Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 1 | |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 2 | /* Module support implementation */ |
| 3 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 4 | #include "Python.h" |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 5 | |
Guido van Rossum | 1d5735e | 1994-08-30 08:27:36 +0000 | [diff] [blame] | 6 | #ifdef MPW /* MPW pushes 'extended' for float and double types with varargs */ |
| 7 | typedef extended va_double; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 8 | #else |
Guido van Rossum | 1d5735e | 1994-08-30 08:27:36 +0000 | [diff] [blame] | 9 | typedef double va_double; |
| 10 | #endif |
| 11 | |
Guido van Rossum | 2e58ff3 | 1997-11-19 18:53:33 +0000 | [diff] [blame] | 12 | /* Package context -- the full module name for package imports */ |
| 13 | char *_Py_PackageContext = NULL; |
| 14 | |
Guido van Rossum | 40b33c6 | 1997-08-02 03:07:46 +0000 | [diff] [blame] | 15 | /* Py_InitModule4() parameters: |
Guido van Rossum | 970a0a2 | 1995-01-09 17:47:20 +0000 | [diff] [blame] | 16 | - name is the module name |
| 17 | - methods is the list of top-level functions |
| 18 | - doc is the documentation string |
| 19 | - passthrough is passed as self to functions defined in the module |
| 20 | - api_version is the value of PYTHON_API_VERSION at the time the |
| 21 | module was compiled |
Guido van Rossum | 40b33c6 | 1997-08-02 03:07:46 +0000 | [diff] [blame] | 22 | |
| 23 | Return value is a borrowed reference to the module object; or NULL |
| 24 | if an error occurred (in Python 1.4 and before, errors were fatal). |
| 25 | Errors may still leak memory. |
Guido van Rossum | 50620fa | 1995-01-07 12:43:18 +0000 | [diff] [blame] | 26 | */ |
Guido van Rossum | 1d5735e | 1994-08-30 08:27:36 +0000 | [diff] [blame] | 27 | |
Guido van Rossum | 970a0a2 | 1995-01-09 17:47:20 +0000 | [diff] [blame] | 28 | static char api_version_warning[] = |
Marc-André Lemburg | e5006eb | 2001-07-31 13:24:44 +0000 | [diff] [blame] | 29 | "Python C API version mismatch for module %.100s:\ |
| 30 | This Python has API version %d, module %.100s has version %d."; |
Guido van Rossum | 970a0a2 | 1995-01-09 17:47:20 +0000 | [diff] [blame] | 31 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 32 | PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 33 | Py_InitModule4(char *name, PyMethodDef *methods, char *doc, |
| 34 | PyObject *passthrough, int module_api_version) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 35 | { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 36 | PyObject *m, *d, *v; |
| 37 | PyMethodDef *ml; |
Guido van Rossum | 413407f | 2000-08-04 14:00:14 +0000 | [diff] [blame] | 38 | if (!Py_IsInitialized()) |
| 39 | Py_FatalError("Interpreter not initialized (version mismatch?)"); |
Marc-André Lemburg | e5006eb | 2001-07-31 13:24:44 +0000 | [diff] [blame] | 40 | if (module_api_version != PYTHON_API_VERSION) { |
| 41 | char message[512]; |
| 42 | PyOS_snprintf(message, sizeof(message), |
| 43 | api_version_warning, name, |
| 44 | PYTHON_API_VERSION, name, |
| 45 | module_api_version); |
| 46 | if (PyErr_Warn(PyExc_RuntimeWarning, message)) |
| 47 | return NULL; |
| 48 | } |
Guido van Rossum | 2e58ff3 | 1997-11-19 18:53:33 +0000 | [diff] [blame] | 49 | if (_Py_PackageContext != NULL) { |
| 50 | char *p = strrchr(_Py_PackageContext, '.'); |
| 51 | if (p != NULL && strcmp(name, p+1) == 0) { |
| 52 | name = _Py_PackageContext; |
| 53 | _Py_PackageContext = NULL; |
| 54 | } |
| 55 | } |
Guido van Rossum | 40b33c6 | 1997-08-02 03:07:46 +0000 | [diff] [blame] | 56 | if ((m = PyImport_AddModule(name)) == NULL) |
| 57 | return NULL; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 58 | d = PyModule_GetDict(m); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 59 | for (ml = methods; ml->ml_name != NULL; ml++) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 60 | v = PyCFunction_New(ml, passthrough); |
Guido van Rossum | 40b33c6 | 1997-08-02 03:07:46 +0000 | [diff] [blame] | 61 | if (v == NULL) |
| 62 | return NULL; |
Fred Drake | 289898c | 2001-08-04 03:11:25 +0000 | [diff] [blame] | 63 | if (PyDict_SetItemString(d, ml->ml_name, v) != 0) { |
| 64 | Py_DECREF(v); |
Guido van Rossum | 40b33c6 | 1997-08-02 03:07:46 +0000 | [diff] [blame] | 65 | return NULL; |
