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 | char *s, *end; |
| 63 | long x; |
| 64 | char buffer[256]; /* For errors */ |
| 65 | |
| 66 | s = PyString_AS_STRING(v); |
| 67 | while (*s && isspace(Py_CHARMASK(*s))) |
| 68 | s++; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 69 | errno = 0; |
| 70 | x = PyOS_strtol(s, &end, 10); |
Guido van Rossum | df3d875 | 1998-08-04 15:02:01 +0000 | [diff] [blame] | 71 | if (end == s || !isdigit(end[-1])) |
| 72 | goto bad; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 73 | while (*end && isspace(Py_CHARMASK(*end))) |
| 74 | end++; |
| 75 | if (*end != '\0') { |
Guido van Rossum | df3d875 | 1998-08-04 15:02:01 +0000 | [diff] [blame] | 76 | bad: |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 77 | sprintf(buffer, "invalid literal for int(): %.200s", s); |
| 78 | PyErr_SetString(PyExc_ValueError, buffer); |
| 79 | return NULL; |
| 80 | } |
Guido van Rossum | 3b2b347 | 1998-06-22 03:54:15 +0000 | [diff] [blame] | 81 | else if (end != PyString_AS_STRING(v) + PyString_GET_SIZE(v)) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 82 | PyErr_SetString(PyExc_ValueError, |
| 83 | "null byte in argument for int()"); |
| 84 | return NULL; |
| 85 | } |
| 86 | else if (errno != 0) { |
| 87 | sprintf(buffer, "int() literal too large: %.200s", s); |
| 88 | PyErr_SetString(PyExc_ValueError, buffer); |
| 89 | return NULL; |
| 90 | } |
| 91 | return PyInt_FromLong(x); |
| 92 | } |
| 93 | |
| 94 | static PyObject * |
| 95 | long_from_string(v) |
| 96 | PyObject *v; |
| 97 | { |
| 98 | char *s, *end; |
| 99 | PyObject *x; |
| 100 | char buffer[256]; /* For errors */ |
| 101 | |
| 102 | s = PyString_AS_STRING(v); |
| 103 | while (*s && isspace(Py_CHARMASK(*s))) |
| 104 | s++; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 105 | x = PyLong_FromString(s, &end, 10); |
Guido van Rossum | df3d875 | 1998-08-04 15:02:01 +0000 | [diff] [blame] | 106 | if (x == NULL) { |
| 107 | if (PyErr_ExceptionMatches(PyExc_ValueError)) |
| 108 | goto bad; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 109 | return NULL; |
Guido van Rossum | df3d875 | 1998-08-04 15:02:01 +0000 | [diff] [blame] | 110 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 111 | while (*end && isspace(Py_CHARMASK(*end))) |
| 112 | end++; |
| 113 | if (*end != '\0') { |
Guido van Rossum | df3d875 | 1998-08-04 15:02:01 +0000 | [diff] [blame] | 114 | bad: |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 115 | sprintf(buffer, "invalid literal for long(): %.200s", s); |
| 116 | PyErr_SetString(PyExc_ValueError, buffer); |
Guido van Rossum | df3d875 | 1998-08-04 15:02:01 +0000 | [diff] [blame] | 117 | Py_XDECREF(x); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 118 | return NULL; |
| 119 | } |
Guido van Rossum | 3b2b347 | 1998-06-22 03:54:15 +0000 | [diff] [blame] | 120 | else if (end != PyString_AS_STRING(v) + PyString_GET_SIZE(v)) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 121 | PyErr_SetString(PyExc_ValueError, |
Guido van Rossum | 3b2b347 | 1998-06-22 03:54:15 +0000 | [diff] [blame] | 122 | "null byte in argument for long()"); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 123 | return NULL; |
| 124 | } |
| 125 | return x; |
| 126 | } |
| 127 | |
| 128 | static PyObject * |
| 129 | float_from_string(v) |
| 130 | PyObject *v; |
| 131 | { |
| 132 | extern double strtod Py_PROTO((const char *, char **)); |
Guido van Rossum | 9d904b9 | 1998-10-01 20:35:46 +0000 | [diff] [blame] | 133 | char *s, *last, *end; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 134 | double x; |
| 135 | char buffer[256]; /* For errors */ |
| 136 | |
| 137 | s = PyString_AS_STRING(v); |
Guido van Rossum | 9d904b9 | 1998-10-01 20:35:46 +0000 | [diff] [blame] | 138 | last = s + PyString_GET_SIZE(v); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 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) |
Guido van Rossum | 9d904b9 | 1998-10-01 20:35:46 +0000 | [diff] [blame] | 149 | /* Believe it or not, Solaris 2.6 can move end *beyond* the null |
| 150 | byte at the end of the string, when the input is inf(inity) */ |
| 151 | if (end > last) |
| 152 | end = last; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 153 | while (*end && isspace(Py_CHARMASK(*end))) |
| 154 | end++; |
| 155 | if (*end != '\0') { |
| 156 | sprintf(buffer, "invalid literal for float(): %.200s", s); |
| 157 | PyErr_SetString(PyExc_ValueError, buffer); |
| 158 | return NULL; |
| 159 | } |
Guido van Rossum | 3b2b347 | 1998-06-22 03:54:15 +0000 | [diff] [blame] | 160 | else if (end != PyString_AS_STRING(v) + PyString_GET_SIZE(v)) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 161 | PyErr_SetString(PyExc_ValueError, |
| 162 | "null byte in argument for float()"); |
| 163 | return NULL; |
| 164 | } |
| 165 | else if (errno != 0) { |
| 166 | sprintf(buffer, "float() literal too large: %.200s", s); |
| 167 | PyErr_SetString(PyExc_ValueError, buffer); |
| 168 | return NULL; |
| 169 | } |
| 170 | return PyFloat_FromDouble(x); |
| 171 | } |
| 172 | |
| 173 | /* Operations on any object */ |
| 174 | |
| 175 | int |
| 176 | PyObject_Cmp(o1, o2, result) |
| 177 | PyObject *o1; |
| 178 | PyObject *o2; |
| 179 | int *result; |
| 180 | { |
| 181 | int r; |
| 182 | |
| 183 | if (o1 == NULL || o2 == NULL) { |
| 184 | null_error(); |
| 185 | return -1; |
| 186 | } |
| 187 | r = PyObject_Compare(o1, o2); |
| 188 | if (PyErr_Occurred()) |
| 189 | return -1; |
| 190 | *result = r; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 191 | return 0; |
| 192 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 193 | |
| 194 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 195 | PyObject_Type(o) |
| 196 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 197 | { |
| 198 | PyObject *v; |
| 199 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 200 | if (o == NULL) |
| 201 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 202 | v = (PyObject *)o->ob_type; |
| 203 | Py_INCREF(v); |
| 204 | return v; |
| 205 | } |
| 206 | |
| 207 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 208 | PyObject_Length(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 209 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 210 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 211 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 212 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 213 | if (o == NULL) { |
| 214 | null_error(); |
| 215 | return -1; |
| 216 | } |
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 | m = o->ob_type->tp_as_sequence; |
| 219 | if (m && m->sq_length) |
| 220 | return m->sq_length(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 221 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 222 | return PyMapping_Length(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 223 | } |
| 224 | |
| 225 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 226 | PyObject_GetItem(o, key) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 227 | PyObject *o; |
| 228 | PyObject *key; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 229 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 230 | PyMappingMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 231 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 232 | if (o == NULL || key == NULL) |
| 233 | return null_error(); |
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 | m = o->ob_type->tp_as_mapping; |
| 236 | if (m && m->mp_subscript) |
| 237 | return m->mp_subscript(o, key); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 238 | |
Guido van Rossum | 2130824 | 1998-08-13 16:44:44 +0000 | [diff] [blame] | 239 | if (o->ob_type->tp_as_sequence) { |
