1 /* vi:set ts=8 sts=4 sw=4 noet: 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 /* uncomment this if used with the debug version of python. 25 * Checked on 2.7.4. */ 26 /* #define Py_DEBUG */ 27 /* Note: most of time you can add -DPy_DEBUG to CFLAGS in place of uncommenting 28 */ 29 /* uncomment this if used with the debug version of python, but without its 30 * allocator */ 31 /* #define Py_DEBUG_NO_PYMALLOC */ 32 33 /* Python.h defines _POSIX_THREADS itself (if needed) */ 34 #ifdef _POSIX_THREADS 35 # undef _POSIX_THREADS 36 #endif 37 38 #if defined(_WIN32) && defined(HAVE_FCNTL_H) 39 # undef HAVE_FCNTL_H 40 #endif 41 42 #ifdef _DEBUG 43 # undef _DEBUG 44 #endif 45 46 #ifdef HAVE_STRFTIME 47 # undef HAVE_STRFTIME 48 #endif 49 #ifdef HAVE_STRING_H 50 # undef HAVE_STRING_H 51 #endif 52 #ifdef HAVE_PUTENV 53 # undef HAVE_PUTENV 54 #endif 55 #ifdef HAVE_STDARG_H 56 # undef HAVE_STDARG_H /* Python's config.h defines it as well. */ 57 #endif 58 #ifdef _POSIX_C_SOURCE 59 # undef _POSIX_C_SOURCE /* pyconfig.h defines it as well. */ 60 #endif 61 #ifdef _XOPEN_SOURCE 62 # undef _XOPEN_SOURCE /* pyconfig.h defines it as well. */ 63 #endif 64 65 #define PY_SSIZE_T_CLEAN 66 67 #include <Python.h> 68 69 #if !defined(PY_VERSION_HEX) || PY_VERSION_HEX < 0x02050000 70 # undef PY_SSIZE_T_CLEAN 71 #endif 72 73 #if defined(MACOS) && !defined(MACOS_X_UNIX) 74 # include "macglue.h" 75 # include <CodeFragments.h> 76 #endif 77 #undef main /* Defined in python.h - aargh */ 78 #undef HAVE_FCNTL_H /* Clash with os_win32.h */ 79 80 #define PyBytes_FromString PyString_FromString 81 #define PyBytes_Check PyString_Check 82 #define PyBytes_AsStringAndSize PyString_AsStringAndSize 83 84 #if !defined(FEAT_PYTHON) && defined(PROTO) 85 /* Use this to be able to generate prototypes without python being used. */ 86 # define PyObject Py_ssize_t 87 # define PyThreadState Py_ssize_t 88 # define PyTypeObject Py_ssize_t 89 struct PyMethodDef { Py_ssize_t a; }; 90 # define PySequenceMethods Py_ssize_t 91 #endif 92 93 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000 94 # define PY_USE_CAPSULE 95 #endif 96 97 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02050000 98 # define PyInt Py_ssize_t 99 # define PyInquiry lenfunc 100 # define PyIntArgFunc ssizeargfunc 101 # define PyIntIntArgFunc ssizessizeargfunc 102 # define PyIntObjArgProc ssizeobjargproc 103 # define PyIntIntObjArgProc ssizessizeobjargproc 104 # define Py_ssize_t_fmt "n" 105 #else 106 # define PyInt int 107 # define lenfunc inquiry 108 # define PyInquiry inquiry 109 # define PyIntArgFunc intargfunc 110 # define PyIntIntArgFunc intintargfunc 111 # define PyIntObjArgProc intobjargproc 112 # define PyIntIntObjArgProc intintobjargproc 113 # define Py_ssize_t_fmt "i" 114 #endif 115 #define Py_bytes_fmt "s" 116 117 /* Parser flags */ 118 #define single_input 256 119 #define file_input 257 120 #define eval_input 258 121 122 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x020300F0 123 /* Python 2.3: can invoke ":python" recursively. */ 124 # define PY_CAN_RECURSE 125 #endif 126 127 # if defined(DYNAMIC_PYTHON) || defined(PROTO) 128 # ifndef DYNAMIC_PYTHON 129 # define HINSTANCE long_u /* for generating prototypes */ 130 # endif 131 132 # ifndef WIN3264 133 # include <dlfcn.h> 134 # define FARPROC void* 135 # define HINSTANCE void* 136 # if defined(PY_NO_RTLD_GLOBAL) && defined(PY3_NO_RTLD_GLOBAL) 137 # define load_dll(n) dlopen((n), RTLD_LAZY) 138 # else 139 # define load_dll(n) dlopen((n), RTLD_LAZY|RTLD_GLOBAL) 140 # endif 141 # define close_dll dlclose 142 # define symbol_from_dll dlsym 143 # else 144 # define load_dll vimLoadLib 145 # define close_dll FreeLibrary 146 # define symbol_from_dll GetProcAddress 147 # endif 148 149 /* This makes if_python.c compile without warnings against Python 2.5 150 * on Win32 and Win64. */ 151 # undef PyRun_SimpleString 152 # undef PyRun_String 153 # undef PyArg_Parse 154 # undef PyArg_ParseTuple 155 # undef Py_BuildValue 156 # undef Py_InitModule4 157 # undef Py_InitModule4_64 158 # undef PyObject_CallMethod 159 # undef PyObject_CallFunction 160 161 /* 162 * Wrapper defines 163 */ 164 # define PyArg_Parse dll_PyArg_Parse 165 # define PyArg_ParseTuple dll_PyArg_ParseTuple 166 # define PyMem_Free dll_PyMem_Free 167 # define PyMem_Malloc dll_PyMem_Malloc 168 # define PyDict_SetItemString dll_PyDict_SetItemString 169 # define PyErr_BadArgument dll_PyErr_BadArgument 170 # define PyErr_NewException dll_PyErr_NewException 171 # define PyErr_Clear dll_PyErr_Clear 172 # define PyErr_Format dll_PyErr_Format 173 # define PyErr_PrintEx dll_PyErr_PrintEx 174 # define PyErr_NoMemory dll_PyErr_NoMemory 175 # define PyErr_Occurred dll_PyErr_Occurred 176 # define PyErr_SetNone dll_PyErr_SetNone 177 # define PyErr_SetString dll_PyErr_SetString 178 # define PyErr_SetObject dll_PyErr_SetObject 179 # define PyErr_ExceptionMatches dll_PyErr_ExceptionMatches 180 # define PyEval_InitThreads dll_PyEval_InitThreads 181 # define PyEval_RestoreThread dll_PyEval_RestoreThread 182 # define PyEval_SaveThread dll_PyEval_SaveThread 183 # ifdef PY_CAN_RECURSE 184 # define PyGILState_Ensure dll_PyGILState_Ensure 185 # define PyGILState_Release dll_PyGILState_Release 186 # endif 187 # define PyInt_AsLong dll_PyInt_AsLong 188 # define PyInt_FromLong dll_PyInt_FromLong 189 # define PyLong_AsLong dll_PyLong_AsLong 190 # define PyLong_FromLong dll_PyLong_FromLong 191 # define PyBool_Type (*dll_PyBool_Type) 192 # define PyInt_Type (*dll_PyInt_Type) 193 # define PyLong_Type (*dll_PyLong_Type) 194 # define PyList_GetItem dll_PyList_GetItem 195 # define PyList_Append dll_PyList_Append 196 # define PyList_Insert dll_PyList_Insert 197 # define PyList_New dll_PyList_New 198 # define PyList_SetItem dll_PyList_SetItem 199 # define PyList_Size dll_PyList_Size 200 # define PyList_Type (*dll_PyList_Type) 201 # define PySequence_Check dll_PySequence_Check 202 # define PySequence_Size dll_PySequence_Size 203 # define PySequence_GetItem dll_PySequence_GetItem 204 # define PySequence_Fast dll_PySequence_Fast 205 # define PyTuple_Size dll_PyTuple_Size 206 # define PyTuple_GetItem dll_PyTuple_GetItem 207 # define PyTuple_Type (*dll_PyTuple_Type) 208 # define PySlice_GetIndicesEx dll_PySlice_GetIndicesEx 209 # define PyImport_ImportModule dll_PyImport_ImportModule 210 # define PyDict_New dll_PyDict_New 211 # define PyDict_GetItemString dll_PyDict_GetItemString 212 # define PyDict_Next dll_PyDict_Next 213 # define PyDict_Type (*dll_PyDict_Type) 214 # ifdef PyMapping_Keys 215 # define PY_NO_MAPPING_KEYS 216 # else 217 # define PyMapping_Keys dll_PyMapping_Keys 218 # endif 219 # define PyObject_GetItem dll_PyObject_GetItem 220 # define PyObject_CallMethod dll_PyObject_CallMethod 