Fred Drake | 289898c | 2001-08-04 03:11:25 +0000 | [diff] [blame] | 66 | } |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 67 | Py_DECREF(v); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 68 | } |
Guido van Rossum | 50620fa | 1995-01-07 12:43:18 +0000 | [diff] [blame] | 69 | if (doc != NULL) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 70 | v = PyString_FromString(doc); |
Fred Drake | 289898c | 2001-08-04 03:11:25 +0000 | [diff] [blame] | 71 | if (v == NULL || PyDict_SetItemString(d, "__doc__", v) != 0) { |
| 72 | Py_DECREF(v); |
Guido van Rossum | 40b33c6 | 1997-08-02 03:07:46 +0000 | [diff] [blame] | 73 | return NULL; |
Fred Drake | 289898c | 2001-08-04 03:11:25 +0000 | [diff] [blame] | 74 | } |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 75 | Py_DECREF(v); |
Guido van Rossum | 50620fa | 1995-01-07 12:43:18 +0000 | [diff] [blame] | 76 | } |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 77 | return m; |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 78 | } |
| 79 | |
| 80 | |
Guido van Rossum | bf80e54 | 1993-02-08 15:49:17 +0000 | [diff] [blame] | 81 | /* Helper for mkvalue() to scan the length of a format */ |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 82 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 83 | static int countformat(char *format, int endchar) |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 84 | { |
| 85 | int count = 0; |
| 86 | int level = 0; |
| 87 | while (level > 0 || *format != endchar) { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 88 | switch (*format) { |
| 89 | case '\0': |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 90 | /* Premature end */ |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 91 | PyErr_SetString(PyExc_SystemError, |
| 92 | "unmatched paren in format"); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 93 | return -1; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 94 | case '(': |
| 95 | case '[': |
| 96 | case '{': |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 97 | if (level == 0) |
| 98 | count++; |
| 99 | level++; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 100 | break; |
| 101 | case ')': |
| 102 | case ']': |
| 103 | case '}': |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 104 | level--; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 105 | break; |
| 106 | case '#': |
Guido van Rossum | d1b9393 | 1995-01-20 16:56:02 +0000 | [diff] [blame] | 107 | case '&': |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 108 | case ',': |
| 109 | case ':': |
| 110 | case ' ': |
| 111 | case '\t': |
| 112 | break; |
| 113 | default: |
| 114 | if (level == 0) |
| 115 | count++; |
| 116 | } |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 117 | format++; |
| 118 | } |
| 119 | return count; |
| 120 | } |
| 121 | |
| 122 | |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 123 | /* Generic function to create a value -- the inverse of getargs() */ |
| 124 | /* After an original idea and first implementation by Steven Miale */ |
| 125 | |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 126 | static PyObject *do_mktuple(char**, va_list *, int, int); |
| 127 | static PyObject *do_mklist(char**, va_list *, int, int); |
| 128 | static PyObject *do_mkdict(char**, va_list *, int, int); |
| 129 | static PyObject *do_mkvalue(char**, va_list *); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 130 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 131 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 132 | static PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 133 | do_mkdict(char **p_format, va_list *p_va, int endchar, int n) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 134 | { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 135 | PyObject *d; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 136 | int i; |
| 137 | if (n < 0) |
| 138 | return NULL; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 139 | if ((d = PyDict_New()) == NULL) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 140 | return NULL; |
| 141 | for (i = 0; i < n; i+= 2) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 142 | PyObject *k, *v; |
Guido van Rossum | db847bd | 1997-11-20 20:35:45 +0000 | [diff] [blame] | 143 | int err; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 144 | k = do_mkvalue(p_format, p_va); |
| 145 | if (k == NULL) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 146 | Py_DECREF(d); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 147 | return NULL; |
