Mercurial > vim
annotate src/if_python.c @ 2737:329a9676040c v7.3.145
updated for version 7.3.145
Problem: Can't build with Python dynamically loading.
Solution: Add dll_PyType_Ready.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Sat, 26 Mar 2011 18:32:05 +0100 |
| parents | 322a5c8d392b |
| children | fe9c7da98b5e |
| 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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Add the conceal patch from Vince Negri.
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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 |
| 7 | 59 #if !defined(FEAT_PYTHON) && defined(PROTO) |
| 60 /* Use this to be able to generate prototypes without python being used. */ | |
| 1607 | 61 # define PyObject Py_ssize_t |
| 62 # define PyThreadState Py_ssize_t | |
| 63 # define PyTypeObject Py_ssize_t | |
| 64 struct PyMethodDef { Py_ssize_t a; }; | |
| 65 # define PySequenceMethods Py_ssize_t | |
| 7 | 66 #endif |
| 67 | |
| 1594 | 68 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02050000 |
| 69 # define PyInt Py_ssize_t | |
| 70 # define PyInquiry lenfunc | |
| 71 # define PyIntArgFunc ssizeargfunc | |
| 72 # define PyIntIntArgFunc ssizessizeargfunc | |
| 73 # define PyIntObjArgProc ssizeobjargproc | |
| 74 # define PyIntIntObjArgProc ssizessizeobjargproc | |
| 1607 | 75 # define Py_ssize_t_fmt "n" |
| 1594 | 76 #else |
| 77 # define PyInt int | |
| 78 # define PyInquiry inquiry | |
| 79 # define PyIntArgFunc intargfunc | |
| 80 # define PyIntIntArgFunc intintargfunc | |
| 81 # define PyIntObjArgProc intobjargproc | |
| 82 # define PyIntIntObjArgProc intintobjargproc | |
| 1607 | 83 # define Py_ssize_t_fmt "i" |
| 1594 | 84 #endif |
| 85 | |
| 7 | 86 /* Parser flags */ |
| 87 #define single_input 256 | |
| 88 #define file_input 257 | |
| 89 #define eval_input 258 | |
| 90 | |
| 91 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x020300F0 | |
| 92 /* Python 2.3: can invoke ":python" recursively. */ | |
| 93 # define PY_CAN_RECURSE | |
| 94 #endif | |
| 95 | |
|
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96 # if defined(DYNAMIC_PYTHON) || defined(PROTO) |
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97 # ifndef DYNAMIC_PYTHON |
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98 # define HINSTANCE long_u /* for generating prototypes */ |
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99 # endif |
| 7 | 100 |
|
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101 # ifndef WIN3264 |
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102 # include <dlfcn.h> |
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103 # define FARPROC void* |
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104 # define HINSTANCE void* |
| 2641 | 105 # if defined(PY_NO_RTLD_GLOBAL) && defined(PY3_NO_RTLD_GLOBAL) |
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106 # define load_dll(n) dlopen((n), RTLD_LAZY) |
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107 # else |
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108 # define load_dll(n) dlopen((n), RTLD_LAZY|RTLD_GLOBAL) |
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109 # endif |
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110 # define close_dll dlclose |
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111 # define symbol_from_dll dlsym |
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112 # else |
| 2612 | 113 # define load_dll vimLoadLib |
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114 # define close_dll FreeLibrary |
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115 # define symbol_from_dll GetProcAddress |
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116 # endif |
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117 |
| 1607 | 118 /* This makes if_python.c compile without warnings against Python 2.5 |
| 119 * on Win32 and Win64. */ | |
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120 # undef PyRun_SimpleString |
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121 # undef PyArg_Parse |
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122 # undef PyArg_ParseTuple |
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123 # undef Py_BuildValue |
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124 # undef Py_InitModule4 |
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125 # undef Py_InitModule4_64 |
| 1607 | 126 |
| 7 | 127 /* |
| 128 * Wrapper defines | |
| 129 */ | |
| 130 # define PyArg_Parse dll_PyArg_Parse | |
| 131 # define PyArg_ParseTuple dll_PyArg_ParseTuple | |
| 132 # define PyDict_SetItemString dll_PyDict_SetItemString | |
| 133 # define PyErr_BadArgument dll_PyErr_BadArgument | |
| 134 # define PyErr_Clear dll_PyErr_Clear | |
| 135 # define PyErr_NoMemory dll_PyErr_NoMemory | |
| 136 # define PyErr_Occurred dll_PyErr_Occurred | |
| 137 # define PyErr_SetNone dll_PyErr_SetNone | |
| 138 # define PyErr_SetString dll_PyErr_SetString | |
| 139 # define PyEval_InitThreads dll_PyEval_InitThreads | |
| 140 # define PyEval_RestoreThread dll_PyEval_RestoreThread | |
| 141 # define PyEval_SaveThread dll_PyEval_SaveThread | |
| 142 # ifdef PY_CAN_RECURSE | |
| 143 # define PyGILState_Ensure dll_PyGILState_Ensure | |
| 144 # define PyGILState_Release dll_PyGILState_Release | |
| 145 # endif | |
| 146 # define PyInt_AsLong dll_PyInt_AsLong | |
| 147 # define PyInt_FromLong dll_PyInt_FromLong | |
| 148 # define PyInt_Type (*dll_PyInt_Type) | |
| 149 # define PyList_GetItem dll_PyList_GetItem | |
| 637 | 150 # define PyList_Append dll_PyList_Append |
| 7 | 151 # define PyList_New dll_PyList_New |
| 152 # define PyList_SetItem dll_PyList_SetItem | |
| 153 # define PyList_Size dll_PyList_Size | |
| 154 # define PyList_Type (*dll_PyList_Type) | |
| 155 # define PyImport_ImportModule dll_PyImport_ImportModule | |
| 637 | 156 # define PyDict_New dll_PyDict_New |
| 7 | 157 # define PyDict_GetItemString dll_PyDict_GetItemString |
| 158 # define PyModule_GetDict dll_PyModule_GetDict | |
| 159 # define PyRun_SimpleString dll_PyRun_SimpleString | |
| 160 # define PyString_AsString dll_PyString_AsString | |
| 161 # define PyString_FromString dll_PyString_FromString | |
| 162 # define PyString_FromStringAndSize dll_PyString_FromStringAndSize | |
| 163 # define PyString_Size dll_PyString_Size | |
| 164 # define PyString_Type (*dll_PyString_Type) | |
| 165 # define PySys_SetObject dll_PySys_SetObject | |
| 166 # define PySys_SetArgv dll_PySys_SetArgv | |
| 167 # define PyType_Type (*dll_PyType_Type) | |
| 2737 | 168 # define PyType_Ready (*dll_PyType_Ready) |
| 7 | 169 # define Py_BuildValue dll_Py_BuildValue |
| 170 # define Py_FindMethod dll_Py_FindMethod | |
| 171 # define Py_InitModule4 dll_Py_InitModule4 | |
| 2641 | 172 # define Py_SetPythonHome dll_Py_SetPythonHome |
| 7 | 173 # define Py_Initialize dll_Py_Initialize |
| 242 | 174 # define Py_Finalize dll_Py_Finalize |
| 175 # define Py_IsInitialized dll_Py_IsInitialized | |
| 7 | 176 # define _PyObject_New dll__PyObject_New |
| 177 # define _Py_NoneStruct (*dll__Py_NoneStruct) | |
| 178 # define PyObject_Init dll__PyObject_Init | |
| 179 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 | |
| 180 # define PyType_IsSubtype dll_PyType_IsSubtype | |
| 181 # endif | |
| 182 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 | |
| 183 # define PyObject_Malloc dll_PyObject_Malloc | |
| 184 # define PyObject_Free dll_PyObject_Free | |
| 185 # endif | |
| 186 | |
| 187 /* | |
| 188 * Pointers for dynamic link | |
| 189 */ | |
| 190 static int(*dll_PyArg_Parse)(PyObject *, char *, ...); | |
| 191 static int(*dll_PyArg_ParseTuple)(PyObject *, char *, ...); | |
| 192 static int(*dll_PyDict_SetItemString)(PyObject *dp, char *key, PyObject *item); | |
| 193 static int(*dll_PyErr_BadArgument)(void); | |
| 194 static void(*dll_PyErr_Clear)(void); | |
| 195 static PyObject*(*dll_PyErr_NoMemory)(void); | |
| 196 static PyObject*(*dll_PyErr_Occurred)(void); | |
| 197 static void(*dll_PyErr_SetNone)(PyObject *); | |
| 198 static void(*dll_PyErr_SetString)(PyObject *, const char *); | |
| 199 static void(*dll_PyEval_InitThreads)(void); | |
| 200 static void(*dll_PyEval_RestoreThread)(PyThreadState *); | |
