Mercurial > vim
annotate src/if_python.c @ 3518:7bafe52b6245 v7.3.520
updated for version 7.3.520
Problem: Gvim starts up slow on Unbuntu 12.04.
Solution: Move the call to gui_mch_init_check() to after fork(). (Yasuhiro
Matsumoto) Do check $DISPLAY being set.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Fri, 18 May 2012 17:03:18 +0200 |
| parents | e4f3fa1a474e |
| children | c052f3b79b99 |
| rev | line source |
|---|---|
| 7 | 1 /* vi:set ts=8 sts=4 sw=4: |
| 2 * | |
| 3 * VIM - Vi IMproved by Bram Moolenaar | |
| 4 * | |
| 5 * Do ":help uganda" in Vim to read copying and usage conditions. | |
| 6 * Do ":help credits" in Vim to see a list of people who contributed. | |
| 7 * See README.txt for an overview of the Vim source code. | |
| 8 */ | |
| 9 /* | |
| 10 * Python extensions by Paul Moore. | |
| 11 * Changes for Unix by David Leonard. | |
| 12 * | |
| 13 * This consists of four parts: | |
| 14 * 1. Python interpreter main program | |
| 15 * 2. Python output stream: writes output via [e]msg(). | |
| 16 * 3. Implementation of the Vim module for Python | |
| 17 * 4. Utility functions for handling the interface between Vim and Python. | |
| 18 */ | |
| 19 | |
| 20 #include "vim.h" | |
| 21 | |
| 22 #include <limits.h> | |
| 23 | |
| 24 /* Python.h defines _POSIX_THREADS itself (if needed) */ | |
| 25 #ifdef _POSIX_THREADS | |
| 26 # undef _POSIX_THREADS | |
| 27 #endif | |
| 28 | |
|
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29 #if defined(_WIN32) && defined(HAVE_FCNTL_H) |
| 7 | 30 # undef HAVE_FCNTL_H |
| 31 #endif | |
| 32 | |
| 33 #ifdef _DEBUG | |
| 34 # undef _DEBUG | |
| 35 #endif | |
| 36 | |
| 37 #ifdef HAVE_STDARG_H | |
| 38 # undef HAVE_STDARG_H /* Python's config.h defines it as well. */ | |
| 39 #endif | |
| 1991 | 40 #ifdef _POSIX_C_SOURCE |
| 41 # undef _POSIX_C_SOURCE /* pyconfig.h defines it as well. */ | |
| 42 #endif | |
| 43 #ifdef _XOPEN_SOURCE | |
| 44 # undef _XOPEN_SOURCE /* pyconfig.h defines it as well. */ | |
| 45 #endif | |
| 7 | 46 |
| 1594 | 47 #define PY_SSIZE_T_CLEAN |
| 48 | |
| 7 | 49 #include <Python.h> |
| 50 #if defined(MACOS) && !defined(MACOS_X_UNIX) | |
| 51 # include "macglue.h" | |
| 52 # include <CodeFragments.h> | |
| 53 #endif | |
| 54 #undef main /* Defined in python.h - aargh */ | |
| 55 #undef HAVE_FCNTL_H /* Clash with os_win32.h */ | |
| 56 | |
|
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57 static void init_structs(void); |
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58 |
| 2894 | 59 /* No-op conversion functions, use with care! */ |
| 60 #define PyString_AsBytes(obj) (obj) | |
| 61 #define PyString_FreeBytes(obj) | |
| 62 | |
| 7 | 63 #if !defined(FEAT_PYTHON) && defined(PROTO) |
| 64 /* Use this to be able to generate prototypes without python being used. */ | |
| 1607 | 65 # define PyObject Py_ssize_t |
| 66 # define PyThreadState Py_ssize_t | |
| 67 # define PyTypeObject Py_ssize_t | |
| 68 struct PyMethodDef { Py_ssize_t a; }; | |
| 69 # define PySequenceMethods Py_ssize_t | |
| 7 | 70 #endif |
| 71 | |
| 1594 | 72 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02050000 |
| 73 # define PyInt Py_ssize_t | |
| 74 # define PyInquiry lenfunc | |
| 75 # define PyIntArgFunc ssizeargfunc | |
| 76 # define PyIntIntArgFunc ssizessizeargfunc | |
| 77 # define PyIntObjArgProc ssizeobjargproc | |
| 78 # define PyIntIntObjArgProc ssizessizeobjargproc | |
| 1607 | 79 # define Py_ssize_t_fmt "n" |
| 1594 | 80 #else |
| 81 # define PyInt int | |
| 82 # define PyInquiry inquiry | |
| 83 # define PyIntArgFunc intargfunc | |
| 84 # define PyIntIntArgFunc intintargfunc | |
| 85 # define PyIntObjArgProc intobjargproc | |
| 86 # define PyIntIntObjArgProc intintobjargproc | |
| 1607 | 87 # define Py_ssize_t_fmt "i" |
| 1594 | 88 #endif |
| 89 | |
| 7 | 90 /* Parser flags */ |
| 91 #define single_input 256 | |
| 92 #define file_input 257 | |
| 93 #define eval_input 258 | |
| 94 | |
| 95 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x020300F0 | |
| 96 /* Python 2.3: can invoke ":python" recursively. */ | |
| 97 # define PY_CAN_RECURSE | |
| 98 #endif | |
| 99 | |
|
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100 # if defined(DYNAMIC_PYTHON) || defined(PROTO) |
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101 # ifndef DYNAMIC_PYTHON |
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102 # define HINSTANCE long_u /* for generating prototypes */ |
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103 # endif |
| 7 | 104 |
|
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105 # ifndef WIN3264 |
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106 # include <dlfcn.h> |
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107 # define FARPROC void* |
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108 # define HINSTANCE void* |
| 2641 | 109 # if defined(PY_NO_RTLD_GLOBAL) && defined(PY3_NO_RTLD_GLOBAL) |
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110 # define load_dll(n) dlopen((n), RTLD_LAZY) |
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111 # else |
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112 # define load_dll(n) dlopen((n), RTLD_LAZY|RTLD_GLOBAL) |
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113 # endif |
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114 # define close_dll dlclose |
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115 # define symbol_from_dll dlsym |
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116 # else |
| 2612 | 117 # define load_dll vimLoadLib |
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118 # define close_dll FreeLibrary |
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119 # define symbol_from_dll GetProcAddress |
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120 # endif |
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121 |
| 1607 | 122 /* This makes if_python.c compile without warnings against Python 2.5 |
| 123 * on Win32 and Win64. */ | |
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124 # undef PyRun_SimpleString |
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125 # undef PyArg_Parse |
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126 # undef PyArg_ParseTuple |
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127 # undef Py_BuildValue |
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128 # undef Py_InitModule4 |
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129 # undef Py_InitModule4_64 |
| 1607 | 130 |
| 7 | 131 /* |
| 132 * Wrapper defines | |
| 133 */ | |
| 134 # define PyArg_Parse dll_PyArg_Parse | |
| 135 # define PyArg_ParseTuple dll_PyArg_ParseTuple | |
| 2894 | 136 # define PyMem_Free dll_PyMem_Free |
| 7 | 137 # define PyDict_SetItemString dll_PyDict_SetItemString |
| 138 # define PyErr_BadArgument dll_PyErr_BadArgument | |
| 139 # define PyErr_Clear dll_PyErr_Clear | |
| 140 # define PyErr_NoMemory dll_PyErr_NoMemory | |
| 141 # define PyErr_Occurred dll_PyErr_Occurred | |
| 142 # define PyErr_SetNone dll_PyErr_SetNone | |
| 143 # define PyErr_SetString dll_PyErr_SetString | |
| 144 # define PyEval_InitThreads dll_PyEval_InitThreads | |
| 145 # define PyEval_RestoreThread dll_PyEval_RestoreThread | |
| 146 # define PyEval_SaveThread dll_PyEval_SaveThread | |
| 147 # ifdef PY_CAN_RECURSE | |
