
409
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diff
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|
1095 com_xor_expr(c, CHILD(n, i)); |
|
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diff
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|
1096 if (TYPE(CHILD(n, i-1)) == VBAR) { |
|
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diff
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|
1097 op = BINARY_OR; |
|
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diff
changeset
|
1098 } |
|
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diff
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|
1099 else { |
| 69 | 1100 err_setstr(SystemError, |
|
409
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diff
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|
1101 "com_expr: expr operator not |"); |
| 69 | 1102 c->c_errors++; |
| 1103 op = 255; | |
| 1104 } | |
| 1105 com_addbyte(c, op); | |
| 1106 } | |
| 1107 } | |
| 1108 | |
| 1109 static enum cmp_op | |
| 1110 cmp_type(n) | |
| 1111 node *n; | |
| 1112 { | |
| 1113 REQ(n, comp_op); | |
|
388
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Comment out 'abort()' call.
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336
diff
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|
1114 /* comp_op: '<' | '>' | '=' | '>=' | '<=' | '<>' | '!=' | '==' |
| 69 | 1115 | 'in' | 'not' 'in' | 'is' | 'is' not' */ |
| 1116 if (NCH(n) == 1) { | |
| 1117 n = CHILD(n, 0); | |
| 1118 switch (TYPE(n)) { | |
| 1119 case LESS: return LT; | |
| 1120 case GREATER: return GT; | |
|
388
31d509e94271
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diff
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|
1121 case EQEQUAL: /* == */ |
| 69 | 1122 case EQUAL: return EQ; |
|
388
31d509e94271
Comment out 'abort()' call.
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336
diff
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|
1123 case LESSEQUAL: return LE; |
|
31d509e94271
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336
diff
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|
1124 case GREATEREQUAL: return GE; |
|
31d509e94271
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diff
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|
1125 case NOTEQUAL: return NE; /* <> or != */ |
| 69 | 1126 case NAME: if (strcmp(STR(n), "in") == 0) return IN; |
| 1127 if (strcmp(STR(n), "is") == 0) return IS; | |
| 1128 } | |
| 1129 } | |
| 1130 else if (NCH(n) == 2) { | |
| 1131 switch (TYPE(CHILD(n, 0))) { | |
| 1132 case NAME: if (strcmp(STR(CHILD(n, 1)), "in") == 0) | |
| 1133 return NOT_IN; | |
| 1134 if (strcmp(STR(CHILD(n, 0)), "is") == 0) | |
| 1135 return IS_NOT; | |
| 1136 } | |
| 1137 } | |
| 1138 return BAD; | |
| 1139 } | |
| 1140 | |
| 1141 static void | |
| 1142 com_comparison(c, n) | |
| 1143 struct compiling *c; | |
| 1144 node *n; | |
| 1145 { | |
| 1146 int i; | |
| 1147 enum cmp_op op; | |
| 1148 int anchor; | |
| 1149 REQ(n, comparison); /* comparison: expr (comp_op expr)* */ | |
| 1150 com_expr(c, CHILD(n, 0)); | |
| 1151 if (NCH(n) == 1) | |
| 1152 return; | |
| 1153 | |
| 1154 /**************************************************************** | |
| 1155 The following code is generated for all but the last | |
| 1156 comparison in a chain: | |
| 1157 | |
| 1158 label: on stack: opcode: jump to: | |
| 1159 | |
| 1160 a <code to load b> | |
| 1161 a, b DUP_TOP | |
| 1162 a, b, b ROT_THREE | |
| 1163 b, a, b COMPARE_OP | |
| 1164 b, 0-or-1 JUMP_IF_FALSE L1 | |
| 1165 b, 1 POP_TOP | |
| 1166 b | |
| 1167 | |
| 1168 We are now ready to repeat this sequence for the next | |
| 1169 comparison in the chain. | |
| 1170 | |
| 1171 For the last we generate: | |
| 1172 | |
| 1173 b <code to load c> | |
| 1174 b, c COMPARE_OP | |
| 1175 0-or-1 | |
| 1176 | |
| 1177 If there were any jumps to L1 (i.e., there was more than one | |
| 1178 comparison), we generate: | |
| 1179 | |
| 1180 0-or-1 JUMP_FORWARD L2 | |
| 1181 L1: b, 0 ROT_TWO | |
| 1182 0, b POP_TOP | |
| 1183 0 | |
| 1184 L2: | |
| 1185 ****************************************************************/ | |
| 1186 | |
| 1187 anchor = 0; | |
| 1188 | |
| 1189 for (i = 2; i < NCH(n); i += 2) { | |
| 1190 com_expr(c, CHILD(n, i)); | |
| 1191 if (i+2 < NCH(n)) { | |
| 1192 com_addbyte(c, DUP_TOP); | |
| 1193 com_addbyte(c, ROT_THREE); | |
| 1194 } | |
| 1195 op = cmp_type(CHILD(n, i-1)); | |
| 1196 if (op == BAD) { | |
| 1197 err_setstr(SystemError, | |
| 1198 "com_comparison: unknown comparison op"); | |
| 1199 c->c_errors++; | |
| 1200 } | |
| 1201 com_addoparg(c, COMPARE_OP, op); | |
| 1202 if (i+2 < NCH(n)) { | |
| 1203 com_addfwref(c, JUMP_IF_FALSE, &anchor); | |
| 1204 com_addbyte(c, POP_TOP); | |
| 1205 } | |
| 1206 } | |
| 1207 | |
| 1208 if (anchor) { | |
| 1209 int anchor2 = 0; | |
| 1210 com_addfwref(c, JUMP_FORWARD, &anchor2); | |
| 1211 com_backpatch(c, anchor); | |
| 1212 com_addbyte(c, ROT_TWO); | |
| 1213 com_addbyte(c, POP_TOP); | |
| 1214 com_backpatch(c, anchor2); | |
| 1215 } | |
| 1216 } | |
| 1217 | |
| 1218 static void | |
| 1219 com_not_test(c, n) | |
| 1220 struct compiling *c; | |
| 1221 node *n; | |
| 1222 { | |
| 1223 REQ(n, not_test); /* 'not' not_test | comparison */ | |
| 1224 if (NCH(n) == 1) { | |
| 1225 com_comparison(c, CHILD(n, 0)); | |
| 1226 } | |
| 1227 else { | |
| 1228 com_not_test(c, CHILD(n, 1)); | |
| 1229 com_addbyte(c, UNARY_NOT); | |
| 1230 } | |
| 1231 } | |
| 1232 | |
| 1233 static void | |
| 1234 com_and_test(c, n) | |
| 1235 struct compiling *c; | |
| 1236 node *n; | |
| 1237 { | |
| 1238 int i; | |
| 1239 int anchor; | |
| 1240 REQ(n, and_test); /* not_test ('and' not_test)* */ | |
| 1241 anchor = 0; | |
| 1242 i = 0; | |
| 1243 for (;;) { | |
| 1244 com_not_test(c, CHILD(n, i)); | |
| 1245 if ((i += 2) >= NCH(n)) | |
| 1246 break; | |
| 1247 com_addfwref(c, JUMP_IF_FALSE, &anchor); | |
| 1248 com_addbyte(c, POP_TOP); | |
| 1249 } | |
| 1250 if (anchor) | |
| 1251 com_backpatch(c, anchor); | |
| 1252 } | |
| 1253 | |
| 1254 static void | |
| 1255 com_test(c, n) | |
| 1256 struct compiling *c; | |
| 1257 node *n; | |
| 1258 { | |
|
1417
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|
1259 REQ(n, test); /* and_test ('and' and_test)* | lambdef */ |
|
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diff
changeset
|
1260 if (NCH(n) == 1 && TYPE(CHILD(n, 0)) == lambdef) { |
|
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diff
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|
1261 object *v; |
|
f7edfa6d0dcb
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1415
diff
changeset
|
1262 int i; |
|
2844
0261bf5b3819
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diff
changeset
|
1263 int ndefs = com_argdefs(c, CHILD(n, 0)); |
|
1417
f7edfa6d0dcb
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diff
changeset
|
1264 v = (object *) compile(CHILD(n, 0), c->c_filename); |
|
f7edfa6d0dcb
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diff
changeset
|
1265 if (v == NULL) { |
|
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diff
changeset
|
1266 c->c_errors++; |
|
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diff
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|
1267 i = 255; |
|
f7edfa6d0dcb
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diff
changeset
|
1268 } |
|
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diff
changeset
|
1269 else { |
|
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diff
changeset
|
1270 i = com_addconst(c, v); |
|
f7edfa6d0dcb
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diff
changeset
|
1271 DECREF(v); |
|
f7edfa6d0dcb
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diff
changeset
|
1272 } |
|
f7edfa6d0dcb
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diff
changeset
|
1273 com_addoparg(c, LOAD_CONST, i); |
|
2844
0261bf5b3819
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parents:
2813
diff
changeset
|
1274 com_addoparg(c, MAKE_FUNCTION, ndefs); |
| 69 | 1275 } |
|
1417
f7edfa6d0dcb
change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents:
1415
diff
changeset
|
1276 else { |
|
f7edfa6d0dcb
change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents:
1415
diff
changeset
|
1277 int anchor = 0; |
|
f7edfa6d0dcb
change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents:
1415
diff
changeset
|
1278 int i = 0; |
|
f7edfa6d0dcb
change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents:
1415
diff
changeset
|
1279 for (;;) { |
|
f7edfa6d0dcb
change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents:
1415
diff
changeset
|
1280 com_and_test(c, CHILD(n, i)); |
|
f7edfa6d0dcb
change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents:
1415
diff
changeset
|
1281 if ((i += 2) >= NCH(n)) |
|
f7edfa6d0dcb
change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents:
1415
diff
changeset
|
1282 break; |
|
f7edfa6d0dcb
change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents:
1415
diff
changeset
|
1283 com_addfwref(c, JUMP_IF_TRUE, &anchor); |
|
f7edfa6d0dcb
change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents:
1415
diff
changeset
|
1284 com_addbyte(c, POP_TOP); |
|
f7edfa6d0dcb
change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents:
1415
diff
changeset
|
1285 } |
|
f7edfa6d0dcb
change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents:
1415
diff
changeset
|
1286 if (anchor) |
|
f7edfa6d0dcb
change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents:
1415
diff
changeset
|
1287 com_backpatch(c, anchor); |
|
f7edfa6d0dcb
change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents:
1415
diff
changeset
|
1288 } |
| 69 | 1289 } |
| 1290 | |
| 1291 static void | |
| 482 | 1292 com_list(c, n, toplevel) |
| 69 | 1293 struct compiling *c; |
| 1294 node *n; | |
| 482 | 1295 int toplevel; /* If nonzero, *always* build a tuple */ |
| 69 | 1296 { |
| 1297 /* exprlist: expr (',' expr)* [',']; likewise for testlist */ | |
| 482 | 1298 if (NCH(n) == 1 && !toplevel) { |
| 69 | 1299 com_node(c, CHILD(n, 0)); |
| 1300 } | |
| 1301 else { | |
| 1302 int i; | |
| 1303 int len; | |
| 1304 len = (NCH(n) + 1) / 2; | |
| 1305 for (i = 0; i < NCH(n); i += 2) | |
| 1306 com_node(c, CHILD(n, i)); | |
| 1307 com_addoparg(c, BUILD_TUPLE, len); | |
| 1308 } | |
| 1309 } | |
| 1310 | |
| 1311 | |
| 1312 /* Begin of assignment compilation */ | |
| 1313 | |
| 1314 static void com_assign_name PROTO((struct compiling *, node *, int)); | |
| 1315 static void com_assign PROTO((struct compiling *, node *, int)); | |
| 1316 | |
| 1317 static void | |
| 1318 com_assign_attr(c, n, assigning) | |
| 1319 struct compiling *c; | |
| 1320 node *n; | |
| 1321 int assigning; | |
| 1322 { | |
| 1323 com_addopname(c, assigning ? STORE_ATTR : DELETE_ATTR, n); | |
| 1324 } | |
| 1325 | |
| 1326 static void | |
| 1327 com_assign_slice(c, n, assigning) | |
| 1328 struct compiling *c; | |
| 1329 node *n; | |
| 1330 int assigning; | |
| 1331 { | |
| 1332 com_slice(c, n, assigning ? STORE_SLICE : DELETE_SLICE); | |
| 1333 } | |
| 1334 | |
| 1335 static void | |
| 1336 com_assign_subscript(c, n, assigning) | |
| 1337 struct compiling *c; | |
| 1338 node *n; | |
| 1339 int assigning; | |
| 1340 { | |
| 1341 com_node(c, n); | |
| 1342 com_addbyte(c, assigning ? STORE_SUBSCR : DELETE_SUBSCR); | |
| 1343 } | |
| 1344 | |
| 1345 static void | |
| 1346 com_assign_trailer(c, n, assigning) | |
| 1347 struct compiling *c; | |
| 1348 node *n; | |
| 1349 int assigning; | |
| 1350 { | |
| 1351 REQ(n, trailer); | |
| 1352 switch (TYPE(CHILD(n, 0))) { | |
| 1353 case LPAR: /* '(' [exprlist] ')' */ | |
|
627
1d65f28c0aa9
Raise SyntaxError for syntax errors detected in this phase.
