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 | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 235 | if (PyInt_Check(key)) |
| 236 | return PySequence_GetItem(o, PyInt_AsLong(key)); |
| 237 | |
| 238 | return type_error("unsubscriptable object"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 239 | } |
| 240 | |
| 241 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 242 | PyObject_SetItem(o, key, value) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 243 | PyObject *o; |
| 244 | PyObject *key; |
| 245 | PyObject *value; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 246 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 247 | PyMappingMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 248 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 249 | if (o == NULL || key == NULL || value == NULL) { |
| 250 | null_error(); |
| 251 | return -1; |
| 252 | } |
| 253 | m = o->ob_type->tp_as_mapping; |
| 254 | if (m && m->mp_ass_subscript) |
| 255 | return m->mp_ass_subscript(o, key, value); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 256 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 257 | if (PyInt_Check(key)) |
| 258 | return PySequence_SetItem(o, PyInt_AsLong(key), value); |
| 259 | |
| 260 | type_error("object does not support item assignment"); |
| 261 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 262 | } |
| 263 | |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 264 | int |
| 265 | PyObject_DelItem(o, key) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 266 | PyObject *o; |
| 267 | PyObject *key; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 268 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 269 | PyMappingMethods *m; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 270 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 271 | if (o == NULL || key == NULL) { |
| 272 | null_error(); |
| 273 | return -1; |
| 274 | } |
| 275 | m = o->ob_type->tp_as_mapping; |
| 276 | if (m && m->mp_ass_subscript) |
| 277 | return m->mp_ass_subscript(o, key, (PyObject*)NULL); |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 278 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 279 | if (PyInt_Check(key)) |
| 280 | return PySequence_DelItem(o, PyInt_AsLong(key)); |
| 281 | |
| 282 | type_error("object does not support item deletion"); |
| 283 | return -1; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 284 | } |
| 285 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 286 | /* Operations on numbers */ |
| 287 | |
| 288 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 289 | PyNumber_Check(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 290 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 291 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 292 | return o && o->ob_type->tp_as_number; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 293 | } |
| 294 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 295 | /* Binary operators */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 296 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 297 | #define BINOP(v, w, opname, ropname, thisfunc) \ |
| 298 | if (PyInstance_Check(v) || PyInstance_Check(w)) \ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 299 | return PyInstance_DoBinOp(v, w, opname, ropname, thisfunc) |
| 300 | |
| 301 | PyObject * |
| 302 | PyNumber_Or(v, w) |
| 303 | PyObject *v, *w; |
| 304 | { |
| 305 | extern int PyNumber_Coerce(); |
| 306 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 307 | BINOP(v, w, "__or__", "__ror__", PyNumber_Or); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 308 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 309 | PyObject *x = NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 310 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 311 | if (PyNumber_Coerce(&v, &w) != 0) |
| 312 | return NULL; |
| 313 | if ((f = v->ob_type->tp_as_number->nb_or) != NULL) |
| 314 | x = (*f)(v, w); |
| 315 | Py_DECREF(v); |
| 316 | Py_DECREF(w); |
| 317 | if (f != NULL) |
| 318 | return x; |
| 319 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 320 | return type_error("bad operand type(s) for |"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 321 | } |
| 322 | |
| 323 | PyObject * |
| 324 | PyNumber_Xor(v, w) |
| 325 | PyObject *v, *w; |
| 326 | { |
| 327 | extern int PyNumber_Coerce(); |
| 328 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 329 | BINOP(v, w, "__xor__", "__rxor__", PyNumber_Xor); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 330 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 331 | PyObject *x = NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 332 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 333 | if (PyNumber_Coerce(&v, &w) != 0) |
| 334 | return NULL; |
| 335 | if ((f = v->ob_type->tp_as_number->nb_xor) != NULL) |
| 336 | x = (*f)(v, w); |
| 337 | Py_DECREF(v); |
| 338 | Py_DECREF(w); |
| 339 | if (f != NULL) |
| 340 | return x; |
| 341 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 342 | return type_error("bad operand type(s) for ^"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 343 | } |
| 344 | |
| 345 | PyObject * |
| 346 | PyNumber_And(v, w) |
| 347 | PyObject *v, *w; |
| 348 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 349 | BINOP(v, w, "__and__", "__rand__", PyNumber_And); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 350 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 351 | PyObject *x = NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 352 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 353 | if (PyNumber_Coerce(&v, &w) != 0) |
| 354 | return NULL; |
| 355 | if ((f = v->ob_type->tp_as_number->nb_and) != NULL) |
| 356 | x = (*f)(v, w); |
| 357 | Py_DECREF(v); |
| 358 | Py_DECREF(w); |
| 359 | if (f != NULL) |
| 360 | return x; |
| 361 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 362 | return type_error("bad operand type(s) for &"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 363 | } |
| 364 | |
| 365 | PyObject * |
| 366 | PyNumber_Lshift(v, w) |
| 367 | PyObject *v, *w; |
| 368 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 369 | BINOP(v, w, "__lshift__", "__rlshift__", PyNumber_Lshift); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 370 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 371 | PyObject *x = NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 372 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 373 | if (PyNumber_Coerce(&v, &w) != 0) |
