Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 1 | /*********************************************************** |
Guido van Rossum | 6d023c9 | 1995-01-04 19:12:13 +0000 | [diff] [blame] | 2 | Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, |
| 3 | 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 *)); |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 43 | |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 44 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 45 | builtin___import__(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 46 | object *self; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 47 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 48 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 49 | char *name; |
| 50 | object *m; |
| 51 | |
| 52 | if (!newgetargs(args, "s:__import__", &name)) |
| 53 | return NULL; |
| 54 | m = import_module(name); |
| 55 | XINCREF(m); |
| 56 | |
| 57 | return m; |
| 58 | } |
| 59 | |
| 60 | |
| 61 | static object * |
| 62 | builtin_abs(self, args) |
| 63 | object *self; |
| 64 | object *args; |
| 65 | { |
| 66 | object *v; |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 67 | number_methods *nm; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 68 | |
| 69 | if (!newgetargs(args, "O:abs", &v)) |
| 70 | return NULL; |
| 71 | if ((nm = v->ob_type->tp_as_number) == NULL) { |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 72 | err_setstr(TypeError, "abs() requires numeric argument"); |
| 73 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 74 | } |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 75 | return (*nm->nb_absolute)(v); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 76 | } |
| 77 | |
| 78 | static object * |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 79 | builtin_apply(self, args) |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 80 | object *self; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 81 | object *args; |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 82 | { |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 83 | object *func, *arglist; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 84 | |
| 85 | if (!newgetargs(args, "OO:apply", &func, &arglist)) |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 86 | return NULL; |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 87 | if (!is_tupleobject(arglist)) { |
| 88 | err_setstr(TypeError, "apply() 2nd argument must be tuple"); |
| 89 | return NULL; |
| 90 | } |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 91 | return call_object(func, arglist); |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 92 | } |
| 93 | |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 94 | static int |
| 95 | callable(x) |
| 96 | object *x; |
| 97 | { |
| 98 | if (x == NULL) |
| 99 | return 0; |
| 100 | if (x->ob_type->tp_call != NULL || |
| 101 | is_funcobject(x) || |
| 102 | is_instancemethodobject(x) || |
| 103 | is_methodobject(x) || |
| 104 | is_classobject(x)) |
| 105 | return 1; |
| 106 | if (is_instanceobject(x)) { |
| 107 | object *call = getattr(x, "__call__"); |
| 108 | if (call == NULL) { |
| 109 | err_clear(); |
| 110 | return 0; |
| 111 | } |
| 112 | /* Could test recursively but don't, for fear of endless |
| 113 | recursion if some joker sets self.__call__ = self */ |
| 114 | DECREF(call); |
| 115 | return 1; |
| 116 | } |
| 117 | return 0; |
| 118 | } |
| 119 | |
| 120 | static object * |
| 121 | builtin_callable(self, args) |
| 122 | object *self; |
| 123 | object *args; |
| 124 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 125 | object *v; |
| 126 | |
| 127 | if (!newgetargs(args, "O:callable", &v)) |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 128 | return NULL; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 129 | return newintobject((long)callable(v)); |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 130 | } |
| 131 | |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 132 | static object * |
Guido van Rossum | e77a757 | 1993-11-03 15:01:26 +0000 | [diff] [blame] | 133 | builtin_filter(self, args) |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 134 | object *self; |
| 135 | object *args; |
| 136 | { |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 137 | object *func, *seq, *result; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 138 | sequence_methods *sqf; |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 139 | int len; |
| 140 | register int i, j; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 141 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 142 | if (!newgetargs(args, "OO:filter", &func, &seq)) |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 143 | return NULL; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 144 | |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 145 | if (is_stringobject(seq)) { |
| 146 | object *r = filterstring(func, seq); |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 147 | return r; |
| 148 | } |
| 149 | |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 150 | if (is_tupleobject(seq)) { |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 151 | object *r = filtertuple(func, seq); |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 152 | return r; |
| 153 | } |
| 154 | |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 155 | if ((sqf = seq->ob_type->tp_as_sequence) == NULL) { |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 156 | err_setstr(TypeError, |
Guido van Rossum | e77a757 | 1993-11-03 15:01:26 +0000 | [diff] [blame] | 157 | "argument 2 to filter() must be a sequence type"); |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 158 | goto Fail_2; |
| 159 | } |
| 160 | |
| 161 | if ((len = (*sqf->sq_length)(seq)) < 0) |
| 162 | goto Fail_2; |
| 163 | |
| 164 | if (is_listobject(seq) && seq->ob_refcnt == 1) { |
| 165 | INCREF(seq); |
| 166 | result = seq; |
| 167 | } |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 168 | else { |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 169 | if ((result = newlistobject(len)) == NULL) |
| 170 | goto Fail_2; |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 171 | } |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 172 | |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 173 | for (i = j = 0; ; ++i) { |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 174 | object *item, *good; |
| 175 | int ok; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 176 | |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 177 | if ((item = (*sqf->sq_item)(seq, i)) == NULL) { |
| 178 | if (i < len) |
| 179 | goto Fail_1; |
| 180 | if (err_occurred() == IndexError) { |
| 181 | err_clear(); |
| 182 | break; |
| 183 | } |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 184 | goto Fail_1; |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 185 | } |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 186 | |
| 187 | if (func == None) { |
| 188 | good = item; |
| 189 | } |
| 190 | else { |
| 191 | object *arg = mkvalue("(O)", item); |
| 192 | DECREF(item); |
| 193 | if (arg == NULL) |
| 194 | goto Fail_1; |
| 195 | good = call_object(func, arg); |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 196 | DECREF(arg); |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 197 | if (good == NULL) |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 198 | goto Fail_1; |
| 199 | } |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 200 | ok = testbool(good); |
| 201 | DECREF(good); |
| 202 | if (ok) { |
| 203 | INCREF(item); |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 204 | if (j < len) { |
| 205 | if (setlistitem(result, j++, item) < 0) |
| 206 | goto Fail_1; |
| 207 | } |
| 208 | else { |
| 209 | j++; |
| 210 | if (addlistitem(result, item) < 0) |
| 211 | goto Fail_1; |
| 212 | } |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 213 | } |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 214 | } |
| 215 | |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 216 | |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 217 | if (j < len && setlistslice(result, j, len, NULL) < 0) |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 218 | goto Fail_1; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 219 | |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 220 | return result; |
| 221 | |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 222 | Fail_1: |
| 223 | DECREF(result); |
| 224 | Fail_2: |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 225 | return NULL; |
| 226 | } |
| 227 | |
| 228 | static object * |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 229 | builtin_chr(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 230 | object *self; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 231 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 232 | { |
| 233 | long x; |
| 234 | char s[1]; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 235 | |
