Mercurial > vim
annotate src/if_python.c @ 2374:f414e5a4b40e vim73
Fix: "import termios" doesn't work with dynamically loaded Python. (James
Vega)
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Thu, 22 Jul 2010 21:44:13 +0200 |
| parents | ad2889f48843 |
| children | aeea25941392 |
| 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 | |
|
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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 | |
|
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99 #ifndef WIN3264 |
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100 # include <dlfcn.h> |
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101 # define FARPROC void* |
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102 # define HINSTANCE void* |
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103 # define load_dll(n) dlopen((n), RTLD_LAZY|RTLD_GLOBAL) |
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104 # define close_dll dlclose |
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105 # define symbol_from_dll dlsym |
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106 #else |
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107 # define load_dll LoadLibrary |
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108 # define close_dll FreeLibrary |
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109 # define symbol_from_dll GetProcAddress |
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Added support for Python 3. (Roland Puntaier)
Bram Moolenaar <bram@vim.org>
parents:
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110 #endif |
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Added support for Python 3. (Roland Puntaier)
Bram Moolenaar <bram@vim.org>
parents:
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changeset
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111 |
| 1607 | 112 /* This makes if_python.c compile without warnings against Python 2.5 |
| 113 * on Win32 and Win64. */ | |
| 114 #undef PyRun_SimpleString | |
| 115 #undef PyArg_Parse | |
| 116 #undef PyArg_ParseTuple | |
| 117 #undef Py_BuildValue | |
| 118 #undef Py_InitModule4 | |
| 119 #undef Py_InitModule4_64 | |
| 120 | |
| 7 | 121 /* |
| 122 * Wrapper defines | |
| 123 */ | |
| 124 # define PyArg_Parse dll_PyArg_Parse | |
| 125 # define PyArg_ParseTuple dll_PyArg_ParseTuple | |
| 126 # define PyDict_SetItemString dll_PyDict_SetItemString | |
| 127 # define PyErr_BadArgument dll_PyErr_BadArgument | |
| 128 # define PyErr_Clear dll_PyErr_Clear | |
| 129 # define PyErr_NoMemory dll_PyErr_NoMemory | |
| 130 # define PyErr_Occurred dll_PyErr_Occurred | |
| 131 # define PyErr_SetNone dll_PyErr_SetNone | |
| 132 # define PyErr_SetString dll_PyErr_SetString | |
| 133 # define PyEval_InitThreads dll_PyEval_InitThreads | |
| 134 # define PyEval_RestoreThread dll_PyEval_RestoreThread | |
| 135 # define PyEval_SaveThread dll_PyEval_SaveThread | |
| 136 # ifdef PY_CAN_RECURSE | |
| 137 # define PyGILState_Ensure dll_PyGILState_Ensure | |
| 138 # define PyGILState_Release dll_PyGILState_Release | |
| 139 # endif | |
| 140 # define PyInt_AsLong dll_PyInt_AsLong | |
| 141 # define PyInt_FromLong dll_PyInt_FromLong | |
| 142 # define PyInt_Type (*dll_PyInt_Type) | |
| 143 # define PyList_GetItem dll_PyList_GetItem | |
| 637 | 144 # define PyList_Append dll_PyList_Append |
| 7 | 145 # define PyList_New dll_PyList_New |
| 146 # define PyList_SetItem dll_PyList_SetItem | |
| 147 # define PyList_Size dll_PyList_Size | |
| 148 # define PyList_Type (*dll_PyList_Type) | |
| 149 # define PyImport_ImportModule dll_PyImport_ImportModule | |
| 637 | 150 # define PyDict_New dll_PyDict_New |
| 7 | 151 # define PyDict_GetItemString dll_PyDict_GetItemString |
| 152 # define PyModule_GetDict dll_PyModule_GetDict | |
| 153 # define PyRun_SimpleString dll_PyRun_SimpleString | |
| 154 # define PyString_AsString dll_PyString_AsString | |
| 155 # define PyString_FromString dll_PyString_FromString | |
| 156 # define PyString_FromStringAndSize dll_PyString_FromStringAndSize | |
| 157 # define PyString_Size dll_PyString_Size | |
| 158 # define PyString_Type (*dll_PyString_Type) | |
| 159 # define PySys_SetObject dll_PySys_SetObject | |
| 160 # define PySys_SetArgv dll_PySys_SetArgv | |
| 161 # define PyType_Type (*dll_PyType_Type) | |
| 162 # define Py_BuildValue dll_Py_BuildValue | |
| 163 # define Py_FindMethod dll_Py_FindMethod | |
| 164 # define Py_InitModule4 dll_Py_InitModule4 | |
| 165 # define Py_Initialize dll_Py_Initialize | |
| 242 | 166 # define Py_Finalize dll_Py_Finalize |
| 167 # define Py_IsInitialized dll_Py_IsInitialized | |
| 7 | 168 # define _PyObject_New dll__PyObject_New |
| 169 # define _Py_NoneStruct (*dll__Py_NoneStruct) | |
| 170 # define PyObject_Init dll__PyObject_Init | |
| 171 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 | |
| 172 # define PyType_IsSubtype dll_PyType_IsSubtype | |
| 173 # endif | |
| 174 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 | |
| 175 # define PyObject_Malloc dll_PyObject_Malloc | |
| 176 # define PyObject_Free dll_PyObject_Free | |
| 177 # endif | |
| 178 | |
| 179 /* | |
| 180 * Pointers for dynamic link | |
| 181 */ | |
| 182 static int(*dll_PyArg_Parse)(PyObject *, char *, ...); | |
| 183 static int(*dll_PyArg_ParseTuple)(PyObject *, char *, ...); | |
| 184 static int(*dll_PyDict_SetItemString)(PyObject *dp, char *key, PyObject *item); | |
| 185 static int(*dll_PyErr_BadArgument)(void); | |
| 186 static void(*dll_PyErr_Clear)(void); | |
| 187 static PyObject*(*dll_PyErr_NoMemory)(void); | |
| 188 static PyObject*(*dll_PyErr_Occurred)(void); | |
| 189 static void(*dll_PyErr_SetNone)(PyObject *); | |
| 190 static void(*dll_PyErr_SetString)(PyObject *, const char *); | |
| 191 static void(*dll_PyEval_InitThreads)(void); | |
| 192 static void(*dll_PyEval_RestoreThread)(PyThreadState *); | |
| 193 static PyThreadState*(*dll_PyEval_SaveThread)(void); | |
| 194 # ifdef PY_CAN_RECURSE | |
| 195 static PyGILState_STATE (*dll_PyGILState_Ensure)(void); | |
| 196 static void (*dll_PyGILState_Release)(PyGILState_STATE); | |
| 197 #endif | |
| 198 static long(*dll_PyInt_AsLong)(PyObject *); | |
| 199 static PyObject*(*dll_PyInt_FromLong)(long); | |
| 200 static PyTypeObject* dll_PyInt_Type; | |
| 1594 | 201 static PyObject*(*dll_PyList_GetItem)(PyObject *, PyInt); |
| 637 | 202 static PyObject*(*dll_PyList_Append)(PyObject *, PyObject *); |
| 1594 | 203 static PyObject*(*dll_PyList_New)(PyInt size); |
| 204 static int(*dll_PyList_SetItem)(PyObject *, PyInt, PyObject *); | |
| 205 static PyInt(*dll_PyList_Size)(PyObject *); | |
| 7 | 206 static PyTypeObject* dll_PyList_Type; |
| 207 static PyObject*(*dll_PyImport_ImportModule)(const char *); | |
| 637 | 208 static PyObject*(*dll_PyDict_New)(void); |
| 7 | 209 static PyObject*(*dll_PyDict_GetItemString)(PyObject *, const char *); |
| 210 static PyObject*(*dll_PyModule_GetDict)(PyObject *); | |
| 211 static int(*dll_PyRun_SimpleString)(char *); | |
| 212 static char*(*dll_PyString_AsString)(PyObject *); | |
| 213 static PyObject*(*dll_PyString_FromString)(const char *); | |
| 1594 | 214 static PyObject*(*dll_PyString_FromStringAndSize)(const char *, PyInt); |
| 215 static PyInt(*dll_PyString_Size)(PyObject *); | |
| 7 | 216 static PyTypeObject* dll_PyString_Type; |
| 217 static int(*dll_PySys_SetObject)(char *, PyObject *); | |
| 218 static int(*dll_PySys_SetArgv)(int, char **); | |
| 219 static PyTypeObject* dll_PyType_Type; | |
| 220 static PyObject*(*dll_Py_BuildValue)(char *, ...); | |
| 221 static PyObject*(*dll_Py_FindMethod)(struct PyMethodDef[], PyObject *, char *); | |
| 222 static PyObject*(*dll_Py_InitModule4)(char *, struct PyMethodDef *, char *, PyObject *, int); | |
| 223 static void(*dll_Py_Initialize)(void); | |
| 242 | 224 static void(*dll_Py_Finalize)(void); |
| 225 static int(*dll_Py_IsInitialized)(void); | |
| 7 | 226 static PyObject*(*dll__PyObject_New)(PyTypeObject *, PyObject *); |
| 227 static PyObject*(*dll__PyObject_Init)(PyObject *, PyTypeObject *); | |
| 228 static PyObject* dll__Py_NoneStruct; | |
| 229 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 | |
| 230 static int (*dll_PyType_IsSubtype)(PyTypeObject *, PyTypeObject *); | |
| 231 # endif | |
| 232 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 | |
| 233 static void* (*dll_PyObject_Malloc)(size_t); | |
| 234 static void (*dll_PyObject_Free)(void*); | |
| 235 # endif | |
| 236 | |
| 237 static HINSTANCE hinstPython = 0; /* Instance of python.dll */ | |
| 238 | |
| 239 /* Imported exception objects */ | |
| 240 static PyObject *imp_PyExc_AttributeError; | |
| 241 static PyObject *imp_PyExc_IndexError; | |
| 242 static PyObject *imp_PyExc_KeyboardInterrupt; | |
| 243 static PyObject *imp_PyExc_TypeError; | |
| 244 static PyObject *imp_PyExc_ValueError; | |
| 245 | |
| 246 # define PyExc_AttributeError imp_PyExc_AttributeError | |
| 247 # define PyExc_IndexError imp_PyExc_IndexError | |
| 248 # define PyExc_KeyboardInterrupt imp_PyExc_KeyboardInterrupt | |
| 249 # define PyExc_TypeError imp_PyExc_TypeError | |
| 250 # define PyExc_ValueError imp_PyExc_ValueError | |
| 251 | |
| 252 /* | |
| 253 * Table of name to function pointer of python. | |
| 254 */ | |
| 255 # define PYTHON_PROC FARPROC | |
| 256 static struct | |
| 257 { | |
| 258 char *name; | |
| 259 PYTHON_PROC *ptr; | |
| 260 } python_funcname_table[] = | |
| 261 { | |
| 262 {"PyArg_Parse", (PYTHON_PROC*)&dll_PyArg_Parse}, | |
| 263 {"PyArg_ParseTuple", (PYTHON_PROC*)&dll_PyArg_ParseTuple}, | |
| 264 {"PyDict_SetItemString", (PYTHON_PROC*)&dll_PyDict_SetItemString}, | |
| 265 {"PyErr_BadArgument", (PYTHON_PROC*)&dll_PyErr_BadArgument}, | |
| 266 {"PyErr_Clear", (PYTHON_PROC*)&dll_PyErr_Clear}, | |
| 267 {"PyErr_NoMemory", (PYTHON_PROC*)&dll_PyErr_NoMemory}, | |
| 268 {"PyErr_Occurred", (PYTHON_PROC*)&dll_PyErr_Occurred}, | |
| 269 {"PyErr_SetNone", (PYTHON_PROC*)&dll_PyErr_SetNone}, | |
| 270 {"PyErr_SetString", (PYTHON_PROC*)&dll_PyErr_SetString}, | |
| 271 {"PyEval_InitThreads", (PYTHON_PROC*)&dll_PyEval_InitThreads}, | |
| 272 {"PyEval_RestoreThread", (PYTHON_PROC*)&dll_PyEval_RestoreThread}, | |
| 273 {"PyEval_SaveThread", (PYTHON_PROC*)&dll_PyEval_SaveThread}, | |
| 274 # ifdef PY_CAN_RECURSE | |
| 275 {"PyGILState_Ensure", (PYTHON_PROC*)&dll_PyGILState_Ensure}, | |
| 276 {"PyGILState_Release", (PYTHON_PROC*)&dll_PyGILState_Release}, | |
| 277 # endif | |
| 278 {"PyInt_AsLong", (PYTHON_PROC*)&dll_PyInt_AsLong}, | |
| 279 {"PyInt_FromLong", (PYTHON_PROC*)&dll_PyInt_FromLong}, | |
| 280 {"PyInt_Type", (PYTHON_PROC*)&dll_PyInt_Type}, | |
| 281 {"PyList_GetItem", (PYTHON_PROC*)&dll_PyList_GetItem}, | |
| 637 | 282 {"PyList_Append", (PYTHON_PROC*)&dll_PyList_Append}, |
| 7 | 283 {"PyList_New", (PYTHON_PROC*)&dll_PyList_New}, |
| 284 {"PyList_SetItem", (PYTHON_PROC*)&dll_PyList_SetItem}, | |
| 285 {"PyList_Size", (PYTHON_PROC*)&dll_PyList_Size}, | |
| 286 {"PyList_Type", (PYTHON_PROC*)&dll_PyList_Type}, | |
| 287 {"PyImport_ImportModule", (PYTHON_PROC*)&dll_PyImport_ImportModule}, | |
| 288 {"PyDict_GetItemString", (PYTHON_PROC*)&dll_PyDict_GetItemString}, | |
| 637 | 289 {"PyDict_New", (PYTHON_PROC*)&dll_PyDict_New}, |
| 7 | 290 {"PyModule_GetDict", (PYTHON_PROC*)&dll_PyModule_GetDict}, |
| 291 {"PyRun_SimpleString", (PYTHON_PROC*)&dll_PyRun_SimpleString}, | |
| 292 {"PyString_AsString", (PYTHON_PROC*)&dll_PyString_AsString}, | |
| 293 {"PyString_FromString", (PYTHON_PROC*)&dll_PyString_FromString}, | |
| 294 {"PyString_FromStringAndSize", (PYTHON_PROC*)&dll_PyString_FromStringAndSize}, | |
| 295 {"PyString_Size", (PYTHON_PROC*)&dll_PyString_Size}, | |
| 296 {"PyString_Type", (PYTHON_PROC*)&dll_PyString_Type}, | |
| 297 {"PySys_SetObject", (PYTHON_PROC*)&dll_PySys_SetObject}, | |
| 298 {"PySys_SetArgv", (PYTHON_PROC*)&dll_PySys_SetArgv}, | |
| 299 {"PyType_Type", (PYTHON_PROC*)&dll_PyType_Type}, | |
| 300 {"Py_BuildValue", (PYTHON_PROC*)&dll_Py_BuildValue}, | |
| 301 {"Py_FindMethod", (PYTHON_PROC*)&dll_Py_FindMethod}, | |
| 1607 | 302 # if (PY_VERSION_HEX >= 0x02050000) && SIZEOF_SIZE_T != SIZEOF_INT |
| 303 {"Py_InitModule4_64", (PYTHON_PROC*)&dll_Py_InitModule4}, | |
| 304 # else | |
| 7 | 305 {"Py_InitModule4", (PYTHON_PROC*)&dll_Py_InitModule4}, |
| 1607 | 306 # endif |
| 7 | 307 {"Py_Initialize", (PYTHON_PROC*)&dll_Py_Initialize}, |
| 242 | 308 {"Py_Finalize", (PYTHON_PROC*)&dll_Py_Finalize}, |
