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" |
| 31 | #include "errcode.h" |
| 32 | #include "sysmodule.h" |
Guido van Rossum | 86cd6e6 | 1991-01-21 15:12:35 +0000 | [diff] [blame] | 33 | #include "bltinmodule.h" |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 34 | #include "import.h" |
| 35 | #include "pythonrun.h" |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 36 | #include "ceval.h" |
| 37 | #include "modsupport.h" |
| 38 | |
| 39 | static object * |
| 40 | builtin_abs(self, v) |
| 41 | object *self; |
| 42 | object *v; |
| 43 | { |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 44 | number_methods *nm; |
| 45 | if (v == NULL || (nm = v->ob_type->tp_as_number) == NULL) { |
| 46 | err_setstr(TypeError, "abs() requires numeric argument"); |
| 47 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 48 | } |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 49 | return (*nm->nb_absolute)(v); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 50 | } |
| 51 | |
| 52 | static object * |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 53 | builtin_apply(self, args) |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 54 | object *self; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 55 | object *args; |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 56 | { |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 57 | object *func, *arglist; |
| 58 | if (!getargs(args, "(OO)", &func, &arglist)) |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 59 | return NULL; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 60 | return call_object(func, arglist); |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 61 | } |
| 62 | |
| 63 | static object * |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 64 | builtin_chr(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 65 | object *self; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 66 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 67 | { |
| 68 | long x; |
| 69 | char s[1]; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 70 | if (!getargs(args, "l", &x)) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 71 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 72 | if (x < 0 || x >= 256) { |
Guido van Rossum | 50afb7a | 1991-12-10 13:52:31 +0000 | [diff] [blame] | 73 | err_setstr(ValueError, "chr() arg not in range(256)"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 74 | return NULL; |
| 75 | } |
| 76 | s[0] = x; |
| 77 | return newsizedstringobject(s, 1); |
| 78 | } |
| 79 | |
| 80 | static object * |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 81 | builtin_cmp(self, args) |
| 82 | object *self; |
| 83 | object *args; |
| 84 | { |
| 85 | object *a, *b; |
| 86 | if (!getargs(args, "(OO)", &a, &b)) |
| 87 | return NULL; |
| 88 | return newintobject((long)cmpobject(a, b)); |
| 89 | } |
| 90 | |
| 91 | static object * |
Guido van Rossum | 04691fc | 1992-08-12 15:35:34 +0000 | [diff] [blame] | 92 | builtin_coerce(self, args) |
| 93 | object *self; |
| 94 | object *args; |
| 95 | { |
| 96 | object *v, *w; |
| 97 | object *res; |
| 98 | |
| 99 | if (!getargs(args, "(OO)", &v, &w)) |
| 100 | return NULL; |
| 101 | if (coerce(&v, &w) < 0) |
| 102 | return NULL; |
| 103 | res = mkvalue("(OO)", v, w); |
| 104 | DECREF(v); |
| 105 | DECREF(w); |
| 106 | return res; |
| 107 | } |
| 108 | |
| 109 | static object * |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 110 | builtin_dir(self, v) |
| 111 | object *self; |
| 112 | object *v; |
| 113 | { |
| 114 | object *d; |
| 115 | if (v == NULL) { |
| 116 | d = getlocals(); |
Guido van Rossum | dc8a108 | 1991-10-20 20:11:03 +0000 | [diff] [blame] | 117 | INCREF(d); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 118 | } |
| 119 | else { |
Guido van Rossum | dc8a108 | 1991-10-20 20:11:03 +0000 | [diff] [blame] | 120 | d = getattr(v, "__dict__"); |
| 121 | if (d == NULL) { |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 122 | err_setstr(TypeError, |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 123 | "dir() argument must have __dict__ attribute"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 124 | return NULL; |
| 125 | } |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 126 | } |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 127 | if (is_dictobject(d)) { |
Guido van Rossum | dc8a108 | 1991-10-20 20:11:03 +0000 | [diff] [blame] | 128 | v = getdictkeys(d); |
| 129 | if (sortlist(v) != 0) { |