| 236 | if (!newgetargs(args, "l:chr", &x)) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 237 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 238 | if (x < 0 || x >= 256) { |
Guido van Rossum | 50afb7a | 1991-12-10 13:52:31 +0000 | [diff] [blame] | 239 | err_setstr(ValueError, "chr() arg not in range(256)"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 240 | return NULL; |
| 241 | } |
| 242 | s[0] = x; |
| 243 | return newsizedstringobject(s, 1); |
| 244 | } |
| 245 | |
| 246 | static object * |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 247 | builtin_cmp(self, args) |
| 248 | object *self; |
| 249 | object *args; |
| 250 | { |
| 251 | object *a, *b; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 252 | |
| 253 | if (!newgetargs(args, "OO:cmp", &a, &b)) |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 254 | return NULL; |
| 255 | return newintobject((long)cmpobject(a, b)); |
| 256 | } |
| 257 | |
| 258 | static object * |
Guido van Rossum | 04691fc | 1992-08-12 15:35:34 +0000 | [diff] [blame] | 259 | builtin_coerce(self, args) |
| 260 | object *self; |
| 261 | object *args; |
| 262 | { |
| 263 | object *v, *w; |
| 264 | object *res; |
| 265 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 266 | if (!newgetargs(args, "OO:coerce", &v, &w)) |
Guido van Rossum | 04691fc | 1992-08-12 15:35:34 +0000 | [diff] [blame] | 267 | return NULL; |
Guido van Rossum | 180d7b4 | 1994-09-29 09:45:57 +0000 | [diff] [blame] | 268 | if (is_instanceobject(v) || is_instanceobject(w)) |
| 269 | return instancebinop(v, w, "__coerce__", "__rcoerce__"); |
Guido van Rossum | 04691fc | 1992-08-12 15:35:34 +0000 | [diff] [blame] | 270 | if (coerce(&v, &w) < 0) |
| 271 | return NULL; |
| 272 | res = mkvalue("(OO)", v, w); |
| 273 | DECREF(v); |
| 274 | DECREF(w); |
| 275 | return res; |
| 276 | } |
| 277 | |
| 278 | static object * |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 279 | builtin_compile(self, args) |
| 280 | object *self; |
| 281 | object *args; |
| 282 | { |
| 283 | char *str; |
| 284 | char *filename; |
| 285 | char *startstr; |
| 286 | int start; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 287 | |
| 288 | if (!newgetargs(args, "sss:compile", &str, &filename, &startstr)) |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 289 | return NULL; |
| 290 | if (strcmp(startstr, "exec") == 0) |
| 291 | start = file_input; |
| 292 | else if (strcmp(startstr, "eval") == 0) |
| 293 | start = eval_input; |
| 294 | else { |
| 295 | err_setstr(ValueError, |
| 296 | "compile() mode must be 'exec' or 'eval'"); |
| 297 | return NULL; |
| 298 | } |
| 299 | return compile_string(str, filename, start); |
| 300 | } |
| 301 | |
| 302 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 303 | builtin_dir(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 304 | object *self; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 305 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 306 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 307 | object *v = NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 308 | object *d; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 309 | |
| 310 | if (!newgetargs(args, "|O:dir", &v)) |
| 311 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 312 | if (v == NULL) { |
| 313 | d = getlocals(); |
Guido van Rossum | dc8a108 | 1991-10-20 20:11:03 +0000 | [diff] [blame] | 314 | INCREF(d); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 315 | } |
| 316 | else { |
Guido van Rossum | dc8a108 | 1991-10-20 20:11:03 +0000 | [diff] [blame] | 317 | d = getattr(v, "__dict__"); |
| 318 | if (d == NULL) { |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 319 | err_setstr(TypeError, |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 320 | "dir() argument must have __dict__ attribute"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 321 | return NULL; |
| 322 | } |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 323 | } |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 324 | if (is_dictobject(d)) { |
Guido van Rossum | dc8a108 | 1991-10-20 20:11:03 +0000 | [diff] [blame] | 325 | v = getdictkeys(d); |
| 326 | if (sortlist(v) != 0) { |
| 327 | DECREF(v); |
| 328 | v = NULL; |
| 329 | } |
| 330 | } |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 331 | else { |
| 332 | v = newlistobject(0); |
| 333 | } |
Guido van Rossum | dc8a108 | 1991-10-20 20:11:03 +0000 | [diff] [blame] | 334 | DECREF(d); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 335 | return v; |
| 336 | } |
| 337 | |
| 338 | static object * |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 339 | builtin_divmod(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 340 | object *self; |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 341 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 342 | { |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 343 | object *v, *w, *x; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 344 | |
| 345 | if (!newgetargs(args, "OO:divmod", &v, &w)) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 346 | return NULL; |
Guido van Rossum | 180d7b4 | 1994-09-29 09:45:57 +0000 | [diff] [blame] | 347 | if (is_instanceobject(v) || is_instanceobject(w)) |
| 348 | return instancebinop(v, w, "__divmod__", "__rdivmod__"); |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 349 | if (v->ob_type->tp_as_number == NULL || |
| 350 | w->ob_type->tp_as_number == NULL) { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 351 | err_setstr(TypeError, |
| 352 | "divmod() requires numeric or class instance arguments"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 353 | return NULL; |
| 354 | } |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 355 | if (coerce(&v, &w) != 0) |
| 356 | return NULL; |
| 357 | x = (*v->ob_type->tp_as_number->nb_divmod)(v, w); |
| 358 | DECREF(v); |
| 359 | DECREF(w); |
| 360 | return x; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 361 | } |
| 362 | |
| 363 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 364 | builtin_eval(self, args) |
| 365 | object *self; |
| 366 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 367 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 368 | object *cmd; |
| 369 | object *globals = NULL, *locals = NULL; |
| 370 | char *str; |
Guido van Rossum | 590baa4 | 1993-11-30 13:40:46 +0000 | [diff] [blame] | 371 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 372 | if (!newgetargs(args, "O|O!O!:eval", |
| 373 | &cmd, |
| 374 | &Mappingtype, &globals, |
| 375 | &Mappingtype, &locals)) |
| 376 | return NULL; |
| 377 | if (is_codeobject(cmd)) |
| 378 | return eval_code((codeobject *) cmd, globals, locals, |
Guido van Rossum | 81daa32 | 1993-05-20 14:24:46 +0000 | [diff] [blame] | 379 | (object *)NULL, (object *)NULL); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 380 | if (!is_stringobject(cmd)) { |
| 381 | err_setstr(TypeError, |
| 382 | "eval() argument 1 must be string or code object"); |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 383 | return NULL; |
| 384 | } |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 385 | str = getstringvalue(cmd); |
| 386 | if (strlen(str) != getstringsize(cmd)) { |
| 387 | err_setstr(ValueError, |
| 388 | "embedded '\\0' in string arg"); |
| 389 | return NULL; |
Guido van Rossum | f08ab0a | 1992-03-04 16:41:41 +0000 | [diff] [blame] | 390 | } |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 391 | while (*str == ' ' || *str == '\t') |
| 392 | str++; |
| 393 | return run_string(str, eval_input, globals, locals); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 394 | } |
| 395 | |
| 396 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 397 | builtin_execfile(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 398 | object *self; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 399 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 400 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 401 | char *filename; |
| 402 | object *globals = NULL, *locals = NULL; |
| 403 | object *res; |
Guido van Rossum | 0f61f8a | 1992-02-25 18:55:05 +0000 | [diff] [blame] | 404 | FILE* fp; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 405 | char *s; |
Guido van Rossum | 0f61f8a | 1992-02-25 18:55:05 +0000 | [diff] [blame] | 406 | int n; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 407 | |
| 408 | if (!newgetargs(args, "s|O!O!:execfile", |
| 409 | &filename, |
| 410 | &Mappingtype, &globals, |
| 411 | &Mappingtype, &locals)) |
Guido van Rossum | 0f61f8a | 1992-02-25 18:55:05 +0000 | [diff] [blame] | 412 | return NULL; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 413 | BGN_SAVE |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 414 | fp = fopen(filename, "r"); |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 415 | END_SAVE |
Guido van Rossum | 0f61f8a | 1992-02-25 18:55:05 +0000 | [diff] [blame] | 416 | if (fp == NULL) { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 417 | err_errno(IOError); |
Guido van Rossum | 0f61f8a | 1992-02-25 18:55:05 +0000 | [diff] [blame] | 418 | return NULL; |