| 148 | } |
| 149 | v = do_mkvalue(p_format, p_va); |
| 150 | if (v == NULL) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 151 | Py_DECREF(k); |
| 152 | Py_DECREF(d); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 153 | return NULL; |
| 154 | } |
Guido van Rossum | db847bd | 1997-11-20 20:35:45 +0000 | [diff] [blame] | 155 | err = PyDict_SetItem(d, k, v); |
| 156 | Py_DECREF(k); |
| 157 | Py_DECREF(v); |
| 158 | if (err < 0) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 159 | Py_DECREF(d); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 160 | return NULL; |
| 161 | } |
| 162 | } |
| 163 | if (d != NULL && **p_format != endchar) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 164 | Py_DECREF(d); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 165 | d = NULL; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 166 | PyErr_SetString(PyExc_SystemError, |
| 167 | "Unmatched paren in format"); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 168 | } |
| 169 | else if (endchar) |
| 170 | ++*p_format; |
| 171 | return d; |
| 172 | } |
| 173 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 174 | static PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 175 | do_mklist(char **p_format, va_list *p_va, int endchar, int n) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 176 | { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 177 | PyObject *v; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 178 | int i; |
| 179 | if (n < 0) |
| 180 | return NULL; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 181 | if ((v = PyList_New(n)) == NULL) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 182 | return NULL; |
| 183 | for (i = 0; i < n; i++) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 184 | PyObject *w = do_mkvalue(p_format, p_va); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 185 | if (w == NULL) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 186 | Py_DECREF(v); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 187 | return NULL; |
| 188 | } |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 189 | PyList_SetItem(v, i, w); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 190 | } |
| 191 | if (v != NULL && **p_format != endchar) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 192 | Py_DECREF(v); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 193 | v = NULL; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 194 | PyErr_SetString(PyExc_SystemError, |
| 195 | "Unmatched paren in format"); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 196 | } |
| 197 | else if (endchar) |
| 198 | ++*p_format; |
| 199 | return v; |
| 200 | } |
| 201 | |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 202 | #ifdef Py_USING_UNICODE |
Fred Drake | 25d3447 | 2000-04-28 14:42:37 +0000 | [diff] [blame] | 203 | static int |
| 204 | _ustrlen(Py_UNICODE *u) |
| 205 | { |
| 206 | int i = 0; |
| 207 | Py_UNICODE *v = u; |
| 208 | while (*v != 0) { i++; v++; } |
| 209 | return i; |
| 210 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 211 | #endif |
Fred Drake | 25d3447 | 2000-04-28 14:42:37 +0000 | [diff] [blame] | 212 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 213 | static PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 214 | do_mktuple(char **p_format, va_list *p_va, int endchar, int n) |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 215 | { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 216 | PyObject *v; |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 217 | int i; |
| 218 | if (n < 0) |
| 219 | return NULL; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 220 | if ((v = PyTuple_New(n)) == NULL) |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 221 | return NULL; |
| 222 | for (i = 0; i < n; i++) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 223 | PyObject *w = do_mkvalue(p_format, p_va); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 224 | if (w == NULL) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 225 | Py_DECREF(v); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 226 | return NULL; |
| 227 | } |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 228 | PyTuple_SetItem(v, i, w); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 229 | } |