| 148 # define PyGILState_Ensure dll_PyGILState_Ensure | |
| 149 # define PyGILState_Release dll_PyGILState_Release | |
| 150 # endif | |
| 151 # define PyInt_AsLong dll_PyInt_AsLong | |
| 152 # define PyInt_FromLong dll_PyInt_FromLong | |
| 153 # define PyInt_Type (*dll_PyInt_Type) | |
| 154 # define PyList_GetItem dll_PyList_GetItem | |
| 637 | 155 # define PyList_Append dll_PyList_Append |
| 7 | 156 # define PyList_New dll_PyList_New |
| 157 # define PyList_SetItem dll_PyList_SetItem | |
| 158 # define PyList_Size dll_PyList_Size | |
| 159 # define PyList_Type (*dll_PyList_Type) | |
| 160 # define PyImport_ImportModule dll_PyImport_ImportModule | |
| 637 | 161 # define PyDict_New dll_PyDict_New |
| 7 | 162 # define PyDict_GetItemString dll_PyDict_GetItemString |
| 163 # define PyModule_GetDict dll_PyModule_GetDict | |
| 164 # define PyRun_SimpleString dll_PyRun_SimpleString | |
| 165 # define PyString_AsString dll_PyString_AsString | |
| 166 # define PyString_FromString dll_PyString_FromString | |
| 167 # define PyString_FromStringAndSize dll_PyString_FromStringAndSize | |
| 168 # define PyString_Size dll_PyString_Size | |
| 169 # define PyString_Type (*dll_PyString_Type) | |
| 170 # define PySys_SetObject dll_PySys_SetObject | |
| 171 # define PySys_SetArgv dll_PySys_SetArgv | |
| 172 # define PyType_Type (*dll_PyType_Type) | |
| 2737 | 173 # define PyType_Ready (*dll_PyType_Ready) |
| 7 | 174 # define Py_BuildValue dll_Py_BuildValue |
| 175 # define Py_FindMethod dll_Py_FindMethod | |
| 176 # define Py_InitModule4 dll_Py_InitModule4 | |
| 2641 | 177 # define Py_SetPythonHome dll_Py_SetPythonHome |
| 7 | 178 # define Py_Initialize dll_Py_Initialize |
| 242 | 179 # define Py_Finalize dll_Py_Finalize |
| 180 # define Py_IsInitialized dll_Py_IsInitialized | |
| 7 | 181 # define _PyObject_New dll__PyObject_New |
| 182 # define _Py_NoneStruct (*dll__Py_NoneStruct) | |
| 183 # define PyObject_Init dll__PyObject_Init | |
| 184 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 | |
| 185 # define PyType_IsSubtype dll_PyType_IsSubtype | |
| 186 # endif | |
| 187 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 | |
| 188 # define PyObject_Malloc dll_PyObject_Malloc | |
| 189 # define PyObject_Free dll_PyObject_Free | |
| 190 # endif | |
| 191 | |
| 192 /* | |
| 193 * Pointers for dynamic link | |
| 194 */ | |
| 195 static int(*dll_PyArg_Parse)(PyObject *, char *, ...); | |
| 196 static int(*dll_PyArg_ParseTuple)(PyObject *, char *, ...); | |
| 2894 | 197 static int(*dll_PyMem_Free)(void *); |
| 7 | 198 static int(*dll_PyDict_SetItemString)(PyObject *dp, char *key, PyObject *item); |
| 199 static int(*dll_PyErr_BadArgument)(void); | |
| 200 static void(*dll_PyErr_Clear)(void); | |
| 201 static PyObject*(*dll_PyErr_NoMemory)(void); | |
| 202 static PyObject*(*dll_PyErr_Occurred)(void); | |
| 203 static void(*dll_PyErr_SetNone)(PyObject *); | |
| 204 static void(*dll_PyErr_SetString)(PyObject *, const char *); | |
| 205 static void(*dll_PyEval_InitThreads)(void); | |
| 206 static void(*dll_PyEval_RestoreThread)(PyThreadState *); | |
| 207 static PyThreadState*(*dll_PyEval_SaveThread)(void); | |
| 208 # ifdef PY_CAN_RECURSE | |
| 209 static PyGILState_STATE (*dll_PyGILState_Ensure)(void); | |
| 210 static void (*dll_PyGILState_Release)(PyGILState_STATE); | |
| 211 #endif | |
| 212 static long(*dll_PyInt_AsLong)(PyObject *); | |
| 213 static PyObject*(*dll_PyInt_FromLong)(long); | |
| 214 static PyTypeObject* dll_PyInt_Type; | |
| 1594 | 215 static PyObject*(*dll_PyList_GetItem)(PyObject *, PyInt); |
| 637 | 216 static PyObject*(*dll_PyList_Append)(PyObject *, PyObject *); |
| 1594 | 217 static PyObject*(*dll_PyList_New)(PyInt size); |
| 218 static int(*dll_PyList_SetItem)(PyObject *, PyInt, PyObject *); | |
| 219 static PyInt(*dll_PyList_Size)(PyObject *); | |
| 7 | 220 static PyTypeObject* dll_PyList_Type; |
| 221 static PyObject*(*dll_PyImport_ImportModule)(const char *); | |
| 637 | 222 static PyObject*(*dll_PyDict_New)(void); |
| 7 | 223 static PyObject*(*dll_PyDict_GetItemString)(PyObject *, const char *); |
| 224 static PyObject*(*dll_PyModule_GetDict)(PyObject *); | |
| 225 static int(*dll_PyRun_SimpleString)(char *); | |
| 226 static char*(*dll_PyString_AsString)(PyObject *); | |
| 227 static PyObject*(*dll_PyString_FromString)(const char *); | |
| 1594 | 228 static PyObject*(*dll_PyString_FromStringAndSize)(const char *, PyInt); |
| 229 static PyInt(*dll_PyString_Size)(PyObject *); | |
| 7 | 230 static PyTypeObject* dll_PyString_Type; |
| 231 static int(*dll_PySys_SetObject)(char *, PyObject *); | |
| 232 static int(*dll_PySys_SetArgv)(int, char **); | |
| 233 static PyTypeObject* dll_PyType_Type; | |
| 2737 | 234 static int (*dll_PyType_Ready)(PyTypeObject *type); |
| 7 | 235 static PyObject*(*dll_Py_BuildValue)(char *, ...); |
| 236 static PyObject*(*dll_Py_FindMethod)(struct PyMethodDef[], PyObject *, char *); | |
| 237 static PyObject*(*dll_Py_InitModule4)(char *, struct PyMethodDef *, char *, PyObject *, int); | |
| 2641 | 238 static void(*dll_Py_SetPythonHome)(char *home); |
| 7 | 239 static void(*dll_Py_Initialize)(void); |
| 242 | 240 static void(*dll_Py_Finalize)(void); |
| 241 static int(*dll_Py_IsInitialized)(void); | |
| 7 | 242 static PyObject*(*dll__PyObject_New)(PyTypeObject *, PyObject *); |
| 243 static PyObject*(*dll__PyObject_Init)(PyObject *, PyTypeObject *); | |
| 244 static PyObject* dll__Py_NoneStruct; | |
| 245 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 | |
| 246 static int (*dll_PyType_IsSubtype)(PyTypeObject *, PyTypeObject *); | |
| 247 # endif | |
| 248 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 | |
| 249 static void* (*dll_PyObject_Malloc)(size_t); | |
| 250 static void (*dll_PyObject_Free)(void*); | |
| 251 # endif | |
| 252 | |
| 253 static HINSTANCE hinstPython = 0; /* Instance of python.dll */ | |
| 254 | |
| 255 /* Imported exception objects */ | |
| 256 static PyObject *imp_PyExc_AttributeError; | |
| 257 static PyObject *imp_PyExc_IndexError; | |
| 258 static PyObject *imp_PyExc_KeyboardInterrupt; | |
| 259 static PyObject *imp_PyExc_TypeError; | |
| 260 static PyObject *imp_PyExc_ValueError; | |
| 261 | |
| 262 # define PyExc_AttributeError imp_PyExc_AttributeError | |
| 263 # define PyExc_IndexError imp_PyExc_IndexError | |
| 264 # define PyExc_KeyboardInterrupt imp_PyExc_KeyboardInterrupt | |
| 265 # define PyExc_TypeError imp_PyExc_TypeError | |
| 266 # define PyExc_ValueError imp_PyExc_ValueError | |
| 267 | |
| 268 /* | |
| 269 * Table of name to function pointer of python. | |
| 270 */ | |
| 271 # define PYTHON_PROC FARPROC | |
| 272 static struct | |
| 273 { | |
| 274 char *name; | |
| 275 PYTHON_PROC *ptr; | |
| 276 } python_funcname_table[] = | |
| 277 { | |
| 278 {"PyArg_Parse", (PYTHON_PROC*)&dll_PyArg_Parse}, | |
| 279 {"PyArg_ParseTuple", (PYTHON_PROC*)&dll_PyArg_ParseTuple}, | |
| 2894 | 280 {"PyMem_Free", (PYTHON_PROC*)&dll_PyMem_Free}, |
| 7 | 281 {"PyDict_SetItemString", (PYTHON_PROC*)&dll_PyDict_SetItemString}, |
| 282 {"PyErr_BadArgument", (PYTHON_PROC*)&dll_PyErr_BadArgument}, | |
| 283 {"PyErr_Clear", (PYTHON_PROC*)&dll_PyErr_Clear}, | |
| 284 {"PyErr_NoMemory", (PYTHON_PROC*)&dll_PyErr_NoMemory}, | |
| 285 {"PyErr_Occurred", (PYTHON_PROC*)&dll_PyErr_Occurred}, | |
