Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 1 | /*********************************************************** |
Guido van Rossum | 6d023c9 | 1995-01-04 19:12:13 +0000 | [diff] [blame] | 2 | Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, |
| 3 | The Netherlands. |
Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 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 | f70e43a | 1991-02-19 12:39:46 +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 | f70e43a | 1991-02-19 12:39:46 +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 | f70e43a | 1991-02-19 12:39:46 +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 | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 29 | |
| 30 | ******************************************************************/ |
| 31 | |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 32 | /* Module support implementation */ |
| 33 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 34 | #include "Python.h" |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 35 | |
Guido van Rossum | 1d5735e | 1994-08-30 08:27:36 +0000 | [diff] [blame] | 36 | #ifdef MPW /* MPW pushes 'extended' for float and double types with varargs */ |
| 37 | typedef extended va_double; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 38 | #else |
Guido van Rossum | 1d5735e | 1994-08-30 08:27:36 +0000 | [diff] [blame] | 39 | typedef double va_double; |
| 40 | #endif |
| 41 | |
Guido van Rossum | 2e58ff3 | 1997-11-19 18:53:33 +0000 | [diff] [blame] | 42 | /* Package context -- the full module name for package imports */ |
| 43 | char *_Py_PackageContext = NULL; |
| 44 | |
Guido van Rossum | 40b33c6 | 1997-08-02 03:07:46 +0000 | [diff] [blame] | 45 | /* Py_InitModule4() parameters: |
Guido van Rossum | 970a0a2 | 1995-01-09 17:47:20 +0000 | [diff] [blame] | 46 | - name is the module name |
| 47 | - methods is the list of top-level functions |
| 48 | - doc is the documentation string |
| 49 | - passthrough is passed as self to functions defined in the module |
| 50 | - api_version is the value of PYTHON_API_VERSION at the time the |
| 51 | module was compiled |
Guido van Rossum | 40b33c6 | 1997-08-02 03:07:46 +0000 | [diff] [blame] | 52 | |
| 53 | Return value is a borrowed reference to the module object; or NULL |
| 54 | if an error occurred (in Python 1.4 and before, errors were fatal). |
| 55 | Errors may still leak memory. |
Guido van Rossum | 50620fa | 1995-01-07 12:43:18 +0000 | [diff] [blame] | 56 | */ |
Guido van Rossum | 1d5735e | 1994-08-30 08:27:36 +0000 | [diff] [blame] | 57 | |
Guido van Rossum | 970a0a2 | 1995-01-09 17:47:20 +0000 | [diff] [blame] | 58 | static char api_version_warning[] = |
| 59 | "WARNING: Python C API version mismatch for module %s:\n\ |
Sjoerd Mullender | 996e6dc | 1996-01-23 16:07:29 +0000 | [diff] [blame] | 60 | This Python has API version %d, module %s has version %d.\n"; |
Guido van Rossum | 970a0a2 | 1995-01-09 17:47:20 +0000 | [diff] [blame] | 61 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 62 | PyObject * |
| 63 | Py_InitModule4(name, methods, doc, passthrough, module_api_version) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 64 | char *name; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 65 | PyMethodDef *methods; |
Guido van Rossum | 50620fa | 1995-01-07 12:43:18 +0000 | [diff] [blame] | 66 | char *doc; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 67 | PyObject *passthrough; |
Guido van Rossum | 970a0a2 | 1995-01-09 17:47:20 +0000 | [diff] [blame] | 68 | int module_api_version; |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 69 | { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 70 | PyObject *m, *d, *v; |
| 71 | PyMethodDef *ml; |
Guido van Rossum | 970a0a2 | 1995-01-09 17:47:20 +0000 | [diff] [blame] | 72 | if (module_api_version != PYTHON_API_VERSION) |
| 73 | fprintf(stderr, api_version_warning, |
| 74 | name, PYTHON_API_VERSION, name, module_api_version); |
Guido van Rossum | 2e58ff3 | 1997-11-19 18:53:33 +0000 | [diff] [blame] | 75 | if (_Py_PackageContext != NULL) { |
| 76 | char *p = strrchr(_Py_PackageContext, '.'); |
| 77 | if (p != NULL && strcmp(name, p+1) == 0) { |
| 78 | name = _Py_PackageContext; |
| 79 | _Py_PackageContext = NULL; |
| 80 | } |
| 81 | } |
Guido van Rossum | 40b33c6 | 1997-08-02 03:07:46 +0000 | [diff] [blame] | 82 | if ((m = PyImport_AddModule(name)) == NULL) |
| 83 | return NULL; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 84 | d = PyModule_GetDict(m); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 85 | for (ml = methods; ml->ml_name != NULL; ml++) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 86 | v = PyCFunction_New(ml, passthrough); |
Guido van Rossum | 40b33c6 | 1997-08-02 03:07:46 +0000 | [diff] [blame] | 87 | if (v == NULL) |
| 88 | return NULL; |
| 89 | if (PyDict_SetItemString(d, ml->ml_name, v) != 0) |