Guido van Rossum <guido@python.org>
parents:
617
diff
changeset
|
1354 err_setstr(SyntaxError, "can't assign to function call"); |
| 69 | 1355 c->c_errors++; |
| 1356 break; | |
| 1357 case DOT: /* '.' NAME */ | |
| 1358 com_assign_attr(c, CHILD(n, 1), assigning); | |
| 1359 break; | |
| 1360 case LSQB: /* '[' subscript ']' */ | |
| 1361 n = CHILD(n, 1); | |
| 1362 REQ(n, subscript); /* subscript: expr | [expr] ':' [expr] */ | |
| 1363 if (NCH(n) > 1 || TYPE(CHILD(n, 0)) == COLON) | |
| 1364 com_assign_slice(c, n, assigning); | |
| 1365 else | |
| 1366 com_assign_subscript(c, CHILD(n, 0), assigning); | |
| 1367 break; | |
| 1368 default: | |
|
627
1d65f28c0aa9
Raise SyntaxError for syntax errors detected in this phase.
Guido van Rossum <guido@python.org>
parents:
617
diff
changeset
|
1369 err_setstr(SystemError, "unknown trailer type"); |
| 69 | 1370 c->c_errors++; |
| 1371 } | |
| 1372 } | |
| 1373 | |
| 1374 static void | |
| 1375 com_assign_tuple(c, n, assigning) | |
| 1376 struct compiling *c; | |
| 1377 node *n; | |
| 1378 int assigning; | |
| 1379 { | |
| 1380 int i; | |
| 1381 if (TYPE(n) != testlist) | |
| 1382 REQ(n, exprlist); | |
| 1383 if (assigning) | |
| 1384 com_addoparg(c, UNPACK_TUPLE, (NCH(n)+1)/2); | |
| 1385 for (i = 0; i < NCH(n); i += 2) | |
| 1386 com_assign(c, CHILD(n, i), assigning); | |
| 1387 } | |
| 1388 | |
| 1389 static void | |
| 1390 com_assign_list(c, n, assigning) | |
| 1391 struct compiling *c; | |
| 1392 node *n; | |
| 1393 int assigning; | |
| 1394 { | |
| 1395 int i; | |
| 1396 if (assigning) | |
| 1397 com_addoparg(c, UNPACK_LIST, (NCH(n)+1)/2); | |
| 1398 for (i = 0; i < NCH(n); i += 2) | |
| 1399 com_assign(c, CHILD(n, i), assigning); | |
| 1400 } | |
| 1401 | |
| 1402 static void | |
| 1403 com_assign_name(c, n, assigning) | |
| 1404 struct compiling *c; | |
| 1405 node *n; | |
| 1406 int assigning; | |
| 1407 { | |
| 1408 REQ(n, NAME); | |
| 1409 com_addopname(c, assigning ? STORE_NAME : DELETE_NAME, n); | |
| 1410 } | |
| 1411 | |
| 1412 static void | |
| 1413 com_assign(c, n, assigning) | |
| 1414 struct compiling *c; | |
| 1415 node *n; | |
| 1416 int assigning; | |
| 1417 { | |
| 1418 /* Loop to avoid trivial recursion */ | |
| 1419 for (;;) { | |
| 1420 switch (TYPE(n)) { | |
|
73
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
1421 |
| 69 | 1422 case exprlist: |
| 1423 case testlist: | |
| 1424 if (NCH(n) > 1) { | |
| 1425 com_assign_tuple(c, n, assigning); | |
| 1426 return; | |
| 1427 } | |
| 1428 n = CHILD(n, 0); | |
| 1429 break; | |
|
73
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
1430 |
| 69 | 1431 case test: |
| 1432 case and_test: | |
| 1433 case not_test: | |
| 1434 case comparison: | |
| 1435 case expr: | |
|
409
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
1436 case xor_expr: |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
1437 case and_expr: |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
1438 case shift_expr: |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
1439 case arith_expr: |
| 69 | 1440 case term: |
| 1441 if (NCH(n) > 1) { | |
|
627
1d65f28c0aa9
Raise SyntaxError for syntax errors detected in this phase.
Guido van Rossum <guido@python.org>
parents:
617
diff
changeset
|
1442 err_setstr(SyntaxError, |
| 69 | 1443 "can't assign to operator"); |
| 1444 c->c_errors++; | |
| 1445 return; | |
| 1446 } | |
| 1447 n = CHILD(n, 0); | |
| 1448 break; | |
|
73
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
1449 |
|
409
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
1450 case factor: /* ('+'|'-'|'~') factor | atom trailer* */ |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
1451 if (TYPE(CHILD(n, 0)) != atom) { /* '+'|'-'|'~' */ |
|
627
1d65f28c0aa9
Raise SyntaxError for syntax errors detected in this phase.
Guido van Rossum <guido@python.org>
parents:
617
diff
changeset
|
1452 err_setstr(SyntaxError, |
| 69 | 1453 "can't assign to operator"); |
| 1454 c->c_errors++; | |
| 1455 return; | |
| 1456 } | |
| 1457 if (NCH(n) > 1) { /* trailer present */ | |
| 1458 int i; | |
| 1459 com_node(c, CHILD(n, 0)); | |
| 1460 for (i = 1; i+1 < NCH(n); i++) { | |
| 1461 com_apply_trailer(c, CHILD(n, i)); | |
| 1462 } /* NB i is still alive */ | |
| 1463 com_assign_trailer(c, | |
| 1464 CHILD(n, i), assigning); | |
| 1465 return; | |
| 1466 } | |
| 1467 n = CHILD(n, 0); | |
| 1468 break; | |
|
73
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
1469 |
| 69 | 1470 case atom: |
| 1471 switch (TYPE(CHILD(n, 0))) { | |
| 1472 case LPAR: | |
| 1473 n = CHILD(n, 1); | |
| 1474 if (TYPE(n) == RPAR) { | |
| 1475 /* XXX Should allow () = () ??? */ | |
|
627
1d65f28c0aa9
Raise SyntaxError for syntax errors detected in this phase.
Guido van Rossum <guido@python.org>
parents:
617
diff
changeset
|
1476 err_setstr(SyntaxError, |
| 69 | 1477 "can't assign to ()"); |
| 1478 c->c_errors++; | |
| 1479 return; | |
| 1480 } | |
| 1481 break; | |
| 1482 case LSQB: | |
| 1483 n = CHILD(n, 1); | |
| 1484 if (TYPE(n) == RSQB) { | |
|
627
1d65f28c0aa9
Raise SyntaxError for syntax errors detected in this phase.
Guido van Rossum <guido@python.org>
parents:
617
diff
changeset
|
1485 err_setstr(SyntaxError, |
| 69 | 1486 "can't assign to []"); |
| 1487 c->c_errors++; | |
| 1488 return; | |
| 1489 } | |
| 1490 com_assign_list(c, n, assigning); | |
| 1491 return; | |
| 1492 case NAME: | |
| 1493 com_assign_name(c, CHILD(n, 0), assigning); | |
| 1494 return; | |
| 1495 default: | |
|
627
1d65f28c0aa9
Raise SyntaxError for syntax errors detected in this phase.
Guido van Rossum <guido@python.org>
parents:
617
diff
changeset
|
1496 err_setstr(SyntaxError, |
| 544 | 1497 "can't assign to literal"); |
| 69 | 1498 c->c_errors++; |
| 1499 return; | |
| 1500 } | |
| 1501 break; | |
|
73
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
1502 |
| 69 | 1503 default: |
| 1504 fprintf(stderr, "node type %d\n", TYPE(n)); | |
| 1505 err_setstr(SystemError, "com_assign: bad node"); | |
| 1506 c->c_errors++; | |
| 1507 return; | |
|
73
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
1508 |
| 69 | 1509 } |
| 1510 } | |
| 1511 } | |
| 1512 | |
| 1513 static void | |
| 1514 com_expr_stmt(c, n) | |
| 1515 struct compiling *c; | |
| 1516 node *n; | |
| 1517 { | |
|
1354
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents:
1319
diff
changeset
|
1518 REQ(n, expr_stmt); /* testlist ('=' testlist)* */ |
|
317
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
1519 com_node(c, CHILD(n, NCH(n)-1)); |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
1520 if (NCH(n) == 1) { |
|
1833
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
1521 if (c->c_interactive) |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
1522 com_addbyte(c, PRINT_EXPR); |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
1523 else |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
1524 com_addbyte(c, POP_TOP); |
| 69 | 1525 } |
| 1526 else { | |
| 1527 int i; | |
|
317
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
1528 for (i = 0; i < NCH(n)-2; i+=2) { |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
1529 if (i+2 < NCH(n)-2) |
| 69 | 1530 com_addbyte(c, DUP_TOP); |
| 1531 com_assign(c, CHILD(n, i), 1/*assign*/); | |
| 1532 } | |
| 1533 } | |
| 1534 } | |
| 1535 | |
| 1536 static void | |
| 1537 com_print_stmt(c, n) | |
| 1538 struct compiling *c; | |
| 1539 node *n; | |
| 1540 { | |
| 1541 int i; | |
|
317
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
1542 REQ(n, print_stmt); /* 'print' (test ',')* [test] */ |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
1543 for (i = 1; i < NCH(n); i += 2) { |
| 69 | 1544 com_node(c, CHILD(n, i)); |
| 1545 com_addbyte(c, PRINT_ITEM); | |
| 1546 } | |
|
317
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
1547 if (TYPE(CHILD(n, NCH(n)-1)) != COMMA) |
| 69 | 1548 com_addbyte(c, PRINT_NEWLINE); |
|
73
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
1549 /* XXX Alternatively, LOAD_CONST '\n' and then PRINT_ITEM */ |
| 69 | 1550 } |
| 1551 | |
| 1552 static void | |
| 1553 com_return_stmt(c, n) | |
| 1554 struct compiling *c; | |
| 1555 node *n; | |
| 1556 { | |
|
317
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
1557 REQ(n, return_stmt); /* 'return' [testlist] */ |
| 86 | 1558 if (!c->c_infunction) { |
|
627
1d65f28c0aa9
Raise SyntaxError for syntax errors detected in this phase.