| 286 {"PyErr_SetNone", (PYTHON_PROC*)&dll_PyErr_SetNone}, | |
| 287 {"PyErr_SetString", (PYTHON_PROC*)&dll_PyErr_SetString}, | |
| 288 {"PyEval_InitThreads", (PYTHON_PROC*)&dll_PyEval_InitThreads}, | |
| 289 {"PyEval_RestoreThread", (PYTHON_PROC*)&dll_PyEval_RestoreThread}, | |
| 290 {"PyEval_SaveThread", (PYTHON_PROC*)&dll_PyEval_SaveThread}, | |
| 291 # ifdef PY_CAN_RECURSE | |
| 292 {"PyGILState_Ensure", (PYTHON_PROC*)&dll_PyGILState_Ensure}, | |
| 293 {"PyGILState_Release", (PYTHON_PROC*)&dll_PyGILState_Release}, | |
| 294 # endif | |
| 295 {"PyInt_AsLong", (PYTHON_PROC*)&dll_PyInt_AsLong}, | |
| 296 {"PyInt_FromLong", (PYTHON_PROC*)&dll_PyInt_FromLong}, | |
| 297 {"PyInt_Type", (PYTHON_PROC*)&dll_PyInt_Type}, | |
| 298 {"PyList_GetItem", (PYTHON_PROC*)&dll_PyList_GetItem}, | |
| 637 | 299 {"PyList_Append", (PYTHON_PROC*)&dll_PyList_Append}, |
| 7 | 300 {"PyList_New", (PYTHON_PROC*)&dll_PyList_New}, |
| 301 {"PyList_SetItem", (PYTHON_PROC*)&dll_PyList_SetItem}, | |
| 302 {"PyList_Size", (PYTHON_PROC*)&dll_PyList_Size}, | |
| 303 {"PyList_Type", (PYTHON_PROC*)&dll_PyList_Type}, | |
| 304 {"PyImport_ImportModule", (PYTHON_PROC*)&dll_PyImport_ImportModule}, | |
| 305 {"PyDict_GetItemString", (PYTHON_PROC*)&dll_PyDict_GetItemString}, | |
| 637 | 306 {"PyDict_New", (PYTHON_PROC*)&dll_PyDict_New}, |
| 7 | 307 {"PyModule_GetDict", (PYTHON_PROC*)&dll_PyModule_GetDict}, |
| 308 {"PyRun_SimpleString", (PYTHON_PROC*)&dll_PyRun_SimpleString}, | |
| 309 {"PyString_AsString", (PYTHON_PROC*)&dll_PyString_AsString}, | |
| 310 {"PyString_FromString", (PYTHON_PROC*)&dll_PyString_FromString}, | |
| 311 {"PyString_FromStringAndSize", (PYTHON_PROC*)&dll_PyString_FromStringAndSize}, | |
| 312 {"PyString_Size", (PYTHON_PROC*)&dll_PyString_Size}, | |
| 313 {"PyString_Type", (PYTHON_PROC*)&dll_PyString_Type}, | |
| 314 {"PySys_SetObject", (PYTHON_PROC*)&dll_PySys_SetObject}, | |
| 315 {"PySys_SetArgv", (PYTHON_PROC*)&dll_PySys_SetArgv}, | |
| 316 {"PyType_Type", (PYTHON_PROC*)&dll_PyType_Type}, | |
| 2737 | 317 {"PyType_Ready", (PYTHON_PROC*)&dll_PyType_Ready}, |
| 7 | 318 {"Py_BuildValue", (PYTHON_PROC*)&dll_Py_BuildValue}, |
| 319 {"Py_FindMethod", (PYTHON_PROC*)&dll_Py_FindMethod}, | |
| 1607 | 320 # if (PY_VERSION_HEX >= 0x02050000) && SIZEOF_SIZE_T != SIZEOF_INT |
| 321 {"Py_InitModule4_64", (PYTHON_PROC*)&dll_Py_InitModule4}, | |
| 322 # else | |
| 7 | 323 {"Py_InitModule4", (PYTHON_PROC*)&dll_Py_InitModule4}, |
| 1607 | 324 # endif |
| 2641 | 325 {"Py_SetPythonHome", (PYTHON_PROC*)&dll_Py_SetPythonHome}, |
| 7 | 326 {"Py_Initialize", (PYTHON_PROC*)&dll_Py_Initialize}, |
| 242 | 327 {"Py_Finalize", (PYTHON_PROC*)&dll_Py_Finalize}, |
| 328 {"Py_IsInitialized", (PYTHON_PROC*)&dll_Py_IsInitialized}, | |
| 7 | 329 {"_PyObject_New", (PYTHON_PROC*)&dll__PyObject_New}, |
| 330 {"PyObject_Init", (PYTHON_PROC*)&dll__PyObject_Init}, | |
| 331 {"_Py_NoneStruct", (PYTHON_PROC*)&dll__Py_NoneStruct}, | |
| 332 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 | |
| 333 {"PyType_IsSubtype", (PYTHON_PROC*)&dll_PyType_IsSubtype}, | |
| 334 # endif | |
| 335 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 | |
| 336 {"PyObject_Malloc", (PYTHON_PROC*)&dll_PyObject_Malloc}, | |
| 337 {"PyObject_Free", (PYTHON_PROC*)&dll_PyObject_Free}, | |
| 338 # endif | |
| 339 {"", NULL}, | |
| 340 }; | |
| 341 | |
| 342 /* | |
| 343 * Free python.dll | |
| 344 */ | |
| 345 static void | |
| 346 end_dynamic_python(void) | |
| 347 { | |
| 348 if (hinstPython) | |
| 349 { | |
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350 close_dll(hinstPython); |
| 7 | 351 hinstPython = 0; |
| 352 } | |
| 353 } | |
| 354 | |
| 355 /* | |
| 356 * Load library and get all pointers. | |
| 357 * Parameter 'libname' provides name of DLL. | |
| 358 * Return OK or FAIL. | |
| 359 */ | |
| 360 static int | |
| 361 python_runtime_link_init(char *libname, int verbose) | |
| 362 { | |
| 363 int i; | |
| 364 | |
| 2641 | 365 #if !(defined(PY_NO_RTLD_GLOBAL) && defined(PY3_NO_RTLD_GLOBAL)) && defined(UNIX) && defined(FEAT_PYTHON3) |
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366 /* Can't have Python and Python3 loaded at the same time. |
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367 * It cause a crash, because RTLD_GLOBAL is needed for |
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368 * standard C extension libraries of one or both python versions. */ |
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369 if (python3_loaded()) |
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370 { |
| 3032 | 371 if (verbose) |
| 372 EMSG(_("E836: This Vim cannot execute :python after using :py3")); | |
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373 return FAIL; |
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374 } |
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375 #endif |
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376 |
| 7 | 377 if (hinstPython) |
| 378 return OK; | |
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379 hinstPython = load_dll(libname); |
| 7 | 380 if (!hinstPython) |
| 381 { | |
| 382 if (verbose) | |
| 383 EMSG2(_(e_loadlib), libname); | |
| 384 return FAIL; | |
| 385 } | |
| 386 | |
| 387 for (i = 0; python_funcname_table[i].ptr; ++i) | |
| 388 { | |
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389 if ((*python_funcname_table[i].ptr = symbol_from_dll(hinstPython, |
| 7 | 390 python_funcname_table[i].name)) == NULL) |
| 391 { | |
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392 close_dll(hinstPython); |
| 7 | 393 hinstPython = 0; |
| 394 if (verbose) | |
| 395 EMSG2(_(e_loadfunc), python_funcname_table[i].name); | |
| 396 return FAIL; | |
| 397 } | |
| 398 } | |
| 399 return OK; | |
| 400 } | |
| 401 | |
| 402 /* | |
| 403 * If python is enabled (there is installed python on Windows system) return | |
| 404 * TRUE, else FALSE. | |
| 405 */ | |
| 406 int | |
| 1607 | 407 python_enabled(int verbose) |
| 7 | 408 { |
| 409 return python_runtime_link_init(DYNAMIC_PYTHON_DLL, verbose) == OK; | |
| 410 } | |
| 411 | |
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412 /* |
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413 * Load the standard Python exceptions - don't import the symbols from the |
| 7 | 414 * DLL, as this can cause errors (importing data symbols is not reliable). |
| 415 */ | |
| 416 static void | |
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417 get_exceptions(void) |
| 7 | 418 { |
| 419 PyObject *exmod = PyImport_ImportModule("exceptions"); | |
| 420 PyObject *exdict = PyModule_GetDict(exmod); | |
| 421 imp_PyExc_AttributeError = PyDict_GetItemString(exdict, "AttributeError"); | |
| 422 imp_PyExc_IndexError = PyDict_GetItemString(exdict, "IndexError"); | |
| 423 imp_PyExc_KeyboardInterrupt = PyDict_GetItemString(exdict, "KeyboardInterrupt"); | |
| 424 imp_PyExc_TypeError = PyDict_GetItemString(exdict, "TypeError"); | |
| 425 imp_PyExc_ValueError = PyDict_GetItemString(exdict, "ValueError"); | |
| 426 Py_XINCREF(imp_PyExc_AttributeError); | |
| 427 Py_XINCREF(imp_PyExc_IndexError); | |
| 428 Py_XINCREF(imp_PyExc_KeyboardInterrupt); | |
| 429 Py_XINCREF(imp_PyExc_TypeError); | |
| 430 Py_XINCREF(imp_PyExc_ValueError); | |
| 431 Py_XDECREF(exmod); | |
| 432 } | |
| 433 #endif /* DYNAMIC_PYTHON */ | |
| 434 | |