| 240 | if (PyInt_Check(key)) |
| 241 | return PySequence_GetItem(o, PyInt_AsLong(key)); |
| 242 | return type_error("sequence index must be integer"); |
| 243 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 244 | |
| 245 | return type_error("unsubscriptable object"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 246 | } |
| 247 | |
| 248 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 249 | PyObject_SetItem(o, key, value) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 250 | PyObject *o; |
| 251 | PyObject *key; |
| 252 | PyObject *value; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 253 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 254 | PyMappingMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 255 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 256 | if (o == NULL || key == NULL || value == NULL) { |
| 257 | null_error(); |
| 258 | return -1; |
| 259 | } |
| 260 | m = o->ob_type->tp_as_mapping; |
| 261 | if (m && m->mp_ass_subscript) |
| 262 | return m->mp_ass_subscript(o, key, value); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 263 | |
Guido van Rossum | 2130824 | 1998-08-13 16:44:44 +0000 | [diff] [blame] | 264 | if (o->ob_type->tp_as_sequence) { |
| 265 | if (PyInt_Check(key)) |
| 266 | return PySequence_SetItem(o, PyInt_AsLong(key), value); |
| 267 | type_error("sequence index must be integer"); |
| 268 | return -1; |
| 269 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 270 | |
| 271 | type_error("object does not support item assignment"); |
| 272 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 273 | } |
| 274 | |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 275 | int |
| 276 | PyObject_DelItem(o, key) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 277 | PyObject *o; |
| 278 | PyObject *key; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 279 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 280 | PyMappingMethods *m; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 281 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 282 | if (o == NULL || key == NULL) { |
| 283 | null_error(); |
| 284 | return -1; |
| 285 | } |
| 286 | m = o->ob_type->tp_as_mapping; |
| 287 | if (m && m->mp_ass_subscript) |
| 288 | return m->mp_ass_subscript(o, key, (PyObject*)NULL); |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 289 | |
Guido van Rossum | 2130824 | 1998-08-13 16:44:44 +0000 | [diff] [blame] | 290 | if (o->ob_type->tp_as_sequence) { |
| 291 | if (PyInt_Check(key)) |
| 292 | return PySequence_DelItem(o, PyInt_AsLong(key)); |
| 293 | type_error("sequence index must be integer"); |
| 294 | return -1; |
| 295 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 296 | |
| 297 | type_error("object does not support item deletion"); |
| 298 | return -1; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 299 | } |
| 300 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 301 | /* Operations on numbers */ |
| 302 | |
| 303 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 304 | PyNumber_Check(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 305 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 306 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 307 | return o && o->ob_type->tp_as_number; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 308 | } |
| 309 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 310 | /* Binary operators */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 311 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 312 | #define BINOP(v, w, opname, ropname, thisfunc) \ |
| 313 | if (PyInstance_Check(v) || PyInstance_Check(w)) \ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 314 | return PyInstance_DoBinOp(v, w, opname, ropname, thisfunc) |
| 315 | |
| 316 | PyObject * |
| 317 | PyNumber_Or(v, w) |
| 318 | PyObject *v, *w; |
| 319 | { |
| 320 | extern int PyNumber_Coerce(); |
| 321 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 322 | BINOP(v, w, "__or__", "__ror__", PyNumber_Or); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 323 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 324 | PyObject *x = NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 325 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 326 | if (PyNumber_Coerce(&v, &w) != 0) |
| 327 | return NULL; |
| 328 | if ((f = v->ob_type->tp_as_number->nb_or) != NULL) |
| 329 | x = (*f)(v, w); |
| 330 | Py_DECREF(v); |
| 331 | Py_DECREF(w); |
| 332 | if (f != NULL) |
| 333 | return x; |
| 334 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 335 | return type_error("bad operand type(s) for |"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 336 | } |
| 337 | |
| 338 | PyObject * |
| 339 | PyNumber_Xor(v, w) |
| 340 | PyObject *v, *w; |
| 341 | { |
| 342 | extern int PyNumber_Coerce(); |
| 343 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 344 | BINOP(v, w, "__xor__", "__rxor__", PyNumber_Xor); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 345 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 346 | PyObject *x = NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 347 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 348 | if (PyNumber_Coerce(&v, &w) != 0) |
| 349 | return NULL; |
| 350 | if ((f = v->ob_type->tp_as_number->nb_xor) != NULL) |
| 351 | x = (*f)(v, w); |
| 352 | Py_DECREF(v); |
| 353 | Py_DECREF(w); |
| 354 | if (f != NULL) |
| 355 | return x; |
| 356 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 357 | return type_error("bad operand type(s) for ^"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 358 | } |
| 359 | |
| 360 | PyObject * |
| 361 | PyNumber_And(v, w) |
| 362 | PyObject *v, *w; |
| 363 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 364 | BINOP(v, w, "__and__", "__rand__", PyNumber_And); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 365 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 366 | PyObject *x = NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 367 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 368 | if (PyNumber_Coerce(&v, &w) != 0) |
| 369 | return NULL; |
| 370 | if ((f = v->ob_type->tp_as_number->nb_and) != NULL) |
| 371 | x = (*f)(v, w); |
| 372 | Py_DECREF(v); |
| 373 | Py_DECREF(w); |
| 374 | if (f != NULL) |
| 375 | return x; |
| 376 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 377 | return type_error("bad operand type(s) for &"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 378 | } |
| 379 | |
| 380 | PyObject * |
| 381 | PyNumber_Lshift(v, w) |
| 382 | PyObject *v, *w; |
| 383 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 384 | BINOP(v, w, "__lshift__", "__rlshift__", PyNumber_Lshift); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 385 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 386 | PyObject *x = NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 387 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 388 | if (PyNumber_Coerce(&v, &w) != 0) |
| 389 | return NULL; |
| 390 | if ((f = v->ob_type->tp_as_number->nb_lshift) != NULL) |
| 391 | x = (*f)(v, w); |
| 392 | Py_DECREF(v); |
| 393 | Py_DECREF(w); |
| 394 | if (f != NULL) |
| 395 | return x; |
| 396 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 397 | return type_error("bad operand type(s) for <<"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 398 | } |
| 399 | |
| 400 | PyObject * |
| 401 | PyNumber_Rshift(v, w) |
| 402 | PyObject *v, *w; |
| 403 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 404 | BINOP(v, w, "__rshift__", "__rrshift__", PyNumber_Rshift); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 405 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 406 | PyObject *x = NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 407 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
