Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1 | /*********************************************************** |
| 2 | Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, |
| 3 | The Netherlands. |
| 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 | |
| 25 | /* Abstract Object Interface (many thanks to Jim Fulton) */ |
| 26 | |
| 27 | #include "Python.h" |
| 28 | |
| 29 | #define Py_TRY(E) if(!(E)) return NULL |
| 30 | #define Py_ASSERT(EXP,E,V) if(!(EXP)) return PyErr_SetString(E,V), (void*)NULL |
| 31 | #define SPAM printf("line %d\n",__LINE__) |
| 32 | |
| 33 | static PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 34 | Py_ReturnMethodError(name) |
| 35 | char *name; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 36 | { |
| 37 | if(! name) name = "Unknown Error"; |
| 38 | PyErr_SetString(PyExc_AttributeError,name); |
| 39 | return 0; |
| 40 | } |
| 41 | |
| 42 | PyObject * |
| 43 | Py_ReturnNullError() |
| 44 | { |
| 45 | if(! PyErr_Occurred()) |
| 46 | PyErr_SetString(PyExc_SystemError, |
| 47 | "null argument to internal routine"); |
| 48 | return 0; |
| 49 | } |
| 50 | |
| 51 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 52 | PyObject_Cmp(o1, o2, result) |
| 53 | PyObject *o1; |
| 54 | PyObject *o2; |
| 55 | int *result; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 56 | { |
| 57 | int r; |
| 58 | |
| 59 | if(! o1 || ! o2) return Py_ReturnNullError(),-1; |
| 60 | r=PyObject_Compare(o1,o2); |
| 61 | if(PyErr_Occurred()) return -1; |
| 62 | *result=r; |
| 63 | return 0; |
| 64 | } |
| 65 | |
| 66 | #if 0 /* Already in object.c */ |
| 67 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 68 | PyCallable_Check(x) |
| 69 | PyObject *x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 70 | { |
| 71 | if (x == NULL) |
| 72 | return 0; |
| 73 | if (x->ob_type->tp_call != NULL || |
| 74 | PyFunction_Check(x) || |
| 75 | PyMethod_Check(x) || |
| 76 | PyCFunction_Check(x) || |
| 77 | PyClass_Check(x)) |
| 78 | return 1; |
| 79 | if (PyInstance_Check(x)) { |
| 80 | PyObject *call = PyObject_GetAttrString(x, "__call__"); |
| 81 | if (call == NULL) { |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 82 | PyErr_Clear(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 83 | return 0; |
| 84 | } |
| 85 | /* Could test recursively but don't, for fear of endless |
| 86 | recursion if some joker sets self.__call__ = self */ |
| 87 | Py_DECREF(call); |
| 88 | return 1; |
| 89 | } |
| 90 | return 0; |
| 91 | } |
| 92 | #endif |
| 93 | |
| 94 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 95 | PyObject_Type(o) |
| 96 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 97 | { |
| 98 | PyObject *v; |
| 99 | |
| 100 | if(! o) return Py_ReturnNullError(); |
| 101 | v = (PyObject *)o->ob_type; |
| 102 | Py_INCREF(v); |
| 103 | return v; |
| 104 | } |
| 105 | |
| 106 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 107 | PyObject_Length(o) |
| 108 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 109 | { |
| 110 | PySequenceMethods *m; |
| 111 | |
| 112 | if(! o) return Py_ReturnNullError(),-1; |
| 113 | |
| 114 | if((m=o->ob_type->tp_as_sequence) && m->sq_length) |
| 115 | return m->sq_length(o); |
| 116 | |
| 117 | return PyMapping_Length(o); |
| 118 | } |
| 119 | |
| 120 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 121 | PyObject_GetItem(o, key) |
| 122 | PyObject *o; |
| 123 | PyObject *key; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 124 | { |
| 125 | PyMappingMethods *m; |
| 126 | |
| 127 | if(! o || ! key) return Py_ReturnNullError(); |
| 128 | |
| 129 | if((m=o->ob_type->tp_as_mapping) && m->mp_subscript) |
| 130 | return m->mp_subscript(o,key); |
| 131 | |
| 132 | if(PyInt_Check(key)) |
| 133 | return PySequence_GetItem(o,PyInt_AsLong(key)); |
| 134 | |
| 135 | PyErr_SetString(PyExc_TypeError,"expected integer index"); |
| 136 | return NULL; |
