Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 1 | /*********************************************************** |
Guido van Rossum | e537240 | 1993-03-16 12:15:04 +0000 | [diff] [blame] | 2 | Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum, |
| 3 | Amsterdam, The Netherlands. |
Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 4 | |
| 5 | All Rights Reserved |
| 6 | |
| 7 | Permission to use, copy, modify, and distribute this software and its |
| 8 | documentation for any purpose and without fee is hereby granted, |
| 9 | provided that the above copyright notice appear in all copies and that |
| 10 | both that copyright notice and this permission notice appear in |
| 11 | supporting documentation, and that the names of Stichting Mathematisch |
| 12 | Centrum or CWI not be used in advertising or publicity pertaining to |
| 13 | distribution of the software without specific, written prior permission. |
| 14 | |
| 15 | STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO |
| 16 | THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| 17 | FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE |
| 18 | FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 19 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 20 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
| 21 | OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 22 | |
| 23 | ******************************************************************/ |
| 24 | |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 25 | /* Built-in functions */ |
| 26 | |
| 27 | #include "allobjects.h" |
| 28 | |
| 29 | #include "node.h" |
| 30 | #include "graminit.h" |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 31 | #include "sysmodule.h" |
Guido van Rossum | 86cd6e6 | 1991-01-21 15:12:35 +0000 | [diff] [blame] | 32 | #include "bltinmodule.h" |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 33 | #include "import.h" |
| 34 | #include "pythonrun.h" |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 35 | #include "ceval.h" |
| 36 | #include "modsupport.h" |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 37 | #include "compile.h" |
| 38 | #include "eval.h" |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 39 | |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame^] | 40 | /* Forward */ |
| 41 | static object *filterstring PROTO((object *, object *)); |
| 42 | static object *filtertuple PROTO((object *, object *)); |
| 43 | static object *exec_eval PROTO((object *v, int start)); |
| 44 | |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 45 | static object * |
| 46 | builtin_abs(self, v) |
| 47 | object *self; |
| 48 | object *v; |
| 49 | { |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 50 | number_methods *nm; |
| 51 | if (v == NULL || (nm = v->ob_type->tp_as_number) == NULL) { |
| 52 | err_setstr(TypeError, "abs() requires numeric argument"); |
| 53 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 54 | } |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 55 | return (*nm->nb_absolute)(v); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 56 | } |
| 57 | |
| 58 | static object * |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 59 | builtin_apply(self, args) |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 60 | object *self; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 61 | object *args; |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 62 | { |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 63 | object *func, *arglist; |
| 64 | if (!getargs(args, "(OO)", &func, &arglist)) |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 65 | return NULL; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 66 | return call_object(func, arglist); |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | static object * |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame^] | 70 | builtin_bagof(self, args) |
| 71 | object *self; |
| 72 | object *args; |
| 73 | { |
| 74 | object *func, *seq, *arg, *result; |
| 75 | sequence_methods *sqf; |
| 76 | int len, newfunc = 0; |
| 77 | register int i,j; |
| 78 | static char bagof_err[] = "bagof() requires 1 or 2 args"; |
| 79 | |
| 80 | if (args == NULL) { |
| 81 | err_setstr(TypeError, bagof_err); |
| 82 | return NULL; |
| 83 | } |
| 84 | |
| 85 | if (is_tupleobject(args)) { |
| 86 | if (gettuplesize(args) != 2) { |
| 87 | err_setstr(TypeError, bagof_err); |
| 88 | return NULL; |
| 89 | } |
| 90 | |
| 91 | func = gettupleitem(args, 0); |
| 92 | seq = gettupleitem(args, 1); |
| 93 | |
| 94 | if (is_stringobject(func)) { |
| 95 | if ((func = exec_eval(func, lambda_input)) == NULL) |
| 96 | return NULL; |
| 97 | newfunc = 1; |
| 98 | } |
| 99 | } |
| 100 | else { |
| 101 | func = None; |
| 102 | seq = args; |
| 103 | } |
| 104 | |
| 105 | /* check for special cases; strings and tuples are returned as same */ |
| 106 | if (is_stringobject(seq)) { |
| 107 | object *r = filterstring(func, seq); |
| 108 | if (newfunc) |
| 109 | DECREF(func); |
| 110 | return r; |
| 111 | } |
| 112 | |
| 113 | else if (is_tupleobject(seq)) { |
| 114 | object *r = filtertuple(func, seq); |
| 115 | if (newfunc) |
| 116 | DECREF(func); |
| 117 | return r; |
| 118 | } |
| 119 | |
| 120 | if (! (sqf = seq->ob_type->tp_as_sequence)) { |
| 121 | err_setstr(TypeError, |
| 122 | "argument to bagof() must be a sequence type"); |
| 123 | goto Fail_2; |
| 124 | } |
| 125 | |
| 126 | if ((len = (*sqf->sq_length)(seq)) < 0) |
| 127 | goto Fail_2; |
| 128 | |
| 129 | if (is_listobject(seq) && seq->ob_refcnt == 1) { |
| 130 | INCREF(seq); |
| 131 | result = seq; |
| 132 | } |
| 133 | else |
| 134 | if ((result = newlistobject(len)) == NULL) |
| 135 | goto Fail_2; |
| 136 | |
| 137 | if ((arg = newtupleobject(1)) == NULL) |
| 138 | goto Fail_1; |
| 139 | |
| 140 | for (i = j = 0; i < len; ++i) { |
| 141 | object *ele, *value; |
| 142 | |
| 143 | if (arg->ob_refcnt > 1) { |
| 144 | DECREF(arg); |
| 145 | if ((arg = newtupleobject(1)) == NULL) |
| 146 | goto Fail_1; |
| 147 | } |
| 148 | |
| 149 | if ((ele = (*sqf->sq_item)(seq, i)) == NULL) |
| 150 | goto Fail_0; |
| 151 | |
| 152 | if (func == None) |
| 153 | value = ele; |
| 154 | else { |
| 155 | if (settupleitem(arg, 0, ele) < 0) |
| 156 | goto Fail_0; |
| 157 | |
| 158 | if ((value = call_object(func, arg)) == NULL) |
| 159 | goto Fail_0; |
| 160 | } |
| 161 | |
| 162 | if (testbool(value)) { |
| 163 | INCREF(ele); |
| 164 | if (setlistitem(result, j++, ele) < 0) |
| 165 | goto Fail_0; |
| 166 | } |
| 167 | |
| 168 | DECREF(value); |
| 169 | } |
| 170 | |
| 171 | /* list_ass_slice() expects the rest of the list to be non-null */ |
| 172 | for (i = j; i < len; ++i) { |
| 173 | INCREF(None); |
| 174 | if (setlistitem(result, i, None) < 0) |
| 175 | goto Fail_0; |
| 176 | } |
| 177 | |
| 178 | DECREF(arg); |
| 179 | if (newfunc) |
| 180 | DECREF(func); |
| 181 | |
| 182 | (*result->ob_type->tp_as_sequence->sq_ass_slice)(result, j, len, NULL); |
| 183 | return result; |
| 184 | |
| 185 | Fail_0: |
| 186 | DECREF(arg); |
| 187 | Fail_1: |
| 188 | DECREF(result); |
| 189 | Fail_2: |
| 190 | if (newfunc) |
| 191 | DECREF(func); |
