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 | |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 7 | Permission to use, copy, modify, and distribute this software and its |
| 8 | documentation for any purpose and without fee is hereby granted, |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 9 | provided that the above copyright notice appear in all copies and that |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 10 | both that copyright notice and this permission notice appear in |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 11 | supporting documentation, and that the names of Stichting Mathematisch |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 12 | Centrum or CWI or Corporation for National Research Initiatives or |
| 13 | CNRI not be used in advertising or publicity pertaining to |
| 14 | distribution of the software without specific, written prior |
| 15 | permission. |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 16 | |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 17 | While CWI is the initial source for this software, a modified version |
| 18 | is made available by the Corporation for National Research Initiatives |
| 19 | (CNRI) at the Internet address ftp://ftp.python.org. |
| 20 | |
| 21 | STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH |
| 22 | REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF |
| 23 | MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH |
| 24 | CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL |
| 25 | DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 26 | PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 27 | TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 28 | PERFORMANCE OF THIS SOFTWARE. |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 29 | |
| 30 | ******************************************************************/ |
| 31 | |
| 32 | /* Abstract Object Interface (many thanks to Jim Fulton) */ |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 33 | |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 34 | #include "Python.h" |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 35 | #include <ctype.h> |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 36 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 37 | /* Shorthands to return certain errors */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 38 | |
| 39 | static PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 40 | type_error(msg) |
| 41 | char *msg; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 42 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 43 | PyErr_SetString(PyExc_TypeError, msg); |
| 44 | return NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 45 | } |
| 46 | |
Guido van Rossum | 052b7e1 | 1996-11-11 15:08:19 +0000 | [diff] [blame] | 47 | static PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 48 | null_error() |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 49 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 50 | if (!PyErr_Occurred()) |
| 51 | PyErr_SetString(PyExc_SystemError, |
| 52 | "null argument to internal routine"); |
| 53 | return NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 54 | } |
| 55 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 56 | /* Operations on any object */ |
| 57 | |
| 58 | int |
| 59 | PyObject_Cmp(o1, o2, result) |
| 60 | PyObject *o1; |
| 61 | PyObject *o2; |
| 62 | int *result; |
| 63 | { |
| 64 | int r; |
| 65 | |
| 66 | if (o1 == NULL || o2 == NULL) { |
| 67 | null_error(); |
| 68 | return -1; |
| 69 | } |
| 70 | r = PyObject_Compare(o1, o2); |
| 71 | if (PyErr_Occurred()) |
| 72 | return -1; |
| 73 | *result = r; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 74 | return 0; |
| 75 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 76 | |
| 77 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 78 | PyObject_Type(o) |
| 79 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 80 | { |
| 81 | PyObject *v; |
| 82 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 83 | if (o == NULL) |
| 84 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 85 | v = (PyObject *)o->ob_type; |
| 86 | Py_INCREF(v); |
| 87 | return v; |
| 88 | } |
| 89 | |
| 90 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 91 | PyObject_Length(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 92 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 93 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 94 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 95 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 96 | if (o == NULL) { |
| 97 | null_error(); |
| 98 | return -1; |
| 99 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 100 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 101 | m = o->ob_type->tp_as_sequence; |
| 102 | if (m && m->sq_length) |
| 103 | return m->sq_length(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 104 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 105 | return PyMapping_Length(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 106 | } |
| 107 | |
| 108 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 109 | PyObject_GetItem(o, key) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 110 | PyObject *o; |
| 111 | PyObject *key; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 112 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 113 | PyMappingMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 114 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 115 | if (o == NULL || key == NULL) |
| 116 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 117 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 118 | m = o->ob_type->tp_as_mapping; |
| 119 | if (m && m->mp_subscript) |
| 120 | return m->mp_subscript(o, key); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 121 | |
Guido van Rossum | 2130824 | 1998-08-13 16:44:44 +0000 | [diff] [blame] | 122 | if (o->ob_type->tp_as_sequence) { |
| 123 | if (PyInt_Check(key)) |
| 124 | return PySequence_GetItem(o, PyInt_AsLong(key)); |
Andrew M. Kuchling | 0f223d2 | 2000-02-23 22:21:50 +0000 | [diff] [blame] | 125 | else if (PyLong_Check(key)) { |
| 126 | long key_value = PyLong_AsLong(key); |
| 127 | if (key_value == -1 && PyErr_Occurred()) |
| 128 | return NULL; |
| 129 | return PySequence_GetItem(o, key_value); |
| 130 | } |
Guido van Rossum | 2130824 | 1998-08-13 16:44:44 +0000 | [diff] [blame] | 131 | return type_error("sequence index must be integer"); |
| 132 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 133 | |
| 134 | return type_error("unsubscriptable object"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 135 | } |
| 136 | |
| 137 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 138 | PyObject_SetItem(o, key, value) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 139 | PyObject *o; |
| 140 | PyObject *key; |
| 141 | PyObject *value; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 142 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 143 | PyMappingMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 144 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 145 | if (o == NULL || key == NULL || value == NULL) { |
| 146 | null_error(); |
| 147 | return -1; |
| 148 | } |
| 149 | m = o->ob_type->tp_as_mapping; |
| 150 | if (m && m->mp_ass_subscript) |
| 151 | return m->mp_ass_subscript(o, key, value); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 152 | |
Guido van Rossum | 2130824 | 1998-08-13 16:44:44 +0000 | [diff] [blame] | 153 | if (o->ob_type->tp_as_sequence) { |
| 154 | if (PyInt_Check(key)) |
| 155 | return PySequence_SetItem(o, PyInt_AsLong(key), value); |
Andrew M. Kuchling | 0f223d2 | 2000-02-23 22:21:50 +0000 | [diff] [blame] | 156 | else if (PyLong_Check(key)) { |
| 157 | long key_value = PyLong_AsLong(key); |
| 158 | if (key_value == -1 && PyErr_Occurred()) |
| 159 | return -1; |
| 160 | return PySequence_SetItem(o, key_value, value); |
| 161 | } |
Guido van Rossum | 2130824 | 1998-08-13 16:44:44 +0000 | [diff] [blame] | 162 | type_error("sequence index must be integer"); |
| 163 | return -1; |
| 164 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 165 | |
| 166 | type_error("object does not support item assignment"); |
| 167 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 168 | } |
| 169 | |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 170 | int |
| 171 | PyObject_DelItem(o, key) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 172 | PyObject *o; |
