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