1 /* vi:set ts=8 sts=4 sw=4: 2 * 3 * VIM - Vi IMproved by Bram Moolenaar 4 * 5 * Do ":help uganda" in Vim to read copying and usage conditions. 6 * Do ":help credits" in Vim to see a list of people who contributed. 7 * See README.txt for an overview of the Vim source code. 8 */ 9 /* 10 * Python extensions by Paul Moore. 11 * Changes for Unix by David Leonard. 12 * 13 * This consists of four parts: 14 * 1. Python interpreter main program 15 * 2. Python output stream: writes output via [e]msg(). 16 * 3. Implementation of the Vim module for Python 17 * 4. Utility functions for handling the interface between Vim and Python. 18 */ 19 20 /* 21 * Roland Puntaier 2009/sept/16: 22 * Adaptations to support both python3.x and python2.x 23 */ 24 25 /* uncomment this if used with the debug version of python */ 26 /* #define Py_DEBUG */ 27 28 #include "vim.h" 29 30 #include <limits.h> 31 32 /* Python.h defines _POSIX_THREADS itself (if needed) */ 33 #ifdef _POSIX_THREADS 34 # undef _POSIX_THREADS 35 #endif 36 37 #if defined(_WIN32) && defined(HAVE_FCNTL_H) 38 # undef HAVE_FCNTL_H 39 #endif 40 41 #ifdef _DEBUG 42 # undef _DEBUG 43 #endif 44 45 #ifdef F_BLANK 46 # undef F_BLANK 47 #endif 48 49 #ifdef HAVE_STDARG_H 50 # undef HAVE_STDARG_H /* Python's config.h defines it as well. */ 51 #endif 52 #ifdef _POSIX_C_SOURCE /* defined in feature.h */ 53 # undef _POSIX_C_SOURCE 54 #endif 55 #ifdef _XOPEN_SOURCE 56 # undef _XOPEN_SOURCE /* pyconfig.h defines it as well. */ 57 #endif 58 59 #include <Python.h> 60 #if defined(MACOS) && !defined(MACOS_X_UNIX) 61 # include "macglue.h" 62 # include <CodeFragments.h> 63 #endif 64 #undef main /* Defined in python.h - aargh */ 65 #undef HAVE_FCNTL_H /* Clash with os_win32.h */ 66 67 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02050000 68 # define PY_SSIZE_T_CLEAN 69 #endif 70 71 static void init_structs(void); 72 73 /* The "surrogateescape" error handler is new in Python 3.1 */ 74 #if PY_VERSION_HEX >= 0x030100f0 75 # define CODEC_ERROR_HANDLER "surrogateescape" 76 #else 77 # define CODEC_ERROR_HANDLER NULL 78 #endif 79 80 /* Python 3 does not support CObjects, always use Capsules */ 81 #define PY_USE_CAPSULE 82 83 #define PyInt Py_ssize_t 84 #define PyString_Check(obj) PyUnicode_Check(obj) 85 #define PyString_AsBytes(obj) PyUnicode_AsEncodedString(obj, (char *)ENC_OPT, CODEC_ERROR_HANDLER) 86 #define PyString_FreeBytes(obj) Py_XDECREF(bytes) 87 #define PyString_AsString(obj) PyBytes_AsString(obj) 88 #define PyString_Size(obj) PyBytes_GET_SIZE(bytes) 89 #define PyString_FromString(repr) PyUnicode_FromString(repr) 90 #define PyString_AsStringAndSize(obj, buffer, len) PyBytes_AsStringAndSize(obj, buffer, len) 91 #define PyInt_Check(obj) PyLong_Check(obj) 92 #define PyInt_FromLong(i) PyLong_FromLong(i) 93 #define PyInt_AsLong(obj) PyLong_AsLong(obj) 94 95 #if defined(DYNAMIC_PYTHON3) || defined(PROTO) 96 97 # ifndef WIN3264 98 # include <dlfcn.h> 99 # define FARPROC void* 100 # define HINSTANCE void* 101 # if defined(PY_NO_RTLD_GLOBAL) && defined(PY3_NO_RTLD_GLOBAL) 102 # define load_dll(n) dlopen((n), RTLD_LAZY) 103 # else 104 # define load_dll(n) dlopen((n), RTLD_LAZY|RTLD_GLOBAL) 105 # endif 106 # define close_dll dlclose 107 # define symbol_from_dll dlsym 108 # else 109 # define load_dll vimLoadLib 110 # define close_dll FreeLibrary 111 # define symbol_from_dll GetProcAddress 112 # endif 113 /* 114 * Wrapper defines 115 */ 116 # undef PyArg_Parse 117 # define PyArg_Parse py3_PyArg_Parse 118 # undef PyArg_ParseTuple 119 # define PyArg_ParseTuple py3_PyArg_ParseTuple 120 # define PyMem_Free py3_PyMem_Free 121 # define PyMem_Malloc py3_PyMem_Malloc 122 # define PyDict_SetItemString py3_PyDict_SetItemString 123 # define PyErr_BadArgument py3_PyErr_BadArgument 124 # define PyErr_Clear py3_PyErr_Clear 125 # define PyErr_NoMemory py3_PyErr_NoMemory 126 # define PyErr_Occurred py3_PyErr_Occurred 127 # define PyErr_SetNone py3_PyErr_SetNone 128 # define PyErr_SetString py3_PyErr_SetString 129 # define PyEval_InitThreads py3_PyEval_InitThreads 130 # define PyEval_RestoreThread py3_PyEval_RestoreThread 131 # define PyEval_SaveThread py3_PyEval_SaveThread 132 # define PyGILState_Ensure py3_PyGILState_Ensure 133 # define PyGILState_Release py3_PyGILState_Release 134 # define PyLong_AsLong py3_PyLong_AsLong 135 # define PyLong_FromLong py3_PyLong_FromLong 136 # define PyList_GetItem py3_PyList_GetItem 137 # define PyList_Append py3_PyList_Append 138 # define PyList_New py3_PyList_New 139 # define PyList_SetItem py3_PyList_SetItem 140 # define PyList_Size py3_PyList_Size 141 # define PySequence_Check py3_PySequence_Check 142 # define PySequence_Size py3_PySequence_Size 143 # define PySequence_GetItem py3_PySequence_GetItem 144 # define PyTuple_Size py3_PyTuple_Size 145 # define PyTuple_GetItem py3_PyTuple_GetItem 146 # define PySlice_GetIndicesEx py3_PySlice_GetIndicesEx 147 # define PyImport_ImportModule py3_PyImport_ImportModule 148 # define PyImport_AddModule py3_PyImport_AddModule 149 # define PyObject_Init py3__PyObject_Init 150 # define PyDict_New py3_PyDict_New 151 # define PyDict_GetItemString py3_PyDict_GetItemString 152 # define PyDict_Next py3_PyDict_Next 153 # define PyMapping_Check py3_PyMapping_Check 154 # define PyMapping_Items py3_PyMapping_Items 155 # define PyIter_Next py3_PyIter_Next 156 # define PyObject_GetIter py3_PyObject_GetIter 157 # define PyModule_GetDict py3_PyModule_GetDict 158 #undef PyRun_SimpleString 159 # define PyRun_SimpleString py3_PyRun_SimpleString 160 #undef PyRun_String 161 # define PyRun_String py3_PyRun_String 162 # define PySys_SetObject py3_PySys_SetObject 163 # define PySys_SetArgv py3_PySys_SetArgv 164 # define PyType_Ready py3_PyType_Ready 165 #undef Py_BuildValue 166 # define Py_BuildValue py3_Py_BuildValue 167 # define Py_SetPythonHome py3_Py_SetPythonHome 168 # define Py_Initialize py3_Py_Initialize 169 # define Py_Finalize py3_Py_Finalize 170 # define Py_IsInitialized py3_Py_IsInitialized 171 # define _Py_NoneStruct (*py3__Py_NoneStruct) 172 # define _Py_FalseStruct (*py3__Py_FalseStruct) 173 # define _Py_TrueStruct (*py3__Py_TrueStruct) 174 # define _PyObject_NextNotImplemented (*py3__PyObject_NextNotImplemented) 175 # define PyModule_AddObject py3_PyModule_AddObject 176 # define PyImport_AppendInittab py3_PyImport_AppendInittab 177 # if PY_VERSION_HEX >= 0x030300f0 178 # undef _PyUnicode_AsString 179 # define _PyUnicode_AsString py3_PyUnicode_AsUTF8 180 # else 181 # define _PyUnicode_AsString py3__PyUnicode_AsString 182 # endif 183 # undef PyUnicode_AsEncodedString 184 # define PyUnicode_AsEncodedString py3_PyUnicode_AsEncodedString 185 # undef PyBytes_AsString 186 # define PyBytes_AsString py3_PyBytes_AsString 187 # define PyBytes_AsStringAndSize py3_PyBytes_AsStringAndSize 188 # undef PyBytes_FromString 189 # define PyBytes_FromString py3_PyBytes_FromString 190 # define PyFloat_FromDouble py3_PyFloat_FromDouble 191 # define PyFloat_AsDouble py3_PyFloat_AsDouble 192 # define PyObject_GenericGetAttr py3_PyObject_GenericGetAttr 193 # define PyType_Type (*py3_PyType_Type) 194 # define PySlice_Type (*py3_PySlice_Type) 195 # define PyFloat_Type (*py3_PyFloat_Type) 196 # define PyBool_Type (*py3_PyBool_Type) 197 # define PyErr_NewException py3_PyErr_NewException 198 # ifdef Py_DEBUG 199 # define _Py_NegativeRefcount py3__Py_NegativeRefcount 200 # define _Py_RefTotal (*py3__Py_RefTotal) 201 # define _Py_Dealloc py3__Py_Dealloc 202 # define _PyObject_DebugMalloc py3__PyObject_DebugMalloc 203 # define _PyObject_DebugFree py3__PyObject_DebugFree 204 # else 205 # define PyObject_Malloc py3_PyObject_Malloc 206 # define PyObject_Free py3_PyObject_Free 207 # endif 208 # define PyType_GenericAlloc py3_PyType_GenericAlloc 209 # define PyType_GenericNew py3_PyType_GenericNew 210 # define PyModule_Create2 py3_PyModule_Create2 211 # undef PyUnicode_FromString 212 # define PyUnicode_FromString py3_PyUnicode_FromString 213 # undef PyUnicode_Decode 214 # define PyUnicode_Decode py3_PyUnicode_Decode 215 # define PyType_IsSubtype py3_PyType_IsSubtype 216 # define