| 419 | } |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 420 | res = run_file(fp, filename, file_input, globals, locals); |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 421 | BGN_SAVE |
Guido van Rossum | 0f61f8a | 1992-02-25 18:55:05 +0000 | [diff] [blame] | 422 | fclose(fp); |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 423 | END_SAVE |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 424 | return res; |
Guido van Rossum | 0f61f8a | 1992-02-25 18:55:05 +0000 | [diff] [blame] | 425 | } |
| 426 | |
| 427 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 428 | builtin_float(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 429 | object *self; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 430 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 431 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 432 | object *v; |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 433 | number_methods *nb; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 434 | |
| 435 | if (!newgetargs(args, "O:float", &v)) |
| 436 | return NULL; |
| 437 | if ((nb = v->ob_type->tp_as_number) == NULL || |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 438 | nb->nb_float == NULL) { |
| 439 | err_setstr(TypeError, |
| 440 | "float() argument can't be converted to float"); |
| 441 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 442 | } |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 443 | return (*nb->nb_float)(v); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 444 | } |
| 445 | |
| 446 | static object * |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 447 | builtin_getattr(self, args) |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 448 | object *self; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 449 | object *args; |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 450 | { |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 451 | object *v; |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame] | 452 | object *name; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 453 | |
| 454 | if (!newgetargs(args, "OS:getattr", &v, &name)) |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 455 | return NULL; |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame] | 456 | return getattro(v, name); |
| 457 | } |
| 458 | |
| 459 | static object * |
| 460 | builtin_hasattr(self, args) |
| 461 | object *self; |
| 462 | object *args; |
| 463 | { |
| 464 | object *v; |
| 465 | object *name; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 466 | |
| 467 | if (!newgetargs(args, "OS:hasattr", &v, &name)) |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame] | 468 | return NULL; |
| 469 | v = getattro(v, name); |
| 470 | if (v == NULL) { |
| 471 | err_clear(); |
| 472 | return newintobject(0L); |
| 473 | } |
| 474 | DECREF(v); |
| 475 | return newintobject(1L); |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 476 | } |
| 477 | |
| 478 | static object * |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 479 | builtin_id(self, args) |
| 480 | object *self; |
| 481 | object *args; |
| 482 | { |
| 483 | object *v; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 484 | |
| 485 | if (!newgetargs(args, "O:id", &v)) |
Guido van Rossum | 5b72218 | 1993-03-30 17:46:03 +0000 | [diff] [blame] | 486 | return NULL; |
| 487 | return newintobject((long)v); |
| 488 | } |
| 489 | |
| 490 | static object * |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 491 | builtin_map(self, args) |
| 492 | object *self; |
| 493 | object *args; |
| 494 | { |
| 495 | typedef struct { |
| 496 | object *seq; |
| 497 | sequence_methods *sqf; |
| 498 | int len; |
| 499 | } sequence; |
| 500 | |
| 501 | object *func, *result; |
| 502 | sequence *seqs = NULL, *sqp; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 503 | int n, len; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 504 | register int i, j; |
| 505 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 506 | n = gettuplesize(args); |
| 507 | if (n < 2) { |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 508 | err_setstr(TypeError, "map() requires at least two args"); |
| 509 | return NULL; |
| 510 | } |
| 511 | |
| 512 | func = gettupleitem(args, 0); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 513 | n--; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 514 | |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 515 | if ((seqs = NEW(sequence, n)) == NULL) { |
| 516 | err_nomem(); |
| 517 | goto Fail_2; |
| 518 | } |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 519 | |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 520 | for (len = 0, i = 0, sqp = seqs; i < n; ++i, ++sqp) { |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 521 | int curlen; |
| 522 | |
| 523 | if ((sqp->seq = gettupleitem(args, i + 1)) == NULL) |
| 524 | goto Fail_2; |
| 525 | |
| 526 | if (! (sqp->sqf = sqp->seq->ob_type->tp_as_sequence)) { |
| 527 | static char errmsg[] = |
| 528 | "argument %d to map() must be a sequence object"; |
| 529 | char errbuf[sizeof(errmsg) + 3]; |
| 530 | |
| 531 | sprintf(errbuf, errmsg, i+2); |
| 532 | err_setstr(TypeError, errbuf); |
| 533 | goto Fail_2; |
| 534 | } |
| 535 | |
| 536 | if ((curlen = sqp->len = (*sqp->sqf->sq_length)(sqp->seq)) < 0) |
| 537 | goto Fail_2; |
| 538 | |
| 539 | if (curlen > len) |
| 540 | len = curlen; |
| 541 | } |
| 542 | |
| 543 | if ((result = (object *) newlistobject(len)) == NULL) |
| 544 | goto Fail_2; |
| 545 | |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 546 | /* XXX Special case map(None, single_list) could be more efficient */ |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 547 | for (i = 0; ; ++i) { |
| 548 | object *arglist, *item, *value; |
| 549 | int any = 0; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 550 | |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 551 | if (func == None && n == 1) |
| 552 | arglist = NULL; |
| 553 | else { |
| 554 | if ((arglist = newtupleobject(n)) == NULL) |
| 555 | goto Fail_1; |
| 556 | } |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 557 | |
| 558 | for (j = 0, sqp = seqs; j < n; ++j, ++sqp) { |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 559 | if (sqp->len < 0) { |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 560 | INCREF(None); |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 561 | item = None; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 562 | } |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 563 | else { |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 564 | item = (*sqp->sqf->sq_item)(sqp->seq, i); |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 565 | if (item == NULL) { |
| 566 | if (i < sqp->len) |
| 567 | goto Fail_0; |
| 568 | if (err_occurred() == IndexError) { |
| 569 | err_clear(); |
| 570 | INCREF(None); |
| 571 | item = None; |
| 572 | sqp->len = -1; |
| 573 | } |
| 574 | else { |
| 575 | goto Fail_0; |
| 576 | } |
| 577 | } |
| 578 | else |
| 579 | any = 1; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 580 | |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 581 | } |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 582 | if (!arglist) |
| 583 | break; |
| 584 | if (settupleitem(arglist, j, item) < 0) { |
| 585 | DECREF(item); |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 586 | goto Fail_0; |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 587 | } |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 588 | continue; |
| 589 | |
| 590 | Fail_0: |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 591 | XDECREF(arglist); |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 592 | goto Fail_1; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 593 | } |
| 594 | |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 595 | if (!arglist) |
| 596 | arglist = item; |
| 597 | |
| 598 | if (!any) { |
| 599 | DECREF(arglist); |
| 600 | break; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 601 | } |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 602 | |
| 603 | if (func == None) |
| 604 | value = arglist; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 605 | else { |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 606 | value = call_object(func, arglist); |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 607 | DECREF(arglist); |
| 608 | if (value == NULL) |
| 609 | goto Fail_1; |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 610 | } |
| 611 | if (i >= len) { |
| 612 | if (addlistitem(result, value) < 0) |
| 613 | goto Fail_1; |
| 614 | } |
| 615 | else { |
| 616 | if (setlistitem(result, i, value) < 0) |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 617 | goto Fail_1; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 618 | } |
| 619 | } |
| 620 | |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 621 | DEL(seqs); |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 622 | return result; |