| 173 | PyObject *key; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 174 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 175 | PyMappingMethods *m; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 176 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 177 | if (o == NULL || key == NULL) { |
| 178 | null_error(); |
| 179 | return -1; |
| 180 | } |
| 181 | m = o->ob_type->tp_as_mapping; |
| 182 | if (m && m->mp_ass_subscript) |
| 183 | return m->mp_ass_subscript(o, key, (PyObject*)NULL); |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 184 | |
Guido van Rossum | 2130824 | 1998-08-13 16:44:44 +0000 | [diff] [blame] | 185 | if (o->ob_type->tp_as_sequence) { |
| 186 | if (PyInt_Check(key)) |
| 187 | return PySequence_DelItem(o, PyInt_AsLong(key)); |
Andrew M. Kuchling | 0f223d2 | 2000-02-23 22:21:50 +0000 | [diff] [blame] | 188 | else if (PyLong_Check(key)) { |
| 189 | long key_value = PyLong_AsLong(key); |
| 190 | if (key_value == -1 && PyErr_Occurred()) |
| 191 | return -1; |
| 192 | return PySequence_DelItem(o, key_value); |
| 193 | } |
Guido van Rossum | 2130824 | 1998-08-13 16:44:44 +0000 | [diff] [blame] | 194 | type_error("sequence index must be integer"); |
| 195 | return -1; |
| 196 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 197 | |
| 198 | type_error("object does not support item deletion"); |
| 199 | return -1; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 200 | } |
| 201 | |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 202 | int PyObject_AsCharBuffer(PyObject *obj, |
| 203 | const char **buffer, |
| 204 | int *buffer_len) |
| 205 | { |
| 206 | PyBufferProcs *pb; |
| 207 | const char *pp; |
| 208 | int len; |
| 209 | |
| 210 | if (obj == NULL || buffer == NULL || buffer_len == NULL) { |
| 211 | null_error(); |
| 212 | return -1; |
| 213 | } |
| 214 | pb = obj->ob_type->tp_as_buffer; |
| 215 | if ( pb == NULL || |
| 216 | pb->bf_getcharbuffer == NULL || |
| 217 | pb->bf_getsegcount == NULL ) { |
| 218 | PyErr_SetString(PyExc_TypeError, |
| 219 | "expected a character buffer object"); |
| 220 | goto onError; |
| 221 | } |
| 222 | if ( (*pb->bf_getsegcount)(obj,NULL) != 1 ) { |
| 223 | PyErr_SetString(PyExc_TypeError, |
| 224 | "expected a single-segment buffer object"); |
| 225 | goto onError; |
| 226 | } |
| 227 | len = (*pb->bf_getcharbuffer)(obj,0,&pp); |
| 228 | if (len < 0) |
| 229 | goto onError; |
| 230 | *buffer = pp; |
| 231 | *buffer_len = len; |
| 232 | return 0; |
| 233 | |
| 234 | onError: |
| 235 | return -1; |
| 236 | } |
| 237 | |
| 238 | int PyObject_AsReadBuffer(PyObject *obj, |
| 239 | const void **buffer, |
| 240 | int *buffer_len) |
| 241 | { |
| 242 | PyBufferProcs *pb; |
| 243 | void *pp; |
| 244 | int len; |
| 245 | |
| 246 | if (obj == NULL || buffer == NULL || buffer_len == NULL) { |
| 247 | null_error(); |
| 248 | return -1; |
| 249 | } |
| 250 | pb = obj->ob_type->tp_as_buffer; |
| 251 | if ( pb == NULL || |
| 252 | pb->bf_getreadbuffer == NULL || |
| 253 | pb->bf_getsegcount == NULL ) { |
| 254 | PyErr_SetString(PyExc_TypeError, |
| 255 | "expected a readable buffer object"); |
| 256 | goto onError; |
| 257 | } |
| 258 | if ( (*pb->bf_getsegcount)(obj,NULL) != 1 ) { |
| 259 | PyErr_SetString(PyExc_TypeError, |
| 260 | "expected a single-segment buffer object"); |
| 261 | goto onError; |
| 262 | } |
| 263 | len = (*pb->bf_getreadbuffer)(obj,0,&pp); |
| 264 | if (len < 0) |
| 265 | goto onError; |
| 266 | *buffer = pp; |
| 267 | *buffer_len = len; |
| 268 | return 0; |
| 269 | |
| 270 | onError: |
| 271 | return -1; |
| 272 | } |
| 273 | |
| 274 | int PyObject_AsWriteBuffer(PyObject *obj, |
| 275 | void **buffer, |
| 276 | int *buffer_len) |
| 277 | { |
| 278 | PyBufferProcs *pb; |
| 279 | void*pp; |
| 280 | int len; |
| 281 | |
| 282 | if (obj == NULL || buffer == NULL || buffer_len == NULL) { |
| 283 | null_error(); |
| 284 | return -1; |
| 285 | } |
| 286 | pb = obj->ob_type->tp_as_buffer; |
| 287 | if ( pb == NULL || |
| 288 | pb->bf_getwritebuffer == NULL || |
| 289 | pb->bf_getsegcount == NULL ) { |
| 290 | PyErr_SetString(PyExc_TypeError, |
| 291 | "expected a writeable buffer object"); |
| 292 | goto onError; |
| 293 | } |
| 294 | if ( (*pb->bf_getsegcount)(obj,NULL) != 1 ) { |
| 295 | PyErr_SetString(PyExc_TypeError, |
| 296 | "expected a single-segment buffer object"); |
| 297 | goto onError; |
| 298 | } |
| 299 | len = (*pb->bf_getwritebuffer)(obj,0,&pp); |
| 300 | if (len < 0) |
| 301 | goto onError; |
| 302 | *buffer = pp; |
| 303 | *buffer_len = len; |
| 304 | return 0; |
| 305 | |
| 306 | onError: |
| 307 | return -1; |
| 308 | } |
| 309 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 310 | /* Operations on numbers */ |
| 311 | |
| 312 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 313 | PyNumber_Check(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 314 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 315 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 316 | return o && o->ob_type->tp_as_number; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 317 | } |
| 318 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 319 | /* Binary operators */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 320 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 321 | #define BINOP(v, w, opname, ropname, thisfunc) \ |
| 322 | if (PyInstance_Check(v) || PyInstance_Check(w)) \ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 323 | return PyInstance_DoBinOp(v, w, opname, ropname, thisfunc) |
| 324 | |
| 325 | PyObject * |
| 326 | PyNumber_Or(v, w) |
| 327 | PyObject *v, *w; |
| 328 | { |
| 329 | extern int PyNumber_Coerce(); |
| 330 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 331 | BINOP(v, w, "__or__", "__ror__", PyNumber_Or); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 332 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 333 | PyObject *x = NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 334 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 335 | if (PyNumber_Coerce(&v, &w) != 0) |
| 336 | return NULL; |
| 337 | if ((f = v->ob_type->tp_as_number->nb_or) != NULL) |
| 338 | x = (*f)(v, w); |
| 339 | Py_DECREF(v); |
| 340 | Py_DECREF(w); |
| 341 | if (f != NULL) |
| 342 | return x; |
| 343 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 344 | return type_error("bad operand type(s) for |"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 345 | } |
| 346 | |
| 347 | PyObject * |
| 348 | PyNumber_Xor(v, w) |
| 349 | PyObject *v, *w; |
| 350 | { |
| 351 | extern int PyNumber_Coerce(); |
| 352 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 353 | BINOP(v, w, "__xor__", "__rxor__", PyNumber_Xor); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 354 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 355 | PyObject *x = NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 356 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 357 | if (PyNumber_Coerce(&v, &w) != 0) |
| 358 | return NULL; |
| 359 | if ((f = v->ob_type->tp_as_number->nb_xor) != NULL) |
| 360 | x = (*f)(v, w); |
| 361 | Py_DECREF(v); |
| 362 | Py_DECREF(w); |
| 363 | if (f != NULL) |
| 364 | return x; |
| 365 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 366 | return type_error("bad operand type(s) for ^"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 367 | } |
| 368 | |
| 369 | PyObject * |
| 370 | PyNumber_And(v, w) |
| 371 | PyObject *v, *w; |
| 372 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 373 | BINOP(v, w, "__and__", "__rand__", PyNumber_And); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 374 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 375 | PyObject *x = NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 376 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 377 | if (PyNumber_Coerce(&v, &w) != 0) |
| 378 | return NULL; |
| 379 | if ((f = v->ob_type->tp_as_number->nb_and) != NULL) |
| 380 | x = (*f)(v, w); |
| 381 | Py_DECREF(v); |
| 382 | Py_DECREF(w); |
| 383 | if (f != NULL) |
| 384 | return x; |
| 385 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 386 | return type_error("bad operand type(s) for &"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 387 | } |
| 388 | |
| 389 | PyObject * |
| 390 | PyNumber_Lshift(v, w) |
| 391 | PyObject *v, *w; |
| 392 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 393 | BINOP(v, w, "__lshift__", "__rlshift__", PyNumber_Lshift); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 394 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 395 | PyObject *x = NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 396 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 397 | if (PyNumber_Coerce(&v, &w) != 0) |
| 398 | return NULL; |
| 399 | if ((f = v->ob_type->tp_as_number->nb_lshift) != NULL) |