PyCapsule_New py3_PyCapsule_New 217 # define PyCapsule_GetPointer py3_PyCapsule_GetPointer 218 219 # ifdef Py_DEBUG 220 # undef PyObject_NEW 221 # define PyObject_NEW(type, typeobj) \ 222 ( (type *) PyObject_Init( \ 223 (PyObject *) _PyObject_DebugMalloc( _PyObject_SIZE(typeobj) ), (typeobj)) ) 224 # endif 225 226 /* 227 * Pointers for dynamic link 228 */ 229 static int (*py3_PySys_SetArgv)(int, wchar_t **); 230 static void (*py3_Py_SetPythonHome)(wchar_t *home); 231 static void (*py3_Py_Initialize)(void); 232 static PyObject* (*py3_PyList_New)(Py_ssize_t size); 233 static PyGILState_STATE (*py3_PyGILState_Ensure)(void); 234 static void (*py3_PyGILState_Release)(PyGILState_STATE); 235 static int (*py3_PySys_SetObject)(char *, PyObject *); 236 static PyObject* (*py3_PyList_Append)(PyObject *, PyObject *); 237 static Py_ssize_t (*py3_PyList_Size)(PyObject *); 238 static int (*py3_PySequence_Check)(PyObject *); 239 static Py_ssize_t (*py3_PySequence_Size)(PyObject *); 240 static PyObject* (*py3_PySequence_GetItem)(PyObject *, Py_ssize_t); 241 static Py_ssize_t (*py3_PyTuple_Size)(PyObject *); 242 static PyObject* (*py3_PyTuple_GetItem)(PyObject *, Py_ssize_t); 243 static int (*py3_PyMapping_Check)(PyObject *); 244 static PyObject* (*py3_PyMapping_Items)(PyObject *); 245 static int (*py3_PySlice_GetIndicesEx)(PyObject *r, Py_ssize_t length, 246 Py_ssize_t *start, Py_ssize_t *stop, Py_ssize_t *step, Py_ssize_t *slicelength); 247 static PyObject* (*py3_PyErr_NoMemory)(void); 248 static void (*py3_Py_Finalize)(void); 249 static void (*py3_PyErr_SetString)(PyObject *, const char *); 250 static int (*py3_PyRun_SimpleString)(char *); 251 static PyObject* (*py3_PyRun_String)(char *, int, PyObject *, PyObject *); 252 static PyObject* (*py3_PyList_GetItem)(PyObject *, Py_ssize_t); 253 static PyObject* (*py3_PyImport_ImportModule)(const char *); 254 static PyObject* (*py3_PyImport_AddModule)(const char *); 255 static int (*py3_PyErr_BadArgument)(void); 256 static PyObject* (*py3_PyErr_Occurred)(void); 257 static PyObject* (*py3_PyModule_GetDict)(PyObject *); 258 static int (*py3_PyList_SetItem)(PyObject *, Py_ssize_t, PyObject *); 259 static PyObject* (*py3_PyDict_GetItemString)(PyObject *, const char *); 260 static int (*py3_PyDict_Next)(PyObject *, Py_ssize_t *, PyObject **, PyObject **); 261 static PyObject* (*py3_PyLong_FromLong)(long); 262 static PyObject* (*py3_PyDict_New)(void); 263 static PyObject* (*py3_PyIter_Next)(PyObject *); 264 static PyObject* (*py3_PyObject_GetIter)(PyObject *); 265 static PyObject* (*py3_Py_BuildValue)(char *, ...); 266 static int (*py3_PyType_Ready)(PyTypeObject *type); 267 static int (*py3_PyDict_SetItemString)(PyObject *dp, char *key, PyObject *item); 268 static PyObject* (*py3_PyUnicode_FromString)(const char *u); 269 static PyObject* (*py3_PyUnicode_Decode)(const char *u, Py_ssize_t size, 270 const char *encoding, const char *errors); 271 static long (*py3_PyLong_AsLong)(PyObject *); 272 static void (*py3_PyErr_SetNone)(PyObject *); 273 static void (*py3_PyEval_InitThreads)(void); 274 static void(*py3_PyEval_RestoreThread)(PyThreadState *); 275 static PyThreadState*(*py3_PyEval_SaveThread)(void); 276 static int (*py3_PyArg_Parse)(PyObject *, char *, ...); 277 static int (*py3_PyArg_ParseTuple)(PyObject *, char *, ...); 278 static int (*py3_PyMem_Free)(void *); 279 static void* (*py3_PyMem_Malloc)(size_t); 280 static int (*py3_Py_IsInitialized)(void); 281 static void (*py3_PyErr_Clear)(void); 282 static PyObject*(*py3__PyObject_Init)(PyObject *, PyTypeObject *); 283 static iternextfunc py3__PyObject_NextNotImplemented; 284 static PyObject* py3__Py_NoneStruct; 285 static PyObject* py3__Py_FalseStruct; 286 static PyObject* py3__Py_TrueStruct; 287 static int (*py3_PyModule_AddObject)(PyObject *m, const char *name, PyObject *o); 288 static int (*py3_PyImport_AppendInittab)(const char *name, PyObject* (*initfunc)(void)); 289 # if PY_VERSION_HEX >= 0x030300f0 290 static char* (*py3_PyUnicode_AsUTF8)(PyObject *unicode); 291 # else 292 static char* (*py3__PyUnicode_AsString)(PyObject *unicode); 293 # endif 294 static PyObject* (*py3_PyUnicode_AsEncodedString)(PyObject *unicode, const char* encoding, const char* errors); 295 static char* (*py3_PyBytes_AsString)(PyObject *bytes); 296 static int (*py3_PyBytes_AsStringAndSize)(PyObject *bytes, char **buffer, int *length); 297 static PyObject* (*py3_PyBytes_FromString)(char *str); 298 static PyObject* (*py3_PyFloat_FromDouble)(double num); 299 static double (*py3_PyFloat_AsDouble)(PyObject *); 300 static PyObject* (*py3_PyObject_GenericGetAttr)(PyObject *obj, PyObject *name); 301 static PyObject* (*py3_PyModule_Create2)(struct PyModuleDef* module, int module_api_version); 302 static PyObject* (*py3_PyType_GenericAlloc)(PyTypeObject *type, Py_ssize_t nitems); 303 static PyObject* (*py3_PyType_GenericNew)(PyTypeObject *type, PyObject *args, PyObject *kwds); 304 static PyTypeObject* py3_PyType_Type; 305 static PyTypeObject* py3_PySlice_Type; 306 static PyTypeObject* py3_PyFloat_Type; 307 static PyTypeObject* py3_PyBool_Type; 308 static PyObject* (*py3_PyErr_NewException)(char *name, PyObject *base, PyObject *dict); 309 static PyObject* (*py3_PyCapsule_New)(void *, char *, PyCapsule_Destructor); 310 static void* (*py3_PyCapsule_GetPointer)(PyObject *, char *); 311 # ifdef Py_DEBUG 312 static void (*py3__Py_NegativeRefcount)(const char *fname, int lineno, PyObject *op); 313 static Py_ssize_t* py3__Py_RefTotal; 314 static void (*py3__Py_Dealloc)(PyObject *obj); 315 static void (*py3__PyObject_DebugFree)(void*); 316 static void* (*py3__PyObject_DebugMalloc)(size_t); 317 # else 318 static void (*py3_PyObject_Free)(void*); 319 static void* (*py3_PyObject_Malloc)(size_t); 320 # endif 321 static int (*py3_PyType_IsSubtype)(PyTypeObject *, PyTypeObject *); 322 323 static HINSTANCE hinstPy3 = 0; /* Instance of python.dll */ 324 325 /* Imported exception objects */ 326 static PyObject *p3imp_PyExc_AttributeError; 327 static PyObject *p3imp_PyExc_IndexError; 328 static PyObject *p3imp_PyExc_KeyboardInterrupt; 329 static PyObject *p3imp_PyExc_TypeError; 330 static PyObject *p3imp_PyExc_ValueError; 331 332 # define PyExc_AttributeError p3imp_PyExc_AttributeError 333 # define PyExc_IndexError p3imp_PyExc_IndexError 334 # define PyExc_KeyboardInterrupt p3imp_PyExc_KeyboardInterrupt 335 # define PyExc_TypeError p3imp_PyExc_TypeError 336 # define PyExc_ValueError p3imp_PyExc_ValueError 337 338 /* 339 * Table of name to function pointer of python. 340 */ 341 # define PYTHON_PROC FARPROC 342 static struct 343 { 344 char *name; 345 PYTHON_PROC *ptr; 346 } py3_funcname_table[] = 347 { 348 {"PySys_SetArgv", (PYTHON_PROC*)&py3_PySys_SetArgv}, 349 {"Py_SetPythonHome", (PYTHON_PROC*)&py3_Py_SetPythonHome}, 350 {"Py_Initialize", (PYTHON_PROC*)&py3_Py_Initialize}, 351 # ifndef PY_SSIZE_T_CLEAN 352 {"PyArg_ParseTuple", (PYTHON_PROC*)&py3_PyArg_ParseTuple}, 353 {"Py_BuildValue", (PYTHON_PROC*)&py3_Py_BuildValue}, 354 # else 355 {"_PyArg_ParseTuple_SizeT", (PYTHON_PROC*)&py3_PyArg_ParseTuple}, 356 {"_Py_BuildValue_SizeT", (PYTHON_PROC*)&py3_Py_BuildValue}, 357 # endif 358 {"PyMem_Free", (PYTHON_PROC*)&py3_PyMem_Free}, 359 {"PyMem_Malloc", (PYTHON_PROC*)&py3_PyMem_Malloc}, 360 {"PyList_New", (PYTHON_PROC*)&py3_PyList_New}, 361 {"PyGILState_Ensure", (PYTHON_PROC*)&py3_PyGILState_Ensure}, 362 {"PyGILState_Release", (PYTHON_PROC*)&py3_PyGILState_Release}, 363 {"PySys_SetObject", (PYTHON_PROC*)&py3_PySys_SetObject}, 364 {"PyList_Append", (PYTHON_PROC*)&py3_PyList_Append}, 365 {"PyList_Size", (PYTHON_PROC*)&py3_PyList_Size}, 366 {"PySequence_Check", (PYTHON_PROC*)&py3_PySequence_Check}, 367 {"PySequence_Size", (PYTHON_PROC*)&py3_PySequence_Size}, 368 {"PySequence_GetItem", (PYTHON_PROC*)&py3_PySequence_GetItem}, 369 {"PyTuple_Size", (PYTHON_PROC*)&py3_PyTuple_Size}, 370 {"PyTuple_GetItem", (PYTHON_PROC*)&py3_PyTuple_GetItem}, 371 {"PySlice_GetIndicesEx", (PYTHON_PROC*)&py3_PySlice_GetIndicesEx}, 372 {"PyErr_NoMemory", (PYTHON_PROC*)&py3_PyErr_NoMemory}, 373 {"Py_Finalize", (PYTHON_PROC*)&py3_Py_Finalize}, 374 {"PyErr_SetString", (PYTHON_PROC*)&py3_PyErr_SetString}, 375 {"PyRun_SimpleString", (PYTHON_PROC*)&py3_PyRun_SimpleString}, 376 {"PyRun_String", (PYTHON_PROC*)&py3_PyRun_String}, 377 {"PyList_GetItem", (PYTHON_PROC*)&py3_PyList_GetItem}, 378 {"PyImport_ImportModule", (PYTHON_PROC*)&py3_PyImport_ImportModule}, 379 {"PyImport_AddModule", (PYTHON_PROC*)&py3_PyImport_AddModule}, 380 {"PyErr_BadArgument", (PYTHON_PROC*)&py3_PyErr_BadArgument}, 381 {"PyErr_Occurred", (PYTHON_PROC*)&py3_PyErr_Occurred}, 382 {"PyModule_GetDict", (PYTHON_PROC*)&py3_PyModule_GetDict}, 383 {"PyList_SetItem", (PYTHON_PROC*)&py3_PyList_SetItem}, 384 {"PyDict_GetItemString", (PYTHON_PROC*)&py3_PyDict_GetItemString}, 385 {"PyDict_Next", (PYTHON_PROC*)&py3_PyDict_Next}, 386 {"PyMapping_Check", (PYTHON_PROC*)&py3_PyMapping_Check}, 387 {"PyMapping_Items", (PYTHON_PROC*)&py3_PyMapping_Items}, 388 {"PyIter_Next", (PYTHON_PROC*)&py3_PyIter_Next}, 389 {"PyObject_GetIter", (PYTHON_PROC*)&py3_PyObject_GetIter}, 390 {"PyLong_FromLong", (PYTHON_PROC*)&py3_PyLong_FromLong}, 391 {"PyDict_New", (PYTHON_PROC*)&py3_PyDict_New}, 392 {"PyType_Ready", (PYTHON_PROC*)&py3_PyType_Ready}, 393 {"PyDict_SetItemString", (PYTHON_PROC*)&py3_PyDict_SetItemString}, 394 {"PyLong_AsLong", (PYTHON_PROC*)&py3_PyLong_AsLong}, 395 {"PyErr_SetNone", (PYTHON_PROC*)&py3_PyErr_SetNone}, 396 {"PyEval_InitThreads", (PYTHON_PROC*)&py3_PyEval_InitThreads}, 397 {"PyEval_RestoreThread", (PYTHON_PROC*)&py3_PyEval_RestoreThread}, 398 {"PyEval_SaveThread", (PYTHON_PROC*)&py3_PyEval_SaveThread}, 399 {"PyArg_Parse", (PYTHON_PROC*)&py3_PyArg_Parse}, 400 {"Py_IsInitialized", (PYTHON_PROC*)&py3_Py_IsInitialized}, 401 {"_PyObject_NextNotImplemented", (PYTHON_PROC*)&py3__PyObject_NextNotImplemented}, 402 {"_Py_NoneStruct", (PYTHON_PROC*)&py3__Py_NoneStruct}, 403 {"_Py_FalseStruct", (PYTHON_PROC*)&py3__Py_FalseStruct}, 404 {"_Py_TrueStruct", (PYTHON_PROC*)&py3__Py_TrueStruct}, 405 {"PyErr_Clear", (PYTHON_PROC*)&py3_PyErr_Clear}, 406 {"PyObject_Init", (PYTHON_PROC*)&py3__PyObject_Init}, 407 {"PyModule_AddObject", (PYTHON_PROC*)&py3_PyModule_AddObject}, 408 {"PyImport_AppendInittab", (PYTHON_PROC*)&py3_PyImport_AppendInittab}, 409 # if PY_VERSION_HEX >= 0x030300f0 410 {"PyUnicode_AsUTF8", (PYTHON_PROC*)&py3_PyUnicode_AsUTF8}, 411 # else 412 {"_PyUnicode_AsString", (PYTHON_PROC*)&py3__PyUnicode_AsString}, 413 # endif 414 {"PyBytes_AsString", (PYTHON_PROC*)&py3_PyBytes_AsString}, 415 {"PyBytes_AsStringAndSize", (PYTHON_PROC*)&py3_PyBytes_AsStringAndSize}, 416 {"PyBytes_FromString", (PYTHON_PROC*)&py3_PyBytes_FromString}, 417 {"PyFloat_FromDouble", (PYTHON_PROC*)&py3_PyFloat_FromDouble}, 418 {"PyFloat_AsDouble", (PYTHON_PROC*)&py3_PyFloat_AsDouble}, 419 {"PyObject_GenericGetAttr", (PYTHON_PROC*)&py3_PyObject_GenericGetAttr}, 420 {"PyModule_Create2", (PYTHON_PROC*)&py3_PyModule_Create2}, 421 {"PyType_GenericAlloc", (PYTHON_PROC*)&py3_PyType_GenericAlloc}, 422 {"PyType_GenericNew", (PYTHON_PROC*)&py3_PyType_GenericNew}, 423 {"PyType_Type", (PYTHON_PROC*)&py3_PyType_Type}, 424 {"PySlice_Type", (PYTHON_PROC*)&py3_PySlice_Type}, 425 {"PyFloat_Type", (PYTHON_PROC*)&py3_PyFloat_Type}, 426 {"PyBool_Type", (PYTHON_PROC*)&py3_PyBool_Type}, 427 {"PyErr_NewException", (PYTHON_PROC*)&py3_PyErr_NewException}, 428 # ifdef Py_DEBUG 429 {"_Py_NegativeRefcount", (PYTHON_PROC*)&py3__Py_NegativeRefcount}, 430 {"_Py_RefTotal", (PYTHON_PROC*)&py3__Py_RefTotal}, 431 {"_Py_Dealloc", (PYTHON_PROC*)&py3__Py_Dealloc}, 432 {"_PyObject_DebugFree", (PYTHON_PROC*)&py3__PyObject_DebugFree}, 433 {"_PyObject_DebugMalloc", (PYTHON_PROC*)&py3__PyObject_DebugMalloc}, 434 # else 435 {"PyObject_Malloc", (PYTHON_PROC*)&py3_PyObject_Malloc}, 436 {"PyObject_Free", (PYTHON_PROC*)&py3_PyObject_Free}, 437 # endif 438 {"PyType_IsSubtype", (PYTHON_PROC*)&py3_PyType_IsSubtype}, 439 {"PyCapsule_New", (PYTHON_PROC*)&py3_PyCapsule_New}, 440 {"PyCapsule_GetPointer", (PYTHON_PROC*)&py3_PyCapsule_GetPointer}, 441 {"", NULL}, 442 }; 443 444 /* 445 * Free python.dll 446 */ 447 static void 448 end_dynamic_python3(void) 449 { 450 if (hinstPy3 != 0) 451 { 452 close_dll(hinstPy3); 453 hinstPy3 = 0; 454 } 455 } 456 457 /* 458 * Load library and get all pointers. 459 * Parameter 'libname' provides name of DLL. 460 * Return OK or FAIL. 461 */ 462 static int 463 py3_runtime_link_init(char *libname, int verbose) 464 { 465 int i; 466 void *ucs_from_string, *ucs_decode, *ucs_as_encoded_string; 467 468 # if !(defined(PY_NO_RTLD_GLOBAL) && defined(PY3_NO_RTLD_GLOBAL)) && defined(UNIX) && defined(FEAT_PYTHON) 469 /* Can't have Python and Python3 loaded at the same time. 470 * It cause a crash, because RTLD_GLOBAL is needed for 471 * standard C extension libraries of one or both python versions. */ 472 if (python_loaded()) 473 { 474 if (verbose) 475 EMSG(_("E837: This Vim cannot execute :py3 after using :python")); 476 return FAIL; 477 } 478 # endif 479 480 if (hinstPy3 != 0) 481 return OK; 482 hinstPy3 = load_dll(libname); 483 484 if (!hinstPy3) 485 { 486 if (verbose) 487 EMSG2(_(e_loadlib), libname); 488 return FAIL; 489 } 490 491 for (i = 0; py3_funcname_table[i].ptr; ++i) 492 { 493 if ((*py3_funcname_table[i].ptr = symbol_from_dll(hinstPy3, 494 py3_funcname_table[i].name)) == NULL) 495 { 496 close_dll(hinstPy3); 497 hinstPy3 = 0; 498 if (verbose) 499 EMSG2(_(e_loadfunc), py3_funcname_table[i].name); 500 return FAIL; 501 } 502 } 503 504 /* Load unicode functions separately as only the ucs2 or the ucs4 functions 505 * will be present in the library. */ 506 # if PY_VERSION_HEX >= 0x030300f0 507 ucs_from_string = symbol_from_dll(hinstPy3, "PyUnicode_FromString"); 508 ucs_decode = symbol_from_dll(hinstPy3, "PyUnicode_Decode"); 509 ucs_as_encoded_string = symbol_from_dll(hinstPy3, 510 "PyUnicode_AsEncodedString"); 511 # else 512 ucs_from_string = symbol_from_dll(hinstPy3, "PyUnicodeUCS2_FromString"); 513 ucs_decode = symbol_from_dll(hinstPy3, 514 "PyUnicodeUCS2_Decode"); 515 ucs_as_encoded_string = symbol_from_dll(hinstPy3, 516 "PyUnicodeUCS2_AsEncodedString"); 517 if (!ucs_from_string || !ucs_decode || !ucs_as_encoded_string) 518 { 519 ucs_from_string = symbol_from_dll(hinstPy3, 520 "PyUnicodeUCS4_FromString"); 521 ucs_decode = symbol_from_dll(hinstPy3, 522 "PyUnicodeUCS4_Decode"); 523 ucs_as_encoded_string = symbol_from_dll(hinstPy3, 524 "PyUnicodeUCS4_AsEncodedString"); 525 } 526 # endif 527 if (ucs_from_string && ucs_decode && ucs_as_encoded_string) 528 { 529 py3_PyUnicode_FromString = ucs_from_string; 530 py3_PyUnicode_Decode = ucs_decode; 531 py3_PyUnicode_AsEncodedString = ucs_as_encoded_string; 532 } 533 else 534 { 535 close_dll(hinstPy3); 536 hinstPy3 = 0; 537 if (verbose) 538 EMSG2(_(e_loadfunc), "PyUnicode_UCSX_*"); 539 return FAIL; 540 } 541 542 return OK; 543 } 544 545 /* 546 * If python is enabled (there is installed python on Windows system) return 547 * TRUE, else FALSE. 548 */ 549 int 550 python3_enabled(int verbose) 551 { 552 return py3_runtime_link_init(DYNAMIC_PYTHON3_DLL, verbose) == OK; 553 } 554 555 /* Load the standard Python exceptions - don't import the symbols from the 556 * DLL, as this can cause errors (importing data symbols is not reliable). 