Mercurial > vim
annotate src/if_python.c @ 2311:ccda151dde4e vim73
Support completion for ":find". (Nazri Ramliy)
Cleanup white space.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Wed, 14 Jul 2010 16:52:17 +0200 |
| parents | 1bac28a53fae |
| children | ad2889f48843 |
| rev | line source |
|---|---|
| 7 | 1 /* vi:set ts=8 sts=4 sw=4: |
| 2 * | |
| 3 * VIM - Vi IMproved by Bram Moolenaar | |
| 4 * | |
| 5 * Do ":help uganda" in Vim to read copying and usage conditions. | |
| 6 * Do ":help credits" in Vim to see a list of people who contributed. | |
| 7 * See README.txt for an overview of the Vim source code. | |
| 8 */ | |
| 9 /* | |
| 10 * Python extensions by Paul Moore. | |
| 11 * Changes for Unix by David Leonard. | |
| 12 * | |
| 13 * This consists of four parts: | |
| 14 * 1. Python interpreter main program | |
| 15 * 2. Python output stream: writes output via [e]msg(). | |
| 16 * 3. Implementation of the Vim module for Python | |
| 17 * 4. Utility functions for handling the interface between Vim and Python. | |
| 18 */ | |
| 19 | |
| 20 #include "vim.h" | |
| 21 | |
| 22 #include <limits.h> | |
| 23 | |
| 24 /* Python.h defines _POSIX_THREADS itself (if needed) */ | |
| 25 #ifdef _POSIX_THREADS | |
| 26 # undef _POSIX_THREADS | |
| 27 #endif | |
| 28 | |
|
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2100
diff
changeset
|
29 #if defined(_WIN32) && defined(HAVE_FCNTL_H) |
| 7 | 30 # undef HAVE_FCNTL_H |
| 31 #endif | |
| 32 | |
| 33 #ifdef _DEBUG | |
| 34 # undef _DEBUG | |
| 35 #endif | |
| 36 | |
| 37 #ifdef HAVE_STDARG_H | |
| 38 # undef HAVE_STDARG_H /* Python's config.h defines it as well. */ | |
| 39 #endif | |
| 1991 | 40 #ifdef _POSIX_C_SOURCE |
| 41 # undef _POSIX_C_SOURCE /* pyconfig.h defines it as well. */ | |
| 42 #endif | |
| 43 #ifdef _XOPEN_SOURCE | |
| 44 # undef _XOPEN_SOURCE /* pyconfig.h defines it as well. */ | |
| 45 #endif | |
| 7 | 46 |
| 1594 | 47 #define PY_SSIZE_T_CLEAN |
| 48 | |
| 7 | 49 #include <Python.h> |
| 50 #if defined(MACOS) && !defined(MACOS_X_UNIX) | |
| 51 # include "macglue.h" | |
| 52 # include <CodeFragments.h> | |
| 53 #endif | |
| 54 #undef main /* Defined in python.h - aargh */ | |
| 55 #undef HAVE_FCNTL_H /* Clash with os_win32.h */ | |
| 56 | |
| 57 #if !defined(FEAT_PYTHON) && defined(PROTO) | |
| 58 /* Use this to be able to generate prototypes without python being used. */ | |
| 1607 | 59 # define PyObject Py_ssize_t |
| 60 # define PyThreadState Py_ssize_t | |
| 61 # define PyTypeObject Py_ssize_t | |
| 62 struct PyMethodDef { Py_ssize_t a; }; | |
| 63 # define PySequenceMethods Py_ssize_t | |
| 7 | 64 #endif |
| 65 | |
| 1594 | 66 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02050000 |
| 67 # define PyInt Py_ssize_t | |
| 68 # define PyInquiry lenfunc | |
| 69 # define PyIntArgFunc ssizeargfunc | |
| 70 # define PyIntIntArgFunc ssizessizeargfunc | |
| 71 # define PyIntObjArgProc ssizeobjargproc | |
| 72 # define PyIntIntObjArgProc ssizessizeobjargproc | |
| 1607 | 73 # define Py_ssize_t_fmt "n" |
| 1594 | 74 #else |
| 75 # define PyInt int | |
| 76 # define PyInquiry inquiry | |
| 77 # define PyIntArgFunc intargfunc | |
| 78 # define PyIntIntArgFunc intintargfunc | |
| 79 # define PyIntObjArgProc intobjargproc | |
| 80 # define PyIntIntObjArgProc intintobjargproc | |
| 1607 | 81 # define Py_ssize_t_fmt "i" |
| 1594 | 82 #endif |
| 83 | |
| 7 | 84 /* Parser flags */ |
| 85 #define single_input 256 | |
| 86 #define file_input 257 | |
| 87 #define eval_input 258 | |
| 88 | |
| 89 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x020300F0 | |
| 90 /* Python 2.3: can invoke ":python" recursively. */ | |
| 91 # define PY_CAN_RECURSE | |
| 92 #endif | |
| 93 | |
| 94 #if defined(DYNAMIC_PYTHON) || defined(PROTO) | |
| 95 # ifndef DYNAMIC_PYTHON | |
| 1607 | 96 # define HINSTANCE long_u /* for generating prototypes */ |
| 7 | 97 # endif |
| 98 | |
| 1607 | 99 /* This makes if_python.c compile without warnings against Python 2.5 |
| 100 * on Win32 and Win64. */ | |
| 101 #undef PyRun_SimpleString | |
| 102 #undef PyArg_Parse | |
| 103 #undef PyArg_ParseTuple | |
| 104 #undef Py_BuildValue | |
| 105 #undef Py_InitModule4 | |
| 106 #undef Py_InitModule4_64 | |
| 107 | |
| 7 | 108 /* |
| 109 * Wrapper defines | |
| 110 */ | |
| 111 # define PyArg_Parse dll_PyArg_Parse | |
| 112 # define PyArg_ParseTuple dll_PyArg_ParseTuple | |
| 113 # define PyDict_SetItemString dll_PyDict_SetItemString | |
| 114 # define PyErr_BadArgument dll_PyErr_BadArgument | |
| 115 # define PyErr_Clear dll_PyErr_Clear | |
| 116 # define PyErr_NoMemory dll_PyErr_NoMemory | |
| 117 # define PyErr_Occurred dll_PyErr_Occurred | |
| 118 # define PyErr_SetNone dll_PyErr_SetNone | |
| 119 # define PyErr_SetString dll_PyErr_SetString | |
| 120 # define PyEval_InitThreads dll_PyEval_InitThreads | |
| 121 # define PyEval_RestoreThread dll_PyEval_RestoreThread | |
| 122 # define PyEval_SaveThread dll_PyEval_SaveThread | |
| 123 # ifdef PY_CAN_RECURSE | |
| 124 # define PyGILState_Ensure dll_PyGILState_Ensure | |
| 125 # define PyGILState_Release dll_PyGILState_Release | |
| 126 # endif | |
| 127 # define PyInt_AsLong dll_PyInt_AsLong | |
| 128 # define PyInt_FromLong dll_PyInt_FromLong | |
| 129 # define PyInt_Type (*dll_PyInt_Type) | |
| 130 # define PyList_GetItem dll_PyList_GetItem | |
| 637 | 131 # define PyList_Append dll_PyList_Append |
| 7 | 132 # define PyList_New dll_PyList_New |
| 133 # define PyList_SetItem dll_PyList_SetItem | |
| 134 # define PyList_Size dll_PyList_Size | |
| 135 # define PyList_Type (*dll_PyList_Type) | |
| 136 # define PyImport_ImportModule dll_PyImport_ImportModule | |
| 637 | 137 # define PyDict_New dll_PyDict_New |
| 7 | 138 # define PyDict_GetItemString dll_PyDict_GetItemString |
| 139 # define PyModule_GetDict dll_PyModule_GetDict | |
| 140 # define PyRun_SimpleString dll_PyRun_SimpleString | |
| 141 # define PyString_AsString dll_PyString_AsString | |
| 142 # define PyString_FromString dll_PyString_FromString | |
| 143 # define PyString_FromStringAndSize dll_PyString_FromStringAndSize | |
| 144 # define PyString_Size dll_PyString_Size | |
| 145 # define PyString_Type (*dll_PyString_Type) | |
| 146 # define PySys_SetObject dll_PySys_SetObject | |
| 147 # define PySys_SetArgv dll_PySys_SetArgv | |
| 148 # define PyType_Type (*dll_PyType_Type) | |
| 149 # define Py_BuildValue dll_Py_BuildValue | |
| 150 # define Py_FindMethod dll_Py_FindMethod | |
| 151 # define Py_InitModule4 dll_Py_InitModule4 | |
| 152 # define Py_Initialize dll_Py_Initialize | |
| 242 | 153 # define Py_Finalize dll_Py_Finalize |
| 154 # define Py_IsInitialized dll_Py_IsInitialized | |
| 7 | 155 # define _PyObject_New dll__PyObject_New |
| 156 # define _Py_NoneStruct (*dll__Py_NoneStruct) | |
| 157 # define PyObject_Init dll__PyObject_Init | |
| 158 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 | |
| 159 # define PyType_IsSubtype dll_PyType_IsSubtype | |
| 160 # endif | |
| 161 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 | |
| 162 # define PyObject_Malloc dll_PyObject_Malloc | |
| 163 # define PyObject_Free dll_PyObject_Free | |
| 164 # endif | |
| 165 | |
| 166 /* | |
| 167 * Pointers for dynamic link | |
| 168 */ | |
| 169 static int(*dll_PyArg_Parse)(PyObject *, char *, ...); | |
| 170 static int(*dll_PyArg_ParseTuple)(PyObject *, char *, ...); | |
| 171 static int(*dll_PyDict_SetItemString)(PyObject *dp, char *key, PyObject *item); | |
| 172 static int(*dll_PyErr_BadArgument)(void); | |
| 173 static void(*dll_PyErr_Clear)(void); | |
| 174 static PyObject*(*dll_PyErr_NoMemory)(void); | |
| 175 static PyObject*(*dll_PyErr_Occurred)(void); | |
| 176 static void(*dll_PyErr_SetNone)(PyObject *); | |
| 177 static void(*dll_PyErr_SetString)(PyObject *, const char *); | |
| 178 static void(*dll_PyEval_InitThreads)(void); | |
| 179 static void(*dll_PyEval_RestoreThread)(PyThreadState *); | |
| 180 static PyThreadState*(*dll_PyEval_SaveThread)(void); | |
| 181 # ifdef PY_CAN_RECURSE | |
| 182 static PyGILState_STATE (*dll_PyGILState_Ensure)(void); | |
| 183 static void (*dll_PyGILState_Release)(PyGILState_STATE); | |
| 184 #endif | |
| 185 static long(*dll_PyInt_AsLong)(PyObject *); | |
| 186 static PyObject*(*dll_PyInt_FromLong)(long); | |
| 187 static PyTypeObject* dll_PyInt_Type; | |
| 1594 | 188 static PyObject*(*dll_PyList_GetItem)(PyObject *, PyInt); |
| 637 | 189 static PyObject*(*dll_PyList_Append)(PyObject *, PyObject *); |
| 1594 | 190 static PyObject*(*dll_PyList_New)(PyInt size); |
| 191 static int(*dll_PyList_SetItem)(PyObject *, PyInt, PyObject *); | |
| 192 static PyInt(*dll_PyList_Size)(PyObject *); | |
| 7 | 193 static PyTypeObject* dll_PyList_Type; |
| 194 static PyObject*(*dll_PyImport_ImportModule)(const char *); | |
| 637 | 195 static PyObject*(*dll_PyDict_New)(void); |
| 7 | 196 static PyObject*(*dll_PyDict_GetItemString)(PyObject *, const char *); |
| 197 static PyObject*(*dll_PyModule_GetDict)(PyObject *); | |
| 198 static int(*dll_PyRun_SimpleString)(char *); | |
| 199 static char*(*dll_PyString_AsString)(PyObject *); | |
| 200 static PyObject*(*dll_PyString_FromString)(const char *); | |
| 1594 | 201 static PyObject*(*dll_PyString_FromStringAndSize)(const char *, PyInt); |
| 202 static PyInt(*dll_PyString_Size)(PyObject *); | |
| 7 | 203 static PyTypeObject* dll_PyString_Type; |
| 204 static int(*dll_PySys_SetObject)(char *, PyObject *); | |
| 205 static int(*dll_PySys_SetArgv)(int, char **); | |
| 206 static PyTypeObject* dll_PyType_Type; | |
| 207 static PyObject*(*dll_Py_BuildValue)(char *, ...); | |
| 208 static PyObject*(*dll_Py_FindMethod)(struct PyMethodDef[], PyObject *, char *); | |
| 209 static PyObject*(*dll_Py_InitModule4)(char *, struct PyMethodDef *, char *, PyObject *, int); | |
| 210 static void(*dll_Py_Initialize)(void); | |
| 242 | 211 static void(*dll_Py_Finalize)(void); |
| 212 static int(*dll_Py_IsInitialized)(void); | |
| 7 | 213 static PyObject*(*dll__PyObject_New)(PyTypeObject *, PyObject *); |
| 214 static PyObject*(*dll__PyObject_Init)(PyObject *, PyTypeObject *); | |
| 215 static PyObject* dll__Py_NoneStruct; | |
| 216 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 | |
| 217 static int (*dll_PyType_IsSubtype)(PyTypeObject *, PyTypeObject *); | |
| 218 # endif | |
| 219 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 | |
| 220 static void* (*dll_PyObject_Malloc)(size_t); | |
| 221 static void (*dll_PyObject_Free)(void*); | |
| 222 # endif | |
| 223 | |
| 224 static HINSTANCE hinstPython = 0; /* Instance of python.dll */ | |
| 225 | |
| 226 /* Imported exception objects */ | |
| 227 static PyObject *imp_PyExc_AttributeError; | |
| 228 static PyObject *imp_PyExc_IndexError; | |
| 229 static PyObject *imp_PyExc_KeyboardInterrupt; | |
| 230 static PyObject *imp_PyExc_TypeError; | |
| 231 static PyObject *imp_PyExc_ValueError; | |
| 232 | |
| 233 # define PyExc_AttributeError imp_PyExc_AttributeError | |
| 234 # define PyExc_IndexError imp_PyExc_IndexError | |
| 235 # define PyExc_KeyboardInterrupt imp_PyExc_KeyboardInterrupt | |
| 236 # define PyExc_TypeError imp_PyExc_TypeError | |
| 237 # define PyExc_ValueError imp_PyExc_ValueError | |
| 238 | |
| 239 /* | |
| 240 * Table of name to function pointer of python. | |
| 241 */ | |
| 242 # define PYTHON_PROC FARPROC | |
| 243 static struct | |
| 244 { | |
| 245 char *name; | |
| 246 PYTHON_PROC *ptr; | |
| 247 } python_funcname_table[] = | |
| 248 { | |
| 249 {"PyArg_Parse", (PYTHON_PROC*)&dll_PyArg_Parse}, | |
| 250 {"PyArg_ParseTuple", (PYTHON_PROC*)&dll_PyArg_ParseTuple}, | |
| 251 {"PyDict_SetItemString", (PYTHON_PROC*)&dll_PyDict_SetItemString}, | |
| 252 {"PyErr_BadArgument", (PYTHON_PROC*)&dll_PyErr_BadArgument}, | |
| 253 {"PyErr_Clear", (PYTHON_PROC*)&dll_PyErr_Clear}, | |
| 254 {"PyErr_NoMemory", (PYTHON_PROC*)&dll_PyErr_NoMemory}, | |
| 255 {"PyErr_Occurred", (PYTHON_PROC*)&dll_PyErr_Occurred}, | |
| 256 {"PyErr_SetNone", (PYTHON_PROC*)&dll_PyErr_SetNone}, | |
| 257 {"PyErr_SetString", (PYTHON_PROC*)&dll_PyErr_SetString}, | |
| 258 {"PyEval_InitThreads", (PYTHON_PROC*)&dll_PyEval_InitThreads}, | |
| 259 {"PyEval_RestoreThread", (PYTHON_PROC*)&dll_PyEval_RestoreThread}, | |
| 260 {"PyEval_SaveThread", (PYTHON_PROC*)&dll_PyEval_SaveThread}, | |
| 261 # ifdef PY_CAN_RECURSE | |
| 262 {"PyGILState_Ensure", (PYTHON_PROC*)&dll_PyGILState_Ensure}, | |
| 263 {"PyGILState_Release", (PYTHON_PROC*)&dll_PyGILState_Release}, | |
| 264 # endif | |
| 265 {"PyInt_AsLong", (PYTHON_PROC*)&dll_PyInt_AsLong}, | |
| 266 {"PyInt_FromLong", (PYTHON_PROC*)&dll_PyInt_FromLong}, | |
| 267 {"PyInt_Type", (PYTHON_PROC*)&dll_PyInt_Type}, | |