| 623 | |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 624 | Fail_1: |
| 625 | DECREF(result); |
| 626 | Fail_2: |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 627 | if (seqs) DEL(seqs); |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 628 | return NULL; |
| 629 | } |
| 630 | |
| 631 | static object * |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 632 | builtin_setattr(self, args) |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 633 | object *self; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 634 | object *args; |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 635 | { |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 636 | object *v; |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame] | 637 | object *name; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 638 | object *value; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 639 | |
| 640 | if (!newgetargs(args, "OSO:setattr", &v, &name, &value)) |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 641 | return NULL; |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame] | 642 | if (setattro(v, name, value) != 0) |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 643 | return NULL; |
| 644 | INCREF(None); |
| 645 | return None; |
| 646 | } |
| 647 | |
| 648 | static object * |
Guido van Rossum | 14144fc | 1994-08-29 12:53:40 +0000 | [diff] [blame] | 649 | builtin_delattr(self, args) |
| 650 | object *self; |
| 651 | object *args; |
| 652 | { |
| 653 | object *v; |
| 654 | object *name; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 655 | |
| 656 | if (!newgetargs(args, "OS:delattr", &v, &name)) |
Guido van Rossum | 14144fc | 1994-08-29 12:53:40 +0000 | [diff] [blame] | 657 | return NULL; |
| 658 | if (setattro(v, name, (object *)NULL) != 0) |
| 659 | return NULL; |
| 660 | INCREF(None); |
| 661 | return None; |
| 662 | } |
| 663 | |
| 664 | static object * |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame] | 665 | builtin_hash(self, args) |
| 666 | object *self; |
| 667 | object *args; |
| 668 | { |
| 669 | object *v; |
| 670 | long x; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 671 | |
| 672 | if (!newgetargs(args, "O:hash", &v)) |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame] | 673 | return NULL; |
| 674 | x = hashobject(v); |
| 675 | if (x == -1) |
| 676 | return NULL; |
| 677 | return newintobject(x); |
| 678 | } |
| 679 | |
| 680 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 681 | builtin_hex(self, args) |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 682 | object *self; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 683 | object *args; |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 684 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 685 | object *v; |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 686 | number_methods *nb; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 687 | |
| 688 | if (!newgetargs(args, "O:hex", &v)) |
| 689 | return NULL; |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 690 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 691 | if ((nb = v->ob_type->tp_as_number) == NULL || |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 692 | nb->nb_hex == NULL) { |
| 693 | err_setstr(TypeError, |
| 694 | "hex() argument can't be converted to hex"); |
| 695 | return NULL; |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 696 | } |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 697 | return (*nb->nb_hex)(v); |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 698 | } |
| 699 | |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 700 | static object *builtin_raw_input PROTO((object *, object *)); |
| 701 | |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 702 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 703 | builtin_input(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 704 | object *self; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 705 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 706 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 707 | object *line; |
| 708 | char *str; |
| 709 | object *res; |
| 710 | |
| 711 | line = builtin_raw_input(self, args); |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 712 | if (line == NULL) |
| 713 | return line; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 714 | if (!getargs(line, "s;embedded '\\0' in input line", &str)) |
| 715 | return NULL; |
| 716 | while (*str == ' ' || *str == '\t') |
| 717 | str++; |
| 718 | res = run_string(str, eval_input, (object *)NULL, (object *)NULL); |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 719 | DECREF(line); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 720 | return res; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 721 | } |
| 722 | |
| 723 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 724 | builtin_int(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 725 | object *self; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 726 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 727 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 728 | object *v; |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 729 | number_methods *nb; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 730 | |
| 731 | if (!newgetargs(args, "O:int", &v)) |
| 732 | return NULL; |
| 733 | if ((nb = v->ob_type->tp_as_number) == NULL || |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 734 | nb->nb_int == NULL) { |
| 735 | err_setstr(TypeError, |
| 736 | "int() argument can't be converted to int"); |
| 737 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 738 | } |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 739 | return (*nb->nb_int)(v); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 740 | } |
| 741 | |
| 742 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 743 | builtin_len(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 744 | object *self; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 745 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 746 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 747 | object *v; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 748 | long len; |
| 749 | typeobject *tp; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 750 | |
| 751 | if (!newgetargs(args, "O:len", &v)) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 752 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 753 | tp = v->ob_type; |
| 754 | if (tp->tp_as_sequence != NULL) { |
| 755 | len = (*tp->tp_as_sequence->sq_length)(v); |
| 756 | } |
| 757 | else if (tp->tp_as_mapping != NULL) { |
| 758 | len = (*tp->tp_as_mapping->mp_length)(v); |
| 759 | } |
| 760 | else { |
| 761 | err_setstr(TypeError, "len() of unsized object"); |
| 762 | return NULL; |
| 763 | } |
Guido van Rossum | 04691fc | 1992-08-12 15:35:34 +0000 | [diff] [blame] | 764 | if (len < 0) |
| 765 | return NULL; |
| 766 | else |
| 767 | return newintobject(len); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 768 | } |
| 769 | |
| 770 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 771 | builtin_long(self, args) |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 772 | object *self; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 773 | object *args; |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 774 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 775 | object *v; |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 776 | number_methods *nb; |
| 777 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 778 | if (!newgetargs(args, "O:long", &v)) |
| 779 | return NULL; |
| 780 | if ((nb = v->ob_type->tp_as_number) == NULL || |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 781 | nb->nb_long == NULL) { |
| 782 | err_setstr(TypeError, |
| 783 | "long() argument can't be converted to long"); |
| 784 | return NULL; |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 785 | } |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 786 | return (*nb->nb_long)(v); |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 787 | } |
| 788 | |
| 789 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 790 | min_max(args, sign) |
| 791 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 792 | int sign; |
| 793 | { |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 794 | int i; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 795 | object *v, *w, *x; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 796 | sequence_methods *sq; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 797 | |
| 798 | if (gettuplesize(args) > 1) |
| 799 | v = args; |
| 800 | else if (!newgetargs(args, "O:min/max", &v)) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 801 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 802 | sq = v->ob_type->tp_as_sequence; |
| 803 | if (sq == NULL) { |
| 804 | err_setstr(TypeError, "min() or max() of non-sequence"); |
| 805 | return NULL; |
| 806 | } |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 807 | w = NULL; |
