Mercurial > vim
annotate src/if_lua.c @ 3149:35f098371af6 v7.3.345
updated for version 7.3.345
author | Bram Moolenaar <bram@vim.org> |
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date | Thu, 20 Oct 2011 21:41:09 +0200 |
parents | 92a181a1cec3 |
children | 3801e4811b0e |
rev | line source |
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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 * Lua interface by Luis Carvalho |
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6 * |
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7 * Do ":help uganda" in Vim to read copying and usage conditions. |
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8 * Do ":help credits" in Vim to see a list of people who contributed. |
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9 * See README.txt for an overview of the Vim source code. |
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10 */ |
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11 |
2683 | 12 #include "vim.h" |
13 | |
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14 #include <lua.h> |
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15 #include <lualib.h> |
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16 #include <lauxlib.h> |
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17 |
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18 /* Only do the following when the feature is enabled. Needed for "make |
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19 * depend". */ |
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20 #if defined(FEAT_LUA) || defined(PROTO) |
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21 |
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22 #define LUAVIM_CHUNKNAME "vim chunk" |
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23 #define LUAVIM_NAME "vim" |
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24 |
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25 typedef buf_T *luaV_Buffer; |
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26 typedef win_T *luaV_Window; |
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27 typedef void (*msgfunc_T)(char_u *); |
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28 |
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29 static const char LUAVIM_BUFFER[] = "buffer"; |
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30 static const char LUAVIM_WINDOW[] = "window"; |
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31 static const char LUAVIM_FREE[] = "luaV_free"; |
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32 |
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33 #define luaV_getfield(L, s) \ |
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34 lua_pushlightuserdata((L), (void *)(s)); \ |
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35 lua_rawget((L), LUA_REGISTRYINDEX) |
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36 #define luaV_checksandbox(L) \ |
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37 if (sandbox) luaL_error((L), "not allowed in sandbox") |
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38 #define luaV_msg(L) luaV_msgfunc((L), (msgfunc_T) msg) |
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39 #define luaV_emsg(L) luaV_msgfunc((L), (msgfunc_T) emsg) |
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40 |
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41 |
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42 #ifdef DYNAMIC_LUA |
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43 |
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44 #ifndef WIN3264 |
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45 # include <dlfcn.h> |
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46 # define HANDLE void* |
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47 # define load_dll(n) dlopen((n), RTLD_LAZY|RTLD_GLOBAL) |
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48 # define symbol_from_dll dlsym |
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49 # define close_dll dlclose |
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50 #else |
2612 | 51 # define load_dll vimLoadLib |
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52 # define symbol_from_dll GetProcAddress |
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53 # define close_dll FreeLibrary |
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54 #endif |
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55 |
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56 /* lauxlib */ |
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57 #define luaL_register dll_luaL_register |
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58 #define luaL_typerror dll_luaL_typerror |
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59 #define luaL_checklstring dll_luaL_checklstring |
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60 #define luaL_checkinteger dll_luaL_checkinteger |
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61 #define luaL_optinteger dll_luaL_optinteger |
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62 #define luaL_checktype dll_luaL_checktype |
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63 #define luaL_error dll_luaL_error |
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64 #define luaL_loadfile dll_luaL_loadfile |
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65 #define luaL_loadbuffer dll_luaL_loadbuffer |
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66 #define luaL_newstate dll_luaL_newstate |
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67 #define luaL_buffinit dll_luaL_buffinit |
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68 #define luaL_prepbuffer dll_luaL_prepbuffer |
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69 #define luaL_addlstring dll_luaL_addlstring |
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70 #define luaL_pushresult dll_luaL_pushresult |
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71 /* lua */ |
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72 #define lua_close dll_lua_close |
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73 #define lua_gettop dll_lua_gettop |
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74 #define lua_settop dll_lua_settop |
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75 #define lua_pushvalue dll_lua_pushvalue |
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76 #define lua_replace dll_lua_replace |
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77 #define lua_isnumber dll_lua_isnumber |
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78 #define lua_isstring dll_lua_isstring |
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79 #define lua_type dll_lua_type |
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80 #define lua_rawequal dll_lua_rawequal |
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81 #define lua_tonumber dll_lua_tonumber |
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82 #define lua_tointeger dll_lua_tointeger |
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83 #define lua_toboolean dll_lua_toboolean |
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84 #define lua_tolstring dll_lua_tolstring |
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85 #define lua_touserdata dll_lua_touserdata |
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86 #define lua_pushnil dll_lua_pushnil |
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87 #define lua_pushnumber dll_lua_pushnumber |
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88 #define lua_pushinteger dll_lua_pushinteger |
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89 #define lua_pushlstring dll_lua_pushlstring |
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90 #define lua_pushstring dll_lua_pushstring |
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91 #define lua_pushfstring dll_lua_pushfstring |
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92 #define lua_pushcclosure dll_lua_pushcclosure |
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93 #define lua_pushboolean dll_lua_pushboolean |
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94 #define lua_pushlightuserdata dll_lua_pushlightuserdata |
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95 #define lua_getfield dll_lua_getfield |
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96 #define lua_rawget dll_lua_rawget |
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97 #define lua_createtable dll_lua_createtable |
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98 #define lua_newuserdata dll_lua_newuserdata |
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99 #define lua_getmetatable dll_lua_getmetatable |
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100 #define lua_setfield dll_lua_setfield |
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101 #define lua_rawset dll_lua_rawset |
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102 #define lua_rawseti dll_lua_rawseti |
3091 | 103 #define lua_remove dll_lua_remove |
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104 #define lua_setmetatable dll_lua_setmetatable |
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105 #define lua_call dll_lua_call |
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106 #define lua_pcall dll_lua_pcall |
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107 /* libs */ |
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108 #define luaopen_base dll_luaopen_base |
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109 #define luaopen_table dll_luaopen_table |
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110 #define luaopen_string dll_luaopen_string |
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111 #define luaopen_math dll_luaopen_math |
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112 #define luaopen_io dll_luaopen_io |
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113 #define luaopen_os dll_luaopen_os |
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114 #define luaopen_package dll_luaopen_package |
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115 #define luaopen_debug dll_luaopen_debug |
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116 #define luaL_openlibs dll_luaL_openlibs |
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117 |
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118 /* lauxlib */ |