| 192 | return NULL; |
| 193 | } |
| 194 | |
| 195 | static object * |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 196 | builtin_chr(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 197 | object *self; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 198 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 199 | { |
| 200 | long x; |
| 201 | char s[1]; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 202 | if (!getargs(args, "l", &x)) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 203 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 204 | if (x < 0 || x >= 256) { |
Guido van Rossum | 50afb7a | 1991-12-10 13:52:31 +0000 | [diff] [blame] | 205 | err_setstr(ValueError, "chr() arg not in range(256)"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 206 | return NULL; |
| 207 | } |
| 208 | s[0] = x; |
| 209 | return newsizedstringobject(s, 1); |
| 210 | } |
| 211 | |
| 212 | static object * |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 213 | builtin_cmp(self, args) |
| 214 | object *self; |
| 215 | object *args; |
| 216 | { |
| 217 | object *a, *b; |
| 218 | if (!getargs(args, "(OO)", &a, &b)) |
| 219 | return NULL; |
| 220 | return newintobject((long)cmpobject(a, b)); |
| 221 | } |
| 222 | |
| 223 | static object * |
Guido van Rossum | 04691fc | 1992-08-12 15:35:34 +0000 | [diff] [blame] | 224 | builtin_coerce(self, args) |
| 225 | object *self; |
| 226 | object *args; |
| 227 | { |
| 228 | object *v, *w; |
| 229 | object *res; |
| 230 | |
| 231 | if (!getargs(args, "(OO)", &v, &w)) |
| 232 | return NULL; |
| 233 | if (coerce(&v, &w) < 0) |
| 234 | return NULL; |
| 235 | res = mkvalue("(OO)", v, w); |
| 236 | DECREF(v); |
| 237 | DECREF(w); |
| 238 | return res; |
| 239 | } |
| 240 | |
| 241 | static object * |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 242 | builtin_compile(self, args) |
| 243 | object *self; |
| 244 | object *args; |
| 245 | { |
| 246 | char *str; |
| 247 | char *filename; |
| 248 | char *startstr; |
| 249 | int start; |
| 250 | if (!getargs(args, "(sss)", &str, &filename, &startstr)) |
| 251 | return NULL; |
| 252 | if (strcmp(startstr, "exec") == 0) |
| 253 | start = file_input; |
| 254 | else if (strcmp(startstr, "eval") == 0) |
| 255 | start = eval_input; |
| 256 | else { |
| 257 | err_setstr(ValueError, |
| 258 | "compile() mode must be 'exec' or 'eval'"); |
| 259 | return NULL; |
| 260 | } |
| 261 | return compile_string(str, filename, start); |
| 262 | } |
| 263 | |
| 264 | static object * |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 265 | builtin_dir(self, v) |
| 266 | object *self; |
| 267 | object *v; |
| 268 | { |
| 269 | object *d; |
| 270 | if (v == NULL) { |
| 271 | d = getlocals(); |
Guido van Rossum | dc8a108 | 1991-10-20 20:11:03 +0000 | [diff] [blame] | 272 | INCREF(d); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 273 | } |
| 274 | else { |
Guido van Rossum | dc8a108 | 1991-10-20 20:11:03 +0000 | [diff] [blame] | 275 | d = getattr(v, "__dict__"); |
| 276 | if (d == NULL) { |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 277 | err_setstr(TypeError, |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 278 | "dir() argument must have __dict__ attribute"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 279 | return NULL; |
| 280 | } |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 281 | } |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 282 | if (is_dictobject(d)) { |
Guido van Rossum | dc8a108 | 1991-10-20 20:11:03 +0000 | [diff] [blame] | 283 | v = getdictkeys(d); |
| 284 | if (sortlist(v) != 0) { |
| 285 | DECREF(v); |
| 286 | v = NULL; |
| 287 | } |
| 288 | } |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 289 | else { |
| 290 | v = newlistobject(0); |
| 291 | } |
Guido van Rossum | dc8a108 | 1991-10-20 20:11:03 +0000 | [diff] [blame] | 292 | DECREF(d); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 293 | return v; |
| 294 | } |
| 295 | |
| 296 | static object * |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 297 | builtin_divmod(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 298 | object *self; |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 299 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 300 | { |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 301 | object *v, *w, *x; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 302 | if (!getargs(args, "(OO)", &v, &w)) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 303 | return NULL; |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 304 | if (v->ob_type->tp_as_number == NULL || |
| 305 | w->ob_type->tp_as_number == NULL) { |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 306 | err_setstr(TypeError, "divmod() requires numeric arguments"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 307 | return NULL; |
| 308 | } |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 309 | if (coerce(&v, &w) != 0) |
| 310 | return NULL; |
| 311 | x = (*v->ob_type->tp_as_number->nb_divmod)(v, w); |
| 312 | DECREF(v); |
| 313 | DECREF(w); |
| 314 | return x; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 315 | } |
| 316 | |
| 317 | static object * |
| 318 | exec_eval(v, start) |
| 319 | object *v; |
| 320 | int start; |
| 321 | { |
| 322 | object *str = NULL, *globals = NULL, *locals = NULL; |
Guido van Rossum | f08ab0a | 1992-03-04 16:41:41 +0000 | [diff] [blame] | 323 | char *s; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 324 | int n; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame^] | 325 | /* XXX This is a bit of a mess. Should make it varargs */ |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 326 | if (v != NULL) { |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 327 | if (is_tupleobject(v) && |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 328 | ((n = gettuplesize(v)) == 2 || n == 3)) { |
| 329 | str = gettupleitem(v, 0); |
| 330 | globals = gettupleitem(v, 1); |
| 331 | if (n == 3) |
| 332 | locals = gettupleitem(v, 2); |
| 333 | } |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 334 | else |
| 335 | str = v; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 336 | } |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 337 | if (str == NULL || (!is_stringobject(str) && !is_codeobject(str)) || |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 338 | globals != NULL && !is_dictobject(globals) || |
| 339 | locals != NULL && !is_dictobject(locals)) { |
| 340 | err_setstr(TypeError, |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame^] | 341 | "eval/lambda arguments must be (string|code)[,dict[,dict]]"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 342 | return NULL; |
| 343 | } |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame^] | 344 | /* XXX The following is only correct for eval(), not for lambda() */ |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 345 | if (is_codeobject(str)) |
| 346 | return eval_code((codeobject *) str, globals, locals, |
Guido van Rossum | 81daa32 | 1993-05-20 14:24:46 +0000 | [diff] [blame] | 347 | (object *)NULL, (object *)NULL); |