| 408 | if (PyNumber_Coerce(&v, &w) != 0) |
| 409 | return NULL; |
| 410 | if ((f = v->ob_type->tp_as_number->nb_rshift) != NULL) |
| 411 | x = (*f)(v, w); |
| 412 | Py_DECREF(v); |
| 413 | Py_DECREF(w); |
| 414 | if (f != NULL) |
| 415 | return x; |
| 416 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 417 | return type_error("bad operand type(s) for >>"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 418 | } |
| 419 | |
| 420 | PyObject * |
| 421 | PyNumber_Add(v, w) |
| 422 | PyObject *v, *w; |
| 423 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 424 | PySequenceMethods *m; |
| 425 | |
| 426 | BINOP(v, w, "__add__", "__radd__", PyNumber_Add); |
| 427 | m = v->ob_type->tp_as_sequence; |
| 428 | if (m && m->sq_concat) |
| 429 | return (*m->sq_concat)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 430 | else if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 431 | PyObject *x = NULL; |
| 432 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 433 | if (PyNumber_Coerce(&v, &w) != 0) |
| 434 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 435 | if ((f = v->ob_type->tp_as_number->nb_add) != NULL) |
| 436 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 437 | Py_DECREF(v); |
| 438 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 439 | if (f != NULL) |
| 440 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 441 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 442 | return type_error("bad operand type(s) for +"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 443 | } |
| 444 | |
| 445 | PyObject * |
| 446 | PyNumber_Subtract(v, w) |
| 447 | PyObject *v, *w; |
| 448 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 449 | BINOP(v, w, "__sub__", "__rsub__", PyNumber_Subtract); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 450 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 451 | PyObject *x = NULL; |
| 452 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 453 | if (PyNumber_Coerce(&v, &w) != 0) |
| 454 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 455 | if ((f = v->ob_type->tp_as_number->nb_subtract) != NULL) |
| 456 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 457 | Py_DECREF(v); |
| 458 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 459 | if (f != NULL) |
| 460 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 461 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 462 | return type_error("bad operand type(s) for -"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 463 | } |
| 464 | |
| 465 | PyObject * |
| 466 | PyNumber_Multiply(v, w) |
| 467 | PyObject *v, *w; |
| 468 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 469 | PyTypeObject *tp = v->ob_type; |
| 470 | PySequenceMethods *m; |
| 471 | |
| 472 | BINOP(v, w, "__mul__", "__rmul__", PyNumber_Multiply); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 473 | if (tp->tp_as_number != NULL && |
| 474 | w->ob_type->tp_as_sequence != NULL && |
| 475 | !PyInstance_Check(v)) { |
| 476 | /* number*sequence -- swap v and w */ |
| 477 | PyObject *tmp = v; |
| 478 | v = w; |
| 479 | w = tmp; |
| 480 | tp = v->ob_type; |
| 481 | } |
| 482 | if (tp->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 483 | PyObject *x = NULL; |
| 484 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 485 | if (PyInstance_Check(v)) { |
| 486 | /* Instances of user-defined classes get their |
| 487 | other argument uncoerced, so they may |
| 488 | implement sequence*number as well as |
| 489 | number*number. */ |
| 490 | Py_INCREF(v); |
| 491 | Py_INCREF(w); |
| 492 | } |
| 493 | else if (PyNumber_Coerce(&v, &w) != 0) |
| 494 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 495 | if ((f = v->ob_type->tp_as_number->nb_multiply) != NULL) |
| 496 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 497 | Py_DECREF(v); |
| 498 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 499 | if (f != NULL) |
| 500 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 501 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 502 | m = tp->tp_as_sequence; |
| 503 | if (m && m->sq_repeat) { |
| 504 | if (!PyInt_Check(w)) |
| 505 | return type_error( |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 506 | "can't multiply sequence with non-int"); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 507 | return (*m->sq_repeat)(v, (int)PyInt_AsLong(w)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 508 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 509 | return type_error("bad operand type(s) for *"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 510 | } |
| 511 | |
| 512 | PyObject * |
| 513 | PyNumber_Divide(v, w) |
| 514 | PyObject *v, *w; |
| 515 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 516 | BINOP(v, w, "__div__", "__rdiv__", PyNumber_Divide); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 517 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 518 | PyObject *x = NULL; |
| 519 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 520 | if (PyNumber_Coerce(&v, &w) != 0) |
| 521 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 522 | if ((f = v->ob_type->tp_as_number->nb_divide) != NULL) |
| 523 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 524 | Py_DECREF(v); |
| 525 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 526 | if (f != NULL) |
| 527 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 528 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 529 | return type_error("bad operand type(s) for /"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 530 | } |
| 531 | |
| 532 | PyObject * |
| 533 | PyNumber_Remainder(v, w) |
| 534 | PyObject *v, *w; |
| 535 | { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 536 | if (PyString_Check(v)) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 537 | return PyString_Format(v, w); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 538 | BINOP(v, w, "__mod__", "__rmod__", PyNumber_Remainder); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 539 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 540 | PyObject *x = NULL; |
| 541 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 542 | if (PyNumber_Coerce(&v, &w) != 0) |
| 543 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 544 | if ((f = v->ob_type->tp_as_number->nb_remainder) != NULL) |
| 545 | x = (*f)(v, w); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 546 | Py_DECREF(v); |
| 547 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 548 | if (f != NULL) |
| 549 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 550 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 551 | return type_error("bad operand type(s) for %"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 552 | } |
| 553 | |
| 554 | PyObject * |
| 555 | PyNumber_Divmod(v, w) |
| 556 | PyObject *v, *w; |
| 557 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 558 | BINOP(v, w, "__divmod__", "__rdivmod__", PyNumber_Divmod); |
| 559 | if (v->ob_type->tp_as_number != NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 560 | PyObject *x = NULL; |
| 561 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *)); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 562 | if (PyNumber_Coerce(&v, &w) != 0) |
| 563 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 564 | if ((f = v->ob_type->tp_as_number->nb_divmod) != NULL) |
| 565 | x = (*f)(v, w); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 566 | Py_DECREF(v); |
| 567 | Py_DECREF(w); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 568 | if (f != NULL) |