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119 void (*dll_luaL_register) (lua_State *L, const char *libname, const luaL_Reg *l); |
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120 int (*dll_luaL_typerror) (lua_State *L, int narg, const char *tname); |
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121 const char *(*dll_luaL_checklstring) (lua_State *L, int numArg, size_t *l); |
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122 lua_Integer (*dll_luaL_checkinteger) (lua_State *L, int numArg); |
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123 lua_Integer (*dll_luaL_optinteger) (lua_State *L, int nArg, lua_Integer def); |
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124 void (*dll_luaL_checktype) (lua_State *L, int narg, int t); |
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125 int (*dll_luaL_error) (lua_State *L, const char *fmt, ...); |
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126 int (*dll_luaL_loadfile) (lua_State *L, const char *filename); |
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127 int (*dll_luaL_loadbuffer) (lua_State *L, const char *buff, size_t sz, const char *name); |
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128 lua_State *(*dll_luaL_newstate) (void); |
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129 void (*dll_luaL_buffinit) (lua_State *L, luaL_Buffer *B); |
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130 char *(*dll_luaL_prepbuffer) (luaL_Buffer *B); |
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131 void (*dll_luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l); |
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132 void (*dll_luaL_pushresult) (luaL_Buffer *B); |
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133 /* lua */ |
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134 void (*dll_lua_close) (lua_State *L); |
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135 int (*dll_lua_gettop) (lua_State *L); |
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136 void (*dll_lua_settop) (lua_State *L, int idx); |
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137 void (*dll_lua_pushvalue) (lua_State *L, int idx); |
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138 void (*dll_lua_replace) (lua_State *L, int idx); |
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139 int (*dll_lua_isnumber) (lua_State *L, int idx); |
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140 int (*dll_lua_isstring) (lua_State *L, int idx); |
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141 int (*dll_lua_type) (lua_State *L, int idx); |
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142 int (*dll_lua_rawequal) (lua_State *L, int idx1, int idx2); |
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143 lua_Number (*dll_lua_tonumber) (lua_State *L, int idx); |
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144 lua_Integer (*dll_lua_tointeger) (lua_State *L, int idx); |
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145 int (*dll_lua_toboolean) (lua_State *L, int idx); |
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146 const char *(*dll_lua_tolstring) (lua_State *L, int idx, size_t *len); |
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147 void *(*dll_lua_touserdata) (lua_State *L, int idx); |
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148 void (*dll_lua_pushnil) (lua_State *L); |
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149 void (*dll_lua_pushnumber) (lua_State *L, lua_Number n); |
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150 void (*dll_lua_pushinteger) (lua_State *L, lua_Integer n); |
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151 void (*dll_lua_pushlstring) (lua_State *L, const char *s, size_t l); |
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152 void (*dll_lua_pushstring) (lua_State *L, const char *s); |
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153 const char *(*dll_lua_pushfstring) (lua_State *L, const char *fmt, ...); |
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154 void (*dll_lua_pushcclosure) (lua_State *L, lua_CFunction fn, int n); |
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155 void (*dll_lua_pushboolean) (lua_State *L, int b); |
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156 void (*dll_lua_pushlightuserdata) (lua_State *L, void *p); |
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157 void (*dll_lua_getfield) (lua_State *L, int idx, const char *k); |
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158 void (*dll_lua_rawget) (lua_State *L, int idx); |
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159 void (*dll_lua_createtable) (lua_State *L, int narr, int nrec); |
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160 void *(*dll_lua_newuserdata) (lua_State *L, size_t sz); |
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161 int (*dll_lua_getmetatable) (lua_State *L, int objindex); |
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162 void (*dll_lua_setfield) (lua_State *L, int idx, const char *k); |
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163 void (*dll_lua_rawset) (lua_State *L, int idx); |
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164 void (*dll_lua_rawseti) (lua_State *L, int idx, int n); |
3091 | 165 void (*dll_lua_remove) (lua_State *L, int idx); |
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166 int (*dll_lua_setmetatable) (lua_State *L, int objindex); |
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167 void (*dll_lua_call) (lua_State *L, int nargs, int nresults); |
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168 int (*dll_lua_pcall) (lua_State *L, int nargs, int nresults, int errfunc); |
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169 /* libs */ |
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170 int (*dll_luaopen_base) (lua_State *L); |
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171 int (*dll_luaopen_table) (lua_State *L); |
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172 int (*dll_luaopen_string) (lua_State *L); |
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173 int (*dll_luaopen_math) (lua_State *L); |
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174 int (*dll_luaopen_io) (lua_State *L); |
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175 int (*dll_luaopen_os) (lua_State *L); |
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176 int (*dll_luaopen_package) (lua_State *L); |
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177 int (*dll_luaopen_debug) (lua_State *L); |
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178 void (*dll_luaL_openlibs) (lua_State *L); |
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179 |
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180 typedef void **luaV_function; |
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181 typedef struct { |
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182 const char *name; |
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183 luaV_function func; |
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184 } luaV_Reg; |
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185 |
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186 static const luaV_Reg luaV_dll[] = { |
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187 /* lauxlib */ |
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188 {"luaL_register", (luaV_function) &dll_luaL_register}, |
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189 {"luaL_typerror", (luaV_function) &dll_luaL_typerror}, |
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190 {"luaL_checklstring", (luaV_function) &dll_luaL_checklstring}, |
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191 {"luaL_checkinteger", (luaV_function) &dll_luaL_checkinteger}, |
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192 {"luaL_optinteger", (luaV_function) &dll_luaL_optinteger}, |
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193 {"luaL_checktype", (luaV_function) &dll_luaL_checktype}, |
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194 {"luaL_error", (luaV_function) &dll_luaL_error}, |
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195 {"luaL_loadfile", (luaV_function) &dll_luaL_loadfile}, |
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196 {"luaL_loadbuffer", (luaV_function) &dll_luaL_loadbuffer}, |
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197 {"luaL_newstate", (luaV_function) &dll_luaL_newstate}, |
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198 {"luaL_buffinit", (luaV_function) &dll_luaL_buffinit}, |
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199 {"luaL_prepbuffer", (luaV_function) &dll_luaL_prepbuffer}, |
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200 {"luaL_addlstring", (luaV_function) &dll_luaL_addlstring}, |
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201 {"luaL_pushresult", (luaV_function) &dll_luaL_pushresult}, |
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202 /* lua */ |
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203 {"lua_close", (luaV_function) &dll_lua_close}, |
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204 {"lua_gettop", (luaV_function) &dll_lua_gettop}, |
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205 {"lua_settop", (luaV_function) &dll_lua_settop}, |
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206 {"lua_pushvalue", (luaV_function) &dll_lua_pushvalue}, |
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207 {"lua_replace", (luaV_function) &dll_lua_replace}, |
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208 {"lua_isnumber", (luaV_function) &dll_lua_isnumber}, |
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209 {"lua_isstring", (luaV_function) &dll_lua_isstring}, |
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210 {"lua_type", (luaV_function) &dll_lua_type}, |
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211 {"lua_rawequal", (luaV_function) &dll_lua_rawequal}, |
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212 {"lua_tonumber", (luaV_function) &dll_lua_tonumber}, |
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213 {"lua_tointeger", (luaV_function) &dll_lua_tointeger}, |
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214 {"lua_toboolean", (luaV_function) &dll_lua_toboolean}, |
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215 {"lua_tolstring", (luaV_function) &dll_lua_tolstring}, |
