Mercurial > vim
annotate src/if_python.c @ 2528:8bc2e8390c11 vim73
When building with both Python 2 and Python 3 don't use RTLD_GLOBAL, so that
both may work.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Mon, 09 Aug 2010 22:06:13 +0200 |
| parents | 84d353762845 |
| children | 7abef60aca22 |
| rev | line source |
|---|---|
| 7 | 1 /* vi:set ts=8 sts=4 sw=4: |
| 2 * | |
| 3 * VIM - Vi IMproved by Bram Moolenaar | |
| 4 * | |
| 5 * Do ":help uganda" in Vim to read copying and usage conditions. | |
| 6 * Do ":help credits" in Vim to see a list of people who contributed. | |
| 7 * See README.txt for an overview of the Vim source code. | |
| 8 */ | |
| 9 /* | |
| 10 * Python extensions by Paul Moore. | |
| 11 * Changes for Unix by David Leonard. | |
| 12 * | |
| 13 * This consists of four parts: | |
| 14 * 1. Python interpreter main program | |
| 15 * 2. Python output stream: writes output via [e]msg(). | |
| 16 * 3. Implementation of the Vim module for Python | |
| 17 * 4. Utility functions for handling the interface between Vim and Python. | |
| 18 */ | |
| 19 | |
| 20 #include "vim.h" | |
| 21 | |
| 22 #include <limits.h> | |
| 23 | |
| 24 /* Python.h defines _POSIX_THREADS itself (if needed) */ | |
| 25 #ifdef _POSIX_THREADS | |
| 26 # undef _POSIX_THREADS | |
| 27 #endif | |
| 28 | |
|
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
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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 | |
|
2399
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Move some common code from if_python.c and if_python3.c to if_py_both.h.
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57 static void init_structs(void); |
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Move some common code from if_python.c and if_python3.c to if_py_both.h.
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58 |
| 7 | 59 #if !defined(FEAT_PYTHON) && defined(PROTO) |
| 60 /* Use this to be able to generate prototypes without python being used. */ | |
| 1607 | 61 # define PyObject Py_ssize_t |
| 62 # define PyThreadState Py_ssize_t | |
| 63 # define PyTypeObject Py_ssize_t | |
| 64 struct PyMethodDef { Py_ssize_t a; }; | |
| 65 # define PySequenceMethods Py_ssize_t | |
| 7 | 66 #endif |
| 67 | |
| 1594 | 68 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02050000 |
| 69 # define PyInt Py_ssize_t | |
| 70 # define PyInquiry lenfunc | |
| 71 # define PyIntArgFunc ssizeargfunc | |
| 72 # define PyIntIntArgFunc ssizessizeargfunc | |
| 73 # define PyIntObjArgProc ssizeobjargproc | |
| 74 # define PyIntIntObjArgProc ssizessizeobjargproc | |
| 1607 | 75 # define Py_ssize_t_fmt "n" |
| 1594 | 76 #else |
| 77 # define PyInt int | |
| 78 # define PyInquiry inquiry | |
| 79 # define PyIntArgFunc intargfunc | |
| 80 # define PyIntIntArgFunc intintargfunc | |
| 81 # define PyIntObjArgProc intobjargproc | |
| 82 # define PyIntIntObjArgProc intintobjargproc | |
| 1607 | 83 # define Py_ssize_t_fmt "i" |
| 1594 | 84 #endif |
| 85 | |
| 7 | 86 /* Parser flags */ |
| 87 #define single_input 256 | |
| 88 #define file_input 257 | |
| 89 #define eval_input 258 | |
| 90 | |
| 91 #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x020300F0 | |
| 92 /* Python 2.3: can invoke ":python" recursively. */ | |
| 93 # define PY_CAN_RECURSE | |
| 94 #endif | |
| 95 | |
|
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When building with both Python 2 and Python 3 don't use RTLD_GLOBAL, so that
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parents:
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diff
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96 # if defined(DYNAMIC_PYTHON) || defined(PROTO) |
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97 # ifndef DYNAMIC_PYTHON |
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98 # define HINSTANCE long_u /* for generating prototypes */ |
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99 # endif |
| 7 | 100 |
|
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101 # ifndef WIN3264 |
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102 # include <dlfcn.h> |
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103 # define FARPROC void* |
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104 # define HINSTANCE void* |
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105 # ifdef FEAT_PYTHON3 |
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106 /* Don't use RTLD_GLOBAL, it may cause a crash if both :python and :py3 are |
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107 * used. But without it importing may fail, e.g., for termios. */ |
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108 # define load_dll(n) dlopen((n), RTLD_LAZY) |
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109 # else |
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parents:
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110 # define load_dll(n) dlopen((n), RTLD_LAZY|RTLD_GLOBAL) |
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parents:
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111 # endif |
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8bc2e8390c11
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parents:
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112 # define close_dll dlclose |
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113 # define symbol_from_dll dlsym |
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114 # else |
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115 # define load_dll LoadLibrary |
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116 # define close_dll FreeLibrary |
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parents:
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117 # define symbol_from_dll GetProcAddress |
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118 # endif |
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2329
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Added support for Python 3. (Roland Puntaier)
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119 |
| 1607 | 120 /* This makes if_python.c compile without warnings against Python 2.5 |
| 121 * on Win32 and Win64. */ | |
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122 # undef PyRun_SimpleString |
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123 # undef PyArg_Parse |
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124 # undef PyArg_ParseTuple |
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125 # undef Py_BuildValue |
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126 # undef Py_InitModule4 |
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127 # undef Py_InitModule4_64 |
| 1607 | 128 |
| 7 | 129 /* |
| 130 * Wrapper defines | |
| 131 */ | |
| 132 # define PyArg_Parse dll_PyArg_Parse | |
| 133 # define PyArg_ParseTuple dll_PyArg_ParseTuple | |
| 134 # define PyDict_SetItemString dll_PyDict_SetItemString | |
| 135 # define PyErr_BadArgument dll_PyErr_BadArgument | |
| 136 # define PyErr_Clear dll_PyErr_Clear | |
| 137 # define PyErr_NoMemory dll_PyErr_NoMemory | |
| 138 # define PyErr_Occurred dll_PyErr_Occurred | |
| 139 # define PyErr_SetNone dll_PyErr_SetNone | |
| 140 # define PyErr_SetString dll_PyErr_SetString | |
| 141 # define PyEval_InitThreads dll_PyEval_InitThreads | |
| 142 # define PyEval_RestoreThread dll_PyEval_RestoreThread | |
| 143 # define PyEval_SaveThread dll_PyEval_SaveThread | |
| 144 # ifdef PY_CAN_RECURSE | |
| 145 # define PyGILState_Ensure dll_PyGILState_Ensure | |
| 146 # define PyGILState_Release dll_PyGILState_Release | |
| 147 # endif | |
| 148 # define PyInt_AsLong dll_PyInt_AsLong | |
| 149 # define PyInt_FromLong dll_PyInt_FromLong | |
| 150 # define PyInt_Type (*dll_PyInt_Type) | |
| 151 # define PyList_GetItem dll_PyList_GetItem | |
| 637 | 152 # define PyList_Append dll_PyList_Append |
| 7 | 153 # define PyList_New dll_PyList_New |
| 154 # define PyList_SetItem dll_PyList_SetItem | |
| 155 # define PyList_Size dll_PyList_Size | |
| 156 # define PyList_Type (*dll_PyList_Type) | |
| 157 # define PyImport_ImportModule dll_PyImport_ImportModule | |
| 637 | 158 # define PyDict_New dll_PyDict_New |
| 7 | 159 # define PyDict_GetItemString dll_PyDict_GetItemString |
| 160 # define PyModule_GetDict dll_PyModule_GetDict | |
| 161 # define PyRun_SimpleString dll_PyRun_SimpleString | |
| 162 # define PyString_AsString dll_PyString_AsString | |