| 90 | return NULL; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 91 | Py_DECREF(v); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 92 | } |
Guido van Rossum | 50620fa | 1995-01-07 12:43:18 +0000 | [diff] [blame] | 93 | if (doc != NULL) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 94 | v = PyString_FromString(doc); |
| 95 | if (v == NULL || PyDict_SetItemString(d, "__doc__", v) != 0) |
Guido van Rossum | 40b33c6 | 1997-08-02 03:07:46 +0000 | [diff] [blame] | 96 | return NULL; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 97 | Py_DECREF(v); |
Guido van Rossum | 50620fa | 1995-01-07 12:43:18 +0000 | [diff] [blame] | 98 | } |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 99 | return m; |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | |
Guido van Rossum | bf80e54 | 1993-02-08 15:49:17 +0000 | [diff] [blame] | 103 | /* Helper for mkvalue() to scan the length of a format */ |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 104 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 105 | static int countformat Py_PROTO((char *format, int endchar)); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 106 | static int countformat(format, endchar) |
| 107 | char *format; |
| 108 | int endchar; |
| 109 | { |
| 110 | int count = 0; |
| 111 | int level = 0; |
| 112 | while (level > 0 || *format != endchar) { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 113 | switch (*format) { |
| 114 | case '\0': |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 115 | /* Premature end */ |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 116 | PyErr_SetString(PyExc_SystemError, |
| 117 | "unmatched paren in format"); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 118 | return -1; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 119 | case '(': |
| 120 | case '[': |
| 121 | case '{': |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 122 | if (level == 0) |
| 123 | count++; |
| 124 | level++; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 125 | break; |
| 126 | case ')': |
| 127 | case ']': |
| 128 | case '}': |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 129 | level--; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 130 | break; |
| 131 | case '#': |
Guido van Rossum | d1b9393 | 1995-01-20 16:56:02 +0000 | [diff] [blame] | 132 | case '&': |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 133 | case ',': |
| 134 | case ':': |
| 135 | case ' ': |
| 136 | case '\t': |
| 137 | break; |
| 138 | default: |
| 139 | if (level == 0) |
| 140 | count++; |
| 141 | } |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 142 | format++; |
| 143 | } |
| 144 | return count; |
| 145 | } |
| 146 | |
| 147 | |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 148 | /* Generic function to create a value -- the inverse of getargs() */ |
| 149 | /* After an original idea and first implementation by Steven Miale */ |
| 150 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 151 | static PyObject *do_mktuple Py_PROTO((char**, va_list *, int, int)); |
| 152 | static PyObject *do_mklist Py_PROTO((char**, va_list *, int, int)); |
| 153 | static PyObject *do_mkdict Py_PROTO((char**, va_list *, int, int)); |
| 154 | static PyObject *do_mkvalue Py_PROTO((char**, va_list *)); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 155 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 156 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 157 | static PyObject * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 158 | do_mkdict(p_format, p_va, endchar, n) |
| 159 | char **p_format; |
| 160 | va_list *p_va; |
| 161 | int endchar; |
| 162 | int n; |
| 163 | { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 164 | PyObject *d; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 165 | int i; |
| 166 | if (n < 0) |
| 167 | return NULL; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 168 | if ((d = PyDict_New()) == NULL) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 169 | return NULL; |
| 170 | for (i = 0; i < n; i+= 2) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 171 | PyObject *k, *v; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 172 | k = do_mkvalue(p_format, p_va); |
| 173 | if (k == NULL) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 174 | Py_DECREF(d); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 175 | return NULL; |
| 176 | } |
| 177 | v = do_mkvalue(p_format, p_va); |
| 178 | if (v == NULL) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 179 | Py_DECREF(k); |
| 180 | Py_DECREF(d); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 181 | return NULL; |
| 182 | } |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 183 | if (PyDict_SetItem(d, k, v) < 0) { |
| 184 | Py_DECREF(k); |
| 185 | Py_DECREF(v); |
| 186 | Py_DECREF(d); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 187 | return NULL; |
| 188 | } |
| 189 | } |