| 309 {"Py_IsInitialized", (PYTHON_PROC*)&dll_Py_IsInitialized}, | |
| 7 | 310 {"_PyObject_New", (PYTHON_PROC*)&dll__PyObject_New}, |
| 311 {"PyObject_Init", (PYTHON_PROC*)&dll__PyObject_Init}, | |
| 312 {"_Py_NoneStruct", (PYTHON_PROC*)&dll__Py_NoneStruct}, | |
| 313 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 | |
| 314 {"PyType_IsSubtype", (PYTHON_PROC*)&dll_PyType_IsSubtype}, | |
| 315 # endif | |
| 316 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 | |
| 317 {"PyObject_Malloc", (PYTHON_PROC*)&dll_PyObject_Malloc}, | |
| 318 {"PyObject_Free", (PYTHON_PROC*)&dll_PyObject_Free}, | |
| 319 # endif | |
| 320 {"", NULL}, | |
| 321 }; | |
| 322 | |
| 323 /* | |
| 324 * Free python.dll | |
| 325 */ | |
| 326 static void | |
| 327 end_dynamic_python(void) | |
| 328 { | |
| 329 if (hinstPython) | |
| 330 { | |
|
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ad2889f48843
Added support for Python 3. (Roland Puntaier)
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
331 close_dll(hinstPython); |
| 7 | 332 hinstPython = 0; |
| 333 } | |
| 334 } | |
| 335 | |
| 336 /* | |
| 337 * Load library and get all pointers. | |
| 338 * Parameter 'libname' provides name of DLL. | |
| 339 * Return OK or FAIL. | |
| 340 */ | |
| 341 static int | |
| 342 python_runtime_link_init(char *libname, int verbose) | |
| 343 { | |
| 344 int i; | |
| 345 | |
| 346 if (hinstPython) | |
| 347 return OK; | |
|
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ad2889f48843
Added support for Python 3. (Roland Puntaier)
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
348 hinstPython = load_dll(libname); |
| 7 | 349 if (!hinstPython) |
| 350 { | |
| 351 if (verbose) | |
| 352 EMSG2(_(e_loadlib), libname); | |
| 353 return FAIL; | |
| 354 } | |
| 355 | |
| 356 for (i = 0; python_funcname_table[i].ptr; ++i) | |
| 357 { | |
|
2329
ad2889f48843
Added support for Python 3. (Roland Puntaier)
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
358 if ((*python_funcname_table[i].ptr = symbol_from_dll(hinstPython, |
| 7 | 359 python_funcname_table[i].name)) == NULL) |
| 360 { | |
|
2329
ad2889f48843
Added support for Python 3. (Roland Puntaier)
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
361 close_dll(hinstPython); |
| 7 | 362 hinstPython = 0; |
| 363 if (verbose) | |
| 364 EMSG2(_(e_loadfunc), python_funcname_table[i].name); | |
| 365 return FAIL; | |
| 366 } | |
| 367 } | |
| 368 return OK; | |
| 369 } | |
| 370 | |
| 371 /* | |
| 372 * If python is enabled (there is installed python on Windows system) return | |
| 373 * TRUE, else FALSE. | |
| 374 */ | |
| 375 int | |
| 1607 | 376 python_enabled(int verbose) |
| 7 | 377 { |
| 378 return python_runtime_link_init(DYNAMIC_PYTHON_DLL, verbose) == OK; | |
| 379 } | |
| 380 | |
| 381 /* Load the standard Python exceptions - don't import the symbols from the | |
| 382 * DLL, as this can cause errors (importing data symbols is not reliable). | |
| 383 */ | |
| 384 static void get_exceptions __ARGS((void)); | |
| 385 | |
| 386 static void | |
| 387 get_exceptions() | |
| 388 { | |
| 389 PyObject *exmod = PyImport_ImportModule("exceptions"); | |
| 390 PyObject *exdict = PyModule_GetDict(exmod); | |
| 391 imp_PyExc_AttributeError = PyDict_GetItemString(exdict, "AttributeError"); | |
| 392 imp_PyExc_IndexError = PyDict_GetItemString(exdict, "IndexError"); | |
| 393 imp_PyExc_KeyboardInterrupt = PyDict_GetItemString(exdict, "KeyboardInterrupt"); | |
| 394 imp_PyExc_TypeError = PyDict_GetItemString(exdict, "TypeError"); | |
| 395 imp_PyExc_ValueError = PyDict_GetItemString(exdict, "ValueError"); | |
| 396 Py_XINCREF(imp_PyExc_AttributeError); | |
| 397 Py_XINCREF(imp_PyExc_IndexError); | |
| 398 Py_XINCREF(imp_PyExc_KeyboardInterrupt); | |
| 399 Py_XINCREF(imp_PyExc_TypeError); | |
| 400 Py_XINCREF(imp_PyExc_ValueError); | |
| 401 Py_XDECREF(exmod); | |
| 402 } | |
| 403 #endif /* DYNAMIC_PYTHON */ | |
| 404 | |
| 405 /****************************************************** | |
| 406 * Internal function prototypes. | |
| 407 */ | |
| 408 | |
| 409 static void DoPythonCommand(exarg_T *, const char *); | |
| 1607 | 410 static PyInt RangeStart; |
| 411 static PyInt RangeEnd; | |
| 7 | 412 |
| 413 static void PythonIO_Flush(void); | |
| 414 static int PythonIO_Init(void); | |
| 415 static int PythonMod_Init(void); | |
| 416 | |
| 417 /* Utility functions for the vim/python interface | |
| 418 * ---------------------------------------------- | |
| 419 */ | |
| 1607 | 420 static PyObject *GetBufferLine(buf_T *, PyInt); |
| 1594 | 421 static PyObject *GetBufferLineList(buf_T *, PyInt, PyInt); |
| 7 | 422 |
| 1607 | 423 static int SetBufferLine(buf_T *, PyInt, PyObject *, PyInt *); |
| 424 static int SetBufferLineList(buf_T *, PyInt, PyInt, PyObject *, PyInt *); | |
| 425 static int InsertBufferLines(buf_T *, PyInt, PyObject *, PyInt *); | |
| 7 | 426 |
| 427 static PyObject *LineToString(const char *); | |
| 428 static char *StringToLine(PyObject *); | |
| 429 | |
| 430 static int VimErrorCheck(void); | |
| 431 | |
| 432 #define PyErr_SetVim(str) PyErr_SetString(VimError, str) | |
| 433 | |
| 434 /****************************************************** | |
| 435 * 1. Python interpreter main program. | |
| 436 */ | |
| 437 | |
| 438 static int initialised = 0; | |
| 439 | |
| 440 #if PYTHON_API_VERSION < 1007 /* Python 1.4 */ | |
| 441 typedef PyObject PyThreadState; | |
| 323 | 442 #endif |
| 443 | |
| 444 #ifdef PY_CAN_RECURSE | |
| 445 static PyGILState_STATE pygilstate = PyGILState_UNLOCKED; | |
| 446 #else | |
| 36 | 447 static PyThreadState *saved_python_thread = NULL; |
| 323 | 448 #endif |
| 7 | 449 |
| 450 /* | |
| 451 * Suspend a thread of the Python interpreter, other threads are allowed to | |
| 452 * run. | |
| 453 */ | |
| 36 | 454 static void |
| 455 Python_SaveThread(void) | |
| 7 | 456 { |
| 323 | 457 #ifdef PY_CAN_RECURSE |
| 458 PyGILState_Release(pygilstate); | |
| 459 #else | |
| 7 | 460 saved_python_thread = PyEval_SaveThread(); |
| 323 | 461 #endif |
| 7 | 462 } |
| 463 | |
| 464 /* | |
| 465 * Restore a thread of the Python interpreter, waits for other threads to | |
| 466 * block. | |
| 467 */ | |
| 36 | 468 static void |
| 469 Python_RestoreThread(void) | |
| 7 | 470 { |
| 323 | 471 #ifdef PY_CAN_RECURSE |
| 472 pygilstate = PyGILState_Ensure(); | |
| 473 #else | |
| 7 | 474 PyEval_RestoreThread(saved_python_thread); |
| 475 saved_python_thread = NULL; | |
| 323 | 476 #endif |
| 7 | 477 } |
| 478 | |
| 479 /* | |
| 480 * obtain a lock on the Vim data structures | |
| 481 */ | |
| 482 static void Python_Lock_Vim(void) | |
| 483 { | |
| 484 } | |
| 485 | |
| 486 /* | |
| 487 * release a lock on the Vim data structures | |
| 488 */ | |
| 489 static void Python_Release_Vim(void) | |
| 490 { | |
| 491 } | |
| 492 | |
| 493 void | |
| 494 python_end() | |
| 495 { | |
| 557 | 496 static int recurse = 0; |
| 497 | |
| 498 /* If a crash occurs while doing this, don't try again. */ | |
| 499 if (recurse != 0) | |
| 500 return; | |
| 501 | |
| 502 ++recurse; | |
| 503 | |
| 7 | 504 #ifdef DYNAMIC_PYTHON |
| 242 | 505 if (hinstPython && Py_IsInitialized()) |
| 323 | 506 { |
| 856 | 507 Python_RestoreThread(); /* enter python */ |
| 508 Py_Finalize(); | |
| 323 | 509 } |
| 7 | 510 end_dynamic_python(); |
| 242 | 511 #else |
| 512 if (Py_IsInitialized()) | |
| 323 | 513 { |
| 856 | 514 Python_RestoreThread(); /* enter python */ |
| 515 Py_Finalize(); | |
| 323 | 516 } |
| 7 | 517 #endif |
| 557 | 518 |
| 519 --recurse; | |
| 7 | 520 } |
| 521 | |
| 522 static int | |
| 523 Python_Init(void) | |
| 524 { | |
| 525 if (!initialised) | |
| 526 { | |
| 527 #ifdef DYNAMIC_PYTHON | |
| 528 if (!python_enabled(TRUE)) | |
| 529 { | |
| 530 EMSG(_("E263: Sorry, this command is disabled, the Python library could not be loaded.")); | |
| 531 goto fail; | |
| 532 } | |
| 533 #endif | |
| 534 | |
| 535 #if !defined(MACOS) || defined(MACOS_X_UNIX) | |
| 536 Py_Initialize(); | |
| 537 #else | |
| 538 PyMac_Initialize(); | |
| 539 #endif | |
| 540 /* initialise threads */ | |
| 541 PyEval_InitThreads(); | |
| 542 | |
| 543 #ifdef DYNAMIC_PYTHON | |
| 544 get_exceptions(); | |
| 545 #endif | |
| 546 | |
| 547 if (PythonIO_Init()) | |
| 548 goto fail; | |
| 549 | |
| 550 if (PythonMod_Init()) | |
| 551 goto fail; | |
| 552 | |
| 1748 | 553 /* Remove the element from sys.path that was added because of our |
| 554 * argv[0] value in PythonMod_Init(). Previously we used an empty | |
| 555 * string, but dependinding on the OS we then get an empty entry or | |
| 556 * the current directory in sys.path. */ | |
| 557 PyRun_SimpleString("import sys; sys.path = filter(lambda x: x != '/must>not&exist', sys.path)"); | |
| 558 | |
| 36 | 559 /* the first python thread is vim's, release the lock */ |
| 7 | 560 Python_SaveThread(); |
| 561 | |
| 562 initialised = 1; | |
| 563 } | |
| 564 | |
| 565 return 0; | |
| 566 | |
| 567 fail: | |
| 568 /* We call PythonIO_Flush() here to print any Python errors. | |
| 569 * This is OK, as it is possible to call this function even | |
| 570 * if PythonIO_Init() has not completed successfully (it will | |
| 571 * not do anything in this case). | |
| 572 */ | |
| 573 PythonIO_Flush(); | |
| 574 return -1; | |
| 575 } | |
| 576 | |
| 577 /* | |
| 578 * External interface | |
| 579 */ | |
| 580 static void | |
| 581 DoPythonCommand(exarg_T *eap, const char *cmd) | |
| 582 { | |
| 323 | 583 #ifndef PY_CAN_RECURSE |
| 7 | 584 static int recursive = 0; |
| 585 #endif | |
| 586 #if defined(MACOS) && !defined(MACOS_X_UNIX) | |
| 587 GrafPtr oldPort; | |
| 588 #endif | |
| 589 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) | |
| 590 char *saved_locale; | |
| 591 #endif | |
| 592 | |
| 593 #ifndef PY_CAN_RECURSE | |
| 594 if (recursive) | |
| 595 { | |
| 596 EMSG(_("E659: Cannot invoke Python recursively")); | |
| 597 return; | |
| 598 } | |
| 599 ++recursive; | |
| 600 #endif | |
| 601 | |
| 602 #if defined(MACOS) && !defined(MACOS_X_UNIX) | |
| 603 GetPort(&oldPort); | |
| 604 /* Check if the Python library is available */ | |
| 605 if ((Ptr)PyMac_Initialize == (Ptr)kUnresolvedCFragSymbolAddress) | |
| 606 goto theend; | |
| 607 #endif | |
| 608 if (Python_Init()) | |
| 609 goto theend; | |
| 610 | |
| 611 RangeStart = eap->line1; | |
| 612 RangeEnd = eap->line2; | |
| 613 Python_Release_Vim(); /* leave vim */ | |
| 614 | |
| 615 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) | |
| 616 /* Python only works properly when the LC_NUMERIC locale is "C". */ | |
| 617 saved_locale = setlocale(LC_NUMERIC, NULL); | |
| 618 if (saved_locale == NULL || STRCMP(saved_locale, "C") == 0) | |
| 619 saved_locale = NULL; | |
| 620 else | |
| 621 { | |
| 622 /* Need to make a copy, value may change when setting new locale. */ | |
| 623 saved_locale = (char *)vim_strsave((char_u *)saved_locale); | |
| 624 (void)setlocale(LC_NUMERIC, "C"); | |
| 625 } | |
| 626 #endif | |
| 627 | |
| 628 Python_RestoreThread(); /* enter python */ | |
| 629 | |
| 630 PyRun_SimpleString((char *)(cmd)); | |
| 631 | |
| 632 Python_SaveThread(); /* leave python */ | |
| 633 | |
| 634 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) | |
| 635 if (saved_locale != NULL) | |
| 636 { | |
| 637 (void)setlocale(LC_NUMERIC, saved_locale); | |
| 638 vim_free(saved_locale); | |
| 639 } | |
| 640 #endif | |
| 641 | |
| 642 Python_Lock_Vim(); /* enter vim */ | |
| 643 PythonIO_Flush(); | |
| 644 #if defined(MACOS) && !defined(MACOS_X_UNIX) | |
| 645 SetPort(oldPort); | |
| 646 #endif | |
| 647 | |
| 648 theend: | |
| 649 #ifndef PY_CAN_RECURSE | |
| 650 --recursive; | |
| 651 #endif | |
| 652 return; /* keeps lint happy */ | |
| 653 } | |
| 654 | |
| 655 /* | |
| 656 * ":python" | |
| 657 */ | |
| 658 void | |
| 659 ex_python(exarg_T *eap) | |
| 660 { | |
| 661 char_u *script; | |
| 662 | |
| 663 script = script_get(eap, eap->arg); | |
| 664 if (!eap->skip) | |
| 665 { | |
| 666 if (script == NULL) | |
| 667 DoPythonCommand(eap, (char *)eap->arg); | |
| 668 else | |
| 669 DoPythonCommand(eap, (char *)script); | |
| 670 } | |
| 671 vim_free(script); | |
| 672 } | |
| 673 | |
| 674 #define BUFFER_SIZE 1024 | |
| 675 | |
| 676 /* | |
| 677 * ":pyfile" | |
| 678 */ | |
| 679 void | |
| 680 ex_pyfile(exarg_T *eap) | |
| 681 { | |
| 682 static char buffer[BUFFER_SIZE]; | |
| 683 const char *file = (char *)eap->arg; | |
| 684 char *p; | |
| 685 | |
| 686 /* Have to do it like this. PyRun_SimpleFile requires you to pass a | |