| 163 # define PyString_FromString dll_PyString_FromString | |
| 164 # define PyString_FromStringAndSize dll_PyString_FromStringAndSize | |
| 165 # define PyString_Size dll_PyString_Size | |
| 166 # define PyString_Type (*dll_PyString_Type) | |
| 167 # define PySys_SetObject dll_PySys_SetObject | |
| 168 # define PySys_SetArgv dll_PySys_SetArgv | |
| 169 # define PyType_Type (*dll_PyType_Type) | |
| 170 # define Py_BuildValue dll_Py_BuildValue | |
| 171 # define Py_FindMethod dll_Py_FindMethod | |
| 172 # define Py_InitModule4 dll_Py_InitModule4 | |
| 173 # define Py_Initialize dll_Py_Initialize | |
| 242 | 174 # define Py_Finalize dll_Py_Finalize |
| 175 # define Py_IsInitialized dll_Py_IsInitialized | |
| 7 | 176 # define _PyObject_New dll__PyObject_New |
| 177 # define _Py_NoneStruct (*dll__Py_NoneStruct) | |
| 178 # define PyObject_Init dll__PyObject_Init | |
| 179 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 | |
| 180 # define PyType_IsSubtype dll_PyType_IsSubtype | |
| 181 # endif | |
| 182 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 | |
| 183 # define PyObject_Malloc dll_PyObject_Malloc | |
| 184 # define PyObject_Free dll_PyObject_Free | |
| 185 # endif | |
| 186 | |
| 187 /* | |
| 188 * Pointers for dynamic link | |
| 189 */ | |
| 190 static int(*dll_PyArg_Parse)(PyObject *, char *, ...); | |
| 191 static int(*dll_PyArg_ParseTuple)(PyObject *, char *, ...); | |
| 192 static int(*dll_PyDict_SetItemString)(PyObject *dp, char *key, PyObject *item); | |
| 193 static int(*dll_PyErr_BadArgument)(void); | |
| 194 static void(*dll_PyErr_Clear)(void); | |
| 195 static PyObject*(*dll_PyErr_NoMemory)(void); | |
| 196 static PyObject*(*dll_PyErr_Occurred)(void); | |
| 197 static void(*dll_PyErr_SetNone)(PyObject *); | |
| 198 static void(*dll_PyErr_SetString)(PyObject *, const char *); | |
| 199 static void(*dll_PyEval_InitThreads)(void); | |
| 200 static void(*dll_PyEval_RestoreThread)(PyThreadState *); | |
| 201 static PyThreadState*(*dll_PyEval_SaveThread)(void); | |
| 202 # ifdef PY_CAN_RECURSE | |
| 203 static PyGILState_STATE (*dll_PyGILState_Ensure)(void); | |
| 204 static void (*dll_PyGILState_Release)(PyGILState_STATE); | |
| 205 #endif | |
| 206 static long(*dll_PyInt_AsLong)(PyObject *); | |
| 207 static PyObject*(*dll_PyInt_FromLong)(long); | |
| 208 static PyTypeObject* dll_PyInt_Type; | |
| 1594 | 209 static PyObject*(*dll_PyList_GetItem)(PyObject *, PyInt); |
| 637 | 210 static PyObject*(*dll_PyList_Append)(PyObject *, PyObject *); |
| 1594 | 211 static PyObject*(*dll_PyList_New)(PyInt size); |
| 212 static int(*dll_PyList_SetItem)(PyObject *, PyInt, PyObject *); | |
| 213 static PyInt(*dll_PyList_Size)(PyObject *); | |
| 7 | 214 static PyTypeObject* dll_PyList_Type; |
| 215 static PyObject*(*dll_PyImport_ImportModule)(const char *); | |
| 637 | 216 static PyObject*(*dll_PyDict_New)(void); |
| 7 | 217 static PyObject*(*dll_PyDict_GetItemString)(PyObject *, const char *); |
| 218 static PyObject*(*dll_PyModule_GetDict)(PyObject *); | |
| 219 static int(*dll_PyRun_SimpleString)(char *); | |
| 220 static char*(*dll_PyString_AsString)(PyObject *); | |
| 221 static PyObject*(*dll_PyString_FromString)(const char *); | |
| 1594 | 222 static PyObject*(*dll_PyString_FromStringAndSize)(const char *, PyInt); |
| 223 static PyInt(*dll_PyString_Size)(PyObject *); | |
| 7 | 224 static PyTypeObject* dll_PyString_Type; |
| 225 static int(*dll_PySys_SetObject)(char *, PyObject *); | |
| 226 static int(*dll_PySys_SetArgv)(int, char **); | |
| 227 static PyTypeObject* dll_PyType_Type; | |
| 228 static PyObject*(*dll_Py_BuildValue)(char *, ...); | |
| 229 static PyObject*(*dll_Py_FindMethod)(struct PyMethodDef[], PyObject *, char *); | |
| 230 static PyObject*(*dll_Py_InitModule4)(char *, struct PyMethodDef *, char *, PyObject *, int); | |
| 231 static void(*dll_Py_Initialize)(void); | |
| 242 | 232 static void(*dll_Py_Finalize)(void); |
| 233 static int(*dll_Py_IsInitialized)(void); | |
| 7 | 234 static PyObject*(*dll__PyObject_New)(PyTypeObject *, PyObject *); |
| 235 static PyObject*(*dll__PyObject_Init)(PyObject *, PyTypeObject *); | |
| 236 static PyObject* dll__Py_NoneStruct; | |
| 237 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 | |
| 238 static int (*dll_PyType_IsSubtype)(PyTypeObject *, PyTypeObject *); | |
| 239 # endif | |
| 240 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 | |
| 241 static void* (*dll_PyObject_Malloc)(size_t); | |
| 242 static void (*dll_PyObject_Free)(void*); | |
| 243 # endif | |
| 244 | |
| 245 static HINSTANCE hinstPython = 0; /* Instance of python.dll */ | |
| 246 | |
| 247 /* Imported exception objects */ | |
| 248 static PyObject *imp_PyExc_AttributeError; | |
| 249 static PyObject *imp_PyExc_IndexError; | |
| 250 static PyObject *imp_PyExc_KeyboardInterrupt; | |
| 251 static PyObject *imp_PyExc_TypeError; | |
| 252 static PyObject *imp_PyExc_ValueError; | |
| 253 | |
| 254 # define PyExc_AttributeError imp_PyExc_AttributeError | |
| 255 # define PyExc_IndexError imp_PyExc_IndexError | |
| 256 # define PyExc_KeyboardInterrupt imp_PyExc_KeyboardInterrupt | |
| 257 # define PyExc_TypeError imp_PyExc_TypeError | |
| 258 # define PyExc_ValueError imp_PyExc_ValueError | |
| 259 | |
| 260 /* | |
| 261 * Table of name to function pointer of python. | |
| 262 */ | |
| 263 # define PYTHON_PROC FARPROC | |
| 264 static struct | |
| 265 { | |
| 266 char *name; | |
| 267 PYTHON_PROC *ptr; | |
| 268 } python_funcname_table[] = | |
| 269 { | |
| 270 {"PyArg_Parse", (PYTHON_PROC*)&dll_PyArg_Parse}, | |
| 271 {"PyArg_ParseTuple", (PYTHON_PROC*)&dll_PyArg_ParseTuple}, | |
| 272 {"PyDict_SetItemString", (PYTHON_PROC*)&dll_PyDict_SetItemString}, | |
| 273 {"PyErr_BadArgument", (PYTHON_PROC*)&dll_PyErr_BadArgument}, | |
| 274 {"PyErr_Clear", (PYTHON_PROC*)&dll_PyErr_Clear}, | |
| 275 {"PyErr_NoMemory", (PYTHON_PROC*)&dll_PyErr_NoMemory}, | |
| 276 {"PyErr_Occurred", (PYTHON_PROC*)&dll_PyErr_Occurred}, | |
| 277 {"PyErr_SetNone", (PYTHON_PROC*)&dll_PyErr_SetNone}, | |
| 278 {"PyErr_SetString", (PYTHON_PROC*)&dll_PyErr_SetString}, | |
| 279 {"PyEval_InitThreads", (PYTHON_PROC*)&dll_PyEval_InitThreads}, | |
| 280 {"PyEval_RestoreThread", (PYTHON_PROC*)&dll_PyEval_RestoreThread}, | |
| 281 {"PyEval_SaveThread", (PYTHON_PROC*)&dll_PyEval_SaveThread}, | |
| 282 # ifdef PY_CAN_RECURSE | |
| 283 {"PyGILState_Ensure", (PYTHON_PROC*)&dll_PyGILState_Ensure}, | |
| 284 {"PyGILState_Release", (PYTHON_PROC*)&dll_PyGILState_Release}, | |
| 285 # endif | |
| 286 {"PyInt_AsLong", (PYTHON_PROC*)&dll_PyInt_AsLong}, | |
| 287 {"PyInt_FromLong", (PYTHON_PROC*)&dll_PyInt_FromLong}, | |
| 288 {"PyInt_Type", (PYTHON_PROC*)&dll_PyInt_Type}, | |
| 289 {"PyList_GetItem", (PYTHON_PROC*)&dll_PyList_GetItem}, | |
| 637 | 290 {"PyList_Append", (PYTHON_PROC*)&dll_PyList_Append}, |
| 7 | 291 {"PyList_New", (PYTHON_PROC*)&dll_PyList_New}, |
| 292 {"PyList_SetItem", (PYTHON_PROC*)&dll_PyList_SetItem}, | |
| 293 {"PyList_Size", (PYTHON_PROC*)&dll_PyList_Size}, | |
| 294 {"PyList_Type", (PYTHON_PROC*)&dll_PyList_Type}, | |
| 295 {"PyImport_ImportModule", (PYTHON_PROC*)&dll_PyImport_ImportModule}, | |
| 296 {"PyDict_GetItemString", (PYTHON_PROC*)&dll_PyDict_GetItemString}, | |
| 637 | 297 {"PyDict_New", (PYTHON_PROC*)&dll_PyDict_New}, |
| 7 | 298 {"PyModule_GetDict", (PYTHON_PROC*)&dll_PyModule_GetDict}, |
| 299 {"PyRun_SimpleString", (PYTHON_PROC*)&dll_PyRun_SimpleString}, | |
| 300 {"PyString_AsString", (PYTHON_PROC*)&dll_PyString_AsString}, | |
| 301 {"PyString_FromString", (PYTHON_PROC*)&dll_PyString_FromString}, | |
| 302 {"PyString_FromStringAndSize", (PYTHON_PROC*)&dll_PyString_FromStringAndSize}, | |
| 303 {"PyString_Size", (PYTHON_PROC*)&dll_PyString_Size}, | |
| 304 {"PyString_Type", (PYTHON_PROC*)&dll_PyString_Type}, | |
| 305 {"PySys_SetObject", (PYTHON_PROC*)&dll_PySys_SetObject}, | |
| 306 {"PySys_SetArgv", (PYTHON_PROC*)&dll_PySys_SetArgv}, | |
| 307 {"PyType_Type", (PYTHON_PROC*)&dll_PyType_Type}, | |
| 308 {"Py_BuildValue", (PYTHON_PROC*)&dll_Py_BuildValue}, | |
| 309 {"Py_FindMethod", (PYTHON_PROC*)&dll_Py_FindMethod}, | |
| 1607 | 310 # if (PY_VERSION_HEX >= 0x02050000) && SIZEOF_SIZE_T != SIZEOF_INT |
| 311 {"Py_InitModule4_64", (PYTHON_PROC*)&dll_Py_InitModule4}, | |
| 312 # else | |
| 7 | 313 {"Py_InitModule4", (PYTHON_PROC*)&dll_Py_InitModule4}, |
| 1607 | 314 # endif |
| 7 | 315 {"Py_Initialize", (PYTHON_PROC*)&dll_Py_Initialize}, |
