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 | /* Copied with modifications from stropmodule.c: atoi, atof, atol */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 57 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 58 | static PyObject * |
| 59 | int_from_string(v) |
| 60 | PyObject *v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 61 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 62 | extern long PyOS_strtol Py_PROTO((const char *, char **, int)); |
| 63 | char *s, *end; |
| 64 | long x; |
| 65 | char buffer[256]; /* For errors */ |
| 66 | |
| 67 | s = PyString_AS_STRING(v); |
| 68 | while (*s && isspace(Py_CHARMASK(*s))) |
| 69 | s++; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 70 | errno = 0; |
| 71 | x = PyOS_strtol(s, &end, 10); |
Guido van Rossum | df3d875 | 1998-08-04 15:02:01 +0000 | [diff] [blame] | 72 | if (end == s || !isdigit(end[-1])) |
| 73 | goto bad; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 74 | while (*end && isspace(Py_CHARMASK(*end))) |
| 75 | end++; |
| 76 | if (*end != '\0') { |
Guido van Rossum | df3d875 | 1998-08-04 15:02:01 +0000 | [diff] [blame] | 77 | bad: |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 78 | sprintf(buffer, "invalid literal for int(): %.200s", s); |
| 79 | PyErr_SetString(PyExc_ValueError, buffer); |
| 80 | return NULL; |
| 81 | } |
Guido van Rossum | 3b2b347 | 1998-06-22 03:54:15 +0000 | [diff] [blame] | 82 | else if (end != PyString_AS_STRING(v) + PyString_GET_SIZE(v)) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 83 | PyErr_SetString(PyExc_ValueError, |
| 84 | "null byte in argument for int()"); |
| 85 | return NULL; |
| 86 | } |
| 87 | else if (errno != 0) { |
| 88 | sprintf(buffer, "int() literal too large: %.200s", s); |
| 89 | PyErr_SetString(PyExc_ValueError, buffer); |
| 90 | return NULL; |
| 91 | } |
| 92 | return PyInt_FromLong(x); |
| 93 | } |
| 94 | |
| 95 | static PyObject * |
| 96 | long_from_string(v) |
| 97 | PyObject *v; |
| 98 | { |
| 99 | char *s, *end; |
| 100 | PyObject *x; |
| 101 | char buffer[256]; /* For errors */ |
| 102 | |
| 103 | s = PyString_AS_STRING(v); |
| 104 | while (*s && isspace(Py_CHARMASK(*s))) |
| 105 | s++; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 106 | x = PyLong_FromString(s, &end, 10); |
Guido van Rossum | df3d875 | 1998-08-04 15:02:01 +0000 | [diff] [blame] | 107 | if (x == NULL) { |
| 108 | if (PyErr_ExceptionMatches(PyExc_ValueError)) |
| 109 | goto bad; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 110 | return NULL; |
Guido van Rossum | df3d875 | 1998-08-04 15:02:01 +0000 | [diff] [blame] | 111 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 112 | while (*end && isspace(Py_CHARMASK(*end))) |
| 113 | end++; |
| 114 | if (*end != '\0') { |
Guido van Rossum | df3d875 | 1998-08-04 15:02:01 +0000 | [diff] [blame] | 115 | bad: |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 116 | sprintf(buffer, "invalid literal for long(): %.200s", s); |
| 117 | PyErr_SetString(PyExc_ValueError, buffer); |
Guido van Rossum | df3d875 | 1998-08-04 15:02:01 +0000 | [diff] [blame] | 118 | Py_XDECREF(x); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 119 | return NULL; |
| 120 | } |
Guido van Rossum | 3b2b347 | 1998-06-22 03:54:15 +0000 | [diff] [blame] | 121 | else if (end != PyString_AS_STRING(v) + PyString_GET_SIZE(v)) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 122 | PyErr_SetString(PyExc_ValueError, |
Guido van Rossum | 3b2b347 | 1998-06-22 03:54:15 +0000 | [diff] [blame] | 123 | "null byte in argument for long()"); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 124 | return NULL; |
| 125 | } |
| 126 | return x; |
| 127 | } |
| 128 | |
| 129 | static PyObject * |
| 130 | float_from_string(v) |
| 131 | PyObject *v; |
| 132 | { |
| 133 | extern double strtod Py_PROTO((const char *, char **)); |
| 134 | char *s, *end; |
| 135 | double x; |
| 136 | char buffer[256]; /* For errors */ |
| 137 | |
| 138 | s = PyString_AS_STRING(v); |
| 139 | while (*s && isspace(Py_CHARMASK(*s))) |
| 140 | s++; |
| 141 | if (s[0] == '\0') { |
| 142 | PyErr_SetString(PyExc_ValueError, "empty string for float()"); |
| 143 | return NULL; |
| 144 | } |
| 145 | errno = 0; |
| 146 | PyFPE_START_PROTECT("float_from_string", return 0) |
| 147 | x = strtod(s, &end); |
| 148 | PyFPE_END_PROTECT(x) |
| 149 | while (*end && isspace(Py_CHARMASK(*end))) |
| 150 | end++; |
| 151 | if (*end != '\0') { |
| 152 | sprintf(buffer, "invalid literal for float(): %.200s", s); |
| 153 | PyErr_SetString(PyExc_ValueError, buffer); |
| 154 | return NULL; |
| 155 | } |
Guido van Rossum | 3b2b347 | 1998-06-22 03:54:15 +0000 | [diff] [blame] | 156 | else if (end != PyString_AS_STRING(v) + PyString_GET_SIZE(v)) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 157 | PyErr_SetString(PyExc_ValueError, |
| 158 | "null byte in argument for float()"); |
| 159 | return NULL; |
| 160 | } |
| 161 | else if (errno != 0) { |
| 162 | sprintf(buffer, "float() literal too large: %.200s", s); |
| 163 | PyErr_SetString(PyExc_ValueError, buffer); |
| 164 | return NULL; |
| 165 | } |
| 166 | return PyFloat_FromDouble(x); |
| 167 | } |
| 168 | |
| 169 | /* Operations on any object */ |
| 170 | |
| 171 | int |
| 172 | PyObject_Cmp(o1, o2, result) |
| 173 | PyObject *o1; |
| 174 | PyObject *o2; |
| 175 | int *result; |
| 176 | { |
| 177 | int r; |
| 178 | |
| 179 | if (o1 == NULL || o2 == NULL) { |
| 180 | null_error(); |
| 181 | return -1; |
| 182 | } |
| 183 | r = PyObject_Compare(o1, o2); |
| 184 | if (PyErr_Occurred()) |
| 185 | return -1; |
| 186 | *result = r; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 187 | return 0; |
| 188 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 189 | |
| 190 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 191 | PyObject_Type(o) |
| 192 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 193 | { |
| 194 | PyObject *v; |
| 195 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 196 | if (o == NULL) |
| 197 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 198 | v = (PyObject *)o->ob_type; |
| 199 | Py_INCREF(v); |
| 200 | return v; |
| 201 | } |
| 202 | |
| 203 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 204 | PyObject_Length(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 205 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 206 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 207 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 208 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 209 | if (o == NULL) { |
| 210 | null_error(); |
| 211 | return -1; |
| 212 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 213 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 214 | m = o->ob_type->tp_as_sequence; |
| 215 | if (m && m->sq_length) |
| 216 | return m->sq_length(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 217 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 218 | return PyMapping_Length(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 219 | } |
| 220 | |
| 221 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 222 | PyObject_GetItem(o, key) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 223 | PyObject *o; |
| 224 | PyObject *key; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 225 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 226 | PyMappingMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 227 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 228 | if (o == NULL || key == NULL) |
| 229 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 230 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 231 | m = o->ob_type->tp_as_mapping; |
| 232 | if (m && m->mp_subscript) |