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435 static PyObject *BufferNew (buf_T *); |
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436 static PyObject *WindowNew(win_T *); |
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437 static PyObject *LineToString(const char *); |
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438 |
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439 static PyTypeObject RangeType; |
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440 |
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441 /* |
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442 * Include the code shared with if_python3.c |
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443 */ |
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444 #include "if_py_both.h" |
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445 |
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446 |
| 7 | 447 /****************************************************** |
| 448 * Internal function prototypes. | |
| 449 */ | |
| 450 | |
| 1607 | 451 static PyInt RangeStart; |
| 452 static PyInt RangeEnd; | |
| 7 | 453 |
| 454 static void PythonIO_Flush(void); | |
| 455 static int PythonIO_Init(void); | |
| 456 static int PythonMod_Init(void); | |
| 457 | |
| 458 /* Utility functions for the vim/python interface | |
| 459 * ---------------------------------------------- | |
| 460 */ | |
| 461 | |
| 1607 | 462 static int SetBufferLineList(buf_T *, PyInt, PyInt, PyObject *, PyInt *); |
| 7 | 463 |
| 464 | |
| 465 /****************************************************** | |
| 466 * 1. Python interpreter main program. | |
| 467 */ | |
| 468 | |
| 469 static int initialised = 0; | |
| 470 | |
| 471 #if PYTHON_API_VERSION < 1007 /* Python 1.4 */ | |
| 472 typedef PyObject PyThreadState; | |
| 323 | 473 #endif |
| 474 | |
| 475 #ifdef PY_CAN_RECURSE | |
| 476 static PyGILState_STATE pygilstate = PyGILState_UNLOCKED; | |
| 477 #else | |
| 36 | 478 static PyThreadState *saved_python_thread = NULL; |
| 323 | 479 #endif |
| 7 | 480 |
| 481 /* | |
| 482 * Suspend a thread of the Python interpreter, other threads are allowed to | |
| 483 * run. | |
| 484 */ | |
| 36 | 485 static void |
| 486 Python_SaveThread(void) | |
| 7 | 487 { |
| 323 | 488 #ifdef PY_CAN_RECURSE |
| 489 PyGILState_Release(pygilstate); | |
| 490 #else | |
| 7 | 491 saved_python_thread = PyEval_SaveThread(); |
| 323 | 492 #endif |
| 7 | 493 } |
| 494 | |
| 495 /* | |
| 496 * Restore a thread of the Python interpreter, waits for other threads to | |
| 497 * block. | |
| 498 */ | |
| 36 | 499 static void |
| 500 Python_RestoreThread(void) | |
| 7 | 501 { |
| 323 | 502 #ifdef PY_CAN_RECURSE |
| 503 pygilstate = PyGILState_Ensure(); | |
| 504 #else | |
| 7 | 505 PyEval_RestoreThread(saved_python_thread); |
| 506 saved_python_thread = NULL; | |
| 323 | 507 #endif |
| 7 | 508 } |
| 509 | |
| 510 void | |
| 511 python_end() | |
| 512 { | |
| 557 | 513 static int recurse = 0; |
| 514 | |
| 515 /* If a crash occurs while doing this, don't try again. */ | |
| 516 if (recurse != 0) | |
| 517 return; | |
| 518 | |
| 519 ++recurse; | |
| 520 | |
| 7 | 521 #ifdef DYNAMIC_PYTHON |
| 242 | 522 if (hinstPython && Py_IsInitialized()) |
| 323 | 523 { |
| 856 | 524 Python_RestoreThread(); /* enter python */ |
| 525 Py_Finalize(); | |
| 323 | 526 } |
| 7 | 527 end_dynamic_python(); |
| 242 | 528 #else |
| 529 if (Py_IsInitialized()) | |
| 323 | 530 { |
| 856 | 531 Python_RestoreThread(); /* enter python */ |
| 532 Py_Finalize(); | |
| 323 | 533 } |
| 7 | 534 #endif |
| 557 | 535 |
| 536 --recurse; | |
| 7 | 537 } |
| 538 | |
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539 #if (defined(DYNAMIC_PYTHON) && defined(FEAT_PYTHON3)) || defined(PROTO) |
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540 int |
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541 python_loaded() |
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542 { |
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543 return (hinstPython != 0); |
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544 } |
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545 #endif |
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546 |
| 7 | 547 static int |
| 548 Python_Init(void) | |
| 549 { | |
| 550 if (!initialised) | |
| 551 { | |
| 552 #ifdef DYNAMIC_PYTHON | |
| 553 if (!python_enabled(TRUE)) | |
| 554 { | |
| 555 EMSG(_("E263: Sorry, this command is disabled, the Python library could not be loaded.")); | |
| 556 goto fail; | |
| 557 } | |
| 558 #endif | |
| 559 | |
| 2641 | 560 #ifdef PYTHON_HOME |
| 561 Py_SetPythonHome(PYTHON_HOME); | |
| 562 #endif | |
| 563 | |
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564 init_structs(); |
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565 |
| 7 | 566 #if !defined(MACOS) || defined(MACOS_X_UNIX) |
| 567 Py_Initialize(); | |
| 568 #else | |
| 569 PyMac_Initialize(); | |
| 570 #endif | |
| 571 /* initialise threads */ | |
| 572 PyEval_InitThreads(); | |
| 573 | |
| 574 #ifdef DYNAMIC_PYTHON | |
| 575 get_exceptions(); | |
| 576 #endif | |
| 577 | |
| 578 if (PythonIO_Init()) | |
| 579 goto fail; | |
| 580 | |
| 581 if (PythonMod_Init()) | |
| 582 goto fail; | |
| 583 | |
| 1748 | 584 /* Remove the element from sys.path that was added because of our |
| 585 * argv[0] value in PythonMod_Init(). Previously we used an empty | |
| 586 * string, but dependinding on the OS we then get an empty entry or | |
| 587 * the current directory in sys.path. */ | |
| 588 PyRun_SimpleString("import sys; sys.path = filter(lambda x: x != '/must>not&exist', sys.path)"); | |
| 589 | |
| 36 | 590 /* the first python thread is vim's, release the lock */ |
| 7 | 591 Python_SaveThread(); |
| 592 | |
| 593 initialised = 1; | |
| 594 } | |
| 595 | |
| 596 return 0; | |
| 597 | |
| 598 fail: | |
| 599 /* We call PythonIO_Flush() here to print any Python errors. | |
| 600 * This is OK, as it is possible to call this function even | |
| 601 * if PythonIO_Init() has not completed successfully (it will | |
| 602 * not do anything in this case). | |
| 603 */ | |
| 604 PythonIO_Flush(); | |
| 605 return -1; | |
| 606 } | |
| 607 | |
| 608 /* | |
| 609 * External interface | |
| 610 */ | |
| 611 static void | |
| 612 DoPythonCommand(exarg_T *eap, const char *cmd) | |
| 613 { | |
| 323 | 614 #ifndef PY_CAN_RECURSE |
| 7 | 615 static int recursive = 0; |
| 616 #endif | |
| 617 #if defined(MACOS) && !defined(MACOS_X_UNIX) | |
| 618 GrafPtr oldPort; | |
| 619 #endif | |
| 620 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) | |
| 621 char *saved_locale; | |
| 622 #endif | |
| 623 | |
| 624 #ifndef PY_CAN_RECURSE | |
| 625 if (recursive) | |
| 626 { | |
| 627 EMSG(_("E659: Cannot invoke Python recursively")); | |
| 628 return; | |
| 629 } | |
| 630 ++recursive; | |
| 631 #endif | |
| 632 | |
| 633 #if defined(MACOS) && !defined(MACOS_X_UNIX) | |
| 634 GetPort(&oldPort); | |
| 635 /* Check if the Python library is available */ | |
| 636 if ((Ptr)PyMac_Initialize == (Ptr)kUnresolvedCFragSymbolAddress) | |
| 637 goto theend; | |
| 638 #endif | |
| 639 if (Python_Init()) | |
| 640 goto theend; | |
| 641 | |
| 642 RangeStart = eap->line1; | |
| 643 RangeEnd = eap->line2; | |
| 644 Python_Release_Vim(); /* leave vim */ | |
| 645 | |