221 # define PyMapping_Check dll_PyMapping_Check 222 # define PyIter_Next dll_PyIter_Next 223 # define PyModule_GetDict dll_PyModule_GetDict 224 # define PyModule_AddObject dll_PyModule_AddObject 225 # define PyRun_SimpleString dll_PyRun_SimpleString 226 # define PyRun_String dll_PyRun_String 227 # define PyObject_GetAttrString dll_PyObject_GetAttrString 228 # define PyObject_HasAttrString dll_PyObject_HasAttrString 229 # define PyObject_SetAttrString dll_PyObject_SetAttrString 230 # define PyObject_CallFunctionObjArgs dll_PyObject_CallFunctionObjArgs 231 # define PyObject_CallFunction dll_PyObject_CallFunction 232 # define PyObject_Call dll_PyObject_Call 233 # define PyObject_Repr dll_PyObject_Repr 234 # define PyString_AsString dll_PyString_AsString 235 # define PyString_AsStringAndSize dll_PyString_AsStringAndSize 236 # define PyString_FromString dll_PyString_FromString 237 # define PyString_FromFormat dll_PyString_FromFormat 238 # define PyString_FromStringAndSize dll_PyString_FromStringAndSize 239 # define PyString_Size dll_PyString_Size 240 # define PyString_Type (*dll_PyString_Type) 241 # define PyUnicode_Type (*dll_PyUnicode_Type) 242 # undef PyUnicode_AsEncodedString 243 # define PyUnicode_AsEncodedString py_PyUnicode_AsEncodedString 244 # define PyFloat_AsDouble dll_PyFloat_AsDouble 245 # define PyFloat_FromDouble dll_PyFloat_FromDouble 246 # define PyFloat_Type (*dll_PyFloat_Type) 247 # define PyNumber_Check dll_PyNumber_Check 248 # define PyNumber_Long dll_PyNumber_Long 249 # define PyImport_AddModule (*dll_PyImport_AddModule) 250 # define PySys_SetObject dll_PySys_SetObject 251 # define PySys_GetObject dll_PySys_GetObject 252 # define PySys_SetArgv dll_PySys_SetArgv 253 # define PyType_Type (*dll_PyType_Type) 254 # define PySlice_Type (*dll_PySlice_Type) 255 # define PyType_Ready (*dll_PyType_Ready) 256 # define PyType_GenericAlloc dll_PyType_GenericAlloc 257 # define Py_BuildValue dll_Py_BuildValue 258 # define Py_FindMethod dll_Py_FindMethod 259 # define Py_InitModule4 dll_Py_InitModule4 260 # define Py_SetPythonHome dll_Py_SetPythonHome 261 # define Py_Initialize dll_Py_Initialize 262 # define Py_Finalize dll_Py_Finalize 263 # define Py_IsInitialized dll_Py_IsInitialized 264 # define _PyObject_New dll__PyObject_New 265 # define _PyObject_GC_New dll__PyObject_GC_New 266 # ifdef PyObject_GC_Del 267 # define Py_underscore_GC 268 # define _PyObject_GC_Del dll__PyObject_GC_Del 269 # define _PyObject_GC_UnTrack dll__PyObject_GC_UnTrack 270 # else 271 # define PyObject_GC_Del dll_PyObject_GC_Del 272 # define PyObject_GC_UnTrack dll_PyObject_GC_UnTrack 273 # endif 274 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000 275 # define _PyObject_NextNotImplemented (*dll__PyObject_NextNotImplemented) 276 # endif 277 # define _Py_NoneStruct (*dll__Py_NoneStruct) 278 # define _Py_ZeroStruct (*dll__Py_ZeroStruct) 279 # define _Py_TrueStruct (*dll__Py_TrueStruct) 280 # define PyObject_Init dll__PyObject_Init 281 # define PyObject_GetIter dll_PyObject_GetIter 282 # define PyObject_IsTrue dll_PyObject_IsTrue 283 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 284 # define PyType_IsSubtype dll_PyType_IsSubtype 285 # ifdef Py_DEBUG 286 # define _Py_NegativeRefcount dll__Py_NegativeRefcount 287 # define _Py_RefTotal (*dll__Py_RefTotal) 288 # define _Py_Dealloc dll__Py_Dealloc 289 # endif 290 # endif 291 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 292 # if defined(Py_DEBUG) && !defined(Py_DEBUG_NO_PYMALLOC) 293 # define _PyObject_DebugMalloc dll__PyObject_DebugMalloc 294 # define _PyObject_DebugFree dll__PyObject_DebugFree 295 # else 296 # define PyObject_Malloc dll_PyObject_Malloc 297 # define PyObject_Free dll_PyObject_Free 298 # endif 299 # endif 300 # ifdef PY_USE_CAPSULE 301 # define PyCapsule_New dll_PyCapsule_New 302 # define PyCapsule_GetPointer dll_PyCapsule_GetPointer 303 # else 304 # define PyCObject_FromVoidPtr dll_PyCObject_FromVoidPtr 305 # define PyCObject_AsVoidPtr dll_PyCObject_AsVoidPtr 306 # endif 307 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000 308 # define Py_NoSiteFlag (*dll_Py_NoSiteFlag) 309 # endif 310 311 /* 312 * Pointers for dynamic link 313 */ 314 static int(*dll_PyArg_Parse)(PyObject *, char *, ...); 315 static int(*dll_PyArg_ParseTuple)(PyObject *, char *, ...); 316 static int(*dll_PyMem_Free)(void *); 317 static void* (*dll_PyMem_Malloc)(size_t); 318 static int(*dll_PyDict_SetItemString)(PyObject *dp, char *key, PyObject *item); 319 static int(*dll_PyErr_BadArgument)(void); 320 static PyObject *(*dll_PyErr_NewException)(char *, PyObject *, PyObject *); 321 static void(*dll_PyErr_Clear)(void); 322 static PyObject*(*dll_PyErr_Format)(PyObject *, const char *, ...); 323 static void(*dll_PyErr_PrintEx)(int); 324 static PyObject*(*dll_PyErr_NoMemory)(void); 325 static PyObject*(*dll_PyErr_Occurred)(void); 326 static void(*dll_PyErr_SetNone)(PyObject *); 327 static void(*dll_PyErr_SetString)(PyObject *, const char *); 328 static void(*dll_PyErr_SetObject)(PyObject *, PyObject *); 329 static int(*dll_PyErr_ExceptionMatches)(PyObject *); 330 static void(*dll_PyEval_InitThreads)(void); 331 static void(*dll_PyEval_RestoreThread)(PyThreadState *); 332 static PyThreadState*(*dll_PyEval_SaveThread)(void); 333 # ifdef PY_CAN_RECURSE 334 static PyGILState_STATE (*dll_PyGILState_Ensure)(void); 335 static void (*dll_PyGILState_Release)(PyGILState_STATE); 336 # endif 337 static long(*dll_PyInt_AsLong)(PyObject *); 338 static PyObject*(*dll_PyInt_FromLong)(long); 339 static long(*dll_PyLong_AsLong)(PyObject *); 340 static PyObject*(*dll_PyLong_FromLong)(long); 341 static PyTypeObject* dll_PyBool_Type; 342 static PyTypeObject* dll_PyInt_Type; 343 static PyTypeObject* dll_PyLong_Type; 344 static PyObject*(*dll_PyList_GetItem)(PyObject *, PyInt); 345 static int(*dll_PyList_Append)(PyObject *, PyObject *); 346 static int(*dll_PyList_Insert)(PyObject *, PyInt, PyObject *); 347 static PyObject*(*dll_PyList_New)(PyInt size); 348 static int(*dll_PyList_SetItem)(PyObject *, PyInt, PyObject *); 349 static PyInt(*dll_PyList_Size)(PyObject *); 350 static PyTypeObject* dll_PyList_Type; 351 static int (*dll_PySequence_Check)(PyObject *); 352 static PyInt(*dll_PySequence_Size)(PyObject *); 353 static PyObject*(*dll_PySequence_GetItem)(PyObject *, PyInt); 354 static PyObject*(*dll_PySequence_Fast)(PyObject *, const char *); 355 static PyInt(*dll_PyTuple_Size)(PyObject *); 356 static PyObject*(*dll_PyTuple_GetItem)(PyObject *, PyInt); 357 static PyTypeObject* dll_PyTuple_Type; 358 static int (*dll_PySlice_GetIndicesEx)(PySliceObject *r, PyInt length, 359 PyInt *start, PyInt *stop, PyInt *step, 360 PyInt *slicelen); 361 static PyObject*(*dll_PyImport_ImportModule)(const char *); 362 static PyObject*(*dll_PyDict_New)(void); 363 static PyObject*(*dll_PyDict_GetItemString)(PyObject *, const char *); 364 static int (*dll_PyDict_Next)(PyObject *, PyInt *, PyObject **, PyObject **); 365 static PyTypeObject* dll_PyDict_Type; 366 # ifndef PY_NO_MAPPING_KEYS 367 static PyObject* (*dll_PyMapping_Keys)(PyObject *); 368 # endif 369 static PyObject* (*dll_PyObject_GetItem)(PyObject *, PyObject *); 370 static PyObject* (*dll_PyObject_CallMethod)(PyObject *, char *, PyObject *); 371 static int (*dll_PyMapping_Check)(PyObject *); 372 static PyObject* (*dll_PyIter_Next)(PyObject *); 373 static PyObject*(*dll_PyModule_GetDict)(PyObject *); 374 static int(*dll_PyModule_AddObject)(PyObject *, const char *, PyObject *); 375 static int(*dll_PyRun_SimpleString)(char *); 376 static PyObject *(*dll_PyRun_String)(char *, int, PyObject *, PyObject *); 377 static PyObject* (*dll_PyObject_GetAttrString)(PyObject *, const char *); 378 static int (*dll_PyObject_HasAttrString)(PyObject *, const char *); 379 static int (*dll_PyObject_SetAttrString)(PyObject *, const char *, PyObject *); 380 static PyObject* (*dll_PyObject_CallFunctionObjArgs)(PyObject *, ...); 381 static PyObject* (*dll_PyObject_CallFunction)(PyObject *, char *, ...); 382 static PyObject* (*dll_PyObject_Call)(PyObject *, PyObject *, PyObject *); 383 static PyObject* (*dll_PyObject_Repr)(PyObject *); 384 static char*(*dll_PyString_AsString)(PyObject *); 385 static int(*dll_PyString_AsStringAndSize)(PyObject *, char **, PyInt *); 386 static PyObject*(*dll_PyString_FromString)(const char *); 387 static PyObject*(*dll_PyString_FromFormat)(const char *, ...); 388 static PyObject*(*dll_PyString_FromStringAndSize)(const char *, PyInt); 389 static PyInt(*dll_PyString_Size)(PyObject *); 390 static PyTypeObject* dll_PyString_Type; 391 static PyTypeObject* dll_PyUnicode_Type; 392 static PyObject *(*py_PyUnicode_AsEncodedString)(PyObject *, char *, char *); 393 static double(*dll_PyFloat_AsDouble)(PyObject *); 394 static PyObject*(*dll_PyFloat_FromDouble)(double); 395 static PyTypeObject* dll_PyFloat_Type; 396 static int(*dll_PyNumber_Check)(PyObject *); 397 static PyObject*(*dll_PyNumber_Long)(PyObject *); 398 static int(*dll_PySys_SetObject)(char *, PyObject *); 399 static PyObject *(*dll_PySys_GetObject)(char *); 400 static int(*dll_PySys_SetArgv)(int, char **); 401 static PyTypeObject* dll_PyType_Type; 402 static PyTypeObject* dll_PySlice_Type; 403 static int (*dll_PyType_Ready)(PyTypeObject *type); 404 static PyObject* (*dll_PyType_GenericAlloc)(PyTypeObject *type, PyInt nitems); 405 static PyObject*(*dll_Py_BuildValue)(char *, ...); 406 static PyObject*(*dll_Py_FindMethod)(struct PyMethodDef[], PyObject *, char *); 407 static PyObject*(*dll_Py_InitModule4)(char *, struct PyMethodDef *, char *, PyObject *, int); 408 static PyObject*(*dll_PyImport_AddModule)(char *); 409 static void(*dll_Py_SetPythonHome)(char *home); 410 static void(*dll_Py_Initialize)(void); 411 static void(*dll_Py_Finalize)(void); 412 static int(*dll_Py_IsInitialized)(void); 413 static PyObject*(*dll__PyObject_New)(PyTypeObject *, PyObject *); 414 static PyObject*(*dll__PyObject_GC_New)(PyTypeObject *); 415 # ifdef Py_underscore_GC 416 static void(*dll__PyObject_GC_Del)(void *); 417 static void(*dll__PyObject_GC_UnTrack)(void *); 418 # else 419 static void(*dll_PyObject_GC_Del)(void *); 420 static void(*dll_PyObject_GC_UnTrack)(void *); 421 # endif 422 static PyObject*(*dll__PyObject_Init)(PyObject *, PyTypeObject *); 423 static PyObject* (*dll_PyObject_GetIter)(PyObject *); 424 static int (*dll_PyObject_IsTrue)(PyObject *); 425 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000 426 static iternextfunc dll__PyObject_NextNotImplemented; 427 # endif 428 static PyObject* dll__Py_NoneStruct; 429 static PyObject* _Py_ZeroStruct; 430 static PyObject* dll__Py_TrueStruct; 431 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 432 static int (*dll_PyType_IsSubtype)(PyTypeObject *, PyTypeObject *); 433 # ifdef Py_DEBUG 434 static void (*dll__Py_NegativeRefcount)(const char *fname, int lineno, PyObject *op); 435 static PyInt* dll__Py_RefTotal; 436 static void (*dll__Py_Dealloc)(PyObject *obj); 437 # endif 438 # endif 439 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 440 # if defined(Py_DEBUG) && !defined(Py_DEBUG_NO_PYMALLOC) 441 static void (*dll__PyObject_DebugFree)(void*); 442 static void* (*dll__PyObject_DebugMalloc)(size_t); 443 # else 444 static void* (*dll_PyObject_Malloc)(size_t); 445 static void (*dll_PyObject_Free)(void*); 446 # endif 447 # endif 448 # ifdef PY_USE_CAPSULE 449 static PyObject* (*dll_PyCapsule_New)(void *, char *, PyCapsule_Destructor); 450 static void* (*dll_PyCapsule_GetPointer)(PyObject *, char *); 451 # else 452 static PyObject* (*dll_PyCObject_FromVoidPtr)(void *cobj, void (*destr)(void *)); 453 static void* (*dll_PyCObject_AsVoidPtr)(PyObject *); 454 # endif 455 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000 456 static int* dll_Py_NoSiteFlag; 457 # endif 458 459 static HINSTANCE hinstPython = 0; /* Instance of python.dll */ 460 461 /* Imported exception objects */ 462 static PyObject *imp_PyExc_AttributeError; 463 static PyObject *imp_PyExc_IndexError; 464 static PyObject *imp_PyExc_KeyError; 465 static PyObject *imp_PyExc_KeyboardInterrupt; 466 static PyObject *imp_PyExc_TypeError; 467 static PyObject *imp_PyExc_ValueError; 468 static PyObject *imp_PyExc_SystemExit; 469 static PyObject *imp_PyExc_RuntimeError; 470 static PyObject *imp_PyExc_ImportError; 471 static PyObject *imp_PyExc_OverflowError; 472 473 # define PyExc_AttributeError imp_PyExc_AttributeError 474 # define PyExc_IndexError imp_PyExc_IndexError 475 # define PyExc_KeyError imp_PyExc_KeyError 476 # define PyExc_KeyboardInterrupt imp_PyExc_KeyboardInterrupt 477 # define PyExc_TypeError imp_PyExc_TypeError 478 # define PyExc_ValueError imp_PyExc_ValueError 479 # define PyExc_SystemExit imp_PyExc_SystemExit 480 # define PyExc_RuntimeError imp_PyExc_RuntimeError 481 # define PyExc_ImportError imp_PyExc_ImportError 482 # define PyExc_OverflowError imp_PyExc_OverflowError 483 484 /* 485 * Table of name to function pointer of python. 