Mercurial > cpython-lru_cache-weakref
annotate Python/bltinmodule.c @ 1353:a6355c83578d legacy-trunk
* stdwinmodule.c (stdwin_done): interface to shutdown stdwin (now this is
no longer done by config.c).
* stdwinmodule.c (initstdwin), config.c (initall): get command line
arguments from sys.argv instead of special-casing stdwin in config.c
* import.c (get_module): fix core dump when foomodule.o does not define
initfoo().
* ChangeLog: documented changes by Sjoerd.
| author | Guido van Rossum <guido@python.org> |
|---|---|
| date | Mon, 18 Oct 1993 11:44:47 +0000 |
| parents | 6ee380349c84 |
| children | fccd415e2eb8 |
| rev | line source |
|---|---|
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1 /*********************************************************** |
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2 Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum, |
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3 Amsterdam, 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 |
| 86 | 25 /* Built-in functions */ |
| 26 | |
| 27 #include "allobjects.h" | |
| 28 | |
| 29 #include "node.h" | |
| 30 #include "graminit.h" | |
| 31 #include "sysmodule.h" | |
| 119 | 32 #include "bltinmodule.h" |
| 86 | 33 #include "import.h" |
| 34 #include "pythonrun.h" | |
| 35 #include "ceval.h" | |
| 36 #include "modsupport.h" | |
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37 #include "compile.h" |
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38 #include "eval.h" |
| 86 | 39 |
| 40 static object * | |
| 41 builtin_abs(self, v) | |
| 42 object *self; | |
| 43 object *v; | |
| 44 { | |
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45 number_methods *nm; |
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46 if (v == NULL || (nm = v->ob_type->tp_as_number) == NULL) { |
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47 err_setstr(TypeError, "abs() requires numeric argument"); |
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48 return NULL; |
| 86 | 49 } |
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50 return (*nm->nb_absolute)(v); |
| 86 | 51 } |
| 52 | |
| 53 static object * | |
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54 builtin_apply(self, args) |
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55 object *self; |
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56 object *args; |
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57 { |
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58 object *func, *arglist; |
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59 if (!getargs(args, "(OO)", &func, &arglist)) |
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60 return NULL; |
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61 return call_object(func, arglist); |
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62 } |
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63 |
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64 static object * |
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65 builtin_chr(self, args) |
| 86 | 66 object *self; |
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67 object *args; |
| 86 | 68 { |
| 69 long x; | |
| 70 char s[1]; | |
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71 if (!getargs(args, "l", &x)) |
| 86 | 72 return NULL; |
| 73 if (x < 0 || x >= 256) { | |
| 463 | 74 err_setstr(ValueError, "chr() arg not in range(256)"); |
| 86 | 75 return NULL; |
| 76 } | |
| 77 s[0] = x; | |
| 78 return newsizedstringobject(s, 1); | |
| 79 } | |
| 80 | |
| 81 static object * | |
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82 builtin_cmp(self, args) |
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83 object *self; |
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84 object *args; |
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85 { |
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86 object *a, *b; |
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87 if (!getargs(args, "(OO)", &a, &b)) |
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88 return NULL; |
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89 return newintobject((long)cmpobject(a, b)); |
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90 } |
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91 |
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92 static object * |
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93 builtin_coerce(self, args) |
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94 object *self; |
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95 object *args; |
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96 { |
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97 object *v, *w; |
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98 object *res; |
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99 |
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100 if (!getargs(args, "(OO)", &v, &w)) |
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101 return NULL; |
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102 if (coerce(&v, &w) < 0) |
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103 return NULL; |
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104 res = mkvalue("(OO)", v, w); |
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105 DECREF(v); |
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106 DECREF(w); |
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107 return res; |
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108 } |
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109 |
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110 static object * |
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111 builtin_compile(self, args) |
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112 object *self; |
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113 object *args; |
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114 { |
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115 char *str; |
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116 char *filename; |
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117 char *startstr; |
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118 int start; |
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119 if (!getargs(args, "(sss)", &str, &filename, &startstr)) |
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120 return NULL; |
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121 if (strcmp(startstr, "exec") == 0) |
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122 start = file_input; |
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123 else if (strcmp(startstr, "eval") == 0) |
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124 start = eval_input; |
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125 else { |
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126 err_setstr(ValueError, |
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127 "compile() mode must be 'exec' or 'eval'"); |
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128 return NULL; |
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129 } |
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130 return compile_string(str, filename, start); |
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131 } |
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132 |
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133 static object * |
| 86 | 134 builtin_dir(self, v) |
| 135 object *self; | |
| 136 object *v; | |
| 137 { | |
| 138 object *d; | |
| 139 if (v == NULL) { | |
| 140 d = getlocals(); | |
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141 INCREF(d); |
| 86 | 142 } |
| 143 else { | |
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144 d = getattr(v, "__dict__"); |
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145 if (d == NULL) { |
