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(MSWIN) && 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 #undef main /* Defined in python.h - aargh */ 74 #undef HAVE_FCNTL_H /* Clash with os_win32.h */ 75 76 // Perhaps leave this out for Python 2.6, which supports bytes? 77 #define PyBytes_FromString PyString_FromString 78 #define PyBytes_Check PyString_Check 79 #define PyBytes_AsStringAndSize PyString_AsStringAndSize 80 #define PyBytes_FromStringAndSize PyString_FromStringAndSize 81 82 #if !defined(FEAT_PYTHON) && defined(PROTO) 83 /* Use this to be able to generate prototypes without python being used. */ 84 # define PyObject Py_ssize_t 85 # define PyThreadState Py_ssize_t 86 # define PyTypeObject Py_ssize_t 87 struct PyMethodDef { Py_ssize_t a; }; 88 # define PySequenceMethods Py_ssize_t 89 #endif 90 91 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000 92 # define PY_USE_CAPSULE 93 #endif 94 95 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02050000 96 # define PyInt Py_ssize_t 97 # define PyInquiry lenfunc 98 # define PyIntArgFunc ssizeargfunc 99 # define PyIntIntArgFunc ssizessizeargfunc 100 # define PyIntObjArgProc ssizeobjargproc 101 # define PyIntIntObjArgProc ssizessizeobjargproc 102 # define Py_ssize_t_fmt "n" 103 #else 104 # define PyInt int 105 # define lenfunc inquiry 106 # define PyInquiry inquiry 107 # define PyIntArgFunc intargfunc 108 # define PyIntIntArgFunc intintargfunc 109 # define PyIntObjArgProc intobjargproc 110 # define PyIntIntObjArgProc intintobjargproc 111 # define Py_ssize_t_fmt "i" 112 #endif 113 #define Py_bytes_fmt "s" 114 115 /* Parser flags */ 116 #define single_input 256 117 #define file_input 257 118 #define eval_input 258 119 120 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x020300F0 121 /* Python 2.3: can invoke ":python" recursively. */ 122 # define PY_CAN_RECURSE 123 #endif 124 125 #if defined(DYNAMIC_PYTHON) || defined(PROTO) 126 # ifndef DYNAMIC_PYTHON 127 # define HINSTANCE long_u /* for generating prototypes */ 128 # endif 129 130 # ifndef MSWIN 131 # include <dlfcn.h> 132 # define FARPROC void* 133 # define HINSTANCE void* 134 # if defined(PY_NO_RTLD_GLOBAL) && defined(PY3_NO_RTLD_GLOBAL) 135 # define load_dll(n) dlopen((n), RTLD_LAZY) 136 # else 137 # define load_dll(n) dlopen((n), RTLD_LAZY|RTLD_GLOBAL) 138 # endif 139 # define close_dll dlclose 140 # define symbol_from_dll dlsym 141 # else 142 # define load_dll vimLoadLib 143 # define close_dll FreeLibrary 144 # define symbol_from_dll GetProcAddress 145 # endif 146 147 /* This makes if_python.c compile without warnings against Python 2.5 148 * on Win32 and Win64. */ 149 # undef PyRun_SimpleString 150 # undef PyRun_String 151 # undef PyArg_Parse 152 # undef PyArg_ParseTuple 153 # undef Py_BuildValue 154 # undef Py_InitModule4 155 # undef Py_InitModule4_64 156 # undef PyObject_CallMethod 157 # undef PyObject_CallFunction 158 159 /* 160 * Wrapper defines 161 */ 162 # define PyArg_Parse dll_PyArg_Parse 163 # define PyArg_ParseTuple dll_PyArg_ParseTuple 164 # define PyMem_Free dll_PyMem_Free 165 # define PyMem_Malloc dll_PyMem_Malloc 166 # define PyDict_SetItemString dll_PyDict_SetItemString 167 # define PyErr_BadArgument dll_PyErr_BadArgument 168 # define PyErr_NewException dll_PyErr_NewException 169 # define PyErr_Clear dll_PyErr_Clear 170 # define PyErr_Format dll_PyErr_Format 171 # define PyErr_PrintEx dll_PyErr_PrintEx 172 # define PyErr_NoMemory dll_PyErr_NoMemory 173 # define PyErr_Occurred dll_PyErr_Occurred 174 # define PyErr_SetNone dll_PyErr_SetNone 175 # define PyErr_SetString dll_PyErr_SetString 176 # define PyErr_SetObject dll_PyErr_SetObject 177 # define PyErr_ExceptionMatches dll_PyErr_ExceptionMatches 178 # define PyEval_InitThreads dll_PyEval_InitThreads 179 # define PyEval_RestoreThread dll_PyEval_RestoreThread 180 # define PyEval_SaveThread dll_PyEval_SaveThread 181 # ifdef PY_CAN_RECURSE 182 # define PyGILState_Ensure dll_PyGILState_Ensure 183 # define PyGILState_Release dll_PyGILState_Release 184 # endif 185 # define PyInt_AsLong dll_PyInt_AsLong 186 # define PyInt_FromLong dll_PyInt_FromLong 187 # define PyLong_AsLong dll_PyLong_AsLong 188 # define PyLong_FromLong dll_PyLong_FromLong 189 # define PyBool_Type (*dll_PyBool_Type) 190 # define PyInt_Type (*dll_PyInt_Type) 191 # define PyLong_Type (*dll_PyLong_Type) 192 # define PyList_GetItem dll_PyList_GetItem 193 # define PyList_Append dll_PyList_Append 194 # define PyList_Insert dll_PyList_Insert 195 # define PyList_New dll_PyList_New 196 # define PyList_SetItem dll_PyList_SetItem 197 # define PyList_Size dll_PyList_Size 198 # define PyList_Type (*dll_PyList_Type) 199 # define PySequence_Check dll_PySequence_Check 200 # define PySequence_Size dll_PySequence_Size 201 # define PySequence_GetItem dll_PySequence_GetItem 202 # define PySequence_Fast dll_PySequence_Fast 203 # define PyTuple_Size dll_PyTuple_Size 204 # define PyTuple_GetItem dll_PyTuple_GetItem 205 # define PyTuple_Type (*dll_PyTuple_Type) 206 # define PySlice_GetIndicesEx dll_PySlice_GetIndicesEx 207 # define PyImport_ImportModule dll_PyImport_ImportModule 208 # define PyDict_New