| 130 | DECREF(v); |
| 131 | v = NULL; |
| 132 | } |
| 133 | } |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 134 | else { |
| 135 | v = newlistobject(0); |
| 136 | } |
Guido van Rossum | dc8a108 | 1991-10-20 20:11:03 +0000 | [diff] [blame] | 137 | DECREF(d); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 138 | return v; |
| 139 | } |
| 140 | |
| 141 | static object * |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 142 | builtin_divmod(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 143 | object *self; |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 144 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 145 | { |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 146 | object *v, *w, *x; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 147 | if (!getargs(args, "(OO)", &v, &w)) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 148 | return NULL; |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 149 | if (v->ob_type->tp_as_number == NULL || |
| 150 | w->ob_type->tp_as_number == NULL) { |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 151 | err_setstr(TypeError, "divmod() requires numeric arguments"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 152 | return NULL; |
| 153 | } |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 154 | if (coerce(&v, &w) != 0) |
| 155 | return NULL; |
| 156 | x = (*v->ob_type->tp_as_number->nb_divmod)(v, w); |
| 157 | DECREF(v); |
| 158 | DECREF(w); |
| 159 | return x; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 160 | } |
| 161 | |
| 162 | static object * |
| 163 | exec_eval(v, start) |
| 164 | object *v; |
| 165 | int start; |
| 166 | { |
| 167 | object *str = NULL, *globals = NULL, *locals = NULL; |
Guido van Rossum | f08ab0a | 1992-03-04 16:41:41 +0000 | [diff] [blame] | 168 | char *s; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 169 | int n; |
| 170 | if (v != NULL) { |
| 171 | if (is_stringobject(v)) |
| 172 | str = v; |
| 173 | else if (is_tupleobject(v) && |
| 174 | ((n = gettuplesize(v)) == 2 || n == 3)) { |
| 175 | str = gettupleitem(v, 0); |
| 176 | globals = gettupleitem(v, 1); |
| 177 | if (n == 3) |
| 178 | locals = gettupleitem(v, 2); |
| 179 | } |
| 180 | } |
| 181 | if (str == NULL || !is_stringobject(str) || |
| 182 | globals != NULL && !is_dictobject(globals) || |
| 183 | locals != NULL && !is_dictobject(locals)) { |
| 184 | err_setstr(TypeError, |
| 185 | "exec/eval arguments must be string[,dict[,dict]]"); |
| 186 | return NULL; |
| 187 | } |
Guido van Rossum | f08ab0a | 1992-03-04 16:41:41 +0000 | [diff] [blame] | 188 | s = getstringvalue(str); |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 189 | if (strlen(s) != getstringsize(str)) { |
| 190 | err_setstr(ValueError, "embedded '\\0' in string arg"); |
| 191 | return NULL; |
| 192 | } |
Guido van Rossum | f08ab0a | 1992-03-04 16:41:41 +0000 | [diff] [blame] | 193 | if (start == eval_input) { |
| 194 | while (*s == ' ' || *s == '\t') |
| 195 | s++; |
| 196 | } |
| 197 | return run_string(s, start, globals, locals); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 198 | } |
| 199 | |
| 200 | static object * |
| 201 | builtin_eval(self, v) |
| 202 | object *self; |
| 203 | object *v; |
| 204 | { |
| 205 | return exec_eval(v, eval_input); |
| 206 | } |
| 207 | |
| 208 | static object * |
| 209 | builtin_exec(self, v) |
| 210 | object *self; |
| 211 | object *v; |
| 212 | { |
| 213 | return exec_eval(v, file_input); |
| 214 | } |
| 215 | |
| 216 | static object * |
Guido van Rossum | 0f61f8a | 1992-02-25 18:55:05 +0000 | [diff] [blame] | 217 | builtin_execfile(self, v) |
| 218 | object *self; |
| 219 | object *v; |
| 220 | { |
| 221 | object *str = NULL, *globals = NULL, *locals = NULL, *w; |
| 222 | FILE* fp; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 223 | char *s; |
Guido van Rossum | 0f61f8a | 1992-02-25 18:55:05 +0000 | [diff] [blame] | 224 | int n; |
| 225 | if (v != NULL) { |
| 226 | if (is_stringobject(v)) |
| 227 | str = v; |
| 228 | else if (is_tupleobject(v) && |
| 229 | ((n = gettuplesize(v)) == 2 || n == 3)) { |
| 230 | str = gettupleitem(v, 0); |
| 231 | globals = gettupleitem(v, 1); |
| 232 | if (n == 3) |
| 233 | locals = gettupleitem(v, 2); |
| 234 | } |
| 235 | } |
| 236 | if (str == NULL || !is_stringobject(str) || |
| 237 | globals != NULL && !is_dictobject(globals) || |
| 238 | locals != NULL && !is_dictobject(locals)) { |
| 239 | err_setstr(TypeError, |
