| /* vi:set ts=8 sts=4 sw=4: |
| * |
| * VIM - Vi IMproved by Bram Moolenaar |
| * |
| * Do ":help uganda" in Vim to read copying and usage conditions. |
| * Do ":help credits" in Vim to see a list of people who contributed. |
| * See README.txt for an overview of the Vim source code. |
| */ |
| /* |
| * Python extensions by Paul Moore. |
| * Changes for Unix by David Leonard. |
| * |
| * This consists of four parts: |
| * 1. Python interpreter main program |
| * 2. Python output stream: writes output via [e]msg(). |
| * 3. Implementation of the Vim module for Python |
| * 4. Utility functions for handling the interface between Vim and Python. |
| */ |
| |
| #include "vim.h" |
| |
| #include <limits.h> |
| |
| /* Python.h defines _POSIX_THREADS itself (if needed) */ |
| #ifdef _POSIX_THREADS |
| # undef _POSIX_THREADS |
| #endif |
| |
| #if defined(_WIN32) && defined(HAVE_FCNTL_H) |
| # undef HAVE_FCNTL_H |
| #endif |
| |
| #ifdef _DEBUG |
| # undef _DEBUG |
| #endif |
| |
| #ifdef HAVE_STDARG_H |
| # undef HAVE_STDARG_H /* Python's config.h defines it as well. */ |
| #endif |
| #ifdef _POSIX_C_SOURCE |
| # undef _POSIX_C_SOURCE /* pyconfig.h defines it as well. */ |
| #endif |
| #ifdef _XOPEN_SOURCE |
| # undef _XOPEN_SOURCE /* pyconfig.h defines it as well. */ |
| #endif |
| |
| #define PY_SSIZE_T_CLEAN |
| |
| #include <Python.h> |
| #if defined(MACOS) && !defined(MACOS_X_UNIX) |
| # include "macglue.h" |
| # include <CodeFragments.h> |
| #endif |
| #undef main /* Defined in python.h - aargh */ |
| #undef HAVE_FCNTL_H /* Clash with os_win32.h */ |
| |
| static void init_structs(void); |
| |
| /* No-op conversion functions, use with care! */ |
| #define PyString_AsBytes(obj) (obj) |
| #define PyString_FreeBytes(obj) |
| |
| #if !defined(FEAT_PYTHON) && defined(PROTO) |
| /* Use this to be able to generate prototypes without python being used. */ |
| # define PyObject Py_ssize_t |
| # define PyThreadState Py_ssize_t |
| # define PyTypeObject Py_ssize_t |
| struct PyMethodDef { Py_ssize_t a; }; |
| # define PySequenceMethods Py_ssize_t |
| #endif |
| |
| #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02050000 |
| # define PyInt Py_ssize_t |
| # define PyInquiry lenfunc |
| # define PyIntArgFunc ssizeargfunc |
| # define PyIntIntArgFunc ssizessizeargfunc |
| # define PyIntObjArgProc ssizeobjargproc |
| # define PyIntIntObjArgProc ssizessizeobjargproc |
| # define Py_ssize_t_fmt "n" |
| #else |
| # define PyInt int |
| # define PyInquiry inquiry |
| # define PyIntArgFunc intargfunc |
| # define PyIntIntArgFunc intintargfunc |
| # define PyIntObjArgProc intobjargproc |
| # define PyIntIntObjArgProc intintobjargproc |
| # define Py_ssize_t_fmt "i" |
| #endif |
| |
| /* Parser flags */ |
| #define single_input 256 |
| #define file_input 257 |
| #define eval_input 258 |
| |
| #if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x020300F0 |
| /* Python 2.3: can invoke ":python" recursively. */ |
| # define PY_CAN_RECURSE |
| #endif |
| |
| # if defined(DYNAMIC_PYTHON) || defined(PROTO) |
| # ifndef DYNAMIC_PYTHON |
| # define HINSTANCE long_u /* for generating prototypes */ |
| # endif |
| |
| # ifndef WIN3264 |
| # include <dlfcn.h> |
| # define FARPROC void* |
| # define HINSTANCE void* |
| # if defined(PY_NO_RTLD_GLOBAL) && defined(PY3_NO_RTLD_GLOBAL) |
| # define load_dll(n) dlopen((n), RTLD_LAZY) |
| # else |
| # define load_dll(n) dlopen((n), RTLD_LAZY|RTLD_GLOBAL) |
| # endif |
| # define close_dll dlclose |
| # define symbol_from_dll dlsym |
| # else |
| # define load_dll vimLoadLib |
| # define close_dll FreeLibrary |
| # define symbol_from_dll GetProcAddress |
| # endif |
| |
| /* This makes if_python.c compile without warnings against Python 2.5 |
| * on Win32 and Win64. */ |
| # undef PyRun_SimpleString |
| # undef PyArg_Parse |
| # undef PyArg_ParseTuple |
| # undef Py_BuildValue |
| # undef Py_InitModule4 |
| # undef Py_InitModule4_64 |
| |
| /* |
| * Wrapper defines |
| */ |
| # define PyArg_Parse dll_PyArg_Parse |
| # define PyArg_ParseTuple dll_PyArg_ParseTuple |
| # define PyMem_Free dll_PyMem_Free |
| # define PyDict_SetItemString dll_PyDict_SetItemString |
| # define PyErr_BadArgument dll_PyErr_BadArgument |
| # define PyErr_Clear dll_PyErr_Clear |
| # define PyErr_NoMemory dll_PyErr_NoMemory |
| # define PyErr_Occurred dll_PyErr_Occurred |
| # define PyErr_SetNone dll_PyErr_SetNone |
| # define PyErr_SetString dll_PyErr_SetString |
| # define PyEval_InitThreads dll_PyEval_InitThreads |
| # define PyEval_RestoreThread dll_PyEval_RestoreThread |
| # define PyEval_SaveThread dll_PyEval_SaveThread |
| # ifdef PY_CAN_RECURSE |
| # define PyGILState_Ensure dll_PyGILState_Ensure |
| # define PyGILState_Release dll_PyGILState_Release |
| # endif |
| # define PyInt_AsLong dll_PyInt_AsLong |
| # define PyInt_FromLong dll_PyInt_FromLong |
| # define PyInt_Type (*dll_PyInt_Type) |
| # define PyList_GetItem dll_PyList_GetItem |
| # define PyList_Append dll_PyList_Append |
| # define PyList_New dll_PyList_New |
| # define PyList_SetItem dll_PyList_SetItem |
| # define PyList_Size dll_PyList_Size |
| # define PyList_Type (*dll_PyList_Type) |
| # define PyImport_ImportModule dll_PyImport_ImportModule |
| # define PyDict_New dll_PyDict_New |
| # define PyDict_GetItemString dll_PyDict_GetItemString |
| # define PyModule_GetDict dll_PyModule_GetDict |
| # define PyRun_SimpleString dll_PyRun_SimpleString |
| # define PyString_AsString dll_PyString_AsString |
