Mercurial > vim
annotate src/if_lua.c @ 6999:dc1b678f0e4e v7.4.817
patch 7.4.817
Problem: Invalid memory access in file_pat_to_reg_pat().
Solution: Use vim_isspace() instead of checking for a space only. (Dominique
Pelle)
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Tue, 11 Aug 2015 16:20:05 +0200 |
| parents | 1e621b31948b |
| children | 42717d048817 |
| rev | line source |
|---|---|
| 3450 | 1 /* vi:set ts=8 sts=4 sw=4 noet: |
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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" |
| 3450 | 24 #define LUAVIM_EVALNAME "luaeval" |
| 25 #define LUAVIM_EVALHEADER "local _A=select(1,...) return " | |
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26 |
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27 typedef buf_T *luaV_Buffer; |
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28 typedef win_T *luaV_Window; |
| 3450 | 29 typedef dict_T *luaV_Dict; |
| 30 typedef list_T *luaV_List; | |
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31 typedef void (*msgfunc_T)(char_u *); |
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32 |
| 3450 | 33 static const char LUAVIM_DICT[] = "dict"; |
| 34 static const char LUAVIM_LIST[] = "list"; | |
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35 static const char LUAVIM_BUFFER[] = "buffer"; |
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36 static const char LUAVIM_WINDOW[] = "window"; |
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37 static const char LUAVIM_FREE[] = "luaV_free"; |
| 3450 | 38 static const char LUAVIM_LUAEVAL[] = "luaV_luaeval"; |
| 39 static const char LUAVIM_SETREF[] = "luaV_setref"; | |
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40 |
| 3450 | 41 /* most functions are closures with a cache table as first upvalue; |
| 42 * get/setudata manage references to vim userdata in cache table through | |
| 43 * object pointers (light userdata) */ | |
| 44 #define luaV_getudata(L, v) \ | |
| 45 lua_pushlightuserdata((L), (void *) (v)); \ | |
| 46 lua_rawget((L), lua_upvalueindex(1)) | |
| 47 #define luaV_setudata(L, v) \ | |
| 48 lua_pushlightuserdata((L), (void *) (v)); \ | |
| 49 lua_pushvalue((L), -2); \ | |
| 50 lua_rawset((L), lua_upvalueindex(1)) | |
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51 #define luaV_getfield(L, s) \ |
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52 lua_pushlightuserdata((L), (void *)(s)); \ |
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53 lua_rawget((L), LUA_REGISTRYINDEX) |
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54 #define luaV_checksandbox(L) \ |
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55 if (sandbox) luaL_error((L), "not allowed in sandbox") |
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56 #define luaV_msg(L) luaV_msgfunc((L), (msgfunc_T) msg) |
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57 #define luaV_emsg(L) luaV_msgfunc((L), (msgfunc_T) emsg) |
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58 |
| 3450 | 59 static luaV_List *luaV_pushlist (lua_State *L, list_T *lis); |
| 60 static luaV_Dict *luaV_pushdict (lua_State *L, dict_T *dic); | |
| 61 | |
| 62 #if LUA_VERSION_NUM <= 501 | |
| 63 #define luaV_openlib(L, l, n) luaL_openlib(L, NULL, l, n) | |
| 64 #define luaL_typeerror luaL_typerror | |
| 65 #else | |
| 66 #define luaV_openlib luaL_setfuncs | |
| 67 #endif | |
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68 |
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69 #ifdef DYNAMIC_LUA |
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70 |
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71 #ifndef WIN3264 |
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72 # include <dlfcn.h> |
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73 # define HANDLE void* |
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74 # define load_dll(n) dlopen((n), RTLD_LAZY|RTLD_GLOBAL) |
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75 # define symbol_from_dll dlsym |
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76 # define close_dll dlclose |
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77 #else |
| 2612 | 78 # define load_dll vimLoadLib |
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79 # define symbol_from_dll GetProcAddress |
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80 # define close_dll FreeLibrary |
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81 #endif |
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82 |
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83 /* lauxlib */ |
| 3450 | 84 #if LUA_VERSION_NUM <= 501 |
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85 #define luaL_register dll_luaL_register |
| 3450 | 86 #define luaL_prepbuffer dll_luaL_prepbuffer |
| 87 #define luaL_openlib dll_luaL_openlib | |
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88 #define luaL_typerror dll_luaL_typerror |
| 3450 | 89 #define luaL_loadfile dll_luaL_loadfile |
| 90 #define luaL_loadbuffer dll_luaL_loadbuffer | |
| 91 #else | |
| 92 #define luaL_prepbuffsize dll_luaL_prepbuffsize | |
| 93 #define luaL_setfuncs dll_luaL_setfuncs | |
| 94 #define luaL_loadfilex dll_luaL_loadfilex | |
| 95 #define luaL_loadbufferx dll_luaL_loadbufferx | |
| 96 #define luaL_argerror dll_luaL_argerror | |
| 97 #endif | |
| 3459 | 98 #define luaL_checkany dll_luaL_checkany |
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99 #define luaL_checklstring dll_luaL_checklstring |
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100 #define luaL_checkinteger dll_luaL_checkinteger |
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101 #define luaL_optinteger dll_luaL_optinteger |
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102 #define luaL_checktype dll_luaL_checktype |
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103 #define luaL_error dll_luaL_error |
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104 #define luaL_newstate dll_luaL_newstate |
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105 #define luaL_buffinit dll_luaL_buffinit |
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106 #define luaL_addlstring dll_luaL_addlstring |
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107 #define luaL_pushresult dll_luaL_pushresult |
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108 /* lua */ |
| 3450 | 109 #if LUA_VERSION_NUM <= 501 |
| 110 #define lua_tonumber dll_lua_tonumber | |
| 111 #define lua_tointeger dll_lua_tointeger | |
| 112 #define lua_call dll_lua_call | |
| 113 #define lua_pcall dll_lua_pcall | |
| 114 #else | |
| 115 #define lua_tonumberx dll_lua_tonumberx | |
| 116 #define lua_tointegerx dll_lua_tointegerx | |
| 117 #define lua_callk dll_lua_callk | |
| 118 #define lua_pcallk dll_lua_pcallk | |
| 119 #define lua_getglobal dll_lua_getglobal | |
| 120 #define lua_setglobal dll_lua_setglobal | |
| 3459 | 121 #endif |
| 6887 | 122 #if LUA_VERSION_NUM <= 502 |
| 123 #define lua_replace dll_lua_replace | |
| 124 #define lua_remove dll_lua_remove | |
| 125 #endif | |
| 126 #if LUA_VERSION_NUM >= 503 | |
| 127 #define lua_rotate dll_lua_rotate | |
| 128 #define lua_copy dll_lua_copy | |
| 129 #endif | |
| 3450 | 130 #define lua_typename dll_lua_typename |
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131 #define lua_close dll_lua_close |
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132 #define lua_gettop dll_lua_gettop |
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133 #define lua_settop dll_lua_settop |
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134 #define lua_pushvalue dll_lua_pushvalue |
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135 #define lua_isnumber dll_lua_isnumber |
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136 #define lua_isstring dll_lua_isstring |
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137 #define lua_type dll_lua_type |
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138 #define lua_rawequal dll_lua_rawequal |
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139 #define lua_toboolean dll_lua_toboolean |
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140 #define lua_tolstring dll_lua_tolstring |
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141 #define lua_touserdata dll_lua_touserdata |
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142 #define lua_pushnil dll_lua_pushnil |
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143 #define lua_pushnumber dll_lua_pushnumber |
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144 #define lua_pushinteger dll_lua_pushinteger |
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145 #define lua_pushlstring dll_lua_pushlstring |
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146 #define lua_pushstring dll_lua_pushstring |
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147 #define lua_pushfstring dll_lua_pushfstring |
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148 #define lua_pushcclosure dll_lua_pushcclosure |
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149 #define lua_pushboolean dll_lua_pushboolean |
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150 #define lua_pushlightuserdata dll_lua_pushlightuserdata |
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151 #define lua_getfield dll_lua_getfield |
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152 #define lua_rawget dll_lua_rawget |
| 3450 | 153 #define lua_rawgeti dll_lua_rawgeti |
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154 #define lua_createtable dll_lua_createtable |
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155 #define lua_newuserdata dll_lua_newuserdata |
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156 #define lua_getmetatable dll_lua_getmetatable |
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157 #define lua_setfield dll_lua_setfield |
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158 #define lua_rawset dll_lua_rawset |
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159 #define lua_rawseti dll_lua_rawseti |
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160 #define lua_setmetatable dll_lua_setmetatable |
| 3459 | 161 #define lua_next dll_lua_next |
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162 /* libs */ |
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163 #define luaopen_base dll_luaopen_base |
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164 #define luaopen_table dll_luaopen_table |
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165 #define luaopen_string dll_luaopen_string |
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166 #define luaopen_math dll_luaopen_math |
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167 #define luaopen_io dll_luaopen_io |
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168 #define luaopen_os dll_luaopen_os |
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169 #define luaopen_package dll_luaopen_package |
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170 #define luaopen_debug dll_luaopen_debug |
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171 #define luaL_openlibs dll_luaL_openlibs |
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172 |
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173 /* lauxlib */ |
| 3450 | 174 #if LUA_VERSION_NUM <= 501 |
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175 void (*dll_luaL_register) (lua_State *L, const char *libname, const luaL_Reg *l); |
| 3450 | 176 char *(*dll_luaL_prepbuffer) (luaL_Buffer *B); |
| 177 void (*dll_luaL_openlib) (lua_State *L, const char *libname, const luaL_Reg *l, int nup); | |
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178 int (*dll_luaL_typerror) (lua_State *L, int narg, const char *tname); |
| 3450 | 179 int (*dll_luaL_loadfile) (lua_State *L, const char *filename); |