| 374 | return NULL; |
| 375 | if ((f = v->ob_type->tp_as_number->nb_lshift) != NULL) |
| 376 | x = (*f)(v, w); |
| 377 | Py_DECREF(v); |
| 378 | Py_DECREF(w); |
| 379 | if (f != NULL) |
| 380 | return x; |
| 381 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 382 | return type_error("bad operand type(s) for <<"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 383 | } |
| 384 | |
| 385 | PyObject * |
| 386 | PyNumber_Rshift(v, w) |
| 387 | PyObject *v, *w; |
| 388 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 389 | BINOP(v, w, "__rshift__", "__rrshift__", PyNumber_Rshift); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 390 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 391 | PyObject *x = NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 392 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 393 | if (PyNumber_Coerce(&v, &w) != 0) |
| 394 | return NULL; |
| 395 | if ((f = v->ob_type->tp_as_number->nb_rshift) != NULL) |
| 396 | x = (*f)(v, w); |
| 397 | Py_DECREF(v); |
| 398 | Py_DECREF(w); |
| 399 | if (f != NULL) |
| 400 | return x; |
| 401 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 402 | return type_error("bad operand type(s) for >>"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 403 | } |
| 404 | |
| 405 | PyObject * |
| 406 | PyNumber_Add(v, w) |
| 407 | PyObject *v, *w; |
| 408 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 409 | PySequenceMethods *m; |
| 410 | |
| 411 | BINOP(v, w, "__add__", "__radd__", PyNumber_Add); |
| 412 | m = v->ob_type->tp_as_sequence; |
| 413 | if (m && m->sq_concat) |
| 414 | return (*m->sq_concat)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 415 | else if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 416 | PyObject *x = NULL; |
| 417 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 418 | if (PyNumber_Coerce(&v, &w) != 0) |
| 419 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 420 | if ((f = v->ob_type->tp_as_number->nb_add) != NULL) |
| 421 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 422 | Py_DECREF(v); |
| 423 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 424 | if (f != NULL) |
| 425 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 426 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 427 | return type_error("bad operand type(s) for +"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 428 | } |
| 429 | |
| 430 | PyObject * |
| 431 | PyNumber_Subtract(v, w) |
| 432 | PyObject *v, *w; |
| 433 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 434 | BINOP(v, w, "__sub__", "__rsub__", PyNumber_Subtract); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 435 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 436 | PyObject *x = NULL; |
| 437 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 438 | if (PyNumber_Coerce(&v, &w) != 0) |
| 439 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 440 | if ((f = v->ob_type->tp_as_number->nb_subtract) != NULL) |
| 441 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 442 | Py_DECREF(v); |
| 443 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 444 | if (f != NULL) |
| 445 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 446 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 447 | return type_error("bad operand type(s) for -"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 448 | } |
| 449 | |
| 450 | PyObject * |
| 451 | PyNumber_Multiply(v, w) |
| 452 | PyObject *v, *w; |
| 453 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 454 | PyTypeObject *tp = v->ob_type; |
| 455 | PySequenceMethods *m; |
| 456 | |
| 457 | BINOP(v, w, "__mul__", "__rmul__", PyNumber_Multiply); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 458 | if (tp->tp_as_number != NULL && |
| 459 | w->ob_type->tp_as_sequence != NULL && |
| 460 | !PyInstance_Check(v)) { |
| 461 | /* number*sequence -- swap v and w */ |
| 462 | PyObject *tmp = v; |
| 463 | v = w; |
| 464 | w = tmp; |
| 465 | tp = v->ob_type; |
| 466 | } |
| 467 | if (tp->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 468 | PyObject *x = NULL; |
| 469 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 470 | if (PyInstance_Check(v)) { |
| 471 | /* Instances of user-defined classes get their |
| 472 | other argument uncoerced, so they may |
| 473 | implement sequence*number as well as |
| 474 | number*number. */ |
| 475 | Py_INCREF(v); |
| 476 | Py_INCREF(w); |
| 477 | } |
| 478 | else if (PyNumber_Coerce(&v, &w) != 0) |
| 479 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 480 | if ((f = v->ob_type->tp_as_number->nb_multiply) != NULL) |
| 481 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 482 | Py_DECREF(v); |
| 483 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 484 | if (f != NULL) |
| 485 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 486 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 487 | m = tp->tp_as_sequence; |
| 488 | if (m && m->sq_repeat) { |
| 489 | if (!PyInt_Check(w)) |
| 490 | return type_error( |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 491 | "can't multiply sequence with non-int"); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 492 | return (*m->sq_repeat)(v, (int)PyInt_AsLong(w)); |
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 * |
| 498 | PyNumber_Divide(v, w) |
| 499 | PyObject *v, *w; |
| 500 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 501 | BINOP(v, w, "__div__", "__rdiv__", PyNumber_Divide); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 502 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 503 | PyObject *x = NULL; |
| 504 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 505 | if (PyNumber_Coerce(&v, &w) != 0) |
| 506 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 507 | if ((f = v->ob_type->tp_as_number->nb_divide) != NULL) |
| 508 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 509 | Py_DECREF(v); |
| 510 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 511 | if (f != NULL) |
| 512 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 513 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 514 | return type_error("bad operand type(s) for /"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 515 | } |
| 516 | |
| 517 | PyObject * |
| 518 | PyNumber_Remainder(v, w) |
| 519 | PyObject *v, *w; |
| 520 | { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 521 | if (PyString_Check(v)) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 522 | return PyString_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; |