| 808 | for (i = 0; ; i++) { |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 809 | x = (*sq->sq_item)(v, i); /* Implies INCREF */ |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 810 | if (x == NULL) { |
| 811 | if (err_occurred() == IndexError) { |
| 812 | err_clear(); |
| 813 | break; |
| 814 | } |
| 815 | XDECREF(w); |
| 816 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 817 | } |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 818 | if (w == NULL) |
| 819 | w = x; |
| 820 | else { |
| 821 | if (cmpobject(x, w) * sign > 0) { |
| 822 | DECREF(w); |
| 823 | w = x; |
| 824 | } |
| 825 | else |
| 826 | DECREF(x); |
| 827 | } |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 828 | } |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 829 | if (w == NULL) |
| 830 | err_setstr(ValueError, "min() or max() of empty sequence"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 831 | return w; |
| 832 | } |
| 833 | |
| 834 | static object * |
| 835 | builtin_min(self, v) |
| 836 | object *self; |
| 837 | object *v; |
| 838 | { |
| 839 | return min_max(v, -1); |
| 840 | } |
| 841 | |
| 842 | static object * |
| 843 | builtin_max(self, v) |
| 844 | object *self; |
| 845 | object *v; |
| 846 | { |
| 847 | return min_max(v, 1); |
| 848 | } |
| 849 | |
| 850 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 851 | builtin_oct(self, args) |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 852 | object *self; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 853 | object *args; |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 854 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 855 | object *v; |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 856 | number_methods *nb; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 857 | |
| 858 | if (!newgetargs(args, "O:oct", &v)) |
| 859 | return NULL; |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 860 | if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL || |
| 861 | nb->nb_oct == NULL) { |
| 862 | err_setstr(TypeError, |
| 863 | "oct() argument can't be converted to oct"); |
| 864 | return NULL; |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 865 | } |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 866 | return (*nb->nb_oct)(v); |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 867 | } |
| 868 | |
| 869 | static object * |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 870 | builtin_open(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 871 | object *self; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 872 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 873 | { |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 874 | char *name; |
| 875 | char *mode = "r"; |
| 876 | int bufsize = -1; |
| 877 | object *f; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 878 | |
| 879 | if (!newgetargs(args, "s|si:open", &name, &mode, &bufsize)) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 880 | return NULL; |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 881 | f = newfileobject(name, mode); |
| 882 | if (f != NULL) |
| 883 | setfilebufsize(f, bufsize); |
| 884 | return f; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 885 | } |
| 886 | |
| 887 | static object * |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 888 | builtin_ord(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 889 | object *self; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 890 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 891 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 892 | char c; |
| 893 | |
| 894 | if (!newgetargs(args, "c:ord", &c)) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 895 | return NULL; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 896 | return newintobject((long)(c & 0xff)); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 897 | } |
| 898 | |
| 899 | static object * |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 900 | builtin_pow(self, args) |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 901 | object *self; |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 902 | object *args; |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 903 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 904 | object *v, *w, *z = None, *x; |
| 905 | |
| 906 | if (!newgetargs(args, "OO|O:pow", &v, &w, &z)) |
Guido van Rossum | 180d7b4 | 1994-09-29 09:45:57 +0000 | [diff] [blame] | 907 | return NULL; |
| 908 | if (z == None) { |
| 909 | if (is_instanceobject(v) || is_instanceobject(w)) |
| 910 | return instancebinop(v, w, "__pow__", "__rpow__"); |
| 911 | } |
| 912 | else { |
| 913 | /* XXX The ternary version doesn't do coercions */ |
| 914 | if (is_instanceobject(v)) |
| 915 | return v->ob_type->tp_as_number->nb_power(v, w, z); |
Guido van Rossum | df05ac6 | 1994-08-29 12:52:37 +0000 | [diff] [blame] | 916 | } |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 917 | if (v->ob_type->tp_as_number == NULL || |
Guido van Rossum | df05ac6 | 1994-08-29 12:52:37 +0000 | [diff] [blame] | 918 | (z!=None && z->ob_type->tp_as_number == NULL) || |
| 919 | w->ob_type->tp_as_number == NULL) { |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 920 | err_setstr(TypeError, "pow() requires numeric arguments"); |
| 921 | return NULL; |
| 922 | } |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 923 | if (coerce(&v, &w) != 0) |
| 924 | return NULL; |
Guido van Rossum | 6d023c9 | 1995-01-04 19:12:13 +0000 | [diff] [blame] | 925 | if (z == None) { |
| 926 | x = (*v->ob_type->tp_as_number->nb_power)(v, w, z); |
Guido van Rossum | df05ac6 | 1994-08-29 12:52:37 +0000 | [diff] [blame] | 927 | } |
Guido van Rossum | 6d023c9 | 1995-01-04 19:12:13 +0000 | [diff] [blame] | 928 | else { |
| 929 | object *v1, *z1, *w2, *z2; |
| 930 | x = NULL; |
| 931 | v1 = v; |
| 932 | z1 = z; |
| 933 | if (coerce(&v1, &z1) != 0) |
| 934 | goto error2; |
| 935 | w2 = w; |
| 936 | z2 = z1; |
| 937 | if (coerce(&w2, &z2) != 0) |
| 938 | goto error1; |
| 939 | x = (*v1->ob_type->tp_as_number->nb_power)(v1, w2, z2); |
| 940 | DECREF(w2); |
| 941 | DECREF(z2); |
| 942 | error1: |
| 943 | DECREF(v1); |
| 944 | DECREF(z1); |
| 945 | error2: |
| 946 | ; |
| 947 | } |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 948 | DECREF(v); |
| 949 | DECREF(w); |
| 950 | return x; |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 951 | } |
| 952 | |
| 953 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 954 | builtin_range(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 955 | object *self; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 956 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 957 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 958 | long ilow = 0, ihigh = 0, istep = 1; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 959 | int i, n; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 960 | object *v; |
| 961 | |
| 962 | if (gettuplesize(args) <= 1) { |
| 963 | if (!newgetargs(args, |
| 964 | "i;range() requires 1-3 int arguments", |
| 965 | &ihigh)) |
| 966 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 967 | } |
| 968 | else { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 969 | if (!newgetargs(args, |
| 970 | "ii|i;range() requires 1-3 int arguments", |
| 971 | &ilow, &ihigh, &istep)) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 972 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 973 | } |
| 974 | if (istep == 0) { |
Guido van Rossum | 50afb7a | 1991-12-10 13:52:31 +0000 | [diff] [blame] | 975 | err_setstr(ValueError, "zero step for range()"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 976 | return NULL; |
| 977 | } |
| 978 | /* XXX ought to check overflow of subtraction */ |
| 979 | if (istep > 0) |
| 980 | n = (ihigh - ilow + istep - 1) / istep; |
| 981 | else |
| 982 | n = (ihigh - ilow + istep + 1) / istep; |
| 983 | if (n < 0) |
| 984 | n = 0; |
| 985 | v = newlistobject(n); |
| 986 | if (v == NULL) |
| 987 | return NULL; |
| 988 | for (i = 0; i < n; i++) { |
| 989 | object *w = newintobject(ilow); |
| 990 | if (w == NULL) { |
| 991 | DECREF(v); |
| 992 | return NULL; |
| 993 | } |
| 994 | setlistitem(v, i, w); |
| 995 | ilow += istep; |
| 996 | } |
| 997 | return v; |
| 998 | } |
| 999 | |
| 1000 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1001 | builtin_xrange(self, args) |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1002 | object *self; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1003 | object *args; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1004 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1005 | long ilow = 0, ihigh = 0, istep = 1; |
| 1006 | int n; |
| 1007 | object *v; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1008 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1009 | if (gettuplesize(args) <= 1) { |
| 1010 | if (!newgetargs(args, |
| 1011 | "i;xrange() requires 1-3 int arguments", |
| 1012 | &ihigh)) |
| 1013 | return NULL; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1014 | } |