| 201 static PyThreadState*(*dll_PyEval_SaveThread)(void); | |
| 202 # ifdef PY_CAN_RECURSE | |
| 203 static PyGILState_STATE (*dll_PyGILState_Ensure)(void); | |
| 204 static void (*dll_PyGILState_Release)(PyGILState_STATE); | |
| 205 #endif | |
| 206 static long(*dll_PyInt_AsLong)(PyObject *); | |
| 207 static PyObject*(*dll_PyInt_FromLong)(long); | |
| 208 static PyTypeObject* dll_PyInt_Type; | |
| 1594 | 209 static PyObject*(*dll_PyList_GetItem)(PyObject *, PyInt); |
| 637 | 210 static PyObject*(*dll_PyList_Append)(PyObject *, PyObject *); |
| 1594 | 211 static PyObject*(*dll_PyList_New)(PyInt size); |
| 212 static int(*dll_PyList_SetItem)(PyObject *, PyInt, PyObject *); | |
| 213 static PyInt(*dll_PyList_Size)(PyObject *); | |
| 7 | 214 static PyTypeObject* dll_PyList_Type; |
| 215 static PyObject*(*dll_PyImport_ImportModule)(const char *); | |
| 637 | 216 static PyObject*(*dll_PyDict_New)(void); |
| 7 | 217 static PyObject*(*dll_PyDict_GetItemString)(PyObject *, const char *); |
| 218 static PyObject*(*dll_PyModule_GetDict)(PyObject *); | |
| 219 static int(*dll_PyRun_SimpleString)(char *); | |
| 220 static char*(*dll_PyString_AsString)(PyObject *); | |
| 221 static PyObject*(*dll_PyString_FromString)(const char *); | |
| 1594 | 222 static PyObject*(*dll_PyString_FromStringAndSize)(const char *, PyInt); |
| 223 static PyInt(*dll_PyString_Size)(PyObject *); | |
| 7 | 224 static PyTypeObject* dll_PyString_Type; |
| 225 static int(*dll_PySys_SetObject)(char *, PyObject *); | |
| 226 static int(*dll_PySys_SetArgv)(int, char **); | |
| 227 static PyTypeObject* dll_PyType_Type; | |
| 2737 | 228 static int (*dll_PyType_Ready)(PyTypeObject *type); |
| 7 | 229 static PyObject*(*dll_Py_BuildValue)(char *, ...); |
| 230 static PyObject*(*dll_Py_FindMethod)(struct PyMethodDef[], PyObject *, char *); | |
| 231 static PyObject*(*dll_Py_InitModule4)(char *, struct PyMethodDef *, char *, PyObject *, int); | |
| 2641 | 232 static void(*dll_Py_SetPythonHome)(char *home); |
| 7 | 233 static void(*dll_Py_Initialize)(void); |
| 242 | 234 static void(*dll_Py_Finalize)(void); |
| 235 static int(*dll_Py_IsInitialized)(void); | |
| 7 | 236 static PyObject*(*dll__PyObject_New)(PyTypeObject *, PyObject *); |
| 237 static PyObject*(*dll__PyObject_Init)(PyObject *, PyTypeObject *); | |
| 238 static PyObject* dll__Py_NoneStruct; | |
| 239 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 | |
| 240 static int (*dll_PyType_IsSubtype)(PyTypeObject *, PyTypeObject *); | |
| 241 # endif | |
| 242 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 | |
| 243 static void* (*dll_PyObject_Malloc)(size_t); | |
| 244 static void (*dll_PyObject_Free)(void*); | |
| 245 # endif | |
| 246 | |
| 247 static HINSTANCE hinstPython = 0; /* Instance of python.dll */ | |
| 248 | |
| 249 /* Imported exception objects */ | |
| 250 static PyObject *imp_PyExc_AttributeError; | |
| 251 static PyObject *imp_PyExc_IndexError; | |
| 252 static PyObject *imp_PyExc_KeyboardInterrupt; | |
| 253 static PyObject *imp_PyExc_TypeError; | |
| 254 static PyObject *imp_PyExc_ValueError; | |
| 255 | |
| 256 # define PyExc_AttributeError imp_PyExc_AttributeError | |
| 257 # define PyExc_IndexError imp_PyExc_IndexError | |
| 258 # define PyExc_KeyboardInterrupt imp_PyExc_KeyboardInterrupt | |
| 259 # define PyExc_TypeError imp_PyExc_TypeError | |
| 260 # define PyExc_ValueError imp_PyExc_ValueError | |
| 261 | |
| 262 /* | |
| 263 * Table of name to function pointer of python. | |
| 264 */ | |
| 265 # define PYTHON_PROC FARPROC | |
| 266 static struct | |
| 267 { | |
| 268 char *name; | |
| 269 PYTHON_PROC *ptr; | |
| 270 } python_funcname_table[] = | |
| 271 { | |
| 272 {"PyArg_Parse", (PYTHON_PROC*)&dll_PyArg_Parse}, | |
| 273 {"PyArg_ParseTuple", (PYTHON_PROC*)&dll_PyArg_ParseTuple}, | |
| 274 {"PyDict_SetItemString", (PYTHON_PROC*)&dll_PyDict_SetItemString}, | |
| 275 {"PyErr_BadArgument", (PYTHON_PROC*)&dll_PyErr_BadArgument}, | |
| 276 {"PyErr_Clear", (PYTHON_PROC*)&dll_PyErr_Clear}, | |
| 277 {"PyErr_NoMemory", (PYTHON_PROC*)&dll_PyErr_NoMemory}, | |
| 278 {"PyErr_Occurred", (PYTHON_PROC*)&dll_PyErr_Occurred}, | |
| 279 {"PyErr_SetNone", (PYTHON_PROC*)&dll_PyErr_SetNone}, | |
| 280 {"PyErr_SetString", (PYTHON_PROC*)&dll_PyErr_SetString}, | |
| 281 {"PyEval_InitThreads", (PYTHON_PROC*)&dll_PyEval_InitThreads}, | |
| 282 {"PyEval_RestoreThread", (PYTHON_PROC*)&dll_PyEval_RestoreThread}, | |
| 283 {"PyEval_SaveThread", (PYTHON_PROC*)&dll_PyEval_SaveThread}, | |
| 284 # ifdef PY_CAN_RECURSE | |
| 285 {"PyGILState_Ensure", (PYTHON_PROC*)&dll_PyGILState_Ensure}, | |
| 286 {"PyGILState_Release", (PYTHON_PROC*)&dll_PyGILState_Release}, | |
| 287 # endif | |
| 288 {"PyInt_AsLong", (PYTHON_PROC*)&dll_PyInt_AsLong}, | |
| 289 {"PyInt_FromLong", (PYTHON_PROC*)&dll_PyInt_FromLong}, | |
| 290 {"PyInt_Type", (PYTHON_PROC*)&dll_PyInt_Type}, | |
| 291 {"PyList_GetItem", (PYTHON_PROC*)&dll_PyList_GetItem}, | |
| 637 | 292 {"PyList_Append", (PYTHON_PROC*)&dll_PyList_Append}, |
| 7 | 293 {"PyList_New", (PYTHON_PROC*)&dll_PyList_New}, |
| 294 {"PyList_SetItem", (PYTHON_PROC*)&dll_PyList_SetItem}, | |
| 295 {"PyList_Size", (PYTHON_PROC*)&dll_PyList_Size}, | |
| 296 {"PyList_Type", (PYTHON_PROC*)&dll_PyList_Type}, | |
| 297 {"PyImport_ImportModule", (PYTHON_PROC*)&dll_PyImport_ImportModule}, | |
| 298 {"PyDict_GetItemString", (PYTHON_PROC*)&dll_PyDict_GetItemString}, | |
| 637 | 299 {"PyDict_New", (PYTHON_PROC*)&dll_PyDict_New}, |
| 7 | 300 {"PyModule_GetDict", (PYTHON_PROC*)&dll_PyModule_GetDict}, |
| 301 {"PyRun_SimpleString", (PYTHON_PROC*)&dll_PyRun_SimpleString}, | |
| 302 {"PyString_AsString", (PYTHON_PROC*)&dll_PyString_AsString}, | |
| 303 {"PyString_FromString", (PYTHON_PROC*)&dll_PyString_FromString}, | |
| 304 {"PyString_FromStringAndSize", (PYTHON_PROC*)&dll_PyString_FromStringAndSize}, | |
| 305 {"PyString_Size", (PYTHON_PROC*)&dll_PyString_Size}, | |
| 306 {"PyString_Type", (PYTHON_PROC*)&dll_PyString_Type}, | |
| 307 {"PySys_SetObject", (PYTHON_PROC*)&dll_PySys_SetObject}, | |
| 308 {"PySys_SetArgv", (PYTHON_PROC*)&dll_PySys_SetArgv}, | |
| 309 {"PyType_Type", (PYTHON_PROC*)&dll_PyType_Type}, | |
| 2737 | 310 {"PyType_Ready", (PYTHON_PROC*)&dll_PyType_Ready}, |
| 7 | 311 {"Py_BuildValue", (PYTHON_PROC*)&dll_Py_BuildValue}, |
| 312 {"Py_FindMethod", (PYTHON_PROC*)&dll_Py_FindMethod}, | |
| 1607 | 313 # if (PY_VERSION_HEX >= 0x02050000) && SIZEOF_SIZE_T != SIZEOF_INT |
| 314 {"Py_InitModule4_64", (PYTHON_PROC*)&dll_Py_InitModule4}, | |
| 315 # else | |
| 7 | 316 {"Py_InitModule4", (PYTHON_PROC*)&dll_Py_InitModule4}, |
| 1607 | 317 # endif |
| 2641 | 318 {"Py_SetPythonHome", (PYTHON_PROC*)&dll_Py_SetPythonHome}, |
| 7 | 319 {"Py_Initialize", (PYTHON_PROC*)&dll_Py_Initialize}, |
| 242 | 320 {"Py_Finalize", (PYTHON_PROC*)&dll_Py_Finalize}, |
| 321 {"Py_IsInitialized", (PYTHON_PROC*)&dll_Py_IsInitialized}, | |
| 7 | 322 {"_PyObject_New", (PYTHON_PROC*)&dll__PyObject_New}, |
| 323 {"PyObject_Init", (PYTHON_PROC*)&dll__PyObject_Init}, | |
| 324 {"_Py_NoneStruct", (PYTHON_PROC*)&dll__Py_NoneStruct}, | |
| 325 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 | |
| 326 {"PyType_IsSubtype", (PYTHON_PROC*)&dll_PyType_IsSubtype}, | |
| 327 # endif | |
| 328 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 | |
| 329 {"PyObject_Malloc", (PYTHON_PROC*)&dll_PyObject_Malloc}, | |
| 330 {"PyObject_Free", (PYTHON_PROC*)&dll_PyObject_Free}, | |
| 331 # endif | |
| 332 {"", NULL}, | |
| 333 }; | |
| 334 | |
| 335 /* | |
| 336 * Free python.dll | |
| 337 */ | |
| 338 static void | |
| 339 end_dynamic_python(void) | |
| 340 { | |
| 341 if (hinstPython) | |
| 342 { | |
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343 close_dll(hinstPython); |
| 7 | 344 hinstPython = 0; |
| 345 } | |
| 346 } | |
| 347 | |
| 348 /* | |
| 349 * Load library and get all pointers. | |
| 350 * Parameter 'libname' provides name of DLL. | |
| 351 * Return OK or FAIL. | |
| 352 */ | |
| 353 static int | |
| 354 python_runtime_link_init(char *libname, int verbose) | |
| 355 { | |
| 356 int i; | |
| 357 | |
| 2641 | 358 #if !(defined(PY_NO_RTLD_GLOBAL) && defined(PY3_NO_RTLD_GLOBAL)) && defined(UNIX) && defined(FEAT_PYTHON3) |