| 400 | x = (*f)(v, w); |
| 401 | Py_DECREF(v); |
| 402 | Py_DECREF(w); |
| 403 | if (f != NULL) |
| 404 | return x; |
| 405 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 406 | return type_error("bad operand type(s) for <<"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 407 | } |
| 408 | |
| 409 | PyObject * |
| 410 | PyNumber_Rshift(v, w) |
| 411 | PyObject *v, *w; |
| 412 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 413 | BINOP(v, w, "__rshift__", "__rrshift__", PyNumber_Rshift); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 414 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 415 | PyObject *x = NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 416 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 417 | if (PyNumber_Coerce(&v, &w) != 0) |
| 418 | return NULL; |
| 419 | if ((f = v->ob_type->tp_as_number->nb_rshift) != NULL) |
| 420 | x = (*f)(v, w); |
| 421 | Py_DECREF(v); |
| 422 | Py_DECREF(w); |
| 423 | if (f != NULL) |
| 424 | return x; |
| 425 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 426 | return type_error("bad operand type(s) for >>"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 427 | } |
| 428 | |
| 429 | PyObject * |
| 430 | PyNumber_Add(v, w) |
| 431 | PyObject *v, *w; |
| 432 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 433 | PySequenceMethods *m; |
| 434 | |
| 435 | BINOP(v, w, "__add__", "__radd__", PyNumber_Add); |
| 436 | m = v->ob_type->tp_as_sequence; |
| 437 | if (m && m->sq_concat) |
| 438 | return (*m->sq_concat)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 439 | else if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 440 | PyObject *x = NULL; |
| 441 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 442 | if (PyNumber_Coerce(&v, &w) != 0) |
| 443 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 444 | if ((f = v->ob_type->tp_as_number->nb_add) != NULL) |
| 445 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 446 | Py_DECREF(v); |
| 447 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 448 | if (f != NULL) |
| 449 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 450 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 451 | return type_error("bad operand type(s) for +"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 452 | } |
| 453 | |
| 454 | PyObject * |
| 455 | PyNumber_Subtract(v, w) |
| 456 | PyObject *v, *w; |
| 457 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 458 | BINOP(v, w, "__sub__", "__rsub__", PyNumber_Subtract); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 459 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 460 | PyObject *x = NULL; |
| 461 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 462 | if (PyNumber_Coerce(&v, &w) != 0) |
| 463 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 464 | if ((f = v->ob_type->tp_as_number->nb_subtract) != NULL) |
| 465 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 466 | Py_DECREF(v); |
| 467 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 468 | if (f != NULL) |
| 469 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 470 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 471 | return type_error("bad operand type(s) for -"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 472 | } |
| 473 | |
| 474 | PyObject * |
| 475 | PyNumber_Multiply(v, w) |
| 476 | PyObject *v, *w; |
| 477 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 478 | PyTypeObject *tp = v->ob_type; |
| 479 | PySequenceMethods *m; |
| 480 | |
| 481 | BINOP(v, w, "__mul__", "__rmul__", PyNumber_Multiply); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 482 | if (tp->tp_as_number != NULL && |
| 483 | w->ob_type->tp_as_sequence != NULL && |
| 484 | !PyInstance_Check(v)) { |
| 485 | /* number*sequence -- swap v and w */ |
| 486 | PyObject *tmp = v; |
| 487 | v = w; |
| 488 | w = tmp; |
| 489 | tp = v->ob_type; |
| 490 | } |
| 491 | if (tp->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 492 | PyObject *x = NULL; |
| 493 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 494 | if (PyInstance_Check(v)) { |
| 495 | /* Instances of user-defined classes get their |
| 496 | other argument uncoerced, so they may |
| 497 | implement sequence*number as well as |
| 498 | number*number. */ |
| 499 | Py_INCREF(v); |
| 500 | Py_INCREF(w); |
| 501 | } |
| 502 | else if (PyNumber_Coerce(&v, &w) != 0) |
| 503 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 504 | if ((f = v->ob_type->tp_as_number->nb_multiply) != NULL) |
| 505 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 506 | Py_DECREF(v); |
| 507 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 508 | if (f != NULL) |
| 509 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 510 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 511 | m = tp->tp_as_sequence; |
| 512 | if (m && m->sq_repeat) { |
Andrew M. Kuchling | 1991ddc | 2000-02-14 22:22:04 +0000 | [diff] [blame] | 513 | long mul_value; |
| 514 | |
| 515 | if (PyInt_Check(w)) { |
| 516 | mul_value = PyInt_AsLong(w); |
| 517 | } |
| 518 | else if (PyLong_Check(w)) { |
| 519 | mul_value = PyLong_AsLong(w); |
Andrew M. Kuchling | 0f223d2 | 2000-02-23 22:21:50 +0000 | [diff] [blame] | 520 | if (mul_value == -1 && PyErr_Occurred()) |
Andrew M. Kuchling | 1991ddc | 2000-02-14 22:22:04 +0000 | [diff] [blame] | 521 | return NULL; |
| 522 | } |
| 523 | else { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 524 | return type_error( |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 525 | "can't multiply sequence with non-int"); |
Andrew M. Kuchling | 1991ddc | 2000-02-14 22:22:04 +0000 | [diff] [blame] | 526 | } |
| 527 | return (*m->sq_repeat)(v, (int)mul_value); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 528 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 529 | return type_error("bad operand type(s) for *"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 530 | } |
| 531 | |
| 532 | PyObject * |
| 533 | PyNumber_Divide(v, w) |
| 534 | PyObject *v, *w; |
| 535 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 536 | BINOP(v, w, "__div__", "__rdiv__", PyNumber_Divide); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 537 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 538 | PyObject *x = NULL; |
| 539 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 540 | if (PyNumber_Coerce(&v, &w) != 0) |
| 541 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 542 | if ((f = v->ob_type->tp_as_number->nb_divide) != NULL) |
| 543 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 544 | Py_DECREF(v); |
| 545 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 546 | if (f != NULL) |
| 547 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 548 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 549 | return type_error("bad operand type(s) for /"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 550 | } |
| 551 | |
| 552 | PyObject * |
| 553 | PyNumber_Remainder(v, w) |
| 554 | PyObject *v, *w; |
| 555 | { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 556 | if (PyString_Check(v)) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 557 | return PyString_Format(v, w); |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 558 | else if (PyUnicode_Check(v)) |
| 559 | return PyUnicode_Format(v, w); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 560 | BINOP(v, w, "__mod__", "__rmod__", PyNumber_Remainder); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 561 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 562 | PyObject *x = NULL; |
| 563 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 564 | if (PyNumber_Coerce(&v, &w) != 0) |
| 565 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 566 | if ((f = v->ob_type->tp_as_number->nb_remainder) != NULL) |
| 567 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 568 | Py_DECREF(v); |
| 569 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 570 | if (f != NULL) |
| 571 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 572 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 573 | return type_error("bad operand type(s) for %"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 574 | } |
| 575 | |
| 576 | PyObject * |
| 577 | PyNumber_Divmod(v, w) |
| 578 | PyObject *v, *w; |
| 579 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 580 | BINOP(v, w, "__divmod__", "__rdivmod__", PyNumber_Divmod); |
| 581 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 582 | PyObject *x = NULL; |
| 583 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 584 | if (PyNumber_Coerce(&v, &w) != 0) |