557 */ 558 static void get_py3_exceptions __ARGS((void)); 559 560 static void 561 get_py3_exceptions() 562 { 563 PyObject *exmod = PyImport_ImportModule("builtins"); 564 PyObject *exdict = PyModule_GetDict(exmod); 565 p3imp_PyExc_AttributeError = PyDict_GetItemString(exdict, "AttributeError"); 566 p3imp_PyExc_IndexError = PyDict_GetItemString(exdict, "IndexError"); 567 p3imp_PyExc_KeyboardInterrupt = PyDict_GetItemString(exdict, "KeyboardInterrupt"); 568 p3imp_PyExc_TypeError = PyDict_GetItemString(exdict, "TypeError"); 569 p3imp_PyExc_ValueError = PyDict_GetItemString(exdict, "ValueError"); 570 Py_XINCREF(p3imp_PyExc_AttributeError); 571 Py_XINCREF(p3imp_PyExc_IndexError); 572 Py_XINCREF(p3imp_PyExc_KeyboardInterrupt); 573 Py_XINCREF(p3imp_PyExc_TypeError); 574 Py_XINCREF(p3imp_PyExc_ValueError); 575 Py_XDECREF(exmod); 576 } 577 #endif /* DYNAMIC_PYTHON3 */ 578 579 static PyObject *BufferNew (buf_T *); 580 static PyObject *WindowNew(win_T *); 581 static PyObject *LineToString(const char *); 582 static PyObject *BufferDir(PyObject *, PyObject *); 583 584 static PyTypeObject RangeType; 585 586 static int py3initialised = 0; 587 588 #define PYINITIALISED py3initialised 589 590 #define DICTKEY_DECL PyObject *bytes = NULL; 591 592 #define DICTKEY_GET(err) \ 593 if (PyBytes_Check(keyObject)) \ 594 { \ 595 if (PyString_AsStringAndSize(keyObject, (char **) &key, NULL) == -1) \ 596 return err; \ 597 } \ 598 else if (PyUnicode_Check(keyObject)) \ 599 { \ 600 bytes = PyString_AsBytes(keyObject); \ 601 if (bytes == NULL) \ 602 return err; \ 603 if (PyString_AsStringAndSize(bytes, (char **) &key, NULL) == -1) \ 604 return err; \ 605 } \ 606 else \ 607 { \ 608 PyErr_SetString(PyExc_TypeError, _("only string keys are allowed")); \ 609 return err; \ 610 } 611 612 #define DICTKEY_UNREF \ 613 if (bytes != NULL) \ 614 Py_XDECREF(bytes); 615 616 /* 617 * Include the code shared with if_python.c 618 */ 619 #include "if_py_both.h" 620 621 #define GET_ATTR_STRING(name, nameobj) \ 622 char *name = ""; \ 623 if (PyUnicode_Check(nameobj)) \ 624 name = _PyUnicode_AsString(nameobj) 625 626 #define PY3OBJ_DELETED(obj) (obj->ob_base.ob_refcnt<=0) 627 628 static void 629 call_PyObject_Free(void *p) 630 { 631 #ifdef Py_DEBUG 632 _PyObject_DebugFree(p); 633 #else 634 PyObject_Free(p); 635 #endif 636 } 637 638 static PyObject * 639 call_PyType_GenericNew(PyTypeObject *type, PyObject *args, PyObject *kwds) 640 { 641 return PyType_GenericNew(type,args,kwds); 642 } 643 644 static PyObject * 645 call_PyType_GenericAlloc(PyTypeObject *type, Py_ssize_t nitems) 646 { 647 return PyType_GenericAlloc(type,nitems); 648 } 649 650 /****************************************************** 651 * Internal function prototypes. 652 */ 653 654 static Py_ssize_t RangeStart; 655 static Py_ssize_t RangeEnd; 656 657 static PyObject *globals; 658 659 static int PythonIO_Init(void); 660 static PyObject *Py3Init_vim(void); 661 662 /****************************************************** 663 * 1. Python interpreter main program. 664 */ 665 666 static PyGILState_STATE pygilstate = PyGILState_UNLOCKED; 667 668 void 669 python3_end() 670 { 671 static int recurse = 0; 672 673 /* If a crash occurs while doing this, don't try again. */ 674 if (recurse != 0) 675 return; 676 677 ++recurse; 678 679 #ifdef DYNAMIC_PYTHON3 680 if (hinstPy3) 681 #endif 682 if (Py_IsInitialized()) 683 { 684 // acquire lock before finalizing 685 pygilstate = PyGILState_Ensure(); 686 687 Py_Finalize(); 688 } 689 690 #ifdef DYNAMIC_PYTHON3 691 end_dynamic_python3(); 692 #endif 693 694 --recurse; 695 } 696 697 #if (defined(DYNAMIC_PYTHON) && defined(FEAT_PYTHON)) || defined(PROTO) 698 int 699 python3_loaded() 700 { 701 return (hinstPy3 != 0); 702 } 703 #endif 704 705 static int 706 Python3_Init(void) 707 { 708 if (!py3initialised) 709 { 710 #ifdef DYNAMIC_PYTHON3 711 if (!python3_enabled(TRUE)) 712 { 713 EMSG(_("E263: Sorry, this command is disabled, the Python library could not be loaded.")); 714 goto fail; 715 } 716 #endif 717 718 init_structs(); 719 720 721 #ifdef PYTHON3_HOME 722 Py_SetPythonHome(PYTHON3_HOME); 723 #endif 724 725 PyImport_AppendInittab("vim", Py3Init_vim); 726 727 #if !defined(MACOS) || defined(MACOS_X_UNIX) 728 Py_Initialize(); 729 #else 730 PyMac_Initialize(); 731 #endif 732 /* Initialise threads, and below save the state using 733 * PyEval_SaveThread. Without the call to PyEval_SaveThread, thread 734 * specific state (such as the system trace hook), will be lost 735 * between invocations of Python code. */ 736 PyEval_InitThreads(); 737 #ifdef DYNAMIC_PYTHON3 738 get_py3_exceptions(); 739 #endif 740 741 if (PythonIO_Init()) 742 goto fail; 743 744 globals = PyModule_GetDict(PyImport_AddModule("__main__")); 745 746 /* Remove the element from sys.path that was added because of our 747 * argv[0] value in Py3Init_vim(). Previously we used an empty 748 * string, but dependinding on the OS we then get an empty entry or 749 * the current directory in sys.path. 750 * Only after vim has been imported, the element does exist in 751 * sys.path. 752 */ 753 PyRun_SimpleString("import vim; import sys; sys.path = list(filter(lambda x: not x.endswith('must>not&exist'), sys.path))"); 754 755 /* lock is created and acquired in PyEval_InitThreads() and thread 756 * state is created in Py_Initialize() 757 * there _PyGILState_NoteThreadState() also sets gilcounter to 1 758 * (python must have threads enabled!) 759 * so the following does both: unlock GIL and save thread state in TLS 760 * without deleting thread state 761 */ 762 PyEval_SaveThread(); 763 764 py3initialised = 1; 765 } 766 767 return 0; 768 769 fail: 770 /* We call PythonIO_Flush() here to print any Python errors. 771 * This is OK, as it is possible to call this function even 772 * if PythonIO_Init() has not completed successfully (it will 773 * not do anything in this case). 774 */ 775 PythonIO_Flush(); 776 return -1; 777 } 778 779 /* 780 * External interface 781 */ 782 static void 783 DoPy3Command(exarg_T *eap, const char *cmd, typval_T *rettv) 784 { 785 #if defined(MACOS) && !defined(MACOS_X_UNIX) 786 GrafPtr oldPort; 787 #endif 788 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) 789 char *saved_locale; 790 #endif 791 PyObject *cmdstr; 792 PyObject *cmdbytes; 793 794 #if defined(MACOS) && !defined(MACOS_X_UNIX) 795 GetPort(&oldPort); 796 /* Check if the Python library is available */ 797 if ((Ptr)PyMac_Initialize == (Ptr)kUnresolvedCFragSymbolAddress) 798 goto theend; 799 #endif 800 if (Python3_Init()) 801 goto theend; 802 803 if (rettv == NULL) 804 { 805 RangeStart = eap->line1; 806 RangeEnd = eap->line2; 807 } 808 else 809 { 810 RangeStart = (PyInt) curwin->w_cursor.lnum; 811 RangeEnd = RangeStart; 812 } 813 Python_Release_Vim(); /* leave vim */ 814 815 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) 816 /* Python only works properly when the LC_NUMERIC locale is "C". */ 817 saved_locale = setlocale(LC_NUMERIC, NULL); 818 if (saved_locale == NULL || STRCMP(saved_locale, "C") == 0) 819 saved_locale = NULL; 820 else 821 { 822 /* Need to make a copy, value may change when setting new locale. */ 823 saved_locale = (char *)vim_strsave((char_u *)saved_locale); 824 (void)setlocale(LC_NUMERIC, "C"); 825 } 826 #endif 827 828 pygilstate = PyGILState_Ensure(); 829 830 /* PyRun_SimpleString expects a UTF-8 string. Wrong encoding may cause 831 * SyntaxError (unicode error). */ 832 cmdstr = PyUnicode_Decode(cmd, strlen(cmd), 833 (char *)ENC_OPT, CODEC_ERROR_HANDLER); 834 cmdbytes = PyUnicode_AsEncodedString(cmdstr, "utf-8", CODEC_ERROR_HANDLER); 835 Py_XDECREF(cmdstr); 836 if (rettv == NULL) 837 PyRun_SimpleString(PyBytes_AsString(cmdbytes)); 838 else 839 { 840 PyObject *r; 841 842 r = PyRun_String(PyBytes_AsString(cmdbytes), Py_eval_input, 843 globals, globals); 844 if (r == NULL) 845 EMSG(_("E860: Eval did not return a valid python 3 object")); 846 else 847 { 848 if (ConvertFromPyObject(r, rettv) == -1) 849 EMSG(_("E861: Failed to convert returned python 3 object to vim value")); 850 Py_DECREF(r); 851 } 852 PyErr_Clear(); 853 } 854 Py_XDECREF(cmdbytes); 855 856 PyGILState_Release(pygilstate); 857 858 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) 859 if (saved_locale != NULL) 860 { 861 (void)setlocale(LC_NUMERIC, saved_locale); 862 vim_free(saved_locale); 863 } 864 #endif 865 866 Python_Lock_Vim(); /* enter vim */ 867 PythonIO_Flush(); 868 #if defined(MACOS) && !defined(MACOS_X_UNIX) 869 SetPort(oldPort); 870 #endif 871 872 theend: 873 return; /* keeps lint happy */ 874 } 875 876 /* 877 * ":py3" 878 */ 879 void 880 ex_py3(exarg_T *eap) 881 { 882 char_u *script; 883 884 script = script_get(eap, eap->arg); 885 if (!eap->skip) 886 { 887 if (script == NULL) 888 DoPy3Command(eap, (char *)eap->arg, NULL); 889 else 890 DoPy3Command(eap, (char *)script, NULL); 891 } 892 vim_free(script); 893 } 894 895 #define BUFFER_SIZE 2048 896 897 /* 898 * ":py3file" 899 */ 900 void 901 ex_py3file(exarg_T *eap) 902 { 903 static char buffer[BUFFER_SIZE]; 904 const char *file; 905 char *p; 906 int i; 907 908 /* Have to do it like this. PyRun_SimpleFile requires you to pass a 909 * stdio file pointer, but Vim and the Python DLL are compiled with 910 * different options under Windows, meaning that stdio pointers aren't 911 * compatible between the two. Yuk. 912 * 913 * construct: exec(compile(open('a_filename', 'rb').read(), 'a_filename', 'exec')) 914 * 915 * Using bytes so that Python can detect the source encoding as it normally 916 * does. The doc does not say "compile" accept bytes, though. 