| 646 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) | |
| 647 /* Python only works properly when the LC_NUMERIC locale is "C". */ | |
| 648 saved_locale = setlocale(LC_NUMERIC, NULL); | |
| 649 if (saved_locale == NULL || STRCMP(saved_locale, "C") == 0) | |
| 650 saved_locale = NULL; | |
| 651 else | |
| 652 { | |
| 653 /* Need to make a copy, value may change when setting new locale. */ | |
| 654 saved_locale = (char *)vim_strsave((char_u *)saved_locale); | |
| 655 (void)setlocale(LC_NUMERIC, "C"); | |
| 656 } | |
| 657 #endif | |
| 658 | |
| 659 Python_RestoreThread(); /* enter python */ | |
| 660 | |
| 661 PyRun_SimpleString((char *)(cmd)); | |
| 662 | |
| 663 Python_SaveThread(); /* leave python */ | |
| 664 | |
| 665 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) | |
| 666 if (saved_locale != NULL) | |
| 667 { | |
| 668 (void)setlocale(LC_NUMERIC, saved_locale); | |
| 669 vim_free(saved_locale); | |
| 670 } | |
| 671 #endif | |
| 672 | |
| 673 Python_Lock_Vim(); /* enter vim */ | |
| 674 PythonIO_Flush(); | |
| 675 #if defined(MACOS) && !defined(MACOS_X_UNIX) | |
| 676 SetPort(oldPort); | |
| 677 #endif | |
| 678 | |
| 679 theend: | |
| 680 #ifndef PY_CAN_RECURSE | |
| 681 --recursive; | |
| 682 #endif | |
| 683 return; /* keeps lint happy */ | |
| 684 } | |
| 685 | |
| 686 /* | |
| 687 * ":python" | |
| 688 */ | |
| 689 void | |
| 690 ex_python(exarg_T *eap) | |
| 691 { | |
| 692 char_u *script; | |
| 693 | |
| 694 script = script_get(eap, eap->arg); | |
| 695 if (!eap->skip) | |
| 696 { | |
| 697 if (script == NULL) | |
| 698 DoPythonCommand(eap, (char *)eap->arg); | |
| 699 else | |
| 700 DoPythonCommand(eap, (char *)script); | |
| 701 } | |
| 702 vim_free(script); | |
| 703 } | |
| 704 | |
| 705 #define BUFFER_SIZE 1024 | |
| 706 | |
| 707 /* | |
| 708 * ":pyfile" | |
| 709 */ | |
| 710 void | |
| 711 ex_pyfile(exarg_T *eap) | |
| 712 { | |
| 713 static char buffer[BUFFER_SIZE]; | |
| 714 const char *file = (char *)eap->arg; | |
| 715 char *p; | |
| 716 | |
| 717 /* Have to do it like this. PyRun_SimpleFile requires you to pass a | |
| 718 * stdio file pointer, but Vim and the Python DLL are compiled with | |
| 719 * different options under Windows, meaning that stdio pointers aren't | |
| 720 * compatible between the two. Yuk. | |
| 721 * | |
| 722 * Put the string "execfile('file')" into buffer. But, we need to | |
| 723 * escape any backslashes or single quotes in the file name, so that | |
| 724 * Python won't mangle the file name. | |
| 725 */ | |
| 726 strcpy(buffer, "execfile('"); | |
| 727 p = buffer + 10; /* size of "execfile('" */ | |
| 728 | |
| 729 while (*file && p < buffer + (BUFFER_SIZE - 3)) | |
| 730 { | |
| 731 if (*file == '\\' || *file == '\'') | |
| 732 *p++ = '\\'; | |
| 733 *p++ = *file++; | |
| 734 } | |
| 735 | |
| 736 /* If we didn't finish the file name, we hit a buffer overflow */ | |
| 737 if (*file != '\0') | |
| 738 return; | |
| 739 | |
| 740 /* Put in the terminating "')" and a null */ | |
| 741 *p++ = '\''; | |
| 742 *p++ = ')'; | |
| 743 *p++ = '\0'; | |
| 744 | |
| 745 /* Execute the file */ | |
| 746 DoPythonCommand(eap, buffer); | |
| 747 } | |
| 748 | |
| 749 /****************************************************** | |
| 750 * 2. Python output stream: writes output via [e]msg(). | |
| 751 */ | |
| 752 | |
| 753 /* Implementation functions | |
| 754 */ | |
| 755 | |
| 756 static PyObject * | |
| 757 OutputGetattr(PyObject *self, char *name) | |
| 758 { | |
| 759 if (strcmp(name, "softspace") == 0) | |
| 760 return PyInt_FromLong(((OutputObject *)(self))->softspace); | |
| 761 | |
| 762 return Py_FindMethod(OutputMethods, self, name); | |
| 763 } | |
| 764 | |
| 765 static int | |
| 766 OutputSetattr(PyObject *self, char *name, PyObject *val) | |
| 767 { | |
| 768 if (val == NULL) { | |
| 769 PyErr_SetString(PyExc_AttributeError, _("can't delete OutputObject attributes")); | |
| 770 return -1; | |
| 771 } | |
| 772 | |
| 773 if (strcmp(name, "softspace") == 0) | |
| 774 { | |
| 775 if (!PyInt_Check(val)) { | |
| 776 PyErr_SetString(PyExc_TypeError, _("softspace must be an integer")); | |
| 777 return -1; | |
| 778 } | |
| 779 | |
| 780 ((OutputObject *)(self))->softspace = PyInt_AsLong(val); | |
| 781 return 0; | |
| 782 } | |
| 783 | |
| 784 PyErr_SetString(PyExc_AttributeError, _("invalid attribute")); | |
| 785 return -1; | |
| 786 } | |
| 787 | |
| 788 /***************/ | |
| 789 | |
| 790 static int | |
| 791 PythonIO_Init(void) | |
| 792 { | |
| 793 /* Fixups... */ | |
| 2735 | 794 PyType_Ready(&OutputType); |
| 7 | 795 |
|
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parents:
2384
diff
changeset
|
796 return PythonIO_Init_io(); |
| 7 | 797 } |
| 798 | |
| 799 /****************************************************** | |
| 800 * 3. Implementation of the Vim module for Python | |
| 801 */ | |
| 802 | |
| 803 /* Window type - Implementation functions | |
| 804 * -------------------------------------- | |
| 805 */ | |
| 806 | |
| 807 #define WindowType_Check(obj) ((obj)->ob_type == &WindowType) | |
| 808 | |
| 809 static void WindowDestructor(PyObject *); | |
| 810 static PyObject *WindowGetattr(PyObject *, char *); | |
| 811 | |
| 812 /* Buffer type - Implementation functions | |
| 813 * -------------------------------------- | |
| 814 */ | |
| 815 | |
| 816 #define BufferType_Check(obj) ((obj)->ob_type == &BufferType) | |
| 817 | |
| 818 static void BufferDestructor(PyObject *); | |
| 819 static PyObject *BufferGetattr(PyObject *, char *); | |
| 820 static PyObject *BufferRepr(PyObject *); | |
| 821 | |
| 1594 | 822 static PyInt BufferLength(PyObject *); |
| 823 static PyObject *BufferItem(PyObject *, PyInt); | |
| 824 static PyObject *BufferSlice(PyObject *, PyInt, PyInt); | |
| 825 static PyInt BufferAssItem(PyObject *, PyInt, PyObject *); | |
| 826 static PyInt BufferAssSlice(PyObject *, PyInt, PyInt, PyObject *); | |
| 7 | 827 |
| 828 /* Line range type - Implementation functions | |
| 829 * -------------------------------------- | |
| 830 */ | |
| 831 | |
| 832 #define RangeType_Check(obj) ((obj)->ob_type == &RangeType) | |
| 833 | |
| 1594 | 834 static PyInt RangeAssItem(PyObject *, PyInt, PyObject *); |
| 835 static PyInt RangeAssSlice(PyObject *, PyInt, PyInt, PyObject *); | |
| 7 | 836 |
| 837 /* Current objects type - Implementation functions | |
| 838 * ----------------------------------------------- | |
| 839 */ | |
| 840 | |
| 841 static PyObject *CurrentGetattr(PyObject *, char *); | |
| 842 static int CurrentSetattr(PyObject *, char *, PyObject *); | |
| 843 | |
| 844 static PySequenceMethods BufferAsSeq = { | |
| 1594 | 845 (PyInquiry) BufferLength, /* sq_length, len(x) */ |
| 7 | 846 (binaryfunc) 0, /* BufferConcat, */ /* sq_concat, x+y */ |
| 1594 | 847 (PyIntArgFunc) 0, /* BufferRepeat, */ /* sq_repeat, x*n */ |
| 848 (PyIntArgFunc) BufferItem, /* sq_item, x[i] */ | |
| 849 (PyIntIntArgFunc) BufferSlice, /* sq_slice, x[i:j] */ | |
| 850 (PyIntObjArgProc) BufferAssItem, /* sq_ass_item, x[i]=v */ | |
| 851 (PyIntIntObjArgProc) BufferAssSlice, /* sq_ass_slice, x[i:j]=v */ | |
| 7 | 852 }; |
| 853 | |
| 854 static PyTypeObject BufferType = { | |
| 855 PyObject_HEAD_INIT(0) | |
| 856 0, | |
| 857 "buffer", | |
| 858 sizeof(BufferObject), | |
| 859 0, | |
| 860 | |