| 180 int (*dll_luaL_loadbuffer) (lua_State *L, const char *buff, size_t sz, const char *name); | |
| 181 #else | |
| 182 char *(*dll_luaL_prepbuffsize) (luaL_Buffer *B, size_t sz); | |
| 183 void (*dll_luaL_setfuncs) (lua_State *L, const luaL_Reg *l, int nup); | |
| 184 int (*dll_luaL_loadfilex) (lua_State *L, const char *filename, const char *mode); | |
| 185 int (*dll_luaL_loadbufferx) (lua_State *L, const char *buff, size_t sz, const char *name, const char *mode); | |
| 186 int (*dll_luaL_argerror) (lua_State *L, int numarg, const char *extramsg); | |
| 187 #endif | |
| 3459 | 188 void (*dll_luaL_checkany) (lua_State *L, int narg); |
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189 const char *(*dll_luaL_checklstring) (lua_State *L, int numArg, size_t *l); |
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190 lua_Integer (*dll_luaL_checkinteger) (lua_State *L, int numArg); |
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191 lua_Integer (*dll_luaL_optinteger) (lua_State *L, int nArg, lua_Integer def); |
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192 void (*dll_luaL_checktype) (lua_State *L, int narg, int t); |
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193 int (*dll_luaL_error) (lua_State *L, const char *fmt, ...); |
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194 lua_State *(*dll_luaL_newstate) (void); |
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195 void (*dll_luaL_buffinit) (lua_State *L, luaL_Buffer *B); |
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196 void (*dll_luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l); |
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197 void (*dll_luaL_pushresult) (luaL_Buffer *B); |
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198 /* lua */ |
| 3450 | 199 #if LUA_VERSION_NUM <= 501 |
| 200 lua_Number (*dll_lua_tonumber) (lua_State *L, int idx); | |
| 201 lua_Integer (*dll_lua_tointeger) (lua_State *L, int idx); | |
| 202 void (*dll_lua_call) (lua_State *L, int nargs, int nresults); | |
| 203 int (*dll_lua_pcall) (lua_State *L, int nargs, int nresults, int errfunc); | |
| 204 #else | |
| 205 lua_Number (*dll_lua_tonumberx) (lua_State *L, int idx, int *isnum); | |
| 206 lua_Integer (*dll_lua_tointegerx) (lua_State *L, int idx, int *isnum); | |
| 207 void (*dll_lua_callk) (lua_State *L, int nargs, int nresults, int ctx, | |
| 3618 | 208 lua_CFunction k); |
| 3450 | 209 int (*dll_lua_pcallk) (lua_State *L, int nargs, int nresults, int errfunc, |
| 3618 | 210 int ctx, lua_CFunction k); |
| 3450 | 211 void (*dll_lua_getglobal) (lua_State *L, const char *var); |
| 212 void (*dll_lua_setglobal) (lua_State *L, const char *var); | |
| 6887 | 213 #endif |
| 214 #if LUA_VERSION_NUM <= 502 | |
| 215 void (*dll_lua_replace) (lua_State *L, int idx); | |
| 216 void (*dll_lua_remove) (lua_State *L, int idx); | |
| 217 #endif | |
| 218 #if LUA_VERSION_NUM >= 503 | |
| 219 void (*dll_lua_rotate) (lua_State *L, int idx, int n); | |
| 6878 | 220 void (*dll_lua_copy) (lua_State *L, int fromidx, int toidx); |
| 3459 | 221 #endif |
| 3450 | 222 const char *(*dll_lua_typename) (lua_State *L, int tp); |
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223 void (*dll_lua_close) (lua_State *L); |
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224 int (*dll_lua_gettop) (lua_State *L); |
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225 void (*dll_lua_settop) (lua_State *L, int idx); |
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226 void (*dll_lua_pushvalue) (lua_State *L, int idx); |
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227 int (*dll_lua_isnumber) (lua_State *L, int idx); |
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228 int (*dll_lua_isstring) (lua_State *L, int idx); |
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229 int (*dll_lua_type) (lua_State *L, int idx); |
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230 int (*dll_lua_rawequal) (lua_State *L, int idx1, int idx2); |
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231 int (*dll_lua_toboolean) (lua_State *L, int idx); |
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232 const char *(*dll_lua_tolstring) (lua_State *L, int idx, size_t *len); |
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233 void *(*dll_lua_touserdata) (lua_State *L, int idx); |
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234 void (*dll_lua_pushnil) (lua_State *L); |
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235 void (*dll_lua_pushnumber) (lua_State *L, lua_Number n); |
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236 void (*dll_lua_pushinteger) (lua_State *L, lua_Integer n); |
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237 void (*dll_lua_pushlstring) (lua_State *L, const char *s, size_t l); |
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238 void (*dll_lua_pushstring) (lua_State *L, const char *s); |
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239 const char *(*dll_lua_pushfstring) (lua_State *L, const char *fmt, ...); |
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240 void (*dll_lua_pushcclosure) (lua_State *L, lua_CFunction fn, int n); |
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241 void (*dll_lua_pushboolean) (lua_State *L, int b); |
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242 void (*dll_lua_pushlightuserdata) (lua_State *L, void *p); |
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243 void (*dll_lua_getfield) (lua_State *L, int idx, const char *k); |
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244 void (*dll_lua_rawget) (lua_State *L, int idx); |
| 3450 | 245 void (*dll_lua_rawgeti) (lua_State *L, int idx, int n); |
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246 void (*dll_lua_createtable) (lua_State *L, int narr, int nrec); |
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247 void *(*dll_lua_newuserdata) (lua_State *L, size_t sz); |
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248 int (*dll_lua_getmetatable) (lua_State *L, int objindex); |
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249 void (*dll_lua_setfield) (lua_State *L, int idx, const char *k); |
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250 void (*dll_lua_rawset) (lua_State *L, int idx); |
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251 void (*dll_lua_rawseti) (lua_State *L, int idx, int n); |
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252 int (*dll_lua_setmetatable) (lua_State *L, int objindex); |
| 3459 | 253 int (*dll_lua_next) (lua_State *L, int idx); |
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254 /* libs */ |
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255 int (*dll_luaopen_base) (lua_State *L); |
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256 int (*dll_luaopen_table) (lua_State *L); |
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257 int (*dll_luaopen_string) (lua_State *L); |
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258 int (*dll_luaopen_math) (lua_State *L); |
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259 int (*dll_luaopen_io) (lua_State *L); |
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260 int (*dll_luaopen_os) (lua_State *L); |
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261 int (*dll_luaopen_package) (lua_State *L); |
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262 int (*dll_luaopen_debug) (lua_State *L); |
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263 void (*dll_luaL_openlibs) (lua_State *L); |
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264 |
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265 typedef void **luaV_function; |
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266 typedef struct { |
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267 const char *name; |
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268 luaV_function func; |
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269 } luaV_Reg; |
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270 |
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271 static const luaV_Reg luaV_dll[] = { |
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272 /* lauxlib */ |
| 3450 | 273 #if LUA_VERSION_NUM <= 501 |
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274 {"luaL_register", (luaV_function) &dll_luaL_register}, |
| 3450 | 275 {"luaL_prepbuffer", (luaV_function) &dll_luaL_prepbuffer}, |
| 276 {"luaL_openlib", (luaV_function) &dll_luaL_openlib}, | |
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277 {"luaL_typerror", (luaV_function) &dll_luaL_typerror}, |
| 3450 | 278 {"luaL_loadfile", (luaV_function) &dll_luaL_loadfile}, |
| 279 {"luaL_loadbuffer", (luaV_function) &dll_luaL_loadbuffer}, | |
| 280 #else | |
| 281 {"luaL_prepbuffsize", (luaV_function) &dll_luaL_prepbuffsize}, | |
| 282 {"luaL_setfuncs", (luaV_function) &dll_luaL_setfuncs}, | |
| 283 {"luaL_loadfilex", (luaV_function) &dll_luaL_loadfilex}, | |
| 284 {"luaL_loadbufferx", (luaV_function) &dll_luaL_loadbufferx}, | |
| 285 {"luaL_argerror", (luaV_function) &dll_luaL_argerror}, | |
| 286 #endif | |
| 3459 | 287 {"luaL_checkany", (luaV_function) &dll_luaL_checkany}, |
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288 {"luaL_checklstring", (luaV_function) &dll_luaL_checklstring}, |
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289 {"luaL_checkinteger", (luaV_function) &dll_luaL_checkinteger}, |
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290 {"luaL_optinteger", (luaV_function) &dll_luaL_optinteger}, |
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291 {"luaL_checktype", (luaV_function) &dll_luaL_checktype}, |
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292 {"luaL_error", (luaV_function) &dll_luaL_error}, |
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293 {"luaL_newstate", (luaV_function) &dll_luaL_newstate}, |
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294 {"luaL_buffinit", (luaV_function) &dll_luaL_buffinit}, |
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295 {"luaL_addlstring", (luaV_function) &dll_luaL_addlstring}, |
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296 {"luaL_pushresult", (luaV_function) &dll_luaL_pushresult}, |
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297 /* lua */ |
| 3450 | 298 #if LUA_VERSION_NUM <= 501 |
| 299 {"lua_tonumber", (luaV_function) &dll_lua_tonumber}, | |
| 300 {"lua_tointeger", (luaV_function) &dll_lua_tointeger}, | |
| 301 {"lua_call", (luaV_function) &dll_lua_call}, | |
| 302 {"lua_pcall", (luaV_function) &dll_lua_pcall}, | |
| 303 #else | |
| 304 {"lua_tonumberx", (luaV_function) &dll_lua_tonumberx}, | |
| 305 {"lua_tointegerx", (luaV_function) &dll_lua_tointegerx}, | |
| 306 {"lua_callk", (luaV_function) &dll_lua_callk}, | |
| 307 {"lua_pcallk", (luaV_function) &dll_lua_pcallk}, | |
| 308 {"lua_getglobal", (luaV_function) &dll_lua_getglobal}, | |
| 309 {"lua_setglobal", (luaV_function) &dll_lua_setglobal}, | |
| 3459 | 310 #endif |
| 6887 | 311 #if LUA_VERSION_NUM <= 502 |
| 312 {"lua_replace", (luaV_function) &dll_lua_replace}, | |
| 313 {"lua_remove", (luaV_function) &dll_lua_remove}, | |
| 314 #endif | |
| 315 #if LUA_VERSION_NUM >= 503 | |
| 316 {"lua_rotate", (luaV_function) &dll_lua_rotate}, | |
| 317 {"lua_copy", (luaV_function) &dll_lua_copy}, | |
| 318 #endif | |
| 3450 | 319 {"lua_typename", (luaV_function) &dll_lua_typename}, |
|
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320 {"lua_close", (luaV_function) &dll_lua_close}, |
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321 {"lua_gettop", (luaV_function) &dll_lua_gettop}, |
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322 {"lua_settop", (luaV_function) &dll_lua_settop}, |
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323 {"lua_pushvalue", (luaV_function) &dll_lua_pushvalue}, |