Guido van Rossum <guido@python.org>
parents:
617
diff
changeset
|
1559 err_setstr(SyntaxError, "'return' outside function"); |
| 86 | 1560 c->c_errors++; |
| 1561 } | |
|
317
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
1562 if (NCH(n) < 2) |
| 69 | 1563 com_addoparg(c, LOAD_CONST, com_addconst(c, None)); |
| 1564 else | |
| 1565 com_node(c, CHILD(n, 1)); | |
| 1566 com_addbyte(c, RETURN_VALUE); | |
| 1567 } | |
| 1568 | |
| 1569 static void | |
| 1570 com_raise_stmt(c, n) | |
| 1571 struct compiling *c; | |
| 1572 node *n; | |
| 1573 { | |
|
2813
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
1574 REQ(n, raise_stmt); /* 'raise' test [',' test [',' test]] */ |
| 69 | 1575 com_node(c, CHILD(n, 1)); |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1576 if (NCH(n) > 3) { |
| 69 | 1577 com_node(c, CHILD(n, 3)); |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1578 if (NCH(n) > 5) |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1579 com_node(c, CHILD(n, 5)); |
|
2813
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
1580 } |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1581 com_addoparg(c, RAISE_VARARGS, NCH(n)/2); |
| 69 | 1582 } |
| 1583 | |
| 1584 static void | |
| 1585 com_import_stmt(c, n) | |
| 1586 struct compiling *c; | |
| 1587 node *n; | |
| 1588 { | |
| 1589 int i; | |
| 1590 REQ(n, import_stmt); | |
|
2089
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
1591 /* 'import' dotted_name (',' dotted_name)* | |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
1592 'from' dotted_name 'import' ('*' | NAME (',' NAME)*) */ |
| 69 | 1593 if (STR(CHILD(n, 0))[0] == 'f') { |
|
2089
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
1594 /* 'from' dotted_name 'import' ... */ |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
1595 REQ(CHILD(n, 1), dotted_name); |
| 69 | 1596 com_addopname(c, IMPORT_NAME, CHILD(n, 1)); |
| 1597 for (i = 3; i < NCH(n); i += 2) | |
| 1598 com_addopname(c, IMPORT_FROM, CHILD(n, i)); | |
| 1599 com_addbyte(c, POP_TOP); | |
| 1600 } | |
| 1601 else { | |
|
73
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
1602 /* 'import' ... */ |
| 69 | 1603 for (i = 1; i < NCH(n); i += 2) { |
|
2089
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
1604 REQ(CHILD(n, i), dotted_name); |
| 69 | 1605 com_addopname(c, IMPORT_NAME, CHILD(n, i)); |
|
2089
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
1606 com_addopname(c, STORE_NAME, CHILD(CHILD(n, i), 0)); |
| 69 | 1607 } |
| 1608 } | |
| 1609 } | |
| 1610 | |
| 1611 static void | |
|
466
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
1612 com_global_stmt(c, n) |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
1613 struct compiling *c; |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
1614 node *n; |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
1615 { |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
1616 int i; |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
1617 REQ(n, global_stmt); |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
1618 /* 'global' NAME (',' NAME)* */ |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
1619 for (i = 1; i < NCH(n); i += 2) { |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1620 char *s = STR(CHILD(n, i)); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1621 if (dictlookup(c->c_locals, s) != NULL) { |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1622 err_setstr(SyntaxError, "name is local and global"); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1623 c->c_errors++; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1624 } |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1625 else if (dictinsert(c->c_globals, s, None) != 0) |
|
466
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
1626 c->c_errors++; |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
1627 } |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
1628 } |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
1629 |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1630 static int |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1631 com_newlocal_o(c, nameval) |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1632 struct compiling *c; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1633 object *nameval; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1634 { |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1635 int i; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1636 object *ival; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1637 if (getlistsize(c->c_varnames) != c->c_nlocals) { |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1638 /* This is usually caused by an error on a previous call */ |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1639 if (c->c_errors == 0) { |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1640 err_setstr(SystemError, "mixed up var name/index"); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1641 c->c_errors++; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1642 } |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1643 return 0; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1644 } |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1645 ival = newintobject(i = c->c_nlocals++); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1646 if (ival == NULL) |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1647 c->c_errors++; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1648 else if (mappinginsert(c->c_locals, nameval, ival) != 0) |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1649 c->c_errors++; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1650 else if (addlistitem(c->c_varnames, nameval) != 0) |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1651 c->c_errors++; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1652 XDECREF(ival); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1653 return i; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1654 } |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1655 |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1656 static int |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1657 com_addlocal_o(c, nameval) |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1658 struct compiling *c; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1659 object *nameval; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1660 { |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1661 object *ival = mappinglookup(c->c_locals, nameval); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1662 if (ival != NULL) |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1663 return getintvalue(ival); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1664 return com_newlocal_o(c, nameval); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1665 } |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1666 |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1667 static int |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1668 com_newlocal(c, name) |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1669 struct compiling *c; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1670 char *name; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1671 { |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1672 object *nameval = newstringobject(name); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1673 int i; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1674 if (nameval == NULL) { |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1675 c->c_errors++; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1676 return 0; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1677 } |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1678 i = com_newlocal_o(c, nameval); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1679 DECREF(nameval); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1680 return i; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1681 } |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
1682 |
|
1288
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1683 #define strequ(a, b) (strcmp((a), (b)) == 0) |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1684 |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1685 static void |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1686 com_access_stmt(c, n) |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1687 struct compiling *c; |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1688 node *n; |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1689 { |
|
3166
938c433c876a
disable code generation for access statement
Guido van Rossum <guido@python.org>
parents:
3139
diff
changeset
|
1690 #if 0 |
|
1288
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1691 int i, j, k, mode, imode; |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1692 object *vmode; |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1693 REQ(n, access_stmt); |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1694 /* 'access' NAME (',' NAME)* ':' accesstype (',' accesstype)* |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1695 accesstype: NAME+ */ |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1696 |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1697 /* Find where the colon is */ |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1698 i = 1; |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1699 while (TYPE(CHILD(n,i-1)) != COLON) |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1700 i += 1; |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1701 |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1702 /* Calculate the mode mask */ |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1703 mode = 0; |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1704 for (j = i; j < NCH(n); j += 2) { |
|
1289
4d292c7857d4
Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents:
1288
diff
changeset
|
1705 int r = 0, w = 0, p = 0; |
|
4d292c7857d4
Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents:
1288
diff
changeset
|
1706 for (k = 0; k < NCH(CHILD(n,j)); k++) { |
|
1288
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1707 if (strequ(STR(CHILD(CHILD(n,j),k)), "public")) |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1708 p = 0; |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1709 else if (strequ(STR(CHILD(CHILD(n,j),k)), "protected")) |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1710 p = 1; |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1711 else if (strequ(STR(CHILD(CHILD(n,j),k)), "private")) |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1712 p = 2; |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1713 else if (strequ(STR(CHILD(CHILD(n,j),k)), "read")) |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1714 r = 1; |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1715 else if (strequ(STR(CHILD(CHILD(n,j),k)), "write")) |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1716 w = 1; |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1717 else /* XXX should make this an exception */ |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1718 fprintf(stderr, "bad access type %s\n", |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1719 STR(CHILD(CHILD(n,j),k))); |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1720 } |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1721 if (r == 0 && w == 0) |
|
1289
4d292c7857d4
Access checks now work, at least for instance data (not for methods
Guido van Rossum <guido@python.org>
parents:
1288
diff
changeset
|
1722 r = w = 1; |
|
1288
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1723 if (p == 0) { |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1724 if (r == 1) mode |= AC_R_PUBLIC; |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1725 if (w == 1) mode |= AC_W_PUBLIC; |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1726 } else if (p == 1) { |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1727 if (r == 1) mode |= AC_R_PROTECTED; |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1728 if (w == 1) mode |= AC_W_PROTECTED; |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1729 } else { |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1730 if (r == 1) mode |= AC_R_PRIVATE; |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1731 if (w == 1) mode |= AC_W_PRIVATE; |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
1732 } |
|
9fed5726a36d
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diff
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|
1733 } |
|
9fed5726a36d
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|
1734 vmode = newintobject((long)mode); |
|
9fed5726a36d
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|
1735 imode = com_addconst(c, vmode); |
|
9fed5726a36d
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|
1736 XDECREF(vmode); |
|
9fed5726a36d
Several changes in one:
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diff
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|
1737 for (i = 1; TYPE(CHILD(n,i-1)) != COLON; i+=2) { |
|
9fed5726a36d
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Guido van Rossum <guido@python.org>
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diff
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|
1738 com_addoparg(c, LOAD_CONST, imode); |
|
9fed5726a36d
Several changes in one:
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diff
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|
1739 com_addopname(c, ACCESS_MODE, CHILD(n, i)); |
|
9fed5726a36d
Several changes in one:
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parents:
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diff
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|
1740 } |
|
3166
938c433c876a
disable code generation for access statement
Guido van Rossum <guido@python.org>
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3139
diff
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|
1741 #endif |
|
1288
9fed5726a36d
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diff
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|
1742 } |
|
9fed5726a36d
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|
1743 |
|
466
90cbcb0b97dc
Implement 'global' and new class syntax.