| 268 {"PyList_GetItem", (PYTHON_PROC*)&dll_PyList_GetItem}, | |
| 637 | 269 {"PyList_Append", (PYTHON_PROC*)&dll_PyList_Append}, |
| 7 | 270 {"PyList_New", (PYTHON_PROC*)&dll_PyList_New}, |
| 271 {"PyList_SetItem", (PYTHON_PROC*)&dll_PyList_SetItem}, | |
| 272 {"PyList_Size", (PYTHON_PROC*)&dll_PyList_Size}, | |
| 273 {"PyList_Type", (PYTHON_PROC*)&dll_PyList_Type}, | |
| 274 {"PyImport_ImportModule", (PYTHON_PROC*)&dll_PyImport_ImportModule}, | |
| 275 {"PyDict_GetItemString", (PYTHON_PROC*)&dll_PyDict_GetItemString}, | |
| 637 | 276 {"PyDict_New", (PYTHON_PROC*)&dll_PyDict_New}, |
| 7 | 277 {"PyModule_GetDict", (PYTHON_PROC*)&dll_PyModule_GetDict}, |
| 278 {"PyRun_SimpleString", (PYTHON_PROC*)&dll_PyRun_SimpleString}, | |
| 279 {"PyString_AsString", (PYTHON_PROC*)&dll_PyString_AsString}, | |
| 280 {"PyString_FromString", (PYTHON_PROC*)&dll_PyString_FromString}, | |
| 281 {"PyString_FromStringAndSize", (PYTHON_PROC*)&dll_PyString_FromStringAndSize}, | |
| 282 {"PyString_Size", (PYTHON_PROC*)&dll_PyString_Size}, | |
| 283 {"PyString_Type", (PYTHON_PROC*)&dll_PyString_Type}, | |
| 284 {"PySys_SetObject", (PYTHON_PROC*)&dll_PySys_SetObject}, | |
| 285 {"PySys_SetArgv", (PYTHON_PROC*)&dll_PySys_SetArgv}, | |
| 286 {"PyType_Type", (PYTHON_PROC*)&dll_PyType_Type}, | |
| 287 {"Py_BuildValue", (PYTHON_PROC*)&dll_Py_BuildValue}, | |
| 288 {"Py_FindMethod", (PYTHON_PROC*)&dll_Py_FindMethod}, | |
| 1607 | 289 # if (PY_VERSION_HEX >= 0x02050000) && SIZEOF_SIZE_T != SIZEOF_INT |
| 290 {"Py_InitModule4_64", (PYTHON_PROC*)&dll_Py_InitModule4}, | |
| 291 # else | |
| 7 | 292 {"Py_InitModule4", (PYTHON_PROC*)&dll_Py_InitModule4}, |
| 1607 | 293 # endif |
| 7 | 294 {"Py_Initialize", (PYTHON_PROC*)&dll_Py_Initialize}, |
| 242 | 295 {"Py_Finalize", (PYTHON_PROC*)&dll_Py_Finalize}, |
| 296 {"Py_IsInitialized", (PYTHON_PROC*)&dll_Py_IsInitialized}, | |
| 7 | 297 {"_PyObject_New", (PYTHON_PROC*)&dll__PyObject_New}, |
| 298 {"PyObject_Init", (PYTHON_PROC*)&dll__PyObject_Init}, | |
| 299 {"_Py_NoneStruct", (PYTHON_PROC*)&dll__Py_NoneStruct}, | |
| 300 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 | |
| 301 {"PyType_IsSubtype", (PYTHON_PROC*)&dll_PyType_IsSubtype}, | |
| 302 # endif | |
| 303 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 | |
| 304 {"PyObject_Malloc", (PYTHON_PROC*)&dll_PyObject_Malloc}, | |
| 305 {"PyObject_Free", (PYTHON_PROC*)&dll_PyObject_Free}, | |
| 306 # endif | |
| 307 {"", NULL}, | |
| 308 }; | |
| 309 | |
| 310 /* | |
| 311 * Free python.dll | |
| 312 */ | |
| 313 static void | |
| 314 end_dynamic_python(void) | |
| 315 { | |
| 316 if (hinstPython) | |
| 317 { | |
| 318 FreeLibrary(hinstPython); | |
| 319 hinstPython = 0; | |
| 320 } | |
| 321 } | |
| 322 | |
| 323 /* | |
| 324 * Load library and get all pointers. | |
| 325 * Parameter 'libname' provides name of DLL. | |
| 326 * Return OK or FAIL. | |
| 327 */ | |
| 328 static int | |
| 329 python_runtime_link_init(char *libname, int verbose) | |
| 330 { | |
| 331 int i; | |
| 332 | |
| 333 if (hinstPython) | |
| 334 return OK; | |
| 335 hinstPython = LoadLibrary(libname); | |
| 336 if (!hinstPython) | |
| 337 { | |
| 338 if (verbose) | |
| 339 EMSG2(_(e_loadlib), libname); | |
| 340 return FAIL; | |
| 341 } | |
| 342 | |
| 343 for (i = 0; python_funcname_table[i].ptr; ++i) | |
| 344 { | |
| 345 if ((*python_funcname_table[i].ptr = GetProcAddress(hinstPython, | |
| 346 python_funcname_table[i].name)) == NULL) | |
| 347 { | |
| 348 FreeLibrary(hinstPython); | |
| 349 hinstPython = 0; | |
| 350 if (verbose) | |
| 351 EMSG2(_(e_loadfunc), python_funcname_table[i].name); | |
| 352 return FAIL; | |
| 353 } | |
| 354 } | |
| 355 return OK; | |
| 356 } | |
| 357 | |
| 358 /* | |
| 359 * If python is enabled (there is installed python on Windows system) return | |
| 360 * TRUE, else FALSE. | |
| 361 */ | |
| 362 int | |
| 1607 | 363 python_enabled(int verbose) |
| 7 | 364 { |
| 365 return python_runtime_link_init(DYNAMIC_PYTHON_DLL, verbose) == OK; | |
| 366 } | |
| 367 | |
| 368 /* Load the standard Python exceptions - don't import the symbols from the | |
| 369 * DLL, as this can cause errors (importing data symbols is not reliable). | |
| 370 */ | |
| 371 static void get_exceptions __ARGS((void)); | |
| 372 | |
| 373 static void | |
| 374 get_exceptions() | |
| 375 { | |
| 376 PyObject *exmod = PyImport_ImportModule("exceptions"); | |
| 377 PyObject *exdict = PyModule_GetDict(exmod); | |
| 378 imp_PyExc_AttributeError = PyDict_GetItemString(exdict, "AttributeError"); | |
| 379 imp_PyExc_IndexError = PyDict_GetItemString(exdict, "IndexError"); | |
| 380 imp_PyExc_KeyboardInterrupt = PyDict_GetItemString(exdict, "KeyboardInterrupt"); | |
| 381 imp_PyExc_TypeError = PyDict_GetItemString(exdict, "TypeError"); | |
| 382 imp_PyExc_ValueError = PyDict_GetItemString(exdict, "ValueError"); | |
| 383 Py_XINCREF(imp_PyExc_AttributeError); | |
| 384 Py_XINCREF(imp_PyExc_IndexError); | |
| 385 Py_XINCREF(imp_PyExc_KeyboardInterrupt); | |
| 386 Py_XINCREF(imp_PyExc_TypeError); | |
| 387 Py_XINCREF(imp_PyExc_ValueError); | |
| 388 Py_XDECREF(exmod); | |
| 389 } | |
| 390 #endif /* DYNAMIC_PYTHON */ | |
| 391 | |
| 392 /****************************************************** | |
| 393 * Internal function prototypes. | |
| 394 */ | |
| 395 | |
| 396 static void DoPythonCommand(exarg_T *, const char *); | |
| 1607 | 397 static PyInt RangeStart; |
| 398 static PyInt RangeEnd; | |
| 7 | 399 |
| 400 static void PythonIO_Flush(void); | |
| 401 static int PythonIO_Init(void); | |
| 402 static int PythonMod_Init(void); | |
| 403 | |
| 404 /* Utility functions for the vim/python interface | |
| 405 * ---------------------------------------------- | |
| 406 */ | |
| 1607 | 407 static PyObject *GetBufferLine(buf_T *, PyInt); |
| 1594 | 408 static PyObject *GetBufferLineList(buf_T *, PyInt, PyInt); |
| 7 | 409 |
| 1607 | 410 static int SetBufferLine(buf_T *, PyInt, PyObject *, PyInt *); |
| 411 static int SetBufferLineList(buf_T *, PyInt, PyInt, PyObject *, PyInt *); | |
| 412 static int InsertBufferLines(buf_T *, PyInt, PyObject *, PyInt *); | |
| 7 | 413 |
| 414 static PyObject *LineToString(const char *); | |
| 415 static char *StringToLine(PyObject *); | |
| 416 | |
| 417 static int VimErrorCheck(void); | |
| 418 | |
| 419 #define PyErr_SetVim(str) PyErr_SetString(VimError, str) | |
| 420 | |
| 421 /****************************************************** | |
| 422 * 1. Python interpreter main program. | |
| 423 */ | |
| 424 | |
| 425 static int initialised = 0; | |
| 426 | |
| 427 #if PYTHON_API_VERSION < 1007 /* Python 1.4 */ | |
| 428 typedef PyObject PyThreadState; | |
| 323 | 429 #endif |
| 430 | |
| 431 #ifdef PY_CAN_RECURSE | |
| 432 static PyGILState_STATE pygilstate = PyGILState_UNLOCKED; | |
| 433 #else | |
| 36 | 434 static PyThreadState *saved_python_thread = NULL; |
| 323 | 435 #endif |
| 7 | 436 |
| 437 /* | |
| 438 * Suspend a thread of the Python interpreter, other threads are allowed to | |
| 439 * run. | |
| 440 */ | |
| 36 | 441 static void |
| 442 Python_SaveThread(void) | |
| 7 | 443 { |
| 323 | 444 #ifdef PY_CAN_RECURSE |
| 445 PyGILState_Release(pygilstate); | |
| 446 #else | |
| 7 | 447 saved_python_thread = PyEval_SaveThread(); |
| 323 | 448 #endif |
| 7 | 449 } |
| 450 | |
| 451 /* | |
| 452 * Restore a thread of the Python interpreter, waits for other threads to | |
| 453 * block. | |
| 454 */ | |
| 36 | 455 static void |
| 456 Python_RestoreThread(void) | |
| 7 | 457 { |
| 323 | 458 #ifdef PY_CAN_RECURSE |
| 459 pygilstate = PyGILState_Ensure(); | |
| 460 #else | |
| 7 | 461 PyEval_RestoreThread(saved_python_thread); |
| 462 saved_python_thread = NULL; | |
| 323 | 463 #endif |
| 7 | 464 } |
| 465 | |
| 466 /* | |
| 467 * obtain a lock on the Vim data structures | |
| 468 */ | |
| 469 static void Python_Lock_Vim(void) | |
| 470 { | |
| 471 } | |
| 472 | |
| 473 /* | |
| 474 * release a lock on the Vim data structures | |
| 475 */ | |
| 476 static void Python_Release_Vim(void) | |
| 477 { | |
| 478 } | |
| 479 | |
| 480 void | |
| 481 python_end() | |
| 482 { | |
| 557 | 483 static int recurse = 0; |
| 484 | |
| 485 /* If a crash occurs while doing this, don't try again. */ | |
| 486 if (recurse != 0) | |
| 487 return; | |
| 488 | |
| 489 ++recurse; | |
| 490 | |
| 7 | 491 #ifdef DYNAMIC_PYTHON |
| 242 | 492 if (hinstPython && Py_IsInitialized()) |
| 323 | 493 { |
| 856 | 494 Python_RestoreThread(); /* enter python */ |
| 495 Py_Finalize(); | |
| 323 | 496 } |
| 7 | 497 end_dynamic_python(); |
| 242 | 498 #else |
| 499 if (Py_IsInitialized()) | |
| 323 | 500 { |
| 856 | 501 Python_RestoreThread(); /* enter python */ |
| 502 Py_Finalize(); | |
| 323 | 503 } |
| 7 | 504 #endif |
| 557 | 505 |
| 506 --recurse; | |
| 7 | 507 } |
| 508 | |
| 509 static int | |
| 510 Python_Init(void) | |
| 511 { | |
| 512 if (!initialised) | |
| 513 { | |
| 514 #ifdef DYNAMIC_PYTHON | |
| 515 if (!python_enabled(TRUE)) | |
| 516 { | |
| 517 EMSG(_("E263: Sorry, this command is disabled, the Python library could not be loaded.")); | |
| 518 goto fail; | |
| 519 } | |
| 520 #endif | |
| 521 | |
| 522 #if !defined(MACOS) || defined(MACOS_X_UNIX) | |
| 523 Py_Initialize(); | |
| 524 #else | |
| 525 PyMac_Initialize(); | |
| 526 #endif | |
| 527 /* initialise threads */ | |
| 528 PyEval_InitThreads(); | |
| 529 | |
| 530 #ifdef DYNAMIC_PYTHON | |
| 531 get_exceptions(); | |
| 532 #endif | |
| 533 | |
| 534 if (PythonIO_Init()) | |
| 535 goto fail; | |
| 536 | |
| 537 if (PythonMod_Init()) | |
| 538 goto fail; | |
| 539 | |
| 1748 | 540 /* Remove the element from sys.path that was added because of our |
| 541 * argv[0] value in PythonMod_Init(). Previously we used an empty | |
| 542 * string, but dependinding on the OS we then get an empty entry or | |
| 543 * the current directory in sys.path. */ | |
| 544 PyRun_SimpleString("import sys; sys.path = filter(lambda x: x != '/must>not&exist', sys.path)"); | |
| 545 | |
| 36 | 546 /* the first python thread is vim's, release the lock */ |
| 7 | 547 Python_SaveThread(); |
| 548 | |
| 549 initialised = 1; | |
| 550 } | |
| 551 | |
| 552 return 0; | |
| 553 | |
| 554 fail: | |
| 555 /* We call PythonIO_Flush() here to print any Python errors. | |
| 556 * This is OK, as it is possible to call this function even | |
| 557 * if PythonIO_Init() has not completed successfully (it will | |
| 558 * not do anything in this case). | |
| 559 */ | |
| 560 PythonIO_Flush(); | |
| 561 return -1; | |
| 562 } | |
| 563 | |
| 564 /* | |
| 565 * External interface | |
| 566 */ | |
| 567 static void | |
| 568 DoPythonCommand(exarg_T *eap, const char *cmd) | |
| 569 { | |
| 323 | 570 #ifndef PY_CAN_RECURSE |
| 7 | 571 static int recursive = 0; |
| 572 #endif | |
| 573 #if defined(MACOS) && !defined(MACOS_X_UNIX) | |
| 574 GrafPtr oldPort; | |
| 575 #endif | |
| 576 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) | |
| 577 char *saved_locale; | |
| 578 #endif | |
| 579 | |
| 580 #ifndef PY_CAN_RECURSE | |
| 581 if (recursive) | |
| 582 { | |
| 583 EMSG(_("E659: Cannot invoke Python recursively")); | |
| 584 return; | |
| 585 } | |
| 586 ++recursive; | |
| 587 #endif | |
| 588 | |
| 589 #if defined(MACOS) && !defined(MACOS_X_UNIX) | |
| 590 GetPort(&oldPort); | |
| 591 /* Check if the Python library is available */ | |
| 592 if ((Ptr)PyMac_Initialize == (Ptr)kUnresolvedCFragSymbolAddress) | |
| 593 goto theend; | |
| 594 #endif | |
| 595 if (Python_Init()) | |
| 596 goto theend; | |
| 597 | |
| 598 RangeStart = eap->line1; | |
| 599 RangeEnd = eap->line2; | |
| 600 Python_Release_Vim(); /* leave vim */ | |
| 601 | |
| 602 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) | |
| 603 /* Python only works properly when the LC_NUMERIC locale is "C". */ | |
| 604 saved_locale = setlocale(LC_NUMERIC, NULL); | |
| 605 if (saved_locale == NULL || STRCMP(saved_locale, "C") == 0) | |
| 606 saved_locale = NULL; | |
| 607 else | |
| 608 { | |
| 609 /* Need to make a copy, value may change when setting new locale. */ | |
| 610 saved_locale = (char *)vim_strsave((char_u *)saved_locale); | |
| 611 (void)setlocale(LC_NUMERIC, "C"); | |
| 612 } | |
| 613 #endif | |
| 614 | |
| 615 Python_RestoreThread(); /* enter python */ | |
| 616 | |
| 617 PyRun_SimpleString((char *)(cmd)); | |
| 618 | |
| 619 Python_SaveThread(); /* leave python */ | |
| 620 | |
| 621 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) | |
| 622 if (saved_locale != NULL) | |
| 623 { | |
| 624 (void)setlocale(LC_NUMERIC, saved_locale); | |
| 625 vim_free(saved_locale); | |
| 626 } | |
| 627 #endif | |
| 628 | |
| 629 Python_Lock_Vim(); /* enter vim */ | |