| 687 * stdio file pointer, but Vim and the Python DLL are compiled with | |
| 688 * different options under Windows, meaning that stdio pointers aren't | |
| 689 * compatible between the two. Yuk. | |
| 690 * | |
| 691 * Put the string "execfile('file')" into buffer. But, we need to | |
| 692 * escape any backslashes or single quotes in the file name, so that | |
| 693 * Python won't mangle the file name. | |
| 694 */ | |
| 695 strcpy(buffer, "execfile('"); | |
| 696 p = buffer + 10; /* size of "execfile('" */ | |
| 697 | |
| 698 while (*file && p < buffer + (BUFFER_SIZE - 3)) | |
| 699 { | |
| 700 if (*file == '\\' || *file == '\'') | |
| 701 *p++ = '\\'; | |
| 702 *p++ = *file++; | |
| 703 } | |
| 704 | |
| 705 /* If we didn't finish the file name, we hit a buffer overflow */ | |
| 706 if (*file != '\0') | |
| 707 return; | |
| 708 | |
| 709 /* Put in the terminating "')" and a null */ | |
| 710 *p++ = '\''; | |
| 711 *p++ = ')'; | |
| 712 *p++ = '\0'; | |
| 713 | |
| 714 /* Execute the file */ | |
| 715 DoPythonCommand(eap, buffer); | |
| 716 } | |
| 717 | |
| 718 /****************************************************** | |
| 719 * 2. Python output stream: writes output via [e]msg(). | |
| 720 */ | |
| 721 | |
| 722 /* Implementation functions | |
| 723 */ | |
| 724 | |
| 725 static PyObject *OutputGetattr(PyObject *, char *); | |
| 726 static int OutputSetattr(PyObject *, char *, PyObject *); | |
| 727 | |
| 728 static PyObject *OutputWrite(PyObject *, PyObject *); | |
| 729 static PyObject *OutputWritelines(PyObject *, PyObject *); | |
| 730 | |
| 731 typedef void (*writefn)(char_u *); | |
| 1607 | 732 static void writer(writefn fn, char_u *str, PyInt n); |
| 7 | 733 |
| 734 /* Output object definition | |
| 735 */ | |
| 736 | |
| 737 typedef struct | |
| 738 { | |
| 739 PyObject_HEAD | |
| 740 long softspace; | |
| 741 long error; | |
| 742 } OutputObject; | |
| 743 | |
| 744 static struct PyMethodDef OutputMethods[] = { | |
| 745 /* name, function, calling, documentation */ | |
| 746 {"write", OutputWrite, 1, "" }, | |
| 747 {"writelines", OutputWritelines, 1, "" }, | |
| 748 { NULL, NULL, 0, NULL } | |
| 749 }; | |
| 750 | |
| 751 static PyTypeObject OutputType = { | |
| 752 PyObject_HEAD_INIT(0) | |
| 753 0, | |
| 754 "message", | |
| 755 sizeof(OutputObject), | |
| 756 0, | |
| 757 | |
| 758 (destructor) 0, | |
| 759 (printfunc) 0, | |
| 760 (getattrfunc) OutputGetattr, | |
| 761 (setattrfunc) OutputSetattr, | |
| 762 (cmpfunc) 0, | |
| 763 (reprfunc) 0, | |
| 764 | |
| 765 0, /* as number */ | |
| 766 0, /* as sequence */ | |
| 767 0, /* as mapping */ | |
| 768 | |
| 769 (hashfunc) 0, | |
| 770 (ternaryfunc) 0, | |
| 771 (reprfunc) 0 | |
| 772 }; | |
| 773 | |
| 774 /*************/ | |
| 775 | |
| 776 static PyObject * | |
| 777 OutputGetattr(PyObject *self, char *name) | |
| 778 { | |
| 779 if (strcmp(name, "softspace") == 0) | |
| 780 return PyInt_FromLong(((OutputObject *)(self))->softspace); | |
| 781 | |
| 782 return Py_FindMethod(OutputMethods, self, name); | |
| 783 } | |
| 784 | |
| 785 static int | |
| 786 OutputSetattr(PyObject *self, char *name, PyObject *val) | |
| 787 { | |
| 788 if (val == NULL) { | |
| 789 PyErr_SetString(PyExc_AttributeError, _("can't delete OutputObject attributes")); | |
| 790 return -1; | |
| 791 } | |
| 792 | |
| 793 if (strcmp(name, "softspace") == 0) | |
| 794 { | |
| 795 if (!PyInt_Check(val)) { | |
| 796 PyErr_SetString(PyExc_TypeError, _("softspace must be an integer")); | |
| 797 return -1; | |
| 798 } | |
| 799 | |
| 800 ((OutputObject *)(self))->softspace = PyInt_AsLong(val); | |
| 801 return 0; | |
| 802 } | |
| 803 | |
| 804 PyErr_SetString(PyExc_AttributeError, _("invalid attribute")); | |
| 805 return -1; | |
| 806 } | |
| 807 | |
| 808 /*************/ | |
| 809 | |
| 810 static PyObject * | |
| 811 OutputWrite(PyObject *self, PyObject *args) | |
| 812 { | |
| 813 int len; | |
| 814 char *str; | |
| 815 int error = ((OutputObject *)(self))->error; | |
| 816 | |
| 817 if (!PyArg_ParseTuple(args, "s#", &str, &len)) | |
| 818 return NULL; | |
| 819 | |
| 820 Py_BEGIN_ALLOW_THREADS | |
| 821 Python_Lock_Vim(); | |
| 822 writer((writefn)(error ? emsg : msg), (char_u *)str, len); | |
| 823 Python_Release_Vim(); | |
| 824 Py_END_ALLOW_THREADS | |
| 825 | |
| 826 Py_INCREF(Py_None); | |
| 827 return Py_None; | |
| 828 } | |
| 829 | |
| 830 static PyObject * | |
| 831 OutputWritelines(PyObject *self, PyObject *args) | |
| 832 { | |
| 1594 | 833 PyInt n; |
| 834 PyInt i; | |
| 7 | 835 PyObject *list; |
| 836 int error = ((OutputObject *)(self))->error; | |
| 837 | |
| 838 if (!PyArg_ParseTuple(args, "O", &list)) | |
| 839 return NULL; | |
| 840 Py_INCREF(list); | |
| 841 | |
| 842 if (!PyList_Check(list)) { | |
| 843 PyErr_SetString(PyExc_TypeError, _("writelines() requires list of strings")); | |
| 844 Py_DECREF(list); | |
| 845 return NULL; | |
| 846 } | |
| 847 | |
| 848 n = PyList_Size(list); | |
| 849 | |
| 850 for (i = 0; i < n; ++i) | |
| 851 { | |
| 852 PyObject *line = PyList_GetItem(list, i); | |
| 853 char *str; | |
| 1607 | 854 PyInt len; |
| 7 | 855 |
| 856 if (!PyArg_Parse(line, "s#", &str, &len)) { | |
| 857 PyErr_SetString(PyExc_TypeError, _("writelines() requires list of strings")); | |
| 858 Py_DECREF(list); | |
| 859 return NULL; | |
| 860 } | |
| 861 | |
| 862 Py_BEGIN_ALLOW_THREADS | |
| 863 Python_Lock_Vim(); | |
| 864 writer((writefn)(error ? emsg : msg), (char_u *)str, len); | |
| 865 Python_Release_Vim(); | |
| 866 Py_END_ALLOW_THREADS | |
| 867 } | |
| 868 | |
| 869 Py_DECREF(list); | |
| 870 Py_INCREF(Py_None); | |
| 871 return Py_None; | |
| 872 } | |
| 873 | |
| 874 /* Output buffer management | |
| 875 */ | |
| 876 | |
| 877 static char_u *buffer = NULL; | |
| 1607 | 878 static PyInt buffer_len = 0; |
| 879 static PyInt buffer_size = 0; | |
| 7 | 880 |
| 881 static writefn old_fn = NULL; | |
| 882 | |
| 883 static void | |
| 1607 | 884 buffer_ensure(PyInt n) |
| 7 | 885 { |
| 1607 | 886 PyInt new_size; |
| 7 | 887 char_u *new_buffer; |
| 888 | |
| 889 if (n < buffer_size) | |
| 890 return; | |
| 891 | |
| 892 new_size = buffer_size; | |
| 893 while (new_size < n) | |
| 894 new_size += 80; | |
| 895 | |
| 896 if (new_size != buffer_size) | |
| 897 { | |
| 898 new_buffer = alloc((unsigned)new_size); | |
| 899 if (new_buffer == NULL) | |
| 900 return; | |
| 901 | |
| 902 if (buffer) | |
| 903 { | |
| 904 memcpy(new_buffer, buffer, buffer_len); | |
| 905 vim_free(buffer); | |
| 906 } | |
| 907 | |
| 908 buffer = new_buffer; | |
| 909 buffer_size = new_size; | |
| 910 } | |
| 911 } | |
| 912 | |
| 913 static void | |
| 914 PythonIO_Flush(void) | |
| 915 { | |
| 916 if (old_fn && buffer_len) | |
| 917 { | |
| 918 buffer[buffer_len] = 0; | |
| 919 old_fn(buffer); | |
| 920 } | |
| 921 | |
| 922 buffer_len = 0; | |
| 923 } | |
| 924 | |
| 925 static void | |
| 1607 | 926 writer(writefn fn, char_u *str, PyInt n) |
| 7 | 927 { |
| 928 char_u *ptr; | |
| 929 | |
| 930 if (fn != old_fn && old_fn != NULL) | |
| 931 PythonIO_Flush(); | |
| 932 | |
| 933 old_fn = fn; | |
| 934 | |
| 935 while (n > 0 && (ptr = memchr(str, '\n', n)) != NULL) | |
| 936 { | |
| 1607 | 937 PyInt len = ptr - str; |
| 7 | 938 |
| 939 buffer_ensure(buffer_len + len + 1); | |
| 940 | |
| 941 memcpy(buffer + buffer_len, str, len); | |
| 942 buffer_len += len; | |
| 943 buffer[buffer_len] = 0; | |
| 944 fn(buffer); | |
| 945 str = ptr + 1; | |
| 946 n -= len + 1; | |
| 947 buffer_len = 0; | |
| 948 } | |
| 949 | |
| 950 /* Put the remaining text into the buffer for later printing */ | |
| 951 buffer_ensure(buffer_len + n + 1); | |
| 952 memcpy(buffer + buffer_len, str, n); | |
| 953 buffer_len += n; | |
| 954 } | |
| 955 | |
| 956 /***************/ | |
| 957 | |
| 958 static OutputObject Output = | |
| 959 { | |
| 960 PyObject_HEAD_INIT(&OutputType) | |
| 961 0, | |
| 962 0 | |
| 963 }; | |
| 964 | |
| 965 static OutputObject Error = | |
| 966 { | |
| 967 PyObject_HEAD_INIT(&OutputType) | |
| 968 0, | |
| 969 1 | |
| 970 }; | |
| 971 | |
| 972 static int | |
| 973 PythonIO_Init(void) | |
| 974 { | |
| 975 /* Fixups... */ | |
| 976 OutputType.ob_type = &PyType_Type; | |
| 977 | |
| 135 | 978 PySys_SetObject("stdout", (PyObject *)(void *)&Output); |
| 979 PySys_SetObject("stderr", (PyObject *)(void *)&Error); | |
| 7 | 980 |
| 981 if (PyErr_Occurred()) | |
| 982 { | |
| 983 EMSG(_("E264: Python: Error initialising I/O objects")); | |
| 984 return -1; | |
| 985 } | |
| 986 | |
| 987 return 0; | |
| 988 } | |
| 989 | |
| 990 /****************************************************** | |
| 991 * 3. Implementation of the Vim module for Python | |
| 992 */ | |
| 993 | |
| 994 /* Vim module - Implementation functions | |
| 995 * ------------------------------------- | |
| 996 */ | |
| 997 | |
| 998 static PyObject *VimError; | |
| 999 | |
| 1000 static PyObject *VimCommand(PyObject *, PyObject *); | |
| 1001 static PyObject *VimEval(PyObject *, PyObject *); | |
| 1002 | |
| 1003 /* Window type - Implementation functions | |
| 1004 * -------------------------------------- | |
| 1005 */ | |
| 1006 | |
| 1007 typedef struct | |
| 1008 { | |
| 1009 PyObject_HEAD | |
| 1010 win_T *win; | |
| 1011 } | |
| 1012 WindowObject; | |
| 1013 | |
| 1014 #define INVALID_WINDOW_VALUE ((win_T *)(-1)) | |
| 1015 | |
| 1016 #define WindowType_Check(obj) ((obj)->ob_type == &WindowType) | |
| 1017 | |
| 1018 static PyObject *WindowNew(win_T *); | |
| 1019 | |
| 1020 static void WindowDestructor(PyObject *); | |
| 1021 static PyObject *WindowGetattr(PyObject *, char *); | |
| 1022 static int WindowSetattr(PyObject *, char *, PyObject *); | |
| 1023 static PyObject *WindowRepr(PyObject *); | |
| 1024 | |
| 1025 /* Buffer type - Implementation functions | |
| 1026 * -------------------------------------- | |
| 1027 */ | |
| 1028 | |
| 1029 typedef struct | |
| 1030 { | |
| 1031 PyObject_HEAD | |
| 1032 buf_T *buf; | |
| 1033 } | |
| 1034 BufferObject; | |
| 1035 | |
| 1036 #define INVALID_BUFFER_VALUE ((buf_T *)(-1)) | |
| 1037 | |
| 1038 #define BufferType_Check(obj) ((obj)->ob_type == &BufferType) | |
| 1039 | |
| 1040 static PyObject *BufferNew (buf_T *); | |
| 1041 | |
| 1042 static void BufferDestructor(PyObject *); | |
| 1043 static PyObject *BufferGetattr(PyObject *, char *); | |
| 1044 static PyObject *BufferRepr(PyObject *); | |
| 1045 | |
| 1594 | 1046 static PyInt BufferLength(PyObject *); |
| 1047 static PyObject *BufferItem(PyObject *, PyInt); | |
| 1048 static PyObject *BufferSlice(PyObject *, PyInt, PyInt); | |
| 1049 static PyInt BufferAssItem(PyObject *, PyInt, PyObject *); | |
| 1050 static PyInt BufferAssSlice(PyObject *, PyInt, PyInt, PyObject *); | |
| 7 | 1051 |
| 1052 static PyObject *BufferAppend(PyObject *, PyObject *); | |
| 1053 static PyObject *BufferMark(PyObject *, PyObject *); | |
| 1054 static PyObject *BufferRange(PyObject *, PyObject *); | |
| 1055 | |
| 1056 /* Line range type - Implementation functions | |
| 1057 * -------------------------------------- | |
| 1058 */ | |
| 1059 | |
| 1060 typedef struct | |
| 1061 { | |
| 1062 PyObject_HEAD | |
| 1063 BufferObject *buf; | |
| 1607 | 1064 PyInt start; |
| 1065 PyInt end; | |
| 7 | 1066 } |
| 1067 RangeObject; | |
| 1068 | |
| 1069 #define RangeType_Check(obj) ((obj)->ob_type == &RangeType) | |
| 1070 | |
| 1607 | 1071 static PyObject *RangeNew(buf_T *, PyInt, PyInt); |
| 7 | 1072 |
| 1073 static void RangeDestructor(PyObject *); | |
| 1074 static PyObject *RangeGetattr(PyObject *, char *); | |
| 1075 static PyObject *RangeRepr(PyObject *); | |
| 1076 | |
| 1594 | 1077 static PyInt RangeLength(PyObject *); |
| 1078 static PyObject *RangeItem(PyObject *, PyInt); | |
| 1079 static PyObject *RangeSlice(PyObject *, PyInt, PyInt); | |
| 1080 static PyInt RangeAssItem(PyObject *, PyInt, PyObject *); | |
| 1081 static PyInt RangeAssSlice(PyObject *, PyInt, PyInt, PyObject *); | |
| 7 | 1082 |
| 1083 static PyObject *RangeAppend(PyObject *, PyObject *); | |
| 1084 | |
| 1085 /* Window list type - Implementation functions | |
| 1086 * ------------------------------------------- | |
| 1087 */ | |
| 1088 | |
| 1594 | 1089 static PyInt WinListLength(PyObject *); |
| 1090 static PyObject *WinListItem(PyObject *, PyInt); | |
| 7 | 1091 |
| 1092 /* Buffer list type - Implementation functions | |
| 1093 * ------------------------------------------- | |
| 1094 */ | |
| 1095 | |
| 1594 | 1096 static PyInt BufListLength(PyObject *); |