| 526 | PyObject * (*f) Py_FPROTO((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 * |
| 540 | PyNumber_Divmod(v, w) |
| 541 | PyObject *v, *w; |
| 542 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 543 | BINOP(v, w, "__divmod__", "__rdivmod__", PyNumber_Divmod); |
| 544 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 545 | PyObject *x = NULL; |
| 546 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 547 | if (PyNumber_Coerce(&v, &w) != 0) |
| 548 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 549 | if ((f = v->ob_type->tp_as_number->nb_divmod) != NULL) |
| 550 | x = (*f)(v, w); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 551 | Py_DECREF(v); |
| 552 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 553 | if (f != NULL) |
| 554 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 555 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 556 | return type_error("bad operand type(s) for divmod()"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 557 | } |
| 558 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 559 | /* Power (binary or ternary) */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 560 | |
| 561 | static PyObject * |
| 562 | do_pow(v, w) |
| 563 | PyObject *v, *w; |
| 564 | { |
| 565 | PyObject *res; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 566 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *, PyObject *)); |
| 567 | BINOP(v, w, "__pow__", "__rpow__", do_pow); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 568 | if (v->ob_type->tp_as_number == NULL || |
| 569 | w->ob_type->tp_as_number == NULL) { |
| 570 | PyErr_SetString(PyExc_TypeError, |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 571 | "pow(x, y) requires numeric arguments"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 572 | return NULL; |
| 573 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 574 | if ( |
| 575 | #ifndef WITHOUT_COMPLEX |
| 576 | !PyComplex_Check(v) && |
| 577 | #endif |
| 578 | PyFloat_Check(w) && PyFloat_AsDouble(v) < 0.0) { |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 579 | if (!PyErr_Occurred()) |
| 580 | PyErr_SetString(PyExc_ValueError, |
| 581 | "negative number to float power"); |
| 582 | return NULL; |
| 583 | } |
| 584 | if (PyNumber_Coerce(&v, &w) != 0) |
| 585 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 586 | if ((f = v->ob_type->tp_as_number->nb_power) != NULL) |
| 587 | res = (*f)(v, w, Py_None); |
| 588 | else |
| 589 | res = type_error("pow(x, y) not defined for these operands"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 590 | Py_DECREF(v); |
| 591 | Py_DECREF(w); |
| 592 | return res; |
| 593 | } |
| 594 | |
| 595 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 596 | PyNumber_Power(v, w, z) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 597 | PyObject *v, *w, *z; |
| 598 | { |
| 599 | PyObject *res; |
| 600 | PyObject *v1, *z1, *w2, *z2; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 601 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 602 | |
| 603 | if (z == Py_None) |
| 604 | return do_pow(v, w); |
| 605 | /* XXX The ternary version doesn't do class instance coercions */ |
| 606 | if (PyInstance_Check(v)) |
| 607 | return v->ob_type->tp_as_number->nb_power(v, w, z); |
| 608 | if (v->ob_type->tp_as_number == NULL || |
| 609 | z->ob_type->tp_as_number == NULL || |
| 610 | w->ob_type->tp_as_number == NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 611 | return type_error("pow(x, y, z) requires numeric arguments"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 612 | } |
| 613 | if (PyNumber_Coerce(&v, &w) != 0) |
| 614 | return NULL; |
| 615 | res = NULL; |
| 616 | v1 = v; |
| 617 | z1 = z; |
| 618 | if (PyNumber_Coerce(&v1, &z1) != 0) |
| 619 | goto error2; |
| 620 | w2 = w; |
| 621 | z2 = z1; |
| 622 | if (PyNumber_Coerce(&w2, &z2) != 0) |
| 623 | goto error1; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 624 | if ((f = v1->ob_type->tp_as_number->nb_power) != NULL) |
| 625 | res = (*f)(v1, w2, z2); |
| 626 | else |
| 627 | res = type_error( |
| 628 | "pow(x, y, z) not defined for these operands"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 629 | Py_DECREF(w2); |
| 630 | Py_DECREF(z2); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 631 | error1: |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 632 | Py_DECREF(v1); |
| 633 | Py_DECREF(z1); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 634 | error2: |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 635 | Py_DECREF(v); |
| 636 | Py_DECREF(w); |
| 637 | return res; |
| 638 | } |
| 639 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 640 | /* Unary operators and functions */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 641 | |
| 642 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 643 | PyNumber_Negative(o) |
| 644 | 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_negative) |
| 652 | return (*m->nb_negative)(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 * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 658 | PyNumber_Positive(o) |
| 659 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 660 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 661 | PyNumberMethods *m; |
| 662 | |
| 663 | if (o == NULL) |
| 664 | return null_error(); |
| 665 | m = o->ob_type->tp_as_number; |
| 666 | if (m && m->nb_positive) |
| 667 | return (*m->nb_positive)(o); |
| 668 | |
| 669 | return type_error("bad operand type for unary +"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 670 | } |
| 671 | |
| 672 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 673 | PyNumber_Invert(o) |
| 674 | PyObject *o; |
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 | PyNumberMethods *m; |
| 677 | |
| 678 | if (o == NULL) |
| 679 | return null_error(); |
| 680 | m = o->ob_type->tp_as_number; |
| 681 | if (m && m->nb_invert) |
| 682 | return (*m->nb_invert)(o); |
| 683 | |
| 684 | return type_error("bad operand type for unary ~"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 685 | } |
| 686 | |
| 687 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 688 | PyNumber_Absolute(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 689 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 690 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 691 | PyNumberMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 692 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 693 | if (o == NULL) |