| 242 | 316 {"Py_Finalize", (PYTHON_PROC*)&dll_Py_Finalize}, |
| 317 {"Py_IsInitialized", (PYTHON_PROC*)&dll_Py_IsInitialized}, | |
| 7 | 318 {"_PyObject_New", (PYTHON_PROC*)&dll__PyObject_New}, |
| 319 {"PyObject_Init", (PYTHON_PROC*)&dll__PyObject_Init}, | |
| 320 {"_Py_NoneStruct", (PYTHON_PROC*)&dll__Py_NoneStruct}, | |
| 321 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 | |
| 322 {"PyType_IsSubtype", (PYTHON_PROC*)&dll_PyType_IsSubtype}, | |
| 323 # endif | |
| 324 # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 | |
| 325 {"PyObject_Malloc", (PYTHON_PROC*)&dll_PyObject_Malloc}, | |
| 326 {"PyObject_Free", (PYTHON_PROC*)&dll_PyObject_Free}, | |
| 327 # endif | |
| 328 {"", NULL}, | |
| 329 }; | |
| 330 | |
| 331 /* | |
| 332 * Free python.dll | |
| 333 */ | |
| 334 static void | |
| 335 end_dynamic_python(void) | |
| 336 { | |
| 337 if (hinstPython) | |
| 338 { | |
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339 close_dll(hinstPython); |
| 7 | 340 hinstPython = 0; |
| 341 } | |
| 342 } | |
| 343 | |
| 344 /* | |
| 345 * Load library and get all pointers. | |
| 346 * Parameter 'libname' provides name of DLL. | |
| 347 * Return OK or FAIL. | |
| 348 */ | |
| 349 static int | |
| 350 python_runtime_link_init(char *libname, int verbose) | |
| 351 { | |
| 352 int i; | |
| 353 | |
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354 #if 0 /* this should be OK now that we don't use RTLD_GLOBAL */ |
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355 #if defined(UNIX) && defined(FEAT_PYTHON3) |
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356 /* Can't have Python and Python3 loaded at the same time, it may cause a |
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357 * crash. */ |
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358 if (python3_loaded()) |
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359 { |
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360 EMSG(_("E999: Python: Cannot use :py and :py3 in one session")); |
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361 return FAIL; |
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362 } |
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363 #endif |
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364 #endif |
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365 |
| 7 | 366 if (hinstPython) |
| 367 return OK; | |
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368 hinstPython = load_dll(libname); |
| 7 | 369 if (!hinstPython) |
| 370 { | |
| 371 if (verbose) | |
| 372 EMSG2(_(e_loadlib), libname); | |
| 373 return FAIL; | |
| 374 } | |
| 375 | |
| 376 for (i = 0; python_funcname_table[i].ptr; ++i) | |
| 377 { | |
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378 if ((*python_funcname_table[i].ptr = symbol_from_dll(hinstPython, |
| 7 | 379 python_funcname_table[i].name)) == NULL) |
| 380 { | |
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381 close_dll(hinstPython); |
| 7 | 382 hinstPython = 0; |
| 383 if (verbose) | |
| 384 EMSG2(_(e_loadfunc), python_funcname_table[i].name); | |
| 385 return FAIL; | |
| 386 } | |
| 387 } | |
| 388 return OK; | |
| 389 } | |
| 390 | |
| 391 /* | |
| 392 * If python is enabled (there is installed python on Windows system) return | |
| 393 * TRUE, else FALSE. | |
| 394 */ | |
| 395 int | |
| 1607 | 396 python_enabled(int verbose) |
| 7 | 397 { |
| 398 return python_runtime_link_init(DYNAMIC_PYTHON_DLL, verbose) == OK; | |
| 399 } | |
| 400 | |
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401 /* |
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402 * Load the standard Python exceptions - don't import the symbols from the |
| 7 | 403 * DLL, as this can cause errors (importing data symbols is not reliable). |
| 404 */ | |
| 405 static void | |
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406 get_exceptions(void) |
| 7 | 407 { |
| 408 PyObject *exmod = PyImport_ImportModule("exceptions"); | |
| 409 PyObject *exdict = PyModule_GetDict(exmod); | |
| 410 imp_PyExc_AttributeError = PyDict_GetItemString(exdict, "AttributeError"); | |
| 411 imp_PyExc_IndexError = PyDict_GetItemString(exdict, "IndexError"); | |
| 412 imp_PyExc_KeyboardInterrupt = PyDict_GetItemString(exdict, "KeyboardInterrupt"); | |
| 413 imp_PyExc_TypeError = PyDict_GetItemString(exdict, "TypeError"); | |
| 414 imp_PyExc_ValueError = PyDict_GetItemString(exdict, "ValueError"); | |
| 415 Py_XINCREF(imp_PyExc_AttributeError); | |
| 416 Py_XINCREF(imp_PyExc_IndexError); | |
| 417 Py_XINCREF(imp_PyExc_KeyboardInterrupt); | |
| 418 Py_XINCREF(imp_PyExc_TypeError); | |
| 419 Py_XINCREF(imp_PyExc_ValueError); | |
| 420 Py_XDECREF(exmod); | |
| 421 } | |
| 422 #endif /* DYNAMIC_PYTHON */ | |
| 423 | |
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424 static PyObject *BufferNew (buf_T *); |
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425 static PyObject *WindowNew(win_T *); |
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426 static PyObject *LineToString(const char *); |
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427 |
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428 static PyTypeObject RangeType; |
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429 |
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430 /* |
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431 * Include the code shared with if_python3.c |
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432 */ |
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433 #include "if_py_both.h" |
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434 |
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435 |
| 7 | 436 /****************************************************** |
| 437 * Internal function prototypes. | |
| 438 */ | |
| 439 | |
| 1607 | 440 static PyInt RangeStart; |
| 441 static PyInt RangeEnd; | |
| 7 | 442 |
| 443 static void PythonIO_Flush(void); | |
| 444 static int PythonIO_Init(void); | |
| 445 static int PythonMod_Init(void); | |
| 446 | |
| 447 /* Utility functions for the vim/python interface | |
| 448 * ---------------------------------------------- | |
| 449 */ | |
| 450 | |
| 1607 | 451 static int SetBufferLineList(buf_T *, PyInt, PyInt, PyObject *, PyInt *); |
| 7 | 452 |
| 453 | |
| 454 /****************************************************** | |
| 455 * 1. Python interpreter main program. | |
| 456 */ | |
| 457 | |
| 458 static int initialised = 0; | |
| 459 | |
| 460 #if PYTHON_API_VERSION < 1007 /* Python 1.4 */ | |
| 461 typedef PyObject PyThreadState; | |
| 323 | 462 #endif |
| 463 | |
| 464 #ifdef PY_CAN_RECURSE | |
| 465 static PyGILState_STATE pygilstate = PyGILState_UNLOCKED; | |
| 466 #else | |
| 36 | 467 static PyThreadState *saved_python_thread = NULL; |
| 323 | 468 #endif |
| 7 | 469 |
| 470 /* | |
| 471 * Suspend a thread of the Python interpreter, other threads are allowed to | |
| 472 * run. | |
| 473 */ | |
| 36 | 474 static void |
| 475 Python_SaveThread(void) | |
| 7 | 476 { |
| 323 | 477 #ifdef PY_CAN_RECURSE |
| 478 PyGILState_Release(pygilstate); | |
| 479 #else | |
| 7 | 480 saved_python_thread = PyEval_SaveThread(); |
| 323 | 481 #endif |
| 7 | 482 } |
| 483 | |
| 484 /* | |
| 485 * Restore a thread of the Python interpreter, waits for other threads to | |
| 486 * block. | |
| 487 */ | |
| 36 | 488 static void |
| 489 Python_RestoreThread(void) | |
| 7 | 490 { |
| 323 | 491 #ifdef PY_CAN_RECURSE |
| 492 pygilstate = PyGILState_Ensure(); | |
| 493 #else | |
| 7 | 494 PyEval_RestoreThread(saved_python_thread); |
| 495 saved_python_thread = NULL; | |
| 323 | 496 #endif |
| 7 | 497 } |
| 498 | |
| 499 void | |
| 500 python_end() | |
| 501 { | |
| 557 | 502 static int recurse = 0; |
| 503 | |
| 504 /* If a crash occurs while doing this, don't try again. */ | |
| 505 if (recurse != 0) | |
| 506 return; | |
| 507 | |
| 508 ++recurse; | |
| 509 | |
| 7 | 510 #ifdef DYNAMIC_PYTHON |
| 242 | 511 if (hinstPython && Py_IsInitialized()) |
| 323 | 512 { |
| 856 | 513 Python_RestoreThread(); /* enter python */ |
| 514 Py_Finalize(); | |
| 323 | 515 } |
| 7 | 516 end_dynamic_python(); |
| 242 | 517 #else |
| 518 if (Py_IsInitialized()) | |
| 323 | 519 { |
| 856 | 520 Python_RestoreThread(); /* enter python */ |
| 521 Py_Finalize(); | |
| 323 | 522 } |
| 7 | 523 #endif |
| 557 | 524 |
| 525 --recurse; | |
| 7 | 526 } |
| 527 | |
