Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1 | /*********************************************************** |
Guido van Rossum | fd71b9e | 2000-06-30 23:50:40 +0000 | [diff] [blame] | 2 | Copyright (c) 2000, BeOpen.com. |
| 3 | Copyright (c) 1995-2000, Corporation for National Research Initiatives. |
| 4 | Copyright (c) 1990-1995, Stichting Mathematisch Centrum. |
| 5 | All rights reserved. |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 6 | |
Guido van Rossum | fd71b9e | 2000-06-30 23:50:40 +0000 | [diff] [blame] | 7 | See the file "Misc/COPYRIGHT" for information on usage and |
| 8 | redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 9 | ******************************************************************/ |
| 10 | |
| 11 | /* Abstract Object Interface (many thanks to Jim Fulton) */ |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 12 | |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 13 | #include "Python.h" |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 14 | #include <ctype.h> |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 15 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 16 | /* Shorthands to return certain errors */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 17 | |
| 18 | static PyObject * |
Fred Drake | 4201b9e | 2000-07-09 04:34:13 +0000 | [diff] [blame] | 19 | type_error(const char *msg) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 20 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 21 | PyErr_SetString(PyExc_TypeError, msg); |
| 22 | return NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 23 | } |
| 24 | |
Guido van Rossum | 052b7e1 | 1996-11-11 15:08:19 +0000 | [diff] [blame] | 25 | static PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 26 | null_error(void) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 27 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 28 | if (!PyErr_Occurred()) |
| 29 | PyErr_SetString(PyExc_SystemError, |
| 30 | "null argument to internal routine"); |
| 31 | return NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 32 | } |
| 33 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 34 | /* Operations on any object */ |
| 35 | |
| 36 | int |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 37 | PyObject_Cmp(PyObject *o1, PyObject *o2, int *result) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 38 | { |
| 39 | int r; |
| 40 | |
| 41 | if (o1 == NULL || o2 == NULL) { |
| 42 | null_error(); |
| 43 | return -1; |
| 44 | } |
| 45 | r = PyObject_Compare(o1, o2); |
| 46 | if (PyErr_Occurred()) |
| 47 | return -1; |
| 48 | *result = r; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 49 | return 0; |
| 50 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 51 | |
| 52 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 53 | PyObject_Type(PyObject *o) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 54 | { |
| 55 | PyObject *v; |
| 56 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 57 | if (o == NULL) |
| 58 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 59 | v = (PyObject *)o->ob_type; |
| 60 | Py_INCREF(v); |
| 61 | return v; |
| 62 | } |
| 63 | |
| 64 | int |
Jeremy Hylton | 6253f83 | 2000-07-12 12:56:19 +0000 | [diff] [blame] | 65 | PyObject_Size(PyObject *o) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 66 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 67 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 68 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 69 | if (o == NULL) { |
| 70 | null_error(); |
| 71 | return -1; |
| 72 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 73 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 74 | m = o->ob_type->tp_as_sequence; |
| 75 | if (m && m->sq_length) |
| 76 | return m->sq_length(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 77 | |
Jeremy Hylton | 6253f83 | 2000-07-12 12:56:19 +0000 | [diff] [blame] | 78 | return PyMapping_Size(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 79 | } |
| 80 | |
Marc-André Lemburg | cf5f358 | 2000-07-17 09:22:55 +0000 | [diff] [blame] | 81 | #undef PyObject_Length |
| 82 | int |
| 83 | PyObject_Length(PyObject *o) |
| 84 | { |
| 85 | return PyObject_Size(o); |
| 86 | } |
| 87 | #define PyObject_Length PyObject_Size |
| 88 | |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 89 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 90 | PyObject_GetItem(PyObject *o, PyObject *key) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 91 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 92 | PyMappingMethods *m; |
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 | if (o == NULL || key == NULL) |
| 95 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 96 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 97 | m = o->ob_type->tp_as_mapping; |
| 98 | if (m && m->mp_subscript) |
| 99 | return m->mp_subscript(o, key); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 100 | |
Guido van Rossum | 2130824 | 1998-08-13 16:44:44 +0000 | [diff] [blame] | 101 | if (o->ob_type->tp_as_sequence) { |
| 102 | if (PyInt_Check(key)) |
| 103 | return PySequence_GetItem(o, PyInt_AsLong(key)); |
Andrew M. Kuchling | 0f223d2 | 2000-02-23 22:21:50 +0000 | [diff] [blame] | 104 | else if (PyLong_Check(key)) { |
| 105 | long key_value = PyLong_AsLong(key); |
| 106 | if (key_value == -1 && PyErr_Occurred()) |
| 107 | return NULL; |
| 108 | return PySequence_GetItem(o, key_value); |
| 109 | } |
Guido van Rossum | 2130824 | 1998-08-13 16:44:44 +0000 | [diff] [blame] | 110 | return type_error("sequence index must be integer"); |
| 111 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 112 | |
| 113 | return type_error("unsubscriptable object"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | int |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 117 | PyObject_SetItem(PyObject *o, PyObject *key, PyObject *value) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 118 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 119 | PyMappingMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 120 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 121 | if (o == NULL || key == NULL || value == NULL) { |
| 122 | null_error(); |
| 123 | return -1; |
| 124 | } |
| 125 | m = o->ob_type->tp_as_mapping; |
| 126 | if (m && m->mp_ass_subscript) |
| 127 | return m->mp_ass_subscript(o, key, value); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 128 | |
Guido van Rossum | 2130824 | 1998-08-13 16:44:44 +0000 | [diff] [blame] | 129 | if (o->ob_type->tp_as_sequence) { |
| 130 | if (PyInt_Check(key)) |
| 131 | return PySequence_SetItem(o, PyInt_AsLong(key), value); |
Andrew M. Kuchling | 0f223d2 | 2000-02-23 22:21:50 +0000 | [diff] [blame] | 132 | else if (PyLong_Check(key)) { |
| 133 | long key_value = PyLong_AsLong(key); |
| 134 | if (key_value == -1 && PyErr_Occurred()) |
| 135 | return -1; |
| 136 | return PySequence_SetItem(o, key_value, value); |
| 137 | } |
Guido van Rossum | 2130824 | 1998-08-13 16:44:44 +0000 | [diff] [blame] | 138 | type_error("sequence index must be integer"); |
| 139 | return -1; |
| 140 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 141 | |
| 142 | type_error("object does not support item assignment"); |
| 143 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 144 | } |
| 145 | |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 146 | int |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 147 | PyObject_DelItem(PyObject *o, PyObject *key) |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 148 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 149 | PyMappingMethods *m; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 150 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 151 | if (o == NULL || key == NULL) { |
| 152 | null_error(); |
| 153 | return -1; |
| 154 | } |
| 155 | m = o->ob_type->tp_as_mapping; |
| 156 | if (m && m->mp_ass_subscript) |
| 157 | return m->mp_ass_subscript(o, key, (PyObject*)NULL); |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 158 | |
Guido van Rossum | 2130824 | 1998-08-13 16:44:44 +0000 | [diff] [blame] | 159 | if (o->ob_type->tp_as_sequence) { |
| 160 | if (PyInt_Check(key)) |
| 161 | return PySequence_DelItem(o, PyInt_AsLong(key)); |
Andrew M. Kuchling | 0f223d2 | 2000-02-23 22:21:50 +0000 | [diff] [blame] | 162 | else if (PyLong_Check(key)) { |
| 163 | long key_value = PyLong_AsLong(key); |
| 164 | if (key_value == -1 && PyErr_Occurred()) |
| 165 | return -1; |
| 166 | return PySequence_DelItem(o, key_value); |
| 167 | } |
Guido van Rossum | 2130824 | 1998-08-13 16:44:44 +0000 | [diff] [blame] | 168 | type_error("sequence index must be integer"); |
| 169 | return -1; |
| 170 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 171 | |
| 172 | type_error("object does not support item deletion"); |