| 1097 static PyObject *BufListItem(PyObject *, PyInt); | |
| 7 | 1098 |
| 1099 /* Current objects type - Implementation functions | |
| 1100 * ----------------------------------------------- | |
| 1101 */ | |
| 1102 | |
| 1103 static PyObject *CurrentGetattr(PyObject *, char *); | |
| 1104 static int CurrentSetattr(PyObject *, char *, PyObject *); | |
| 1105 | |
| 1106 /* Vim module - Definitions | |
| 1107 */ | |
| 1108 | |
| 1109 static struct PyMethodDef VimMethods[] = { | |
| 1110 /* name, function, calling, documentation */ | |
| 1607 | 1111 {"command", VimCommand, 1, "Execute a Vim ex-mode command" }, |
| 1112 {"eval", VimEval, 1, "Evaluate an expression using Vim evaluator" }, | |
| 7 | 1113 { NULL, NULL, 0, NULL } |
| 1114 }; | |
| 1115 | |
| 1116 /* Vim module - Implementation | |
| 1117 */ | |
| 1118 static PyObject * | |
| 1887 | 1119 VimCommand(PyObject *self UNUSED, PyObject *args) |
| 7 | 1120 { |
| 1121 char *cmd; | |
| 1122 PyObject *result; | |
| 1123 | |
| 1124 if (!PyArg_ParseTuple(args, "s", &cmd)) | |
| 1125 return NULL; | |
| 1126 | |
| 1127 PyErr_Clear(); | |
| 1128 | |
| 1129 Py_BEGIN_ALLOW_THREADS | |
| 1130 Python_Lock_Vim(); | |
| 1131 | |
| 1132 do_cmdline_cmd((char_u *)cmd); | |
| 1133 update_screen(VALID); | |
| 1134 | |
| 1135 Python_Release_Vim(); | |
| 1136 Py_END_ALLOW_THREADS | |
| 1137 | |
| 1138 if (VimErrorCheck()) | |
| 1139 result = NULL; | |
| 1140 else | |
| 1141 result = Py_None; | |
| 1142 | |
| 1143 Py_XINCREF(result); | |
| 1144 return result; | |
| 1145 } | |
| 1146 | |
| 1681 | 1147 #ifdef FEAT_EVAL |
| 634 | 1148 /* |
| 1149 * Function to translate a typval_T into a PyObject; this will recursively | |
| 1150 * translate lists/dictionaries into their Python equivalents. | |
| 1151 * | |
| 1607 | 1152 * The depth parameter is to avoid infinite recursion, set it to 1 when |
| 634 | 1153 * you call VimToPython. |
| 1154 */ | |
| 1155 static PyObject * | |
| 1156 VimToPython(typval_T *our_tv, int depth, PyObject *lookupDict) | |
| 1157 { | |
| 1158 PyObject *result; | |
| 1159 PyObject *newObj; | |
| 1160 char ptrBuf[NUMBUFLEN]; | |
| 1161 | |
| 1162 /* Avoid infinite recursion */ | |
| 1163 if (depth > 100) | |
| 1164 { | |
| 856 | 1165 Py_INCREF(Py_None); |
| 1166 result = Py_None; | |
| 1167 return result; | |
| 634 | 1168 } |
| 1169 | |
| 1170 /* Check if we run into a recursive loop. The item must be in lookupDict | |
| 1171 * then and we can use it again. */ | |
| 1786 | 1172 if ((our_tv->v_type == VAR_LIST && our_tv->vval.v_list != NULL) |
| 1173 || (our_tv->v_type == VAR_DICT && our_tv->vval.v_dict != NULL)) | |
| 1174 { | |
| 1175 sprintf(ptrBuf, PRINTF_DECIMAL_LONG_U, | |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2250
diff
changeset
|
1176 our_tv->v_type == VAR_LIST ? (long_u)our_tv->vval.v_list |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2250
diff
changeset
|
1177 : (long_u)our_tv->vval.v_dict); |
| 1786 | 1178 result = PyDict_GetItemString(lookupDict, ptrBuf); |
| 1179 if (result != NULL) | |
| 1180 { | |
| 1181 Py_INCREF(result); | |
| 1182 return result; | |
| 1183 } | |
| 1184 } | |
| 1185 | |
| 1186 if (our_tv->v_type == VAR_STRING) | |
| 634 | 1187 { |
| 856 | 1188 result = Py_BuildValue("s", our_tv->vval.v_string); |
| 634 | 1189 } |
| 1190 else if (our_tv->v_type == VAR_NUMBER) | |
| 1191 { | |
| 856 | 1192 char buf[NUMBUFLEN]; |
| 634 | 1193 |
| 1194 /* For backwards compatibility numbers are stored as strings. */ | |
| 856 | 1195 sprintf(buf, "%ld", (long)our_tv->vval.v_number); |
| 1196 result = Py_BuildValue("s", buf); | |
| 634 | 1197 } |
| 1681 | 1198 # ifdef FEAT_FLOAT |
| 1594 | 1199 else if (our_tv->v_type == VAR_FLOAT) |
| 1200 { | |
| 1201 char buf[NUMBUFLEN]; | |
| 1202 | |
| 1203 sprintf(buf, "%f", our_tv->vval.v_float); | |
| 1204 result = Py_BuildValue("s", buf); | |
| 1205 } | |
| 1681 | 1206 # endif |
| 634 | 1207 else if (our_tv->v_type == VAR_LIST) |
| 1208 { | |
| 856 | 1209 list_T *list = our_tv->vval.v_list; |
| 1210 listitem_T *curr; | |
| 1211 | |
| 1212 result = PyList_New(0); | |
| 634 | 1213 |
| 1214 if (list != NULL) | |
| 1215 { | |
| 1786 | 1216 PyDict_SetItemString(lookupDict, ptrBuf, result); |
| 1217 | |
| 634 | 1218 for (curr = list->lv_first; curr != NULL; curr = curr->li_next) |
| 1219 { | |
| 1220 newObj = VimToPython(&curr->li_tv, depth + 1, lookupDict); | |
| 1221 PyList_Append(result, newObj); | |
| 1222 Py_DECREF(newObj); | |
| 1223 } | |
| 1224 } | |
| 1225 } | |
| 1226 else if (our_tv->v_type == VAR_DICT) | |
| 1227 { | |
| 856 | 1228 result = PyDict_New(); |
| 634 | 1229 |
| 1230 if (our_tv->vval.v_dict != NULL) | |
| 1231 { | |
| 1232 hashtab_T *ht = &our_tv->vval.v_dict->dv_hashtab; | |
| 1607 | 1233 long_u todo = ht->ht_used; |
| 634 | 1234 hashitem_T *hi; |
| 1235 dictitem_T *di; | |
| 1236 | |
| 1786 | 1237 PyDict_SetItemString(lookupDict, ptrBuf, result); |
| 1238 | |
| 634 | 1239 for (hi = ht->ht_array; todo > 0; ++hi) |
| 1240 { | |
| 1241 if (!HASHITEM_EMPTY(hi)) | |
| 1242 { | |
| 1243 --todo; | |
| 1244 | |
| 1245 di = dict_lookup(hi); | |
| 1246 newObj = VimToPython(&di->di_tv, depth + 1, lookupDict); | |
| 1247 PyDict_SetItemString(result, (char *)hi->hi_key, newObj); | |
| 1248 Py_DECREF(newObj); | |
| 1249 } | |
| 1250 } | |
| 1251 } | |
| 1252 } | |
| 1253 else | |
| 1254 { | |
| 856 | 1255 Py_INCREF(Py_None); |
| 1256 result = Py_None; | |
| 634 | 1257 } |
| 1258 | |
| 1259 return result; | |
| 1260 } | |
| 1681 | 1261 #endif |
| 634 | 1262 |
| 7 | 1263 static PyObject * |
| 1887 | 1264 VimEval(PyObject *self UNUSED, PyObject *args) |
| 7 | 1265 { |
| 1266 #ifdef FEAT_EVAL | |
| 1267 char *expr; | |
| 634 | 1268 typval_T *our_tv; |
| 7 | 1269 PyObject *result; |
| 634 | 1270 PyObject *lookup_dict; |
| 7 | 1271 |
| 1272 if (!PyArg_ParseTuple(args, "s", &expr)) | |
| 1273 return NULL; | |
| 1274 | |
| 1275 Py_BEGIN_ALLOW_THREADS | |
| 1276 Python_Lock_Vim(); | |
| 634 | 1277 our_tv = eval_expr((char_u *)expr, NULL); |
| 1278 | |
| 7 | 1279 Python_Release_Vim(); |
| 1280 Py_END_ALLOW_THREADS | |
| 1281 | |
| 634 | 1282 if (our_tv == NULL) |
| 7 | 1283 { |
| 1284 PyErr_SetVim(_("invalid expression")); | |
| 1285 return NULL; | |
| 1286 } | |
| 1287 | |
| 634 | 1288 /* Convert the Vim type into a Python type. Create a dictionary that's |
| 1289 * used to check for recursive loops. */ | |
| 1290 lookup_dict = PyDict_New(); | |
| 1291 result = VimToPython(our_tv, 1, lookup_dict); | |
| 1292 Py_DECREF(lookup_dict); | |
| 1293 | |
| 7 | 1294 |
| 1295 Py_BEGIN_ALLOW_THREADS | |
| 1296 Python_Lock_Vim(); | |
| 634 | 1297 free_tv(our_tv); |
| 7 | 1298 Python_Release_Vim(); |
| 1299 Py_END_ALLOW_THREADS | |
| 1300 | |
| 1301 return result; | |
| 1302 #else | |
| 1303 PyErr_SetVim(_("expressions disabled at compile time")); | |
| 1304 return NULL; | |
| 1305 #endif | |
| 1306 } | |
| 1307 | |
| 1308 /* Common routines for buffers and line ranges | |
| 1309 * ------------------------------------------- | |
| 1310 */ | |
| 1311 static int | |
| 1312 CheckBuffer(BufferObject *this) | |
| 1313 { | |
| 1314 if (this->buf == INVALID_BUFFER_VALUE) | |
| 1315 { | |
| 1316 PyErr_SetVim(_("attempt to refer to deleted buffer")); | |
| 1317 return -1; | |
| 1318 } | |
| 1319 | |
| 1320 return 0; | |
| 1321 } | |
| 1322 | |
| 1323 static PyObject * | |
| 1607 | 1324 RBItem(BufferObject *self, PyInt n, PyInt start, PyInt end) |
| 7 | 1325 { |
| 1326 if (CheckBuffer(self)) | |
| 1327 return NULL; | |
| 1328 | |
| 1329 if (n < 0 || n > end - start) | |
| 1330 { | |
| 1331 PyErr_SetString(PyExc_IndexError, _("line number out of range")); | |
| 1332 return NULL; | |
| 1333 } | |
| 1334 | |
| 1335 return GetBufferLine(self->buf, n+start); | |
| 1336 } | |
| 1337 | |
| 1338 static PyObject * | |
| 1607 | 1339 RBSlice(BufferObject *self, PyInt lo, PyInt hi, PyInt start, PyInt end) |
| 7 | 1340 { |
| 1594 | 1341 PyInt size; |
| 7 | 1342 |
| 1343 if (CheckBuffer(self)) | |
| 1344 return NULL; | |
| 1345 | |
| 1346 size = end - start + 1; | |
| 1347 | |
| 1348 if (lo < 0) | |
| 1349 lo = 0; | |
| 1350 else if (lo > size) | |
| 1351 lo = size; | |
| 1352 if (hi < 0) | |
| 1353 hi = 0; | |
| 1354 if (hi < lo) | |
| 1355 hi = lo; | |
| 1356 else if (hi > size) | |
| 1357 hi = size; | |
| 1358 | |
| 1359 return GetBufferLineList(self->buf, lo+start, hi+start); | |
| 1360 } | |
| 1361 | |
| 1594 | 1362 static PyInt |
| 1607 | 1363 RBAssItem(BufferObject *self, PyInt n, PyObject *val, PyInt start, PyInt end, PyInt *new_end) |
| 7 | 1364 { |
| 1607 | 1365 PyInt len_change; |
| 7 | 1366 |
| 1367 if (CheckBuffer(self)) | |
| 1368 return -1; | |
| 1369 | |
| 1370 if (n < 0 || n > end - start) | |
| 1371 { | |
| 1372 PyErr_SetString(PyExc_IndexError, _("line number out of range")); | |
| 1373 return -1; | |
| 1374 } | |
| 1375 | |
| 1376 if (SetBufferLine(self->buf, n+start, val, &len_change) == FAIL) | |
| 1377 return -1; | |
| 1378 | |
| 1379 if (new_end) | |
| 1380 *new_end = end + len_change; | |
| 1381 | |
| 1382 return 0; | |
| 1383 } | |
| 1384 | |
| 1594 | 1385 static PyInt |
| 1607 | 1386 RBAssSlice(BufferObject *self, PyInt lo, PyInt hi, PyObject *val, PyInt start, PyInt end, PyInt *new_end) |
| 7 | 1387 { |
| 1607 | 1388 PyInt size; |
| 1389 PyInt len_change; | |
| 7 | 1390 |
| 1391 /* Self must be a valid buffer */ | |
| 1392 if (CheckBuffer(self)) | |
| 1393 return -1; | |
| 1394 | |
| 1395 /* Sort out the slice range */ | |
| 1396 size = end - start + 1; | |
| 1397 | |
| 1398 if (lo < 0) | |
| 1399 lo = 0; | |
| 1400 else if (lo > size) | |
| 1401 lo = size; | |
| 1402 if (hi < 0) | |
| 1403 hi = 0; | |
| 1404 if (hi < lo) | |
| 1405 hi = lo; | |
| 1406 else if (hi > size) | |
| 1407 hi = size; | |
| 1408 | |
| 1409 if (SetBufferLineList(self->buf, lo+start, hi+start, val, &len_change) == FAIL) | |
| 1410 return -1; | |
| 1411 | |
| 1412 if (new_end) | |
| 1413 *new_end = end + len_change; | |
| 1414 | |
| 1415 return 0; | |
| 1416 } | |
| 1417 | |
| 1418 static PyObject * | |
| 1607 | 1419 RBAppend(BufferObject *self, PyObject *args, PyInt start, PyInt end, PyInt *new_end) |
| 7 | 1420 { |
| 1421 PyObject *lines; | |
| 1607 | 1422 PyInt len_change; |
| 1423 PyInt max; | |
| 1424 PyInt n; | |
| 7 | 1425 |
| 1426 if (CheckBuffer(self)) | |
| 1427 return NULL; | |
| 1428 | |
| 1429 max = n = end - start + 1; | |
| 1430 | |
| 1607 | 1431 if (!PyArg_ParseTuple(args, "O|" Py_ssize_t_fmt, &lines, &n)) |
| 7 | 1432 return NULL; |
| 1433 | |
| 1434 if (n < 0 || n > max) | |
| 1435 { | |
| 1436 PyErr_SetString(PyExc_ValueError, _("line number out of range")); | |
| 1437 return NULL; | |
| 1438 } | |
| 1439 | |
| 1440 if (InsertBufferLines(self->buf, n + start - 1, lines, &len_change) == FAIL) | |
| 1441 return NULL; | |
| 1442 | |
| 1443 if (new_end) | |
| 1444 *new_end = end + len_change; | |
| 1445 | |
| 1446 Py_INCREF(Py_None); | |
| 1447 return Py_None; | |
| 1448 } | |
| 1449 | |
| 1450 | |
| 1451 /* Buffer object - Definitions | |
| 1452 */ | |
| 1453 | |
| 1454 static struct PyMethodDef BufferMethods[] = { | |
| 1455 /* name, function, calling, documentation */ | |
| 1607 | 1456 {"append", BufferAppend, 1, "Append data to Vim buffer" }, |
| 1457 {"mark", BufferMark, 1, "Return (row,col) representing position of named mark" }, | |
| 1458 {"range", BufferRange, 1, "Return a range object which represents the part of the given buffer between line numbers s and e" }, | |
| 7 | 1459 { NULL, NULL, 0, NULL } |
| 1460 }; | |
| 1461 | |
| 1462 static PySequenceMethods BufferAsSeq = { | |
| 1594 | 1463 (PyInquiry) BufferLength, /* sq_length, len(x) */ |
| 7 | 1464 (binaryfunc) 0, /* BufferConcat, */ /* sq_concat, x+y */ |
| 1594 | 1465 (PyIntArgFunc) 0, /* BufferRepeat, */ /* sq_repeat, x*n */ |
| 1466 (PyIntArgFunc) BufferItem, /* sq_item, x[i] */ | |
| 1467 (PyIntIntArgFunc) BufferSlice, /* sq_slice, x[i:j] */ | |
| 1468 (PyIntObjArgProc) BufferAssItem, /* sq_ass_item, x[i]=v */ | |
| 1469 (PyIntIntObjArgProc) BufferAssSlice, /* sq_ass_slice, x[i:j]=v */ | |
| 7 | 1470 }; |
| 1471 | |
| 1472 static PyTypeObject BufferType = { | |
| 1473 PyObject_HEAD_INIT(0) | |
| 1474 0, | |
| 1475 "buffer", | |
| 1476 sizeof(BufferObject), | |
| 1477 0, | |
| 1478 | |
| 1479 (destructor) BufferDestructor, /* tp_dealloc, refcount==0 */ | |
| 1480 (printfunc) 0, /* tp_print, print x */ | |
| 1481 (getattrfunc) BufferGetattr, /* tp_getattr, x.attr */ | |
| 1482 (setattrfunc) 0, /* tp_setattr, x.attr=v */ | |