| 861 (destructor) BufferDestructor, /* tp_dealloc, refcount==0 */ | |
| 862 (printfunc) 0, /* tp_print, print x */ | |
| 863 (getattrfunc) BufferGetattr, /* tp_getattr, x.attr */ | |
| 864 (setattrfunc) 0, /* tp_setattr, x.attr=v */ | |
| 865 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 866 (reprfunc) BufferRepr, /* tp_repr, `x`, print x */ | |
| 867 | |
| 868 0, /* as number */ | |
| 869 &BufferAsSeq, /* as sequence */ | |
| 870 0, /* as mapping */ | |
| 871 | |
| 872 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 873 (ternaryfunc) 0, /* tp_call, x() */ | |
| 874 (reprfunc) 0, /* tp_str, str(x) */ | |
| 875 }; | |
| 876 | |
| 877 /* Buffer object - Implementation | |
| 878 */ | |
| 879 | |
| 880 static PyObject * | |
| 881 BufferNew(buf_T *buf) | |
| 882 { | |
| 883 /* We need to handle deletion of buffers underneath us. | |
| 502 | 884 * If we add a "b_python_ref" field to the buf_T structure, |
| 7 | 885 * then we can get at it in buf_freeall() in vim. We then |
| 886 * need to create only ONE Python object per buffer - if | |
| 887 * we try to create a second, just INCREF the existing one | |
| 888 * and return it. The (single) Python object referring to | |
| 502 | 889 * the buffer is stored in "b_python_ref". |
| 7 | 890 * Question: what to do on a buf_freeall(). We'll probably |
| 891 * have to either delete the Python object (DECREF it to | |
| 892 * zero - a bad idea, as it leaves dangling refs!) or | |
| 893 * set the buf_T * value to an invalid value (-1?), which | |
| 894 * means we need checks in all access functions... Bah. | |
| 895 */ | |
| 896 | |
| 897 BufferObject *self; | |
| 898 | |
| 502 | 899 if (buf->b_python_ref != NULL) |
| 7 | 900 { |
| 502 | 901 self = buf->b_python_ref; |
| 7 | 902 Py_INCREF(self); |
| 903 } | |
| 904 else | |
| 905 { | |
| 906 self = PyObject_NEW(BufferObject, &BufferType); | |
| 907 if (self == NULL) | |
| 908 return NULL; | |
| 909 self->buf = buf; | |
| 502 | 910 buf->b_python_ref = self; |
| 7 | 911 } |
| 912 | |
| 913 return (PyObject *)(self); | |
| 914 } | |
| 915 | |
| 916 static void | |
| 917 BufferDestructor(PyObject *self) | |
| 918 { | |
| 919 BufferObject *this = (BufferObject *)(self); | |
| 920 | |
| 921 if (this->buf && this->buf != INVALID_BUFFER_VALUE) | |
| 502 | 922 this->buf->b_python_ref = NULL; |
| 7 | 923 |
| 986 | 924 Py_DECREF(self); |
| 7 | 925 } |
| 926 | |
| 927 static PyObject * | |
| 928 BufferGetattr(PyObject *self, char *name) | |
| 929 { | |
| 930 BufferObject *this = (BufferObject *)(self); | |
| 931 | |
| 932 if (CheckBuffer(this)) | |
| 933 return NULL; | |
| 934 | |
| 935 if (strcmp(name, "name") == 0) | |
| 1607 | 936 return Py_BuildValue("s", this->buf->b_ffname); |
| 7 | 937 else if (strcmp(name, "number") == 0) |
| 1607 | 938 return Py_BuildValue(Py_ssize_t_fmt, this->buf->b_fnum); |
| 7 | 939 else if (strcmp(name,"__members__") == 0) |
| 940 return Py_BuildValue("[ss]", "name", "number"); | |
| 941 else | |
| 942 return Py_FindMethod(BufferMethods, self, name); | |
| 943 } | |
| 944 | |
| 945 static PyObject * | |
| 946 BufferRepr(PyObject *self) | |
| 947 { | |
| 274 | 948 static char repr[100]; |
| 7 | 949 BufferObject *this = (BufferObject *)(self); |
| 950 | |
| 951 if (this->buf == INVALID_BUFFER_VALUE) | |
| 952 { | |
| 1607 | 953 vim_snprintf(repr, 100, _("<buffer object (deleted) at %p>"), (self)); |
| 7 | 954 return PyString_FromString(repr); |
| 955 } | |
| 956 else | |
| 957 { | |
| 958 char *name = (char *)this->buf->b_fname; | |
| 1607 | 959 PyInt len; |
| 7 | 960 |
| 961 if (name == NULL) | |
| 962 name = ""; | |
| 963 len = strlen(name); | |
| 964 | |
| 965 if (len > 35) | |
| 966 name = name + (35 - len); | |
| 967 | |
| 274 | 968 vim_snprintf(repr, 100, "<buffer %s%s>", len > 35 ? "..." : "", name); |
| 7 | 969 |
| 970 return PyString_FromString(repr); | |
| 971 } | |
| 972 } | |
| 973 | |
| 974 /******************/ | |
| 975 | |
| 1594 | 976 static PyInt |
| 7 | 977 BufferLength(PyObject *self) |
| 978 { | |
| 979 /* HOW DO WE SIGNAL AN ERROR FROM THIS FUNCTION? */ | |
| 980 if (CheckBuffer((BufferObject *)(self))) | |
| 981 return -1; /* ??? */ | |
| 982 | |
| 983 return (((BufferObject *)(self))->buf->b_ml.ml_line_count); | |
| 984 } | |
| 985 | |
| 986 static PyObject * | |
| 1594 | 987 BufferItem(PyObject *self, PyInt n) |
| 7 | 988 { |
| 989 return RBItem((BufferObject *)(self), n, 1, | |
| 990 (int)((BufferObject *)(self))->buf->b_ml.ml_line_count); | |
| 991 } | |
| 992 | |
| 993 static PyObject * | |
| 1594 | 994 BufferSlice(PyObject *self, PyInt lo, PyInt hi) |
| 7 | 995 { |
| 996 return RBSlice((BufferObject *)(self), lo, hi, 1, | |
| 997 (int)((BufferObject *)(self))->buf->b_ml.ml_line_count); | |
| 998 } | |
| 999 | |
| 1594 | 1000 static PyInt |
| 1001 BufferAssItem(PyObject *self, PyInt n, PyObject *val) | |
| 7 | 1002 { |
|
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parents:
2399
diff
changeset
|
1003 return RBAsItem((BufferObject *)(self), n, val, 1, |
| 1607 | 1004 (PyInt)((BufferObject *)(self))->buf->b_ml.ml_line_count, |
| 7 | 1005 NULL); |
| 1006 } | |
| 1007 | |
| 1594 | 1008 static PyInt |
| 1009 BufferAssSlice(PyObject *self, PyInt lo, PyInt hi, PyObject *val) | |
| 7 | 1010 { |
| 2894 | 1011 return RBAsSlice((BufferObject *)(self), lo, hi, val, 1, |
| 1607 | 1012 (PyInt)((BufferObject *)(self))->buf->b_ml.ml_line_count, |
| 7 | 1013 NULL); |
| 1014 } | |
| 1015 | |
| 1016 static PySequenceMethods RangeAsSeq = { | |
| 1594 | 1017 (PyInquiry) RangeLength, /* sq_length, len(x) */ |
| 7 | 1018 (binaryfunc) 0, /* RangeConcat, */ /* sq_concat, x+y */ |
| 1594 | 1019 (PyIntArgFunc) 0, /* RangeRepeat, */ /* sq_repeat, x*n */ |
| 1020 (PyIntArgFunc) RangeItem, /* sq_item, x[i] */ | |
| 1021 (PyIntIntArgFunc) RangeSlice, /* sq_slice, x[i:j] */ | |
| 1022 (PyIntObjArgProc) RangeAssItem, /* sq_ass_item, x[i]=v */ | |
| 1023 (PyIntIntObjArgProc) RangeAssSlice, /* sq_ass_slice, x[i:j]=v */ | |
| 7 | 1024 }; |
| 1025 | |
| 1026 /* Line range object - Implementation | |
| 1027 */ | |
| 1028 | |
| 1029 static void | |
| 1030 RangeDestructor(PyObject *self) | |
| 1031 { | |
| 1032 Py_DECREF(((RangeObject *)(self))->buf); | |
| 986 | 1033 Py_DECREF(self); |
| 7 | 1034 } |
| 1035 | |
| 1036 static PyObject * | |
| 1037 RangeGetattr(PyObject *self, char *name) | |
| 1038 { | |
| 1039 if (strcmp(name, "start") == 0) | |
| 1607 | 1040 return Py_BuildValue(Py_ssize_t_fmt, ((RangeObject *)(self))->start - 1); |
| 7 | 1041 else if (strcmp(name, "end") == 0) |
| 1607 | 1042 return Py_BuildValue(Py_ssize_t_fmt, ((RangeObject *)(self))->end - 1); |
| 7 | 1043 else |
| 1044 return Py_FindMethod(RangeMethods, self, name); | |
| 1045 } | |
| 1046 | |
| 1047 /****************/ | |
| 1048 | |
| 1594 | 1049 static PyInt |
| 1050 RangeAssItem(PyObject *self, PyInt n, PyObject *val) | |
| 7 | 1051 { |
|
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Bram Moolenaar <bram@vim.org>
parents:
2399
diff
changeset
|
1052 return RBAsItem(((RangeObject *)(self))->buf, n, val, |
| 7 | 1053 ((RangeObject *)(self))->start, |
| 1054 ((RangeObject *)(self))->end, | |
| 1055 &((RangeObject *)(self))->end); | |
| 1056 } | |
| 1057 | |
| 1594 | 1058 static PyInt |
| 1059 RangeAssSlice(PyObject *self, PyInt lo, PyInt hi, PyObject *val) | |
| 7 | 1060 { |