| 630 PythonIO_Flush(); | |
| 631 #if defined(MACOS) && !defined(MACOS_X_UNIX) | |
| 632 SetPort(oldPort); | |
| 633 #endif | |
| 634 | |
| 635 theend: | |
| 636 #ifndef PY_CAN_RECURSE | |
| 637 --recursive; | |
| 638 #endif | |
| 639 return; /* keeps lint happy */ | |
| 640 } | |
| 641 | |
| 642 /* | |
| 643 * ":python" | |
| 644 */ | |
| 645 void | |
| 646 ex_python(exarg_T *eap) | |
| 647 { | |
| 648 char_u *script; | |
| 649 | |
| 650 script = script_get(eap, eap->arg); | |
| 651 if (!eap->skip) | |
| 652 { | |
| 653 if (script == NULL) | |
| 654 DoPythonCommand(eap, (char *)eap->arg); | |
| 655 else | |
| 656 DoPythonCommand(eap, (char *)script); | |
| 657 } | |
| 658 vim_free(script); | |
| 659 } | |
| 660 | |
| 661 #define BUFFER_SIZE 1024 | |
| 662 | |
| 663 /* | |
| 664 * ":pyfile" | |
| 665 */ | |
| 666 void | |
| 667 ex_pyfile(exarg_T *eap) | |
| 668 { | |
| 669 static char buffer[BUFFER_SIZE]; | |
| 670 const char *file = (char *)eap->arg; | |
| 671 char *p; | |
| 672 | |
| 673 /* Have to do it like this. PyRun_SimpleFile requires you to pass a | |
| 674 * stdio file pointer, but Vim and the Python DLL are compiled with | |
| 675 * different options under Windows, meaning that stdio pointers aren't | |
| 676 * compatible between the two. Yuk. | |
| 677 * | |
| 678 * Put the string "execfile('file')" into buffer. But, we need to | |
| 679 * escape any backslashes or single quotes in the file name, so that | |
| 680 * Python won't mangle the file name. | |
| 681 */ | |
| 682 strcpy(buffer, "execfile('"); | |
| 683 p = buffer + 10; /* size of "execfile('" */ | |
| 684 | |
| 685 while (*file && p < buffer + (BUFFER_SIZE - 3)) | |
| 686 { | |
| 687 if (*file == '\\' || *file == '\'') | |
| 688 *p++ = '\\'; | |
| 689 *p++ = *file++; | |
| 690 } | |
| 691 | |
| 692 /* If we didn't finish the file name, we hit a buffer overflow */ | |
| 693 if (*file != '\0') | |
| 694 return; | |
| 695 | |
| 696 /* Put in the terminating "')" and a null */ | |
| 697 *p++ = '\''; | |
| 698 *p++ = ')'; | |
| 699 *p++ = '\0'; | |
| 700 | |
| 701 /* Execute the file */ | |
| 702 DoPythonCommand(eap, buffer); | |
| 703 } | |
| 704 | |
| 705 /****************************************************** | |
| 706 * 2. Python output stream: writes output via [e]msg(). | |
| 707 */ | |
| 708 | |
| 709 /* Implementation functions | |
| 710 */ | |
| 711 | |
| 712 static PyObject *OutputGetattr(PyObject *, char *); | |
| 713 static int OutputSetattr(PyObject *, char *, PyObject *); | |
| 714 | |
| 715 static PyObject *OutputWrite(PyObject *, PyObject *); | |
| 716 static PyObject *OutputWritelines(PyObject *, PyObject *); | |
| 717 | |
| 718 typedef void (*writefn)(char_u *); | |
| 1607 | 719 static void writer(writefn fn, char_u *str, PyInt n); |
| 7 | 720 |
| 721 /* Output object definition | |
| 722 */ | |
| 723 | |
| 724 typedef struct | |
| 725 { | |
| 726 PyObject_HEAD | |
| 727 long softspace; | |
| 728 long error; | |
| 729 } OutputObject; | |
| 730 | |
| 731 static struct PyMethodDef OutputMethods[] = { | |
| 732 /* name, function, calling, documentation */ | |
| 733 {"write", OutputWrite, 1, "" }, | |
| 734 {"writelines", OutputWritelines, 1, "" }, | |
| 735 { NULL, NULL, 0, NULL } | |
| 736 }; | |
| 737 | |
| 738 static PyTypeObject OutputType = { | |
| 739 PyObject_HEAD_INIT(0) | |
| 740 0, | |
| 741 "message", | |
| 742 sizeof(OutputObject), | |
| 743 0, | |
| 744 | |
| 745 (destructor) 0, | |
| 746 (printfunc) 0, | |
| 747 (getattrfunc) OutputGetattr, | |
| 748 (setattrfunc) OutputSetattr, | |
| 749 (cmpfunc) 0, | |
| 750 (reprfunc) 0, | |
| 751 | |
| 752 0, /* as number */ | |
| 753 0, /* as sequence */ | |
| 754 0, /* as mapping */ | |
| 755 | |
| 756 (hashfunc) 0, | |
| 757 (ternaryfunc) 0, | |
| 758 (reprfunc) 0 | |
| 759 }; | |
| 760 | |
| 761 /*************/ | |
| 762 | |
| 763 static PyObject * | |
| 764 OutputGetattr(PyObject *self, char *name) | |
| 765 { | |
| 766 if (strcmp(name, "softspace") == 0) | |
| 767 return PyInt_FromLong(((OutputObject *)(self))->softspace); | |
| 768 | |
| 769 return Py_FindMethod(OutputMethods, self, name); | |
| 770 } | |
| 771 | |
| 772 static int | |
| 773 OutputSetattr(PyObject *self, char *name, PyObject *val) | |
| 774 { | |
| 775 if (val == NULL) { | |
| 776 PyErr_SetString(PyExc_AttributeError, _("can't delete OutputObject attributes")); | |
| 777 return -1; | |
| 778 } | |
| 779 | |
| 780 if (strcmp(name, "softspace") == 0) | |
| 781 { | |
| 782 if (!PyInt_Check(val)) { | |
| 783 PyErr_SetString(PyExc_TypeError, _("softspace must be an integer")); | |
| 784 return -1; | |
| 785 } | |
| 786 | |
| 787 ((OutputObject *)(self))->softspace = PyInt_AsLong(val); | |
| 788 return 0; | |
| 789 } | |
| 790 | |
| 791 PyErr_SetString(PyExc_AttributeError, _("invalid attribute")); | |
| 792 return -1; | |
| 793 } | |
| 794 | |
| 795 /*************/ | |
| 796 | |
| 797 static PyObject * | |
| 798 OutputWrite(PyObject *self, PyObject *args) | |
| 799 { | |
| 800 int len; | |
| 801 char *str; | |
| 802 int error = ((OutputObject *)(self))->error; | |
| 803 | |
| 804 if (!PyArg_ParseTuple(args, "s#", &str, &len)) | |
| 805 return NULL; | |
| 806 | |
| 807 Py_BEGIN_ALLOW_THREADS | |
| 808 Python_Lock_Vim(); | |
| 809 writer((writefn)(error ? emsg : msg), (char_u *)str, len); | |
| 810 Python_Release_Vim(); | |
| 811 Py_END_ALLOW_THREADS | |
| 812 | |
| 813 Py_INCREF(Py_None); | |
| 814 return Py_None; | |
| 815 } | |
| 816 | |
| 817 static PyObject * | |
| 818 OutputWritelines(PyObject *self, PyObject *args) | |
| 819 { | |
| 1594 | 820 PyInt n; |
| 821 PyInt i; | |
| 7 | 822 PyObject *list; |
| 823 int error = ((OutputObject *)(self))->error; | |
| 824 | |
| 825 if (!PyArg_ParseTuple(args, "O", &list)) | |
| 826 return NULL; | |
| 827 Py_INCREF(list); | |
| 828 | |
| 829 if (!PyList_Check(list)) { | |
| 830 PyErr_SetString(PyExc_TypeError, _("writelines() requires list of strings")); | |
| 831 Py_DECREF(list); | |
| 832 return NULL; | |
| 833 } | |
| 834 | |
| 835 n = PyList_Size(list); | |
| 836 | |
| 837 for (i = 0; i < n; ++i) | |
| 838 { | |
| 839 PyObject *line = PyList_GetItem(list, i); | |
| 840 char *str; | |
| 1607 | 841 PyInt len; |
| 7 | 842 |
| 843 if (!PyArg_Parse(line, "s#", &str, &len)) { | |
| 844 PyErr_SetString(PyExc_TypeError, _("writelines() requires list of strings")); | |
| 845 Py_DECREF(list); | |
| 846 return NULL; | |
| 847 } | |
| 848 | |
| 849 Py_BEGIN_ALLOW_THREADS | |
| 850 Python_Lock_Vim(); | |
| 851 writer((writefn)(error ? emsg : msg), (char_u *)str, len); | |
| 852 Python_Release_Vim(); | |
| 853 Py_END_ALLOW_THREADS | |
| 854 } | |
| 855 | |
| 856 Py_DECREF(list); | |
| 857 Py_INCREF(Py_None); | |
| 858 return Py_None; | |
| 859 } | |
| 860 | |
| 861 /* Output buffer management | |
| 862 */ | |
| 863 | |
| 864 static char_u *buffer = NULL; | |
| 1607 | 865 static PyInt buffer_len = 0; |
| 866 static PyInt buffer_size = 0; | |
| 7 | 867 |
| 868 static writefn old_fn = NULL; | |
| 869 | |
| 870 static void | |
| 1607 | 871 buffer_ensure(PyInt n) |
| 7 | 872 { |
| 1607 | 873 PyInt new_size; |
| 7 | 874 char_u *new_buffer; |
| 875 | |
| 876 if (n < buffer_size) | |
| 877 return; | |
| 878 | |
| 879 new_size = buffer_size; | |
| 880 while (new_size < n) | |
| 881 new_size += 80; | |
| 882 | |
| 883 if (new_size != buffer_size) | |
| 884 { | |
| 885 new_buffer = alloc((unsigned)new_size); | |
| 886 if (new_buffer == NULL) | |
| 887 return; | |
| 888 | |
| 889 if (buffer) | |
| 890 { | |
| 891 memcpy(new_buffer, buffer, buffer_len); | |
| 892 vim_free(buffer); | |
| 893 } | |
| 894 | |
| 895 buffer = new_buffer; | |
| 896 buffer_size = new_size; | |
| 897 } | |
| 898 } | |
| 899 | |
| 900 static void | |
| 901 PythonIO_Flush(void) | |
| 902 { | |
| 903 if (old_fn && buffer_len) | |
| 904 { | |
| 905 buffer[buffer_len] = 0; | |
| 906 old_fn(buffer); | |
| 907 } | |
| 908 | |
| 909 buffer_len = 0; | |
| 910 } | |
| 911 | |
| 912 static void | |
| 1607 | 913 writer(writefn fn, char_u *str, PyInt n) |
| 7 | 914 { |
| 915 char_u *ptr; | |
| 916 | |
| 917 if (fn != old_fn && old_fn != NULL) | |
| 918 PythonIO_Flush(); | |
| 919 | |
| 920 old_fn = fn; | |
| 921 | |
| 922 while (n > 0 && (ptr = memchr(str, '\n', n)) != NULL) | |
| 923 { | |
| 1607 | 924 PyInt len = ptr - str; |
| 7 | 925 |
| 926 buffer_ensure(buffer_len + len + 1); | |
| 927 | |
| 928 memcpy(buffer + buffer_len, str, len); | |
| 929 buffer_len += len; | |
| 930 buffer[buffer_len] = 0; | |
| 931 fn(buffer); | |
| 932 str = ptr + 1; | |
| 933 n -= len + 1; | |
| 934 buffer_len = 0; | |
| 935 } | |
| 936 | |
| 937 /* Put the remaining text into the buffer for later printing */ | |
| 938 buffer_ensure(buffer_len + n + 1); | |
| 939 memcpy(buffer + buffer_len, str, n); | |
| 940 buffer_len += n; | |
| 941 } | |
| 942 | |
| 943 /***************/ | |
| 944 | |
| 945 static OutputObject Output = | |
| 946 { | |
| 947 PyObject_HEAD_INIT(&OutputType) | |
| 948 0, | |
| 949 0 | |
| 950 }; | |
| 951 | |
| 952 static OutputObject Error = | |
| 953 { | |
| 954 PyObject_HEAD_INIT(&OutputType) | |
| 955 0, | |
| 956 1 | |
| 957 }; | |
| 958 | |
| 959 static int | |
| 960 PythonIO_Init(void) | |
| 961 { | |
| 962 /* Fixups... */ | |
| 963 OutputType.ob_type = &PyType_Type; | |
| 964 | |
| 135 | 965 PySys_SetObject("stdout", (PyObject *)(void *)&Output); |
| 966 PySys_SetObject("stderr", (PyObject *)(void *)&Error); | |
| 7 | 967 |
| 968 if (PyErr_Occurred()) | |
| 969 { | |
| 970 EMSG(_("E264: Python: Error initialising I/O objects")); | |
| 971 return -1; | |
| 972 } | |
| 973 | |
| 974 return 0; | |
| 975 } | |
| 976 | |
| 977 /****************************************************** | |
| 978 * 3. Implementation of the Vim module for Python | |
| 979 */ | |
| 980 | |
| 981 /* Vim module - Implementation functions | |
| 982 * ------------------------------------- | |
| 983 */ | |
| 984 | |
| 985 static PyObject *VimError; | |
| 986 | |
| 987 static PyObject *VimCommand(PyObject *, PyObject *); | |
| 988 static PyObject *VimEval(PyObject *, PyObject *); | |
| 989 | |
| 990 /* Window type - Implementation functions | |
| 991 * -------------------------------------- | |
| 992 */ | |
| 993 | |
| 994 typedef struct | |
| 995 { | |
| 996 PyObject_HEAD | |
| 997 win_T *win; | |
| 998 } | |
| 999 WindowObject; | |
| 1000 | |
| 1001 #define INVALID_WINDOW_VALUE ((win_T *)(-1)) | |
| 1002 | |
| 1003 #define WindowType_Check(obj) ((obj)->ob_type == &WindowType) | |
| 1004 | |
| 1005 static PyObject *WindowNew(win_T *); | |
| 1006 | |
| 1007 static void WindowDestructor(PyObject *); | |
| 1008 static PyObject *WindowGetattr(PyObject *, char *); | |
| 1009 static int WindowSetattr(PyObject *, char *, PyObject *); | |
| 1010 static PyObject *WindowRepr(PyObject *); | |
| 1011 | |
| 1012 /* Buffer type - Implementation functions | |
| 1013 * -------------------------------------- | |
| 1014 */ | |
| 1015 | |
| 1016 typedef struct | |
| 1017 { | |
| 1018 PyObject_HEAD | |
| 1019 buf_T *buf; | |
| 1020 } | |
| 1021 BufferObject; | |
| 1022 | |
| 1023 #define INVALID_BUFFER_VALUE ((buf_T *)(-1)) | |
| 1024 | |
| 1025 #define BufferType_Check(obj) ((obj)->ob_type == &BufferType) | |
| 1026 | |
| 1027 static PyObject *BufferNew (buf_T *); | |
| 1028 | |
| 1029 static void BufferDestructor(PyObject *); | |
| 1030 static PyObject *BufferGetattr(PyObject *, char *); | |
| 1031 static PyObject *BufferRepr(PyObject *); | |
| 1032 | |
| 1594 | 1033 static PyInt BufferLength(PyObject *); |
| 1034 static PyObject *BufferItem(PyObject *, PyInt); | |
| 1035 static PyObject *BufferSlice(PyObject *, PyInt, PyInt); | |
| 1036 static PyInt BufferAssItem(PyObject *, PyInt, PyObject *); | |
| 1037 static PyInt BufferAssSlice(PyObject *, PyInt, PyInt, PyObject *); | |
| 7 | 1038 |
| 1039 static PyObject *BufferAppend(PyObject *, PyObject *); | |
| 1040 static PyObject *BufferMark(PyObject *, PyObject *); | |
| 1041 static PyObject *BufferRange(PyObject *, PyObject *); | |
| 1042 | |
| 1043 /* Line range type - Implementation functions | |
| 1044 * -------------------------------------- | |
| 1045 */ | |
| 1046 | |
| 1047 typedef struct | |
| 1048 { | |
| 1049 PyObject_HEAD | |
| 1050 BufferObject *buf; | |
| 1607 | 1051 PyInt start; |
| 1052 PyInt end; | |
| 7 | 1053 } |
| 1054 RangeObject; | |
| 1055 | |
| 1056 #define RangeType_Check(obj) ((obj)->ob_type == &RangeType) | |
| 1057 | |
| 1607 | 1058 static PyObject *RangeNew(buf_T *, PyInt, PyInt); |
| 7 | 1059 |
| 1060 static void RangeDestructor(PyObject *); | |
| 1061 static PyObject *RangeGetattr(PyObject *, char *); | |
| 1062 static PyObject *RangeRepr(PyObject *); | |
| 1063 | |