| 1015 | else { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1016 | if (!newgetargs(args, |
| 1017 | "ii|i;xrange() requires 1-3 int arguments", |
| 1018 | &ilow, &ihigh, &istep)) |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1019 | return NULL; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1020 | } |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1021 | if (istep == 0) { |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1022 | err_setstr(ValueError, "zero step for xrange()"); |
| 1023 | return NULL; |
| 1024 | } |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1025 | /* XXX ought to check overflow of subtraction */ |
| 1026 | if (istep > 0) |
| 1027 | n = (ihigh - ilow + istep - 1) / istep; |
| 1028 | else |
| 1029 | n = (ihigh - ilow + istep + 1) / istep; |
| 1030 | if (n < 0) |
| 1031 | n = 0; |
| 1032 | return newrangeobject(ilow, n, istep, 1); |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1033 | } |
| 1034 | |
| 1035 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1036 | builtin_raw_input(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1037 | object *self; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1038 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1039 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1040 | object *v = NULL; |
| 1041 | object *f; |
| 1042 | |
| 1043 | if (!newgetargs(args, "|O:[raw_]input", &v)) |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 1044 | return NULL; |
Guido van Rossum | 9093361 | 1991-06-07 16:10:43 +0000 | [diff] [blame] | 1045 | if (v != NULL) { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1046 | f = sysget("stdout"); |
| 1047 | if (f == NULL) { |
| 1048 | err_setstr(RuntimeError, "lost sys.stdout"); |
| 1049 | return NULL; |
| 1050 | } |
| 1051 | flushline(); |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 1052 | if (writeobject(v, f, PRINT_RAW) != 0) |
Guido van Rossum | 9093361 | 1991-06-07 16:10:43 +0000 | [diff] [blame] | 1053 | return NULL; |
| 1054 | } |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1055 | f = sysget("stdin"); |
| 1056 | if (f == NULL) { |
| 1057 | err_setstr(RuntimeError, "lost sys.stdin"); |
| 1058 | return NULL; |
| 1059 | } |
| 1060 | return filegetline(f, -1); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1061 | } |
| 1062 | |
| 1063 | static object * |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1064 | builtin_reduce(self, args) |
| 1065 | object *self; |
| 1066 | object *args; |
| 1067 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1068 | object *seq, *func, *result = NULL; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1069 | sequence_methods *sqf; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1070 | register int i; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1071 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1072 | if (!newgetargs(args, "OO|O:reduce", &func, &seq, &result)) |
| 1073 | return NULL; |
| 1074 | if (result != NULL) |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 1075 | INCREF(result); |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1076 | |
| 1077 | if ((sqf = seq->ob_type->tp_as_sequence) == NULL) { |
| 1078 | err_setstr(TypeError, |
| 1079 | "2nd argument to reduce() must be a sequence object"); |
| 1080 | return NULL; |
| 1081 | } |
| 1082 | |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1083 | if ((args = newtupleobject(2)) == NULL) |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 1084 | goto Fail; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1085 | |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 1086 | for (i = 0; ; ++i) { |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1087 | object *op2; |
| 1088 | |
| 1089 | if (args->ob_refcnt > 1) { |
| 1090 | DECREF(args); |
| 1091 | if ((args = newtupleobject(2)) == NULL) |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 1092 | goto Fail; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1093 | } |
| 1094 | |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 1095 | if ((op2 = (*sqf->sq_item)(seq, i)) == NULL) { |
| 1096 | if (err_occurred() == IndexError) { |
| 1097 | err_clear(); |
| 1098 | break; |
| 1099 | } |
| 1100 | goto Fail; |
| 1101 | } |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1102 | |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 1103 | if (result == NULL) |
| 1104 | result = op2; |
| 1105 | else { |
| 1106 | settupleitem(args, 0, result); |
| 1107 | settupleitem(args, 1, op2); |
| 1108 | if ((result = call_object(func, args)) == NULL) |
| 1109 | goto Fail; |
| 1110 | } |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1111 | } |
| 1112 | |
| 1113 | DECREF(args); |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1114 | |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 1115 | if (result == NULL) |
| 1116 | err_setstr(TypeError, |
| 1117 | "reduce of empty sequence with no initial value"); |
| 1118 | |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1119 | return result; |
| 1120 | |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 1121 | Fail: |
| 1122 | XDECREF(args); |
| 1123 | XDECREF(result); |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1124 | return NULL; |
| 1125 | } |
| 1126 | |
| 1127 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1128 | builtin_reload(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1129 | object *self; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1130 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1131 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1132 | object *v; |
| 1133 | |
| 1134 | if (!newgetargs(args, "O:reload", &v)) |
| 1135 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1136 | return reload_module(v); |
| 1137 | } |
| 1138 | |
| 1139 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1140 | builtin_repr(self, args) |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 1141 | object *self; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1142 | object *args; |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 1143 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1144 | object *v; |
| 1145 | |
| 1146 | if (!newgetargs(args, "O:repr", &v)) |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 1147 | return NULL; |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 1148 | return reprobject(v); |
| 1149 | } |
| 1150 | |
| 1151 | static object * |
Guido van Rossum | 9e51f9b | 1993-02-12 16:29:05 +0000 | [diff] [blame] | 1152 | builtin_round(self, args) |
| 1153 | object *self; |
| 1154 | object *args; |
| 1155 | { |
| 1156 | extern double floor PROTO((double)); |
| 1157 | extern double ceil PROTO((double)); |
| 1158 | double x; |
| 1159 | double f; |
| 1160 | int ndigits = 0; |
Guido van Rossum | 9e51f9b | 1993-02-12 16:29:05 +0000 | [diff] [blame] | 1161 | int i; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1162 | |
| 1163 | if (!newgetargs(args, "d|i:round", &x, &ndigits)) |
Guido van Rossum | 9e51f9b | 1993-02-12 16:29:05 +0000 | [diff] [blame] | 1164 | return NULL; |
Guido van Rossum | 9e51f9b | 1993-02-12 16:29:05 +0000 | [diff] [blame] | 1165 | f = 1.0; |
| 1166 | for (i = ndigits; --i >= 0; ) |
| 1167 | f = f*10.0; |
| 1168 | for (i = ndigits; ++i <= 0; ) |
| 1169 | f = f*0.1; |
| 1170 | if (x >= 0.0) |
| 1171 | return newfloatobject(floor(x*f + 0.5) / f); |
| 1172 | else |
| 1173 | return newfloatobject(ceil(x*f - 0.5) / f); |
| 1174 | } |
| 1175 | |
| 1176 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1177 | builtin_str(self, args) |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 1178 | object *self; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1179 | object *args; |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 1180 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1181 | object *v; |
| 1182 | |
| 1183 | if (!newgetargs(args, "O:str", &v)) |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 1184 | return NULL; |
Guido van Rossum | c600411 | 1993-11-05 10:22:19 +0000 | [diff] [blame] | 1185 | return strobject(v); |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 1186 | } |
| 1187 | |
| 1188 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1189 | builtin_tuple(self, args) |
Guido van Rossum | cae027b | 1994-08-29 12:53:11 +0000 | [diff] [blame] | 1190 | object *self; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1191 | object *args; |
Guido van Rossum | cae027b | 1994-08-29 12:53:11 +0000 | [diff] [blame] | 1192 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1193 | object *v; |
Guido van Rossum | cae027b | 1994-08-29 12:53:11 +0000 | [diff] [blame] | 1194 | sequence_methods *sqf; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1195 | |
| 1196 | if (!newgetargs(args, "O:tuple", &v)) |
| 1197 | return NULL; |
Guido van Rossum | cae027b | 1994-08-29 12:53:11 +0000 | [diff] [blame] | 1198 | if (is_tupleobject(v)) { |
| 1199 | INCREF(v); |
| 1200 | return v; |
| 1201 | } |
Guido van Rossum | e4ab647 | 1994-08-30 12:38:05 +0000 | [diff] [blame] | 1202 | if (is_listobject(v)) |