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359 /* Can't have Python and Python3 loaded at the same time. |
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360 * It cause a crash, because RTLD_GLOBAL is needed for |
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361 * standard C extension libraries of one or both python versions. */ |
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362 if (python3_loaded()) |
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363 { |
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364 EMSG(_("E836: This Vim cannot execute :python after using :py3")); |
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365 return FAIL; |
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366 } |
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367 #endif |
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368 |
| 7 | 369 if (hinstPython) |
| 370 return OK; | |
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371 hinstPython = load_dll(libname); |
| 7 | 372 if (!hinstPython) |
| 373 { | |
| 374 if (verbose) | |
| 375 EMSG2(_(e_loadlib), libname); | |
| 376 return FAIL; | |
| 377 } | |
| 378 | |
| 379 for (i = 0; python_funcname_table[i].ptr; ++i) | |
| 380 { | |
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381 if ((*python_funcname_table[i].ptr = symbol_from_dll(hinstPython, |
| 7 | 382 python_funcname_table[i].name)) == NULL) |
| 383 { | |
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384 close_dll(hinstPython); |
| 7 | 385 hinstPython = 0; |
| 386 if (verbose) | |
| 387 EMSG2(_(e_loadfunc), python_funcname_table[i].name); | |
| 388 return FAIL; | |
| 389 } | |
| 390 } | |
| 391 return OK; | |
| 392 } | |
| 393 | |
| 394 /* | |
| 395 * If python is enabled (there is installed python on Windows system) return | |
| 396 * TRUE, else FALSE. | |
| 397 */ | |
| 398 int | |
| 1607 | 399 python_enabled(int verbose) |
| 7 | 400 { |
| 401 return python_runtime_link_init(DYNAMIC_PYTHON_DLL, verbose) == OK; | |
| 402 } | |
| 403 | |
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404 /* |
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405 * Load the standard Python exceptions - don't import the symbols from the |
| 7 | 406 * DLL, as this can cause errors (importing data symbols is not reliable). |
| 407 */ | |
| 408 static void | |
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409 get_exceptions(void) |
| 7 | 410 { |
| 411 PyObject *exmod = PyImport_ImportModule("exceptions"); | |
| 412 PyObject *exdict = PyModule_GetDict(exmod); | |
| 413 imp_PyExc_AttributeError = PyDict_GetItemString(exdict, "AttributeError"); | |
| 414 imp_PyExc_IndexError = PyDict_GetItemString(exdict, "IndexError"); | |
| 415 imp_PyExc_KeyboardInterrupt = PyDict_GetItemString(exdict, "KeyboardInterrupt"); | |
| 416 imp_PyExc_TypeError = PyDict_GetItemString(exdict, "TypeError"); | |
| 417 imp_PyExc_ValueError = PyDict_GetItemString(exdict, "ValueError"); | |
| 418 Py_XINCREF(imp_PyExc_AttributeError); | |
| 419 Py_XINCREF(imp_PyExc_IndexError); | |
| 420 Py_XINCREF(imp_PyExc_KeyboardInterrupt); | |
| 421 Py_XINCREF(imp_PyExc_TypeError); | |
| 422 Py_XINCREF(imp_PyExc_ValueError); | |
| 423 Py_XDECREF(exmod); | |
| 424 } | |
| 425 #endif /* DYNAMIC_PYTHON */ | |
| 426 | |
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427 static PyObject *BufferNew (buf_T *); |
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428 static PyObject *WindowNew(win_T *); |
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429 static PyObject *LineToString(const char *); |
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430 |
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431 static PyTypeObject RangeType; |
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432 |
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433 /* |
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434 * Include the code shared with if_python3.c |
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435 */ |
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436 #include "if_py_both.h" |
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437 |
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438 |
| 7 | 439 /****************************************************** |
| 440 * Internal function prototypes. | |
| 441 */ | |
| 442 | |
| 1607 | 443 static PyInt RangeStart; |
| 444 static PyInt RangeEnd; | |
| 7 | 445 |
| 446 static void PythonIO_Flush(void); | |
| 447 static int PythonIO_Init(void); | |
| 448 static int PythonMod_Init(void); | |
| 449 | |
| 450 /* Utility functions for the vim/python interface | |
| 451 * ---------------------------------------------- | |
| 452 */ | |
| 453 | |
| 1607 | 454 static int SetBufferLineList(buf_T *, PyInt, PyInt, PyObject *, PyInt *); |
| 7 | 455 |
| 456 | |
| 457 /****************************************************** | |
| 458 * 1. Python interpreter main program. | |
| 459 */ | |
| 460 | |
| 461 static int initialised = 0; | |
| 462 | |
| 463 #if PYTHON_API_VERSION < 1007 /* Python 1.4 */ | |
| 464 typedef PyObject PyThreadState; | |
| 323 | 465 #endif |
| 466 | |
| 467 #ifdef PY_CAN_RECURSE | |
| 468 static PyGILState_STATE pygilstate = PyGILState_UNLOCKED; | |
| 469 #else | |
| 36 | 470 static PyThreadState *saved_python_thread = NULL; |
| 323 | 471 #endif |
| 7 | 472 |
| 473 /* | |
| 474 * Suspend a thread of the Python interpreter, other threads are allowed to | |
| 475 * run. | |
| 476 */ | |
| 36 | 477 static void |
| 478 Python_SaveThread(void) | |
| 7 | 479 { |
| 323 | 480 #ifdef PY_CAN_RECURSE |
| 481 PyGILState_Release(pygilstate); | |
| 482 #else | |
| 7 | 483 saved_python_thread = PyEval_SaveThread(); |
| 323 | 484 #endif |
| 7 | 485 } |
| 486 | |
| 487 /* | |
| 488 * Restore a thread of the Python interpreter, waits for other threads to | |
| 489 * block. | |
| 490 */ | |
| 36 | 491 static void |
| 492 Python_RestoreThread(void) | |
| 7 | 493 { |
| 323 | 494 #ifdef PY_CAN_RECURSE |
| 495 pygilstate = PyGILState_Ensure(); | |
| 496 #else | |
| 7 | 497 PyEval_RestoreThread(saved_python_thread); |
| 498 saved_python_thread = NULL; | |
| 323 | 499 #endif |
| 7 | 500 } |
| 501 | |
| 502 void | |
| 503 python_end() | |
| 504 { | |
| 557 | 505 static int recurse = 0; |
| 506 | |
| 507 /* If a crash occurs while doing this, don't try again. */ | |
| 508 if (recurse != 0) | |
| 509 return; | |
| 510 | |
| 511 ++recurse; | |
| 512 | |
| 7 | 513 #ifdef DYNAMIC_PYTHON |
| 242 | 514 if (hinstPython && Py_IsInitialized()) |
| 323 | 515 { |
| 856 | 516 Python_RestoreThread(); /* enter python */ |
| 517 Py_Finalize(); | |
| 323 | 518 } |
| 7 | 519 end_dynamic_python(); |
| 242 | 520 #else |
| 521 if (Py_IsInitialized()) | |
| 323 | 522 { |
| 856 | 523 Python_RestoreThread(); /* enter python */ |
| 524 Py_Finalize(); | |
| 323 | 525 } |
| 7 | 526 #endif |
| 557 | 527 |
| 528 --recurse; | |
| 7 | 529 } |
| 530 | |
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531 #if (defined(DYNAMIC_PYTHON) && defined(FEAT_PYTHON3)) || defined(PROTO) |
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532 int |
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533 python_loaded() |
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534 { |
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535 return (hinstPython != 0); |
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536 } |
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537 #endif |
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538 |
| 7 | 539 static int |
| 540 Python_Init(void) | |
| 541 { | |
| 542 if (!initialised) | |
| 543 { | |
| 544 #ifdef DYNAMIC_PYTHON | |
| 545 if (!python_enabled(TRUE)) | |
| 546 { | |
| 547 EMSG(_("E263: Sorry, this command is disabled, the Python library could not be loaded.")); | |
| 548 goto fail; | |
| 549 } | |
| 550 #endif | |
| 551 | |
| 2641 | 552 #ifdef PYTHON_HOME |
| 553 Py_SetPythonHome(PYTHON_HOME); | |
| 554 #endif | |
| 555 | |
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556 init_structs(); |
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557 |
| 7 | 558 #if !defined(MACOS) || defined(MACOS_X_UNIX) |