| 137 | } |
| 138 | |
| 139 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 140 | PyObject_SetItem(o, key, value) |
| 141 | PyObject *o; |
| 142 | PyObject *key; |
| 143 | PyObject *value; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 144 | { |
| 145 | PyMappingMethods *m; |
| 146 | |
| 147 | if(! o || ! key || ! value) return Py_ReturnNullError(),-1; |
| 148 | if((m=o->ob_type->tp_as_mapping) && m->mp_ass_subscript) |
| 149 | return m->mp_ass_subscript(o,key,value); |
| 150 | |
| 151 | if(PyInt_Check(key)) |
| 152 | return PySequence_SetItem(o,PyInt_AsLong(key),value); |
| 153 | |
| 154 | PyErr_SetString(PyExc_TypeError,"expeced integer index"); |
| 155 | return -1; |
| 156 | } |
| 157 | |
| 158 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 159 | PyNumber_Check(o) |
| 160 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 161 | { |
| 162 | return o && o->ob_type->tp_as_number; |
| 163 | } |
| 164 | |
| 165 | |
| 166 | #define BINOP(opname, ropname, thisfunc) \ |
| 167 | if (!PyInstance_Check(v) && !PyInstance_Check(w)) \ |
| 168 | ; \ |
| 169 | else \ |
| 170 | return PyInstance_DoBinOp(v, w, opname, ropname, thisfunc) |
| 171 | |
| 172 | PyObject * |
| 173 | PyNumber_Or(v, w) |
| 174 | PyObject *v, *w; |
| 175 | { |
| 176 | extern int PyNumber_Coerce(); |
| 177 | |
| 178 | BINOP("__or__", "__ror__", PyNumber_Or); |
| 179 | if (v->ob_type->tp_as_number != NULL) { |
| 180 | PyObject *x; |
| 181 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 182 | if (PyNumber_Coerce(&v, &w) != 0) |
| 183 | return NULL; |
| 184 | if ((f = v->ob_type->tp_as_number->nb_or) != NULL) |
| 185 | x = (*f)(v, w); |
| 186 | Py_DECREF(v); |
| 187 | Py_DECREF(w); |
| 188 | if (f != NULL) |
| 189 | return x; |
| 190 | } |
| 191 | PyErr_SetString(PyExc_TypeError, "bad operand type(s) for |"); |
| 192 | return NULL; |
| 193 | } |
| 194 | |
| 195 | PyObject * |
| 196 | PyNumber_Xor(v, w) |
| 197 | PyObject *v, *w; |
| 198 | { |
| 199 | extern int PyNumber_Coerce(); |
| 200 | |
| 201 | BINOP("__xor__", "__rxor__", PyNumber_Xor); |
| 202 | if (v->ob_type->tp_as_number != NULL) { |
| 203 | PyObject *x; |
| 204 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 205 | if (PyNumber_Coerce(&v, &w) != 0) |
| 206 | return NULL; |
| 207 | if ((f = v->ob_type->tp_as_number->nb_xor) != NULL) |
| 208 | x = (*f)(v, w); |
| 209 | Py_DECREF(v); |
| 210 | Py_DECREF(w); |
| 211 | if (f != NULL) |
| 212 | return x; |
| 213 | } |
| 214 | PyErr_SetString(PyExc_TypeError, "bad operand type(s) for ^"); |
| 215 | return NULL; |
| 216 | } |
| 217 | |
| 218 | PyObject * |
| 219 | PyNumber_And(v, w) |
| 220 | PyObject *v, *w; |
| 221 | { |
| 222 | BINOP("__and__", "__rand__", PyNumber_And); |
| 223 | if (v->ob_type->tp_as_number != NULL) { |
| 224 | PyObject *x; |
| 225 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 226 | if (PyNumber_Coerce(&v, &w) != 0) |
| 227 | return NULL; |
| 228 | if ((f = v->ob_type->tp_as_number->nb_and) != NULL) |
| 229 | x = (*f)(v, w); |
| 230 | Py_DECREF(v); |
| 231 | Py_DECREF(w); |
| 232 | if (f != NULL) |
| 233 | return x; |
| 234 | } |
| 235 | PyErr_SetString(PyExc_TypeError, "bad operand type(s) for &"); |
| 236 | return NULL; |
| 237 | } |
| 238 | |
| 239 | PyObject * |
| 240 | PyNumber_Lshift(v, w) |
| 241 | PyObject *v, *w; |
| 242 | { |
| 243 | BINOP("__lshift__", "__rlshift__", PyNumber_Lshift); |
| 244 | if (v->ob_type->tp_as_number != NULL) { |
| 245 | PyObject *x; |
| 246 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 247 | if (PyNumber_Coerce(&v, &w) != 0) |
| 248 | return NULL; |
| 249 | if ((f = v->ob_type->tp_as_number->nb_lshift) != NULL) |
| 250 | x = (*f)(v, w); |
| 251 | Py_DECREF(v); |
| 252 | Py_DECREF(w); |
| 253 | if (f != NULL) |
| 254 | return x; |
| 255 | } |
| 256 | PyErr_SetString(PyExc_TypeError, "bad operand type(s) for <<"); |
| 257 | return NULL; |
| 258 | } |
| 259 | |