| 230 | if (v != NULL && **p_format != endchar) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 231 | Py_DECREF(v); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 232 | v = NULL; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 233 | PyErr_SetString(PyExc_SystemError, |
| 234 | "Unmatched paren in format"); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 235 | } |
| 236 | else if (endchar) |
| 237 | ++*p_format; |
| 238 | return v; |
| 239 | } |
| 240 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 241 | static PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 242 | do_mkvalue(char **p_format, va_list *p_va) |
Guido van Rossum | 899dcf3 | 1992-05-15 11:04:59 +0000 | [diff] [blame] | 243 | { |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 244 | for (;;) { |
| 245 | switch (*(*p_format)++) { |
| 246 | case '(': |
| 247 | return do_mktuple(p_format, p_va, ')', |
| 248 | countformat(*p_format, ')')); |
| 249 | |
| 250 | case '[': |
| 251 | return do_mklist(p_format, p_va, ']', |
| 252 | countformat(*p_format, ']')); |
| 253 | |
| 254 | case '{': |
| 255 | return do_mkdict(p_format, p_va, '}', |
| 256 | countformat(*p_format, '}')); |
| 257 | |
| 258 | case 'b': |
Jack Jansen | b763b9d | 2000-09-15 12:51:01 +0000 | [diff] [blame] | 259 | case 'B': |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 260 | case 'h': |
| 261 | case 'i': |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 262 | return PyInt_FromLong((long)va_arg(*p_va, int)); |
Jack Jansen | d50338f | 2000-07-06 12:22:00 +0000 | [diff] [blame] | 263 | |
| 264 | case 'H': |
| 265 | return PyInt_FromLong((long)va_arg(*p_va, unsigned int)); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 266 | |
| 267 | case 'l': |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 268 | return PyInt_FromLong((long)va_arg(*p_va, long)); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 269 | |
Guido van Rossum | 3dbba6e | 1999-01-25 21:48:56 +0000 | [diff] [blame] | 270 | #ifdef HAVE_LONG_LONG |
Guido van Rossum | 1a8791e | 1998-08-04 22:46:29 +0000 | [diff] [blame] | 271 | case 'L': |
Guido van Rossum | 3293b07 | 1998-08-25 16:07:15 +0000 | [diff] [blame] | 272 | return PyLong_FromLongLong((LONG_LONG)va_arg(*p_va, LONG_LONG)); |
Guido van Rossum | 1a8791e | 1998-08-04 22:46:29 +0000 | [diff] [blame] | 273 | #endif |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 274 | #ifdef Py_USING_UNICODE |
Fred Drake | 25d3447 | 2000-04-28 14:42:37 +0000 | [diff] [blame] | 275 | case 'u': |
| 276 | { |
| 277 | PyObject *v; |
| 278 | Py_UNICODE *u = va_arg(*p_va, Py_UNICODE *); |
| 279 | int n; |
| 280 | if (**p_format == '#') { |
| 281 | ++*p_format; |
| 282 | n = va_arg(*p_va, int); |
| 283 | } |
| 284 | else |
| 285 | n = -1; |
| 286 | if (u == NULL) { |
| 287 | v = Py_None; |
| 288 | Py_INCREF(v); |
| 289 | } |
| 290 | else { |
| 291 | if (n < 0) |
| 292 | n = _ustrlen(u); |
| 293 | v = PyUnicode_FromUnicode(u, n); |
| 294 | } |
| 295 | return v; |
| 296 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 297 | #endif |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 298 | case 'f': |
| 299 | case 'd': |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 300 | return PyFloat_FromDouble( |
| 301 | (double)va_arg(*p_va, va_double)); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 302 | |
Fred Drake | aec7924 | 2001-03-12 21:03:26 +0000 | [diff] [blame] | 303 | #ifndef WITHOUT_COMPLEX |
| 304 | case 'D': |
| 305 | return PyComplex_FromCComplex( |
| 306 | *((Py_complex *)va_arg(*p_va, Py_complex *))); |
| 307 | #endif /* WITHOUT_COMPLEX */ |
| 308 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 309 | case 'c': |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 310 | { |
| 311 | char p[1]; |
| 312 | p[0] = va_arg(*p_va, int); |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 313 | return PyString_FromStringAndSize(p, 1); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 314 | } |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 315 | |
| 316 | case 's': |
| 317 | case 'z': |
Guido van Rossum | 3cfe6fa | 1992-04-13 10:48:55 +0000 | [diff] [blame] | 318 | { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 319 | PyObject *v; |
Guido van Rossum | 3cfe6fa | 1992-04-13 10:48:55 +0000 | [diff] [blame] | 320 | char *str = va_arg(*p_va, char *); |
| 321 | int n; |
| 322 | if (**p_format == '#') { |
| 323 | ++*p_format; |
| 324 | n = va_arg(*p_va, int); |
| 325 | } |