| 233 | return m->mp_subscript(o, key); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 234 | |
Guido van Rossum | 2130824 | 1998-08-13 16:44:44 +0000 | [diff] [blame^] | 235 | if (o->ob_type->tp_as_sequence) { |
| 236 | if (PyInt_Check(key)) |
| 237 | return PySequence_GetItem(o, PyInt_AsLong(key)); |
| 238 | return type_error("sequence index must be integer"); |
| 239 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 240 | |
| 241 | return type_error("unsubscriptable object"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 242 | } |
| 243 | |
| 244 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 245 | PyObject_SetItem(o, key, value) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 246 | PyObject *o; |
| 247 | PyObject *key; |
| 248 | PyObject *value; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 249 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 250 | PyMappingMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 251 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 252 | if (o == NULL || key == NULL || value == NULL) { |
| 253 | null_error(); |
| 254 | return -1; |
| 255 | } |
| 256 | m = o->ob_type->tp_as_mapping; |
| 257 | if (m && m->mp_ass_subscript) |
| 258 | return m->mp_ass_subscript(o, key, value); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 259 | |
Guido van Rossum | 2130824 | 1998-08-13 16:44:44 +0000 | [diff] [blame^] | 260 | if (o->ob_type->tp_as_sequence) { |
| 261 | if (PyInt_Check(key)) |
| 262 | return PySequence_SetItem(o, PyInt_AsLong(key), value); |
| 263 | type_error("sequence index must be integer"); |
| 264 | return -1; |
| 265 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 266 | |
| 267 | type_error("object does not support item assignment"); |
| 268 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 269 | } |
| 270 | |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 271 | int |
| 272 | PyObject_DelItem(o, key) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 273 | PyObject *o; |
| 274 | PyObject *key; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 275 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 276 | PyMappingMethods *m; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 277 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 278 | if (o == NULL || key == NULL) { |
| 279 | null_error(); |
| 280 | return -1; |
| 281 | } |
| 282 | m = o->ob_type->tp_as_mapping; |
| 283 | if (m && m->mp_ass_subscript) |
| 284 | return m->mp_ass_subscript(o, key, (PyObject*)NULL); |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 285 | |
Guido van Rossum | 2130824 | 1998-08-13 16:44:44 +0000 | [diff] [blame^] | 286 | if (o->ob_type->tp_as_sequence) { |
| 287 | if (PyInt_Check(key)) |
| 288 | return PySequence_DelItem(o, PyInt_AsLong(key)); |
| 289 | type_error("sequence index must be integer"); |
| 290 | return -1; |
| 291 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 292 | |
| 293 | type_error("object does not support item deletion"); |
| 294 | return -1; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 295 | } |
| 296 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 297 | /* Operations on numbers */ |
| 298 | |
| 299 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 300 | PyNumber_Check(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 301 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 302 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 303 | return o && o->ob_type->tp_as_number; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 304 | } |
| 305 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 306 | /* Binary operators */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 307 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 308 | #define BINOP(v, w, opname, ropname, thisfunc) \ |
| 309 | if (PyInstance_Check(v) || PyInstance_Check(w)) \ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 310 | return PyInstance_DoBinOp(v, w, opname, ropname, thisfunc) |
| 311 | |
| 312 | PyObject * |
| 313 | PyNumber_Or(v, w) |
| 314 | PyObject *v, *w; |
| 315 | { |
| 316 | extern int PyNumber_Coerce(); |
| 317 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 318 | BINOP(v, w, "__or__", "__ror__", PyNumber_Or); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 319 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 320 | PyObject *x = NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 321 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 322 | if (PyNumber_Coerce(&v, &w) != 0) |
| 323 | return NULL; |
| 324 | if ((f = v->ob_type->tp_as_number->nb_or) != NULL) |
| 325 | x = (*f)(v, w); |
| 326 | Py_DECREF(v); |
| 327 | Py_DECREF(w); |
| 328 | if (f != NULL) |
| 329 | return x; |
| 330 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 331 | return type_error("bad operand type(s) for |"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 332 | } |
| 333 | |
| 334 | PyObject * |
| 335 | PyNumber_Xor(v, w) |
| 336 | PyObject *v, *w; |
| 337 | { |
| 338 | extern int PyNumber_Coerce(); |
| 339 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 340 | BINOP(v, w, "__xor__", "__rxor__", PyNumber_Xor); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 341 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 342 | PyObject *x = NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 343 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 344 | if (PyNumber_Coerce(&v, &w) != 0) |
| 345 | return NULL; |
| 346 | if ((f = v->ob_type->tp_as_number->nb_xor) != NULL) |
| 347 | x = (*f)(v, w); |
| 348 | Py_DECREF(v); |
| 349 | Py_DECREF(w); |
| 350 | if (f != NULL) |
| 351 | return x; |
| 352 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 353 | return type_error("bad operand type(s) for ^"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 354 | } |
| 355 | |
| 356 | PyObject * |
| 357 | PyNumber_And(v, w) |
| 358 | PyObject *v, *w; |
| 359 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 360 | BINOP(v, w, "__and__", "__rand__", PyNumber_And); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 361 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 362 | PyObject *x = NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 363 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 364 | if (PyNumber_Coerce(&v, &w) != 0) |
| 365 | return NULL; |
| 366 | if ((f = v->ob_type->tp_as_number->nb_and) != NULL) |
| 367 | x = (*f)(v, w); |
| 368 | Py_DECREF(v); |
| 369 | Py_DECREF(w); |
| 370 | if (f != NULL) |
| 371 | return x; |
| 372 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 373 | return type_error("bad operand type(s) for &"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 374 | } |
| 375 | |
| 376 | PyObject * |
| 377 | PyNumber_Lshift(v, w) |
| 378 | PyObject *v, *w; |
| 379 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 380 | BINOP(v, w, "__lshift__", "__rlshift__", PyNumber_Lshift); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 381 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 382 | PyObject *x = NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 383 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 384 | if (PyNumber_Coerce(&v, &w) != 0) |
| 385 | return NULL; |
| 386 | if ((f = v->ob_type->tp_as_number->nb_lshift) != NULL) |
| 387 | x = (*f)(v, w); |
| 388 | Py_DECREF(v); |
| 389 | Py_DECREF(w); |
| 390 | if (f != NULL) |
| 391 | return x; |
| 392 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 393 | return type_error("bad operand type(s) for <<"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 394 | } |
| 395 | |
| 396 | PyObject * |
| 397 | PyNumber_Rshift(v, w) |
| 398 | PyObject *v, *w; |