| 1594 | 1064 static PyInt RangeLength(PyObject *); |
| 1065 static PyObject *RangeItem(PyObject *, PyInt); | |
| 1066 static PyObject *RangeSlice(PyObject *, PyInt, PyInt); | |
| 1067 static PyInt RangeAssItem(PyObject *, PyInt, PyObject *); | |
| 1068 static PyInt RangeAssSlice(PyObject *, PyInt, PyInt, PyObject *); | |
| 7 | 1069 |
| 1070 static PyObject *RangeAppend(PyObject *, PyObject *); | |
| 1071 | |
| 1072 /* Window list type - Implementation functions | |
| 1073 * ------------------------------------------- | |
| 1074 */ | |
| 1075 | |
| 1594 | 1076 static PyInt WinListLength(PyObject *); |
| 1077 static PyObject *WinListItem(PyObject *, PyInt); | |
| 7 | 1078 |
| 1079 /* Buffer list type - Implementation functions | |
| 1080 * ------------------------------------------- | |
| 1081 */ | |
| 1082 | |
| 1594 | 1083 static PyInt BufListLength(PyObject *); |
| 1084 static PyObject *BufListItem(PyObject *, PyInt); | |
| 7 | 1085 |
| 1086 /* Current objects type - Implementation functions | |
| 1087 * ----------------------------------------------- | |
| 1088 */ | |
| 1089 | |
| 1090 static PyObject *CurrentGetattr(PyObject *, char *); | |
| 1091 static int CurrentSetattr(PyObject *, char *, PyObject *); | |
| 1092 | |
| 1093 /* Vim module - Definitions | |
| 1094 */ | |
| 1095 | |
| 1096 static struct PyMethodDef VimMethods[] = { | |
| 1097 /* name, function, calling, documentation */ | |
| 1607 | 1098 {"command", VimCommand, 1, "Execute a Vim ex-mode command" }, |
| 1099 {"eval", VimEval, 1, "Evaluate an expression using Vim evaluator" }, | |
| 7 | 1100 { NULL, NULL, 0, NULL } |
| 1101 }; | |
| 1102 | |
| 1103 /* Vim module - Implementation | |
| 1104 */ | |
| 1105 static PyObject * | |
| 1887 | 1106 VimCommand(PyObject *self UNUSED, PyObject *args) |
| 7 | 1107 { |
| 1108 char *cmd; | |
| 1109 PyObject *result; | |
| 1110 | |
| 1111 if (!PyArg_ParseTuple(args, "s", &cmd)) | |
| 1112 return NULL; | |
| 1113 | |
| 1114 PyErr_Clear(); | |
| 1115 | |
| 1116 Py_BEGIN_ALLOW_THREADS | |
| 1117 Python_Lock_Vim(); | |
| 1118 | |
| 1119 do_cmdline_cmd((char_u *)cmd); | |
| 1120 update_screen(VALID); | |
| 1121 | |
| 1122 Python_Release_Vim(); | |
| 1123 Py_END_ALLOW_THREADS | |
| 1124 | |
| 1125 if (VimErrorCheck()) | |
| 1126 result = NULL; | |
| 1127 else | |
| 1128 result = Py_None; | |
| 1129 | |
| 1130 Py_XINCREF(result); | |
| 1131 return result; | |
| 1132 } | |
| 1133 | |
| 1681 | 1134 #ifdef FEAT_EVAL |
| 634 | 1135 /* |
| 1136 * Function to translate a typval_T into a PyObject; this will recursively | |
| 1137 * translate lists/dictionaries into their Python equivalents. | |
| 1138 * | |
| 1607 | 1139 * The depth parameter is to avoid infinite recursion, set it to 1 when |
| 634 | 1140 * you call VimToPython. |
| 1141 */ | |
| 1142 static PyObject * | |
| 1143 VimToPython(typval_T *our_tv, int depth, PyObject *lookupDict) | |
| 1144 { | |
| 1145 PyObject *result; | |
| 1146 PyObject *newObj; | |
| 1147 char ptrBuf[NUMBUFLEN]; | |
| 1148 | |
| 1149 /* Avoid infinite recursion */ | |
| 1150 if (depth > 100) | |
| 1151 { | |
| 856 | 1152 Py_INCREF(Py_None); |
| 1153 result = Py_None; | |
| 1154 return result; | |
| 634 | 1155 } |
| 1156 | |
| 1157 /* Check if we run into a recursive loop. The item must be in lookupDict | |
| 1158 * then and we can use it again. */ | |
| 1786 | 1159 if ((our_tv->v_type == VAR_LIST && our_tv->vval.v_list != NULL) |
| 1160 || (our_tv->v_type == VAR_DICT && our_tv->vval.v_dict != NULL)) | |
| 1161 { | |
| 1162 sprintf(ptrBuf, PRINTF_DECIMAL_LONG_U, | |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2250
diff
changeset
|
1163 our_tv->v_type == VAR_LIST ? (long_u)our_tv->vval.v_list |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2250
diff
changeset
|
1164 : (long_u)our_tv->vval.v_dict); |
| 1786 | 1165 result = PyDict_GetItemString(lookupDict, ptrBuf); |
| 1166 if (result != NULL) | |
| 1167 { | |
| 1168 Py_INCREF(result); | |
| 1169 return result; | |
| 1170 } | |
| 1171 } | |
| 1172 | |
| 1173 if (our_tv->v_type == VAR_STRING) | |
| 634 | 1174 { |
| 856 | 1175 result = Py_BuildValue("s", our_tv->vval.v_string); |
| 634 | 1176 } |
| 1177 else if (our_tv->v_type == VAR_NUMBER) | |
| 1178 { | |
| 856 | 1179 char buf[NUMBUFLEN]; |
| 634 | 1180 |
| 1181 /* For backwards compatibility numbers are stored as strings. */ | |
| 856 | 1182 sprintf(buf, "%ld", (long)our_tv->vval.v_number); |
| 1183 result = Py_BuildValue("s", buf); | |
| 634 | 1184 } |
| 1681 | 1185 # ifdef FEAT_FLOAT |
| 1594 | 1186 else if (our_tv->v_type == VAR_FLOAT) |
| 1187 { | |
| 1188 char buf[NUMBUFLEN]; | |
| 1189 | |
| 1190 sprintf(buf, "%f", our_tv->vval.v_float); | |
| 1191 result = Py_BuildValue("s", buf); | |
| 1192 } | |
| 1681 | 1193 # endif |
| 634 | 1194 else if (our_tv->v_type == VAR_LIST) |
| 1195 { | |
| 856 | 1196 list_T *list = our_tv->vval.v_list; |
| 1197 listitem_T *curr; | |
| 1198 | |
| 1199 result = PyList_New(0); | |
| 634 | 1200 |
| 1201 if (list != NULL) | |
| 1202 { | |
| 1786 | 1203 PyDict_SetItemString(lookupDict, ptrBuf, result); |
| 1204 | |
| 634 | 1205 for (curr = list->lv_first; curr != NULL; curr = curr->li_next) |
| 1206 { | |
| 1207 newObj = VimToPython(&curr->li_tv, depth + 1, lookupDict); | |
| 1208 PyList_Append(result, newObj); | |
| 1209 Py_DECREF(newObj); | |
| 1210 } | |
| 1211 } | |
| 1212 } | |
| 1213 else if (our_tv->v_type == VAR_DICT) | |
| 1214 { | |
| 856 | 1215 result = PyDict_New(); |
| 634 | 1216 |
| 1217 if (our_tv->vval.v_dict != NULL) | |
| 1218 { | |
| 1219 hashtab_T *ht = &our_tv->vval.v_dict->dv_hashtab; | |
| 1607 | 1220 long_u todo = ht->ht_used; |
| 634 | 1221 hashitem_T *hi; |
| 1222 dictitem_T *di; | |
| 1223 | |
| 1786 | 1224 PyDict_SetItemString(lookupDict, ptrBuf, result); |
| 1225 | |
| 634 | 1226 for (hi = ht->ht_array; todo > 0; ++hi) |
| 1227 { | |
| 1228 if (!HASHITEM_EMPTY(hi)) | |
| 1229 { | |
| 1230 --todo; | |
| 1231 | |
| 1232 di = dict_lookup(hi); | |
| 1233 newObj = VimToPython(&di->di_tv, depth + 1, lookupDict); | |
| 1234 PyDict_SetItemString(result, (char *)hi->hi_key, newObj); | |
| 1235 Py_DECREF(newObj); | |
| 1236 } | |
| 1237 } | |
| 1238 } | |
| 1239 } | |
| 1240 else | |
| 1241 { | |
| 856 | 1242 Py_INCREF(Py_None); |
| 1243 result = Py_None; | |
| 634 | 1244 } |
| 1245 | |
| 1246 return result; | |
| 1247 } | |
| 1681 | 1248 #endif |
| 634 | 1249 |
| 7 | 1250 static PyObject * |
| 1887 | 1251 VimEval(PyObject *self UNUSED, PyObject *args) |
| 7 | 1252 { |
| 1253 #ifdef FEAT_EVAL | |
| 1254 char *expr; | |
| 634 | 1255 typval_T *our_tv; |
| 7 | 1256 PyObject *result; |
| 634 | 1257 PyObject *lookup_dict; |
| 7 | 1258 |
| 1259 if (!PyArg_ParseTuple(args, "s", &expr)) | |
| 1260 return NULL; | |
| 1261 | |
| 1262 Py_BEGIN_ALLOW_THREADS | |
| 1263 Python_Lock_Vim(); | |
| 634 | 1264 our_tv = eval_expr((char_u *)expr, NULL); |
| 1265 | |
| 7 | 1266 Python_Release_Vim(); |
| 1267 Py_END_ALLOW_THREADS | |
| 1268 | |
| 634 | 1269 if (our_tv == NULL) |
| 7 | 1270 { |
| 1271 PyErr_SetVim(_("invalid expression")); | |
| 1272 return NULL; | |
| 1273 } | |
| 1274 | |
| 634 | 1275 /* Convert the Vim type into a Python type. Create a dictionary that's |
| 1276 * used to check for recursive loops. */ | |
| 1277 lookup_dict = PyDict_New(); | |
| 1278 result = VimToPython(our_tv, 1, lookup_dict); | |
| 1279 Py_DECREF(lookup_dict); | |
| 1280 | |
| 7 | 1281 |
| 1282 Py_BEGIN_ALLOW_THREADS | |
| 1283 Python_Lock_Vim(); | |
| 634 | 1284 free_tv(our_tv); |
| 7 | 1285 Python_Release_Vim(); |
| 1286 Py_END_ALLOW_THREADS | |
| 1287 | |
| 1288 return result; | |
| 1289 #else | |
| 1290 PyErr_SetVim(_("expressions disabled at compile time")); | |
| 1291 return NULL; | |
| 1292 #endif | |
| 1293 } | |
| 1294 | |
| 1295 /* Common routines for buffers and line ranges | |
| 1296 * ------------------------------------------- | |
| 1297 */ | |
| 1298 static int | |
| 1299 CheckBuffer(BufferObject *this) | |
| 1300 { | |
| 1301 if (this->buf == INVALID_BUFFER_VALUE) | |
| 1302 { | |
| 1303 PyErr_SetVim(_("attempt to refer to deleted buffer")); | |
| 1304 return -1; | |
| 1305 } | |
| 1306 | |
| 1307 return 0; | |
| 1308 } | |
| 1309 | |
| 1310 static PyObject * | |
| 1607 | 1311 RBItem(BufferObject *self, PyInt n, PyInt start, PyInt end) |
| 7 | 1312 { |
| 1313 if (CheckBuffer(self)) | |
| 1314 return NULL; | |
| 1315 | |
| 1316 if (n < 0 || n > end - start) | |
| 1317 { | |
| 1318 PyErr_SetString(PyExc_IndexError, _("line number out of range")); | |
| 1319 return NULL; | |
| 1320 } | |
| 1321 | |
| 1322 return GetBufferLine(self->buf, n+start); | |
| 1323 } | |
| 1324 | |
| 1325 static PyObject * | |
| 1607 | 1326 RBSlice(BufferObject *self, PyInt lo, PyInt hi, PyInt start, PyInt end) |
| 7 | 1327 { |
| 1594 | 1328 PyInt size; |
| 7 | 1329 |
| 1330 if (CheckBuffer(self)) | |
| 1331 return NULL; | |
| 1332 | |
| 1333 size = end - start + 1; | |
| 1334 | |
| 1335 if (lo < 0) | |
| 1336 lo = 0; | |
| 1337 else if (lo > size) | |
| 1338 lo = size; | |
| 1339 if (hi < 0) | |
| 1340 hi = 0; | |
| 1341 if (hi < lo) | |
| 1342 hi = lo; | |
| 1343 else if (hi > size) | |
| 1344 hi = size; | |
| 1345 | |
| 1346 return GetBufferLineList(self->buf, lo+start, hi+start); | |
| 1347 } | |
| 1348 | |
| 1594 | 1349 static PyInt |
| 1607 | 1350 RBAssItem(BufferObject *self, PyInt n, PyObject *val, PyInt start, PyInt end, PyInt *new_end) |
| 7 | 1351 { |
| 1607 | 1352 PyInt len_change; |
| 7 | 1353 |
| 1354 if (CheckBuffer(self)) | |
| 1355 return -1; | |
| 1356 | |
| 1357 if (n < 0 || n > end - start) | |
| 1358 { | |
| 1359 PyErr_SetString(PyExc_IndexError, _("line number out of range")); | |
| 1360 return -1; | |
| 1361 } | |
| 1362 | |
| 1363 if (SetBufferLine(self->buf, n+start, val, &len_change) == FAIL) | |
| 1364 return -1; | |
| 1365 | |
| 1366 if (new_end) | |
| 1367 *new_end = end + len_change; | |
| 1368 | |
| 1369 return 0; | |
| 1370 } | |
| 1371 | |
| 1594 | 1372 static PyInt |
| 1607 | 1373 RBAssSlice(BufferObject *self, PyInt lo, PyInt hi, PyObject *val, PyInt start, PyInt end, PyInt *new_end) |
| 7 | 1374 { |
| 1607 | 1375 PyInt size; |
| 1376 PyInt len_change; | |
| 7 | 1377 |
| 1378 /* Self must be a valid buffer */ | |
| 1379 if (CheckBuffer(self)) | |
| 1380 return -1; | |
| 1381 | |
| 1382 /* Sort out the slice range */ | |
| 1383 size = end - start + 1; | |
| 1384 | |
| 1385 if (lo < 0) | |
| 1386 lo = 0; | |
| 1387 else if (lo > size) | |
| 1388 lo = size; | |
| 1389 if (hi < 0) | |
| 1390 hi = 0; | |
| 1391 if (hi < lo) | |
| 1392 hi = lo; | |
| 1393 else if (hi > size) | |
| 1394 hi = size; | |
| 1395 | |
| 1396 if (SetBufferLineList(self->buf, lo+start, hi+start, val, &len_change) == FAIL) | |
| 1397 return -1; | |
| 1398 | |
| 1399 if (new_end) | |
| 1400 *new_end = end + len_change; | |
| 1401 | |
| 1402 return 0; | |
| 1403 } | |
| 1404 | |
| 1405 static PyObject * | |
| 1607 | 1406 RBAppend(BufferObject *self, PyObject *args, PyInt start, PyInt end, PyInt *new_end) |
| 7 | 1407 { |
| 1408 PyObject *lines; | |
| 1607 | 1409 PyInt len_change; |
| 1410 PyInt max; | |
| 1411 PyInt n; | |
| 7 | 1412 |
| 1413 if (CheckBuffer(self)) | |
| 1414 return NULL; | |
| 1415 | |
| 1416 max = n = end - start + 1; | |
| 1417 | |
| 1607 | 1418 if (!PyArg_ParseTuple(args, "O|" Py_ssize_t_fmt, &lines, &n)) |
| 7 | 1419 return NULL; |
| 1420 | |
| 1421 if (n < 0 || n > max) | |
| 1422 { | |
| 1423 PyErr_SetString(PyExc_ValueError, _("line number out of range")); | |
| 1424 return NULL; | |
| 1425 } | |
| 1426 | |
| 1427 if (InsertBufferLines(self->buf, n + start - 1, lines, &len_change) == FAIL) | |
| 1428 return NULL; | |
| 1429 | |
| 1430 if (new_end) | |
| 1431 *new_end = end + len_change; | |
| 1432 | |
| 1433 Py_INCREF(Py_None); | |
| 1434 return Py_None; | |
| 1435 } | |
| 1436 | |
| 1437 | |
| 1438 /* Buffer object - Definitions | |
| 1439 */ | |
| 1440 | |
| 1441 static struct PyMethodDef BufferMethods[] = { | |
| 1442 /* name, function, calling, documentation */ | |
| 1607 | 1443 {"append", BufferAppend, 1, "Append data to Vim buffer" }, |
| 1444 {"mark", BufferMark, 1, "Return (row,col) representing position of named mark" }, | |
| 1445 {"range", BufferRange, 1, "Return a range object which represents the part of the given buffer between line numbers s and e" }, | |
| 7 | 1446 { NULL, NULL, 0, NULL } |
| 1447 }; | |
| 1448 | |
| 1449 static PySequenceMethods BufferAsSeq = { | |
| 1594 | 1450 (PyInquiry) BufferLength, /* sq_length, len(x) */ |
| 7 | 1451 (binaryfunc) 0, /* BufferConcat, */ /* sq_concat, x+y */ |
| 1594 | 1452 (PyIntArgFunc) 0, /* BufferRepeat, */ /* sq_repeat, x*n */ |