| 694 | return null_error(); |
| 695 | m = o->ob_type->tp_as_number; |
| 696 | if (m && m->nb_absolute) |
| 697 | return m->nb_absolute(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 698 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 699 | return type_error("bad operand type for abs()"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 700 | } |
| 701 | |
| 702 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 703 | PyNumber_Int(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 704 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 705 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 706 | PyNumberMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 707 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 708 | if (o == NULL) |
| 709 | return null_error(); |
| 710 | if (PyString_Check(o)) |
| 711 | return int_from_string(o); |
| 712 | m = o->ob_type->tp_as_number; |
| 713 | if (m && m->nb_int) |
| 714 | return m->nb_int(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 715 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 716 | return type_error("object can't be converted to int"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 717 | } |
| 718 | |
| 719 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 720 | PyNumber_Long(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 721 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 722 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 723 | PyNumberMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 724 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 725 | if (o == NULL) |
| 726 | return null_error(); |
| 727 | if (PyString_Check(o)) |
| 728 | return long_from_string(o); |
| 729 | m = o->ob_type->tp_as_number; |
| 730 | if (m && m->nb_long) |
| 731 | return m->nb_long(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 732 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 733 | return type_error("object can't be converted to long"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 734 | } |
| 735 | |
| 736 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 737 | PyNumber_Float(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 738 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 739 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 740 | PyNumberMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 741 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 742 | if (o == NULL) |
| 743 | return null_error(); |
| 744 | if (PyString_Check(o)) |
| 745 | return float_from_string(o); |
| 746 | m = o->ob_type->tp_as_number; |
| 747 | if (m && m->nb_float) |
| 748 | return m->nb_float(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 749 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 750 | return type_error("object can't be converted to float"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 751 | } |
| 752 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 753 | /* Operations on sequences */ |
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 | int |
| 756 | PySequence_Check(s) |
| 757 | PyObject *s; |
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 | return s != NULL && s->ob_type->tp_as_sequence; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 760 | } |
| 761 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 762 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 763 | PySequence_Length(s) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 764 | PyObject *s; |
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 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 767 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 768 | if (s == NULL) { |
| 769 | null_error(); |
| 770 | return -1; |
| 771 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 772 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 773 | m = s->ob_type->tp_as_sequence; |
| 774 | if (m && m->sq_length) |
| 775 | return m->sq_length(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 | type_error("len() of unsized object"); |
| 778 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 779 | } |
| 780 | |
| 781 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 782 | PySequence_Concat(s, o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 783 | PyObject *s; |
| 784 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 785 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 786 | PySequenceMethods *m; |
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 | if (s == NULL || o == NULL) |
| 789 | return null_error(); |
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 | m = s->ob_type->tp_as_sequence; |
| 792 | if (m && m->sq_concat) |
| 793 | return m->sq_concat(s, o); |
| 794 | |
| 795 | return type_error("object can't be concatenated"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 796 | } |
| 797 | |
| 798 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 799 | PySequence_Repeat(o, count) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 800 | PyObject *o; |
| 801 | int count; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 802 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 803 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 804 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 805 | if (o == NULL) |
| 806 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 807 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 808 | m = o->ob_type->tp_as_sequence; |
| 809 | if (m && m->sq_repeat) |
| 810 | return m->sq_repeat(o, count); |
| 811 | |
| 812 | return type_error("object can't be repeated"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 813 | } |
| 814 | |
| 815 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 816 | PySequence_GetItem(s, i) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 817 | PyObject *s; |
| 818 | int i; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 819 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 820 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 821 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 822 | if (s == NULL) |
| 823 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 824 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 825 | m = s->ob_type->tp_as_sequence; |
| 826 | if (m && m->sq_item) { |
| 827 | if (i < 0) { |
| 828 | if (m->sq_length) { |
| 829 | int l = (*m->sq_length)(s); |
| 830 | if (l < 0) |
| 831 | return NULL; |
| 832 | i += l; |
| 833 | } |
| 834 | } |
| 835 | return m->sq_item(s, i); |