| # define PyString_FromString dll_PyString_FromString |
| # define PyString_FromStringAndSize dll_PyString_FromStringAndSize |
| # define PyString_Size dll_PyString_Size |
| # define PyString_Type (*dll_PyString_Type) |
| # define PySys_SetObject dll_PySys_SetObject |
| # define PySys_SetArgv dll_PySys_SetArgv |
| # define PyType_Type (*dll_PyType_Type) |
| # define PyType_Ready (*dll_PyType_Ready) |
| # define Py_BuildValue dll_Py_BuildValue |
| # define Py_FindMethod dll_Py_FindMethod |
| # define Py_InitModule4 dll_Py_InitModule4 |
| # define Py_SetPythonHome dll_Py_SetPythonHome |
| # define Py_Initialize dll_Py_Initialize |
| # define Py_Finalize dll_Py_Finalize |
| # define Py_IsInitialized dll_Py_IsInitialized |
| # define _PyObject_New dll__PyObject_New |
| # define _Py_NoneStruct (*dll__Py_NoneStruct) |
| # define PyObject_Init dll__PyObject_Init |
| # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 |
| # define PyType_IsSubtype dll_PyType_IsSubtype |
| # endif |
| # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 |
| # define PyObject_Malloc dll_PyObject_Malloc |
| # define PyObject_Free dll_PyObject_Free |
| # endif |
| |
| /* |
| * Pointers for dynamic link |
| */ |
| static int(*dll_PyArg_Parse)(PyObject *, char *, ...); |
| static int(*dll_PyArg_ParseTuple)(PyObject *, char *, ...); |
| static int(*dll_PyMem_Free)(void *); |
| static int(*dll_PyDict_SetItemString)(PyObject *dp, char *key, PyObject *item); |
| static int(*dll_PyErr_BadArgument)(void); |
| static void(*dll_PyErr_Clear)(void); |
| static PyObject*(*dll_PyErr_NoMemory)(void); |
| static PyObject*(*dll_PyErr_Occurred)(void); |
| static void(*dll_PyErr_SetNone)(PyObject *); |
| static void(*dll_PyErr_SetString)(PyObject *, const char *); |
| static void(*dll_PyEval_InitThreads)(void); |
| static void(*dll_PyEval_RestoreThread)(PyThreadState *); |
| static PyThreadState*(*dll_PyEval_SaveThread)(void); |
| # ifdef PY_CAN_RECURSE |
| static PyGILState_STATE (*dll_PyGILState_Ensure)(void); |
| static void (*dll_PyGILState_Release)(PyGILState_STATE); |
| #endif |
| static long(*dll_PyInt_AsLong)(PyObject *); |
| static PyObject*(*dll_PyInt_FromLong)(long); |
| static PyTypeObject* dll_PyInt_Type; |
| static PyObject*(*dll_PyList_GetItem)(PyObject *, PyInt); |
| static PyObject*(*dll_PyList_Append)(PyObject *, PyObject *); |
| static PyObject*(*dll_PyList_New)(PyInt size); |
| static int(*dll_PyList_SetItem)(PyObject *, PyInt, PyObject *); |
| static PyInt(*dll_PyList_Size)(PyObject *); |
| static PyTypeObject* dll_PyList_Type; |
| static PyObject*(*dll_PyImport_ImportModule)(const char *); |
| static PyObject*(*dll_PyDict_New)(void); |
| static PyObject*(*dll_PyDict_GetItemString)(PyObject *, const char *); |
| static PyObject*(*dll_PyModule_GetDict)(PyObject *); |
| static int(*dll_PyRun_SimpleString)(char *); |
| static char*(*dll_PyString_AsString)(PyObject *); |
| static PyObject*(*dll_PyString_FromString)(const char *); |
| static PyObject*(*dll_PyString_FromStringAndSize)(const char *, PyInt); |
| static PyInt(*dll_PyString_Size)(PyObject *); |
| static PyTypeObject* dll_PyString_Type; |
| static int(*dll_PySys_SetObject)(char *, PyObject *); |
| static int(*dll_PySys_SetArgv)(int, char **); |
| static PyTypeObject* dll_PyType_Type; |
| static int (*dll_PyType_Ready)(PyTypeObject *type); |
| static PyObject*(*dll_Py_BuildValue)(char *, ...); |
| static PyObject*(*dll_Py_FindMethod)(struct PyMethodDef[], PyObject *, char *); |
| static PyObject*(*dll_Py_InitModule4)(char *, struct PyMethodDef *, char *, PyObject *, int); |
| static void(*dll_Py_SetPythonHome)(char *home); |
| static void(*dll_Py_Initialize)(void); |
| static void(*dll_Py_Finalize)(void); |
| static int(*dll_Py_IsInitialized)(void); |
| static PyObject*(*dll__PyObject_New)(PyTypeObject *, PyObject *); |
| static PyObject*(*dll__PyObject_Init)(PyObject *, PyTypeObject *); |
| static PyObject* dll__Py_NoneStruct; |
| # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 |
| static int (*dll_PyType_IsSubtype)(PyTypeObject *, PyTypeObject *); |
| # endif |
| # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 |
| static void* (*dll_PyObject_Malloc)(size_t); |
| static void (*dll_PyObject_Free)(void*); |
| # endif |
| |
| static HINSTANCE hinstPython = 0; /* Instance of python.dll */ |
| |
| /* Imported exception objects */ |
| static PyObject *imp_PyExc_AttributeError; |
| static PyObject *imp_PyExc_IndexError; |
| static PyObject *imp_PyExc_KeyboardInterrupt; |
| static PyObject *imp_PyExc_TypeError; |
| static PyObject *imp_PyExc_ValueError; |
| |
| # define PyExc_AttributeError imp_PyExc_AttributeError |
| # define PyExc_IndexError imp_PyExc_IndexError |
| # define PyExc_KeyboardInterrupt imp_PyExc_KeyboardInterrupt |
| # define PyExc_TypeError imp_PyExc_TypeError |
| # define PyExc_ValueError imp_PyExc_ValueError |
| |
| /* |
| * Table of name to function pointer of python. |
| */ |
| # define PYTHON_PROC FARPROC |
| static struct |
| { |
| char *name; |
| PYTHON_PROC *ptr; |
| } python_funcname_table[] = |
| { |
| {"PyArg_Parse", (PYTHON_PROC*)&dll_PyArg_Parse}, |
| {"PyArg_ParseTuple", (PYTHON_PROC*)&dll_PyArg_ParseTuple}, |
| {"PyMem_Free", (PYTHON_PROC*)&dll_PyMem_Free}, |
| {"PyDict_SetItemString", (PYTHON_PROC*)&dll_PyDict_SetItemString}, |
| {"PyErr_BadArgument", (PYTHON_PROC*)&dll_PyErr_BadArgument}, |
| {"PyErr_Clear", (PYTHON_PROC*)&dll_PyErr_Clear}, |
| {"PyErr_NoMemory", (PYTHON_PROC*)&dll_PyErr_NoMemory}, |
| {"PyErr_Occurred", (PYTHON_PROC*)&dll_PyErr_Occurred}, |