| 585 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 586 | if ((f = v->ob_type->tp_as_number->nb_divmod) != NULL) |
| 587 | x = (*f)(v, w); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 588 | Py_DECREF(v); |
| 589 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 590 | if (f != NULL) |
| 591 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 592 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 593 | return type_error("bad operand type(s) for divmod()"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 594 | } |
| 595 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 596 | /* Power (binary or ternary) */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 597 | |
| 598 | static PyObject * |
| 599 | do_pow(v, w) |
| 600 | PyObject *v, *w; |
| 601 | { |
| 602 | PyObject *res; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 603 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *, PyObject *)); |
| 604 | BINOP(v, w, "__pow__", "__rpow__", do_pow); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 605 | if (v->ob_type->tp_as_number == NULL || |
| 606 | w->ob_type->tp_as_number == NULL) { |
| 607 | PyErr_SetString(PyExc_TypeError, |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 608 | "pow(x, y) requires numeric arguments"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 609 | return NULL; |
| 610 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 611 | if (PyNumber_Coerce(&v, &w) != 0) |
| 612 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 613 | if ((f = v->ob_type->tp_as_number->nb_power) != NULL) |
| 614 | res = (*f)(v, w, Py_None); |
| 615 | else |
| 616 | res = type_error("pow(x, y) not defined for these operands"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 617 | Py_DECREF(v); |
| 618 | Py_DECREF(w); |
| 619 | return res; |
| 620 | } |
| 621 | |
| 622 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 623 | PyNumber_Power(v, w, z) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 624 | PyObject *v, *w, *z; |
| 625 | { |
| 626 | PyObject *res; |
| 627 | PyObject *v1, *z1, *w2, *z2; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 628 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 629 | |
| 630 | if (z == Py_None) |
| 631 | return do_pow(v, w); |
| 632 | /* XXX The ternary version doesn't do class instance coercions */ |
| 633 | if (PyInstance_Check(v)) |
| 634 | return v->ob_type->tp_as_number->nb_power(v, w, z); |
| 635 | if (v->ob_type->tp_as_number == NULL || |
| 636 | z->ob_type->tp_as_number == NULL || |
| 637 | w->ob_type->tp_as_number == NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 638 | return type_error("pow(x, y, z) requires numeric arguments"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 639 | } |
| 640 | if (PyNumber_Coerce(&v, &w) != 0) |
| 641 | return NULL; |
| 642 | res = NULL; |
| 643 | v1 = v; |
| 644 | z1 = z; |
| 645 | if (PyNumber_Coerce(&v1, &z1) != 0) |
| 646 | goto error2; |
| 647 | w2 = w; |
| 648 | z2 = z1; |
| 649 | if (PyNumber_Coerce(&w2, &z2) != 0) |
| 650 | goto error1; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 651 | if ((f = v1->ob_type->tp_as_number->nb_power) != NULL) |
| 652 | res = (*f)(v1, w2, z2); |
| 653 | else |
| 654 | res = type_error( |
| 655 | "pow(x, y, z) not defined for these operands"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 656 | Py_DECREF(w2); |
| 657 | Py_DECREF(z2); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 658 | error1: |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 659 | Py_DECREF(v1); |
| 660 | Py_DECREF(z1); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 661 | error2: |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 662 | Py_DECREF(v); |
| 663 | Py_DECREF(w); |
| 664 | return res; |
| 665 | } |
| 666 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 667 | /* Unary operators and functions */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 668 | |
| 669 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 670 | PyNumber_Negative(o) |
| 671 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 672 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 673 | PyNumberMethods *m; |
| 674 | |
| 675 | if (o == NULL) |
| 676 | return null_error(); |
| 677 | m = o->ob_type->tp_as_number; |
| 678 | if (m && m->nb_negative) |
| 679 | return (*m->nb_negative)(o); |
| 680 | |
| 681 | return type_error("bad operand type for unary -"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 682 | } |
| 683 | |
| 684 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 685 | PyNumber_Positive(o) |
| 686 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 687 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 688 | PyNumberMethods *m; |
| 689 | |
| 690 | if (o == NULL) |
| 691 | return null_error(); |
| 692 | m = o->ob_type->tp_as_number; |
| 693 | if (m && m->nb_positive) |
| 694 | return (*m->nb_positive)(o); |
| 695 | |
| 696 | return type_error("bad operand type for unary +"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 697 | } |
| 698 | |
| 699 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 700 | PyNumber_Invert(o) |
| 701 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 702 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 703 | PyNumberMethods *m; |
| 704 | |
| 705 | if (o == NULL) |
| 706 | return null_error(); |
| 707 | m = o->ob_type->tp_as_number; |
| 708 | if (m && m->nb_invert) |
| 709 | return (*m->nb_invert)(o); |
| 710 | |
| 711 | return type_error("bad operand type for unary ~"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 712 | } |
| 713 | |
| 714 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 715 | PyNumber_Absolute(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 716 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 717 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 718 | PyNumberMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 719 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 720 | if (o == NULL) |
| 721 | return null_error(); |
| 722 | m = o->ob_type->tp_as_number; |
| 723 | if (m && m->nb_absolute) |
| 724 | return m->nb_absolute(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 725 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 726 | return type_error("bad operand type for abs()"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 727 | } |
| 728 | |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 729 | /* Add a check for embedded NULL-bytes in the argument. */ |
| 730 | static PyObject * |
| 731 | int_from_string(s, len) |
| 732 | const char *s; |
| 733 | int len; |
| 734 | { |
| 735 | char *end; |
| 736 | PyObject *x; |
| 737 | |
| 738 | x = PyInt_FromString((char*)s, &end, 10); |
| 739 | if (x == NULL) |
| 740 | return NULL; |
| 741 | if (end != s + len) { |
| 742 | PyErr_SetString(PyExc_ValueError, |
| 743 | "null byte in argument for int()"); |
| 744 | Py_DECREF(x); |
| 745 | return NULL; |
| 746 | } |
| 747 | return x; |
| 748 | } |
| 749 | |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 750 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 751 | PyNumber_Int(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 752 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 753 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 754 | PyNumberMethods *m; |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 755 | const char *buffer; |
| 756 | int buffer_len; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 757 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 758 | if (o == NULL) |
| 759 | return null_error(); |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 760 | if (PyInt_Check(o)) { |
| 761 | Py_INCREF(o); |
| 762 | return o; |
| 763 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 764 | if (PyString_Check(o)) |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 765 | return int_from_string(PyString_AS_STRING(o), |
| 766 | PyString_GET_SIZE(o)); |
| 767 | if (PyUnicode_Check(o)) |
| 768 | return PyInt_FromUnicode(PyUnicode_AS_UNICODE(o), |
| 769 | PyUnicode_GET_SIZE(o), |
| 770 | 10); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 771 | m = o->ob_type->tp_as_number; |
| 772 | if (m && m->nb_int) |
| 773 | return m->nb_int(o); |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 774 | if (!PyObject_AsCharBuffer(o, &buffer, &buffer_len)) |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 775 | return int_from_string((char*)buffer, buffer_len); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 776 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 777 | return type_error("object can't be converted to int"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 778 | } |