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216 {"lua_touserdata", (luaV_function) &dll_lua_touserdata}, |
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217 {"lua_pushnil", (luaV_function) &dll_lua_pushnil}, |
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218 {"lua_pushnumber", (luaV_function) &dll_lua_pushnumber}, |
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219 {"lua_pushinteger", (luaV_function) &dll_lua_pushinteger}, |
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220 {"lua_pushlstring", (luaV_function) &dll_lua_pushlstring}, |
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221 {"lua_pushstring", (luaV_function) &dll_lua_pushstring}, |
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222 {"lua_pushfstring", (luaV_function) &dll_lua_pushfstring}, |
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223 {"lua_pushcclosure", (luaV_function) &dll_lua_pushcclosure}, |
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224 {"lua_pushboolean", (luaV_function) &dll_lua_pushboolean}, |
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225 {"lua_pushlightuserdata", (luaV_function) &dll_lua_pushlightuserdata}, |
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226 {"lua_getfield", (luaV_function) &dll_lua_getfield}, |
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227 {"lua_rawget", (luaV_function) &dll_lua_rawget}, |
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228 {"lua_createtable", (luaV_function) &dll_lua_createtable}, |
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229 {"lua_newuserdata", (luaV_function) &dll_lua_newuserdata}, |
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230 {"lua_getmetatable", (luaV_function) &dll_lua_getmetatable}, |
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231 {"lua_setfield", (luaV_function) &dll_lua_setfield}, |
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232 {"lua_rawset", (luaV_function) &dll_lua_rawset}, |
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233 {"lua_rawseti", (luaV_function) &dll_lua_rawseti}, |
3091 | 234 {"lua_remove", (luaV_function) &dll_lua_remove}, |
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235 {"lua_setmetatable", (luaV_function) &dll_lua_setmetatable}, |
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236 {"lua_call", (luaV_function) &dll_lua_call}, |
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237 {"lua_pcall", (luaV_function) &dll_lua_pcall}, |
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238 /* libs */ |
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239 {"luaopen_base", (luaV_function) &dll_luaopen_base}, |
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240 {"luaopen_table", (luaV_function) &dll_luaopen_table}, |
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241 {"luaopen_string", (luaV_function) &dll_luaopen_string}, |
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242 {"luaopen_math", (luaV_function) &dll_luaopen_math}, |
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243 {"luaopen_io", (luaV_function) &dll_luaopen_io}, |
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244 {"luaopen_os", (luaV_function) &dll_luaopen_os}, |
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245 {"luaopen_package", (luaV_function) &dll_luaopen_package}, |
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246 {"luaopen_debug", (luaV_function) &dll_luaopen_debug}, |
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247 {"luaL_openlibs", (luaV_function) &dll_luaL_openlibs}, |
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248 {NULL, NULL} |
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249 }; |
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250 |
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251 static HANDLE hinstLua = NULL; |
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252 |
2330 | 253 static void |
254 end_dynamic_lua(void) | |
255 { | |
256 if (hinstLua) | |
257 { | |
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258 close_dll(hinstLua); |
2330 | 259 hinstLua = 0; |
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260 } |
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261 } |
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262 |
2330 | 263 static int |
264 lua_link_init(char *libname, int verbose) | |
265 { | |
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266 const luaV_Reg *reg; |
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267 if (hinstLua) return OK; |
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268 hinstLua = load_dll(libname); |
2330 | 269 if (!hinstLua) |
270 { | |
271 if (verbose) | |
272 EMSG2(_(e_loadlib), libname); | |
273 return FAIL; | |
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274 } |
2330 | 275 for (reg = luaV_dll; reg->func; reg++) |
276 { | |
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277 if ((*reg->func = symbol_from_dll(hinstLua, reg->name)) == NULL) |
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278 { |
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279 close_dll(hinstLua); |
2330 | 280 hinstLua = 0; |
281 if (verbose) | |
282 EMSG2(_(e_loadfunc), reg->name); | |
283 return FAIL; | |
284 } | |
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285 } |
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286 return OK; |
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287 } |
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288 |
2330 | 289 int |
290 lua_enabled(int verbose) | |
291 { | |
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292 return lua_link_init(DYNAMIC_LUA_DLL, verbose) == OK; |
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293 } |
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294 |
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295 #endif /* DYNAMIC_LUA */ |
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296 |
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297 |
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298 /* ======= Internal ======= */ |
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299 |
2330 | 300 static void |
301 luaV_newmetatable(lua_State *L, const char *tname) | |
302 { | |
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303 lua_newtable(L); |
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304 lua_pushlightuserdata(L, (void *) tname); |
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305 lua_pushvalue(L, -2); |
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306 lua_rawset(L, LUA_REGISTRYINDEX); |
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307 } |
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308 |
2330 | 309 static void * |
310 luaV_toudata(lua_State *L, int ud, const char *tname) | |
311 { | |
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312 void *p = lua_touserdata(L, ud); |
2330 | 313 |
314 if (p != NULL) /* value is userdata? */ | |
315 { | |
316 if (lua_getmetatable(L, ud)) /* does it have a metatable? */ | |
317 { | |
318 luaV_getfield(L, tname); /* get metatable */ | |
319 if (lua_rawequal(L, -1, -2)) /* MTs match? */ | |
320 { | |
321 lua_pop(L, 2); /* MTs */ | |
322 return p; | |
323 } | |
324 } | |
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325 } |
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326 return NULL; |
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327 } |
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328 |
2330 | 329 static void * |
330 luaV_checkudata(lua_State *L, int ud, const char *tname) | |
331 { | |
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332 void *p = luaV_toudata(L, ud, tname); |
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333 if (p == NULL) luaL_typerror(L, ud, tname); |
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334 return p; |
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335 } |
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336 |
2330 | 337 static void |
338 luaV_pushtypval(lua_State *L, typval_T *tv) | |
339 { | |
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340 if (tv == NULL) luaL_error(L, "null type"); |
2330 | 341 switch (tv->v_type) |
342 { | |
343 case VAR_STRING: | |
344 lua_pushstring(L, (char *) tv->vval.v_string); | |
345 break; | |
346 case VAR_NUMBER: | |
347 lua_pushinteger(L, (int) tv->vval.v_number); | |
348 break; | |
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349 #ifdef FEAT_FLOAT |
2330 | 350 case VAR_FLOAT: |
351 lua_pushnumber(L, (lua_Number) tv->vval.v_float); | |
352 break; | |
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353 #endif |
2330 | 354 case VAR_LIST: { |
355 list_T *l = tv->vval.v_list; | |
356 | |
357 if (l != NULL) | |
358 { | |
359 /* check cache */ | |
360 lua_pushlightuserdata(L, (void *) l); | |
361 lua_rawget(L, LUA_ENVIRONINDEX); | |
362 if (lua_isnil(L, -1)) /* not interned? */ | |
363 { | |
364 listitem_T *li; | |
365 int n = 0; | |
366 lua_pop(L, 1); /* nil */ | |
367 lua_newtable(L); | |
368 lua_pushlightuserdata(L, (void *) l); | |
369 lua_pushvalue(L, -2); | |
370 lua_rawset(L, LUA_ENVIRONINDEX); | |
371 for (li = l->lv_first; li != NULL; li = li->li_next) | |
372 { | |
373 luaV_pushtypval(L, &li->li_tv); | |
374 lua_rawseti(L, -2, ++n); | |
375 } | |
376 } | |
377 } | |
378 else lua_pushnil(L); | |
379 break; | |
380 } | |
381 case VAR_DICT: { | |
382 dict_T *d = tv->vval.v_dict; | |
383 | |
384 if (d != NULL) | |
385 { | |
386 /* check cache */ | |
387 lua_pushlightuserdata(L, (void *) d); | |
388 lua_rawget(L, LUA_ENVIRONINDEX); | |
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389 if (lua_isnil(L, -1)) /* not interned? */ |
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390 { |
2330 | 391 hashtab_T *ht = &d->dv_hashtab; |
392 hashitem_T *hi; | |
393 int n = ht->ht_used; /* remaining items */ | |
394 lua_pop(L, 1); /* nil */ | |
395 lua_newtable(L); | |
396 lua_pushlightuserdata(L, (void *) d); | |
397 lua_pushvalue(L, -2); | |
398 lua_rawset(L, LUA_ENVIRONINDEX); | |
399 for (hi = ht->ht_array; n > 0; hi++) | |
400 { | |
401 if (!HASHITEM_EMPTY(hi)) | |
402 { | |
403 dictitem_T *di = dict_lookup(hi); | |
404 luaV_pushtypval(L, &di->di_tv); | |
405 lua_setfield(L, -2, (char *) hi->hi_key); | |
406 n--; | |
407 } | |
408 } | |
409 } | |
410 } | |
411 else lua_pushnil(L); | |
412 break; | |
413 } | |
414 default: | |
415 luaL_error(L, "invalid type"); | |
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416 } |