Guido van Rossum | f08ab0a | 1992-03-04 16:41:41 +0000 | [diff] [blame] | 348 | s = getstringvalue(str); |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 349 | if (strlen(s) != getstringsize(str)) { |
| 350 | err_setstr(ValueError, "embedded '\\0' in string arg"); |
| 351 | return NULL; |
| 352 | } |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame^] | 353 | if (start == eval_input || start == lambda_input) { |
Guido van Rossum | f08ab0a | 1992-03-04 16:41:41 +0000 | [diff] [blame] | 354 | while (*s == ' ' || *s == '\t') |
| 355 | s++; |
| 356 | } |
| 357 | return run_string(s, start, globals, locals); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 358 | } |
| 359 | |
| 360 | static object * |
| 361 | builtin_eval(self, v) |
| 362 | object *self; |
| 363 | object *v; |
| 364 | { |
| 365 | return exec_eval(v, eval_input); |
| 366 | } |
| 367 | |
| 368 | static object * |
Guido van Rossum | 0f61f8a | 1992-02-25 18:55:05 +0000 | [diff] [blame] | 369 | builtin_execfile(self, v) |
| 370 | object *self; |
| 371 | object *v; |
| 372 | { |
| 373 | object *str = NULL, *globals = NULL, *locals = NULL, *w; |
| 374 | FILE* fp; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 375 | char *s; |
Guido van Rossum | 0f61f8a | 1992-02-25 18:55:05 +0000 | [diff] [blame] | 376 | int n; |
| 377 | if (v != NULL) { |
| 378 | if (is_stringobject(v)) |
| 379 | str = v; |
| 380 | else if (is_tupleobject(v) && |
| 381 | ((n = gettuplesize(v)) == 2 || n == 3)) { |
| 382 | str = gettupleitem(v, 0); |
| 383 | globals = gettupleitem(v, 1); |
| 384 | if (n == 3) |
| 385 | locals = gettupleitem(v, 2); |
| 386 | } |
| 387 | } |
| 388 | if (str == NULL || !is_stringobject(str) || |
| 389 | globals != NULL && !is_dictobject(globals) || |
| 390 | locals != NULL && !is_dictobject(locals)) { |
| 391 | err_setstr(TypeError, |
| 392 | "execfile arguments must be filename[,dict[,dict]]"); |
| 393 | return NULL; |
| 394 | } |
Guido van Rossum | 2b81dc9 | 1992-08-19 16:40:53 +0000 | [diff] [blame] | 395 | s = getstringvalue(str); |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 396 | if (strlen(s) != getstringsize(str)) { |
| 397 | err_setstr(ValueError, "embedded '\\0' in string arg"); |
| 398 | return NULL; |
| 399 | } |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 400 | BGN_SAVE |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 401 | fp = fopen(s, "r"); |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 402 | END_SAVE |
Guido van Rossum | 0f61f8a | 1992-02-25 18:55:05 +0000 | [diff] [blame] | 403 | if (fp == NULL) { |
| 404 | err_setstr(IOError, "execfile cannot open the file argument"); |
| 405 | return NULL; |
| 406 | } |
| 407 | w = run_file(fp, getstringvalue(str), file_input, globals, locals); |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 408 | BGN_SAVE |
Guido van Rossum | 0f61f8a | 1992-02-25 18:55:05 +0000 | [diff] [blame] | 409 | fclose(fp); |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 410 | END_SAVE |
Guido van Rossum | 0f61f8a | 1992-02-25 18:55:05 +0000 | [diff] [blame] | 411 | return w; |
| 412 | } |
| 413 | |
| 414 | static object * |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 415 | builtin_float(self, v) |
| 416 | object *self; |
| 417 | object *v; |
| 418 | { |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 419 | number_methods *nb; |
| 420 | |
| 421 | if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL || |
| 422 | nb->nb_float == NULL) { |
| 423 | err_setstr(TypeError, |
| 424 | "float() argument can't be converted to float"); |
| 425 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 426 | } |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 427 | return (*nb->nb_float)(v); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 428 | } |
| 429 | |
| 430 | static object * |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 431 | builtin_getattr(self, args) |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 432 | object *self; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 433 | object *args; |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 434 | { |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 435 | object *v; |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame] | 436 | object *name; |
| 437 | if (!getargs(args, "(OS)", &v, &name)) |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 438 | return NULL; |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame] | 439 | return getattro(v, name); |
| 440 | } |
| 441 | |
| 442 | static object * |
| 443 | builtin_hasattr(self, args) |
| 444 | object *self; |
| 445 | object *args; |
| 446 | { |
| 447 | object *v; |
| 448 | object *name; |
| 449 | if (!getargs(args, "(OS)", &v, &name)) |
| 450 | return NULL; |
| 451 | v = getattro(v, name); |
| 452 | if (v == NULL) { |
| 453 | err_clear(); |
| 454 | return newintobject(0L); |
| 455 | } |
| 456 | DECREF(v); |
| 457 | return newintobject(1L); |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 458 | } |
| 459 | |
| 460 | static object * |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 461 | builtin_id(self, args) |
| 462 | object *self; |
| 463 | object *args; |
| 464 | { |
| 465 | object *v; |
| 466 | if (!getargs(args, "O", &v)) |
| 467 | return NULL; |
| 468 | return newintobject((long)v); |
| 469 | } |
| 470 | |
| 471 | static object * |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame^] | 472 | builtin_map(self, args) |
| 473 | object *self; |
| 474 | object *args; |
| 475 | { |
| 476 | typedef struct { |
| 477 | object *seq; |
| 478 | sequence_methods *sqf; |
| 479 | int len; |
| 480 | } sequence; |
| 481 | |
| 482 | object *func, *result; |
| 483 | sequence *seqs = NULL, *sqp; |
| 484 | int n, len, newfunc = 0; |
| 485 | register int i, j; |
| 486 | |
| 487 | if (args == NULL || !is_tupleobject(args)) { |
| 488 | err_setstr(TypeError, "map() requires at least two args"); |
| 489 | return NULL; |
| 490 | } |
| 491 | |
| 492 | func = gettupleitem(args, 0); |
| 493 | n = gettuplesize(args) - 1; |
| 494 | |
| 495 | if (is_stringobject(func)) { |
| 496 | if ((func = exec_eval(func, lambda_input)) == NULL) |
| 497 | return NULL; |
| 498 | newfunc = 1; |
| 499 | } |
| 500 | |
| 501 | if ((seqs = (sequence *) malloc(n * sizeof(sequence))) == NULL) |
| 502 | return err_nomem(); |
| 503 | |
| 504 | for (len = -1, i = 0, sqp = seqs; i < n; ++i, ++sqp) { |
| 505 | int curlen; |
| 506 | |
| 507 | if ((sqp->seq = gettupleitem(args, i + 1)) == NULL) |
| 508 | goto Fail_2; |
| 509 | |
| 510 | if (! (sqp->sqf = sqp->seq->ob_type->tp_as_sequence)) { |
| 511 | static char errmsg[] = |
| 512 | "argument %d to map() must be a sequence object"; |
| 513 | char errbuf[sizeof(errmsg) + 3]; |
| 514 | |
| 515 | sprintf(errbuf, errmsg, i+2); |
| 516 | err_setstr(TypeError, errbuf); |
| 517 | goto Fail_2; |
| 518 | } |
| 519 | |
| 520 | if ((curlen = sqp->len = (*sqp->sqf->sq_length)(sqp->seq)) < 0) |
| 521 | goto Fail_2; |
| 522 | |
| 523 | if (curlen > len) |
| 524 | len = curlen; |
| 525 | } |
| 526 | |
| 527 | if ((result = (object *) newlistobject(len)) == NULL) |
| 528 | goto Fail_2; |
| 529 | |
| 530 | if ((args = newtupleobject(n)) == NULL) |
| 531 | goto Fail_1; |
| 532 | |