| 1483 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 1484 (reprfunc) BufferRepr, /* tp_repr, `x`, print x */ | |
| 1485 | |
| 1486 0, /* as number */ | |
| 1487 &BufferAsSeq, /* as sequence */ | |
| 1488 0, /* as mapping */ | |
| 1489 | |
| 1490 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 1491 (ternaryfunc) 0, /* tp_call, x() */ | |
| 1492 (reprfunc) 0, /* tp_str, str(x) */ | |
| 1493 }; | |
| 1494 | |
| 1495 /* Buffer object - Implementation | |
| 1496 */ | |
| 1497 | |
| 1498 static PyObject * | |
| 1499 BufferNew(buf_T *buf) | |
| 1500 { | |
| 1501 /* We need to handle deletion of buffers underneath us. | |
| 502 | 1502 * If we add a "b_python_ref" field to the buf_T structure, |
| 7 | 1503 * then we can get at it in buf_freeall() in vim. We then |
| 1504 * need to create only ONE Python object per buffer - if | |
| 1505 * we try to create a second, just INCREF the existing one | |
| 1506 * and return it. The (single) Python object referring to | |
| 502 | 1507 * the buffer is stored in "b_python_ref". |
| 7 | 1508 * Question: what to do on a buf_freeall(). We'll probably |
| 1509 * have to either delete the Python object (DECREF it to | |
| 1510 * zero - a bad idea, as it leaves dangling refs!) or | |
| 1511 * set the buf_T * value to an invalid value (-1?), which | |
| 1512 * means we need checks in all access functions... Bah. | |
| 1513 */ | |
| 1514 | |
| 1515 BufferObject *self; | |
| 1516 | |
| 502 | 1517 if (buf->b_python_ref != NULL) |
| 7 | 1518 { |
| 502 | 1519 self = buf->b_python_ref; |
| 7 | 1520 Py_INCREF(self); |
| 1521 } | |
| 1522 else | |
| 1523 { | |
| 1524 self = PyObject_NEW(BufferObject, &BufferType); | |
| 1525 if (self == NULL) | |
| 1526 return NULL; | |
| 1527 self->buf = buf; | |
| 502 | 1528 buf->b_python_ref = self; |
| 7 | 1529 } |
| 1530 | |
| 1531 return (PyObject *)(self); | |
| 1532 } | |
| 1533 | |
| 1534 static void | |
| 1535 BufferDestructor(PyObject *self) | |
| 1536 { | |
| 1537 BufferObject *this = (BufferObject *)(self); | |
| 1538 | |
| 1539 if (this->buf && this->buf != INVALID_BUFFER_VALUE) | |
| 502 | 1540 this->buf->b_python_ref = NULL; |
| 7 | 1541 |
| 986 | 1542 Py_DECREF(self); |
| 7 | 1543 } |
| 1544 | |
| 1545 static PyObject * | |
| 1546 BufferGetattr(PyObject *self, char *name) | |
| 1547 { | |
| 1548 BufferObject *this = (BufferObject *)(self); | |
| 1549 | |
| 1550 if (CheckBuffer(this)) | |
| 1551 return NULL; | |
| 1552 | |
| 1553 if (strcmp(name, "name") == 0) | |
| 1607 | 1554 return Py_BuildValue("s", this->buf->b_ffname); |
| 7 | 1555 else if (strcmp(name, "number") == 0) |
| 1607 | 1556 return Py_BuildValue(Py_ssize_t_fmt, this->buf->b_fnum); |
| 7 | 1557 else if (strcmp(name,"__members__") == 0) |
| 1558 return Py_BuildValue("[ss]", "name", "number"); | |
| 1559 else | |
| 1560 return Py_FindMethod(BufferMethods, self, name); | |
| 1561 } | |
| 1562 | |
| 1563 static PyObject * | |
| 1564 BufferRepr(PyObject *self) | |
| 1565 { | |
| 274 | 1566 static char repr[100]; |
| 7 | 1567 BufferObject *this = (BufferObject *)(self); |
| 1568 | |
| 1569 if (this->buf == INVALID_BUFFER_VALUE) | |
| 1570 { | |
| 1607 | 1571 vim_snprintf(repr, 100, _("<buffer object (deleted) at %p>"), (self)); |
| 7 | 1572 return PyString_FromString(repr); |
| 1573 } | |
| 1574 else | |
| 1575 { | |
| 1576 char *name = (char *)this->buf->b_fname; | |
| 1607 | 1577 PyInt len; |
| 7 | 1578 |
| 1579 if (name == NULL) | |
| 1580 name = ""; | |
| 1581 len = strlen(name); | |
| 1582 | |
| 1583 if (len > 35) | |
| 1584 name = name + (35 - len); | |
| 1585 | |
| 274 | 1586 vim_snprintf(repr, 100, "<buffer %s%s>", len > 35 ? "..." : "", name); |
| 7 | 1587 |
| 1588 return PyString_FromString(repr); | |
| 1589 } | |
| 1590 } | |
| 1591 | |
| 1592 /******************/ | |
| 1593 | |
| 1594 | 1594 static PyInt |
| 7 | 1595 BufferLength(PyObject *self) |
| 1596 { | |
| 1597 /* HOW DO WE SIGNAL AN ERROR FROM THIS FUNCTION? */ | |
| 1598 if (CheckBuffer((BufferObject *)(self))) | |
| 1599 return -1; /* ??? */ | |
| 1600 | |
| 1601 return (((BufferObject *)(self))->buf->b_ml.ml_line_count); | |
| 1602 } | |
| 1603 | |
| 1604 static PyObject * | |
| 1594 | 1605 BufferItem(PyObject *self, PyInt n) |
| 7 | 1606 { |
| 1607 return RBItem((BufferObject *)(self), n, 1, | |
| 1608 (int)((BufferObject *)(self))->buf->b_ml.ml_line_count); | |
| 1609 } | |
| 1610 | |
| 1611 static PyObject * | |
| 1594 | 1612 BufferSlice(PyObject *self, PyInt lo, PyInt hi) |
| 7 | 1613 { |
| 1614 return RBSlice((BufferObject *)(self), lo, hi, 1, | |
| 1615 (int)((BufferObject *)(self))->buf->b_ml.ml_line_count); | |
| 1616 } | |
| 1617 | |
| 1594 | 1618 static PyInt |
| 1619 BufferAssItem(PyObject *self, PyInt n, PyObject *val) | |
| 7 | 1620 { |
| 1621 return RBAssItem((BufferObject *)(self), n, val, 1, | |
| 1607 | 1622 (PyInt)((BufferObject *)(self))->buf->b_ml.ml_line_count, |
| 7 | 1623 NULL); |
| 1624 } | |
| 1625 | |
| 1594 | 1626 static PyInt |
| 1627 BufferAssSlice(PyObject *self, PyInt lo, PyInt hi, PyObject *val) | |
| 7 | 1628 { |
| 1629 return RBAssSlice((BufferObject *)(self), lo, hi, val, 1, | |
| 1607 | 1630 (PyInt)((BufferObject *)(self))->buf->b_ml.ml_line_count, |
| 7 | 1631 NULL); |
| 1632 } | |
| 1633 | |
| 1634 static PyObject * | |
| 1635 BufferAppend(PyObject *self, PyObject *args) | |
| 1636 { | |
| 1637 return RBAppend((BufferObject *)(self), args, 1, | |
| 1607 | 1638 (PyInt)((BufferObject *)(self))->buf->b_ml.ml_line_count, |
| 7 | 1639 NULL); |
| 1640 } | |
| 1641 | |
| 1642 static PyObject * | |
| 1643 BufferMark(PyObject *self, PyObject *args) | |
| 1644 { | |
| 1645 pos_T *posp; | |
| 1646 char mark; | |
| 1647 buf_T *curbuf_save; | |
| 1648 | |
| 1649 if (CheckBuffer((BufferObject *)(self))) | |
| 1650 return NULL; | |
| 1651 | |
| 1652 if (!PyArg_ParseTuple(args, "c", &mark)) | |
| 1653 return NULL; | |
| 1654 | |
| 1655 curbuf_save = curbuf; | |
| 1656 curbuf = ((BufferObject *)(self))->buf; | |
| 1657 posp = getmark(mark, FALSE); | |
| 1658 curbuf = curbuf_save; | |
| 1659 | |
| 1660 if (posp == NULL) | |
| 1661 { | |
| 1662 PyErr_SetVim(_("invalid mark name")); | |
| 1663 return NULL; | |
| 1664 } | |
| 1665 | |
| 1666 /* Ckeck for keyboard interrupt */ | |
| 1667 if (VimErrorCheck()) | |
| 1668 return NULL; | |
| 1669 | |
| 1670 if (posp->lnum <= 0) | |
| 1671 { | |
| 1672 /* Or raise an error? */ | |
| 1673 Py_INCREF(Py_None); | |
| 1674 return Py_None; | |
| 1675 } | |
| 1676 | |
| 1677 return Py_BuildValue("(ll)", (long)(posp->lnum), (long)(posp->col)); | |
| 1678 } | |
| 1679 | |
| 1680 static PyObject * | |
| 1681 BufferRange(PyObject *self, PyObject *args) | |
| 1682 { | |
| 1607 | 1683 PyInt start; |
| 1684 PyInt end; | |
| 7 | 1685 |
| 1686 if (CheckBuffer((BufferObject *)(self))) | |
| 1687 return NULL; | |
| 1688 | |
| 1607 | 1689 if (!PyArg_ParseTuple(args, Py_ssize_t_fmt Py_ssize_t_fmt, &start, &end)) |
| 7 | 1690 return NULL; |
| 1691 | |
| 1692 return RangeNew(((BufferObject *)(self))->buf, start, end); | |
| 1693 } | |
| 1694 | |
| 1695 /* Line range object - Definitions | |
| 1696 */ | |
| 1697 | |
| 1698 static struct PyMethodDef RangeMethods[] = { | |
| 1699 /* name, function, calling, documentation */ | |
| 1607 | 1700 {"append", RangeAppend, 1, "Append data to the Vim range" }, |
| 7 | 1701 { NULL, NULL, 0, NULL } |
| 1702 }; | |
| 1703 | |
| 1704 static PySequenceMethods RangeAsSeq = { | |
| 1594 | 1705 (PyInquiry) RangeLength, /* sq_length, len(x) */ |
| 7 | 1706 (binaryfunc) 0, /* RangeConcat, */ /* sq_concat, x+y */ |
| 1594 | 1707 (PyIntArgFunc) 0, /* RangeRepeat, */ /* sq_repeat, x*n */ |
| 1708 (PyIntArgFunc) RangeItem, /* sq_item, x[i] */ | |
| 1709 (PyIntIntArgFunc) RangeSlice, /* sq_slice, x[i:j] */ | |
| 1710 (PyIntObjArgProc) RangeAssItem, /* sq_ass_item, x[i]=v */ | |
| 1711 (PyIntIntObjArgProc) RangeAssSlice, /* sq_ass_slice, x[i:j]=v */ | |
| 7 | 1712 }; |
| 1713 | |
| 1714 static PyTypeObject RangeType = { | |
| 1715 PyObject_HEAD_INIT(0) | |
| 1716 0, | |
| 1717 "range", | |
| 1718 sizeof(RangeObject), | |
| 1719 0, | |
| 1720 | |
| 1721 (destructor) RangeDestructor, /* tp_dealloc, refcount==0 */ | |
| 1722 (printfunc) 0, /* tp_print, print x */ | |
| 1723 (getattrfunc) RangeGetattr, /* tp_getattr, x.attr */ | |
| 1724 (setattrfunc) 0, /* tp_setattr, x.attr=v */ | |
| 1725 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 1726 (reprfunc) RangeRepr, /* tp_repr, `x`, print x */ | |
| 1727 | |
| 1728 0, /* as number */ | |
| 1729 &RangeAsSeq, /* as sequence */ | |
| 1730 0, /* as mapping */ | |
| 1731 | |
| 1732 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 1733 (ternaryfunc) 0, /* tp_call, x() */ | |
| 1734 (reprfunc) 0, /* tp_str, str(x) */ | |
| 1735 }; | |
| 1736 | |
| 1737 /* Line range object - Implementation | |
| 1738 */ | |
| 1739 | |
| 1740 static PyObject * | |
| 1607 | 1741 RangeNew(buf_T *buf, PyInt start, PyInt end) |
| 7 | 1742 { |
| 1743 BufferObject *bufr; | |
| 1744 RangeObject *self; | |
| 1745 self = PyObject_NEW(RangeObject, &RangeType); | |
| 1746 if (self == NULL) | |
| 1747 return NULL; | |
| 1748 | |
| 1749 bufr = (BufferObject *)BufferNew(buf); | |
| 1750 if (bufr == NULL) | |
| 1751 { | |
| 986 | 1752 Py_DECREF(self); |
| 7 | 1753 return NULL; |
| 1754 } | |
| 1755 Py_INCREF(bufr); | |
| 1756 | |
| 1757 self->buf = bufr; | |
| 1758 self->start = start; | |
| 1759 self->end = end; | |
| 1760 | |
| 1761 return (PyObject *)(self); | |
| 1762 } | |
| 1763 | |
| 1764 static void | |
| 1765 RangeDestructor(PyObject *self) | |
| 1766 { | |
| 1767 Py_DECREF(((RangeObject *)(self))->buf); | |
| 986 | 1768 Py_DECREF(self); |
| 7 | 1769 } |
| 1770 | |
| 1771 static PyObject * | |
| 1772 RangeGetattr(PyObject *self, char *name) | |
| 1773 { | |
| 1774 if (strcmp(name, "start") == 0) | |
| 1607 | 1775 return Py_BuildValue(Py_ssize_t_fmt, ((RangeObject *)(self))->start - 1); |
| 7 | 1776 else if (strcmp(name, "end") == 0) |
| 1607 | 1777 return Py_BuildValue(Py_ssize_t_fmt, ((RangeObject *)(self))->end - 1); |
| 7 | 1778 else |
| 1779 return Py_FindMethod(RangeMethods, self, name); | |
| 1780 } | |
| 1781 | |
| 1782 static PyObject * | |
| 1783 RangeRepr(PyObject *self) | |
| 1784 { | |
| 274 | 1785 static char repr[100]; |
| 7 | 1786 RangeObject *this = (RangeObject *)(self); |
| 1787 | |
| 1788 if (this->buf->buf == INVALID_BUFFER_VALUE) | |
| 1789 { | |
| 1607 | 1790 vim_snprintf(repr, 100, "<range object (for deleted buffer) at %p>", |
| 1791 (self)); | |
| 7 | 1792 return PyString_FromString(repr); |
| 1793 } | |
| 1794 else | |
| 1795 { | |
| 1796 char *name = (char *)this->buf->buf->b_fname; | |
| 1797 int len; | |
| 1798 | |
| 1799 if (name == NULL) | |
| 1800 name = ""; | |
| 1668 | 1801 len = (int)strlen(name); |
| 7 | 1802 |
| 1803 if (len > 45) | |
| 1804 name = name + (45 - len); | |
| 1805 | |
| 274 | 1806 vim_snprintf(repr, 100, "<range %s%s (%d:%d)>", |
| 7 | 1807 len > 45 ? "..." : "", name, |
| 1808 this->start, this->end); | |
| 1809 | |
| 1810 return PyString_FromString(repr); | |
| 1811 } | |
| 1812 } | |
| 1813 | |
| 1814 /****************/ | |
| 1815 | |
| 1594 | 1816 static PyInt |
| 7 | 1817 RangeLength(PyObject *self) |
| 1818 { | |
| 1819 /* HOW DO WE SIGNAL AN ERROR FROM THIS FUNCTION? */ | |
| 1820 if (CheckBuffer(((RangeObject *)(self))->buf)) | |
| 1821 return -1; /* ??? */ | |
| 1822 | |
| 1823 return (((RangeObject *)(self))->end - ((RangeObject *)(self))->start + 1); | |
| 1824 } | |
| 1825 | |
| 1826 static PyObject * | |
| 1594 | 1827 RangeItem(PyObject *self, PyInt n) |
| 7 | 1828 { |
| 1829 return RBItem(((RangeObject *)(self))->buf, n, | |
| 1830 ((RangeObject *)(self))->start, | |
| 1831 ((RangeObject *)(self))->end); | |
| 1832 } | |
| 1833 | |
| 1834 static PyObject * | |
| 1594 | 1835 RangeSlice(PyObject *self, PyInt lo, PyInt hi) |
| 7 | 1836 { |
| 1837 return RBSlice(((RangeObject *)(self))->buf, lo, hi, | |
| 1838 ((RangeObject *)(self))->start, | |
| 1839 ((RangeObject *)(self))->end); | |
| 1840 } | |
| 1841 | |
| 1594 | 1842 static PyInt |
| 1843 RangeAssItem(PyObject *self, PyInt n, PyObject *val) | |
| 7 | 1844 { |
| 1845 return RBAssItem(((RangeObject *)(self))->buf, n, val, | |
| 1846 ((RangeObject *)(self))->start, | |
| 1847 ((RangeObject *)(self))->end, | |
| 1848 &((RangeObject *)(self))->end); | |
| 1849 } | |
| 1850 | |
| 1594 | 1851 static PyInt |
| 1852 RangeAssSlice(PyObject *self, PyInt lo, PyInt hi, PyObject *val) | |