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528 #if (defined(DYNAMIC_PYTHON) && defined(FEAT_PYTHON3)) || defined(PROTO) |
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529 int |
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530 python_loaded() |
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531 { |
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532 return (hinstPython != 0); |
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533 } |
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534 #endif |
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535 |
| 7 | 536 static int |
| 537 Python_Init(void) | |
| 538 { | |
| 539 if (!initialised) | |
| 540 { | |
| 541 #ifdef DYNAMIC_PYTHON | |
| 542 if (!python_enabled(TRUE)) | |
| 543 { | |
| 544 EMSG(_("E263: Sorry, this command is disabled, the Python library could not be loaded.")); | |
| 545 goto fail; | |
| 546 } | |
| 547 #endif | |
| 548 | |
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549 init_structs(); |
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550 |
| 7 | 551 #if !defined(MACOS) || defined(MACOS_X_UNIX) |
| 552 Py_Initialize(); | |
| 553 #else | |
| 554 PyMac_Initialize(); | |
| 555 #endif | |
| 556 /* initialise threads */ | |
| 557 PyEval_InitThreads(); | |
| 558 | |
| 559 #ifdef DYNAMIC_PYTHON | |
| 560 get_exceptions(); | |
| 561 #endif | |
| 562 | |
| 563 if (PythonIO_Init()) | |
| 564 goto fail; | |
| 565 | |
| 566 if (PythonMod_Init()) | |
| 567 goto fail; | |
| 568 | |
| 1748 | 569 /* Remove the element from sys.path that was added because of our |
| 570 * argv[0] value in PythonMod_Init(). Previously we used an empty | |
| 571 * string, but dependinding on the OS we then get an empty entry or | |
| 572 * the current directory in sys.path. */ | |
| 573 PyRun_SimpleString("import sys; sys.path = filter(lambda x: x != '/must>not&exist', sys.path)"); | |
| 574 | |
| 36 | 575 /* the first python thread is vim's, release the lock */ |
| 7 | 576 Python_SaveThread(); |
| 577 | |
| 578 initialised = 1; | |
| 579 } | |
| 580 | |
| 581 return 0; | |
| 582 | |
| 583 fail: | |
| 584 /* We call PythonIO_Flush() here to print any Python errors. | |
| 585 * This is OK, as it is possible to call this function even | |
| 586 * if PythonIO_Init() has not completed successfully (it will | |
| 587 * not do anything in this case). | |
| 588 */ | |
| 589 PythonIO_Flush(); | |
| 590 return -1; | |
| 591 } | |
| 592 | |
| 593 /* | |
| 594 * External interface | |
| 595 */ | |
| 596 static void | |
| 597 DoPythonCommand(exarg_T *eap, const char *cmd) | |
| 598 { | |
| 323 | 599 #ifndef PY_CAN_RECURSE |
| 7 | 600 static int recursive = 0; |
| 601 #endif | |
| 602 #if defined(MACOS) && !defined(MACOS_X_UNIX) | |
| 603 GrafPtr oldPort; | |
| 604 #endif | |
| 605 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) | |
| 606 char *saved_locale; | |
| 607 #endif | |
| 608 | |
| 609 #ifndef PY_CAN_RECURSE | |
| 610 if (recursive) | |
| 611 { | |
| 612 EMSG(_("E659: Cannot invoke Python recursively")); | |
| 613 return; | |
| 614 } | |
| 615 ++recursive; | |
| 616 #endif | |
| 617 | |
| 618 #if defined(MACOS) && !defined(MACOS_X_UNIX) | |
| 619 GetPort(&oldPort); | |
| 620 /* Check if the Python library is available */ | |
| 621 if ((Ptr)PyMac_Initialize == (Ptr)kUnresolvedCFragSymbolAddress) | |
| 622 goto theend; | |
| 623 #endif | |
| 624 if (Python_Init()) | |
| 625 goto theend; | |
| 626 | |
| 627 RangeStart = eap->line1; | |
| 628 RangeEnd = eap->line2; | |
| 629 Python_Release_Vim(); /* leave vim */ | |
| 630 | |
| 631 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) | |
| 632 /* Python only works properly when the LC_NUMERIC locale is "C". */ | |
| 633 saved_locale = setlocale(LC_NUMERIC, NULL); | |
| 634 if (saved_locale == NULL || STRCMP(saved_locale, "C") == 0) | |
| 635 saved_locale = NULL; | |
| 636 else | |
| 637 { | |
| 638 /* Need to make a copy, value may change when setting new locale. */ | |
| 639 saved_locale = (char *)vim_strsave((char_u *)saved_locale); | |
| 640 (void)setlocale(LC_NUMERIC, "C"); | |
| 641 } | |
| 642 #endif | |
| 643 | |
| 644 Python_RestoreThread(); /* enter python */ | |
| 645 | |
| 646 PyRun_SimpleString((char *)(cmd)); | |
| 647 | |
| 648 Python_SaveThread(); /* leave python */ | |
| 649 | |
| 650 #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) | |
| 651 if (saved_locale != NULL) | |
| 652 { | |
| 653 (void)setlocale(LC_NUMERIC, saved_locale); | |
| 654 vim_free(saved_locale); | |
| 655 } | |
| 656 #endif | |
| 657 | |
| 658 Python_Lock_Vim(); /* enter vim */ | |
| 659 PythonIO_Flush(); | |
| 660 #if defined(MACOS) && !defined(MACOS_X_UNIX) | |
| 661 SetPort(oldPort); | |
| 662 #endif | |
| 663 | |
| 664 theend: | |
| 665 #ifndef PY_CAN_RECURSE | |
| 666 --recursive; | |
| 667 #endif | |
| 668 return; /* keeps lint happy */ | |
| 669 } | |
| 670 | |
| 671 /* | |
| 672 * ":python" | |
| 673 */ | |
| 674 void | |
| 675 ex_python(exarg_T *eap) | |
| 676 { | |
| 677 char_u *script; | |
| 678 | |
| 679 script = script_get(eap, eap->arg); | |
| 680 if (!eap->skip) | |
| 681 { | |
| 682 if (script == NULL) | |
| 683 DoPythonCommand(eap, (char *)eap->arg); | |
| 684 else | |
| 685 DoPythonCommand(eap, (char *)script); | |
| 686 } | |
| 687 vim_free(script); | |
| 688 } | |
| 689 | |
| 690 #define BUFFER_SIZE 1024 | |
| 691 | |
| 692 /* | |
| 693 * ":pyfile" | |
| 694 */ | |
| 695 void | |
| 696 ex_pyfile(exarg_T *eap) | |
| 697 { | |
| 698 static char buffer[BUFFER_SIZE]; | |
| 699 const char *file = (char *)eap->arg; | |
| 700 char *p; | |
| 701 | |
| 702 /* Have to do it like this. PyRun_SimpleFile requires you to pass a | |
| 703 * stdio file pointer, but Vim and the Python DLL are compiled with | |
| 704 * different options under Windows, meaning that stdio pointers aren't | |
| 705 * compatible between the two. Yuk. | |
| 706 * | |
| 707 * Put the string "execfile('file')" into buffer. But, we need to | |
| 708 * escape any backslashes or single quotes in the file name, so that | |
| 709 * Python won't mangle the file name. | |
| 710 */ | |
| 711 strcpy(buffer, "execfile('"); | |
| 712 p = buffer + 10; /* size of "execfile('" */ | |
| 713 | |
| 714 while (*file && p < buffer + (BUFFER_SIZE - 3)) | |
| 715 { | |
| 716 if (*file == '\\' || *file == '\'') | |
| 717 *p++ = '\\'; | |
| 718 *p++ = *file++; | |
| 719 } | |
| 720 | |
| 721 /* If we didn't finish the file name, we hit a buffer overflow */ | |
| 722 if (*file != '\0') | |
| 723 return; | |
| 724 | |
| 725 /* Put in the terminating "')" and a null */ | |
| 726 *p++ = '\''; | |
| 727 *p++ = ')'; | |
| 728 *p++ = '\0'; | |
| 729 | |
| 730 /* Execute the file */ | |
| 731 DoPythonCommand(eap, buffer); | |
| 732 } | |
| 733 | |
| 734 /****************************************************** | |
| 735 * 2. Python output stream: writes output via [e]msg(). | |
| 736 */ | |
| 737 | |
| 738 /* Implementation functions | |
| 739 */ | |
| 740 | |
| 741 static PyObject * | |
| 742 OutputGetattr(PyObject *self, char *name) | |
| 743 { | |
| 744 if (strcmp(name, "softspace") == 0) | |
| 745 return PyInt_FromLong(((OutputObject *)(self))->softspace); | |
| 746 | |
| 747 return Py_FindMethod(OutputMethods, self, name); | |
| 748 } | |
| 749 | |
| 750 static int | |
| 751 OutputSetattr(PyObject *self, char *name, PyObject *val) | |
| 752 { | |
| 753 if (val == NULL) { | |
| 754 PyErr_SetString(PyExc_AttributeError, _("can't delete OutputObject attributes")); | |
| 755 return -1; | |
| 756 } | |
| 757 | |
| 758 if (strcmp(name, "softspace") == 0) | |
| 759 { | |
| 760 if (!PyInt_Check(val)) { | |
| 761 PyErr_SetString(PyExc_TypeError, _("softspace must be an integer")); | |
| 762 return -1; | |
| 763 } | |
| 764 | |
| 765 ((OutputObject *)(self))->softspace = PyInt_AsLong(val); | |
| 766 return 0; | |
| 767 } | |
| 768 | |
| 769 PyErr_SetString(PyExc_AttributeError, _("invalid attribute")); | |
| 770 return -1; | |
| 771 } | |
| 772 | |
| 773 /***************/ | |
| 774 | |
| 775 static int | |
| 776 PythonIO_Init(void) | |
| 777 { | |
| 778 /* Fixups... */ | |
| 779 OutputType.ob_type = &PyType_Type; | |
| 780 | |
|
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|
781 return PythonIO_Init_io(); |
| 7 | 782 } |
| 783 | |
| 784 /****************************************************** | |
| 785 * 3. Implementation of the Vim module for Python | |
| 786 */ | |
| 787 | |
| 788 /* Window type - Implementation functions | |