| 559 Py_Initialize(); | |
| 560 #else | |
| 561 PyMac_Initialize(); | |
| 562 #endif | |
| 563 /* initialise threads */ | |
| 564 PyEval_InitThreads(); | |
| 565 | |
| 566 #ifdef DYNAMIC_PYTHON | |
| 567 get_exceptions(); | |
| 568 #endif | |
| 569 | |
| 570 if (PythonIO_Init()) | |
| 571 goto fail; | |
| 572 | |
| 573 if (PythonMod_Init()) | |
| 574 goto fail; | |
| 575 | |
| 1748 | 576 /* Remove the element from sys.path that was added because of our |
| 577 * argv[0] value in PythonMod_Init(). Previously we used an empty | |
| 578 * string, but dependinding on the OS we then get an empty entry or | |
| 579 * the current directory in sys.path. */ | |
| 580 PyRun_SimpleString("import sys; sys.path = filter(lambda x: x != '/must>not&exist', sys.path)"); | |
| 581 | |
| 36 | 582 /* the first python thread is vim's, release the lock */ |
| 7 | 583 Python_SaveThread(); |
| 584 | |
| 585 initialised = 1; | |
| 586 } | |
| 587 | |
| 588 return 0; | |
| 589 | |
| 590 fail: | |
| 591 /* We call PythonIO_Flush() here to print any Python errors. | |
| 592 * This is OK, as it is possible to call this function even | |
| 593 * if PythonIO_Init() has not completed successfully (it will | |
| 594 * not do anything in this case). | |
| 595 */ | |
| 596 PythonIO_Flush(); | |
| 597 return -1; | |
| 598 } | |
| 599 | |
| 600 /* | |
| 601 * External interface | |
| 602 */ | |
| 603 static void | |
| 604 DoPythonCommand(exarg_T *eap, const char *cmd) | |
| 605 { | |
| 323 | 606 #ifndef PY_CAN_RECURSE |
| 7 | 607 static int recursive = 0; |
| 608 #endif | |
| 609 #if defined(MACOS) && !defined(MACOS_X_UNIX) | |
| 610 GrafPtr oldPort; | |
| 611 #endif | |
| 612 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) | |
| 613 char *saved_locale; | |
| 614 #endif | |
| 615 | |
| 616 #ifndef PY_CAN_RECURSE | |
| 617 if (recursive) | |
| 618 { | |
| 619 EMSG(_("E659: Cannot invoke Python recursively")); | |
| 620 return; | |
| 621 } | |
| 622 ++recursive; | |
| 623 #endif | |
| 624 | |
| 625 #if defined(MACOS) && !defined(MACOS_X_UNIX) | |
| 626 GetPort(&oldPort); | |
| 627 /* Check if the Python library is available */ | |
| 628 if ((Ptr)PyMac_Initialize == (Ptr)kUnresolvedCFragSymbolAddress) | |
| 629 goto theend; | |
| 630 #endif | |
| 631 if (Python_Init()) | |
| 632 goto theend; | |
| 633 | |
| 634 RangeStart = eap->line1; | |
| 635 RangeEnd = eap->line2; | |
| 636 Python_Release_Vim(); /* leave vim */ | |
| 637 | |
| 638 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) | |
| 639 /* Python only works properly when the LC_NUMERIC locale is "C". */ | |
| 640 saved_locale = setlocale(LC_NUMERIC, NULL); | |
| 641 if (saved_locale == NULL || STRCMP(saved_locale, "C") == 0) | |
| 642 saved_locale = NULL; | |
| 643 else | |
| 644 { | |
| 645 /* Need to make a copy, value may change when setting new locale. */ | |
| 646 saved_locale = (char *)vim_strsave((char_u *)saved_locale); | |
| 647 (void)setlocale(LC_NUMERIC, "C"); | |
| 648 } | |
| 649 #endif | |
| 650 | |
| 651 Python_RestoreThread(); /* enter python */ | |
| 652 | |
| 653 PyRun_SimpleString((char *)(cmd)); | |
| 654 | |
| 655 Python_SaveThread(); /* leave python */ | |
| 656 | |
| 657 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) | |
| 658 if (saved_locale != NULL) | |
| 659 { | |
| 660 (void)setlocale(LC_NUMERIC, saved_locale); | |
| 661 vim_free(saved_locale); | |
| 662 } | |
| 663 #endif | |
| 664 | |
| 665 Python_Lock_Vim(); /* enter vim */ | |
| 666 PythonIO_Flush(); | |
| 667 #if defined(MACOS) && !defined(MACOS_X_UNIX) | |
| 668 SetPort(oldPort); | |
| 669 #endif | |
| 670 | |
| 671 theend: | |
| 672 #ifndef PY_CAN_RECURSE | |
| 673 --recursive; | |
| 674 #endif | |
| 675 return; /* keeps lint happy */ | |
| 676 } | |
| 677 | |
| 678 /* | |
| 679 * ":python" | |
| 680 */ | |
| 681 void | |
| 682 ex_python(exarg_T *eap) | |
| 683 { | |
| 684 char_u *script; | |
| 685 | |
| 686 script = script_get(eap, eap->arg); | |
| 687 if (!eap->skip) | |
| 688 { | |
| 689 if (script == NULL) | |
| 690 DoPythonCommand(eap, (char *)eap->arg); | |
| 691 else | |
| 692 DoPythonCommand(eap, (char *)script); | |
| 693 } | |
| 694 vim_free(script); | |
| 695 } | |
| 696 | |
| 697 #define BUFFER_SIZE 1024 | |
| 698 | |
| 699 /* | |
| 700 * ":pyfile" | |
| 701 */ | |
| 702 void | |
| 703 ex_pyfile(exarg_T *eap) | |
| 704 { | |
| 705 static char buffer[BUFFER_SIZE]; | |
| 706 const char *file = (char *)eap->arg; | |
| 707 char *p; | |
| 708 | |
| 709 /* Have to do it like this. PyRun_SimpleFile requires you to pass a | |
| 710 * stdio file pointer, but Vim and the Python DLL are compiled with | |
| 711 * different options under Windows, meaning that stdio pointers aren't | |
| 712 * compatible between the two. Yuk. | |
| 713 * | |
| 714 * Put the string "execfile('file')" into buffer. But, we need to | |
| 715 * escape any backslashes or single quotes in the file name, so that | |
| 716 * Python won't mangle the file name. | |
| 717 */ | |
| 718 strcpy(buffer, "execfile('"); | |
| 719 p = buffer + 10; /* size of "execfile('" */ | |
| 720 | |
| 721 while (*file && p < buffer + (BUFFER_SIZE - 3)) | |
| 722 { | |
| 723 if (*file == '\\' || *file == '\'') | |
| 724 *p++ = '\\'; | |
| 725 *p++ = *file++; | |
| 726 } | |
| 727 | |
| 728 /* If we didn't finish the file name, we hit a buffer overflow */ | |
| 729 if (*file != '\0') | |
| 730 return; | |
| 731 | |
| 732 /* Put in the terminating "')" and a null */ | |
| 733 *p++ = '\''; | |
| 734 *p++ = ')'; | |
| 735 *p++ = '\0'; | |
| 736 | |
| 737 /* Execute the file */ | |
| 738 DoPythonCommand(eap, buffer); | |
| 739 } | |
| 740 | |
| 741 /****************************************************** | |
| 742 * 2. Python output stream: writes output via [e]msg(). | |
| 743 */ | |
| 744 | |
| 745 /* Implementation functions | |
| 746 */ | |
| 747 | |
| 748 static PyObject * | |
| 749 OutputGetattr(PyObject *self, char *name) | |
| 750 { | |
| 751 if (strcmp(name, "softspace") == 0) | |
| 752 return PyInt_FromLong(((OutputObject *)(self))->softspace); | |
| 753 | |
| 754 return Py_FindMethod(OutputMethods, self, name); | |
| 755 } | |
| 756 | |
| 757 static int | |
| 758 OutputSetattr(PyObject *self, char *name, PyObject *val) | |
| 759 { | |
| 760 if (val == NULL) { | |
| 761 PyErr_SetString(PyExc_AttributeError, _("can't delete OutputObject attributes")); | |
| 762 return -1; | |
| 763 } | |
| 764 | |
| 765 if (strcmp(name, "softspace") == 0) | |
| 766 { | |
| 767 if (!PyInt_Check(val)) { | |
| 768 PyErr_SetString(PyExc_TypeError, _("softspace must be an integer")); | |
| 769 return -1; | |
| 770 } | |
| 771 | |
| 772 ((OutputObject *)(self))->softspace = PyInt_AsLong(val); | |
| 773 return 0; | |
| 774 } | |
| 775 | |
| 776 PyErr_SetString(PyExc_AttributeError, _("invalid attribute")); | |
| 777 return -1; | |
| 778 } | |
| 779 | |
| 780 /***************/ | |
| 781 | |
| 782 static int | |
| 783 PythonIO_Init(void) | |
| 784 { | |
| 785 /* Fixups... */ | |
| 2735 | 786 PyType_Ready(&OutputType); |
| 7 | 787 |
|
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|
788 return PythonIO_Init_io(); |
| 7 | 789 } |
| 790 | |
| 791 /****************************************************** | |
| 792 * 3. Implementation of the Vim module for Python | |
| 793 */ | |
| 794 | |
| 795 /* Window type - Implementation functions | |
| 796 * -------------------------------------- | |
| 797 */ | |
| 798 | |
| 799 #define WindowType_Check(obj) ((obj)->ob_type == &WindowType) | |
| 800 | |
| 801 static void WindowDestructor(PyObject *); | |
| 802 static PyObject *WindowGetattr(PyObject *, char *); | |
| 803 | |
| 804 /* Buffer type - Implementation functions | |
| 805 * -------------------------------------- | |
| 806 */ | |
| 807 | |
| 808 #define BufferType_Check(obj) ((obj)->ob_type == &BufferType) | |
| 809 | |
| 810 static void BufferDestructor(PyObject *); | |
| 811 static PyObject *BufferGetattr(PyObject *, char *); | |
| 812 static PyObject *BufferRepr(PyObject *); | |
| 813 | |
| 1594 | 814 static PyInt BufferLength(PyObject *); |
| 815 static PyObject *BufferItem(PyObject *, PyInt); | |
| 816 static PyObject *BufferSlice(PyObject *, PyInt, PyInt); | |