| {"PyErr_SetNone", (PYTHON_PROC*)&dll_PyErr_SetNone}, |
| {"PyErr_SetString", (PYTHON_PROC*)&dll_PyErr_SetString}, |
| {"PyEval_InitThreads", (PYTHON_PROC*)&dll_PyEval_InitThreads}, |
| {"PyEval_RestoreThread", (PYTHON_PROC*)&dll_PyEval_RestoreThread}, |
| {"PyEval_SaveThread", (PYTHON_PROC*)&dll_PyEval_SaveThread}, |
| # ifdef PY_CAN_RECURSE |
| {"PyGILState_Ensure", (PYTHON_PROC*)&dll_PyGILState_Ensure}, |
| {"PyGILState_Release", (PYTHON_PROC*)&dll_PyGILState_Release}, |
| # endif |
| {"PyInt_AsLong", (PYTHON_PROC*)&dll_PyInt_AsLong}, |
| {"PyInt_FromLong", (PYTHON_PROC*)&dll_PyInt_FromLong}, |
| {"PyInt_Type", (PYTHON_PROC*)&dll_PyInt_Type}, |
| {"PyList_GetItem", (PYTHON_PROC*)&dll_PyList_GetItem}, |
| {"PyList_Append", (PYTHON_PROC*)&dll_PyList_Append}, |
| {"PyList_New", (PYTHON_PROC*)&dll_PyList_New}, |
| {"PyList_SetItem", (PYTHON_PROC*)&dll_PyList_SetItem}, |
| {"PyList_Size", (PYTHON_PROC*)&dll_PyList_Size}, |
| {"PyList_Type", (PYTHON_PROC*)&dll_PyList_Type}, |
| {"PyImport_ImportModule", (PYTHON_PROC*)&dll_PyImport_ImportModule}, |
| {"PyDict_GetItemString", (PYTHON_PROC*)&dll_PyDict_GetItemString}, |
| {"PyDict_New", (PYTHON_PROC*)&dll_PyDict_New}, |
| {"PyModule_GetDict", (PYTHON_PROC*)&dll_PyModule_GetDict}, |
| {"PyRun_SimpleString", (PYTHON_PROC*)&dll_PyRun_SimpleString}, |
| {"PyString_AsString", (PYTHON_PROC*)&dll_PyString_AsString}, |
| {"PyString_FromString", (PYTHON_PROC*)&dll_PyString_FromString}, |
| {"PyString_FromStringAndSize", (PYTHON_PROC*)&dll_PyString_FromStringAndSize}, |
| {"PyString_Size", (PYTHON_PROC*)&dll_PyString_Size}, |
| {"PyString_Type", (PYTHON_PROC*)&dll_PyString_Type}, |
| {"PySys_SetObject", (PYTHON_PROC*)&dll_PySys_SetObject}, |
| {"PySys_SetArgv", (PYTHON_PROC*)&dll_PySys_SetArgv}, |
| {"PyType_Type", (PYTHON_PROC*)&dll_PyType_Type}, |
| {"PyType_Ready", (PYTHON_PROC*)&dll_PyType_Ready}, |
| {"Py_BuildValue", (PYTHON_PROC*)&dll_Py_BuildValue}, |
| {"Py_FindMethod", (PYTHON_PROC*)&dll_Py_FindMethod}, |
| # if (PY_VERSION_HEX >= 0x02050000) && SIZEOF_SIZE_T != SIZEOF_INT |
| {"Py_InitModule4_64", (PYTHON_PROC*)&dll_Py_InitModule4}, |
| # else |
| {"Py_InitModule4", (PYTHON_PROC*)&dll_Py_InitModule4}, |
| # endif |
| {"Py_SetPythonHome", (PYTHON_PROC*)&dll_Py_SetPythonHome}, |
| {"Py_Initialize", (PYTHON_PROC*)&dll_Py_Initialize}, |
| {"Py_Finalize", (PYTHON_PROC*)&dll_Py_Finalize}, |
| {"Py_IsInitialized", (PYTHON_PROC*)&dll_Py_IsInitialized}, |
| {"_PyObject_New", (PYTHON_PROC*)&dll__PyObject_New}, |
| {"PyObject_Init", (PYTHON_PROC*)&dll__PyObject_Init}, |
| {"_Py_NoneStruct", (PYTHON_PROC*)&dll__Py_NoneStruct}, |
| # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02020000 |
| {"PyType_IsSubtype", (PYTHON_PROC*)&dll_PyType_IsSubtype}, |
| # endif |
| # if defined(PY_VERSION_HEX) && PY_VERSION_HEX >= 0x02030000 |
| {"PyObject_Malloc", (PYTHON_PROC*)&dll_PyObject_Malloc}, |
| {"PyObject_Free", (PYTHON_PROC*)&dll_PyObject_Free}, |
| # endif |
| {"", NULL}, |
| }; |
| |
| /* |
| * Free python.dll |
| */ |
| static void |
| end_dynamic_python(void) |
| { |
| if (hinstPython) |
| { |
| close_dll(hinstPython); |
| hinstPython = 0; |
| } |
| } |
| |
| /* |
| * Load library and get all pointers. |
| * Parameter 'libname' provides name of DLL. |
| * Return OK or FAIL. |
| */ |
| static int |
| python_runtime_link_init(char *libname, int verbose) |
| { |
| int i; |
| |
| #if !(defined(PY_NO_RTLD_GLOBAL) && defined(PY3_NO_RTLD_GLOBAL)) && defined(UNIX) && defined(FEAT_PYTHON3) |
| /* Can't have Python and Python3 loaded at the same time. |
| * It cause a crash, because RTLD_GLOBAL is needed for |
| * standard C extension libraries of one or both python versions. */ |
| if (python3_loaded()) |
| { |
| if (verbose) |
| EMSG(_("E836: This Vim cannot execute :python after using :py3")); |
| return FAIL; |
| } |
| #endif |
| |
| if (hinstPython) |
| return OK; |
| hinstPython = load_dll(libname); |
| if (!hinstPython) |
| { |
| if (verbose) |
| EMSG2(_(e_loadlib), libname); |
| return FAIL; |
| } |
| |
| for (i = 0; python_funcname_table[i].ptr; ++i) |
| { |
| if ((*python_funcname_table[i].ptr = symbol_from_dll(hinstPython, |
| python_funcname_table[i].name)) == NULL) |
| { |
| close_dll(hinstPython); |
| hinstPython = 0; |
| if (verbose) |
| EMSG2(_(e_loadfunc), python_funcname_table[i].name); |
| return FAIL; |
| } |
| } |
| return OK; |
| } |
| |
| /* |
| * If python is enabled (there is installed python on Windows system) return |
| * TRUE, else FALSE. |
| */ |
| int |
| python_enabled(int verbose) |
| { |
| return python_runtime_link_init(DYNAMIC_PYTHON_DLL, verbose) == OK; |
| } |
| |
| /* |
| * Load the standard Python exceptions - don't import the symbols from the |
| * DLL, as this can cause errors (importing data symbols is not reliable). |
| */ |
| static void |
| get_exceptions(void) |
| { |
| PyObject *exmod = PyImport_ImportModule("exceptions"); |
| PyObject *exdict = PyModule_GetDict(exmod); |
| imp_PyExc_AttributeError = PyDict_GetItemString(exdict, "AttributeError"); |
| imp_PyExc_IndexError = PyDict_GetItemString(exdict, "IndexError"); |
| imp_PyExc_KeyboardInterrupt = PyDict_GetItemString(exdict, "KeyboardInterrupt"); |
| imp_PyExc_TypeError = PyDict_GetItemString(exdict, "TypeError"); |
| imp_PyExc_ValueError = PyDict_GetItemString(exdict, "ValueError"); |
| Py_XINCREF(imp_PyExc_AttributeError); |
| Py_XINCREF(imp_PyExc_IndexError); |
| Py_XINCREF(imp_PyExc_KeyboardInterrupt); |
| Py_XINCREF(imp_PyExc_TypeError); |