| 7 | 1853 { |
| 1854 return RBAssSlice(((RangeObject *)(self))->buf, lo, hi, val, | |
| 1855 ((RangeObject *)(self))->start, | |
| 1856 ((RangeObject *)(self))->end, | |
| 1857 &((RangeObject *)(self))->end); | |
| 1858 } | |
| 1859 | |
| 1860 static PyObject * | |
| 1861 RangeAppend(PyObject *self, PyObject *args) | |
| 1862 { | |
| 1863 return RBAppend(((RangeObject *)(self))->buf, args, | |
| 1864 ((RangeObject *)(self))->start, | |
| 1865 ((RangeObject *)(self))->end, | |
| 1866 &((RangeObject *)(self))->end); | |
| 1867 } | |
| 1868 | |
| 1869 /* Buffer list object - Definitions | |
| 1870 */ | |
| 1871 | |
| 1872 typedef struct | |
| 1873 { | |
| 1874 PyObject_HEAD | |
| 1875 } | |
| 1876 BufListObject; | |
| 1877 | |
| 1878 static PySequenceMethods BufListAsSeq = { | |
| 1594 | 1879 (PyInquiry) BufListLength, /* sq_length, len(x) */ |
| 7 | 1880 (binaryfunc) 0, /* sq_concat, x+y */ |
| 1594 | 1881 (PyIntArgFunc) 0, /* sq_repeat, x*n */ |
| 1882 (PyIntArgFunc) BufListItem, /* sq_item, x[i] */ | |
| 1883 (PyIntIntArgFunc) 0, /* sq_slice, x[i:j] */ | |
| 1884 (PyIntObjArgProc) 0, /* sq_ass_item, x[i]=v */ | |
| 1885 (PyIntIntObjArgProc) 0, /* sq_ass_slice, x[i:j]=v */ | |
| 7 | 1886 }; |
| 1887 | |
| 1888 static PyTypeObject BufListType = { | |
| 1889 PyObject_HEAD_INIT(0) | |
| 1890 0, | |
| 1891 "buffer list", | |
| 1892 sizeof(BufListObject), | |
| 1893 0, | |
| 1894 | |
| 1895 (destructor) 0, /* tp_dealloc, refcount==0 */ | |
| 1896 (printfunc) 0, /* tp_print, print x */ | |
| 1897 (getattrfunc) 0, /* tp_getattr, x.attr */ | |
| 1898 (setattrfunc) 0, /* tp_setattr, x.attr=v */ | |
| 1899 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 1900 (reprfunc) 0, /* tp_repr, `x`, print x */ | |
| 1901 | |
| 1902 0, /* as number */ | |
| 1903 &BufListAsSeq, /* as sequence */ | |
| 1904 0, /* as mapping */ | |
| 1905 | |
| 1906 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 1907 (ternaryfunc) 0, /* tp_call, x() */ | |
| 1908 (reprfunc) 0, /* tp_str, str(x) */ | |
| 1909 }; | |
| 1910 | |
| 1911 /* Buffer list object - Implementation | |
| 1912 */ | |
| 1913 | |
| 1594 | 1914 static PyInt |
| 1887 | 1915 BufListLength(PyObject *self UNUSED) |
| 7 | 1916 { |
| 1917 buf_T *b = firstbuf; | |
| 1607 | 1918 PyInt n = 0; |
| 7 | 1919 |
| 1920 while (b) | |
| 1921 { | |
| 1922 ++n; | |
| 1923 b = b->b_next; | |
| 1924 } | |
| 1925 | |
| 1926 return n; | |
| 1927 } | |
| 1928 | |
| 1929 static PyObject * | |
| 1887 | 1930 BufListItem(PyObject *self UNUSED, PyInt n) |
| 7 | 1931 { |
| 1932 buf_T *b; | |
| 1933 | |
| 1934 for (b = firstbuf; b; b = b->b_next, --n) | |
| 1935 { | |
| 1936 if (n == 0) | |
| 1937 return BufferNew(b); | |
| 1938 } | |
| 1939 | |
| 1940 PyErr_SetString(PyExc_IndexError, _("no such buffer")); | |
| 1941 return NULL; | |
| 1942 } | |
| 1943 | |
| 1944 /* Window object - Definitions | |
| 1945 */ | |
| 1946 | |
| 1947 static struct PyMethodDef WindowMethods[] = { | |
| 1948 /* name, function, calling, documentation */ | |
| 1949 { NULL, NULL, 0, NULL } | |
| 1950 }; | |
| 1951 | |
| 1952 static PyTypeObject WindowType = { | |
| 1953 PyObject_HEAD_INIT(0) | |
| 1954 0, | |
| 1955 "window", | |
| 1956 sizeof(WindowObject), | |
| 1957 0, | |
| 1958 | |
| 1959 (destructor) WindowDestructor, /* tp_dealloc, refcount==0 */ | |
| 1960 (printfunc) 0, /* tp_print, print x */ | |
| 1961 (getattrfunc) WindowGetattr, /* tp_getattr, x.attr */ | |
| 1962 (setattrfunc) WindowSetattr, /* tp_setattr, x.attr=v */ | |
| 1963 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 1964 (reprfunc) WindowRepr, /* tp_repr, `x`, print x */ | |
| 1965 | |
| 1966 0, /* as number */ | |
| 1967 0, /* as sequence */ | |
| 1968 0, /* as mapping */ | |
| 1969 | |
| 1970 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 1971 (ternaryfunc) 0, /* tp_call, x() */ | |
| 1972 (reprfunc) 0, /* tp_str, str(x) */ | |
| 1973 }; | |
| 1974 | |
| 1975 /* Window object - Implementation | |
| 1976 */ | |
| 1977 | |
| 1978 static PyObject * | |
| 1979 WindowNew(win_T *win) | |
| 1980 { | |
| 1981 /* We need to handle deletion of windows underneath us. | |
| 502 | 1982 * If we add a "w_python_ref" field to the win_T structure, |
| 7 | 1983 * then we can get at it in win_free() in vim. We then |
| 1984 * need to create only ONE Python object per window - if | |
| 1985 * we try to create a second, just INCREF the existing one | |
| 1986 * and return it. The (single) Python object referring to | |
| 502 | 1987 * the window is stored in "w_python_ref". |
| 7 | 1988 * On a win_free() we set the Python object's win_T* field |
| 1989 * to an invalid value. We trap all uses of a window | |
| 1990 * object, and reject them if the win_T* field is invalid. | |
| 1991 */ | |
| 1992 | |
| 1993 WindowObject *self; | |
| 1994 | |
| 502 | 1995 if (win->w_python_ref) |
| 7 | 1996 { |
| 502 | 1997 self = win->w_python_ref; |
| 7 | 1998 Py_INCREF(self); |
| 1999 } | |
| 2000 else | |
| 2001 { | |
| 2002 self = PyObject_NEW(WindowObject, &WindowType); | |
| 2003 if (self == NULL) | |
| 2004 return NULL; | |
| 2005 self->win = win; | |
| 502 | 2006 win->w_python_ref = self; |
| 7 | 2007 } |
| 2008 | |
| 2009 return (PyObject *)(self); | |
| 2010 } | |
| 2011 | |
| 2012 static void | |
| 2013 WindowDestructor(PyObject *self) | |
| 2014 { | |
| 2015 WindowObject *this = (WindowObject *)(self); | |
| 2016 | |
| 2017 if (this->win && this->win != INVALID_WINDOW_VALUE) | |
| 502 | 2018 this->win->w_python_ref = NULL; |
| 7 | 2019 |
| 986 | 2020 Py_DECREF(self); |
| 7 | 2021 } |
| 2022 | |
| 2023 static int | |
| 2024 CheckWindow(WindowObject *this) | |
| 2025 { | |
| 2026 if (this->win == INVALID_WINDOW_VALUE) | |
| 2027 { | |
| 2028 PyErr_SetVim(_("attempt to refer to deleted window")); | |
| 2029 return -1; | |
| 2030 } | |
| 2031 | |
| 2032 return 0; | |
| 2033 } | |
| 2034 | |
| 2035 static PyObject * | |
| 2036 WindowGetattr(PyObject *self, char *name) | |
| 2037 { | |
| 2038 WindowObject *this = (WindowObject *)(self); | |
| 2039 | |
| 2040 if (CheckWindow(this)) | |
| 2041 return NULL; | |
| 2042 | |
| 2043 if (strcmp(name, "buffer") == 0) | |
| 2044 return (PyObject *)BufferNew(this->win->w_buffer); | |
| 2045 else if (strcmp(name, "cursor") == 0) | |
| 2046 { | |
| 2047 pos_T *pos = &this->win->w_cursor; | |
| 2048 | |
| 2049 return Py_BuildValue("(ll)", (long)(pos->lnum), (long)(pos->col)); | |
| 2050 } | |
| 2051 else if (strcmp(name, "height") == 0) | |
| 2052 return Py_BuildValue("l", (long)(this->win->w_height)); | |
| 2053 #ifdef FEAT_VERTSPLIT | |
| 2054 else if (strcmp(name, "width") == 0) | |
| 2055 return Py_BuildValue("l", (long)(W_WIDTH(this->win))); | |
| 2056 #endif | |
| 2057 else if (strcmp(name,"__members__") == 0) | |
| 2058 return Py_BuildValue("[sss]", "buffer", "cursor", "height"); | |
| 2059 else | |
| 2060 return Py_FindMethod(WindowMethods, self, name); | |
| 2061 } | |
| 2062 | |
| 2063 static int | |
| 2064 WindowSetattr(PyObject *self, char *name, PyObject *val) | |
| 2065 { | |
| 2066 WindowObject *this = (WindowObject *)(self); | |
| 2067 | |
| 2068 if (CheckWindow(this)) | |
| 2069 return -1; | |
| 2070 | |
| 2071 if (strcmp(name, "buffer") == 0) | |
| 2072 { | |
| 2073 PyErr_SetString(PyExc_TypeError, _("readonly attribute")); | |
| 2074 return -1; | |
| 2075 } | |
| 2076 else if (strcmp(name, "cursor") == 0) | |
| 2077 { | |
| 2078 long lnum; | |
| 2079 long col; | |
| 1971 | 2080 long len; |
| 7 | 2081 |
| 2082 if (!PyArg_Parse(val, "(ll)", &lnum, &col)) | |
| 2083 return -1; | |
| 2084 | |
| 2085 if (lnum <= 0 || lnum > this->win->w_buffer->b_ml.ml_line_count) | |
| 2086 { | |
| 2087 PyErr_SetVim(_("cursor position outside buffer")); | |
| 2088 return -1; | |
| 2089 } | |
| 2090 | |
| 2091 /* Check for keyboard interrupts */ | |
| 2092 if (VimErrorCheck()) | |
| 2093 return -1; | |
| 2094 | |
| 1971 | 2095 /* 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
|
2096 len = (long)STRLEN(ml_get_buf(this->win->w_buffer, lnum, FALSE)); |
| 1971 | 2097 if (col > len) |
| 2098 col = len; | |
| 7 | 2099 |
| 2100 this->win->w_cursor.lnum = lnum; | |
| 2101 this->win->w_cursor.col = col; | |
| 1971 | 2102 #ifdef FEAT_VIRTUALEDIT |
| 2103 this->win->w_cursor.coladd = 0; | |
| 2104 #endif | |
| 7 | 2105 update_screen(VALID); |
| 2106 | |
| 2107 return 0; | |
| 2108 } | |
| 2109 else if (strcmp(name, "height") == 0) | |
| 2110 { | |
| 2111 int height; | |
| 2112 win_T *savewin; | |
| 2113 | |
| 2114 if (!PyArg_Parse(val, "i", &height)) | |
| 2115 return -1; | |
| 2116 | |
| 2117 #ifdef FEAT_GUI | |
| 2118 need_mouse_correct = TRUE; | |
| 2119 #endif | |
| 2120 savewin = curwin; | |
| 2121 curwin = this->win; | |
| 2122 win_setheight(height); | |
| 2123 curwin = savewin; | |
| 2124 | |
| 2125 /* Check for keyboard interrupts */ | |
| 2126 if (VimErrorCheck()) | |
| 2127 return -1; | |
| 2128 | |
| 2129 return 0; | |
| 2130 } | |
| 2131 #ifdef FEAT_VERTSPLIT | |
| 2132 else if (strcmp(name, "width") == 0) | |
| 2133 { | |
| 2134 int width; | |
| 2135 win_T *savewin; | |
| 2136 | |
| 2137 if (!PyArg_Parse(val, "i", &width)) | |
| 2138 return -1; | |
| 2139 | |
| 2140 #ifdef FEAT_GUI | |
| 2141 need_mouse_correct = TRUE; | |
| 2142 #endif | |
| 2143 savewin = curwin; | |
| 2144 curwin = this->win; | |
| 2145 win_setwidth(width); | |
| 2146 curwin = savewin; | |
| 2147 | |
| 2148 /* Check for keyboard interrupts */ | |
| 2149 if (VimErrorCheck()) | |
| 2150 return -1; | |
| 2151 | |
| 2152 return 0; | |
| 2153 } | |
| 2154 #endif | |
| 2155 else | |
| 2156 { | |
| 2157 PyErr_SetString(PyExc_AttributeError, name); | |
| 2158 return -1; | |
| 2159 } | |
| 2160 } | |
| 2161 | |
| 2162 static PyObject * | |
| 2163 WindowRepr(PyObject *self) | |
| 2164 { | |
| 274 | 2165 static char repr[100]; |
| 7 | 2166 WindowObject *this = (WindowObject *)(self); |
| 2167 | |
| 2168 if (this->win == INVALID_WINDOW_VALUE) | |
| 2169 { | |
| 1607 | 2170 vim_snprintf(repr, 100, _("<window object (deleted) at %p>"), (self)); |
| 7 | 2171 return PyString_FromString(repr); |
| 2172 } | |
| 2173 else | |
| 2174 { | |
| 2175 int i = 0; | |
| 2176 win_T *w; | |
| 2177 | |
| 2178 for (w = firstwin; w != NULL && w != this->win; w = W_NEXT(w)) | |
| 2179 ++i; | |
| 2180 | |
| 2181 if (w == NULL) | |
| 1607 | 2182 vim_snprintf(repr, 100, _("<window object (unknown) at %p>"), |
| 2183 (self)); | |
| 7 | 2184 else |
| 274 | 2185 vim_snprintf(repr, 100, _("<window %d>"), i); |
| 7 | 2186 |
| 2187 return PyString_FromString(repr); | |
| 2188 } | |
| 2189 } | |
| 2190 | |
| 2191 /* Window list object - Definitions | |
| 2192 */ | |
| 2193 | |
| 2194 typedef struct | |
| 2195 { | |
| 2196 PyObject_HEAD | |
| 2197 } | |
| 2198 WinListObject; | |
| 2199 | |
| 2200 static PySequenceMethods WinListAsSeq = { | |
| 1594 | 2201 (PyInquiry) WinListLength, /* sq_length, len(x) */ |
| 7 | 2202 (binaryfunc) 0, /* sq_concat, x+y */ |
| 1594 | 2203 (PyIntArgFunc) 0, /* sq_repeat, x*n */ |
| 2204 (PyIntArgFunc) WinListItem, /* sq_item, x[i] */ | |
| 2205 (PyIntIntArgFunc) 0, /* sq_slice, x[i:j] */ | |
| 2206 (PyIntObjArgProc) 0, /* sq_ass_item, x[i]=v */ | |
| 2207 (PyIntIntObjArgProc) 0, /* sq_ass_slice, x[i:j]=v */ | |
| 7 | 2208 }; |
| 2209 | |
| 2210 static PyTypeObject WinListType = { | |
| 2211 PyObject_HEAD_INIT(0) | |
| 2212 0, | |
| 2213 "window list", | |
| 2214 sizeof(WinListObject), | |
| 2215 0, | |
| 2216 | |
| 2217 (destructor) 0, /* tp_dealloc, refcount==0 */ | |
| 2218 (printfunc) 0, /* tp_print, print x */ | |
| 2219 (getattrfunc) 0, /* tp_getattr, x.attr */ | |
| 2220 (setattrfunc) 0, /* tp_setattr, x.attr=v */ | |
| 2221 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 2222 (reprfunc) 0, /* tp_repr, `x`, print x */ | |
| 2223 | |
| 2224 0, /* as number */ | |
| 2225 &WinListAsSeq, /* as sequence */ | |
| 2226 0, /* as mapping */ | |
| 2227 | |
| 2228 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 2229 (ternaryfunc) 0, /* tp_call, x() */ | |
| 2230 (reprfunc) 0, /* tp_str, str(x) */ | |
| 2231 }; | |
| 2232 | |
| 2233 /* Window list object - Implementation | |
| 2234 */ | |
| 1594 | 2235 static PyInt |
| 1887 | 2236 WinListLength(PyObject *self UNUSED) |
| 7 | 2237 { |
| 2238 win_T *w = firstwin; | |
| 1607 | 2239 PyInt n = 0; |
| 7 | 2240 |
| 671 | 2241 while (w != NULL) |
| 7 | 2242 { |
| 2243 ++n; | |
| 2244 w = W_NEXT(w); | |
| 2245 } | |
| 2246 | |
| 2247 return n; | |
| 2248 } | |
| 2249 | |