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417 } |
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418 |
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419 /* similar to luaL_addlstring, but replaces \0 with \n if toline and |
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420 * \n with \0 otherwise */ |
2330 | 421 static void |
422 luaV_addlstring(luaL_Buffer *b, const char *s, size_t l, int toline) | |
423 { | |
424 while (l--) | |
425 { | |
426 if (*s == '\0' && toline) | |
427 luaL_addchar(b, '\n'); | |
428 else if (*s == '\n' && !toline) | |
429 luaL_addchar(b, '\0'); | |
430 else | |
431 luaL_addchar(b, *s); | |
432 s++; | |
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433 } |
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434 } |
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435 |
2330 | 436 static void |
437 luaV_pushline(lua_State *L, buf_T *buf, linenr_T n) | |
438 { | |
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439 const char *s = (const char *) ml_get_buf(buf, n, FALSE); |
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440 luaL_Buffer b; |
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441 luaL_buffinit(L, &b); |
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442 luaV_addlstring(&b, s, strlen(s), 0); |
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443 luaL_pushresult(&b); |
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444 } |
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445 |
2330 | 446 static char_u * |
447 luaV_toline(lua_State *L, int pos) | |
448 { | |
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449 size_t l; |
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450 const char *s = lua_tolstring(L, pos, &l); |
2330 | 451 |
2320
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452 luaL_Buffer b; |
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453 luaL_buffinit(L, &b); |
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454 luaV_addlstring(&b, s, l, 1); |
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455 luaL_pushresult(&b); |
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456 return (char_u *) lua_tostring(L, -1); |
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457 } |
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458 |
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459 /* pops a string s from the top of the stack and calls mf(t) for pieces t of |
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460 * s separated by newlines */ |
2330 | 461 static void |
462 luaV_msgfunc(lua_State *L, msgfunc_T mf) | |
463 { | |
2320
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464 luaL_Buffer b; |
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465 size_t l; |
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466 const char *p, *s = lua_tolstring(L, -1, &l); |
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467 luaL_buffinit(L, &b); |
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468 luaV_addlstring(&b, s, l, 0); |
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469 luaL_pushresult(&b); |
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470 /* break string */ |
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471 p = s = lua_tolstring(L, -1, &l); |
2330 | 472 while (l--) |
473 { | |
474 if (*p++ == '\0') /* break? */ | |
475 { | |
476 mf((char_u *) s); | |
477 s = p; | |
478 } | |
2320
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479 } |
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480 mf((char_u *) s); |
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481 lua_pop(L, 2); /* original and modified strings */ |
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482 } |
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483 |
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484 |
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485 /* ======= Buffer type ======= */ |
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486 |
2330 | 487 static luaV_Buffer * |
488 luaV_newbuffer(lua_State *L, buf_T *buf) | |
489 { | |
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490 luaV_Buffer *b = (luaV_Buffer *) lua_newuserdata(L, sizeof(luaV_Buffer)); |
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491 *b = buf; |
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492 lua_pushlightuserdata(L, (void *) buf); |
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493 lua_pushvalue(L, -2); |
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494 lua_rawset(L, LUA_ENVIRONINDEX); /* env[buf] = udata */ |
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495 /* to avoid GC, store as key in env */ |
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496 lua_pushvalue(L, -1); |
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497 lua_pushboolean(L, 1); |
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498 lua_rawset(L, LUA_ENVIRONINDEX); /* env[udata] = true */ |
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499 /* set metatable */ |
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500 luaV_getfield(L, LUAVIM_BUFFER); |
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501 lua_setmetatable(L, -2); |
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502 return b; |
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503 } |
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504 |
2330 | 505 static luaV_Buffer * |
506 luaV_pushbuffer (lua_State *L, buf_T *buf) | |
507 { | |
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508 luaV_Buffer *b = NULL; |
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509 if (buf == NULL) |
2330 | 510 lua_pushnil(L); |
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511 else { |
2330 | 512 lua_pushlightuserdata(L, (void *) buf); |
513 lua_rawget(L, LUA_ENVIRONINDEX); | |
514 if (lua_isnil(L, -1)) /* not interned? */ | |
515 { | |
516 lua_pop(L, 1); | |
517 b = luaV_newbuffer(L, buf); | |
518 } | |
519 else | |
520 b = (luaV_Buffer *) lua_touserdata(L, -1); | |
2320
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521 } |
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522 return b; |
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523 } |
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524 |
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525 /* Buffer metamethods */ |
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526 |
2330 | 527 static int |
528 luaV_buffer_tostring(lua_State *L) | |
529 { | |
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530 lua_pushfstring(L, "%s: %p", LUAVIM_BUFFER, lua_touserdata(L, 1)); |
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531 return 1; |
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532 } |
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533 |
2330 | 534 static int |
535 luaV_buffer_len(lua_State *L) | |
536 { | |
2320
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537 luaV_Buffer *b = lua_touserdata(L, 1); |
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538 lua_pushinteger(L, (*b)->b_ml.ml_line_count); |
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539 return 1; |
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540 } |
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541 |
2330 | 542 static int |
543 luaV_buffer_call(lua_State *L) | |
544 { | |
2320
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545 luaV_Buffer *b = (luaV_Buffer *) lua_touserdata(L, 1); |
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546 lua_settop(L, 1); |
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547 set_curbuf(*b, DOBUF_SPLIT); |
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548 return 1; |
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549 } |
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550 |
2330 | 551 static int |
552 luaV_buffer_index(lua_State *L) | |
553 { | |
2320
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554 luaV_Buffer *b = (luaV_Buffer *) lua_touserdata(L, 1); |
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555 linenr_T n = (linenr_T) lua_tointeger(L, 2); |
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556 if (n > 0 && n <= (*b)->b_ml.ml_line_count) |
2330 | 557 luaV_pushline(L, *b, n); |
558 else if (lua_isstring(L, 2)) | |
559 { | |
560 const char *s = lua_tostring(L, 2); | |
561 if (strncmp(s, "name", 4) == 0) | |
562 lua_pushstring(L, (char *) (*b)->b_sfname); | |
563 else if (strncmp(s, "fname", 5) == 0) | |
564 lua_pushstring(L, (char *) (*b)->b_ffname); | |
565 else if (strncmp(s, "number", 6) == 0) | |
566 lua_pushinteger(L, (*b)->b_fnum); | |
567 /* methods */ | |
568 else if (strncmp(s, "insert", 6) == 0 | |
569 || strncmp(s, "next", 4) == 0 | |
570 || strncmp(s, "previous", 8) == 0 | |
571 || strncmp(s, "isvalid", 7) == 0) | |
572 { | |
573 lua_getmetatable(L, 1); | |
574 lua_getfield(L, -1, s); | |
575 } | |
576 else | |
577 lua_pushnil(L); | |
2320
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578 } |
2330 | 579 else |
580 lua_pushnil(L); | |
2320
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581 return 1; |
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582 } |
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583 |
2330 | 584 static int |
585 luaV_buffer_newindex(lua_State *L) | |
586 { | |
2320
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587 luaV_Buffer *b = (luaV_Buffer *) lua_touserdata(L, 1); |
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588 linenr_T n = (linenr_T) luaL_checkinteger(L, 2); |
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589 #ifdef HAVE_SANDBOX |
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590 luaV_checksandbox(L); |
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591 #endif |
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592 if (n < 1 || n > (*b)->b_ml.ml_line_count) |
2330 | 593 luaL_error(L, "invalid line number"); |
594 if (lua_isnil(L, 3)) /* delete line */ | |
595 { | |
596 buf_T *buf = curbuf; | |
597 curbuf = *b; | |
598 if (u_savedel(n, 1L) == FAIL) | |
599 { | |
600 curbuf = buf; | |
601 luaL_error(L, "cannot save undo information"); | |
602 } | |
603 else if (ml_delete(n, FALSE) == FAIL) | |
604 { | |
605 curbuf = buf; | |
606 luaL_error(L, "cannot delete line"); | |
607 } | |
608 else { | |
609 deleted_lines_mark(n, 1L); | |
610 if (*b == curwin->w_buffer) /* fix cursor in current window? */ | |