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|
1744 static void |
|
1354
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
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diff
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|
1745 com_exec_stmt(c, n) |
|
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
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|
1746 struct compiling *c; |
|
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
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|
1747 node *n; |
|
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
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|
1748 { |
|
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
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diff
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|
1749 REQ(n, exec_stmt); |
|
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
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diff
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|
1750 /* exec_stmt: 'exec' expr ['in' expr [',' expr]] */ |
|
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
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|
1751 com_node(c, CHILD(n, 1)); |
|
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
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|
1752 if (NCH(n) >= 4) |
|
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
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|
1753 com_node(c, CHILD(n, 3)); |
|
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
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|
1754 else |
|
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
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|
1755 com_addoparg(c, LOAD_CONST, com_addconst(c, None)); |
|
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
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|
1756 if (NCH(n) >= 6) |
|
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
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|
1757 com_node(c, CHILD(n, 5)); |
|
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
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|
1758 else |
|
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
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|
1759 com_addbyte(c, DUP_TOP); |
|
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
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1319
diff
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|
1760 com_addbyte(c, EXEC_STMT); |
|
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
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|
1761 } |
|
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
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|
1762 |
|
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
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diff
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|
1763 static void |
| 69 | 1764 com_if_stmt(c, n) |
| 1765 struct compiling *c; | |
| 1766 node *n; | |
| 1767 { | |
| 1768 int i; | |
| 1769 int anchor = 0; | |
| 1770 REQ(n, if_stmt); | |
| 1771 /*'if' test ':' suite ('elif' test ':' suite)* ['else' ':' suite] */ | |
| 1772 for (i = 0; i+3 < NCH(n); i+=4) { | |
| 1773 int a = 0; | |
| 86 | 1774 node *ch = CHILD(n, i+1); |
| 1775 if (i > 0) | |
| 1776 com_addoparg(c, SET_LINENO, ch->n_lineno); | |
| 69 | 1777 com_node(c, CHILD(n, i+1)); |
| 1778 com_addfwref(c, JUMP_IF_FALSE, &a); | |
| 1779 com_addbyte(c, POP_TOP); | |
| 1780 com_node(c, CHILD(n, i+3)); | |
| 1781 com_addfwref(c, JUMP_FORWARD, &anchor); | |
| 1782 com_backpatch(c, a); | |
| 1783 com_addbyte(c, POP_TOP); | |
| 1784 } | |
| 1785 if (i+2 < NCH(n)) | |
| 1786 com_node(c, CHILD(n, i+2)); | |
| 1787 com_backpatch(c, anchor); | |
| 1788 } | |
| 1789 | |
| 1790 static void | |
| 1791 com_while_stmt(c, n) | |
| 1792 struct compiling *c; | |
| 1793 node *n; | |
| 1794 { | |
| 1795 int break_anchor = 0; | |
| 1796 int anchor = 0; | |
|
317
325b40d77235
New syntax: semicolons, continue statement.
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|
1797 int save_begin = c->c_begin; |
| 69 | 1798 REQ(n, while_stmt); /* 'while' test ':' suite ['else' ':' suite] */ |
| 1799 com_addfwref(c, SETUP_LOOP, &break_anchor); | |
|
317
325b40d77235
New syntax: semicolons, continue statement.
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|
1800 block_push(c, SETUP_LOOP); |
|
325b40d77235
New syntax: semicolons, continue statement.
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diff
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|
1801 c->c_begin = c->c_nexti; |
| 86 | 1802 com_addoparg(c, SET_LINENO, n->n_lineno); |
| 69 | 1803 com_node(c, CHILD(n, 1)); |
| 1804 com_addfwref(c, JUMP_IF_FALSE, &anchor); | |
| 1805 com_addbyte(c, POP_TOP); | |
| 86 | 1806 c->c_loops++; |
| 69 | 1807 com_node(c, CHILD(n, 3)); |
| 86 | 1808 c->c_loops--; |
|
317
325b40d77235
New syntax: semicolons, continue statement.
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|
1809 com_addoparg(c, JUMP_ABSOLUTE, c->c_begin); |
|
325b40d77235
New syntax: semicolons, continue statement.
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|
1810 c->c_begin = save_begin; |
| 69 | 1811 com_backpatch(c, anchor); |
| 1812 com_addbyte(c, POP_TOP); | |
| 1813 com_addbyte(c, POP_BLOCK); | |
|
317
325b40d77235
New syntax: semicolons, continue statement.
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|
1814 block_pop(c, SETUP_LOOP); |
| 69 | 1815 if (NCH(n) > 4) |
| 1816 com_node(c, CHILD(n, 6)); | |
| 1817 com_backpatch(c, break_anchor); | |
| 1818 } | |
| 1819 | |
| 1820 static void | |
| 1821 com_for_stmt(c, n) | |
| 1822 struct compiling *c; | |
| 1823 node *n; | |
| 1824 { | |
| 1825 object *v; | |
| 1826 int break_anchor = 0; | |
| 1827 int anchor = 0; | |
|
317
325b40d77235
New syntax: semicolons, continue statement.
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diff
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|
1828 int save_begin = c->c_begin; |
| 69 | 1829 REQ(n, for_stmt); |
| 1830 /* 'for' exprlist 'in' exprlist ':' suite ['else' ':' suite] */ | |
| 1831 com_addfwref(c, SETUP_LOOP, &break_anchor); | |
|
317
325b40d77235
New syntax: semicolons, continue statement.
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diff
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|
1832 block_push(c, SETUP_LOOP); |
| 69 | 1833 com_node(c, CHILD(n, 3)); |
| 1834 v = newintobject(0L); | |
| 1835 if (v == NULL) | |
| 1836 c->c_errors++; | |
| 1837 com_addoparg(c, LOAD_CONST, com_addconst(c, v)); | |
| 1838 XDECREF(v); | |
|
317
325b40d77235
New syntax: semicolons, continue statement.
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diff
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|
1839 c->c_begin = c->c_nexti; |
| 86 | 1840 com_addoparg(c, SET_LINENO, n->n_lineno); |
| 69 | 1841 com_addfwref(c, FOR_LOOP, &anchor); |
| 1842 com_assign(c, CHILD(n, 1), 1/*assigning*/); | |
| 86 | 1843 c->c_loops++; |
| 69 | 1844 com_node(c, CHILD(n, 5)); |
| 86 | 1845 c->c_loops--; |
|
317
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New syntax: semicolons, continue statement.
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|
1846 com_addoparg(c, JUMP_ABSOLUTE, c->c_begin); |
|
325b40d77235
New syntax: semicolons, continue statement.
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|
1847 c->c_begin = save_begin; |
| 69 | 1848 com_backpatch(c, anchor); |
| 1849 com_addbyte(c, POP_BLOCK); | |
|
317
325b40d77235
New syntax: semicolons, continue statement.
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|
1850 block_pop(c, SETUP_LOOP); |
| 69 | 1851 if (NCH(n) > 8) |
| 1852 com_node(c, CHILD(n, 8)); | |
| 1853 com_backpatch(c, break_anchor); | |
| 1854 } | |
| 1855 | |
|
1833
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
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1417
diff
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|
1856 /* Code generated for "try: S finally: Sf" is as follows: |
|
73
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
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69
diff
changeset
|
1857 |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
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69
diff
changeset
|
1858 SETUP_FINALLY L |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
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69
diff
changeset
|
1859 <code for S> |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
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69
diff
changeset
|
1860 POP_BLOCK |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
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69
diff
changeset
|
1861 LOAD_CONST <nil> |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
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69
diff
changeset
|
1862 L: <code for Sf> |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
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diff
changeset
|
1863 END_FINALLY |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
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69
diff
changeset
|
1864 |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
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69
diff
changeset
|
1865 The special instructions use the block stack. Each block |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
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diff
changeset
|
1866 stack entry contains the instruction that created it (here |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
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69
diff
changeset
|
1867 SETUP_FINALLY), the level of the value stack at the time the |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
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diff
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|
1868 block stack entry was created, and a label (here L). |
|
3028acaa56b0
Compile class definitions.
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diff
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|
1869 |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
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69
diff
changeset
|
1870 SETUP_FINALLY: |
|
3028acaa56b0
Compile class definitions.
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diff
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|
1871 Pushes the current value stack level and the label |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
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diff
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|
1872 onto the block stack. |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
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diff
changeset
|
1873 POP_BLOCK: |
|
3028acaa56b0
Compile class definitions.
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diff
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|
1874 Pops en entry from the block stack, and pops the value |
|
3028acaa56b0
Compile class definitions.
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diff
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|
1875 stack until its level is the same as indicated on the |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
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diff
changeset
|
1876 block stack. (The label is ignored.) |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
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diff
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|
1877 END_FINALLY: |
| 86 | 1878 Pops a variable number of entries from the *value* stack |
| 1879 and re-raises the exception they specify. The number of | |
| 1880 entries popped depends on the (pseudo) exception type. | |
|
73
3028acaa56b0
Compile class definitions.
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diff
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|
1881 |
|
3028acaa56b0
Compile class definitions.
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|
1882 The block stack is unwound when an exception is raised: |
|
3028acaa56b0
Compile class definitions.
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|
1883 when a SETUP_FINALLY entry is found, the exception is pushed |
|
3028acaa56b0
Compile class definitions.
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|
1884 onto the value stack (and the exception condition is cleared), |
|
3028acaa56b0
Compile class definitions.
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|
1885 and the interpreter jumps to the label gotten from the block |
|
3028acaa56b0
Compile class definitions.
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|
1886 stack. |
|
3028acaa56b0
Compile class definitions.
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|
1887 |
|
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Compile class definitions.
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|
1888 Code generated for "try: S except E1, V1: S1 except E2, V2: S2 ...": |
| 86 | 1889 (The contents of the value stack is shown in [], with the top |
| 1890 at the right; 'tb' is trace-back info, 'val' the exception's | |
| 1891 associated value, and 'exc' the exception.) | |
|
73
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Compile class definitions.
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|
1892 |
|
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Compile class definitions.
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|
1893 Value stack Label Instruction Argument |
|
3028acaa56b0
Compile class definitions.
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|
1894 [] SETUP_EXCEPT L1 |
|
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Compile class definitions.
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|
1895 [] <code for S> |
|
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Compile class definitions.
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|
1896 [] POP_BLOCK |
|
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Compile class definitions.
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|
1897 [] JUMP_FORWARD L0 |
|
3028acaa56b0
Compile class definitions.