| 173 | return -1; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 174 | } |
| 175 | |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 176 | int PyObject_AsCharBuffer(PyObject *obj, |
| 177 | const char **buffer, |
| 178 | int *buffer_len) |
| 179 | { |
| 180 | PyBufferProcs *pb; |
| 181 | const char *pp; |
| 182 | int len; |
| 183 | |
| 184 | if (obj == NULL || buffer == NULL || buffer_len == NULL) { |
| 185 | null_error(); |
| 186 | return -1; |
| 187 | } |
| 188 | pb = obj->ob_type->tp_as_buffer; |
| 189 | if ( pb == NULL || |
| 190 | pb->bf_getcharbuffer == NULL || |
| 191 | pb->bf_getsegcount == NULL ) { |
| 192 | PyErr_SetString(PyExc_TypeError, |
| 193 | "expected a character buffer object"); |
| 194 | goto onError; |
| 195 | } |
| 196 | if ( (*pb->bf_getsegcount)(obj,NULL) != 1 ) { |
| 197 | PyErr_SetString(PyExc_TypeError, |
| 198 | "expected a single-segment buffer object"); |
| 199 | goto onError; |
| 200 | } |
| 201 | len = (*pb->bf_getcharbuffer)(obj,0,&pp); |
| 202 | if (len < 0) |
| 203 | goto onError; |
| 204 | *buffer = pp; |
| 205 | *buffer_len = len; |
| 206 | return 0; |
| 207 | |
| 208 | onError: |
| 209 | return -1; |
| 210 | } |
| 211 | |
| 212 | int PyObject_AsReadBuffer(PyObject *obj, |
| 213 | const void **buffer, |
| 214 | int *buffer_len) |
| 215 | { |
| 216 | PyBufferProcs *pb; |
| 217 | void *pp; |
| 218 | int len; |
| 219 | |
| 220 | if (obj == NULL || buffer == NULL || buffer_len == NULL) { |
| 221 | null_error(); |
| 222 | return -1; |
| 223 | } |
| 224 | pb = obj->ob_type->tp_as_buffer; |
| 225 | if ( pb == NULL || |
| 226 | pb->bf_getreadbuffer == NULL || |
| 227 | pb->bf_getsegcount == NULL ) { |
| 228 | PyErr_SetString(PyExc_TypeError, |
| 229 | "expected a readable buffer object"); |
| 230 | goto onError; |
| 231 | } |
| 232 | if ( (*pb->bf_getsegcount)(obj,NULL) != 1 ) { |
| 233 | PyErr_SetString(PyExc_TypeError, |
| 234 | "expected a single-segment buffer object"); |
| 235 | goto onError; |
| 236 | } |
| 237 | len = (*pb->bf_getreadbuffer)(obj,0,&pp); |
| 238 | if (len < 0) |
| 239 | goto onError; |
| 240 | *buffer = pp; |
| 241 | *buffer_len = len; |
| 242 | return 0; |
| 243 | |
| 244 | onError: |
| 245 | return -1; |
| 246 | } |
| 247 | |
| 248 | int PyObject_AsWriteBuffer(PyObject *obj, |
| 249 | void **buffer, |
| 250 | int *buffer_len) |
| 251 | { |
| 252 | PyBufferProcs *pb; |
| 253 | void*pp; |
| 254 | int len; |
| 255 | |
| 256 | if (obj == NULL || buffer == NULL || buffer_len == NULL) { |
| 257 | null_error(); |
| 258 | return -1; |
| 259 | } |
| 260 | pb = obj->ob_type->tp_as_buffer; |
| 261 | if ( pb == NULL || |
| 262 | pb->bf_getwritebuffer == NULL || |
| 263 | pb->bf_getsegcount == NULL ) { |
| 264 | PyErr_SetString(PyExc_TypeError, |
| 265 | "expected a writeable buffer object"); |
| 266 | goto onError; |
| 267 | } |
| 268 | if ( (*pb->bf_getsegcount)(obj,NULL) != 1 ) { |
| 269 | PyErr_SetString(PyExc_TypeError, |
| 270 | "expected a single-segment buffer object"); |
| 271 | goto onError; |
| 272 | } |
| 273 | len = (*pb->bf_getwritebuffer)(obj,0,&pp); |
| 274 | if (len < 0) |
| 275 | goto onError; |
| 276 | *buffer = pp; |
| 277 | *buffer_len = len; |
| 278 | return 0; |
| 279 | |
| 280 | onError: |
| 281 | return -1; |
| 282 | } |
| 283 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 284 | /* Operations on numbers */ |
| 285 | |
| 286 | int |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 287 | PyNumber_Check(PyObject *o) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 288 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 289 | return o && o->ob_type->tp_as_number; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 290 | } |
| 291 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 292 | /* Binary operators */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 293 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 294 | #define BINOP(v, w, opname, ropname, thisfunc) \ |
| 295 | if (PyInstance_Check(v) || PyInstance_Check(w)) \ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 296 | return PyInstance_DoBinOp(v, w, opname, ropname, thisfunc) |
| 297 | |
| 298 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 299 | PyNumber_Or(PyObject *v, PyObject *w) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 300 | { |
| 301 | extern int PyNumber_Coerce(); |
| 302 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 303 | BINOP(v, w, "__or__", "__ror__", PyNumber_Or); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 304 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 305 | PyObject *x = NULL; |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 306 | PyObject * (*f)(PyObject *, PyObject *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 307 | if (PyNumber_Coerce(&v, &w) != 0) |
| 308 | return NULL; |
| 309 | if ((f = v->ob_type->tp_as_number->nb_or) != NULL) |
| 310 | x = (*f)(v, w); |
| 311 | Py_DECREF(v); |
| 312 | Py_DECREF(w); |
| 313 | if (f != NULL) |
| 314 | return x; |
| 315 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 316 | return type_error("bad operand type(s) for |"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 317 | } |
| 318 | |
| 319 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 320 | PyNumber_Xor(PyObject *v, PyObject *w) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 321 | { |
| 322 | extern int PyNumber_Coerce(); |
| 323 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 324 | BINOP(v, w, "__xor__", "__rxor__", PyNumber_Xor); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 325 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 326 | PyObject *x = NULL; |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 327 | PyObject * (*f)(PyObject *, PyObject *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 328 | if (PyNumber_Coerce(&v, &w) != 0) |
| 329 | return NULL; |
| 330 | if ((f = v->ob_type->tp_as_number->nb_xor) != NULL) |
| 331 | x = (*f)(v, w); |
| 332 | Py_DECREF(v); |
| 333 | Py_DECREF(w); |
| 334 | if (f != NULL) |
| 335 | return x; |
| 336 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 337 | return type_error("bad operand type(s) for ^"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 338 | } |
| 339 | |
| 340 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 341 | PyNumber_And(PyObject *v, PyObject *w) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 342 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 343 | BINOP(v, w, "__and__", "__rand__", PyNumber_And); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 344 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 345 | PyObject *x = NULL; |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 346 | PyObject * (*f)(PyObject *, PyObject *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 347 | if (PyNumber_Coerce(&v, &w) != 0) |
| 348 | return NULL; |
| 349 | if ((f = v->ob_type->tp_as_number->nb_and) != NULL) |
| 350 | x = (*f)(v, w); |
| 351 | Py_DECREF(v); |
| 352 | Py_DECREF(w); |
| 353 | if (f != NULL) |
| 354 | return x; |
| 355 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 356 | return type_error("bad operand type(s) for &"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 357 | } |
| 358 | |
| 359 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 360 | PyNumber_Lshift(PyObject *v, PyObject *w) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 361 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 362 | BINOP(v, w, "__lshift__", "__rlshift__", PyNumber_Lshift); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 363 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 364 | PyObject *x = NULL; |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 365 | PyObject * (*f)(PyObject *, PyObject *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 366 | if (PyNumber_Coerce(&v, &w) != 0) |
| 367 | return NULL; |
| 368 | if ((f = v->ob_type->tp_as_number->nb_lshift) != NULL) |
| 369 | x = (*f)(v, w); |
| 370 | Py_DECREF(v); |
| 371 | Py_DECREF(w); |
| 372 | if (f != NULL) |
| 373 | return x; |
| 374 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 375 | return type_error("bad operand type(s) for <<"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 376 | } |
| 377 | |
| 378 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 379 | PyNumber_Rshift(PyObject *v, PyObject *w) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 380 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 381 | BINOP(v, w, "__rshift__", "__rrshift__", PyNumber_Rshift); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 382 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 383 | PyObject *x = NULL; |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 384 | PyObject * (*f)(PyObject *, PyObject *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 385 | if (PyNumber_Coerce(&v, &w) != 0) |