dll_PyDict_New 209 # define PyDict_GetItemString dll_PyDict_GetItemString 210 # define PyDict_Next dll_PyDict_Next 211 # define PyDict_Type (*dll_PyDict_Type) 212 # ifdef PyMapping_Keys 213 # define PY_NO_MAPPING_KEYS 214 # else 215 # define PyMapping_Keys dll_PyMapping_Keys 216 # endif 217 # define PyObject_GetItem dll_PyObject_GetItem 218 # define PyObject_CallMethod dll_PyObject_CallMethod 219 # define PyMapping_Check dll_PyMapping_Check 220 # define PyIter_Next dll_PyIter_Next 221 # define PyModule_GetDict dll_PyModule_GetDict 222 # define PyModule_AddObject dll_PyModule_AddObject 223 # define PyRun_SimpleString dll_PyRun_SimpleString 224 # define PyRun_String dll_PyRun_String 225 # define PyObject_GetAttrString dll_PyObject_GetAttrString 226 # define PyObject_HasAttrString dll_PyObject_HasAttrString 227 # define PyObject_SetAttrString dll_PyObject_SetAttrString 228 # define PyObject_CallFunctionObjArgs dll_PyObject_CallFunctionObjArgs 229 # define PyObject_CallFunction dll_PyObject_CallFunction 230 # define PyObject_Call dll_PyObject_Call 231 # define PyObject_Repr dll_PyObject_Repr 232 # define PyString_AsString dll_PyString_AsString 233 # define PyString_AsStringAndSize dll_PyString_AsStringAndSize 234 # define PyString_FromString dll_PyString_FromString 235 # define PyString_FromFormat dll_PyString_FromFormat 236 # define PyString_FromStringAndSize dll_PyString_FromStringAndSize 237 # define PyString_Size dll_PyString_Size 238 # define PyString_Type (*dll_PyString_Type) 239 # define PyUnicode_Type (*dll_PyUnicode_Type) 240 # undef PyUnicode_AsEncodedString 241 # define PyUnicode_AsEncodedString py_PyUnicode_AsEncodedString 242 # define PyFloat_AsDouble dll_PyFloat_AsDouble 243 # define PyFloat_FromDouble dll_PyFloat_FromDouble 244 # define PyFloat_Type (*dll_PyFloat_Type) 245 # define PyNumber_Check dll_PyNumber_Check 246 # define PyNumber_Long dll_PyNumber_Long 247 # define PyImport_AddModule (*dll_PyImport_AddModule) 248 # define PySys_SetObject dll_PySys_SetObject 249 # define PySys_GetObject dll_PySys_GetObject 250 # define PySys_SetArgv dll_PySys_SetArgv 251 # define PyType_Type (*dll_PyType_Type) 252 # define PyFile_Type (*dll_PyFile_Type) 253 # define PySlice_Type (*dll_PySlice_Type) 254 # define PyType_Ready (*dll_PyType_Ready) 255 # define PyType_GenericAlloc dll_PyType_GenericAlloc 256 # define Py_BuildValue dll_Py_BuildValue 257 # define Py_FindMethod dll_Py_FindMethod 258 # define Py_InitModule4 dll_Py_InitModule4 259 # define Py_SetPythonHome dll_Py_SetPythonHome 260 # define Py_Initialize dll_Py_Initialize 261 # define Py_Finalize dll_Py_Finalize 262 # define Py_IsInitialized dll_Py_IsInitialized 263 # define _PyObject_New dll__PyObject_New 264 # define _PyObject_GC_New dll__PyObject_GC_New 265 # ifdef PyObject_GC_Del 266 # define Py_underscore_GC 267 # define _PyObject_GC_Del dll__PyObject_GC_Del 268 # define _PyObject_GC_UnTrack dll__PyObject_GC_UnTrack 269 # else 270 # define PyObject_GC_Del dll_PyObject_GC_Del 271 # define PyObject_GC_UnTrack dll_PyObject_GC_UnTrack 272 # endif 273 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000 274 # define _PyObject_NextNotImplemented (*dll__PyObject_NextNotImplemented) 275 # endif 276 # define _Py_NoneStruct (*dll__Py_NoneStruct) 277 # define _Py_ZeroStruct (*dll__Py_ZeroStruct) 278 # define _Py_TrueStruct (*dll__Py_TrueStruct) 279 # define PyObject_Init dll__PyObject_Init 280 # define PyObject_GetIter dll_PyObject_GetIter 281 # define PyObject_IsTrue dll_PyObject_IsTrue 282 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 283 # define PyType_IsSubtype dll_PyType_IsSubtype 284 # ifdef Py_DEBUG 285 # define _Py_NegativeRefcount dll__Py_NegativeRefcount 286 # define _Py_RefTotal (*dll__Py_RefTotal) 287 # define _Py_Dealloc dll__Py_Dealloc 288 # endif 289 # endif 290 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 291 # if defined(Py_DEBUG) && !defined(Py_DEBUG_NO_PYMALLOC) 292 # define _PyObject_DebugMalloc dll__PyObject_DebugMalloc 293 # define _PyObject_DebugFree dll__PyObject_DebugFree 294 # else 295 # define PyObject_Malloc dll_PyObject_Malloc 296 # define PyObject_Free dll_PyObject_Free 297 # endif 298 # endif 299 # ifdef PY_USE_CAPSULE 300 # define PyCapsule_New dll_PyCapsule_New 301 # define PyCapsule_GetPointer dll_PyCapsule_GetPointer 302 # else 303 # define PyCObject_FromVoidPtr dll_PyCObject_FromVoidPtr 304 # define PyCObject_AsVoidPtr dll_PyCObject_AsVoidPtr 305 # endif 306 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000 307 # define Py_NoSiteFlag (*dll_Py_NoSiteFlag) 308 # endif 309 310 /* 311 * Pointers for dynamic link 312 */ 313 static int(*dll_PyArg_Parse)(PyObject *, char *, ...); 314 static int(*dll_PyArg_ParseTuple)(PyObject *, char *, ...); 315 static int(*dll_PyMem_Free)(void *); 316 static void* (*dll_PyMem_Malloc)(size_t); 317 static int(*dll_PyDict_SetItemString)(PyObject *dp, char *key, PyObject *item); 318 static int(*dll_PyErr_BadArgument)(void); 319 static PyObject *(*dll_PyErr_NewException)(char *, PyObject *, PyObject *); 320 static void(*dll_PyErr_Clear)(void); 321 static PyObject*(*dll_PyErr_Format)(PyObject *, const char *, ...); 322 static void(*dll_PyErr_PrintEx)(int); 323 static PyObject*(*dll_PyErr_NoMemory)(void); 324 static PyObject*(*dll_PyErr_Occurred)(void); 325 static void(*dll_PyErr_SetNone)(PyObject *); 326 static void(*dll_PyErr_SetString)(PyObject *, const char *); 327 static void(*dll_PyErr_SetObject)(PyObject *, PyObject *); 328 static int(*dll_PyErr_ExceptionMatches)(PyObject *); 329 static void(*dll_PyEval_InitThreads)(void); 330 static void(*dll_PyEval_RestoreThread)(PyThreadState *); 331 static PyThreadState*(*dll_PyEval_SaveThread)(void); 332 # ifdef PY_CAN_RECURSE 333 static PyGILState_STATE (*dll_PyGILState_Ensure)(void); 334 static void (*dll_PyGILState_Release)(PyGILState_STATE); 335 # endif 336 static long(*dll_PyInt_AsLong)(PyObject *); 337 static PyObject*(*dll_PyInt_FromLong)(long); 338 static long(*dll_PyLong_AsLong)(PyObject *); 339 static PyObject*(*dll_PyLong_FromLong)(long); 340 static PyTypeObject* dll_PyBool_Type; 341 static PyTypeObject* dll_PyInt_Type; 342 static PyTypeObject* dll_PyLong_Type; 343 static PyObject*(*dll_PyList_GetItem)(PyObject *, PyInt); 344 static int(*dll_PyList_Append)(PyObject *, PyObject *); 345 static int(*dll_PyList_Insert)(PyObject *, PyInt, PyObject *); 346 static PyObject*(*dll_PyList_New)(PyInt size); 347 static int(*dll_PyList_SetItem)(PyObject *, PyInt, PyObject *); 348 static PyInt(*dll_PyList_Size)(PyObject *); 349 static PyTypeObject* dll_PyList_Type; 350 static int (*dll_PySequence_Check)(PyObject *); 351 static PyInt(*dll_PySequence_Size)(PyObject *); 352 static PyObject*(*dll_PySequence_GetItem)(PyObject *, PyInt); 353 static PyObject*(*dll_PySequence_Fast)(PyObject *, const char *); 354 static PyInt(*dll_PyTuple_Size)(PyObject *); 355 static PyObject*(*dll_PyTuple_GetItem)(PyObject *, PyInt); 356 static PyTypeObject* dll_PyTuple_Type; 357 static int (*dll_PySlice_GetIndicesEx)(PySliceObject *r, PyInt length, 358 PyInt *start, PyInt *stop, PyInt *step, 359 PyInt *slicelen); 360 static PyObject*(*dll_PyImport_ImportModule)(const char *); 361 static PyObject*(*dll_PyDict_New)(void); 362 static PyObject*(*dll_PyDict_GetItemString)(PyObject *, const char *); 363 static int (*dll_PyDict_Next)(PyObject *, PyInt *, PyObject **, PyObject **); 364 static PyTypeObject* dll_PyDict_Type; 365 # ifndef PY_NO_MAPPING_KEYS 366 static PyObject* (*dll_PyMapping_Keys)(PyObject *); 367 # endif 368 static PyObject* (*dll_PyObject_GetItem)(PyObject *, PyObject *); 369 static PyObject* (*dll_PyObject_CallMethod)(PyObject *, char *, PyObject *); 370 static int (*dll_PyMapping_Check)(PyObject *); 371 static PyObject* (*dll_PyIter_Next)(PyObject *); 372 static PyObject*(*dll_PyModule_GetDict)(PyObject *); 373 static int(*dll_PyModule_AddObject)(PyObject *, const char *, PyObject *); 374 static int(*dll_PyRun_SimpleString)(char *); 375 static PyObject *(*dll_PyRun_String)(char *, int, PyObject *, PyObject *); 376 static PyObject* (*dll_PyObject_GetAttrString)(PyObject *, const char *); 377 static int (*dll_PyObject_HasAttrString)(PyObject *, const char *); 378 static int (*dll_PyObject_SetAttrString)(PyObject *, const char *, PyObject *); 379 static PyObject* (*dll_PyObject_CallFunctionObjArgs)(PyObject *, ...); 380 static PyObject* (*dll_PyObject_CallFunction)(PyObject *, char *, ...); 381 static PyObject* (*dll_PyObject_Call)(PyObject *, PyObject *, PyObject *); 382 static PyObject* (*dll_PyObject_Repr)(PyObject *); 383 static char*(*dll_PyString_AsString)(PyObject *); 384 static int(*dll_PyString_AsStringAndSize)(PyObject *, char **, PyInt *); 385 static PyObject*(*dll_PyString_FromString)(const char *); 386 static PyObject*(*dll_PyString_FromFormat)(const char *, ...); 387 static PyObject*(*dll_PyString_FromStringAndSize)(const char *, PyInt); 388 static PyInt(*dll_PyString_Size)(PyObject *); 389 static PyTypeObject* dll_PyString_Type; 390 static PyTypeObject* dll_PyUnicode_Type; 391 static PyObject *(*py_PyUnicode_AsEncodedString)(PyObject *, char *, char *); 392 static double(*dll_PyFloat_AsDouble)(PyObject *); 393 static PyObject*(*dll_PyFloat_FromDouble)(double); 394 static PyTypeObject* dll_PyFloat_Type; 395 static int(*dll_PyNumber_Check)(PyObject *); 396 static PyObject*(*dll_PyNumber_Long)(PyObject *); 397 static int(*dll_PySys_SetObject)(char *, PyObject *); 398 static PyObject *(*dll_PySys_GetObject)(char *); 399 static int(*dll_PySys_SetArgv)(int, char **); 400 static PyTypeObject* dll_PyType_Type; 401 static PyTypeObject* dll_PyFile_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 {"PyFile_Type", (PYTHON_PROC*)&dll_PyFile_Type}, 588 {"PySlice_Type", (PYTHON_PROC*)&dll_PySlice_Type}, 589 {"PyType_Ready", (PYTHON_PROC*)&dll_PyType_Ready}, 590 {"PyType_GenericAlloc", (PYTHON_PROC*)&dll_PyType_GenericAlloc}, 591 {"Py_FindMethod", (PYTHON_PROC*)&dll_Py_FindMethod}, 592 {"Py_SetPythonHome", (PYTHON_PROC*)&dll_Py_SetPythonHome}, 593 {"Py_Initialize", (PYTHON_PROC*)&dll_Py_Initialize}, 594 {"Py_Finalize", (PYTHON_PROC*)&dll_Py_Finalize}, 595 {"Py_IsInitialized", (PYTHON_PROC*)&dll_Py_IsInitialized}, 596 {"_PyObject_New", (PYTHON_PROC*)&dll__PyObject_New}, 597 {"_PyObject_GC_New", (PYTHON_PROC*)&dll__PyObject_GC_New}, 