| 789 * -------------------------------------- | |
| 790 */ | |
| 791 | |
| 792 #define WindowType_Check(obj) ((obj)->ob_type == &WindowType) | |
| 793 | |
| 794 static void WindowDestructor(PyObject *); | |
| 795 static PyObject *WindowGetattr(PyObject *, char *); | |
| 796 | |
| 797 /* Buffer type - Implementation functions | |
| 798 * -------------------------------------- | |
| 799 */ | |
| 800 | |
| 801 #define BufferType_Check(obj) ((obj)->ob_type == &BufferType) | |
| 802 | |
| 803 static void BufferDestructor(PyObject *); | |
| 804 static PyObject *BufferGetattr(PyObject *, char *); | |
| 805 static PyObject *BufferRepr(PyObject *); | |
| 806 | |
| 1594 | 807 static PyInt BufferLength(PyObject *); |
| 808 static PyObject *BufferItem(PyObject *, PyInt); | |
| 809 static PyObject *BufferSlice(PyObject *, PyInt, PyInt); | |
| 810 static PyInt BufferAssItem(PyObject *, PyInt, PyObject *); | |
| 811 static PyInt BufferAssSlice(PyObject *, PyInt, PyInt, PyObject *); | |
| 7 | 812 |
| 813 /* Line range type - Implementation functions | |
| 814 * -------------------------------------- | |
| 815 */ | |
| 816 | |
| 817 #define RangeType_Check(obj) ((obj)->ob_type == &RangeType) | |
| 818 | |
| 1594 | 819 static PyInt RangeAssItem(PyObject *, PyInt, PyObject *); |
| 820 static PyInt RangeAssSlice(PyObject *, PyInt, PyInt, PyObject *); | |
| 7 | 821 |
| 822 /* Current objects type - Implementation functions | |
| 823 * ----------------------------------------------- | |
| 824 */ | |
| 825 | |
| 826 static PyObject *CurrentGetattr(PyObject *, char *); | |
| 827 static int CurrentSetattr(PyObject *, char *, PyObject *); | |
| 828 | |
| 829 /* Common routines for buffers and line ranges | |
| 830 * ------------------------------------------- | |
| 831 */ | |
|
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|
832 |
| 1594 | 833 static PyInt |
| 1607 | 834 RBAssSlice(BufferObject *self, PyInt lo, PyInt hi, PyObject *val, PyInt start, PyInt end, PyInt *new_end) |
| 7 | 835 { |
| 1607 | 836 PyInt size; |
| 837 PyInt len_change; | |
| 7 | 838 |
| 839 /* Self must be a valid buffer */ | |
| 840 if (CheckBuffer(self)) | |
| 841 return -1; | |
| 842 | |
| 843 /* Sort out the slice range */ | |
| 844 size = end - start + 1; | |
| 845 | |
| 846 if (lo < 0) | |
| 847 lo = 0; | |
| 848 else if (lo > size) | |
| 849 lo = size; | |
| 850 if (hi < 0) | |
| 851 hi = 0; | |
| 852 if (hi < lo) | |
| 853 hi = lo; | |
| 854 else if (hi > size) | |
| 855 hi = size; | |
| 856 | |
|
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|
857 if (SetBufferLineList(self->buf, lo + start, hi + start, |
|
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|
858 val, &len_change) == FAIL) |
| 7 | 859 return -1; |
| 860 | |
| 861 if (new_end) | |
| 862 *new_end = end + len_change; | |
| 863 | |
| 864 return 0; | |
| 865 } | |
| 866 | |
| 867 static PySequenceMethods BufferAsSeq = { | |
| 1594 | 868 (PyInquiry) BufferLength, /* sq_length, len(x) */ |
| 7 | 869 (binaryfunc) 0, /* BufferConcat, */ /* sq_concat, x+y */ |
| 1594 | 870 (PyIntArgFunc) 0, /* BufferRepeat, */ /* sq_repeat, x*n */ |
| 871 (PyIntArgFunc) BufferItem, /* sq_item, x[i] */ | |
| 872 (PyIntIntArgFunc) BufferSlice, /* sq_slice, x[i:j] */ | |
| 873 (PyIntObjArgProc) BufferAssItem, /* sq_ass_item, x[i]=v */ | |
| 874 (PyIntIntObjArgProc) BufferAssSlice, /* sq_ass_slice, x[i:j]=v */ | |
| 7 | 875 }; |
| 876 | |
| 877 static PyTypeObject BufferType = { | |
| 878 PyObject_HEAD_INIT(0) | |
| 879 0, | |
| 880 "buffer", | |
| 881 sizeof(BufferObject), | |
| 882 0, | |
| 883 | |
| 884 (destructor) BufferDestructor, /* tp_dealloc, refcount==0 */ | |
| 885 (printfunc) 0, /* tp_print, print x */ | |
| 886 (getattrfunc) BufferGetattr, /* tp_getattr, x.attr */ | |
| 887 (setattrfunc) 0, /* tp_setattr, x.attr=v */ | |
| 888 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 889 (reprfunc) BufferRepr, /* tp_repr, `x`, print x */ | |
| 890 | |
| 891 0, /* as number */ | |
| 892 &BufferAsSeq, /* as sequence */ | |
| 893 0, /* as mapping */ | |
| 894 | |
| 895 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 896 (ternaryfunc) 0, /* tp_call, x() */ | |
| 897 (reprfunc) 0, /* tp_str, str(x) */ | |
| 898 }; | |
| 899 | |
| 900 /* Buffer object - Implementation | |
| 901 */ | |
| 902 | |
| 903 static PyObject * | |
| 904 BufferNew(buf_T *buf) | |
| 905 { | |
| 906 /* We need to handle deletion of buffers underneath us. | |
| 502 | 907 * If we add a "b_python_ref" field to the buf_T structure, |
| 7 | 908 * then we can get at it in buf_freeall() in vim. We then |
| 909 * need to create only ONE Python object per buffer - if | |
| 910 * we try to create a second, just INCREF the existing one | |
| 911 * and return it. The (single) Python object referring to | |
| 502 | 912 * the buffer is stored in "b_python_ref". |
| 7 | 913 * Question: what to do on a buf_freeall(). We'll probably |
| 914 * have to either delete the Python object (DECREF it to | |
| 915 * zero - a bad idea, as it leaves dangling refs!) or | |
| 916 * set the buf_T * value to an invalid value (-1?), which | |
| 917 * means we need checks in all access functions... Bah. | |
| 918 */ | |
| 919 | |
| 920 BufferObject *self; | |
| 921 | |
| 502 | 922 if (buf->b_python_ref != NULL) |
| 7 | 923 { |
| 502 | 924 self = buf->b_python_ref; |
| 7 | 925 Py_INCREF(self); |
| 926 } | |
| 927 else | |
| 928 { | |
| 929 self = PyObject_NEW(BufferObject, &BufferType); | |
| 930 if (self == NULL) | |
| 931 return NULL; | |
| 932 self->buf = buf; | |
| 502 | 933 buf->b_python_ref = self; |
| 7 | 934 } |
| 935 | |
| 936 return (PyObject *)(self); | |
| 937 } | |
| 938 | |
| 939 static void | |
| 940 BufferDestructor(PyObject *self) | |
| 941 { | |
| 942 BufferObject *this = (BufferObject *)(self); | |
| 943 | |
| 944 if (this->buf && this->buf != INVALID_BUFFER_VALUE) | |
| 502 | 945 this->buf->b_python_ref = NULL; |
| 7 | 946 |
| 986 | 947 Py_DECREF(self); |
| 7 | 948 } |
| 949 | |
| 950 static PyObject * | |
| 951 BufferGetattr(PyObject *self, char *name) | |
| 952 { | |
| 953 BufferObject *this = (BufferObject *)(self); | |
| 954 | |
| 955 if (CheckBuffer(this)) | |
| 956 return NULL; | |
| 957 | |
| 958 if (strcmp(name, "name") == 0) | |
| 1607 | 959 return Py_BuildValue("s", this->buf->b_ffname); |
| 7 | 960 else if (strcmp(name, "number") == 0) |
| 1607 | 961 return Py_BuildValue(Py_ssize_t_fmt, this->buf->b_fnum); |
| 7 | 962 else if (strcmp(name,"__members__") == 0) |
| 963 return Py_BuildValue("[ss]", "name", "number"); | |
| 964 else | |
| 965 return Py_FindMethod(BufferMethods, self, name); | |
| 966 } | |
| 967 | |
| 968 static PyObject * | |
| 969 BufferRepr(PyObject *self) | |
| 970 { | |
| 274 | 971 static char repr[100]; |
| 7 | 972 BufferObject *this = (BufferObject *)(self); |
| 973 | |
| 974 if (this->buf == INVALID_BUFFER_VALUE) | |
| 975 { | |
| 1607 | 976 vim_snprintf(repr, 100, _("<buffer object (deleted) at %p>"), (self)); |
| 7 | 977 return PyString_FromString(repr); |
| 978 } | |
| 979 else | |
| 980 { | |
| 981 char *name = (char *)this->buf->b_fname; | |
| 1607 | 982 PyInt len; |
| 7 | 983 |
| 984 if (name == NULL) | |
| 985 name = ""; | |
| 986 len = strlen(name); | |
| 987 | |
| 988 if (len > 35) | |
| 989 name = name + (35 - len); | |
| 990 | |
| 274 | 991 vim_snprintf(repr, 100, "<buffer %s%s>", len > 35 ? "..." : "", name); |
| 7 | 992 |
| 993 return PyString_FromString(repr); | |
| 994 } | |
| 995 } | |
| 996 | |
| 997 /******************/ | |
| 998 | |
| 1594 | 999 static PyInt |
| 7 | 1000 BufferLength(PyObject *self) |
| 1001 { | |
| 1002 /* HOW DO WE SIGNAL AN ERROR FROM THIS FUNCTION? */ | |
| 1003 if (CheckBuffer((BufferObject *)(self))) | |
| 1004 return -1; /* ??? */ | |
| 1005 | |
| 1006 return (((BufferObject *)(self))->buf->b_ml.ml_line_count); | |
| 1007 } | |
| 1008 | |
| 1009 static PyObject * | |
| 1594 | 1010 BufferItem(PyObject *self, PyInt n) |
| 7 | 1011 { |
| 1012 return RBItem((BufferObject *)(self), n, 1, | |
| 1013 (int)((BufferObject *)(self))->buf->b_ml.ml_line_count); | |
| 1014 } | |
| 1015 | |
| 1016 static PyObject * | |
| 1594 | 1017 BufferSlice(PyObject *self, PyInt lo, PyInt hi) |
| 7 | 1018 { |
| 1019 return RBSlice((BufferObject *)(self), lo, hi, 1, | |
| 1020 (int)((BufferObject *)(self))->buf->b_ml.ml_line_count); | |
| 1021 } | |
| 1022 | |
| 1594 | 1023 static PyInt |
| 1024 BufferAssItem(PyObject *self, PyInt n, PyObject *val) | |