| Py_XINCREF(imp_PyExc_ValueError); |
| Py_XDECREF(exmod); |
| } |
| #endif /* DYNAMIC_PYTHON */ |
| |
| static PyObject *BufferNew (buf_T *); |
| static PyObject *WindowNew(win_T *); |
| static PyObject *LineToString(const char *); |
| |
| static PyTypeObject RangeType; |
| |
| /* |
| * Include the code shared with if_python3.c |
| */ |
| #include "if_py_both.h" |
| |
| |
| /****************************************************** |
| * Internal function prototypes. |
| */ |
| |
| static PyInt RangeStart; |
| static PyInt RangeEnd; |
| |
| static void PythonIO_Flush(void); |
| static int PythonIO_Init(void); |
| static int PythonMod_Init(void); |
| |
| /* Utility functions for the vim/python interface |
| * ---------------------------------------------- |
| */ |
| |
| static int SetBufferLineList(buf_T *, PyInt, PyInt, PyObject *, PyInt *); |
| |
| |
| /****************************************************** |
| * 1. Python interpreter main program. |
| */ |
| |
| static int initialised = 0; |
| |
| #if PYTHON_API_VERSION < 1007 /* Python 1.4 */ |
| typedef PyObject PyThreadState; |
| #endif |
| |
| #ifdef PY_CAN_RECURSE |
| static PyGILState_STATE pygilstate = PyGILState_UNLOCKED; |
| #else |
| static PyThreadState *saved_python_thread = NULL; |
| #endif |
| |
| /* |
| * Suspend a thread of the Python interpreter, other threads are allowed to |
| * run. |
| */ |
| static void |
| Python_SaveThread(void) |
| { |
| #ifdef PY_CAN_RECURSE |
| PyGILState_Release(pygilstate); |
| #else |
| saved_python_thread = PyEval_SaveThread(); |
| #endif |
| } |
| |
| /* |
| * Restore a thread of the Python interpreter, waits for other threads to |
| * block. |
| */ |
| static void |
| Python_RestoreThread(void) |
| { |
| #ifdef PY_CAN_RECURSE |
| pygilstate = PyGILState_Ensure(); |
| #else |
| PyEval_RestoreThread(saved_python_thread); |
| saved_python_thread = NULL; |
| #endif |
| } |
| |
| void |
| python_end() |
| { |
| static int recurse = 0; |
| |
| /* If a crash occurs while doing this, don't try again. */ |
| if (recurse != 0) |
| return; |
| |
| ++recurse; |
| |
| #ifdef DYNAMIC_PYTHON |
| if (hinstPython && Py_IsInitialized()) |
| { |
| Python_RestoreThread(); /* enter python */ |
| Py_Finalize(); |
| } |
| end_dynamic_python(); |
| #else |
| if (Py_IsInitialized()) |
| { |
| Python_RestoreThread(); /* enter python */ |
| Py_Finalize(); |
| } |
| #endif |
| |
| --recurse; |
| } |
| |
| #if (defined(DYNAMIC_PYTHON) && defined(FEAT_PYTHON3)) || defined(PROTO) |
| int |
| python_loaded() |
| { |
| return (hinstPython != 0); |
| } |
| #endif |
| |
| static int |
| Python_Init(void) |
| { |
| if (!initialised) |
| { |
| #ifdef DYNAMIC_PYTHON |
| if (!python_enabled(TRUE)) |
| { |
| EMSG(_("E263: Sorry, this command is disabled, the Python library could not be loaded.")); |
| goto fail; |
| } |
| #endif |
| |
| #ifdef PYTHON_HOME |
| Py_SetPythonHome(PYTHON_HOME); |
| #endif |
| |
| init_structs(); |
| |
| #if !defined(MACOS) || defined(MACOS_X_UNIX) |
| Py_Initialize(); |
| #else |
| PyMac_Initialize(); |
| #endif |
| /* initialise threads */ |
| PyEval_InitThreads(); |
| |
| #ifdef DYNAMIC_PYTHON |
| get_exceptions(); |
| #endif |
| |
| if (PythonIO_Init()) |
| goto fail; |
| |
| if (PythonMod_Init()) |
| goto fail; |
| |
| /* Remove the element from sys.path that was added because of our |
| * argv[0] value in PythonMod_Init(). Previously we used an empty |
| * string, but dependinding on the OS we then get an empty entry or |
| * the current directory in sys.path. */ |
| PyRun_SimpleString("import sys; sys.path = filter(lambda x: x != '/must>not&exist', sys.path)"); |
| |
| /* the first python thread is vim's, release the lock */ |
| Python_SaveThread(); |
| |
| initialised = 1; |
| } |
| |
| return 0; |
| |
| fail: |
| /* We call PythonIO_Flush() here to print any Python errors. |
| * This is OK, as it is possible to call this function even |
| * if PythonIO_Init() has not completed successfully (it will |
| * not do anything in this case). |
| */ |
| PythonIO_Flush(); |
| return -1; |
| } |
| |
| /* |
| * External interface |
| */ |
| static void |
| DoPythonCommand(exarg_T *eap, const char *cmd) |
| { |
| #ifndef PY_CAN_RECURSE |
| static int recursive = 0; |
| #endif |
| #if defined(MACOS) && !defined(MACOS_X_UNIX) |
| GrafPtr oldPort; |
| #endif |
| #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) |
| char *saved_locale; |
| #endif |
| |
| #ifndef PY_CAN_RECURSE |
| if (recursive) |
| { |
| EMSG(_("E659: Cannot invoke Python recursively")); |
| return; |
| } |
| ++recursive; |
| #endif |
| |
| #if defined(MACOS) && !defined(MACOS_X_UNIX) |
| GetPort(&oldPort); |
| /* Check if the Python library is available */ |
| if ((Ptr)PyMac_Initialize == (Ptr)kUnresolvedCFragSymbolAddress) |
| goto theend; |
| #endif |
| if (Python_Init()) |
| goto theend; |
| |
| RangeStart = eap->line1; |
| RangeEnd = eap->line2; |
| Python_Release_Vim(); /* leave vim */ |
| |
| #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) |
| /* Python only works properly when the LC_NUMERIC locale is "C". */ |
| saved_locale = setlocale(LC_NUMERIC, NULL); |
| if (saved_locale == NULL || STRCMP(saved_locale, "C") == 0) |
| saved_locale = NULL; |
| else |
| { |
| /* Need to make a copy, value may change when setting new locale. */ |
| saved_locale = (char *)vim_strsave((char_u *)saved_locale); |
| (void)setlocale(LC_NUMERIC, "C"); |
| } |
| #endif |
| |
| Python_RestoreThread(); /* enter python */ |
| |