| 399 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 400 | BINOP(v, w, "__rshift__", "__rrshift__", PyNumber_Rshift); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 401 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 402 | PyObject *x = NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 403 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 404 | if (PyNumber_Coerce(&v, &w) != 0) |
| 405 | return NULL; |
| 406 | if ((f = v->ob_type->tp_as_number->nb_rshift) != NULL) |
| 407 | x = (*f)(v, w); |
| 408 | Py_DECREF(v); |
| 409 | Py_DECREF(w); |
| 410 | if (f != NULL) |
| 411 | return x; |
| 412 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 413 | return type_error("bad operand type(s) for >>"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 414 | } |
| 415 | |
| 416 | PyObject * |
| 417 | PyNumber_Add(v, w) |
| 418 | PyObject *v, *w; |
| 419 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 420 | PySequenceMethods *m; |
| 421 | |
| 422 | BINOP(v, w, "__add__", "__radd__", PyNumber_Add); |
| 423 | m = v->ob_type->tp_as_sequence; |
| 424 | if (m && m->sq_concat) |
| 425 | return (*m->sq_concat)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 426 | else if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 427 | PyObject *x = NULL; |
| 428 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 429 | if (PyNumber_Coerce(&v, &w) != 0) |
| 430 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 431 | if ((f = v->ob_type->tp_as_number->nb_add) != NULL) |
| 432 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 433 | Py_DECREF(v); |
| 434 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 435 | if (f != NULL) |
| 436 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 437 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 438 | return type_error("bad operand type(s) for +"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 439 | } |
| 440 | |
| 441 | PyObject * |
| 442 | PyNumber_Subtract(v, w) |
| 443 | PyObject *v, *w; |
| 444 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 445 | BINOP(v, w, "__sub__", "__rsub__", PyNumber_Subtract); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 446 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 447 | PyObject *x = NULL; |
| 448 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 449 | if (PyNumber_Coerce(&v, &w) != 0) |
| 450 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 451 | if ((f = v->ob_type->tp_as_number->nb_subtract) != NULL) |
| 452 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 453 | Py_DECREF(v); |
| 454 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 455 | if (f != NULL) |
| 456 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 457 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 458 | return type_error("bad operand type(s) for -"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 459 | } |
| 460 | |
| 461 | PyObject * |
| 462 | PyNumber_Multiply(v, w) |
| 463 | PyObject *v, *w; |
| 464 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 465 | PyTypeObject *tp = v->ob_type; |
| 466 | PySequenceMethods *m; |
| 467 | |
| 468 | BINOP(v, w, "__mul__", "__rmul__", PyNumber_Multiply); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 469 | if (tp->tp_as_number != NULL && |
| 470 | w->ob_type->tp_as_sequence != NULL && |
| 471 | !PyInstance_Check(v)) { |
| 472 | /* number*sequence -- swap v and w */ |
| 473 | PyObject *tmp = v; |
| 474 | v = w; |
| 475 | w = tmp; |
| 476 | tp = v->ob_type; |
| 477 | } |
| 478 | if (tp->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 479 | PyObject *x = NULL; |
| 480 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 481 | if (PyInstance_Check(v)) { |
| 482 | /* Instances of user-defined classes get their |
| 483 | other argument uncoerced, so they may |
| 484 | implement sequence*number as well as |
| 485 | number*number. */ |
| 486 | Py_INCREF(v); |
| 487 | Py_INCREF(w); |
| 488 | } |
| 489 | else if (PyNumber_Coerce(&v, &w) != 0) |
| 490 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 491 | if ((f = v->ob_type->tp_as_number->nb_multiply) != NULL) |
| 492 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 493 | Py_DECREF(v); |
| 494 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 495 | if (f != NULL) |
| 496 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 497 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 498 | m = tp->tp_as_sequence; |
| 499 | if (m && m->sq_repeat) { |
| 500 | if (!PyInt_Check(w)) |
| 501 | return type_error( |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 502 | "can't multiply sequence with non-int"); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 503 | return (*m->sq_repeat)(v, (int)PyInt_AsLong(w)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 504 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 505 | return type_error("bad operand type(s) for *"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 506 | } |
| 507 | |
| 508 | PyObject * |
| 509 | PyNumber_Divide(v, w) |
| 510 | PyObject *v, *w; |
| 511 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 512 | BINOP(v, w, "__div__", "__rdiv__", PyNumber_Divide); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 513 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 514 | PyObject *x = NULL; |
| 515 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 516 | if (PyNumber_Coerce(&v, &w) != 0) |
| 517 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 518 | if ((f = v->ob_type->tp_as_number->nb_divide) != NULL) |
| 519 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 520 | Py_DECREF(v); |
| 521 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 522 | if (f != NULL) |
| 523 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 524 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 525 | return type_error("bad operand type(s) for /"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 526 | } |
| 527 | |
| 528 | PyObject * |
| 529 | PyNumber_Remainder(v, w) |
| 530 | PyObject *v, *w; |
| 531 | { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 532 | if (PyString_Check(v)) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 533 | return PyString_Format(v, w); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 534 | BINOP(v, w, "__mod__", "__rmod__", PyNumber_Remainder); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 535 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 536 | PyObject *x = NULL; |
| 537 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 538 | if (PyNumber_Coerce(&v, &w) != 0) |
| 539 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 540 | if ((f = v->ob_type->tp_as_number->nb_remainder) != NULL) |
| 541 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 542 | Py_DECREF(v); |
| 543 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 544 | if (f != NULL) |
| 545 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 546 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 547 | return type_error("bad operand type(s) for %"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 548 | } |
| 549 | |
| 550 | PyObject * |
| 551 | PyNumber_Divmod(v, w) |
| 552 | PyObject *v, *w; |
| 553 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 554 | BINOP(v, w, "__divmod__", "__rdivmod__", PyNumber_Divmod); |
| 555 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 556 | PyObject *x = NULL; |
| 557 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 558 | if (PyNumber_Coerce(&v, &w) != 0) |
| 559 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 560 | if ((f = v->ob_type->tp_as_number->nb_divmod) != NULL) |
| 561 | x = (*f)(v, w); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 562 | Py_DECREF(v); |