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|
1898 |
| 86 | 1899 [tb, val, exc] L1: DUP ) |
| 1900 [tb, val, exc, exc] <evaluate E1> ) | |
| 1901 [tb, val, exc, exc, E1] COMPARE_OP EXC_MATCH ) only if E1 | |
| 1902 [tb, val, exc, 1-or-0] JUMP_IF_FALSE L2 ) | |
| 1903 [tb, val, exc, 1] POP ) | |
| 1904 [tb, val, exc] POP | |
| 1905 [tb, val] <assign to V1> (or POP if no V1) | |
| 1906 [tb] POP | |
|
73
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|
1907 [] <code for S1> |
|
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|
1908 JUMP_FORWARD L0 |
|
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|
1909 |
| 86 | 1910 [tb, val, exc, 0] L2: POP |
| 1911 [tb, val, exc] DUP | |
|
73
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|
1912 .............................etc....................... |
|
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|
1913 |
| 86 | 1914 [tb, val, exc, 0] Ln+1: POP |
| 1915 [tb, val, exc] END_FINALLY # re-raise exception | |
|
73
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|
1916 |
|
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|
1917 [] L0: <next statement> |
|
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|
1918 |
|
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|
1919 Of course, parts are not generated if Vi or Ei is not present. |
|
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|
1920 */ |
|
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|
1921 |
| 69 | 1922 static void |
|
1833
39a4c15acb32
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|
1923 com_try_except(c, n) |
|
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|
1924 struct compiling *c; |
|
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|
1925 node *n; |
|
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1926 { |
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1927 int except_anchor = 0; |
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1928 int end_anchor = 0; |
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1929 int else_anchor = 0; |
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1930 int i; |
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1931 node *ch; |
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1932 |
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1933 com_addfwref(c, SETUP_EXCEPT, &except_anchor); |
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1934 block_push(c, SETUP_EXCEPT); |
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1935 com_node(c, CHILD(n, 2)); |
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1936 com_addbyte(c, POP_BLOCK); |
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1937 block_pop(c, SETUP_EXCEPT); |
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1938 com_addfwref(c, JUMP_FORWARD, &else_anchor); |
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1939 com_backpatch(c, except_anchor); |
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1940 for (i = 3; |
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1941 i < NCH(n) && TYPE(ch = CHILD(n, i)) == except_clause; |
|
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1942 i += 3) { |
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1943 /* except_clause: 'except' [expr [',' expr]] */ |
|
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1944 if (except_anchor == 0) { |
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1945 err_setstr(SyntaxError, |
|
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1946 "default 'except:' must be last"); |
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1947 c->c_errors++; |
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1948 break; |
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1949 } |
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1950 except_anchor = 0; |
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1951 com_addoparg(c, SET_LINENO, ch->n_lineno); |
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1952 if (NCH(ch) > 1) { |
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1953 com_addbyte(c, DUP_TOP); |
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1954 com_node(c, CHILD(ch, 1)); |
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1955 com_addoparg(c, COMPARE_OP, EXC_MATCH); |
|
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* Python/compile.c (com_argdefs, com_arglist): avoid referencing
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1956 com_addfwref(c, JUMP_IF_FALSE, &except_anchor); |
|
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1957 com_addbyte(c, POP_TOP); |
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1958 } |
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1959 com_addbyte(c, POP_TOP); |
|
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1960 if (NCH(ch) > 3) |
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1961 com_assign(c, CHILD(ch, 3), 1/*assigning*/); |
|
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1962 else |
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1963 com_addbyte(c, POP_TOP); |
|
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1964 com_addbyte(c, POP_TOP); |
|
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1965 com_node(c, CHILD(n, i+2)); |
|
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1966 com_addfwref(c, JUMP_FORWARD, &end_anchor); |
|
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1967 if (except_anchor) { |
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1968 com_backpatch(c, except_anchor); |
|
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1969 com_addbyte(c, POP_TOP); |
|
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1970 } |
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1971 } |
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1972 com_addbyte(c, END_FINALLY); |
|
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1973 com_backpatch(c, else_anchor); |
|
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1974 if (i < NCH(n)) |
|
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1975 com_node(c, CHILD(n, i+2)); |
|
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1976 com_backpatch(c, end_anchor); |
|
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1977 } |
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1978 |
|
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1979 static void |
|
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1980 com_try_finally(c, n) |
| 69 | 1981 struct compiling *c; |
| 1982 node *n; | |
| 1983 { | |
| 1984 int finally_anchor = 0; | |
|
1833
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|
1985 node *ch; |
|
792
dc3b455f7632
Only * can be used for varargs argument lists
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744
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|
1986 |
|
1833
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1987 com_addfwref(c, SETUP_FINALLY, &finally_anchor); |
|
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1988 block_push(c, SETUP_FINALLY); |
| 69 | 1989 com_node(c, CHILD(n, 2)); |
|
1833
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1990 com_addbyte(c, POP_BLOCK); |
|
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* Python/compile.c (com_argdefs, com_arglist): avoid referencing
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1991 block_pop(c, SETUP_FINALLY); |
|
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* Python/compile.c (com_argdefs, com_arglist): avoid referencing
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|
1992 block_push(c, END_FINALLY); |
|
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* Python/compile.c (com_argdefs, com_arglist): avoid referencing
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|
1993 com_addoparg(c, LOAD_CONST, com_addconst(c, None)); |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
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1994 com_backpatch(c, finally_anchor); |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
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1995 ch = CHILD(n, NCH(n)-1); |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
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|
1996 com_addoparg(c, SET_LINENO, ch->n_lineno); |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
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1997 com_node(c, ch); |
|
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* Python/compile.c (com_argdefs, com_arglist): avoid referencing
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1998 com_addbyte(c, END_FINALLY); |
|
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1999 block_pop(c, END_FINALLY); |
|
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2000 } |
|
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|
2001 |
|
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|
2002 static void |
|
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* Python/compile.c (com_argdefs, com_arglist): avoid referencing
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|
2003 com_try_stmt(c, n) |
|
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* Python/compile.c (com_argdefs, com_arglist): avoid referencing
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|
2004 struct compiling *c; |
|
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* Python/compile.c (com_argdefs, com_arglist): avoid referencing
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|
2005 node *n; |
|
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* Python/compile.c (com_argdefs, com_arglist): avoid referencing
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|
2006 { |
|
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|
2007 REQ(n, try_stmt); |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
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|
2008 /* 'try' ':' suite (except_clause ':' suite)+ ['else' ':' suite] |
|
39a4c15acb32
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|
2009 | 'try' ':' suite 'finally' ':' suite */ |
|
39a4c15acb32
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|
2010 if (TYPE(CHILD(n, 3)) != except_clause) |
|
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|
2011 com_try_finally(c, n); |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
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|
2012 else |
|
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|
2013 com_try_except(c, n); |
| 69 | 2014 } |
| 2015 | |
|
2089
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
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|
2016 static object * |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2017 get_docstring(n) |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2018 node *n; |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2019 { |
|
2241
fefae37c053c
added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents:
2203
diff
changeset
|
2020 int i; |
|
fefae37c053c
added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents:
2203
diff
changeset
|
2021 |
|
2089
53aa51433f7f
Two independent chages:
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parents:
2062
diff
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|
2022 switch (TYPE(n)) { |
|
53aa51433f7f
Two independent chages:
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parents:
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|
2023 |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
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|
2024 case suite: |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
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|
2025 if (NCH(n) == 1) |
|
53aa51433f7f
Two independent chages:
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|
2026 return get_docstring(CHILD(n, 0)); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
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|
2027 else { |
|
53aa51433f7f
Two independent chages:
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parents:
2062
diff
changeset
|
2028 for (i = 0; i < NCH(n); i++) { |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
2029 node *ch = CHILD(n, i); |
|
53aa51433f7f
Two independent chages:
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parents:
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diff
changeset
|
2030 if (TYPE(ch) == stmt) |
|
53aa51433f7f
Two independent chages:
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parents:
2062
diff
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|
2031 return get_docstring(ch); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
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diff
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|
2032 } |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
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|
2033 } |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2034 break; |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2035 |
|
2241
fefae37c053c
added missing case to get_docstring
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parents:
2203
diff
changeset
|
2036 case file_input: |
|
fefae37c053c
added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents:
2203
diff
changeset
|
2037 for (i = 0; i < NCH(n); i++) { |
|
fefae37c053c
added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents:
2203
diff
changeset
|
2038 node *ch = CHILD(n, i); |
|
fefae37c053c
added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents:
2203
diff
changeset
|
2039 if (TYPE(ch) == stmt) |
|
fefae37c053c
added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents:
2203
diff
changeset
|
2040 return get_docstring(ch); |
|
fefae37c053c
added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents:
2203
diff
changeset
|
2041 } |
|
fefae37c053c
added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents:
2203
diff
changeset
|
2042 break; |
|
fefae37c053c
added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents:
2203
diff
changeset
|
2043 |
|
2089
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2044 case stmt: |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2045 case simple_stmt: |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2046 case small_stmt: |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2047 return get_docstring(CHILD(n, 0)); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2048 |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2049 case expr_stmt: |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2050 case testlist: |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2051 case test: |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2052 case and_test: |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2053 case not_test: |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2054 case comparison: |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2055 case expr: |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2056 case xor_expr: |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2057 case and_expr: |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2058 case shift_expr: |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2059 case arith_expr: |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2060 case term: |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2061 case factor: |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2062 if (NCH(n) == 1) |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2063 return get_docstring(CHILD(n, 0)); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2064 break; |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2065 |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2066 case atom: |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2067 if (TYPE(CHILD(n, 0)) == STRING) |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2068 return parsestrplus(n); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2069 break; |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2070 |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2071 } |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2072 return NULL; |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2073 } |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2074 |
| 69 | 2075 static void |
| 2076 com_suite(c, n) | |
| 2077 struct compiling *c; | |
| 2078 node *n; | |
| 2079 { | |
| 2080 REQ(n, suite); | |
| 2081 /* simple_stmt | NEWLINE INDENT NEWLINE* (stmt NEWLINE*)+ DEDENT */ | |
| 2082 if (NCH(n) == 1) { | |
| 2083 com_node(c, CHILD(n, 0)); | |
| 2084 } | |
| 2085 else { | |
| 2086 int i; | |
| 2087 for (i = 0; i < NCH(n); i++) { | |
| 2088 node *ch = CHILD(n, i); | |
| 2089 if (TYPE(ch) == stmt) | |
| 2090 com_node(c, ch); | |
| 2091 } | |
| 2092 } | |
| 2093 } | |
| 2094 | |
| 744 | 2095 /* ARGSUSED */ |
| 69 | 2096 static void |
|
317
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2097 com_continue_stmt(c, n) |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2098 struct compiling *c; |
| 744 | 2099 node *n; /* Not used, but passed for consistency */ |
|
317
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2100 { |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2101 int i = c->c_nblocks; |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2102 if (i-- > 0 && c->c_block[i] == SETUP_LOOP) { |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2103 com_addoparg(c, JUMP_ABSOLUTE, c->c_begin); |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2104 } |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2105 else { |
|
627
1d65f28c0aa9
Raise SyntaxError for syntax errors detected in this phase.