| 240 | "execfile arguments must be filename[,dict[,dict]]"); |
| 241 | return NULL; |
| 242 | } |
Guido van Rossum | 2b81dc9 | 1992-08-19 16:40:53 +0000 | [diff] [blame] | 243 | s = getstringvalue(str); |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 244 | if (strlen(s) != getstringsize(str)) { |
| 245 | err_setstr(ValueError, "embedded '\\0' in string arg"); |
| 246 | return NULL; |
| 247 | } |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 248 | BGN_SAVE |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 249 | fp = fopen(s, "r"); |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 250 | END_SAVE |
Guido van Rossum | 0f61f8a | 1992-02-25 18:55:05 +0000 | [diff] [blame] | 251 | if (fp == NULL) { |
| 252 | err_setstr(IOError, "execfile cannot open the file argument"); |
| 253 | return NULL; |
| 254 | } |
| 255 | w = run_file(fp, getstringvalue(str), file_input, globals, locals); |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 256 | BGN_SAVE |
Guido van Rossum | 0f61f8a | 1992-02-25 18:55:05 +0000 | [diff] [blame] | 257 | fclose(fp); |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 258 | END_SAVE |
Guido van Rossum | 0f61f8a | 1992-02-25 18:55:05 +0000 | [diff] [blame] | 259 | return w; |
| 260 | } |
| 261 | |
| 262 | static object * |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 263 | builtin_float(self, v) |
| 264 | object *self; |
| 265 | object *v; |
| 266 | { |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 267 | number_methods *nb; |
| 268 | |
| 269 | if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL || |
| 270 | nb->nb_float == NULL) { |
| 271 | err_setstr(TypeError, |
| 272 | "float() argument can't be converted to float"); |
| 273 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 274 | } |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 275 | return (*nb->nb_float)(v); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 276 | } |
| 277 | |
| 278 | static object * |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 279 | builtin_getattr(self, args) |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 280 | object *self; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 281 | object *args; |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 282 | { |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 283 | object *v; |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame^] | 284 | object *name; |
| 285 | if (!getargs(args, "(OS)", &v, &name)) |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 286 | return NULL; |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame^] | 287 | return getattro(v, name); |
| 288 | } |
| 289 | |
| 290 | static object * |
| 291 | builtin_hasattr(self, args) |
| 292 | object *self; |
| 293 | object *args; |
| 294 | { |
| 295 | object *v; |
| 296 | object *name; |
| 297 | if (!getargs(args, "(OS)", &v, &name)) |
| 298 | return NULL; |
| 299 | v = getattro(v, name); |
| 300 | if (v == NULL) { |
| 301 | err_clear(); |
| 302 | return newintobject(0L); |
| 303 | } |
| 304 | DECREF(v); |
| 305 | return newintobject(1L); |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 306 | } |
| 307 | |
| 308 | static object * |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 309 | builtin_setattr(self, args) |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 310 | object *self; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 311 | object *args; |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 312 | { |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 313 | object *v; |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame^] | 314 | object *name; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 315 | object *value; |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame^] | 316 | if (!getargs(args, "(OSO)", &v, &name, &value)) |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 317 | return NULL; |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame^] | 318 | if (setattro(v, name, value) != 0) |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 319 | return NULL; |
| 320 | INCREF(None); |
| 321 | return None; |
| 322 | } |
| 323 | |
| 324 | static object * |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame^] | 325 | builtin_hash(self, args) |
| 326 | object *self; |
| 327 | object *args; |
| 328 | { |
| 329 | object *v; |
| 330 | long x; |
| 331 | if (!getargs(args, "O", &v)) |
| 332 | return NULL; |
| 333 | x = hashobject(v); |
| 334 | if (x == -1) |