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324 {"lua_isnumber", (luaV_function) &dll_lua_isnumber}, |
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325 {"lua_isstring", (luaV_function) &dll_lua_isstring}, |
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326 {"lua_type", (luaV_function) &dll_lua_type}, |
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327 {"lua_rawequal", (luaV_function) &dll_lua_rawequal}, |
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328 {"lua_toboolean", (luaV_function) &dll_lua_toboolean}, |
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329 {"lua_tolstring", (luaV_function) &dll_lua_tolstring}, |
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330 {"lua_touserdata", (luaV_function) &dll_lua_touserdata}, |
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331 {"lua_pushnil", (luaV_function) &dll_lua_pushnil}, |
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332 {"lua_pushnumber", (luaV_function) &dll_lua_pushnumber}, |
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333 {"lua_pushinteger", (luaV_function) &dll_lua_pushinteger}, |
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334 {"lua_pushlstring", (luaV_function) &dll_lua_pushlstring}, |
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335 {"lua_pushstring", (luaV_function) &dll_lua_pushstring}, |
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336 {"lua_pushfstring", (luaV_function) &dll_lua_pushfstring}, |
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337 {"lua_pushcclosure", (luaV_function) &dll_lua_pushcclosure}, |
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338 {"lua_pushboolean", (luaV_function) &dll_lua_pushboolean}, |
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339 {"lua_pushlightuserdata", (luaV_function) &dll_lua_pushlightuserdata}, |
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340 {"lua_getfield", (luaV_function) &dll_lua_getfield}, |
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341 {"lua_rawget", (luaV_function) &dll_lua_rawget}, |
| 3450 | 342 {"lua_rawgeti", (luaV_function) &dll_lua_rawgeti}, |
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343 {"lua_createtable", (luaV_function) &dll_lua_createtable}, |
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344 {"lua_newuserdata", (luaV_function) &dll_lua_newuserdata}, |
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345 {"lua_getmetatable", (luaV_function) &dll_lua_getmetatable}, |
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346 {"lua_setfield", (luaV_function) &dll_lua_setfield}, |
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347 {"lua_rawset", (luaV_function) &dll_lua_rawset}, |
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348 {"lua_rawseti", (luaV_function) &dll_lua_rawseti}, |
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349 {"lua_setmetatable", (luaV_function) &dll_lua_setmetatable}, |
| 3459 | 350 {"lua_next", (luaV_function) &dll_lua_next}, |
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351 /* libs */ |
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352 {"luaopen_base", (luaV_function) &dll_luaopen_base}, |
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353 {"luaopen_table", (luaV_function) &dll_luaopen_table}, |
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354 {"luaopen_string", (luaV_function) &dll_luaopen_string}, |
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355 {"luaopen_math", (luaV_function) &dll_luaopen_math}, |
|
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356 {"luaopen_io", (luaV_function) &dll_luaopen_io}, |
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357 {"luaopen_os", (luaV_function) &dll_luaopen_os}, |
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358 {"luaopen_package", (luaV_function) &dll_luaopen_package}, |
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359 {"luaopen_debug", (luaV_function) &dll_luaopen_debug}, |
|
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360 {"luaL_openlibs", (luaV_function) &dll_luaL_openlibs}, |
|
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361 {NULL, NULL} |
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362 }; |
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363 |
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364 static HANDLE hinstLua = NULL; |
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365 |
| 2330 | 366 static void |
| 367 end_dynamic_lua(void) | |
| 368 { | |
| 369 if (hinstLua) | |
| 370 { | |
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371 close_dll(hinstLua); |
| 2330 | 372 hinstLua = 0; |
|
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373 } |
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374 } |
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375 |
| 2330 | 376 static int |
| 377 lua_link_init(char *libname, int verbose) | |
| 378 { | |
|
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379 const luaV_Reg *reg; |
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380 if (hinstLua) return OK; |
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381 hinstLua = load_dll(libname); |
| 2330 | 382 if (!hinstLua) |
| 383 { | |
| 384 if (verbose) | |
| 385 EMSG2(_(e_loadlib), libname); | |
| 386 return FAIL; | |
|
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387 } |
| 2330 | 388 for (reg = luaV_dll; reg->func; reg++) |
| 389 { | |
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390 if ((*reg->func = symbol_from_dll(hinstLua, reg->name)) == NULL) |
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391 { |
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392 close_dll(hinstLua); |
| 2330 | 393 hinstLua = 0; |
| 394 if (verbose) | |
| 395 EMSG2(_(e_loadfunc), reg->name); | |
| 396 return FAIL; | |
| 397 } | |
|
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398 } |
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399 return OK; |
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400 } |
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401 |
| 2330 | 402 int |
| 403 lua_enabled(int verbose) | |
| 404 { | |
|
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405 return lua_link_init(DYNAMIC_LUA_DLL, verbose) == OK; |
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406 } |
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407 |
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408 #endif /* DYNAMIC_LUA */ |
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409 |
| 3450 | 410 #if LUA_VERSION_NUM > 501 |
| 411 static int | |
| 412 luaL_typeerror (lua_State *L, int narg, const char *tname) | |
| 413 { | |
| 414 const char *msg = lua_pushfstring(L, "%s expected, got %s", | |
| 3618 | 415 tname, luaL_typename(L, narg)); |
| 3450 | 416 return luaL_argerror(L, narg, msg); |
| 417 } | |
| 418 #endif | |
| 419 | |
|
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420 |
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421 /* ======= Internal ======= */ |
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422 |
| 2330 | 423 static void |
| 424 luaV_newmetatable(lua_State *L, const char *tname) | |
| 425 { | |
|
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426 lua_newtable(L); |
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427 lua_pushlightuserdata(L, (void *) tname); |
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428 lua_pushvalue(L, -2); |
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429 lua_rawset(L, LUA_REGISTRYINDEX); |
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430 } |
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431 |
| 2330 | 432 static void * |
| 433 luaV_toudata(lua_State *L, int ud, const char *tname) | |
| 434 { | |
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435 void *p = lua_touserdata(L, ud); |
| 2330 | 436 |
| 437 if (p != NULL) /* value is userdata? */ | |
| 438 { | |
| 439 if (lua_getmetatable(L, ud)) /* does it have a metatable? */ | |
| 440 { | |
| 441 luaV_getfield(L, tname); /* get metatable */ | |
| 442 if (lua_rawequal(L, -1, -2)) /* MTs match? */ | |
| 443 { | |
| 444 lua_pop(L, 2); /* MTs */ | |
| 445 return p; | |
| 446 } | |
| 447 } | |
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448 } |
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449 return NULL; |
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450 } |
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451 |
| 2330 | 452 static void * |
| 3450 | 453 luaV_checkcache(lua_State *L, void *p) |
| 454 { | |
| 455 luaV_getudata(L, p); | |
| 456 if (lua_isnil(L, -1)) luaL_error(L, "invalid object"); | |
| 457 lua_pop(L, 1); | |
| 458 return p; | |
| 459 } | |
| 460 | |
| 461 #define luaV_unbox(L,luatyp,ud) (*((luatyp *) lua_touserdata((L),(ud)))) | |
| 462 | |
| 463 #define luaV_checkvalid(L,luatyp,ud) \ | |
| 464 luaV_checkcache((L), (void *) luaV_unbox((L),luatyp,(ud))) | |
| 465 | |
| 466 static void * | |
| 2330 | 467 luaV_checkudata(lua_State *L, int ud, const char *tname) |
| 468 { | |
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469 void *p = luaV_toudata(L, ud, tname); |
| 3450 | 470 if (p == NULL) luaL_typeerror(L, ud, tname); |
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471 return p; |
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472 } |
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473 |
| 2330 | 474 static void |
| 475 luaV_pushtypval(lua_State *L, typval_T *tv) | |
| 476 { | |
| 3450 | 477 if (tv == NULL) |
| 478 { | |
| 479 lua_pushnil(L); | |
| 480 return; | |
| 481 } | |
| 2330 | 482 switch (tv->v_type) |
| 483 { | |
| 484 case VAR_STRING: | |
| 3865 | 485 lua_pushstring(L, tv->vval.v_string == NULL |
| 486 ? "" : (char *)tv->vval.v_string); | |
| 2330 | 487 break; |
| 488 case VAR_NUMBER: | |
| 489 lua_pushinteger(L, (int) tv->vval.v_number); | |
| 490 break; | |
|
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491 #ifdef FEAT_FLOAT |
| 2330 | 492 case VAR_FLOAT: |
| 493 lua_pushnumber(L, (lua_Number) tv->vval.v_float); | |
| 494 break; | |
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495 #endif |
| 3450 | 496 case VAR_LIST: |
| 497 luaV_pushlist(L, tv->vval.v_list); | |
| 498 break; | |
| 499 case VAR_DICT: | |
| 500 luaV_pushdict(L, tv->vval.v_dict); | |
| 501 break; | |
| 502 default: | |
| 503 lua_pushnil(L); | |
| 504 } | |
| 505 } | |
| 2330 | 506 |
| 3450 | 507 /* converts lua value at 'pos' to typval 'tv' */ |
| 508 static void | |
| 509 luaV_totypval (lua_State *L, int pos, typval_T *tv) | |
| 510 { | |
| 511 switch(lua_type(L, pos)) { | |
| 512 case LUA_TBOOLEAN: | |
| 513 tv->v_type = VAR_NUMBER; | |
| 514 tv->vval.v_number = (varnumber_T) lua_toboolean(L, pos); | |
| 515 break; | |
| 516 case LUA_TSTRING: | |
| 517 tv->v_type = VAR_STRING; | |
| 518 tv->vval.v_string = vim_strsave((char_u *) lua_tostring(L, pos)); | |
| 2330 | 519 break; |
| 3450 | 520 case LUA_TNUMBER: |
| 521 #ifdef FEAT_FLOAT | |
| 522 tv->v_type = VAR_FLOAT; | |
| 523 tv->vval.v_float = (float_T) lua_tonumber(L, pos); | |
| 524 #else | |
| 525 tv->v_type = VAR_NUMBER; | |
| 526 tv->vval.v_number = (varnumber_T) lua_tointeger(L, pos); | |
| 527 #endif | |
| 528 break; | |
| 529 case LUA_TUSERDATA: { | |
| 530 void *p = lua_touserdata(L, pos); | |
| 531 if (lua_getmetatable(L, pos)) /* has metatable? */ | |
| 2330 | 532 { |
| 3450 | 533 /* check list */ |
| 534 luaV_getfield(L, LUAVIM_LIST); | |
| 535 if (lua_rawequal(L, -1, -2)) | |
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536 { |
| 3450 | 537 tv->v_type = VAR_LIST; |
| 538 tv->vval.v_list = *((luaV_List *) p); | |
| 539 ++tv->vval.v_list->lv_refcount; | |
| 540 lua_pop(L, 2); /* MTs */ | |
| 541 return; | |
| 2330 | 542 } |
| 3450 | 543 /* check dict */ |
| 544 luaV_getfield(L, LUAVIM_DICT); | |
| 545 if (lua_rawequal(L, -1, -3)) | |
| 546 { | |