| 836 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 837 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 838 | return type_error("unindexable object"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 839 | } |
| 840 | |
| 841 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 842 | PySequence_GetSlice(s, i1, i2) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 843 | PyObject *s; |
| 844 | int i1; |
| 845 | int i2; |
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 | PySequenceMethods *m; |
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 | if (!s) return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 850 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 851 | m = s->ob_type->tp_as_sequence; |
| 852 | if (m && m->sq_slice) { |
| 853 | if (i1 < 0 || i2 < 0) { |
| 854 | if (m->sq_length) { |
| 855 | int l = (*m->sq_length)(s); |
| 856 | if (l < 0) |
| 857 | return NULL; |
| 858 | if (i1 < 0) |
| 859 | i1 += l; |
| 860 | if (i2 < 0) |
| 861 | i2 += l; |
| 862 | } |
| 863 | } |
| 864 | return m->sq_slice(s, i1, i2); |
| 865 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 866 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 867 | return type_error("unsliceable object"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 868 | } |
| 869 | |
| 870 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 871 | PySequence_SetItem(s, i, o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 872 | PyObject *s; |
| 873 | int i; |
| 874 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 875 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 876 | PySequenceMethods *m; |
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 | if (s == NULL) { |
| 879 | null_error(); |
| 880 | return -1; |
| 881 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 882 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 883 | m = s->ob_type->tp_as_sequence; |
| 884 | if (m && m->sq_ass_item) { |
| 885 | if (i < 0) { |
| 886 | if (m->sq_length) { |
| 887 | int l = (*m->sq_length)(s); |
| 888 | if (l < 0) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 889 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 890 | i += l; |
| 891 | } |
| 892 | } |
| 893 | return m->sq_ass_item(s, i, o); |
| 894 | } |
| 895 | |
| 896 | type_error("object doesn't support item assignment"); |
| 897 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 898 | } |
| 899 | |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 900 | int |
| 901 | PySequence_DelItem(s, i) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 902 | PyObject *s; |
| 903 | int i; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 904 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 905 | PySequenceMethods *m; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 906 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 907 | if (s == NULL) { |
| 908 | null_error(); |
| 909 | return -1; |
| 910 | } |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 911 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 912 | m = s->ob_type->tp_as_sequence; |
| 913 | if (m && m->sq_ass_item) { |
| 914 | if (i < 0) { |
| 915 | if (m->sq_length) { |
| 916 | int l = (*m->sq_length)(s); |
| 917 | if (l < 0) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 918 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 919 | i += l; |
| 920 | } |
| 921 | } |
| 922 | return m->sq_ass_item(s, i, (PyObject *)NULL); |
| 923 | } |
| 924 | |
| 925 | type_error("object doesn't support item deletion"); |
| 926 | return -1; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 927 | } |
| 928 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 929 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 930 | PySequence_SetSlice(s, i1, i2, o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 931 | PyObject *s; |
| 932 | int i1; |
| 933 | int i2; |
| 934 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 935 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 936 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 937 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 938 | if (s == NULL) { |
| 939 | null_error(); |
| 940 | return -1; |
| 941 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 942 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 943 | m = s->ob_type->tp_as_sequence; |
| 944 | if (m && m->sq_ass_slice) { |
| 945 | if (i1 < 0 || i2 < 0) { |
| 946 | if (m->sq_length) { |
| 947 | int l = (*m->sq_length)(s); |
| 948 | if (l < 0) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 949 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 950 | if (i1 < 0) |
| 951 | i1 += l; |
| 952 | if (i2 < 0) |
| 953 | i2 += l; |
| 954 | } |
| 955 | } |
| 956 | return m->sq_ass_slice(s, i1, i2, o); |
| 957 | } |
| 958 | type_error("object doesn't support slice assignment"); |
| 959 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 960 | } |
| 961 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 962 | int |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 963 | PySequence_DelSlice(s, i1, i2) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 964 | PyObject *s; |
| 965 | int i1; |
| 966 | int i2; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 967 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 968 | PySequenceMethods *m; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 969 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 970 | if (s == NULL) { |
| 971 | null_error(); |
| 972 | return -1; |
| 973 | } |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 974 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 975 | m = s->ob_type->tp_as_sequence; |
| 976 | if (m && m->sq_ass_slice) { |
| 977 | if (i1 < 0 || i2 < 0) { |
| 978 | if (m->sq_length) { |
| 979 | int l = (*m->sq_length)(s); |
| 980 | if (l < 0) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 981 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 982 | if (i1 < 0) |
| 983 | i1 += l; |
| 984 | if (i2 < 0) |
| 985 | i2 += l; |
| 986 | } |
| 987 | } |
| 988 | return m->sq_ass_slice(s, i1, i2, (PyObject *)NULL); |
| 989 | } |
| 990 | type_error("object doesn't support slice deletion"); |
| 991 | return -1; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 992 | } |
| 993 | |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 994 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 995 | PySequence_Tuple(v) |
| 996 | PyObject *v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 997 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 998 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 999 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1000 | if (v == NULL) |