| 86 | 146 err_setstr(TypeError, |
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147 "dir() argument must have __dict__ attribute"); |
| 86 | 148 return NULL; |
| 149 } | |
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150 } |
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151 if (is_dictobject(d)) { |
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152 v = getdictkeys(d); |
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153 if (sortlist(v) != 0) { |
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154 DECREF(v); |
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155 v = NULL; |
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156 } |
| 86 | 157 } |
|
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158 else { |
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159 v = newlistobject(0); |
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160 } |
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161 DECREF(d); |
| 86 | 162 return v; |
| 163 } | |
| 164 | |
| 165 static object * | |
|
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166 builtin_divmod(self, args) |
| 86 | 167 object *self; |
|
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168 object *args; |
| 86 | 169 { |
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170 object *v, *w, *x; |
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171 if (!getargs(args, "(OO)", &v, &w)) |
| 86 | 172 return NULL; |
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173 if (v->ob_type->tp_as_number == NULL || |
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174 w->ob_type->tp_as_number == NULL) { |
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223
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175 err_setstr(TypeError, "divmod() requires numeric arguments"); |
| 86 | 176 return NULL; |
| 177 } | |
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178 if (coerce(&v, &w) != 0) |
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179 return NULL; |
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180 x = (*v->ob_type->tp_as_number->nb_divmod)(v, w); |
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181 DECREF(v); |
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182 DECREF(w); |
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183 return x; |
| 86 | 184 } |
| 185 | |
| 186 static object * | |
| 187 exec_eval(v, start) | |
| 188 object *v; | |
| 189 int start; | |
| 190 { | |
| 191 object *str = NULL, *globals = NULL, *locals = NULL; | |
|
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192 char *s; |
| 86 | 193 int n; |
| 194 if (v != NULL) { | |
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195 if (is_tupleobject(v) && |
| 86 | 196 ((n = gettuplesize(v)) == 2 || n == 3)) { |
| 197 str = gettupleitem(v, 0); | |
| 198 globals = gettupleitem(v, 1); | |
| 199 if (n == 3) | |
| 200 locals = gettupleitem(v, 2); | |
| 201 } | |
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202 else |
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203 str = v; |
| 86 | 204 } |
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205 if (str == NULL || (!is_stringobject(str) && !is_codeobject(str)) || |
| 86 | 206 globals != NULL && !is_dictobject(globals) || |
| 207 locals != NULL && !is_dictobject(locals)) { | |
| 208 err_setstr(TypeError, | |
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209 "exec/eval arguments must be (string|code)[,dict[,dict]]"); |
| 86 | 210 return NULL; |
| 211 } | |
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212 if (is_codeobject(str)) |
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213 return eval_code((codeobject *) str, globals, locals, |
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214 (object *)NULL, (object *)NULL); |
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215 s = getstringvalue(str); |
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216 if (strlen(s) != getstringsize(str)) { |
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217 err_setstr(ValueError, "embedded '\\0' in string arg"); |
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218 return NULL; |
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219 } |
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220 if (start == eval_input) { |
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221 while (*s == ' ' || *s == '\t') |
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222 s++; |
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223 } |
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224 return run_string(s, start, globals, locals); |
| 86 | 225 } |
| 226 | |
| 227 static object * | |
| 228 builtin_eval(self, v) | |
| 229 object *self; | |
| 230 object *v; | |
| 231 { | |
| 232 return exec_eval(v, eval_input); | |
| 233 } | |
| 234 | |
| 235 static object * | |
| 236 builtin_exec(self, v) | |
| 237 object *self; | |
| 238 object *v; | |
| 239 { | |
| 240 return exec_eval(v, file_input); | |
| 241 } | |
| 242 | |
| 243 static object * | |
| 673 | 244 builtin_execfile(self, v) |
| 245 object *self; | |
| 246 object *v; | |
| 247 { | |
| 248 object *str = NULL, *globals = NULL, *locals = NULL, *w; | |
| 249 FILE* fp; | |
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250 char *s; |
| 673 | 251 int n; |
| 252 if (v != NULL) { | |
| 253 if (is_stringobject(v)) | |
| 254 str = v; | |
| 255 else if (is_tupleobject(v) && | |
| 256 ((n = gettuplesize(v)) == 2 || n == 3)) { | |
| 257 str = gettupleitem(v, 0); | |
| 258 globals = gettupleitem(v, 1); | |
| 259 if (n == 3) | |
| 260 locals = gettupleitem(v, 2); | |
| 261 } | |
| 262 } | |
| 263 if (str == NULL || !is_stringobject(str) || | |
| 264 globals != NULL && !is_dictobject(globals) || | |
| 265 locals != NULL && !is_dictobject(locals)) { | |
| 266 err_setstr(TypeError, | |
| 267 "execfile arguments must be filename[,dict[,dict]]"); | |
| 268 return NULL; | |
| 269 } | |
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270 s = getstringvalue(str); |
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271 if (strlen(s) != getstringsize(str)) { |
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272 err_setstr(ValueError, "embedded '\\0' in string arg"); |
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273 return NULL; |
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274 } |
| 926 | 275 BGN_SAVE |
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276 fp = fopen(s, "r"); |
| 926 | 277 END_SAVE |
| 673 | 278 if (fp == NULL) { |
| 279 err_setstr(IOError, "execfile cannot open the file argument"); | |
| 280 return NULL; | |
| 281 } | |
| 282 w = run_file(fp, getstringvalue(str), file_input, globals, locals); | |
| 926 | 283 BGN_SAVE |
| 673 | 284 fclose(fp); |
| 926 | 285 END_SAVE |
| 673 | 286 return w; |
| 287 } | |
| 288 | |
| 289 static object * | |
| 86 | 290 builtin_float(self, v) |
| 291 object *self; | |
| 292 object *v; | |
| 293 { | |
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294 number_methods *nb; |
|
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295 |
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296 if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL || |
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297 nb->nb_float == NULL) { |
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298 err_setstr(TypeError, |
|
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299 "float() argument can't be converted to float"); |
|
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300 return NULL; |
|
223
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301 } |
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302 return (*nb->nb_float)(v); |
| 86 | 303 } |
| 304 | |
| 305 static object * | |
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306 builtin_getattr(self, args) |
|