| 326 | else |
| 327 | n = -1; |
| 328 | if (str == NULL) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 329 | v = Py_None; |
| 330 | Py_INCREF(v); |
Guido van Rossum | 3cfe6fa | 1992-04-13 10:48:55 +0000 | [diff] [blame] | 331 | } |
| 332 | else { |
Guido van Rossum | 582acec | 2000-06-28 22:07:35 +0000 | [diff] [blame] | 333 | if (n < 0) { |
| 334 | size_t m = strlen(str); |
| 335 | if (m > INT_MAX) { |
| 336 | PyErr_SetString(PyExc_OverflowError, |
| 337 | "string too long for Python string"); |
| 338 | return NULL; |
| 339 | } |
| 340 | n = (int)m; |
| 341 | } |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 342 | v = PyString_FromStringAndSize(str, n); |
Guido van Rossum | 3cfe6fa | 1992-04-13 10:48:55 +0000 | [diff] [blame] | 343 | } |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 344 | return v; |
Guido van Rossum | 3cfe6fa | 1992-04-13 10:48:55 +0000 | [diff] [blame] | 345 | } |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 346 | |
Guido van Rossum | d341500 | 1998-12-23 05:01:38 +0000 | [diff] [blame] | 347 | case 'N': |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 348 | case 'S': |
| 349 | case 'O': |
Guido van Rossum | d1b9393 | 1995-01-20 16:56:02 +0000 | [diff] [blame] | 350 | if (**p_format == '&') { |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 351 | typedef PyObject *(*converter)(void *); |
Guido van Rossum | d1b9393 | 1995-01-20 16:56:02 +0000 | [diff] [blame] | 352 | converter func = va_arg(*p_va, converter); |
| 353 | void *arg = va_arg(*p_va, void *); |
| 354 | ++*p_format; |
| 355 | return (*func)(arg); |
| 356 | } |
| 357 | else { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 358 | PyObject *v; |
| 359 | v = va_arg(*p_va, PyObject *); |
Guido van Rossum | c38e7d4 | 1998-12-23 19:53:45 +0000 | [diff] [blame] | 360 | if (v != NULL) { |
Guido van Rossum | d341500 | 1998-12-23 05:01:38 +0000 | [diff] [blame] | 361 | if (*(*p_format - 1) != 'N') |
| 362 | Py_INCREF(v); |
Guido van Rossum | c38e7d4 | 1998-12-23 19:53:45 +0000 | [diff] [blame] | 363 | } |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 364 | else if (!PyErr_Occurred()) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 365 | /* If a NULL was passed |
| 366 | * because a call that should |
| 367 | * have constructed a value |
| 368 | * failed, that's OK, and we |
| 369 | * pass the error on; but if |
| 370 | * no error occurred it's not |
| 371 | * clear that the caller knew |
| 372 | * what she was doing. */ |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 373 | PyErr_SetString(PyExc_SystemError, |
Guido van Rossum | 233f4b5 | 1998-07-07 22:32:19 +0000 | [diff] [blame] | 374 | "NULL object passed to Py_BuildValue"); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 375 | return v; |
Guido van Rossum | 3cfe6fa | 1992-04-13 10:48:55 +0000 | [diff] [blame] | 376 | } |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 377 | |
| 378 | case ':': |
| 379 | case ',': |
| 380 | case ' ': |
| 381 | case '\t': |
| 382 | break; |
| 383 | |
| 384 | default: |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 385 | PyErr_SetString(PyExc_SystemError, |
Guido van Rossum | 233f4b5 | 1998-07-07 22:32:19 +0000 | [diff] [blame] | 386 | "bad format char passed to Py_BuildValue"); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 387 | return NULL; |
| 388 | |
| 389 | } |
Guido van Rossum | 3cfe6fa | 1992-04-13 10:48:55 +0000 | [diff] [blame] | 390 | } |
Guido van Rossum | 3cfe6fa | 1992-04-13 10:48:55 +0000 | [diff] [blame] | 391 | } |
| 392 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 393 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 394 | PyObject *Py_BuildValue(char *format, ...) |
Guido van Rossum | 3cfe6fa | 1992-04-13 10:48:55 +0000 | [diff] [blame] | 395 | { |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 396 | va_list va; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 397 | PyObject* retval; |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 398 | va_start(va, format); |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 399 | retval = Py_VaBuildValue(format, va); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 400 | va_end(va); |
Guido van Rossum | fc61adb | 1992-04-13 15:53:41 +0000 | [diff] [blame] | 401 | return retval; |
Guido van Rossum | 3cfe6fa | 1992-04-13 10:48:55 +0000 | [diff] [blame] | 402 | } |