| 569 | return x; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 570 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 571 | return type_error("bad operand type(s) for divmod()"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 572 | } |
| 573 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 574 | /* Power (binary or ternary) */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 575 | |
| 576 | static PyObject * |
| 577 | do_pow(v, w) |
| 578 | PyObject *v, *w; |
| 579 | { |
| 580 | PyObject *res; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 581 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *, PyObject *)); |
| 582 | BINOP(v, w, "__pow__", "__rpow__", do_pow); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 583 | if (v->ob_type->tp_as_number == NULL || |
| 584 | w->ob_type->tp_as_number == NULL) { |
| 585 | PyErr_SetString(PyExc_TypeError, |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 586 | "pow(x, y) requires numeric arguments"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 587 | return NULL; |
| 588 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 589 | if (PyNumber_Coerce(&v, &w) != 0) |
| 590 | return NULL; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 591 | if ((f = v->ob_type->tp_as_number->nb_power) != NULL) |
| 592 | res = (*f)(v, w, Py_None); |
| 593 | else |
| 594 | res = type_error("pow(x, y) not defined for these operands"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 595 | Py_DECREF(v); |
| 596 | Py_DECREF(w); |
| 597 | return res; |
| 598 | } |
| 599 | |
| 600 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 601 | PyNumber_Power(v, w, z) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 602 | PyObject *v, *w, *z; |
| 603 | { |
| 604 | PyObject *res; |
| 605 | PyObject *v1, *z1, *w2, *z2; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 606 | PyObject * (*f) Py_FPROTO((PyObject *, PyObject *, PyObject *)); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 607 | |
| 608 | if (z == Py_None) |
| 609 | return do_pow(v, w); |
| 610 | /* XXX The ternary version doesn't do class instance coercions */ |
| 611 | if (PyInstance_Check(v)) |
| 612 | return v->ob_type->tp_as_number->nb_power(v, w, z); |
| 613 | if (v->ob_type->tp_as_number == NULL || |
| 614 | z->ob_type->tp_as_number == NULL || |
| 615 | w->ob_type->tp_as_number == NULL) { |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 616 | return type_error("pow(x, y, z) requires numeric arguments"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 617 | } |
| 618 | if (PyNumber_Coerce(&v, &w) != 0) |
| 619 | return NULL; |
| 620 | res = NULL; |
| 621 | v1 = v; |
| 622 | z1 = z; |
| 623 | if (PyNumber_Coerce(&v1, &z1) != 0) |
| 624 | goto error2; |
| 625 | w2 = w; |
| 626 | z2 = z1; |
| 627 | if (PyNumber_Coerce(&w2, &z2) != 0) |
| 628 | goto error1; |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 629 | if ((f = v1->ob_type->tp_as_number->nb_power) != NULL) |
| 630 | res = (*f)(v1, w2, z2); |
| 631 | else |
| 632 | res = type_error( |
| 633 | "pow(x, y, z) not defined for these operands"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 634 | Py_DECREF(w2); |
| 635 | Py_DECREF(z2); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 636 | error1: |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 637 | Py_DECREF(v1); |
| 638 | Py_DECREF(z1); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 639 | error2: |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 640 | Py_DECREF(v); |
| 641 | Py_DECREF(w); |
| 642 | return res; |
| 643 | } |
| 644 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 645 | /* Unary operators and functions */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 646 | |
| 647 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 648 | PyNumber_Negative(o) |
| 649 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 650 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 651 | PyNumberMethods *m; |
| 652 | |
| 653 | if (o == NULL) |
| 654 | return null_error(); |
| 655 | m = o->ob_type->tp_as_number; |
| 656 | if (m && m->nb_negative) |
| 657 | return (*m->nb_negative)(o); |
| 658 | |
| 659 | return type_error("bad operand type for unary -"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 660 | } |
| 661 | |
| 662 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 663 | PyNumber_Positive(o) |
| 664 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 665 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 666 | PyNumberMethods *m; |
| 667 | |
| 668 | if (o == NULL) |
| 669 | return null_error(); |
| 670 | m = o->ob_type->tp_as_number; |
| 671 | if (m && m->nb_positive) |
| 672 | return (*m->nb_positive)(o); |
| 673 | |
| 674 | return type_error("bad operand type for unary +"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 675 | } |
| 676 | |
| 677 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 678 | PyNumber_Invert(o) |
| 679 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 680 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 681 | PyNumberMethods *m; |
| 682 | |
| 683 | if (o == NULL) |
| 684 | return null_error(); |
| 685 | m = o->ob_type->tp_as_number; |
| 686 | if (m && m->nb_invert) |
| 687 | return (*m->nb_invert)(o); |
| 688 | |
| 689 | return type_error("bad operand type for unary ~"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 690 | } |
| 691 | |
| 692 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 693 | PyNumber_Absolute(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 694 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 695 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 696 | PyNumberMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 697 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 698 | if (o == NULL) |
| 699 | return null_error(); |
| 700 | m = o->ob_type->tp_as_number; |
| 701 | if (m && m->nb_absolute) |
| 702 | return m->nb_absolute(o); |
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 | return type_error("bad operand type for abs()"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 705 | } |
| 706 | |
| 707 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 708 | PyNumber_Int(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 709 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 710 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 711 | PyNumberMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 712 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 713 | if (o == NULL) |
| 714 | return null_error(); |
| 715 | if (PyString_Check(o)) |
| 716 | return int_from_string(o); |
| 717 | m = o->ob_type->tp_as_number; |
| 718 | if (m && m->nb_int) |
| 719 | return m->nb_int(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 720 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 721 | return type_error("object can't be converted to int"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 722 | } |
| 723 | |
| 724 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 725 | PyNumber_Long(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 726 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 727 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 728 | PyNumberMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 729 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 730 | if (o == NULL) |
| 731 | return null_error(); |
| 732 | if (PyString_Check(o)) |
| 733 | return long_from_string(o); |
| 734 | m = o->ob_type->tp_as_number; |
| 735 | if (m && m->nb_long) |
| 736 | return m->nb_long(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 737 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 738 | return type_error("object can't be converted to long"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 739 | } |