| 563 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 564 | if (f != NULL) |
| 565 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 566 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 567 | return type_error("bad operand type(s) for divmod()"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 568 | } |
| 569 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 570 | /* Power (binary or ternary) */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 571 | |
| 572 | static PyObject * |
| 573 | do_pow(v, w) |
| 574 | PyObject *v, *w; |
| 575 | { |
| 576 | PyObject *res; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 577 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *, PyObject *)); |
| 578 | BINOP(v, w, "__pow__", "__rpow__", do_pow); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 579 | if (v->ob_type->tp_as_number == NULL || |
| 580 | w->ob_type->tp_as_number == NULL) { |
| 581 | PyErr_SetString(PyExc_TypeError, |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 582 | "pow(x, y) requires numeric arguments"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 583 | return NULL; |
| 584 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 585 | if ( |
| 586 | #ifndef WITHOUT_COMPLEX |
| 587 | !PyComplex_Check(v) && |
| 588 | #endif |
| 589 | PyFloat_Check(w) && PyFloat_AsDouble(v) < 0.0) { |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 590 | if (!PyErr_Occurred()) |
| 591 | PyErr_SetString(PyExc_ValueError, |
| 592 | "negative number to float power"); |
| 593 | return NULL; |
| 594 | } |
| 595 | if (PyNumber_Coerce(&v, &w) != 0) |
| 596 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 597 | if ((f = v->ob_type->tp_as_number->nb_power) != NULL) |
| 598 | res = (*f)(v, w, Py_None); |
| 599 | else |
| 600 | res = type_error("pow(x, y) not defined for these operands"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 601 | Py_DECREF(v); |
| 602 | Py_DECREF(w); |
| 603 | return res; |
| 604 | } |
| 605 | |
| 606 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 607 | PyNumber_Power(v, w, z) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 608 | PyObject *v, *w, *z; |
| 609 | { |
| 610 | PyObject *res; |
| 611 | PyObject *v1, *z1, *w2, *z2; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 612 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 613 | |
| 614 | if (z == Py_None) |
| 615 | return do_pow(v, w); |
| 616 | /* XXX The ternary version doesn't do class instance coercions */ |
| 617 | if (PyInstance_Check(v)) |
| 618 | return v->ob_type->tp_as_number->nb_power(v, w, z); |
| 619 | if (v->ob_type->tp_as_number == NULL || |
| 620 | z->ob_type->tp_as_number == NULL || |
| 621 | w->ob_type->tp_as_number == NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 622 | return type_error("pow(x, y, z) requires numeric arguments"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 623 | } |
| 624 | if (PyNumber_Coerce(&v, &w) != 0) |
| 625 | return NULL; |
| 626 | res = NULL; |
| 627 | v1 = v; |
| 628 | z1 = z; |
| 629 | if (PyNumber_Coerce(&v1, &z1) != 0) |
| 630 | goto error2; |
| 631 | w2 = w; |
| 632 | z2 = z1; |
| 633 | if (PyNumber_Coerce(&w2, &z2) != 0) |
| 634 | goto error1; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 635 | if ((f = v1->ob_type->tp_as_number->nb_power) != NULL) |
| 636 | res = (*f)(v1, w2, z2); |
| 637 | else |
| 638 | res = type_error( |
| 639 | "pow(x, y, z) not defined for these operands"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 640 | Py_DECREF(w2); |
| 641 | Py_DECREF(z2); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 642 | error1: |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 643 | Py_DECREF(v1); |
| 644 | Py_DECREF(z1); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 645 | error2: |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 646 | Py_DECREF(v); |
| 647 | Py_DECREF(w); |
| 648 | return res; |
| 649 | } |
| 650 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 651 | /* Unary operators and functions */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 652 | |
| 653 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 654 | PyNumber_Negative(o) |
| 655 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 656 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 657 | PyNumberMethods *m; |
| 658 | |
| 659 | if (o == NULL) |
| 660 | return null_error(); |
| 661 | m = o->ob_type->tp_as_number; |
| 662 | if (m && m->nb_negative) |
| 663 | return (*m->nb_negative)(o); |
| 664 | |
| 665 | return type_error("bad operand type for unary -"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 666 | } |
| 667 | |
| 668 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 669 | PyNumber_Positive(o) |
| 670 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 671 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 672 | PyNumberMethods *m; |
| 673 | |
| 674 | if (o == NULL) |
| 675 | return null_error(); |
| 676 | m = o->ob_type->tp_as_number; |
| 677 | if (m && m->nb_positive) |
| 678 | return (*m->nb_positive)(o); |
| 679 | |
| 680 | return type_error("bad operand type for unary +"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 681 | } |
| 682 | |
| 683 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 684 | PyNumber_Invert(o) |
| 685 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 686 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 687 | PyNumberMethods *m; |
| 688 | |
| 689 | if (o == NULL) |
| 690 | return null_error(); |
| 691 | m = o->ob_type->tp_as_number; |
| 692 | if (m && m->nb_invert) |
| 693 | return (*m->nb_invert)(o); |
| 694 | |
| 695 | return type_error("bad operand type for unary ~"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 696 | } |
| 697 | |
| 698 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 699 | PyNumber_Absolute(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 700 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 701 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 702 | PyNumberMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 703 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 704 | if (o == NULL) |
| 705 | return null_error(); |
| 706 | m = o->ob_type->tp_as_number; |
| 707 | if (m && m->nb_absolute) |
| 708 | return m->nb_absolute(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 709 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 710 | return type_error("bad operand type for abs()"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 711 | } |
| 712 | |
| 713 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 714 | PyNumber_Int(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 715 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 716 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 717 | PyNumberMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 718 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 719 | if (o == NULL) |
| 720 | return null_error(); |
| 721 | if (PyString_Check(o)) |
| 722 | return int_from_string(o); |
| 723 | m = o->ob_type->tp_as_number; |
| 724 | if (m && m->nb_int) |
| 725 | return m->nb_int(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 726 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 727 | return type_error("object can't be converted to int"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 728 | } |
| 729 | |
| 730 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 731 | PyNumber_Long(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 732 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 733 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 734 | PyNumberMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 735 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 736 | if (o == NULL) |