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307 object *self; |
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308 object *args; |
|
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309 { |
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310 object *v; |
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311 object *name; |
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312 if (!getargs(args, "(OS)", &v, &name)) |
|
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313 return NULL; |
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314 return getattro(v, name); |
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315 } |
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316 |
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317 static object * |
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318 builtin_hasattr(self, args) |
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319 object *self; |
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320 object *args; |
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321 { |
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322 object *v; |
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323 object *name; |
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324 if (!getargs(args, "(OS)", &v, &name)) |
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325 return NULL; |
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326 v = getattro(v, name); |
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327 if (v == NULL) { |
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328 err_clear(); |
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329 return newintobject(0L); |
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330 } |
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331 DECREF(v); |
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332 return newintobject(1L); |
|
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333 } |
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334 |
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335 static object * |
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336 builtin_id(self, args) |
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337 object *self; |
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338 object *args; |
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339 { |
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340 object *v; |
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341 if (!getargs(args, "O", &v)) |
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342 return NULL; |
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343 return newintobject((long)v); |
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344 } |
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345 |
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346 static object * |
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347 builtin_setattr(self, args) |
|
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348 object *self; |
|
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349 object *args; |
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350 { |
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351 object *v; |
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352 object *name; |
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353 object *value; |
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354 if (!getargs(args, "(OSO)", &v, &name, &value)) |
|
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355 return NULL; |
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356 if (setattro(v, name, value) != 0) |
|
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357 return NULL; |
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358 INCREF(None); |
|
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359 return None; |
|
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360 } |
|
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361 |
|
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362 static object * |
|
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363 builtin_hash(self, args) |
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364 object *self; |
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365 object *args; |
|
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366 { |
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367 object *v; |
|
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368 long x; |
|
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369 if (!getargs(args, "O", &v)) |
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370 return NULL; |
|
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|
371 x = hashobject(v); |
|
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|
372 if (x == -1) |
|
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373 return NULL; |
|
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374 return newintobject(x); |
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375 } |
|
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376 |
|
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|
377 static object * |
|
404
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Made dir() more robust.
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|
378 builtin_hex(self, v) |
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|
379 object *self; |
|
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380 object *v; |
|
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381 { |
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382 number_methods *nb; |
|
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383 |
|
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Made builtins int(), long(), float(), oct() and hex() more generic.
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384 if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL || |
|
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385 nb->nb_hex == NULL) { |
|
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386 err_setstr(TypeError, |
|
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387 "hex() argument can't be converted to hex"); |
|
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388 return NULL; |
|
404
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|
389 } |
|
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390 return (*nb->nb_hex)(v); |
|
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391 } |
|
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|
392 |
|
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393 static object *builtin_raw_input PROTO((object *, object *)); |
|
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394 |
|
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395 static object * |
| 86 | 396 builtin_input(self, v) |
| 397 object *self; | |
| 398 object *v; | |
| 399 { | |
|
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400 object *line = builtin_raw_input(self, v); |
|
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401 if (line == NULL) |
|
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402 return line; |
|
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403 v = exec_eval(line, eval_input); |
|
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404 DECREF(line); |
|
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405 return v; |
| 86 | 406 } |
| 407 | |
| 408 static object * | |
| 409 builtin_int(self, v) | |
| 410 object *self; | |
| 411 object *v; | |
| 412 { | |
|
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|
413 number_methods *nb; |
|
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414 |
|
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Made builtins int(), long(), float(), oct() and hex() more generic.
