Mercurial > vim
annotate src/if_lua.c @ 7712:bce3b5ddb393 v7.4.1154
commit https://github.com/vim/vim/commit/520e1e41f35b063ede63b41738c82d6636e78c34
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Jan 23 19:46:28 2016 +0100
patch 7.4.1154
Problem: No support for JSON.
Solution: Add jsonencode() and jsondecode(). Also add v:false, v:true,
v:null and v:none.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Sat, 23 Jan 2016 20:00:04 +0100 |
| parents | 53163e4d9e4f |
| children | 24b43dd167eb |
| 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((char *)p_luadll, 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; | |
|
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502 case VAR_SPECIAL: |
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503 if (tv->vval.v_number <= VVAL_TRUE) |
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504 lua_pushinteger(L, (int) tv->vval.v_number); |
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505 else |
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506 lua_pushnil(L); |
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507 break; |
| 3450 | 508 default: |
| 509 lua_pushnil(L); | |
| 510 } | |
| 511 } | |
| 2330 | 512 |
| 3450 | 513 /* converts lua value at 'pos' to typval 'tv' */ |
| 514 static void | |
| 515 luaV_totypval (lua_State *L, int pos, typval_T *tv) | |
| 516 { | |
| 517 switch(lua_type(L, pos)) { | |
| 518 case LUA_TBOOLEAN: | |
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519 tv->v_type = VAR_SPECIAL; |
| 3450 | 520 tv->vval.v_number = (varnumber_T) lua_toboolean(L, pos); |
| 521 break; | |
| 522 case LUA_TSTRING: | |
| 523 tv->v_type = VAR_STRING; | |
| 524 tv->vval.v_string = vim_strsave((char_u *) lua_tostring(L, pos)); | |
| 2330 | 525 break; |
| 3450 | 526 case LUA_TNUMBER: |
| 527 #ifdef FEAT_FLOAT | |
| 528 tv->v_type = VAR_FLOAT; | |
| 529 tv->vval.v_float = (float_T) lua_tonumber(L, pos); | |
| 530 #else | |
| 531 tv->v_type = VAR_NUMBER; | |
| 532 tv->vval.v_number = (varnumber_T) lua_tointeger(L, pos); | |
| 533 #endif | |
| 534 break; | |
| 535 case LUA_TUSERDATA: { | |
| 536 void *p = lua_touserdata(L, pos); | |
| 537 if (lua_getmetatable(L, pos)) /* has metatable? */ | |
| 2330 | 538 { |
| 3450 | 539 /* check list */ |
| 540 luaV_getfield(L, LUAVIM_LIST); | |
| 541 if (lua_rawequal(L, -1, -2)) | |
|
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542 { |
| 3450 | 543 tv->v_type = VAR_LIST; |
| 544 tv->vval.v_list = *((luaV_List *) p); | |
| 545 ++tv->vval.v_list->lv_refcount; | |
| 546 lua_pop(L, 2); /* MTs */ | |
| 547 return; | |
| 2330 | 548 } |
| 3450 | 549 /* check dict */ |
| 550 luaV_getfield(L, LUAVIM_DICT); | |
| 551 if (lua_rawequal(L, -1, -3)) | |
| 552 { | |
| 553 tv->v_type = VAR_DICT; | |
| 554 tv->vval.v_dict = *((luaV_Dict *) p); | |
| 555 ++tv->vval.v_dict->dv_refcount; | |
| 556 lua_pop(L, 3); /* MTs */ | |
| 557 return; | |
| 558 } | |
| 559 lua_pop(L, 3); /* MTs */ | |
| 2330 | 560 } |
| 561 break; | |
| 562 } | |
| 563 default: | |
| 3450 | 564 tv->v_type = VAR_NUMBER; |
| 565 tv->vval.v_number = 0; | |
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566 } |
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567 } |
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568 |
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569 /* similar to luaL_addlstring, but replaces \0 with \n if toline and |
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570 * \n with \0 otherwise */ |
| 2330 | 571 static void |
| 572 luaV_addlstring(luaL_Buffer *b, const char *s, size_t l, int toline) | |
| 573 { | |
| 574 while (l--) | |
| 575 { | |
| 576 if (*s == '\0' && toline) | |
| 577 luaL_addchar(b, '\n'); | |
| 578 else if (*s == '\n' && !toline) | |
| 579 luaL_addchar(b, '\0'); | |
| 580 else | |
| 581 luaL_addchar(b, *s); | |
| 582 s++; | |
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583 } |
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584 } |
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585 |
| 2330 | 586 static void |
| 587 luaV_pushline(lua_State *L, buf_T *buf, linenr_T n) | |
| 588 { | |
|
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589 const char *s = (const char *) ml_get_buf(buf, n, FALSE); |
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590 luaL_Buffer b; |
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591 luaL_buffinit(L, &b); |
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592 luaV_addlstring(&b, s, strlen(s), 0); |
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593 luaL_pushresult(&b); |
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594 } |
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595 |
| 2330 | 596 static char_u * |
| 597 luaV_toline(lua_State *L, int pos) | |
| 598 { | |
|
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599 size_t l; |
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600 const char *s = lua_tolstring(L, pos, &l); |
| 2330 | 601 |
|
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602 luaL_Buffer b; |
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603 luaL_buffinit(L, &b); |
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604 luaV_addlstring(&b, s, l, 1); |
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605 luaL_pushresult(&b); |
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606 return (char_u *) lua_tostring(L, -1); |
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607 } |
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608 |
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609 /* pops a string s from the top of the stack and calls mf(t) for pieces t of |
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610 * s separated by newlines */ |
| 2330 | 611 static void |
| 612 luaV_msgfunc(lua_State *L, msgfunc_T mf) | |
| 613 { | |
|
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614 luaL_Buffer b; |
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615 size_t l; |