| PyRun_SimpleString((char *)(cmd)); |
| |
| Python_SaveThread(); /* leave python */ |
| |
| #if defined(HAVE_LOCALE_H) || defined(X_LOCALE) |
| if (saved_locale != NULL) |
| { |
| (void)setlocale(LC_NUMERIC, saved_locale); |
| vim_free(saved_locale); |
| } |
| #endif |
| |
| Python_Lock_Vim(); /* enter vim */ |
| PythonIO_Flush(); |
| #if defined(MACOS) && !defined(MACOS_X_UNIX) |
| SetPort(oldPort); |
| #endif |
| |
| theend: |
| #ifndef PY_CAN_RECURSE |
| --recursive; |
| #endif |
| return; /* keeps lint happy */ |
| } |
| |
| /* |
| * ":python" |
| */ |
| void |
| ex_python(exarg_T *eap) |
| { |
| char_u *script; |
| |
| script = script_get(eap, eap->arg); |
| if (!eap->skip) |
| { |
| if (script == NULL) |
| DoPythonCommand(eap, (char *)eap->arg); |
| else |
| DoPythonCommand(eap, (char *)script); |
| } |
| vim_free(script); |
| } |
| |
| #define BUFFER_SIZE 1024 |
| |
| /* |
| * ":pyfile" |
| */ |
| void |
| ex_pyfile(exarg_T *eap) |
| { |
| static char buffer[BUFFER_SIZE]; |
| const char *file = (char *)eap->arg; |
| char *p; |
| |
| /* Have to do it like this. PyRun_SimpleFile requires you to pass a |
| * stdio file pointer, but Vim and the Python DLL are compiled with |
| * different options under Windows, meaning that stdio pointers aren't |
| * compatible between the two. Yuk. |
| * |
| * Put the string "execfile('file')" into buffer. But, we need to |
| * escape any backslashes or single quotes in the file name, so that |
| * Python won't mangle the file name. |
| */ |
| strcpy(buffer, "execfile('"); |
| p = buffer + 10; /* size of "execfile('" */ |
| |
| while (*file && p < buffer + (BUFFER_SIZE - 3)) |
| { |
| if (*file == '\\' || *file == '\'') |
| *p++ = '\\'; |
| *p++ = *file++; |
| } |
| |
| /* If we didn't finish the file name, we hit a buffer overflow */ |
| if (*file != '\0') |
| return; |
| |
| /* Put in the terminating "')" and a null */ |
| *p++ = '\''; |
| *p++ = ')'; |
| *p++ = '\0'; |
| |
| /* Execute the file */ |
| DoPythonCommand(eap, buffer); |
| } |
| |
| /****************************************************** |
| * 2. Python output stream: writes output via [e]msg(). |
| */ |
| |
| /* Implementation functions |
| */ |
| |
| static PyObject * |
| OutputGetattr(PyObject *self, char *name) |
| { |
| if (strcmp(name, "softspace") == 0) |
| return PyInt_FromLong(((OutputObject *)(self))->softspace); |
| |
| return Py_FindMethod(OutputMethods, self, name); |
| } |
| |
| static int |
| OutputSetattr(PyObject *self, char *name, PyObject *val) |
| { |
| if (val == NULL) { |
| PyErr_SetString(PyExc_AttributeError, _("can't delete OutputObject attributes")); |
| return -1; |
| } |
| |
| if (strcmp(name, "softspace") == 0) |
| { |
| if (!PyInt_Check(val)) { |
| PyErr_SetString(PyExc_TypeError, _("softspace must be an integer")); |
| return -1; |
| } |
| |
| ((OutputObject *)(self))->softspace = PyInt_AsLong(val); |
| return 0; |
| } |
| |
| PyErr_SetString(PyExc_AttributeError, _("invalid attribute")); |
| return -1; |
| } |
| |
| /***************/ |
| |
| static int |
| PythonIO_Init(void) |
| { |
| /* Fixups... */ |
| PyType_Ready(&OutputType); |
| |
| return PythonIO_Init_io(); |
| } |
| |
| /****************************************************** |
| * 3. Implementation of the Vim module for Python |
| */ |
| |
| /* Window type - Implementation functions |
| * -------------------------------------- |
| */ |
| |
| #define WindowType_Check(obj) ((obj)->ob_type == &WindowType) |
| |
| static void WindowDestructor(PyObject *); |
| static PyObject *WindowGetattr(PyObject *, char *); |
| |
| /* Buffer type - Implementation functions |
| * -------------------------------------- |
| */ |
| |
| #define BufferType_Check(obj) ((obj)->ob_type == &BufferType) |
| |
| static void BufferDestructor(PyObject *); |
| static PyObject *BufferGetattr(PyObject *, char *); |
| static PyObject *BufferRepr(PyObject *); |
| |
| static PyInt BufferLength(PyObject *); |
| static PyObject *BufferItem(PyObject *, PyInt); |
| static PyObject *BufferSlice(PyObject *, PyInt, PyInt); |
| static PyInt BufferAssItem(PyObject *, PyInt, PyObject *); |
| static PyInt BufferAssSlice(PyObject *, PyInt, PyInt, PyObject *); |
| |
| /* Line range type - Implementation functions |
| * -------------------------------------- |
| */ |
| |
| #define RangeType_Check(obj) ((obj)->ob_type == &RangeType) |
| |
| static PyInt RangeAssItem(PyObject *, PyInt, PyObject *); |
| static PyInt RangeAssSlice(PyObject *, PyInt, PyInt, PyObject *); |
| |
| /* Current objects type - Implementation functions |
| * ----------------------------------------------- |
| */ |
| |
| static PyObject *CurrentGetattr(PyObject *, char *); |
| static int CurrentSetattr(PyObject *, char *, PyObject *); |
| |
| static PySequenceMethods BufferAsSeq = { |
| (PyInquiry) BufferLength, /* sq_length, len(x) */ |
| (binaryfunc) 0, /* BufferConcat, */ /* sq_concat, x+y */ |
| (PyIntArgFunc) 0, /* BufferRepeat, */ /* sq_repeat, x*n */ |
| (PyIntArgFunc) BufferItem, /* sq_item, x[i] */ |
| (PyIntIntArgFunc) BufferSlice, /* sq_slice, x[i:j] */ |
| (PyIntObjArgProc) BufferAssItem, /* sq_ass_item, x[i]=v */ |
| (PyIntIntObjArgProc) BufferAssSlice, /* sq_ass_slice, x[i:j]=v */ |
| }; |
| |
| static PyTypeObject BufferType = { |
| PyObject_HEAD_INIT(0) |
| 0, |
| "buffer", |
| sizeof(BufferObject), |
| 0, |
| |
| (destructor) BufferDestructor, /* tp_dealloc, refcount==0 */ |
| (printfunc) 0, /* tp_print, print x */ |
| (getattrfunc) BufferGetattr, /* tp_getattr, x.attr */ |