| 547 tv->v_type = VAR_DICT; | |
| 548 tv->vval.v_dict = *((luaV_Dict *) p); | |
| 549 ++tv->vval.v_dict->dv_refcount; | |
| 550 lua_pop(L, 3); /* MTs */ | |
| 551 return; | |
| 552 } | |
| 553 lua_pop(L, 3); /* MTs */ | |
| 2330 | 554 } |
| 555 break; | |
| 556 } | |
| 557 default: | |
| 3450 | 558 tv->v_type = VAR_NUMBER; |
| 559 tv->vval.v_number = 0; | |
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560 } |
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561 } |
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562 |
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563 /* similar to luaL_addlstring, but replaces \0 with \n if toline and |
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564 * \n with \0 otherwise */ |
| 2330 | 565 static void |
| 566 luaV_addlstring(luaL_Buffer *b, const char *s, size_t l, int toline) | |
| 567 { | |
| 568 while (l--) | |
| 569 { | |
| 570 if (*s == '\0' && toline) | |
| 571 luaL_addchar(b, '\n'); | |
| 572 else if (*s == '\n' && !toline) | |
| 573 luaL_addchar(b, '\0'); | |
| 574 else | |
| 575 luaL_addchar(b, *s); | |
| 576 s++; | |
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577 } |
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578 } |
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579 |
| 2330 | 580 static void |
| 581 luaV_pushline(lua_State *L, buf_T *buf, linenr_T n) | |
| 582 { | |
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583 const char *s = (const char *) ml_get_buf(buf, n, FALSE); |
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584 luaL_Buffer b; |
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585 luaL_buffinit(L, &b); |
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586 luaV_addlstring(&b, s, strlen(s), 0); |
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587 luaL_pushresult(&b); |
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588 } |
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589 |
| 2330 | 590 static char_u * |
| 591 luaV_toline(lua_State *L, int pos) | |
| 592 { | |
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593 size_t l; |
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594 const char *s = lua_tolstring(L, pos, &l); |
| 2330 | 595 |
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596 luaL_Buffer b; |
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597 luaL_buffinit(L, &b); |
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598 luaV_addlstring(&b, s, l, 1); |
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599 luaL_pushresult(&b); |
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600 return (char_u *) lua_tostring(L, -1); |
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601 } |
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602 |
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603 /* pops a string s from the top of the stack and calls mf(t) for pieces t of |
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604 * s separated by newlines */ |
| 2330 | 605 static void |
| 606 luaV_msgfunc(lua_State *L, msgfunc_T mf) | |
| 607 { | |
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608 luaL_Buffer b; |
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609 size_t l; |
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610 const char *p, *s = lua_tolstring(L, -1, &l); |
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611 luaL_buffinit(L, &b); |
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612 luaV_addlstring(&b, s, l, 0); |
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613 luaL_pushresult(&b); |
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614 /* break string */ |
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615 p = s = lua_tolstring(L, -1, &l); |
| 2330 | 616 while (l--) |
| 617 { | |
| 618 if (*p++ == '\0') /* break? */ | |
| 619 { | |
| 620 mf((char_u *) s); | |
| 621 s = p; | |
| 622 } | |
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623 } |
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624 mf((char_u *) s); |
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625 lua_pop(L, 2); /* original and modified strings */ |
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626 } |
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627 |
| 3450 | 628 #define luaV_newtype(typ,tname,luatyp,luatname) \ |
| 629 static luatyp * \ | |
| 630 luaV_new##tname (lua_State *L, typ *obj) \ | |
| 631 { \ | |
| 632 luatyp *o = (luatyp *) lua_newuserdata(L, sizeof(luatyp)); \ | |
| 633 *o = obj; \ | |
| 634 luaV_setudata(L, obj); /* cache[obj] = udata */ \ | |
| 635 luaV_getfield(L, luatname); \ | |
| 636 lua_setmetatable(L, -2); \ | |
| 637 return o; \ | |
| 638 } | |
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639 |
| 3450 | 640 #define luaV_pushtype(typ,tname,luatyp) \ |
| 641 static luatyp * \ | |
| 642 luaV_push##tname (lua_State *L, typ *obj) \ | |
| 643 { \ | |
| 644 luatyp *o = NULL; \ | |
| 645 if (obj == NULL) \ | |
| 646 lua_pushnil(L); \ | |
| 647 else { \ | |
| 648 luaV_getudata(L, obj); \ | |
| 649 if (lua_isnil(L, -1)) /* not interned? */ \ | |
| 650 { \ | |
| 651 lua_pop(L, 1); \ | |
| 652 o = luaV_new##tname(L, obj); \ | |
| 653 } \ | |
| 654 else \ | |
| 655 o = (luatyp *) lua_touserdata(L, -1); \ | |
| 656 } \ | |
| 657 return o; \ | |
| 658 } | |
| 659 | |
| 660 #define luaV_type_tostring(tname,luatname) \ | |
| 661 static int \ | |
| 662 luaV_##tname##_tostring (lua_State *L) \ | |
| 663 { \ | |
| 664 lua_pushfstring(L, "%s: %p", luatname, lua_touserdata(L, 1)); \ | |
| 665 return 1; \ | |
| 666 } | |
| 667 | |
| 668 /* ======= List type ======= */ | |
| 669 | |
| 670 static luaV_List * | |
| 671 luaV_newlist (lua_State *L, list_T *lis) | |
| 672 { | |
| 673 luaV_List *l = (luaV_List *) lua_newuserdata(L, sizeof(luaV_List)); | |
| 674 *l = lis; | |
| 675 lis->lv_refcount++; /* reference in Lua */ | |
| 676 luaV_setudata(L, lis); /* cache[lis] = udata */ | |
| 677 luaV_getfield(L, LUAVIM_LIST); | |
| 678 lua_setmetatable(L, -2); | |
| 679 return l; | |
| 680 } | |
| 681 | |
| 682 luaV_pushtype(list_T, list, luaV_List) | |
| 683 luaV_type_tostring(list, LUAVIM_LIST) | |
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684 |
| 2330 | 685 static int |
| 3450 | 686 luaV_list_len (lua_State *L) |
| 2330 | 687 { |
| 3450 | 688 list_T *l = luaV_unbox(L, luaV_List, 1); |
| 689 lua_pushinteger(L, (l == NULL) ? 0 : (int) l->lv_len); | |
| 690 return 1; | |
| 691 } | |
| 692 | |
| 693 static int | |
| 694 luaV_list_iter (lua_State *L) | |
| 695 { | |
| 696 listitem_T *li = (listitem_T *) lua_touserdata(L, lua_upvalueindex(2)); | |
| 697 if (li == NULL) return 0; | |
| 698 luaV_pushtypval(L, &li->li_tv); | |
| 699 lua_pushlightuserdata(L, (void *) li->li_next); | |
| 700 lua_replace(L, lua_upvalueindex(2)); | |
| 701 return 1; | |
| 702 } | |
| 703 | |
| 704 static int | |
| 705 luaV_list_call (lua_State *L) | |
| 706 { | |
| 707 list_T *l = luaV_unbox(L, luaV_List, 1); | |
| 708 lua_pushvalue(L, lua_upvalueindex(1)); /* pass cache table along */ | |
| 709 lua_pushlightuserdata(L, (void *) l->lv_first); | |
| 710 lua_pushcclosure(L, luaV_list_iter, 2); | |
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711 return 1; |
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712 } |
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713 |
| 2330 | 714 static int |
| 3450 | 715 luaV_list_index (lua_State *L) |
| 716 { | |
| 717 list_T *l = luaV_unbox(L, luaV_List, 1); | |
| 718 if (lua_isnumber(L, 2)) /* list item? */ | |
| 719 { | |
| 720 listitem_T *li = list_find(l, (long) luaL_checkinteger(L, 2)); | |
| 721 if (li == NULL) | |
| 722 lua_pushnil(L); | |
| 723 else | |
| 724 luaV_pushtypval(L, &li->li_tv); | |
| 725 } | |
| 726 else if (lua_isstring(L, 2)) /* method? */ | |
| 727 { | |
| 728 const char *s = lua_tostring(L, 2); | |
| 729 if (strncmp(s, "add", 3) == 0 | |
| 4293 | 730 || strncmp(s, "insert", 6) == 0) |
| 3450 | 731 { |
| 732 lua_getmetatable(L, 1); | |
| 733 lua_getfield(L, -1, s); | |
| 734 } | |
| 735 else | |
| 736 lua_pushnil(L); | |
| 737 } | |
| 738 else | |
| 739 lua_pushnil(L); | |
| 740 return 1; | |
| 741 } | |
| 742 | |
| 743 static int | |
| 744 luaV_list_newindex (lua_State *L) | |
| 745 { | |
| 746 list_T *l = luaV_unbox(L, luaV_List, 1); | |
| 747 long n = (long) luaL_checkinteger(L, 2); | |
| 748 listitem_T *li; | |
| 749 if (l->lv_lock) | |
| 750 luaL_error(L, "list is locked"); | |
| 751 li = list_find(l, n); | |
| 752 if (li == NULL) return 0; | |
| 753 if (lua_isnil(L, 3)) /* remove? */ | |
| 754 { | |
| 5871 | 755 vimlist_remove(l, li, li); |
| 3450 | 756 clear_tv(&li->li_tv); |
| 757 vim_free(li); | |
| 758 } | |
| 759 else | |
| 760 { | |
| 761 typval_T v; | |
| 762 luaV_totypval(L, 3, &v); | |
| 763 clear_tv(&li->li_tv); | |
| 764 copy_tv(&v, &li->li_tv); | |
| 4293 | 765 clear_tv(&v); |
| 3450 | 766 } |
| 767 return 0; | |
| 768 } | |
| 769 | |
| 770 static int | |
| 771 luaV_list_add (lua_State *L) | |
| 772 { | |
| 773 luaV_List *lis = luaV_checkudata(L, 1, LUAVIM_LIST); | |
| 774 list_T *l = (list_T *) luaV_checkcache(L, (void *) *lis); | |
| 4293 | 775 typval_T v; |
| 3450 | 776 if (l->lv_lock) |
| 777 luaL_error(L, "list is locked"); | |
| 4293 | 778 lua_settop(L, 2); |
| 779 luaV_totypval(L, 2, &v); | |
| 780 if (list_append_tv(l, &v) == FAIL) | |
| 3450 | 781 { |
| 4293 | 782 clear_tv(&v); |
| 783 luaL_error(L, "Failed to add item to list"); | |
| 3450 | 784 } |
| 4293 | 785 clear_tv(&v); |
| 3450 | 786 lua_settop(L, 1); |
| 787 return 1; | |
| 788 } | |
| 789 | |
| 790 static int | |
| 791 luaV_list_insert (lua_State *L) | |
| 792 { | |
| 793 luaV_List *lis = luaV_checkudata(L, 1, LUAVIM_LIST); | |
| 794 list_T *l = (list_T *) luaV_checkcache(L, (void *) *lis); | |
| 6625 | 795 long pos = (long) luaL_optinteger(L, 3, 0); |
| 3450 | 796 listitem_T *li = NULL; |
| 797 typval_T v; | |
| 798 if (l->lv_lock) | |
| 799 luaL_error(L, "list is locked"); | |
| 800 if (pos < l->lv_len) | |
| 801 { | |
| 802 li = list_find(l, pos); | |
| 803 if (li == NULL) | |
| 804 luaL_error(L, "invalid position"); | |
| 805 } | |
| 806 lua_settop(L, 2); | |
| 807 luaV_totypval(L, 2, &v); | |
| 4293 | 808 if (list_insert_tv(l, &v, li) == FAIL) |
| 809 { | |
| 810 clear_tv(&v); | |
| 811 luaL_error(L, "Failed to add item to list"); | |
| 812 } | |
| 813 clear_tv(&v); | |
| 3450 | 814 lua_settop(L, 1); |
| 815 return 1; | |
| 816 } | |
| 817 | |
| 818 static const luaL_Reg luaV_List_mt[] = { | |
| 819 {"__tostring", luaV_list_tostring}, | |
| 820 {"__len", luaV_list_len}, | |
| 821 {"__call", luaV_list_call}, | |
| 822 {"__index", luaV_list_index}, | |
| 823 {"__newindex", luaV_list_newindex}, | |
| 824 {"add", luaV_list_add}, | |
| 825 {"insert", luaV_list_insert}, | |
| 826 {NULL, NULL} | |
| 827 }; | |
| 828 | |
| 829 | |
| 830 /* ======= Dict type ======= */ | |
| 831 | |
| 832 static luaV_Dict * | |
| 833 luaV_newdict (lua_State *L, dict_T *dic) | |
| 834 { | |
| 835 luaV_Dict *d = (luaV_Dict *) lua_newuserdata(L, sizeof(luaV_Dict)); | |
| 836 *d = dic; | |
| 837 dic->dv_refcount++; /* reference in Lua */ | |
| 838 luaV_setudata(L, dic); /* cache[dic] = udata */ | |
| 839 luaV_getfield(L, LUAVIM_DICT); | |
| 840 lua_setmetatable(L, -2); | |
| 841 return d; | |
| 842 } | |
| 843 | |
| 844 luaV_pushtype(dict_T, dict, luaV_Dict) | |
| 845 luaV_type_tostring(dict, LUAVIM_DICT) | |
| 846 | |
| 847 static int | |
| 848 luaV_dict_len (lua_State *L) | |
| 849 { | |
| 850 dict_T *d = luaV_unbox(L, luaV_Dict, 1); | |
| 851 lua_pushinteger(L, (d == NULL) ? 0 : (int) d->dv_hashtab.ht_used); | |
| 852 return 1; | |
| 853 } | |
| 854 | |
| 855 static int | |
| 4135 | 856 luaV_dict_iter (lua_State *L UNUSED) |
| 3450 | 857 { |
| 4135 | 858 #ifdef FEAT_EVAL |
| 3450 | 859 hashitem_T *hi = (hashitem_T *) lua_touserdata(L, lua_upvalueindex(2)); |
| 860 int n = lua_tointeger(L, lua_upvalueindex(3)); | |