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616 const char *p, *s = lua_tolstring(L, -1, &l); |
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617 luaL_buffinit(L, &b); |
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618 luaV_addlstring(&b, s, l, 0); |
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619 luaL_pushresult(&b); |
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620 /* break string */ |
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621 p = s = lua_tolstring(L, -1, &l); |
| 2330 | 622 while (l--) |
| 623 { | |
| 624 if (*p++ == '\0') /* break? */ | |
| 625 { | |
| 626 mf((char_u *) s); | |
| 627 s = p; | |
| 628 } | |
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629 } |
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630 mf((char_u *) s); |
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631 lua_pop(L, 2); /* original and modified strings */ |
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632 } |
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633 |
| 3450 | 634 #define luaV_newtype(typ,tname,luatyp,luatname) \ |
| 635 static luatyp * \ | |
| 636 luaV_new##tname (lua_State *L, typ *obj) \ | |
| 637 { \ | |
| 638 luatyp *o = (luatyp *) lua_newuserdata(L, sizeof(luatyp)); \ | |
| 639 *o = obj; \ | |
| 640 luaV_setudata(L, obj); /* cache[obj] = udata */ \ | |
| 641 luaV_getfield(L, luatname); \ | |
| 642 lua_setmetatable(L, -2); \ | |
| 643 return o; \ | |
| 644 } | |
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645 |
| 3450 | 646 #define luaV_pushtype(typ,tname,luatyp) \ |
| 647 static luatyp * \ | |
| 648 luaV_push##tname (lua_State *L, typ *obj) \ | |
| 649 { \ | |
| 650 luatyp *o = NULL; \ | |
| 651 if (obj == NULL) \ | |
| 652 lua_pushnil(L); \ | |
| 653 else { \ | |
| 654 luaV_getudata(L, obj); \ | |
| 655 if (lua_isnil(L, -1)) /* not interned? */ \ | |
| 656 { \ | |
| 657 lua_pop(L, 1); \ | |
| 658 o = luaV_new##tname(L, obj); \ | |
| 659 } \ | |
| 660 else \ | |
| 661 o = (luatyp *) lua_touserdata(L, -1); \ | |
| 662 } \ | |
| 663 return o; \ | |
| 664 } | |
| 665 | |
| 666 #define luaV_type_tostring(tname,luatname) \ | |
| 667 static int \ | |
| 668 luaV_##tname##_tostring (lua_State *L) \ | |
| 669 { \ | |
| 670 lua_pushfstring(L, "%s: %p", luatname, lua_touserdata(L, 1)); \ | |
| 671 return 1; \ | |
| 672 } | |
| 673 | |
| 674 /* ======= List type ======= */ | |
| 675 | |
| 676 static luaV_List * | |
| 677 luaV_newlist (lua_State *L, list_T *lis) | |
| 678 { | |
| 679 luaV_List *l = (luaV_List *) lua_newuserdata(L, sizeof(luaV_List)); | |
| 680 *l = lis; | |
| 681 lis->lv_refcount++; /* reference in Lua */ | |
| 682 luaV_setudata(L, lis); /* cache[lis] = udata */ | |
| 683 luaV_getfield(L, LUAVIM_LIST); | |
| 684 lua_setmetatable(L, -2); | |
| 685 return l; | |
| 686 } | |
| 687 | |
| 688 luaV_pushtype(list_T, list, luaV_List) | |
| 689 luaV_type_tostring(list, LUAVIM_LIST) | |
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690 |
| 2330 | 691 static int |
| 3450 | 692 luaV_list_len (lua_State *L) |
| 2330 | 693 { |
| 3450 | 694 list_T *l = luaV_unbox(L, luaV_List, 1); |
| 695 lua_pushinteger(L, (l == NULL) ? 0 : (int) l->lv_len); | |
| 696 return 1; | |
| 697 } | |
| 698 | |
| 699 static int | |
| 700 luaV_list_iter (lua_State *L) | |
| 701 { | |
| 702 listitem_T *li = (listitem_T *) lua_touserdata(L, lua_upvalueindex(2)); | |
| 703 if (li == NULL) return 0; | |
| 704 luaV_pushtypval(L, &li->li_tv); | |
| 705 lua_pushlightuserdata(L, (void *) li->li_next); | |
| 706 lua_replace(L, lua_upvalueindex(2)); | |
| 707 return 1; | |
| 708 } | |
| 709 | |
| 710 static int | |
| 711 luaV_list_call (lua_State *L) | |
| 712 { | |
| 713 list_T *l = luaV_unbox(L, luaV_List, 1); | |
| 714 lua_pushvalue(L, lua_upvalueindex(1)); /* pass cache table along */ | |
| 715 lua_pushlightuserdata(L, (void *) l->lv_first); | |
| 716 lua_pushcclosure(L, luaV_list_iter, 2); | |
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717 return 1; |
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718 } |
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719 |
| 2330 | 720 static int |
| 3450 | 721 luaV_list_index (lua_State *L) |
| 722 { | |
| 723 list_T *l = luaV_unbox(L, luaV_List, 1); | |
| 724 if (lua_isnumber(L, 2)) /* list item? */ | |
| 725 { | |
| 726 listitem_T *li = list_find(l, (long) luaL_checkinteger(L, 2)); | |
| 727 if (li == NULL) | |
| 728 lua_pushnil(L); | |
| 729 else | |
| 730 luaV_pushtypval(L, &li->li_tv); | |
| 731 } | |
| 732 else if (lua_isstring(L, 2)) /* method? */ | |
| 733 { | |
| 734 const char *s = lua_tostring(L, 2); | |
| 735 if (strncmp(s, "add", 3) == 0 | |
| 4293 | 736 || strncmp(s, "insert", 6) == 0) |
| 3450 | 737 { |
| 738 lua_getmetatable(L, 1); | |
| 739 lua_getfield(L, -1, s); | |
| 740 } | |
| 741 else | |
| 742 lua_pushnil(L); | |
| 743 } | |
| 744 else | |
| 745 lua_pushnil(L); | |
| 746 return 1; | |
| 747 } | |
| 748 | |
| 749 static int | |
| 750 luaV_list_newindex (lua_State *L) | |
| 751 { | |
| 752 list_T *l = luaV_unbox(L, luaV_List, 1); | |
| 753 long n = (long) luaL_checkinteger(L, 2); | |
| 754 listitem_T *li; | |
| 755 if (l->lv_lock) | |
| 756 luaL_error(L, "list is locked"); | |
| 757 li = list_find(l, n); | |
| 758 if (li == NULL) return 0; | |
| 759 if (lua_isnil(L, 3)) /* remove? */ | |
| 760 { | |
| 5871 | 761 vimlist_remove(l, li, li); |
| 3450 | 762 clear_tv(&li->li_tv); |
| 763 vim_free(li); | |
| 764 } | |
| 765 else | |
| 766 { | |
| 767 typval_T v; | |
| 768 luaV_totypval(L, 3, &v); | |
| 769 clear_tv(&li->li_tv); | |
| 770 copy_tv(&v, &li->li_tv); | |
| 4293 | 771 clear_tv(&v); |
| 3450 | 772 } |
| 773 return 0; | |
| 774 } | |
| 775 | |
| 776 static int | |
| 777 luaV_list_add (lua_State *L) | |
| 778 { | |
| 779 luaV_List *lis = luaV_checkudata(L, 1, LUAVIM_LIST); | |
| 780 list_T *l = (list_T *) luaV_checkcache(L, (void *) *lis); | |
| 4293 | 781 typval_T v; |