| 335 | return NULL; |
| 336 | return newintobject(x); |
| 337 | } |
| 338 | |
| 339 | static object * |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 340 | builtin_hex(self, v) |
| 341 | object *self; |
| 342 | object *v; |
| 343 | { |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 344 | number_methods *nb; |
| 345 | |
| 346 | if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL || |
| 347 | nb->nb_hex == NULL) { |
| 348 | err_setstr(TypeError, |
| 349 | "hex() argument can't be converted to hex"); |
| 350 | return NULL; |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 351 | } |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 352 | return (*nb->nb_hex)(v); |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 353 | } |
| 354 | |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 355 | static object *builtin_raw_input PROTO((object *, object *)); |
| 356 | |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 357 | static object * |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 358 | builtin_input(self, v) |
| 359 | object *self; |
| 360 | object *v; |
| 361 | { |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 362 | object *line = builtin_raw_input(self, v); |
| 363 | if (line == NULL) |
| 364 | return line; |
| 365 | v = exec_eval(line, eval_input); |
| 366 | DECREF(line); |
| 367 | return v; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 368 | } |
| 369 | |
| 370 | static object * |
| 371 | builtin_int(self, v) |
| 372 | object *self; |
| 373 | object *v; |
| 374 | { |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 375 | number_methods *nb; |
| 376 | |
| 377 | if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL || |
| 378 | nb->nb_int == NULL) { |
| 379 | err_setstr(TypeError, |
| 380 | "int() argument can't be converted to int"); |
| 381 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 382 | } |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 383 | return (*nb->nb_int)(v); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 384 | } |
| 385 | |
| 386 | static object * |
| 387 | builtin_len(self, v) |
| 388 | object *self; |
| 389 | object *v; |
| 390 | { |
| 391 | long len; |
| 392 | typeobject *tp; |
| 393 | if (v == NULL) { |
| 394 | err_setstr(TypeError, "len() without argument"); |
| 395 | return NULL; |
| 396 | } |
| 397 | tp = v->ob_type; |
| 398 | if (tp->tp_as_sequence != NULL) { |
| 399 | len = (*tp->tp_as_sequence->sq_length)(v); |
| 400 | } |
| 401 | else if (tp->tp_as_mapping != NULL) { |
| 402 | len = (*tp->tp_as_mapping->mp_length)(v); |
| 403 | } |
| 404 | else { |
| 405 | err_setstr(TypeError, "len() of unsized object"); |
| 406 | return NULL; |
| 407 | } |
Guido van Rossum | 04691fc | 1992-08-12 15:35:34 +0000 | [diff] [blame] | 408 | if (len < 0) |
| 409 | return NULL; |
| 410 | else |
| 411 | return newintobject(len); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 412 | } |
| 413 | |
| 414 | static object * |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 415 | builtin_long(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_long == NULL) { |
| 423 | err_setstr(TypeError, |
| 424 | "long() argument can't be converted to long"); |
| 425 | return NULL; |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 426 | } |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 427 | return (*nb->nb_long)(v); |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 428 | } |
| 429 | |
| 430 | static object * |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 431 | min_max(v, sign) |
| 432 | object *v; |
| 433 | int sign; |
| 434 | { |
| 435 | int i, n, cmp; |
| 436 | object *w, *x; |
| 437 | sequence_methods *sq; |
| 438 | if (v == NULL) { |
| 439 | err_setstr(TypeError, "min() or max() without argument"); |
| 440 | return NULL; |
| 441 | } |
| 442 | sq = v->ob_type->tp_as_sequence; |
| 443 | if (sq == NULL) { |
| 444 | err_setstr(TypeError, "min() or max() of non-sequence"); |
| 445 | return NULL; |
| 446 | } |
| 447 | n = (*sq->sq_length)(v); |
Guido van Rossum | d014ea6 | 1992-11-26 10:30:26 +0000 | [diff] [blame] | 448 | if (n < 0) |
| 449 | return NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 450 | if (n == 0) { |
Guido van Rossum | 50afb7a | 1991-12-10 13:52:31 +0000 | [diff] [blame] | 451 | err_setstr(ValueError, "min() or max() of empty sequence"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 452 | return NULL; |
| 453 | } |
| 454 | w = (*sq->sq_item)(v, 0); /* Implies INCREF */ |