| 737 | return null_error(); |
| 738 | if (PyString_Check(o)) |
| 739 | return long_from_string(o); |
| 740 | m = o->ob_type->tp_as_number; |
| 741 | if (m && m->nb_long) |
| 742 | return m->nb_long(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 743 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 744 | return type_error("object can't be converted to long"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 745 | } |
| 746 | |
| 747 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 748 | PyNumber_Float(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 749 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 750 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 751 | PyNumberMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 752 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 753 | if (o == NULL) |
| 754 | return null_error(); |
| 755 | if (PyString_Check(o)) |
| 756 | return float_from_string(o); |
| 757 | m = o->ob_type->tp_as_number; |
| 758 | if (m && m->nb_float) |
| 759 | return m->nb_float(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 760 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 761 | return type_error("object can't be converted to float"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 762 | } |
| 763 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 764 | /* Operations on sequences */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 765 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 766 | int |
| 767 | PySequence_Check(s) |
| 768 | PyObject *s; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 769 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 770 | return s != NULL && s->ob_type->tp_as_sequence; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 771 | } |
| 772 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 773 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 774 | PySequence_Length(s) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 775 | PyObject *s; |
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 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 778 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 779 | if (s == NULL) { |
| 780 | null_error(); |
| 781 | return -1; |
| 782 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 783 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 784 | m = s->ob_type->tp_as_sequence; |
| 785 | if (m && m->sq_length) |
| 786 | return m->sq_length(s); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 787 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 788 | type_error("len() of unsized object"); |
| 789 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 790 | } |
| 791 | |
| 792 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 793 | PySequence_Concat(s, o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 794 | PyObject *s; |
| 795 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 796 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 797 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 798 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 799 | if (s == NULL || o == NULL) |
| 800 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 801 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 802 | m = s->ob_type->tp_as_sequence; |
| 803 | if (m && m->sq_concat) |
| 804 | return m->sq_concat(s, o); |
| 805 | |
| 806 | return type_error("object can't be concatenated"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 807 | } |
| 808 | |
| 809 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 810 | PySequence_Repeat(o, count) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 811 | PyObject *o; |
| 812 | int count; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 813 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 814 | PySequenceMethods *m; |
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 | if (o == NULL) |
| 817 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 818 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 819 | m = o->ob_type->tp_as_sequence; |
| 820 | if (m && m->sq_repeat) |
| 821 | return m->sq_repeat(o, count); |
| 822 | |
| 823 | return type_error("object can't be repeated"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 824 | } |
| 825 | |
| 826 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 827 | PySequence_GetItem(s, i) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 828 | PyObject *s; |
| 829 | int i; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 830 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 831 | PySequenceMethods *m; |
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 | if (s == NULL) |
| 834 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 835 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 836 | m = s->ob_type->tp_as_sequence; |
| 837 | if (m && m->sq_item) { |
| 838 | if (i < 0) { |
| 839 | if (m->sq_length) { |
| 840 | int l = (*m->sq_length)(s); |
| 841 | if (l < 0) |
| 842 | return NULL; |
| 843 | i += l; |
| 844 | } |
| 845 | } |
| 846 | return m->sq_item(s, i); |
| 847 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 848 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 849 | return type_error("unindexable object"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 850 | } |
| 851 | |
| 852 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 853 | PySequence_GetSlice(s, i1, i2) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 854 | PyObject *s; |
| 855 | int i1; |
| 856 | int i2; |
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 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 859 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 860 | if (!s) 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 = s->ob_type->tp_as_sequence; |
| 863 | if (m && m->sq_slice) { |
| 864 | if (i1 < 0 || i2 < 0) { |
| 865 | if (m->sq_length) { |
| 866 | int l = (*m->sq_length)(s); |
| 867 | if (l < 0) |
| 868 | return NULL; |
| 869 | if (i1 < 0) |
| 870 | i1 += l; |
| 871 | if (i2 < 0) |
| 872 | i2 += l; |
| 873 | } |
| 874 | } |
| 875 | return m->sq_slice(s, i1, i2); |
| 876 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 877 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 878 | return type_error("unsliceable object"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 879 | } |
| 880 | |
| 881 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 882 | PySequence_SetItem(s, i, o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 883 | PyObject *s; |
| 884 | int i; |
| 885 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 886 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 887 | PySequenceMethods *m; |
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 | if (s == NULL) { |
| 890 | null_error(); |
| 891 | return -1; |
| 892 | } |
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_ass_item) { |
| 896 | if (i < 0) { |
| 897 | if (m->sq_length) { |
| 898 | int l = (*m->sq_length)(s); |
| 899 | if (l < 0) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 900 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 901 | i += l; |
| 902 | } |
| 903 | } |
| 904 | return m->sq_ass_item(s, i, o); |
| 905 | } |
| 906 | |
| 907 | type_error("object doesn't support item assignment"); |
| 908 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 909 | } |
| 910 | |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 911 | int |
| 912 | PySequence_DelItem(s, i) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 913 | PyObject *s; |