| 386 | return NULL; |
| 387 | if ((f = v->ob_type->tp_as_number->nb_rshift) != NULL) |
| 388 | x = (*f)(v, w); |
| 389 | Py_DECREF(v); |
| 390 | Py_DECREF(w); |
| 391 | if (f != NULL) |
| 392 | return x; |
| 393 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 394 | return type_error("bad operand type(s) for >>"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 395 | } |
| 396 | |
| 397 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 398 | PyNumber_Add(PyObject *v, PyObject *w) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 399 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 400 | PySequenceMethods *m; |
| 401 | |
| 402 | BINOP(v, w, "__add__", "__radd__", PyNumber_Add); |
| 403 | m = v->ob_type->tp_as_sequence; |
| 404 | if (m && m->sq_concat) |
| 405 | return (*m->sq_concat)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 406 | else if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 407 | PyObject *x = NULL; |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 408 | PyObject * (*f)(PyObject *, PyObject *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 409 | if (PyNumber_Coerce(&v, &w) != 0) |
| 410 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 411 | if ((f = v->ob_type->tp_as_number->nb_add) != NULL) |
| 412 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 413 | Py_DECREF(v); |
| 414 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 415 | if (f != NULL) |
| 416 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 417 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 418 | return type_error("bad operand type(s) for +"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 419 | } |
| 420 | |
| 421 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 422 | PyNumber_Subtract(PyObject *v, PyObject *w) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 423 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 424 | BINOP(v, w, "__sub__", "__rsub__", PyNumber_Subtract); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 425 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 426 | PyObject *x = NULL; |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 427 | PyObject * (*f)(PyObject *, PyObject *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 428 | if (PyNumber_Coerce(&v, &w) != 0) |
| 429 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 430 | if ((f = v->ob_type->tp_as_number->nb_subtract) != NULL) |
| 431 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 432 | Py_DECREF(v); |
| 433 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 434 | if (f != NULL) |
| 435 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 436 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 437 | return type_error("bad operand type(s) for -"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 438 | } |
| 439 | |
| 440 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 441 | PyNumber_Multiply(PyObject *v, PyObject *w) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 442 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 443 | PyTypeObject *tp = v->ob_type; |
| 444 | PySequenceMethods *m; |
| 445 | |
| 446 | BINOP(v, w, "__mul__", "__rmul__", PyNumber_Multiply); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 447 | if (tp->tp_as_number != NULL && |
| 448 | w->ob_type->tp_as_sequence != NULL && |
| 449 | !PyInstance_Check(v)) { |
| 450 | /* number*sequence -- swap v and w */ |
| 451 | PyObject *tmp = v; |
| 452 | v = w; |
| 453 | w = tmp; |
| 454 | tp = v->ob_type; |
| 455 | } |
| 456 | if (tp->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 457 | PyObject *x = NULL; |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 458 | PyObject * (*f)(PyObject *, PyObject *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 459 | if (PyInstance_Check(v)) { |
| 460 | /* Instances of user-defined classes get their |
| 461 | other argument uncoerced, so they may |
| 462 | implement sequence*number as well as |
| 463 | number*number. */ |
| 464 | Py_INCREF(v); |
| 465 | Py_INCREF(w); |
| 466 | } |
| 467 | else if (PyNumber_Coerce(&v, &w) != 0) |
| 468 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 469 | if ((f = v->ob_type->tp_as_number->nb_multiply) != NULL) |
| 470 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 471 | Py_DECREF(v); |
| 472 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 473 | if (f != NULL) |
| 474 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 475 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 476 | m = tp->tp_as_sequence; |
| 477 | if (m && m->sq_repeat) { |
Andrew M. Kuchling | 1991ddc | 2000-02-14 22:22:04 +0000 | [diff] [blame] | 478 | long mul_value; |
| 479 | |
| 480 | if (PyInt_Check(w)) { |
| 481 | mul_value = PyInt_AsLong(w); |
| 482 | } |
| 483 | else if (PyLong_Check(w)) { |
| 484 | mul_value = PyLong_AsLong(w); |
Andrew M. Kuchling | 0f223d2 | 2000-02-23 22:21:50 +0000 | [diff] [blame] | 485 | if (mul_value == -1 && PyErr_Occurred()) |
Andrew M. Kuchling | 1991ddc | 2000-02-14 22:22:04 +0000 | [diff] [blame] | 486 | return NULL; |
| 487 | } |
| 488 | else { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 489 | return type_error( |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 490 | "can't multiply sequence with non-int"); |
Andrew M. Kuchling | 1991ddc | 2000-02-14 22:22:04 +0000 | [diff] [blame] | 491 | } |
| 492 | return (*m->sq_repeat)(v, (int)mul_value); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 493 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 494 | return type_error("bad operand type(s) for *"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 495 | } |
| 496 | |
| 497 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 498 | PyNumber_Divide(PyObject *v, PyObject *w) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 499 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 500 | BINOP(v, w, "__div__", "__rdiv__", PyNumber_Divide); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 501 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 502 | PyObject *x = NULL; |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 503 | PyObject * (*f)(PyObject *, PyObject *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 504 | if (PyNumber_Coerce(&v, &w) != 0) |
| 505 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 506 | if ((f = v->ob_type->tp_as_number->nb_divide) != NULL) |
| 507 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 508 | Py_DECREF(v); |
| 509 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 510 | if (f != NULL) |
| 511 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 512 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 513 | return type_error("bad operand type(s) for /"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 514 | } |
| 515 | |
| 516 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 517 | PyNumber_Remainder(PyObject *v, PyObject *w) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 518 | { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 519 | if (PyString_Check(v)) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 520 | return PyString_Format(v, w); |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 521 | else if (PyUnicode_Check(v)) |
| 522 | return PyUnicode_Format(v, w); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 523 | BINOP(v, w, "__mod__", "__rmod__", PyNumber_Remainder); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 524 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 525 | PyObject *x = NULL; |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 526 | PyObject * (*f)(PyObject *, PyObject *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 527 | if (PyNumber_Coerce(&v, &w) != 0) |
| 528 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 529 | if ((f = v->ob_type->tp_as_number->nb_remainder) != NULL) |
| 530 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 531 | Py_DECREF(v); |
| 532 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 533 | if (f != NULL) |
| 534 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 535 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 536 | return type_error("bad operand type(s) for %"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 537 | } |
| 538 | |
| 539 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 540 | PyNumber_Divmod(PyObject *v, PyObject *w) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 541 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 542 | BINOP(v, w, "__divmod__", "__rdivmod__", PyNumber_Divmod); |
| 543 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 544 | PyObject *x = NULL; |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 545 | PyObject * (*f)(PyObject *, PyObject *); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 546 | if (PyNumber_Coerce(&v, &w) != 0) |