| 455 | for (i = 1; i < n; i++) { |
| 456 | x = (*sq->sq_item)(v, i); /* Implies INCREF */ |
| 457 | cmp = cmpobject(x, w); |
| 458 | if (cmp * sign > 0) { |
| 459 | DECREF(w); |
| 460 | w = x; |
| 461 | } |
| 462 | else |
| 463 | DECREF(x); |
| 464 | } |
| 465 | return w; |
| 466 | } |
| 467 | |
| 468 | static object * |
| 469 | builtin_min(self, v) |
| 470 | object *self; |
| 471 | object *v; |
| 472 | { |
| 473 | return min_max(v, -1); |
| 474 | } |
| 475 | |
| 476 | static object * |
| 477 | builtin_max(self, v) |
| 478 | object *self; |
| 479 | object *v; |
| 480 | { |
| 481 | return min_max(v, 1); |
| 482 | } |
| 483 | |
| 484 | static object * |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 485 | builtin_oct(self, v) |
| 486 | object *self; |
| 487 | object *v; |
| 488 | { |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 489 | number_methods *nb; |
| 490 | |
| 491 | if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL || |
| 492 | nb->nb_oct == NULL) { |
| 493 | err_setstr(TypeError, |
| 494 | "oct() argument can't be converted to oct"); |
| 495 | return NULL; |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 496 | } |
Guido van Rossum | 1899c2e | 1992-09-12 11:09:23 +0000 | [diff] [blame] | 497 | return (*nb->nb_oct)(v); |
Guido van Rossum | 006bcd4 | 1991-10-24 14:54:44 +0000 | [diff] [blame] | 498 | } |
| 499 | |
| 500 | static object * |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 501 | builtin_open(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 502 | object *self; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 503 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 504 | { |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 505 | char *name, *mode; |
| 506 | if (!getargs(args, "(ss)", &name, &mode)) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 507 | return NULL; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 508 | return newfileobject(name, mode); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 509 | } |
| 510 | |
| 511 | static object * |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 512 | builtin_ord(self, args) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 513 | object *self; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 514 | object *args; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 515 | { |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 516 | char *s; |
| 517 | int len; |
| 518 | if (!getargs(args, "s#", &s, &len)) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 519 | return NULL; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 520 | if (len != 1) { |
Guido van Rossum | 50afb7a | 1991-12-10 13:52:31 +0000 | [diff] [blame] | 521 | err_setstr(ValueError, "ord() arg must have length 1"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 522 | return NULL; |
| 523 | } |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 524 | return newintobject((long)(s[0] & 0xff)); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 525 | } |
| 526 | |
| 527 | static object * |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 528 | builtin_pow(self, args) |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 529 | object *self; |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 530 | object *args; |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 531 | { |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 532 | object *v, *w, *x; |
Guido van Rossum | 94390a4 | 1992-08-14 15:14:30 +0000 | [diff] [blame] | 533 | if (!getargs(args, "(OO)", &v, &w)) |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 534 | return NULL; |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 535 | if (v->ob_type->tp_as_number == NULL || |
| 536 | w->ob_type->tp_as_number == NULL) { |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 537 | err_setstr(TypeError, "pow() requires numeric arguments"); |
| 538 | return NULL; |
| 539 | } |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 540 | if (coerce(&v, &w) != 0) |
| 541 | return NULL; |
| 542 | x = (*v->ob_type->tp_as_number->nb_power)(v, w); |
| 543 | DECREF(v); |
| 544 | DECREF(w); |
| 545 | return x; |
Guido van Rossum | d490545 | 1991-05-05 20:00:36 +0000 | [diff] [blame] | 546 | } |
| 547 | |
| 548 | static object * |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 549 | builtin_range(self, v) |
| 550 | object *self; |
| 551 | object *v; |
| 552 | { |
| 553 | static char *errmsg = "range() requires 1-3 int arguments"; |