| 533 | for (i = 0; i < len; ++i) { |
| 534 | object *arg, *value; |
| 535 | |
| 536 | if (args->ob_refcnt > 1) { |
| 537 | DECREF(args); |
| 538 | if ((args = newtupleobject(n)) == NULL) |
| 539 | goto Fail_1; |
| 540 | } |
| 541 | |
| 542 | for (j = 0, sqp = seqs; j < n; ++j, ++sqp) { |
| 543 | if (i >= sqp->len) { |
| 544 | INCREF(None); |
| 545 | if (settupleitem(args, j, None) < 0) |
| 546 | goto Fail_0; |
| 547 | arg = None; |
| 548 | } |
| 549 | |
| 550 | else { |
| 551 | if ((arg = (*sqp->sqf->sq_item)(sqp->seq, i)) == NULL) |
| 552 | goto Fail_0; |
| 553 | |
| 554 | if (settupleitem(args, j, arg) < 0) |
| 555 | goto Fail_0; |
| 556 | } |
| 557 | } |
| 558 | |
| 559 | if (func == None) { |
| 560 | if (n == 1) { /* avoid creating singleton */ |
| 561 | INCREF(arg); |
| 562 | if (setlistitem(result, i, arg) < 0) |
| 563 | goto Fail_0; |
| 564 | } |
| 565 | else { |
| 566 | INCREF(args); |
| 567 | if (setlistitem(result, i, args) < 0) |
| 568 | goto Fail_0; |
| 569 | } |
| 570 | } |
| 571 | else { |
| 572 | if ((value = call_object(func, args)) == NULL) |
| 573 | goto Fail_0; |
| 574 | |
| 575 | if (setlistitem((object *) result, i, value) < 0) |
| 576 | goto Fail_0; |
| 577 | } |
| 578 | } |
| 579 | |
| 580 | if (seqs) free(seqs); |
| 581 | |
| 582 | DECREF(args); |
| 583 | if (newfunc) |
| 584 | DECREF(func); |
| 585 | |
| 586 | return result; |
| 587 | |
| 588 | Fail_0: |
| 589 | DECREF(args); |
| 590 | Fail_1: |
| 591 | DECREF(result); |
| 592 | Fail_2: |
| 593 | if (newfunc) |
| 594 | DECREF(func); |
| 595 | |
| 596 | if (seqs) free(seqs); |
| 597 | |
| 598 | return NULL; |
| 599 | } |
| 600 | |
| 601 | static object * |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 602 | builtin_setattr(self, args) |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 603 | object *self; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 604 | object *args; |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 605 | { |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 606 | object *v; |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame] | 607 | object *name; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 608 | object *value; |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame] | 609 | if (!getargs(args, "(OSO)", &v, &name, &value)) |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 610 | return NULL; |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame] | 611 | if (setattro(v, name, value) != 0) |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 612 | return NULL; |
| 613 | INCREF(None); |
| 614 | return None; |
| 615 | } |
| 616 | |
| 617 | static object * |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame] | 618 | builtin_hash(self, args) |
| 619 | object *self; |
| 620 | object *args; |
| 621 | { |
| 622 | object *v; |
| 623 | long x; |
| 624 | if (!getargs(args, "O", &v)) |
| 625 | return NULL; |
| 626 | x = hashobject(v); |
| 627 | if (x == -1) |
| 628 | return NULL; |
| 629 | return newintobject(x); |
| 630 | } |
| 631 | |
| 632 | static object * |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 633 | builtin_hex(self, v) |
| 634 | object *self; |
| 635 | object *v; |
| 636 | { |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 637 | number_methods *nb; |
| 638 | |
| 639 | if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL || |
| 640 | nb->nb_hex == NULL) { |
| 641 | err_setstr(TypeError, |
| 642 | "hex() argument can't be converted to hex"); |
| 643 | return NULL; |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 644 | } |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 645 | return (*nb->nb_hex)(v); |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 646 | } |
| 647 | |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 648 | static object *builtin_raw_input PROTO((object *, object *)); |
| 649 | |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 650 | static object * |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 651 | builtin_input(self, v) |
| 652 | object *self; |
| 653 | object *v; |
| 654 | { |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 655 | object *line = builtin_raw_input(self, v); |
| 656 | if (line == NULL) |
| 657 | return line; |
| 658 | v = exec_eval(line, eval_input); |
| 659 | DECREF(line); |
| 660 | return v; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 661 | } |
| 662 | |
| 663 | static object * |
| 664 | builtin_int(self, v) |
| 665 | object *self; |
| 666 | object *v; |
| 667 | { |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 668 | number_methods *nb; |
| 669 | |
| 670 | if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL || |
| 671 | nb->nb_int == NULL) { |
| 672 | err_setstr(TypeError, |
| 673 | "int() argument can't be converted to int"); |
| 674 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 675 | } |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 676 | return (*nb->nb_int)(v); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 677 | } |
| 678 | |
| 679 | static object * |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame^] | 680 | builtin_lambda(self, v) |
| 681 | object *self; |
| 682 | object *v; |
| 683 | { |
| 684 | return exec_eval(v, lambda_input); |
| 685 | } |
| 686 | |
| 687 | static object * |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 688 | builtin_len(self, v) |
| 689 | object *self; |
| 690 | object *v; |
| 691 | { |
| 692 | long len; |
| 693 | typeobject *tp; |
| 694 | if (v == NULL) { |
| 695 | err_setstr(TypeError, "len() without argument"); |
| 696 | return NULL; |
| 697 | } |
| 698 | tp = v->ob_type; |
| 699 | if (tp->tp_as_sequence != NULL) { |
| 700 | len = (*tp->tp_as_sequence->sq_length)(v); |
| 701 | } |
| 702 | else if (tp->tp_as_mapping != NULL) { |
| 703 | len = (*tp->tp_as_mapping->mp_length)(v); |
| 704 | } |
| 705 | else { |
| 706 | err_setstr(TypeError, "len() of unsized object"); |
| 707 | return NULL; |
| 708 | } |
Guido van Rossum | 04691fc | 1992-08-12 15:35:34 +0000 | [diff] [blame] | 709 | if (len < 0) |
| 710 | return NULL; |
| 711 | else |
| 712 | return newintobject(len); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 713 | } |
| 714 | |
| 715 | static object * |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 716 | builtin_long(self, v) |
| 717 | object *self; |
| 718 | object *v; |
| 719 | { |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 720 | number_methods *nb; |
| 721 | |
| 722 | if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL || |
| 723 | nb->nb_long == NULL) { |
| 724 | err_setstr(TypeError, |
| 725 | "long() argument can't be converted to long"); |
| 726 | return NULL; |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 727 | } |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 728 | return (*nb->nb_long)(v); |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 729 | } |
| 730 | |
| 731 | static object * |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 732 | min_max(v, sign) |
| 733 | object *v; |
| 734 | int sign; |
| 735 | { |
| 736 | int i, n, cmp; |
| 737 | object *w, *x; |
| 738 | sequence_methods *sq; |
| 739 | if (v == NULL) { |