| 547 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 548 | if ((f = v->ob_type->tp_as_number->nb_divmod) != NULL) |
| 549 | x = (*f)(v, w); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 550 | Py_DECREF(v); |
| 551 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 552 | if (f != NULL) |
| 553 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 554 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 555 | return type_error("bad operand type(s) for divmod()"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 556 | } |
| 557 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 558 | /* Power (binary or ternary) */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 559 | |
| 560 | static PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 561 | do_pow(PyObject *v, PyObject *w) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 562 | { |
| 563 | PyObject *res; |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 564 | PyObject * (*f)(PyObject *, PyObject *, PyObject *); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 565 | BINOP(v, w, "__pow__", "__rpow__", do_pow); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 566 | if (v->ob_type->tp_as_number == NULL || |
| 567 | w->ob_type->tp_as_number == NULL) { |
| 568 | PyErr_SetString(PyExc_TypeError, |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 569 | "pow(x, y) requires numeric arguments"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 570 | return NULL; |
| 571 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 572 | if (PyNumber_Coerce(&v, &w) != 0) |
| 573 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 574 | if ((f = v->ob_type->tp_as_number->nb_power) != NULL) |
| 575 | res = (*f)(v, w, Py_None); |
| 576 | else |
| 577 | res = type_error("pow(x, y) not defined for these operands"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 578 | Py_DECREF(v); |
| 579 | Py_DECREF(w); |
| 580 | return res; |
| 581 | } |
| 582 | |
| 583 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 584 | PyNumber_Power(PyObject *v, PyObject *w, PyObject *z) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 585 | { |
| 586 | PyObject *res; |
| 587 | PyObject *v1, *z1, *w2, *z2; |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 588 | PyObject * (*f)(PyObject *, PyObject *, PyObject *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 589 | |
| 590 | if (z == Py_None) |
| 591 | return do_pow(v, w); |
| 592 | /* XXX The ternary version doesn't do class instance coercions */ |
| 593 | if (PyInstance_Check(v)) |
| 594 | return v->ob_type->tp_as_number->nb_power(v, w, z); |
| 595 | if (v->ob_type->tp_as_number == NULL || |
| 596 | z->ob_type->tp_as_number == NULL || |
| 597 | w->ob_type->tp_as_number == NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 598 | return type_error("pow(x, y, z) requires numeric arguments"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 599 | } |
| 600 | if (PyNumber_Coerce(&v, &w) != 0) |
| 601 | return NULL; |
| 602 | res = NULL; |
| 603 | v1 = v; |
| 604 | z1 = z; |
| 605 | if (PyNumber_Coerce(&v1, &z1) != 0) |
| 606 | goto error2; |
| 607 | w2 = w; |
| 608 | z2 = z1; |
| 609 | if (PyNumber_Coerce(&w2, &z2) != 0) |
| 610 | goto error1; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 611 | if ((f = v1->ob_type->tp_as_number->nb_power) != NULL) |
| 612 | res = (*f)(v1, w2, z2); |
| 613 | else |
| 614 | res = type_error( |
| 615 | "pow(x, y, z) not defined for these operands"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 616 | Py_DECREF(w2); |
| 617 | Py_DECREF(z2); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 618 | error1: |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 619 | Py_DECREF(v1); |
| 620 | Py_DECREF(z1); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 621 | error2: |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 622 | Py_DECREF(v); |
| 623 | Py_DECREF(w); |
| 624 | return res; |
| 625 | } |
| 626 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 627 | /* Unary operators and functions */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 628 | |
| 629 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 630 | PyNumber_Negative(PyObject *o) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 631 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 632 | PyNumberMethods *m; |
| 633 | |
| 634 | if (o == NULL) |
| 635 | return null_error(); |
| 636 | m = o->ob_type->tp_as_number; |
| 637 | if (m && m->nb_negative) |
| 638 | return (*m->nb_negative)(o); |
| 639 | |
| 640 | return type_error("bad operand type for unary -"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 641 | } |
| 642 | |
| 643 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 644 | PyNumber_Positive(PyObject *o) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 645 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 646 | PyNumberMethods *m; |
| 647 | |
| 648 | if (o == NULL) |
| 649 | return null_error(); |
| 650 | m = o->ob_type->tp_as_number; |
| 651 | if (m && m->nb_positive) |
| 652 | return (*m->nb_positive)(o); |
| 653 | |
| 654 | return type_error("bad operand type for unary +"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 655 | } |
| 656 | |
| 657 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 658 | PyNumber_Invert(PyObject *o) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 659 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 660 | PyNumberMethods *m; |
| 661 | |
| 662 | if (o == NULL) |
| 663 | return null_error(); |
| 664 | m = o->ob_type->tp_as_number; |
| 665 | if (m && m->nb_invert) |
| 666 | return (*m->nb_invert)(o); |
| 667 | |
| 668 | return type_error("bad operand type for unary ~"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 669 | } |
| 670 | |
| 671 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 672 | PyNumber_Absolute(PyObject *o) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 673 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 674 | PyNumberMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 675 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 676 | if (o == NULL) |
| 677 | return null_error(); |
| 678 | m = o->ob_type->tp_as_number; |
| 679 | if (m && m->nb_absolute) |
| 680 | return m->nb_absolute(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 681 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 682 | return type_error("bad operand type for abs()"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 683 | } |
| 684 | |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 685 | /* Add a check for embedded NULL-bytes in the argument. */ |
| 686 | static PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 687 | int_from_string(const char *s, int len) |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 688 | { |
| 689 | char *end; |
| 690 | PyObject *x; |
| 691 | |
| 692 | x = PyInt_FromString((char*)s, &end, 10); |
| 693 | if (x == NULL) |
| 694 | return NULL; |
| 695 | if (end != s + len) { |
| 696 | PyErr_SetString(PyExc_ValueError, |
| 697 | "null byte in argument for int()"); |
| 698 | Py_DECREF(x); |
| 699 | return NULL; |
| 700 | } |
| 701 | return x; |
| 702 | } |
| 703 | |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 704 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 705 | PyNumber_Int(PyObject *o) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 706 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 707 | PyNumberMethods *m; |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 708 | const char *buffer; |
| 709 | int buffer_len; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 710 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 711 | if (o == NULL) |
| 712 | return null_error(); |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 713 | if (PyInt_Check(o)) { |
| 714 | Py_INCREF(o); |
| 715 | return o; |
| 716 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 717 | if (PyString_Check(o)) |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 718 | return int_from_string(PyString_AS_STRING(o), |
| 719 | PyString_GET_SIZE(o)); |
| 720 | if (PyUnicode_Check(o)) |
| 721 | return PyInt_FromUnicode(PyUnicode_AS_UNICODE(o), |
| 722 | PyUnicode_GET_SIZE(o), |
| 723 | 10); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 724 | m = o->ob_type->tp_as_number; |
| 725 | if (m && m->nb_int) |
| 726 | return m->nb_int(o); |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 727 | if (!PyObject_AsCharBuffer(o, &buffer, &buffer_len)) |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 728 | return int_from_string((char*)buffer, buffer_len); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 729 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 730 | return type_error("object can't be converted to int"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 731 | } |