486 */ 487 # define PYTHON_PROC FARPROC 488 static struct 489 { 490 char *name; 491 PYTHON_PROC *ptr; 492 } python_funcname_table[] = 493 { 494 #ifndef PY_SSIZE_T_CLEAN 495 {"PyArg_Parse", (PYTHON_PROC*)&dll_PyArg_Parse}, 496 {"PyArg_ParseTuple", (PYTHON_PROC*)&dll_PyArg_ParseTuple}, 497 {"Py_BuildValue", (PYTHON_PROC*)&dll_Py_BuildValue}, 498 #else 499 {"_PyArg_Parse_SizeT", (PYTHON_PROC*)&dll_PyArg_Parse}, 500 {"_PyArg_ParseTuple_SizeT", (PYTHON_PROC*)&dll_PyArg_ParseTuple}, 501 {"_Py_BuildValue_SizeT", (PYTHON_PROC*)&dll_Py_BuildValue}, 502 #endif 503 {"PyMem_Free", (PYTHON_PROC*)&dll_PyMem_Free}, 504 {"PyMem_Malloc", (PYTHON_PROC*)&dll_PyMem_Malloc}, 505 {"PyDict_SetItemString", (PYTHON_PROC*)&dll_PyDict_SetItemString}, 506 {"PyErr_BadArgument", (PYTHON_PROC*)&dll_PyErr_BadArgument}, 507 {"PyErr_NewException", (PYTHON_PROC*)&dll_PyErr_NewException}, 508 {"PyErr_Clear", (PYTHON_PROC*)&dll_PyErr_Clear}, 509 {"PyErr_Format", (PYTHON_PROC*)&dll_PyErr_Format}, 510 {"PyErr_PrintEx", (PYTHON_PROC*)&dll_PyErr_PrintEx}, 511 {"PyErr_NoMemory", (PYTHON_PROC*)&dll_PyErr_NoMemory}, 512 {"PyErr_Occurred", (PYTHON_PROC*)&dll_PyErr_Occurred}, 513 {"PyErr_SetNone", (PYTHON_PROC*)&dll_PyErr_SetNone}, 514 {"PyErr_SetString", (PYTHON_PROC*)&dll_PyErr_SetString}, 515 {"PyErr_SetObject", (PYTHON_PROC*)&dll_PyErr_SetObject}, 516 {"PyErr_ExceptionMatches", (PYTHON_PROC*)&dll_PyErr_ExceptionMatches}, 517 {"PyEval_InitThreads", (PYTHON_PROC*)&dll_PyEval_InitThreads}, 518 {"PyEval_RestoreThread", (PYTHON_PROC*)&dll_PyEval_RestoreThread}, 519 {"PyEval_SaveThread", (PYTHON_PROC*)&dll_PyEval_SaveThread}, 520 # ifdef PY_CAN_RECURSE 521 {"PyGILState_Ensure", (PYTHON_PROC*)&dll_PyGILState_Ensure}, 522 {"PyGILState_Release", (PYTHON_PROC*)&dll_PyGILState_Release}, 523 # endif 524 {"PyInt_AsLong", (PYTHON_PROC*)&dll_PyInt_AsLong}, 525 {"PyInt_FromLong", (PYTHON_PROC*)&dll_PyInt_FromLong}, 526 {"PyLong_AsLong", (PYTHON_PROC*)&dll_PyLong_AsLong}, 527 {"PyLong_FromLong", (PYTHON_PROC*)&dll_PyLong_FromLong}, 528 {"PyBool_Type", (PYTHON_PROC*)&dll_PyBool_Type}, 529 {"PyInt_Type", (PYTHON_PROC*)&dll_PyInt_Type}, 530 {"PyLong_Type", (PYTHON_PROC*)&dll_PyLong_Type}, 531 {"PyList_GetItem", (PYTHON_PROC*)&dll_PyList_GetItem}, 532 {"PyList_Append", (PYTHON_PROC*)&dll_PyList_Append}, 533 {"PyList_Insert", (PYTHON_PROC*)&dll_PyList_Insert}, 534 {"PyList_New", (PYTHON_PROC*)&dll_PyList_New}, 535 {"PyList_SetItem", (PYTHON_PROC*)&dll_PyList_SetItem}, 536 {"PyList_Size", (PYTHON_PROC*)&dll_PyList_Size}, 537 {"PyList_Type", (PYTHON_PROC*)&dll_PyList_Type}, 538 {"PySequence_Size", (PYTHON_PROC*)&dll_PySequence_Size}, 539 {"PySequence_Check", (PYTHON_PROC*)&dll_PySequence_Check}, 540 {"PySequence_GetItem", (PYTHON_PROC*)&dll_PySequence_GetItem}, 541 {"PySequence_Fast", (PYTHON_PROC*)&dll_PySequence_Fast}, 542 {"PyTuple_GetItem", (PYTHON_PROC*)&dll_PyTuple_GetItem}, 543 {"PyTuple_Size", (PYTHON_PROC*)&dll_PyTuple_Size}, 544 {"PyTuple_Type", (PYTHON_PROC*)&dll_PyTuple_Type}, 545 {"PySlice_GetIndicesEx", (PYTHON_PROC*)&dll_PySlice_GetIndicesEx}, 546 {"PyImport_ImportModule", (PYTHON_PROC*)&dll_PyImport_ImportModule}, 547 {"PyDict_GetItemString", (PYTHON_PROC*)&dll_PyDict_GetItemString}, 548 {"PyDict_Next", (PYTHON_PROC*)&dll_PyDict_Next}, 549 {"PyDict_New", (PYTHON_PROC*)&dll_PyDict_New}, 550 {"PyDict_Type", (PYTHON_PROC*)&dll_PyDict_Type}, 551 # ifndef PY_NO_MAPPING_KEYS 552 {"PyMapping_Keys", (PYTHON_PROC*)&dll_PyMapping_Keys}, 553 # endif 554 {"PyObject_GetItem", (PYTHON_PROC*)&dll_PyObject_GetItem}, 555 {"PyObject_CallMethod", (PYTHON_PROC*)&dll_PyObject_CallMethod}, 556 {"PyMapping_Check", (PYTHON_PROC*)&dll_PyMapping_Check}, 557 {"PyIter_Next", (PYTHON_PROC*)&dll_PyIter_Next}, 558 {"PyModule_GetDict", (PYTHON_PROC*)&dll_PyModule_GetDict}, 559 {"PyModule_AddObject", (PYTHON_PROC*)&dll_PyModule_AddObject}, 560 {"PyRun_SimpleString", (PYTHON_PROC*)&dll_PyRun_SimpleString}, 561 {"PyRun_String", (PYTHON_PROC*)&dll_PyRun_String}, 562 {"PyObject_GetAttrString", (PYTHON_PROC*)&dll_PyObject_GetAttrString}, 563 {"PyObject_HasAttrString", (PYTHON_PROC*)&dll_PyObject_HasAttrString}, 564 {"PyObject_SetAttrString", (PYTHON_PROC*)&dll_PyObject_SetAttrString}, 565 {"PyObject_CallFunctionObjArgs", (PYTHON_PROC*)&dll_PyObject_CallFunctionObjArgs}, 566 {"PyObject_CallFunction", (PYTHON_PROC*)&dll_PyObject_CallFunction}, 567 {"PyObject_Call", (PYTHON_PROC*)&dll_PyObject_Call}, 568 {"PyObject_Repr", (PYTHON_PROC*)&dll_PyObject_Repr}, 569 {"PyString_AsString", (PYTHON_PROC*)&dll_PyString_AsString}, 570 {"PyString_AsStringAndSize", (PYTHON_PROC*)&dll_PyString_AsStringAndSize}, 571 {"PyString_FromString", (PYTHON_PROC*)&dll_PyString_FromString}, 572 {"PyString_FromFormat", (PYTHON_PROC*)&dll_PyString_FromFormat}, 573 {"PyString_FromStringAndSize", (PYTHON_PROC*)&dll_PyString_FromStringAndSize}, 574 {"PyString_Size", (PYTHON_PROC*)&dll_PyString_Size}, 575 {"PyString_Type", (PYTHON_PROC*)&dll_PyString_Type}, 576 {"PyUnicode_Type", (PYTHON_PROC*)&dll_PyUnicode_Type}, 577 {"PyFloat_Type", (PYTHON_PROC*)&dll_PyFloat_Type}, 578 {"PyFloat_AsDouble", (PYTHON_PROC*)&dll_PyFloat_AsDouble}, 579 {"PyFloat_FromDouble", (PYTHON_PROC*)&dll_PyFloat_FromDouble}, 580 {"PyImport_AddModule", (PYTHON_PROC*)&dll_PyImport_AddModule}, 581 {"PyNumber_Check", (PYTHON_PROC*)&dll_PyNumber_Check}, 582 {"PyNumber_Long", (PYTHON_PROC*)&dll_PyNumber_Long}, 583 {"PySys_SetObject", (PYTHON_PROC*)&dll_PySys_SetObject}, 584 {"PySys_GetObject", (PYTHON_PROC*)&dll_PySys_GetObject}, 585 {"PySys_SetArgv", (PYTHON_PROC*)&dll_PySys_SetArgv}, 586 {"PyType_Type", (PYTHON_PROC*)&dll_PyType_Type}, 587 {"PySlice_Type", (PYTHON_PROC*)&dll_PySlice_Type}, 588 {"PyType_Ready", (PYTHON_PROC*)&dll_PyType_Ready}, 589 {"PyType_GenericAlloc", (PYTHON_PROC*)&dll_PyType_GenericAlloc}, 590 {"Py_FindMethod", (PYTHON_PROC*)&dll_Py_FindMethod}, 591 {"Py_SetPythonHome", (PYTHON_PROC*)&dll_Py_SetPythonHome}, 592 {"Py_Initialize", (PYTHON_PROC*)&dll_Py_Initialize}, 593 {"Py_Finalize", (PYTHON_PROC*)&dll_Py_Finalize}, 594 {"Py_IsInitialized", (PYTHON_PROC*)&dll_Py_IsInitialized}, 595 {"_PyObject_New", (PYTHON_PROC*)&dll__PyObject_New}, 596 {"_PyObject_GC_New", (PYTHON_PROC*)&dll__PyObject_GC_New}, 597 # ifdef Py_underscore_GC 598 {"_PyObject_GC_Del", (PYTHON_PROC*)&dll__PyObject_GC_Del}, 599 {"_PyObject_GC_UnTrack", (PYTHON_PROC*)&dll__PyObject_GC_UnTrack}, 600 # else 601 {"PyObject_GC_Del", (PYTHON_PROC*)&dll_PyObject_GC_Del}, 602 {"PyObject_GC_UnTrack", (PYTHON_PROC*)&dll_PyObject_GC_UnTrack}, 603 # endif 604 {"PyObject_Init", (PYTHON_PROC*)&dll__PyObject_Init}, 605 {"PyObject_GetIter", (PYTHON_PROC*)&dll_PyObject_GetIter}, 606 {"PyObject_IsTrue", (PYTHON_PROC*)&dll_PyObject_IsTrue}, 607 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000 608 {"_PyObject_NextNotImplemented", (PYTHON_PROC*)&dll__PyObject_NextNotImplemented}, 609 # endif 610 {"_Py_NoneStruct", (PYTHON_PROC*)&dll__Py_NoneStruct}, 611 {"_Py_ZeroStruct", (PYTHON_PROC*)&dll__Py_ZeroStruct}, 612 {"_Py_TrueStruct", (PYTHON_PROC*)&dll__Py_TrueStruct}, 613 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 614 # ifdef Py_DEBUG 615 {"_Py_NegativeRefcount", (PYTHON_PROC*)&dll__Py_NegativeRefcount}, 616 {"_Py_RefTotal", (PYTHON_PROC*)&dll__Py_RefTotal}, 617 {"_Py_Dealloc", (PYTHON_PROC*)&dll__Py_Dealloc}, 