| 1453 (PyIntArgFunc) BufferItem, /* sq_item, x[i] */ | |
| 1454 (PyIntIntArgFunc) BufferSlice, /* sq_slice, x[i:j] */ | |
| 1455 (PyIntObjArgProc) BufferAssItem, /* sq_ass_item, x[i]=v */ | |
| 1456 (PyIntIntObjArgProc) BufferAssSlice, /* sq_ass_slice, x[i:j]=v */ | |
| 7 | 1457 }; |
| 1458 | |
| 1459 static PyTypeObject BufferType = { | |
| 1460 PyObject_HEAD_INIT(0) | |
| 1461 0, | |
| 1462 "buffer", | |
| 1463 sizeof(BufferObject), | |
| 1464 0, | |
| 1465 | |
| 1466 (destructor) BufferDestructor, /* tp_dealloc, refcount==0 */ | |
| 1467 (printfunc) 0, /* tp_print, print x */ | |
| 1468 (getattrfunc) BufferGetattr, /* tp_getattr, x.attr */ | |
| 1469 (setattrfunc) 0, /* tp_setattr, x.attr=v */ | |
| 1470 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 1471 (reprfunc) BufferRepr, /* tp_repr, `x`, print x */ | |
| 1472 | |
| 1473 0, /* as number */ | |
| 1474 &BufferAsSeq, /* as sequence */ | |
| 1475 0, /* as mapping */ | |
| 1476 | |
| 1477 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 1478 (ternaryfunc) 0, /* tp_call, x() */ | |
| 1479 (reprfunc) 0, /* tp_str, str(x) */ | |
| 1480 }; | |
| 1481 | |
| 1482 /* Buffer object - Implementation | |
| 1483 */ | |
| 1484 | |
| 1485 static PyObject * | |
| 1486 BufferNew(buf_T *buf) | |
| 1487 { | |
| 1488 /* We need to handle deletion of buffers underneath us. | |
| 502 | 1489 * If we add a "b_python_ref" field to the buf_T structure, |
| 7 | 1490 * then we can get at it in buf_freeall() in vim. We then |
| 1491 * need to create only ONE Python object per buffer - if | |
| 1492 * we try to create a second, just INCREF the existing one | |
| 1493 * and return it. The (single) Python object referring to | |
| 502 | 1494 * the buffer is stored in "b_python_ref". |
| 7 | 1495 * Question: what to do on a buf_freeall(). We'll probably |
| 1496 * have to either delete the Python object (DECREF it to | |
| 1497 * zero - a bad idea, as it leaves dangling refs!) or | |
| 1498 * set the buf_T * value to an invalid value (-1?), which | |
| 1499 * means we need checks in all access functions... Bah. | |
| 1500 */ | |
| 1501 | |
| 1502 BufferObject *self; | |
| 1503 | |
| 502 | 1504 if (buf->b_python_ref != NULL) |
| 7 | 1505 { |
| 502 | 1506 self = buf->b_python_ref; |
| 7 | 1507 Py_INCREF(self); |
| 1508 } | |
| 1509 else | |
| 1510 { | |
| 1511 self = PyObject_NEW(BufferObject, &BufferType); | |
| 1512 if (self == NULL) | |
| 1513 return NULL; | |
| 1514 self->buf = buf; | |
| 502 | 1515 buf->b_python_ref = self; |
| 7 | 1516 } |
| 1517 | |
| 1518 return (PyObject *)(self); | |
| 1519 } | |
| 1520 | |
| 1521 static void | |
| 1522 BufferDestructor(PyObject *self) | |
| 1523 { | |
| 1524 BufferObject *this = (BufferObject *)(self); | |
| 1525 | |
| 1526 if (this->buf && this->buf != INVALID_BUFFER_VALUE) | |
| 502 | 1527 this->buf->b_python_ref = NULL; |
| 7 | 1528 |
| 986 | 1529 Py_DECREF(self); |
| 7 | 1530 } |
| 1531 | |
| 1532 static PyObject * | |
| 1533 BufferGetattr(PyObject *self, char *name) | |
| 1534 { | |
| 1535 BufferObject *this = (BufferObject *)(self); | |
| 1536 | |
| 1537 if (CheckBuffer(this)) | |
| 1538 return NULL; | |
| 1539 | |
| 1540 if (strcmp(name, "name") == 0) | |
| 1607 | 1541 return Py_BuildValue("s", this->buf->b_ffname); |
| 7 | 1542 else if (strcmp(name, "number") == 0) |
| 1607 | 1543 return Py_BuildValue(Py_ssize_t_fmt, this->buf->b_fnum); |
| 7 | 1544 else if (strcmp(name,"__members__") == 0) |
| 1545 return Py_BuildValue("[ss]", "name", "number"); | |
| 1546 else | |
| 1547 return Py_FindMethod(BufferMethods, self, name); | |
| 1548 } | |
| 1549 | |
| 1550 static PyObject * | |
| 1551 BufferRepr(PyObject *self) | |
| 1552 { | |
| 274 | 1553 static char repr[100]; |
| 7 | 1554 BufferObject *this = (BufferObject *)(self); |
| 1555 | |
| 1556 if (this->buf == INVALID_BUFFER_VALUE) | |
| 1557 { | |
| 1607 | 1558 vim_snprintf(repr, 100, _("<buffer object (deleted) at %p>"), (self)); |
| 7 | 1559 return PyString_FromString(repr); |
| 1560 } | |
| 1561 else | |
| 1562 { | |
| 1563 char *name = (char *)this->buf->b_fname; | |
| 1607 | 1564 PyInt len; |
| 7 | 1565 |
| 1566 if (name == NULL) | |
| 1567 name = ""; | |
| 1568 len = strlen(name); | |
| 1569 | |
| 1570 if (len > 35) | |
| 1571 name = name + (35 - len); | |
| 1572 | |
| 274 | 1573 vim_snprintf(repr, 100, "<buffer %s%s>", len > 35 ? "..." : "", name); |
| 7 | 1574 |
| 1575 return PyString_FromString(repr); | |
| 1576 } | |
| 1577 } | |
| 1578 | |
| 1579 /******************/ | |
| 1580 | |
| 1594 | 1581 static PyInt |
| 7 | 1582 BufferLength(PyObject *self) |
| 1583 { | |
| 1584 /* HOW DO WE SIGNAL AN ERROR FROM THIS FUNCTION? */ | |
| 1585 if (CheckBuffer((BufferObject *)(self))) | |
| 1586 return -1; /* ??? */ | |
| 1587 | |
| 1588 return (((BufferObject *)(self))->buf->b_ml.ml_line_count); | |
| 1589 } | |
| 1590 | |
| 1591 static PyObject * | |
| 1594 | 1592 BufferItem(PyObject *self, PyInt n) |
| 7 | 1593 { |
| 1594 return RBItem((BufferObject *)(self), n, 1, | |
| 1595 (int)((BufferObject *)(self))->buf->b_ml.ml_line_count); | |
| 1596 } | |
| 1597 | |
| 1598 static PyObject * | |
| 1594 | 1599 BufferSlice(PyObject *self, PyInt lo, PyInt hi) |
| 7 | 1600 { |
| 1601 return RBSlice((BufferObject *)(self), lo, hi, 1, | |
| 1602 (int)((BufferObject *)(self))->buf->b_ml.ml_line_count); | |
| 1603 } | |
| 1604 | |
| 1594 | 1605 static PyInt |
| 1606 BufferAssItem(PyObject *self, PyInt n, PyObject *val) | |
| 7 | 1607 { |
| 1608 return RBAssItem((BufferObject *)(self), n, val, 1, | |
| 1607 | 1609 (PyInt)((BufferObject *)(self))->buf->b_ml.ml_line_count, |
| 7 | 1610 NULL); |
| 1611 } | |
| 1612 | |
| 1594 | 1613 static PyInt |
| 1614 BufferAssSlice(PyObject *self, PyInt lo, PyInt hi, PyObject *val) | |
| 7 | 1615 { |
| 1616 return RBAssSlice((BufferObject *)(self), lo, hi, val, 1, | |
| 1607 | 1617 (PyInt)((BufferObject *)(self))->buf->b_ml.ml_line_count, |
| 7 | 1618 NULL); |
| 1619 } | |
| 1620 | |
| 1621 static PyObject * | |
| 1622 BufferAppend(PyObject *self, PyObject *args) | |
| 1623 { | |
| 1624 return RBAppend((BufferObject *)(self), args, 1, | |
| 1607 | 1625 (PyInt)((BufferObject *)(self))->buf->b_ml.ml_line_count, |
| 7 | 1626 NULL); |
| 1627 } | |
| 1628 | |
| 1629 static PyObject * | |
| 1630 BufferMark(PyObject *self, PyObject *args) | |
| 1631 { | |
| 1632 pos_T *posp; | |
| 1633 char mark; | |
| 1634 buf_T *curbuf_save; | |
| 1635 | |
| 1636 if (CheckBuffer((BufferObject *)(self))) | |
| 1637 return NULL; | |
| 1638 | |
| 1639 if (!PyArg_ParseTuple(args, "c", &mark)) | |
| 1640 return NULL; | |
| 1641 | |
| 1642 curbuf_save = curbuf; | |
| 1643 curbuf = ((BufferObject *)(self))->buf; | |
| 1644 posp = getmark(mark, FALSE); | |
| 1645 curbuf = curbuf_save; | |
| 1646 | |
| 1647 if (posp == NULL) | |
| 1648 { | |
| 1649 PyErr_SetVim(_("invalid mark name")); | |
| 1650 return NULL; | |
| 1651 } | |
| 1652 | |
| 1653 /* Ckeck for keyboard interrupt */ | |
| 1654 if (VimErrorCheck()) | |
| 1655 return NULL; | |
| 1656 | |
| 1657 if (posp->lnum <= 0) | |
| 1658 { | |
| 1659 /* Or raise an error? */ | |
| 1660 Py_INCREF(Py_None); | |
| 1661 return Py_None; | |
| 1662 } | |
| 1663 | |
| 1664 return Py_BuildValue("(ll)", (long)(posp->lnum), (long)(posp->col)); | |
| 1665 } | |
| 1666 | |
| 1667 static PyObject * | |
| 1668 BufferRange(PyObject *self, PyObject *args) | |
| 1669 { | |
| 1607 | 1670 PyInt start; |
| 1671 PyInt end; | |
| 7 | 1672 |
| 1673 if (CheckBuffer((BufferObject *)(self))) | |
| 1674 return NULL; | |
| 1675 | |
| 1607 | 1676 if (!PyArg_ParseTuple(args, Py_ssize_t_fmt Py_ssize_t_fmt, &start, &end)) |
| 7 | 1677 return NULL; |
| 1678 | |
| 1679 return RangeNew(((BufferObject *)(self))->buf, start, end); | |
| 1680 } | |
| 1681 | |
| 1682 /* Line range object - Definitions | |
| 1683 */ | |
| 1684 | |
| 1685 static struct PyMethodDef RangeMethods[] = { | |
| 1686 /* name, function, calling, documentation */ | |
| 1607 | 1687 {"append", RangeAppend, 1, "Append data to the Vim range" }, |
| 7 | 1688 { NULL, NULL, 0, NULL } |
| 1689 }; | |
| 1690 | |
| 1691 static PySequenceMethods RangeAsSeq = { | |
| 1594 | 1692 (PyInquiry) RangeLength, /* sq_length, len(x) */ |
| 7 | 1693 (binaryfunc) 0, /* RangeConcat, */ /* sq_concat, x+y */ |
| 1594 | 1694 (PyIntArgFunc) 0, /* RangeRepeat, */ /* sq_repeat, x*n */ |
| 1695 (PyIntArgFunc) RangeItem, /* sq_item, x[i] */ | |
| 1696 (PyIntIntArgFunc) RangeSlice, /* sq_slice, x[i:j] */ | |
| 1697 (PyIntObjArgProc) RangeAssItem, /* sq_ass_item, x[i]=v */ | |
| 1698 (PyIntIntObjArgProc) RangeAssSlice, /* sq_ass_slice, x[i:j]=v */ | |
| 7 | 1699 }; |
| 1700 | |
| 1701 static PyTypeObject RangeType = { | |
| 1702 PyObject_HEAD_INIT(0) | |
| 1703 0, | |
| 1704 "range", | |
| 1705 sizeof(RangeObject), | |
| 1706 0, | |
| 1707 | |
| 1708 (destructor) RangeDestructor, /* tp_dealloc, refcount==0 */ | |
| 1709 (printfunc) 0, /* tp_print, print x */ | |
| 1710 (getattrfunc) RangeGetattr, /* tp_getattr, x.attr */ | |
| 1711 (setattrfunc) 0, /* tp_setattr, x.attr=v */ | |
| 1712 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 1713 (reprfunc) RangeRepr, /* tp_repr, `x`, print x */ | |
| 1714 | |
| 1715 0, /* as number */ | |
| 1716 &RangeAsSeq, /* as sequence */ | |
| 1717 0, /* as mapping */ | |
| 1718 | |
| 1719 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 1720 (ternaryfunc) 0, /* tp_call, x() */ | |
| 1721 (reprfunc) 0, /* tp_str, str(x) */ | |
| 1722 }; | |
| 1723 | |
| 1724 /* Line range object - Implementation | |
| 1725 */ | |
| 1726 | |
| 1727 static PyObject * | |
| 1607 | 1728 RangeNew(buf_T *buf, PyInt start, PyInt end) |
| 7 | 1729 { |
| 1730 BufferObject *bufr; | |
| 1731 RangeObject *self; | |
| 1732 self = PyObject_NEW(RangeObject, &RangeType); | |
| 1733 if (self == NULL) | |
| 1734 return NULL; | |
| 1735 | |
| 1736 bufr = (BufferObject *)BufferNew(buf); | |
| 1737 if (bufr == NULL) | |
| 1738 { | |
| 986 | 1739 Py_DECREF(self); |
| 7 | 1740 return NULL; |
| 1741 } | |
| 1742 Py_INCREF(bufr); | |
| 1743 | |
| 1744 self->buf = bufr; | |
| 1745 self->start = start; | |
| 1746 self->end = end; | |
| 1747 | |
| 1748 return (PyObject *)(self); | |
| 1749 } | |
| 1750 | |
| 1751 static void | |
| 1752 RangeDestructor(PyObject *self) | |
| 1753 { | |
| 1754 Py_DECREF(((RangeObject *)(self))->buf); | |
| 986 | 1755 Py_DECREF(self); |
| 7 | 1756 } |
| 1757 | |
| 1758 static PyObject * | |
| 1759 RangeGetattr(PyObject *self, char *name) | |
| 1760 { | |
| 1761 if (strcmp(name, "start") == 0) | |
| 1607 | 1762 return Py_BuildValue(Py_ssize_t_fmt, ((RangeObject *)(self))->start - 1); |
| 7 | 1763 else if (strcmp(name, "end") == 0) |
| 1607 | 1764 return Py_BuildValue(Py_ssize_t_fmt, ((RangeObject *)(self))->end - 1); |
| 7 | 1765 else |
| 1766 return Py_FindMethod(RangeMethods, self, name); | |
| 1767 } | |
| 1768 | |
| 1769 static PyObject * | |
| 1770 RangeRepr(PyObject *self) | |
| 1771 { | |
| 274 | 1772 static char repr[100]; |
| 7 | 1773 RangeObject *this = (RangeObject *)(self); |
| 1774 | |
| 1775 if (this->buf->buf == INVALID_BUFFER_VALUE) | |
| 1776 { | |
| 1607 | 1777 vim_snprintf(repr, 100, "<range object (for deleted buffer) at %p>", |
| 1778 (self)); | |
| 7 | 1779 return PyString_FromString(repr); |
| 1780 } | |
| 1781 else | |
| 1782 { | |
| 1783 char *name = (char *)this->buf->buf->b_fname; | |
| 1784 int len; | |
| 1785 | |
| 1786 if (name == NULL) | |
| 1787 name = ""; | |
| 1668 | 1788 len = (int)strlen(name); |
| 7 | 1789 |
| 1790 if (len > 45) | |
| 1791 name = name + (45 - len); | |
| 1792 | |
| 274 | 1793 vim_snprintf(repr, 100, "<range %s%s (%d:%d)>", |
| 7 | 1794 len > 45 ? "..." : "", name, |
| 1795 this->start, this->end); | |
| 1796 | |
| 1797 return PyString_FromString(repr); | |
| 1798 } | |
| 1799 } | |
| 1800 | |
| 1801 /****************/ | |
| 1802 | |
| 1594 | 1803 static PyInt |
| 7 | 1804 RangeLength(PyObject *self) |
| 1805 { | |
| 1806 /* HOW DO WE SIGNAL AN ERROR FROM THIS FUNCTION? */ | |
| 1807 if (CheckBuffer(((RangeObject *)(self))->buf)) | |
| 1808 return -1; /* ??? */ | |
| 1809 | |
| 1810 return (((RangeObject *)(self))->end - ((RangeObject *)(self))->start + 1); | |
| 1811 } | |
| 1812 | |
| 1813 static PyObject * | |
| 1594 | 1814 RangeItem(PyObject *self, PyInt n) |
| 7 | 1815 { |
| 1816 return RBItem(((RangeObject *)(self))->buf, n, | |
| 1817 ((RangeObject *)(self))->start, | |
| 1818 ((RangeObject *)(self))->end); | |
| 1819 } | |
| 1820 | |
| 1821 static PyObject * | |
| 1594 | 1822 RangeSlice(PyObject *self, PyInt lo, PyInt hi) |
| 7 | 1823 { |
| 1824 return RBSlice(((RangeObject *)(self))->buf, lo, hi, | |
| 1825 ((RangeObject *)(self))->start, | |