| 817 static PyInt BufferAssItem(PyObject *, PyInt, PyObject *); | |
| 818 static PyInt BufferAssSlice(PyObject *, PyInt, PyInt, PyObject *); | |
| 7 | 819 |
| 820 /* Line range type - Implementation functions | |
| 821 * -------------------------------------- | |
| 822 */ | |
| 823 | |
| 824 #define RangeType_Check(obj) ((obj)->ob_type == &RangeType) | |
| 825 | |
| 1594 | 826 static PyInt RangeAssItem(PyObject *, PyInt, PyObject *); |
| 827 static PyInt RangeAssSlice(PyObject *, PyInt, PyInt, PyObject *); | |
| 7 | 828 |
| 829 /* Current objects type - Implementation functions | |
| 830 * ----------------------------------------------- | |
| 831 */ | |
| 832 | |
| 833 static PyObject *CurrentGetattr(PyObject *, char *); | |
| 834 static int CurrentSetattr(PyObject *, char *, PyObject *); | |
| 835 | |
| 836 /* Common routines for buffers and line ranges | |
| 837 * ------------------------------------------- | |
| 838 */ | |
|
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|
839 |
| 1594 | 840 static PyInt |
| 1607 | 841 RBAssSlice(BufferObject *self, PyInt lo, PyInt hi, PyObject *val, PyInt start, PyInt end, PyInt *new_end) |
| 7 | 842 { |
| 1607 | 843 PyInt size; |
| 844 PyInt len_change; | |
| 7 | 845 |
| 846 /* Self must be a valid buffer */ | |
| 847 if (CheckBuffer(self)) | |
| 848 return -1; | |
| 849 | |
| 850 /* Sort out the slice range */ | |
| 851 size = end - start + 1; | |
| 852 | |
| 853 if (lo < 0) | |
| 854 lo = 0; | |
| 855 else if (lo > size) | |
| 856 lo = size; | |
| 857 if (hi < 0) | |
| 858 hi = 0; | |
| 859 if (hi < lo) | |
| 860 hi = lo; | |
| 861 else if (hi > size) | |
| 862 hi = size; | |
| 863 | |
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864 if (SetBufferLineList(self->buf, lo + start, hi + start, |
|
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|
865 val, &len_change) == FAIL) |
| 7 | 866 return -1; |
| 867 | |
| 868 if (new_end) | |
| 869 *new_end = end + len_change; | |
| 870 | |
| 871 return 0; | |
| 872 } | |
| 873 | |
| 874 static PySequenceMethods BufferAsSeq = { | |
| 1594 | 875 (PyInquiry) BufferLength, /* sq_length, len(x) */ |
| 7 | 876 (binaryfunc) 0, /* BufferConcat, */ /* sq_concat, x+y */ |
| 1594 | 877 (PyIntArgFunc) 0, /* BufferRepeat, */ /* sq_repeat, x*n */ |
| 878 (PyIntArgFunc) BufferItem, /* sq_item, x[i] */ | |
| 879 (PyIntIntArgFunc) BufferSlice, /* sq_slice, x[i:j] */ | |
| 880 (PyIntObjArgProc) BufferAssItem, /* sq_ass_item, x[i]=v */ | |
| 881 (PyIntIntObjArgProc) BufferAssSlice, /* sq_ass_slice, x[i:j]=v */ | |
| 7 | 882 }; |
| 883 | |
| 884 static PyTypeObject BufferType = { | |
| 885 PyObject_HEAD_INIT(0) | |
| 886 0, | |
| 887 "buffer", | |
| 888 sizeof(BufferObject), | |
| 889 0, | |
| 890 | |
| 891 (destructor) BufferDestructor, /* tp_dealloc, refcount==0 */ | |
| 892 (printfunc) 0, /* tp_print, print x */ | |
| 893 (getattrfunc) BufferGetattr, /* tp_getattr, x.attr */ | |
| 894 (setattrfunc) 0, /* tp_setattr, x.attr=v */ | |
| 895 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 896 (reprfunc) BufferRepr, /* tp_repr, `x`, print x */ | |
| 897 | |
| 898 0, /* as number */ | |
| 899 &BufferAsSeq, /* as sequence */ | |
| 900 0, /* as mapping */ | |
| 901 | |
| 902 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 903 (ternaryfunc) 0, /* tp_call, x() */ | |
| 904 (reprfunc) 0, /* tp_str, str(x) */ | |
| 905 }; | |
| 906 | |
| 907 /* Buffer object - Implementation | |
| 908 */ | |
| 909 | |
| 910 static PyObject * | |
| 911 BufferNew(buf_T *buf) | |
| 912 { | |
| 913 /* We need to handle deletion of buffers underneath us. | |
| 502 | 914 * If we add a "b_python_ref" field to the buf_T structure, |
| 7 | 915 * then we can get at it in buf_freeall() in vim. We then |
| 916 * need to create only ONE Python object per buffer - if | |
| 917 * we try to create a second, just INCREF the existing one | |
| 918 * and return it. The (single) Python object referring to | |
| 502 | 919 * the buffer is stored in "b_python_ref". |
| 7 | 920 * Question: what to do on a buf_freeall(). We'll probably |
| 921 * have to either delete the Python object (DECREF it to | |
| 922 * zero - a bad idea, as it leaves dangling refs!) or | |
| 923 * set the buf_T * value to an invalid value (-1?), which | |
| 924 * means we need checks in all access functions... Bah. | |
| 925 */ | |
| 926 | |
| 927 BufferObject *self; | |
| 928 | |
| 502 | 929 if (buf->b_python_ref != NULL) |
| 7 | 930 { |
| 502 | 931 self = buf->b_python_ref; |
| 7 | 932 Py_INCREF(self); |
| 933 } | |
| 934 else | |
| 935 { | |
| 936 self = PyObject_NEW(BufferObject, &BufferType); | |
| 937 if (self == NULL) | |
| 938 return NULL; | |
| 939 self->buf = buf; | |
| 502 | 940 buf->b_python_ref = self; |
| 7 | 941 } |
| 942 | |
| 943 return (PyObject *)(self); | |
| 944 } | |
| 945 | |
| 946 static void | |
| 947 BufferDestructor(PyObject *self) | |
| 948 { | |
| 949 BufferObject *this = (BufferObject *)(self); | |
| 950 | |
| 951 if (this->buf && this->buf != INVALID_BUFFER_VALUE) | |
| 502 | 952 this->buf->b_python_ref = NULL; |
| 7 | 953 |
| 986 | 954 Py_DECREF(self); |
| 7 | 955 } |
| 956 | |
| 957 static PyObject * | |
| 958 BufferGetattr(PyObject *self, char *name) | |
| 959 { | |
| 960 BufferObject *this = (BufferObject *)(self); | |
| 961 | |
| 962 if (CheckBuffer(this)) | |
| 963 return NULL; | |
| 964 | |
| 965 if (strcmp(name, "name") == 0) | |
| 1607 | 966 return Py_BuildValue("s", this->buf->b_ffname); |
| 7 | 967 else if (strcmp(name, "number") == 0) |
| 1607 | 968 return Py_BuildValue(Py_ssize_t_fmt, this->buf->b_fnum); |
| 7 | 969 else if (strcmp(name,"__members__") == 0) |
| 970 return Py_BuildValue("[ss]", "name", "number"); | |
| 971 else | |
| 972 return Py_FindMethod(BufferMethods, self, name); | |
| 973 } | |
| 974 | |
| 975 static PyObject * | |
| 976 BufferRepr(PyObject *self) | |
| 977 { | |
| 274 | 978 static char repr[100]; |
| 7 | 979 BufferObject *this = (BufferObject *)(self); |
| 980 | |
| 981 if (this->buf == INVALID_BUFFER_VALUE) | |
| 982 { | |
| 1607 | 983 vim_snprintf(repr, 100, _("<buffer object (deleted) at %p>"), (self)); |
| 7 | 984 return PyString_FromString(repr); |
| 985 } | |
| 986 else | |
| 987 { | |
| 988 char *name = (char *)this->buf->b_fname; | |
| 1607 | 989 PyInt len; |
| 7 | 990 |
| 991 if (name == NULL) | |
| 992 name = ""; | |
| 993 len = strlen(name); | |
| 994 | |
| 995 if (len > 35) | |
| 996 name = name + (35 - len); | |
| 997 | |
| 274 | 998 vim_snprintf(repr, 100, "<buffer %s%s>", len > 35 ? "..." : "", name); |
| 7 | 999 |
| 1000 return PyString_FromString(repr); | |
| 1001 } | |
| 1002 } | |
| 1003 | |
| 1004 /******************/ | |
| 1005 | |
| 1594 | 1006 static PyInt |
| 7 | 1007 BufferLength(PyObject *self) |
| 1008 { | |
| 1009 /* HOW DO WE SIGNAL AN ERROR FROM THIS FUNCTION? */ | |
| 1010 if (CheckBuffer((BufferObject *)(self))) | |
| 1011 return -1; /* ??? */ | |
| 1012 | |
| 1013 return (((BufferObject *)(self))->buf->b_ml.ml_line_count); | |
| 1014 } | |
| 1015 | |
| 1016 static PyObject * | |
| 1594 | 1017 BufferItem(PyObject *self, PyInt n) |
| 7 | 1018 { |
| 1019 return RBItem((BufferObject *)(self), n, 1, | |
| 1020 (int)((BufferObject *)(self))->buf->b_ml.ml_line_count); | |
| 1021 } | |
| 1022 | |
| 1023 static PyObject * | |
| 1594 | 1024 BufferSlice(PyObject *self, PyInt lo, PyInt hi) |
| 7 | 1025 { |
| 1026 return RBSlice((BufferObject *)(self), lo, hi, 1, | |
| 1027 (int)((BufferObject *)(self))->buf->b_ml.ml_line_count); | |
| 1028 } | |
| 1029 | |
| 1594 | 1030 static PyInt |
| 1031 BufferAssItem(PyObject *self, PyInt n, PyObject *val) | |
| 7 | 1032 { |
|
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|
1033 return RBAsItem((BufferObject *)(self), n, val, 1, |
| 1607 | 1034 (PyInt)((BufferObject *)(self))->buf->b_ml.ml_line_count, |
| 7 | 1035 NULL); |
| 1036 } | |
| 1037 | |
| 1594 | 1038 static PyInt |
| 1039 BufferAssSlice(PyObject *self, PyInt lo, PyInt hi, PyObject *val) | |
| 7 | 1040 { |
| 1041 return RBAssSlice((BufferObject *)(self), lo, hi, val, 1, | |
| 1607 | 1042 (PyInt)((BufferObject *)(self))->buf->b_ml.ml_line_count, |
| 7 | 1043 NULL); |
| 1044 } | |
| 1045 | |
| 1046 static PySequenceMethods RangeAsSeq = { | |