| 7 | 1025 { |
|
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1026 return RBAsItem((BufferObject *)(self), n, val, 1, |
| 1607 | 1027 (PyInt)((BufferObject *)(self))->buf->b_ml.ml_line_count, |
| 7 | 1028 NULL); |
| 1029 } | |
| 1030 | |
| 1594 | 1031 static PyInt |
| 1032 BufferAssSlice(PyObject *self, PyInt lo, PyInt hi, PyObject *val) | |
| 7 | 1033 { |
| 1034 return RBAssSlice((BufferObject *)(self), lo, hi, val, 1, | |
| 1607 | 1035 (PyInt)((BufferObject *)(self))->buf->b_ml.ml_line_count, |
| 7 | 1036 NULL); |
| 1037 } | |
| 1038 | |
| 1039 static PySequenceMethods RangeAsSeq = { | |
| 1594 | 1040 (PyInquiry) RangeLength, /* sq_length, len(x) */ |
| 7 | 1041 (binaryfunc) 0, /* RangeConcat, */ /* sq_concat, x+y */ |
| 1594 | 1042 (PyIntArgFunc) 0, /* RangeRepeat, */ /* sq_repeat, x*n */ |
| 1043 (PyIntArgFunc) RangeItem, /* sq_item, x[i] */ | |
| 1044 (PyIntIntArgFunc) RangeSlice, /* sq_slice, x[i:j] */ | |
| 1045 (PyIntObjArgProc) RangeAssItem, /* sq_ass_item, x[i]=v */ | |
| 1046 (PyIntIntObjArgProc) RangeAssSlice, /* sq_ass_slice, x[i:j]=v */ | |
| 7 | 1047 }; |
| 1048 | |
| 1049 /* Line range object - Implementation | |
| 1050 */ | |
| 1051 | |
| 1052 static void | |
| 1053 RangeDestructor(PyObject *self) | |
| 1054 { | |
| 1055 Py_DECREF(((RangeObject *)(self))->buf); | |
| 986 | 1056 Py_DECREF(self); |
| 7 | 1057 } |
| 1058 | |
| 1059 static PyObject * | |
| 1060 RangeGetattr(PyObject *self, char *name) | |
| 1061 { | |
| 1062 if (strcmp(name, "start") == 0) | |
| 1607 | 1063 return Py_BuildValue(Py_ssize_t_fmt, ((RangeObject *)(self))->start - 1); |
| 7 | 1064 else if (strcmp(name, "end") == 0) |
| 1607 | 1065 return Py_BuildValue(Py_ssize_t_fmt, ((RangeObject *)(self))->end - 1); |
| 7 | 1066 else |
| 1067 return Py_FindMethod(RangeMethods, self, name); | |
| 1068 } | |
| 1069 | |
| 1070 /****************/ | |
| 1071 | |
| 1594 | 1072 static PyInt |
| 1073 RangeAssItem(PyObject *self, PyInt n, PyObject *val) | |
| 7 | 1074 { |
|
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diff
changeset
|
1075 return RBAsItem(((RangeObject *)(self))->buf, n, val, |
| 7 | 1076 ((RangeObject *)(self))->start, |
| 1077 ((RangeObject *)(self))->end, | |
| 1078 &((RangeObject *)(self))->end); | |
| 1079 } | |
| 1080 | |
| 1594 | 1081 static PyInt |
| 1082 RangeAssSlice(PyObject *self, PyInt lo, PyInt hi, PyObject *val) | |
| 7 | 1083 { |
| 1084 return RBAssSlice(((RangeObject *)(self))->buf, lo, hi, val, | |
| 1085 ((RangeObject *)(self))->start, | |
| 1086 ((RangeObject *)(self))->end, | |
| 1087 &((RangeObject *)(self))->end); | |
| 1088 } | |
| 1089 | |
| 1090 /* Buffer list object - Definitions | |
| 1091 */ | |
| 1092 | |
| 1093 typedef struct | |
| 1094 { | |
| 1095 PyObject_HEAD | |
|
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diff
changeset
|
1096 } BufListObject; |
| 7 | 1097 |
| 1098 static PySequenceMethods BufListAsSeq = { | |
| 1594 | 1099 (PyInquiry) BufListLength, /* sq_length, len(x) */ |
| 7 | 1100 (binaryfunc) 0, /* sq_concat, x+y */ |
| 1594 | 1101 (PyIntArgFunc) 0, /* sq_repeat, x*n */ |
| 1102 (PyIntArgFunc) BufListItem, /* sq_item, x[i] */ | |
| 1103 (PyIntIntArgFunc) 0, /* sq_slice, x[i:j] */ | |
| 1104 (PyIntObjArgProc) 0, /* sq_ass_item, x[i]=v */ | |
| 1105 (PyIntIntObjArgProc) 0, /* sq_ass_slice, x[i:j]=v */ | |
| 7 | 1106 }; |
| 1107 | |
| 1108 static PyTypeObject BufListType = { | |
| 1109 PyObject_HEAD_INIT(0) | |
| 1110 0, | |
| 1111 "buffer list", | |
| 1112 sizeof(BufListObject), | |
| 1113 0, | |
| 1114 | |
| 1115 (destructor) 0, /* tp_dealloc, refcount==0 */ | |
| 1116 (printfunc) 0, /* tp_print, print x */ | |
| 1117 (getattrfunc) 0, /* tp_getattr, x.attr */ | |
| 1118 (setattrfunc) 0, /* tp_setattr, x.attr=v */ | |
| 1119 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 1120 (reprfunc) 0, /* tp_repr, `x`, print x */ | |
| 1121 | |
| 1122 0, /* as number */ | |
| 1123 &BufListAsSeq, /* as sequence */ | |
| 1124 0, /* as mapping */ | |
| 1125 | |
| 1126 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 1127 (ternaryfunc) 0, /* tp_call, x() */ | |
| 1128 (reprfunc) 0, /* tp_str, str(x) */ | |
| 1129 }; | |
| 1130 | |
| 1131 /* Window object - Definitions | |
| 1132 */ | |
| 1133 | |
| 1134 static struct PyMethodDef WindowMethods[] = { | |
| 1135 /* name, function, calling, documentation */ | |
| 1136 { NULL, NULL, 0, NULL } | |
| 1137 }; | |
| 1138 | |
| 1139 static PyTypeObject WindowType = { | |
| 1140 PyObject_HEAD_INIT(0) | |
| 1141 0, | |
| 1142 "window", | |
| 1143 sizeof(WindowObject), | |
| 1144 0, | |
| 1145 | |
| 1146 (destructor) WindowDestructor, /* tp_dealloc, refcount==0 */ | |
| 1147 (printfunc) 0, /* tp_print, print x */ | |
| 1148 (getattrfunc) WindowGetattr, /* tp_getattr, x.attr */ | |
| 1149 (setattrfunc) WindowSetattr, /* tp_setattr, x.attr=v */ | |
| 1150 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 1151 (reprfunc) WindowRepr, /* tp_repr, `x`, print x */ | |
| 1152 | |
| 1153 0, /* as number */ | |
| 1154 0, /* as sequence */ | |
| 1155 0, /* as mapping */ | |
| 1156 | |
| 1157 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 1158 (ternaryfunc) 0, /* tp_call, x() */ | |
| 1159 (reprfunc) 0, /* tp_str, str(x) */ | |
| 1160 }; | |
| 1161 | |
| 1162 /* Window object - Implementation | |
| 1163 */ | |
| 1164 | |
| 1165 static PyObject * | |
| 1166 WindowNew(win_T *win) | |
| 1167 { | |
| 1168 /* We need to handle deletion of windows underneath us. | |
| 502 | 1169 * If we add a "w_python_ref" field to the win_T structure, |
| 7 | 1170 * then we can get at it in win_free() in vim. We then |
| 1171 * need to create only ONE Python object per window - if | |
| 1172 * we try to create a second, just INCREF the existing one | |
| 1173 * and return it. The (single) Python object referring to | |
| 502 | 1174 * the window is stored in "w_python_ref". |
| 7 | 1175 * On a win_free() we set the Python object's win_T* field |
| 1176 * to an invalid value. We trap all uses of a window | |
| 1177 * object, and reject them if the win_T* field is invalid. | |
| 1178 */ | |
| 1179 | |
| 1180 WindowObject *self; | |
| 1181 | |
| 502 | 1182 if (win->w_python_ref) |
| 7 | 1183 { |
| 502 | 1184 self = win->w_python_ref; |
| 7 | 1185 Py_INCREF(self); |
| 1186 } | |
| 1187 else | |
| 1188 { | |
| 1189 self = PyObject_NEW(WindowObject, &WindowType); | |
| 1190 if (self == NULL) | |
| 1191 return NULL; | |
| 1192 self->win = win; | |
| 502 | 1193 win->w_python_ref = self; |
| 7 | 1194 } |
| 1195 | |
| 1196 return (PyObject *)(self); | |
| 1197 } | |
| 1198 | |
| 1199 static void | |
| 1200 WindowDestructor(PyObject *self) | |
| 1201 { | |
| 1202 WindowObject *this = (WindowObject *)(self); | |
| 1203 | |
| 1204 if (this->win && this->win != INVALID_WINDOW_VALUE) | |
| 502 | 1205 this->win->w_python_ref = NULL; |
| 7 | 1206 |
| 986 | 1207 Py_DECREF(self); |
| 7 | 1208 } |
| 1209 | |
| 1210 static PyObject * | |
| 1211 WindowGetattr(PyObject *self, char *name) | |
| 1212 { | |
| 1213 WindowObject *this = (WindowObject *)(self); | |
| 1214 | |
| 1215 if (CheckWindow(this)) | |
| 1216 return NULL; | |
| 1217 | |
| 1218 if (strcmp(name, "buffer") == 0) | |
| 1219 return (PyObject *)BufferNew(this->win->w_buffer); | |
| 1220 else if (strcmp(name, "cursor") == 0) | |
| 1221 { | |
| 1222 pos_T *pos = &this->win->w_cursor; | |
| 1223 | |
| 1224 return Py_BuildValue("(ll)", (long)(pos->lnum), (long)(pos->col)); | |
| 1225 } | |
| 1226 else if (strcmp(name, "height") == 0) | |
| 1227 return Py_BuildValue("l", (long)(this->win->w_height)); | |
| 1228 #ifdef FEAT_VERTSPLIT | |
| 1229 else if (strcmp(name, "width") == 0) | |
| 1230 return Py_BuildValue("l", (long)(W_WIDTH(this->win))); | |
| 1231 #endif | |
| 1232 else if (strcmp(name,"__members__") == 0) | |
| 1233 return Py_BuildValue("[sss]", "buffer", "cursor", "height"); | |
| 1234 else | |
| 1235 return Py_FindMethod(WindowMethods, self, name); | |
| 1236 } | |
| 1237 | |
| 1238 /* Window list object - Definitions | |
| 1239 */ | |
| 1240 | |
| 1241 typedef struct | |
| 1242 { | |
| 1243 PyObject_HEAD | |
| 1244 } | |
| 1245 WinListObject; | |
| 1246 | |
| 1247 static PySequenceMethods WinListAsSeq = { | |
| 1594 | 1248 (PyInquiry) WinListLength, /* sq_length, len(x) */ |
| 7 | 1249 (binaryfunc) 0, /* sq_concat, x+y */ |
| 1594 | 1250 (PyIntArgFunc) 0, /* sq_repeat, x*n */ |
| 1251 (PyIntArgFunc) WinListItem, /* sq_item, x[i] */ | |