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415 if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL || |
|
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Made builtins int(), long(), float(), oct() and hex() more generic.
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|
416 nb->nb_int == NULL) { |
|
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Made builtins int(), long(), float(), oct() and hex() more generic.
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417 err_setstr(TypeError, |
|
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|
418 "int() argument can't be converted to int"); |
|
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Made builtins int(), long(), float(), oct() and hex() more generic.
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419 return NULL; |
| 86 | 420 } |
|
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|
421 return (*nb->nb_int)(v); |
| 86 | 422 } |
| 423 | |
| 424 static object * | |
| 425 builtin_len(self, v) | |
| 426 object *self; | |
| 427 object *v; | |
| 428 { | |
| 429 long len; | |
| 430 typeobject *tp; | |
| 431 if (v == NULL) { | |
| 432 err_setstr(TypeError, "len() without argument"); | |
| 433 return NULL; | |
| 434 } | |
| 435 tp = v->ob_type; | |
| 436 if (tp->tp_as_sequence != NULL) { | |
| 437 len = (*tp->tp_as_sequence->sq_length)(v); | |
| 438 } | |
| 439 else if (tp->tp_as_mapping != NULL) { | |
| 440 len = (*tp->tp_as_mapping->mp_length)(v); | |
| 441 } | |
| 442 else { | |
| 443 err_setstr(TypeError, "len() of unsized object"); | |
| 444 return NULL; | |
| 445 } | |
|
944
222f04f55083
Changes so that user-defined classes can implement operations invoked
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diff
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|
446 if (len < 0) |
|
222f04f55083
Changes so that user-defined classes can implement operations invoked
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|
447 return NULL; |
|
222f04f55083
Changes so that user-defined classes can implement operations invoked
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|
448 else |
|
222f04f55083
Changes so that user-defined classes can implement operations invoked
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|
449 return newintobject(len); |
| 86 | 450 } |
| 451 | |
| 452 static object * | |
|
223
6693c5d87f3a
Added long() and support for longs in int() and float();
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diff
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|
453 builtin_long(self, v) |
|
6693c5d87f3a
Added long() and support for longs in int() and float();
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|
454 object *self; |
|
6693c5d87f3a
Added long() and support for longs in int() and float();
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|
455 object *v; |
|
6693c5d87f3a
Added long() and support for longs in int() and float();
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|
456 { |
|
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|
457 number_methods *nb; |
|
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Made builtins int(), long(), float(), oct() and hex() more generic.
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|
458 |
|
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Made builtins int(), long(), float(), oct() and hex() more generic.
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|
459 if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL || |
|
2ed511171809
Made builtins int(), long(), float(), oct() and hex() more generic.
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|
460 nb->nb_long == NULL) { |
|
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Made builtins int(), long(), float(), oct() and hex() more generic.
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|
461 err_setstr(TypeError, |
|
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Made builtins int(), long(), float(), oct() and hex() more generic.
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|
462 "long() argument can't be converted to long"); |
|
2ed511171809
Made builtins int(), long(), float(), oct() and hex() more generic.
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|
463 return NULL; |
|
223
6693c5d87f3a
Added long() and support for longs in int() and float();
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|
464 } |
|
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Made builtins int(), long(), float(), oct() and hex() more generic.
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|
465 return (*nb->nb_long)(v); |
|
223
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Added long() and support for longs in int() and float();
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|
466 } |
|
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Added long() and support for longs in int() and float();
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|
467 |
|
6693c5d87f3a
Added long() and support for longs in int() and float();
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|
468 static object * |
| 86 | 469 min_max(v, sign) |
| 470 object *v; | |
| 471 int sign; | |
| 472 { | |
| 473 int i, n, cmp; | |
| 474 object *w, *x; | |
| 475 sequence_methods *sq; | |
| 476 if (v == NULL) { | |
| 477 err_setstr(TypeError, "min() or max() without argument"); | |
| 478 return NULL; | |
| 479 } | |
| 480 sq = v->ob_type->tp_as_sequence; | |
| 481 if (sq == NULL) { | |
| 482 err_setstr(TypeError, "min() or max() of non-sequence"); | |
| 483 return NULL; | |
| 484 } | |
| 485 n = (*sq->sq_length)(v); | |
|
1096
ce718457b172
* classobject.c: in instance_lenth, test result of call_object
Guido van Rossum <guido@python.org>
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diff
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|
486 if (n < 0) |
|
ce718457b172
* classobject.c: in instance_lenth, test result of call_object
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|
487 return NULL; |
| 86 | 488 if (n == 0) { |
| 463 | 489 err_setstr(ValueError, "min() or max() of empty sequence"); |
| 86 | 490 return NULL; |
| 491 } | |
| 492 w = (*sq->sq_item)(v, 0); /* Implies INCREF */ | |
| 493 for (i = 1; i < n; i++) { | |
| 494 x = (*sq->sq_item)(v, i); /* Implies INCREF */ | |
| 495 cmp = cmpobject(x, w); | |
| 496 if (cmp * sign > 0) { | |
| 497 DECREF(w); | |
| 498 w = x; | |
| 499 } | |
| 500 else | |
| 501 DECREF(x); | |
| 502 } | |
| 503 return w; | |
| 504 } | |
| 505 | |
| 506 static object * | |
| 507 builtin_min(self, v) | |
| 508 object *self; | |
| 509 object *v; | |
| 510 { | |
| 511 return min_max(v, -1); | |
| 512 } | |
| 513 | |
| 514 static object * | |
| 515 builtin_max(self, v) | |
| 516 object *self; | |
| 517 object *v; | |
| 518 { | |
| 519 return min_max(v, 1); | |
| 520 } | |
| 521 | |
| 522 static object * | |
|
404
9cd38d1ac391
Made dir() more robust.