| 260 | PyObject * |
| 261 | PyNumber_Rshift(v, w) |
| 262 | PyObject *v, *w; |
| 263 | { |
| 264 | BINOP("__rshift__", "__rrshift__", PyNumber_Rshift); |
| 265 | if (v->ob_type->tp_as_number != NULL) { |
| 266 | PyObject *x; |
| 267 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 268 | if (PyNumber_Coerce(&v, &w) != 0) |
| 269 | return NULL; |
| 270 | if ((f = v->ob_type->tp_as_number->nb_rshift) != NULL) |
| 271 | x = (*f)(v, w); |
| 272 | Py_DECREF(v); |
| 273 | Py_DECREF(w); |
| 274 | if (f != NULL) |
| 275 | return x; |
| 276 | } |
| 277 | PyErr_SetString(PyExc_TypeError, "bad operand type(s) for >>"); |
| 278 | return NULL; |
| 279 | } |
| 280 | |
| 281 | PyObject * |
| 282 | PyNumber_Add(v, w) |
| 283 | PyObject *v, *w; |
| 284 | { |
| 285 | BINOP("__add__", "__radd__", PyNumber_Add); |
| 286 | if (v->ob_type->tp_as_sequence != NULL) |
| 287 | return (*v->ob_type->tp_as_sequence->sq_concat)(v, w); |
| 288 | else if (v->ob_type->tp_as_number != NULL) { |
| 289 | PyObject *x; |
| 290 | if (PyNumber_Coerce(&v, &w) != 0) |
| 291 | return NULL; |
| 292 | x = (*v->ob_type->tp_as_number->nb_add)(v, w); |
| 293 | Py_DECREF(v); |
| 294 | Py_DECREF(w); |
| 295 | return x; |
| 296 | } |
| 297 | PyErr_SetString(PyExc_TypeError, "bad operand type(s) for +"); |
| 298 | return NULL; |
| 299 | } |
| 300 | |
| 301 | PyObject * |
| 302 | PyNumber_Subtract(v, w) |
| 303 | PyObject *v, *w; |
| 304 | { |
| 305 | BINOP("__sub__", "__rsub__", PyNumber_Subtract); |
| 306 | if (v->ob_type->tp_as_number != NULL) { |
| 307 | PyObject *x; |
| 308 | if (PyNumber_Coerce(&v, &w) != 0) |
| 309 | return NULL; |
| 310 | x = (*v->ob_type->tp_as_number->nb_subtract)(v, w); |
| 311 | Py_DECREF(v); |
| 312 | Py_DECREF(w); |
| 313 | return x; |
| 314 | } |
| 315 | PyErr_SetString(PyExc_TypeError, "bad operand type(s) for -"); |
| 316 | return NULL; |
| 317 | } |
| 318 | |
| 319 | PyObject * |
| 320 | PyNumber_Multiply(v, w) |
| 321 | PyObject *v, *w; |
| 322 | { |
| 323 | PyTypeObject *tp; |
| 324 | tp = v->ob_type; |
| 325 | BINOP("__mul__", "__rmul__", PyNumber_Multiply); |
| 326 | if (tp->tp_as_number != NULL && |
| 327 | w->ob_type->tp_as_sequence != NULL && |
| 328 | !PyInstance_Check(v)) { |
| 329 | /* number*sequence -- swap v and w */ |
| 330 | PyObject *tmp = v; |
| 331 | v = w; |
| 332 | w = tmp; |
| 333 | tp = v->ob_type; |
| 334 | } |
| 335 | if (tp->tp_as_number != NULL) { |
| 336 | PyObject *x; |
| 337 | if (PyInstance_Check(v)) { |
| 338 | /* Instances of user-defined classes get their |
| 339 | other argument uncoerced, so they may |
| 340 | implement sequence*number as well as |
| 341 | number*number. */ |
| 342 | Py_INCREF(v); |
| 343 | Py_INCREF(w); |
| 344 | } |
| 345 | else if (PyNumber_Coerce(&v, &w) != 0) |
| 346 | return NULL; |
| 347 | x = (*v->ob_type->tp_as_number->nb_multiply)(v, w); |
| 348 | Py_DECREF(v); |
| 349 | Py_DECREF(w); |
| 350 | return x; |
| 351 | } |
| 352 | if (tp->tp_as_sequence != NULL) { |
| 353 | if (!PyInt_Check(w)) { |
| 354 | PyErr_SetString(PyExc_TypeError, |
| 355 | "can't multiply sequence with non-int"); |
| 356 | return NULL; |
| 357 | } |
| 358 | return (*tp->tp_as_sequence->sq_repeat) |
| 359 | (v, (int)PyInt_AsLong(w)); |
| 360 | } |
| 361 | PyErr_SetString(PyExc_TypeError, "bad operand type(s) for *"); |
| 362 | return NULL; |
| 363 | } |
| 364 | |
| 365 | PyObject * |
| 366 | PyNumber_Divide(v, w) |
| 367 | PyObject *v, *w; |
| 368 | { |
| 369 | BINOP("__div__", "__rdiv__", PyNumber_Divide); |
| 370 | if (v->ob_type->tp_as_number != NULL) { |
| 371 | PyObject *x; |
| 372 | if (PyNumber_Coerce(&v, &w) != 0) |
| 373 | return NULL; |
| 374 | x = (*v->ob_type->tp_as_number->nb_divide)(v, w); |
| 375 | Py_DECREF(v); |
| 376 | Py_DECREF(w); |
| 377 | return x; |
| 378 | } |
| 379 | PyErr_SetString(PyExc_TypeError, "bad operand type(s) for /"); |
| 380 | return NULL; |
| 381 | } |
| 382 | |
| 383 | PyObject * |