| 1001 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1002 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1003 | if (PyTuple_Check(v)) { |
| 1004 | Py_INCREF(v); |
| 1005 | return v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1006 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1007 | |
| 1008 | if (PyList_Check(v)) |
| 1009 | return PyList_AsTuple(v); |
| 1010 | |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1011 | /* There used to be code for strings here, but tuplifying strings is |
| 1012 | 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] | 1013 | |
| 1014 | /* Generic sequence object */ |
| 1015 | m = v->ob_type->tp_as_sequence; |
| 1016 | if (m && m->sq_item) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1017 | int i; |
| 1018 | PyObject *t; |
| 1019 | int n = PySequence_Length(v); |
| 1020 | if (n < 0) |
| 1021 | return NULL; |
| 1022 | t = PyTuple_New(n); |
| 1023 | if (t == NULL) |
| 1024 | return NULL; |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1025 | for (i = 0; ; i++) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1026 | PyObject *item = (*m->sq_item)(v, i); |
| 1027 | if (item == NULL) { |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1028 | if (PyErr_ExceptionMatches(PyExc_IndexError)) |
| 1029 | PyErr_Clear(); |
| 1030 | else { |
| 1031 | Py_DECREF(t); |
| 1032 | t = NULL; |
| 1033 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1034 | break; |
| 1035 | } |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1036 | if (i >= n) { |
| 1037 | if (n < 500) |
| 1038 | n += 10; |
| 1039 | else |
| 1040 | n += 100; |
| 1041 | if (_PyTuple_Resize(&t, n, 0) != 0) |
| 1042 | break; |
| 1043 | } |
| 1044 | PyTuple_SET_ITEM(t, i, item); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1045 | } |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1046 | if (i < n && t != NULL) |
| 1047 | _PyTuple_Resize(&t, i, 0); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1048 | return t; |
| 1049 | } |
| 1050 | |
| 1051 | /* None of the above */ |
| 1052 | return type_error("tuple() argument must be a sequence"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1053 | } |
| 1054 | |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 1055 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1056 | PySequence_List(v) |
| 1057 | PyObject *v; |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 1058 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1059 | PySequenceMethods *m; |
Guido van Rossum | 4669fb4 | 1997-04-02 05:31:09 +0000 | [diff] [blame] | 1060 | |
Guido van Rossum | 5dba9e8 | 1998-07-10 18:03:50 +0000 | [diff] [blame] | 1061 | if (v == NULL) |
| 1062 | return null_error(); |
| 1063 | |
| 1064 | if (PyList_Check(v)) |
| 1065 | return PyList_GetSlice(v, 0, PyList_GET_SIZE(v)); |
| 1066 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1067 | m = v->ob_type->tp_as_sequence; |
| 1068 | if (m && m->sq_item) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1069 | int i; |
| 1070 | PyObject *l; |
| 1071 | int n = PySequence_Length(v); |
| 1072 | if (n < 0) |
| 1073 | return NULL; |
| 1074 | l = PyList_New(n); |
| 1075 | if (l == NULL) |
| 1076 | return NULL; |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1077 | for (i = 0; ; i++) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1078 | PyObject *item = (*m->sq_item)(v, i); |
| 1079 | if (item == NULL) { |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1080 | if (PyErr_ExceptionMatches(PyExc_IndexError)) |
| 1081 | PyErr_Clear(); |
| 1082 | else { |
| 1083 | Py_DECREF(l); |
| 1084 | l = NULL; |
| 1085 | } |
| 1086 | break; |
| 1087 | } |
| 1088 | if (i < n) |
| 1089 | PyList_SET_ITEM(l, i, item); |
| 1090 | else if (PyList_Append(l, item) < 0) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1091 | Py_DECREF(l); |
| 1092 | l = NULL; |
| 1093 | break; |
| 1094 | } |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1095 | } |
| 1096 | if (i < n && l != NULL) { |
| 1097 | if (PyList_SetSlice(l, i, n, (PyObject *)NULL) != 0) { |
| 1098 | Py_DECREF(l); |
| 1099 | l = NULL; |
| 1100 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1101 | } |
| 1102 | return l; |
Guido van Rossum | 4669fb4 | 1997-04-02 05:31:09 +0000 | [diff] [blame] | 1103 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1104 | return type_error("list() argument must be a sequence"); |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 1105 | } |
| 1106 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1107 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1108 | PySequence_Count(s, o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1109 | PyObject *s; |
| 1110 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1111 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1112 | int l, i, n, cmp, err; |
| 1113 | PyObject *item; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1114 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1115 | if (s == NULL || o == NULL) { |
| 1116 | null_error(); |
| 1117 | return -1; |
| 1118 | } |
| 1119 | |
| 1120 | l = PySequence_Length(s); |
| 1121 | if (l < 0) |
| 1122 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1123 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1124 | n = 0; |
| 1125 | for (i = 0; i < l; i++) { |
| 1126 | item = PySequence_GetItem(s, i); |
| 1127 | if (item == NULL) |
| 1128 | return -1; |
| 1129 | err = PyObject_Cmp(item, o, &cmp); |
| 1130 | Py_DECREF(item); |
| 1131 | if (err < 0) |
| 1132 | return err; |
| 1133 | if (cmp == 0) |
| 1134 | n++; |
| 1135 | } |
| 1136 | return n; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1137 | } |
| 1138 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1139 | int |
| 1140 | PySequence_Contains(w, v) /* v in w */ |
| 1141 | PyObject *w; |
| 1142 | PyObject *v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1143 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1144 | int i, cmp; |
| 1145 | PyObject *x; |
| 1146 | PySequenceMethods *sq; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1147 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1148 | /* Special case for char in string */ |
| 1149 | if (PyString_Check(w)) { |
| 1150 | register char *s, *end; |
| 1151 | register char c; |
| 1152 | if (!PyString_Check(v) || PyString_Size(v) != 1) { |
| 1153 | PyErr_SetString(PyExc_TypeError, |
| 1154 | "string member test needs char left operand"); |