| 2894 | 1061 return RBAsSlice(((RangeObject *)(self))->buf, lo, hi, val, |
| 7 | 1062 ((RangeObject *)(self))->start, |
| 1063 ((RangeObject *)(self))->end, | |
| 1064 &((RangeObject *)(self))->end); | |
| 1065 } | |
| 1066 | |
| 1067 /* Buffer list object - Definitions | |
| 1068 */ | |
| 1069 | |
| 1070 typedef struct | |
| 1071 { | |
| 1072 PyObject_HEAD | |
|
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Bram Moolenaar <bram@vim.org>
parents:
2399
diff
changeset
|
1073 } BufListObject; |
| 7 | 1074 |
| 1075 static PySequenceMethods BufListAsSeq = { | |
| 1594 | 1076 (PyInquiry) BufListLength, /* sq_length, len(x) */ |
| 7 | 1077 (binaryfunc) 0, /* sq_concat, x+y */ |
| 1594 | 1078 (PyIntArgFunc) 0, /* sq_repeat, x*n */ |
| 1079 (PyIntArgFunc) BufListItem, /* sq_item, x[i] */ | |
| 1080 (PyIntIntArgFunc) 0, /* sq_slice, x[i:j] */ | |
| 1081 (PyIntObjArgProc) 0, /* sq_ass_item, x[i]=v */ | |
| 1082 (PyIntIntObjArgProc) 0, /* sq_ass_slice, x[i:j]=v */ | |
| 7 | 1083 }; |
| 1084 | |
| 1085 static PyTypeObject BufListType = { | |
| 1086 PyObject_HEAD_INIT(0) | |
| 1087 0, | |
| 1088 "buffer list", | |
| 1089 sizeof(BufListObject), | |
| 1090 0, | |
| 1091 | |
| 1092 (destructor) 0, /* tp_dealloc, refcount==0 */ | |
| 1093 (printfunc) 0, /* tp_print, print x */ | |
| 1094 (getattrfunc) 0, /* tp_getattr, x.attr */ | |
| 1095 (setattrfunc) 0, /* tp_setattr, x.attr=v */ | |
| 1096 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 1097 (reprfunc) 0, /* tp_repr, `x`, print x */ | |
| 1098 | |
| 1099 0, /* as number */ | |
| 1100 &BufListAsSeq, /* as sequence */ | |
| 1101 0, /* as mapping */ | |
| 1102 | |
| 1103 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 1104 (ternaryfunc) 0, /* tp_call, x() */ | |
| 1105 (reprfunc) 0, /* tp_str, str(x) */ | |
| 1106 }; | |
| 1107 | |
| 1108 /* Window object - Definitions | |
| 1109 */ | |
| 1110 | |
| 1111 static struct PyMethodDef WindowMethods[] = { | |
| 1112 /* name, function, calling, documentation */ | |
| 1113 { NULL, NULL, 0, NULL } | |
| 1114 }; | |
| 1115 | |
| 1116 static PyTypeObject WindowType = { | |
| 1117 PyObject_HEAD_INIT(0) | |
| 1118 0, | |
| 1119 "window", | |
| 1120 sizeof(WindowObject), | |
| 1121 0, | |
| 1122 | |
| 1123 (destructor) WindowDestructor, /* tp_dealloc, refcount==0 */ | |
| 1124 (printfunc) 0, /* tp_print, print x */ | |
| 1125 (getattrfunc) WindowGetattr, /* tp_getattr, x.attr */ | |
| 1126 (setattrfunc) WindowSetattr, /* tp_setattr, x.attr=v */ | |
| 1127 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 1128 (reprfunc) WindowRepr, /* tp_repr, `x`, print x */ | |
| 1129 | |
| 1130 0, /* as number */ | |
| 1131 0, /* as sequence */ | |
| 1132 0, /* as mapping */ | |
| 1133 | |
| 1134 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 1135 (ternaryfunc) 0, /* tp_call, x() */ | |
| 1136 (reprfunc) 0, /* tp_str, str(x) */ | |
| 1137 }; | |
| 1138 | |
| 1139 /* Window object - Implementation | |
| 1140 */ | |
| 1141 | |
| 1142 static PyObject * | |
| 1143 WindowNew(win_T *win) | |
| 1144 { | |
| 1145 /* We need to handle deletion of windows underneath us. | |
| 502 | 1146 * If we add a "w_python_ref" field to the win_T structure, |
| 7 | 1147 * then we can get at it in win_free() in vim. We then |
| 1148 * need to create only ONE Python object per window - if | |
| 1149 * we try to create a second, just INCREF the existing one | |
| 1150 * and return it. The (single) Python object referring to | |
| 502 | 1151 * the window is stored in "w_python_ref". |
| 7 | 1152 * On a win_free() we set the Python object's win_T* field |
| 1153 * to an invalid value. We trap all uses of a window | |
| 1154 * object, and reject them if the win_T* field is invalid. | |
| 1155 */ | |
| 1156 | |
| 1157 WindowObject *self; | |
| 1158 | |
| 502 | 1159 if (win->w_python_ref) |
| 7 | 1160 { |
| 502 | 1161 self = win->w_python_ref; |
| 7 | 1162 Py_INCREF(self); |
| 1163 } | |
| 1164 else | |
| 1165 { | |
| 1166 self = PyObject_NEW(WindowObject, &WindowType); | |
| 1167 if (self == NULL) | |
| 1168 return NULL; | |
| 1169 self->win = win; | |
| 502 | 1170 win->w_python_ref = self; |
| 7 | 1171 } |
| 1172 | |
| 1173 return (PyObject *)(self); | |
| 1174 } | |
| 1175 | |
| 1176 static void | |
| 1177 WindowDestructor(PyObject *self) | |
| 1178 { | |
| 1179 WindowObject *this = (WindowObject *)(self); | |
| 1180 | |
| 1181 if (this->win && this->win != INVALID_WINDOW_VALUE) | |
| 502 | 1182 this->win->w_python_ref = NULL; |
| 7 | 1183 |
| 986 | 1184 Py_DECREF(self); |
| 7 | 1185 } |
| 1186 | |
| 1187 static PyObject * | |
| 1188 WindowGetattr(PyObject *self, char *name) | |
| 1189 { | |
| 1190 WindowObject *this = (WindowObject *)(self); | |
| 1191 | |
| 1192 if (CheckWindow(this)) | |
| 1193 return NULL; | |
| 1194 | |
| 1195 if (strcmp(name, "buffer") == 0) | |
| 1196 return (PyObject *)BufferNew(this->win->w_buffer); | |
| 1197 else if (strcmp(name, "cursor") == 0) | |
| 1198 { | |
| 1199 pos_T *pos = &this->win->w_cursor; | |
| 1200 | |
| 1201 return Py_BuildValue("(ll)", (long)(pos->lnum), (long)(pos->col)); | |
| 1202 } | |
| 1203 else if (strcmp(name, "height") == 0) | |
| 1204 return Py_BuildValue("l", (long)(this->win->w_height)); | |
| 1205 #ifdef FEAT_VERTSPLIT | |
| 1206 else if (strcmp(name, "width") == 0) | |
| 1207 return Py_BuildValue("l", (long)(W_WIDTH(this->win))); | |
| 1208 #endif | |
| 1209 else if (strcmp(name,"__members__") == 0) | |
| 1210 return Py_BuildValue("[sss]", "buffer", "cursor", "height"); | |
| 1211 else | |
| 1212 return Py_FindMethod(WindowMethods, self, name); | |
| 1213 } | |
| 1214 | |
| 1215 /* Window list object - Definitions | |
| 1216 */ | |
| 1217 | |
| 1218 typedef struct | |
| 1219 { | |
| 1220 PyObject_HEAD | |
| 1221 } | |
| 1222 WinListObject; | |
| 1223 | |
| 1224 static PySequenceMethods WinListAsSeq = { | |
| 1594 | 1225 (PyInquiry) WinListLength, /* sq_length, len(x) */ |
| 7 | 1226 (binaryfunc) 0, /* sq_concat, x+y */ |
| 1594 | 1227 (PyIntArgFunc) 0, /* sq_repeat, x*n */ |
| 1228 (PyIntArgFunc) WinListItem, /* sq_item, x[i] */ | |
| 1229 (PyIntIntArgFunc) 0, /* sq_slice, x[i:j] */ | |
| 1230 (PyIntObjArgProc) 0, /* sq_ass_item, x[i]=v */ | |
| 1231 (PyIntIntObjArgProc) 0, /* sq_ass_slice, x[i:j]=v */ | |
| 7 | 1232 }; |
| 1233 | |
| 1234 static PyTypeObject WinListType = { | |
| 1235 PyObject_HEAD_INIT(0) | |
| 1236 0, | |
| 1237 "window list", | |
| 1238 sizeof(WinListObject), | |
| 1239 0, | |
| 1240 | |
| 1241 (destructor) 0, /* tp_dealloc, refcount==0 */ | |
| 1242 (printfunc) 0, /* tp_print, print x */ | |
| 1243 (getattrfunc) 0, /* tp_getattr, x.attr */ | |
| 1244 (setattrfunc) 0, /* tp_setattr, x.attr=v */ | |
| 1245 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 1246 (reprfunc) 0, /* tp_repr, `x`, print x */ | |
| 1247 | |
| 1248 0, /* as number */ | |
| 1249 &WinListAsSeq, /* as sequence */ | |
| 1250 0, /* as mapping */ | |
| 1251 | |
| 1252 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 1253 (ternaryfunc) 0, /* tp_call, x() */ | |
| 1254 (reprfunc) 0, /* tp_str, str(x) */ | |
| 1255 }; | |
| 1256 | |
| 1257 /* Current items object - Definitions | |
| 1258 */ | |
| 1259 | |
| 1260 typedef struct | |
| 1261 { | |
| 1262 PyObject_HEAD | |
|
2447
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Move many more common Python items to if_py_both.c.