| 3450 | 782 if (l->lv_lock) |
| 783 luaL_error(L, "list is locked"); | |
| 4293 | 784 lua_settop(L, 2); |
| 785 luaV_totypval(L, 2, &v); | |
| 786 if (list_append_tv(l, &v) == FAIL) | |
| 3450 | 787 { |
| 4293 | 788 clear_tv(&v); |
| 789 luaL_error(L, "Failed to add item to list"); | |
| 3450 | 790 } |
| 4293 | 791 clear_tv(&v); |
| 3450 | 792 lua_settop(L, 1); |
| 793 return 1; | |
| 794 } | |
| 795 | |
| 796 static int | |
| 797 luaV_list_insert (lua_State *L) | |
| 798 { | |
| 799 luaV_List *lis = luaV_checkudata(L, 1, LUAVIM_LIST); | |
| 800 list_T *l = (list_T *) luaV_checkcache(L, (void *) *lis); | |
| 6625 | 801 long pos = (long) luaL_optinteger(L, 3, 0); |
| 3450 | 802 listitem_T *li = NULL; |
| 803 typval_T v; | |
| 804 if (l->lv_lock) | |
| 805 luaL_error(L, "list is locked"); | |
| 806 if (pos < l->lv_len) | |
| 807 { | |
| 808 li = list_find(l, pos); | |
| 809 if (li == NULL) | |
| 810 luaL_error(L, "invalid position"); | |
| 811 } | |
| 812 lua_settop(L, 2); | |
| 813 luaV_totypval(L, 2, &v); | |
| 4293 | 814 if (list_insert_tv(l, &v, li) == FAIL) |
| 815 { | |
| 816 clear_tv(&v); | |
| 817 luaL_error(L, "Failed to add item to list"); | |
| 818 } | |
| 819 clear_tv(&v); | |
| 3450 | 820 lua_settop(L, 1); |
| 821 return 1; | |
| 822 } | |
| 823 | |
| 824 static const luaL_Reg luaV_List_mt[] = { | |
| 825 {"__tostring", luaV_list_tostring}, | |
| 826 {"__len", luaV_list_len}, | |
| 827 {"__call", luaV_list_call}, | |
| 828 {"__index", luaV_list_index}, | |
| 829 {"__newindex", luaV_list_newindex}, | |
| 830 {"add", luaV_list_add}, | |
| 831 {"insert", luaV_list_insert}, | |
| 832 {NULL, NULL} | |
| 833 }; | |
| 834 | |
| 835 | |
| 836 /* ======= Dict type ======= */ | |
| 837 | |
| 838 static luaV_Dict * | |
| 839 luaV_newdict (lua_State *L, dict_T *dic) | |
| 840 { | |
| 841 luaV_Dict *d = (luaV_Dict *) lua_newuserdata(L, sizeof(luaV_Dict)); | |
| 842 *d = dic; | |
| 843 dic->dv_refcount++; /* reference in Lua */ | |
| 844 luaV_setudata(L, dic); /* cache[dic] = udata */ | |
| 845 luaV_getfield(L, LUAVIM_DICT); | |
| 846 lua_setmetatable(L, -2); | |
| 847 return d; | |
| 848 } | |
| 849 | |
| 850 luaV_pushtype(dict_T, dict, luaV_Dict) | |
| 851 luaV_type_tostring(dict, LUAVIM_DICT) | |
| 852 | |
| 853 static int | |
| 854 luaV_dict_len (lua_State *L) | |
| 855 { | |
| 856 dict_T *d = luaV_unbox(L, luaV_Dict, 1); | |
| 857 lua_pushinteger(L, (d == NULL) ? 0 : (int) d->dv_hashtab.ht_used); | |
| 858 return 1; | |
| 859 } | |
| 860 | |
| 861 static int | |
| 4135 | 862 luaV_dict_iter (lua_State *L UNUSED) |
| 3450 | 863 { |
| 4135 | 864 #ifdef FEAT_EVAL |
| 3450 | 865 hashitem_T *hi = (hashitem_T *) lua_touserdata(L, lua_upvalueindex(2)); |
| 866 int n = lua_tointeger(L, lua_upvalueindex(3)); | |
| 867 dictitem_T *di; | |
| 868 if (n <= 0) return 0; | |
| 869 while (HASHITEM_EMPTY(hi)) hi++; | |
| 870 di = dict_lookup(hi); | |
| 871 lua_pushstring(L, (char *) hi->hi_key); | |
| 872 luaV_pushtypval(L, &di->di_tv); | |
| 873 lua_pushlightuserdata(L, (void *) (hi + 1)); | |
| 874 lua_replace(L, lua_upvalueindex(2)); | |
| 875 lua_pushinteger(L, n - 1); | |
| 876 lua_replace(L, lua_upvalueindex(3)); | |
| 877 return 2; | |
| 4135 | 878 #else |
| 879 return 0; | |
| 880 #endif | |
| 3450 | 881 } |
| 882 | |
| 883 static int | |
| 884 luaV_dict_call (lua_State *L) | |
| 885 { | |
| 886 dict_T *d = luaV_unbox(L, luaV_Dict, 1); | |
| 887 hashtab_T *ht = &d->dv_hashtab; | |
| 888 lua_pushvalue(L, lua_upvalueindex(1)); /* pass cache table along */ | |
| 889 lua_pushlightuserdata(L, (void *) ht->ht_array); | |
| 890 lua_pushinteger(L, ht->ht_used); /* # remaining items */ | |
| 891 lua_pushcclosure(L, luaV_dict_iter, 3); | |
| 892 return 1; | |
| 893 } | |
| 894 | |
| 895 static int | |
| 896 luaV_dict_index (lua_State *L) | |
| 897 { | |
| 898 dict_T *d = luaV_unbox(L, luaV_Dict, 1); | |
| 899 char_u *key = (char_u *) luaL_checkstring(L, 2); | |
| 900 dictitem_T *di = dict_find(d, key, -1); | |
| 901 if (di == NULL) | |
| 902 lua_pushnil(L); | |
| 903 else | |
| 904 luaV_pushtypval(L, &di->di_tv); | |
| 905 return 1; | |
| 906 } | |
| 907 | |
| 908 static int | |
| 909 luaV_dict_newindex (lua_State *L) | |
| 910 { | |
| 911 dict_T *d = luaV_unbox(L, luaV_Dict, 1); | |
| 912 char_u *key = (char_u *) luaL_checkstring(L, 2); | |
| 913 dictitem_T *di; | |
| 914 if (d->dv_lock) | |
| 915 luaL_error(L, "dict is locked"); | |
| 916 di = dict_find(d, key, -1); | |
| 917 if (di == NULL) /* non-existing key? */ | |
| 918 { | |
| 919 if (lua_isnil(L, 3)) return 0; | |
| 920 di = dictitem_alloc(key); | |
| 921 if (di == NULL) return 0; | |
| 922 if (dict_add(d, di) == FAIL) | |
| 923 { | |
| 924 vim_free(di); | |
| 925 return 0; | |
| 926 } | |
| 927 } | |
| 928 else | |
| 929 clear_tv(&di->di_tv); | |
| 930 if (lua_isnil(L, 3)) /* remove? */ | |
| 931 { | |
| 932 hashitem_T *hi = hash_find(&d->dv_hashtab, di->di_key); | |
| 933 hash_remove(&d->dv_hashtab, hi); | |
| 934 dictitem_free(di); | |
| 935 } | |
| 936 else { | |
| 937 typval_T v; | |
| 938 luaV_totypval(L, 3, &v); | |
| 939 copy_tv(&v, &di->di_tv); | |
| 4293 | 940 clear_tv(&v); |
| 3450 | 941 } |
| 942 return 0; | |
| 943 } | |
| 944 | |
| 945 static const luaL_Reg luaV_Dict_mt[] = { | |
| 946 {"__tostring", luaV_dict_tostring}, | |
| 947 {"__len", luaV_dict_len}, | |
| 948 {"__call", luaV_dict_call}, | |
| 949 {"__index", luaV_dict_index}, | |
| 950 {"__newindex", luaV_dict_newindex}, | |
| 951 {NULL, NULL} | |
| 952 }; | |
| 953 | |
| 954 | |
| 955 /* ======= Buffer type ======= */ | |
| 956 | |
| 957 luaV_newtype(buf_T, buffer, luaV_Buffer, LUAVIM_BUFFER) | |
| 958 luaV_pushtype(buf_T, buffer, luaV_Buffer) | |
| 959 luaV_type_tostring(buffer, LUAVIM_BUFFER) | |
| 960 | |
| 961 static int | |
| 2330 | 962 luaV_buffer_len(lua_State *L) |
| 963 { | |
| 3450 | 964 buf_T *b = (buf_T *) luaV_checkvalid(L, luaV_Buffer, 1); |
| 965 lua_pushinteger(L, b->b_ml.ml_line_count); | |