618 # endif 619 {"PyType_IsSubtype", (PYTHON_PROC*)&dll_PyType_IsSubtype}, 620 # endif 621 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 622 # if defined(Py_DEBUG) && !defined(Py_DEBUG_NO_PYMALLOC) 623 {"_PyObject_DebugFree", (PYTHON_PROC*)&dll__PyObject_DebugFree}, 624 {"_PyObject_DebugMalloc", (PYTHON_PROC*)&dll__PyObject_DebugMalloc}, 625 # else 626 {"PyObject_Malloc", (PYTHON_PROC*)&dll_PyObject_Malloc}, 627 {"PyObject_Free", (PYTHON_PROC*)&dll_PyObject_Free}, 628 # endif 629 # endif 630 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02050000 \ 631 && SIZEOF_SIZE_T != VIM_SIZEOF_INT 632 # ifdef Py_DEBUG 633 {"Py_InitModule4TraceRefs_64", (PYTHON_PROC*)&dll_Py_InitModule4}, 634 # else 635 {"Py_InitModule4_64", (PYTHON_PROC*)&dll_Py_InitModule4}, 636 # endif 637 # else 638 # ifdef Py_DEBUG 639 {"Py_InitModule4TraceRefs", (PYTHON_PROC*)&dll_Py_InitModule4}, 640 # else 641 {"Py_InitModule4", (PYTHON_PROC*)&dll_Py_InitModule4}, 642 # endif 643 # endif 644 # ifdef PY_USE_CAPSULE 645 {"PyCapsule_New", (PYTHON_PROC*)&dll_PyCapsule_New}, 646 {"PyCapsule_GetPointer", (PYTHON_PROC*)&dll_PyCapsule_GetPointer}, 647 # else 648 {"PyCObject_FromVoidPtr", (PYTHON_PROC*)&dll_PyCObject_FromVoidPtr}, 649 {"PyCObject_AsVoidPtr", (PYTHON_PROC*)&dll_PyCObject_AsVoidPtr}, 650 # endif 651 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000 652 {"Py_NoSiteFlag", (PYTHON_PROC*)&dll_Py_NoSiteFlag}, 653 # endif 654 {"", NULL}, 655 }; 656 657 /* 658 * Free python.dll 659 */ 660 static void 661 end_dynamic_python(void) 662 { 663 if (hinstPython) 664 { 665 close_dll(hinstPython); 666 hinstPython = 0; 667 } 668 } 669 670 /* 671 * Load library and get all pointers. 672 * Parameter 'libname' provides name of DLL. 673 * Return OK or FAIL. 674 */ 675 static int 676 python_runtime_link_init(char *libname, int verbose) 677 { 678 int i; 679 void *ucs_as_encoded_string; 680 681 #if !(defined(PY_NO_RTLD_GLOBAL) && defined(PY3_NO_RTLD_GLOBAL)) && defined(UNIX) && defined(FEAT_PYTHON3) 682 /* Can't have Python and Python3 loaded at the same time. 683 * It cause a crash, because RTLD_GLOBAL is needed for 684 * standard C extension libraries of one or both python versions. */ 685 if (python3_loaded()) 686 { 687 if (verbose) 688 EMSG(_("E836: This Vim cannot execute :python after using :py3")); 689 return FAIL; 690 } 691 #endif 692 693 if (hinstPython) 694 return OK; 695 hinstPython = load_dll(libname); 696 if (!hinstPython) 697 { 698 if (verbose) 699 EMSG2(_(e_loadlib), libname); 700 return FAIL; 701 } 702 703 for (i = 0; python_funcname_table[i].ptr; ++i) 704 { 705 if ((*python_funcname_table[i].ptr = symbol_from_dll(hinstPython, 706 python_funcname_table[i].name)) == NULL) 707 { 708 close_dll(hinstPython); 709 hinstPython = 0; 710 if (verbose) 711 EMSG2(_(e_loadfunc), python_funcname_table[i].name); 712 return FAIL; 713 } 714 } 715 716 /* Load unicode functions separately as only the ucs2 or the ucs4 functions 717 * will be present in the library. */ 718 ucs_as_encoded_string = symbol_from_dll(hinstPython, 719 "PyUnicodeUCS2_AsEncodedString"); 720 if (ucs_as_encoded_string == NULL) 721 ucs_as_encoded_string = symbol_from_dll(hinstPython, 722 "PyUnicodeUCS4_AsEncodedString"); 723 if (ucs_as_encoded_string != NULL) 724 py_PyUnicode_AsEncodedString = ucs_as_encoded_string; 725 else 726 { 727 close_dll(hinstPython); 728 hinstPython = 0; 729 if (verbose) 730 EMSG2(_(e_loadfunc), "PyUnicode_UCSX_*"); 731 return FAIL; 732 } 733 734 return OK; 735 } 736 737 /* 738 * If python is enabled (there is installed python on Windows system) return 739 * TRUE, else FALSE. 740 */ 741 int 742 python_enabled(int verbose) 743 { 744 return python_runtime_link_init((char *)p_pydll, verbose) == OK; 745 } 746 747 /* 748 * Load the standard Python exceptions - don't import the symbols from the 749 * DLL, as this can cause errors (importing data symbols is not reliable). 750 */ 751 static void 752 get_exceptions(void) 753 { 754 PyObject *exmod = PyImport_ImportModule("exceptions"); 755 PyObject *exdict = PyModule_GetDict(exmod); 756 imp_PyExc_AttributeError = PyDict_GetItemString(exdict, "AttributeError"); 757 imp_PyExc_IndexError = PyDict_GetItemString(exdict, "IndexError"); 758 imp_PyExc_KeyError = PyDict_GetItemString(exdict, "KeyError"); 759 imp_PyExc_KeyboardInterrupt = PyDict_GetItemString(exdict, "KeyboardInterrupt"); 760 imp_PyExc_TypeError = PyDict_GetItemString(exdict, "TypeError"); 761 imp_PyExc_ValueError = PyDict_GetItemString(exdict, "ValueError"); 762 imp_PyExc_SystemExit = PyDict_GetItemString(exdict, "SystemExit"); 763 imp_PyExc_RuntimeError = PyDict_GetItemString(exdict, "RuntimeError"); 764 imp_PyExc_ImportError = PyDict_GetItemString(exdict, "ImportError"); 765 imp_PyExc_OverflowError = PyDict_GetItemString(exdict, "OverflowError"); 766 Py_XINCREF(imp_PyExc_AttributeError); 767 Py_XINCREF(imp_PyExc_IndexError); 768 Py_XINCREF(imp_PyExc_KeyError); 769 Py_XINCREF(imp_PyExc_KeyboardInterrupt); 770 Py_XINCREF(imp_PyExc_TypeError); 771 Py_XINCREF(imp_PyExc_ValueError); 772 Py_XINCREF(imp_PyExc_SystemExit); 773 Py_XINCREF(imp_PyExc_RuntimeError); 774 Py_XINCREF(imp_PyExc_ImportError); 775 Py_XINCREF(imp_PyExc_OverflowError); 776 Py_XDECREF(exmod); 777 } 778 #endif /* DYNAMIC_PYTHON */ 779 780 static int initialised = 0; 781 #define PYINITIALISED initialised 782 783 #define DESTRUCTOR_FINISH(self) self->ob_type->tp_free((PyObject*)self); 784 785 #define WIN_PYTHON_REF(win) win->w_python_ref 786 #define BUF_PYTHON_REF(buf) buf->b_python_ref 787 #define TAB_PYTHON_REF(tab) tab->tp_python_ref 788 789 static PyObject *OutputGetattr(PyObject *, char *); 790 static PyObject *BufferGetattr(PyObject *, char *); 791 static PyObject *WindowGetattr(PyObject *, char *); 792 static PyObject *TabPageGetattr(PyObject *, char *); 793 static PyObject *RangeGetattr(PyObject *, char *); 794 static PyObject *DictionaryGetattr(PyObject *, char*); 795 static PyObject *ListGetattr(PyObject *, char *); 796 static PyObject *FunctionGetattr(PyObject *, char *); 797 798 #ifndef Py_VISIT 799 # define Py_VISIT(obj) visit(obj, arg) 800 #endif 801 #ifndef Py_CLEAR 802 # define Py_CLEAR(obj) \ 803 { \ 804 Py_XDECREF(obj); \ 805 obj = NULL; \ 806 } 807 #endif 808 809 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) 810 static void * 811 py_memsave(void *p, size_t len) 812 { 813 void *r; 814 815 if (!(r = PyMem_Malloc(len))) 816 return NULL; 817 mch_memmove(r, p, len); 818 return r; 819 } 820 821 # define PY_STRSAVE(s) ((char_u *) py_memsave(s, STRLEN(s) + 1)) 822 #endif 823 824 typedef PySliceObject PySliceObject_T; 825 826 /* 827 * Include the code shared with if_python3.c 828 */ 829 #include "if_py_both.h" 830 831 832 /****************************************************** 833 * Internal function prototypes. 