| 861 dictitem_T *di; | |
| 862 if (n <= 0) return 0; | |
| 863 while (HASHITEM_EMPTY(hi)) hi++; | |
| 864 di = dict_lookup(hi); | |
| 865 lua_pushstring(L, (char *) hi->hi_key); | |
| 866 luaV_pushtypval(L, &di->di_tv); | |
| 867 lua_pushlightuserdata(L, (void *) (hi + 1)); | |
| 868 lua_replace(L, lua_upvalueindex(2)); | |
| 869 lua_pushinteger(L, n - 1); | |
| 870 lua_replace(L, lua_upvalueindex(3)); | |
| 871 return 2; | |
| 4135 | 872 #else |
| 873 return 0; | |
| 874 #endif | |
| 3450 | 875 } |
| 876 | |
| 877 static int | |
| 878 luaV_dict_call (lua_State *L) | |
| 879 { | |
| 880 dict_T *d = luaV_unbox(L, luaV_Dict, 1); | |
| 881 hashtab_T *ht = &d->dv_hashtab; | |
| 882 lua_pushvalue(L, lua_upvalueindex(1)); /* pass cache table along */ | |
| 883 lua_pushlightuserdata(L, (void *) ht->ht_array); | |
| 884 lua_pushinteger(L, ht->ht_used); /* # remaining items */ | |
| 885 lua_pushcclosure(L, luaV_dict_iter, 3); | |
| 886 return 1; | |
| 887 } | |
| 888 | |
| 889 static int | |
| 890 luaV_dict_index (lua_State *L) | |
| 891 { | |
| 892 dict_T *d = luaV_unbox(L, luaV_Dict, 1); | |
| 893 char_u *key = (char_u *) luaL_checkstring(L, 2); | |
| 894 dictitem_T *di = dict_find(d, key, -1); | |
| 895 if (di == NULL) | |
| 896 lua_pushnil(L); | |
| 897 else | |
| 898 luaV_pushtypval(L, &di->di_tv); | |
| 899 return 1; | |
| 900 } | |
| 901 | |
| 902 static int | |
| 903 luaV_dict_newindex (lua_State *L) | |
| 904 { | |
| 905 dict_T *d = luaV_unbox(L, luaV_Dict, 1); | |
| 906 char_u *key = (char_u *) luaL_checkstring(L, 2); | |
| 907 dictitem_T *di; | |
| 908 if (d->dv_lock) | |
| 909 luaL_error(L, "dict is locked"); | |
| 910 di = dict_find(d, key, -1); | |
| 911 if (di == NULL) /* non-existing key? */ | |
| 912 { | |
| 913 if (lua_isnil(L, 3)) return 0; | |
| 914 di = dictitem_alloc(key); | |
| 915 if (di == NULL) return 0; | |
| 916 if (dict_add(d, di) == FAIL) | |
| 917 { | |
| 918 vim_free(di); | |
| 919 return 0; | |
| 920 } | |
| 921 } | |
| 922 else | |
| 923 clear_tv(&di->di_tv); | |
| 924 if (lua_isnil(L, 3)) /* remove? */ | |
| 925 { | |
| 926 hashitem_T *hi = hash_find(&d->dv_hashtab, di->di_key); | |
| 927 hash_remove(&d->dv_hashtab, hi); | |
| 928 dictitem_free(di); | |
| 929 } | |
| 930 else { | |
| 931 typval_T v; | |
| 932 luaV_totypval(L, 3, &v); | |
| 933 copy_tv(&v, &di->di_tv); | |
| 4293 | 934 clear_tv(&v); |
| 3450 | 935 } |
| 936 return 0; | |
| 937 } | |
| 938 | |
| 939 static const luaL_Reg luaV_Dict_mt[] = { | |
| 940 {"__tostring", luaV_dict_tostring}, | |
| 941 {"__len", luaV_dict_len}, | |
| 942 {"__call", luaV_dict_call}, | |
| 943 {"__index", luaV_dict_index}, | |
| 944 {"__newindex", luaV_dict_newindex}, | |
| 945 {NULL, NULL} | |
| 946 }; | |
| 947 | |
| 948 | |
| 949 /* ======= Buffer type ======= */ | |
| 950 | |
| 951 luaV_newtype(buf_T, buffer, luaV_Buffer, LUAVIM_BUFFER) | |
| 952 luaV_pushtype(buf_T, buffer, luaV_Buffer) | |
| 953 luaV_type_tostring(buffer, LUAVIM_BUFFER) | |
| 954 | |
| 955 static int | |
| 2330 | 956 luaV_buffer_len(lua_State *L) |
| 957 { | |
| 3450 | 958 buf_T *b = (buf_T *) luaV_checkvalid(L, luaV_Buffer, 1); |
| 959 lua_pushinteger(L, b->b_ml.ml_line_count); | |
|
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960 return 1; |
|
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961 } |
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962 |
| 2330 | 963 static int |
| 964 luaV_buffer_call(lua_State *L) | |
| 965 { | |
| 3450 | 966 buf_T *b = (buf_T *) luaV_checkvalid(L, luaV_Buffer, 1); |
|
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967 lua_settop(L, 1); |
| 3450 | 968 set_curbuf(b, DOBUF_SPLIT); |
|
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969 return 1; |
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970 } |
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971 |
| 2330 | 972 static int |
| 973 luaV_buffer_index(lua_State *L) | |
| 974 { | |
| 3450 | 975 buf_T *b = (buf_T *) luaV_checkvalid(L, luaV_Buffer, 1); |
|
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976 linenr_T n = (linenr_T) lua_tointeger(L, 2); |
| 3450 | 977 if (n > 0 && n <= b->b_ml.ml_line_count) |
| 978 luaV_pushline(L, b, n); | |
| 2330 | 979 else if (lua_isstring(L, 2)) |
| 980 { | |
| 981 const char *s = lua_tostring(L, 2); | |
| 982 if (strncmp(s, "name", 4) == 0) | |
| 3450 | 983 lua_pushstring(L, (char *) b->b_sfname); |
| 2330 | 984 else if (strncmp(s, "fname", 5) == 0) |
| 3450 | 985 lua_pushstring(L, (char *) b->b_ffname); |
| 2330 | 986 else if (strncmp(s, "number", 6) == 0) |
| 3450 | 987 lua_pushinteger(L, b->b_fnum); |
| 2330 | 988 /* methods */ |
| 989 else if (strncmp(s, "insert", 6) == 0 | |
| 990 || strncmp(s, "next", 4) == 0 | |
| 991 || strncmp(s, "previous", 8) == 0 | |
| 992 || strncmp(s, "isvalid", 7) == 0) | |
| 993 { | |
| 994 lua_getmetatable(L, 1); | |
| 995 lua_getfield(L, -1, s); | |
| 996 } | |
| 997 else | |
| 998 lua_pushnil(L); | |
|
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999 } |
| 2330 | 1000 else |
| 1001 lua_pushnil(L); | |
|
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1002 return 1; |
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1003 } |
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1004 |
| 2330 | 1005 static int |
| 1006 luaV_buffer_newindex(lua_State *L) | |
| 1007 { | |
| 3450 | 1008 buf_T *b = (buf_T *) luaV_checkvalid(L, luaV_Buffer, 1); |
|
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1009 linenr_T n = (linenr_T) luaL_checkinteger(L, 2); |
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1010 #ifdef HAVE_SANDBOX |
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1011 luaV_checksandbox(L); |
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1012 #endif |
| 3450 | 1013 if (n < 1 || n > b->b_ml.ml_line_count) |
| 2330 | 1014 luaL_error(L, "invalid line number"); |
| 1015 if (lua_isnil(L, 3)) /* delete line */ | |
| 1016 { | |
| 1017 buf_T *buf = curbuf; | |
| 3450 | 1018 curbuf = b; |
| 2330 | 1019 if (u_savedel(n, 1L) == FAIL) |
| 1020 { | |
| 1021 curbuf = buf; | |
| 1022 luaL_error(L, "cannot save undo information"); | |
| 1023 } | |
| 1024 else if (ml_delete(n, FALSE) == FAIL) | |
| 1025 { | |
| 1026 curbuf = buf; | |
| 1027 luaL_error(L, "cannot delete line"); | |
| 1028 } | |
| 1029 else { | |
| 1030 deleted_lines_mark(n, 1L); | |
| 3450 | 1031 if (b == curwin->w_buffer) /* fix cursor in current window? */ |
| 2330 | 1032 { |
| 1033 if (curwin->w_cursor.lnum >= n) | |
| 1034 { | |
| 1035 if (curwin->w_cursor.lnum > n) | |
| 1036 { | |
| 1037 curwin->w_cursor.lnum -= 1; | |
| 1038 check_cursor_col(); | |
| 1039 } | |
| 1040 else check_cursor(); | |
| 1041 changed_cline_bef_curs(); | |
| 1042 } | |
| 1043 invalidate_botline(); | |
| 1044 } | |
| 1045 } | |
| 1046 curbuf = buf; | |
|
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1047 } |
| 2330 | 1048 else if (lua_isstring(L, 3)) /* update line */ |
| 1049 { | |
| 1050 buf_T *buf = curbuf; | |
| 3450 | 1051 curbuf = b; |
| 2330 | 1052 if (u_savesub(n) == FAIL) |
| 1053 { | |
| 1054 curbuf = buf; | |
| 1055 luaL_error(L, "cannot save undo information"); | |
| 1056 } | |
| 1057 else if (ml_replace(n, luaV_toline(L, 3), TRUE) == FAIL) | |
| 1058 { | |
| 1059 curbuf = buf; | |
| 1060 luaL_error(L, "cannot replace line"); | |
| 1061 } | |
| 1062 else changed_bytes(n, 0); | |
| 1063 curbuf = buf; | |
| 3450 | 1064 if (b == curwin->w_buffer) |
| 2330 | 1065 check_cursor_col(); |
|
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1066 } |
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1067 else |
| 2330 | 1068 luaL_error(L, "wrong argument to change line"); |
|
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1069 return 0; |
|
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1070 } |
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1071 |
| 2330 | 1072 static int |
| 1073 luaV_buffer_insert(lua_State *L) | |
| 1074 { | |
| 3450 | 1075 luaV_Buffer *lb = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
| 1076 buf_T *b = (buf_T *) luaV_checkcache(L, (void *) *lb); | |
| 1077 linenr_T last = b->b_ml.ml_line_count; | |
|
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1078 linenr_T n = (linenr_T) luaL_optinteger(L, 3, last); |
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1079 buf_T *buf; |
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1080 luaL_checktype(L, 2, LUA_TSTRING); |
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1081 #ifdef HAVE_SANDBOX |
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1082 luaV_checksandbox(L); |
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1083 #endif |
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1084 /* fix insertion line */ |
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1085 if (n < 0) n = 0; |
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1086 if (n > last) n = last; |
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1087 /* insert */ |
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1088 buf = curbuf; |
| 3450 | 1089 curbuf = b; |
| 2330 | 1090 if (u_save(n, n + 1) == FAIL) |
| 1091 { | |
| 1092 curbuf = buf; | |
| 1093 luaL_error(L, "cannot save undo information"); | |
|
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1094 } |
| 2330 | 1095 else if (ml_append(n, luaV_toline(L, 2), 0, FALSE) == FAIL) |
| 1096 { | |
| 1097 curbuf = buf; | |
| 1098 luaL_error(L, "cannot insert line"); | |
|
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1099 } |
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1100 else |
| 2330 | 1101 appended_lines_mark(n, 1L); |
|
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1102 curbuf = buf; |
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1103 update_screen(VALID); |
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1104 return 0; |
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1105 } |
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1106 |
| 2330 | 1107 static int |
| 1108 luaV_buffer_next(lua_State *L) | |
| 1109 { | |
|
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1110 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
| 3450 | 1111 buf_T *buf = (buf_T *) luaV_checkcache(L, (void *) *b); |
| 1112 luaV_pushbuffer(L, buf->b_next); | |
|
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1113 return 1; |
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1114 } |
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1115 |
| 2330 | 1116 static int |
| 1117 luaV_buffer_previous(lua_State *L) | |
| 1118 { | |
|
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1119 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
| 3450 | 1120 buf_T *buf = (buf_T *) luaV_checkcache(L, (void *) *b); |
| 1121 luaV_pushbuffer(L, buf->b_prev); | |
|
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1122 return 1; |
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1123 } |
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1124 |
| 2330 | 1125 static int |
| 1126 luaV_buffer_isvalid(lua_State *L) | |
| 1127 { | |
|
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1128 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
| 3450 | 1129 luaV_getudata(L, *b); |
|
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1130 lua_pushboolean(L, !lua_isnil(L, -1)); |
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1131 return 1; |
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1132 } |
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1133 |
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1134 static const luaL_Reg luaV_Buffer_mt[] = { |
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1135 {"__tostring", luaV_buffer_tostring}, |
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1136 {"__len", luaV_buffer_len}, |
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1137 {"__call", luaV_buffer_call}, |