Bram Moolenaar <bram@vim.org>
parents:
2399
diff
changeset
|
1263 } CurrentObject; |
| 7 | 1264 |
| 1265 static PyTypeObject CurrentType = { | |
| 1266 PyObject_HEAD_INIT(0) | |
| 1267 0, | |
| 1268 "current data", | |
| 1269 sizeof(CurrentObject), | |
| 1270 0, | |
| 1271 | |
| 1272 (destructor) 0, /* tp_dealloc, refcount==0 */ | |
| 1273 (printfunc) 0, /* tp_print, print x */ | |
| 1274 (getattrfunc) CurrentGetattr, /* tp_getattr, x.attr */ | |
| 1275 (setattrfunc) CurrentSetattr, /* tp_setattr, x.attr=v */ | |
| 1276 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 1277 (reprfunc) 0, /* tp_repr, `x`, print x */ | |
| 1278 | |
| 1279 0, /* as number */ | |
| 1280 0, /* as sequence */ | |
| 1281 0, /* as mapping */ | |
| 1282 | |
| 1283 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 1284 (ternaryfunc) 0, /* tp_call, x() */ | |
| 1285 (reprfunc) 0, /* tp_str, str(x) */ | |
| 1286 }; | |
| 1287 | |
| 1288 /* Current items object - Implementation | |
| 1289 */ | |
| 1290 static PyObject * | |
| 1887 | 1291 CurrentGetattr(PyObject *self UNUSED, char *name) |
| 7 | 1292 { |
| 1293 if (strcmp(name, "buffer") == 0) | |
| 1294 return (PyObject *)BufferNew(curbuf); | |
| 1295 else if (strcmp(name, "window") == 0) | |
| 1296 return (PyObject *)WindowNew(curwin); | |
| 1297 else if (strcmp(name, "line") == 0) | |
| 1607 | 1298 return GetBufferLine(curbuf, (PyInt)curwin->w_cursor.lnum); |
| 7 | 1299 else if (strcmp(name, "range") == 0) |
| 1300 return RangeNew(curbuf, RangeStart, RangeEnd); | |
| 1301 else if (strcmp(name,"__members__") == 0) | |
| 1302 return Py_BuildValue("[ssss]", "buffer", "window", "line", "range"); | |
| 1303 else | |
| 1304 { | |
| 1305 PyErr_SetString(PyExc_AttributeError, name); | |
| 1306 return NULL; | |
| 1307 } | |
| 1308 } | |
| 1309 | |
| 1310 static int | |
| 1887 | 1311 CurrentSetattr(PyObject *self UNUSED, char *name, PyObject *value) |
| 7 | 1312 { |
| 1313 if (strcmp(name, "line") == 0) | |
| 1314 { | |
| 1607 | 1315 if (SetBufferLine(curbuf, (PyInt)curwin->w_cursor.lnum, value, NULL) == FAIL) |
| 7 | 1316 return -1; |
| 1317 | |
| 1318 return 0; | |
| 1319 } | |
| 1320 else | |
| 1321 { | |
| 1322 PyErr_SetString(PyExc_AttributeError, name); | |
| 1323 return -1; | |
| 1324 } | |
| 1325 } | |
| 1326 | |
| 1327 /* External interface | |
| 1328 */ | |
| 1329 | |
| 1330 void | |
| 1331 python_buffer_free(buf_T *buf) | |
| 1332 { | |
| 502 | 1333 if (buf->b_python_ref != NULL) |
| 7 | 1334 { |
| 502 | 1335 BufferObject *bp = buf->b_python_ref; |
| 7 | 1336 bp->buf = INVALID_BUFFER_VALUE; |
| 502 | 1337 buf->b_python_ref = NULL; |
| 7 | 1338 } |
| 1339 } | |
| 1340 | |
| 1341 #if defined(FEAT_WINDOWS) || defined(PROTO) | |
| 1342 void | |
| 1343 python_window_free(win_T *win) | |
| 1344 { | |
| 502 | 1345 if (win->w_python_ref != NULL) |
| 7 | 1346 { |
| 502 | 1347 WindowObject *wp = win->w_python_ref; |
| 7 | 1348 wp->win = INVALID_WINDOW_VALUE; |
| 502 | 1349 win->w_python_ref = NULL; |
| 7 | 1350 } |
| 1351 } | |
| 1352 #endif | |
| 1353 | |
| 1354 static BufListObject TheBufferList = | |
| 1355 { | |
| 1356 PyObject_HEAD_INIT(&BufListType) | |
| 1357 }; | |
| 1358 | |
| 1359 static WinListObject TheWindowList = | |
| 1360 { | |
| 1361 PyObject_HEAD_INIT(&WinListType) | |
| 1362 }; | |
| 1363 | |
| 1364 static CurrentObject TheCurrent = | |
| 1365 { | |
| 1366 PyObject_HEAD_INIT(&CurrentType) | |
| 1367 }; | |
| 1368 | |
| 1369 static int | |
| 1370 PythonMod_Init(void) | |
| 1371 { | |
| 1372 PyObject *mod; | |
| 1373 PyObject *dict; | |
| 1748 | 1374 /* The special value is removed from sys.path in Python_Init(). */ |
| 1375 static char *(argv[2]) = {"/must>not&exist/foo", NULL}; | |
| 7 | 1376 |
| 1377 /* Fixups... */ | |
| 2735 | 1378 PyType_Ready(&BufferType); |
| 1379 PyType_Ready(&RangeType); | |
| 1380 PyType_Ready(&WindowType); | |
| 1381 PyType_Ready(&BufListType); | |
| 1382 PyType_Ready(&WinListType); | |
| 1383 PyType_Ready(&CurrentType); | |
| 7 | 1384 |
| 1385 /* Set sys.argv[] to avoid a crash in warn(). */ | |
| 1386 PySys_SetArgv(1, argv); | |
| 1387 | |
| 1607 | 1388 mod = Py_InitModule4("vim", VimMethods, (char *)NULL, (PyObject *)NULL, PYTHON_API_VERSION); |
| 7 | 1389 dict = PyModule_GetDict(mod); |
| 1390 | |
| 1391 VimError = Py_BuildValue("s", "vim.error"); | |
| 1392 | |
| 1393 PyDict_SetItemString(dict, "error", VimError); | |
| 135 | 1394 PyDict_SetItemString(dict, "buffers", (PyObject *)(void *)&TheBufferList); |
| 1395 PyDict_SetItemString(dict, "current", (PyObject *)(void *)&TheCurrent); | |
| 1396 PyDict_SetItemString(dict, "windows", (PyObject *)(void *)&TheWindowList); | |
| 7 | 1397 |
| 1398 if (PyErr_Occurred()) | |
| 1399 return -1; | |
| 1400 | |
| 1401 return 0; | |
| 1402 } | |
| 1403 | |
| 1404 /************************************************************************* | |
| 1405 * 4. Utility functions for handling the interface between Vim and Python. | |
| 1406 */ | |
| 1407 | |
| 1408 /* Convert a Vim line into a Python string. | |
| 1409 * All internal newlines are replaced by null characters. | |
| 1410 * | |
| 1411 * On errors, the Python exception data is set, and NULL is returned. | |
| 1412 */ | |
| 1413 static PyObject * | |
| 1414 LineToString(const char *str) | |
| 1415 { | |
| 1416 PyObject *result; | |
| 1594 | 1417 PyInt len = strlen(str); |
| 7 | 1418 char *p; |
| 1419 | |
| 1420 /* Allocate an Python string object, with uninitialised contents. We | |
| 1421 * must do it this way, so that we can modify the string in place | |
| 1422 * later. See the Python source, Objects/stringobject.c for details. | |
| 1423 */ | |
| 1424 result = PyString_FromStringAndSize(NULL, len); | |
| 1425 if (result == NULL) | |
| 1426 return NULL; | |
| 1427 | |
| 1428 p = PyString_AsString(result); | |
| 1429 | |
| 1430 while (*str) | |
| 1431 { | |
| 1432 if (*str == '\n') | |
| 1433 *p = '\0'; | |
| 1434 else | |
| 1435 *p = *str; | |
| 1436 | |
| 1437 ++p; | |
| 1438 ++str; | |
| 1439 } | |
| 1440 | |
| 1441 return result; | |
| 1442 } | |
| 1443 | |
| 1444 | |
| 1445 /* Don't generate a prototype for the next function, it generates an error on | |
| 1446 * newer Python versions. */ | |
| 1447 #if PYTHON_API_VERSION < 1007 /* Python 1.4 */ && !defined(PROTO) | |
| 1448 | |
| 1449 char * | |
| 1450 Py_GetProgramName(void) | |
| 1451 { | |
| 1452 return "vim"; | |
| 1453 } | |
| 1454 #endif /* Python 1.4 */ | |
|
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1455 |
|
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1456 static void |
|
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1457 init_structs(void) |
|
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1458 { |
|
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1459 vim_memset(&OutputType, 0, sizeof(OutputType)); |
|
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|
1460 OutputType.tp_name = "message"; |
|
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1461 OutputType.tp_basicsize = sizeof(OutputObject); |
|
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1462 OutputType.tp_getattr = OutputGetattr; |
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|
1463 OutputType.tp_setattr = OutputSetattr; |
|
2447
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1464 |
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1465 vim_memset(&RangeType, 0, sizeof(RangeType)); |
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1466 RangeType.tp_name = "range"; |
|
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1467 RangeType.tp_basicsize = sizeof(RangeObject); |
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1468 RangeType.tp_dealloc = RangeDestructor; |
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1469 RangeType.tp_getattr = RangeGetattr; |
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1470 RangeType.tp_repr = RangeRepr; |
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1471 RangeType.tp_as_sequence = &RangeAsSeq; |
|
2399
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1472 } |