| 740 | |
| 741 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 742 | PyNumber_Float(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 743 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 744 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 745 | PyNumberMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 746 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 747 | if (o == NULL) |
| 748 | return null_error(); |
| 749 | if (PyString_Check(o)) |
| 750 | return float_from_string(o); |
| 751 | m = o->ob_type->tp_as_number; |
| 752 | if (m && m->nb_float) |
| 753 | return m->nb_float(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 754 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 755 | return type_error("object can't be converted to float"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 756 | } |
| 757 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 758 | /* Operations on sequences */ |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 759 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 760 | int |
| 761 | PySequence_Check(s) |
| 762 | PyObject *s; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 763 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 764 | return s != NULL && s->ob_type->tp_as_sequence; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 765 | } |
| 766 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 767 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 768 | PySequence_Length(s) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 769 | PyObject *s; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 770 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 771 | PySequenceMethods *m; |
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 | if (s == NULL) { |
| 774 | null_error(); |
| 775 | return -1; |
| 776 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 777 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 778 | m = s->ob_type->tp_as_sequence; |
| 779 | if (m && m->sq_length) |
| 780 | return m->sq_length(s); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 781 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 782 | type_error("len() of unsized object"); |
| 783 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 784 | } |
| 785 | |
| 786 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 787 | PySequence_Concat(s, o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 788 | PyObject *s; |
| 789 | PyObject *o; |
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 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 792 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 793 | if (s == NULL || o == NULL) |
| 794 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 795 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 796 | m = s->ob_type->tp_as_sequence; |
| 797 | if (m && m->sq_concat) |
| 798 | return m->sq_concat(s, o); |
| 799 | |
| 800 | return type_error("object can't be concatenated"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 801 | } |
| 802 | |
| 803 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 804 | PySequence_Repeat(o, count) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 805 | PyObject *o; |
| 806 | int count; |
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 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 809 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 810 | if (o == NULL) |
| 811 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 812 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 813 | m = o->ob_type->tp_as_sequence; |
| 814 | if (m && m->sq_repeat) |
| 815 | return m->sq_repeat(o, count); |
| 816 | |
| 817 | return type_error("object can't be repeated"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 818 | } |
| 819 | |
| 820 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 821 | PySequence_GetItem(s, i) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 822 | PyObject *s; |
| 823 | int i; |
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 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 826 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 827 | if (s == NULL) |
| 828 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 829 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 830 | m = s->ob_type->tp_as_sequence; |
| 831 | if (m && m->sq_item) { |
| 832 | if (i < 0) { |
| 833 | if (m->sq_length) { |
| 834 | int l = (*m->sq_length)(s); |
| 835 | if (l < 0) |
| 836 | return NULL; |
| 837 | i += l; |
| 838 | } |
| 839 | } |
| 840 | return m->sq_item(s, i); |
| 841 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 842 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 843 | return type_error("unindexable object"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 844 | } |
| 845 | |
| 846 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 847 | PySequence_GetSlice(s, i1, i2) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 848 | PyObject *s; |
| 849 | int i1; |
| 850 | int i2; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 851 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 852 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 853 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 854 | if (!s) return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 855 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 856 | m = s->ob_type->tp_as_sequence; |
| 857 | if (m && m->sq_slice) { |
| 858 | if (i1 < 0 || i2 < 0) { |
| 859 | if (m->sq_length) { |
| 860 | int l = (*m->sq_length)(s); |
| 861 | if (l < 0) |
| 862 | return NULL; |
| 863 | if (i1 < 0) |
| 864 | i1 += l; |
| 865 | if (i2 < 0) |
| 866 | i2 += l; |
| 867 | } |
| 868 | } |
| 869 | return m->sq_slice(s, i1, i2); |
| 870 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 871 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 872 | return type_error("unsliceable object"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 873 | } |
| 874 | |
| 875 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 876 | PySequence_SetItem(s, i, o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 877 | PyObject *s; |
| 878 | int i; |
| 879 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 880 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 881 | PySequenceMethods *m; |
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 | if (s == NULL) { |
| 884 | null_error(); |
| 885 | return -1; |
| 886 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 887 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 888 | m = s->ob_type->tp_as_sequence; |
| 889 | if (m && m->sq_ass_item) { |
| 890 | if (i < 0) { |
| 891 | if (m->sq_length) { |
| 892 | int l = (*m->sq_length)(s); |
| 893 | if (l < 0) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 894 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 895 | i += l; |
| 896 | } |
| 897 | } |
| 898 | return m->sq_ass_item(s, i, o); |
| 899 | } |
| 900 | |
| 901 | type_error("object doesn't support item assignment"); |
| 902 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 903 | } |
| 904 | |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 905 | int |
| 906 | PySequence_DelItem(s, i) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 907 | PyObject *s; |
| 908 | int i; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 909 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 910 | PySequenceMethods *m; |
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 | if (s == NULL) { |
| 913 | null_error(); |
| 914 | return -1; |
| 915 | } |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 916 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 917 | m = s->ob_type->tp_as_sequence; |