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1138 {"__index", luaV_buffer_index}, |
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1139 {"__newindex", luaV_buffer_newindex}, |
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1140 {"insert", luaV_buffer_insert}, |
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|
1141 {"next", luaV_buffer_next}, |
|
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|
1142 {"previous", luaV_buffer_previous}, |
|
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|
1143 {"isvalid", luaV_buffer_isvalid}, |
|
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|
1144 {NULL, NULL} |
|
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|
1145 }; |
|
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|
1146 |
|
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|
1147 |
|
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|
1148 /* ======= Window type ======= */ |
|
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|
1149 |
| 3450 | 1150 luaV_newtype(win_T, window, luaV_Window, LUAVIM_WINDOW) |
| 1151 luaV_pushtype(win_T, window, luaV_Window) | |
| 1152 luaV_type_tostring(window, LUAVIM_WINDOW) | |
|
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|
1153 |
| 2330 | 1154 static int |
| 1155 luaV_window_call(lua_State *L) | |
| 1156 { | |
| 3450 | 1157 win_T *w = (win_T *) luaV_checkvalid(L, luaV_Window, 1); |
|
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|
1158 lua_settop(L, 1); |
| 3450 | 1159 win_goto(w); |
|
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|
1160 return 1; |
|
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|
1161 } |
|
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|
1162 |
| 2330 | 1163 static int |
| 1164 luaV_window_index(lua_State *L) | |
| 1165 { | |
| 3450 | 1166 win_T *w = (win_T *) luaV_checkvalid(L, luaV_Window, 1); |
|
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|
1167 const char *s = luaL_checkstring(L, 2); |
|
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|
1168 if (strncmp(s, "buffer", 6) == 0) |
| 3450 | 1169 luaV_pushbuffer(L, w->w_buffer); |
|
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|
1170 else if (strncmp(s, "line", 4) == 0) |
| 3450 | 1171 lua_pushinteger(L, w->w_cursor.lnum); |
|
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|
1172 else if (strncmp(s, "col", 3) == 0) |
| 3450 | 1173 lua_pushinteger(L, w->w_cursor.col + 1); |
|
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|
1174 #ifdef FEAT_VERTSPLIT |
|
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|
1175 else if (strncmp(s, "width", 5) == 0) |
| 3450 | 1176 lua_pushinteger(L, W_WIDTH(w)); |
|
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|
1177 #endif |
|
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|
1178 else if (strncmp(s, "height", 6) == 0) |
| 3450 | 1179 lua_pushinteger(L, w->w_height); |
|
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|
1180 /* methods */ |
|
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|
1181 else if (strncmp(s, "next", 4) == 0 |
| 2330 | 1182 || strncmp(s, "previous", 8) == 0 |
| 1183 || strncmp(s, "isvalid", 7) == 0) | |
| 1184 { | |
| 1185 lua_getmetatable(L, 1); | |
| 1186 lua_getfield(L, -1, s); | |
|
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|
1187 } |
|
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|
1188 else |
| 2330 | 1189 lua_pushnil(L); |
|
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|
1190 return 1; |
|
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|
1191 } |
|
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|
1192 |
| 2330 | 1193 static int |
| 1194 luaV_window_newindex (lua_State *L) | |
| 1195 { | |
| 3450 | 1196 win_T *w = (win_T *) luaV_checkvalid(L, luaV_Window, 1); |
|
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|
1197 const char *s = luaL_checkstring(L, 2); |
|
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|
1198 int v = luaL_checkinteger(L, 3); |
| 2330 | 1199 if (strncmp(s, "line", 4) == 0) |
| 1200 { | |
|
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|
1201 #ifdef HAVE_SANDBOX |
| 2330 | 1202 luaV_checksandbox(L); |
|
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|
1203 #endif |
| 3450 | 1204 if (v < 1 || v > w->w_buffer->b_ml.ml_line_count) |
| 2330 | 1205 luaL_error(L, "line out of range"); |
| 3450 | 1206 w->w_cursor.lnum = v; |
| 2330 | 1207 update_screen(VALID); |
|
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|
1208 } |
| 2330 | 1209 else if (strncmp(s, "col", 3) == 0) |
| 1210 { | |
|
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|
1211 #ifdef HAVE_SANDBOX |
| 2330 | 1212 luaV_checksandbox(L); |
|
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|
1213 #endif |
| 3450 | 1214 w->w_cursor.col = v - 1; |
| 2330 | 1215 update_screen(VALID); |
|
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|
1216 } |
|
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|
1217 #ifdef FEAT_VERTSPLIT |
| 2330 | 1218 else if (strncmp(s, "width", 5) == 0) |
| 1219 { | |
| 1220 win_T *win = curwin; | |
|
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|
1221 #ifdef FEAT_GUI |
| 2330 | 1222 need_mouse_correct = TRUE; |
|
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|
1223 #endif |
| 3450 | 1224 curwin = w; |
| 2330 | 1225 win_setwidth(v); |
| 1226 curwin = win; | |
|
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|
1227 } |
|
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|
1228 #endif |
| 2330 | 1229 else if (strncmp(s, "height", 6) == 0) |
| 1230 { | |
| 1231 win_T *win = curwin; | |
|
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|
1232 #ifdef FEAT_GUI |
| 2330 | 1233 need_mouse_correct = TRUE; |
|
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|
1234 #endif |
| 3450 | 1235 curwin = w; |
| 2330 | 1236 win_setheight(v); |
| 1237 curwin = win; | |
|
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|
1238 } |
|
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|
1239 else |
| 2330 | 1240 luaL_error(L, "invalid window property: `%s'", s); |
|
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|
1241 return 0; |
|
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|
1242 } |
|
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|
1243 |
| 2330 | 1244 static int |
| 1245 luaV_window_next(lua_State *L) | |
| 1246 { | |
|
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|
1247 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
| 3450 | 1248 win_T *win = (win_T *) luaV_checkcache(L, (void *) *w); |
| 1249 luaV_pushwindow(L, win->w_next); | |
|
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|
1250 return 1; |
|
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|
1251 } |
|
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|
1252 |
| 2330 | 1253 static int |
| 1254 luaV_window_previous(lua_State *L) | |
| 1255 { | |
|
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|
1256 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
| 3450 | 1257 win_T *win = (win_T *) luaV_checkcache(L, (void *) *w); |
| 1258 luaV_pushwindow(L, win->w_prev); | |
|
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|
1259 return 1; |
|
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|
1260 } |
|
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|
1261 |
| 2330 | 1262 static int |
| 1263 luaV_window_isvalid(lua_State *L) | |
| 1264 { | |
|
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|
1265 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
| 3450 | 1266 luaV_getudata(L, *w); |
|
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|
1267 lua_pushboolean(L, !lua_isnil(L, -1)); |
|
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|
1268 return 1; |
|
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|
1269 } |
|
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|
1270 |
|
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|
1271 static const luaL_Reg luaV_Window_mt[] = { |
|
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|
1272 {"__tostring", luaV_window_tostring}, |
|
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|
1273 {"__call", luaV_window_call}, |
|
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|
1274 {"__index", luaV_window_index}, |
|
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|
1275 {"__newindex", luaV_window_newindex}, |
|
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|
1276 {"next", luaV_window_next}, |
|
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|
1277 {"previous", luaV_window_previous}, |
|
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|
1278 {"isvalid", luaV_window_isvalid}, |
|
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|
1279 {NULL, NULL} |
|
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|
1280 }; |
|
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|
1281 |
|
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|
1282 |
|
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|
1283 /* ======= Vim module ======= */ |
|
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|
1284 |
| 2330 | 1285 static int |
| 1286 luaV_print(lua_State *L) | |
| 1287 { | |
|
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|
1288 int i, n = lua_gettop(L); /* nargs */ |
|
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|
1289 const char *s; |
|
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|
1290 size_t l; |
|
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|
1291 luaL_Buffer b; |
|
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|
1292 luaL_buffinit(L, &b); |
|
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|
1293 lua_getglobal(L, "tostring"); |
| 2330 | 1294 for (i = 1; i <= n; i++) |
| 1295 { | |
| 1296 lua_pushvalue(L, -1); /* tostring */ | |
| 1297 lua_pushvalue(L, i); /* arg */ | |
| 1298 lua_call(L, 1, 1); | |
| 1299 s = lua_tolstring(L, -1, &l); | |
| 1300 if (s == NULL) | |
| 1301 return luaL_error(L, "cannot convert to string"); | |
| 1302 if (i > 1) luaL_addchar(&b, ' '); /* use space instead of tab */ | |
| 1303 luaV_addlstring(&b, s, l, 0); | |
| 1304 lua_pop(L, 1); | |
|
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|
1305 } |
|
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|
1306 luaL_pushresult(&b); |
|
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|
1307 luaV_msg(L); |
|
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|
1308 return 0; |
|
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|
1309 } |
|
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|
1310 |
| 2330 | 1311 static int |
| 3091 | 1312 luaV_debug(lua_State *L) |
| 1313 { | |
| 1314 lua_settop(L, 0); | |
| 1315 lua_getglobal(L, "vim"); | |
| 1316 lua_getfield(L, -1, "eval"); | |
| 1317 lua_remove(L, -2); /* vim.eval at position 1 */ | |
| 1318 for (;;) | |
| 1319 { | |
| 1320 const char *input; | |
| 1321 size_t l; | |
| 1322 lua_pushvalue(L, 1); /* vim.eval */ | |
| 1323 lua_pushliteral(L, "input('lua_debug> ')"); | |
| 1324 lua_call(L, 1, 1); /* return string */ | |
| 1325 input = lua_tolstring(L, -1, &l); | |
| 1326 if (l == 0 || strcmp(input, "cont") == 0) | |
| 1327 return 0; | |
| 1328 msg_putchar('\n'); /* avoid outputting on input line */ | |
| 1329 if (luaL_loadbuffer(L, input, l, "=(debug command)") | |
| 1330 || lua_pcall(L, 0, 0, 0)) | |
| 1331 luaV_emsg(L); | |
| 1332 lua_settop(L, 1); /* remove eventual returns, but keep vim.eval */ | |
| 1333 } | |
| 1334 } | |
| 1335 | |
| 1336 static int | |
| 2330 | 1337 luaV_command(lua_State *L) |
| 1338 { | |
|
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1339 do_cmdline_cmd((char_u *) luaL_checkstring(L, 1)); |
|
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1340 update_screen(VALID); |
|
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1341 return 0; |
|
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1342 } |
|