| 1594 | 1047 (PyInquiry) RangeLength, /* sq_length, len(x) */ |
| 7 | 1048 (binaryfunc) 0, /* RangeConcat, */ /* sq_concat, x+y */ |
| 1594 | 1049 (PyIntArgFunc) 0, /* RangeRepeat, */ /* sq_repeat, x*n */ |
| 1050 (PyIntArgFunc) RangeItem, /* sq_item, x[i] */ | |
| 1051 (PyIntIntArgFunc) RangeSlice, /* sq_slice, x[i:j] */ | |
| 1052 (PyIntObjArgProc) RangeAssItem, /* sq_ass_item, x[i]=v */ | |
| 1053 (PyIntIntObjArgProc) RangeAssSlice, /* sq_ass_slice, x[i:j]=v */ | |
| 7 | 1054 }; |
| 1055 | |
| 1056 /* Line range object - Implementation | |
| 1057 */ | |
| 1058 | |
| 1059 static void | |
| 1060 RangeDestructor(PyObject *self) | |
| 1061 { | |
| 1062 Py_DECREF(((RangeObject *)(self))->buf); | |
| 986 | 1063 Py_DECREF(self); |
| 7 | 1064 } |
| 1065 | |
| 1066 static PyObject * | |
| 1067 RangeGetattr(PyObject *self, char *name) | |
| 1068 { | |
| 1069 if (strcmp(name, "start") == 0) | |
| 1607 | 1070 return Py_BuildValue(Py_ssize_t_fmt, ((RangeObject *)(self))->start - 1); |
| 7 | 1071 else if (strcmp(name, "end") == 0) |
| 1607 | 1072 return Py_BuildValue(Py_ssize_t_fmt, ((RangeObject *)(self))->end - 1); |
| 7 | 1073 else |
| 1074 return Py_FindMethod(RangeMethods, self, name); | |
| 1075 } | |
| 1076 | |
| 1077 /****************/ | |
| 1078 | |
| 1594 | 1079 static PyInt |
| 1080 RangeAssItem(PyObject *self, PyInt n, PyObject *val) | |
| 7 | 1081 { |
|
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diff
changeset
|
1082 return RBAsItem(((RangeObject *)(self))->buf, n, val, |
| 7 | 1083 ((RangeObject *)(self))->start, |
| 1084 ((RangeObject *)(self))->end, | |
| 1085 &((RangeObject *)(self))->end); | |
| 1086 } | |
| 1087 | |
| 1594 | 1088 static PyInt |
| 1089 RangeAssSlice(PyObject *self, PyInt lo, PyInt hi, PyObject *val) | |
| 7 | 1090 { |
| 1091 return RBAssSlice(((RangeObject *)(self))->buf, lo, hi, val, | |
| 1092 ((RangeObject *)(self))->start, | |
| 1093 ((RangeObject *)(self))->end, | |
| 1094 &((RangeObject *)(self))->end); | |
| 1095 } | |
| 1096 | |
| 1097 /* Buffer list object - Definitions | |
| 1098 */ | |
| 1099 | |
| 1100 typedef struct | |
| 1101 { | |
| 1102 PyObject_HEAD | |
|
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diff
changeset
|
1103 } BufListObject; |
| 7 | 1104 |
| 1105 static PySequenceMethods BufListAsSeq = { | |
| 1594 | 1106 (PyInquiry) BufListLength, /* sq_length, len(x) */ |
| 7 | 1107 (binaryfunc) 0, /* sq_concat, x+y */ |
| 1594 | 1108 (PyIntArgFunc) 0, /* sq_repeat, x*n */ |
| 1109 (PyIntArgFunc) BufListItem, /* sq_item, x[i] */ | |
| 1110 (PyIntIntArgFunc) 0, /* sq_slice, x[i:j] */ | |
| 1111 (PyIntObjArgProc) 0, /* sq_ass_item, x[i]=v */ | |
| 1112 (PyIntIntObjArgProc) 0, /* sq_ass_slice, x[i:j]=v */ | |
| 7 | 1113 }; |
| 1114 | |
| 1115 static PyTypeObject BufListType = { | |
| 1116 PyObject_HEAD_INIT(0) | |
| 1117 0, | |
| 1118 "buffer list", | |
| 1119 sizeof(BufListObject), | |
| 1120 0, | |
| 1121 | |
| 1122 (destructor) 0, /* tp_dealloc, refcount==0 */ | |
| 1123 (printfunc) 0, /* tp_print, print x */ | |
| 1124 (getattrfunc) 0, /* tp_getattr, x.attr */ | |
| 1125 (setattrfunc) 0, /* tp_setattr, x.attr=v */ | |
| 1126 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 1127 (reprfunc) 0, /* tp_repr, `x`, print x */ | |
| 1128 | |
| 1129 0, /* as number */ | |
| 1130 &BufListAsSeq, /* as sequence */ | |
| 1131 0, /* as mapping */ | |
| 1132 | |
| 1133 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 1134 (ternaryfunc) 0, /* tp_call, x() */ | |
| 1135 (reprfunc) 0, /* tp_str, str(x) */ | |
| 1136 }; | |
| 1137 | |
| 1138 /* Window object - Definitions | |
| 1139 */ | |
| 1140 | |
| 1141 static struct PyMethodDef WindowMethods[] = { | |
| 1142 /* name, function, calling, documentation */ | |
| 1143 { NULL, NULL, 0, NULL } | |
| 1144 }; | |
| 1145 | |
| 1146 static PyTypeObject WindowType = { | |
| 1147 PyObject_HEAD_INIT(0) | |
| 1148 0, | |
| 1149 "window", | |
| 1150 sizeof(WindowObject), | |
| 1151 0, | |
| 1152 | |
| 1153 (destructor) WindowDestructor, /* tp_dealloc, refcount==0 */ | |
| 1154 (printfunc) 0, /* tp_print, print x */ | |
| 1155 (getattrfunc) WindowGetattr, /* tp_getattr, x.attr */ | |
| 1156 (setattrfunc) WindowSetattr, /* tp_setattr, x.attr=v */ | |
| 1157 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 1158 (reprfunc) WindowRepr, /* tp_repr, `x`, print x */ | |
| 1159 | |
| 1160 0, /* as number */ | |
| 1161 0, /* as sequence */ | |
| 1162 0, /* as mapping */ | |
| 1163 | |
| 1164 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 1165 (ternaryfunc) 0, /* tp_call, x() */ | |
| 1166 (reprfunc) 0, /* tp_str, str(x) */ | |
| 1167 }; | |
| 1168 | |
| 1169 /* Window object - Implementation | |
| 1170 */ | |
| 1171 | |
| 1172 static PyObject * | |
| 1173 WindowNew(win_T *win) | |
| 1174 { | |
| 1175 /* We need to handle deletion of windows underneath us. | |
| 502 | 1176 * If we add a "w_python_ref" field to the win_T structure, |
| 7 | 1177 * then we can get at it in win_free() in vim. We then |
| 1178 * need to create only ONE Python object per window - if | |
| 1179 * we try to create a second, just INCREF the existing one | |
| 1180 * and return it. The (single) Python object referring to | |
| 502 | 1181 * the window is stored in "w_python_ref". |
| 7 | 1182 * On a win_free() we set the Python object's win_T* field |
| 1183 * to an invalid value. We trap all uses of a window | |
| 1184 * object, and reject them if the win_T* field is invalid. | |
| 1185 */ | |
| 1186 | |
| 1187 WindowObject *self; | |
| 1188 | |
| 502 | 1189 if (win->w_python_ref) |
| 7 | 1190 { |
| 502 | 1191 self = win->w_python_ref; |
| 7 | 1192 Py_INCREF(self); |
| 1193 } | |
| 1194 else | |
| 1195 { | |
| 1196 self = PyObject_NEW(WindowObject, &WindowType); | |
| 1197 if (self == NULL) | |
| 1198 return NULL; | |
| 1199 self->win = win; | |
| 502 | 1200 win->w_python_ref = self; |
| 7 | 1201 } |
| 1202 | |
| 1203 return (PyObject *)(self); | |
| 1204 } | |
| 1205 | |
| 1206 static void | |
| 1207 WindowDestructor(PyObject *self) | |
| 1208 { | |
| 1209 WindowObject *this = (WindowObject *)(self); | |
| 1210 | |
| 1211 if (this->win && this->win != INVALID_WINDOW_VALUE) | |
| 502 | 1212 this->win->w_python_ref = NULL; |
| 7 | 1213 |
| 986 | 1214 Py_DECREF(self); |
| 7 | 1215 } |
| 1216 | |
| 1217 static PyObject * | |
| 1218 WindowGetattr(PyObject *self, char *name) | |
| 1219 { | |
| 1220 WindowObject *this = (WindowObject *)(self); | |
| 1221 | |
| 1222 if (CheckWindow(this)) | |
| 1223 return NULL; | |
| 1224 | |
| 1225 if (strcmp(name, "buffer") == 0) | |
| 1226 return (PyObject *)BufferNew(this->win->w_buffer); | |
| 1227 else if (strcmp(name, "cursor") == 0) | |
| 1228 { | |
| 1229 pos_T *pos = &this->win->w_cursor; | |
| 1230 | |
| 1231 return Py_BuildValue("(ll)", (long)(pos->lnum), (long)(pos->col)); | |
| 1232 } | |
| 1233 else if (strcmp(name, "height") == 0) | |
| 1234 return Py_BuildValue("l", (long)(this->win->w_height)); | |
| 1235 #ifdef FEAT_VERTSPLIT | |
| 1236 else if (strcmp(name, "width") == 0) | |
| 1237 return Py_BuildValue("l", (long)(W_WIDTH(this->win))); | |
| 1238 #endif | |
| 1239 else if (strcmp(name,"__members__") == 0) | |
| 1240 return Py_BuildValue("[sss]", "buffer", "cursor", "height"); | |
| 1241 else | |
| 1242 return Py_FindMethod(WindowMethods, self, name); | |
| 1243 } | |
| 1244 | |
| 1245 /* Window list object - Definitions | |
| 1246 */ | |
| 1247 | |
| 1248 typedef struct | |
| 1249 { | |
| 1250 PyObject_HEAD | |
| 1251 } | |
| 1252 WinListObject; | |
| 1253 | |
| 1254 static PySequenceMethods WinListAsSeq = { | |
| 1594 | 1255 (PyInquiry) WinListLength, /* sq_length, len(x) */ |
| 7 | 1256 (binaryfunc) 0, /* sq_concat, x+y */ |
| 1594 | 1257 (PyIntArgFunc) 0, /* sq_repeat, x*n */ |
| 1258 (PyIntArgFunc) WinListItem, /* sq_item, x[i] */ | |
| 1259 (PyIntIntArgFunc) 0, /* sq_slice, x[i:j] */ | |
| 1260 (PyIntObjArgProc) 0, /* sq_ass_item, x[i]=v */ | |
| 1261 (PyIntIntObjArgProc) 0, /* sq_ass_slice, x[i:j]=v */ | |
| 7 | 1262 }; |
| 1263 | |
| 1264 static PyTypeObject WinListType = { | |
| 1265 PyObject_HEAD_INIT(0) | |
| 1266 0, | |
| 1267 "window list", | |
| 1268 sizeof(WinListObject), | |
| 1269 0, | |
| 1270 | |