Guido van Rossum <guido@python.org>
parents:
617
diff
changeset
|
2106 err_setstr(SyntaxError, "'continue' not properly in loop"); |
|
317
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2107 c->c_errors++; |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2108 } |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2109 /* XXX Could allow it inside a 'finally' clause |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2110 XXX if we could pop the exception still on the stack */ |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2111 } |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2112 |
|
1833
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2113 static int |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2114 com_argdefs(c, n) |
|
1833
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2115 struct compiling *c; |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2116 node *n; |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2117 { |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2118 int i, nch, nargs, ndefs; |
|
1833
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2119 if (TYPE(n) == lambdef) { |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2120 /* lambdef: 'lambda' [varargslist] ':' test */ |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2121 n = CHILD(n, 1); |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2122 } |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2123 else { |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2124 REQ(n, funcdef); /* funcdef: 'def' NAME parameters ... */ |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2125 n = CHILD(n, 2); |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2126 REQ(n, parameters); /* parameters: '(' [varargslist] ')' */ |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2127 n = CHILD(n, 1); |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2128 } |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2129 if (TYPE(n) != varargslist) |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2130 return 0; |
|
1833
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2131 /* varargslist: |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2132 (fpdef ['=' test] ',')* '*' ....... | |
|
1833
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2133 fpdef ['=' test] (',' fpdef ['=' test])* [','] */ |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2134 nch = NCH(n); |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2135 nargs = 0; |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2136 ndefs = 0; |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2137 for (i = 0; i < nch; i++) { |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2138 int t; |
|
2813
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
2139 if (TYPE(CHILD(n, i)) == STAR) |
|
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
2140 break; |
|
1833
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2141 nargs++; |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2142 i++; |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2143 if (i >= nch) |
|
3103
e51e17b2d88b
fix bug with missing default for last arg (discovered by Tommy Burnette)
Guido van Rossum <guido@python.org>
parents:
2844
diff
changeset
|
2144 t = RPAR; /* Anything except EQUAL or COMMA */ |
|
e51e17b2d88b
fix bug with missing default for last arg (discovered by Tommy Burnette)
Guido van Rossum <guido@python.org>
parents:
2844
diff
changeset
|
2145 else |
|
e51e17b2d88b
fix bug with missing default for last arg (discovered by Tommy Burnette)
Guido van Rossum <guido@python.org>
parents:
2844
diff
changeset
|
2146 t = TYPE(CHILD(n, i)); |
|
1833
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2147 if (t == EQUAL) { |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2148 i++; |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2149 ndefs++; |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2150 com_node(c, CHILD(n, i)); |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2151 i++; |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2152 if (i >= nch) |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2153 break; |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2154 t = TYPE(CHILD(n, i)); |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2155 } |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2156 else { |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2157 /* Treat "(a=1, b)" as "(a=1, b=None)" */ |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2158 if (ndefs) { |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2159 com_addoparg(c, LOAD_CONST, |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2160 com_addconst(c, None)); |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2161 ndefs++; |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2162 } |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2163 } |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2164 if (t != COMMA) |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2165 break; |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2166 } |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2167 return ndefs; |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2168 } |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2169 |
|
317
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New syntax: semicolons, continue statement.
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303
diff
changeset
|
2170 static void |
| 69 | 2171 com_funcdef(c, n) |
| 2172 struct compiling *c; | |
| 2173 node *n; | |
| 2174 { | |
| 2175 object *v; | |
| 2176 REQ(n, funcdef); /* funcdef: 'def' NAME parameters ':' suite */ | |
|
1415
06570429f062
* import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents:
1405
diff
changeset
|
2177 v = (object *)compile(n, c->c_filename); |
| 69 | 2178 if (v == NULL) |
| 2179 c->c_errors++; | |
| 2180 else { | |
| 2181 int i = com_addconst(c, v); | |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2182 int ndefs = com_argdefs(c, n); |
| 69 | 2183 com_addoparg(c, LOAD_CONST, i); |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2184 com_addoparg(c, MAKE_FUNCTION, ndefs); |
| 69 | 2185 com_addopname(c, STORE_NAME, CHILD(n, 1)); |
| 2186 DECREF(v); | |
| 2187 } | |
| 2188 } | |
| 2189 | |
| 2190 static void | |
|
1288
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
2191 com_bases(c, n) |
|
466
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
2192 struct compiling *c; |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
2193 node *n; |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
2194 { |
| 744 | 2195 int i; |
|
466
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
2196 REQ(n, testlist); |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
2197 /* testlist: test (',' test)* [','] */ |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
2198 for (i = 0; i < NCH(n); i += 2) |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
2199 com_node(c, CHILD(n, i)); |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
2200 com_addoparg(c, BUILD_TUPLE, (NCH(n)+1) / 2); |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
2201 } |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
2202 |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
2203 static void |
| 69 | 2204 com_classdef(c, n) |
| 2205 struct compiling *c; | |
| 2206 node *n; | |
| 2207 { | |
|
1288
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
2208 int i; |
|
73
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
2209 object *v; |
| 69 | 2210 REQ(n, classdef); |
|
1288
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
2211 /* classdef: class NAME ['(' testlist ')'] ':' suite */ |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
2212 if ((v = newstringobject(STR(CHILD(n, 1)))) == NULL) { |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
2213 c->c_errors++; |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
2214 return; |
|
466
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
2215 } |
|
1288
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
2216 /* Push the class name on the stack */ |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
2217 i = com_addconst(c, v); |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
2218 com_addoparg(c, LOAD_CONST, i); |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
2219 DECREF(v); |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
2220 /* Push the tuple of base classes on the stack */ |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
2221 if (TYPE(CHILD(n, 2)) != LPAR) |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
2222 com_addoparg(c, BUILD_TUPLE, 0); |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
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diff
changeset
|
2223 else |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
2224 com_bases(c, CHILD(n, 3)); |
|
1415
06570429f062
* import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents:
1405
diff
changeset
|
2225 v = (object *)compile(n, c->c_filename); |
|
73
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
2226 if (v == NULL) |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
2227 c->c_errors++; |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
2228 else { |
|
1288
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
2229 i = com_addconst(c, v); |
|
73
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
2230 com_addoparg(c, LOAD_CONST, i); |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2231 com_addoparg(c, MAKE_FUNCTION, 0); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2232 com_addoparg(c, CALL_FUNCTION, 0); |
|
73
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
2233 com_addbyte(c, BUILD_CLASS); |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
2234 com_addopname(c, STORE_NAME, CHILD(n, 1)); |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
2235 DECREF(v); |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
2236 } |
| 69 | 2237 } |
| 2238 | |
| 2239 static void | |
| 2240 com_node(c, n) | |
| 2241 struct compiling *c; | |
| 2242 node *n; | |
| 2243 { | |
| 2244 switch (TYPE(n)) { | |
| 2245 | |
| 2246 /* Definition nodes */ | |
| 2247 | |
| 2248 case funcdef: | |
| 2249 com_funcdef(c, n); | |
| 2250 break; | |
| 2251 case classdef: | |
| 2252 com_classdef(c, n); | |
| 2253 break; | |
| 2254 | |
| 2255 /* Trivial parse tree nodes */ | |
| 2256 | |
| 2257 case stmt: | |
|
317
325b40d77235
New syntax: semicolons, continue statement.
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parents:
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diff
changeset
|
2258 case small_stmt: |
| 86 | 2259 case flow_stmt: |
| 2260 com_node(c, CHILD(n, 0)); | |
| 2261 break; | |
| 2262 | |
| 69 | 2263 case simple_stmt: |
|
317
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2264 /* small_stmt (';' small_stmt)* [';'] NEWLINE */ |
|
325b40d77235
New syntax: semicolons, continue statement.
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parents:
303
diff
changeset
|
2265 com_addoparg(c, SET_LINENO, n->n_lineno); |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2266 { |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2267 int i; |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2268 for (i = 0; i < NCH(n)-1; i += 2) |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2269 com_node(c, CHILD(n, i)); |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2270 } |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2271 break; |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2272 |
| 69 | 2273 case compound_stmt: |
| 86 | 2274 com_addoparg(c, SET_LINENO, n->n_lineno); |
| 69 | 2275 com_node(c, CHILD(n, 0)); |
| 2276 break; | |
| 2277 | |
| 2278 /* Statement nodes */ | |
| 2279 | |
| 2280 case expr_stmt: | |
| 2281 com_expr_stmt(c, n); | |
| 2282 break; | |
| 2283 case print_stmt: | |
| 2284 com_print_stmt(c, n); | |
| 2285 break; | |
|
317
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2286 case del_stmt: /* 'del' exprlist */ |
| 69 | 2287 com_assign(c, CHILD(n, 1), 0/*delete*/); |
| 2288 break; | |
| 2289 case pass_stmt: | |
| 2290 break; | |
| 2291 case break_stmt: | |
| 86 | 2292 if (c->c_loops == 0) { |
|
627
1d65f28c0aa9
Raise SyntaxError for syntax errors detected in this phase.
Guido van Rossum <guido@python.org>
parents:
617
diff
changeset
|
2293 err_setstr(SyntaxError, "'break' outside loop"); |
| 86 | 2294 c->c_errors++; |
| 2295 } | |
| 69 | 2296 com_addbyte(c, BREAK_LOOP); |
| 2297 break; | |
|
317
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2298 case continue_stmt: |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2299 com_continue_stmt(c, n); |
|
325b40d77235
New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents:
303
diff
changeset
|
2300 break; |
| 69 | 2301 case return_stmt: |
| 2302 com_return_stmt(c, n); | |
| 2303 break; | |
| 2304 case raise_stmt: | |
| 2305 com_raise_stmt(c, n); | |
| 2306 break; | |
| 2307 case import_stmt: | |
| 2308 com_import_stmt(c, n); | |
| 2309 break; | |
|
466
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
2310 case global_stmt: |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
2311 com_global_stmt(c, n); |
|
90cbcb0b97dc
Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents:
409
diff
changeset
|
2312 break; |
|
1288
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
2313 case access_stmt: |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
2314 com_access_stmt(c, n); |
|
9fed5726a36d
Several changes in one:
Guido van Rossum <guido@python.org>
parents:
1262
diff
changeset
|
2315 break; |
|
1354
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents:
1319
diff
changeset
|
2316 case exec_stmt: |
|
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents:
1319
diff
changeset
|
2317 com_exec_stmt(c, n); |
|
fccd415e2eb8
* bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents:
1319
diff
changeset
|
2318 break; |
| 69 | 2319 case if_stmt: |
| 2320 com_if_stmt(c, n); | |
| 2321 break; | |
| 2322 case while_stmt: | |
| 2323 com_while_stmt(c, n); | |
| 2324 break; | |
| 2325 case for_stmt: | |
| 2326 com_for_stmt(c, n); | |
| 2327 break; | |
| 2328 case try_stmt: | |
| 2329 com_try_stmt(c, n); | |
| 2330 break; | |
| 2331 case suite: | |
| 2332 com_suite(c, n); | |
| 2333 break; | |
| 2334 | |
| 2335 /* Expression nodes */ | |
| 2336 | |
| 2337 case testlist: | |
| 482 | 2338 com_list(c, n, 0); |
| 69 | 2339 break; |
| 2340 case test: | |
| 2341 com_test(c, n); | |
| 2342 break; | |
| 2343 case and_test: | |
| 2344 com_and_test(c, n); | |
| 2345 break; | |
| 2346 case not_test: | |
| 2347 com_not_test(c, n); | |
| 2348 break; | |
| 2349 case comparison: | |
| 2350 com_comparison(c, n); | |
| 2351 break; | |
| 2352 case exprlist: | |
| 482 | 2353 com_list(c, n, 0); |
| 69 | 2354 break; |
| 2355 case expr: | |
| 2356 com_expr(c, n); | |
| 2357 break; | |
|
409
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
2358 case xor_expr: |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
2359 com_xor_expr(c, n); |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
2360 break; |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
2361 case and_expr: |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
2362 com_and_expr(c, n); |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
2363 break; |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
2364 case shift_expr: |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
2365 com_shift_expr(c, n); |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
2366 break; |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
2367 case arith_expr: |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
2368 com_arith_expr(c, n); |
|
b5fe6482072f
Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents:
388
diff
changeset
|
2369 break; |
| 69 | 2370 case term: |
| 2371 com_term(c, n); | |
| 2372 break; | |
| 2373 case factor: | |
| 2374 com_factor(c, n); | |
| 2375 break; | |
| 2376 case atom: | |
| 2377 com_atom(c, n); | |
| 2378 break; | |
| 2379 | |
| 2380 default: | |
| 2381 fprintf(stderr, "node type %d\n", TYPE(n)); | |
| 2382 err_setstr(SystemError, "com_node: unexpected node type"); | |
| 2383 c->c_errors++; | |
| 2384 } | |
| 2385 } | |
| 2386 | |
| 2387 static void com_fplist PROTO((struct compiling *, node *)); | |
| 2388 | |
| 2389 static void | |
| 2390 com_fpdef(c, n) | |
| 2391 struct compiling *c; | |
| 2392 node *n; | |
| 2393 { | |
| 2394 REQ(n, fpdef); /* fpdef: NAME | '(' fplist ')' */ | |
| 2395 if (TYPE(CHILD(n, 0)) == LPAR) | |
| 2396 com_fplist(c, CHILD(n, 1)); | |
| 2397 else | |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2398 com_addoparg(c, STORE_FAST, com_newlocal(c, STR(CHILD(n, 0)))); |
| 69 | 2399 } |
| 2400 | |
| 2401 static void | |
| 2402 com_fplist(c, n) | |
| 2403 struct compiling *c; | |
| 2404 node *n; | |
| 2405 { | |
| 544 | 2406 REQ(n, fplist); /* fplist: fpdef (',' fpdef)* [','] */ |
| 69 | 2407 if (NCH(n) == 1) { |
| 2408 com_fpdef(c, CHILD(n, 0)); | |
| 2409 } | |
| 2410 else { | |
| 2411 int i; | |
| 2412 com_addoparg(c, UNPACK_TUPLE, (NCH(n)+1)/2); | |
| 2413 for (i = 0; i < NCH(n); i += 2) | |
| 2414 com_fpdef(c, CHILD(n, i)); | |
| 2415 } | |
| 2416 } | |
| 2417 | |
| 2418 static void | |
| 584 | 2419 com_arglist(c, n) |
| 2420 struct compiling *c; | |
| 2421 node *n; | |
| 2422 { | |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2423 int nch, i; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2424 int complex = 0; |
| 584 | 2425 REQ(n, varargslist); |
|
617
755bb8efcc2d
Use strtoul() for oct/hex constants.