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diff
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|
523 builtin_oct(self, v) |
|
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Made dir() more robust.
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diff
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|
524 object *self; |
|
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Made dir() more robust.
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diff
changeset
|
525 object *v; |
|
9cd38d1ac391
Made dir() more robust.
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diff
changeset
|
526 { |
|
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Made builtins int(), long(), float(), oct() and hex() more generic.
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|
527 number_methods *nb; |
|
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Made builtins int(), long(), float(), oct() and hex() more generic.
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|
528 |
|
2ed511171809
Made builtins int(), long(), float(), oct() and hex() more generic.
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|
529 if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL || |
|
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Made builtins int(), long(), float(), oct() and hex() more generic.
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|
530 nb->nb_oct == NULL) { |
|
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Made builtins int(), long(), float(), oct() and hex() more generic.
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|
531 err_setstr(TypeError, |
|
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Made builtins int(), long(), float(), oct() and hex() more generic.
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|
532 "oct() argument can't be converted to oct"); |
|
2ed511171809
Made builtins int(), long(), float(), oct() and hex() more generic.
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|
533 return NULL; |
|
404
9cd38d1ac391
Made dir() more robust.
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diff
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|
534 } |
|
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Made builtins int(), long(), float(), oct() and hex() more generic.
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|
535 return (*nb->nb_oct)(v); |
|
404
9cd38d1ac391
Made dir() more robust.
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diff
changeset
|
536 } |
|
9cd38d1ac391
Made dir() more robust.
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diff
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|
537 |
|
9cd38d1ac391
Made dir() more robust.
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diff
changeset
|
538 static object * |
|
959
68b302ad84a1
use getargs() in more cases;
Guido van Rossum <guido@python.org>
parents:
955
diff
changeset
|
539 builtin_open(self, args) |
| 86 | 540 object *self; |
|
959
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|
541 object *args; |
| 86 | 542 { |
|
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543 char *name, *mode; |
|
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use getargs() in more cases;
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544 if (!getargs(args, "(ss)", &name, &mode)) |
| 86 | 545 return NULL; |
|
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|
546 return newfileobject(name, mode); |
| 86 | 547 } |
| 548 | |
| 549 static object * | |
|
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550 builtin_ord(self, args) |
| 86 | 551 object *self; |
|
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|
552 object *args; |
| 86 | 553 { |
|
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|
554 char *s; |
|
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|
555 int len; |
|
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556 if (!getargs(args, "s#", &s, &len)) |
| 86 | 557 return NULL; |
|
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558 if (len != 1) { |
| 463 | 559 err_setstr(ValueError, "ord() arg must have length 1"); |
| 86 | 560 return NULL; |
| 561 } | |
|
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562 return newintobject((long)(s[0] & 0xff)); |
| 86 | 563 } |
| 564 | |
| 565 static object * | |
|
301
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|
566 builtin_pow(self, args) |
|
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|
567 object *self; |
|
301
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568 object *args; |
|
223
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569 { |
|
301
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570 object *v, *w, *x; |
|
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|
571 if (!getargs(args, "(OO)", &v, &w)) |
|
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572 return NULL; |
|
301
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573 if (v->ob_type->tp_as_number == NULL || |
|
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|
574 w->ob_type->tp_as_number == NULL) { |
|
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575 err_setstr(TypeError, "pow() requires numeric arguments"); |
|
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576 return NULL; |
|
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|
577 } |
|
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578 if (coerce(&v, &w) != 0) |
|
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579 return NULL; |
|
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|
580 x = (*v->ob_type->tp_as_number->nb_power)(v, w); |