|
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966 return 1; |
|
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967 } |
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968 |
| 2330 | 969 static int |
| 970 luaV_buffer_call(lua_State *L) | |
| 971 { | |
| 3450 | 972 buf_T *b = (buf_T *) luaV_checkvalid(L, luaV_Buffer, 1); |
|
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973 lua_settop(L, 1); |
| 3450 | 974 set_curbuf(b, DOBUF_SPLIT); |
|
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975 return 1; |
|
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976 } |
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977 |
| 2330 | 978 static int |
| 979 luaV_buffer_index(lua_State *L) | |
| 980 { | |
| 3450 | 981 buf_T *b = (buf_T *) luaV_checkvalid(L, luaV_Buffer, 1); |
|
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982 linenr_T n = (linenr_T) lua_tointeger(L, 2); |
| 3450 | 983 if (n > 0 && n <= b->b_ml.ml_line_count) |
| 984 luaV_pushline(L, b, n); | |
| 2330 | 985 else if (lua_isstring(L, 2)) |
| 986 { | |
| 987 const char *s = lua_tostring(L, 2); | |
| 988 if (strncmp(s, "name", 4) == 0) | |
| 3450 | 989 lua_pushstring(L, (char *) b->b_sfname); |
| 2330 | 990 else if (strncmp(s, "fname", 5) == 0) |
| 3450 | 991 lua_pushstring(L, (char *) b->b_ffname); |
| 2330 | 992 else if (strncmp(s, "number", 6) == 0) |
| 3450 | 993 lua_pushinteger(L, b->b_fnum); |
| 2330 | 994 /* methods */ |
| 995 else if (strncmp(s, "insert", 6) == 0 | |
| 996 || strncmp(s, "next", 4) == 0 | |
| 997 || strncmp(s, "previous", 8) == 0 | |
| 998 || strncmp(s, "isvalid", 7) == 0) | |
| 999 { | |
| 1000 lua_getmetatable(L, 1); | |
| 1001 lua_getfield(L, -1, s); | |
| 1002 } | |
| 1003 else | |
| 1004 lua_pushnil(L); | |
|
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1005 } |
| 2330 | 1006 else |
| 1007 lua_pushnil(L); | |
|
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1008 return 1; |
|
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1009 } |
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1010 |
| 2330 | 1011 static int |
| 1012 luaV_buffer_newindex(lua_State *L) | |
| 1013 { | |
| 3450 | 1014 buf_T *b = (buf_T *) luaV_checkvalid(L, luaV_Buffer, 1); |
|
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1015 linenr_T n = (linenr_T) luaL_checkinteger(L, 2); |
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1016 #ifdef HAVE_SANDBOX |
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1017 luaV_checksandbox(L); |
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1018 #endif |
| 3450 | 1019 if (n < 1 || n > b->b_ml.ml_line_count) |
| 2330 | 1020 luaL_error(L, "invalid line number"); |
| 1021 if (lua_isnil(L, 3)) /* delete line */ | |
| 1022 { | |
| 1023 buf_T *buf = curbuf; | |
| 3450 | 1024 curbuf = b; |
| 2330 | 1025 if (u_savedel(n, 1L) == FAIL) |
| 1026 { | |
| 1027 curbuf = buf; | |
| 1028 luaL_error(L, "cannot save undo information"); | |
| 1029 } | |
| 1030 else if (ml_delete(n, FALSE) == FAIL) | |
| 1031 { | |
| 1032 curbuf = buf; | |
| 1033 luaL_error(L, "cannot delete line"); | |
| 1034 } | |
| 1035 else { | |
| 1036 deleted_lines_mark(n, 1L); | |
| 3450 | 1037 if (b == curwin->w_buffer) /* fix cursor in current window? */ |
| 2330 | 1038 { |
| 1039 if (curwin->w_cursor.lnum >= n) | |
| 1040 { | |
| 1041 if (curwin->w_cursor.lnum > n) | |
| 1042 { | |
| 1043 curwin->w_cursor.lnum -= 1; | |
| 1044 check_cursor_col(); | |
| 1045 } | |
| 1046 else check_cursor(); | |
| 1047 changed_cline_bef_curs(); | |
| 1048 } | |
| 1049 invalidate_botline(); | |
| 1050 } | |
| 1051 } | |
| 1052 curbuf = buf; | |
|
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1053 } |
| 2330 | 1054 else if (lua_isstring(L, 3)) /* update line */ |
| 1055 { | |
| 1056 buf_T *buf = curbuf; | |
| 3450 | 1057 curbuf = b; |
| 2330 | 1058 if (u_savesub(n) == FAIL) |
| 1059 { | |
| 1060 curbuf = buf; | |
| 1061 luaL_error(L, "cannot save undo information"); | |
| 1062 } | |
| 1063 else if (ml_replace(n, luaV_toline(L, 3), TRUE) == FAIL) | |
| 1064 { | |
| 1065 curbuf = buf; | |
| 1066 luaL_error(L, "cannot replace line"); | |
| 1067 } | |
| 1068 else changed_bytes(n, 0); | |
| 1069 curbuf = buf; | |
| 3450 | 1070 if (b == curwin->w_buffer) |
| 2330 | 1071 check_cursor_col(); |
|
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1072 } |
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1073 else |
| 2330 | 1074 luaL_error(L, "wrong argument to change line"); |
|
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1075 return 0; |
|
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1076 } |
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1077 |
| 2330 | 1078 static int |
| 1079 luaV_buffer_insert(lua_State *L) | |
| 1080 { | |
| 3450 | 1081 luaV_Buffer *lb = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
| 1082 buf_T *b = (buf_T *) luaV_checkcache(L, (void *) *lb); | |
| 1083 linenr_T last = b->b_ml.ml_line_count; | |
|
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1084 linenr_T n = (linenr_T) luaL_optinteger(L, 3, last); |
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1085 buf_T *buf; |
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1086 luaL_checktype(L, 2, LUA_TSTRING); |
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1087 #ifdef HAVE_SANDBOX |
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1088 luaV_checksandbox(L); |
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1089 #endif |
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1090 /* fix insertion line */ |
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1091 if (n < 0) n = 0; |
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1092 if (n > last) n = last; |
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1093 /* insert */ |
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1094 buf = curbuf; |
| 3450 | 1095 curbuf = b; |
| 2330 | 1096 if (u_save(n, n + 1) == FAIL) |
| 1097 { | |