| 190 | if (d != NULL && **p_format != endchar) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 191 | Py_DECREF(d); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 192 | d = NULL; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 193 | PyErr_SetString(PyExc_SystemError, |
| 194 | "Unmatched paren in format"); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 195 | } |
| 196 | else if (endchar) |
| 197 | ++*p_format; |
| 198 | return d; |
| 199 | } |
| 200 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 201 | static PyObject * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 202 | do_mklist(p_format, p_va, endchar, n) |
| 203 | char **p_format; |
| 204 | va_list *p_va; |
| 205 | int endchar; |
| 206 | int n; |
| 207 | { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 208 | PyObject *v; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 209 | int i; |
| 210 | if (n < 0) |
| 211 | return NULL; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 212 | if ((v = PyList_New(n)) == NULL) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 213 | return NULL; |
| 214 | for (i = 0; i < n; i++) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 215 | PyObject *w = do_mkvalue(p_format, p_va); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 216 | if (w == NULL) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 217 | Py_DECREF(v); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 218 | return NULL; |
| 219 | } |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 220 | PyList_SetItem(v, i, w); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 221 | } |
| 222 | if (v != NULL && **p_format != endchar) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 223 | Py_DECREF(v); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 224 | v = NULL; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 225 | PyErr_SetString(PyExc_SystemError, |
| 226 | "Unmatched paren in format"); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 227 | } |
| 228 | else if (endchar) |
| 229 | ++*p_format; |
| 230 | return v; |
| 231 | } |
| 232 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 233 | static PyObject * |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 234 | do_mktuple(p_format, p_va, endchar, n) |
| 235 | char **p_format; |
| 236 | va_list *p_va; |
| 237 | int endchar; |
| 238 | int n; |
| 239 | { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 240 | PyObject *v; |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 241 | int i; |
| 242 | if (n < 0) |
| 243 | return NULL; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 244 | if ((v = PyTuple_New(n)) == NULL) |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 245 | return NULL; |
| 246 | for (i = 0; i < n; i++) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 247 | PyObject *w = do_mkvalue(p_format, p_va); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 248 | if (w == NULL) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 249 | Py_DECREF(v); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 250 | return NULL; |
| 251 | } |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 252 | PyTuple_SetItem(v, i, w); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 253 | } |
| 254 | if (v != NULL && **p_format != endchar) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 255 | Py_DECREF(v); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 256 | v = NULL; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 257 | PyErr_SetString(PyExc_SystemError, |
| 258 | "Unmatched paren in format"); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 259 | } |
| 260 | else if (endchar) |
| 261 | ++*p_format; |
| 262 | return v; |
| 263 | } |
| 264 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 265 | static PyObject * |
Guido van Rossum | 899dcf3 | 1992-05-15 11:04:59 +0000 | [diff] [blame] | 266 | do_mkvalue(p_format, p_va) |
| 267 | char **p_format; |
| 268 | va_list *p_va; |
| 269 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 270 | for (;;) { |
| 271 | switch (*(*p_format)++) { |
| 272 | case '(': |
| 273 | return do_mktuple(p_format, p_va, ')', |
| 274 | countformat(*p_format, ')')); |
| 275 | |
| 276 | case '[': |
| 277 | return do_mklist(p_format, p_va, ']', |
| 278 | countformat(*p_format, ']')); |
| 279 | |
| 280 | case '{': |
| 281 | return do_mkdict(p_format, p_va, '}', |
| 282 | countformat(*p_format, '}')); |
| 283 | |
| 284 | case 'b': |
| 285 | case 'h': |
| 286 | case 'i': |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 287 | return PyInt_FromLong((long)va_arg(*p_va, int)); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 288 | |
| 289 | case 'l': |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 290 | return PyInt_FromLong((long)va_arg(*p_va, long)); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 291 | |
| 292 | case 'f': |
| 293 | case 'd': |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 294 | return PyFloat_FromDouble( |