| 918 | if (m && m->sq_ass_item) { |
| 919 | if (i < 0) { |
| 920 | if (m->sq_length) { |
| 921 | int l = (*m->sq_length)(s); |
| 922 | if (l < 0) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 923 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 924 | i += l; |
| 925 | } |
| 926 | } |
| 927 | return m->sq_ass_item(s, i, (PyObject *)NULL); |
| 928 | } |
| 929 | |
| 930 | type_error("object doesn't support item deletion"); |
| 931 | return -1; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 932 | } |
| 933 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 934 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 935 | PySequence_SetSlice(s, i1, i2, o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 936 | PyObject *s; |
| 937 | int i1; |
| 938 | int i2; |
| 939 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 940 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 941 | PySequenceMethods *m; |
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 | if (s == NULL) { |
| 944 | null_error(); |
| 945 | return -1; |
| 946 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 947 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 948 | m = s->ob_type->tp_as_sequence; |
| 949 | if (m && m->sq_ass_slice) { |
| 950 | if (i1 < 0 || i2 < 0) { |
| 951 | if (m->sq_length) { |
| 952 | int l = (*m->sq_length)(s); |
| 953 | if (l < 0) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 954 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 955 | if (i1 < 0) |
| 956 | i1 += l; |
| 957 | if (i2 < 0) |
| 958 | i2 += l; |
| 959 | } |
| 960 | } |
| 961 | return m->sq_ass_slice(s, i1, i2, o); |
| 962 | } |
| 963 | type_error("object doesn't support slice assignment"); |
| 964 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 965 | } |
| 966 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 967 | int |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 968 | PySequence_DelSlice(s, i1, i2) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 969 | PyObject *s; |
| 970 | int i1; |
| 971 | int i2; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 972 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 973 | PySequenceMethods *m; |
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 | if (s == NULL) { |
| 976 | null_error(); |
| 977 | return -1; |
| 978 | } |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 979 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 980 | m = s->ob_type->tp_as_sequence; |
| 981 | if (m && m->sq_ass_slice) { |
| 982 | if (i1 < 0 || i2 < 0) { |
| 983 | if (m->sq_length) { |
| 984 | int l = (*m->sq_length)(s); |
| 985 | if (l < 0) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 986 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 987 | if (i1 < 0) |
| 988 | i1 += l; |
| 989 | if (i2 < 0) |
| 990 | i2 += l; |
| 991 | } |
| 992 | } |
| 993 | return m->sq_ass_slice(s, i1, i2, (PyObject *)NULL); |
| 994 | } |
| 995 | type_error("object doesn't support slice deletion"); |
| 996 | return -1; |
Guido van Rossum | 6cdc6f4 | 1996-08-21 17:41:54 +0000 | [diff] [blame] | 997 | } |
| 998 | |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 999 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1000 | PySequence_Tuple(v) |
| 1001 | PyObject *v; |
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 | PySequenceMethods *m; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1004 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1005 | if (v == NULL) |
| 1006 | return null_error(); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1007 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1008 | if (PyTuple_Check(v)) { |
| 1009 | Py_INCREF(v); |
| 1010 | return v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1011 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1012 | |
| 1013 | if (PyList_Check(v)) |
| 1014 | return PyList_AsTuple(v); |
| 1015 | |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1016 | /* There used to be code for strings here, but tuplifying strings is |
| 1017 | 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] | 1018 | |
| 1019 | /* Generic sequence object */ |
| 1020 | m = v->ob_type->tp_as_sequence; |
| 1021 | if (m && m->sq_item) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1022 | int i; |
| 1023 | PyObject *t; |
| 1024 | int n = PySequence_Length(v); |
| 1025 | if (n < 0) |
| 1026 | return NULL; |
| 1027 | t = PyTuple_New(n); |
| 1028 | if (t == NULL) |
| 1029 | return NULL; |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1030 | for (i = 0; ; i++) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1031 | PyObject *item = (*m->sq_item)(v, i); |
| 1032 | if (item == NULL) { |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1033 | if (PyErr_ExceptionMatches(PyExc_IndexError)) |
| 1034 | PyErr_Clear(); |
| 1035 | else { |
| 1036 | Py_DECREF(t); |
| 1037 | t = NULL; |
| 1038 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1039 | break; |
| 1040 | } |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1041 | if (i >= n) { |
| 1042 | if (n < 500) |
| 1043 | n += 10; |
| 1044 | else |
| 1045 | n += 100; |
| 1046 | if (_PyTuple_Resize(&t, n, 0) != 0) |
| 1047 | break; |
| 1048 | } |
| 1049 | PyTuple_SET_ITEM(t, i, item); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1050 | } |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1051 | if (i < n && t != NULL) |
| 1052 | _PyTuple_Resize(&t, i, 0); |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1053 | return t; |
| 1054 | } |
| 1055 | |
| 1056 | /* None of the above */ |
| 1057 | return type_error("tuple() argument must be a sequence"); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1058 | } |
| 1059 | |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 1060 | PyObject * |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1061 | PySequence_List(v) |
| 1062 | PyObject *v; |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 1063 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1064 | PySequenceMethods *m; |
Guido van Rossum | 4669fb4 | 1997-04-02 05:31:09 +0000 | [diff] [blame] | 1065 | |
Guido van Rossum | 5dba9e8 | 1998-07-10 18:03:50 +0000 | [diff] [blame] | 1066 | if (v == NULL) |
| 1067 | return null_error(); |
| 1068 | |
| 1069 | if (PyList_Check(v)) |
| 1070 | return PyList_GetSlice(v, 0, PyList_GET_SIZE(v)); |
| 1071 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1072 | m = v->ob_type->tp_as_sequence; |
| 1073 | if (m && m->sq_item) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1074 | int i; |
| 1075 | PyObject *l; |
| 1076 | int n = PySequence_Length(v); |
| 1077 | if (n < 0) |
| 1078 | return NULL; |
| 1079 | l = PyList_New(n); |
| 1080 | if (l == NULL) |
| 1081 | return NULL; |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1082 | for (i = 0; ; i++) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1083 | PyObject *item = (*m->sq_item)(v, i); |
| 1084 | if (item == NULL) { |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1085 | if (PyErr_ExceptionMatches(PyExc_IndexError)) |
| 1086 | PyErr_Clear(); |
| 1087 | else { |
| 1088 | Py_DECREF(l); |
| 1089 | l = NULL; |
| 1090 | } |
| 1091 | break; |
| 1092 | } |
| 1093 | if (i < n) |
| 1094 | PyList_SET_ITEM(l, i, item); |
| 1095 | else if (PyList_Append(l, item) < 0) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1096 | Py_DECREF(l); |
| 1097 | l = NULL; |
| 1098 | break; |
| 1099 | } |
Guido van Rossum | bfc725b | 1998-07-10 16:22:44 +0000 | [diff] [blame] | 1100 | } |
| 1101 | if (i < n && l != NULL) { |
| 1102 | if (PyList_SetSlice(l, i, n, (PyObject *)NULL) != 0) { |
| 1103 | Py_DECREF(l); |
| 1104 | l = NULL; |