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|
1343 |
| 2330 | 1344 static int |
| 1345 luaV_eval(lua_State *L) | |
| 1346 { | |
|
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1347 typval_T *tv = eval_expr((char_u *) luaL_checkstring(L, 1), NULL); |
|
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1348 if (tv == NULL) luaL_error(L, "invalid expression"); |
|
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1349 luaV_pushtypval(L, tv); |
| 4293 | 1350 free_tv(tv); |
|
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1351 return 1; |
|
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1352 } |
|
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1353 |
| 2330 | 1354 static int |
|
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|
1355 luaV_beep(lua_State *L UNUSED) |
| 2330 | 1356 { |
| 6949 | 1357 vim_beep(BO_LANG); |
|
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1358 return 0; |
|
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1359 } |
|
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|
1360 |
| 2330 | 1361 static int |
| 1362 luaV_line(lua_State *L) | |
| 1363 { | |
|
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1364 luaV_pushline(L, curbuf, curwin->w_cursor.lnum); |
|
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1365 return 1; |
|
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1366 } |
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|
1367 |
| 2330 | 1368 static int |
| 3450 | 1369 luaV_list(lua_State *L) |
| 1370 { | |
| 1371 list_T *l = list_alloc(); | |
| 1372 if (l == NULL) | |
| 1373 lua_pushnil(L); | |
| 1374 else | |
| 1375 luaV_newlist(L, l); | |
| 1376 return 1; | |
| 1377 } | |
| 1378 | |
| 1379 static int | |
| 1380 luaV_dict(lua_State *L) | |
| 1381 { | |
| 1382 dict_T *d = dict_alloc(); | |
| 1383 if (d == NULL) | |
| 1384 lua_pushnil(L); | |
| 1385 else | |
| 1386 luaV_newdict(L, d); | |
| 1387 return 1; | |
| 1388 } | |
| 1389 | |
| 1390 static int | |
| 2330 | 1391 luaV_buffer(lua_State *L) |
| 1392 { | |
|
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|
1393 buf_T *buf; |
| 2330 | 1394 if (lua_isstring(L, 1)) /* get by number or name? */ |
| 1395 { | |
| 1396 if (lua_isnumber(L, 1)) /* by number? */ | |
| 1397 { | |
| 1398 int n = lua_tointeger(L, 1); | |
| 1399 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 1400 if (buf->b_fnum == n) break; | |
| 1401 } | |
| 1402 else { /* by name */ | |
| 1403 size_t l; | |
| 1404 const char *s = lua_tolstring(L, 1, &l); | |
| 1405 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 1406 { | |
| 1407 if (buf->b_ffname == NULL || buf->b_sfname == NULL) | |
| 1408 { | |
| 1409 if (l == 0) break; | |
| 1410 } | |
|
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1411 else if (strncmp(s, (char *)buf->b_ffname, l) == 0 |
|
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1412 || strncmp(s, (char *)buf->b_sfname, l) == 0) |
| 2330 | 1413 break; |
| 1414 } | |
| 1415 } | |
|
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1416 } |
| 3450 | 1417 else |
| 2330 | 1418 buf = (lua_toboolean(L, 1)) ? firstbuf : curbuf; /* first buffer? */ |
| 3450 | 1419 luaV_pushbuffer(L, buf); |
|
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1420 return 1; |
|
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1421 } |
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1422 |
| 2330 | 1423 static int |
| 1424 luaV_window(lua_State *L) | |
| 1425 { | |
|
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1426 win_T *win; |
| 2330 | 1427 if (lua_isnumber(L, 1)) /* get by number? */ |
| 1428 { | |
| 1429 int n = lua_tointeger(L, 1); | |
| 1430 for (win = firstwin; win != NULL; win = win->w_next, n--) | |
| 1431 if (n == 1) break; | |
|
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|
1432 } |
| 3450 | 1433 else |
| 2330 | 1434 win = (lua_toboolean(L, 1)) ? firstwin : curwin; /* first window? */ |
| 3450 | 1435 luaV_pushwindow(L, win); |
|
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1436 return 1; |
|
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1437 } |
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1438 |
| 2330 | 1439 static int |
| 1440 luaV_open(lua_State *L) | |
| 1441 { | |
|
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1442 char_u *s = NULL; |
|
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1443 #ifdef HAVE_SANDBOX |
|
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1444 luaV_checksandbox(L); |
|
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1445 #endif |
|
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1446 if (lua_isstring(L, 1)) s = (char_u *) lua_tostring(L, 1); |
| 3200 | 1447 luaV_pushbuffer(L, buflist_new(s, NULL, 1L, BLN_LISTED)); |
|
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1448 return 1; |
|
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1449 } |
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1450 |
| 2330 | 1451 static int |
| 3450 | 1452 luaV_type(lua_State *L) |
| 2330 | 1453 { |
| 3450 | 1454 luaL_checkany(L, 1); |
| 1455 if (lua_type(L, 1) == LUA_TUSERDATA) /* check vim udata? */ | |
| 1456 { | |
| 1457 lua_settop(L, 1); | |
| 1458 if (lua_getmetatable(L, 1)) | |
| 1459 { | |
| 1460 luaV_getfield(L, LUAVIM_LIST); | |
| 1461 if (lua_rawequal(L, -1, 2)) | |
| 1462 { | |
| 1463 lua_pushstring(L, "list"); | |
| 1464 return 1; | |
| 1465 } | |
| 1466 luaV_getfield(L, LUAVIM_DICT); | |
| 1467 if (lua_rawequal(L, -1, 2)) | |
| 1468 { | |
| 1469 lua_pushstring(L, "dict"); | |
| 1470 return 1; | |
| 1471 } | |
| 1472 luaV_getfield(L, LUAVIM_BUFFER); | |
| 1473 if (lua_rawequal(L, -1, 2)) | |
| 1474 { | |
| 1475 lua_pushstring(L, "buffer"); | |
| 1476 return 1; | |
| 1477 } | |
| 1478 luaV_getfield(L, LUAVIM_WINDOW); | |
| 1479 if (lua_rawequal(L, -1, 2)) | |
| 1480 { | |
| 1481 lua_pushstring(L, "window"); | |
| 1482 return 1; | |
| 1483 } | |
| 1484 } | |
| 1485 } | |
| 1486 lua_pushstring(L, luaL_typename(L, 1)); /* fallback */ | |
|
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1487 return 1; |
|
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1488 } |
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1489 |
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1490 static const luaL_Reg luaV_module[] = { |
|
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1491 {"command", luaV_command}, |
|
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1492 {"eval", luaV_eval}, |
|
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1493 {"beep", luaV_beep}, |
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|
1494 {"line", luaV_line}, |
| 3450 | 1495 {"list", luaV_list}, |
| 1496 {"dict", luaV_dict}, | |
|
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1497 {"buffer", luaV_buffer}, |
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1498 {"window", luaV_window}, |
|
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|
1499 {"open", luaV_open}, |
| 3450 | 1500 {"type", luaV_type}, |
|
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|
1501 {NULL, NULL} |
|
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1502 }; |
|
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|
1503 |
| 3450 | 1504 /* for freeing list, dict, buffer and window objects; lightuserdata as arg */ |
| 1505 static int | |
| 1506 luaV_free(lua_State *L) | |
| 1507 { | |
| 1508 lua_pushnil(L); | |
| 1509 luaV_setudata(L, lua_touserdata(L, 1)); | |
| 1510 return 0; | |
| 1511 } | |
| 1512 | |
| 1513 static int | |
| 1514 luaV_luaeval (lua_State *L) | |
| 1515 { | |
| 1516 luaL_Buffer b; | |
| 1517 size_t l; | |
| 1518 const char *str = lua_tolstring(L, 1, &l); | |
| 1519 typval_T *arg = (typval_T *) lua_touserdata(L, 2); | |
| 1520 typval_T *rettv = (typval_T *) lua_touserdata(L, 3); | |
| 1521 luaL_buffinit(L, &b); | |
| 1522 luaL_addlstring(&b, LUAVIM_EVALHEADER, sizeof(LUAVIM_EVALHEADER) - 1); | |
| 1523 luaL_addlstring(&b, str, l); | |
| 1524 luaL_pushresult(&b); | |
| 1525 str = lua_tolstring(L, -1, &l); | |
| 1526 if (luaL_loadbuffer(L, str, l, LUAVIM_EVALNAME)) /* compile error? */ | |
| 1527 { | |
| 1528 luaV_emsg(L); | |
| 1529 return 0; | |
| 1530 } | |
| 1531 luaV_pushtypval(L, arg); | |
| 1532 if (lua_pcall(L, 1, 1, 0)) /* running error? */ | |
| 1533 { | |
| 1534 luaV_emsg(L); | |
| 1535 return 0; | |
| 1536 } | |
| 1537 luaV_totypval(L, -1, rettv); | |
| 6590 | 1538 return 0; |
| 3450 | 1539 } |
| 1540 | |
| 1541 static int | |
| 1542 luaV_setref (lua_State *L) | |
| 1543 { | |
| 6565 | 1544 int copyID = lua_tointeger(L, 1); |
| 1545 int abort = FALSE; | |
| 1546 typval_T tv; | |
| 1547 | |
| 3450 | 1548 luaV_getfield(L, LUAVIM_LIST); |
| 1549 luaV_getfield(L, LUAVIM_DICT); | |
| 1550 lua_pushnil(L); | |
| 6586 | 1551 /* traverse cache table */ |
| 1552 while (!abort && lua_next(L, lua_upvalueindex(1)) != 0) | |
| 3450 | 1553 { |
| 1554 lua_getmetatable(L, -1); | |
| 1555 if (lua_rawequal(L, -1, 2)) /* list? */ | |
| 1556 { | |
| 1557 tv.v_type = VAR_LIST; | |
| 1558 tv.vval.v_list = (list_T *) lua_touserdata(L, 4); /* key */ | |
| 1559 } | |
| 1560 else if (lua_rawequal(L, -1, 3)) /* dict? */ | |
| 1561 { | |
| 1562 tv.v_type = VAR_DICT; | |
| 1563 tv.vval.v_dict = (dict_T *) lua_touserdata(L, 4); /* key */ | |
| 1564 } | |
| 1565 lua_pop(L, 2); /* metatable and value */ | |
| 6565 | 1566 abort = set_ref_in_item(&tv, copyID, NULL, NULL); |
| 3450 | 1567 } |
| 6565 | 1568 lua_pushinteger(L, abort); |
| 6590 | 1569 return 1; |
| 3450 | 1570 } |
| 1571 | |
| 2330 | 1572 static int |
| 1573 luaopen_vim(lua_State *L) | |
| 1574 { | |
| 3450 | 1575 /* set cache table */ |
|
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1576 lua_newtable(L); |
|
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|
1577 lua_newtable(L); |
| 3450 | 1578 lua_pushstring(L, "v"); |
|
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|
1579 lua_setfield(L, -2, "__mode"); |
| 3450 | 1580 lua_setmetatable(L, -2); /* cache is weak-valued */ |
|
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|
1581 /* print */ |
|
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|
1582 lua_pushcfunction(L, luaV_print); |
|
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|
1583 lua_setglobal(L, "print"); |
| 3091 | 1584 /* debug.debug */ |
| 1585 lua_getglobal(L, "debug"); | |
| 1586 lua_pushcfunction(L, luaV_debug); | |
| 1587 lua_setfield(L, -2, "debug"); | |
| 1588 lua_pop(L, 1); | |
|
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|
1589 /* free */ |
|
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|
1590 lua_pushlightuserdata(L, (void *) LUAVIM_FREE); |
| 3450 | 1591 lua_pushvalue(L, 1); /* cache table */ |
| 1592 lua_pushcclosure(L, luaV_free, 1); | |
| 1593 lua_rawset(L, LUA_REGISTRYINDEX); | |
| 1594 /* luaeval */ | |
| 1595 lua_pushlightuserdata(L, (void *) LUAVIM_LUAEVAL); | |
| 1596 lua_pushvalue(L, 1); /* cache table */ | |
| 1597 lua_pushcclosure(L, luaV_luaeval, 1); | |
| 1598 lua_rawset(L, LUA_REGISTRYINDEX); | |
| 1599 /* setref */ | |
| 1600 lua_pushlightuserdata(L, (void *) LUAVIM_SETREF); | |
| 1601 lua_pushvalue(L, 1); /* cache table */ | |
| 1602 lua_pushcclosure(L, luaV_setref, 1); | |
|
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|
1603 lua_rawset(L, LUA_REGISTRYINDEX); |
|
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|
1604 /* register */ |
| 3450 | 1605 luaV_newmetatable(L, LUAVIM_LIST); |
| 1606 lua_pushvalue(L, 1); | |
| 1607 luaV_openlib(L, luaV_List_mt, 1); | |
| 1608 luaV_newmetatable(L, LUAVIM_DICT); | |
| 1609 lua_pushvalue(L, 1); | |
| 1610 luaV_openlib(L, luaV_Dict_mt, 1); | |
|
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1611 luaV_newmetatable(L, LUAVIM_BUFFER); |
| 3450 | 1612 lua_pushvalue(L, 1); /* cache table */ |
| 1613 luaV_openlib(L, luaV_Buffer_mt, 1); | |
|
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1614 luaV_newmetatable(L, LUAVIM_WINDOW); |