598 # ifdef Py_underscore_GC 599 {"_PyObject_GC_Del", (PYTHON_PROC*)&dll__PyObject_GC_Del}, 600 {"_PyObject_GC_UnTrack", (PYTHON_PROC*)&dll__PyObject_GC_UnTrack}, 601 # else 602 {"PyObject_GC_Del", (PYTHON_PROC*)&dll_PyObject_GC_Del}, 603 {"PyObject_GC_UnTrack", (PYTHON_PROC*)&dll_PyObject_GC_UnTrack}, 604 # endif 605 {"PyObject_Init", (PYTHON_PROC*)&dll__PyObject_Init}, 606 {"PyObject_GetIter", (PYTHON_PROC*)&dll_PyObject_GetIter}, 607 {"PyObject_IsTrue", (PYTHON_PROC*)&dll_PyObject_IsTrue}, 608 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000 609 {"_PyObject_NextNotImplemented", (PYTHON_PROC*)&dll__PyObject_NextNotImplemented}, 610 # endif 611 {"_Py_NoneStruct", (PYTHON_PROC*)&dll__Py_NoneStruct}, 612 {"_Py_ZeroStruct", (PYTHON_PROC*)&dll__Py_ZeroStruct}, 613 {"_Py_TrueStruct", (PYTHON_PROC*)&dll__Py_TrueStruct}, 614 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 615 # ifdef Py_DEBUG 616 {"_Py_NegativeRefcount", (PYTHON_PROC*)&dll__Py_NegativeRefcount}, 617 {"_Py_RefTotal", (PYTHON_PROC*)&dll__Py_RefTotal}, 618 {"_Py_Dealloc", (PYTHON_PROC*)&dll__Py_Dealloc}, 619 # endif 620 {"PyType_IsSubtype", (PYTHON_PROC*)&dll_PyType_IsSubtype}, 621 # endif 622 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 623 # if defined(Py_DEBUG) && !defined(Py_DEBUG_NO_PYMALLOC) 624 {"_PyObject_DebugFree", (PYTHON_PROC*)&dll__PyObject_DebugFree}, 625 {"_PyObject_DebugMalloc", (PYTHON_PROC*)&dll__PyObject_DebugMalloc}, 626 # else 627 {"PyObject_Malloc", (PYTHON_PROC*)&dll_PyObject_Malloc}, 628 {"PyObject_Free", (PYTHON_PROC*)&dll_PyObject_Free}, 629 # endif 630 # endif 631 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02050000 \ 632 && SIZEOF_SIZE_T != VIM_SIZEOF_INT 633 # ifdef Py_DEBUG 634 {"Py_InitModule4TraceRefs_64", (PYTHON_PROC*)&dll_Py_InitModule4}, 635 # else 636 {"Py_InitModule4_64", (PYTHON_PROC*)&dll_Py_InitModule4}, 637 # endif 638 # else 639 # ifdef Py_DEBUG 640 {"Py_InitModule4TraceRefs", (PYTHON_PROC*)&dll_Py_InitModule4}, 641 # else 642 {"Py_InitModule4", (PYTHON_PROC*)&dll_Py_InitModule4}, 643 # endif 644 # endif 645 # ifdef PY_USE_CAPSULE 646 {"PyCapsule_New", (PYTHON_PROC*)&dll_PyCapsule_New}, 647 {"PyCapsule_GetPointer", (PYTHON_PROC*)&dll_PyCapsule_GetPointer}, 648 # else 649 {"PyCObject_FromVoidPtr", (PYTHON_PROC*)&dll_PyCObject_FromVoidPtr}, 650 {"PyCObject_AsVoidPtr", (PYTHON_PROC*)&dll_PyCObject_AsVoidPtr}, 651 # endif 652 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000 653 {"Py_NoSiteFlag", (PYTHON_PROC*)&dll_Py_NoSiteFlag}, 654 # endif 655 {"", NULL}, 656 }; 657 658 /* 659 * Free python.dll 660 */ 661 static void 662 end_dynamic_python(void) 663 { 664 if (hinstPython) 665 { 666 close_dll(hinstPython); 667 hinstPython = 0; 668 } 669 } 670 671 /* 672 * Load library and get all pointers. 673 * Parameter 'libname' provides name of DLL. 674 * Return OK or FAIL. 675 */ 676 static int 677 python_runtime_link_init(char *libname, int verbose) 678 { 679 int i; 680 PYTHON_PROC *ucs_as_encoded_string = 681 (PYTHON_PROC*)&py_PyUnicode_AsEncodedString; 682 683 # if !(defined(PY_NO_RTLD_GLOBAL) && defined(PY3_NO_RTLD_GLOBAL)) && defined(UNIX) && defined(FEAT_PYTHON3) 684 /* Can't have Python and Python3 loaded at the same time. 685 * It cause a crash, because RTLD_GLOBAL is needed for 686 * standard C extension libraries of one or both python versions. */ 687 if (python3_loaded()) 688 { 689 if (verbose) 690 emsg(_("E836: This Vim cannot execute :python after using :py3")); 691 return FAIL; 692 } 693 # endif 694 695 if (hinstPython) 696 return OK; 697 hinstPython = load_dll(libname); 698 if (!hinstPython) 699 { 700 if (verbose) 701 semsg(_(e_loadlib), libname); 702 return FAIL; 703 } 704 705 for (i = 0; python_funcname_table[i].ptr; ++i) 706 { 707 if ((*python_funcname_table[i].ptr = symbol_from_dll(hinstPython, 708 python_funcname_table[i].name)) == NULL) 709 { 710 close_dll(hinstPython); 711 hinstPython = 0; 712 if (verbose) 713 semsg(_(e_loadfunc), python_funcname_table[i].name); 714 return FAIL; 715 } 716 } 717 718 /* Load unicode functions separately as only the ucs2 or the ucs4 functions 719 * will be present in the library. */ 720 *ucs_as_encoded_string = symbol_from_dll(hinstPython, 721 "PyUnicodeUCS2_AsEncodedString"); 722 if (*ucs_as_encoded_string == NULL) 723 *ucs_as_encoded_string = symbol_from_dll(hinstPython, 724 "PyUnicodeUCS4_AsEncodedString"); 725 if (*ucs_as_encoded_string == NULL) 726 { 727 close_dll(hinstPython); 728 hinstPython = 0; 729 if (verbose) 730 semsg(_(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 static int python_end_called = FALSE; 783 784 #define DESTRUCTOR_FINISH(self) self->ob_type->tp_free((PyObject*)self); 785 786 #define WIN_PYTHON_REF(win) win->w_python_ref 787 #define BUF_PYTHON_REF(buf) buf->b_python_ref 788 #define TAB_PYTHON_REF(tab) tab->tp_python_ref 789 790 static PyObject *OutputGetattr(PyObject *, char *); 791 static PyObject *BufferGetattr(PyObject *, char *); 792 static PyObject *WindowGetattr(PyObject *, char *); 793 static PyObject *TabPageGetattr(PyObject *, char *); 794 static PyObject *RangeGetattr(PyObject *, char *); 795 static PyObject *DictionaryGetattr(PyObject *, char*); 796 static PyObject *ListGetattr(PyObject *, char *); 797 static PyObject *FunctionGetattr(PyObject *, char *); 798 799 #ifndef Py_VISIT 800 # define Py_VISIT(obj) visit(obj, arg) 801 #endif 802 #ifndef Py_CLEAR 803 # define Py_CLEAR(obj) \ 804 { \ 805 Py_XDECREF(obj); \ 806 obj = NULL; \ 807 } 808 #endif 809 810 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) 811 static void * 812 py_memsave(void *p, size_t len) 813 { 814 void *r; 815 816 if (!