| 732 | |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 733 | /* Add a check for embedded NULL-bytes in the argument. */ |
Barry Warsaw | 226ae6c | 1999-10-12 19:54:53 +0000 | [diff] [blame] | 734 | static PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 735 | long_from_string(const char *s, int len) |
Barry Warsaw | 226ae6c | 1999-10-12 19:54:53 +0000 | [diff] [blame] | 736 | { |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 737 | char *end; |
Barry Warsaw | 226ae6c | 1999-10-12 19:54:53 +0000 | [diff] [blame] | 738 | PyObject *x; |
Barry Warsaw | 226ae6c | 1999-10-12 19:54:53 +0000 | [diff] [blame] | 739 | |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 740 | x = PyLong_FromString((char*)s, &end, 10); |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 741 | if (x == NULL) |
Barry Warsaw | 226ae6c | 1999-10-12 19:54:53 +0000 | [diff] [blame] | 742 | return NULL; |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 743 | if (end != s + len) { |
Barry Warsaw | 226ae6c | 1999-10-12 19:54:53 +0000 | [diff] [blame] | 744 | PyErr_SetString(PyExc_ValueError, |
| 745 | "null byte in argument for long()"); |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 746 | Py_DECREF(x); |
Barry Warsaw | 226ae6c | 1999-10-12 19:54:53 +0000 | [diff] [blame] | 747 | return NULL; |
| 748 | } |
| 749 | return x; |
| 750 | } |
| 751 | |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 752 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 753 | PyNumber_Long(PyObject *o) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 754 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 755 | PyNumberMethods *m; |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 756 | const char *buffer; |
| 757 | int buffer_len; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 758 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 759 | if (o == NULL) |
| 760 | return null_error(); |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 761 | if (PyLong_Check(o)) { |
| 762 | Py_INCREF(o); |
| 763 | return o; |
| 764 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 765 | if (PyString_Check(o)) |
Barry Warsaw | 226ae6c | 1999-10-12 19:54:53 +0000 | [diff] [blame] | 766 | /* need to do extra error checking that PyLong_FromString() |
| 767 | * doesn't do. In particular long('9.5') must raise an |
| 768 | * exception, not truncate the float. |
| 769 | */ |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 770 | return long_from_string(PyString_AS_STRING(o), |
| 771 | PyString_GET_SIZE(o)); |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 772 | if (PyUnicode_Check(o)) |
| 773 | /* The above check is done in PyLong_FromUnicode(). */ |
| 774 | return PyLong_FromUnicode(PyUnicode_AS_UNICODE(o), |
| 775 | PyUnicode_GET_SIZE(o), |
| 776 | 10); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 777 | m = o->ob_type->tp_as_number; |
| 778 | if (m && m->nb_long) |
| 779 | return m->nb_long(o); |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 780 | if (!PyObject_AsCharBuffer(o, &buffer, &buffer_len)) |
| 781 | return long_from_string(buffer, buffer_len); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 782 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 783 | return type_error("object can't be converted to long"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 784 | } |
| 785 | |
| 786 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 787 | PyNumber_Float(PyObject *o) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 788 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 789 | PyNumberMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 790 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 791 | if (o == NULL) |
| 792 | return null_error(); |
Guido van Rossum | 9e896b3 | 2000-04-05 20:11:21 +0000 | [diff] [blame] | 793 | if (PyFloat_Check(o)) { |
| 794 | Py_INCREF(o); |
| 795 | return o; |
| 796 | } |
Guido van Rossum | 4c08d55 | 2000-03-10 22:55:18 +0000 | [diff] [blame] | 797 | if (!PyString_Check(o)) { |
| 798 | m = o->ob_type->tp_as_number; |
| 799 | if (m && m->nb_float) |
| 800 | return m->nb_float(o); |
| 801 | } |
| 802 | return PyFloat_FromString(o, NULL); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 803 | } |
| 804 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 805 | /* Operations on sequences */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 806 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 807 | int |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 808 | PySequence_Check(PyObject *s) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 809 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 810 | return s != NULL && s->ob_type->tp_as_sequence; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 811 | } |
| 812 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 813 | int |
Jeremy Hylton | 6253f83 | 2000-07-12 12:56:19 +0000 | [diff] [blame] | 814 | PySequence_Size(PyObject *s) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 815 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 816 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 817 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 818 | if (s == NULL) { |
| 819 | null_error(); |
| 820 | return -1; |
| 821 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 822 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 823 | m = s->ob_type->tp_as_sequence; |
| 824 | if (m && m->sq_length) |
| 825 | return m->sq_length(s); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 826 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 827 | type_error("len() of unsized object"); |
| 828 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 829 | } |
| 830 | |
Marc-André Lemburg | cf5f358 | 2000-07-17 09:22:55 +0000 | [diff] [blame] | 831 | #undef PySequence_Length |
| 832 | int |
| 833 | PySequence_Length(PyObject *s) |
| 834 | { |
| 835 | return PySequence_Size(s); |
| 836 | } |
| 837 | #define PySequence_Length PySequence_Size |
| 838 | |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 839 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 840 | PySequence_Concat(PyObject *s, PyObject *o) |
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 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 843 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 844 | if (s == NULL || o == NULL) |
| 845 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 846 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 847 | m = s->ob_type->tp_as_sequence; |
| 848 | if (m && m->sq_concat) |
| 849 | return m->sq_concat(s, o); |
| 850 | |
| 851 | return type_error("object can't be concatenated"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 852 | } |
| 853 | |
| 854 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 855 | PySequence_Repeat(PyObject *o, int count) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 856 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 857 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 858 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 859 | if (o == NULL) |
| 860 | return null_error(); |
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 | m = o->ob_type->tp_as_sequence; |
| 863 | if (m && m->sq_repeat) |
| 864 | return m->sq_repeat(o, count); |
| 865 | |
| 866 | return type_error("object can't be repeated"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 867 | } |
| 868 | |
| 869 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 870 | PySequence_GetItem(PyObject *s, int i) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 871 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 872 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 873 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 874 | if (s == NULL) |
| 875 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 876 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 877 | m = s->ob_type->tp_as_sequence; |
| 878 | if (m && m->sq_item) { |
| 879 | if (i < 0) { |
| 880 | if (m->sq_length) { |
| 881 | int l = (*m->sq_length)(s); |
| 882 | if (l < 0) |
| 883 | return NULL; |
| 884 | i += l; |
| 885 | } |
| 886 | } |
| 887 | return m->sq_item(s, i); |
| 888 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 889 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 890 | return type_error("unindexable object"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 891 | } |
| 892 | |
| 893 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 894 | PySequence_GetSlice(PyObject *s, int i1, int i2) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 895 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 896 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 897 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 898 | if (!s) return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 899 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 900 | m = s->ob_type->tp_as_sequence; |