| 554 | int i, n; |
| 555 | long ilow, ihigh, istep; |
| 556 | if (v != NULL && is_intobject(v)) { |
| 557 | ilow = 0; ihigh = getintvalue(v); istep = 1; |
| 558 | } |
| 559 | else if (v == NULL || !is_tupleobject(v)) { |
| 560 | err_setstr(TypeError, errmsg); |
| 561 | return NULL; |
| 562 | } |
| 563 | else { |
| 564 | n = gettuplesize(v); |
| 565 | if (n < 1 || n > 3) { |
| 566 | err_setstr(TypeError, errmsg); |
| 567 | return NULL; |
| 568 | } |
| 569 | for (i = 0; i < n; i++) { |
| 570 | if (!is_intobject(gettupleitem(v, i))) { |
| 571 | err_setstr(TypeError, errmsg); |
| 572 | return NULL; |
| 573 | } |
| 574 | } |
| 575 | if (n == 3) { |
| 576 | istep = getintvalue(gettupleitem(v, 2)); |
| 577 | --n; |
| 578 | } |
| 579 | else |
| 580 | istep = 1; |
| 581 | ihigh = getintvalue(gettupleitem(v, --n)); |
| 582 | if (n > 0) |
| 583 | ilow = getintvalue(gettupleitem(v, 0)); |
| 584 | else |
| 585 | ilow = 0; |
| 586 | } |
| 587 | if (istep == 0) { |
Guido van Rossum | 50afb7a | 1991-12-10 13:52:31 +0000 | [diff] [blame] | 588 | err_setstr(ValueError, "zero step for range()"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 589 | return NULL; |
| 590 | } |
| 591 | /* XXX ought to check overflow of subtraction */ |
| 592 | if (istep > 0) |
| 593 | n = (ihigh - ilow + istep - 1) / istep; |
| 594 | else |
| 595 | n = (ihigh - ilow + istep + 1) / istep; |
| 596 | if (n < 0) |
| 597 | n = 0; |
| 598 | v = newlistobject(n); |
| 599 | if (v == NULL) |
| 600 | return NULL; |
| 601 | for (i = 0; i < n; i++) { |
| 602 | object *w = newintobject(ilow); |
| 603 | if (w == NULL) { |
| 604 | DECREF(v); |
| 605 | return NULL; |
| 606 | } |
| 607 | setlistitem(v, i, w); |
| 608 | ilow += istep; |
| 609 | } |
| 610 | return v; |
| 611 | } |
| 612 | |
| 613 | static object * |
| 614 | builtin_raw_input(self, v) |
| 615 | object *self; |
| 616 | object *v; |
| 617 | { |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 618 | object *f = sysget("stdout"); |
| 619 | if (f == NULL) { |
| 620 | err_setstr(RuntimeError, "lost sys.stdout"); |
| 621 | return NULL; |
| 622 | } |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 623 | flushline(); |
Guido van Rossum | 9093361 | 1991-06-07 16:10:43 +0000 | [diff] [blame] | 624 | if (v != NULL) { |
Guido van Rossum | 3165fe6 | 1992-09-25 21:59:05 +0000 | [diff] [blame] | 625 | if (writeobject(v, f, PRINT_RAW) != 0) |
Guido van Rossum | 9093361 | 1991-06-07 16:10:43 +0000 | [diff] [blame] | 626 | return NULL; |
| 627 | } |
Guido van Rossum | 26203aa | 1991-04-04 15:20:41 +0000 | [diff] [blame] | 628 | return filegetline(sysget("stdin"), -1); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 629 | } |
| 630 | |
| 631 | static object * |
| 632 | builtin_reload(self, v) |
| 633 | object *self; |
| 634 | object *v; |
| 635 | { |
| 636 | return reload_module(v); |
| 637 | } |
| 638 | |
| 639 | static object * |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 640 | builtin_repr(self, v) |
| 641 | object *self; |
| 642 | object *v; |
| 643 | { |
| 644 | if (v == NULL) { |
| 645 | err_badarg(); |
| 646 | return NULL; |
| 647 | } |
| 648 | return reprobject(v); |
| 649 | } |
| 650 | |
| 651 | static object * |
Guido van Rossum | 9e51f9b | 1993-02-12 16:29:05 +0000 | [diff] [blame] | 652 | builtin_round(self, args) |
| 653 | object *self; |
| 654 | object *args; |
| 655 | { |
| 656 | extern double floor PROTO((double)); |
| 657 | extern double ceil PROTO((double)); |
| 658 | double x; |
| 659 | double f; |
| 660 | int ndigits = 0; |
| 661 | int sign = 1; |
| 662 | int i; |
| 663 | if (!getargs(args, "d", &x)) { |
| 664 | err_clear(); |
| 665 | if (!getargs(args, "(di)", &x, &ndigits)) |
| 666 | return NULL; |
| 667 | } |
| 668 | f = 1.0; |
| 669 | for (i = ndigits; --i >= 0; ) |
| 670 | f = f*10.0; |
| 671 | for (i = ndigits; ++i <= 0; ) |
| 672 | f = f*0.1; |
| 673 | if (x >= 0.0) |
| 674 | return newfloatobject(floor(x*f + 0.5) / f); |
| 675 | else |
| 676 | return newfloatobject(ceil(x*f - 0.5) / f); |
| 677 | } |
| 678 | |
| 679 | static object * |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 680 | builtin_str(self, v) |
| 681 | object *self; |
| 682 | object *v; |
| 683 | { |
| 684 | if (v == NULL) { |
| 685 | err_badarg(); |
| 686 | return NULL; |
| 687 | } |
| 688 | if (is_stringobject(v)) { |
| 689 | INCREF(v); |
| 690 | return v; |
| 691 | } |
| 692 | else |
| 693 | return reprobject(v); |
| 694 | } |
| 695 | |