| 1155 | return -1; |
| 1156 | } |
| 1157 | c = PyString_AsString(v)[0]; |
| 1158 | s = PyString_AsString(w); |
| 1159 | end = s + PyString_Size(w); |
| 1160 | while (s < end) { |
| 1161 | if (c == *s++) |
| 1162 | return 1; |
| 1163 | } |
| 1164 | return 0; |
| 1165 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1166 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1167 | sq = w->ob_type->tp_as_sequence; |
| 1168 | if (sq == NULL || sq->sq_item == NULL) { |
| 1169 | PyErr_SetString(PyExc_TypeError, |
| 1170 | "'in' or 'not in' needs sequence right argument"); |
| 1171 | return -1; |
| 1172 | } |
| 1173 | |
| 1174 | for (i = 0; ; i++) { |
| 1175 | x = (*sq->sq_item)(w, i); |
| 1176 | if (x == NULL) { |
Guido van Rossum | 08570de | 1998-05-28 19:24:35 +0000 | [diff] [blame] | 1177 | if (PyErr_ExceptionMatches(PyExc_IndexError)) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1178 | PyErr_Clear(); |
| 1179 | break; |
| 1180 | } |
| 1181 | return -1; |
| 1182 | } |
| 1183 | cmp = PyObject_Compare(v, x); |
| 1184 | Py_XDECREF(x); |
| 1185 | if (cmp == 0) |
| 1186 | return 1; |
| 1187 | if (PyErr_Occurred()) |
| 1188 | return -1; |
| 1189 | } |
| 1190 | |
| 1191 | return 0; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1192 | } |
| 1193 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1194 | /* Backwards compatibility */ |
| 1195 | #undef PySequence_In |
| 1196 | int |
| 1197 | PySequence_In(w, v) |
| 1198 | PyObject *w; |
| 1199 | PyObject *v; |
| 1200 | { |
| 1201 | return PySequence_Contains(w, v); |
| 1202 | } |
| 1203 | |
| 1204 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1205 | PySequence_Index(s, o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1206 | PyObject *s; |
| 1207 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1208 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1209 | int l, i, cmp, err; |
| 1210 | PyObject *item; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1211 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1212 | if (s == NULL || o == NULL) { |
| 1213 | null_error(); |
| 1214 | return -1; |
| 1215 | } |
| 1216 | |
| 1217 | l = PySequence_Length(s); |
| 1218 | if (l < 0) |
| 1219 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1220 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1221 | for (i = 0; i < l; i++) { |
| 1222 | item = PySequence_GetItem(s, i); |
| 1223 | if (item == NULL) |
| 1224 | return -1; |
| 1225 | err = PyObject_Cmp(item, o, &cmp); |
| 1226 | Py_DECREF(item); |
| 1227 | if (err < 0) |
| 1228 | return err; |
| 1229 | if (cmp == 0) |
| 1230 | return i; |
| 1231 | } |
| 1232 | |
| 1233 | PyErr_SetString(PyExc_ValueError, "sequence.index(x): x not in list"); |
| 1234 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1235 | } |
| 1236 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1237 | /* Operations on mappings */ |
| 1238 | |
| 1239 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1240 | PyMapping_Check(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1241 | 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 | return o && o->ob_type->tp_as_mapping; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1244 | } |
| 1245 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1246 | int |
| 1247 | PyMapping_Length(o) |
| 1248 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1249 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1250 | PyMappingMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1251 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1252 | if (o == NULL) { |
| 1253 | null_error(); |
| 1254 | return -1; |
| 1255 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1256 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1257 | m = o->ob_type->tp_as_mapping; |
| 1258 | if (m && m->mp_length) |
| 1259 | return m->mp_length(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 | type_error("len() of unsized object"); |
| 1262 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1263 | } |
| 1264 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1265 | PyObject * |
| 1266 | PyMapping_GetItemString(o, key) |
| 1267 | PyObject *o; |
| 1268 | char *key; |
| 1269 | { |
| 1270 | PyObject *okey, *r; |
| 1271 | |
| 1272 | if (key == NULL) |
| 1273 | return null_error(); |
| 1274 | |
| 1275 | okey = PyString_FromString(key); |
| 1276 | if (okey == NULL) |
| 1277 | return NULL; |
| 1278 | r = PyObject_GetItem(o, okey); |
| 1279 | Py_DECREF(okey); |
| 1280 | return r; |
| 1281 | } |
| 1282 | |
| 1283 | int |
| 1284 | PyMapping_SetItemString(o, key, value) |
| 1285 | PyObject *o; |
| 1286 | char *key; |
| 1287 | PyObject *value; |
| 1288 | { |
| 1289 | PyObject *okey; |
| 1290 | int r; |
| 1291 | |
| 1292 | if (key == NULL) { |
| 1293 | null_error(); |
| 1294 | return -1; |
| 1295 | } |
| 1296 | |
| 1297 | okey = PyString_FromString(key); |
| 1298 | if (okey == NULL) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 1299 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1300 | r = PyObject_SetItem(o, okey, value); |
| 1301 | Py_DECREF(okey); |
| 1302 | return r; |
| 1303 | } |
| 1304 | |
| 1305 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1306 | PyMapping_HasKeyString(o, key) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1307 | PyObject *o; |
| 1308 | char *key; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1309 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1310 | PyObject *v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1311 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1312 | v = PyMapping_GetItemString(o, key); |
| 1313 | if (v) { |
| 1314 | Py_DECREF(v); |
| 1315 | return 1; |
| 1316 | } |
| 1317 | PyErr_Clear(); |
| 1318 | return 0; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1319 | } |
| 1320 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1321 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1322 | PyMapping_HasKey(o, key) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1323 | PyObject *o; |
| 1324 | PyObject *key; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1325 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1326 | PyObject *v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1327 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1328 | v = PyObject_GetItem(o, key); |
| 1329 | if (v) { |
| 1330 | Py_DECREF(v); |
| 1331 | return 1; |
| 1332 | } |
| 1333 | PyErr_Clear(); |
| 1334 | return 0; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1335 | } |