| 779 | |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 780 | /* Add a check for embedded NULL-bytes in the argument. */ |
Barry Warsaw | 226ae6c | 1999-10-12 19:54:53 +0000 | [diff] [blame] | 781 | static PyObject * |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 782 | long_from_string(s, len) |
| 783 | const char *s; |
| 784 | int len; |
Barry Warsaw | 226ae6c | 1999-10-12 19:54:53 +0000 | [diff] [blame] | 785 | { |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 786 | char *end; |
Barry Warsaw | 226ae6c | 1999-10-12 19:54:53 +0000 | [diff] [blame] | 787 | PyObject *x; |
Barry Warsaw | 226ae6c | 1999-10-12 19:54:53 +0000 | [diff] [blame] | 788 | |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 789 | x = PyLong_FromString((char*)s, &end, 10); |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 790 | if (x == NULL) |
Barry Warsaw | 226ae6c | 1999-10-12 19:54:53 +0000 | [diff] [blame] | 791 | return NULL; |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 792 | if (end != s + len) { |
Barry Warsaw | 226ae6c | 1999-10-12 19:54:53 +0000 | [diff] [blame] | 793 | PyErr_SetString(PyExc_ValueError, |
| 794 | "null byte in argument for long()"); |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 795 | Py_DECREF(x); |
Barry Warsaw | 226ae6c | 1999-10-12 19:54:53 +0000 | [diff] [blame] | 796 | return NULL; |
| 797 | } |
| 798 | return x; |
| 799 | } |
| 800 | |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 801 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 802 | PyNumber_Long(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 803 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 804 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 805 | PyNumberMethods *m; |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 806 | const char *buffer; |
| 807 | int buffer_len; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 808 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 809 | if (o == NULL) |
| 810 | return null_error(); |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 811 | if (PyLong_Check(o)) { |
| 812 | Py_INCREF(o); |
| 813 | return o; |
| 814 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 815 | if (PyString_Check(o)) |
Barry Warsaw | 226ae6c | 1999-10-12 19:54:53 +0000 | [diff] [blame] | 816 | /* need to do extra error checking that PyLong_FromString() |
| 817 | * doesn't do. In particular long('9.5') must raise an |
| 818 | * exception, not truncate the float. |
| 819 | */ |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 820 | return long_from_string(PyString_AS_STRING(o), |
| 821 | PyString_GET_SIZE(o)); |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 822 | if (PyUnicode_Check(o)) |
| 823 | /* The above check is done in PyLong_FromUnicode(). */ |
| 824 | return PyLong_FromUnicode(PyUnicode_AS_UNICODE(o), |
| 825 | PyUnicode_GET_SIZE(o), |
| 826 | 10); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 827 | m = o->ob_type->tp_as_number; |
| 828 | if (m && m->nb_long) |
| 829 | return m->nb_long(o); |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 830 | if (!PyObject_AsCharBuffer(o, &buffer, &buffer_len)) |
| 831 | return long_from_string(buffer, buffer_len); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 832 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 833 | return type_error("object can't be converted to long"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 834 | } |
| 835 | |
| 836 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 837 | PyNumber_Float(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 838 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 839 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 840 | PyNumberMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 841 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 842 | if (o == NULL) |
| 843 | return null_error(); |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 844 | if (PyFloat_Check(o)) { |
| 845 | Py_INCREF(o); |
| 846 | return o; |
| 847 | } |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 848 | if (!PyString_Check(o)) { |
| 849 | m = o->ob_type->tp_as_number; |
| 850 | if (m && m->nb_float) |
| 851 | return m->nb_float(o); |
| 852 | } |
| 853 | return PyFloat_FromString(o, NULL); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 854 | } |
| 855 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 856 | /* Operations on sequences */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 857 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 858 | int |
| 859 | PySequence_Check(s) |
| 860 | PyObject *s; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 861 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 862 | return s != NULL && s->ob_type->tp_as_sequence; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 863 | } |
| 864 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 865 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 866 | PySequence_Length(s) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 867 | PyObject *s; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 868 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 869 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 870 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 871 | if (s == NULL) { |
| 872 | null_error(); |
| 873 | return -1; |
| 874 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 875 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 876 | m = s->ob_type->tp_as_sequence; |
| 877 | if (m && m->sq_length) |
| 878 | return m->sq_length(s); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 879 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 880 | type_error("len() of unsized object"); |
| 881 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 882 | } |
| 883 | |
| 884 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 885 | PySequence_Concat(s, o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 886 | PyObject *s; |
| 887 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 888 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 889 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 890 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 891 | if (s == NULL || o == NULL) |
| 892 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 893 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 894 | m = s->ob_type->tp_as_sequence; |
| 895 | if (m && m->sq_concat) |
| 896 | return m->sq_concat(s, o); |
| 897 | |
| 898 | return type_error("object can't be concatenated"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 899 | } |
| 900 | |
| 901 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 902 | PySequence_Repeat(o, count) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 903 | PyObject *o; |
| 904 | int count; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 905 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 906 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 907 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 908 | if (o == NULL) |
| 909 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 910 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 911 | m = o->ob_type->tp_as_sequence; |
| 912 | if (m && m->sq_repeat) |
| 913 | return m->sq_repeat(o, count); |
| 914 | |
| 915 | return type_error("object can't be repeated"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 916 | } |
| 917 | |
| 918 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 919 | PySequence_GetItem(s, i) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 920 | PyObject *s; |
| 921 | int i; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 922 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 923 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 924 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 925 | if (s == NULL) |
| 926 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 927 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 928 | m = s->ob_type->tp_as_sequence; |
| 929 | if (m && m->sq_item) { |
| 930 | if (i < 0) { |
| 931 | if (m->sq_length) { |
| 932 | int l = (*m->sq_length)(s); |
| 933 | if (l < 0) |
| 934 | return NULL; |
| 935 | i += l; |
| 936 | } |
| 937 | } |
| 938 | return m->sq_item(s, i); |
| 939 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 940 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 941 | return type_error("unindexable object"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 942 | } |
| 943 | |
| 944 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 945 | PySequence_GetSlice(s, i1, i2) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 946 | PyObject *s; |
| 947 | int i1; |