| 384 | PyNumber_Remainder(v, w) |
| 385 | PyObject *v, *w; |
| 386 | { |
| 387 | if (PyString_Check(v)) { |
| 388 | return PyString_Format(v, w); |
| 389 | } |
| 390 | BINOP("__mod__", "__rmod__", PyNumber_Remainder); |
| 391 | if (v->ob_type->tp_as_number != NULL) { |
| 392 | PyObject *x; |
| 393 | if (PyNumber_Coerce(&v, &w) != 0) |
| 394 | return NULL; |
| 395 | x = (*v->ob_type->tp_as_number->nb_remainder)(v, w); |
| 396 | Py_DECREF(v); |
| 397 | Py_DECREF(w); |
| 398 | return x; |
| 399 | } |
| 400 | PyErr_SetString(PyExc_TypeError, "bad operand type(s) for %"); |
| 401 | return NULL; |
| 402 | } |
| 403 | |
| 404 | PyObject * |
| 405 | PyNumber_Divmod(v, w) |
| 406 | PyObject *v, *w; |
| 407 | { |
| 408 | PyObject *res; |
| 409 | |
| 410 | if (PyInstance_Check(v) || PyInstance_Check(w)) |
| 411 | return PyInstance_DoBinOp(v, w, "__divmod__", "__rdivmod__", |
| 412 | PyNumber_Divmod); |
| 413 | if (v->ob_type->tp_as_number == NULL || |
| 414 | w->ob_type->tp_as_number == NULL) { |
| 415 | PyErr_SetString(PyExc_TypeError, |
| 416 | "divmod() requires numeric or class instance arguments"); |
| 417 | return NULL; |
| 418 | } |
| 419 | if (PyNumber_Coerce(&v, &w) != 0) |
| 420 | return NULL; |
| 421 | res = (*v->ob_type->tp_as_number->nb_divmod)(v, w); |
| 422 | Py_DECREF(v); |
| 423 | Py_DECREF(w); |
| 424 | return res; |
| 425 | } |
| 426 | |
| 427 | |
| 428 | static PyObject * |
| 429 | do_pow(v, w) |
| 430 | PyObject *v, *w; |
| 431 | { |
| 432 | PyObject *res; |
| 433 | if (PyInstance_Check(v) || PyInstance_Check(w)) |
| 434 | return PyInstance_DoBinOp(v, w, "__pow__", "__rpow__", do_pow); |
| 435 | if (v->ob_type->tp_as_number == NULL || |
| 436 | w->ob_type->tp_as_number == NULL) { |
| 437 | PyErr_SetString(PyExc_TypeError, |
| 438 | "pow() requires numeric arguments"); |
| 439 | return NULL; |
| 440 | } |
| 441 | if (PyFloat_Check(w) && PyFloat_AsDouble(v) < 0.0) { |
| 442 | if (!PyErr_Occurred()) |
| 443 | PyErr_SetString(PyExc_ValueError, |
| 444 | "negative number to float power"); |
| 445 | return NULL; |
| 446 | } |
| 447 | if (PyNumber_Coerce(&v, &w) != 0) |
| 448 | return NULL; |
| 449 | res = (*v->ob_type->tp_as_number->nb_power)(v, w, Py_None); |
| 450 | Py_DECREF(v); |
| 451 | Py_DECREF(w); |
| 452 | return res; |
| 453 | } |
| 454 | |
| 455 | PyObject * |
| 456 | PyNumber_Power(v,w,z) |
| 457 | PyObject *v, *w, *z; |
| 458 | { |
| 459 | PyObject *res; |
| 460 | PyObject *v1, *z1, *w2, *z2; |
| 461 | |
| 462 | if (z == Py_None) |
| 463 | return do_pow(v, w); |
| 464 | /* XXX The ternary version doesn't do class instance coercions */ |
| 465 | if (PyInstance_Check(v)) |
| 466 | return v->ob_type->tp_as_number->nb_power(v, w, z); |
| 467 | if (v->ob_type->tp_as_number == NULL || |
| 468 | z->ob_type->tp_as_number == NULL || |
| 469 | w->ob_type->tp_as_number == NULL) { |
| 470 | PyErr_SetString(PyExc_TypeError, "pow() requires numeric arguments"); |
| 471 | return NULL; |
| 472 | } |
| 473 | if (PyNumber_Coerce(&v, &w) != 0) |
| 474 | return NULL; |
| 475 | res = NULL; |
| 476 | v1 = v; |
| 477 | z1 = z; |
| 478 | if (PyNumber_Coerce(&v1, &z1) != 0) |
| 479 | goto error2; |
| 480 | w2 = w; |
| 481 | z2 = z1; |
| 482 | if (PyNumber_Coerce(&w2, &z2) != 0) |
| 483 | goto error1; |
| 484 | res = (*v1->ob_type->tp_as_number->nb_power)(v1, w2, z2); |
| 485 | Py_DECREF(w2); |
| 486 | Py_DECREF(z2); |
| 487 | error1: |
| 488 | Py_DECREF(v1); |
| 489 | Py_DECREF(z1); |
| 490 | error2: |
| 491 | Py_DECREF(v); |
| 492 | Py_DECREF(w); |
| 493 | return res; |
| 494 | } |
| 495 | |
| 496 | |
| 497 | PyObject * |
| 498 | PyNumber_Negative(v) |
| 499 | PyObject *v; |
| 500 | { |
| 501 | if (v->ob_type->tp_as_number != NULL) |
| 502 | return (*v->ob_type->tp_as_number->nb_negative)(v); |
| 503 | PyErr_SetString(PyExc_TypeError, "bad operand type(s) for unary -"); |
| 504 | return NULL; |
| 505 | } |
| 506 | |
| 507 | PyObject * |