| 901 | if (m && m->sq_slice) { |
| 902 | if (i1 < 0 || i2 < 0) { |
| 903 | if (m->sq_length) { |
| 904 | int l = (*m->sq_length)(s); |
| 905 | if (l < 0) |
| 906 | return NULL; |
| 907 | if (i1 < 0) |
| 908 | i1 += l; |
| 909 | if (i2 < 0) |
| 910 | i2 += l; |
| 911 | } |
| 912 | } |
| 913 | return m->sq_slice(s, i1, i2); |
| 914 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 915 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 916 | return type_error("unsliceable object"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 917 | } |
| 918 | |
| 919 | int |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 920 | PySequence_SetItem(PyObject *s, int i, PyObject *o) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 921 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 922 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 923 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 924 | if (s == NULL) { |
| 925 | null_error(); |
| 926 | return -1; |
| 927 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 928 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 929 | m = s->ob_type->tp_as_sequence; |
| 930 | if (m && m->sq_ass_item) { |
| 931 | if (i < 0) { |
| 932 | if (m->sq_length) { |
| 933 | int l = (*m->sq_length)(s); |
| 934 | if (l < 0) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 935 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 936 | i += l; |
| 937 | } |
| 938 | } |
| 939 | return m->sq_ass_item(s, i, o); |
| 940 | } |
| 941 | |
| 942 | type_error("object doesn't support item assignment"); |
| 943 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 944 | } |
| 945 | |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 946 | int |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 947 | PySequence_DelItem(PyObject *s, int i) |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 948 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 949 | PySequenceMethods *m; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 950 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 951 | if (s == NULL) { |
| 952 | null_error(); |
| 953 | return -1; |
| 954 | } |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 955 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 956 | m = s->ob_type->tp_as_sequence; |
| 957 | if (m && m->sq_ass_item) { |
| 958 | if (i < 0) { |
| 959 | if (m->sq_length) { |
| 960 | int l = (*m->sq_length)(s); |
| 961 | if (l < 0) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 962 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 963 | i += l; |
| 964 | } |
| 965 | } |
| 966 | return m->sq_ass_item(s, i, (PyObject *)NULL); |
| 967 | } |
| 968 | |
| 969 | type_error("object doesn't support item deletion"); |
| 970 | return -1; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 971 | } |
| 972 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 973 | int |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 974 | PySequence_SetSlice(PyObject *s, int i1, int i2, PyObject *o) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 975 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 976 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 977 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 978 | if (s == NULL) { |
| 979 | null_error(); |
| 980 | return -1; |
| 981 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 982 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 983 | m = s->ob_type->tp_as_sequence; |
| 984 | if (m && m->sq_ass_slice) { |
| 985 | if (i1 < 0 || i2 < 0) { |
| 986 | if (m->sq_length) { |
| 987 | int l = (*m->sq_length)(s); |
| 988 | if (l < 0) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 989 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 990 | if (i1 < 0) |
| 991 | i1 += l; |
| 992 | if (i2 < 0) |
| 993 | i2 += l; |
| 994 | } |
| 995 | } |
| 996 | return m->sq_ass_slice(s, i1, i2, o); |
| 997 | } |
| 998 | type_error("object doesn't support slice assignment"); |
| 999 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1000 | } |
| 1001 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1002 | int |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 1003 | PySequence_DelSlice(PyObject *s, int i1, int i2) |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 1004 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1005 | PySequenceMethods *m; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 1006 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1007 | if (s == NULL) { |
| 1008 | null_error(); |
| 1009 | return -1; |
| 1010 | } |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 1011 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1012 | m = s->ob_type->tp_as_sequence; |
| 1013 | if (m && m->sq_ass_slice) { |
| 1014 | if (i1 < 0 || i2 < 0) { |
| 1015 | if (m->sq_length) { |
| 1016 | int l = (*m->sq_length)(s); |
| 1017 | if (l < 0) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 1018 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1019 | if (i1 < 0) |
| 1020 | i1 += l; |
| 1021 | if (i2 < 0) |
| 1022 | i2 += l; |
| 1023 | } |
| 1024 | } |
| 1025 | return m->sq_ass_slice(s, i1, i2, (PyObject *)NULL); |
| 1026 | } |
| 1027 | type_error("object doesn't support slice deletion"); |
| 1028 | return -1; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 1029 | } |
| 1030 | |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1031 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 1032 | PySequence_Tuple(PyObject *v) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1033 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1034 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1035 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1036 | if (v == NULL) |
| 1037 | return null_error(); |
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 | if (PyTuple_Check(v)) { |
| 1040 | Py_INCREF(v); |
| 1041 | return v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1042 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1043 | |
| 1044 | if (PyList_Check(v)) |
| 1045 | return PyList_AsTuple(v); |
| 1046 | |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1047 | /* There used to be code for strings here, but tuplifying strings is |
| 1048 | 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] | 1049 | |
| 1050 | /* Generic sequence object */ |
| 1051 | m = v->ob_type->tp_as_sequence; |
| 1052 | if (m && m->sq_item) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1053 | int i; |
| 1054 | PyObject *t; |
Jeremy Hylton | 6253f83 | 2000-07-12 12:56:19 +0000 | [diff] [blame] | 1055 | int n = PySequence_Size(v); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1056 | if (n < 0) |
| 1057 | return NULL; |
| 1058 | t = PyTuple_New(n); |
| 1059 | if (t == NULL) |
| 1060 | return NULL; |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1061 | for (i = 0; ; i++) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1062 | PyObject *item = (*m->sq_item)(v, i); |
| 1063 | if (item == NULL) { |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1064 | if (PyErr_ExceptionMatches(PyExc_IndexError)) |
| 1065 | PyErr_Clear(); |
| 1066 | else { |
| 1067 | Py_DECREF(t); |
| 1068 | t = NULL; |
| 1069 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1070 | break; |
| 1071 | } |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1072 | if (i >= n) { |
| 1073 | if (n < 500) |
| 1074 | n += 10; |
| 1075 | else |
| 1076 | n += 100; |
| 1077 | if (_PyTuple_Resize(&t, n, 0) != 0) |
| 1078 | break; |
| 1079 | } |
| 1080 | PyTuple_SET_ITEM(t, i, item); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1081 | } |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1082 | if (i < n && t != NULL) |
| 1083 | _PyTuple_Resize(&t, i, 0); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1084 | return t; |
| 1085 | } |
| 1086 | |
| 1087 | /* None of the above */ |
| 1088 | return type_error("tuple() argument must be a sequence"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1089 | } |
| 1090 | |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 1091 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 1092 | PySequence_List(PyObject *v) |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 1093 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1094 | PySequenceMethods *m; |
Guido van Rossum | 4669fb4 | 1997-04-02 05:31:09 +0000 | [diff] [blame] | 1095 | |
Guido van Rossum | 5dba9e8 | 1998-07-10 18:03:50 +0000 | [diff] [blame] | 1096 | if (v == NULL) |
| 1097 | return null_error(); |
| 1098 | |
| 1099 | if (PyList_Check(v)) |
| 1100 | return PyList_GetSlice(v, 0, PyList_GET_SIZE(v)); |
| 1101 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1102 | m = v->ob_type->tp_as_sequence; |