917 * 918 * We need to escape any backslashes or single quotes in the file name, so that 919 * Python won't mangle the file name. 920 */ 921 922 strcpy(buffer, "exec(compile(open('"); 923 p = buffer + 19; /* size of "exec(compile(open('" */ 924 925 for (i=0; i<2; ++i) 926 { 927 file = (char *)eap->arg; 928 while (*file && p < buffer + (BUFFER_SIZE - 3)) 929 { 930 if (*file == '\\' || *file == '\'') 931 *p++ = '\\'; 932 *p++ = *file++; 933 } 934 /* If we didn't finish the file name, we hit a buffer overflow */ 935 if (*file != '\0') 936 return; 937 if (i==0) 938 { 939 strcpy(p,"','rb').read(),'"); 940 p += 16; 941 } 942 else 943 { 944 strcpy(p,"','exec'))"); 945 p += 10; 946 } 947 } 948 949 950 /* Execute the file */ 951 DoPy3Command(eap, buffer, NULL); 952 } 953 954 /****************************************************** 955 * 2. Python output stream: writes output via [e]msg(). 956 */ 957 958 /* Implementation functions 959 */ 960 961 static PyObject * 962 OutputGetattro(PyObject *self, PyObject *nameobj) 963 { 964 GET_ATTR_STRING(name, nameobj); 965 966 if (strcmp(name, "softspace") == 0) 967 return PyLong_FromLong(((OutputObject *)(self))->softspace); 968 969 return PyObject_GenericGetAttr(self, nameobj); 970 } 971 972 static int 973 OutputSetattro(PyObject *self, PyObject *nameobj, PyObject *val) 974 { 975 GET_ATTR_STRING(name, nameobj); 976 977 return OutputSetattr(self, name, val); 978 } 979 980 /***************/ 981 982 static int 983 PythonIO_Init(void) 984 { 985 PyType_Ready(&OutputType); 986 return PythonIO_Init_io(); 987 } 988 989 /****************************************************** 990 * 3. Implementation of the Vim module for Python 991 */ 992 993 /* Window type - Implementation functions 994 * -------------------------------------- 995 */ 996 997 #define WindowType_Check(obj) ((obj)->ob_base.ob_type == &WindowType) 998 999 /* Buffer type - Implementation functions 1000 * -------------------------------------- 1001 */ 1002 1003 #define BufferType_Check(obj) ((obj)->ob_base.ob_type == &BufferType) 1004 1005 static Py_ssize_t BufferLength(PyObject *); 1006 static PyObject *BufferItem(PyObject *, Py_ssize_t); 1007 static PyObject* BufferSubscript(PyObject *self, PyObject *idx); 1008 static Py_ssize_t BufferAsSubscript(PyObject *self, PyObject *idx, PyObject *val); 1009 1010 1011 /* Line range type - Implementation functions 1012 * -------------------------------------- 1013 */ 1014 1015 #define RangeType_Check(obj) ((obj)->ob_base.ob_type == &RangeType) 1016 1017 static PyObject* RangeSubscript(PyObject *self, PyObject *idx); 1018 static Py_ssize_t RangeAsItem(PyObject *, Py_ssize_t, PyObject *); 1019 static Py_ssize_t RangeAsSubscript(PyObject *self, PyObject *idx, PyObject *val); 1020 1021 /* Current objects type - Implementation functions 1022 * ----------------------------------------------- 1023 */ 1024 1025 static PySequenceMethods BufferAsSeq = { 1026 (lenfunc) BufferLength, /* sq_length, len(x) */ 1027 (binaryfunc) 0, /* sq_concat, x+y */ 1028 (ssizeargfunc) 0, /* sq_repeat, x*n */ 1029 (ssizeargfunc) BufferItem, /* sq_item, x[i] */ 1030 0, /* was_sq_slice, x[i:j] */ 1031 0, /* sq_ass_item, x[i]=v */ 1032 0, /* sq_ass_slice, x[i:j]=v */ 1033 0, /* sq_contains */ 1034 0, /* sq_inplace_concat */ 1035 0, /* sq_inplace_repeat */ 1036 }; 1037 1038 PyMappingMethods BufferAsMapping = { 1039 /* mp_length */ (lenfunc)BufferLength, 1040 /* mp_subscript */ (binaryfunc)BufferSubscript, 1041 /* mp_ass_subscript */ (objobjargproc)BufferAsSubscript, 1042 }; 1043 1044 1045 /* Buffer object - Definitions 1046 */ 1047 1048 static PyTypeObject BufferType; 1049 1050 static PyObject * 1051 BufferNew(buf_T *buf) 1052 { 1053 /* We need to handle deletion of buffers underneath us. 1054 * If we add a "b_python3_ref" field to the buf_T structure, 1055 * then we can get at it in buf_freeall() in vim. We then 1056 * need to create only ONE Python object per buffer - if 1057 * we try to create a second, just INCREF the existing one 1058 * and return it. The (single) Python object referring to 1059 * the buffer is stored in "b_python3_ref". 1060 * Question: what to do on a buf_freeall(). We'll probably 1061 * have to either delete the Python object (DECREF it to 1062 * zero - a bad idea, as it leaves dangling refs!) or 1063 * set the buf_T * value to an invalid value (-1?), which 1064 * means we need checks in all access functions... Bah. 1065 */ 1066 1067 BufferObject *self; 1068 1069 if (buf->b_python3_ref != NULL) 1070 { 1071 self = buf->b_python3_ref; 1072 Py_INCREF(self); 1073 } 1074 else 1075 { 1076 self = PyObject_NEW(BufferObject, &BufferType); 1077 buf->b_python3_ref = self; 1078 if (self == NULL) 1079 return NULL; 1080 self->buf = buf; 1081 } 1082 1083 return (PyObject *)(self); 1084 } 1085 1086 static void 1087 BufferDestructor(PyObject *self) 1088 { 1089 BufferObject *this = (BufferObject *)(self); 1090 1091 if (this->buf && this->buf != INVALID_BUFFER_VALUE) 1092 this->buf->b_python3_ref = NULL; 1093 1094 Py_TYPE(self)->tp_free((PyObject*)self); 1095 } 1096 1097 static PyObject * 1098 BufferGetattro(PyObject *self, PyObject*nameobj) 1099 { 1100 BufferObject *this = (BufferObject *)(self); 1101 1102 GET_ATTR_STRING(name, nameobj); 1103 1104 if (CheckBuffer(this)) 1105 return NULL; 1106 1107 if (strcmp(name, "name") == 0) 1108 return Py_BuildValue("s", this->buf->b_ffname); 1109 else if (strcmp(name, "number") == 0) 1110 return Py_BuildValue("n", this->buf->b_fnum); 1111 else 1112 return PyObject_GenericGetAttr(self, nameobj); 1113 } 1114 1115 static PyObject * 1116 BufferDir(PyObject *self UNUSED, PyObject *args UNUSED) 1117 { 1118 return Py_BuildValue("[sssss]", "name", "number", 1119 "append", "mark", "range"); 1120 } 1121 1122 static PyObject * 1123 BufferRepr(PyObject *self) 1124 { 1125 static char repr[100]; 1126 BufferObject *this = (BufferObject *)(self); 1127 1128 if (this->buf == INVALID_BUFFER_VALUE) 1129 { 1130 vim_snprintf(repr, 100, _("<buffer object (deleted) at %p>"), (self)); 1131 return PyUnicode_FromString(repr); 1132 } 1133 else 1134 { 1135 char *name = (char *)this->buf->b_fname; 1136 Py_ssize_t len; 1137 1138 if (name == NULL) 1139 name = ""; 1140 len = strlen(name); 1141 1142 if (len > 35) 1143 name = name + (35 - len); 1144 1145 vim_snprintf(repr, 100, "<buffer %s%s>", len > 35 ? "..." : "", name); 1146 1147 return PyUnicode_FromString(repr); 1148 } 1149 } 1150 1151 /******************/ 1152 1153 static Py_ssize_t 1154 BufferLength(PyObject *self) 1155 { 1156 if (CheckBuffer((BufferObject *)(self))) 1157 return -1; 1158 1159 return (Py_ssize_t)(((BufferObject *)(self))->buf->b_ml.ml_line_count); 1160 } 1161 1162 static PyObject * 1163 BufferItem(PyObject *self, Py_ssize_t n) 1164 { 1165 return RBItem((BufferObject *)(self), n, 1, 1166 (Py_ssize_t)((BufferObject *)(self))->buf->b_ml.ml_line_count); 1167 } 1168 1169 static PyObject * 1170 BufferSlice(PyObject *self, Py_ssize_t lo, Py_ssize_t hi) 1171 { 1172 return RBSlice((BufferObject *)(self), lo, hi, 1, 1173 (Py_ssize_t)((BufferObject *)(self))->buf->b_ml.ml_line_count); 1174 } 1175 1176 static PyObject * 1177 BufferSubscript(PyObject *self, PyObject* idx) 1178 { 1179 if (PyLong_Check(idx)) 1180 { 1181 long _idx = PyLong_AsLong(idx); 1182 return BufferItem(self,_idx); 1183 } else if (PySlice_Check(idx)) 1184 { 1185 Py_ssize_t start, stop, step, slicelen; 1186 1187 if (PySlice_GetIndicesEx((PyObject *)idx, 1188 (Py_ssize_t)((BufferObject *)(self))->buf->b_ml.ml_line_count+1, 1189 &start, &stop, 1190 &step, &slicelen) < 0) 1191 { 1192 return NULL; 1193 } 1194 return BufferSlice(self, start, stop); 1195 } 1196 else 1197 { 1198 PyErr_SetString(PyExc_IndexError, "Index must be int or slice"); 1199 return NULL; 1200 } 1201 } 1202 1203 static Py_ssize_t 1204 BufferAsSubscript(PyObject *self, PyObject* idx, PyObject* val) 1205 { 1206 if (PyLong_Check(idx)) 1207 { 1208 long n = PyLong_AsLong(idx); 1209 return RBAsItem((BufferObject *)(self), n, val, 1, 1210 (Py_ssize_t)((BufferObject *)(self))->buf->b_ml.ml_line_count, 1211 NULL); 1212 } else if (PySlice_Check(idx)) 1213 { 1214 Py_ssize_t start, stop, step, slicelen; 1215 1216 if (PySlice_GetIndicesEx((PyObject *)idx, 1217 (Py_ssize_t)((BufferObject *)(self))->buf->b_ml.ml_line_count+1, 1218 &start, &stop, 1219 &step, &slicelen) < 0) 1220 { 1221 return -1; 1222 } 1223 return RBAsSlice((BufferObject *)(self), start, stop, val, 1, 1224 (PyInt)((BufferObject *)(self))->buf->b_ml.ml_line_count, 1225 NULL); 1226 } 1227 else 1228 { 1229 PyErr_SetString(PyExc_IndexError, "Index must be int or slice"); 1230 return -1; 1231 } 1232 } 1233 1234 static PySequenceMethods RangeAsSeq = { 1235 (lenfunc) RangeLength, /* sq_length, len(x) */ 1236 (binaryfunc) 0, /* RangeConcat, sq_concat, x+y */ 1237 (ssizeargfunc) 0, /* RangeRepeat, sq_repeat, x*n */ 1238 (ssizeargfunc) RangeItem, /* sq_item, x[i] */ 1239 0, /* was_sq_slice, x[i:j] */ 1240 (ssizeobjargproc) RangeAsItem, /* sq_as_item, x[i]=v */ 1241 0, /* sq_ass_slice, x[i:j]=v */ 1242 0, /* sq_contains */ 1243 0, /* sq_inplace_concat */ 1244 0, /* sq_inplace_repeat */ 1245 }; 1246 1247 PyMappingMethods RangeAsMapping = { 1248 /* mp_length */ (lenfunc)RangeLength, 1249 /* mp_subscript */ (binaryfunc)RangeSubscript, 1250 /* mp_ass_subscript */ (objobjargproc)RangeAsSubscript, 1251 }; 1252 1253 /* Line range object - Implementation 1254 */ 1255 1256 static void 1257 RangeDestructor(PyObject *self) 1258 { 1259 Py_DECREF(((RangeObject *)(self))->buf); 1260 Py_TYPE(self)->tp_free((PyObject*)self); 1261 } 1262 1263 static PyObject * 1264 RangeGetattro(PyObject *self, PyObject *nameobj) 1265 { 1266 GET_ATTR_STRING(name, nameobj); 1267 1268 if (strcmp(name, "start") == 0) 1269 return Py_BuildValue("n", ((RangeObject *)(self))->start - 1); 1270 else if (strcmp(name, "end") == 0) 1271 return Py_BuildValue("n", ((RangeObject *)(self))->end - 1); 1272 else 1273 return PyObject_GenericGetAttr(self, nameobj); 1274 } 1275 1276 /****************/ 1277 1278 static Py_ssize_t 1279 RangeAsItem(PyObject *self, Py_ssize_t n, PyObject *val) 1280 { 1281 return RBAsItem(((RangeObject *)(self))->buf, n, val, 1282 ((RangeObject *)(self))->start, 1283 ((RangeObject *)(self))->end, 1284 &((RangeObject *)(self))->end); 1285 } 1286 1287 static Py_ssize_t 1288 RangeAsSlice(PyObject *self, Py_ssize_t lo, Py_ssize_t hi, PyObject *val) 1289 { 1290 return RBAsSlice(((RangeObject *)(self))->buf, lo, hi, val, 1291 ((RangeObject *)(self))->start, 1292 ((RangeObject *)(self))->end, 1293 &((RangeObject *)(self))->end); 1294 } 1295 1296 static PyObject * 1297 RangeSubscript(PyObject *self, PyObject* idx) 1298 { 1299 if (PyLong_Check(idx)) 1300 { 1301 long _idx = PyLong_AsLong(idx); 1302 return RangeItem(self,_idx); 1303 } else if (PySlice_Check(idx)) 1304 { 1305 Py_ssize_t start, stop, step, slicelen; 1306 1307 if (PySlice_GetIndicesEx((PyObject *)idx, 1308 ((RangeObject *)(self))->end-((RangeObject *)(self))->start+1, 1309 &start, &stop, 1310 &step, &slicelen) < 0) 1311 { 1312 return NULL; 1313 } 1314 return RangeSlice(self, start, stop); 1315 } 1316 else 1317 { 1318 PyErr_SetString(PyExc_IndexError, "Index must be int or slice"); 1319 return NULL; 1320 } 1321 } 1322 1323 static Py_ssize_t 1324 RangeAsSubscript(PyObject *self, PyObject *idx, PyObject *val) 1325 { 1326 if (PyLong_Check(idx)) 1327 { 1328 long n = PyLong_AsLong(idx); 1329 return RangeAsItem(self, n, val); 1330 } else if (PySlice_Check(idx)) 1331 { 1332 Py_ssize_t start, stop, step, slicelen; 1333 1334 if (PySlice_GetIndicesEx((PyObject *)idx, 1335 ((RangeObject *)(self))->end-((RangeObject *)(self))->start+1, 1336 &start, &stop, 1337 &step, &slicelen) < 0) 1338 { 1339 return -1; 1340 } 1341 return RangeAsSlice(self, start, stop, val); 1342 } 1343 else 1344 { 1345 PyErr_SetString(PyExc_IndexError, "Index must be int or slice"); 1346 return -1; 1347 } 1348 } 1349 1350 1351 /* Buffer list object - Definitions 1352 */ 1353 1354 typedef struct 1355 { 1356 PyObject_HEAD 1357 } BufListObject; 1358 1359 static PySequenceMethods BufListAsSeq = { 1360 (lenfunc) BufListLength, /* sq_length, len(x) */ 1361 (binaryfunc) 0, /* sq_concat, x+y */ 1362 (ssizeargfunc) 0, /* sq_repeat, x*n */ 1363 (ssizeargfunc) BufListItem, /* sq_item, x[i] */ 1364 0, /* was_sq_slice, x[i:j] */ 1365 (ssizeobjargproc) 0, /* sq_as_item, x[i]=v */ 1366 0, /* sq_ass_slice, x[i:j]=v */ 1367 0, /* sq_contains */ 1368 0, /* sq_inplace_concat */ 1369 0, /* sq_inplace_repeat */ 1370 }; 1371 1372 static PyTypeObject BufListType; 1373 1374 /* Window object - Definitions 1375 */ 1376 1377 static struct PyMethodDef WindowMethods[] = { 1378 /* name, function, calling, documentation */ 1379 { NULL, NULL, 0, NULL } 1380 }; 1381 1382 static PyTypeObject WindowType; 1383 1384 /* Window object - Implementation 1385 */ 1386 1387 static PyObject * 1388 WindowNew(win_T *win) 1389 { 1390 /* We need to handle deletion of windows underneath us. 1391 * If we add a "w_python3_ref" field to the win_T structure, 1392 * then we can get at it in win_free() in vim. We then 1393 * need to create only ONE Python object per window - if 1394 * we try to create a second, just INCREF the existing one 1395 * and return it. The (single) Python object referring to 1396 * the window is stored in "w_python3_ref". 1397 * On a win_free() we set the Python object's win_T* field 1398 * to an invalid value. We trap all uses of a window 1399 * object, and reject them if the win_T* field is invalid. 1400 */ 1401 1402 WindowObject *self; 1403 1404 if (win->w_python3_ref) 1405 { 1406 self = win->w_python3_ref; 1407 Py_INCREF(self); 1408 } 1409 else 1410 { 1411 self = PyObject_NEW(WindowObject, &WindowType); 1412 if (self == NULL) 1413 return NULL; 1414 self->win = win; 1415 win->w_python3_ref = self; 1416 } 1417 1418 return (PyObject *)(self); 1419 } 1420 1421 static void 1422 WindowDestructor(PyObject *self) 1423 { 1424 WindowObject *this = (WindowObject *)(self); 1425 1426 if (this->win && this->win != INVALID_WINDOW_VALUE) 1427 this->win->w_python3_ref = NULL; 1428 1429 Py_TYPE(self)->tp_free((PyObject*)self); 1430 } 1431 1432 static PyObject * 1433 WindowGetattro(PyObject *self, PyObject *nameobj) 1434 { 1435 WindowObject *this = (WindowObject *)(self); 1436 1437 GET_ATTR_STRING(name, nameobj); 1438 1439 if (CheckWindow(this)) 1440 return NULL; 1441 1442 if (strcmp(name, "buffer") == 0) 1443 return (PyObject *)BufferNew(this->win->w_buffer); 1444 else if (strcmp(name, "cursor") == 0) 1445 { 1446 pos_T *pos = &this->win->w_cursor; 1447 1448 return Py_BuildValue("(ll)", (long)(pos->lnum), (long)(pos->col)); 1449 } 1450 else if (strcmp(name, "height") == 0) 1451 return Py_BuildValue("l", (long)(this->win->w_height)); 1452 #ifdef FEAT_VERTSPLIT 1453 else if (strcmp(name, "width") == 0) 1454 return Py_BuildValue("l", (long)(W_WIDTH(this->win))); 1455 #endif 1456 else if (strcmp(name,"__members__") == 0) 1457 return Py_BuildValue("[sss]", "buffer", "cursor", "height"); 1458 else 1459 return PyObject_GenericGetAttr(self, nameobj); 1460 } 1461 1462 static int 1463 WindowSetattro(PyObject *self, PyObject *nameobj, PyObject *val) 1464 { 1465 GET_ATTR_STRING(name, nameobj); 1466 1467 return WindowSetattr(self, name, val); 1468 } 1469 1470 /* Window list object - Definitions 1471 */ 1472 1473 typedef struct 1474 { 1475 PyObject_HEAD 1476 } 1477 WinListObject; 1478 1479 static PySequenceMethods WinListAsSeq = { 1480 (lenfunc) WinListLength, /* sq_length, len(x) */ 1481 (binaryfunc) 0, /* sq_concat, x+y */ 1482 (ssizeargfunc) 