| 914 | int i; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 915 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 916 | PySequenceMethods *m; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 917 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 918 | if (s == NULL) { |
| 919 | null_error(); |
| 920 | return -1; |
| 921 | } |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 922 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 923 | m = s->ob_type->tp_as_sequence; |
| 924 | if (m && m->sq_ass_item) { |
| 925 | if (i < 0) { |
| 926 | if (m->sq_length) { |
| 927 | int l = (*m->sq_length)(s); |
| 928 | if (l < 0) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 929 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 930 | i += l; |
| 931 | } |
| 932 | } |
| 933 | return m->sq_ass_item(s, i, (PyObject *)NULL); |
| 934 | } |
| 935 | |
| 936 | type_error("object doesn't support item deletion"); |
| 937 | return -1; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 938 | } |
| 939 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 940 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 941 | PySequence_SetSlice(s, i1, i2, o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 942 | PyObject *s; |
| 943 | int i1; |
| 944 | int i2; |
| 945 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 946 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 947 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 948 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 949 | if (s == NULL) { |
| 950 | null_error(); |
| 951 | return -1; |
| 952 | } |
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_ass_slice) { |
| 956 | if (i1 < 0 || i2 < 0) { |
| 957 | if (m->sq_length) { |
| 958 | int l = (*m->sq_length)(s); |
| 959 | if (l < 0) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 960 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 961 | if (i1 < 0) |
| 962 | i1 += l; |
| 963 | if (i2 < 0) |
| 964 | i2 += l; |
| 965 | } |
| 966 | } |
| 967 | return m->sq_ass_slice(s, i1, i2, o); |
| 968 | } |
| 969 | type_error("object doesn't support slice assignment"); |
| 970 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 971 | } |
| 972 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 973 | int |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 974 | PySequence_DelSlice(s, i1, i2) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 975 | PyObject *s; |
| 976 | int i1; |
| 977 | int i2; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 978 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 979 | PySequenceMethods *m; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +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 | 6cdc6f4 | 1996-08-21 17:41:54 +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_slice) { |
| 988 | if (i1 < 0 || i2 < 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 | if (i1 < 0) |
| 994 | i1 += l; |
| 995 | if (i2 < 0) |
| 996 | i2 += l; |
| 997 | } |
| 998 | } |
| 999 | return m->sq_ass_slice(s, i1, i2, (PyObject *)NULL); |
| 1000 | } |
| 1001 | type_error("object doesn't support slice deletion"); |
| 1002 | return -1; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 1003 | } |
| 1004 | |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1005 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1006 | PySequence_Tuple(v) |
| 1007 | PyObject *v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1008 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1009 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1010 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1011 | if (v == NULL) |
| 1012 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1013 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1014 | if (PyTuple_Check(v)) { |
| 1015 | Py_INCREF(v); |
| 1016 | return v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1017 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1018 | |
| 1019 | if (PyList_Check(v)) |
| 1020 | return PyList_AsTuple(v); |
| 1021 | |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1022 | /* There used to be code for strings here, but tuplifying strings is |
| 1023 | 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] | 1024 | |
| 1025 | /* Generic sequence object */ |
| 1026 | m = v->ob_type->tp_as_sequence; |
| 1027 | if (m && m->sq_item) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1028 | int i; |
| 1029 | PyObject *t; |
| 1030 | int n = PySequence_Length(v); |
| 1031 | if (n < 0) |
| 1032 | return NULL; |
| 1033 | t = PyTuple_New(n); |
| 1034 | if (t == NULL) |
| 1035 | return NULL; |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1036 | for (i = 0; ; i++) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1037 | PyObject *item = (*m->sq_item)(v, i); |
| 1038 | if (item == NULL) { |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1039 | if (PyErr_ExceptionMatches(PyExc_IndexError)) |
| 1040 | PyErr_Clear(); |
| 1041 | else { |
| 1042 | Py_DECREF(t); |
| 1043 | t = NULL; |
| 1044 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1045 | break; |
| 1046 | } |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1047 | if (i >= n) { |
| 1048 | if (n < 500) |
| 1049 | n += 10; |
| 1050 | else |
| 1051 | n += 100; |
| 1052 | if (_PyTuple_Resize(&t, n, 0) != 0) |
| 1053 | break; |
| 1054 | } |
| 1055 | PyTuple_SET_ITEM(t, i, item); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1056 | } |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1057 | if (i < n && t != NULL) |
| 1058 | _PyTuple_Resize(&t, i, 0); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1059 | return t; |
| 1060 | } |
| 1061 | |
| 1062 | /* None of the above */ |
| 1063 | return type_error("tuple() argument must be a sequence"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1064 | } |
| 1065 | |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 1066 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1067 | PySequence_List(v) |
| 1068 | PyObject *v; |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 1069 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1070 | PySequenceMethods *m; |
Guido van Rossum | 4669fb4 | 1997-04-02 05:31:09 +0000 | [diff] [blame] | 1071 | |
Guido van Rossum | 5dba9e8 | 1998-07-10 18:03:50 +0000 | [diff] [blame] | 1072 | if (v == NULL) |
| 1073 | return null_error(); |
| 1074 | |
| 1075 | if (PyList_Check(v)) |
| 1076 | return PyList_GetSlice(v, 0, PyList_GET_SIZE(v)); |
| 1077 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1078 | m = v->ob_type->tp_as_sequence; |
| 1079 | if (m && m->sq_item) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1080 | int i; |
| 1081 | PyObject *l; |
| 1082 | int n = PySequence_Length(v); |
| 1083 | if (n < 0) |
| 1084 | return NULL; |
| 1085 | l = PyList_New(n); |
| 1086 | if (l == NULL) |
| 1087 | return NULL; |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1088 | for (i = 0; ; i++) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1089 | PyObject *item = (*m->sq_item)(v, i); |
| 1090 | if (item == NULL) { |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1091 | if (PyErr_ExceptionMatches(PyExc_IndexError)) |
| 1092 | PyErr_Clear(); |
| 1093 | else { |
| 1094 | Py_DECREF(l); |
| 1095 | l = NULL; |
| 1096 | } |
| 1097 | break; |
| 1098 | } |
| 1099 | if (i < n) |
| 1100 | PyList_SET_ITEM(l, i, item); |
| 1101 | else if (PyList_Append(l, item) < 0) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1102 | Py_DECREF(l); |
| 1103 | l = NULL; |
| 1104 | break; |
| 1105 | } |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1106 | } |
| 1107 | if (i < n && l != NULL) { |
| 1108 | if (PyList_SetSlice(l, i, n, (PyObject *)NULL) != 0) { |
| 1109 | Py_DECREF(l); |
| 1110 | l = NULL; |
| 1111 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1112 | } |
| 1113 | return l; |