(r = PyMem_Malloc(len))) 817 return NULL; 818 mch_memmove(r, p, len); 819 return r; 820 } 821 822 # define PY_STRSAVE(s) ((char_u *) py_memsave(s, STRLEN(s) + 1)) 823 #endif 824 825 typedef PySliceObject PySliceObject_T; 826 827 /* 828 * Include the code shared with if_python3.c 829 */ 830 #include "if_py_both.h" 831 832 833 /****************************************************** 834 * Internal function prototypes. 835 */ 836 837 static int PythonMod_Init(void); 838 839 840 /****************************************************** 841 * 1. Python interpreter main program. 842 */ 843 844 #if PYTHON_API_VERSION < 1007 /* Python 1.4 */ 845 typedef PyObject PyThreadState; 846 #endif 847 848 #ifndef PY_CAN_RECURSE 849 static PyThreadState *saved_python_thread = NULL; 850 851 /* 852 * Suspend a thread of the Python interpreter, other threads are allowed to 853 * run. 854 */ 855 static void 856 Python_SaveThread(void) 857 { 858 saved_python_thread = PyEval_SaveThread(); 859 } 860 861 /* 862 * Restore a thread of the Python interpreter, waits for other threads to 863 * block. 864 */ 865 static void 866 Python_RestoreThread(void) 867 { 868 PyEval_RestoreThread(saved_python_thread); 869 saved_python_thread = NULL; 870 } 871 #endif 872 873 void 874 python_end(void) 875 { 876 static int recurse = 0; 877 878 /* If a crash occurs while doing this, don't try again. */ 879 if (recurse != 0) 880 return; 881 882 python_end_called = TRUE; 883 ++recurse; 884 885 #ifdef DYNAMIC_PYTHON 886 if (hinstPython && Py_IsInitialized()) 887 { 888 # ifdef PY_CAN_RECURSE 889 PyGILState_Ensure(); 890 # else 891 Python_RestoreThread(); /* enter python */ 892 # endif 893 Py_Finalize(); 894 } 895 end_dynamic_python(); 896 #else 897 if (Py_IsInitialized()) 898 { 899 # ifdef PY_CAN_RECURSE 900 PyGILState_Ensure(); 901 # else 902 Python_RestoreThread(); /* enter python */ 903 # endif 904 Py_Finalize(); 905 } 906 #endif 907 908 --recurse; 909 } 910 911 #if (defined(DYNAMIC_PYTHON) && defined(FEAT_PYTHON3)) || defined(PROTO) 912 int 913 python_loaded(void) 914 { 915 return (hinstPython != 0); 916 } 917 #endif 918 919 static char *py_home_buf = NULL; 920 921 static int 922 Python_Init(void) 923 { 924 if (!initialised) 925 { 926 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000 927 PyObject *site; 928 #endif 929 930 #ifdef DYNAMIC_PYTHON 931 if (!python_enabled(TRUE)) 932 { 933 emsg(_("E263: Sorry, this command is disabled, the Python library could not be loaded.")); 934 goto fail; 935 } 936 #endif 937 938 if (*p_pyhome != NUL) 939 { 940 /* The string must not change later, make a copy in static memory. */ 941 py_home_buf = (char *)vim_strsave(p_pyhome); 942 if (py_home_buf != NULL) 943 Py_SetPythonHome(py_home_buf); 944 } 945 #ifdef PYTHON_HOME 946 else if (mch_getenv((char_u *)"PYTHONHOME") == NULL) 947 Py_SetPythonHome(PYTHON_HOME); 948 #endif 949 950 init_structs(); 951 952 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000 953 /* Disable implicit 'import site', because it may cause Vim to exit 954 * when it can't be found. */ 955 Py_NoSiteFlag++; 956 #endif 957 958 Py_Initialize(); 959 960 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02070000 961 /* 'import site' explicitly. */ 962 site = PyImport_ImportModule("site"); 963 if (site == NULL) 964 { 965 emsg(_("E887: Sorry, this command is disabled, the Python's site module could not be loaded.")); 966 goto fail; 967 } 968 Py_DECREF(site); 969 #endif 970 971 /* Initialise threads, and below save the state using 972 * PyEval_SaveThread. Without the call to PyEval_SaveThread, thread 973 * specific state (such as the system trace hook), will be lost 974 * between invocations of Python code. */ 975 PyEval_InitThreads(); 976 #ifdef DYNAMIC_PYTHON 977 get_exceptions(); 978 #endif 979 980 if (PythonIO_Init_io()) 981 goto fail; 982 983 if (PythonMod_Init()) 984 goto fail; 985 986 globals = PyModule_GetDict(PyImport_AddModule("__main__")); 987 988 /* Remove the element from sys.path that was added because of our 989 * argv[0] value in PythonMod_Init(). Previously we used an empty 990 * string, but depending on the OS we then get an empty entry or 991 * the current directory in sys.path. */ 992 PyRun_SimpleString("import sys; sys.path = filter(lambda x: x != '/must>not&exist', sys.path)"); 993 994 /* lock is created and acquired in PyEval_InitThreads() and thread 995 * state is created in Py_Initialize() 996 * there _PyGILState_NoteThreadState() also sets gilcounter to 1 997 * (python must have threads enabled!) 