| 1098 curbuf = buf; | |
| 1099 luaL_error(L, "cannot save undo information"); | |
|
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1100 } |
| 2330 | 1101 else if (ml_append(n, luaV_toline(L, 2), 0, FALSE) == FAIL) |
| 1102 { | |
| 1103 curbuf = buf; | |
| 1104 luaL_error(L, "cannot insert line"); | |
|
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1105 } |
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1106 else |
| 2330 | 1107 appended_lines_mark(n, 1L); |
|
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1108 curbuf = buf; |
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1109 update_screen(VALID); |
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1110 return 0; |
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1111 } |
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1112 |
| 2330 | 1113 static int |
| 1114 luaV_buffer_next(lua_State *L) | |
| 1115 { | |
|
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1116 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
| 3450 | 1117 buf_T *buf = (buf_T *) luaV_checkcache(L, (void *) *b); |
| 1118 luaV_pushbuffer(L, buf->b_next); | |
|
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1119 return 1; |
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1120 } |
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1121 |
| 2330 | 1122 static int |
| 1123 luaV_buffer_previous(lua_State *L) | |
| 1124 { | |
|
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1125 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
| 3450 | 1126 buf_T *buf = (buf_T *) luaV_checkcache(L, (void *) *b); |
| 1127 luaV_pushbuffer(L, buf->b_prev); | |
|
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1128 return 1; |
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1129 } |
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1130 |
| 2330 | 1131 static int |
| 1132 luaV_buffer_isvalid(lua_State *L) | |
| 1133 { | |
|
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1134 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
| 3450 | 1135 luaV_getudata(L, *b); |
|
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diff
changeset
|
1136 lua_pushboolean(L, !lua_isnil(L, -1)); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
1137 return 1; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
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|
1138 } |
|
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|
1139 |
|
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Added Lua interfae. (Luis Carvalho)
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|
1140 static const luaL_Reg luaV_Buffer_mt[] = { |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
1141 {"__tostring", luaV_buffer_tostring}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
1142 {"__len", luaV_buffer_len}, |
|
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Added Lua interfae. (Luis Carvalho)
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|
1143 {"__call", luaV_buffer_call}, |
|
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Added Lua interfae. (Luis Carvalho)
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|
1144 {"__index", luaV_buffer_index}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
1145 {"__newindex", luaV_buffer_newindex}, |
|
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Added Lua interfae. (Luis Carvalho)
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parents:
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|
1146 {"insert", luaV_buffer_insert}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
1147 {"next", luaV_buffer_next}, |
|
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Added Lua interfae. (Luis Carvalho)
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|
1148 {"previous", luaV_buffer_previous}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
1149 {"isvalid", luaV_buffer_isvalid}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
1150 {NULL, NULL} |
|
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|
1151 }; |
|
966a5609669e
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|
1152 |
|
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|
1153 |
|
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|
1154 /* ======= Window type ======= */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
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|
1155 |
| 3450 | 1156 luaV_newtype(win_T, window, luaV_Window, LUAVIM_WINDOW) |
| 1157 luaV_pushtype(win_T, window, luaV_Window) | |
| 1158 luaV_type_tostring(window, LUAVIM_WINDOW) | |
|
2320
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Added Lua interfae. (Luis Carvalho)
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|
1159 |
| 2330 | 1160 static int |
| 1161 luaV_window_call(lua_State *L) | |
| 1162 { | |
| 3450 | 1163 win_T *w = (win_T *) luaV_checkvalid(L, luaV_Window, 1); |
|
2320
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|
1164 lua_settop(L, 1); |
| 3450 | 1165 win_goto(w); |
|
2320
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|
1166 return 1; |
|
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|
1167 } |
|
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|
1168 |
| 2330 | 1169 static int |
| 1170 luaV_window_index(lua_State *L) | |
| 1171 { | |
| 3450 | 1172 win_T *w = (win_T *) luaV_checkvalid(L, luaV_Window, 1); |
|
2320
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|
1173 const char *s = luaL_checkstring(L, 2); |
|
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|
1174 if (strncmp(s, "buffer", 6) == 0) |
| 3450 | 1175 luaV_pushbuffer(L, w->w_buffer); |
|
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|
1176 else if (strncmp(s, "line", 4) == 0) |
| 3450 | 1177 lua_pushinteger(L, w->w_cursor.lnum); |
|
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|
1178 else if (strncmp(s, "col", 3) == 0) |
| 3450 | 1179 lua_pushinteger(L, w->w_cursor.col + 1); |
|