| (setattrfunc) 0, /* tp_setattr, x.attr=v */ |
| (cmpfunc) 0, /* tp_compare, x>y */ |
| (reprfunc) BufferRepr, /* tp_repr, `x`, print x */ |
| |
| 0, /* as number */ |
| &BufferAsSeq, /* as sequence */ |
| 0, /* as mapping */ |
| |
| (hashfunc) 0, /* tp_hash, dict(x) */ |
| (ternaryfunc) 0, /* tp_call, x() */ |
| (reprfunc) 0, /* tp_str, str(x) */ |
| }; |
| |
| /* Buffer object - Implementation |
| */ |
| |
| static PyObject * |
| BufferNew(buf_T *buf) |
| { |
| /* We need to handle deletion of buffers underneath us. |
| * If we add a "b_python_ref" field to the buf_T structure, |
| * then we can get at it in buf_freeall() in vim. We then |
| * need to create only ONE Python object per buffer - if |
| * we try to create a second, just INCREF the existing one |
| * and return it. The (single) Python object referring to |
| * the buffer is stored in "b_python_ref". |
| * Question: what to do on a buf_freeall(). We'll probably |
| * have to either delete the Python object (DECREF it to |
| * zero - a bad idea, as it leaves dangling refs!) or |
| * set the buf_T * value to an invalid value (-1?), which |
| * means we need checks in all access functions... Bah. |
| */ |
| |
| BufferObject *self; |
| |
| if (buf->b_python_ref != NULL) |
| { |
| self = buf->b_python_ref; |
| Py_INCREF(self); |
| } |
| else |
| { |
| self = PyObject_NEW(BufferObject, &BufferType); |
| if (self == NULL) |
| return NULL; |
| self->buf = buf; |
| buf->b_python_ref = self; |
| } |
| |
| return (PyObject *)(self); |
| } |
| |
| static void |
| BufferDestructor(PyObject *self) |
| { |
| BufferObject *this = (BufferObject *)(self); |
| |
| if (this->buf && this->buf != INVALID_BUFFER_VALUE) |
| this->buf->b_python_ref = NULL; |
| |
| Py_DECREF(self); |
| } |
| |
| static PyObject * |
| BufferGetattr(PyObject *self, char *name) |
| { |
| BufferObject *this = (BufferObject *)(self); |
| |
| if (CheckBuffer(this)) |
| return NULL; |
| |
| if (strcmp(name, "name") == 0) |
| return Py_BuildValue("s", this->buf->b_ffname); |
| else if (strcmp(name, "number") == 0) |
| return Py_BuildValue(Py_ssize_t_fmt, this->buf->b_fnum); |
| else if (strcmp(name,"__members__") == 0) |
| return Py_BuildValue("[ss]", "name", "number"); |
| else |
| return Py_FindMethod(BufferMethods, self, name); |
| } |
| |
| static PyObject * |
| BufferRepr(PyObject *self) |
| { |
| static char repr[100]; |
| BufferObject *this = (BufferObject *)(self); |
| |
| if (this->buf == INVALID_BUFFER_VALUE) |
| { |
| vim_snprintf(repr, 100, _("<buffer object (deleted) at %p>"), (self)); |
| return PyString_FromString(repr); |
| } |
| else |
| { |
| char *name = (char *)this->buf->b_fname; |
| PyInt len; |
| |
| if (name == NULL) |
| name = ""; |
| len = strlen(name); |
| |
| if (len > 35) |
| name = name + (35 - len); |
| |
| vim_snprintf(repr, 100, "<buffer %s%s>", len > 35 ? "..." : "", name); |
| |
| return PyString_FromString(repr); |
| } |
| } |
| |
| /******************/ |
| |
| static PyInt |
| BufferLength(PyObject *self) |
| { |
| /* HOW DO WE SIGNAL AN ERROR FROM THIS FUNCTION? */ |
| if (CheckBuffer((BufferObject *)(self))) |
| return -1; /* ??? */ |
| |
| return (((BufferObject *)(self))->buf->b_ml.ml_line_count); |
| } |
| |
| static PyObject * |
| BufferItem(PyObject *self, PyInt n) |
| { |
| return RBItem((BufferObject *)(self), n, 1, |
| (int)((BufferObject *)(self))->buf->b_ml.ml_line_count); |
| } |
| |
| static PyObject * |
| BufferSlice(PyObject *self, PyInt lo, PyInt hi) |
| { |
| return RBSlice((BufferObject *)(self), lo, hi, 1, |
| (int)((BufferObject *)(self))->buf->b_ml.ml_line_count); |
| } |
| |
| static PyInt |
| BufferAssItem(PyObject *self, PyInt n, PyObject *val) |
| { |
| return RBAsItem((BufferObject *)(self), n, val, 1, |
| (PyInt)((BufferObject *)(self))->buf->b_ml.ml_line_count, |
| NULL); |
| } |
| |
| static PyInt |
| BufferAssSlice(PyObject *self, PyInt lo, PyInt hi, PyObject *val) |
| { |
| return RBAsSlice((BufferObject *)(self), lo, hi, val, 1, |
| (PyInt)((BufferObject *)(self))->buf->b_ml.ml_line_count, |
| NULL); |
| } |
| |
| static PySequenceMethods RangeAsSeq = { |
| (PyInquiry) RangeLength, /* sq_length, len(x) */ |
| (binaryfunc) 0, /* RangeConcat, */ /* sq_concat, x+y */ |
| (PyIntArgFunc) 0, /* RangeRepeat, */ /* sq_repeat, x*n */ |
| (PyIntArgFunc) RangeItem, /* sq_item, x[i] */ |
| (PyIntIntArgFunc) RangeSlice, /* sq_slice, x[i:j] */ |
| (PyIntObjArgProc) RangeAssItem, /* sq_ass_item, x[i]=v */ |
| (PyIntIntObjArgProc) RangeAssSlice, /* sq_ass_slice, x[i:j]=v */ |
| }; |
| |
| /* Line range object - Implementation |
| */ |
| |
| static void |
| RangeDestructor(PyObject *self) |
| { |
| Py_DECREF(((RangeObject *)(self))->buf); |
| Py_DECREF(self); |
| } |
| |
| static PyObject * |
| RangeGetattr(PyObject *self, char *name) |
| { |
| if (strcmp(name, "start") == 0) |
| return Py_BuildValue(Py_ssize_t_fmt, ((RangeObject *)(self))->start - 1); |
| else if (strcmp(name, "end") == 0) |
| return Py_BuildValue(Py_ssize_t_fmt, ((RangeObject *)(self))->end - 1); |
| else |
| return Py_FindMethod(RangeMethods, self, name); |
| } |
| |
| /****************/ |
| |
| static PyInt |
| RangeAssItem(PyObject *self, PyInt n, PyObject *val) |
| { |
| return RBAsItem(((RangeObject *)(self))->buf, n, val, |
| ((RangeObject *)(self))->start, |
| ((RangeObject *)(self))->end, |
| &((RangeObject *)(self))->end); |
| } |
| |
| static PyInt |
| RangeAssSlice(PyObject *self, PyInt lo, PyInt hi, PyObject *val) |
| { |