Guido van Rossum | 4669fb4 | 1997-04-02 05:31:09 +0000 | [diff] [blame] | 1114 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1115 | return type_error("list() argument must be a sequence"); |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 1116 | } |
| 1117 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1118 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1119 | PySequence_Count(s, o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1120 | PyObject *s; |
| 1121 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1122 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1123 | int l, i, n, cmp, err; |
| 1124 | PyObject *item; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1125 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1126 | if (s == NULL || o == NULL) { |
| 1127 | null_error(); |
| 1128 | return -1; |
| 1129 | } |
| 1130 | |
| 1131 | l = PySequence_Length(s); |
| 1132 | if (l < 0) |
| 1133 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1134 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1135 | n = 0; |
| 1136 | for (i = 0; i < l; i++) { |
| 1137 | item = PySequence_GetItem(s, i); |
| 1138 | if (item == NULL) |
| 1139 | return -1; |
| 1140 | err = PyObject_Cmp(item, o, &cmp); |
| 1141 | Py_DECREF(item); |
| 1142 | if (err < 0) |
| 1143 | return err; |
| 1144 | if (cmp == 0) |
| 1145 | n++; |
| 1146 | } |
| 1147 | return n; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1148 | } |
| 1149 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1150 | int |
| 1151 | PySequence_Contains(w, v) /* v in w */ |
| 1152 | PyObject *w; |
| 1153 | PyObject *v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1154 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1155 | int i, cmp; |
| 1156 | PyObject *x; |
| 1157 | PySequenceMethods *sq; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1158 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1159 | /* Special case for char in string */ |
| 1160 | if (PyString_Check(w)) { |
| 1161 | register char *s, *end; |
| 1162 | register char c; |
| 1163 | if (!PyString_Check(v) || PyString_Size(v) != 1) { |
| 1164 | PyErr_SetString(PyExc_TypeError, |
| 1165 | "string member test needs char left operand"); |
| 1166 | return -1; |
| 1167 | } |
| 1168 | c = PyString_AsString(v)[0]; |
| 1169 | s = PyString_AsString(w); |
| 1170 | end = s + PyString_Size(w); |
| 1171 | while (s < end) { |
| 1172 | if (c == *s++) |
| 1173 | return 1; |
| 1174 | } |
| 1175 | return 0; |
| 1176 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1177 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1178 | sq = w->ob_type->tp_as_sequence; |
| 1179 | if (sq == NULL || sq->sq_item == NULL) { |
| 1180 | PyErr_SetString(PyExc_TypeError, |
| 1181 | "'in' or 'not in' needs sequence right argument"); |
| 1182 | return -1; |
| 1183 | } |
| 1184 | |
| 1185 | for (i = 0; ; i++) { |
| 1186 | x = (*sq->sq_item)(w, i); |
| 1187 | if (x == NULL) { |
Guido van Rossum | 08570de | 1998-05-28 19:24:35 +0000 | [diff] [blame] | 1188 | if (PyErr_ExceptionMatches(PyExc_IndexError)) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1189 | PyErr_Clear(); |
| 1190 | break; |
| 1191 | } |
| 1192 | return -1; |
| 1193 | } |
| 1194 | cmp = PyObject_Compare(v, x); |
| 1195 | Py_XDECREF(x); |
| 1196 | if (cmp == 0) |
| 1197 | return 1; |
| 1198 | if (PyErr_Occurred()) |
| 1199 | return -1; |
| 1200 | } |
| 1201 | |
| 1202 | return 0; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1203 | } |
| 1204 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1205 | /* Backwards compatibility */ |
| 1206 | #undef PySequence_In |
| 1207 | int |
| 1208 | PySequence_In(w, v) |
| 1209 | PyObject *w; |
| 1210 | PyObject *v; |
| 1211 | { |
| 1212 | return PySequence_Contains(w, v); |
| 1213 | } |
| 1214 | |
| 1215 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1216 | PySequence_Index(s, o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1217 | PyObject *s; |
| 1218 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1219 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1220 | int l, i, cmp, err; |
| 1221 | PyObject *item; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1222 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1223 | if (s == NULL || o == NULL) { |
| 1224 | null_error(); |
| 1225 | return -1; |
| 1226 | } |
| 1227 | |
| 1228 | l = PySequence_Length(s); |
| 1229 | if (l < 0) |
| 1230 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1231 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1232 | for (i = 0; i < l; i++) { |
| 1233 | item = PySequence_GetItem(s, i); |
| 1234 | if (item == NULL) |
| 1235 | return -1; |
| 1236 | err = PyObject_Cmp(item, o, &cmp); |
| 1237 | Py_DECREF(item); |
| 1238 | if (err < 0) |
| 1239 | return err; |
| 1240 | if (cmp == 0) |
| 1241 | return i; |
| 1242 | } |
| 1243 | |
| 1244 | PyErr_SetString(PyExc_ValueError, "sequence.index(x): x not in list"); |
| 1245 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1246 | } |
| 1247 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1248 | /* Operations on mappings */ |
| 1249 | |
| 1250 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1251 | PyMapping_Check(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1252 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1253 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1254 | return o && o->ob_type->tp_as_mapping; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1255 | } |
| 1256 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1257 | int |
| 1258 | PyMapping_Length(o) |
| 1259 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1260 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1261 | PyMappingMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1262 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1263 | if (o == NULL) { |
| 1264 | null_error(); |
| 1265 | return -1; |
| 1266 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1267 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1268 | m = o->ob_type->tp_as_mapping; |
| 1269 | if (m && m->mp_length) |
| 1270 | return m->mp_length(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1271 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1272 | type_error("len() of unsized object"); |
| 1273 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1274 | } |
| 1275 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1276 | PyObject * |
| 1277 | PyMapping_GetItemString(o, key) |
| 1278 | PyObject *o; |
| 1279 | char *key; |
| 1280 | { |
| 1281 | PyObject *okey, *r; |
| 1282 | |
| 1283 | if (key == NULL) |
| 1284 | return null_error(); |
| 1285 | |
| 1286 | okey = PyString_FromString(key); |
| 1287 | if (okey == NULL) |
| 1288 | return NULL; |
| 1289 | r = PyObject_GetItem(o, okey); |
| 1290 | Py_DECREF(okey); |
| 1291 | return r; |
| 1292 | } |
| 1293 | |
| 1294 | int |
| 1295 | PyMapping_SetItemString(o, key, value) |
| 1296 | PyObject *o; |
| 1297 | char *key; |
| 1298 | PyObject *value; |
| 1299 | { |
| 1300 | PyObject *okey; |
| 1301 | int r; |
| 1302 | |
| 1303 | if (key == NULL) { |
| 1304 | null_error(); |
| 1305 | return -1; |
| 1306 | } |
| 1307 | |
| 1308 | okey = PyString_FromString(key); |
| 1309 | if (okey == NULL) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 1310 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1311 | r = PyObject_SetItem(o, okey, value); |
| 1312 | Py_DECREF(okey); |
| 1313 | return r; |
| 1314 | } |
| 1315 | |
| 1316 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1317 | PyMapping_HasKeyString(o, key) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1318 | PyObject *o; |