| 2250 static PyObject * | |
| 1887 | 2251 WinListItem(PyObject *self UNUSED, PyInt n) |
| 7 | 2252 { |
| 2253 win_T *w; | |
| 2254 | |
| 671 | 2255 for (w = firstwin; w != NULL; w = W_NEXT(w), --n) |
| 7 | 2256 if (n == 0) |
| 2257 return WindowNew(w); | |
| 2258 | |
| 2259 PyErr_SetString(PyExc_IndexError, _("no such window")); | |
| 2260 return NULL; | |
| 2261 } | |
| 2262 | |
| 2263 /* Current items object - Definitions | |
| 2264 */ | |
| 2265 | |
| 2266 typedef struct | |
| 2267 { | |
| 2268 PyObject_HEAD | |
| 2269 } | |
| 2270 CurrentObject; | |
| 2271 | |
| 2272 static PyTypeObject CurrentType = { | |
| 2273 PyObject_HEAD_INIT(0) | |
| 2274 0, | |
| 2275 "current data", | |
| 2276 sizeof(CurrentObject), | |
| 2277 0, | |
| 2278 | |
| 2279 (destructor) 0, /* tp_dealloc, refcount==0 */ | |
| 2280 (printfunc) 0, /* tp_print, print x */ | |
| 2281 (getattrfunc) CurrentGetattr, /* tp_getattr, x.attr */ | |
| 2282 (setattrfunc) CurrentSetattr, /* tp_setattr, x.attr=v */ | |
| 2283 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 2284 (reprfunc) 0, /* tp_repr, `x`, print x */ | |
| 2285 | |
| 2286 0, /* as number */ | |
| 2287 0, /* as sequence */ | |
| 2288 0, /* as mapping */ | |
| 2289 | |
| 2290 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 2291 (ternaryfunc) 0, /* tp_call, x() */ | |
| 2292 (reprfunc) 0, /* tp_str, str(x) */ | |
| 2293 }; | |
| 2294 | |
| 2295 /* Current items object - Implementation | |
| 2296 */ | |
| 2297 static PyObject * | |
| 1887 | 2298 CurrentGetattr(PyObject *self UNUSED, char *name) |
| 7 | 2299 { |
| 2300 if (strcmp(name, "buffer") == 0) | |
| 2301 return (PyObject *)BufferNew(curbuf); | |
| 2302 else if (strcmp(name, "window") == 0) | |
| 2303 return (PyObject *)WindowNew(curwin); | |
| 2304 else if (strcmp(name, "line") == 0) | |
| 1607 | 2305 return GetBufferLine(curbuf, (PyInt)curwin->w_cursor.lnum); |
| 7 | 2306 else if (strcmp(name, "range") == 0) |
| 2307 return RangeNew(curbuf, RangeStart, RangeEnd); | |
| 2308 else if (strcmp(name,"__members__") == 0) | |
| 2309 return Py_BuildValue("[ssss]", "buffer", "window", "line", "range"); | |
| 2310 else | |
| 2311 { | |
| 2312 PyErr_SetString(PyExc_AttributeError, name); | |
| 2313 return NULL; | |
| 2314 } | |
| 2315 } | |
| 2316 | |
| 2317 static int | |
| 1887 | 2318 CurrentSetattr(PyObject *self UNUSED, char *name, PyObject *value) |
| 7 | 2319 { |
| 2320 if (strcmp(name, "line") == 0) | |
| 2321 { | |
| 1607 | 2322 if (SetBufferLine(curbuf, (PyInt)curwin->w_cursor.lnum, value, NULL) == FAIL) |
| 7 | 2323 return -1; |
| 2324 | |
| 2325 return 0; | |
| 2326 } | |
| 2327 else | |
| 2328 { | |
| 2329 PyErr_SetString(PyExc_AttributeError, name); | |
| 2330 return -1; | |
| 2331 } | |
| 2332 } | |
| 2333 | |
| 2334 /* External interface | |
| 2335 */ | |
| 2336 | |
| 2337 void | |
| 2338 python_buffer_free(buf_T *buf) | |
| 2339 { | |
| 502 | 2340 if (buf->b_python_ref != NULL) |
| 7 | 2341 { |
| 502 | 2342 BufferObject *bp = buf->b_python_ref; |
| 7 | 2343 bp->buf = INVALID_BUFFER_VALUE; |
| 502 | 2344 buf->b_python_ref = NULL; |
| 7 | 2345 } |
| 2346 } | |
| 2347 | |
| 2348 #if defined(FEAT_WINDOWS) || defined(PROTO) | |
| 2349 void | |
| 2350 python_window_free(win_T *win) | |
| 2351 { | |
| 502 | 2352 if (win->w_python_ref != NULL) |
| 7 | 2353 { |
| 502 | 2354 WindowObject *wp = win->w_python_ref; |
| 7 | 2355 wp->win = INVALID_WINDOW_VALUE; |
| 502 | 2356 win->w_python_ref = NULL; |
| 7 | 2357 } |
| 2358 } | |
| 2359 #endif | |
| 2360 | |
| 2361 static BufListObject TheBufferList = | |
| 2362 { | |
| 2363 PyObject_HEAD_INIT(&BufListType) | |
| 2364 }; | |
| 2365 | |
| 2366 static WinListObject TheWindowList = | |
| 2367 { | |
| 2368 PyObject_HEAD_INIT(&WinListType) | |
| 2369 }; | |
| 2370 | |
| 2371 static CurrentObject TheCurrent = | |
| 2372 { | |
| 2373 PyObject_HEAD_INIT(&CurrentType) | |
| 2374 }; | |
| 2375 | |
| 2376 static int | |
| 2377 PythonMod_Init(void) | |
| 2378 { | |
| 2379 PyObject *mod; | |
| 2380 PyObject *dict; | |
| 1748 | 2381 /* The special value is removed from sys.path in Python_Init(). */ |
| 2382 static char *(argv[2]) = {"/must>not&exist/foo", NULL}; | |
| 7 | 2383 |
| 2384 /* Fixups... */ | |
| 2385 BufferType.ob_type = &PyType_Type; | |
| 2386 RangeType.ob_type = &PyType_Type; | |
| 2387 WindowType.ob_type = &PyType_Type; | |
| 2388 BufListType.ob_type = &PyType_Type; | |
| 2389 WinListType.ob_type = &PyType_Type; | |
| 2390 CurrentType.ob_type = &PyType_Type; | |
| 2391 | |
| 2392 /* Set sys.argv[] to avoid a crash in warn(). */ | |
| 2393 PySys_SetArgv(1, argv); | |
| 2394 | |
| 1607 | 2395 mod = Py_InitModule4("vim", VimMethods, (char *)NULL, (PyObject *)NULL, PYTHON_API_VERSION); |
| 7 | 2396 dict = PyModule_GetDict(mod); |
| 2397 | |
| 2398 VimError = Py_BuildValue("s", "vim.error"); | |
| 2399 | |
| 2400 PyDict_SetItemString(dict, "error", VimError); | |
| 135 | 2401 PyDict_SetItemString(dict, "buffers", (PyObject *)(void *)&TheBufferList); |
| 2402 PyDict_SetItemString(dict, "current", (PyObject *)(void *)&TheCurrent); | |
| 2403 PyDict_SetItemString(dict, "windows", (PyObject *)(void *)&TheWindowList); | |
| 7 | 2404 |
| 2405 if (PyErr_Occurred()) | |
| 2406 return -1; | |
| 2407 | |
| 2408 return 0; | |
| 2409 } | |
| 2410 | |
| 2411 /************************************************************************* | |
| 2412 * 4. Utility functions for handling the interface between Vim and Python. | |
| 2413 */ | |
| 2414 | |
| 2415 /* Get a line from the specified buffer. The line number is | |
| 2416 * in Vim format (1-based). The line is returned as a Python | |
| 2417 * string object. | |
| 2418 */ | |
| 2419 static PyObject * | |
| 1607 | 2420 GetBufferLine(buf_T *buf, PyInt n) |
| 7 | 2421 { |
| 2422 return LineToString((char *)ml_get_buf(buf, (linenr_T)n, FALSE)); | |
| 2423 } | |
| 2424 | |
| 2425 /* Get a list of lines from the specified buffer. The line numbers | |
| 2426 * are in Vim format (1-based). The range is from lo up to, but not | |
| 2427 * including, hi. The list is returned as a Python list of string objects. | |
| 2428 */ | |
| 2429 static PyObject * | |
| 1594 | 2430 GetBufferLineList(buf_T *buf, PyInt lo, PyInt hi) |
| 7 | 2431 { |
| 1594 | 2432 PyInt i; |
| 2433 PyInt n = hi - lo; | |
| 7 | 2434 PyObject *list = PyList_New(n); |
| 2435 | |
| 2436 if (list == NULL) | |
| 2437 return NULL; | |
| 2438 | |
| 2439 for (i = 0; i < n; ++i) | |
| 2440 { | |
| 2441 PyObject *str = LineToString((char *)ml_get_buf(buf, (linenr_T)(lo+i), FALSE)); | |
| 2442 | |
| 2443 /* Error check - was the Python string creation OK? */ | |
| 2444 if (str == NULL) | |
| 2445 { | |
| 2446 Py_DECREF(list); | |
| 2447 return NULL; | |
| 2448 } | |
| 2449 | |
| 2450 /* Set the list item */ | |
| 2451 if (PyList_SetItem(list, i, str)) | |
| 2452 { | |
| 2453 Py_DECREF(str); | |
| 2454 Py_DECREF(list); | |
| 2455 return NULL; | |
| 2456 } | |
| 2457 } | |
| 2458 | |
| 2459 /* The ownership of the Python list is passed to the caller (ie, | |
| 2460 * the caller should Py_DECREF() the object when it is finished | |
| 2461 * with it). | |
| 2462 */ | |
| 2463 | |
| 2464 return list; | |
| 2465 } | |
| 2466 | |
| 2467 /* | |
| 2468 * Check if deleting lines made the cursor position invalid. | |
| 2469 * Changed the lines from "lo" to "hi" and added "extra" lines (negative if | |
| 2470 * deleted). | |
| 2471 */ | |
| 2472 static void | |
| 1607 | 2473 py_fix_cursor(linenr_T lo, linenr_T hi, linenr_T extra) |
| 7 | 2474 { |
| 2475 if (curwin->w_cursor.lnum >= lo) | |
| 2476 { | |
| 2477 /* Adjust the cursor position if it's in/after the changed | |
| 2478 * lines. */ | |
| 2479 if (curwin->w_cursor.lnum >= hi) | |
| 2480 { | |
| 2481 curwin->w_cursor.lnum += extra; | |
| 2482 check_cursor_col(); | |
| 2483 } | |
| 2484 else if (extra < 0) | |
| 2485 { | |
| 2486 curwin->w_cursor.lnum = lo; | |
| 2487 check_cursor(); | |
| 2488 } | |
| 1083 | 2489 else |
| 2490 check_cursor_col(); | |
| 7 | 2491 changed_cline_bef_curs(); |
| 2492 } | |
| 2493 invalidate_botline(); | |
| 2494 } | |
| 2495 | |
| 2496 /* Replace a line in the specified buffer. The line number is | |
| 2497 * in Vim format (1-based). The replacement line is given as | |
| 2498 * a Python string object. The object is checked for validity | |
| 2499 * and correct format. Errors are returned as a value of FAIL. | |
| 2500 * The return value is OK on success. | |
| 2501 * If OK is returned and len_change is not NULL, *len_change | |
| 2502 * is set to the change in the buffer length. | |
| 2503 */ | |
| 2504 static int | |
| 1607 | 2505 SetBufferLine(buf_T *buf, PyInt n, PyObject *line, PyInt *len_change) |
| 7 | 2506 { |
| 2507 /* First of all, we check the thpe of the supplied Python object. | |
| 2508 * There are three cases: | |
| 2509 * 1. NULL, or None - this is a deletion. | |
| 2510 * 2. A string - this is a replacement. | |
| 2511 * 3. Anything else - this is an error. | |
| 2512 */ | |
| 2513 if (line == Py_None || line == NULL) | |
| 2514 { | |
| 2515 buf_T *savebuf = curbuf; | |
| 2516 | |
| 2517 PyErr_Clear(); | |
| 2518 curbuf = buf; | |
| 2519 | |
| 2520 if (u_savedel((linenr_T)n, 1L) == FAIL) | |
| 2521 PyErr_SetVim(_("cannot save undo information")); | |
| 2522 else if (ml_delete((linenr_T)n, FALSE) == FAIL) | |
| 2523 PyErr_SetVim(_("cannot delete line")); | |
| 2524 else | |
| 2525 { | |
| 2526 if (buf == curwin->w_buffer) | |
| 1607 | 2527 py_fix_cursor((linenr_T)n, (linenr_T)n + 1, (linenr_T)-1); |
| 1929 | 2528 deleted_lines_mark((linenr_T)n, 1L); |
| 7 | 2529 } |
| 2530 | |
| 2531 curbuf = savebuf; | |
| 2532 | |
| 2533 if (PyErr_Occurred() || VimErrorCheck()) | |
| 2534 return FAIL; | |
| 2535 | |
| 2536 if (len_change) | |
| 2537 *len_change = -1; | |
| 2538 | |
| 2539 return OK; | |
| 2540 } | |
| 2541 else if (PyString_Check(line)) | |
| 2542 { | |
| 2543 char *save = StringToLine(line); | |
| 2544 buf_T *savebuf = curbuf; | |
| 2545 | |
| 2546 if (save == NULL) | |
| 2547 return FAIL; | |
| 2548 | |
| 2549 /* We do not need to free "save" if ml_replace() consumes it. */ | |
| 2550 PyErr_Clear(); | |
| 2551 curbuf = buf; | |
| 2552 | |
| 2553 if (u_savesub((linenr_T)n) == FAIL) | |
| 2554 { | |
| 2555 PyErr_SetVim(_("cannot save undo information")); | |
| 2556 vim_free(save); | |
| 2557 } | |
| 2558 else if (ml_replace((linenr_T)n, (char_u *)save, FALSE) == FAIL) | |
| 2559 { | |
| 2560 PyErr_SetVim(_("cannot replace line")); | |
| 2561 vim_free(save); | |
| 2562 } | |
| 2563 else | |
| 2564 changed_bytes((linenr_T)n, 0); | |
| 2565 | |
| 2566 curbuf = savebuf; | |
| 2567 | |
| 1083 | 2568 /* Check that the cursor is not beyond the end of the line now. */ |
| 2569 if (buf == curwin->w_buffer) | |
| 2570 check_cursor_col(); | |
| 2571 | |
| 7 | 2572 if (PyErr_Occurred() || VimErrorCheck()) |
| 2573 return FAIL; | |
| 2574 | |
| 2575 if (len_change) | |
| 2576 *len_change = 0; | |
| 2577 | |
| 2578 return OK; | |
| 2579 } | |
| 2580 else | |
| 2581 { | |
| 2582 PyErr_BadArgument(); | |
| 2583 return FAIL; | |
| 2584 } | |
| 2585 } | |
| 2586 | |
| 2587 /* Replace a range of lines in the specified buffer. The line numbers are in | |
| 2588 * Vim format (1-based). The range is from lo up to, but not including, hi. | |
| 2589 * The replacement lines are given as a Python list of string objects. The | |
| 2590 * list is checked for validity and correct format. Errors are returned as a | |
| 2591 * value of FAIL. The return value is OK on success. | |
| 2592 * If OK is returned and len_change is not NULL, *len_change | |
| 2593 * is set to the change in the buffer length. | |
| 2594 */ | |
| 2595 static int | |
| 1607 | 2596 SetBufferLineList(buf_T *buf, PyInt lo, PyInt hi, PyObject *list, PyInt *len_change) |
| 7 | 2597 { |
| 2598 /* First of all, we check the thpe of the supplied Python object. | |
| 2599 * There are three cases: | |
| 2600 * 1. NULL, or None - this is a deletion. | |
| 2601 * 2. A list - this is a replacement. | |
| 2602 * 3. Anything else - this is an error. | |
| 2603 */ | |
| 2604 if (list == Py_None || list == NULL) | |
| 2605 { | |
| 1594 | 2606 PyInt i; |
| 1607 | 2607 PyInt n = (int)(hi - lo); |
| 7 | 2608 buf_T *savebuf = curbuf; |
| 2609 | |
| 2610 PyErr_Clear(); | |
| 2611 curbuf = buf; | |
| 2612 | |
| 2613 if (u_savedel((linenr_T)lo, (long)n) == FAIL) | |
| 2614 PyErr_SetVim(_("cannot save undo information")); | |
| 2615 else | |
| 2616 { | |
| 2617 for (i = 0; i < n; ++i) | |