611 { | |
612 if (curwin->w_cursor.lnum >= n) | |
613 { | |
614 if (curwin->w_cursor.lnum > n) | |
615 { | |
616 curwin->w_cursor.lnum -= 1; | |
617 check_cursor_col(); | |
618 } | |
619 else check_cursor(); | |
620 changed_cline_bef_curs(); | |
621 } | |
622 invalidate_botline(); | |
623 } | |
624 } | |
625 curbuf = buf; | |
2320
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626 } |
2330 | 627 else if (lua_isstring(L, 3)) /* update line */ |
628 { | |
629 buf_T *buf = curbuf; | |
630 curbuf = *b; | |
631 if (u_savesub(n) == FAIL) | |
632 { | |
633 curbuf = buf; | |
634 luaL_error(L, "cannot save undo information"); | |
635 } | |
636 else if (ml_replace(n, luaV_toline(L, 3), TRUE) == FAIL) | |
637 { | |
638 curbuf = buf; | |
639 luaL_error(L, "cannot replace line"); | |
640 } | |
641 else changed_bytes(n, 0); | |
642 curbuf = buf; | |
643 if (*b == curwin->w_buffer) | |
644 check_cursor_col(); | |
2320
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645 } |
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646 else |
2330 | 647 luaL_error(L, "wrong argument to change line"); |
2320
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648 return 0; |
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649 } |
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650 |
2330 | 651 static int |
652 luaV_buffer_insert(lua_State *L) | |
653 { | |
2320
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654 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
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655 linenr_T last = (*b)->b_ml.ml_line_count; |
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656 linenr_T n = (linenr_T) luaL_optinteger(L, 3, last); |
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657 buf_T *buf; |
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658 luaL_checktype(L, 2, LUA_TSTRING); |
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659 #ifdef HAVE_SANDBOX |
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660 luaV_checksandbox(L); |
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661 #endif |
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662 /* fix insertion line */ |
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663 if (n < 0) n = 0; |
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664 if (n > last) n = last; |
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665 /* insert */ |
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666 buf = curbuf; |
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667 curbuf = *b; |
2330 | 668 if (u_save(n, n + 1) == FAIL) |
669 { | |
670 curbuf = buf; | |
671 luaL_error(L, "cannot save undo information"); | |
2320
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|
672 } |
2330 | 673 else if (ml_append(n, luaV_toline(L, 2), 0, FALSE) == FAIL) |
674 { | |
675 curbuf = buf; | |
676 luaL_error(L, "cannot insert line"); | |
2320
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677 } |
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678 else |
2330 | 679 appended_lines_mark(n, 1L); |
2320
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680 curbuf = buf; |
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681 update_screen(VALID); |
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682 return 0; |
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|
683 } |
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|
684 |
2330 | 685 static int |
686 luaV_buffer_next(lua_State *L) | |
687 { | |
2320
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688 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
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689 luaV_pushbuffer(L, (*b)->b_next); |
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690 return 1; |
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|
691 } |
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|
692 |
2330 | 693 static int |
694 luaV_buffer_previous(lua_State *L) | |
695 { | |
2320
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696 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
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697 luaV_pushbuffer(L, (*b)->b_prev); |
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698 return 1; |
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|
699 } |
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|
700 |
2330 | 701 static int |
702 luaV_buffer_isvalid(lua_State *L) | |
703 { | |
2320
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704 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
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705 lua_pushlightuserdata(L, (void *) (*b)); |
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706 lua_rawget(L, LUA_ENVIRONINDEX); |
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|
707 lua_pushboolean(L, !lua_isnil(L, -1)); |
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|
708 return 1; |
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|
709 } |
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|
710 |
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|
711 static const luaL_Reg luaV_Buffer_mt[] = { |
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712 {"__tostring", luaV_buffer_tostring}, |
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|
713 {"__len", luaV_buffer_len}, |
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|
714 {"__call", luaV_buffer_call}, |
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|
715 {"__index", luaV_buffer_index}, |
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|
716 {"__newindex", luaV_buffer_newindex}, |
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|
717 {"insert", luaV_buffer_insert}, |
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|
718 {"next", luaV_buffer_next}, |
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|
719 {"previous", luaV_buffer_previous}, |
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|
720 {"isvalid", luaV_buffer_isvalid}, |
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|
721 {NULL, NULL} |
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|
722 }; |
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|
723 |
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|
724 |
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diff
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|
725 /* ======= Window type ======= */ |
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Added Lua interfae. (Luis Carvalho)
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|
726 |
2330 | 727 static luaV_Window * |
728 luaV_newwindow(lua_State *L, win_T *win) | |
729 { | |
2320
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|
730 luaV_Window *w = (luaV_Window *) lua_newuserdata(L, sizeof(luaV_Window)); |
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|
731 *w = win; |
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Added Lua interfae. (Luis Carvalho)
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|
732 lua_pushlightuserdata(L, (void *) win); |
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|
733 lua_pushvalue(L, -2); |
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|
734 lua_rawset(L, LUA_ENVIRONINDEX); /* env[win] = udata */ |
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parents:
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|
735 /* to avoid GC, store as key in env */ |
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parents:
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|
736 lua_pushvalue(L, -1); |
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|
737 lua_pushboolean(L, 1); |
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|
738 lua_rawset(L, LUA_ENVIRONINDEX); /* env[udata] = true */ |
966a5609669e
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|
739 /* set metatable */ |
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|
740 luaV_getfield(L, LUAVIM_WINDOW); |
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|
741 lua_setmetatable(L, -2); |
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parents:
diff
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|
742 return w; |
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|
743 } |
966a5609669e
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parents:
diff
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|
744 |
2330 | 745 static luaV_Window * |
746 luaV_pushwindow(lua_State *L, win_T *win) | |
747 { | |
2320
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|
748 luaV_Window *w = NULL; |
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|
749 if (win == NULL) |
2330 | 750 lua_pushnil(L); |
2320
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|
751 else { |
2330 | 752 lua_pushlightuserdata(L, (void *) win); |
753 lua_rawget(L, LUA_ENVIRONINDEX); | |
754 if (lua_isnil(L, -1)) /* not interned? */ | |
755 { | |
756 lua_pop(L, 1); | |
757 w = luaV_newwindow(L, win); | |
758 } | |
759 else w = (luaV_Window *) lua_touserdata(L, -1); | |
2320
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|
760 } |
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diff
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|
761 return w; |
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parents:
diff
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|
762 } |
966a5609669e
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parents:
diff
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|
763 |
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parents:
diff
changeset
|
764 /* Window metamethods */ |
966a5609669e
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parents:
diff
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|
765 |
2330 | 766 static int |
767 luaV_window_tostring(lua_State *L) | |
768 { | |
2320
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parents:
diff
changeset
|
769 lua_pushfstring(L, "%s: %p", LUAVIM_WINDOW, lua_touserdata(L, 1)); |
966a5609669e
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|
770 return 1; |
966a5609669e
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|
771 } |
966a5609669e
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parents:
diff
changeset
|
772 |
2330 | 773 static int |
774 luaV_window_call(lua_State *L) | |
775 { | |
2320
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|
776 luaV_Window *w = (luaV_Window *) lua_touserdata(L, 1); |
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Added Lua interfae. (Luis Carvalho)