| 1103 | if (m && m->sq_item) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1104 | int i; |
| 1105 | PyObject *l; |
Jeremy Hylton | 6253f83 | 2000-07-12 12:56:19 +0000 | [diff] [blame] | 1106 | int n = PySequence_Size(v); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1107 | if (n < 0) |
| 1108 | return NULL; |
| 1109 | l = PyList_New(n); |
| 1110 | if (l == NULL) |
| 1111 | return NULL; |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1112 | for (i = 0; ; i++) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1113 | PyObject *item = (*m->sq_item)(v, i); |
| 1114 | if (item == NULL) { |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1115 | if (PyErr_ExceptionMatches(PyExc_IndexError)) |
| 1116 | PyErr_Clear(); |
| 1117 | else { |
| 1118 | Py_DECREF(l); |
| 1119 | l = NULL; |
| 1120 | } |
| 1121 | break; |
| 1122 | } |
| 1123 | if (i < n) |
| 1124 | PyList_SET_ITEM(l, i, item); |
| 1125 | else if (PyList_Append(l, item) < 0) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1126 | Py_DECREF(l); |
| 1127 | l = NULL; |
| 1128 | break; |
| 1129 | } |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1130 | } |
| 1131 | if (i < n && l != NULL) { |
| 1132 | if (PyList_SetSlice(l, i, n, (PyObject *)NULL) != 0) { |
| 1133 | Py_DECREF(l); |
| 1134 | l = NULL; |
| 1135 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1136 | } |
| 1137 | return l; |
Guido van Rossum | 4669fb4 | 1997-04-02 05:31:09 +0000 | [diff] [blame] | 1138 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1139 | return type_error("list() argument must be a sequence"); |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 1140 | } |
| 1141 | |
Andrew M. Kuchling | 74042d6 | 2000-06-18 18:43:14 +0000 | [diff] [blame] | 1142 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 1143 | PySequence_Fast(PyObject *v, const char *m) |
Andrew M. Kuchling | 74042d6 | 2000-06-18 18:43:14 +0000 | [diff] [blame] | 1144 | { |
| 1145 | if (v == NULL) |
| 1146 | return null_error(); |
| 1147 | |
| 1148 | if (PyList_Check(v) || PyTuple_Check(v)) { |
| 1149 | Py_INCREF(v); |
| 1150 | return v; |
| 1151 | } |
| 1152 | |
| 1153 | v = PySequence_Tuple(v); |
| 1154 | if (v == NULL && PyErr_ExceptionMatches(PyExc_TypeError)) |
| 1155 | return type_error(m); |
| 1156 | |
| 1157 | return v; |
| 1158 | } |
| 1159 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1160 | int |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 1161 | PySequence_Count(PyObject *s, PyObject *o) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1162 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1163 | int l, i, n, cmp, err; |
| 1164 | PyObject *item; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1165 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1166 | if (s == NULL || o == NULL) { |
| 1167 | null_error(); |
| 1168 | return -1; |
| 1169 | } |
| 1170 | |
Jeremy Hylton | 6253f83 | 2000-07-12 12:56:19 +0000 | [diff] [blame] | 1171 | l = PySequence_Size(s); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1172 | if (l < 0) |
| 1173 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1174 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1175 | n = 0; |
| 1176 | for (i = 0; i < l; i++) { |
| 1177 | item = PySequence_GetItem(s, i); |
| 1178 | if (item == NULL) |
| 1179 | return -1; |
| 1180 | err = PyObject_Cmp(item, o, &cmp); |
| 1181 | Py_DECREF(item); |
| 1182 | if (err < 0) |
| 1183 | return err; |
| 1184 | if (cmp == 0) |
| 1185 | n++; |
| 1186 | } |
| 1187 | return n; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1188 | } |
| 1189 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1190 | int |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 1191 | PySequence_Contains(PyObject *w, PyObject *v) /* v in w */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1192 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1193 | int i, cmp; |
| 1194 | PyObject *x; |
| 1195 | PySequenceMethods *sq; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1196 | |
Guido van Rossum | 46c6b20 | 2000-02-28 15:01:46 +0000 | [diff] [blame] | 1197 | if(PyType_HasFeature(w->ob_type, Py_TPFLAGS_HAVE_SEQUENCE_IN)) { |
| 1198 | sq = w->ob_type->tp_as_sequence; |
| 1199 | if(sq != NULL && sq->sq_contains != NULL) |
| 1200 | return (*sq->sq_contains)(w, v); |
| 1201 | } |
| 1202 | |
| 1203 | /* If there is no better way to check whether an item is is contained, |
| 1204 | do it the hard way */ |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1205 | sq = w->ob_type->tp_as_sequence; |
| 1206 | if (sq == NULL || sq->sq_item == NULL) { |
| 1207 | PyErr_SetString(PyExc_TypeError, |
| 1208 | "'in' or 'not in' needs sequence right argument"); |
| 1209 | return -1; |
| 1210 | } |
| 1211 | |
| 1212 | for (i = 0; ; i++) { |
| 1213 | x = (*sq->sq_item)(w, i); |
| 1214 | if (x == NULL) { |
Guido van Rossum | 08570de | 1998-05-28 19:24:35 +0000 | [diff] [blame] | 1215 | if (PyErr_ExceptionMatches(PyExc_IndexError)) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1216 | PyErr_Clear(); |
| 1217 | break; |
| 1218 | } |
| 1219 | return -1; |
| 1220 | } |
| 1221 | cmp = PyObject_Compare(v, x); |
| 1222 | Py_XDECREF(x); |
| 1223 | if (cmp == 0) |
| 1224 | return 1; |
| 1225 | if (PyErr_Occurred()) |
| 1226 | return -1; |
| 1227 | } |
| 1228 | |
| 1229 | return 0; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1230 | } |
| 1231 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1232 | /* Backwards compatibility */ |
| 1233 | #undef PySequence_In |
| 1234 | int |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 1235 | PySequence_In(PyObject *w, PyObject *v) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1236 | { |
| 1237 | return PySequence_Contains(w, v); |
| 1238 | } |
| 1239 | |
| 1240 | int |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 1241 | PySequence_Index(PyObject *s, PyObject *o) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1242 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1243 | int l, i, cmp, err; |
| 1244 | PyObject *item; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1245 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1246 | if (s == NULL || o == NULL) { |
| 1247 | null_error(); |
| 1248 | return -1; |
| 1249 | } |
| 1250 | |
Jeremy Hylton | 6253f83 | 2000-07-12 12:56:19 +0000 | [diff] [blame] | 1251 | l = PySequence_Size(s); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1252 | if (l < 0) |
| 1253 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1254 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1255 | for (i = 0; i < l; i++) { |
| 1256 | item = PySequence_GetItem(s, i); |
| 1257 | if (item == NULL) |
| 1258 | return -1; |
| 1259 | err = PyObject_Cmp(item, o, &cmp); |
| 1260 | Py_DECREF(item); |
| 1261 | if (err < 0) |
| 1262 | return err; |
| 1263 | if (cmp == 0) |
| 1264 | return i; |
| 1265 | } |
| 1266 | |
| 1267 | PyErr_SetString(PyExc_ValueError, "sequence.index(x): x not in list"); |
| 1268 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1269 | } |
| 1270 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1271 | /* Operations on mappings */ |
| 1272 | |
| 1273 | int |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 1274 | PyMapping_Check(PyObject *o) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1275 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1276 | return o && o->ob_type->tp_as_mapping; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1277 | } |
| 1278 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1279 | int |
Jeremy Hylton | 6253f83 | 2000-07-12 12:56:19 +0000 | [diff] [blame] | 1280 | PyMapping_Size(PyObject *o) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1281 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1282 | PyMappingMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1283 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1284 | if (o == NULL) { |
| 1285 | null_error(); |
| 1286 | return -1; |
| 1287 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1288 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1289 | m = o->ob_type->tp_as_mapping; |
| 1290 | if (m && m->mp_length) |
| 1291 | return m->mp_length(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1292 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1293 | type_error("len() of unsized object"); |
| 1294 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1295 | } |
| 1296 | |
Marc-André Lemburg | cf5f358 | 2000-07-17 09:22:55 +0000 | [diff] [blame] | 1297 | #undef PyMapping_Length |
| 1298 | int |
| 1299 | PyMapping_Length(PyObject *o) |
| 1300 | { |
| 1301 | return PyMapping_Size(o); |
| 1302 | } |
| 1303 | #define PyMapping_Length PyMapping_Size |
| 1304 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1305 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 1306 | PyMapping_GetItemString(PyObject *o, char *key) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1307 | { |