|
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|
581 DECREF(v); |
|
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|
582 DECREF(w); |
|
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|
583 return x; |
|
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584 } |
|
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585 |
|
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Added long() and support for longs in int() and float();
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|
586 static object * |
| 86 | 587 builtin_range(self, v) |
| 588 object *self; | |
| 589 object *v; | |
| 590 { | |
| 591 static char *errmsg = "range() requires 1-3 int arguments"; | |
| 592 int i, n; | |
| 593 long ilow, ihigh, istep; | |
| 594 if (v != NULL && is_intobject(v)) { | |
| 595 ilow = 0; ihigh = getintvalue(v); istep = 1; | |
| 596 } | |
| 597 else if (v == NULL || !is_tupleobject(v)) { | |
| 598 err_setstr(TypeError, errmsg); | |
| 599 return NULL; | |
| 600 } | |
| 601 else { | |
| 602 n = gettuplesize(v); | |
| 603 if (n < 1 || n > 3) { | |
| 604 err_setstr(TypeError, errmsg); | |
| 605 return NULL; | |
| 606 } | |
| 607 for (i = 0; i < n; i++) { | |
| 608 if (!is_intobject(gettupleitem(v, i))) { | |
| 609 err_setstr(TypeError, errmsg); | |
| 610 return NULL; | |
| 611 } | |
| 612 } | |
| 613 if (n == 3) { | |
| 614 istep = getintvalue(gettupleitem(v, 2)); | |
| 615 --n; | |
| 616 } | |
| 617 else | |
| 618 istep = 1; | |
| 619 ihigh = getintvalue(gettupleitem(v, --n)); | |
| 620 if (n > 0) | |
| 621 ilow = getintvalue(gettupleitem(v, 0)); | |
| 622 else | |
| 623 ilow = 0; | |
| 624 } | |
| 625 if (istep == 0) { | |
| 463 | 626 err_setstr(ValueError, "zero step for range()"); |
| 86 | 627 return NULL; |
| 628 } | |
| 629 /* XXX ought to check overflow of subtraction */ | |
| 630 if (istep > 0) | |
| 631 n = (ihigh - ilow + istep - 1) / istep; | |
| 632 else | |
| 633 n = (ihigh - ilow + istep + 1) / istep; | |
| 634 if (n < 0) | |
| 635 n = 0; | |
| 636 v = newlistobject(n); | |
| 637 if (v == NULL) | |
| 638 return NULL; | |
| 639 for (i = 0; i < n; i++) { | |
| 640 object *w = newintobject(ilow); | |
| 641 if (w == NULL) { | |
| 642 DECREF(v); | |
| 643 return NULL; | |
| 644 } | |
| 645 setlistitem(v, i, w); | |
| 646 ilow += istep; | |
| 647 } | |
| 648 return v; | |
| 649 } | |
| 650 | |
| 651 static object * | |
| 652 builtin_raw_input(self, v) | |
| 653 object *self; | |
| 654 object *v; | |
| 655 { | |
|
1073
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Modified most (but not yet all) I/O to always go through sys.stdout or
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|
656 object *f = sysget("stdout"); |
|
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Modified most (but not yet all) I/O to always go through sys.stdout or
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diff
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|
657 if (f == NULL) { |
|
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Modified most (but not yet all) I/O to always go through sys.stdout or
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diff
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|
658 err_setstr(RuntimeError, "lost sys.stdout"); |
|
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Modified most (but not yet all) I/O to always go through sys.stdout or
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|
659 return NULL; |
|
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Modified most (but not yet all) I/O to always go through sys.stdout or
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|
660 } |
| 86 | 661 flushline(); |
|
284
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printobject now returns an error code
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|
662 if (v != NULL) { |
|
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|
663 if (writeobject(v, f, PRINT_RAW) != 0) |
|
284
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|
664 return NULL; |
|
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printobject now returns an error code
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|
665 } |
|
182
59ffb6d4b34c
Use fileobject's filegetline() to implement unlimited raw_input().
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|
666 return filegetline(sysget("stdin"), -1); |
| 86 | 667 } |
| 668 | |
| 669 static object * | |
| 670 builtin_reload(self, v) | |
| 671 object *self; | |
| 672 object *v; | |
| 673 { | |
| 674 return reload_module(v); | |
| 675 } | |
| 676 | |
| 677 static object * | |
|
1094
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|
678 builtin_repr(self, v) |
|
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|
679 object *self; |
|
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|
680 object *v; |
|
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|
681 { |
|
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|
682 if (v == NULL) { |
|
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|
683 err_badarg(); |
|
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|
684 return NULL; |
|
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|
685 } |
|
d2af6bdcb6d0
* config.c: Added audioop to lists.
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|
686 return reprobject(v); |
|
d2af6bdcb6d0
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|
687 } |
|
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* config.c: Added audioop to lists.
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|
688 |
|
d2af6bdcb6d0
* config.c: Added audioop to lists.