| return RBAsSlice(((RangeObject *)(self))->buf, lo, hi, val, |
| ((RangeObject *)(self))->start, |
| ((RangeObject *)(self))->end, |
| &((RangeObject *)(self))->end); |
| } |
| |
| /* Buffer list object - Definitions |
| */ |
| |
| typedef struct |
| { |
| PyObject_HEAD |
| } BufListObject; |
| |
| static PySequenceMethods BufListAsSeq = { |
| (PyInquiry) BufListLength, /* sq_length, len(x) */ |
| (binaryfunc) 0, /* sq_concat, x+y */ |
| (PyIntArgFunc) 0, /* sq_repeat, x*n */ |
| (PyIntArgFunc) BufListItem, /* sq_item, x[i] */ |
| (PyIntIntArgFunc) 0, /* sq_slice, x[i:j] */ |
| (PyIntObjArgProc) 0, /* sq_ass_item, x[i]=v */ |
| (PyIntIntObjArgProc) 0, /* sq_ass_slice, x[i:j]=v */ |
| }; |
| |
| static PyTypeObject BufListType = { |
| PyObject_HEAD_INIT(0) |
| 0, |
| "buffer list", |
| sizeof(BufListObject), |
| 0, |
| |
| (destructor) 0, /* tp_dealloc, refcount==0 */ |
| (printfunc) 0, /* tp_print, print x */ |
| (getattrfunc) 0, /* tp_getattr, x.attr */ |
| (setattrfunc) 0, /* tp_setattr, x.attr=v */ |
| (cmpfunc) 0, /* tp_compare, x>y */ |
| (reprfunc) 0, /* tp_repr, `x`, print x */ |
| |
| 0, /* as number */ |
| &BufListAsSeq, /* as sequence */ |
| 0, /* as mapping */ |
| |
| (hashfunc) 0, /* tp_hash, dict(x) */ |
| (ternaryfunc) 0, /* tp_call, x() */ |
| (reprfunc) 0, /* tp_str, str(x) */ |
| }; |
| |
| /* Window object - Definitions |
| */ |
| |
| static struct PyMethodDef WindowMethods[] = { |
| /* name, function, calling, documentation */ |
| { NULL, NULL, 0, NULL } |
| }; |
| |
| static PyTypeObject WindowType = { |
| PyObject_HEAD_INIT(0) |
| 0, |
| "window", |
| sizeof(WindowObject), |
| 0, |
| |
| (destructor) WindowDestructor, /* tp_dealloc, refcount==0 */ |
| (printfunc) 0, /* tp_print, print x */ |
| (getattrfunc) WindowGetattr, /* tp_getattr, x.attr */ |
| (setattrfunc) WindowSetattr, /* tp_setattr, x.attr=v */ |
| (cmpfunc) 0, /* tp_compare, x>y */ |
| (reprfunc) WindowRepr, /* tp_repr, `x`, print x */ |
| |
| 0, /* as number */ |
| 0, /* as sequence */ |
| 0, /* as mapping */ |
| |
| (hashfunc) 0, /* tp_hash, dict(x) */ |
| (ternaryfunc) 0, /* tp_call, x() */ |
| (reprfunc) 0, /* tp_str, str(x) */ |
| }; |
| |
| /* Window object - Implementation |
| */ |
| |
| static PyObject * |
| WindowNew(win_T *win) |
| { |
| /* We need to handle deletion of windows underneath us. |
| * If we add a "w_python_ref" field to the win_T structure, |
| * then we can get at it in win_free() in vim. We then |
| * need to create only ONE Python object per window - if |
| * we try to create a second, just INCREF the existing one |
| * and return it. The (single) Python object referring to |
| * the window is stored in "w_python_ref". |
| * On a win_free() we set the Python object's win_T* field |
| * to an invalid value. We trap all uses of a window |
| * object, and reject them if the win_T* field is invalid. |
| */ |
| |
| WindowObject *self; |
| |
| if (win->w_python_ref) |
| { |
| self = win->w_python_ref; |
| Py_INCREF(self); |
| } |
| else |
| { |
| self = PyObject_NEW(WindowObject, &WindowType); |
| if (self == NULL) |
| return NULL; |
| self->win = win; |
| win->w_python_ref = self; |
| } |
| |
| return (PyObject *)(self); |
| } |
| |
| static void |
| WindowDestructor(PyObject *self) |
| { |
| WindowObject *this = (WindowObject *)(self); |
| |
| if (this->win && this->win != INVALID_WINDOW_VALUE) |
| this->win->w_python_ref = NULL; |
| |
| Py_DECREF(self); |
| } |
| |
| static PyObject * |
| WindowGetattr(PyObject *self, char *name) |
| { |
| WindowObject *this = (WindowObject *)(self); |
| |
| if (CheckWindow(this)) |
| return NULL; |
| |
| if (strcmp(name, "buffer") == 0) |
| return (PyObject *)BufferNew(this->win->w_buffer); |
| else if (strcmp(name, "cursor") == 0) |
| { |
| pos_T *pos = &this->win->w_cursor; |
| |
| return Py_BuildValue("(ll)", (long)(pos->lnum), (long)(pos->col)); |
| } |
| else if (strcmp(name, "height") == 0) |
| return Py_BuildValue("l", (long)(this->win->w_height)); |
| #ifdef FEAT_VERTSPLIT |
| else if (strcmp(name, "width") == 0) |
| return Py_BuildValue("l", (long)(W_WIDTH(this->win))); |
| #endif |
| else if (strcmp(name,"__members__") == 0) |
| return Py_BuildValue("[sss]", "buffer", "cursor", "height"); |
| else |
| return Py_FindMethod(WindowMethods, self, name); |
| } |
| |
| /* Window list object - Definitions |
| */ |
| |
| typedef struct |
| { |
| PyObject_HEAD |
| } |
| WinListObject; |
| |
| static PySequenceMethods WinListAsSeq = { |
| (PyInquiry) WinListLength, /* sq_length, len(x) */ |
| (binaryfunc) 0, /* sq_concat, x+y */ |
| (PyIntArgFunc) 0, /* sq_repeat, x*n */ |
| (PyIntArgFunc) WinListItem, /* sq_item, x[i] */ |
| (PyIntIntArgFunc) 0, /* sq_slice, x[i:j] */ |
| (PyIntObjArgProc) 0, /* sq_ass_item, x[i]=v */ |
| (PyIntIntObjArgProc) 0, /* sq_ass_slice, x[i:j]=v */ |
| }; |
| |
| static PyTypeObject WinListType = { |
| PyObject_HEAD_INIT(0) |
| 0, |
| "window list", |
| sizeof(WinListObject), |
| 0, |
| |
| (destructor) 0, /* tp_dealloc, refcount==0 */ |
| (printfunc) 0, /* tp_print, print x */ |
| (getattrfunc) 0, /* tp_getattr, x.attr */ |
| (setattrfunc) 0, /* tp_setattr, x.attr=v */ |
| (cmpfunc) 0, /* tp_compare, x>y */ |
| (reprfunc) 0, /* tp_repr, `x`, print x */ |
| |
| 0, /* as number */ |
| &WinListAsSeq, /* as sequence */ |
| 0, /* as mapping */ |
| |
| (hashfunc) 0, /* tp_hash, dict(x) */ |
| (ternaryfunc) 0, /* tp_call, x() */ |
| (reprfunc) 0, /* tp_str, str(x) */ |
| }; |
| |
| /* Current items object - Definitions |
| */ |
| |
| typedef struct |