| 1308 | PyObject *okey, *r; |
| 1309 | |
| 1310 | if (key == NULL) |
| 1311 | return null_error(); |
| 1312 | |
| 1313 | okey = PyString_FromString(key); |
| 1314 | if (okey == NULL) |
| 1315 | return NULL; |
| 1316 | r = PyObject_GetItem(o, okey); |
| 1317 | Py_DECREF(okey); |
| 1318 | return r; |
| 1319 | } |
| 1320 | |
| 1321 | int |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 1322 | PyMapping_SetItemString(PyObject *o, char *key, PyObject *value) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1323 | { |
| 1324 | PyObject *okey; |
| 1325 | int r; |
| 1326 | |
| 1327 | if (key == NULL) { |
| 1328 | null_error(); |
| 1329 | return -1; |
| 1330 | } |
| 1331 | |
| 1332 | okey = PyString_FromString(key); |
| 1333 | if (okey == NULL) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 1334 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1335 | r = PyObject_SetItem(o, okey, value); |
| 1336 | Py_DECREF(okey); |
| 1337 | return r; |
| 1338 | } |
| 1339 | |
| 1340 | int |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 1341 | PyMapping_HasKeyString(PyObject *o, char *key) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1342 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1343 | PyObject *v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1344 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1345 | v = PyMapping_GetItemString(o, key); |
| 1346 | if (v) { |
| 1347 | Py_DECREF(v); |
| 1348 | return 1; |
| 1349 | } |
| 1350 | PyErr_Clear(); |
| 1351 | return 0; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1352 | } |
| 1353 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1354 | int |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 1355 | PyMapping_HasKey(PyObject *o, PyObject *key) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1356 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1357 | PyObject *v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1358 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1359 | v = PyObject_GetItem(o, key); |
| 1360 | if (v) { |
| 1361 | Py_DECREF(v); |
| 1362 | return 1; |
| 1363 | } |
| 1364 | PyErr_Clear(); |
| 1365 | return 0; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1366 | } |
| 1367 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1368 | /* Operations on callable objects */ |
| 1369 | |
| 1370 | /* XXX PyCallable_Check() is in object.c */ |
| 1371 | |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1372 | PyObject * |
Fred Drake | 7991247 | 2000-07-09 04:06:11 +0000 | [diff] [blame] | 1373 | PyObject_CallObject(PyObject *o, PyObject *a) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1374 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1375 | PyObject *r; |
| 1376 | PyObject *args = a; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1377 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1378 | if (args == NULL) { |
| 1379 | args = PyTuple_New(0); |
| 1380 | if (args == NULL) |
| 1381 | return NULL; |
| 1382 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1383 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1384 | r = PyEval_CallObject(o, args); |
| 1385 | |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 1386 | if (args != a) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1387 | Py_DECREF(args); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 1388 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1389 | |
| 1390 | return r; |
| 1391 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1392 | |
| 1393 | PyObject * |
| 1394 | #ifdef HAVE_STDARG_PROTOTYPES |
| 1395 | /* VARARGS 2 */ |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1396 | PyObject_CallFunction(PyObject *callable, char *format, ...) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1397 | #else |
| 1398 | /* VARARGS */ |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1399 | PyObject_CallFunction(va_alist) va_dcl |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1400 | #endif |
| 1401 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1402 | va_list va; |
| 1403 | PyObject *args, *retval; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1404 | #ifdef HAVE_STDARG_PROTOTYPES |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1405 | va_start(va, format); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1406 | #else |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1407 | PyObject *callable; |
| 1408 | char *format; |
| 1409 | va_start(va); |
| 1410 | callable = va_arg(va, PyObject *); |
| 1411 | format = va_arg(va, char *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1412 | #endif |
| 1413 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1414 | if (callable == NULL) { |
| 1415 | va_end(va); |
| 1416 | return null_error(); |
| 1417 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1418 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1419 | if (format) |
| 1420 | args = Py_VaBuildValue(format, va); |
| 1421 | else |
| 1422 | args = PyTuple_New(0); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1423 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1424 | va_end(va); |
| 1425 | |
| 1426 | if (args == NULL) |
| 1427 | return NULL; |
| 1428 | |
| 1429 | if (!PyTuple_Check(args)) { |
| 1430 | PyObject *a; |
| 1431 | |
| 1432 | a = PyTuple_New(1); |
| 1433 | if (a == NULL) |
| 1434 | return NULL; |
| 1435 | if (PyTuple_SetItem(a, 0, args) < 0) |
| 1436 | return NULL; |
| 1437 | args = a; |
| 1438 | } |
| 1439 | retval = PyObject_CallObject(callable, args); |
| 1440 | |
| 1441 | Py_DECREF(args); |
| 1442 | |
| 1443 | return retval; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1444 | } |
| 1445 | |
| 1446 | PyObject * |
| 1447 | #ifdef HAVE_STDARG_PROTOTYPES |
| 1448 | /* VARARGS 2 */ |
| 1449 | PyObject_CallMethod(PyObject *o, char *name, char *format, ...) |
| 1450 | #else |
| 1451 | /* VARARGS */ |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1452 | PyObject_CallMethod(va_alist) va_dcl |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1453 | #endif |
| 1454 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1455 | va_list va; |
| 1456 | PyObject *args, *func = 0, *retval; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1457 | #ifdef HAVE_STDARG_PROTOTYPES |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1458 | va_start(va, format); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1459 | #else |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1460 | PyObject *o; |
| 1461 | char *name; |
| 1462 | char *format; |
| 1463 | va_start(va); |
| 1464 | o = va_arg(va, PyObject *); |
| 1465 | name = va_arg(va, char *); |
| 1466 | format = va_arg(va, char *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1467 | #endif |
| 1468 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1469 | if (o == NULL || name == NULL) { |
| 1470 | va_end(va); |
| 1471 | return null_error(); |
| 1472 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1473 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1474 | func = PyObject_GetAttrString(o, name); |
| 1475 | if (func == NULL) { |
| 1476 | va_end(va); |
| 1477 | PyErr_SetString(PyExc_AttributeError, name); |
| 1478 | return 0; |
| 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 (!PyCallable_Check(func)) { |
| 1482 | va_end(va); |
| 1483 | return type_error("call of non-callable attribute"); |
| 1484 | } |
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 | if (format && *format) |
| 1487 | args = Py_VaBuildValue(format, va); |
| 1488 | else |
| 1489 | args = PyTuple_New(0); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1490 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1491 | va_end(va); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1492 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1493 | if (!args) |
| 1494 | return NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1495 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1496 | if (!PyTuple_Check(args)) { |
| 1497 | PyObject *a; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1498 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1499 | a = PyTuple_New(1); |
| 1500 | if (a == NULL) |
| 1501 | return NULL; |
| 1502 | if (PyTuple_SetItem(a, 0, args) < 0) |
| 1503 | return NULL; |
| 1504 | args = a; |
| 1505 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1506 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1507 | retval = PyObject_CallObject(func, args); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1508 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1509 | Py_DECREF(args); |
| 1510 | Py_DECREF(func); |
| 1511 | |
| 1512 | return retval; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1513 | } |