| 1252 (PyIntIntArgFunc) 0, /* sq_slice, x[i:j] */ | |
| 1253 (PyIntObjArgProc) 0, /* sq_ass_item, x[i]=v */ | |
| 1254 (PyIntIntObjArgProc) 0, /* sq_ass_slice, x[i:j]=v */ | |
| 7 | 1255 }; |
| 1256 | |
| 1257 static PyTypeObject WinListType = { | |
| 1258 PyObject_HEAD_INIT(0) | |
| 1259 0, | |
| 1260 "window list", | |
| 1261 sizeof(WinListObject), | |
| 1262 0, | |
| 1263 | |
| 1264 (destructor) 0, /* tp_dealloc, refcount==0 */ | |
| 1265 (printfunc) 0, /* tp_print, print x */ | |
| 1266 (getattrfunc) 0, /* tp_getattr, x.attr */ | |
| 1267 (setattrfunc) 0, /* tp_setattr, x.attr=v */ | |
| 1268 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 1269 (reprfunc) 0, /* tp_repr, `x`, print x */ | |
| 1270 | |
| 1271 0, /* as number */ | |
| 1272 &WinListAsSeq, /* as sequence */ | |
| 1273 0, /* as mapping */ | |
| 1274 | |
| 1275 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 1276 (ternaryfunc) 0, /* tp_call, x() */ | |
| 1277 (reprfunc) 0, /* tp_str, str(x) */ | |
| 1278 }; | |
| 1279 | |
| 1280 /* Current items object - Definitions | |
| 1281 */ | |
| 1282 | |
| 1283 typedef struct | |
| 1284 { | |
| 1285 PyObject_HEAD | |
|
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diff
changeset
|
1286 } CurrentObject; |
| 7 | 1287 |
| 1288 static PyTypeObject CurrentType = { | |
| 1289 PyObject_HEAD_INIT(0) | |
| 1290 0, | |
| 1291 "current data", | |
| 1292 sizeof(CurrentObject), | |
| 1293 0, | |
| 1294 | |
| 1295 (destructor) 0, /* tp_dealloc, refcount==0 */ | |
| 1296 (printfunc) 0, /* tp_print, print x */ | |
| 1297 (getattrfunc) CurrentGetattr, /* tp_getattr, x.attr */ | |
| 1298 (setattrfunc) CurrentSetattr, /* tp_setattr, x.attr=v */ | |
| 1299 (cmpfunc) 0, /* tp_compare, x>y */ | |
| 1300 (reprfunc) 0, /* tp_repr, `x`, print x */ | |
| 1301 | |
| 1302 0, /* as number */ | |
| 1303 0, /* as sequence */ | |
| 1304 0, /* as mapping */ | |
| 1305 | |
| 1306 (hashfunc) 0, /* tp_hash, dict(x) */ | |
| 1307 (ternaryfunc) 0, /* tp_call, x() */ | |
| 1308 (reprfunc) 0, /* tp_str, str(x) */ | |
| 1309 }; | |
| 1310 | |
| 1311 /* Current items object - Implementation | |
| 1312 */ | |
| 1313 static PyObject * | |
| 1887 | 1314 CurrentGetattr(PyObject *self UNUSED, char *name) |
| 7 | 1315 { |
| 1316 if (strcmp(name, "buffer") == 0) | |
| 1317 return (PyObject *)BufferNew(curbuf); | |
| 1318 else if (strcmp(name, "window") == 0) | |
| 1319 return (PyObject *)WindowNew(curwin); | |
| 1320 else if (strcmp(name, "line") == 0) | |
| 1607 | 1321 return GetBufferLine(curbuf, (PyInt)curwin->w_cursor.lnum); |
| 7 | 1322 else if (strcmp(name, "range") == 0) |
| 1323 return RangeNew(curbuf, RangeStart, RangeEnd); | |
| 1324 else if (strcmp(name,"__members__") == 0) | |
| 1325 return Py_BuildValue("[ssss]", "buffer", "window", "line", "range"); | |
| 1326 else | |
| 1327 { | |
| 1328 PyErr_SetString(PyExc_AttributeError, name); | |
| 1329 return NULL; | |
| 1330 } | |
| 1331 } | |
| 1332 | |
| 1333 static int | |
| 1887 | 1334 CurrentSetattr(PyObject *self UNUSED, char *name, PyObject *value) |
| 7 | 1335 { |
| 1336 if (strcmp(name, "line") == 0) | |
| 1337 { | |
| 1607 | 1338 if (SetBufferLine(curbuf, (PyInt)curwin->w_cursor.lnum, value, NULL) == FAIL) |
| 7 | 1339 return -1; |
| 1340 | |
| 1341 return 0; | |
| 1342 } | |
| 1343 else | |
| 1344 { | |
| 1345 PyErr_SetString(PyExc_AttributeError, name); | |
| 1346 return -1; | |
| 1347 } | |
| 1348 } | |
| 1349 | |
| 1350 /* External interface | |
| 1351 */ | |
| 1352 | |
| 1353 void | |
| 1354 python_buffer_free(buf_T *buf) | |
| 1355 { | |
| 502 | 1356 if (buf->b_python_ref != NULL) |
| 7 | 1357 { |
| 502 | 1358 BufferObject *bp = buf->b_python_ref; |
| 7 | 1359 bp->buf = INVALID_BUFFER_VALUE; |
| 502 | 1360 buf->b_python_ref = NULL; |
| 7 | 1361 } |
| 1362 } | |
| 1363 | |
| 1364 #if defined(FEAT_WINDOWS) || defined(PROTO) | |
| 1365 void | |
| 1366 python_window_free(win_T *win) | |
| 1367 { | |
| 502 | 1368 if (win->w_python_ref != NULL) |
| 7 | 1369 { |
| 502 | 1370 WindowObject *wp = win->w_python_ref; |
| 7 | 1371 wp->win = INVALID_WINDOW_VALUE; |
| 502 | 1372 win->w_python_ref = NULL; |
| 7 | 1373 } |
| 1374 } | |
| 1375 #endif | |
| 1376 | |
| 1377 static BufListObject TheBufferList = | |
| 1378 { | |
| 1379 PyObject_HEAD_INIT(&BufListType) | |
| 1380 }; | |
| 1381 | |
| 1382 static WinListObject TheWindowList = | |
| 1383 { | |
| 1384 PyObject_HEAD_INIT(&WinListType) | |
| 1385 }; | |
| 1386 | |
| 1387 static CurrentObject TheCurrent = | |
| 1388 { | |
| 1389 PyObject_HEAD_INIT(&CurrentType) | |
| 1390 }; | |
| 1391 | |
| 1392 static int | |
| 1393 PythonMod_Init(void) | |
| 1394 { | |
| 1395 PyObject *mod; | |
| 1396 PyObject *dict; | |
| 1748 | 1397 /* The special value is removed from sys.path in Python_Init(). */ |
| 1398 static char *(argv[2]) = {"/must>not&exist/foo", NULL}; | |
| 7 | 1399 |
| 1400 /* Fixups... */ | |
| 1401 BufferType.ob_type = &PyType_Type; | |
| 1402 RangeType.ob_type = &PyType_Type; | |
| 1403 WindowType.ob_type = &PyType_Type; | |
| 1404 BufListType.ob_type = &PyType_Type; | |
| 1405 WinListType.ob_type = &PyType_Type; | |
| 1406 CurrentType.ob_type = &PyType_Type; | |
| 1407 | |
| 1408 /* Set sys.argv[] to avoid a crash in warn(). */ | |
| 1409 PySys_SetArgv(1, argv); | |
| 1410 | |
| 1607 | 1411 mod = Py_InitModule4("vim", VimMethods, (char *)NULL, (PyObject *)NULL, PYTHON_API_VERSION); |
| 7 | 1412 dict = PyModule_GetDict(mod); |
| 1413 | |
| 1414 VimError = Py_BuildValue("s", "vim.error"); | |
| 1415 | |
| 1416 PyDict_SetItemString(dict, "error", VimError); | |
| 135 | 1417 PyDict_SetItemString(dict, "buffers", (PyObject *)(void *)&TheBufferList); |
| 1418 PyDict_SetItemString(dict, "current", (PyObject *)(void *)&TheCurrent); | |
| 1419 PyDict_SetItemString(dict, "windows", (PyObject *)(void *)&TheWindowList); | |
| 7 | 1420 |
| 1421 if (PyErr_Occurred()) | |
| 1422 return -1; | |
| 1423 | |
| 1424 return 0; | |
| 1425 } | |
| 1426 | |
| 1427 /************************************************************************* | |
| 1428 * 4. Utility functions for handling the interface between Vim and Python. | |
| 1429 */ | |
| 1430 | |
| 1431 /* Replace a range of lines in the specified buffer. The line numbers are in | |
| 1432 * Vim format (1-based). The range is from lo up to, but not including, hi. | |
| 1433 * The replacement lines are given as a Python list of string objects. The | |
| 1434 * list is checked for validity and correct format. Errors are returned as a | |
| 1435 * value of FAIL. The return value is OK on success. | |
| 1436 * If OK is returned and len_change is not NULL, *len_change | |
| 1437 * is set to the change in the buffer length. | |
| 1438 */ | |
| 1439 static int | |
| 1607 | 1440 SetBufferLineList(buf_T *buf, PyInt lo, PyInt hi, PyObject *list, PyInt *len_change) |
| 7 | 1441 { |
| 1442 /* First of all, we check the thpe of the supplied Python object. | |
| 1443 * There are three cases: | |
| 1444 * 1. NULL, or None - this is a deletion. | |
| 1445 * 2. A list - this is a replacement. | |
| 1446 * 3. Anything else - this is an error. | |
| 1447 */ | |
| 1448 if (list == Py_None || list == NULL) | |
| 1449 { | |
| 1594 | 1450 PyInt i; |
| 1607 | 1451 PyInt n = (int)(hi - lo); |
| 7 | 1452 buf_T *savebuf = curbuf; |
| 1453 | |
| 1454 PyErr_Clear(); | |
| 1455 curbuf = buf; | |
| 1456 | |
| 1457 if (u_savedel((linenr_T)lo, (long)n) == FAIL) | |
| 1458 PyErr_SetVim(_("cannot save undo information")); | |
| 1459 else | |
| 1460 { | |
| 1461 for (i = 0; i < n; ++i) | |
| 1462 { | |
| 1463 if (ml_delete((linenr_T)lo, FALSE) == FAIL) | |
| 1464 { | |
| 1465 PyErr_SetVim(_("cannot delete line")); | |
| 1466 break; | |
| 1467 } | |
| 1468 } | |
| 1469 if (buf == curwin->w_buffer) | |
| 1607 | 1470 py_fix_cursor((linenr_T)lo, (linenr_T)hi, (linenr_T)-n); |
| 1929 | 1471 deleted_lines_mark((linenr_T)lo, (long)i); |
| 7 | 1472 } |
| 1473 | |
| 1474 curbuf = savebuf; | |
| 1475 | |
| 1476 if (PyErr_Occurred() || VimErrorCheck()) | |
| 1477 return FAIL; | |
| 1478 | |
| 1479 if (len_change) | |
| 1480 *len_change = -n; | |
| 1481 | |
| 1482 return OK; | |
| 1483 } | |
| 1484 else if (PyList_Check(list)) | |
| 1485 { | |
| 1594 | 1486 PyInt i; |
| 1487 PyInt new_len = PyList_Size(list); | |
| 1488 PyInt old_len = hi - lo; | |
| 1607 | 1489 PyInt extra = 0; /* lines added to text, can be negative */ |
| 7 | 1490 char **array; |
| 1491 buf_T *savebuf; | |
| 1492 | |