| { |
| PyObject_HEAD |
| } CurrentObject; |
| |
| static PyTypeObject CurrentType = { |
| PyObject_HEAD_INIT(0) |
| 0, |
| "current data", |
| sizeof(CurrentObject), |
| 0, |
| |
| (destructor) 0, /* tp_dealloc, refcount==0 */ |
| (printfunc) 0, /* tp_print, print x */ |
| (getattrfunc) CurrentGetattr, /* tp_getattr, x.attr */ |
| (setattrfunc) CurrentSetattr, /* tp_setattr, x.attr=v */ |
| (cmpfunc) 0, /* tp_compare, x>y */ |
| (reprfunc) 0, /* tp_repr, `x`, print x */ |
| |
| 0, /* as number */ |
| 0, /* as sequence */ |
| 0, /* as mapping */ |
| |
| (hashfunc) 0, /* tp_hash, dict(x) */ |
| (ternaryfunc) 0, /* tp_call, x() */ |
| (reprfunc) 0, /* tp_str, str(x) */ |
| }; |
| |
| /* Current items object - Implementation |
| */ |
| static PyObject * |
| CurrentGetattr(PyObject *self UNUSED, char *name) |
| { |
| if (strcmp(name, "buffer") == 0) |
| return (PyObject *)BufferNew(curbuf); |
| else if (strcmp(name, "window") == 0) |
| return (PyObject *)WindowNew(curwin); |
| else if (strcmp(name, "line") == 0) |
| return GetBufferLine(curbuf, (PyInt)curwin->w_cursor.lnum); |
| else if (strcmp(name, "range") == 0) |
| return RangeNew(curbuf, RangeStart, RangeEnd); |
| else if (strcmp(name,"__members__") == 0) |
| return Py_BuildValue("[ssss]", "buffer", "window", "line", "range"); |
| else |
| { |
| PyErr_SetString(PyExc_AttributeError, name); |
| return NULL; |
| } |
| } |
| |
| static int |
| CurrentSetattr(PyObject *self UNUSED, char *name, PyObject *value) |
| { |
| if (strcmp(name, "line") == 0) |
| { |
| if (SetBufferLine(curbuf, (PyInt)curwin->w_cursor.lnum, value, NULL) == FAIL) |
| return -1; |
| |
| return 0; |
| } |
| else |
| { |
| PyErr_SetString(PyExc_AttributeError, name); |
| return -1; |
| } |
| } |
| |
| /* External interface |
| */ |
| |
| void |
| python_buffer_free(buf_T *buf) |
| { |
| if (buf->b_python_ref != NULL) |
| { |
| BufferObject *bp = buf->b_python_ref; |
| bp->buf = INVALID_BUFFER_VALUE; |
| buf->b_python_ref = NULL; |
| } |
| } |
| |
| #if defined(FEAT_WINDOWS) || defined(PROTO) |
| void |
| python_window_free(win_T *win) |
| { |
| if (win->w_python_ref != NULL) |
| { |
| WindowObject *wp = win->w_python_ref; |
| wp->win = INVALID_WINDOW_VALUE; |
| win->w_python_ref = NULL; |
| } |
| } |
| #endif |
| |
| static BufListObject TheBufferList = |
| { |
| PyObject_HEAD_INIT(&BufListType) |
| }; |
| |
| static WinListObject TheWindowList = |
| { |
| PyObject_HEAD_INIT(&WinListType) |
| }; |
| |
| static CurrentObject TheCurrent = |
| { |
| PyObject_HEAD_INIT(&CurrentType) |
| }; |
| |
| static int |
| PythonMod_Init(void) |
| { |
| PyObject *mod; |
| PyObject *dict; |
| /* The special value is removed from sys.path in Python_Init(). */ |
| static char *(argv[2]) = {"/must>not&exist/foo", NULL}; |
| |
| /* Fixups... */ |
| PyType_Ready(&BufferType); |
| PyType_Ready(&RangeType); |
| PyType_Ready(&WindowType); |
| PyType_Ready(&BufListType); |
| PyType_Ready(&WinListType); |
| PyType_Ready(&CurrentType); |
| |
| /* Set sys.argv[] to avoid a crash in warn(). */ |
| PySys_SetArgv(1, argv); |
| |
| mod = Py_InitModule4("vim", VimMethods, (char *)NULL, (PyObject *)NULL, PYTHON_API_VERSION); |
| dict = PyModule_GetDict(mod); |
| |
| VimError = Py_BuildValue("s", "vim.error"); |
| |
| PyDict_SetItemString(dict, "error", VimError); |
| PyDict_SetItemString(dict, "buffers", (PyObject *)(void *)&TheBufferList); |
| PyDict_SetItemString(dict, "current", (PyObject *)(void *)&TheCurrent); |
| PyDict_SetItemString(dict, "windows", (PyObject *)(void *)&TheWindowList); |
| |
| if (PyErr_Occurred()) |
| return -1; |
| |
| return 0; |
| } |
| |
| /************************************************************************* |
| * 4. Utility functions for handling the interface between Vim and Python. |
| */ |
| |
| /* Convert a Vim line into a Python string. |
| * All internal newlines are replaced by null characters. |
| * |
| * On errors, the Python exception data is set, and NULL is returned. |
| */ |
| static PyObject * |
| LineToString(const char *str) |
| { |
| PyObject *result; |
| PyInt len = strlen(str); |
| char *p; |
| |
| /* Allocate an Python string object, with uninitialised contents. We |
| * must do it this way, so that we can modify the string in place |
| * later. See the Python source, Objects/stringobject.c for details. |
| */ |
| result = PyString_FromStringAndSize(NULL, len); |
| if (result == NULL) |
| return NULL; |
| |
| p = PyString_AsString(result); |
| |
| while (*str) |
| { |
| if (*str == '\n') |
| *p = '\0'; |
| else |
| *p = *str; |
| |
| ++p; |
| ++str; |
| } |
| |
| return result; |
| } |
| |
| |
| /* Don't generate a prototype for the next function, it generates an error on |
| * newer Python versions. */ |
| #if PYTHON_API_VERSION < 1007 /* Python 1.4 */ && !defined(PROTO) |
| |
| char * |
| Py_GetProgramName(void) |
| { |
| return "vim"; |
| } |
| #endif /* Python 1.4 */ |
| |
| static void |
| init_structs(void) |
| { |
| vim_memset(&OutputType, 0, sizeof(OutputType)); |
| OutputType.tp_name = "message"; |
| OutputType.tp_basicsize = sizeof(OutputObject); |
| OutputType.tp_getattr = OutputGetattr; |
| OutputType.tp_setattr = OutputSetattr; |
| |
| vim_memset(&RangeType, 0, sizeof(RangeType)); |
| RangeType.tp_name = "range"; |
| RangeType.tp_basicsize = sizeof(RangeObject); |
| RangeType.tp_dealloc = RangeDestructor; |
| RangeType.tp_getattr = RangeGetattr; |
| RangeType.tp_repr = RangeRepr; |
| RangeType.tp_as_sequence = &RangeAsSeq; |
| } |