| 508 | PyNumber_Positive(v) |
| 509 | PyObject *v; |
| 510 | { |
| 511 | if (v->ob_type->tp_as_number != NULL) |
| 512 | return (*v->ob_type->tp_as_number->nb_positive)(v); |
| 513 | PyErr_SetString(PyExc_TypeError, "bad operand type(s) for unary +"); |
| 514 | return NULL; |
| 515 | } |
| 516 | |
| 517 | PyObject * |
| 518 | PyNumber_Invert(v) |
| 519 | PyObject *v; |
| 520 | { |
| 521 | PyObject * (*f) Py_FPROTO((PyObject *)); |
| 522 | if (v->ob_type->tp_as_number != NULL && |
| 523 | (f = v->ob_type->tp_as_number->nb_invert) != NULL) |
| 524 | return (*f)(v); |
| 525 | PyErr_SetString(PyExc_TypeError, "bad operand type(s) for unary ~"); |
| 526 | return NULL; |
| 527 | } |
| 528 | |
| 529 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 530 | PyNumber_Absolute(o) |
| 531 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 532 | { |
| 533 | PyNumberMethods *m; |
| 534 | |
| 535 | if(! o) return Py_ReturnNullError(); |
| 536 | if((m=o->ob_type->tp_as_number) && m->nb_absolute) |
| 537 | return m->nb_absolute(o); |
| 538 | |
| 539 | return Py_ReturnMethodError("__abs__"); |
| 540 | } |
| 541 | |
| 542 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 543 | PyNumber_Int(o) |
| 544 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 545 | { |
| 546 | PyNumberMethods *m; |
| 547 | |
| 548 | if(! o) return Py_ReturnNullError(); |
| 549 | if((m=o->ob_type->tp_as_number) && m->nb_int) |
| 550 | return m->nb_int(o); |
| 551 | |
| 552 | return Py_ReturnMethodError("__int__"); |
| 553 | } |
| 554 | |
| 555 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 556 | PyNumber_Long(o) |
| 557 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 558 | { |
| 559 | PyNumberMethods *m; |
| 560 | |
| 561 | if(! o) return Py_ReturnNullError(); |
| 562 | if((m=o->ob_type->tp_as_number) && m->nb_long) |
| 563 | return m->nb_long(o); |
| 564 | |
| 565 | return Py_ReturnMethodError("__long__"); |
| 566 | } |
| 567 | |
| 568 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 569 | PyNumber_Float(o) |
| 570 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 571 | { |
| 572 | PyNumberMethods *m; |
| 573 | |
| 574 | if(! o) return Py_ReturnNullError(); |
| 575 | if((m=o->ob_type->tp_as_number) && m->nb_float) |
| 576 | return m->nb_float(o); |
| 577 | |
| 578 | return Py_ReturnMethodError("__float__"); |
| 579 | } |
| 580 | |
| 581 | |
| 582 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 583 | PySequence_Check(o) |
| 584 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 585 | { |
| 586 | return o && o->ob_type->tp_as_sequence; |
| 587 | } |
| 588 | |
| 589 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 590 | PySequence_Length(s) |
| 591 | PyObject *s; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 592 | { |
| 593 | PySequenceMethods *m; |
| 594 | |
| 595 | if(! s) return Py_ReturnNullError(),-1; |
| 596 | |
| 597 | if((m=s->ob_type->tp_as_sequence) && m->sq_length) |
| 598 | return m->sq_length(s); |
| 599 | |
| 600 | Py_ReturnMethodError("__len__"); |
| 601 | return -1; |
| 602 | } |
| 603 | |
| 604 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 605 | PySequence_Concat(s, o) |
| 606 | PyObject *s; |
| 607 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 608 | { |
| 609 | PySequenceMethods *m; |
| 610 | |
| 611 | if(! s || ! o) return Py_ReturnNullError(); |
| 612 | |
| 613 | if((m=s->ob_type->tp_as_sequence) && m->sq_concat) |
| 614 | return m->sq_concat(s,o); |
| 615 | |
| 616 | return Py_ReturnMethodError("__concat__"); |
| 617 | } |
| 618 | |
| 619 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 620 | PySequence_Repeat(o, count) |
| 621 | PyObject *o; |
| 622 | int count; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 623 | { |
| 624 | PySequenceMethods *m; |
| 625 | |
| 626 | if(! o) return Py_ReturnNullError(); |
| 627 | |
| 628 | if((m=o->ob_type->tp_as_sequence) && m->sq_repeat) |