| 740 | err_setstr(TypeError, "min() or max() without argument"); |
| 741 | return NULL; |
| 742 | } |
| 743 | sq = v->ob_type->tp_as_sequence; |
| 744 | if (sq == NULL) { |
| 745 | err_setstr(TypeError, "min() or max() of non-sequence"); |
| 746 | return NULL; |
| 747 | } |
| 748 | n = (*sq->sq_length)(v); |
Guido van Rossum | d014ea6 | 1992-11-26 10:30:26 +0000 | [diff] [blame] | 749 | if (n < 0) |
| 750 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 751 | if (n == 0) { |
Guido van Rossum | 50afb7a | 1991-12-10 13:52:31 +0000 | [diff] [blame] | 752 | err_setstr(ValueError, "min() or max() of empty sequence"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 753 | return NULL; |
| 754 | } |
| 755 | w = (*sq->sq_item)(v, 0); /* Implies INCREF */ |
| 756 | for (i = 1; i < n; i++) { |
| 757 | x = (*sq->sq_item)(v, i); /* Implies INCREF */ |
| 758 | cmp = cmpobject(x, w); |
| 759 | if (cmp * sign > 0) { |
| 760 | DECREF(w); |
| 761 | w = x; |
| 762 | } |
| 763 | else |
| 764 | DECREF(x); |
| 765 | } |
| 766 | return w; |
| 767 | } |
| 768 | |
| 769 | static object * |
| 770 | builtin_min(self, v) |
| 771 | object *self; |
| 772 | object *v; |
| 773 | { |
| 774 | return min_max(v, -1); |
| 775 | } |
| 776 | |
| 777 | static object * |
| 778 | builtin_max(self, v) |
| 779 | object *self; |
| 780 | object *v; |
| 781 | { |
| 782 | return min_max(v, 1); |
| 783 | } |
| 784 | |
| 785 | static object * |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 786 | builtin_oct(self, v) |
| 787 | object *self; |
| 788 | object *v; |
| 789 | { |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 790 | number_methods *nb; |
| 791 | |
| 792 | if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL || |
| 793 | nb->nb_oct == NULL) { |
| 794 | err_setstr(TypeError, |
| 795 | "oct() argument can't be converted to oct"); |
| 796 | return NULL; |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 797 | } |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 798 | return (*nb->nb_oct)(v); |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 799 | } |
| 800 | |
| 801 | static object * |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 802 | builtin_open(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 803 | object *self; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 804 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 805 | { |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 806 | char *name, *mode; |
| 807 | if (!getargs(args, "(ss)", &name, &mode)) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 808 | return NULL; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 809 | return newfileobject(name, mode); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 810 | } |
| 811 | |
| 812 | static object * |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 813 | builtin_ord(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 814 | object *self; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 815 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 816 | { |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 817 | char *s; |
| 818 | int len; |
| 819 | if (!getargs(args, "s#", &s, &len)) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 820 | return NULL; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 821 | if (len != 1) { |
Guido van Rossum | 50afb7a | 1991-12-10 13:52:31 +0000 | [diff] [blame] | 822 | err_setstr(ValueError, "ord() arg must have length 1"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 823 | return NULL; |
| 824 | } |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 825 | return newintobject((long)(s[0] & 0xff)); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 826 | } |
| 827 | |
| 828 | static object * |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 829 | builtin_pow(self, args) |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 830 | object *self; |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 831 | object *args; |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 832 | { |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 833 | object *v, *w, *x; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 834 | if (!getargs(args, "(OO)", &v, &w)) |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 835 | return NULL; |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 836 | if (v->ob_type->tp_as_number == NULL || |
| 837 | w->ob_type->tp_as_number == NULL) { |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 838 | err_setstr(TypeError, "pow() requires numeric arguments"); |
| 839 | return NULL; |
| 840 | } |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 841 | if (coerce(&v, &w) != 0) |
| 842 | return NULL; |
| 843 | x = (*v->ob_type->tp_as_number->nb_power)(v, w); |
| 844 | DECREF(v); |
| 845 | DECREF(w); |
| 846 | return x; |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 847 | } |
| 848 | |
| 849 | static object * |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 850 | builtin_range(self, v) |
| 851 | object *self; |
| 852 | object *v; |
| 853 | { |
| 854 | static char *errmsg = "range() requires 1-3 int arguments"; |
| 855 | int i, n; |
| 856 | long ilow, ihigh, istep; |
| 857 | if (v != NULL && is_intobject(v)) { |
| 858 | ilow = 0; ihigh = getintvalue(v); istep = 1; |
| 859 | } |
| 860 | else if (v == NULL || !is_tupleobject(v)) { |
| 861 | err_setstr(TypeError, errmsg); |
| 862 | return NULL; |
| 863 | } |
| 864 | else { |
| 865 | n = gettuplesize(v); |
| 866 | if (n < 1 || n > 3) { |
| 867 | err_setstr(TypeError, errmsg); |
| 868 | return NULL; |
| 869 | } |
| 870 | for (i = 0; i < n; i++) { |
| 871 | if (!is_intobject(gettupleitem(v, i))) { |
| 872 | err_setstr(TypeError, errmsg); |
| 873 | return NULL; |
| 874 | } |
| 875 | } |
| 876 | if (n == 3) { |
| 877 | istep = getintvalue(gettupleitem(v, 2)); |
| 878 | --n; |
| 879 | } |
| 880 | else |
| 881 | istep = 1; |
| 882 | ihigh = getintvalue(gettupleitem(v, --n)); |
| 883 | if (n > 0) |
| 884 | ilow = getintvalue(gettupleitem(v, 0)); |
| 885 | else |
| 886 | ilow = 0; |
| 887 | } |
| 888 | if (istep == 0) { |
Guido van Rossum | 50afb7a | 1991-12-10 13:52:31 +0000 | [diff] [blame] | 889 | err_setstr(ValueError, "zero step for range()"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 890 | return NULL; |
| 891 | } |
| 892 | /* XXX ought to check overflow of subtraction */ |
| 893 | if (istep > 0) |
| 894 | n = (ihigh - ilow + istep - 1) / istep; |
| 895 | else |
| 896 | n = (ihigh - ilow + istep + 1) / istep; |
| 897 | if (n < 0) |
| 898 | n = 0; |
| 899 | v = newlistobject(n); |
| 900 | if (v == NULL) |
| 901 | return NULL; |
| 902 | for (i = 0; i < n; i++) { |
| 903 | object *w = newintobject(ilow); |
| 904 | if (w == NULL) { |
| 905 | DECREF(v); |
| 906 | return NULL; |
| 907 | } |
| 908 | setlistitem(v, i, w); |
| 909 | ilow += istep; |
| 910 | } |
| 911 | return v; |
| 912 | } |
| 913 | |
| 914 | static object * |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame^] | 915 | builtin_xrange(self, v) |
| 916 | object *self; |
| 917 | object *v; |
| 918 | { |
| 919 | static char *errmsg = "xrange() requires 1-3 int arguments"; |