998 * so the following does both: unlock GIL and save thread state in TLS 999 * without deleting thread state 1000 */ 1001 #ifndef PY_CAN_RECURSE 1002 saved_python_thread = 1003 #endif 1004 PyEval_SaveThread(); 1005 1006 initialised = 1; 1007 } 1008 1009 return 0; 1010 1011 fail: 1012 /* We call PythonIO_Flush() here to print any Python errors. 1013 * This is OK, as it is possible to call this function even 1014 * if PythonIO_Init_io() has not completed successfully (it will 1015 * not do anything in this case). 1016 */ 1017 PythonIO_Flush(); 1018 return -1; 1019 } 1020 1021 /* 1022 * External interface 1023 */ 1024 static void 1025 DoPyCommand(const char *cmd, rangeinitializer init_range, runner run, void *arg) 1026 { 1027 #ifndef PY_CAN_RECURSE 1028 static int recursive = 0; 1029 #endif 1030 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) 1031 char *saved_locale; 1032 #endif 1033 #ifdef PY_CAN_RECURSE 1034 PyGILState_STATE pygilstate; 1035 #endif 1036 1037 #ifndef PY_CAN_RECURSE 1038 if (recursive) 1039 { 1040 emsg(_("E659: Cannot invoke Python recursively")); 1041 return; 1042 } 1043 ++recursive; 1044 #endif 1045 if (python_end_called) 1046 return; 1047 1048 if (Python_Init()) 1049 goto theend; 1050 1051 init_range(arg); 1052 1053 Python_Release_Vim(); /* leave vim */ 1054 1055 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) 1056 /* Python only works properly when the LC_NUMERIC locale is "C". */ 1057 saved_locale = setlocale(LC_NUMERIC, NULL); 1058 if (saved_locale == NULL || STRCMP(saved_locale, "C") == 0) 1059 saved_locale = NULL; 1060 else 1061 { 1062 /* Need to make a copy, value may change when setting new locale. */ 1063 saved_locale = (char *) PY_STRSAVE(saved_locale); 1064 (void)setlocale(LC_NUMERIC, "C"); 1065 } 1066 #endif 1067 1068 #ifdef PY_CAN_RECURSE 1069 pygilstate = PyGILState_Ensure(); 1070 #else 1071 Python_RestoreThread(); /* enter python */ 1072 #endif 1073 1074 run((char *) cmd, arg 1075 #ifdef PY_CAN_RECURSE 1076 , &pygilstate 1077 #endif 1078 ); 1079 1080 #ifdef PY_CAN_RECURSE 1081 PyGILState_Release(pygilstate); 1082 #else 1083 Python_SaveThread(); /* leave python */ 1084 #endif 1085 1086 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) 1087 if (saved_locale != NULL) 1088 { 1089 (void)setlocale(LC_NUMERIC, saved_locale); 1090 PyMem_Free(saved_locale); 1091 } 1092 #endif 1093 1094 Python_Lock_Vim(); /* enter vim */ 1095 PythonIO_Flush(); 1096 1097 theend: 1098 #ifndef PY_CAN_RECURSE 1099 --recursive; 1100 #endif 1101 return; 1102 } 1103 1104 /* 1105 * ":python" 1106 */ 1107 void 1108 ex_python(exarg_T *eap) 1109 { 1110 char_u *script; 1111 1112 script = script_get(eap, eap->arg); 1113 if (!eap->skip) 1114 { 1115 if (p_pyx == 0) 1116 p_pyx = 2; 1117 1118 DoPyCommand(script == NULL ? (char *) eap->arg : (char *) script, 1119 (rangeinitializer) init_range_cmd, 1120 (runner) run_cmd, 1121 (void *) eap); 1122 } 1123 vim_free(script); 1124 } 1125 1126 #define BUFFER_SIZE 1024 1127 1128 /* 1129 * ":pyfile" 1130 */ 1131 void 1132 ex_pyfile(exarg_T *eap) 1133 { 1134 static char buffer[BUFFER_SIZE]; 1135 const char *file = (char *)eap->arg; 1136 char *p; 1137 1138 if (p_pyx == 0) 1139 p_pyx = 2; 1140 1141 /* Have to do it like this. PyRun_SimpleFile requires you to pass a 1142 * stdio file pointer, but Vim and the Python DLL are compiled with 1143 * different options under Windows, meaning that stdio pointers aren't 1144 * compatible between the two. Yuk. 1145 * 1146 * Put the string "execfile('file')" into buffer. But, we need to 1147 * escape any backslashes or single quotes in the file name, so that 1148 * Python won't mangle the file name. 1149 */ 1150 strcpy(buffer, "execfile('"); 1151 p = buffer + 10; /* size of "execfile('" */ 1152 1153 while (*file && p < buffer + (BUFFER_SIZE - 3)) 1154 { 1155 if (*file == '\\' || *file == '\'') 1156 *p++ = '\\'; 1157 *p++ = *file++; 1158 } 1159 1160 /* If we didn't finish the file name, we hit a buffer overflow */ 1161 if (*file != '\0') 1162 return; 1163 1164 /* Put in the terminating "')" and a null */ 1165 *p++ = '\''; 1166 *p++ = ')'; 1167 *p++ = '\0'; 1168 1169 /* Execute the file */ 1170 DoPyCommand(buffer, 1171 (rangeinitializer) init_range_cmd, 1172 (runner) run_cmd, 1173 (void *) eap); 1174 } 1175 1176 void 1177 ex_pydo(exarg_T *eap) 1178 { 1179 if (p_pyx == 0) 1180 p_pyx = 2; 1181 1182 DoPyCommand((char *)eap->arg, 1183 (rangeinitializer) init_range_cmd, 1184 (runner)run_do, 1185 (void *)eap); 1186 } 1187 1188 /****************************************************** 1189 * 2. Python output stream: writes output via [e]msg(). 