| 629 | return m->sq_repeat(o,count); |
| 630 | |
| 631 | return Py_ReturnMethodError("__repeat__"); |
| 632 | } |
| 633 | |
| 634 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 635 | PySequence_GetItem(s, i) |
| 636 | PyObject *s; |
| 637 | int i; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 638 | { |
| 639 | PySequenceMethods *m; |
| 640 | int l; |
| 641 | |
| 642 | if(! s) return Py_ReturnNullError(); |
| 643 | |
| 644 | if(! ((m=s->ob_type->tp_as_sequence) && m->sq_length && m->sq_item)) |
| 645 | return Py_ReturnMethodError("__getitem__"); |
| 646 | |
| 647 | if(0 > (l=m->sq_length(s))) return NULL; |
| 648 | |
| 649 | if(i < 0) i += l; |
| 650 | |
| 651 | return m->sq_item(s,i); |
| 652 | } |
| 653 | |
| 654 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 655 | PySequence_GetSlice(s, i1, i2) |
| 656 | PyObject *s; |
| 657 | int i1; |
| 658 | int i2; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 659 | { |
| 660 | PySequenceMethods *m; |
| 661 | int l; |
| 662 | |
| 663 | if(! s) return Py_ReturnNullError(); |
| 664 | |
| 665 | if(! ((m=s->ob_type->tp_as_sequence) && m->sq_length && m->sq_slice)) |
| 666 | return Py_ReturnMethodError("__getslice__"); |
| 667 | |
| 668 | if(0 > (l=m->sq_length(s))) return NULL; |
| 669 | |
| 670 | if(i1 < 0) i1 += l; |
| 671 | if(i2 < 0) i2 += l; |
| 672 | |
| 673 | return m->sq_slice(s,i1,i2); |
| 674 | } |
| 675 | |
| 676 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 677 | PySequence_SetItem(s, i, o) |
| 678 | PyObject *s; |
| 679 | int i; |
| 680 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 681 | { |
| 682 | PySequenceMethods *m; |
| 683 | int l; |
| 684 | if(! s) return Py_ReturnNullError(),-1; |
| 685 | |
| 686 | if(! ((m=s->ob_type->tp_as_sequence) && m->sq_length && m->sq_ass_item)) |
| 687 | return Py_ReturnMethodError("__setitem__"),-1; |
| 688 | |
| 689 | if(i < 0) |
| 690 | { |
| 691 | if(0 > (l=m->sq_length(s))) return -1; |
| 692 | i += l; |
| 693 | } |
| 694 | |
| 695 | return m->sq_ass_item(s,i,o); |
| 696 | } |
| 697 | |
| 698 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 699 | PySequence_SetSlice(s, i1, i2, o) |
| 700 | PyObject *s; |
| 701 | int i1; |
| 702 | int i2; |
| 703 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 704 | { |
| 705 | PySequenceMethods *m; |
| 706 | int l; |
| 707 | |
| 708 | if(! s) return Py_ReturnNullError(),-1; |
| 709 | |
| 710 | if(! ((m=s->ob_type->tp_as_sequence) && m->sq_length && m->sq_ass_slice)) |
| 711 | return Py_ReturnMethodError("__setslice__"),-1; |
| 712 | |
| 713 | if(0 > (l=m->sq_length(s))) return -1; |
| 714 | |
| 715 | if(i1 < 0) i1 += l; |
| 716 | if(i2 < 0) i2 += l; |
| 717 | |
| 718 | return m->sq_ass_slice(s,i1,i2,o); |
| 719 | } |
| 720 | |
| 721 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 722 | PySequence_Tuple(s) |
| 723 | PyObject *s; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 724 | { |
| 725 | int l, i; |
| 726 | PyObject *t, *item; |
| 727 | |
| 728 | if(! s) return Py_ReturnNullError(); |
| 729 | |
| 730 | Py_TRY((l=PySequence_Length(s)) != -1); |
| 731 | Py_TRY(t=PyTuple_New(l)); |
| 732 | |
| 733 | for(i=0; i < l; i++) |
| 734 | { |
| 735 | if(item=PySequence_GetItem(s,i)) |
| 736 | { |
| 737 | if(PyTuple_SetItem(t,i,item) == -1) |
| 738 | { |
| 739 | Py_DECREF(item); |
| 740 | Py_DECREF(t); |
| 741 | return NULL; |
| 742 | } |
| 743 | } |
| 744 | else |
| 745 | { |
| 746 | Py_DECREF(t); |
| 747 | return NULL; |
| 748 | } |
| 749 | } |
| 750 | return t; |
| 751 | } |
| 752 | |
| 753 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 754 | PySequence_Count(s, o) |
| 755 | PyObject *s; |
| 756 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 757 | { |
| 758 | int l, i, n=0, not_equal, err; |
| 759 | PyObject *item; |
| 760 | |
| 761 | if(! s || ! o) return Py_ReturnNullError(), -1; |
| 762 | Py_TRY((l=PySequence_Length(s)) != -1),-1; |