2320
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|
1180 #ifdef FEAT_VERTSPLIT |
|
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|
1181 else if (strncmp(s, "width", 5) == 0) |
| 3450 | 1182 lua_pushinteger(L, W_WIDTH(w)); |
|
2320
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|
1183 #endif |
|
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|
1184 else if (strncmp(s, "height", 6) == 0) |
| 3450 | 1185 lua_pushinteger(L, w->w_height); |
|
2320
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|
1186 /* methods */ |
|
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Added Lua interfae. (Luis Carvalho)
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|
1187 else if (strncmp(s, "next", 4) == 0 |
| 2330 | 1188 || strncmp(s, "previous", 8) == 0 |
| 1189 || strncmp(s, "isvalid", 7) == 0) | |
| 1190 { | |
| 1191 lua_getmetatable(L, 1); | |
| 1192 lua_getfield(L, -1, s); | |
|
2320
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|
1193 } |
|
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|
1194 else |
| 2330 | 1195 lua_pushnil(L); |
|
2320
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Added Lua interfae. (Luis Carvalho)
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|
1196 return 1; |
|
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|
1197 } |
|
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|
1198 |
| 2330 | 1199 static int |
| 1200 luaV_window_newindex (lua_State *L) | |
| 1201 { | |
| 3450 | 1202 win_T *w = (win_T *) luaV_checkvalid(L, luaV_Window, 1); |
|
2320
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|
1203 const char *s = luaL_checkstring(L, 2); |
|
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Added Lua interfae. (Luis Carvalho)
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|
1204 int v = luaL_checkinteger(L, 3); |
| 2330 | 1205 if (strncmp(s, "line", 4) == 0) |
| 1206 { | |
|
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Added Lua interfae. (Luis Carvalho)
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|
1207 #ifdef HAVE_SANDBOX |
| 2330 | 1208 luaV_checksandbox(L); |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
1209 #endif |
| 3450 | 1210 if (v < 1 || v > w->w_buffer->b_ml.ml_line_count) |
| 2330 | 1211 luaL_error(L, "line out of range"); |
| 3450 | 1212 w->w_cursor.lnum = v; |
| 2330 | 1213 update_screen(VALID); |
|
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parents:
diff
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|
1214 } |
| 2330 | 1215 else if (strncmp(s, "col", 3) == 0) |
| 1216 { | |
|
2320
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Added Lua interfae. (Luis Carvalho)
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changeset
|
1217 #ifdef HAVE_SANDBOX |
| 2330 | 1218 luaV_checksandbox(L); |
|
2320
966a5609669e
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diff
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|
1219 #endif |
| 3450 | 1220 w->w_cursor.col = v - 1; |
| 2330 | 1221 update_screen(VALID); |
|
2320
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|
1222 } |
|
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|
1223 #ifdef FEAT_VERTSPLIT |
| 2330 | 1224 else if (strncmp(s, "width", 5) == 0) |
| 1225 { | |
| 1226 win_T *win = curwin; | |
|
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diff
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|
1227 #ifdef FEAT_GUI |
| 2330 | 1228 need_mouse_correct = TRUE; |
|
2320
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diff
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|
1229 #endif |
| 3450 | 1230 curwin = w; |
| 2330 | 1231 win_setwidth(v); |
| 1232 curwin = win; | |
|
2320
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|
1233 } |
|
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|
1234 #endif |
| 2330 | 1235 else if (strncmp(s, "height", 6) == 0) |
| 1236 { | |
| 1237 win_T *win = curwin; | |
|
2320
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Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
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diff
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|
1238 #ifdef FEAT_GUI |
| 2330 | 1239 need_mouse_correct = TRUE; |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
1240 #endif |
| 3450 | 1241 curwin = w; |
| 2330 | 1242 win_setheight(v); |
| 1243 curwin = win; | |
|
2320
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|
1244 } |
|
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|
1245 else |
| 2330 | 1246 luaL_error(L, "invalid window property: `%s'", s); |
|
2320
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Added Lua interfae. (Luis Carvalho)
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|
1247 return 0; |
|
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|
1248 } |
|
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|
1249 |
| 2330 | 1250 static int |
| 1251 luaV_window_next(lua_State *L) | |
| 1252 { | |
|
2320
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Added Lua interfae. (Luis Carvalho)
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diff
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|
1253 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
| 3450 | 1254 win_T *win = (win_T *) luaV_checkcache(L, (void *) *w); |
| 1255 luaV_pushwindow(L, win->w_next); | |
|
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|
1256 return 1; |
|
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|
1257 } |
|
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diff
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|
1258 |
| 2330 | 1259 static int |
| 1260 luaV_window_previous(lua_State *L) | |
| 1261 { | |
|
2320
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|
1262 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
| 3450 | 1263 win_T *win = (win_T *) luaV_checkcache(L, (void *) *w); |
| 1264 luaV_pushwindow(L, win->w_prev); | |
|
2320