| 920 | int i, n; |
| 921 | long start, stop, step, len; |
| 922 | if (v != NULL && is_intobject(v)) |
| 923 | start = 0, stop = getintvalue(v), step = 1; |
| 924 | |
| 925 | else if (v == NULL || !is_tupleobject(v)) { |
| 926 | err_setstr(TypeError, errmsg); |
| 927 | return NULL; |
| 928 | } |
| 929 | else { |
| 930 | n = gettuplesize(v); |
| 931 | if (n < 1 || n > 3) { |
| 932 | err_setstr(TypeError, errmsg); |
| 933 | return NULL; |
| 934 | } |
| 935 | for (i = 0; i < n; i++) { |
| 936 | if (!is_intobject(gettupleitem(v, i))) { |
| 937 | err_setstr(TypeError, errmsg); |
| 938 | return NULL; |
| 939 | } |
| 940 | } |
| 941 | if (n == 3) { |
| 942 | step = getintvalue(gettupleitem(v, 2)); |
| 943 | --n; |
| 944 | } |
| 945 | else |
| 946 | step = 1; |
| 947 | stop = getintvalue(gettupleitem(v, --n)); |
| 948 | if (n > 0) |
| 949 | start = getintvalue(gettupleitem(v, 0)); |
| 950 | else |
| 951 | start = 0; |
| 952 | } |
| 953 | |
| 954 | if (step == 0) { |
| 955 | err_setstr(ValueError, "zero step for xrange()"); |
| 956 | return NULL; |
| 957 | } |
| 958 | |
| 959 | len = (stop - start + step + ((step > 0) ? -1 : 1)) / step; |
| 960 | if (len < 0) |
| 961 | len = 0; |
| 962 | |
| 963 | return newrangeobject(start, len, step, 1); |
| 964 | } |
| 965 | |
| 966 | static object * |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 967 | builtin_raw_input(self, v) |
| 968 | object *self; |
| 969 | object *v; |
| 970 | { |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 971 | object *f = sysget("stdout"); |
| 972 | if (f == NULL) { |
| 973 | err_setstr(RuntimeError, "lost sys.stdout"); |
| 974 | return NULL; |
| 975 | } |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 976 | flushline(); |
Guido van Rossum | 9093361 | 1991-06-07 16:10:43 +0000 | [diff] [blame] | 977 | if (v != NULL) { |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 978 | if (writeobject(v, f, PRINT_RAW) != 0) |
Guido van Rossum | 9093361 | 1991-06-07 16:10:43 +0000 | [diff] [blame] | 979 | return NULL; |
| 980 | } |
Guido van Rossum | 26203aa | 1991-04-04 15:20:41 +0000 | [diff] [blame] | 981 | return filegetline(sysget("stdin"), -1); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 982 | } |
| 983 | |
| 984 | static object * |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame^] | 985 | builtin_reduce(self, args) |
| 986 | object *self; |
| 987 | object *args; |
| 988 | { |
| 989 | object *seq, *func, *result; |
| 990 | sequence_methods *sqf; |
| 991 | static char reduce_err[] = "reduce() requires 2 or 3 args"; |
| 992 | register int i; |
| 993 | int start = 0, newfunc = 0; |
| 994 | int len; |
| 995 | |
| 996 | if (args == NULL || !is_tupleobject(args)) { |
| 997 | err_setstr(TypeError, reduce_err); |
| 998 | return NULL; |
| 999 | } |
| 1000 | |
| 1001 | switch (gettuplesize(args)) { |
| 1002 | case 2: |
| 1003 | start = 1; /* fall through */ |
| 1004 | case 3: |
| 1005 | func = gettupleitem(args, 0); |
| 1006 | seq = gettupleitem(args, 1); |
| 1007 | break; |
| 1008 | default: |
| 1009 | err_setstr(TypeError, reduce_err); |
| 1010 | } |
| 1011 | |
| 1012 | if ((sqf = seq->ob_type->tp_as_sequence) == NULL) { |
| 1013 | err_setstr(TypeError, |
| 1014 | "2nd argument to reduce() must be a sequence object"); |
| 1015 | return NULL; |
| 1016 | } |
| 1017 | |
| 1018 | if (is_stringobject(func)) { |
| 1019 | if ((func = exec_eval(func, lambda_input)) == NULL) |
| 1020 | return NULL; |
| 1021 | newfunc = 1; |
| 1022 | } |
| 1023 | |
| 1024 | if ((len = (*sqf->sq_length)(seq)) < 0) |
| 1025 | goto Fail_2; |
| 1026 | |
| 1027 | if (start == 1) { |
| 1028 | if (len == 0) { |
| 1029 | err_setstr(TypeError, |
| 1030 | "reduce of empty sequence with no initial value"); |
| 1031 | goto Fail_2; |
| 1032 | } |
| 1033 | |
| 1034 | if ((result = (*sqf->sq_item)(seq, 0)) == NULL) |
| 1035 | goto Fail_2; |
| 1036 | } |
| 1037 | else { |
| 1038 | result = gettupleitem(args, 2); |
| 1039 | INCREF(result); |
| 1040 | } |
| 1041 | |
| 1042 | if ((args = newtupleobject(2)) == NULL) |
| 1043 | goto Fail_1; |
| 1044 | |
| 1045 | for (i = start; i < len; ++i) { |
| 1046 | object *op2; |
| 1047 | |
| 1048 | if (args->ob_refcnt > 1) { |
| 1049 | DECREF(args); |
| 1050 | if ((args = newtupleobject(2)) == NULL) |
| 1051 | goto Fail_1; |
| 1052 | } |
| 1053 | |
| 1054 | if ((op2 = (*sqf->sq_item)(seq, i)) == NULL) |
| 1055 | goto Fail_2; |
| 1056 | |
| 1057 | settupleitem(args, 0, result); |
| 1058 | settupleitem(args, 1, op2); |
| 1059 | if ((result = call_object(func, args)) == NULL) |
| 1060 | goto Fail_0; |
| 1061 | } |
| 1062 | |
| 1063 | DECREF(args); |
| 1064 | if (newfunc) |
| 1065 | DECREF(func); |
| 1066 | |
| 1067 | return result; |
| 1068 | |
| 1069 | /* XXX I hate goto's. I hate goto's. I hate goto's. I hate goto's. */ |
| 1070 | Fail_0: |
| 1071 | DECREF(args); |
| 1072 | goto Fail_2; |
| 1073 | Fail_1: |
| 1074 | DECREF(result); |
| 1075 | Fail_2: |
| 1076 | if (newfunc) |
| 1077 | DECREF(func); |
| 1078 | return NULL; |
| 1079 | } |
| 1080 | |
| 1081 | static object * |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1082 | builtin_reload(self, v) |
| 1083 | object *self; |
| 1084 | object *v; |
| 1085 | { |
| 1086 | return reload_module(v); |
| 1087 | } |
| 1088 | |
| 1089 | static object * |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 1090 | builtin_repr(self, v) |
| 1091 | object *self; |
| 1092 | object *v; |
| 1093 | { |
| 1094 | if (v == NULL) { |
| 1095 | err_badarg(); |
| 1096 | return NULL; |
| 1097 | } |
| 1098 | return reprobject(v); |
| 1099 | } |
| 1100 | |
| 1101 | static object * |
Guido van Rossum | 9e51f9b | 1993-02-12 16:29:05 +0000 | [diff] [blame] | 1102 | builtin_round(self, args) |
| 1103 | object *self; |
| 1104 | object *args; |
| 1105 | { |
| 1106 | extern double floor PROTO((double)); |
| 1107 | extern double ceil PROTO((double)); |
| 1108 | double x; |
| 1109 | double f; |
| 1110 | int ndigits = 0; |
| 1111 | int sign = 1; |
| 1112 | int i; |
| 1113 | if (!getargs(args, "d", &x)) { |
| 1114 | err_clear(); |
| 1115 | if (!getargs(args, "(di)", &x, &ndigits)) |
| 1116 | return NULL; |
| 1117 | } |
| 1118 | f = 1.0; |
| 1119 | for (i = ndigits; --i >= 0; ) |
| 1120 | f = f*10.0; |
| 1121 | for (i = ndigits; ++i <= 0; ) |
| 1122 | f = f*0.1; |
| 1123 | if (x >= 0.0) |
| 1124 | return newfloatobject(floor(x*f + 0.5) / f); |
| 1125 | else |
| 1126 | return newfloatobject(ceil(x*f - 0.5) / f); |
| 1127 | } |
| 1128 | |
| 1129 | static object * |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 1130 | builtin_str(self, v) |
| 1131 | object *self; |
| 1132 | object *v; |
| 1133 | { |
| 1134 | if (v == NULL) { |
| 1135 | err_badarg(); |
| 1136 | return NULL; |
| 1137 | } |
| 1138 | if (is_stringobject(v)) { |
| 1139 | INCREF(v); |
| 1140 | return v; |
| 1141 | } |
| 1142 | else |
| 1143 | return reprobject(v); |
| 1144 | } |
| 1145 | |
| 1146 | static object * |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1147 | builtin_type(self, v) |
| 1148 | object *self; |
| 1149 | object *v; |
| 1150 | { |
| 1151 | if (v == NULL) { |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 1152 | err_setstr(TypeError, "type() requires an argument"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1153 | return NULL; |