| 763 | |
| 764 | for(i=0; i < l; i++) |
| 765 | { |
| 766 | Py_TRY(item=PySequence_GetItem(s,i)),-1; |
| 767 | err=PyObject_Cmp(item,o,¬_equal) == -1; |
| 768 | Py_DECREF(item); |
| 769 | if(err) return -1; |
| 770 | n += ! not_equal; |
| 771 | } |
| 772 | return n; |
| 773 | } |
| 774 | |
| 775 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 776 | PySequence_In(s, o) |
| 777 | PyObject *s; |
| 778 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 779 | { |
| 780 | int l, i, not_equal, err; |
| 781 | PyObject *item; |
| 782 | |
| 783 | if(! o || ! s) return Py_ReturnNullError(), -1; |
| 784 | Py_TRY((l=PySequence_Length(s)) != -1),-1; |
| 785 | |
| 786 | for(i=0; i < l; i++) |
| 787 | { |
| 788 | Py_TRY(item=PySequence_GetItem(s,i)),-1; |
| 789 | err=PyObject_Cmp(item,o,¬_equal) == -1; |
| 790 | Py_DECREF(item); |
| 791 | if(err) return -1; |
| 792 | if(! not_equal) return 1; |
| 793 | } |
| 794 | return 0; |
| 795 | } |
| 796 | |
| 797 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 798 | PySequence_Index(s, o) |
| 799 | PyObject *s; |
| 800 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 801 | { |
| 802 | int l, i, n=0, not_equal, err; |
| 803 | PyObject *item; |
| 804 | |
| 805 | if(! s || ! o) return Py_ReturnNullError(), -1; |
| 806 | Py_TRY((l=PySequence_Length(s)) != -1),-1; |
| 807 | |
| 808 | for(i=0; i < l; i++) |
| 809 | { |
| 810 | Py_TRY(item=PySequence_GetItem(s,i)),-1; |
| 811 | err=PyObject_Cmp(item,o,¬_equal) == -1; |
| 812 | Py_DECREF(item); |
| 813 | if(err) return -1; |
| 814 | if(! not_equal) return n; |
| 815 | } |
| 816 | return -1; |
| 817 | } |
| 818 | |
| 819 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 820 | PyMapping_Check(o) |
| 821 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 822 | { |
| 823 | return o && o->ob_type->tp_as_mapping; |
| 824 | } |
| 825 | |
| 826 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 827 | PyMapping_Length(s) |
| 828 | PyObject *s; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 829 | { |
| 830 | PyMappingMethods *m; |
| 831 | |
| 832 | if(! s) return Py_ReturnNullError(),-1; |
| 833 | |
| 834 | if((m=s->ob_type->tp_as_mapping) && m->mp_length) |
| 835 | return m->mp_length(s); |
| 836 | |
| 837 | Py_ReturnMethodError("__len__"); |
| 838 | return -1; |
| 839 | } |
| 840 | |
| 841 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 842 | PyMapping_HasKeyString(o, key) |
| 843 | PyObject *o; |
| 844 | char *key; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 845 | { |
| 846 | PyObject *v; |
| 847 | |
| 848 | v=PyMapping_GetItemString(o,key); |
| 849 | if(v) return 1; |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 850 | PyErr_Clear(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 851 | return 0; |
| 852 | } |
| 853 | |
| 854 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 855 | PyMapping_HasKey(o, key) |
| 856 | PyObject *o; |
| 857 | PyObject *key; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 858 | { |
| 859 | PyObject *v; |
| 860 | |
| 861 | v=PyObject_GetItem(o,key); |
| 862 | if(v) return 1; |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 863 | PyErr_Clear(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 864 | return 0; |
| 865 | } |
| 866 | |
| 867 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 868 | PyObject_CallObject(o, a) |
| 869 | PyObject *o, *a; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 870 | { |
| 871 | PyObject *r; |
| 872 | |
| 873 | if(a) return PyEval_CallObject(o,a); |
| 874 | |
| 875 | if(! (a=PyTuple_New(0))) |
| 876 | return NULL; |
| 877 | r=PyEval_CallObject(o,a); |
| 878 | Py_DECREF(a); |
| 879 | return r; |
| 880 | } |
| 881 | |
| 882 | PyObject * |
| 883 | #ifdef HAVE_STDARG_PROTOTYPES |
| 884 | /* VARARGS 2 */ |
| 885 | PyObject_CallFunction(PyObject *callable, char *format, ...) |
| 886 | #else |
| 887 | /* VARARGS */ |