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|
1265 return 1; |
|
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|
1266 } |
|
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|
1267 |
| 2330 | 1268 static int |
| 1269 luaV_window_isvalid(lua_State *L) | |
| 1270 { | |
|
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|
1271 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
| 3450 | 1272 luaV_getudata(L, *w); |
|
2320
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|
1273 lua_pushboolean(L, !lua_isnil(L, -1)); |
|
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|
1274 return 1; |
|
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|
1275 } |
|
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|
1276 |
|
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|
1277 static const luaL_Reg luaV_Window_mt[] = { |
|
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|
1278 {"__tostring", luaV_window_tostring}, |
|
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|
1279 {"__call", luaV_window_call}, |
|
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|
1280 {"__index", luaV_window_index}, |
|
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|
1281 {"__newindex", luaV_window_newindex}, |
|
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|
1282 {"next", luaV_window_next}, |
|
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|
1283 {"previous", luaV_window_previous}, |
|
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|
1284 {"isvalid", luaV_window_isvalid}, |
|
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|
1285 {NULL, NULL} |
|
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|
1286 }; |
|
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|
1287 |
|
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|
1288 |
|
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|
1289 /* ======= Vim module ======= */ |
|
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|
1290 |
| 2330 | 1291 static int |
| 1292 luaV_print(lua_State *L) | |
| 1293 { | |
|
2320
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|
1294 int i, n = lua_gettop(L); /* nargs */ |
|
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|
1295 const char *s; |
|
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|
1296 size_t l; |
|
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|
1297 luaL_Buffer b; |
|
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|
1298 luaL_buffinit(L, &b); |
|
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diff
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|
1299 lua_getglobal(L, "tostring"); |
| 2330 | 1300 for (i = 1; i <= n; i++) |
| 1301 { | |
| 1302 lua_pushvalue(L, -1); /* tostring */ | |
| 1303 lua_pushvalue(L, i); /* arg */ | |
| 1304 lua_call(L, 1, 1); | |
| 1305 s = lua_tolstring(L, -1, &l); | |
| 1306 if (s == NULL) | |
| 1307 return luaL_error(L, "cannot convert to string"); | |
| 1308 if (i > 1) luaL_addchar(&b, ' '); /* use space instead of tab */ | |
| 1309 luaV_addlstring(&b, s, l, 0); | |
| 1310 lua_pop(L, 1); | |
|
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|
1311 } |
|
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1312 luaL_pushresult(&b); |
|
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1313 luaV_msg(L); |
|
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1314 return 0; |
|
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1315 } |
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|
1316 |
| 2330 | 1317 static int |
| 3091 | 1318 luaV_debug(lua_State *L) |
| 1319 { | |
| 1320 lua_settop(L, 0); | |
| 1321 lua_getglobal(L, "vim"); | |
| 1322 lua_getfield(L, -1, "eval"); | |
| 1323 lua_remove(L, -2); /* vim.eval at position 1 */ | |
| 1324 for (;;) | |
| 1325 { | |
| 1326 const char *input; | |
| 1327 size_t l; | |
| 1328 lua_pushvalue(L, 1); /* vim.eval */ | |
| 1329 lua_pushliteral(L, "input('lua_debug> ')"); | |
| 1330 lua_call(L, 1, 1); /* return string */ | |
| 1331 input = lua_tolstring(L, -1, &l); | |
| 1332 if (l == 0 || strcmp(input, "cont") == 0) | |
| 1333 return 0; | |
| 1334 msg_putchar('\n'); /* avoid outputting on input line */ | |
| 1335 if (luaL_loadbuffer(L, input, l, "=(debug command)") | |
| 1336 || lua_pcall(L, 0, 0, 0)) | |
| 1337 luaV_emsg(L); | |
| 1338 lua_settop(L, 1); /* remove eventual returns, but keep vim.eval */ | |
| 1339 } | |
| 1340 } | |
| 1341 | |
| 1342 static int | |
| 2330 | 1343 luaV_command(lua_State *L) |
| 1344 { | |
|
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1345 do_cmdline_cmd((char_u *) luaL_checkstring(L, 1)); |
|
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1346 update_screen(VALID); |
|
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1347 return 0; |
|
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1348 } |
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1349 |
| 2330 | 1350 static int |
| 1351 luaV_eval(lua_State *L) | |
| 1352 { | |
|
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1353 typval_T *tv = eval_expr((char_u *) luaL_checkstring(L, 1), NULL); |
|
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1354 if (tv == NULL) luaL_error(L, "invalid expression"); |
|
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1355 luaV_pushtypval(L, tv); |
| 4293 | 1356 free_tv(tv); |
|
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1357 return 1; |
|
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1358 } |
|
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|
1359 |
| 2330 | 1360 static int |
|
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|
1361 luaV_beep(lua_State *L UNUSED) |
| 2330 | 1362 { |
| 6949 | 1363 vim_beep(BO_LANG); |
|
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1364 return 0; |
|
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1365 } |
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1366 |
| 2330 | 1367 static int |
| 1368 luaV_line(lua_State *L) | |