| 948 | int i2; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 949 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 950 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 951 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 952 | if (!s) return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 953 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 954 | m = s->ob_type->tp_as_sequence; |
| 955 | if (m && m->sq_slice) { |
| 956 | if (i1 < 0 || i2 < 0) { |
| 957 | if (m->sq_length) { |
| 958 | int l = (*m->sq_length)(s); |
| 959 | if (l < 0) |
| 960 | return NULL; |
| 961 | if (i1 < 0) |
| 962 | i1 += l; |
| 963 | if (i2 < 0) |
| 964 | i2 += l; |
| 965 | } |
| 966 | } |
| 967 | return m->sq_slice(s, i1, i2); |
| 968 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 969 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 970 | return type_error("unsliceable object"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 971 | } |
| 972 | |
| 973 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 974 | PySequence_SetItem(s, i, o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 975 | PyObject *s; |
| 976 | int i; |
| 977 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 978 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 979 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 980 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 981 | if (s == NULL) { |
| 982 | null_error(); |
| 983 | return -1; |
| 984 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 985 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 986 | m = s->ob_type->tp_as_sequence; |
| 987 | if (m && m->sq_ass_item) { |
| 988 | if (i < 0) { |
| 989 | if (m->sq_length) { |
| 990 | int l = (*m->sq_length)(s); |
| 991 | if (l < 0) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 992 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 993 | i += l; |
| 994 | } |
| 995 | } |
| 996 | return m->sq_ass_item(s, i, o); |
| 997 | } |
| 998 | |
| 999 | type_error("object doesn't support item assignment"); |
| 1000 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1001 | } |
| 1002 | |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 1003 | int |
| 1004 | PySequence_DelItem(s, i) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1005 | PyObject *s; |
| 1006 | int i; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 1007 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1008 | PySequenceMethods *m; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 1009 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1010 | if (s == NULL) { |
| 1011 | null_error(); |
| 1012 | return -1; |
| 1013 | } |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 1014 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1015 | m = s->ob_type->tp_as_sequence; |
| 1016 | if (m && m->sq_ass_item) { |
| 1017 | if (i < 0) { |
| 1018 | if (m->sq_length) { |
| 1019 | int l = (*m->sq_length)(s); |
| 1020 | if (l < 0) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 1021 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1022 | i += l; |
| 1023 | } |
| 1024 | } |
| 1025 | return m->sq_ass_item(s, i, (PyObject *)NULL); |
| 1026 | } |
| 1027 | |
| 1028 | type_error("object doesn't support item deletion"); |
| 1029 | return -1; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 1030 | } |
| 1031 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1032 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1033 | PySequence_SetSlice(s, i1, i2, o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1034 | PyObject *s; |
| 1035 | int i1; |
| 1036 | int i2; |
| 1037 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1038 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1039 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1040 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1041 | if (s == NULL) { |
| 1042 | null_error(); |
| 1043 | return -1; |
| 1044 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1045 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1046 | m = s->ob_type->tp_as_sequence; |
| 1047 | if (m && m->sq_ass_slice) { |
| 1048 | if (i1 < 0 || i2 < 0) { |
| 1049 | if (m->sq_length) { |
| 1050 | int l = (*m->sq_length)(s); |
| 1051 | if (l < 0) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 1052 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1053 | if (i1 < 0) |
| 1054 | i1 += l; |
| 1055 | if (i2 < 0) |
| 1056 | i2 += l; |
| 1057 | } |
| 1058 | } |
| 1059 | return m->sq_ass_slice(s, i1, i2, o); |
| 1060 | } |
| 1061 | type_error("object doesn't support slice assignment"); |
| 1062 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1063 | } |
| 1064 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1065 | int |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 1066 | PySequence_DelSlice(s, i1, i2) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1067 | PyObject *s; |
| 1068 | int i1; |
| 1069 | int i2; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 1070 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1071 | PySequenceMethods *m; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 1072 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1073 | if (s == NULL) { |
| 1074 | null_error(); |
| 1075 | return -1; |
| 1076 | } |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 1077 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1078 | m = s->ob_type->tp_as_sequence; |
| 1079 | if (m && m->sq_ass_slice) { |
| 1080 | if (i1 < 0 || i2 < 0) { |
| 1081 | if (m->sq_length) { |
| 1082 | int l = (*m->sq_length)(s); |
| 1083 | if (l < 0) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 1084 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1085 | if (i1 < 0) |
| 1086 | i1 += l; |
| 1087 | if (i2 < 0) |
| 1088 | i2 += l; |
| 1089 | } |
| 1090 | } |
| 1091 | return m->sq_ass_slice(s, i1, i2, (PyObject *)NULL); |
| 1092 | } |
| 1093 | type_error("object doesn't support slice deletion"); |
| 1094 | return -1; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 1095 | } |
| 1096 | |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1097 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1098 | PySequence_Tuple(v) |
| 1099 | PyObject *v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1100 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1101 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1102 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1103 | if (v == NULL) |
| 1104 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1105 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1106 | if (PyTuple_Check(v)) { |
| 1107 | Py_INCREF(v); |
| 1108 | return v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1109 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1110 | |
| 1111 | if (PyList_Check(v)) |
| 1112 | return PyList_AsTuple(v); |
| 1113 | |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1114 | /* There used to be code for strings here, but tuplifying strings is |
| 1115 | not a common activity, so I nuked it. Down with code bloat! */ |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1116 | |
| 1117 | /* Generic sequence object */ |
| 1118 | m = v->ob_type->tp_as_sequence; |
| 1119 | if (m && m->sq_item) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1120 | int i; |
| 1121 | PyObject *t; |
| 1122 | int n = PySequence_Length(v); |
| 1123 | if (n < 0) |
| 1124 | return NULL; |
| 1125 | t = PyTuple_New(n); |
| 1126 | if (t == NULL) |
| 1127 | return NULL; |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1128 | for (i = 0; ; i++) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1129 | PyObject *item = (*m->sq_item)(v, i); |
| 1130 | if (item == NULL) { |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1131 | if (PyErr_ExceptionMatches(PyExc_IndexError)) |
| 1132 | PyErr_Clear(); |
| 1133 | else { |
| 1134 | Py_DECREF(t); |
| 1135 | t = NULL; |
| 1136 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1137 | break; |
| 1138 | } |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1139 | if (i >= n) { |
| 1140 | if (n < 500) |
| 1141 | n += 10; |
| 1142 | else |
| 1143 | n += 100; |
| 1144 | if (_PyTuple_Resize(&t, n, 0) != 0) |
| 1145 | break; |
| 1146 | } |
| 1147 | PyTuple_SET_ITEM(t, i, item); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1148 | } |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1149 | if (i < n && t != NULL) |
| 1150 | _PyTuple_Resize(&t, i, 0); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1151 | return t; |
| 1152 | } |
| 1153 | |
| 1154 | /* None of the above */ |
| 1155 | return type_error("tuple() argument must be a sequence"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1156 | } |