| 1826 ((RangeObject *)(self))->end); | |
| 1827 } | |
| 1828 | |
| 1594 | 1829 static PyInt |
| 1830 RangeAssItem(PyObject *self, PyInt n, PyObject *val) | |
| 7 | 1831 { |
| 1832 return RBAssItem(((RangeObject *)(self))->buf, n, val, | |
| 1833 ((RangeObject *)(self))->start, | |
| 1834 ((RangeObject *)(self))->end, | |
| 1835 &((RangeObject *)(self))->end); | |
| 1836 } | |
| 1837 | |
| 1594 | 1838 static PyInt |
| 1839 RangeAssSlice(PyObject *self, PyInt lo, PyInt hi, PyObject *val) | |
| 7 | 1840 { |
| 1841 return RBAssSlice(((RangeObject *)(self))->buf, lo, hi, val, | |
| 1842 ((RangeObject *)(self))->start, | |
| 1843 ((RangeObject *)(self))->end, | |
| 1844 &((RangeObject *)(self))->end); | |
| 1845 } | |
| 1846 | |
| 1847 static PyObject * | |
| 1848 RangeAppend(PyObject *self, PyObject *args) | |
| 1849 { | |
| 1850 return RBAppend(((RangeObject *)(self))->buf, args, | |
| 1851 ((RangeObject *)(self))->start, | |
| 1852 ((RangeObject *)(self))->end, | |
| 1853 &((RangeObject *)(self))->end); | |
| 1854 } | |
| 1855 | |
| 1856 /* Buffer list object - Definitions | |
| 1857 */ | |
| 1858 | |
| 1859 typedef struct | |
| 1860 { | |
| 1861 PyObject_HEAD | |
| 1862 } | |
| 1863 BufListObject; | |
| 1864 | |
| 1865 static PySequenceMethods BufListAsSeq = { | |
| 1594 | 1866 (PyInquiry) BufListLength, /* sq_length, len(x) */ |
| 7 | 1867 (binaryfunc) 0, /* sq_concat, x+y */ |
| 1594 | 1868 (PyIntArgFunc) 0, /* sq_repeat, x*n */ |
| 1869 (PyIntArgFunc) BufListItem, /* sq_item, x[i] */ | |
| 1870 (PyIntIntArgFunc) 0, /* sq_slice, x[i:j] */ | |
| 1871 (PyIntObjArgProc) 0, /* sq_ass_item, x[i]=v */ | |
| 1872 (PyIntIntObjArgProc) 0, /* sq_ass_slice, x[i:j]=v */ | |
| 7 | 1873 }; |
| 1874 | |
| 1875 static PyTypeObject BufListType = { | |
| 1876 PyObject_HEAD_INIT(0) | |
| 1877 0, | |
| 1878 "buffer list", | |
| 1879 sizeof(BufListObject), | |
| 1880 0, | |
| 1881 | |
| 1882 (destructor) 0, /* tp_dealloc, refcount==0 */ | |
| 1883 (printfunc) 0, /* tp_print, print x */ | |
| 1884 (getattrfunc) 0, /* tp_getattr, x.attr */ | |
| 1885 (setattrfunc) 0, /* tp_setattr, x.attr=v */ | |
| 1886 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 1887 (reprfunc) 0, /* tp_repr, `x`, print x */ | |
| 1888 | |
| 1889 0, /* as number */ | |
| 1890 &BufListAsSeq, /* as sequence */ | |
| 1891 0, /* as mapping */ | |
| 1892 | |
| 1893 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 1894 (ternaryfunc) 0, /* tp_call, x() */ | |
| 1895 (reprfunc) 0, /* tp_str, str(x) */ | |
| 1896 }; | |
| 1897 | |
| 1898 /* Buffer list object - Implementation | |
| 1899 */ | |
| 1900 | |
| 1594 | 1901 static PyInt |
| 1887 | 1902 BufListLength(PyObject *self UNUSED) |
| 7 | 1903 { |
| 1904 buf_T *b = firstbuf; | |
| 1607 | 1905 PyInt n = 0; |
| 7 | 1906 |
| 1907 while (b) | |
| 1908 { | |
| 1909 ++n; | |
| 1910 b = b->b_next; | |
| 1911 } | |
| 1912 | |
| 1913 return n; | |
| 1914 } | |
| 1915 | |
| 1916 static PyObject * | |
| 1887 | 1917 BufListItem(PyObject *self UNUSED, PyInt n) |
| 7 | 1918 { |
| 1919 buf_T *b; | |
| 1920 | |
| 1921 for (b = firstbuf; b; b = b->b_next, --n) | |
| 1922 { | |
| 1923 if (n == 0) | |
| 1924 return BufferNew(b); | |
| 1925 } | |
| 1926 | |
| 1927 PyErr_SetString(PyExc_IndexError, _("no such buffer")); | |
| 1928 return NULL; | |
| 1929 } | |
| 1930 | |
| 1931 /* Window object - Definitions | |
| 1932 */ | |
| 1933 | |
| 1934 static struct PyMethodDef WindowMethods[] = { | |
| 1935 /* name, function, calling, documentation */ | |
| 1936 { NULL, NULL, 0, NULL } | |
| 1937 }; | |
| 1938 | |
| 1939 static PyTypeObject WindowType = { | |
| 1940 PyObject_HEAD_INIT(0) | |
| 1941 0, | |
| 1942 "window", | |
| 1943 sizeof(WindowObject), | |
| 1944 0, | |
| 1945 | |
| 1946 (destructor) WindowDestructor, /* tp_dealloc, refcount==0 */ | |
| 1947 (printfunc) 0, /* tp_print, print x */ | |
| 1948 (getattrfunc) WindowGetattr, /* tp_getattr, x.attr */ | |
| 1949 (setattrfunc) WindowSetattr, /* tp_setattr, x.attr=v */ | |
| 1950 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 1951 (reprfunc) WindowRepr, /* tp_repr, `x`, print x */ | |
| 1952 | |
| 1953 0, /* as number */ | |
| 1954 0, /* as sequence */ | |
| 1955 0, /* as mapping */ | |
| 1956 | |
| 1957 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 1958 (ternaryfunc) 0, /* tp_call, x() */ | |
| 1959 (reprfunc) 0, /* tp_str, str(x) */ | |
| 1960 }; | |
| 1961 | |
| 1962 /* Window object - Implementation | |
| 1963 */ | |
| 1964 | |
| 1965 static PyObject * | |
| 1966 WindowNew(win_T *win) | |
| 1967 { | |
| 1968 /* We need to handle deletion of windows underneath us. | |
| 502 | 1969 * If we add a "w_python_ref" field to the win_T structure, |
| 7 | 1970 * then we can get at it in win_free() in vim. We then |
| 1971 * need to create only ONE Python object per window - if | |
| 1972 * we try to create a second, just INCREF the existing one | |
| 1973 * and return it. The (single) Python object referring to | |
| 502 | 1974 * the window is stored in "w_python_ref". |
| 7 | 1975 * On a win_free() we set the Python object's win_T* field |
| 1976 * to an invalid value. We trap all uses of a window | |
| 1977 * object, and reject them if the win_T* field is invalid. | |
| 1978 */ | |
| 1979 | |
| 1980 WindowObject *self; | |
| 1981 | |
| 502 | 1982 if (win->w_python_ref) |
| 7 | 1983 { |
| 502 | 1984 self = win->w_python_ref; |
| 7 | 1985 Py_INCREF(self); |
| 1986 } | |
| 1987 else | |
| 1988 { | |
| 1989 self = PyObject_NEW(WindowObject, &WindowType); | |
| 1990 if (self == NULL) | |
| 1991 return NULL; | |
| 1992 self->win = win; | |
| 502 | 1993 win->w_python_ref = self; |
| 7 | 1994 } |
| 1995 | |
| 1996 return (PyObject *)(self); | |
| 1997 } | |
| 1998 | |
| 1999 static void | |
| 2000 WindowDestructor(PyObject *self) | |
| 2001 { | |
| 2002 WindowObject *this = (WindowObject *)(self); | |
| 2003 | |
| 2004 if (this->win && this->win != INVALID_WINDOW_VALUE) | |
| 502 | 2005 this->win->w_python_ref = NULL; |
| 7 | 2006 |
| 986 | 2007 Py_DECREF(self); |
| 7 | 2008 } |
| 2009 | |
| 2010 static int | |
| 2011 CheckWindow(WindowObject *this) | |
| 2012 { | |
| 2013 if (this->win == INVALID_WINDOW_VALUE) | |
| 2014 { | |
| 2015 PyErr_SetVim(_("attempt to refer to deleted window")); | |
| 2016 return -1; | |
| 2017 } | |
| 2018 | |
| 2019 return 0; | |
| 2020 } | |
| 2021 | |
| 2022 static PyObject * | |
| 2023 WindowGetattr(PyObject *self, char *name) | |
| 2024 { | |
| 2025 WindowObject *this = (WindowObject *)(self); | |
| 2026 | |
| 2027 if (CheckWindow(this)) | |
| 2028 return NULL; | |
| 2029 | |
| 2030 if (strcmp(name, "buffer") == 0) | |
| 2031 return (PyObject *)BufferNew(this->win->w_buffer); | |
| 2032 else if (strcmp(name, "cursor") == 0) | |
| 2033 { | |
| 2034 pos_T *pos = &this->win->w_cursor; | |
| 2035 | |
| 2036 return Py_BuildValue("(ll)", (long)(pos->lnum), (long)(pos->col)); | |
| 2037 } | |
| 2038 else if (strcmp(name, "height") == 0) | |
| 2039 return Py_BuildValue("l", (long)(this->win->w_height)); | |
| 2040 #ifdef FEAT_VERTSPLIT | |
| 2041 else if (strcmp(name, "width") == 0) | |
| 2042 return Py_BuildValue("l", (long)(W_WIDTH(this->win))); | |
| 2043 #endif | |
| 2044 else if (strcmp(name,"__members__") == 0) | |
| 2045 return Py_BuildValue("[sss]", "buffer", "cursor", "height"); | |
| 2046 else | |
| 2047 return Py_FindMethod(WindowMethods, self, name); | |
| 2048 } | |
| 2049 | |
| 2050 static int | |
| 2051 WindowSetattr(PyObject *self, char *name, PyObject *val) | |
| 2052 { | |
| 2053 WindowObject *this = (WindowObject *)(self); | |
| 2054 | |
| 2055 if (CheckWindow(this)) | |
| 2056 return -1; | |
| 2057 | |
| 2058 if (strcmp(name, "buffer") == 0) | |
| 2059 { | |
| 2060 PyErr_SetString(PyExc_TypeError, _("readonly attribute")); | |
| 2061 return -1; | |
| 2062 } | |
| 2063 else if (strcmp(name, "cursor") == 0) | |
| 2064 { | |
| 2065 long lnum; | |
| 2066 long col; | |
| 1971 | 2067 long len; |
| 7 | 2068 |
| 2069 if (!PyArg_Parse(val, "(ll)", &lnum, &col)) | |
| 2070 return -1; | |
| 2071 | |
| 2072 if (lnum <= 0 || lnum > this->win->w_buffer->b_ml.ml_line_count) | |
| 2073 { | |
| 2074 PyErr_SetVim(_("cursor position outside buffer")); | |
| 2075 return -1; | |
| 2076 } | |
| 2077 | |
| 2078 /* Check for keyboard interrupts */ | |
| 2079 if (VimErrorCheck()) | |
| 2080 return -1; | |
| 2081 | |
| 1971 | 2082 /* When column is out of range silently correct it. */ |
|
2100
7d121c69f540
updated for version 7.2.383
Bram Moolenaar <bram@zimbu.org>
parents:
1991
diff
changeset
|
2083 len = (long)STRLEN(ml_get_buf(this->win->w_buffer, lnum, FALSE)); |
| 1971 | 2084 if (col > len) |
| 2085 col = len; | |
| 7 | 2086 |
| 2087 this->win->w_cursor.lnum = lnum; | |
| 2088 this->win->w_cursor.col = col; | |
| 1971 | 2089 #ifdef FEAT_VIRTUALEDIT |
| 2090 this->win->w_cursor.coladd = 0; | |
| 2091 #endif | |
| 7 | 2092 update_screen(VALID); |
| 2093 | |
| 2094 return 0; | |
| 2095 } | |
| 2096 else if (strcmp(name, "height") == 0) | |
| 2097 { | |
| 2098 int height; | |
| 2099 win_T *savewin; | |
| 2100 | |
| 2101 if (!PyArg_Parse(val, "i", &height)) | |
| 2102 return -1; | |
| 2103 | |
| 2104 #ifdef FEAT_GUI | |
| 2105 need_mouse_correct = TRUE; | |
| 2106 #endif | |
| 2107 savewin = curwin; | |
| 2108 curwin = this->win; | |
| 2109 win_setheight(height); | |
| 2110 curwin = savewin; | |
| 2111 | |
| 2112 /* Check for keyboard interrupts */ | |
| 2113 if (VimErrorCheck()) | |
| 2114 return -1; | |
| 2115 | |
| 2116 return 0; | |
| 2117 } | |
| 2118 #ifdef FEAT_VERTSPLIT | |
| 2119 else if (strcmp(name, "width") == 0) | |
| 2120 { | |
| 2121 int width; | |
| 2122 win_T *savewin; | |
| 2123 | |
| 2124 if (!PyArg_Parse(val, "i", &width)) | |
| 2125 return -1; | |
| 2126 | |
| 2127 #ifdef FEAT_GUI | |
| 2128 need_mouse_correct = TRUE; | |
| 2129 #endif | |
| 2130 savewin = curwin; | |
| 2131 curwin = this->win; | |
| 2132 win_setwidth(width); | |
| 2133 curwin = savewin; | |
| 2134 | |
| 2135 /* Check for keyboard interrupts */ | |
| 2136 if (VimErrorCheck()) | |
| 2137 return -1; | |
| 2138 | |
| 2139 return 0; | |
| 2140 } | |
| 2141 #endif | |
| 2142 else | |
| 2143 { | |
| 2144 PyErr_SetString(PyExc_AttributeError, name); | |
| 2145 return -1; | |
| 2146 } | |
| 2147 } | |
| 2148 | |
| 2149 static PyObject * | |
| 2150 WindowRepr(PyObject *self) | |
| 2151 { | |
| 274 | 2152 static char repr[100]; |
| 7 | 2153 WindowObject *this = (WindowObject *)(self); |
| 2154 | |
| 2155 if (this->win == INVALID_WINDOW_VALUE) | |
| 2156 { | |
| 1607 | 2157 vim_snprintf(repr, 100, _("<window object (deleted) at %p>"), (self)); |
| 7 | 2158 return PyString_FromString(repr); |
| 2159 } | |
| 2160 else | |
| 2161 { | |
| 2162 int i = 0; | |
| 2163 win_T *w; | |
| 2164 | |
| 2165 for (w = firstwin; w != NULL && w != this->win; w = W_NEXT(w)) | |
| 2166 ++i; | |
| 2167 | |
| 2168 if (w == NULL) | |
| 1607 | 2169 vim_snprintf(repr, 100, _("<window object (unknown) at %p>"), |
| 2170 (self)); | |
| 7 | 2171 else |
| 274 | 2172 vim_snprintf(repr, 100, _("<window %d>"), i); |
| 7 | 2173 |
| 2174 return PyString_FromString(repr); | |
| 2175 } | |
| 2176 } | |
| 2177 | |
| 2178 /* Window list object - Definitions | |
| 2179 */ | |
| 2180 | |
| 2181 typedef struct | |
| 2182 { | |
| 2183 PyObject_HEAD | |
| 2184 } | |
| 2185 WinListObject; | |
| 2186 | |
| 2187 static PySequenceMethods WinListAsSeq = { | |
| 1594 | 2188 (PyInquiry) WinListLength, /* sq_length, len(x) */ |
| 7 | 2189 (binaryfunc) 0, /* sq_concat, x+y */ |
| 1594 | 2190 (PyIntArgFunc) 0, /* sq_repeat, x*n */ |
| 2191 (PyIntArgFunc) WinListItem, /* sq_item, x[i] */ | |
| 2192 (PyIntIntArgFunc) 0, /* sq_slice, x[i:j] */ | |
| 2193 (PyIntObjArgProc) 0, /* sq_ass_item, x[i]=v */ | |
| 2194 (PyIntIntObjArgProc) 0, /* sq_ass_slice, x[i:j]=v */ | |
| 7 | 2195 }; |
| 2196 | |
| 2197 static PyTypeObject WinListType = { | |
| 2198 PyObject_HEAD_INIT(0) | |
| 2199 0, | |
| 2200 "window list", | |
| 2201 sizeof(WinListObject), | |
| 2202 0, | |
| 2203 | |
| 2204 (destructor) 0, /* tp_dealloc, refcount==0 */ | |
| 2205 (printfunc) 0, /* tp_print, print x */ | |
| 2206 (getattrfunc) 0, /* tp_getattr, x.attr */ | |
| 2207 (setattrfunc) 0, /* tp_setattr, x.attr=v */ | |
| 2208 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 2209 (reprfunc) 0, /* tp_repr, `x`, print x */ | |
| 2210 | |
| 2211 0, /* as number */ | |
| 2212 &WinListAsSeq, /* as sequence */ | |
| 2213 0, /* as mapping */ | |
| 2214 | |
| 2215 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 2216 (ternaryfunc) 0, /* tp_call, x() */ | |
| 2217 (reprfunc) 0, /* tp_str, str(x) */ | |
| 2218 }; | |
| 2219 | |