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changeset
|
689 static object * |
|
1215
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bltinmodule.c: added round(x, [n]); coerce() of two class instances
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diff
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|
690 builtin_round(self, args) |
|
9d6cf529bb71
bltinmodule.c: added round(x, [n]); coerce() of two class instances
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|
691 object *self; |
|
9d6cf529bb71
bltinmodule.c: added round(x, [n]); coerce() of two class instances
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diff
changeset
|
692 object *args; |
|
9d6cf529bb71
bltinmodule.c: added round(x, [n]); coerce() of two class instances
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|
693 { |
|
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|
694 extern double floor PROTO((double)); |
|
9d6cf529bb71
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|
695 extern double ceil PROTO((double)); |
|
9d6cf529bb71
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|
696 double x; |
|
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|
697 double f; |
|
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|
698 int ndigits = 0; |
|
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|
699 int sign = 1; |
|
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|
700 int i; |
|
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|
701 if (!getargs(args, "d", &x)) { |
|
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|
702 err_clear(); |
|
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|
703 if (!getargs(args, "(di)", &x, &ndigits)) |
|
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|
704 return NULL; |
|
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|
705 } |
|
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|
706 f = 1.0; |
|
9d6cf529bb71
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|
707 for (i = ndigits; --i >= 0; ) |
|
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|
708 f = f*10.0; |
|
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|
709 for (i = ndigits; ++i <= 0; ) |
|
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|
710 f = f*0.1; |
|
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|
711 if (x >= 0.0) |
|
9d6cf529bb71
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|
712 return newfloatobject(floor(x*f + 0.5) / f); |
|
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|
713 else |
|
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|
714 return newfloatobject(ceil(x*f - 0.5) / f); |
|
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|
715 } |
|
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|
716 |
|
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|
717 static object * |
|
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718 builtin_str(self, v) |
|
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719 object *self; |
|
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720 object *v; |
|
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721 { |
|
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722 if (v == NULL) { |
|
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|
723 err_badarg(); |
|
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|
724 return NULL; |
|
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|
725 } |
|
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|
726 if (is_stringobject(v)) { |
|
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* config.c: Added audioop to lists.
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|
727 INCREF(v); |
|
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|
728 return v; |
|
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* config.c: Added audioop to lists.
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|
729 } |
|
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* config.c: Added audioop to lists.
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|
730 else |
|
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|
731 return reprobject(v); |
|
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732 } |
|
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|
733 |
|
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|
734 static object * |
| 86 | 735 builtin_type(self, v) |
| 736 object *self; | |
| 737 object *v; | |
| 738 { | |
| 739 if (v == NULL) { | |
|
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740 err_setstr(TypeError, "type() requires an argument"); |
| 86 | 741 return NULL; |
| 742 } | |
| 743 v = (object *)v->ob_type; | |
| 744 INCREF(v); | |
| 745 return v; | |
| 746 } | |
| 747 | |
| 748 static struct methodlist builtin_methods[] = { | |
|
480
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749 {"abs", builtin_abs}, |
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750 {"apply", builtin_apply}, |
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751 {"chr", builtin_chr}, |
|
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752 {"cmp", builtin_cmp}, |
|
944
222f04f55083
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753 {"coerce", builtin_coerce}, |
|
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754 {"compile", builtin_compile}, |
|
480
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755 {"dir", builtin_dir}, |
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756 {"divmod", builtin_divmod}, |
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757 {"eval", builtin_eval}, |
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758 {"exec", builtin_exec}, |
| 673 | 759 {"execfile", builtin_execfile}, |
|
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760 {"float", builtin_float}, |
|
644
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761 {"getattr", builtin_getattr}, |
|
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762 {"hasattr", builtin_hasattr}, |
|
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763 {"hash", builtin_hash}, |
|
480
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764 {"hex", builtin_hex}, |
|
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765 {"id", builtin_id}, |
|
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766 {"input", builtin_input}, |
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767 {"int", builtin_int}, |
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768 {"len", builtin_len}, |
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769 {"long", builtin_long}, |
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770 {"max", builtin_max}, |
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771 {"min", builtin_min}, |
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772 {"oct", builtin_oct}, |
|
662
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Get rid of comment about open().