| 1154 | } |
| 1155 | v = (object *)v->ob_type; |
| 1156 | INCREF(v); |
| 1157 | return v; |
| 1158 | } |
| 1159 | |
| 1160 | static struct methodlist builtin_methods[] = { |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 1161 | {"abs", builtin_abs}, |
| 1162 | {"apply", builtin_apply}, |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame^] | 1163 | {"bagof", builtin_bagof}, |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 1164 | {"chr", builtin_chr}, |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 1165 | {"cmp", builtin_cmp}, |
Guido van Rossum | 04691fc | 1992-08-12 15:35:34 +0000 | [diff] [blame] | 1166 | {"coerce", builtin_coerce}, |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 1167 | {"compile", builtin_compile}, |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 1168 | {"dir", builtin_dir}, |
| 1169 | {"divmod", builtin_divmod}, |
| 1170 | {"eval", builtin_eval}, |
Guido van Rossum | 0f61f8a | 1992-02-25 18:55:05 +0000 | [diff] [blame] | 1171 | {"execfile", builtin_execfile}, |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 1172 | {"float", builtin_float}, |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 1173 | {"getattr", builtin_getattr}, |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame] | 1174 | {"hasattr", builtin_hasattr}, |
| 1175 | {"hash", builtin_hash}, |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 1176 | {"hex", builtin_hex}, |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 1177 | {"id", builtin_id}, |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 1178 | {"input", builtin_input}, |
| 1179 | {"int", builtin_int}, |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame^] | 1180 | {"lambda", builtin_lambda}, |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 1181 | {"len", builtin_len}, |
| 1182 | {"long", builtin_long}, |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame^] | 1183 | {"map", builtin_map}, |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 1184 | {"max", builtin_max}, |
| 1185 | {"min", builtin_min}, |
| 1186 | {"oct", builtin_oct}, |
Guido van Rossum | 5778949 | 1992-02-05 11:17:52 +0000 | [diff] [blame] | 1187 | {"open", builtin_open}, |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 1188 | {"ord", builtin_ord}, |
| 1189 | {"pow", builtin_pow}, |
| 1190 | {"range", builtin_range}, |
| 1191 | {"raw_input", builtin_raw_input}, |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame^] | 1192 | {"reduce", builtin_reduce}, |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 1193 | {"reload", builtin_reload}, |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 1194 | {"repr", builtin_repr}, |
Guido van Rossum | 9e51f9b | 1993-02-12 16:29:05 +0000 | [diff] [blame] | 1195 | {"round", builtin_round}, |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 1196 | {"setattr", builtin_setattr}, |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 1197 | {"str", builtin_str}, |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 1198 | {"type", builtin_type}, |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame^] | 1199 | {"xrange", builtin_xrange}, |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 1200 | {NULL, NULL}, |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1201 | }; |
| 1202 | |
| 1203 | static object *builtin_dict; |
| 1204 | |
| 1205 | object * |
| 1206 | getbuiltin(name) |
Guido van Rossum | a57fb01 | 1991-08-16 08:54:58 +0000 | [diff] [blame] | 1207 | object *name; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1208 | { |
Guido van Rossum | a57fb01 | 1991-08-16 08:54:58 +0000 | [diff] [blame] | 1209 | return dict2lookup(builtin_dict, name); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1210 | } |
| 1211 | |
| 1212 | /* Predefined exceptions */ |
| 1213 | |
Guido van Rossum | 2583165 | 1993-05-19 14:50:45 +0000 | [diff] [blame] | 1214 | object *AccessError; |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1215 | object *AttributeError; |
Guido van Rossum | 2583165 | 1993-05-19 14:50:45 +0000 | [diff] [blame] | 1216 | object *ConflictError; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1217 | object *EOFError; |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1218 | object *IOError; |
Guido van Rossum | ed7711b | 1991-12-24 13:24:53 +0000 | [diff] [blame] | 1219 | object *ImportError; |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1220 | object *IndexError; |
| 1221 | object *KeyError; |
| 1222 | object *KeyboardInterrupt; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1223 | object *MemoryError; |
| 1224 | object *NameError; |
Guido van Rossum | 50afb7a | 1991-12-10 13:52:31 +0000 | [diff] [blame] | 1225 | object *OverflowError; |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1226 | object *RuntimeError; |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 1227 | object *SyntaxError; |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1228 | object *SystemError; |
Guido van Rossum | 768a3f0 | 1991-12-31 13:13:47 +0000 | [diff] [blame] | 1229 | object *SystemExit; |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1230 | object *TypeError; |
| 1231 | object *ValueError; |
| 1232 | object *ZeroDivisionError; |
Guido van Rossum | 50afb7a | 1991-12-10 13:52:31 +0000 | [diff] [blame] | 1233 | |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1234 | static object * |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1235 | newstdexception(name) |
| 1236 | char *name; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1237 | { |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1238 | object *v = newstringobject(name); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1239 | if (v == NULL || dictinsert(builtin_dict, name, v) != 0) |
| 1240 | fatal("no mem for new standard exception"); |
| 1241 | return v; |
| 1242 | } |
| 1243 | |
| 1244 | static void |
| 1245 | initerrors() |
| 1246 | { |
Guido van Rossum | 2583165 | 1993-05-19 14:50:45 +0000 | [diff] [blame] | 1247 | AccessError = newstdexception("AccessError"); |
Guido van Rossum | ed7711b | 1991-12-24 13:24:53 +0000 | [diff] [blame] | 1248 | AttributeError = newstdexception("AttributeError"); |
Guido van Rossum | 2583165 | 1993-05-19 14:50:45 +0000 | [diff] [blame] | 1249 | ConflictError = newstdexception("ConflictError"); |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1250 | EOFError = newstdexception("EOFError"); |
Guido van Rossum | ed7711b | 1991-12-24 13:24:53 +0000 | [diff] [blame] | 1251 | IOError = newstdexception("IOError"); |
| 1252 | ImportError = newstdexception("ImportError"); |
| 1253 | IndexError = newstdexception("IndexError"); |
| 1254 | KeyError = newstdexception("KeyError"); |
| 1255 | KeyboardInterrupt = newstdexception("KeyboardInterrupt"); |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1256 | MemoryError = newstdexception("MemoryError"); |
| 1257 | NameError = newstdexception("NameError"); |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1258 | OverflowError = newstdexception("OverflowError"); |