834 */ 835 836 static int PythonMod_Init(void); 837 838 839 /****************************************************** 840 * 1. Python interpreter main program. 841 */ 842 843 #if PYTHON_API_VERSION < 1007 /* Python 1.4 */ 844 typedef PyObject PyThreadState; 845 #endif 846 847 #ifndef PY_CAN_RECURSE 848 static PyThreadState *saved_python_thread = NULL; 849 850 /* 851 * Suspend a thread of the Python interpreter, other threads are allowed to 852 * run. 853 */ 854 static void 855 Python_SaveThread(void) 856 { 857 saved_python_thread = PyEval_SaveThread(); 858 } 859 860 /* 861 * Restore a thread of the Python interpreter, waits for other threads to 862 * block. 863 */ 864 static void 865 Python_RestoreThread(void) 866 { 867 PyEval_RestoreThread(saved_python_thread); 868 saved_python_thread = NULL; 869 } 870 #endif 871 872 void 873 python_end(void) 874 { 875 static int recurse = 0; 876 877 /* If a crash occurs while doing this, don't try again. */ 878 if (recurse != 0) 879 return; 880 881 ++recurse; 882 883 #ifdef DYNAMIC_PYTHON 884 if (hinstPython && Py_IsInitialized()) 885 { 886 # ifdef PY_CAN_RECURSE 887 PyGILState_Ensure(); 888 # else 889 Python_RestoreThread(); /* enter python */ 890 # endif 891 Py_Finalize(); 892 } 893 end_dynamic_python(); 894 #else 895 if (Py_IsInitialized()) 896 { 897 # ifdef PY_CAN_RECURSE 898 PyGILState_Ensure(); 899 # else 900 Python_RestoreThread(); /* enter python */ 901 # endif 902 Py_Finalize(); 903 } 904 #endif 905 906 --recurse; 907 } 908 909 #if (defined(DYNAMIC_PYTHON) && defined(FEAT_PYTHON3)) || defined(PROTO) 910 int 911 python_loaded(void) 912 { 913 return (hinstPython != 0); 914 } 915 #endif 916 917 static int 918 Python_Init(void) 919 { 920 if (!initialised) 921 { 922 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000 923 PyObject *site; 924 #endif 925 926 #ifdef DYNAMIC_PYTHON 927 if (!python_enabled(TRUE)) 928 { 929 EMSG(_("E263: Sorry, this command is disabled, the Python library could not be loaded.")); 930 goto fail; 931 } 932 #endif 933 934 #ifdef PYTHON_HOME 935 # ifdef DYNAMIC_PYTHON 936 if (mch_getenv((char_u *)"PYTHONHOME") == NULL) 937 # endif 938 Py_SetPythonHome(PYTHON_HOME); 939 #endif 940 941 init_structs(); 942 943 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000 944 /* Disable implicit 'import site', because it may cause Vim to exit 945 * when it can't be found. */ 946 Py_NoSiteFlag++; 947 #endif 948 949 #if !defined(MACOS) || defined(MACOS_X_UNIX) 950 Py_Initialize(); 951 #else 952 PyMac_Initialize(); 953 #endif 954 955 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000 956 /* 'import site' explicitly. */ 957 site = PyImport_ImportModule("site"); 958 if (site == NULL) 959 { 960 EMSG(_("E887: Sorry, this command is disabled, the Python's site module could not be loaded.")); 961 goto fail; 962 } 963 Py_DECREF(site); 964 #endif 965 966 /* Initialise threads, and below save the state using 967 * PyEval_SaveThread. Without the call to PyEval_SaveThread, thread 968 * specific state (such as the system trace hook), will be lost 969 * between invocations of Python code. */ 970 PyEval_InitThreads(); 971 #ifdef DYNAMIC_PYTHON 972 get_exceptions(); 973 #endif 974 975 if (PythonIO_Init_io()) 976 goto fail; 977 978 if (PythonMod_Init()) 979 goto fail; 980 981 globals = PyModule_GetDict(PyImport_AddModule("__main__")); 982 983 /* Remove the element from sys.path that was added because of our 984 * argv[0] value in PythonMod_Init(). Previously we used an empty 985 * string, but depending on the OS we then get an empty entry or 986 * the current directory in sys.path. */ 987 PyRun_SimpleString("import sys; sys.path = filter(lambda x: x != '/must>not&exist', sys.path)"); 988 989 /* lock is created and acquired in PyEval_InitThreads() and thread 990 * state is created in Py_Initialize() 991 * there _PyGILState_NoteThreadState() also sets gilcounter to 1 992 * (python must have threads enabled!) 993 * so the following does both: unlock GIL and save thread state in TLS 994 * without deleting thread state 995 */ 996 #ifndef PY_CAN_RECURSE 997 saved_python_thread = 998 #endif 999 PyEval_SaveThread(); 1000 1001 initialised = 1; 1002 } 1003 1004 return 0; 1005 1006 fail: 1007 /* We call PythonIO_Flush() here to print any Python errors. 1008 * This is OK, as it is possible to call this function even 1009 * if PythonIO_Init_io() has not completed successfully (it will 1010 * not do anything in this case). 1011 */ 1012 PythonIO_Flush(); 1013 return -1; 1014 } 1015 1016 /* 1017 * External interface 1018 */ 1019 static void 1020 DoPyCommand(const char *cmd, rangeinitializer init_range, runner run, void *arg) 1021 { 1022 #ifndef PY_CAN_RECURSE 1023 static int recursive = 0; 1024 #endif 1025 #if defined(MACOS) && !defined(MACOS_X_UNIX) 1026 GrafPtr oldPort; 1027 #endif 1028 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) 1029 char *saved_locale; 1030 #endif 1031 #ifdef PY_CAN_RECURSE 1032 PyGILState_STATE pygilstate; 1033 #endif 1034 1035 #ifndef PY_CAN_RECURSE 1036 if (recursive) 1037 { 1038 EMSG(_("E659: Cannot invoke Python recursively")); 1039 return; 1040 } 1041 ++recursive; 1042 #endif 1043 1044 #if defined(MACOS) && !defined(MACOS_X_UNIX) 1045 GetPort(&oldPort); 1046 /* Check if the Python library is available */ 1047 if ((Ptr)PyMac_Initialize == (Ptr)kUnresolvedCFragSymbolAddress) 1048 goto theend; 1049 #endif 1050 if (Python_Init()) 1051 goto theend; 1052 1053 init_range(arg); 1054 1055 Python_Release_Vim(); /* leave vim */ 1056 1057 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) 1058 /* Python only works properly when the LC_NUMERIC locale is "C". */ 1059 saved_locale = setlocale(LC_NUMERIC, NULL); 1060 if (saved_locale == NULL || STRCMP(saved_locale, "C") == 0) 1061 saved_locale = NULL; 1062 else 1063 { 1064 /* Need to make a copy, value may change when setting new locale. */ 1065 saved_locale = (char *) PY_STRSAVE(saved_locale); 1066 (void)setlocale(LC_NUMERIC, "C"); 1067 } 1068 #endif 1069 1070 #ifdef PY_CAN_RECURSE 1071 pygilstate = PyGILState_Ensure(); 1072 #else 1073 Python_RestoreThread(); /* enter python */ 1074 #endif 1075 1076 run((char *) cmd, arg 1077 #ifdef PY_CAN_RECURSE 1078 , &pygilstate 1079 #endif 1080 ); 1081 1082 #ifdef PY_CAN_RECURSE 1083 PyGILState_Release(pygilstate); 1084 #else 1085 Python_SaveThread(); /* leave python */ 1086 #endif 1087 1088 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) 1089 if (saved_locale != NULL) 1090 { 1091 (void)setlocale(LC_NUMERIC, saved_locale); 1092 PyMem_Free(saved_locale); 1093 } 1094 #endif 1095 1096 Python_Lock_Vim(); /* enter vim */ 1097 PythonIO_Flush(); 1098 #if defined(MACOS) && !defined(MACOS_X_UNIX) 1099 