| 696 | static object * |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 697 | builtin_type(self, v) |
| 698 | object *self; |
| 699 | object *v; |
| 700 | { |
| 701 | if (v == NULL) { |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 702 | err_setstr(TypeError, "type() requires an argument"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 703 | return NULL; |
| 704 | } |
| 705 | v = (object *)v->ob_type; |
| 706 | INCREF(v); |
| 707 | return v; |
| 708 | } |
| 709 | |
| 710 | static struct methodlist builtin_methods[] = { |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 711 | {"abs", builtin_abs}, |
| 712 | {"apply", builtin_apply}, |
| 713 | {"chr", builtin_chr}, |
Guido van Rossum | a9e7dc1 | 1992-10-18 18:53:57 +0000 | [diff] [blame] | 714 | {"cmp", builtin_cmp}, |
Guido van Rossum | 04691fc | 1992-08-12 15:35:34 +0000 | [diff] [blame] | 715 | {"coerce", builtin_coerce}, |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 716 | {"dir", builtin_dir}, |
| 717 | {"divmod", builtin_divmod}, |
| 718 | {"eval", builtin_eval}, |
| 719 | {"exec", builtin_exec}, |
Guido van Rossum | 0f61f8a | 1992-02-25 18:55:05 +0000 | [diff] [blame] | 720 | {"execfile", builtin_execfile}, |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 721 | {"float", builtin_float}, |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 722 | {"getattr", builtin_getattr}, |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame^] | 723 | {"hasattr", builtin_hasattr}, |
| 724 | {"hash", builtin_hash}, |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 725 | {"hex", builtin_hex}, |
| 726 | {"input", builtin_input}, |
| 727 | {"int", builtin_int}, |
| 728 | {"len", builtin_len}, |
| 729 | {"long", builtin_long}, |
| 730 | {"max", builtin_max}, |
| 731 | {"min", builtin_min}, |
| 732 | {"oct", builtin_oct}, |
Guido van Rossum | 5778949 | 1992-02-05 11:17:52 +0000 | [diff] [blame] | 733 | {"open", builtin_open}, |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 734 | {"ord", builtin_ord}, |
| 735 | {"pow", builtin_pow}, |
| 736 | {"range", builtin_range}, |
| 737 | {"raw_input", builtin_raw_input}, |
| 738 | {"reload", builtin_reload}, |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 739 | {"repr", builtin_repr}, |
Guido van Rossum | 9e51f9b | 1993-02-12 16:29:05 +0000 | [diff] [blame] | 740 | {"round", builtin_round}, |
Guido van Rossum | 33894be | 1992-01-27 16:53:09 +0000 | [diff] [blame] | 741 | {"setattr", builtin_setattr}, |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 742 | {"str", builtin_str}, |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 743 | {"type", builtin_type}, |
| 744 | {NULL, NULL}, |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 745 | }; |
| 746 | |
| 747 | static object *builtin_dict; |
| 748 | |
| 749 | object * |
| 750 | getbuiltin(name) |
Guido van Rossum | a57fb01 | 1991-08-16 08:54:58 +0000 | [diff] [blame] | 751 | object *name; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 752 | { |
Guido van Rossum | a57fb01 | 1991-08-16 08:54:58 +0000 | [diff] [blame] | 753 | return dict2lookup(builtin_dict, name); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 754 | } |
| 755 | |
| 756 | /* Predefined exceptions */ |
| 757 | |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 758 | object *AttributeError; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 759 | object *EOFError; |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 760 | object *IOError; |
Guido van Rossum | ed7711b | 1991-12-24 13:24:53 +0000 | [diff] [blame] | 761 | object *ImportError; |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 762 | object *IndexError; |
| 763 | object *KeyError; |
| 764 | object *KeyboardInterrupt; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 765 | object *MemoryError; |
| 766 | object *NameError; |
Guido van Rossum | 50afb7a | 1991-12-10 13:52:31 +0000 | [diff] [blame] | 767 | object *OverflowError; |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 768 | object *RuntimeError; |
Guido van Rossum | c02e15c | 1991-12-16 13:03:00 +0000 | [diff] [blame] | 769 | object *SyntaxError; |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 770 | object *SystemError; |
Guido van Rossum | 768a3f0 | 1991-12-31 13:13:47 +0000 | [diff] [blame] | 771 | object *SystemExit; |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 772 | object *TypeError; |
| 773 | object *ValueError; |
| 774 | object *ZeroDivisionError; |