0, /* sq_repeat, x*n */ 1483 (ssizeargfunc) WinListItem, /* sq_item, x[i] */ 1484 0, /* sq_slice, x[i:j] */ 1485 (ssizeobjargproc)0, /* sq_as_item, x[i]=v */ 1486 0, /* sq_ass_slice, x[i:j]=v */ 1487 0, /* sq_contains */ 1488 0, /* sq_inplace_concat */ 1489 0, /* sq_inplace_repeat */ 1490 }; 1491 1492 static PyTypeObject WinListType; 1493 1494 /* Current items object - Definitions 1495 */ 1496 1497 typedef struct 1498 { 1499 PyObject_HEAD 1500 } CurrentObject; 1501 1502 static PyTypeObject CurrentType; 1503 1504 /* Current items object - Implementation 1505 */ 1506 static PyObject * 1507 CurrentGetattro(PyObject *self UNUSED, PyObject *nameobj) 1508 { 1509 GET_ATTR_STRING(name, nameobj); 1510 1511 if (strcmp(name, "buffer") == 0) 1512 return (PyObject *)BufferNew(curbuf); 1513 else if (strcmp(name, "window") == 0) 1514 return (PyObject *)WindowNew(curwin); 1515 else if (strcmp(name, "line") == 0) 1516 return GetBufferLine(curbuf, (Py_ssize_t)curwin->w_cursor.lnum); 1517 else if (strcmp(name, "range") == 0) 1518 return RangeNew(curbuf, RangeStart, RangeEnd); 1519 else if (strcmp(name,"__members__") == 0) 1520 return Py_BuildValue("[ssss]", "buffer", "window", "line", "range"); 1521 else 1522 { 1523 PyErr_SetString(PyExc_AttributeError, name); 1524 return NULL; 1525 } 1526 } 1527 1528 static int 1529 CurrentSetattro(PyObject *self UNUSED, PyObject *nameobj, PyObject *value) 1530 { 1531 char *name = ""; 1532 if (PyUnicode_Check(nameobj)) 1533 name = _PyUnicode_AsString(nameobj); 1534 1535 if (strcmp(name, "line") == 0) 1536 { 1537 if (SetBufferLine(curbuf, (Py_ssize_t)curwin->w_cursor.lnum, value, NULL) == FAIL) 1538 return -1; 1539 1540 return 0; 1541 } 1542 else 1543 { 1544 PyErr_SetString(PyExc_AttributeError, name); 1545 return -1; 1546 } 1547 } 1548 1549 /* Dictionary object - Definitions 1550 */ 1551 1552 static PyInt DictionaryLength(PyObject *); 1553 1554 static PyMappingMethods DictionaryAsMapping = { 1555 /* mp_length */ (lenfunc) DictionaryLength, 1556 /* mp_subscript */ (binaryfunc) DictionaryItem, 1557 /* mp_ass_subscript */ (objobjargproc) DictionaryAssItem, 1558 }; 1559 1560 static PyObject * 1561 DictionaryGetattro(PyObject *self, PyObject *nameobj) 1562 { 1563 DictionaryObject *this = ((DictionaryObject *) (self)); 1564 1565 GET_ATTR_STRING(name, nameobj); 1566 1567 if (strcmp(name, "locked") == 0) 1568 return PyLong_FromLong(this->dict->dv_lock); 1569 else if (strcmp(name, "scope") == 0) 1570 return PyLong_FromLong(this->dict->dv_scope); 1571 1572 return PyObject_GenericGetAttr(self, nameobj); 1573 } 1574 1575 static int 1576 DictionarySetattro(PyObject *self, PyObject *nameobj, PyObject *val) 1577 { 1578 GET_ATTR_STRING(name, nameobj); 1579 return DictionarySetattr((DictionaryObject *) self, name, val); 1580 } 1581 1582 static PyTypeObject DictionaryType; 1583 1584 static void 1585 DictionaryDestructor(PyObject *self) 1586 { 1587 DictionaryObject *this = (DictionaryObject *)(self); 1588 1589 pyll_remove(&this->ref, &lastdict); 1590 dict_unref(this->dict); 1591 1592 Py_TYPE(self)->tp_free((PyObject*)self); 1593 } 1594 1595 /* List object - Definitions 1596 */ 1597 1598 static PyInt ListLength(PyObject *); 1599 static PyObject *ListItem(PyObject *, Py_ssize_t); 1600 1601 static PySequenceMethods ListAsSeq = { 1602 (lenfunc) ListLength, /* sq_length, len(x) */ 1603 (binaryfunc) 0, /* RangeConcat, sq_concat, x+y */ 1604 (ssizeargfunc) 0, /* RangeRepeat, sq_repeat, x*n */ 1605 (ssizeargfunc) ListItem, /* sq_item, x[i] */ 1606 (void *) 0, /* was_sq_slice, x[i:j] */ 1607 (ssizeobjargproc) ListAssItem, /* sq_as_item, x[i]=v */ 1608 (void *) 0, /* was_sq_ass_slice, x[i:j]=v */ 1609 0, /* sq_contains */ 1610 (binaryfunc) ListConcatInPlace,/* sq_inplace_concat */ 1611 0, /* sq_inplace_repeat */ 1612 }; 1613 1614 static PyObject *ListSubscript(PyObject *, PyObject *); 1615 static Py_ssize_t ListAsSubscript(PyObject *, PyObject *, PyObject *); 1616 1617 static PyMappingMethods ListAsMapping = { 1618 /* mp_length */ (lenfunc) ListLength, 1619 /* mp_subscript */ (binaryfunc) ListSubscript, 1620 /* mp_ass_subscript */ (objobjargproc) ListAsSubscript, 1621 }; 1622 1623 static PyTypeObject ListType; 1624 1625 static PyObject * 1626 ListSubscript(PyObject *self, PyObject* idxObject) 1627 { 1628 if (PyLong_Check(idxObject)) 1629 { 1630 long idx = PyLong_AsLong(idxObject); 1631 return ListItem(self, idx); 1632 } 1633 else if (PySlice_Check(idxObject)) 1634 { 1635 Py_ssize_t start, stop, step, slicelen; 1636 1637 if (PySlice_GetIndicesEx(idxObject, ListLength(self), &start, &stop, 1638 &step, &slicelen) < 0) 1639 return NULL; 1640 return ListSlice(self, start, stop); 1641 } 1642 else 1643 { 1644 PyErr_SetString(PyExc_IndexError, "Index must be int or slice"); 1645 return NULL; 1646 } 1647 } 1648 1649 static Py_ssize_t 1650 ListAsSubscript(PyObject *self, PyObject *idxObject, PyObject *obj) 1651 { 1652 if (PyLong_Check(idxObject)) 1653 { 1654 long idx = PyLong_AsLong(idxObject); 1655 return ListAssItem(self, idx, obj); 1656 } 1657 else if (PySlice_Check(idxObject)) 1658 { 1659 Py_ssize_t start, stop, step, slicelen; 1660 1661 if (PySlice_GetIndicesEx(idxObject, ListLength(self), &start, &stop, 1662 &step, &slicelen) < 0) 1663 return -1; 1664 return ListAssSlice(self, start, stop, obj); 1665 } 1666 else 1667 { 1668 PyErr_SetString(PyExc_IndexError, "Index must be int or slice"); 1669 return -1; 1670 } 1671 } 1672 1673 static PyObject * 1674 ListGetattro(PyObject *self, PyObject *nameobj) 1675 { 1676 GET_ATTR_STRING(name, nameobj); 1677 1678 if (strcmp(name, "locked") == 0) 1679 return PyLong_FromLong(((ListObject *) (self))->list->lv_lock); 1680 1681 return PyObject_GenericGetAttr(self, nameobj); 1682 } 1683 1684 static int 1685 ListSetattro(PyObject *self, PyObject *nameobj, PyObject *val) 1686 { 1687 GET_ATTR_STRING(name, nameobj); 1688 return ListSetattr((ListObject *) self, name, val); 1689 } 1690 1691 static void 1692 ListDestructor(PyObject *self) 1693 { 1694 ListObject *this = (ListObject *)(self); 1695 1696 pyll_remove(&this->ref, &lastlist); 1697 list_unref(this->list); 1698 1699 Py_TYPE(self)->tp_free((PyObject*)self); 1700 } 1701 1702 /* Function object - Definitions 1703 */ 1704 1705 static void 1706 FunctionDestructor(PyObject *self) 1707 { 1708 FunctionObject *this = (FunctionObject *) (self); 1709 1710 func_unref(this->name); 1711 PyMem_Del(this->name); 1712 1713 Py_TYPE(self)->tp_free((PyObject*)self); 1714 } 1715 1716 static PyObject * 1717 FunctionGetattro(PyObject *self, PyObject *nameobj) 1718 { 1719 FunctionObject *this = (FunctionObject *)(self); 1720 1721 GET_ATTR_STRING(name, nameobj); 1722 1723 if (strcmp(name, "name") == 0) 1724 return PyUnicode_FromString((char *)(this->name)); 1725 1726 return PyObject_GenericGetAttr(self, nameobj); 1727 } 1728 1729 /* External interface 1730 */ 1731 1732 void 1733 python3_buffer_free(buf_T *buf) 1734 { 1735 if (buf->b_python3_ref != NULL) 1736 { 1737 BufferObject *bp = buf->b_python3_ref; 1738 bp->buf = INVALID_BUFFER_VALUE; 1739 buf->b_python3_ref = NULL; 1740 } 1741 } 1742 1743 #if defined(FEAT_WINDOWS) || defined(PROTO) 1744 void 1745 python3_window_free(win_T *win) 1746 { 1747 if (win->w_python3_ref != NULL) 1748 { 1749 WindowObject *wp = win->w_python3_ref; 1750 wp->win = INVALID_WINDOW_VALUE; 1751 win->w_python3_ref = NULL; 1752 } 1753 } 1754 #endif 1755 1756 static BufListObject TheBufferList = 1757 { 1758 PyObject_HEAD_INIT(&BufListType) 1759 }; 1760 1761 static WinListObject TheWindowList = 1762 { 1763 PyObject_HEAD_INIT(&WinListType) 1764 }; 1765 1766 static CurrentObject TheCurrent = 1767 { 1768 PyObject_HEAD_INIT(&CurrentType) 1769 }; 1770 1771 PyDoc_STRVAR(vim_module_doc,"vim python interface\n"); 1772 1773 static struct PyModuleDef vimmodule; 1774 1775 static PyObject * 1776 Py3Init_vim(void) 1777 { 1778 PyObject *mod; 1779 PyObject *tmp; 1780 /* The special value is removed from sys.path in Python3_Init(). */ 1781 static wchar_t *(argv[2]) = {L"/must>not&exist/foo", NULL}; 1782 1783 PyType_Ready(&BufferType); 1784 PyType_Ready(&RangeType); 