SetPort(oldPort); 1100 #endif 1101 1102 theend: 1103 #ifndef PY_CAN_RECURSE 1104 --recursive; 1105 #endif 1106 return; 1107 } 1108 1109 /* 1110 * ":python" 1111 */ 1112 void 1113 ex_python(exarg_T *eap) 1114 { 1115 char_u *script; 1116 1117 script = script_get(eap, eap->arg); 1118 if (!eap->skip) 1119 { 1120 DoPyCommand(script == NULL ? (char *) eap->arg : (char *) script, 1121 (rangeinitializer) init_range_cmd, 1122 (runner) run_cmd, 1123 (void *) eap); 1124 } 1125 vim_free(script); 1126 } 1127 1128 #define BUFFER_SIZE 1024 1129 1130 /* 1131 * ":pyfile" 1132 */ 1133 void 1134 ex_pyfile(exarg_T *eap) 1135 { 1136 static char buffer[BUFFER_SIZE]; 1137 const char *file = (char *)eap->arg; 1138 char *p; 1139 1140 /* Have to do it like this. PyRun_SimpleFile requires you to pass a 1141 * stdio file pointer, but Vim and the Python DLL are compiled with 1142 * different options under Windows, meaning that stdio pointers aren't 1143 * compatible between the two. Yuk. 1144 * 1145 * Put the string "execfile('file')" into buffer. But, we need to 1146 * escape any backslashes or single quotes in the file name, so that 1147 * Python won't mangle the file name. 1148 */ 1149 strcpy(buffer, "execfile('"); 1150 p = buffer + 10; /* size of "execfile('" */ 1151 1152 while (*file && p < buffer + (BUFFER_SIZE - 3)) 1153 { 1154 if (*file == '\\' || *file == '\'') 1155 *p++ = '\\'; 1156 *p++ = *file++; 1157 } 1158 1159 /* If we didn't finish the file name, we hit a buffer overflow */ 1160 if (*file != '\0') 1161 return; 1162 1163 /* Put in the terminating "')" and a null */ 1164 *p++ = '\''; 1165 *p++ = ')'; 1166 *p++ = '\0'; 1167 1168 /* Execute the file */ 1169 DoPyCommand(buffer, 1170 (rangeinitializer) init_range_cmd, 1171 (runner) run_cmd, 1172 (void *) eap); 1173 } 1174 1175 void 1176 ex_pydo(exarg_T *eap) 1177 { 1178 DoPyCommand((char *)eap->arg, 1179 (rangeinitializer) init_range_cmd, 1180 (runner)run_do, 1181 (void *)eap); 1182 } 1183 1184 /****************************************************** 1185 * 2. Python output stream: writes output via [e]msg(). 1186 */ 1187 1188 /* Implementation functions 1189 */ 1190 1191 static PyObject * 1192 OutputGetattr(PyObject *self, char *name) 1193 { 1194 if (strcmp(name, "softspace") == 0) 1195 return PyInt_FromLong(((OutputObject *)(self))->softspace); 1196 else if (strcmp(name, "__members__") == 0) 1197 return ObjectDir(NULL, OutputAttrs); 1198 1199 return Py_FindMethod(OutputMethods, self, name); 1200 } 1201 1202 /****************************************************** 1203 * 3. Implementation of the Vim module for Python 1204 */ 1205 1206 /* Window type - Implementation functions 1207 * -------------------------------------- 1208 */ 1209 1210 #define WindowType_Check(obj) ((obj)->ob_type == &WindowType) 1211 1212 /* Buffer type - Implementation functions 1213 * -------------------------------------- 1214 */ 1215 1216 #define BufferType_Check(obj) ((obj)->ob_type == &BufferType) 1217 1218 static PyInt BufferAssItem(PyObject *, PyInt, PyObject *); 1219 static PyInt BufferAssSlice(PyObject *, PyInt, PyInt, PyObject *); 1220 1221 /* Line range type - Implementation functions 1222 * -------------------------------------- 1223 */ 1224 1225 #define RangeType_Check(obj) ((obj)->ob_type == &RangeType) 1226 1227 static PyInt RangeAssItem(PyObject *, PyInt, PyObject *); 1228 static PyInt RangeAssSlice(PyObject *, PyInt, PyInt, PyObject *); 1229 1230 /* Current objects type - Implementation functions 1231 * ----------------------------------------------- 1232 */ 1233 1234 static PySequenceMethods BufferAsSeq = { 1235 (PyInquiry) BufferLength, /* sq_length, len(x) */ 1236 (binaryfunc) 0, /* BufferConcat, sq_concat, x+y */ 1237 (PyIntArgFunc) 0, /* BufferRepeat, sq_repeat, x*n */ 1238 (PyIntArgFunc) BufferItem, /* sq_item, x[i] */ 1239 (PyIntIntArgFunc) BufferSlice, /* sq_slice, x[i:j] */ 1240 (PyIntObjArgProc) BufferAssItem, /* sq_ass_item, x[i]=v */ 1241 (PyIntIntObjArgProc) BufferAssSlice, /* sq_ass_slice, x[i:j]=v */ 1242 (objobjproc) 0, 1243 (binaryfunc) 0, 1244 0, 1245 }; 1246 1247 /* Buffer object - Implementation 1248 */ 1249 1250 static PyObject * 1251 BufferGetattr(PyObject *self, char *name) 1252 { 1253 PyObject *r; 1254 1255 if ((r = BufferAttrValid((BufferObject *)(self), name))) 1256 return r; 1257 1258 if (CheckBuffer((BufferObject *)(self))) 1259 return NULL; 1260 1261 r = BufferAttr((BufferObject *)(self), name); 1262 if (r || PyErr_Occurred()) 1263 return r; 1264 else 1265 return Py_FindMethod(BufferMethods, self, name); 1266 } 1267 1268 /******************/ 1269 1270 static PyInt 1271 BufferAssItem(PyObject *self, PyInt n, PyObject *val) 1272 { 1273 return RBAsItem((BufferObject *)(self), n, val, 1, -1, NULL); 1274 } 1275 1276 static PyInt 1277 BufferAssSlice(PyObject *self, PyInt lo, PyInt hi, PyObject *val) 1278 { 1279 return RBAsSlice((BufferObject *)(self), lo, hi, val, 1, -1, NULL); 1280 } 1281 1282 static PySequenceMethods RangeAsSeq = { 1283 (PyInquiry) RangeLength, /* sq_length, len(x) */ 1284 (binaryfunc) 0, /* RangeConcat, */ /* sq_concat, x+y */ 1285 (PyIntArgFunc) 0, /* RangeRepeat, */ /* sq_repeat, x*n */ 1286 (PyIntArgFunc) RangeItem, /* sq_item, x[i] */ 1287 (PyIntIntArgFunc) RangeSlice, /* sq_slice, x[i:j] */ 1288 (PyIntObjArgProc) RangeAssItem, /* sq_ass_item, x[i]=v */ 1289 (PyIntIntObjArgProc) RangeAssSlice, /* sq_ass_slice, x[i:j]=v */ 1290 (objobjproc) 0, 1291 #if PY_MAJOR_VERSION >= 2 1292 (binaryfunc) 0, 1293 0, 1294 #endif 1295 }; 1296 1297 /* Line range object - Implementation 1298 */ 1299 1300 static PyObject * 1301 RangeGetattr(PyObject *self, char *name) 1302 { 1303 if (strcmp(name, "start") == 0) 1304 return Py_BuildValue(Py_ssize_t_fmt, ((RangeObject *)(self))->start - 1); 1305 else if (strcmp(name, "end") == 0) 1306 return Py_BuildValue(Py_ssize_t_fmt, ((RangeObject *)(self))->end - 1); 1307 else if (strcmp(name, "__members__") == 0) 1308 return ObjectDir(NULL, RangeAttrs); 1309 else 1310 return Py_FindMethod(RangeMethods, self, name); 1311 } 1312 1313 /****************/ 1314 1315 static PyInt 1316 RangeAssItem(PyObject *self, PyInt n, PyObject *val) 1317 { 1318 return RBAsItem(((RangeObject *)(self))->buf, n, val, 1319 ((RangeObject *)(self))->start, 1320 ((RangeObject *)(self))->end, 1321 &((RangeObject *)(self))->end); 1322 } 1323 1324 static PyInt 1325 RangeAssSlice(PyObject *self, PyInt lo, PyInt hi, PyObject *val) 1326 { 1327 return RBAsSlice(((RangeObject *)(self))->buf, lo, hi, val, 1328 ((RangeObject *)(self))->start, 1329 ((RangeObject *)(self))->end, 1330 &((RangeObject *)(self))->end); 1331 } 1332 1333 /* TabPage object - Implementation 1334 */ 1335 1336 static PyObject * 1337 TabPageGetattr(PyObject *self, char *name) 