Guido van Rossum <guido@python.org>
parents:
584
diff
changeset
|
2426 /* varargslist: |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2427 (fpdef ['=' test] ',')* (fpdef ['=' test] | '*' .....) */ |
|
1833
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2428 nch = NCH(n); |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2429 /* Enter all arguments in table of locals */ |
|
1833
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2430 for (i = 0; i < nch; i++) { |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2431 node *ch = CHILD(n, i); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2432 node *fp; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2433 char *name; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2434 if (TYPE(ch) == STAR) |
|
2813
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
2435 break; |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2436 REQ(ch, fpdef); /* fpdef: NAME | '(' fplist ')' */ |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2437 fp = CHILD(ch, 0); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2438 if (TYPE(fp) == NAME) |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2439 name = STR(fp); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2440 else { |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2441 name = ""; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2442 complex= 1; |
|
2813
999b5bdc18ce
3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents:
2367
diff
changeset
|
2443 } |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2444 com_newlocal(c, name); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2445 c->c_argcount++; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2446 if (++i >= nch) |
| 584 | 2447 break; |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2448 ch = CHILD(n, i); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2449 if (TYPE(ch) == EQUAL) |
|
1833
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2450 i += 2; |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2451 else |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2452 REQ(ch, COMMA); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2453 } |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2454 /* Handle *arguments */ |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2455 if (i < nch) { |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2456 node *ch; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2457 ch = CHILD(n, i); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2458 REQ(ch, STAR); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2459 ch = CHILD(n, i+1); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2460 if (TYPE(ch) == NAME) { |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2461 c->c_flags |= CO_VARARGS; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2462 i += 3; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2463 com_newlocal(c, STR(ch)); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2464 } |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2465 } |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2466 /* Handle **keywords */ |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2467 if (i < nch) { |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2468 node *ch; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2469 ch = CHILD(n, i); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2470 REQ(ch, STAR); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2471 ch = CHILD(n, i+1); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2472 REQ(ch, STAR); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2473 ch = CHILD(n, i+2); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2474 REQ(ch, NAME); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2475 c->c_flags |= CO_VARKEYWORDS; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2476 com_newlocal(c, STR(ch)); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2477 } |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2478 if (complex) { |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2479 /* Generate code for complex arguments only after |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2480 having counted the simple arguments */ |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2481 int ilocal = 0; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2482 for (i = 0; i < nch; i++) { |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2483 node *ch = CHILD(n, i); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2484 node *fp; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2485 if (TYPE(ch) == STAR) |
|
1833
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2486 break; |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2487 REQ(ch, fpdef); /* fpdef: NAME | '(' fplist ')' */ |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2488 fp = CHILD(ch, 0); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2489 if (TYPE(fp) != NAME) { |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2490 com_addoparg(c, LOAD_FAST, ilocal); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2491 com_fpdef(c, ch); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2492 } |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2493 ilocal++; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2494 if (++i >= nch) |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2495 break; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2496 ch = CHILD(n, i); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2497 if (TYPE(ch) == EQUAL) |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2498 i += 2; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2499 else |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2500 REQ(ch, COMMA); |
| 584 | 2501 } |
| 2502 } | |
| 2503 } | |
| 2504 | |
| 2505 static void | |
| 69 | 2506 com_file_input(c, n) |
| 2507 struct compiling *c; | |
| 2508 node *n; | |
| 2509 { | |
| 2510 int i; | |
|
2089
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2511 object *doc; |
| 69 | 2512 REQ(n, file_input); /* (NEWLINE | stmt)* ENDMARKER */ |
|
2089
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2513 doc = get_docstring(n); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2514 if (doc != NULL) { |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2515 int i = com_addconst(c, doc); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2516 DECREF(doc); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2517 com_addoparg(c, LOAD_CONST, i); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2518 com_addopnamestr(c, STORE_NAME, "__doc__"); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2519 } |
| 69 | 2520 for (i = 0; i < NCH(n); i++) { |
| 2521 node *ch = CHILD(n, i); | |
| 2522 if (TYPE(ch) != ENDMARKER && TYPE(ch) != NEWLINE) | |
| 2523 com_node(c, ch); | |
| 2524 } | |
| 2525 } | |
| 2526 | |
| 2527 /* Top-level compile-node interface */ | |
| 2528 | |
| 2529 static void | |
| 2530 compile_funcdef(c, n) | |
| 2531 struct compiling *c; | |
| 2532 node *n; | |
| 2533 { | |
|
2089
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2534 object *doc; |
| 69 | 2535 node *ch; |
| 2536 REQ(n, funcdef); /* funcdef: 'def' NAME parameters ':' suite */ | |
|
1257
1cabc2b6c970
* Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents:
1029
diff
changeset
|
2537 c->c_name = STR(CHILD(n, 1)); |
|
2089
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2538 doc = get_docstring(CHILD(n, 4)); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2539 if (doc != NULL) { |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2540 (void) com_addconst(c, doc); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2541 DECREF(doc); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2542 } |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2543 else |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2544 (void) com_addconst(c, None); /* No docstring */ |
| 584 | 2545 ch = CHILD(n, 2); /* parameters: '(' [varargslist] ')' */ |
| 2546 ch = CHILD(ch, 1); /* ')' | varargslist */ | |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2547 if (TYPE(ch) == varargslist) |
| 584 | 2548 com_arglist(c, ch); |
| 86 | 2549 c->c_infunction = 1; |
| 69 | 2550 com_node(c, CHILD(n, 4)); |
| 86 | 2551 c->c_infunction = 0; |
| 69 | 2552 com_addoparg(c, LOAD_CONST, com_addconst(c, None)); |
| 2553 com_addbyte(c, RETURN_VALUE); | |
| 2554 } | |
| 2555 | |
| 2556 static void | |
|
1415
06570429f062
* import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents:
1405
diff
changeset
|
2557 compile_lambdef(c, n) |
|
1369
89e1e5d9ccbf
* compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents:
1364
diff
changeset
|
2558 struct compiling *c; |
|
89e1e5d9ccbf
* compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents:
1364
diff
changeset
|
2559 node *n; |
|
89e1e5d9ccbf
* compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents:
1364
diff
changeset
|
2560 { |
|
1415
06570429f062
* import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents:
1405
diff
changeset
|
2561 node *ch; |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2562 REQ(n, lambdef); /* lambdef: 'lambda' [varargslist] ':' test */ |
|
2005
ed5d0ad5ea2f
set name to <lambda> instead of None for lambdas
Guido van Rossum <guido@python.org>
parents:
1833
diff
changeset
|
2563 c->c_name = "<lambda>"; |
|
1415
06570429f062
* import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents:
1405
diff
changeset
|
2564 |
|
06570429f062
* import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents:
1405
diff
changeset
|
2565 ch = CHILD(n, 1); |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2566 (void) com_addconst(c, None); /* No docstring */ |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2567 if (TYPE(ch) == varargslist) { |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2568 com_arglist(c, ch); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2569 ch = CHILD(n, 3); |
|
1415
06570429f062
* import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents:
1405
diff
changeset
|
2570 } |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2571 else |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2572 ch = CHILD(n, 2); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2573 com_node(c, ch); |
|
1369
89e1e5d9ccbf
* compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents:
1364
diff
changeset
|
2574 com_addbyte(c, RETURN_VALUE); |
|
89e1e5d9ccbf
* compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents:
1364
diff
changeset
|
2575 } |
|
89e1e5d9ccbf
* compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents:
1364
diff
changeset
|
2576 |
|
89e1e5d9ccbf
* compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents:
1364
diff
changeset
|
2577 static void |
|
2089
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2578 compile_classdef(c, n) |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2579 struct compiling *c; |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2580 node *n; |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2581 { |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2582 node *ch; |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2583 object *doc; |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2584 REQ(n, classdef); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2585 /* classdef: 'class' NAME ['(' testlist ')'] ':' suite */ |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2586 c->c_name = STR(CHILD(n, 1)); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2587 ch = CHILD(n, NCH(n)-1); /* The suite */ |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2588 doc = get_docstring(ch); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2589 if (doc != NULL) { |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2590 int i = com_addconst(c, doc); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2591 DECREF(doc); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2592 com_addoparg(c, LOAD_CONST, i); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2593 com_addopnamestr(c, STORE_NAME, "__doc__"); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2594 } |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2595 else |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2596 (void) com_addconst(c, None); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2597 com_node(c, ch); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2598 com_addbyte(c, LOAD_LOCALS); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2599 com_addbyte(c, RETURN_VALUE); |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2600 } |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2601 |
|
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2602 static void |
| 69 | 2603 compile_node(c, n) |
| 2604 struct compiling *c; | |
| 2605 node *n; | |
| 2606 { | |
| 86 | 2607 com_addoparg(c, SET_LINENO, n->n_lineno); |
| 2608 | |
| 69 | 2609 switch (TYPE(n)) { |
| 2610 | |
|
120
c9a5fe1660f5
Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents:
86
diff
changeset
|
2611 case single_input: /* One interactive command */ |
| 69 | 2612 /* NEWLINE | simple_stmt | compound_stmt NEWLINE */ |
|
1833
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2613 c->c_interactive++; |
| 69 | 2614 n = CHILD(n, 0); |
| 2615 if (TYPE(n) != NEWLINE) | |
| 2616 com_node(c, n); | |
| 86 | 2617 com_addoparg(c, LOAD_CONST, com_addconst(c, None)); |
| 2618 com_addbyte(c, RETURN_VALUE); | |
|
1833
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2619 c->c_interactive--; |
| 69 | 2620 break; |
| 2621 | |
|
120
c9a5fe1660f5
Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents:
86
diff
changeset
|
2622 case file_input: /* A whole file, or built-in function exec() */ |
| 69 | 2623 com_file_input(c, n); |
| 86 | 2624 com_addoparg(c, LOAD_CONST, com_addconst(c, None)); |
| 2625 com_addbyte(c, RETURN_VALUE); | |
| 69 | 2626 break; |
| 2627 | |
|
1415
06570429f062
* import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents:
1405
diff
changeset
|
2628 case eval_input: /* Built-in function input() */ |
|
120
c9a5fe1660f5
Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents:
86
diff
changeset
|
2629 com_node(c, CHILD(n, 0)); |
|
c9a5fe1660f5
Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents:
86
diff
changeset
|
2630 com_addbyte(c, RETURN_VALUE); |
|
c9a5fe1660f5
Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents:
86
diff
changeset
|
2631 break; |
|
c9a5fe1660f5
Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents:
86
diff
changeset
|
2632 |
|
1415
06570429f062
* import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents:
1405
diff
changeset
|
2633 case lambdef: /* anonymous function definition */ |
|
06570429f062
* import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents:
1405
diff
changeset
|
2634 compile_lambdef(c, n); |
|
06570429f062
* import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents:
1405
diff
changeset
|
2635 break; |
|
06570429f062
* import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents:
1405
diff
changeset
|
2636 |
|
120
c9a5fe1660f5
Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents:
86
diff
changeset
|
2637 case funcdef: /* A function definition */ |
| 69 | 2638 compile_funcdef(c, n); |
| 2639 break; | |
| 2640 | |
|
120
c9a5fe1660f5
Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents:
86
diff
changeset
|
2641 case classdef: /* A class definition */ |
|
2089
53aa51433f7f
Two independent chages:
Guido van Rossum <guido@python.org>
parents:
2062
diff
changeset
|
2642 compile_classdef(c, n); |
|
73
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
2643 break; |
|
3028acaa56b0
Compile class definitions.