| 295 | (double)va_arg(*p_va, va_double)); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 296 | |
| 297 | case 'c': |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 298 | { |
| 299 | char p[1]; |
| 300 | p[0] = va_arg(*p_va, int); |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 301 | return PyString_FromStringAndSize(p, 1); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 302 | } |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 303 | |
| 304 | case 's': |
| 305 | case 'z': |
Guido van Rossum | 3cfe6fa | 1992-04-13 10:48:55 +0000 | [diff] [blame] | 306 | { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 307 | PyObject *v; |
Guido van Rossum | 3cfe6fa | 1992-04-13 10:48:55 +0000 | [diff] [blame] | 308 | char *str = va_arg(*p_va, char *); |
| 309 | int n; |
| 310 | if (**p_format == '#') { |
| 311 | ++*p_format; |
| 312 | n = va_arg(*p_va, int); |
| 313 | } |
| 314 | else |
| 315 | n = -1; |
| 316 | if (str == NULL) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 317 | v = Py_None; |
| 318 | Py_INCREF(v); |
Guido van Rossum | 3cfe6fa | 1992-04-13 10:48:55 +0000 | [diff] [blame] | 319 | } |
| 320 | else { |
| 321 | if (n < 0) |
| 322 | n = strlen(str); |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 323 | v = PyString_FromStringAndSize(str, n); |
Guido van Rossum | 3cfe6fa | 1992-04-13 10:48:55 +0000 | [diff] [blame] | 324 | } |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 325 | return v; |
Guido van Rossum | 3cfe6fa | 1992-04-13 10:48:55 +0000 | [diff] [blame] | 326 | } |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 327 | |
| 328 | case 'S': |
| 329 | case 'O': |
Guido van Rossum | d1b9393 | 1995-01-20 16:56:02 +0000 | [diff] [blame] | 330 | if (**p_format == '&') { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 331 | typedef PyObject *(*converter) Py_PROTO((void *)); |
Guido van Rossum | d1b9393 | 1995-01-20 16:56:02 +0000 | [diff] [blame] | 332 | converter func = va_arg(*p_va, converter); |
| 333 | void *arg = va_arg(*p_va, void *); |
| 334 | ++*p_format; |
| 335 | return (*func)(arg); |
| 336 | } |
| 337 | else { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 338 | PyObject *v; |
| 339 | v = va_arg(*p_va, PyObject *); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 340 | if (v != NULL) |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 341 | Py_INCREF(v); |
| 342 | else if (!PyErr_Occurred()) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 343 | /* If a NULL was passed |
| 344 | * because a call that should |
| 345 | * have constructed a value |
| 346 | * failed, that's OK, and we |
| 347 | * pass the error on; but if |
| 348 | * no error occurred it's not |
| 349 | * clear that the caller knew |
| 350 | * what she was doing. */ |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 351 | PyErr_SetString(PyExc_SystemError, |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 352 | "NULL object passed to mkvalue"); |
| 353 | return v; |
Guido van Rossum | 3cfe6fa | 1992-04-13 10:48:55 +0000 | [diff] [blame] | 354 | } |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 355 | |
| 356 | case ':': |
| 357 | case ',': |
| 358 | case ' ': |
| 359 | case '\t': |
| 360 | break; |
| 361 | |
| 362 | default: |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 363 | PyErr_SetString(PyExc_SystemError, |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 364 | "bad format char passed to mkvalue"); |
| 365 | return NULL; |
| 366 | |
| 367 | } |
Guido van Rossum | 3cfe6fa | 1992-04-13 10:48:55 +0000 | [diff] [blame] | 368 | } |
Guido van Rossum | 3cfe6fa | 1992-04-13 10:48:55 +0000 | [diff] [blame] | 369 | } |
| 370 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 371 | |
Guido van Rossum | 1d5735e | 1994-08-30 08:27:36 +0000 | [diff] [blame] | 372 | #ifdef HAVE_STDARG_PROTOTYPES |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 373 | /* VARARGS 2 */ |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 374 | PyObject *Py_BuildValue(char *format, ...) |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 375 | #else |
| 376 | /* VARARGS */ |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 377 | PyObject *Py_BuildValue(va_alist) va_dcl |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 378 | #endif |
Guido van Rossum | 3cfe6fa | 1992-04-13 10:48:55 +0000 | [diff] [blame] | 379 | { |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 380 | va_list va; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 381 | PyObject* retval; |
Guido van Rossum | 1d5735e | 1994-08-30 08:27:36 +0000 | [diff] [blame] | 382 | #ifdef HAVE_STDARG_PROTOTYPES |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 383 | va_start(va, format); |
| 384 | #else |
| 385 | char *format; |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 386 | va_start(va); |
| 387 | format = va_arg(va, char *); |