1190 */ 1191 1192 /* Implementation functions 1193 */ 1194 1195 static PyObject * 1196 OutputGetattr(PyObject *self, char *name) 1197 { 1198 if (strcmp(name, "softspace") == 0) 1199 return PyInt_FromLong(((OutputObject *)(self))->softspace); 1200 else if (strcmp(name, "__members__") == 0) 1201 return ObjectDir(NULL, OutputAttrs); 1202 else if (strcmp(name, "errors") == 0) 1203 return PyString_FromString("strict"); 1204 else if (strcmp(name, "encoding") == 0) 1205 return PyString_FromString(ENC_OPT); 1206 return Py_FindMethod(OutputMethods, self, name); 1207 } 1208 1209 /****************************************************** 1210 * 3. Implementation of the Vim module for Python 1211 */ 1212 1213 /* Window type - Implementation functions 1214 * -------------------------------------- 1215 */ 1216 1217 #define WindowType_Check(obj) ((obj)->ob_type == &WindowType) 1218 1219 /* Buffer type - Implementation functions 1220 * -------------------------------------- 1221 */ 1222 1223 #define BufferType_Check(obj) ((obj)->ob_type == &BufferType) 1224 1225 static PyInt BufferAssItem(PyObject *, PyInt, PyObject *); 1226 static PyInt BufferAssSlice(PyObject *, PyInt, PyInt, PyObject *); 1227 1228 /* Line range type - Implementation functions 1229 * -------------------------------------- 1230 */ 1231 1232 #define RangeType_Check(obj) ((obj)->ob_type == &RangeType) 1233 1234 static PyInt RangeAssItem(PyObject *, PyInt, PyObject *); 1235 static PyInt RangeAssSlice(PyObject *, PyInt, PyInt, PyObject *); 1236 1237 /* Current objects type - Implementation functions 1238 * ----------------------------------------------- 1239 */ 1240 1241 static PySequenceMethods BufferAsSeq = { 1242 (PyInquiry) BufferLength, /* sq_length, len(x) */ 1243 (binaryfunc) 0, /* BufferConcat, sq_concat, x+y */ 1244 (PyIntArgFunc) 0, /* BufferRepeat, sq_repeat, x*n */ 1245 (PyIntArgFunc) BufferItem, /* sq_item, x[i] */ 1246 (PyIntIntArgFunc) BufferSlice, /* sq_slice, x[i:j] */ 1247 (PyIntObjArgProc) BufferAssItem, /* sq_ass_item, x[i]=v */ 1248 (PyIntIntObjArgProc) BufferAssSlice, /* sq_ass_slice, x[i:j]=v */ 1249 (objobjproc) 0, 1250 (binaryfunc) 0, 1251 0, 1252 }; 1253 1254 /* Buffer object - Implementation 1255 */ 1256 1257 static PyObject * 1258 BufferGetattr(PyObject *self, char *name) 1259 { 1260 PyObject *r; 1261 1262 if ((r = BufferAttrValid((BufferObject *)(self), name))) 1263 return r; 1264 1265 if (CheckBuffer((BufferObject *)(self))) 1266 return NULL; 1267 1268 r = BufferAttr((BufferObject *)(self), name); 1269 if (r || PyErr_Occurred()) 1270 return r; 1271 else 1272 return Py_FindMethod(BufferMethods, self, name); 1273 } 1274 1275 /******************/ 1276 1277 static PyInt 1278 BufferAssItem(PyObject *self, PyInt n, PyObject *val) 1279 { 1280 return RBAsItem((BufferObject *)(self), n, val, 1, -1, NULL); 1281 } 1282 1283 static PyInt 1284 BufferAssSlice(PyObject *self, PyInt lo, PyInt hi, PyObject *val) 1285 { 1286 return RBAsSlice((BufferObject *)(self), lo, hi, val, 1, -1, NULL); 1287 } 1288 1289 static PySequenceMethods RangeAsSeq = { 1290 (PyInquiry) RangeLength, /* sq_length, len(x) */ 1291 (binaryfunc) 0, /* RangeConcat, */ /* sq_concat, x+y */ 1292 (PyIntArgFunc) 0, /* RangeRepeat, */ /* sq_repeat, x*n */ 1293 (PyIntArgFunc) RangeItem, /* sq_item, x[i] */ 1294 (PyIntIntArgFunc) RangeSlice, /* sq_slice, x[i:j] */ 1295 (PyIntObjArgProc) RangeAssItem, /* sq_ass_item, x[i]=v */ 1296 (PyIntIntObjArgProc) RangeAssSlice, /* sq_ass_slice, x[i:j]=v */ 1297 (objobjproc) 0, 1298 #if PY_MAJOR_VERSION >= 2 1299 (binaryfunc) 0, 1300 0, 1301 #endif 1302 }; 1303 1304 /* Line range object - Implementation 1305 */ 1306 1307 static PyObject * 1308 RangeGetattr(PyObject *self, char *name) 1309 { 1310 if (strcmp(name, "start") == 0) 1311 return Py_BuildValue(Py_ssize_t_fmt, ((RangeObject *)(self))->start - 1); 1312 else if (strcmp(name, "end") == 0) 1313 return Py_BuildValue(Py_ssize_t_fmt, ((RangeObject *)(self))->end - 1); 1314 else if (strcmp(name, "__members__") == 0) 1315 return ObjectDir(NULL, RangeAttrs); 1316 else 1317 return Py_FindMethod(RangeMethods, self, name); 1318 } 1319 1320 /****************/ 1321 1322 static PyInt 1323 RangeAssItem(PyObject *self, PyInt n, PyObject *val) 1324 { 1325 return RBAsItem(((RangeObject *)(self))->buf, n, val, 1326 ((RangeObject *)(self))->start, 1327 ((RangeObject *)(self))->end, 1328 &((RangeObject *)(self))->end); 1329 } 1330 1331 static PyInt 1332 RangeAssSlice(PyObject *self, PyInt lo, PyInt hi, PyObject *val) 1333 { 1334 return RBAsSlice(((RangeObject *)(self))->buf, lo, hi, val, 1335 ((RangeObject *)(self))->start, 1336 ((RangeObject *)(self))->end, 1337 &((RangeObject *)(self))->end); 1338 } 1339 1340 /* TabPage object - Implementation 1341 */ 1342 1343 static PyObject * 1344 TabPageGetattr(PyObject *self, char *name) 1345 { 1346 PyObject *r; 1347 1348 if ((r = TabPageAttrValid((TabPageObject *)(self), name))) 1349 return r; 1350 1351 if (CheckTabPage((TabPageObject *)(self))) 1352 return NULL; 1353 1354 r = TabPageAttr((TabPageObject *)(self), name); 1355 if (r || PyErr_Occurred()) 1356 return r; 1357 else 1358 return Py_FindMethod(TabPageMethods, self, name); 1359 } 1360 1361 /* Window object - Implementation 1362 */ 1363 1364 static PyObject * 1365 WindowGetattr(PyObject *self, char *name) 1366 { 1367 PyObject *r; 1368 1369 if ((r = WindowAttrValid((WindowObject *)(self), name))) 1370 return r; 1371 1372 if (CheckWindow((WindowObject *)(self))) 1373 return NULL; 1374 1375 r = WindowAttr((WindowObject *)(self), name); 1376 if (r || PyErr_Occurred()) 1377 return r; 1378 else 1379 return Py_FindMethod(WindowMethods, self, name); 1380 } 1381 1382 /* Tab page list object - Definitions 1383 */ 1384 1385 static PySequenceMethods TabListAsSeq = { 1386 (PyInquiry) TabListLength, /* sq_length, len(x) */ 