| 1336 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1337 | /* Operations on callable objects */ |
| 1338 | |
| 1339 | /* XXX PyCallable_Check() is in object.c */ |
| 1340 | |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1341 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1342 | PyObject_CallObject(o, a) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1343 | PyObject *o, *a; |
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 | PyObject *r; |
| 1346 | PyObject *args = a; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1347 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1348 | if (args == NULL) { |
| 1349 | args = PyTuple_New(0); |
| 1350 | if (args == NULL) |
| 1351 | return NULL; |
| 1352 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1353 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1354 | r = PyEval_CallObject(o, args); |
| 1355 | |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 1356 | if (args != a) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1357 | Py_DECREF(args); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 1358 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1359 | |
| 1360 | return r; |
| 1361 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1362 | |
| 1363 | PyObject * |
| 1364 | #ifdef HAVE_STDARG_PROTOTYPES |
| 1365 | /* VARARGS 2 */ |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1366 | PyObject_CallFunction(PyObject *callable, char *format, ...) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1367 | #else |
| 1368 | /* VARARGS */ |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1369 | PyObject_CallFunction(va_alist) va_dcl |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1370 | #endif |
| 1371 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1372 | va_list va; |
| 1373 | PyObject *args, *retval; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1374 | #ifdef HAVE_STDARG_PROTOTYPES |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1375 | va_start(va, format); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1376 | #else |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1377 | PyObject *callable; |
| 1378 | char *format; |
| 1379 | va_start(va); |
| 1380 | callable = va_arg(va, PyObject *); |
| 1381 | format = va_arg(va, char *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1382 | #endif |
| 1383 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1384 | if (callable == NULL) { |
| 1385 | va_end(va); |
| 1386 | return null_error(); |
| 1387 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1388 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1389 | if (format) |
| 1390 | args = Py_VaBuildValue(format, va); |
| 1391 | else |
| 1392 | args = PyTuple_New(0); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1393 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1394 | va_end(va); |
| 1395 | |
| 1396 | if (args == NULL) |
| 1397 | return NULL; |
| 1398 | |
| 1399 | if (!PyTuple_Check(args)) { |
| 1400 | PyObject *a; |
| 1401 | |
| 1402 | a = PyTuple_New(1); |
| 1403 | if (a == NULL) |
| 1404 | return NULL; |
| 1405 | if (PyTuple_SetItem(a, 0, args) < 0) |
| 1406 | return NULL; |
| 1407 | args = a; |
| 1408 | } |
| 1409 | retval = PyObject_CallObject(callable, args); |
| 1410 | |
| 1411 | Py_DECREF(args); |
| 1412 | |
| 1413 | return retval; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1414 | } |
| 1415 | |
| 1416 | PyObject * |
| 1417 | #ifdef HAVE_STDARG_PROTOTYPES |
| 1418 | /* VARARGS 2 */ |
| 1419 | PyObject_CallMethod(PyObject *o, char *name, char *format, ...) |
| 1420 | #else |
| 1421 | /* VARARGS */ |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1422 | PyObject_CallMethod(va_alist) va_dcl |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1423 | #endif |
| 1424 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1425 | va_list va; |
| 1426 | PyObject *args, *func = 0, *retval; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1427 | #ifdef HAVE_STDARG_PROTOTYPES |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1428 | va_start(va, format); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1429 | #else |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1430 | PyObject *o; |
| 1431 | char *name; |
| 1432 | char *format; |
| 1433 | va_start(va); |
| 1434 | o = va_arg(va, PyObject *); |
| 1435 | name = va_arg(va, char *); |
| 1436 | format = va_arg(va, char *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1437 | #endif |
| 1438 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1439 | if (o == NULL || name == NULL) { |
| 1440 | va_end(va); |
| 1441 | return null_error(); |
| 1442 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1443 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1444 | func = PyObject_GetAttrString(o, name); |
| 1445 | if (func == NULL) { |
| 1446 | va_end(va); |
| 1447 | PyErr_SetString(PyExc_AttributeError, name); |
| 1448 | return 0; |
| 1449 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1450 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1451 | if (!PyCallable_Check(func)) { |
| 1452 | va_end(va); |
| 1453 | return type_error("call of non-callable attribute"); |
| 1454 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1455 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1456 | if (format && *format) |
| 1457 | args = Py_VaBuildValue(format, va); |
| 1458 | else |
| 1459 | args = PyTuple_New(0); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1460 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1461 | va_end(va); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1462 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1463 | if (!args) |
| 1464 | return NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1465 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1466 | if (!PyTuple_Check(args)) { |
| 1467 | PyObject *a; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1468 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1469 | a = PyTuple_New(1); |
| 1470 | if (a == NULL) |
| 1471 | return NULL; |
| 1472 | if (PyTuple_SetItem(a, 0, args) < 0) |
| 1473 | return NULL; |
| 1474 | args = a; |
| 1475 | } |
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 | retval = PyObject_CallObject(func, args); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1478 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1479 | Py_DECREF(args); |
| 1480 | Py_DECREF(func); |
| 1481 | |
| 1482 | return retval; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1483 | } |