| 1203 | return listtuple(v); |
Guido van Rossum | cae027b | 1994-08-29 12:53:11 +0000 | [diff] [blame] | 1204 | if (is_stringobject(v)) { |
| 1205 | int n = getstringsize(v); |
| 1206 | object *t = newtupleobject(n); |
| 1207 | if (t != NULL) { |
| 1208 | int i; |
| 1209 | char *p = getstringvalue(v); |
| 1210 | for (i = 0; i < n; i++) { |
| 1211 | object *item = newsizedstringobject(p+i, 1); |
| 1212 | if (item == NULL) { |
| 1213 | DECREF(t); |
| 1214 | t = NULL; |
| 1215 | break; |
| 1216 | } |
| 1217 | settupleitem(t, i, item); |
| 1218 | } |
| 1219 | } |
| 1220 | return t; |
| 1221 | } |
| 1222 | /* Generic sequence object */ |
| 1223 | if ((sqf = v->ob_type->tp_as_sequence) != NULL) { |
| 1224 | int n = (*sqf->sq_length)(v); |
| 1225 | int i; |
| 1226 | object *t; |
| 1227 | if (n < 0) |
| 1228 | return NULL; |
| 1229 | t = newtupleobject(n); |
| 1230 | if (t == NULL) |
| 1231 | return NULL; |
| 1232 | for (i = 0; i < n; i++) { |
| 1233 | object *item = (*sqf->sq_item)(v, i); |
| 1234 | if (item == NULL) { |
| 1235 | DECREF(t); |
| 1236 | t = NULL; |
| 1237 | break; |
| 1238 | } |
| 1239 | settupleitem(t, i, item); |
| 1240 | } |
| 1241 | /* XXX Should support indefinite-length sequences */ |
| 1242 | return t; |
| 1243 | } |
| 1244 | /* None of the above */ |
| 1245 | err_setstr(TypeError, "tuple() argument must be a sequence"); |
| 1246 | return NULL; |
| 1247 | } |
| 1248 | |
| 1249 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1250 | builtin_type(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1251 | object *self; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1252 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1253 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1254 | object *v; |
| 1255 | |
| 1256 | if (!newgetargs(args, "O:type", &v)) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1257 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1258 | v = (object *)v->ob_type; |
| 1259 | INCREF(v); |
| 1260 | return v; |
| 1261 | } |
| 1262 | |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 1263 | static object * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1264 | builtin_vars(self, args) |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 1265 | object *self; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1266 | object *args; |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 1267 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1268 | object *v = NULL; |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 1269 | object *d; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1270 | |
| 1271 | if (!newgetargs(args, "|O:vars", &v)) |
| 1272 | return NULL; |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 1273 | if (v == NULL) { |
| 1274 | d = getlocals(); |
| 1275 | INCREF(d); |
| 1276 | } |
| 1277 | else { |
| 1278 | d = getattr(v, "__dict__"); |
| 1279 | if (d == NULL) { |
| 1280 | err_setstr(TypeError, |
| 1281 | "vars() argument must have __dict__ attribute"); |
| 1282 | return NULL; |
| 1283 | } |
| 1284 | } |
| 1285 | return d; |
| 1286 | } |
| 1287 | |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1288 | static struct methodlist builtin_methods[] = { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1289 | {"__import__", builtin___import__, 1}, |
| 1290 | {"abs", builtin_abs, 1}, |
| 1291 | {"apply", builtin_apply, 1}, |
| 1292 | {"callable", builtin_callable, 1}, |
| 1293 | {"chr", builtin_chr, 1}, |
| 1294 | {"cmp", builtin_cmp, 1}, |
| 1295 | {"coerce", builtin_coerce, 1}, |
| 1296 | {"compile", builtin_compile, 1}, |
| 1297 | {"delattr", builtin_delattr, 1}, |
| 1298 | {"dir", builtin_dir, 1}, |
| 1299 | {"divmod", builtin_divmod, 1}, |
| 1300 | {"eval", builtin_eval, 1}, |
| 1301 | {"execfile", builtin_execfile, 1}, |
| 1302 | {"filter", builtin_filter, 1}, |
| 1303 | {"float", builtin_float, 1}, |
| 1304 | {"getattr", builtin_getattr, 1}, |
| 1305 | {"hasattr", builtin_hasattr, 1}, |
| 1306 | {"hash", builtin_hash, 1}, |
| 1307 | {"hex", builtin_hex, 1}, |
| 1308 | {"id", builtin_id, 1}, |
| 1309 | {"input", builtin_input, 1}, |
| 1310 | {"int", builtin_int, 1}, |
| 1311 | {"len", builtin_len, 1}, |
| 1312 | {"long", builtin_long, 1}, |
| 1313 | {"map", builtin_map, 1}, |
| 1314 | {"max", builtin_max, 1}, |
| 1315 | {"min", builtin_min, 1}, |
| 1316 | {"oct", builtin_oct, 1}, |
| 1317 | {"open", builtin_open, 1}, |
| 1318 | {"ord", builtin_ord, 1}, |
Guido van Rossum | 030ae17 | 1994-11-10 22:33:19 +0000 | [diff] [blame] | 1319 | {"pow", builtin_pow, 1}, |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1320 | {"range", builtin_range, 1}, |
| 1321 | {"raw_input", builtin_raw_input, 1}, |
| 1322 | {"reduce", builtin_reduce, 1}, |
| 1323 | {"reload", builtin_reload, 1}, |
| 1324 | {"repr", builtin_repr, 1}, |
| 1325 | {"round", builtin_round, 1}, |
| 1326 | {"setattr", builtin_setattr, 1}, |
| 1327 | {"str", builtin_str, 1}, |
| 1328 | {"tuple", builtin_tuple, 1}, |
| 1329 | {"type", builtin_type, 1}, |
| 1330 | {"vars", builtin_vars, 1}, |
| 1331 | {"xrange", builtin_xrange, 1}, |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 1332 | {NULL, NULL}, |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1333 | }; |
| 1334 | |
| 1335 | static object *builtin_dict; |
| 1336 | |
| 1337 | object * |
| 1338 | getbuiltin(name) |
Guido van Rossum | a57fb01 | 1991-08-16 08:54:58 +0000 | [diff] [blame] | 1339 | object *name; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1340 | { |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 1341 | return mappinglookup(builtin_dict, name); |
| 1342 | } |
| 1343 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1344 | object * |
| 1345 | getbuiltins(name) |
| 1346 | char *name; |
| 1347 | { |
| 1348 | return dictlookup(builtin_dict, name); |
| 1349 | } |
| 1350 | |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 1351 | int |
| 1352 | setbuiltin(cname, value) |
| 1353 | char *cname; |
| 1354 | object *value; |
| 1355 | { |
| 1356 | return dictinsert(builtin_dict, cname, value); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1357 | } |
| 1358 | |
| 1359 | /* Predefined exceptions */ |
| 1360 | |
Guido van Rossum | 2583165 | 1993-05-19 14:50:45 +0000 | [diff] [blame] | 1361 | object *AccessError; |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1362 | object *AttributeError; |
Guido van Rossum | 2583165 | 1993-05-19 14:50:45 +0000 | [diff] [blame] | 1363 | object *ConflictError; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1364 | object *EOFError; |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1365 | object *IOError; |
Guido van Rossum | ed7711b | 1991-12-24 13:24:53 +0000 | [diff] [blame] | 1366 | object *ImportError; |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1367 | object *IndexError; |
| 1368 | object *KeyError; |
| 1369 | object *KeyboardInterrupt; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1370 | object *MemoryError; |
| 1371 | object *NameError; |
Guido van Rossum | 50afb7a | 1991-12-10 13:52:31 +0000 | [diff] [blame] | 1372 | object *OverflowError; |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1373 | object *RuntimeError; |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 1374 | object *SyntaxError; |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1375 | object *SystemError; |
Guido van Rossum | 768a3f0 | 1991-12-31 13:13:47 +0000 | [diff] [blame] | 1376 | object *SystemExit; |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1377 | object *TypeError; |
| 1378 | object *ValueError; |
| 1379 | object *ZeroDivisionError; |
Guido van Rossum | 50afb7a | 1991-12-10 13:52:31 +0000 | [diff] [blame] | 1380 | |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1381 | static object * |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1382 | newstdexception(name) |
| 1383 | char *name; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1384 | { |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1385 | object *v = newstringobject(name); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1386 | if (v == NULL || dictinsert(builtin_dict, name, v) != 0) |
| 1387 | fatal("no mem for new standard exception"); |
| 1388 | return v; |
| 1389 | } |
| 1390 | |
| 1391 | static void |
| 1392 | initerrors() |
| 1393 | { |
Guido van Rossum | 2583165 | 1993-05-19 14:50:45 +0000 | [diff] [blame] | 1394 | AccessError = newstdexception("AccessError"); |
Guido van Rossum | ed7711b | 1991-12-24 13:24:53 +0000 | [diff] [blame] | 1395 | AttributeError = newstdexception("AttributeError"); |
Guido van Rossum | 2583165 | 1993-05-19 14:50:45 +0000 | [diff] [blame] | 1396 | ConflictError = newstdexception("ConflictError"); |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1397 | EOFError = newstdexception("EOFError"); |
Guido van Rossum | ed7711b | 1991-12-24 13:24:53 +0000 | [diff] [blame] | 1398 | IOError = newstdexception("IOError"); |
| 1399 | ImportError = newstdexception("ImportError"); |
| 1400 | IndexError = newstdexception("IndexError"); |