| 1271 (destructor) 0, /* tp_dealloc, refcount==0 */ | |
| 1272 (printfunc) 0, /* tp_print, print x */ | |
| 1273 (getattrfunc) 0, /* tp_getattr, x.attr */ | |
| 1274 (setattrfunc) 0, /* tp_setattr, x.attr=v */ | |
| 1275 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 1276 (reprfunc) 0, /* tp_repr, `x`, print x */ | |
| 1277 | |
| 1278 0, /* as number */ | |
| 1279 &WinListAsSeq, /* as sequence */ | |
| 1280 0, /* as mapping */ | |
| 1281 | |
| 1282 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 1283 (ternaryfunc) 0, /* tp_call, x() */ | |
| 1284 (reprfunc) 0, /* tp_str, str(x) */ | |
| 1285 }; | |
| 1286 | |
| 1287 /* Current items object - Definitions | |
| 1288 */ | |
| 1289 | |
| 1290 typedef struct | |
| 1291 { | |
| 1292 PyObject_HEAD | |
|
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diff
changeset
|
1293 } CurrentObject; |
| 7 | 1294 |
| 1295 static PyTypeObject CurrentType = { | |
| 1296 PyObject_HEAD_INIT(0) | |
| 1297 0, | |
| 1298 "current data", | |
| 1299 sizeof(CurrentObject), | |
| 1300 0, | |
| 1301 | |
| 1302 (destructor) 0, /* tp_dealloc, refcount==0 */ | |
| 1303 (printfunc) 0, /* tp_print, print x */ | |
| 1304 (getattrfunc) CurrentGetattr, /* tp_getattr, x.attr */ | |
| 1305 (setattrfunc) CurrentSetattr, /* tp_setattr, x.attr=v */ | |
| 1306 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 1307 (reprfunc) 0, /* tp_repr, `x`, print x */ | |
| 1308 | |
| 1309 0, /* as number */ | |
| 1310 0, /* as sequence */ | |
| 1311 0, /* as mapping */ | |
| 1312 | |
| 1313 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 1314 (ternaryfunc) 0, /* tp_call, x() */ | |
| 1315 (reprfunc) 0, /* tp_str, str(x) */ | |
| 1316 }; | |
| 1317 | |
| 1318 /* Current items object - Implementation | |
| 1319 */ | |
| 1320 static PyObject * | |
| 1887 | 1321 CurrentGetattr(PyObject *self UNUSED, char *name) |
| 7 | 1322 { |
| 1323 if (strcmp(name, "buffer") == 0) | |
| 1324 return (PyObject *)BufferNew(curbuf); | |
| 1325 else if (strcmp(name, "window") == 0) | |
| 1326 return (PyObject *)WindowNew(curwin); | |
| 1327 else if (strcmp(name, "line") == 0) | |
| 1607 | 1328 return GetBufferLine(curbuf, (PyInt)curwin->w_cursor.lnum); |
| 7 | 1329 else if (strcmp(name, "range") == 0) |
| 1330 return RangeNew(curbuf, RangeStart, RangeEnd); | |
| 1331 else if (strcmp(name,"__members__") == 0) | |
| 1332 return Py_BuildValue("[ssss]", "buffer", "window", "line", "range"); | |
| 1333 else | |
| 1334 { | |
| 1335 PyErr_SetString(PyExc_AttributeError, name); | |
| 1336 return NULL; | |
| 1337 } | |
| 1338 } | |
| 1339 | |
| 1340 static int | |
| 1887 | 1341 CurrentSetattr(PyObject *self UNUSED, char *name, PyObject *value) |
| 7 | 1342 { |
| 1343 if (strcmp(name, "line") == 0) | |
| 1344 { | |
| 1607 | 1345 if (SetBufferLine(curbuf, (PyInt)curwin->w_cursor.lnum, value, NULL) == FAIL) |
| 7 | 1346 return -1; |
| 1347 | |
| 1348 return 0; | |
| 1349 } | |
| 1350 else | |
| 1351 { | |
| 1352 PyErr_SetString(PyExc_AttributeError, name); | |
| 1353 return -1; | |
| 1354 } | |
| 1355 } | |
| 1356 | |
| 1357 /* External interface | |
| 1358 */ | |
| 1359 | |
| 1360 void | |
| 1361 python_buffer_free(buf_T *buf) | |
| 1362 { | |
| 502 | 1363 if (buf->b_python_ref != NULL) |
| 7 | 1364 { |
| 502 | 1365 BufferObject *bp = buf->b_python_ref; |
| 7 | 1366 bp->buf = INVALID_BUFFER_VALUE; |
| 502 | 1367 buf->b_python_ref = NULL; |
| 7 | 1368 } |
| 1369 } | |
| 1370 | |
| 1371 #if defined(FEAT_WINDOWS) || defined(PROTO) | |
| 1372 void | |
| 1373 python_window_free(win_T *win) | |
| 1374 { | |
| 502 | 1375 if (win->w_python_ref != NULL) |
| 7 | 1376 { |
| 502 | 1377 WindowObject *wp = win->w_python_ref; |
| 7 | 1378 wp->win = INVALID_WINDOW_VALUE; |
| 502 | 1379 win->w_python_ref = NULL; |
| 7 | 1380 } |
| 1381 } | |
| 1382 #endif | |
| 1383 | |
| 1384 static BufListObject TheBufferList = | |
| 1385 { | |
| 1386 PyObject_HEAD_INIT(&BufListType) | |
| 1387 }; | |
| 1388 | |
| 1389 static WinListObject TheWindowList = | |
| 1390 { | |
| 1391 PyObject_HEAD_INIT(&WinListType) | |
| 1392 }; | |
| 1393 | |
| 1394 static CurrentObject TheCurrent = | |
| 1395 { | |
| 1396 PyObject_HEAD_INIT(&CurrentType) | |
| 1397 }; | |
| 1398 | |
| 1399 static int | |
| 1400 PythonMod_Init(void) | |
| 1401 { | |
| 1402 PyObject *mod; | |
| 1403 PyObject *dict; | |
| 1748 | 1404 /* The special value is removed from sys.path in Python_Init(). */ |
| 1405 static char *(argv[2]) = {"/must>not&exist/foo", NULL}; | |
| 7 | 1406 |
| 1407 /* Fixups... */ | |
| 2735 | 1408 PyType_Ready(&BufferType); |
| 1409 PyType_Ready(&RangeType); | |
| 1410 PyType_Ready(&WindowType); | |
| 1411 PyType_Ready(&BufListType); | |
| 1412 PyType_Ready(&WinListType); | |
| 1413 PyType_Ready(&CurrentType); | |
| 7 | 1414 |
| 1415 /* Set sys.argv[] to avoid a crash in warn(). */ | |
| 1416 PySys_SetArgv(1, argv); | |
| 1417 | |
| 1607 | 1418 mod = Py_InitModule4("vim", VimMethods, (char *)NULL, (PyObject *)NULL, PYTHON_API_VERSION); |
| 7 | 1419 dict = PyModule_GetDict(mod); |
| 1420 | |
| 1421 VimError = Py_BuildValue("s", "vim.error"); | |
| 1422 | |
| 1423 PyDict_SetItemString(dict, "error", VimError); | |
| 135 | 1424 PyDict_SetItemString(dict, "buffers", (PyObject *)(void *)&TheBufferList); |
| 1425 PyDict_SetItemString(dict, "current", (PyObject *)(void *)&TheCurrent); | |
| 1426 PyDict_SetItemString(dict, "windows", (PyObject *)(void *)&TheWindowList); | |
| 7 | 1427 |
| 1428 if (PyErr_Occurred()) | |
| 1429 return -1; | |
| 1430 | |
| 1431 return 0; | |
| 1432 } | |
| 1433 | |
| 1434 /************************************************************************* | |
| 1435 * 4. Utility functions for handling the interface between Vim and Python. | |
| 1436 */ | |
| 1437 | |
| 1438 /* Replace a range of lines in the specified buffer. The line numbers are in | |
| 1439 * Vim format (1-based). The range is from lo up to, but not including, hi. | |
| 1440 * The replacement lines are given as a Python list of string objects. The | |
| 1441 * list is checked for validity and correct format. Errors are returned as a | |
| 1442 * value of FAIL. The return value is OK on success. | |
| 1443 * If OK is returned and len_change is not NULL, *len_change | |
| 1444 * is set to the change in the buffer length. | |
| 1445 */ | |
| 1446 static int | |
| 1607 | 1447 SetBufferLineList(buf_T *buf, PyInt lo, PyInt hi, PyObject *list, PyInt *len_change) |
| 7 | 1448 { |
| 1449 /* First of all, we check the thpe of the supplied Python object. | |
| 1450 * There are three cases: | |
| 1451 * 1. NULL, or None - this is a deletion. | |
| 1452 * 2. A list - this is a replacement. | |
| 1453 * 3. Anything else - this is an error. | |
| 1454 */ | |
| 1455 if (list == Py_None || list == NULL) | |
| 1456 { | |
| 1594 | 1457 PyInt i; |
| 1607 | 1458 PyInt n = (int)(hi - lo); |
| 7 | 1459 buf_T *savebuf = curbuf; |
| 1460 | |
| 1461 PyErr_Clear(); | |
| 1462 curbuf = buf; | |
| 1463 | |
| 1464 if (u_savedel((linenr_T)lo, (long)n) == FAIL) | |
| 1465 PyErr_SetVim(_("cannot save undo information")); | |
| 1466 else | |
| 1467 { | |
| 1468 for (i = 0; i < n; ++i) | |
| 1469 { | |
| 1470 if (ml_delete((linenr_T)lo, FALSE) == FAIL) | |
| 1471 { | |
| 1472 PyErr_SetVim(_("cannot delete line")); | |
| 1473 break; | |
| 1474 } | |
| 1475 } | |
| 1476 if (buf == curwin->w_buffer) | |
| 1607 | 1477 py_fix_cursor((linenr_T)lo, (linenr_T)hi, (linenr_T)-n); |
| 1929 | 1478 deleted_lines_mark((linenr_T)lo, (long)i); |
| 7 | 1479 } |
| 1480 | |
| 1481 curbuf = savebuf; | |
| 1482 | |
| 1483 if (PyErr_Occurred() || VimErrorCheck()) | |
| 1484 return FAIL; | |
| 1485 | |
| 1486 if (len_change) | |
| 1487 *len_change = -n; | |
| 1488 | |
| 1489 return OK; | |
| 1490 } | |
| 1491 else if (PyList_Check(list)) | |
| 1492 { | |
| 1594 | 1493 PyInt i; |
| 1494 PyInt new_len = PyList_Size(list); | |
| 1495 PyInt old_len = hi - lo; | |
| 1607 | 1496 PyInt extra = 0; /* lines added to text, can be negative */ |
| 7 | 1497 char **array; |
| 1498 buf_T *savebuf; | |
| 1499 | |
| 1500 if (new_len == 0) /* avoid allocating zero bytes */ | |
| 1501 array = NULL; | |
| 1502 else | |
| 1503 { | |
| 1504 array = (char **)alloc((unsigned)(new_len * sizeof(char *))); | |