| 3450 | 1615 lua_pushvalue(L, 1); /* cache table */ |
| 1616 luaV_openlib(L, luaV_Window_mt, 1); | |
| 1617 lua_newtable(L); /* vim table */ | |
| 1618 lua_pushvalue(L, 1); /* cache table */ | |
| 1619 luaV_openlib(L, luaV_module, 1); | |
| 1620 lua_setglobal(L, LUAVIM_NAME); | |
|
2320
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|
1621 return 0; |
|
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|
1622 } |
|
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|
1623 |
| 2330 | 1624 static lua_State * |
| 1625 luaV_newstate(void) | |
| 1626 { | |
|
2320
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Added Lua interfae. (Luis Carvalho)
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|
1627 lua_State *L = luaL_newstate(); |
|
2431
7b764999f9b9
Update for Lua interface. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
2373
diff
changeset
|
1628 luaL_openlibs(L); /* core libs */ |
|
7b764999f9b9
Update for Lua interface. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
2373
diff
changeset
|
1629 lua_pushcfunction(L, luaopen_vim); /* vim */ |
|
2320
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|
1630 lua_call(L, 0, 0); |
|
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|
1631 return L; |
|
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|
1632 } |
|
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|
1633 |
| 2330 | 1634 static void |
| 1635 luaV_setrange(lua_State *L, int line1, int line2) | |
| 1636 { | |
|
2320
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|
1637 lua_getglobal(L, LUAVIM_NAME); |
|
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Added Lua interfae. (Luis Carvalho)
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|
1638 lua_pushinteger(L, line1); |
|
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Added Lua interfae. (Luis Carvalho)
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|
1639 lua_setfield(L, -2, "firstline"); |
|
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Added Lua interfae. (Luis Carvalho)
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|
1640 lua_pushinteger(L, line2); |
|
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Added Lua interfae. (Luis Carvalho)
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|
1641 lua_setfield(L, -2, "lastline"); |
|
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Added Lua interfae. (Luis Carvalho)
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|
1642 lua_pop(L, 1); /* vim table */ |
|
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|
1643 } |
|
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|
1644 |
|
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|
1645 |
|
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|
1646 /* ======= Interface ======= */ |
|
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|
1647 |
|
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|
1648 static lua_State *L = NULL; |
|
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Added Lua interfae. (Luis Carvalho)
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|
1649 |
| 2330 | 1650 static int |
| 3450 | 1651 lua_isopen(void) |
|
2543
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
parents:
2431
diff
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|
1652 { |
|
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
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2431
diff
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|
1653 return L != NULL; |
|
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
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2431
diff
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|
1654 } |
|
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
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2431
diff
changeset
|
1655 |
|
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
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2431
diff
changeset
|
1656 static int |
| 2330 | 1657 lua_init(void) |
| 1658 { | |
| 3450 | 1659 if (!lua_isopen()) |
| 2330 | 1660 { |
|
2320
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Added Lua interfae. (Luis Carvalho)
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|
1661 #ifdef DYNAMIC_LUA |
| 2330 | 1662 if (!lua_enabled(TRUE)) |
| 1663 { | |
| 1664 EMSG(_("Lua library cannot be loaded.")); | |
| 1665 return FAIL; | |
| 1666 } | |
|
2320
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|
1667 #endif |
| 2330 | 1668 L = luaV_newstate(); |
|
2320
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|
1669 } |
|
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|
1670 return OK; |
|
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|
1671 } |
|
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|
1672 |
| 2330 | 1673 void |
| 1674 lua_end(void) | |
| 1675 { | |
| 3450 | 1676 if (lua_isopen()) |
| 2330 | 1677 { |
| 1678 lua_close(L); | |
| 1679 L = NULL; | |
|
2320
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|
1680 #ifdef DYNAMIC_LUA |
| 2330 | 1681 end_dynamic_lua(); |
|
2320
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|
1682 #endif |
|
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|
1683 } |
|
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|
1684 } |
|
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|
1685 |
|
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|
1686 /* ex commands */ |
| 2330 | 1687 void |
| 1688 ex_lua(exarg_T *eap) | |
| 1689 { | |
|
2320
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|
1690 char *script; |
|
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|
1691 if (lua_init() == FAIL) return; |
|
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Added Lua interfae. (Luis Carvalho)
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|
1692 script = (char *) script_get(eap, eap->arg); |
| 2330 | 1693 if (!eap->skip) |
| 1694 { | |
| 1695 char *s = (script) ? script : (char *) eap->arg; | |
| 1696 luaV_setrange(L, eap->line1, eap->line2); | |
| 1697 if (luaL_loadbuffer(L, s, strlen(s), LUAVIM_CHUNKNAME) | |
| 1698 || lua_pcall(L, 0, 0, 0)) | |
| 1699 luaV_emsg(L); | |
|
2320
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|
1700 } |
|
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|
1701 if (script != NULL) vim_free(script); |
|
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|
1702 } |
|
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|
1703 |
| 2330 | 1704 void |
| 1705 ex_luado(exarg_T *eap) | |
| 1706 { | |
|
2320
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|
1707 linenr_T l; |
|
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|
1708 const char *s = (const char *) eap->arg; |
|
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|
1709 luaL_Buffer b; |
|
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|
1710 size_t len; |
|
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|
1711 if (lua_init() == FAIL) return; |
| 2330 | 1712 if (u_save(eap->line1 - 1, eap->line2 + 1) == FAIL) |
| 1713 { | |
| 1714 EMSG(_("cannot save undo information")); | |
| 1715 return; | |
|
2320
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|
1716 } |
|
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|
1717 luaV_setrange(L, eap->line1, eap->line2); |
|
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|
1718 luaL_buffinit(L, &b); |
| 3459 | 1719 luaL_addlstring(&b, "return function(line, linenr) ", 30); /* header */ |
|
2320
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|
1720 luaL_addlstring(&b, s, strlen(s)); |
|
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diff
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|
1721 luaL_addlstring(&b, " end", 4); /* footer */ |
|
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|
1722 luaL_pushresult(&b); |
|
966a5609669e
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diff
changeset
|
1723 s = lua_tolstring(L, -1, &len); |
| 2330 | 1724 if (luaL_loadbuffer(L, s, len, LUAVIM_CHUNKNAME)) |
| 1725 { | |
| 1726 luaV_emsg(L); | |
| 1727 lua_pop(L, 1); /* function body */ | |
| 1728 return; | |
|
2320
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|
1729 } |
|
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|
1730 lua_call(L, 0, 1); |
|
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|
1731 lua_replace(L, -2); /* function -> body */ |
| 2330 | 1732 for (l = eap->line1; l <= eap->line2; l++) |
| 1733 { | |
| 1734 lua_pushvalue(L, -1); /* function */ | |
| 1735 luaV_pushline(L, curbuf, l); /* current line as arg */ | |
| 3459 | 1736 lua_pushinteger(L, l); /* current line number as arg */ |
| 1737 if (lua_pcall(L, 2, 1, 0)) | |
| 2330 | 1738 { |
| 1739 luaV_emsg(L); | |
| 1740 break; | |
| 1741 } | |
| 1742 if (lua_isstring(L, -1)) /* update line? */ | |
| 1743 { | |
|
2320
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diff
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|
1744 #ifdef HAVE_SANDBOX |
| 2330 | 1745 luaV_checksandbox(L); |
|
2320
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|
1746 #endif |
| 2330 | 1747 ml_replace(l, luaV_toline(L, -1), TRUE); |
| 1748 changed_bytes(l, 0); | |
| 1749 lua_pop(L, 1); /* result from luaV_toline */ | |
| 1750 } | |
| 1751 lua_pop(L, 1); /* line */ | |
|
2320
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|
1752 } |
|
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|
1753 lua_pop(L, 1); /* function */ |
|
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|
1754 check_cursor(); |
|
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|
1755 update_screen(NOT_VALID); |
|
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|
1756 } |
|
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|
1757 |
| 2330 | 1758 void |
| 1759 ex_luafile(exarg_T *eap) | |
| 1760 { | |
| 1761 if (lua_init() == FAIL) | |
| 1762 return; | |
| 1763 if (!eap->skip) | |
| 1764 { | |
| 1765 luaV_setrange(L, eap->line1, eap->line2); | |
| 1766 if (luaL_loadfile(L, (char *) eap->arg) || lua_pcall(L, 0, 0, 0)) | |
| 1767 luaV_emsg(L); | |
|
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|
1768 } |
|
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|
1769 } |
|
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|
1770 |
| 3450 | 1771 #define luaV_freetype(typ,tname) \ |
| 1772 void \ | |
| 1773 lua_##tname##_free(typ *o) \ | |
| 1774 { \ | |
| 1775 if (!lua_isopen()) return; \ | |
| 1776 luaV_getfield(L, LUAVIM_FREE); \ | |
| 1777 lua_pushlightuserdata(L, (void *) o); \ | |
| 1778 lua_call(L, 1, 0); \ | |
| 1779 } | |
| 1780 | |
| 1781 luaV_freetype(buf_T, buffer) | |
| 1782 luaV_freetype(win_T, window) | |
| 1783 | |
| 2330 | 1784 void |
| 3450 | 1785 do_luaeval (char_u *str, typval_T *arg, typval_T *rettv) |
| 2330 | 1786 { |
| 3450 | 1787 lua_init(); |
| 1788 luaV_getfield(L, LUAVIM_LUAEVAL); | |
| 1789 lua_pushstring(L, (char *) str); | |
| 1790 lua_pushlightuserdata(L, (void *) arg); | |
| 1791 lua_pushlightuserdata(L, (void *) rettv); | |
| 1792 lua_call(L, 3, 0); | |
|
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|
1793 } |
|
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|
1794 |
| 6565 | 1795 int |
| 3450 | 1796 set_ref_in_lua (int copyID) |
| 2330 | 1797 { |
| 6565 | 1798 int aborted = 0; |
| 1799 | |
| 1800 if (lua_isopen()) | |
| 1801 { | |
| 1802 luaV_getfield(L, LUAVIM_SETREF); | |
| 1803 /* call the function with 1 arg, getting 1 result back */ | |
| 1804 lua_pushinteger(L, copyID); | |
| 1805 lua_call(L, 1, 1); | |
| 1806 /* get the result */ | |
| 1807 aborted = lua_tointeger(L, -1); | |
| 1808 /* pop result off the stack */ | |
| 1809 lua_pop(L, 1); | |
| 1810 } | |
| 1811 return aborted; | |
|
2320
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|
1812 } |
|
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|
1813 |
|
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|
1814 #endif |