1785 PyType_Ready(&WindowType); 1786 PyType_Ready(&BufListType); 1787 PyType_Ready(&WinListType); 1788 PyType_Ready(&CurrentType); 1789 PyType_Ready(&DictionaryType); 1790 PyType_Ready(&ListType); 1791 PyType_Ready(&FunctionType); 1792 1793 /* Set sys.argv[] to avoid a crash in warn(). */ 1794 PySys_SetArgv(1, argv); 1795 1796 mod = PyModule_Create(&vimmodule); 1797 if (mod == NULL) 1798 return NULL; 1799 1800 VimError = PyErr_NewException("vim.error", NULL, NULL); 1801 Py_INCREF(VimError); 1802 1803 PyModule_AddObject(mod, "error", VimError); 1804 Py_INCREF((PyObject *)(void *)&TheBufferList); 1805 PyModule_AddObject(mod, "buffers", (PyObject *)(void *)&TheBufferList); 1806 Py_INCREF((PyObject *)(void *)&TheCurrent); 1807 PyModule_AddObject(mod, "current", (PyObject *)(void *)&TheCurrent); 1808 Py_INCREF((PyObject *)(void *)&TheWindowList); 1809 PyModule_AddObject(mod, "windows", (PyObject *)(void *)&TheWindowList); 1810 1811 #define ADD_INT_CONSTANT(name, value) \ 1812 tmp = PyLong_FromLong(value); \ 1813 Py_INCREF(tmp); \ 1814 PyModule_AddObject(mod, name, tmp) 1815 1816 ADD_INT_CONSTANT("VAR_LOCKED", VAR_LOCKED); 1817 ADD_INT_CONSTANT("VAR_FIXED", VAR_FIXED); 1818 ADD_INT_CONSTANT("VAR_SCOPE", VAR_SCOPE); 1819 ADD_INT_CONSTANT("VAR_DEF_SCOPE", VAR_DEF_SCOPE); 1820 1821 if (PyErr_Occurred()) 1822 return NULL; 1823 1824 return mod; 1825 } 1826 1827 /************************************************************************* 1828 * 4. Utility functions for handling the interface between Vim and Python. 1829 */ 1830 1831 /* Convert a Vim line into a Python string. 1832 * All internal newlines are replaced by null characters. 1833 * 1834 * On errors, the Python exception data is set, and NULL is returned. 1835 */ 1836 static PyObject * 1837 LineToString(const char *str) 1838 { 1839 PyObject *result; 1840 Py_ssize_t len = strlen(str); 1841 char *tmp,*p; 1842 1843 tmp = (char *)alloc((unsigned)(len+1)); 1844 p = tmp; 1845 if (p == NULL) 1846 { 1847 PyErr_NoMemory(); 1848 return NULL; 1849 } 1850 1851 while (*str) 1852 { 1853 if (*str == '\n') 1854 *p = '\0'; 1855 else 1856 *p = *str; 1857 1858 ++p; 1859 ++str; 1860 } 1861 *p = '\0'; 1862 1863 result = PyUnicode_Decode(tmp, len, (char *)ENC_OPT, CODEC_ERROR_HANDLER); 1864 1865 vim_free(tmp); 1866 return result; 1867 } 1868 1869 void 1870 do_py3eval (char_u *str, typval_T *rettv) 1871 { 1872 DoPy3Command(NULL, (char *) str, rettv); 1873 switch(rettv->v_type) 1874 { 1875 case VAR_DICT: ++rettv->vval.v_dict->dv_refcount; break; 1876 case VAR_LIST: ++rettv->vval.v_list->lv_refcount; break; 1877 case VAR_FUNC: func_ref(rettv->vval.v_string); break; 1878 case VAR_UNKNOWN: 1879 rettv->v_type = VAR_NUMBER; 1880 rettv->vval.v_number = 0; 1881 break; 1882 } 1883 } 1884 1885 void 1886 set_ref_in_python3 (int copyID) 1887 { 1888 set_ref_in_py(copyID); 1889 } 1890 1891 static void 1892 init_structs(void) 1893 { 1894 vim_memset(&OutputType, 0, sizeof(OutputType)); 1895 OutputType.tp_name = "vim.message"; 1896 OutputType.tp_basicsize = sizeof(OutputObject); 1897 OutputType.tp_getattro = OutputGetattro; 1898 OutputType.tp_setattro = OutputSetattro; 1899 OutputType.tp_flags = Py_TPFLAGS_DEFAULT; 1900 OutputType.tp_doc = "vim message object"; 1901 OutputType.tp_methods = OutputMethods; 1902 OutputType.tp_alloc = call_PyType_GenericAlloc; 1903 OutputType.tp_new = call_PyType_GenericNew; 1904 OutputType.tp_free = call_PyObject_Free; 1905 1906 vim_memset(&BufferType, 0, sizeof(BufferType)); 1907 BufferType.tp_name = "vim.buffer"; 1908 BufferType.tp_basicsize = sizeof(BufferType); 1909 BufferType.tp_dealloc = BufferDestructor; 1910 BufferType.tp_repr = BufferRepr; 1911 BufferType.tp_as_sequence = &BufferAsSeq; 1912 BufferType.tp_as_mapping = &BufferAsMapping; 1913 BufferType.tp_getattro = BufferGetattro; 1914 BufferType.tp_flags = Py_TPFLAGS_DEFAULT; 1915 BufferType.tp_doc = "vim buffer object"; 1916 BufferType.tp_methods = BufferMethods; 1917 BufferType.tp_alloc = call_PyType_GenericAlloc; 1918 BufferType.tp_new = call_PyType_GenericNew; 1919 BufferType.tp_free = call_PyObject_Free; 1920 1921 vim_memset(&WindowType, 0, sizeof(WindowType)); 1922 WindowType.tp_name = "vim.window"; 1923 WindowType.tp_basicsize = sizeof(WindowObject); 1924 WindowType.tp_dealloc = WindowDestructor; 1925 WindowType.tp_repr = WindowRepr; 1926 WindowType.tp_getattro = WindowGetattro; 1927 WindowType.tp_setattro = WindowSetattro; 1928 WindowType.tp_flags = Py_TPFLAGS_DEFAULT; 1929 WindowType.tp_doc = "vim Window object"; 1930 WindowType.tp_methods = WindowMethods; 1931 WindowType.tp_alloc = call_PyType_GenericAlloc; 1932 WindowType.tp_new = call_PyType_GenericNew; 1933 WindowType.tp_free = call_PyObject_Free; 1934 1935 vim_memset(&BufListType, 0, sizeof(BufListType)); 1936 BufListType.tp_name = "vim.bufferlist"; 1937 BufListType.tp_basicsize = sizeof(BufListObject); 1938 BufListType.tp_as_sequence = &BufListAsSeq; 1939 BufListType.tp_flags = Py_TPFLAGS_DEFAULT; 1940 BufferType.tp_doc = "vim buffer list"; 1941 1942 vim_memset(&WinListType, 0, sizeof(WinListType)); 1943 WinListType.tp_name = "vim.windowlist"; 1944 WinListType.tp_basicsize = sizeof(WinListType); 1945 WinListType.tp_as_sequence = &WinListAsSeq; 1946 WinListType.tp_flags = Py_TPFLAGS_DEFAULT; 1947 WinListType.tp_doc = "vim window list"; 1948 1949 vim_memset(&RangeType, 0, sizeof(RangeType)); 1950 RangeType.tp_name = "vim.range"; 1951 RangeType.tp_basicsize = sizeof(RangeObject); 1952 RangeType.tp_dealloc = RangeDestructor; 1953 RangeType.tp_repr = RangeRepr; 1954 RangeType.tp_as_sequence = &RangeAsSeq; 1955 RangeType.tp_as_mapping = &RangeAsMapping; 1956 RangeType.tp_getattro = RangeGetattro; 1957 RangeType.tp_flags = Py_TPFLAGS_DEFAULT; 1958 RangeType.tp_doc = "vim Range object"; 1959 RangeType.tp_methods = RangeMethods; 1960 RangeType.tp_alloc = call_PyType_GenericAlloc; 1961 RangeType.tp_new = call_PyType_GenericNew; 1962 RangeType.tp_free = call_PyObject_Free; 1963 1964 vim_memset(&CurrentType, 0, sizeof(CurrentType)); 1965 CurrentType.tp_name = "vim.currentdata"; 1966 CurrentType.tp_basicsize = sizeof(CurrentObject); 1967 CurrentType.tp_getattro = CurrentGetattro; 1968 CurrentType.tp_setattro = CurrentSetattro; 1969 CurrentType.tp_flags = Py_TPFLAGS_DEFAULT; 1970 CurrentType.tp_doc = "vim current object"; 1971 1972 vim_memset(&DictionaryType, 0, sizeof(DictionaryType)); 1973 DictionaryType.tp_name = "vim.dictionary"; 1974 DictionaryType.tp_basicsize = sizeof(DictionaryObject); 1975 DictionaryType.tp_getattro = DictionaryGetattro; 1976 DictionaryType.tp_setattro = DictionarySetattro; 1977 DictionaryType.tp_dealloc = DictionaryDestructor; 1978 DictionaryType.tp_as_mapping = &DictionaryAsMapping; 1979 DictionaryType.tp_flags = Py_TPFLAGS_DEFAULT; 1980 DictionaryType.tp_doc = "dictionary pushing modifications to vim structure"; 1981 DictionaryType.tp_methods = DictionaryMethods; 1982 1983 vim_memset(&ListType, 0, sizeof(ListType)); 1984 ListType.tp_name = "vim.list"; 1985 ListType.tp_dealloc = ListDestructor; 1986 ListType.tp_basicsize = sizeof(ListObject); 1987 ListType.tp_getattro = ListGetattro; 1988 ListType.tp_setattro = ListSetattro; 1989 ListType.tp_as_sequence = &ListAsSeq; 1990 ListType.tp_as_mapping = &ListAsMapping; 1991 ListType.tp_flags = Py_TPFLAGS_DEFAULT; 1992 ListType.tp_doc = "list pushing modifications to vim structure"; 1993 ListType.tp_methods = ListMethods; 1994 1995 vim_memset(&FunctionType, 0, sizeof(FunctionType)); 1996 FunctionType.tp_name = "vim.list"; 1997 FunctionType.tp_basicsize = sizeof(FunctionObject); 1998 FunctionType.tp_getattro = FunctionGetattro; 1999 FunctionType.tp_dealloc = FunctionDestructor; 2000 FunctionType.tp_call = FunctionCall; 2001 FunctionType.tp_flags = Py_TPFLAGS_DEFAULT; 2002 FunctionType.tp_doc = "object that calls vim function"; 2003 FunctionType.tp_methods = FunctionMethods; 2004 2005 vim_memset(&vimmodule, 0, sizeof(vimmodule)); 2006 vimmodule.m_name = "vim"; 2007 vimmodule.m_doc = vim_module_doc; 2008 vimmodule.m_size = -1; 2009 vimmodule.m_methods = VimMethods; 2010 } 2011