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|
773 {"open", builtin_open}, |
|
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774 {"ord", builtin_ord}, |
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775 {"pow", builtin_pow}, |
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776 {"range", builtin_range}, |
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777 {"raw_input", builtin_raw_input}, |
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778 {"reload", builtin_reload}, |
|
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779 {"repr", builtin_repr}, |
|
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|
780 {"round", builtin_round}, |
|
644
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781 {"setattr", builtin_setattr}, |
|
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782 {"str", builtin_str}, |
|
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783 {"type", builtin_type}, |
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|
784 {NULL, NULL}, |
| 86 | 785 }; |
| 786 | |
| 787 static object *builtin_dict; | |
| 788 | |
| 789 object * | |
| 790 getbuiltin(name) | |
|
332
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791 object *name; |
| 86 | 792 { |
|
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793 return dict2lookup(builtin_dict, name); |
| 86 | 794 } |
| 795 | |
| 796 /* Predefined exceptions */ | |
| 797 | |
|
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798 object *AccessError; |
| 495 | 799 object *AttributeError; |
|
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800 object *ConflictError; |
| 86 | 801 object *EOFError; |
| 495 | 802 object *IOError; |
|
505
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803 object *ImportError; |
| 495 | 804 object *IndexError; |
| 805 object *KeyError; | |
| 806 object *KeyboardInterrupt; | |
| 86 | 807 object *MemoryError; |
| 808 object *NameError; | |
| 495 | 809 object *OverflowError; |
| 810 object *RuntimeError; | |
| 811 object *SyntaxError; | |
| 86 | 812 object *SystemError; |
| 545 | 813 object *SystemExit; |
| 495 | 814 object *TypeError; |
| 815 object *ValueError; | |
| 463 | 816 object *ZeroDivisionError; |
| 817 | |
| 86 | 818 static object * |
| 495 | 819 newstdexception(name) |
| 820 char *name; | |
| 86 | 821 { |
| 495 | 822 object *v = newstringobject(name); |
| 86 | 823 if (v == NULL || dictinsert(builtin_dict, name, v) != 0) |
| 824 fatal("no mem for new standard exception"); | |
| 825 return v; | |
| 826 } | |
| 827 | |
| 828 static void | |
| 829 initerrors() | |
| 830 { | |
|
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831 AccessError = newstdexception("AccessError"); |
|
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832 AttributeError = newstdexception("AttributeError"); |
|
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833 ConflictError = newstdexception("ConflictError"); |
| 495 | 834 EOFError = newstdexception("EOFError"); |
|
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835 IOError = newstdexception("IOError"); |
|
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836 ImportError = newstdexception("ImportError"); |
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837 IndexError = newstdexception("IndexError"); |
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838 KeyError = newstdexception("KeyError"); |
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|
839 KeyboardInterrupt = newstdexception("KeyboardInterrupt"); |
| 495 | 840 MemoryError = newstdexception("MemoryError"); |
| 841 NameError = newstdexception("NameError"); | |
|
505
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|
842 OverflowError = newstdexception("OverflowError"); |
|
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843 RuntimeError = newstdexception("RuntimeError"); |
|
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|
844 SyntaxError = newstdexception("SyntaxError"); |
| 495 | 845 SystemError = newstdexception("SystemError"); |
| 545 | 846 SystemExit = newstdexception("SystemExit"); |
|
505
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|
847 TypeError = newstdexception("TypeError"); |
|
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|
848 ValueError = newstdexception("ValueError"); |
| 495 | 849 ZeroDivisionError = newstdexception("ZeroDivisionError"); |
| 86 | 850 } |
| 851 | |
| 852 void | |
| 853 initbuiltin() | |
| 854 { | |
| 855 object *m; | |
| 856 m = initmodule("builtin", builtin_methods); | |
| 857 builtin_dict = getmoduledict(m); | |
| 858 INCREF(builtin_dict); | |
| 859 initerrors(); | |
| 860 (void) dictinsert(builtin_dict, "None", None); | |
| 861 } | |
|
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862 |
|
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863 /* Coerce two numeric types to the "larger" one. |
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864 Increment the reference count on each argument. |
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865 Return -1 and raise an exception if no coercion is possible |
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866 (and then no reference count is incremented). |
|
955
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* classobject.[ch], {float,long,int}object.c, bltinmodule.c:
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|
867 */ |
|
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868 |
|
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|
869 int |
|
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870 coerce(pv, pw) |
|
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|
871 object **pv, **pw; |
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872 { |
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873 register object *v = *pv; |
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874 register object *w = *pw; |
|
955
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|
875 int res; |
|
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|
876 |
|
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877 if (v->ob_type == w->ob_type && !is_instanceobject(v)) { |
|
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878 INCREF(v); |
|
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879 INCREF(w); |
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880 return 0; |
|
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|
881 } |
|
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882 if (v->ob_type->tp_as_number && v->ob_type->tp_as_number->nb_coerce) { |
|
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883 res = (*v->ob_type->tp_as_number->nb_coerce)(pv, pw); |
|
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884 if (res <= 0) |
|
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885 return res; |
|
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886 } |
|
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887 if (w->ob_type->tp_as_number && w->ob_type->tp_as_number->nb_coerce) { |
|
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888 res = (*w->ob_type->tp_as_number->nb_coerce)(pw, pv); |
|
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889 if (res <= 0) |
|
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890 return res; |
|
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891 } |
|
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892 err_setstr(TypeError, "number coercion failed"); |
|
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893 return -1; |
|
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894 } |