| 2220 /* Window list object - Implementation | |
| 2221 */ | |
| 1594 | 2222 static PyInt |
| 1887 | 2223 WinListLength(PyObject *self UNUSED) |
| 7 | 2224 { |
| 2225 win_T *w = firstwin; | |
| 1607 | 2226 PyInt n = 0; |
| 7 | 2227 |
| 671 | 2228 while (w != NULL) |
| 7 | 2229 { |
| 2230 ++n; | |
| 2231 w = W_NEXT(w); | |
| 2232 } | |
| 2233 | |
| 2234 return n; | |
| 2235 } | |
| 2236 | |
| 2237 static PyObject * | |
| 1887 | 2238 WinListItem(PyObject *self UNUSED, PyInt n) |
| 7 | 2239 { |
| 2240 win_T *w; | |
| 2241 | |
| 671 | 2242 for (w = firstwin; w != NULL; w = W_NEXT(w), --n) |
| 7 | 2243 if (n == 0) |
| 2244 return WindowNew(w); | |
| 2245 | |
| 2246 PyErr_SetString(PyExc_IndexError, _("no such window")); | |
| 2247 return NULL; | |
| 2248 } | |
| 2249 | |
| 2250 /* Current items object - Definitions | |
| 2251 */ | |
| 2252 | |
| 2253 typedef struct | |
| 2254 { | |
| 2255 PyObject_HEAD | |
| 2256 } | |
| 2257 CurrentObject; | |
| 2258 | |
| 2259 static PyTypeObject CurrentType = { | |
| 2260 PyObject_HEAD_INIT(0) | |
| 2261 0, | |
| 2262 "current data", | |
| 2263 sizeof(CurrentObject), | |
| 2264 0, | |
| 2265 | |
| 2266 (destructor) 0, /* tp_dealloc, refcount==0 */ | |
| 2267 (printfunc) 0, /* tp_print, print x */ | |
| 2268 (getattrfunc) CurrentGetattr, /* tp_getattr, x.attr */ | |
| 2269 (setattrfunc) CurrentSetattr, /* tp_setattr, x.attr=v */ | |
| 2270 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 2271 (reprfunc) 0, /* tp_repr, `x`, print x */ | |
| 2272 | |
| 2273 0, /* as number */ | |
| 2274 0, /* as sequence */ | |
| 2275 0, /* as mapping */ | |
| 2276 | |
| 2277 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 2278 (ternaryfunc) 0, /* tp_call, x() */ | |
| 2279 (reprfunc) 0, /* tp_str, str(x) */ | |
| 2280 }; | |
| 2281 | |
| 2282 /* Current items object - Implementation | |
| 2283 */ | |
| 2284 static PyObject * | |
| 1887 | 2285 CurrentGetattr(PyObject *self UNUSED, char *name) |
| 7 | 2286 { |
| 2287 if (strcmp(name, "buffer") == 0) | |
| 2288 return (PyObject *)BufferNew(curbuf); | |
| 2289 else if (strcmp(name, "window") == 0) | |
| 2290 return (PyObject *)WindowNew(curwin); | |
| 2291 else if (strcmp(name, "line") == 0) | |
| 1607 | 2292 return GetBufferLine(curbuf, (PyInt)curwin->w_cursor.lnum); |
| 7 | 2293 else if (strcmp(name, "range") == 0) |
| 2294 return RangeNew(curbuf, RangeStart, RangeEnd); | |
| 2295 else if (strcmp(name,"__members__") == 0) | |
| 2296 return Py_BuildValue("[ssss]", "buffer", "window", "line", "range"); | |
| 2297 else | |
| 2298 { | |
| 2299 PyErr_SetString(PyExc_AttributeError, name); | |
| 2300 return NULL; | |
| 2301 } | |
| 2302 } | |
| 2303 | |
| 2304 static int | |
| 1887 | 2305 CurrentSetattr(PyObject *self UNUSED, char *name, PyObject *value) |
| 7 | 2306 { |
| 2307 if (strcmp(name, "line") == 0) | |
| 2308 { | |
| 1607 | 2309 if (SetBufferLine(curbuf, (PyInt)curwin->w_cursor.lnum, value, NULL) == FAIL) |
| 7 | 2310 return -1; |
| 2311 | |
| 2312 return 0; | |
| 2313 } | |
| 2314 else | |
| 2315 { | |
| 2316 PyErr_SetString(PyExc_AttributeError, name); | |
| 2317 return -1; | |
| 2318 } | |
| 2319 } | |
| 2320 | |
| 2321 /* External interface | |
| 2322 */ | |
| 2323 | |
| 2324 void | |
| 2325 python_buffer_free(buf_T *buf) | |
| 2326 { | |
| 502 | 2327 if (buf->b_python_ref != NULL) |
| 7 | 2328 { |
| 502 | 2329 BufferObject *bp = buf->b_python_ref; |
| 7 | 2330 bp->buf = INVALID_BUFFER_VALUE; |
| 502 | 2331 buf->b_python_ref = NULL; |
| 7 | 2332 } |
| 2333 } | |
| 2334 | |
| 2335 #if defined(FEAT_WINDOWS) || defined(PROTO) | |
| 2336 void | |
| 2337 python_window_free(win_T *win) | |
| 2338 { | |
| 502 | 2339 if (win->w_python_ref != NULL) |
| 7 | 2340 { |
| 502 | 2341 WindowObject *wp = win->w_python_ref; |
| 7 | 2342 wp->win = INVALID_WINDOW_VALUE; |
| 502 | 2343 win->w_python_ref = NULL; |
| 7 | 2344 } |
| 2345 } | |
| 2346 #endif | |
| 2347 | |
| 2348 static BufListObject TheBufferList = | |
| 2349 { | |
| 2350 PyObject_HEAD_INIT(&BufListType) | |
| 2351 }; | |
| 2352 | |
| 2353 static WinListObject TheWindowList = | |
| 2354 { | |
| 2355 PyObject_HEAD_INIT(&WinListType) | |
| 2356 }; | |
| 2357 | |
| 2358 static CurrentObject TheCurrent = | |
| 2359 { | |
| 2360 PyObject_HEAD_INIT(&CurrentType) | |
| 2361 }; | |
| 2362 | |
| 2363 static int | |
| 2364 PythonMod_Init(void) | |
| 2365 { | |
| 2366 PyObject *mod; | |
| 2367 PyObject *dict; | |
| 1748 | 2368 /* The special value is removed from sys.path in Python_Init(). */ |
| 2369 static char *(argv[2]) = {"/must>not&exist/foo", NULL}; | |
| 7 | 2370 |
| 2371 /* Fixups... */ | |
| 2372 BufferType.ob_type = &PyType_Type; | |
| 2373 RangeType.ob_type = &PyType_Type; | |
| 2374 WindowType.ob_type = &PyType_Type; | |
| 2375 BufListType.ob_type = &PyType_Type; | |
| 2376 WinListType.ob_type = &PyType_Type; | |
| 2377 CurrentType.ob_type = &PyType_Type; | |
| 2378 | |
| 2379 /* Set sys.argv[] to avoid a crash in warn(). */ | |
| 2380 PySys_SetArgv(1, argv); | |
| 2381 | |
| 1607 | 2382 mod = Py_InitModule4("vim", VimMethods, (char *)NULL, (PyObject *)NULL, PYTHON_API_VERSION); |
| 7 | 2383 dict = PyModule_GetDict(mod); |
| 2384 | |
| 2385 VimError = Py_BuildValue("s", "vim.error"); | |
| 2386 | |
| 2387 PyDict_SetItemString(dict, "error", VimError); | |
| 135 | 2388 PyDict_SetItemString(dict, "buffers", (PyObject *)(void *)&TheBufferList); |
| 2389 PyDict_SetItemString(dict, "current", (PyObject *)(void *)&TheCurrent); | |
| 2390 PyDict_SetItemString(dict, "windows", (PyObject *)(void *)&TheWindowList); | |
| 7 | 2391 |
| 2392 if (PyErr_Occurred()) | |
| 2393 return -1; | |
| 2394 | |
| 2395 return 0; | |
| 2396 } | |
| 2397 | |
| 2398 /************************************************************************* | |
| 2399 * 4. Utility functions for handling the interface between Vim and Python. | |
| 2400 */ | |
| 2401 | |
| 2402 /* Get a line from the specified buffer. The line number is | |
| 2403 * in Vim format (1-based). The line is returned as a Python | |
| 2404 * string object. | |
| 2405 */ | |
| 2406 static PyObject * | |
| 1607 | 2407 GetBufferLine(buf_T *buf, PyInt n) |
| 7 | 2408 { |
| 2409 return LineToString((char *)ml_get_buf(buf, (linenr_T)n, FALSE)); | |
| 2410 } | |
| 2411 | |
| 2412 /* Get a list of lines from the specified buffer. The line numbers | |
| 2413 * are in Vim format (1-based). The range is from lo up to, but not | |
| 2414 * including, hi. The list is returned as a Python list of string objects. | |
| 2415 */ | |
| 2416 static PyObject * | |
| 1594 | 2417 GetBufferLineList(buf_T *buf, PyInt lo, PyInt hi) |
| 7 | 2418 { |
| 1594 | 2419 PyInt i; |
| 2420 PyInt n = hi - lo; | |
| 7 | 2421 PyObject *list = PyList_New(n); |
| 2422 | |
| 2423 if (list == NULL) | |
| 2424 return NULL; | |
| 2425 | |
| 2426 for (i = 0; i < n; ++i) | |
| 2427 { | |
| 2428 PyObject *str = LineToString((char *)ml_get_buf(buf, (linenr_T)(lo+i), FALSE)); | |
| 2429 | |
| 2430 /* Error check - was the Python string creation OK? */ | |
| 2431 if (str == NULL) | |
| 2432 { | |
| 2433 Py_DECREF(list); | |
| 2434 return NULL; | |
| 2435 } | |
| 2436 | |
| 2437 /* Set the list item */ | |
| 2438 if (PyList_SetItem(list, i, str)) | |
| 2439 { | |
| 2440 Py_DECREF(str); | |
| 2441 Py_DECREF(list); | |
| 2442 return NULL; | |
| 2443 } | |
| 2444 } | |
| 2445 | |
| 2446 /* The ownership of the Python list is passed to the caller (ie, | |
| 2447 * the caller should Py_DECREF() the object when it is finished | |
| 2448 * with it). | |
| 2449 */ | |
| 2450 | |
| 2451 return list; | |
| 2452 } | |
| 2453 | |
| 2454 /* | |
| 2455 * Check if deleting lines made the cursor position invalid. | |
| 2456 * Changed the lines from "lo" to "hi" and added "extra" lines (negative if | |
| 2457 * deleted). | |
| 2458 */ | |
| 2459 static void | |
| 1607 | 2460 py_fix_cursor(linenr_T lo, linenr_T hi, linenr_T extra) |
| 7 | 2461 { |
| 2462 if (curwin->w_cursor.lnum >= lo) | |
| 2463 { | |
| 2464 /* Adjust the cursor position if it's in/after the changed | |
| 2465 * lines. */ | |
| 2466 if (curwin->w_cursor.lnum >= hi) | |
| 2467 { | |
| 2468 curwin->w_cursor.lnum += extra; | |
| 2469 check_cursor_col(); | |
| 2470 } | |
| 2471 else if (extra < 0) | |
| 2472 { | |
| 2473 curwin->w_cursor.lnum = lo; | |
| 2474 check_cursor(); | |
| 2475 } | |
| 1083 | 2476 else |
| 2477 check_cursor_col(); | |
| 7 | 2478 changed_cline_bef_curs(); |
| 2479 } | |
| 2480 invalidate_botline(); | |
| 2481 } | |
| 2482 | |
| 2483 /* Replace a line in the specified buffer. The line number is | |
| 2484 * in Vim format (1-based). The replacement line is given as | |
| 2485 * a Python string object. The object is checked for validity | |
| 2486 * and correct format. Errors are returned as a value of FAIL. | |
| 2487 * The return value is OK on success. | |
| 2488 * If OK is returned and len_change is not NULL, *len_change | |
| 2489 * is set to the change in the buffer length. | |
| 2490 */ | |
| 2491 static int | |
| 1607 | 2492 SetBufferLine(buf_T *buf, PyInt n, PyObject *line, PyInt *len_change) |
| 7 | 2493 { |
| 2494 /* First of all, we check the thpe of the supplied Python object. | |
| 2495 * There are three cases: | |
| 2496 * 1. NULL, or None - this is a deletion. | |
| 2497 * 2. A string - this is a replacement. | |
| 2498 * 3. Anything else - this is an error. | |
| 2499 */ | |
| 2500 if (line == Py_None || line == NULL) | |
| 2501 { | |
| 2502 buf_T *savebuf = curbuf; | |
| 2503 | |
| 2504 PyErr_Clear(); | |
| 2505 curbuf = buf; | |
| 2506 | |
| 2507 if (u_savedel((linenr_T)n, 1L) == FAIL) | |
| 2508 PyErr_SetVim(_("cannot save undo information")); | |
| 2509 else if (ml_delete((linenr_T)n, FALSE) == FAIL) | |
| 2510 PyErr_SetVim(_("cannot delete line")); | |
| 2511 else | |
| 2512 { | |
| 2513 if (buf == curwin->w_buffer) | |
| 1607 | 2514 py_fix_cursor((linenr_T)n, (linenr_T)n + 1, (linenr_T)-1); |
| 1929 | 2515 deleted_lines_mark((linenr_T)n, 1L); |
| 7 | 2516 } |
| 2517 | |
| 2518 curbuf = savebuf; | |
| 2519 | |
| 2520 if (PyErr_Occurred() || VimErrorCheck()) | |
| 2521 return FAIL; | |
| 2522 | |
| 2523 if (len_change) | |
| 2524 *len_change = -1; | |
| 2525 | |
| 2526 return OK; | |
| 2527 } | |
| 2528 else if (PyString_Check(line)) | |
| 2529 { | |
| 2530 char *save = StringToLine(line); | |
| 2531 buf_T *savebuf = curbuf; | |
| 2532 | |
| 2533 if (save == NULL) | |
| 2534 return FAIL; | |
| 2535 | |
| 2536 /* We do not need to free "save" if ml_replace() consumes it. */ | |
| 2537 PyErr_Clear(); | |
| 2538 curbuf = buf; | |
| 2539 | |
| 2540 if (u_savesub((linenr_T)n) == FAIL) | |
| 2541 { | |
| 2542 PyErr_SetVim(_("cannot save undo information")); | |
| 2543 vim_free(save); | |
| 2544 } | |
| 2545 else if (ml_replace((linenr_T)n, (char_u *)save, FALSE) == FAIL) | |
| 2546 { | |
| 2547 PyErr_SetVim(_("cannot replace line")); | |
| 2548 vim_free(save); | |
| 2549 } | |
| 2550 else | |
| 2551 changed_bytes((linenr_T)n, 0); | |
| 2552 | |
| 2553 curbuf = savebuf; | |
| 2554 | |
| 1083 | 2555 /* Check that the cursor is not beyond the end of the line now. */ |
| 2556 if (buf == curwin->w_buffer) | |
| 2557 check_cursor_col(); | |
| 2558 | |
| 7 | 2559 if (PyErr_Occurred() || VimErrorCheck()) |
| 2560 return FAIL; | |
| 2561 | |
| 2562 if (len_change) | |
| 2563 *len_change = 0; | |
| 2564 | |
| 2565 return OK; | |
| 2566 } | |
| 2567 else | |
| 2568 { | |
| 2569 PyErr_BadArgument(); | |
| 2570 return FAIL; | |
| 2571 } | |
| 2572 } | |
| 2573 | |
| 2574 /* Replace a range of lines in the specified buffer. The line numbers are in | |
| 2575 * Vim format (1-based). The range is from lo up to, but not including, hi. | |
| 2576 * The replacement lines are given as a Python list of string objects. The | |
| 2577 * list is checked for validity and correct format. Errors are returned as a | |
| 2578 * value of FAIL. The return value is OK on success. | |
| 2579 * If OK is returned and len_change is not NULL, *len_change | |
| 2580 * is set to the change in the buffer length. | |
| 2581 */ | |
| 2582 static int | |
| 1607 | 2583 SetBufferLineList(buf_T *buf, PyInt lo, PyInt hi, PyObject *list, PyInt *len_change) |
| 7 | 2584 { |
| 2585 /* First of all, we check the thpe of the supplied Python object. | |
| 2586 * There are three cases: | |
| 2587 * 1. NULL, or None - this is a deletion. | |
| 2588 * 2. A list - this is a replacement. | |
| 2589 * 3. Anything else - this is an error. | |
| 2590 */ | |
| 2591 if (list == Py_None || list == NULL) | |
| 2592 { | |
| 1594 | 2593 PyInt i; |
| 1607 | 2594 PyInt n = (int)(hi - lo); |
| 7 | 2595 buf_T *savebuf = curbuf; |
| 2596 | |
| 2597 PyErr_Clear(); | |
| 2598 curbuf = buf; | |