| 2618 { | |
| 2619 if (ml_delete((linenr_T)lo, FALSE) == FAIL) | |
| 2620 { | |
| 2621 PyErr_SetVim(_("cannot delete line")); | |
| 2622 break; | |
| 2623 } | |
| 2624 } | |
| 2625 if (buf == curwin->w_buffer) | |
| 1607 | 2626 py_fix_cursor((linenr_T)lo, (linenr_T)hi, (linenr_T)-n); |
| 1929 | 2627 deleted_lines_mark((linenr_T)lo, (long)i); |
| 7 | 2628 } |
| 2629 | |
| 2630 curbuf = savebuf; | |
| 2631 | |
| 2632 if (PyErr_Occurred() || VimErrorCheck()) | |
| 2633 return FAIL; | |
| 2634 | |
| 2635 if (len_change) | |
| 2636 *len_change = -n; | |
| 2637 | |
| 2638 return OK; | |
| 2639 } | |
| 2640 else if (PyList_Check(list)) | |
| 2641 { | |
| 1594 | 2642 PyInt i; |
| 2643 PyInt new_len = PyList_Size(list); | |
| 2644 PyInt old_len = hi - lo; | |
| 1607 | 2645 PyInt extra = 0; /* lines added to text, can be negative */ |
| 7 | 2646 char **array; |
| 2647 buf_T *savebuf; | |
| 2648 | |
| 2649 if (new_len == 0) /* avoid allocating zero bytes */ | |
| 2650 array = NULL; | |
| 2651 else | |
| 2652 { | |
| 2653 array = (char **)alloc((unsigned)(new_len * sizeof(char *))); | |
| 2654 if (array == NULL) | |
| 2655 { | |
| 2656 PyErr_NoMemory(); | |
| 2657 return FAIL; | |
| 2658 } | |
| 2659 } | |
| 2660 | |
| 2661 for (i = 0; i < new_len; ++i) | |
| 2662 { | |
| 2663 PyObject *line = PyList_GetItem(list, i); | |
| 2664 | |
| 2665 array[i] = StringToLine(line); | |
| 2666 if (array[i] == NULL) | |
| 2667 { | |
| 2668 while (i) | |
| 2669 vim_free(array[--i]); | |
| 2670 vim_free(array); | |
| 2671 return FAIL; | |
| 2672 } | |
| 2673 } | |
| 2674 | |
| 2675 savebuf = curbuf; | |
| 2676 | |
| 2677 PyErr_Clear(); | |
| 2678 curbuf = buf; | |
| 2679 | |
| 2680 if (u_save((linenr_T)(lo-1), (linenr_T)hi) == FAIL) | |
| 2681 PyErr_SetVim(_("cannot save undo information")); | |
| 2682 | |
| 2683 /* If the size of the range is reducing (ie, new_len < old_len) we | |
| 2684 * need to delete some old_len. We do this at the start, by | |
| 2685 * repeatedly deleting line "lo". | |
| 2686 */ | |
| 2687 if (!PyErr_Occurred()) | |
| 2688 { | |
| 2689 for (i = 0; i < old_len - new_len; ++i) | |
| 2690 if (ml_delete((linenr_T)lo, FALSE) == FAIL) | |
| 2691 { | |
| 2692 PyErr_SetVim(_("cannot delete line")); | |
| 2693 break; | |
| 2694 } | |
| 2695 extra -= i; | |
| 2696 } | |
| 2697 | |
| 2698 /* For as long as possible, replace the existing old_len with the | |
| 2699 * new old_len. This is a more efficient operation, as it requires | |
| 2700 * less memory allocation and freeing. | |
| 2701 */ | |
| 2702 if (!PyErr_Occurred()) | |
| 2703 { | |
| 2704 for (i = 0; i < old_len && i < new_len; ++i) | |
| 2705 if (ml_replace((linenr_T)(lo+i), (char_u *)array[i], FALSE) | |
| 2706 == FAIL) | |
| 2707 { | |
| 2708 PyErr_SetVim(_("cannot replace line")); | |
| 2709 break; | |
| 2710 } | |
| 2711 } | |
| 2712 else | |
| 2713 i = 0; | |
| 2714 | |
| 2715 /* Now we may need to insert the remaining new old_len. If we do, we | |
| 2716 * must free the strings as we finish with them (we can't pass the | |
| 2717 * responsibility to vim in this case). | |
| 2718 */ | |
| 2719 if (!PyErr_Occurred()) | |
| 2720 { | |
| 2721 while (i < new_len) | |
| 2722 { | |
| 2723 if (ml_append((linenr_T)(lo + i - 1), | |
| 2724 (char_u *)array[i], 0, FALSE) == FAIL) | |
| 2725 { | |
| 2726 PyErr_SetVim(_("cannot insert line")); | |
| 2727 break; | |
| 2728 } | |
| 2729 vim_free(array[i]); | |
| 2730 ++i; | |
| 2731 ++extra; | |
| 2732 } | |
| 2733 } | |
| 2734 | |
| 2735 /* Free any left-over old_len, as a result of an error */ | |
| 2736 while (i < new_len) | |
| 2737 { | |
| 2738 vim_free(array[i]); | |
| 2739 ++i; | |
| 2740 } | |
| 2741 | |
| 2742 /* Free the array of old_len. All of its contents have now | |
| 2743 * been dealt with (either freed, or the responsibility passed | |
| 2744 * to vim. | |
| 2745 */ | |
| 2746 vim_free(array); | |
| 2747 | |
| 2748 /* Adjust marks. Invalidate any which lie in the | |
| 2749 * changed range, and move any in the remainder of the buffer. | |
| 2750 */ | |
| 2751 mark_adjust((linenr_T)lo, (linenr_T)(hi - 1), | |
| 2752 (long)MAXLNUM, (long)extra); | |
| 2753 changed_lines((linenr_T)lo, 0, (linenr_T)hi, (long)extra); | |
| 2754 | |
| 2755 if (buf == curwin->w_buffer) | |
| 1607 | 2756 py_fix_cursor((linenr_T)lo, (linenr_T)hi, (linenr_T)extra); |
| 7 | 2757 |
| 2758 curbuf = savebuf; | |
| 2759 | |
| 2760 if (PyErr_Occurred() || VimErrorCheck()) | |
| 2761 return FAIL; | |
| 2762 | |
| 2763 if (len_change) | |
| 2764 *len_change = new_len - old_len; | |
| 2765 | |
| 2766 return OK; | |
| 2767 } | |
| 2768 else | |
| 2769 { | |
| 2770 PyErr_BadArgument(); | |
| 2771 return FAIL; | |
| 2772 } | |
| 2773 } | |
| 2774 | |
| 2775 /* Insert a number of lines into the specified buffer after the specifed line. | |
| 2776 * The line number is in Vim format (1-based). The lines to be inserted are | |
| 2777 * given as a Python list of string objects or as a single string. The lines | |
| 2778 * to be added are checked for validity and correct format. Errors are | |
| 2779 * returned as a value of FAIL. The return value is OK on success. | |
| 2780 * If OK is returned and len_change is not NULL, *len_change | |
| 2781 * is set to the change in the buffer length. | |
| 2782 */ | |
| 2783 static int | |
| 1607 | 2784 InsertBufferLines(buf_T *buf, PyInt n, PyObject *lines, PyInt *len_change) |
| 7 | 2785 { |
| 2786 /* First of all, we check the type of the supplied Python object. | |
| 2787 * It must be a string or a list, or the call is in error. | |
| 2788 */ | |
| 2789 if (PyString_Check(lines)) | |
| 2790 { | |
| 2791 char *str = StringToLine(lines); | |
| 2792 buf_T *savebuf; | |
| 2793 | |
| 2794 if (str == NULL) | |
| 2795 return FAIL; | |
| 2796 | |
| 2797 savebuf = curbuf; | |
| 2798 | |
| 2799 PyErr_Clear(); | |
| 2800 curbuf = buf; | |
| 2801 | |
| 2802 if (u_save((linenr_T)n, (linenr_T)(n+1)) == FAIL) | |
| 2803 PyErr_SetVim(_("cannot save undo information")); | |
| 2804 else if (ml_append((linenr_T)n, (char_u *)str, 0, FALSE) == FAIL) | |
| 2805 PyErr_SetVim(_("cannot insert line")); | |
| 2806 else | |
| 2807 appended_lines_mark((linenr_T)n, 1L); | |
| 2808 | |
| 2809 vim_free(str); | |
| 2810 curbuf = savebuf; | |
| 2811 update_screen(VALID); | |
| 2812 | |
| 2813 if (PyErr_Occurred() || VimErrorCheck()) | |
| 2814 return FAIL; | |
| 2815 | |
| 2816 if (len_change) | |
| 2817 *len_change = 1; | |
| 2818 | |
| 2819 return OK; | |
| 2820 } | |
| 2821 else if (PyList_Check(lines)) | |
| 2822 { | |
| 1594 | 2823 PyInt i; |
| 2824 PyInt size = PyList_Size(lines); | |
| 7 | 2825 char **array; |
| 2826 buf_T *savebuf; | |
| 2827 | |
| 2828 array = (char **)alloc((unsigned)(size * sizeof(char *))); | |
| 2829 if (array == NULL) | |
| 2830 { | |
| 2831 PyErr_NoMemory(); | |
| 2832 return FAIL; | |
| 2833 } | |
| 2834 | |
| 2835 for (i = 0; i < size; ++i) | |
| 2836 { | |
| 2837 PyObject *line = PyList_GetItem(lines, i); | |
| 2838 array[i] = StringToLine(line); | |
| 2839 | |
| 2840 if (array[i] == NULL) | |
| 2841 { | |
| 2842 while (i) | |
| 2843 vim_free(array[--i]); | |
| 2844 vim_free(array); | |
| 2845 return FAIL; | |
| 2846 } | |
| 2847 } | |
| 2848 | |
| 2849 savebuf = curbuf; | |
| 2850 | |
| 2851 PyErr_Clear(); | |
| 2852 curbuf = buf; | |
| 2853 | |
| 2854 if (u_save((linenr_T)n, (linenr_T)(n + 1)) == FAIL) | |
| 2855 PyErr_SetVim(_("cannot save undo information")); | |
| 2856 else | |
| 2857 { | |
| 2858 for (i = 0; i < size; ++i) | |
| 2859 { | |
| 2860 if (ml_append((linenr_T)(n + i), | |
| 2861 (char_u *)array[i], 0, FALSE) == FAIL) | |
| 2862 { | |
| 2863 PyErr_SetVim(_("cannot insert line")); | |
| 2864 | |
| 2865 /* Free the rest of the lines */ | |
| 2866 while (i < size) | |
| 2867 vim_free(array[i++]); | |
| 2868 | |
| 2869 break; | |
| 2870 } | |
| 2871 vim_free(array[i]); | |
| 2872 } | |
| 2873 if (i > 0) | |
| 2874 appended_lines_mark((linenr_T)n, (long)i); | |
| 2875 } | |
| 2876 | |
| 2877 /* Free the array of lines. All of its contents have now | |
| 2878 * been freed. | |
| 2879 */ | |
| 2880 vim_free(array); | |
| 2881 | |
| 2882 curbuf = savebuf; | |
| 2883 update_screen(VALID); | |
| 2884 | |
| 2885 if (PyErr_Occurred() || VimErrorCheck()) | |
| 2886 return FAIL; | |
| 2887 | |
| 2888 if (len_change) | |
| 2889 *len_change = size; | |
| 2890 | |
| 2891 return OK; | |
| 2892 } | |
| 2893 else | |
| 2894 { | |
| 2895 PyErr_BadArgument(); | |
| 2896 return FAIL; | |
| 2897 } | |
| 2898 } | |
| 2899 | |
| 2900 /* Convert a Vim line into a Python string. | |
| 2901 * All internal newlines are replaced by null characters. | |
| 2902 * | |
| 2903 * On errors, the Python exception data is set, and NULL is returned. | |
| 2904 */ | |
| 2905 static PyObject * | |
| 2906 LineToString(const char *str) | |
| 2907 { | |
| 2908 PyObject *result; | |
| 1594 | 2909 PyInt len = strlen(str); |
| 7 | 2910 char *p; |
| 2911 | |
| 2912 /* Allocate an Python string object, with uninitialised contents. We | |
| 2913 * must do it this way, so that we can modify the string in place | |
| 2914 * later. See the Python source, Objects/stringobject.c for details. | |
| 2915 */ | |
| 2916 result = PyString_FromStringAndSize(NULL, len); | |
| 2917 if (result == NULL) | |
| 2918 return NULL; | |
| 2919 | |
| 2920 p = PyString_AsString(result); | |
| 2921 | |
| 2922 while (*str) | |
| 2923 { | |
| 2924 if (*str == '\n') | |
| 2925 *p = '\0'; | |
| 2926 else | |
| 2927 *p = *str; | |
| 2928 | |
| 2929 ++p; | |
| 2930 ++str; | |
| 2931 } | |
| 2932 | |
| 2933 return result; | |
| 2934 } | |
| 2935 | |
| 2936 /* Convert a Python string into a Vim line. | |
| 2937 * | |
| 2938 * The result is in allocated memory. All internal nulls are replaced by | |
| 2939 * newline characters. It is an error for the string to contain newline | |
| 2940 * characters. | |
| 2941 * | |
| 2942 * On errors, the Python exception data is set, and NULL is returned. | |
| 2943 */ | |
| 2944 static char * | |
| 2945 StringToLine(PyObject *obj) | |
| 2946 { | |
| 2947 const char *str; | |
| 2948 char *save; | |
| 1594 | 2949 PyInt len; |
| 2950 PyInt i; | |
| 20 | 2951 char *p; |
| 7 | 2952 |
| 2953 if (obj == NULL || !PyString_Check(obj)) | |
| 2954 { | |
| 2955 PyErr_BadArgument(); | |
| 2956 return NULL; | |
| 2957 } | |
| 2958 | |
| 2959 str = PyString_AsString(obj); | |
| 2960 len = PyString_Size(obj); | |
| 2961 | |
| 20 | 2962 /* |
| 2963 * Error checking: String must not contain newlines, as we | |
| 7 | 2964 * are replacing a single line, and we must replace it with |
| 2965 * a single line. | |
| 20 | 2966 * A trailing newline is removed, so that append(f.readlines()) works. |
| 7 | 2967 */ |
| 20 | 2968 p = memchr(str, '\n', len); |
| 2969 if (p != NULL) | |
| 7 | 2970 { |
| 20 | 2971 if (p == str + len - 1) |
| 2972 --len; | |
| 2973 else | |
| 2974 { | |
| 2975 PyErr_SetVim(_("string cannot contain newlines")); | |
| 2976 return NULL; | |
| 2977 } | |
| 7 | 2978 } |
| 2979 | |
| 2980 /* Create a copy of the string, with internal nulls replaced by | |
| 2981 * newline characters, as is the vim convention. | |
| 2982 */ | |
| 2983 save = (char *)alloc((unsigned)(len+1)); | |
| 2984 if (save == NULL) | |
| 2985 { | |
| 2986 PyErr_NoMemory(); | |
| 2987 return NULL; | |
| 2988 } | |
| 2989 | |
| 2990 for (i = 0; i < len; ++i) | |
| 2991 { | |
| 2992 if (str[i] == '\0') | |
| 2993 save[i] = '\n'; | |
| 2994 else | |
| 2995 save[i] = str[i]; | |
| 2996 } | |
| 2997 | |
| 2998 save[i] = '\0'; | |
| 2999 | |
| 3000 return save; | |
| 3001 } | |
| 3002 | |
| 3003 /* Check to see whether a Vim error has been reported, or a keyboard | |
| 3004 * interrupt has been detected. | |
| 3005 */ | |
| 3006 static int | |
| 3007 VimErrorCheck(void) | |
| 3008 { | |
| 3009 if (got_int) | |
| 3010 { | |
| 3011 PyErr_SetNone(PyExc_KeyboardInterrupt); | |
| 3012 return 1; | |
| 3013 } | |
| 3014 else if (did_emsg && !PyErr_Occurred()) | |
| 3015 { | |
| 3016 PyErr_SetNone(VimError); | |
| 3017 return 1; | |
| 3018 } | |
| 3019 | |
| 3020 return 0; | |
| 3021 } | |
| 3022 | |
| 3023 | |
| 3024 /* Don't generate a prototype for the next function, it generates an error on | |
| 3025 * newer Python versions. */ | |
| 3026 #if PYTHON_API_VERSION < 1007 /* Python 1.4 */ && !defined(PROTO) | |
| 3027 | |
| 3028 char * | |
| 3029 Py_GetProgramName(void) | |
| 3030 { | |
| 3031 return "vim"; | |
| 3032 } | |
| 3033 #endif /* Python 1.4 */ |