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|
777 lua_settop(L, 1); |
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parents:
diff
changeset
|
778 win_goto(*w); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
779 return 1; |
966a5609669e
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parents:
diff
changeset
|
780 } |
966a5609669e
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parents:
diff
changeset
|
781 |
2330 | 782 static int |
783 luaV_window_index(lua_State *L) | |
784 { | |
2320
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|
785 luaV_Window *w = (luaV_Window *) lua_touserdata(L, 1); |
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diff
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|
786 const char *s = luaL_checkstring(L, 2); |
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parents:
diff
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|
787 if (strncmp(s, "buffer", 6) == 0) |
2330 | 788 luaV_pushbuffer(L, (*w)->w_buffer); |
2320
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|
789 else if (strncmp(s, "line", 4) == 0) |
2330 | 790 lua_pushinteger(L, (*w)->w_cursor.lnum); |
2320
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|
791 else if (strncmp(s, "col", 3) == 0) |
2330 | 792 lua_pushinteger(L, (*w)->w_cursor.col + 1); |
2320
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|
793 #ifdef FEAT_VERTSPLIT |
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|
794 else if (strncmp(s, "width", 5) == 0) |
2330 | 795 lua_pushinteger(L, W_WIDTH((*w))); |
2320
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|
796 #endif |
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|
797 else if (strncmp(s, "height", 6) == 0) |
2330 | 798 lua_pushinteger(L, (*w)->w_height); |
2320
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diff
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|
799 /* methods */ |
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parents:
diff
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|
800 else if (strncmp(s, "next", 4) == 0 |
2330 | 801 || strncmp(s, "previous", 8) == 0 |
802 || strncmp(s, "isvalid", 7) == 0) | |
803 { | |
804 lua_getmetatable(L, 1); | |
805 lua_getfield(L, -1, s); | |
2320
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|
806 } |
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parents:
diff
changeset
|
807 else |
2330 | 808 lua_pushnil(L); |
2320
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|
809 return 1; |
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changeset
|
810 } |
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|
811 |
2330 | 812 static int |
813 luaV_window_newindex (lua_State *L) | |
814 { | |
2320
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parents:
diff
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|
815 luaV_Window *w = (luaV_Window *) lua_touserdata(L, 1); |
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|
816 const char *s = luaL_checkstring(L, 2); |
966a5609669e
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|
817 int v = luaL_checkinteger(L, 3); |
2330 | 818 if (strncmp(s, "line", 4) == 0) |
819 { | |
2320
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|
820 #ifdef HAVE_SANDBOX |
2330 | 821 luaV_checksandbox(L); |
2320
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parents:
diff
changeset
|
822 #endif |
2330 | 823 if (v < 1 || v > (*w)->w_buffer->b_ml.ml_line_count) |
824 luaL_error(L, "line out of range"); | |
825 (*w)->w_cursor.lnum = v; | |
826 update_screen(VALID); | |
2320
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|
827 } |
2330 | 828 else if (strncmp(s, "col", 3) == 0) |
829 { | |
2320
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parents:
diff
changeset
|
830 #ifdef HAVE_SANDBOX |
2330 | 831 luaV_checksandbox(L); |
2320
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|
832 #endif |
2330 | 833 (*w)->w_cursor.col = v - 1; |
834 update_screen(VALID); | |
2320
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|
835 } |
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parents:
diff
changeset
|
836 #ifdef FEAT_VERTSPLIT |
2330 | 837 else if (strncmp(s, "width", 5) == 0) |
838 { | |
839 win_T *win = curwin; | |
2320
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|
840 #ifdef FEAT_GUI |
2330 | 841 need_mouse_correct = TRUE; |
2320
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842 #endif |
2330 | 843 curwin = *w; |
844 win_setwidth(v); | |
845 curwin = win; | |
2320
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|
846 } |
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847 #endif |
2330 | 848 else if (strncmp(s, "height", 6) == 0) |
849 { | |
850 win_T *win = curwin; | |
2320
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|
851 #ifdef FEAT_GUI |
2330 | 852 need_mouse_correct = TRUE; |
2320
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853 #endif |
2330 | 854 curwin = *w; |
855 win_setheight(v); | |
856 curwin = win; | |
2320
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857 } |
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|
858 else |
2330 | 859 luaL_error(L, "invalid window property: `%s'", s); |
2320
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860 return 0; |
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|
861 } |
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|
862 |
2330 | 863 static int |
864 luaV_window_next(lua_State *L) | |
865 { | |
2320
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866 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
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867 luaV_pushwindow(L, (*w)->w_next); |
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868 return 1; |
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|
869 } |
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|
870 |
2330 | 871 static int |
872 luaV_window_previous(lua_State *L) | |
873 { | |
2320
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874 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
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875 luaV_pushwindow(L, (*w)->w_prev); |
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|
876 return 1; |
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|
877 } |
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|
878 |
2330 | 879 static int |
880 luaV_window_isvalid(lua_State *L) | |
881 { | |
2320
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882 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
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|
883 lua_pushlightuserdata(L, (void *) (*w)); |
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884 lua_rawget(L, LUA_ENVIRONINDEX); |
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885 lua_pushboolean(L, !lua_isnil(L, -1)); |
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886 return 1; |
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|
887 } |
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|
888 |
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889 static const luaL_Reg luaV_Window_mt[] = { |
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|
890 {"__tostring", luaV_window_tostring}, |
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891 {"__call", luaV_window_call}, |
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892 {"__index", luaV_window_index}, |
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893 {"__newindex", luaV_window_newindex}, |
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894 {"next", luaV_window_next}, |
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|
895 {"previous", luaV_window_previous}, |
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|
896 {"isvalid", luaV_window_isvalid}, |
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|
897 {NULL, NULL} |
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|
898 }; |
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|
899 |
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|
900 |
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|
901 /* ======= Vim module ======= */ |
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|
902 |
2330 | 903 static int |
904 luaV_print(lua_State *L) | |
905 { | |
2320
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906 int i, n = lua_gettop(L); /* nargs */ |
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907 const char *s; |
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|
908 size_t l; |
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909 luaL_Buffer b; |
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910 luaL_buffinit(L, &b); |
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911 lua_getglobal(L, "tostring"); |
2330 | 912 for (i = 1; i <= n; i++) |
913 { | |
914 lua_pushvalue(L, -1); /* tostring */ | |
915 lua_pushvalue(L, i); /* arg */ | |
916 lua_call(L, 1, 1); | |
917 s = lua_tolstring(L, -1, &l); | |
918 if (s == NULL) | |
919 return luaL_error(L, "cannot convert to string"); | |
920 if (i > 1) luaL_addchar(&b, ' '); /* use space instead of tab */ | |
921 luaV_addlstring(&b, s, l, 0); | |
922 lua_pop(L, 1); | |
2320
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|
923 } |
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|
924 luaL_pushresult(&b); |
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925 luaV_msg(L); |
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|
926 return 0; |
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|
927 } |
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|
928 |
2330 | 929 static int |
3091 | 930 luaV_debug(lua_State *L) |
931 { | |
932 lua_settop(L, 0); | |
933 lua_getglobal(L, "vim"); | |
934 lua_getfield(L, -1, "eval"); | |
935 lua_remove(L, -2); /* vim.eval at position 1 */ | |
936 for (;;) | |
937 { | |
938 const char *input; | |
939 size_t l; | |
940 lua_pushvalue(L, 1); /* vim.eval */ | |
941 lua_pushliteral(L, "input('lua_debug> ')"); | |
942 lua_call(L, 1, 1); /* return string */ | |
943 input = lua_tolstring(L, -1, &l); | |
944 if (l == 0 || strcmp(input, "cont") == 0) | |
945 return 0; | |
946 msg_putchar('\n'); /* avoid outputting on input line */ | |
947 if (luaL_loadbuffer(L, input, l, "=(debug command)") | |
948 || lua_pcall(L, 0, 0, 0)) | |
949 luaV_emsg(L); | |
950 lua_settop(L, 1); /* remove eventual returns, but keep vim.eval */ | |
951 } | |
952 } | |
953 | |
954 static int | |
2330 | 955 luaV_command(lua_State *L) |
956 { | |