Guido van Rossum <guido@python.org>
parents:
69
diff
changeset
|
2644 |
| 69 | 2645 default: |
| 2646 fprintf(stderr, "node type %d\n", TYPE(n)); | |
| 2647 err_setstr(SystemError, "compile_node: unexpected node type"); | |
| 2648 c->c_errors++; | |
| 2649 } | |
| 2650 } | |
| 2651 | |
|
1262
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2652 /* Optimization for local variables in functions (and *only* functions). |
|
1257
1cabc2b6c970
* Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents:
1029
diff
changeset
|
2653 |
|
1262
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2654 This replaces all LOAD_NAME, STORE_NAME and DELETE_NAME |
|
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2655 instructions that refer to local variables with LOAD_FAST etc. |
|
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2656 The latter instructions are much faster because they don't need to |
|
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2657 look up the variable name in a dictionary. |
|
1833
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2658 |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2659 To find all local variables, we check all STORE_NAME, IMPORT_FROM |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2660 and DELETE_NAME instructions. This yields all local variables, |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2661 function definitions, class definitions and import statements. |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2662 Argument names have already been entered into the list by the |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2663 special processing for the argument list. |
|
1262
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2664 |
|
1833
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2665 All remaining LOAD_NAME instructions must refer to non-local (global |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2666 or builtin) variables, so are replaced by LOAD_GLOBAL. |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2667 |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2668 There are two problems: 'from foo import *' and 'exec' may introduce |
|
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2669 local variables that we can't know while compiling. If this is the |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2670 case, we can still optimize bona fide locals (since those |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2671 statements will be surrounded by fast_2_locals() and |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2672 locals_2_fast()), but we can't change LOAD_NAME to LOAD_GLOBAL. |
|
1833
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2673 |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2674 NB: this modifies the string object c->c_code! */ |
|
176
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2675 |
|
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2676 static void |
|
1262
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2677 optimize(c) |
|
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2678 struct compiling *c; |
|
176
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2679 { |
|
203
ceb36ec6198d
BUGFIX! Instructions are unsigned bytes.
Guido van Rossum <guido@python.org>
parents:
176
diff
changeset
|
2680 unsigned char *next_instr, *cur_instr; |
|
176
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2681 int opcode; |
|
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2682 int oparg; |
|
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2683 object *name; |
|
2052
d7e91437f0a2
Lots of changes, most minor (fatal() instead of abort(), use of
Guido van Rossum <guido@python.org>
parents:
2005
diff
changeset
|
2684 object *error_type, *error_value, *error_traceback; |
|
1262
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2685 |
|
176
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2686 #define NEXTOP() (*next_instr++) |
|
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2687 #define NEXTARG() (next_instr += 2, (next_instr[-1]<<8) + next_instr[-2]) |
|
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2688 #define GETITEM(v, i) (getlistitem((v), (i))) |
|
1262
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2689 #define GETNAMEOBJ(i) (GETITEM(c->c_names, (i))) |
|
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2690 |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2691 err_fetch(&error_type, &error_value, &error_traceback); |
|
1262
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2692 |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2693 c->c_flags |= CO_OPTIMIZED; |
|
176
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2694 |
|
1262
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2695 next_instr = (unsigned char *) getstringvalue(c->c_code); |
|
176
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2696 for (;;) { |
|
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2697 opcode = NEXTOP(); |
|
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2698 if (opcode == STOP_CODE) |
|
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2699 break; |
|
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2700 if (HAS_ARG(opcode)) |
|
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2701 oparg = NEXTARG(); |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2702 switch (opcode) { |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2703 case STORE_NAME: |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2704 case DELETE_NAME: |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2705 case IMPORT_FROM: |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2706 com_addlocal_o(c, GETNAMEOBJ(oparg)); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2707 break; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2708 case EXEC_STMT: |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2709 c->c_flags &= ~CO_OPTIMIZED; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2710 break; |
|
176
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2711 } |
|
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2712 } |
|
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2713 |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2714 if (dictlookup(c->c_locals, "*") != NULL) |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2715 c->c_flags &= ~CO_OPTIMIZED; |
|
1262
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2716 |
|
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2717 next_instr = (unsigned char *) getstringvalue(c->c_code); |
|
176
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2718 for (;;) { |
|
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2719 cur_instr = next_instr; |
|
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2720 opcode = NEXTOP(); |
|
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2721 if (opcode == STOP_CODE) |
|
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2722 break; |
|
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2723 if (HAS_ARG(opcode)) |
|
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2724 oparg = NEXTARG(); |
|
1262
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2725 if (opcode == LOAD_NAME || |
|
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2726 opcode == STORE_NAME || |
|
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2727 opcode == DELETE_NAME) { |
|
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2728 object *v; |
|
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2729 int i; |
|
176
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2730 name = GETNAMEOBJ(oparg); |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2731 v = dict2lookup(c->c_locals, name); |
|
1262
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2732 if (v == NULL) { |
| 336 | 2733 err_clear(); |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2734 if (opcode == LOAD_NAME && |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2735 (c->c_flags&CO_OPTIMIZED)) |
|
1833
39a4c15acb32
* Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents:
1417
diff
changeset
|
2736 cur_instr[0] = LOAD_GLOBAL; |
|
1262
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2737 continue; |
| 336 | 2738 } |
|
1262
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2739 i = getintvalue(v); |
|
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2740 switch (opcode) { |
|
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2741 case LOAD_NAME: cur_instr[0] = LOAD_FAST; break; |
|
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2742 case STORE_NAME: cur_instr[0] = STORE_FAST; break; |
|
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2743 case DELETE_NAME: cur_instr[0] = DELETE_FAST; break; |
|
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2744 } |
|
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2745 cur_instr[1] = i & 0xff; |
|
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2746 cur_instr[2] = (i>>8) & 0xff; |
|
176
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2747 } |
|
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2748 } |
|
1262
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2749 |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2750 if (c->c_errors == 0) |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2751 err_restore(error_type, error_value, error_traceback); |
|
176
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2752 } |
|
229168a2fe28
Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents:
160
diff
changeset
|
2753 |
| 69 | 2754 codeobject * |
|
1415
06570429f062
* import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents:
1405
diff
changeset
|
2755 compile(n, filename) |
| 69 | 2756 node *n; |
| 86 | 2757 char *filename; |
| 69 | 2758 { |
| 2759 struct compiling sc; | |
| 2760 codeobject *co; | |
|
1415
06570429f062
* import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents:
1405
diff
changeset
|
2761 if (!com_init(&sc, filename)) |
| 69 | 2762 return NULL; |
| 2763 compile_node(&sc, n); | |
| 2764 com_done(&sc); | |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2765 if ((TYPE(n) == funcdef || TYPE(n) == lambdef) && sc.c_errors == 0) { |
|
1262
f820e6917f07
Changes to speed up local variables enormously, by avoiding dictionary
Guido van Rossum <guido@python.org>
parents:
1257
diff
changeset
|
2766 optimize(&sc); |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2767 sc.c_flags |= CO_NEWLOCALS; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2768 } |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2769 else if (TYPE(n) == classdef) |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2770 sc.c_flags |= CO_NEWLOCALS; |
|
1257
1cabc2b6c970
* Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents:
1029
diff
changeset
|
2771 co = NULL; |
|
1cabc2b6c970
* Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents:
1029
diff
changeset
|
2772 if (sc.c_errors == 0) { |
|
2844
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2773 object *consts, *names, *varnames, *filename, *name; |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2774 consts = listtuple(sc.c_consts); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2775 names = listtuple(sc.c_names); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2776 varnames = listtuple(sc.c_varnames); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2777 filename = newstringobject(sc.c_filename); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2778 name = newstringobject(sc.c_name); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2779 if (!err_occurred()) |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2780 co = newcodeobject(sc.c_argcount, |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2781 sc.c_nlocals, |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2782 sc.c_flags, |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2783 sc.c_code, |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2784 consts, |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2785 names, |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2786 varnames, |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2787 filename, |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2788 name); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2789 XDECREF(consts); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2790 XDECREF(names); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2791 XDECREF(varnames); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2792 XDECREF(filename); |
|
0261bf5b3819
keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents:
2813
diff
changeset
|
2793 XDECREF(name); |
|
266
b5826bf29677
Changed and exported newcodeobject() interface, for ".pyc" files.
Guido van Rossum <guido@python.org>
parents:
238
diff
changeset
|
2794 } |
| 69 | 2795 com_free(&sc); |
| 2796 return co; | |
| 2797 } |