| 1505 if (array == NULL) | |
| 1506 { | |
| 1507 PyErr_NoMemory(); | |
| 1508 return FAIL; | |
| 1509 } | |
| 1510 } | |
| 1511 | |
| 1512 for (i = 0; i < new_len; ++i) | |
| 1513 { | |
| 1514 PyObject *line = PyList_GetItem(list, i); | |
| 1515 | |
| 1516 array[i] = StringToLine(line); | |
| 1517 if (array[i] == NULL) | |
| 1518 { | |
| 1519 while (i) | |
| 1520 vim_free(array[--i]); | |
| 1521 vim_free(array); | |
| 1522 return FAIL; | |
| 1523 } | |
| 1524 } | |
| 1525 | |
| 1526 savebuf = curbuf; | |
| 1527 | |
| 1528 PyErr_Clear(); | |
| 1529 curbuf = buf; | |
| 1530 | |
| 1531 if (u_save((linenr_T)(lo-1), (linenr_T)hi) == FAIL) | |
| 1532 PyErr_SetVim(_("cannot save undo information")); | |
| 1533 | |
| 1534 /* If the size of the range is reducing (ie, new_len < old_len) we | |
| 1535 * need to delete some old_len. We do this at the start, by | |
| 1536 * repeatedly deleting line "lo". | |
| 1537 */ | |
| 1538 if (!PyErr_Occurred()) | |
| 1539 { | |
| 1540 for (i = 0; i < old_len - new_len; ++i) | |
| 1541 if (ml_delete((linenr_T)lo, FALSE) == FAIL) | |
| 1542 { | |
| 1543 PyErr_SetVim(_("cannot delete line")); | |
| 1544 break; | |
| 1545 } | |
| 1546 extra -= i; | |
| 1547 } | |
| 1548 | |
| 1549 /* For as long as possible, replace the existing old_len with the | |
| 1550 * new old_len. This is a more efficient operation, as it requires | |
| 1551 * less memory allocation and freeing. | |
| 1552 */ | |
| 1553 if (!PyErr_Occurred()) | |
| 1554 { | |
| 1555 for (i = 0; i < old_len && i < new_len; ++i) | |
| 1556 if (ml_replace((linenr_T)(lo+i), (char_u *)array[i], FALSE) | |
| 1557 == FAIL) | |
| 1558 { | |
| 1559 PyErr_SetVim(_("cannot replace line")); | |
| 1560 break; | |
| 1561 } | |
| 1562 } | |
| 1563 else | |
| 1564 i = 0; | |
| 1565 | |
| 1566 /* Now we may need to insert the remaining new old_len. If we do, we | |
| 1567 * must free the strings as we finish with them (we can't pass the | |
| 1568 * responsibility to vim in this case). | |
| 1569 */ | |
| 1570 if (!PyErr_Occurred()) | |
| 1571 { | |
| 1572 while (i < new_len) | |
| 1573 { | |
| 1574 if (ml_append((linenr_T)(lo + i - 1), | |
| 1575 (char_u *)array[i], 0, FALSE) == FAIL) | |
| 1576 { | |
| 1577 PyErr_SetVim(_("cannot insert line")); | |
| 1578 break; | |
| 1579 } | |
| 1580 vim_free(array[i]); | |
| 1581 ++i; | |
| 1582 ++extra; | |
| 1583 } | |
| 1584 } | |
| 1585 | |
| 1586 /* Free any left-over old_len, as a result of an error */ | |
| 1587 while (i < new_len) | |
| 1588 { | |
| 1589 vim_free(array[i]); | |
| 1590 ++i; | |
| 1591 } | |
| 1592 | |
| 1593 /* Free the array of old_len. All of its contents have now | |
| 1594 * been dealt with (either freed, or the responsibility passed | |
| 1595 * to vim. | |
| 1596 */ | |
| 1597 vim_free(array); | |
| 1598 | |
| 1599 /* Adjust marks. Invalidate any which lie in the | |
| 1600 * changed range, and move any in the remainder of the buffer. | |
| 1601 */ | |
| 1602 mark_adjust((linenr_T)lo, (linenr_T)(hi - 1), | |
| 1603 (long)MAXLNUM, (long)extra); | |
| 1604 changed_lines((linenr_T)lo, 0, (linenr_T)hi, (long)extra); | |
| 1605 | |
| 1606 if (buf == curwin->w_buffer) | |
| 1607 | 1607 py_fix_cursor((linenr_T)lo, (linenr_T)hi, (linenr_T)extra); |
| 7 | 1608 |
| 1609 curbuf = savebuf; | |
| 1610 | |
| 1611 if (PyErr_Occurred() || VimErrorCheck()) | |
| 1612 return FAIL; | |
| 1613 | |
| 1614 if (len_change) | |
| 1615 *len_change = new_len - old_len; | |
| 1616 | |
| 1617 return OK; | |
| 1618 } | |
| 1619 else | |
| 1620 { | |
| 1621 PyErr_BadArgument(); | |
| 1622 return FAIL; | |
| 1623 } | |
| 1624 } | |
| 1625 | |
| 1626 /* Convert a Vim line into a Python string. | |
| 1627 * All internal newlines are replaced by null characters. | |
| 1628 * | |
| 1629 * On errors, the Python exception data is set, and NULL is returned. | |
| 1630 */ | |
| 1631 static PyObject * | |
| 1632 LineToString(const char *str) | |
| 1633 { | |
| 1634 PyObject *result; | |
| 1594 | 1635 PyInt len = strlen(str); |
| 7 | 1636 char *p; |
| 1637 | |
| 1638 /* Allocate an Python string object, with uninitialised contents. We | |
| 1639 * must do it this way, so that we can modify the string in place | |
| 1640 * later. See the Python source, Objects/stringobject.c for details. | |
| 1641 */ | |
| 1642 result = PyString_FromStringAndSize(NULL, len); | |
| 1643 if (result == NULL) | |
| 1644 return NULL; | |
| 1645 | |
| 1646 p = PyString_AsString(result); | |
| 1647 | |
| 1648 while (*str) | |
| 1649 { | |
| 1650 if (*str == '\n') | |
| 1651 *p = '\0'; | |
| 1652 else | |
| 1653 *p = *str; | |
| 1654 | |
| 1655 ++p; | |
| 1656 ++str; | |
| 1657 } | |
| 1658 | |
| 1659 return result; | |
| 1660 } | |
| 1661 | |
| 1662 | |
| 1663 /* Don't generate a prototype for the next function, it generates an error on | |
| 1664 * newer Python versions. */ | |
| 1665 #if PYTHON_API_VERSION < 1007 /* Python 1.4 */ && !defined(PROTO) | |
| 1666 | |
| 1667 char * | |
| 1668 Py_GetProgramName(void) | |
| 1669 { | |
| 1670 return "vim"; | |
| 1671 } | |
| 1672 #endif /* Python 1.4 */ | |
|
2399
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Bram Moolenaar <bram@vim.org>
parents:
2384
diff
changeset
|
1673 |
|
76f0c4918f5c
Move some common code from if_python.c and if_python3.c to if_py_both.h.
Bram Moolenaar <bram@vim.org>
parents:
2384
diff
changeset
|
1674 static void |
|
76f0c4918f5c
Move some common code from if_python.c and if_python3.c to if_py_both.h.
Bram Moolenaar <bram@vim.org>
parents:
2384
diff
changeset
|
1675 init_structs(void) |
|
76f0c4918f5c
Move some common code from if_python.c and if_python3.c to if_py_both.h.
Bram Moolenaar <bram@vim.org>
parents:
2384
diff
changeset
|
1676 { |
|
76f0c4918f5c
Move some common code from if_python.c and if_python3.c to if_py_both.h.
Bram Moolenaar <bram@vim.org>
parents:
2384
diff
changeset
|
1677 vim_memset(&OutputType, 0, sizeof(OutputType)); |
|
76f0c4918f5c
Move some common code from if_python.c and if_python3.c to if_py_both.h.
Bram Moolenaar <bram@vim.org>
parents:
2384
diff
changeset
|
1678 OutputType.tp_name = "message"; |
|
76f0c4918f5c
Move some common code from if_python.c and if_python3.c to if_py_both.h.
Bram Moolenaar <bram@vim.org>
parents:
2384
diff
changeset
|
1679 OutputType.tp_basicsize = sizeof(OutputObject); |
|
76f0c4918f5c
Move some common code from if_python.c and if_python3.c to if_py_both.h.
Bram Moolenaar <bram@vim.org>
parents:
2384
diff
changeset
|
1680 OutputType.tp_getattr = OutputGetattr; |
|
76f0c4918f5c
Move some common code from if_python.c and if_python3.c to if_py_both.h.
Bram Moolenaar <bram@vim.org>
parents:
2384
diff
changeset
|
1681 OutputType.tp_setattr = OutputSetattr; |
|
2447
84d353762845
Move many more common Python items to if_py_both.c.
Bram Moolenaar <bram@vim.org>
parents:
2399
diff
changeset
|
1682 |
|
84d353762845
Move many more common Python items to if_py_both.c.
Bram Moolenaar <bram@vim.org>
parents:
2399
diff
changeset
|
1683 vim_memset(&RangeType, 0, sizeof(RangeType)); |
|
84d353762845
Move many more common Python items to if_py_both.c.
Bram Moolenaar <bram@vim.org>
parents:
2399
diff
changeset
|
1684 RangeType.tp_name = "range"; |
|
84d353762845
Move many more common Python items to if_py_both.c.
Bram Moolenaar <bram@vim.org>
parents:
2399
diff
changeset
|
1685 RangeType.tp_basicsize = sizeof(RangeObject); |
|
84d353762845
Move many more common Python items to if_py_both.c.
Bram Moolenaar <bram@vim.org>
parents:
2399
diff
changeset
|
1686 RangeType.tp_dealloc = RangeDestructor; |
|
84d353762845
Move many more common Python items to if_py_both.c.
Bram Moolenaar <bram@vim.org>
parents:
2399
diff
changeset
|
1687 RangeType.tp_getattr = RangeGetattr; |
|
84d353762845
Move many more common Python items to if_py_both.c.
Bram Moolenaar <bram@vim.org>
parents:
2399
diff
changeset
|
1688 RangeType.tp_repr = RangeRepr; |
|
84d353762845
Move many more common Python items to if_py_both.c.
Bram Moolenaar <bram@vim.org>
parents:
2399
diff
changeset
|
1689 RangeType.tp_as_sequence = &RangeAsSeq; |
|
2399
76f0c4918f5c
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Bram Moolenaar <bram@vim.org>
parents:
2384
diff
changeset
|
1690 } |