1387 (binaryfunc) 0, /* sq_concat, x+y */ 1388 (PyIntArgFunc) 0, /* sq_repeat, x*n */ 1389 (PyIntArgFunc) TabListItem, /* sq_item, x[i] */ 1390 (PyIntIntArgFunc) 0, /* sq_slice, x[i:j] */ 1391 (PyIntObjArgProc) 0, /* sq_ass_item, x[i]=v */ 1392 (PyIntIntObjArgProc) 0, /* sq_ass_slice, x[i:j]=v */ 1393 (objobjproc) 0, 1394 #if PY_MAJOR_VERSION >= 2 1395 (binaryfunc) 0, 1396 0, 1397 #endif 1398 }; 1399 1400 /* Window list object - Definitions 1401 */ 1402 1403 static PySequenceMethods WinListAsSeq = { 1404 (PyInquiry) WinListLength, /* sq_length, len(x) */ 1405 (binaryfunc) 0, /* sq_concat, x+y */ 1406 (PyIntArgFunc) 0, /* sq_repeat, x*n */ 1407 (PyIntArgFunc) WinListItem, /* sq_item, x[i] */ 1408 (PyIntIntArgFunc) 0, /* sq_slice, x[i:j] */ 1409 (PyIntObjArgProc) 0, /* sq_ass_item, x[i]=v */ 1410 (PyIntIntObjArgProc) 0, /* sq_ass_slice, x[i:j]=v */ 1411 (objobjproc) 0, 1412 #if PY_MAJOR_VERSION >= 2 1413 (binaryfunc) 0, 1414 0, 1415 #endif 1416 }; 1417 1418 /* External interface 1419 */ 1420 1421 void 1422 python_buffer_free(buf_T *buf) 1423 { 1424 if (BUF_PYTHON_REF(buf) != NULL) 1425 { 1426 BufferObject *bp = BUF_PYTHON_REF(buf); 1427 bp->buf = INVALID_BUFFER_VALUE; 1428 BUF_PYTHON_REF(buf) = NULL; 1429 } 1430 } 1431 1432 void 1433 python_window_free(win_T *win) 1434 { 1435 if (WIN_PYTHON_REF(win) != NULL) 1436 { 1437 WindowObject *wp = WIN_PYTHON_REF(win); 1438 wp->win = INVALID_WINDOW_VALUE; 1439 WIN_PYTHON_REF(win) = NULL; 1440 } 1441 } 1442 1443 void 1444 python_tabpage_free(tabpage_T *tab) 1445 { 1446 if (TAB_PYTHON_REF(tab) != NULL) 1447 { 1448 TabPageObject *tp = TAB_PYTHON_REF(tab); 1449 tp->tab = INVALID_TABPAGE_VALUE; 1450 TAB_PYTHON_REF(tab) = NULL; 1451 } 1452 } 1453 1454 static int 1455 PythonMod_Init(void) 1456 { 1457 /* The special value is removed from sys.path in Python_Init(). */ 1458 static char *(argv[2]) = {"/must>not&exist/foo", NULL}; 1459 1460 if (init_types()) 1461 return -1; 1462 1463 /* Set sys.argv[] to avoid a crash in warn(). */ 1464 PySys_SetArgv(1, argv); 1465 1466 vim_module = Py_InitModule4("vim", VimMethods, (char *)NULL, 1467 (PyObject *)NULL, PYTHON_API_VERSION); 1468 1469 if (populate_module(vim_module)) 1470 return -1; 1471 1472 if (init_sys_path()) 1473 return -1; 1474 1475 return 0; 1476 } 1477 1478 /************************************************************************* 1479 * 4. Utility functions for handling the interface between Vim and Python. 1480 */ 1481 1482 /* Convert a Vim line into a Python string. 1483 * All internal newlines are replaced by null characters. 1484 * 1485 * On errors, the Python exception data is set, and NULL is returned. 1486 */ 1487 static PyObject * 1488 LineToString(const char *str) 1489 { 1490 PyObject *result; 1491 PyInt len = strlen(str); 1492 char *p; 1493 1494 /* Allocate an Python string object, with uninitialised contents. We 1495 * must do it this way, so that we can modify the string in place 1496 * later. See the Python source, Objects/stringobject.c for details. 1497 */ 1498 result = PyString_FromStringAndSize(NULL, len); 1499 if (result == NULL) 1500 return NULL; 1501 1502 p = PyString_AsString(result); 1503 1504 while (*str) 1505 { 1506 if (*str == '\n') 1507 *p = '\0'; 1508 else 1509 *p = *str; 1510 1511 ++p; 1512 ++str; 1513 } 1514 1515 return result; 1516 } 1517 1518 static PyObject * 1519 DictionaryGetattr(PyObject *self, char *name) 1520 { 1521 DictionaryObject *this = ((DictionaryObject *) (self)); 1522 1523 if (strcmp(name, "locked") == 0) 1524 return PyInt_FromLong(this->dict->dv_lock); 1525 else if (strcmp(name, "scope") == 0) 1526 return PyInt_FromLong(this->dict->dv_scope); 1527 else if (strcmp(name, "__members__") == 0) 1528 return ObjectDir(NULL, DictionaryAttrs); 1529 1530 return Py_FindMethod(DictionaryMethods, self, name); 1531 } 1532 1533 static PyObject * 1534 ListGetattr(PyObject *self, char *name) 1535 { 1536 if (strcmp(name, "locked") == 0) 1537 return PyInt_FromLong(((ListObject *)(self))->list->lv_lock); 1538 else if (strcmp(name, "__members__") == 0) 1539 return ObjectDir(NULL, ListAttrs); 1540 1541 return Py_FindMethod(ListMethods, self, name); 1542 } 1543 1544 static PyObject * 1545 FunctionGetattr(PyObject *self, char *name) 1546 { 1547 PyObject *r; 1548 1549 r = FunctionAttr((FunctionObject *)(self), name); 1550 1551 if (r || PyErr_Occurred()) 1552 return r; 1553 else 1554 return Py_FindMethod(FunctionMethods, self, name); 1555 } 1556 1557 void 1558 do_pyeval(char_u *str, typval_T *rettv) 1559 { 1560 DoPyCommand((char *) str, 1561 (rangeinitializer) init_range_eval, 1562 (runner) run_eval, 1563 (void *) rettv); 1564 if (rettv->v_type == VAR_UNKNOWN) 1565 { 1566 rettv->v_type = VAR_NUMBER; 1567 rettv->vval.v_number = 0; 1568 } 1569 } 1570 1571 /* Don't generate a prototype for the next function, it generates an error on 1572 * newer Python versions. */ 1573 #if PYTHON_API_VERSION < 1007 /* Python 1.4 */ && !defined(PROTO) 1574 1575 char * 1576 Py_GetProgramName(void) 1577 { 1578 return "vim"; 1579 } 1580 #endif /* Python 1.4 */ 1581 1582 int 1583 set_ref_in_python(int copyID) 1584 { 1585 return set_ref_in_py(copyID); 1586 } 1587