| 1401 | KeyError = newstdexception("KeyError"); |
| 1402 | KeyboardInterrupt = newstdexception("KeyboardInterrupt"); |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1403 | MemoryError = newstdexception("MemoryError"); |
| 1404 | NameError = newstdexception("NameError"); |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1405 | OverflowError = newstdexception("OverflowError"); |
Guido van Rossum | ed7711b | 1991-12-24 13:24:53 +0000 | [diff] [blame] | 1406 | RuntimeError = newstdexception("RuntimeError"); |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 1407 | SyntaxError = newstdexception("SyntaxError"); |
Guido van Rossum | ed7711b | 1991-12-24 13:24:53 +0000 | [diff] [blame] | 1408 | SystemError = newstdexception("SystemError"); |
Guido van Rossum | 768a3f0 | 1991-12-31 13:13:47 +0000 | [diff] [blame] | 1409 | SystemExit = newstdexception("SystemExit"); |
Guido van Rossum | ed7711b | 1991-12-24 13:24:53 +0000 | [diff] [blame] | 1410 | TypeError = newstdexception("TypeError"); |
| 1411 | ValueError = newstdexception("ValueError"); |
| 1412 | ZeroDivisionError = newstdexception("ZeroDivisionError"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1413 | } |
| 1414 | |
| 1415 | void |
| 1416 | initbuiltin() |
| 1417 | { |
| 1418 | object *m; |
Guido van Rossum | 89b3325 | 1993-10-22 14:26:06 +0000 | [diff] [blame] | 1419 | m = initmodule("__builtin__", builtin_methods); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1420 | builtin_dict = getmoduledict(m); |
| 1421 | INCREF(builtin_dict); |
| 1422 | initerrors(); |
| 1423 | (void) dictinsert(builtin_dict, "None", None); |
| 1424 | } |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 1425 | |
| 1426 | /* Coerce two numeric types to the "larger" one. |
| 1427 | Increment the reference count on each argument. |
| 1428 | Return -1 and raise an exception if no coercion is possible |
| 1429 | (and then no reference count is incremented). |
Guido van Rossum | e6eefc2 | 1992-08-14 12:06:52 +0000 | [diff] [blame] | 1430 | */ |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 1431 | |
| 1432 | int |
| 1433 | coerce(pv, pw) |
| 1434 | object **pv, **pw; |
| 1435 | { |
| 1436 | register object *v = *pv; |
| 1437 | register object *w = *pw; |
Guido van Rossum | e6eefc2 | 1992-08-14 12:06:52 +0000 | [diff] [blame] | 1438 | int res; |
| 1439 | |
Guido van Rossum | 9e51f9b | 1993-02-12 16:29:05 +0000 | [diff] [blame] | 1440 | if (v->ob_type == w->ob_type && !is_instanceobject(v)) { |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 1441 | INCREF(v); |
| 1442 | INCREF(w); |
| 1443 | return 0; |
| 1444 | } |
Guido van Rossum | e6eefc2 | 1992-08-14 12:06:52 +0000 | [diff] [blame] | 1445 | if (v->ob_type->tp_as_number && v->ob_type->tp_as_number->nb_coerce) { |
| 1446 | res = (*v->ob_type->tp_as_number->nb_coerce)(pv, pw); |
| 1447 | if (res <= 0) |
| 1448 | return res; |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 1449 | } |
Guido van Rossum | e6eefc2 | 1992-08-14 12:06:52 +0000 | [diff] [blame] | 1450 | if (w->ob_type->tp_as_number && w->ob_type->tp_as_number->nb_coerce) { |
| 1451 | res = (*w->ob_type->tp_as_number->nb_coerce)(pw, pv); |
| 1452 | if (res <= 0) |
| 1453 | return res; |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 1454 | } |
Guido van Rossum | e6eefc2 | 1992-08-14 12:06:52 +0000 | [diff] [blame] | 1455 | err_setstr(TypeError, "number coercion failed"); |
| 1456 | return -1; |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 1457 | } |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1458 | |
| 1459 | |
Guido van Rossum | e77a757 | 1993-11-03 15:01:26 +0000 | [diff] [blame] | 1460 | /* Helper for filter(): filter a tuple through a function */ |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1461 | |
| 1462 | static object * |
| 1463 | filtertuple(func, tuple) |
| 1464 | object *func; |
| 1465 | object *tuple; |
| 1466 | { |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 1467 | object *result; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1468 | register int i, j; |
Guido van Rossum | 2586bf0 | 1993-11-01 16:21:44 +0000 | [diff] [blame] | 1469 | int len = gettuplesize(tuple); |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1470 | |
Guido van Rossum | 2586bf0 | 1993-11-01 16:21:44 +0000 | [diff] [blame] | 1471 | if ((result = newtupleobject(len)) == NULL) |
| 1472 | return NULL; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1473 | |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1474 | for (i = j = 0; i < len; ++i) { |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 1475 | object *item, *good; |
| 1476 | int ok; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1477 | |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 1478 | if ((item = gettupleitem(tuple, i)) == NULL) |
| 1479 | goto Fail_1; |
| 1480 | if (func == None) { |
| 1481 | INCREF(item); |
| 1482 | good = item; |
| 1483 | } |
| 1484 | else { |
| 1485 | object *arg = mkvalue("(O)", item); |
| 1486 | if (arg == NULL) |
| 1487 | goto Fail_1; |
| 1488 | good = call_object(func, arg); |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1489 | DECREF(arg); |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 1490 | if (good == NULL) |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1491 | goto Fail_1; |
| 1492 | } |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 1493 | ok = testbool(good); |
| 1494 | DECREF(good); |
| 1495 | if (ok) { |
| 1496 | INCREF(item); |
| 1497 | if (settupleitem(result, j++, item) < 0) |
| 1498 | goto Fail_1; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1499 | } |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1500 | } |
| 1501 | |
Sjoerd Mullender | 615194a | 1993-11-01 13:46:50 +0000 | [diff] [blame] | 1502 | if (resizetuple(&result, j, 0) < 0) |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1503 | return NULL; |
| 1504 | |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1505 | return result; |
| 1506 | |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1507 | Fail_1: |
Guido van Rossum | 2586bf0 | 1993-11-01 16:21:44 +0000 | [diff] [blame] | 1508 | DECREF(result); |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1509 | return NULL; |
| 1510 | } |
| 1511 | |
| 1512 | |
Guido van Rossum | e77a757 | 1993-11-03 15:01:26 +0000 | [diff] [blame] | 1513 | /* Helper for filter(): filter a string through a function */ |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1514 | |
| 1515 | static object * |
| 1516 | filterstring(func, strobj) |
| 1517 | object *func; |
| 1518 | object *strobj; |
| 1519 | { |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 1520 | object *result; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1521 | register int i, j; |
Guido van Rossum | 2586bf0 | 1993-11-01 16:21:44 +0000 | [diff] [blame] | 1522 | int len = getstringsize(strobj); |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1523 | |
Guido van Rossum | 2586bf0 | 1993-11-01 16:21:44 +0000 | [diff] [blame] | 1524 | if (func == None) { |
| 1525 | /* No character is ever false -- share input string */ |
Guido van Rossum | 2d95185 | 1994-08-29 12:52:16 +0000 | [diff] [blame] | 1526 | INCREF(strobj); |
| 1527 | return strobj; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1528 | } |
Guido van Rossum | 2586bf0 | 1993-11-01 16:21:44 +0000 | [diff] [blame] | 1529 | if ((result = newsizedstringobject(NULL, len)) == NULL) |
| 1530 | return NULL; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1531 | |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1532 | for (i = j = 0; i < len; ++i) { |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 1533 | object *item, *arg, *good; |
| 1534 | int ok; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1535 | |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 1536 | item = (*strobj->ob_type->tp_as_sequence->sq_item)(strobj, i); |
| 1537 | if (item == NULL) |
| 1538 | goto Fail_1; |
| 1539 | arg = mkvalue("(O)", item); |
| 1540 | DECREF(item); |
| 1541 | if (arg == NULL) |
| 1542 | goto Fail_1; |
| 1543 | good = call_object(func, arg); |
| 1544 | DECREF(arg); |
| 1545 | if (good == NULL) |
| 1546 | goto Fail_1; |
| 1547 | ok = testbool(good); |
| 1548 | DECREF(good); |
| 1549 | if (ok) |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1550 | GETSTRINGVALUE((stringobject *)result)[j++] = |
Guido van Rossum | dc4b93d | 1993-10-27 14:56:44 +0000 | [diff] [blame] | 1551 | GETSTRINGVALUE((stringobject *)item)[0]; |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1552 | } |
| 1553 | |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1554 | if (resizestring(&result, j) < 0) |
| 1555 | return NULL; |
| 1556 | |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1557 | return result; |
| 1558 | |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1559 | Fail_1: |
Guido van Rossum | 2586bf0 | 1993-11-01 16:21:44 +0000 | [diff] [blame] | 1560 | DECREF(result); |
Guido van Rossum | 12d12c5 | 1993-10-26 17:58:25 +0000 | [diff] [blame] | 1561 | return NULL; |
| 1562 | } |