| 1105 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1106 | } |
| 1107 | return l; |
Guido van Rossum | 4669fb4 | 1997-04-02 05:31:09 +0000 | [diff] [blame] | 1108 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1109 | return type_error("list() argument must be a sequence"); |
Guido van Rossum | 3c5936a | 1996-12-05 21:51:24 +0000 | [diff] [blame] | 1110 | } |
| 1111 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1112 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1113 | PySequence_Count(s, o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1114 | PyObject *s; |
| 1115 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1116 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1117 | int l, i, n, cmp, err; |
| 1118 | PyObject *item; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1119 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1120 | if (s == NULL || o == NULL) { |
| 1121 | null_error(); |
| 1122 | return -1; |
| 1123 | } |
| 1124 | |
| 1125 | l = PySequence_Length(s); |
| 1126 | if (l < 0) |
| 1127 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1128 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1129 | n = 0; |
| 1130 | for (i = 0; i < l; i++) { |
| 1131 | item = PySequence_GetItem(s, i); |
| 1132 | if (item == NULL) |
| 1133 | return -1; |
| 1134 | err = PyObject_Cmp(item, o, &cmp); |
| 1135 | Py_DECREF(item); |
| 1136 | if (err < 0) |
| 1137 | return err; |
| 1138 | if (cmp == 0) |
| 1139 | n++; |
| 1140 | } |
| 1141 | return n; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1142 | } |
| 1143 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1144 | int |
| 1145 | PySequence_Contains(w, v) /* v in w */ |
| 1146 | PyObject *w; |
| 1147 | PyObject *v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1148 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1149 | int i, cmp; |
| 1150 | PyObject *x; |
| 1151 | PySequenceMethods *sq; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1152 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1153 | /* Special case for char in string */ |
| 1154 | if (PyString_Check(w)) { |
| 1155 | register char *s, *end; |
| 1156 | register char c; |
| 1157 | if (!PyString_Check(v) || PyString_Size(v) != 1) { |
| 1158 | PyErr_SetString(PyExc_TypeError, |
| 1159 | "string member test needs char left operand"); |
| 1160 | return -1; |
| 1161 | } |
| 1162 | c = PyString_AsString(v)[0]; |
| 1163 | s = PyString_AsString(w); |
| 1164 | end = s + PyString_Size(w); |
| 1165 | while (s < end) { |
| 1166 | if (c == *s++) |
| 1167 | return 1; |
| 1168 | } |
| 1169 | return 0; |
| 1170 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1171 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1172 | sq = w->ob_type->tp_as_sequence; |
| 1173 | if (sq == NULL || sq->sq_item == NULL) { |
| 1174 | PyErr_SetString(PyExc_TypeError, |
| 1175 | "'in' or 'not in' needs sequence right argument"); |
| 1176 | return -1; |
| 1177 | } |
| 1178 | |
| 1179 | for (i = 0; ; i++) { |
| 1180 | x = (*sq->sq_item)(w, i); |
| 1181 | if (x == NULL) { |
Guido van Rossum | 08570de | 1998-05-28 19:24:35 +0000 | [diff] [blame] | 1182 | if (PyErr_ExceptionMatches(PyExc_IndexError)) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1183 | PyErr_Clear(); |
| 1184 | break; |
| 1185 | } |
| 1186 | return -1; |
| 1187 | } |
| 1188 | cmp = PyObject_Compare(v, x); |
| 1189 | Py_XDECREF(x); |
| 1190 | if (cmp == 0) |
| 1191 | return 1; |
| 1192 | if (PyErr_Occurred()) |
| 1193 | return -1; |
| 1194 | } |
| 1195 | |
| 1196 | return 0; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1197 | } |
| 1198 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1199 | /* Backwards compatibility */ |
| 1200 | #undef PySequence_In |
| 1201 | int |
| 1202 | PySequence_In(w, v) |
| 1203 | PyObject *w; |
| 1204 | PyObject *v; |
| 1205 | { |
| 1206 | return PySequence_Contains(w, v); |
| 1207 | } |
| 1208 | |
| 1209 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1210 | PySequence_Index(s, o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1211 | PyObject *s; |
| 1212 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1213 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1214 | int l, i, cmp, err; |
| 1215 | PyObject *item; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1216 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1217 | if (s == NULL || o == NULL) { |
| 1218 | null_error(); |
| 1219 | return -1; |
| 1220 | } |
| 1221 | |
| 1222 | l = PySequence_Length(s); |
| 1223 | if (l < 0) |
| 1224 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1225 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1226 | for (i = 0; i < l; i++) { |
| 1227 | item = PySequence_GetItem(s, i); |
| 1228 | if (item == NULL) |
| 1229 | return -1; |
| 1230 | err = PyObject_Cmp(item, o, &cmp); |
| 1231 | Py_DECREF(item); |
| 1232 | if (err < 0) |
| 1233 | return err; |
| 1234 | if (cmp == 0) |
| 1235 | return i; |
| 1236 | } |
| 1237 | |
| 1238 | PyErr_SetString(PyExc_ValueError, "sequence.index(x): x not in list"); |
| 1239 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1240 | } |
| 1241 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1242 | /* Operations on mappings */ |
| 1243 | |
| 1244 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1245 | PyMapping_Check(o) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1246 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1247 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1248 | return o && o->ob_type->tp_as_mapping; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1249 | } |
| 1250 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1251 | int |
| 1252 | PyMapping_Length(o) |
| 1253 | PyObject *o; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1254 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1255 | PyMappingMethods *m; |
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 | if (o == NULL) { |
| 1258 | null_error(); |
| 1259 | return -1; |
| 1260 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1261 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1262 | m = o->ob_type->tp_as_mapping; |
| 1263 | if (m && m->mp_length) |
| 1264 | return m->mp_length(o); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1265 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1266 | type_error("len() of unsized object"); |
| 1267 | return -1; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1268 | } |
| 1269 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1270 | PyObject * |
| 1271 | PyMapping_GetItemString(o, key) |
| 1272 | PyObject *o; |
| 1273 | char *key; |
| 1274 | { |
| 1275 | PyObject *okey, *r; |
| 1276 | |
| 1277 | if (key == NULL) |
| 1278 | return null_error(); |
| 1279 | |
| 1280 | okey = PyString_FromString(key); |
| 1281 | if (okey == NULL) |
| 1282 | return NULL; |
| 1283 | r = PyObject_GetItem(o, okey); |
| 1284 | Py_DECREF(okey); |
| 1285 | return r; |
| 1286 | } |
| 1287 | |
| 1288 | int |
| 1289 | PyMapping_SetItemString(o, key, value) |
| 1290 | PyObject *o; |
| 1291 | char *key; |
| 1292 | PyObject *value; |
| 1293 | { |
| 1294 | PyObject *okey; |
| 1295 | int r; |
| 1296 | |
| 1297 | if (key == NULL) { |
| 1298 | null_error(); |
| 1299 | return -1; |
| 1300 | } |
| 1301 | |
| 1302 | okey = PyString_FromString(key); |
| 1303 | if (okey == NULL) |
Guido van Rossum | ed6219b | 1998-05-29 02:59:33 +0000 | [diff] [blame] | 1304 | return -1; |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1305 | r = PyObject_SetItem(o, okey, value); |
| 1306 | Py_DECREF(okey); |
| 1307 | return r; |
| 1308 | } |
| 1309 | |
| 1310 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1311 | PyMapping_HasKeyString(o, key) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1312 | PyObject *o; |