| 1157 | |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 1158 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1159 | PySequence_List(v) |
| 1160 | PyObject *v; |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 1161 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1162 | PySequenceMethods *m; |
Guido van Rossum | 4669fb4 | 1997-04-02 05:31:09 +0000 | [diff] [blame] | 1163 | |
Guido van Rossum | 5dba9e8 | 1998-07-10 18:03:50 +0000 | [diff] [blame] | 1164 | if (v == NULL) |
| 1165 | return null_error(); |
| 1166 | |
| 1167 | if (PyList_Check(v)) |
| 1168 | return PyList_GetSlice(v, 0, PyList_GET_SIZE(v)); |
| 1169 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1170 | m = v->ob_type->tp_as_sequence; |
| 1171 | if (m && m->sq_item) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1172 | int i; |
| 1173 | PyObject *l; |
| 1174 | int n = PySequence_Length(v); |
| 1175 | if (n < 0) |
| 1176 | return NULL; |
| 1177 | l = PyList_New(n); |
| 1178 | if (l == NULL) |
| 1179 | return NULL; |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1180 | for (i = 0; ; i++) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1181 | PyObject *item = (*m->sq_item)(v, i); |
| 1182 | if (item == NULL) { |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1183 | if (PyErr_ExceptionMatches(PyExc_IndexError)) |
| 1184 | PyErr_Clear(); |
| 1185 | else { |
| 1186 | Py_DECREF(l); |
| 1187 | l = NULL; |
| 1188 | } |
| 1189 | break; |
| 1190 | } |
| 1191 | if (i < n) |
| 1192 | PyList_SET_ITEM(l, i, item); |
| 1193 | else if (PyList_Append(l, item) < 0) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1194 | Py_DECREF(l); |
| 1195 | l = NULL; |
| 1196 | break; |
| 1197 | } |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1198 | } |
| 1199 | if (i < n && l != NULL) { |
| 1200 | if (PyList_SetSlice(l, i, n, (PyObject *)NULL) != 0) { |
| 1201 | Py_DECREF(l); |
| 1202 | l = NULL; |
| 1203 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1204 | } |
| 1205 | return l; |
Guido van Rossum | 4669fb4 | 1997-04-02 05:31:09 +0000 | [diff] [blame] | 1206 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1207 | return type_error("list() argument must be a sequence"); |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 1208 | } |
| 1209 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1210 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1211 | PySequence_Count(s, o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1212 | PyObject *s; |
| 1213 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1214 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1215 | int l, i, n, cmp, err; |
| 1216 | PyObject *item; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1217 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1218 | if (s == NULL || o == NULL) { |
| 1219 | null_error(); |
| 1220 | return -1; |
| 1221 | } |
| 1222 | |
| 1223 | l = PySequence_Length(s); |
| 1224 | if (l < 0) |
| 1225 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1226 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1227 | n = 0; |
| 1228 | for (i = 0; i < l; i++) { |
| 1229 | item = PySequence_GetItem(s, i); |
| 1230 | if (item == NULL) |
| 1231 | return -1; |
| 1232 | err = PyObject_Cmp(item, o, &cmp); |
| 1233 | Py_DECREF(item); |
| 1234 | if (err < 0) |
| 1235 | return err; |
| 1236 | if (cmp == 0) |
| 1237 | n++; |
| 1238 | } |
| 1239 | return n; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1240 | } |
| 1241 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1242 | int |
| 1243 | PySequence_Contains(w, v) /* v in w */ |
| 1244 | PyObject *w; |
| 1245 | PyObject *v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1246 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1247 | int i, cmp; |
| 1248 | PyObject *x; |
| 1249 | PySequenceMethods *sq; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1250 | |
Guido van Rossum | 46c6b20 | 2000-02-28 15:01:46 +0000 | [diff] [blame] | 1251 | if(PyType_HasFeature(w->ob_type, Py_TPFLAGS_HAVE_SEQUENCE_IN)) { |
| 1252 | sq = w->ob_type->tp_as_sequence; |
| 1253 | if(sq != NULL && sq->sq_contains != NULL) |
| 1254 | return (*sq->sq_contains)(w, v); |
| 1255 | } |
| 1256 | |
| 1257 | /* If there is no better way to check whether an item is is contained, |
| 1258 | do it the hard way */ |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1259 | sq = w->ob_type->tp_as_sequence; |
| 1260 | if (sq == NULL || sq->sq_item == NULL) { |
| 1261 | PyErr_SetString(PyExc_TypeError, |
| 1262 | "'in' or 'not in' needs sequence right argument"); |
| 1263 | return -1; |
| 1264 | } |
| 1265 | |
| 1266 | for (i = 0; ; i++) { |
| 1267 | x = (*sq->sq_item)(w, i); |
| 1268 | if (x == NULL) { |
Guido van Rossum | 08570de | 1998-05-28 19:24:35 +0000 | [diff] [blame] | 1269 | if (PyErr_ExceptionMatches(PyExc_IndexError)) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1270 | PyErr_Clear(); |
| 1271 | break; |
| 1272 | } |
| 1273 | return -1; |
| 1274 | } |
| 1275 | cmp = PyObject_Compare(v, x); |
| 1276 | Py_XDECREF(x); |
| 1277 | if (cmp == 0) |
| 1278 | return 1; |
| 1279 | if (PyErr_Occurred()) |
| 1280 | return -1; |
| 1281 | } |
| 1282 | |
| 1283 | return 0; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1284 | } |
| 1285 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1286 | /* Backwards compatibility */ |
| 1287 | #undef PySequence_In |
| 1288 | int |
| 1289 | PySequence_In(w, v) |
| 1290 | PyObject *w; |
| 1291 | PyObject *v; |
| 1292 | { |
| 1293 | return PySequence_Contains(w, v); |
| 1294 | } |
| 1295 | |
| 1296 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1297 | PySequence_Index(s, o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1298 | PyObject *s; |
| 1299 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1300 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1301 | int l, i, cmp, err; |
| 1302 | PyObject *item; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1303 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1304 | if (s == NULL || o == NULL) { |
| 1305 | null_error(); |
| 1306 | return -1; |
| 1307 | } |
| 1308 | |
| 1309 | l = PySequence_Length(s); |
| 1310 | if (l < 0) |
| 1311 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1312 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1313 | for (i = 0; i < l; i++) { |
| 1314 | item = PySequence_GetItem(s, i); |
| 1315 | if (item == NULL) |
| 1316 | return -1; |
| 1317 | err = PyObject_Cmp(item, o, &cmp); |
| 1318 | Py_DECREF(item); |
| 1319 | if (err < 0) |
| 1320 | return err; |
| 1321 | if (cmp == 0) |
| 1322 | return i; |
| 1323 | } |
| 1324 | |
| 1325 | PyErr_SetString(PyExc_ValueError, "sequence.index(x): x not in list"); |
| 1326 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1327 | } |
| 1328 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1329 | /* Operations on mappings */ |
| 1330 | |
| 1331 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1332 | PyMapping_Check(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1333 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1334 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1335 | return o && o->ob_type->tp_as_mapping; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1336 | } |
| 1337 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1338 | int |
| 1339 | PyMapping_Length(o) |
| 1340 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1341 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1342 | PyMappingMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1343 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1344 | if (o == NULL) { |
| 1345 | null_error(); |
| 1346 | return -1; |
| 1347 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1348 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1349 | m = o->ob_type->tp_as_mapping; |
| 1350 | if (m && m->mp_length) |
| 1351 | return m->mp_length(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1352 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1353 | type_error("len() of unsized object"); |
| 1354 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1355 | } |
| 1356 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1357 | PyObject * |
| 1358 | PyMapping_GetItemString(o, key) |
| 1359 | PyObject *o; |
| 1360 | char *key; |
| 1361 | { |
| 1362 | PyObject *okey, *r; |
| 1363 | |
| 1364 | if (key == NULL) |
| 1365 | return null_error(); |
| 1366 | |
| 1367 | okey = PyString_FromString(key); |
| 1368 | if (okey == NULL) |
| 1369 | return NULL; |
| 1370 | r = PyObject_GetItem(o, okey); |
| 1371 | Py_DECREF(okey); |
| 1372 | return r; |