2320
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|
957 do_cmdline_cmd((char_u *) luaL_checkstring(L, 1)); |
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|
958 update_screen(VALID); |
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|
959 return 0; |
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|
960 } |
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|
961 |
2330 | 962 static int |
963 luaV_eval(lua_State *L) | |
964 { | |
2320
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|
965 typval_T *tv = eval_expr((char_u *) luaL_checkstring(L, 1), NULL); |
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|
966 if (tv == NULL) luaL_error(L, "invalid expression"); |
966a5609669e
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|
967 luaV_pushtypval(L, tv); |
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|
968 return 1; |
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|
969 } |
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|
970 |
2330 | 971 static int |
2331
3840b7508835
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Bram Moolenaar <bram@vim.org>
parents:
2330
diff
changeset
|
972 luaV_beep(lua_State *L UNUSED) |
2330 | 973 { |
2320
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|
974 vim_beep(); |
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|
975 return 0; |
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|
976 } |
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diff
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|
977 |
2330 | 978 static int |
979 luaV_line(lua_State *L) | |
980 { | |
2320
966a5609669e
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|
981 luaV_pushline(L, curbuf, curwin->w_cursor.lnum); |
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|
982 return 1; |
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|
983 } |
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|
984 |
2330 | 985 static int |
986 luaV_buffer(lua_State *L) | |
987 { | |
2320
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|
988 buf_T *buf; |
2330 | 989 if (lua_isstring(L, 1)) /* get by number or name? */ |
990 { | |
991 if (lua_isnumber(L, 1)) /* by number? */ | |
992 { | |
993 int n = lua_tointeger(L, 1); | |
994 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
995 if (buf->b_fnum == n) break; | |
996 } | |
997 else { /* by name */ | |
998 size_t l; | |
999 const char *s = lua_tolstring(L, 1, &l); | |
1000 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
1001 { | |
1002 if (buf->b_ffname == NULL || buf->b_sfname == NULL) | |
1003 { | |
1004 if (l == 0) break; | |
1005 } | |
2331
3840b7508835
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Bram Moolenaar <bram@vim.org>
parents:
2330
diff
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|
1006 else if (strncmp(s, (char *)buf->b_ffname, l) == 0 |
3840b7508835
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Bram Moolenaar <bram@vim.org>
parents:
2330
diff
changeset
|
1007 || strncmp(s, (char *)buf->b_sfname, l) == 0) |
2330 | 1008 break; |
1009 } | |
1010 } | |
1011 if (buf == NULL) /* not found? */ | |
1012 lua_pushnil(L); | |
1013 else | |
1014 luaV_pushbuffer(L, buf); | |
2320
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|
1015 } |
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|
1016 else { |
2330 | 1017 buf = (lua_toboolean(L, 1)) ? firstbuf : curbuf; /* first buffer? */ |
1018 luaV_pushbuffer(L, buf); | |
2320
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|
1019 } |
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|
1020 return 1; |
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|
1021 } |
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|
1022 |
2330 | 1023 static int |
1024 luaV_window(lua_State *L) | |
1025 { | |
2320
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diff
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|
1026 win_T *win; |
2330 | 1027 if (lua_isnumber(L, 1)) /* get by number? */ |
1028 { | |
1029 int n = lua_tointeger(L, 1); | |
1030 for (win = firstwin; win != NULL; win = win->w_next, n--) | |
1031 if (n == 1) break; | |
1032 if (win == NULL) /* not found? */ | |
1033 lua_pushnil(L); | |
1034 else | |
1035 luaV_pushwindow(L, win); | |
2320
966a5609669e
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|
1036 } |
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|
1037 else { |
2330 | 1038 win = (lua_toboolean(L, 1)) ? firstwin : curwin; /* first window? */ |
1039 luaV_pushwindow(L, win); | |
2320
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|
1040 } |
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|
1041 return 1; |
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|
1042 } |
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|
1043 |
2330 | 1044 static int |
1045 luaV_open(lua_State *L) | |
1046 { | |
2320
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|
1047 luaV_Buffer *b; |
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|
1048 char_u *s = NULL; |
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|
1049 #ifdef HAVE_SANDBOX |
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|
1050 luaV_checksandbox(L); |
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|
1051 #endif |
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1052 if (lua_isstring(L, 1)) s = (char_u *) lua_tostring(L, 1); |
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Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1053 b = luaV_pushbuffer(L, buflist_new(s, NULL, 1L, BLN_LISTED)); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1054 return 1; |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1055 } |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1056 |
2330 | 1057 static int |
1058 luaV_isbuffer(lua_State *L) | |
1059 { | |
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1060 lua_pushboolean(L, luaV_toudata(L, 1, LUAVIM_BUFFER) != NULL); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1061 return 1; |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1062 } |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1063 |
2330 | 1064 static int |
1065 luaV_iswindow(lua_State *L) | |
1066 { | |
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1067 lua_pushboolean(L, luaV_toudata(L, 1, LUAVIM_WINDOW) != NULL); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1068 return 1; |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1069 } |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1070 |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1071 /* for freeing buffer and window objects; lightuserdata as arg */ |
2330 | 1072 static int |
1073 luaV_free(lua_State *L) | |
1074 { | |
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1075 lua_pushvalue(L, 1); /* lightudata */ |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1076 lua_rawget(L, LUA_ENVIRONINDEX); |
2330 | 1077 if (!lua_isnil(L, -1)) |
1078 { | |
1079 lua_pushnil(L); | |
1080 lua_rawset(L, LUA_ENVIRONINDEX); /* env[udata] = nil */ | |
1081 lua_pushnil(L); | |
1082 lua_rawset(L, LUA_ENVIRONINDEX); /* env[lightudata] = nil */ | |
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
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|
1083 } |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1084 return 0; |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1085 } |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
1086 |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1087 static const luaL_Reg luaV_module[] = { |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1088 {"command", luaV_command}, |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1089 {"eval", luaV_eval}, |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1090 {"beep", luaV_beep}, |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1091 {"line", luaV_line}, |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1092 {"buffer", luaV_buffer}, |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1093 {"window", luaV_window}, |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1094 {"open", luaV_open}, |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1095 {"isbuffer", luaV_isbuffer}, |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1096 {"iswindow", luaV_iswindow}, |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1097 {NULL, NULL} |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
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|
1098 }; |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1099 |
2330 | 1100 static int |
1101 luaopen_vim(lua_State *L) | |
1102 { | |
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
1103 /* set environment */ |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1104 lua_newtable(L); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1105 lua_newtable(L); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1106 lua_pushliteral(L, "v"); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1107 lua_setfield(L, -2, "__mode"); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1108 lua_setmetatable(L, -2); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1109 lua_replace(L, LUA_ENVIRONINDEX); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1110 /* print */ |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1111 lua_pushcfunction(L, luaV_print); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1112 lua_setglobal(L, "print"); |
3091 | 1113 /* debug.debug */ |
1114 lua_getglobal(L, "debug"); | |
1115 lua_pushcfunction(L, luaV_debug); | |
1116 lua_setfield(L, -2, "debug"); | |
1117 lua_pop(L, 1); | |
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
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changeset
|
1118 /* free */ |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1119 lua_pushlightuserdata(L, (void *) LUAVIM_FREE); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1120 lua_pushcfunction(L, luaV_free); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1121 lua_rawset(L, LUA_REGISTRYINDEX); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1122 /* register */ |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1123 luaV_newmetatable(L, LUAVIM_BUFFER); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1124 luaL_register(L, NULL, luaV_Buffer_mt); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1125 luaV_newmetatable(L, LUAVIM_WINDOW); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1126 luaL_register(L, NULL, luaV_Window_mt); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1127 luaL_register(L, LUAVIM_NAME, luaV_module); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