| 1313 | char *key; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1314 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1315 | PyObject *v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1316 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1317 | v = PyMapping_GetItemString(o, key); |
| 1318 | if (v) { |
| 1319 | Py_DECREF(v); |
| 1320 | return 1; |
| 1321 | } |
| 1322 | PyErr_Clear(); |
| 1323 | return 0; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1324 | } |
| 1325 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1326 | int |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1327 | PyMapping_HasKey(o, key) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1328 | PyObject *o; |
| 1329 | PyObject *key; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1330 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1331 | PyObject *v; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1332 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1333 | v = PyObject_GetItem(o, key); |
| 1334 | if (v) { |
| 1335 | Py_DECREF(v); |
| 1336 | return 1; |
| 1337 | } |
| 1338 | PyErr_Clear(); |
| 1339 | return 0; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1340 | } |
| 1341 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1342 | /* Operations on callable objects */ |
| 1343 | |
| 1344 | /* XXX PyCallable_Check() is in object.c */ |
| 1345 | |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1346 | PyObject * |
Guido van Rossum | 8ba873b | 1995-09-18 21:17:59 +0000 | [diff] [blame] | 1347 | PyObject_CallObject(o, a) |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1348 | PyObject *o, *a; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1349 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1350 | PyObject *r; |
| 1351 | PyObject *args = a; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1352 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1353 | if (args == NULL) { |
| 1354 | args = PyTuple_New(0); |
| 1355 | if (args == NULL) |
| 1356 | return NULL; |
| 1357 | } |
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 | r = PyEval_CallObject(o, args); |
| 1360 | |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 1361 | if (args != a) { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1362 | Py_DECREF(args); |
Guido van Rossum | fa0b6ab | 1998-05-22 15:23:36 +0000 | [diff] [blame] | 1363 | } |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1364 | |
| 1365 | return r; |
| 1366 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1367 | |
| 1368 | PyObject * |
| 1369 | #ifdef HAVE_STDARG_PROTOTYPES |
| 1370 | /* VARARGS 2 */ |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1371 | PyObject_CallFunction(PyObject *callable, char *format, ...) |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1372 | #else |
| 1373 | /* VARARGS */ |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1374 | PyObject_CallFunction(va_alist) va_dcl |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1375 | #endif |
| 1376 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1377 | va_list va; |
| 1378 | PyObject *args, *retval; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1379 | #ifdef HAVE_STDARG_PROTOTYPES |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1380 | va_start(va, format); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1381 | #else |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1382 | PyObject *callable; |
| 1383 | char *format; |
| 1384 | va_start(va); |
| 1385 | callable = va_arg(va, PyObject *); |
| 1386 | format = va_arg(va, char *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1387 | #endif |
| 1388 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1389 | if (callable == NULL) { |
| 1390 | va_end(va); |
| 1391 | return null_error(); |
| 1392 | } |
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 | if (format) |
| 1395 | args = Py_VaBuildValue(format, va); |
| 1396 | else |
| 1397 | args = PyTuple_New(0); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1398 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1399 | va_end(va); |
| 1400 | |
| 1401 | if (args == NULL) |
| 1402 | return NULL; |
| 1403 | |
| 1404 | if (!PyTuple_Check(args)) { |
| 1405 | PyObject *a; |
| 1406 | |
| 1407 | a = PyTuple_New(1); |
| 1408 | if (a == NULL) |
| 1409 | return NULL; |
| 1410 | if (PyTuple_SetItem(a, 0, args) < 0) |
| 1411 | return NULL; |
| 1412 | args = a; |
| 1413 | } |
| 1414 | retval = PyObject_CallObject(callable, args); |
| 1415 | |
| 1416 | Py_DECREF(args); |
| 1417 | |
| 1418 | return retval; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1419 | } |
| 1420 | |
| 1421 | PyObject * |
| 1422 | #ifdef HAVE_STDARG_PROTOTYPES |
| 1423 | /* VARARGS 2 */ |
| 1424 | PyObject_CallMethod(PyObject *o, char *name, char *format, ...) |
| 1425 | #else |
| 1426 | /* VARARGS */ |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1427 | PyObject_CallMethod(va_alist) va_dcl |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1428 | #endif |
| 1429 | { |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1430 | va_list va; |
| 1431 | PyObject *args, *func = 0, *retval; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1432 | #ifdef HAVE_STDARG_PROTOTYPES |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1433 | va_start(va, format); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1434 | #else |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1435 | PyObject *o; |
| 1436 | char *name; |
| 1437 | char *format; |
| 1438 | va_start(va); |
| 1439 | o = va_arg(va, PyObject *); |
| 1440 | name = va_arg(va, char *); |
| 1441 | format = va_arg(va, char *); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1442 | #endif |
| 1443 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1444 | if (o == NULL || name == NULL) { |
| 1445 | va_end(va); |
| 1446 | return null_error(); |
| 1447 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1448 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1449 | func = PyObject_GetAttrString(o, name); |
| 1450 | if (func == NULL) { |
| 1451 | va_end(va); |
| 1452 | PyErr_SetString(PyExc_AttributeError, name); |
| 1453 | return 0; |
| 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 (!PyCallable_Check(func)) { |
| 1457 | va_end(va); |
| 1458 | return type_error("call of non-callable attribute"); |
| 1459 | } |
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 | if (format && *format) |
| 1462 | args = Py_VaBuildValue(format, va); |
| 1463 | else |
| 1464 | args = PyTuple_New(0); |
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 | va_end(va); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1467 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1468 | if (!args) |
| 1469 | return NULL; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1470 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1471 | if (!PyTuple_Check(args)) { |
| 1472 | PyObject *a; |
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 | a = PyTuple_New(1); |
| 1475 | if (a == NULL) |
| 1476 | return NULL; |
| 1477 | if (PyTuple_SetItem(a, 0, args) < 0) |
| 1478 | return NULL; |
| 1479 | args = a; |
| 1480 | } |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1481 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1482 | retval = PyObject_CallObject(func, args); |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1483 | |
Guido van Rossum | cea1c8c | 1998-05-22 00:47:05 +0000 | [diff] [blame] | 1484 | Py_DECREF(args); |
| 1485 | Py_DECREF(func); |
| 1486 | |
| 1487 | return retval; |
Guido van Rossum | e15dee5 | 1995-07-18 14:12:02 +0000 | [diff] [blame] | 1488 | } |