| 1319 | char *key; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1320 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1321 | PyObject *v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1322 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1323 | v = PyMapping_GetItemString(o, key); |
| 1324 | if (v) { |
| 1325 | Py_DECREF(v); |
| 1326 | return 1; |
| 1327 | } |
| 1328 | PyErr_Clear(); |
| 1329 | return 0; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1330 | } |
| 1331 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1332 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1333 | PyMapping_HasKey(o, key) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1334 | PyObject *o; |
| 1335 | PyObject *key; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1336 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1337 | PyObject *v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1338 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1339 | v = PyObject_GetItem(o, key); |
| 1340 | if (v) { |
| 1341 | Py_DECREF(v); |
| 1342 | return 1; |
| 1343 | } |
| 1344 | PyErr_Clear(); |
| 1345 | return 0; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1346 | } |
| 1347 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1348 | /* Operations on callable objects */ |
| 1349 | |
| 1350 | /* XXX PyCallable_Check() is in object.c */ |
| 1351 | |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1352 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1353 | PyObject_CallObject(o, a) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1354 | PyObject *o, *a; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1355 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1356 | PyObject *r; |
| 1357 | PyObject *args = a; |
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 | if (args == NULL) { |
| 1360 | args = PyTuple_New(0); |
| 1361 | if (args == NULL) |
| 1362 | return NULL; |
| 1363 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1364 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1365 | r = PyEval_CallObject(o, args); |
| 1366 | |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 1367 | if (args != a) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1368 | Py_DECREF(args); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 1369 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1370 | |
| 1371 | return r; |
| 1372 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1373 | |
| 1374 | PyObject * |
| 1375 | #ifdef HAVE_STDARG_PROTOTYPES |
| 1376 | /* VARARGS 2 */ |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1377 | PyObject_CallFunction(PyObject *callable, char *format, ...) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1378 | #else |
| 1379 | /* VARARGS */ |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1380 | PyObject_CallFunction(va_alist) va_dcl |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1381 | #endif |
| 1382 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1383 | va_list va; |
| 1384 | PyObject *args, *retval; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1385 | #ifdef HAVE_STDARG_PROTOTYPES |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1386 | va_start(va, format); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1387 | #else |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1388 | PyObject *callable; |
| 1389 | char *format; |
| 1390 | va_start(va); |
| 1391 | callable = va_arg(va, PyObject *); |
| 1392 | format = va_arg(va, char *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1393 | #endif |
| 1394 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1395 | if (callable == NULL) { |
| 1396 | va_end(va); |
| 1397 | return null_error(); |
| 1398 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1399 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1400 | if (format) |
| 1401 | args = Py_VaBuildValue(format, va); |
| 1402 | else |
| 1403 | args = PyTuple_New(0); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1404 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1405 | va_end(va); |
| 1406 | |
| 1407 | if (args == NULL) |
| 1408 | return NULL; |
| 1409 | |
| 1410 | if (!PyTuple_Check(args)) { |
| 1411 | PyObject *a; |
| 1412 | |
| 1413 | a = PyTuple_New(1); |
| 1414 | if (a == NULL) |
| 1415 | return NULL; |
| 1416 | if (PyTuple_SetItem(a, 0, args) < 0) |
| 1417 | return NULL; |
| 1418 | args = a; |
| 1419 | } |
| 1420 | retval = PyObject_CallObject(callable, args); |
| 1421 | |
| 1422 | Py_DECREF(args); |
| 1423 | |
| 1424 | return retval; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1425 | } |
| 1426 | |
| 1427 | PyObject * |
| 1428 | #ifdef HAVE_STDARG_PROTOTYPES |
| 1429 | /* VARARGS 2 */ |
| 1430 | PyObject_CallMethod(PyObject *o, char *name, char *format, ...) |
| 1431 | #else |
| 1432 | /* VARARGS */ |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1433 | PyObject_CallMethod(va_alist) va_dcl |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1434 | #endif |
| 1435 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1436 | va_list va; |
| 1437 | PyObject *args, *func = 0, *retval; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1438 | #ifdef HAVE_STDARG_PROTOTYPES |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1439 | va_start(va, format); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1440 | #else |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1441 | PyObject *o; |
| 1442 | char *name; |
| 1443 | char *format; |
| 1444 | va_start(va); |
| 1445 | o = va_arg(va, PyObject *); |
| 1446 | name = va_arg(va, char *); |
| 1447 | format = va_arg(va, char *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1448 | #endif |
| 1449 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1450 | if (o == NULL || name == NULL) { |
| 1451 | va_end(va); |
| 1452 | return null_error(); |
| 1453 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1454 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1455 | func = PyObject_GetAttrString(o, name); |
| 1456 | if (func == NULL) { |
| 1457 | va_end(va); |
| 1458 | PyErr_SetString(PyExc_AttributeError, name); |
| 1459 | return 0; |
| 1460 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1461 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1462 | if (!PyCallable_Check(func)) { |
| 1463 | va_end(va); |
| 1464 | return type_error("call of non-callable attribute"); |
| 1465 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1466 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1467 | if (format && *format) |
| 1468 | args = Py_VaBuildValue(format, va); |
| 1469 | else |
| 1470 | args = PyTuple_New(0); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1471 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1472 | va_end(va); |
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 | if (!args) |
| 1475 | return NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1476 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1477 | if (!PyTuple_Check(args)) { |
| 1478 | PyObject *a; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1479 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1480 | a = PyTuple_New(1); |
| 1481 | if (a == NULL) |
| 1482 | return NULL; |
| 1483 | if (PyTuple_SetItem(a, 0, args) < 0) |
| 1484 | return NULL; |
| 1485 | args = a; |
| 1486 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1487 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1488 | retval = PyObject_CallObject(func, args); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1489 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1490 | Py_DECREF(args); |
| 1491 | Py_DECREF(func); |
| 1492 | |
| 1493 | return retval; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1494 | } |