| 888 | PyObject_CallFunction(va_alist) va_dcl |
| 889 | #endif |
| 890 | { |
| 891 | va_list va; |
| 892 | PyObject *args, *retval; |
| 893 | #ifdef HAVE_STDARG_PROTOTYPES |
| 894 | va_start(va, format); |
| 895 | #else |
| 896 | PyObject *callable; |
| 897 | char *format; |
| 898 | va_start(va); |
| 899 | callable = va_arg(va, PyObject *); |
| 900 | format = va_arg(va, char *); |
| 901 | #endif |
| 902 | |
| 903 | if( ! callable) |
| 904 | { |
| 905 | va_end(va); |
| 906 | return Py_ReturnNullError(); |
| 907 | } |
| 908 | |
| 909 | if(format) |
| 910 | args = Py_VaBuildValue(format, va); |
| 911 | else |
| 912 | args = PyTuple_New(0); |
| 913 | |
| 914 | va_end(va); |
| 915 | if(! args) return NULL; |
| 916 | |
| 917 | if(! PyTuple_Check(args)) |
| 918 | { |
| 919 | PyObject *a; |
| 920 | |
| 921 | Py_TRY(a=PyTuple_New(1)); |
| 922 | Py_TRY(PyTuple_SetItem(a,0,args) != -1); |
| 923 | args=a; |
| 924 | } |
| 925 | retval = PyObject_CallObject(callable,args); |
| 926 | Py_DECREF(args); |
| 927 | return retval; |
| 928 | } |
| 929 | |
| 930 | PyObject * |
| 931 | #ifdef HAVE_STDARG_PROTOTYPES |
| 932 | /* VARARGS 2 */ |
| 933 | PyObject_CallMethod(PyObject *o, char *name, char *format, ...) |
| 934 | #else |
| 935 | /* VARARGS */ |
| 936 | PyObject_CallMethod(va_alist) va_dcl |
| 937 | #endif |
| 938 | { |
| 939 | va_list va; |
| 940 | PyObject *args, *method=0, *retval; |
| 941 | #ifdef HAVE_STDARG_PROTOTYPES |
| 942 | va_start(va, format); |
| 943 | #else |
| 944 | PyObject *o; |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 945 | char *name; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 946 | char *format; |
| 947 | va_start(va); |
| 948 | o = va_arg(va, PyObject *); |
| 949 | name = va_arg(va, char *); |
| 950 | format = va_arg(va, char *); |
| 951 | #endif |
| 952 | |
| 953 | if( ! o || ! name) |
| 954 | { |
| 955 | va_end(va); |
| 956 | return Py_ReturnNullError(); |
| 957 | } |
| 958 | |
| 959 | method=PyObject_GetAttrString(o,name); |
| 960 | if(! method) |
| 961 | { |
| 962 | va_end(va); |
| 963 | PyErr_SetString(PyExc_AttributeError,name); |
| 964 | return 0; |
| 965 | } |
| 966 | |
| 967 | if(! (PyCallable_Check(method))) |
| 968 | { |
| 969 | va_end(va); |
| 970 | PyErr_SetString(PyExc_TypeError,"call of non-callable attribute"); |
| 971 | return 0; |
| 972 | } |
| 973 | |
| 974 | if(format) |
| 975 | args = Py_VaBuildValue(format, va); |
| 976 | else |
| 977 | args = PyTuple_New(0); |
| 978 | |
| 979 | va_end(va); |
| 980 | |
| 981 | if(! args) return NULL; |
| 982 | |
| 983 | if(! PyTuple_Check(args)) |
| 984 | { |
| 985 | PyObject *a; |
| 986 | |
| 987 | Py_TRY(a=PyTuple_New(1)); |
| 988 | Py_TRY(PyTuple_SetItem(a,0,args) != -1); |
| 989 | args=a; |
| 990 | } |
| 991 | |
| 992 | retval = PyObject_CallObject(method,args); |
| 993 | Py_DECREF(args); |
| 994 | Py_DECREF(method); |
| 995 | return retval; |
| 996 | } |
| 997 | |
| 998 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 999 | PyMapping_GetItemString(o, key) |
| 1000 | PyObject *o; |
| 1001 | char *key; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1002 | { |
| 1003 | PyObject *okey, *r; |
| 1004 | |
| 1005 | if( ! key) return Py_ReturnNullError(); |
| 1006 | Py_TRY(okey=PyString_FromString(key)); |
| 1007 | r = PyObject_GetItem(o,okey); |
| 1008 | Py_DECREF(okey); |
| 1009 | return r; |
| 1010 | } |
| 1011 | |
| 1012 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1013 | PyMapping_SetItemString(o, key, value) |
| 1014 | PyObject *o; |
| 1015 | char *key; |
| 1016 | PyObject *value; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1017 | { |
| 1018 | PyObject *okey; |
| 1019 | int r; |
| 1020 | |
| 1021 | if( ! key) return Py_ReturnNullError(),-1; |
| 1022 | if (!(okey=PyString_FromString(key))) return -1; |
| 1023 | r = PyObject_SetItem(o,okey,value); |
| 1024 | Py_DECREF(okey); |
| 1025 | return r; |
| 1026 | } |