| 388 | #endif |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 389 | retval = Py_VaBuildValue(format, va); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 390 | va_end(va); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 391 | return retval; |
Guido van Rossum | 3cfe6fa | 1992-04-13 10:48:55 +0000 | [diff] [blame] | 392 | } |
Guido van Rossum | e537240 | 1993-03-16 12:15:04 +0000 | [diff] [blame] | 393 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 394 | PyObject * |
| 395 | Py_VaBuildValue(format, va) |
Guido van Rossum | e537240 | 1993-03-16 12:15:04 +0000 | [diff] [blame] | 396 | char *format; |
| 397 | va_list va; |
| 398 | { |
| 399 | char *f = format; |
| 400 | int n = countformat(f, '\0'); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 401 | va_list lva; |
| 402 | |
| 403 | #ifdef VA_LIST_IS_ARRAY |
| 404 | memcpy(lva, va, sizeof(va_list)); |
| 405 | #else |
| 406 | lva = va; |
| 407 | #endif |
| 408 | |
Guido van Rossum | e537240 | 1993-03-16 12:15:04 +0000 | [diff] [blame] | 409 | if (n < 0) |
| 410 | return NULL; |
| 411 | if (n == 0) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 412 | Py_INCREF(Py_None); |
| 413 | return Py_None; |
Guido van Rossum | e537240 | 1993-03-16 12:15:04 +0000 | [diff] [blame] | 414 | } |
| 415 | if (n == 1) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 416 | return do_mkvalue(&f, &lva); |
| 417 | return do_mktuple(&f, &lva, '\0', n); |
| 418 | } |
| 419 | |
| 420 | |
| 421 | #ifdef HAVE_STDARG_PROTOTYPES |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 422 | PyObject * |
| 423 | PyEval_CallFunction(PyObject *obj, char *format, ...) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 424 | #else |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 425 | PyObject * |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 426 | PyEval_CallFunction(obj, format, va_alist) |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 427 | PyObject *obj; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 428 | char *format; |
| 429 | va_dcl |
| 430 | #endif |
| 431 | { |
| 432 | va_list vargs; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 433 | PyObject *args; |
| 434 | PyObject *res; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 435 | |
| 436 | #ifdef HAVE_STDARG_PROTOTYPES |
| 437 | va_start(vargs, format); |
| 438 | #else |
| 439 | va_start(vargs); |
| 440 | #endif |
| 441 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 442 | args = Py_VaBuildValue(format, vargs); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 443 | va_end(vargs); |
| 444 | |
| 445 | if (args == NULL) |
| 446 | return NULL; |
| 447 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 448 | res = PyEval_CallObject(obj, args); |
| 449 | Py_DECREF(args); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 450 | |
| 451 | return res; |
| 452 | } |
| 453 | |
| 454 | |
| 455 | #ifdef HAVE_STDARG_PROTOTYPES |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 456 | PyObject * |
| 457 | PyEval_CallMethod(PyObject *obj, char *methonname, char *format, ...) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 458 | #else |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 459 | PyObject * |
Guido van Rossum | 2ac3bc2 | 1995-01-17 16:31:01 +0000 | [diff] [blame] | 460 | PyEval_CallMethod(obj, methonname, format, va_alist) |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 461 | PyObject *obj; |
Guido van Rossum | 2ac3bc2 | 1995-01-17 16:31:01 +0000 | [diff] [blame] | 462 | char *methonname; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 463 | char *format; |
| 464 | va_dcl |
| 465 | #endif |
| 466 | { |
| 467 | va_list vargs; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 468 | PyObject *meth; |
| 469 | PyObject *args; |
| 470 | PyObject *res; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 471 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 472 | meth = PyObject_GetAttrString(obj, methonname); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 473 | if (meth == NULL) |
| 474 | return NULL; |
| 475 | |
| 476 | #ifdef HAVE_STDARG_PROTOTYPES |
| 477 | va_start(vargs, format); |
| 478 | #else |
| 479 | va_start(vargs); |
| 480 | #endif |
| 481 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 482 | args = Py_VaBuildValue(format, vargs); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 483 | va_end(vargs); |
| 484 | |
| 485 | if (args == NULL) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 486 | Py_DECREF(meth); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 487 | return NULL; |
| 488 | } |
| 489 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 490 | res = PyEval_CallObject(meth, args); |
| 491 | Py_DECREF(meth); |
| 492 | Py_DECREF(args); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 493 | |
| 494 | return res; |
Guido van Rossum | e537240 | 1993-03-16 12:15:04 +0000 | [diff] [blame] | 495 | } |