| 2599 | |
| 2600 if (u_savedel((linenr_T)lo, (long)n) == FAIL) | |
| 2601 PyErr_SetVim(_("cannot save undo information")); | |
| 2602 else | |
| 2603 { | |
| 2604 for (i = 0; i < n; ++i) | |
| 2605 { | |
| 2606 if (ml_delete((linenr_T)lo, FALSE) == FAIL) | |
| 2607 { | |
| 2608 PyErr_SetVim(_("cannot delete line")); | |
| 2609 break; | |
| 2610 } | |
| 2611 } | |
| 2612 if (buf == curwin->w_buffer) | |
| 1607 | 2613 py_fix_cursor((linenr_T)lo, (linenr_T)hi, (linenr_T)-n); |
| 1929 | 2614 deleted_lines_mark((linenr_T)lo, (long)i); |
| 7 | 2615 } |
| 2616 | |
| 2617 curbuf = savebuf; | |
| 2618 | |
| 2619 if (PyErr_Occurred() || VimErrorCheck()) | |
| 2620 return FAIL; | |
| 2621 | |
| 2622 if (len_change) | |
| 2623 *len_change = -n; | |
| 2624 | |
| 2625 return OK; | |
| 2626 } | |
| 2627 else if (PyList_Check(list)) | |
| 2628 { | |
| 1594 | 2629 PyInt i; |
| 2630 PyInt new_len = PyList_Size(list); | |
| 2631 PyInt old_len = hi - lo; | |
| 1607 | 2632 PyInt extra = 0; /* lines added to text, can be negative */ |
| 7 | 2633 char **array; |
| 2634 buf_T *savebuf; | |
| 2635 | |
| 2636 if (new_len == 0) /* avoid allocating zero bytes */ | |
| 2637 array = NULL; | |
| 2638 else | |
| 2639 { | |
| 2640 array = (char **)alloc((unsigned)(new_len * sizeof(char *))); | |
| 2641 if (array == NULL) | |
| 2642 { | |
| 2643 PyErr_NoMemory(); | |
| 2644 return FAIL; | |
| 2645 } | |
| 2646 } | |
| 2647 | |
| 2648 for (i = 0; i < new_len; ++i) | |
| 2649 { | |
| 2650 PyObject *line = PyList_GetItem(list, i); | |
| 2651 | |
| 2652 array[i] = StringToLine(line); | |
| 2653 if (array[i] == NULL) | |
| 2654 { | |
| 2655 while (i) | |
| 2656 vim_free(array[--i]); | |
| 2657 vim_free(array); | |
| 2658 return FAIL; | |
| 2659 } | |
| 2660 } | |
| 2661 | |
| 2662 savebuf = curbuf; | |
| 2663 | |
| 2664 PyErr_Clear(); | |
| 2665 curbuf = buf; | |
| 2666 | |
| 2667 if (u_save((linenr_T)(lo-1), (linenr_T)hi) == FAIL) | |
| 2668 PyErr_SetVim(_("cannot save undo information")); | |
| 2669 | |
| 2670 /* If the size of the range is reducing (ie, new_len < old_len) we | |
| 2671 * need to delete some old_len. We do this at the start, by | |
| 2672 * repeatedly deleting line "lo". | |
| 2673 */ | |
| 2674 if (!PyErr_Occurred()) | |
| 2675 { | |
| 2676 for (i = 0; i < old_len - new_len; ++i) | |
| 2677 if (ml_delete((linenr_T)lo, FALSE) == FAIL) | |
| 2678 { | |
| 2679 PyErr_SetVim(_("cannot delete line")); | |
| 2680 break; | |
| 2681 } | |
| 2682 extra -= i; | |
| 2683 } | |
| 2684 | |
| 2685 /* For as long as possible, replace the existing old_len with the | |
| 2686 * new old_len. This is a more efficient operation, as it requires | |
| 2687 * less memory allocation and freeing. | |
| 2688 */ | |
| 2689 if (!PyErr_Occurred()) | |
| 2690 { | |
| 2691 for (i = 0; i < old_len && i < new_len; ++i) | |
| 2692 if (ml_replace((linenr_T)(lo+i), (char_u *)array[i], FALSE) | |
| 2693 == FAIL) | |
| 2694 { | |
| 2695 PyErr_SetVim(_("cannot replace line")); | |
| 2696 break; | |
| 2697 } | |
| 2698 } | |
| 2699 else | |
| 2700 i = 0; | |
| 2701 | |
| 2702 /* Now we may need to insert the remaining new old_len. If we do, we | |
| 2703 * must free the strings as we finish with them (we can't pass the | |
| 2704 * responsibility to vim in this case). | |
| 2705 */ | |
| 2706 if (!PyErr_Occurred()) | |
| 2707 { | |
| 2708 while (i < new_len) | |
| 2709 { | |
| 2710 if (ml_append((linenr_T)(lo + i - 1), | |
| 2711 (char_u *)array[i], 0, FALSE) == FAIL) | |
| 2712 { | |
| 2713 PyErr_SetVim(_("cannot insert line")); | |
| 2714 break; | |
| 2715 } | |
| 2716 vim_free(array[i]); | |
| 2717 ++i; | |
| 2718 ++extra; | |
| 2719 } | |
| 2720 } | |
| 2721 | |
| 2722 /* Free any left-over old_len, as a result of an error */ | |
| 2723 while (i < new_len) | |
| 2724 { | |
| 2725 vim_free(array[i]); | |
| 2726 ++i; | |
| 2727 } | |
| 2728 | |
| 2729 /* Free the array of old_len. All of its contents have now | |
| 2730 * been dealt with (either freed, or the responsibility passed | |
| 2731 * to vim. | |
| 2732 */ | |
| 2733 vim_free(array); | |
| 2734 | |
| 2735 /* Adjust marks. Invalidate any which lie in the | |
| 2736 * changed range, and move any in the remainder of the buffer. | |
| 2737 */ | |
| 2738 mark_adjust((linenr_T)lo, (linenr_T)(hi - 1), | |
| 2739 (long)MAXLNUM, (long)extra); | |
| 2740 changed_lines((linenr_T)lo, 0, (linenr_T)hi, (long)extra); | |
| 2741 | |
| 2742 if (buf == curwin->w_buffer) | |
| 1607 | 2743 py_fix_cursor((linenr_T)lo, (linenr_T)hi, (linenr_T)extra); |
| 7 | 2744 |
| 2745 curbuf = savebuf; | |
| 2746 | |
| 2747 if (PyErr_Occurred() || VimErrorCheck()) | |
| 2748 return FAIL; | |
| 2749 | |
| 2750 if (len_change) | |
| 2751 *len_change = new_len - old_len; | |
| 2752 | |
| 2753 return OK; | |
| 2754 } | |
| 2755 else | |
| 2756 { | |
| 2757 PyErr_BadArgument(); | |
| 2758 return FAIL; | |
| 2759 } | |
| 2760 } | |
| 2761 | |
| 2762 /* Insert a number of lines into the specified buffer after the specifed line. | |
| 2763 * The line number is in Vim format (1-based). The lines to be inserted are | |
| 2764 * given as a Python list of string objects or as a single string. The lines | |
| 2765 * to be added are checked for validity and correct format. Errors are | |
| 2766 * returned as a value of FAIL. The return value is OK on success. | |
| 2767 * If OK is returned and len_change is not NULL, *len_change | |
| 2768 * is set to the change in the buffer length. | |
| 2769 */ | |
| 2770 static int | |
| 1607 | 2771 InsertBufferLines(buf_T *buf, PyInt n, PyObject *lines, PyInt *len_change) |
| 7 | 2772 { |
| 2773 /* First of all, we check the type of the supplied Python object. | |
| 2774 * It must be a string or a list, or the call is in error. | |
| 2775 */ | |
| 2776 if (PyString_Check(lines)) | |
| 2777 { | |
| 2778 char *str = StringToLine(lines); | |
| 2779 buf_T *savebuf; | |
| 2780 | |
| 2781 if (str == NULL) | |
| 2782 return FAIL; | |
| 2783 | |
| 2784 savebuf = curbuf; | |
| 2785 | |
| 2786 PyErr_Clear(); | |
| 2787 curbuf = buf; | |
| 2788 | |
| 2789 if (u_save((linenr_T)n, (linenr_T)(n+1)) == FAIL) | |
| 2790 PyErr_SetVim(_("cannot save undo information")); | |
| 2791 else if (ml_append((linenr_T)n, (char_u *)str, 0, FALSE) == FAIL) | |
| 2792 PyErr_SetVim(_("cannot insert line")); | |
| 2793 else | |
| 2794 appended_lines_mark((linenr_T)n, 1L); | |
| 2795 | |
| 2796 vim_free(str); | |
| 2797 curbuf = savebuf; | |
| 2798 update_screen(VALID); | |
| 2799 | |
| 2800 if (PyErr_Occurred() || VimErrorCheck()) | |
| 2801 return FAIL; | |
| 2802 | |
| 2803 if (len_change) | |
| 2804 *len_change = 1; | |
| 2805 | |
| 2806 return OK; | |
| 2807 } | |
| 2808 else if (PyList_Check(lines)) | |
| 2809 { | |
| 1594 | 2810 PyInt i; |
| 2811 PyInt size = PyList_Size(lines); | |
| 7 | 2812 char **array; |
| 2813 buf_T *savebuf; | |
| 2814 | |
| 2815 array = (char **)alloc((unsigned)(size * sizeof(char *))); | |
| 2816 if (array == NULL) | |
| 2817 { | |
| 2818 PyErr_NoMemory(); | |
| 2819 return FAIL; | |
| 2820 } | |
| 2821 | |
| 2822 for (i = 0; i < size; ++i) | |
| 2823 { | |
| 2824 PyObject *line = PyList_GetItem(lines, i); | |
| 2825 array[i] = StringToLine(line); | |
| 2826 | |
| 2827 if (array[i] == NULL) | |
| 2828 { | |
| 2829 while (i) | |
| 2830 vim_free(array[--i]); | |
| 2831 vim_free(array); | |
| 2832 return FAIL; | |
| 2833 } | |
| 2834 } | |
| 2835 | |
| 2836 savebuf = curbuf; | |
| 2837 | |
| 2838 PyErr_Clear(); | |
| 2839 curbuf = buf; | |
| 2840 | |
| 2841 if (u_save((linenr_T)n, (linenr_T)(n + 1)) == FAIL) | |
| 2842 PyErr_SetVim(_("cannot save undo information")); | |
| 2843 else | |
| 2844 { | |
| 2845 for (i = 0; i < size; ++i) | |
| 2846 { | |
| 2847 if (ml_append((linenr_T)(n + i), | |
| 2848 (char_u *)array[i], 0, FALSE) == FAIL) | |
| 2849 { | |
| 2850 PyErr_SetVim(_("cannot insert line")); | |
| 2851 | |
| 2852 /* Free the rest of the lines */ | |
| 2853 while (i < size) | |
| 2854 vim_free(array[i++]); | |
| 2855 | |
| 2856 break; | |
| 2857 } | |
| 2858 vim_free(array[i]); | |
| 2859 } | |
| 2860 if (i > 0) | |
| 2861 appended_lines_mark((linenr_T)n, (long)i); | |
| 2862 } | |
| 2863 | |
| 2864 /* Free the array of lines. All of its contents have now | |
| 2865 * been freed. | |
| 2866 */ | |
| 2867 vim_free(array); | |
| 2868 | |
| 2869 curbuf = savebuf; | |
| 2870 update_screen(VALID); | |
| 2871 | |
| 2872 if (PyErr_Occurred() || VimErrorCheck()) | |
| 2873 return FAIL; | |
| 2874 | |
| 2875 if (len_change) | |
| 2876 *len_change = size; | |
| 2877 | |
| 2878 return OK; | |
| 2879 } | |
| 2880 else | |
| 2881 { | |
| 2882 PyErr_BadArgument(); | |
| 2883 return FAIL; | |
| 2884 } | |
| 2885 } | |
| 2886 | |
| 2887 /* Convert a Vim line into a Python string. | |
| 2888 * All internal newlines are replaced by null characters. | |
| 2889 * | |
| 2890 * On errors, the Python exception data is set, and NULL is returned. | |
| 2891 */ | |
| 2892 static PyObject * | |
| 2893 LineToString(const char *str) | |
| 2894 { | |
| 2895 PyObject *result; | |
| 1594 | 2896 PyInt len = strlen(str); |
| 7 | 2897 char *p; |
| 2898 | |
| 2899 /* Allocate an Python string object, with uninitialised contents. We | |
| 2900 * must do it this way, so that we can modify the string in place | |
| 2901 * later. See the Python source, Objects/stringobject.c for details. | |
| 2902 */ | |
| 2903 result = PyString_FromStringAndSize(NULL, len); | |
| 2904 if (result == NULL) | |
| 2905 return NULL; | |
| 2906 | |
| 2907 p = PyString_AsString(result); | |
| 2908 | |
| 2909 while (*str) | |
| 2910 { | |
| 2911 if (*str == '\n') | |
| 2912 *p = '\0'; | |
| 2913 else | |
| 2914 *p = *str; | |
| 2915 | |
| 2916 ++p; | |
| 2917 ++str; | |
| 2918 } | |
| 2919 | |
| 2920 return result; | |
| 2921 } | |
| 2922 | |
| 2923 /* Convert a Python string into a Vim line. | |
| 2924 * | |
| 2925 * The result is in allocated memory. All internal nulls are replaced by | |
| 2926 * newline characters. It is an error for the string to contain newline | |
| 2927 * characters. | |
| 2928 * | |
| 2929 * On errors, the Python exception data is set, and NULL is returned. | |
| 2930 */ | |
| 2931 static char * | |
| 2932 StringToLine(PyObject *obj) | |
| 2933 { | |
| 2934 const char *str; | |
| 2935 char *save; | |
| 1594 | 2936 PyInt len; |
| 2937 PyInt i; | |
| 20 | 2938 char *p; |
| 7 | 2939 |
| 2940 if (obj == NULL || !PyString_Check(obj)) | |
| 2941 { | |
| 2942 PyErr_BadArgument(); | |
| 2943 return NULL; | |
| 2944 } | |
| 2945 | |
| 2946 str = PyString_AsString(obj); | |
| 2947 len = PyString_Size(obj); | |
| 2948 | |
| 20 | 2949 /* |
| 2950 * Error checking: String must not contain newlines, as we | |
| 7 | 2951 * are replacing a single line, and we must replace it with |
| 2952 * a single line. | |
| 20 | 2953 * A trailing newline is removed, so that append(f.readlines()) works. |
| 7 | 2954 */ |
| 20 | 2955 p = memchr(str, '\n', len); |
| 2956 if (p != NULL) | |
| 7 | 2957 { |
| 20 | 2958 if (p == str + len - 1) |
| 2959 --len; | |
| 2960 else | |
| 2961 { | |
| 2962 PyErr_SetVim(_("string cannot contain newlines")); | |
| 2963 return NULL; | |
| 2964 } | |
| 7 | 2965 } |
| 2966 | |
| 2967 /* Create a copy of the string, with internal nulls replaced by | |
| 2968 * newline characters, as is the vim convention. | |
| 2969 */ | |
| 2970 save = (char *)alloc((unsigned)(len+1)); | |
| 2971 if (save == NULL) | |
| 2972 { | |
| 2973 PyErr_NoMemory(); | |
| 2974 return NULL; | |
| 2975 } | |
| 2976 | |
| 2977 for (i = 0; i < len; ++i) | |
| 2978 { | |
| 2979 if (str[i] == '\0') | |
| 2980 save[i] = '\n'; | |
| 2981 else | |
| 2982 save[i] = str[i]; | |
| 2983 } | |
| 2984 | |
| 2985 save[i] = '\0'; | |
| 2986 | |
| 2987 return save; | |
| 2988 } | |
| 2989 | |
| 2990 /* Check to see whether a Vim error has been reported, or a keyboard | |
| 2991 * interrupt has been detected. | |
| 2992 */ | |
| 2993 static int | |
| 2994 VimErrorCheck(void) | |
| 2995 { | |
| 2996 if (got_int) | |
| 2997 { | |
| 2998 PyErr_SetNone(PyExc_KeyboardInterrupt); | |
| 2999 return 1; | |
| 3000 } | |
| 3001 else if (did_emsg && !PyErr_Occurred()) | |
| 3002 { | |
| 3003 PyErr_SetNone(VimError); | |
| 3004 return 1; | |
| 3005 } | |
| 3006 | |
| 3007 return 0; | |
| 3008 } | |
| 3009 | |
| 3010 | |
| 3011 /* Don't generate a prototype for the next function, it generates an error on | |
| 3012 * newer Python versions. */ | |
| 3013 #if PYTHON_API_VERSION < 1007 /* Python 1.4 */ && !defined(PROTO) | |
| 3014 | |
| 3015 char * | |
| 3016 Py_GetProgramName(void) | |
| 3017 { | |
| 3018 return "vim"; | |
| 3019 } | |
| 3020 #endif /* Python 1.4 */ |