Guido van Rossum | ed7711b | 1991-12-24 13:24:53 +0000 | [diff] [blame] | 1259 | RuntimeError = newstdexception("RuntimeError"); |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1260 | SyntaxError = newstdexception("SyntaxError"); |
Guido van Rossum | ed7711b | 1991-12-24 13:24:53 +0000 | [diff] [blame] | 1261 | SystemError = newstdexception("SystemError"); |
Guido van Rossum | 768a3f0 | 1991-12-31 13:13:47 +0000 | [diff] [blame] | 1262 | SystemExit = newstdexception("SystemExit"); |
Guido van Rossum | ed7711b | 1991-12-24 13:24:53 +0000 | [diff] [blame] | 1263 | TypeError = newstdexception("TypeError"); |
| 1264 | ValueError = newstdexception("ValueError"); |
| 1265 | ZeroDivisionError = newstdexception("ZeroDivisionError"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1266 | } |
| 1267 | |
| 1268 | void |
| 1269 | initbuiltin() |
| 1270 | { |
| 1271 | object *m; |
Guido van Rossum | 89b3325 | 1993-10-22 14:26:06 +0000 | [diff] [blame] | 1272 | m = initmodule("__builtin__", builtin_methods); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1273 | builtin_dict = getmoduledict(m); |
| 1274 | INCREF(builtin_dict); |
| 1275 | initerrors(); |
| 1276 | (void) dictinsert(builtin_dict, "None", None); |
| 1277 | } |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 1278 | |
| 1279 | /* Coerce two numeric types to the "larger" one. |
| 1280 | Increment the reference count on each argument. |
| 1281 | Return -1 and raise an exception if no coercion is possible |
| 1282 | (and then no reference count is incremented). |
Guido van Rossum | e6eefc2 | 1992-08-14 12:06:52 +0000 | [diff] [blame] | 1283 | */ |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 1284 | |
| 1285 | int |
| 1286 | coerce(pv, pw) |
| 1287 | object **pv, **pw; |
| 1288 | { |
| 1289 | register object *v = *pv; |
| 1290 | register object *w = *pw; |
Guido van Rossum | e6eefc2 | 1992-08-14 12:06:52 +0000 | [diff] [blame] | 1291 | int res; |
| 1292 | |
Guido van Rossum | 9e51f9b | 1993-02-12 16:29:05 +0000 | [diff] [blame] | 1293 | if (v->ob_type == w->ob_type && !is_instanceobject(v)) { |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 1294 | INCREF(v); |
| 1295 | INCREF(w); |
| 1296 | return 0; |
| 1297 | } |
Guido van Rossum | e6eefc2 | 1992-08-14 12:06:52 +0000 | [diff] [blame] | 1298 | if (v->ob_type->tp_as_number && v->ob_type->tp_as_number->nb_coerce) { |
| 1299 | res = (*v->ob_type->tp_as_number->nb_coerce)(pv, pw); |
| 1300 | if (res <= 0) |
| 1301 | return res; |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 1302 | } |
Guido van Rossum | e6eefc2 | 1992-08-14 12:06:52 +0000 | [diff] [blame] | 1303 | if (w->ob_type->tp_as_number && w->ob_type->tp_as_number->nb_coerce) { |
| 1304 | res = (*w->ob_type->tp_as_number->nb_coerce)(pw, pv); |
| 1305 | if (res <= 0) |
| 1306 | return res; |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 1307 | } |
Guido van Rossum | e6eefc2 | 1992-08-14 12:06:52 +0000 | [diff] [blame] | 1308 | err_setstr(TypeError, "number coercion failed"); |
| 1309 | return -1; |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 1310 | } |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame^] | 1311 | |
| 1312 | |
| 1313 | /* Filter a tuple through a function */ |
| 1314 | |
| 1315 | static object * |
| 1316 | filtertuple(func, tuple) |
| 1317 | object *func; |
| 1318 | object *tuple; |
| 1319 | { |
| 1320 | object *arg, *result; |
| 1321 | register int i, j; |
| 1322 | int len = gettuplesize(tuple), shared = 0; |
| 1323 | |
| 1324 | if (tuple->ob_refcnt == 1) { |
| 1325 | result = tuple; |
| 1326 | shared = 1; |
| 1327 | /* defer INCREF (resizetuple wants it to be one) */ |
| 1328 | } |
| 1329 | else |
| 1330 | if ((result = newtupleobject(len)) == NULL) |
| 1331 | return NULL; |
| 1332 | |
| 1333 | if ((arg = newtupleobject(1)) == NULL) |
| 1334 | goto Fail_1; |
| 1335 | |
| 1336 | for (i = j = 0; i < len; ++i) { |
| 1337 | object *ele, *value; |
| 1338 | |
| 1339 | if (arg->ob_refcnt > 1) { |
| 1340 | DECREF(arg); |
| 1341 | if ((arg = newtupleobject(1)) == NULL) |
| 1342 | goto Fail_1; |
| 1343 | } |
| 1344 | |
| 1345 | if ((ele = gettupleitem(tuple, i)) == NULL) |
| 1346 | goto Fail_0; |
| 1347 | INCREF(ele); |
| 1348 | |
| 1349 | if (func == None) |
| 1350 | value = ele; |
| 1351 | else { |
| 1352 | if (settupleitem(arg, 0, ele) < 0) |
| 1353 | goto Fail_0; |
| 1354 | |
| 1355 | if ((value = call_object(func, arg)) == NULL) |
| 1356 | goto Fail_0; |
| 1357 | } |
| 1358 | |
| 1359 | if (testbool(value)) { |
| 1360 | INCREF(ele); |
| 1361 | if (settupleitem(result, j++, ele) < 0) |
| 1362 | goto Fail_0; |
| 1363 | } |
| 1364 | |
| 1365 | DECREF(value); |
| 1366 | } |
| 1367 | |
| 1368 | DECREF(arg); |
| 1369 | if (resizetuple(&result, j) < 0) |
| 1370 | return NULL; |
| 1371 | |
| 1372 | if (shared) |
| 1373 | INCREF(result); |
| 1374 | |
| 1375 | return result; |
| 1376 | |
| 1377 | Fail_0: |
| 1378 | DECREF(arg); |
| 1379 | Fail_1: |
| 1380 | if (!shared) |
| 1381 | DECREF(result); |
| 1382 | return NULL; |
| 1383 | } |
| 1384 | |
| 1385 | |
| 1386 | /* Filter a string through a function */ |
| 1387 | |
| 1388 | static object * |
| 1389 | filterstring(func, strobj) |
| 1390 | object *func; |
| 1391 | object *strobj; |
| 1392 | { |
| 1393 | object *arg, *result; |
| 1394 | register int i, j; |
| 1395 | int len = getstringsize(strobj), shared = 0; |
| 1396 | |
| 1397 | if (strobj->ob_refcnt == 1) { |
| 1398 | result = strobj; |
| 1399 | shared = 1; |
| 1400 | /* defer INCREF (resizestring wants it to be one) */ |
| 1401 | |
| 1402 | if (func == None) { |
| 1403 | INCREF(result); |
| 1404 | return result; |
| 1405 | } |
| 1406 | } |
| 1407 | else { |
| 1408 | if ((result = newsizedstringobject(NULL, len)) == NULL) |
| 1409 | return NULL; |
| 1410 | |
| 1411 | if (func == None) { |
| 1412 | strcpy(GETSTRINGVALUE((stringobject *)result), |
| 1413 | GETSTRINGVALUE((stringobject *)strobj)); |
| 1414 | return result; |
| 1415 | } |
| 1416 | } |
| 1417 | |
| 1418 | if ((arg = newtupleobject(1)) == NULL) |
| 1419 | goto Fail_1; |
| 1420 | |
| 1421 | for (i = j = 0; i < len; ++i) { |
| 1422 | object *ele, *value; |
| 1423 | |
| 1424 | if (arg->ob_refcnt > 1) { |
| 1425 | DECREF(arg); |
| 1426 | if ((arg = newtupleobject(1)) == NULL) |
| 1427 | goto Fail_1; |
| 1428 | } |
| 1429 | |
| 1430 | if ((ele = (*strobj->ob_type->tp_as_sequence->sq_item) |
| 1431 | (strobj, i)) == NULL) |
| 1432 | goto Fail_0; |
| 1433 | |
| 1434 | if (settupleitem(arg, 0, ele) < 0) |
| 1435 | goto Fail_0; |
| 1436 | |
| 1437 | if ((value = call_object(func, arg)) == NULL) |
| 1438 | goto Fail_0; |
| 1439 | |
| 1440 | if (testbool(value)) |
| 1441 | GETSTRINGVALUE((stringobject *)result)[j++] = |
| 1442 | GETSTRINGVALUE((stringobject *)ele)[0]; |
| 1443 | |
| 1444 | DECREF(value); |
| 1445 | } |
| 1446 | |
| 1447 | DECREF(arg); |
| 1448 | if (resizestring(&result, j) < 0) |
| 1449 | return NULL; |
| 1450 | |
| 1451 | if (shared) |
| 1452 | INCREF(result); |
| 1453 | |
| 1454 | return result; |
| 1455 | |
| 1456 | Fail_0: |
| 1457 | DECREF(arg); |
| 1458 | Fail_1: |
| 1459 | if (!shared) |
| 1460 | DECREF(result); |
| 1461 | return NULL; |
| 1462 | } |