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|
1128 return 0; |
966a5609669e
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parents:
diff
changeset
|
1129 } |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1130 |
2330 | 1131 static lua_State * |
1132 luaV_newstate(void) | |
1133 { | |
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1134 lua_State *L = luaL_newstate(); |
2431
7b764999f9b9
Update for Lua interface. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
2373
diff
changeset
|
1135 luaL_openlibs(L); /* core libs */ |
7b764999f9b9
Update for Lua interface. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
2373
diff
changeset
|
1136 lua_pushcfunction(L, luaopen_vim); /* vim */ |
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1137 lua_call(L, 0, 0); |
966a5609669e
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parents:
diff
changeset
|
1138 return L; |
966a5609669e
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parents:
diff
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|
1139 } |
966a5609669e
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parents:
diff
changeset
|
1140 |
2330 | 1141 static void |
1142 luaV_setrange(lua_State *L, int line1, int line2) | |
1143 { | |
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1144 lua_getglobal(L, LUAVIM_NAME); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1145 lua_pushinteger(L, line1); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1146 lua_setfield(L, -2, "firstline"); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1147 lua_pushinteger(L, line2); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1148 lua_setfield(L, -2, "lastline"); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1149 lua_pop(L, 1); /* vim table */ |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1150 } |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
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|
1151 |
966a5609669e
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diff
changeset
|
1152 |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1153 /* ======= Interface ======= */ |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
1154 |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1155 static lua_State *L = NULL; |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1156 |
2330 | 1157 static int |
2543
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
parents:
2431
diff
changeset
|
1158 lua_is_open(void) |
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
parents:
2431
diff
changeset
|
1159 { |
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
parents:
2431
diff
changeset
|
1160 return L != NULL; |
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
parents:
2431
diff
changeset
|
1161 } |
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
parents:
2431
diff
changeset
|
1162 |
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
parents:
2431
diff
changeset
|
1163 static int |
2330 | 1164 lua_init(void) |
1165 { | |
1166 if (L == NULL) | |
1167 { | |
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1168 #ifdef DYNAMIC_LUA |
2330 | 1169 if (!lua_enabled(TRUE)) |
1170 { | |
1171 EMSG(_("Lua library cannot be loaded.")); | |
1172 return FAIL; | |
1173 } | |
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1174 #endif |
2330 | 1175 L = luaV_newstate(); |
2320
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parents:
diff
changeset
|
1176 } |
966a5609669e
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parents:
diff
changeset
|
1177 return OK; |
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parents:
diff
changeset
|
1178 } |
966a5609669e
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parents:
diff
changeset
|
1179 |
2330 | 1180 void |
1181 lua_end(void) | |
1182 { | |
1183 if (L != NULL) | |
1184 { | |
1185 lua_close(L); | |
1186 L = NULL; | |
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1187 #ifdef DYNAMIC_LUA |
2330 | 1188 end_dynamic_lua(); |
2320
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parents:
diff
changeset
|
1189 #endif |
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parents:
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changeset
|
1190 } |
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parents:
diff
changeset
|
1191 } |
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parents:
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changeset
|
1192 |
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diff
changeset
|
1193 /* ex commands */ |
2330 | 1194 void |
1195 ex_lua(exarg_T *eap) | |
1196 { | |
2320
966a5609669e
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parents:
diff
changeset
|
1197 char *script; |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1198 if (lua_init() == FAIL) return; |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1199 script = (char *) script_get(eap, eap->arg); |
2330 | 1200 if (!eap->skip) |
1201 { | |
1202 char *s = (script) ? script : (char *) eap->arg; | |
1203 luaV_setrange(L, eap->line1, eap->line2); | |
1204 if (luaL_loadbuffer(L, s, strlen(s), LUAVIM_CHUNKNAME) | |
1205 || lua_pcall(L, 0, 0, 0)) | |
1206 luaV_emsg(L); | |
2320
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Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1207 } |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1208 if (script != NULL) vim_free(script); |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1209 } |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1210 |
2330 | 1211 void |
1212 ex_luado(exarg_T *eap) | |
1213 { | |
2320
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Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1214 linenr_T l; |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1215 const char *s = (const char *) eap->arg; |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1216 luaL_Buffer b; |
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1217 size_t len; |
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1218 if (lua_init() == FAIL) return; |
2330 | 1219 if (u_save(eap->line1 - 1, eap->line2 + 1) == FAIL) |
1220 { | |
1221 EMSG(_("cannot save undo information")); | |
1222 return; | |
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1223 } |
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parents:
diff
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|
1224 luaV_setrange(L, eap->line1, eap->line2); |
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1225 luaL_buffinit(L, &b); |
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1226 luaL_addlstring(&b, "return function(line) ", 22); /* header */ |
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1227 luaL_addlstring(&b, s, strlen(s)); |
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1228 luaL_addlstring(&b, " end", 4); /* footer */ |
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1229 luaL_pushresult(&b); |
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1230 s = lua_tolstring(L, -1, &len); |
2330 | 1231 if (luaL_loadbuffer(L, s, len, LUAVIM_CHUNKNAME)) |
1232 { | |
1233 luaV_emsg(L); | |
1234 lua_pop(L, 1); /* function body */ | |
1235 return; | |
2320
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1236 } |
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1237 lua_call(L, 0, 1); |
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1238 lua_replace(L, -2); /* function -> body */ |
2330 | 1239 for (l = eap->line1; l <= eap->line2; l++) |
1240 { | |
1241 lua_pushvalue(L, -1); /* function */ | |
1242 luaV_pushline(L, curbuf, l); /* current line as arg */ | |
1243 if (lua_pcall(L, 1, 1, 0)) | |
1244 { | |
1245 luaV_emsg(L); | |
1246 break; | |
1247 } | |
1248 if (lua_isstring(L, -1)) /* update line? */ | |
1249 { | |
2320
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1250 #ifdef HAVE_SANDBOX |
2330 | 1251 luaV_checksandbox(L); |
2320
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1252 #endif |
2330 | 1253 ml_replace(l, luaV_toline(L, -1), TRUE); |
1254 changed_bytes(l, 0); | |
1255 lua_pop(L, 1); /* result from luaV_toline */ | |
1256 } | |
1257 lua_pop(L, 1); /* line */ | |
2320
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1258 } |
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1259 lua_pop(L, 1); /* function */ |
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1260 check_cursor(); |
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1261 update_screen(NOT_VALID); |
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1262 } |
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1263 |
2330 | 1264 void |
1265 ex_luafile(exarg_T *eap) | |
1266 { | |
1267 if (lua_init() == FAIL) | |
1268 return; | |
1269 if (!eap->skip) | |
1270 { | |
1271 luaV_setrange(L, eap->line1, eap->line2); | |
1272 if (luaL_loadfile(L, (char *) eap->arg) || lua_pcall(L, 0, 0, 0)) | |
1273 luaV_emsg(L); | |
2320
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1274 } |
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1275 } |
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1276 |
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1277 /* buffer */ |
2330 | 1278 void |
1279 lua_buffer_free(buf_T *buf) | |
1280 { | |
2543
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1281 if (!lua_is_open()) return; |
2320
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1282 luaV_getfield(L, LUAVIM_FREE); |
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1283 lua_pushlightuserdata(L, (void *) buf); |
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1284 lua_call(L, 1, 0); |
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1285 } |
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1286 |
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1287 /* window */ |
2330 | 1288 void |
1289 lua_window_free(win_T *win) | |
1290 { | |
2543
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1291 if (!lua_is_open()) return; |
2320
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1292 luaV_getfield(L, LUAVIM_FREE); |
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1293 lua_pushlightuserdata(L, (void *) win); |
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1294 lua_call(L, 1, 0); |
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1295 } |
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1296 |
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1297 #endif |