Guido van Rossum | e537240 | 1993-03-16 12:15:04 +0000 | [diff] [blame] | 403 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 404 | PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 405 | Py_VaBuildValue(char *format, va_list va) |
Guido van Rossum | e537240 | 1993-03-16 12:15:04 +0000 | [diff] [blame] | 406 | { |
| 407 | char *f = format; |
| 408 | int n = countformat(f, '\0'); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 409 | va_list lva; |
| 410 | |
| 411 | #ifdef VA_LIST_IS_ARRAY |
| 412 | memcpy(lva, va, sizeof(va_list)); |
| 413 | #else |
| 414 | lva = va; |
| 415 | #endif |
| 416 | |
Guido van Rossum | e537240 | 1993-03-16 12:15:04 +0000 | [diff] [blame] | 417 | if (n < 0) |
| 418 | return NULL; |
| 419 | if (n == 0) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 420 | Py_INCREF(Py_None); |
| 421 | return Py_None; |
Guido van Rossum | e537240 | 1993-03-16 12:15:04 +0000 | [diff] [blame] | 422 | } |
| 423 | if (n == 1) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 424 | return do_mkvalue(&f, &lva); |
| 425 | return do_mktuple(&f, &lva, '\0', n); |
| 426 | } |
| 427 | |
| 428 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 429 | PyObject * |
| 430 | PyEval_CallFunction(PyObject *obj, char *format, ...) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 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 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 436 | va_start(vargs, format); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 437 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 438 | args = Py_VaBuildValue(format, vargs); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 439 | va_end(vargs); |
| 440 | |
| 441 | if (args == NULL) |
| 442 | return NULL; |
| 443 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 444 | res = PyEval_CallObject(obj, args); |
| 445 | Py_DECREF(args); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 446 | |
| 447 | return res; |
| 448 | } |
| 449 | |
| 450 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 451 | PyObject * |
Guido van Rossum | c4099e6 | 1998-08-08 20:51:26 +0000 | [diff] [blame] | 452 | PyEval_CallMethod(PyObject *obj, char *methodname, char *format, ...) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 453 | { |
| 454 | va_list vargs; |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 455 | PyObject *meth; |
| 456 | PyObject *args; |
| 457 | PyObject *res; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 458 | |
Guido van Rossum | c4099e6 | 1998-08-08 20:51:26 +0000 | [diff] [blame] | 459 | meth = PyObject_GetAttrString(obj, methodname); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 460 | if (meth == NULL) |
| 461 | return NULL; |
| 462 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 463 | va_start(vargs, format); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 464 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 465 | args = Py_VaBuildValue(format, vargs); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 466 | va_end(vargs); |
| 467 | |
| 468 | if (args == NULL) { |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 469 | Py_DECREF(meth); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 470 | return NULL; |
| 471 | } |
| 472 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 473 | res = PyEval_CallObject(meth, args); |
| 474 | Py_DECREF(meth); |
| 475 | Py_DECREF(args); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 476 | |
| 477 | return res; |
Guido van Rossum | e537240 | 1993-03-16 12:15:04 +0000 | [diff] [blame] | 478 | } |
Fred Drake | 9e28515 | 2000-09-23 03:24:27 +0000 | [diff] [blame] | 479 | |
| 480 | int |
| 481 | PyModule_AddObject(PyObject *m, char *name, PyObject *o) |
| 482 | { |
| 483 | PyObject *dict; |
| 484 | if (!PyModule_Check(m) || o == NULL) |
| 485 | return -1; |
| 486 | dict = PyModule_GetDict(m); |
| 487 | if (dict == NULL) |
| 488 | return -1; |
| 489 | if (PyDict_SetItemString(dict, name, o)) |
| 490 | return -1; |
| 491 | Py_DECREF(o); |
| 492 | return 0; |
| 493 | } |
| 494 | |
| 495 | int |
| 496 | PyModule_AddIntConstant(PyObject *m, char *name, long value) |
| 497 | { |
| 498 | return PyModule_AddObject(m, name, PyInt_FromLong(value)); |
| 499 | } |
| 500 | |
| 501 | int |
| 502 | PyModule_AddStringConstant(PyObject *m, char *name, char *value) |
| 503 | { |
| 504 | return PyModule_AddObject(m, name, PyString_FromString(value)); |
| 505 | } |