Mercurial > vim
annotate src/if_python.c @ 2258:772bfca06c18 vim73
Fix crash when using ":grep".
author | Bram Moolenaar <bram@vim.org> |
---|---|
date | Mon, 07 Jun 2010 23:07:44 +0200 |
parents | 1bac28a53fae |
children | ccda151dde4e |
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, | |
1163 our_tv->v_type == VAR_LIST ? (long_u)our_tv->vval.v_list | |
1164 : (long_u)our_tv->vval.v_dict); | |
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 */ |