1338 { 1339 PyObject *r; 1340 1341 if ((r = TabPageAttrValid((TabPageObject *)(self), name))) 1342 return r; 1343 1344 if (CheckTabPage((TabPageObject *)(self))) 1345 return NULL; 1346 1347 r = TabPageAttr((TabPageObject *)(self), name); 1348 if (r || PyErr_Occurred()) 1349 return r; 1350 else 1351 return Py_FindMethod(TabPageMethods, self, name); 1352 } 1353 1354 /* Window object - Implementation 1355 */ 1356 1357 static PyObject * 1358 WindowGetattr(PyObject *self, char *name) 1359 { 1360 PyObject *r; 1361 1362 if ((r = WindowAttrValid((WindowObject *)(self), name))) 1363 return r; 1364 1365 if (CheckWindow((WindowObject *)(self))) 1366 return NULL; 1367 1368 r = WindowAttr((WindowObject *)(self), name); 1369 if (r || PyErr_Occurred()) 1370 return r; 1371 else 1372 return Py_FindMethod(WindowMethods, self, name); 1373 } 1374 1375 /* Tab page list object - Definitions 1376 */ 1377 1378 static PySequenceMethods TabListAsSeq = { 1379 (PyInquiry) TabListLength, /* sq_length, len(x) */ 1380 (binaryfunc) 0, /* sq_concat, x+y */ 1381 (PyIntArgFunc) 0, /* sq_repeat, x*n */ 1382 (PyIntArgFunc) TabListItem, /* sq_item, x[i] */ 1383 (PyIntIntArgFunc) 0, /* sq_slice, x[i:j] */ 1384 (PyIntObjArgProc) 0, /* sq_ass_item, x[i]=v */ 1385 (PyIntIntObjArgProc) 0, /* sq_ass_slice, x[i:j]=v */ 1386 (objobjproc) 0, 1387 #if PY_MAJOR_VERSION >= 2 1388 (binaryfunc) 0, 1389 0, 1390 #endif 1391 }; 1392 1393 /* Window list object - Definitions 1394 */ 1395 1396 static PySequenceMethods WinListAsSeq = { 1397 (PyInquiry) WinListLength, /* sq_length, len(x) */ 1398 (binaryfunc) 0, /* sq_concat, x+y */ 1399 (PyIntArgFunc) 0, /* sq_repeat, x*n */ 1400 (PyIntArgFunc) WinListItem, /* sq_item, x[i] */ 1401 (PyIntIntArgFunc) 0, /* sq_slice, x[i:j] */ 1402 (PyIntObjArgProc) 0, /* sq_ass_item, x[i]=v */ 1403 (PyIntIntObjArgProc) 0, /* sq_ass_slice, x[i:j]=v */ 1404 (objobjproc) 0, 1405 #if PY_MAJOR_VERSION >= 2 1406 (binaryfunc) 0, 1407 0, 1408 #endif 1409 }; 1410 1411 /* External interface 1412 */ 1413 1414 void 1415 python_buffer_free(buf_T *buf) 1416 { 1417 if (BUF_PYTHON_REF(buf) != NULL) 1418 { 1419 BufferObject *bp = BUF_PYTHON_REF(buf); 1420 bp->buf = INVALID_BUFFER_VALUE; 1421 BUF_PYTHON_REF(buf) = NULL; 1422 } 1423 } 1424 1425 #if defined(FEAT_WINDOWS) || defined(PROTO) 1426 void 1427 python_window_free(win_T *win) 1428 { 1429 if (WIN_PYTHON_REF(win) != NULL) 1430 { 1431 WindowObject *wp = WIN_PYTHON_REF(win); 1432 wp->win = INVALID_WINDOW_VALUE; 1433 WIN_PYTHON_REF(win) = NULL; 1434 } 1435 } 1436 1437 void 1438 python_tabpage_free(tabpage_T *tab) 1439 { 1440 if (TAB_PYTHON_REF(tab) != NULL) 1441 { 1442 TabPageObject *tp = TAB_PYTHON_REF(tab); 1443 tp->tab = INVALID_TABPAGE_VALUE; 1444 TAB_PYTHON_REF(tab) = NULL; 1445 } 1446 } 1447 #endif 1448 1449 static int 1450 PythonMod_Init(void) 1451 { 1452 /* The special value is removed from sys.path in Python_Init(). */ 1453 static char *(argv[2]) = {"/must>not&exist/foo", NULL}; 1454 1455 if (init_types()) 1456 return -1; 1457 1458 /* Set sys.argv[] to avoid a crash in warn(). */ 1459 PySys_SetArgv(1, argv); 1460 1461 vim_module = Py_InitModule4("vim", VimMethods, (char *)NULL, 1462 (PyObject *)NULL, PYTHON_API_VERSION); 1463 1464 if (populate_module(vim_module)) 1465 return -1; 1466 1467 if (init_sys_path()) 1468 return -1; 1469 1470 return 0; 1471 } 1472 1473 /************************************************************************* 1474 * 4. Utility functions for handling the interface between Vim and Python. 1475 */ 1476 1477 /* Convert a Vim line into a Python string. 1478 * All internal newlines are replaced by null characters. 1479 * 1480 * On errors, the Python exception data is set, and NULL is returned. 1481 */ 1482 static PyObject * 1483 LineToString(const char *str) 1484 { 1485 PyObject *result; 1486 PyInt len = strlen(str); 1487 char *p; 1488 1489 /* Allocate an Python string object, with uninitialised contents. We 1490 * must do it this way, so that we can modify the string in place 1491 * later. See the Python source, Objects/stringobject.c for details. 1492 */ 1493 result = PyString_FromStringAndSize(NULL, len); 1494 if (result == NULL) 1495 return NULL; 1496 1497 p = PyString_AsString(result); 1498 1499 while (*str) 1500 { 1501 if (*str == '\n') 1502 *p = '\0'; 1503 else 1504 *p = *str; 1505 1506 ++p; 1507 ++str; 1508 } 1509 1510 return result; 1511 } 1512 1513 static PyObject * 1514 DictionaryGetattr(PyObject *self, char *name) 1515 { 1516 DictionaryObject *this = ((DictionaryObject *) (self)); 1517 1518 if (strcmp(name, "locked") == 0) 1519 return PyInt_FromLong(this->dict->dv_lock); 1520 else if (strcmp(name, "scope") == 0) 1521 return PyInt_FromLong(this->dict->dv_scope); 1522 else if (strcmp(name, "__members__") == 0) 1523 return ObjectDir(NULL, DictionaryAttrs); 1524 1525 return Py_FindMethod(DictionaryMethods, self, name); 1526 } 1527 1528 static PyObject * 1529 ListGetattr(PyObject *self, char *name) 1530 { 1531 if (strcmp(name, "locked") == 0) 1532 return PyInt_FromLong(((ListObject *)(self))->list->lv_lock); 1533 else if (strcmp(name, "__members__") == 0) 1534 return ObjectDir(NULL, ListAttrs); 1535 1536 return Py_FindMethod(ListMethods, self, name); 1537 } 1538 1539 static PyObject * 1540 FunctionGetattr(PyObject *self, char *name) 1541 { 1542 FunctionObject *this = (FunctionObject *)(self); 1543 1544 if (strcmp(name, "name") == 0) 1545 return PyString_FromString((char *)(this->name)); 1546 else if (strcmp(name, "__members__") == 0) 1547 return ObjectDir(NULL, FunctionAttrs); 1548 else 1549 return Py_FindMethod(FunctionMethods, self, name); 1550 } 1551 1552 void 1553 do_pyeval (char_u *str, typval_T *rettv) 1554 { 1555 DoPyCommand((char *) str, 1556 (rangeinitializer) init_range_eval, 1557 (runner) run_eval, 1558 (void *) rettv); 1559 switch(rettv->v_type) 1560 { 1561 case VAR_DICT: ++rettv->vval.v_dict->dv_refcount; break; 1562 case VAR_LIST: ++rettv->vval.v_list->lv_refcount; break; 1563 case VAR_FUNC: func_ref(rettv->vval.v_string); break; 1564 case VAR_PARTIAL: ++rettv->vval.v_partial->pt_refcount; break; 1565 case VAR_UNKNOWN: 1566 rettv->v_type = VAR_NUMBER; 1567 rettv->vval.v_number = 0; 1568 break; 1569 case VAR_NUMBER: 1570 case VAR_STRING: 1571 case VAR_FLOAT: 1572 case VAR_SPECIAL: 1573 case VAR_JOB: 1574 case VAR_CHANNEL: 1575 break; 1576 } 1577 } 1578 1579 /* Don't generate a prototype for the next function, it generates an error on 1580 * newer Python versions. */ 1581 #if PYTHON_API_VERSION < 1007 /* Python 1.4 */ && !defined(PROTO) 1582 1583 char * 1584 Py_GetProgramName(void) 1585 { 1586 return "vim"; 1587 } 1588 #endif /* Python 1.4 */ 1589 1590 int 1591 set_ref_in_python (int copyID) 1592 { 1593 return set_ref_in_py(copyID); 1594 } 1595