| 1493 if (new_len == 0) /* avoid allocating zero bytes */ | |
| 1494 array = NULL; | |
| 1495 else | |
| 1496 { | |
| 1497 array = (char **)alloc((unsigned)(new_len * sizeof(char *))); | |
| 1498 if (array == NULL) | |
| 1499 { | |
| 1500 PyErr_NoMemory(); | |
| 1501 return FAIL; | |
| 1502 } | |
| 1503 } | |
| 1504 | |
| 1505 for (i = 0; i < new_len; ++i) | |
| 1506 { | |
| 1507 PyObject *line = PyList_GetItem(list, i); | |
| 1508 | |
| 1509 array[i] = StringToLine(line); | |
| 1510 if (array[i] == NULL) | |
| 1511 { | |
| 1512 while (i) | |
| 1513 vim_free(array[--i]); | |
| 1514 vim_free(array); | |
| 1515 return FAIL; | |
| 1516 } | |
| 1517 } | |
| 1518 | |
| 1519 savebuf = curbuf; | |
| 1520 | |
| 1521 PyErr_Clear(); | |
| 1522 curbuf = buf; | |
| 1523 | |
| 1524 if (u_save((linenr_T)(lo-1), (linenr_T)hi) == FAIL) | |
| 1525 PyErr_SetVim(_("cannot save undo information")); | |
| 1526 | |
| 1527 /* If the size of the range is reducing (ie, new_len < old_len) we | |
| 1528 * need to delete some old_len. We do this at the start, by | |
| 1529 * repeatedly deleting line "lo". | |
| 1530 */ | |
| 1531 if (!PyErr_Occurred()) | |
| 1532 { | |
| 1533 for (i = 0; i < old_len - new_len; ++i) | |
| 1534 if (ml_delete((linenr_T)lo, FALSE) == FAIL) | |
| 1535 { | |
| 1536 PyErr_SetVim(_("cannot delete line")); | |
| 1537 break; | |
| 1538 } | |
| 1539 extra -= i; | |
| 1540 } | |
| 1541 | |
| 1542 /* For as long as possible, replace the existing old_len with the | |
| 1543 * new old_len. This is a more efficient operation, as it requires | |
| 1544 * less memory allocation and freeing. | |
| 1545 */ | |
| 1546 if (!PyErr_Occurred()) | |
| 1547 { | |
| 1548 for (i = 0; i < old_len && i < new_len; ++i) | |
| 1549 if (ml_replace((linenr_T)(lo+i), (char_u *)array[i], FALSE) | |
| 1550 == FAIL) | |
| 1551 { | |
| 1552 PyErr_SetVim(_("cannot replace line")); | |
| 1553 break; | |
| 1554 } | |
| 1555 } | |
| 1556 else | |
| 1557 i = 0; | |
| 1558 | |
| 1559 /* Now we may need to insert the remaining new old_len. If we do, we | |
| 1560 * must free the strings as we finish with them (we can't pass the | |
| 1561 * responsibility to vim in this case). | |
| 1562 */ | |
| 1563 if (!PyErr_Occurred()) | |
| 1564 { | |
| 1565 while (i < new_len) | |
| 1566 { | |
| 1567 if (ml_append((linenr_T)(lo + i - 1), | |
| 1568 (char_u *)array[i], 0, FALSE) == FAIL) | |
| 1569 { | |
| 1570 PyErr_SetVim(_("cannot insert line")); | |
| 1571 break; | |
| 1572 } | |
| 1573 vim_free(array[i]); | |
| 1574 ++i; | |
| 1575 ++extra; | |
| 1576 } | |
| 1577 } | |
| 1578 | |
| 1579 /* Free any left-over old_len, as a result of an error */ | |
| 1580 while (i < new_len) | |
| 1581 { | |
| 1582 vim_free(array[i]); | |
| 1583 ++i; | |
| 1584 } | |
| 1585 | |
| 1586 /* Free the array of old_len. All of its contents have now | |
| 1587 * been dealt with (either freed, or the responsibility passed | |
| 1588 * to vim. | |
| 1589 */ | |
| 1590 vim_free(array); | |
| 1591 | |
| 1592 /* Adjust marks. Invalidate any which lie in the | |
| 1593 * changed range, and move any in the remainder of the buffer. | |
| 1594 */ | |
| 1595 mark_adjust((linenr_T)lo, (linenr_T)(hi - 1), | |
| 1596 (long)MAXLNUM, (long)extra); | |
| 1597 changed_lines((linenr_T)lo, 0, (linenr_T)hi, (long)extra); | |
| 1598 | |
| 1599 if (buf == curwin->w_buffer) | |
| 1607 | 1600 py_fix_cursor((linenr_T)lo, (linenr_T)hi, (linenr_T)extra); |
| 7 | 1601 |
| 1602 curbuf = savebuf; | |
| 1603 | |
| 1604 if (PyErr_Occurred() || VimErrorCheck()) | |
| 1605 return FAIL; | |
| 1606 | |
| 1607 if (len_change) | |
| 1608 *len_change = new_len - old_len; | |
| 1609 | |
| 1610 return OK; | |
| 1611 } | |
| 1612 else | |
| 1613 { | |
| 1614 PyErr_BadArgument(); | |
| 1615 return FAIL; | |
| 1616 } | |
| 1617 } | |
| 1618 | |
| 1619 /* Convert a Vim line into a Python string. | |
| 1620 * All internal newlines are replaced by null characters. | |
| 1621 * | |
| 1622 * On errors, the Python exception data is set, and NULL is returned. | |
| 1623 */ | |
| 1624 static PyObject * | |
| 1625 LineToString(const char *str) | |
| 1626 { | |
| 1627 PyObject *result; | |
| 1594 | 1628 PyInt len = strlen(str); |
| 7 | 1629 char *p; |
| 1630 | |
| 1631 /* Allocate an Python string object, with uninitialised contents. We | |
| 1632 * must do it this way, so that we can modify the string in place | |
| 1633 * later. See the Python source, Objects/stringobject.c for details. | |
| 1634 */ | |
| 1635 result = PyString_FromStringAndSize(NULL, len); | |
| 1636 if (result == NULL) | |
| 1637 return NULL; | |
| 1638 | |
| 1639 p = PyString_AsString(result); | |
| 1640 | |
| 1641 while (*str) | |
| 1642 { | |
| 1643 if (*str == '\n') | |
| 1644 *p = '\0'; | |
| 1645 else | |
| 1646 *p = *str; | |
| 1647 | |
| 1648 ++p; | |
| 1649 ++str; | |
| 1650 } | |
| 1651 | |
| 1652 return result; | |
| 1653 } | |
| 1654 | |
| 1655 | |
| 1656 /* Don't generate a prototype for the next function, it generates an error on | |
| 1657 * newer Python versions. */ | |
| 1658 #if PYTHON_API_VERSION < 1007 /* Python 1.4 */ && !defined(PROTO) | |
| 1659 | |
| 1660 char * | |
| 1661 Py_GetProgramName(void) | |
| 1662 { | |
| 1663 return "vim"; | |
| 1664 } | |
| 1665 #endif /* Python 1.4 */ | |
|
2399
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Move some common code from if_python.c and if_python3.c to if_py_both.h.
Bram Moolenaar <bram@vim.org>
parents:
2384
diff
changeset
|
1666 |
|
76f0c4918f5c
Move some common code from if_python.c and if_python3.c to if_py_both.h.
Bram Moolenaar <bram@vim.org>
parents:
2384
diff
changeset
|
1667 static void |
|
76f0c4918f5c
Move some common code from if_python.c and if_python3.c to if_py_both.h.
Bram Moolenaar <bram@vim.org>
parents:
2384
diff
changeset
|
1668 init_structs(void) |
|
76f0c4918f5c
Move some common code from if_python.c and if_python3.c to if_py_both.h.
Bram Moolenaar <bram@vim.org>
parents:
2384
diff
changeset
|
1669 { |
|
76f0c4918f5c
Move some common code from if_python.c and if_python3.c to if_py_both.h.
Bram Moolenaar <bram@vim.org>
parents:
2384
diff
changeset
|
1670 vim_memset(&OutputType, 0, sizeof(OutputType)); |
|
76f0c4918f5c
Move some common code from if_python.c and if_python3.c to if_py_both.h.
Bram Moolenaar <bram@vim.org>
parents:
2384
diff
changeset
|
1671 OutputType.tp_name = "message"; |
|
76f0c4918f5c
Move some common code from if_python.c and if_python3.c to if_py_both.h.
Bram Moolenaar <bram@vim.org>
parents:
2384
diff
changeset
|
1672 OutputType.tp_basicsize = sizeof(OutputObject); |
|
76f0c4918f5c
Move some common code from if_python.c and if_python3.c to if_py_both.h.
Bram Moolenaar <bram@vim.org>
parents:
2384
diff
changeset
|
1673 OutputType.tp_getattr = OutputGetattr; |
|
76f0c4918f5c
Move some common code from if_python.c and if_python3.c to if_py_both.h.
Bram Moolenaar <bram@vim.org>
parents:
2384
diff
changeset
|
1674 OutputType.tp_setattr = OutputSetattr; |
|
2447
84d353762845
Move many more common Python items to if_py_both.c.
Bram Moolenaar <bram@vim.org>
parents:
2399
diff
changeset
|
1675 |
|
84d353762845
Move many more common Python items to if_py_both.c.
Bram Moolenaar <bram@vim.org>
parents:
2399
diff
changeset
|
1676 vim_memset(&RangeType, 0, sizeof(RangeType)); |
|
84d353762845
Move many more common Python items to if_py_both.c.
Bram Moolenaar <bram@vim.org>
parents:
2399
diff
changeset
|
1677 RangeType.tp_name = "range"; |
|
84d353762845
Move many more common Python items to if_py_both.c.
Bram Moolenaar <bram@vim.org>
parents:
2399
diff
changeset
|
1678 RangeType.tp_basicsize = sizeof(RangeObject); |
|
84d353762845
Move many more common Python items to if_py_both.c.
Bram Moolenaar <bram@vim.org>
parents:
2399
diff
changeset
|
1679 RangeType.tp_dealloc = RangeDestructor; |
|
84d353762845
Move many more common Python items to if_py_both.c.
Bram Moolenaar <bram@vim.org>
parents:
2399
diff
changeset
|
1680 RangeType.tp_getattr = RangeGetattr; |
|
84d353762845
Move many more common Python items to if_py_both.c.
Bram Moolenaar <bram@vim.org>
parents:
2399
diff
changeset
|
1681 RangeType.tp_repr = RangeRepr; |
|
84d353762845
Move many more common Python items to if_py_both.c.
Bram Moolenaar <bram@vim.org>
parents:
2399
diff
changeset
|
1682 RangeType.tp_as_sequence = &RangeAsSeq; |
|
2399
76f0c4918f5c
Move some common code from if_python.c and if_python3.c to if_py_both.h.
Bram Moolenaar <bram@vim.org>
parents:
2384
diff
changeset
|
1683 } |