| 1373 | } |
| 1374 | |
| 1375 | int |
| 1376 | PyMapping_SetItemString(o, key, value) |
| 1377 | PyObject *o; |
| 1378 | char *key; |
| 1379 | PyObject *value; |
| 1380 | { |
| 1381 | PyObject *okey; |
| 1382 | int r; |
| 1383 | |
| 1384 | if (key == NULL) { |
| 1385 | null_error(); |
| 1386 | return -1; |
| 1387 | } |
| 1388 | |
| 1389 | okey = PyString_FromString(key); |
| 1390 | if (okey == NULL) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 1391 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1392 | r = PyObject_SetItem(o, okey, value); |
| 1393 | Py_DECREF(okey); |
| 1394 | return r; |
| 1395 | } |
| 1396 | |
| 1397 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1398 | PyMapping_HasKeyString(o, key) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1399 | PyObject *o; |
| 1400 | char *key; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1401 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1402 | PyObject *v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1403 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1404 | v = PyMapping_GetItemString(o, key); |
| 1405 | if (v) { |
| 1406 | Py_DECREF(v); |
| 1407 | return 1; |
| 1408 | } |
| 1409 | PyErr_Clear(); |
| 1410 | return 0; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1411 | } |
| 1412 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1413 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1414 | PyMapping_HasKey(o, key) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1415 | PyObject *o; |
| 1416 | PyObject *key; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1417 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1418 | PyObject *v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1419 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1420 | v = PyObject_GetItem(o, key); |
| 1421 | if (v) { |
| 1422 | Py_DECREF(v); |
| 1423 | return 1; |
| 1424 | } |
| 1425 | PyErr_Clear(); |
| 1426 | return 0; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1427 | } |
| 1428 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1429 | /* Operations on callable objects */ |
| 1430 | |
| 1431 | /* XXX PyCallable_Check() is in object.c */ |
| 1432 | |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1433 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1434 | PyObject_CallObject(o, a) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1435 | PyObject *o, *a; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1436 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1437 | PyObject *r; |
| 1438 | PyObject *args = a; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1439 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1440 | if (args == NULL) { |
| 1441 | args = PyTuple_New(0); |
| 1442 | if (args == NULL) |
| 1443 | return NULL; |
| 1444 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1445 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1446 | r = PyEval_CallObject(o, args); |
| 1447 | |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 1448 | if (args != a) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1449 | Py_DECREF(args); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 1450 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1451 | |
| 1452 | return r; |
| 1453 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1454 | |
| 1455 | PyObject * |
| 1456 | #ifdef HAVE_STDARG_PROTOTYPES |
| 1457 | /* VARARGS 2 */ |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1458 | PyObject_CallFunction(PyObject *callable, char *format, ...) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1459 | #else |
| 1460 | /* VARARGS */ |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1461 | PyObject_CallFunction(va_alist) va_dcl |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1462 | #endif |
| 1463 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1464 | va_list va; |
| 1465 | PyObject *args, *retval; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1466 | #ifdef HAVE_STDARG_PROTOTYPES |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1467 | va_start(va, format); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1468 | #else |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1469 | PyObject *callable; |
| 1470 | char *format; |
| 1471 | va_start(va); |
| 1472 | callable = va_arg(va, PyObject *); |
| 1473 | format = va_arg(va, char *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1474 | #endif |
| 1475 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1476 | if (callable == NULL) { |
| 1477 | va_end(va); |
| 1478 | return null_error(); |
| 1479 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1480 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1481 | if (format) |
| 1482 | args = Py_VaBuildValue(format, va); |
| 1483 | else |
| 1484 | args = PyTuple_New(0); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1485 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1486 | va_end(va); |
| 1487 | |
| 1488 | if (args == NULL) |
| 1489 | return NULL; |
| 1490 | |
| 1491 | if (!PyTuple_Check(args)) { |
| 1492 | PyObject *a; |
| 1493 | |
| 1494 | a = PyTuple_New(1); |
| 1495 | if (a == NULL) |
| 1496 | return NULL; |
| 1497 | if (PyTuple_SetItem(a, 0, args) < 0) |
| 1498 | return NULL; |
| 1499 | args = a; |
| 1500 | } |
| 1501 | retval = PyObject_CallObject(callable, args); |
| 1502 | |
| 1503 | Py_DECREF(args); |
| 1504 | |
| 1505 | return retval; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1506 | } |
| 1507 | |
| 1508 | PyObject * |
| 1509 | #ifdef HAVE_STDARG_PROTOTYPES |
| 1510 | /* VARARGS 2 */ |
| 1511 | PyObject_CallMethod(PyObject *o, char *name, char *format, ...) |
| 1512 | #else |
| 1513 | /* VARARGS */ |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1514 | PyObject_CallMethod(va_alist) va_dcl |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1515 | #endif |
| 1516 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1517 | va_list va; |
| 1518 | PyObject *args, *func = 0, *retval; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1519 | #ifdef HAVE_STDARG_PROTOTYPES |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1520 | va_start(va, format); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1521 | #else |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1522 | PyObject *o; |
| 1523 | char *name; |
| 1524 | char *format; |
| 1525 | va_start(va); |
| 1526 | o = va_arg(va, PyObject *); |
| 1527 | name = va_arg(va, char *); |
| 1528 | format = va_arg(va, char *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1529 | #endif |
| 1530 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1531 | if (o == NULL || name == NULL) { |
| 1532 | va_end(va); |
| 1533 | return null_error(); |
| 1534 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1535 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1536 | func = PyObject_GetAttrString(o, name); |
| 1537 | if (func == NULL) { |
| 1538 | va_end(va); |
| 1539 | PyErr_SetString(PyExc_AttributeError, name); |
| 1540 | return 0; |
| 1541 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1542 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1543 | if (!PyCallable_Check(func)) { |
| 1544 | va_end(va); |
| 1545 | return type_error("call of non-callable attribute"); |
| 1546 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1547 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1548 | if (format && *format) |
| 1549 | args = Py_VaBuildValue(format, va); |
| 1550 | else |
| 1551 | args = PyTuple_New(0); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1552 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1553 | va_end(va); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1554 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1555 | if (!args) |
| 1556 | return NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1557 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1558 | if (!PyTuple_Check(args)) { |
| 1559 | PyObject *a; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1560 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1561 | a = PyTuple_New(1); |
| 1562 | if (a == NULL) |
| 1563 | return NULL; |
| 1564 | if (PyTuple_SetItem(a, 0, args) < 0) |
| 1565 | return NULL; |
| 1566 | args = a; |
| 1567 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1568 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1569 | retval = PyObject_CallObject(func, args); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1570 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1571 | Py_DECREF(args); |
| 1572 | Py_DECREF(func); |
| 1573 | |
| 1574 | return retval; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1575 | } |