Guido van Rossum | 50afb7a | 1991-12-10 13:52:31 +0000 | [diff] [blame] | 775 | |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 776 | static object * |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 777 | newstdexception(name) |
| 778 | char *name; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 779 | { |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 780 | object *v = newstringobject(name); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 781 | if (v == NULL || dictinsert(builtin_dict, name, v) != 0) |
| 782 | fatal("no mem for new standard exception"); |
| 783 | return v; |
| 784 | } |
| 785 | |
| 786 | static void |
| 787 | initerrors() |
| 788 | { |
Guido van Rossum | ed7711b | 1991-12-24 13:24:53 +0000 | [diff] [blame] | 789 | AttributeError = newstdexception("AttributeError"); |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 790 | EOFError = newstdexception("EOFError"); |
Guido van Rossum | ed7711b | 1991-12-24 13:24:53 +0000 | [diff] [blame] | 791 | IOError = newstdexception("IOError"); |
| 792 | ImportError = newstdexception("ImportError"); |
| 793 | IndexError = newstdexception("IndexError"); |
| 794 | KeyError = newstdexception("KeyError"); |
| 795 | KeyboardInterrupt = newstdexception("KeyboardInterrupt"); |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 796 | MemoryError = newstdexception("MemoryError"); |
| 797 | NameError = newstdexception("NameError"); |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 798 | OverflowError = newstdexception("OverflowError"); |
Guido van Rossum | ed7711b | 1991-12-24 13:24:53 +0000 | [diff] [blame] | 799 | RuntimeError = newstdexception("RuntimeError"); |
Guido van Rossum | fb905c3 | 1991-12-16 15:42:38 +0000 | [diff] [blame] | 800 | SyntaxError = newstdexception("SyntaxError"); |
Guido van Rossum | ed7711b | 1991-12-24 13:24:53 +0000 | [diff] [blame] | 801 | SystemError = newstdexception("SystemError"); |
Guido van Rossum | 768a3f0 | 1991-12-31 13:13:47 +0000 | [diff] [blame] | 802 | SystemExit = newstdexception("SystemExit"); |
Guido van Rossum | ed7711b | 1991-12-24 13:24:53 +0000 | [diff] [blame] | 803 | TypeError = newstdexception("TypeError"); |
| 804 | ValueError = newstdexception("ValueError"); |
| 805 | ZeroDivisionError = newstdexception("ZeroDivisionError"); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 806 | } |
| 807 | |
| 808 | void |
| 809 | initbuiltin() |
| 810 | { |
| 811 | object *m; |
| 812 | m = initmodule("builtin", builtin_methods); |
| 813 | builtin_dict = getmoduledict(m); |
| 814 | INCREF(builtin_dict); |
| 815 | initerrors(); |
| 816 | (void) dictinsert(builtin_dict, "None", None); |
| 817 | } |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 818 | |
| 819 | /* Coerce two numeric types to the "larger" one. |
| 820 | Increment the reference count on each argument. |
| 821 | Return -1 and raise an exception if no coercion is possible |
| 822 | (and then no reference count is incremented). |
Guido van Rossum | e6eefc2 | 1992-08-14 12:06:52 +0000 | [diff] [blame] | 823 | */ |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 824 | |
| 825 | int |
| 826 | coerce(pv, pw) |
| 827 | object **pv, **pw; |
| 828 | { |
| 829 | register object *v = *pv; |
| 830 | register object *w = *pw; |
Guido van Rossum | e6eefc2 | 1992-08-14 12:06:52 +0000 | [diff] [blame] | 831 | int res; |
| 832 | |
Guido van Rossum | 9e51f9b | 1993-02-12 16:29:05 +0000 | [diff] [blame] | 833 | if (v->ob_type == w->ob_type && !is_instanceobject(v)) { |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 834 | INCREF(v); |
| 835 | INCREF(w); |
| 836 | return 0; |
| 837 | } |
Guido van Rossum | e6eefc2 | 1992-08-14 12:06:52 +0000 | [diff] [blame] | 838 | if (v->ob_type->tp_as_number && v->ob_type->tp_as_number->nb_coerce) { |
| 839 | res = (*v->ob_type->tp_as_number->nb_coerce)(pv, pw); |
| 840 | if (res <= 0) |
| 841 | return res; |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 842 | } |
Guido van Rossum | e6eefc2 | 1992-08-14 12:06:52 +0000 | [diff] [blame] | 843 | if (w->ob_type->tp_as_number && w->ob_type->tp_as_number->nb_coerce) { |
| 844 | res = (*w->ob_type->tp_as_number->nb_coerce)(pw, pv); |
| 845 | if (res <= 0) |
| 846 | return res; |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 847 | } |
Guido van Rossum | e6eefc2 | 1992-08-14 12:06:52 +0000 | [diff] [blame] | 848 | err_setstr(TypeError, "number coercion failed"); |
| 849 | return -1; |
Guido van Rossum | c6bb8f7 | 1991-07-01 18:42:41 +0000 | [diff] [blame] | 850 | } |