| 1369 { | |
|
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1370 luaV_pushline(L, curbuf, curwin->w_cursor.lnum); |
|
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1371 return 1; |
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1372 } |
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|
1373 |
| 2330 | 1374 static int |
| 3450 | 1375 luaV_list(lua_State *L) |
| 1376 { | |
| 1377 list_T *l = list_alloc(); | |
| 1378 if (l == NULL) | |
| 1379 lua_pushnil(L); | |
| 1380 else | |
| 1381 luaV_newlist(L, l); | |
| 1382 return 1; | |
| 1383 } | |
| 1384 | |
| 1385 static int | |
| 1386 luaV_dict(lua_State *L) | |
| 1387 { | |
| 1388 dict_T *d = dict_alloc(); | |
| 1389 if (d == NULL) | |
| 1390 lua_pushnil(L); | |
| 1391 else | |
| 1392 luaV_newdict(L, d); | |
| 1393 return 1; | |
| 1394 } | |
| 1395 | |
| 1396 static int | |
| 2330 | 1397 luaV_buffer(lua_State *L) |
| 1398 { | |
|
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1399 buf_T *buf; |
| 2330 | 1400 if (lua_isstring(L, 1)) /* get by number or name? */ |
| 1401 { | |
| 1402 if (lua_isnumber(L, 1)) /* by number? */ | |
| 1403 { | |
| 1404 int n = lua_tointeger(L, 1); | |
| 1405 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 1406 if (buf->b_fnum == n) break; | |
| 1407 } | |
| 1408 else { /* by name */ | |
| 1409 size_t l; | |
| 1410 const char *s = lua_tolstring(L, 1, &l); | |
| 1411 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 1412 { | |
| 1413 if (buf->b_ffname == NULL || buf->b_sfname == NULL) | |
| 1414 { | |
| 1415 if (l == 0) break; | |
| 1416 } | |
|
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1417 else if (strncmp(s, (char *)buf->b_ffname, l) == 0 |
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1418 || strncmp(s, (char *)buf->b_sfname, l) == 0) |
| 2330 | 1419 break; |
| 1420 } | |
| 1421 } | |
|
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1422 } |
| 3450 | 1423 else |
| 2330 | 1424 buf = (lua_toboolean(L, 1)) ? firstbuf : curbuf; /* first buffer? */ |
| 3450 | 1425 luaV_pushbuffer(L, buf); |
|
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1426 return 1; |
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1427 } |
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1428 |
| 2330 | 1429 static int |
| 1430 luaV_window(lua_State *L) | |
| 1431 { | |
|
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1432 win_T *win; |
| 2330 | 1433 if (lua_isnumber(L, 1)) /* get by number? */ |
| 1434 { | |
| 1435 int n = lua_tointeger(L, 1); | |
| 1436 for (win = firstwin; win != NULL; win = win->w_next, n--) | |
| 1437 if (n == 1) break; | |
|
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1438 } |
| 3450 | 1439 else |
| 2330 | 1440 win = (lua_toboolean(L, 1)) ? firstwin : curwin; /* first window? */ |
| 3450 | 1441 luaV_pushwindow(L, win); |
|
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1442 return 1; |
|
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1443 } |
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1444 |
| 2330 | 1445 static int |
| 1446 luaV_open(lua_State *L) | |
| 1447 { | |
|
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1448 char_u *s = NULL; |
|
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1449 #ifdef HAVE_SANDBOX |
|
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1450 luaV_checksandbox(L); |
|
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1451 #endif |
|
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|
1452 if (lua_isstring(L, 1)) s = (char_u *) lua_tostring(L, 1); |
| 3200 | 1453 luaV_pushbuffer(L, buflist_new(s, NULL, 1L, BLN_LISTED)); |
|
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1454 return 1; |
|
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|
1455 } |
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|
1456 |
| 2330 | 1457 static int |
| 3450 | 1458 luaV_type(lua_State *L) |
| 2330 | 1459 { |
| 3450 | 1460 luaL_checkany(L, 1); |
| 1461 if (lua_type(L, 1) == LUA_TUSERDATA) /* check vim udata? */ | |
| 1462 { | |
| 1463 lua_settop(L, 1); | |
| 1464 if (lua_getmetatable(L, 1)) | |
| 1465 { | |
| 1466 luaV_getfield(L, LUAVIM_LIST); | |
| 1467 if (lua_rawequal(L, -1, 2)) | |
| 1468 { | |
| 1469 lua_pushstring(L, "list"); | |
| 1470 return 1; | |
| 1471 } | |
| 1472 luaV_getfield(L, LUAVIM_DICT); | |
| 1473 if (lua_rawequal(L, -1, 2)) | |
| 1474 { | |
| 1475 lua_pushstring(L, "dict"); | |
| 1476 return 1; | |
| 1477 } | |
| 1478 luaV_getfield(L, LUAVIM_BUFFER); | |
| 1479 if (lua_rawequal(L, -1, 2)) | |
| 1480 { | |
| 1481 lua_pushstring(L, "buffer"); | |
| 1482 return 1; | |
| 1483 } | |
| 1484 luaV_getfield(L, LUAVIM_WINDOW); | |
| 1485 if (lua_rawequal(L, -1, 2)) | |
| 1486 { | |
| 1487 lua_pushstring(L, "window"); | |
| 1488 return 1; | |
| 1489 } | |
| 1490 } | |
| 1491 } | |
| 1492 lua_pushstring(L, luaL_typename(L, 1)); /* fallback */ | |
|
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1493 return 1; |
|
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|
1494 } |
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1495 |
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1496 static const luaL_Reg luaV_module[] = { |
|
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1497 {"command", luaV_command}, |
|
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|
1498 {"eval", luaV_eval}, |
|
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|
1499 {"beep", luaV_beep}, |
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|
1500 {"line", luaV_line}, |
| 3450 | 1501 {"list", luaV_list}, |
| 1502 {"dict", luaV_dict}, | |
|
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|
1503 {"buffer", luaV_buffer}, |
|
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|
1504 {"window", luaV_window}, |
|
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|
1505 {"open", luaV_open}, |
| 3450 | 1506 {"type", luaV_type}, |
|
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1507 {NULL, NULL} |
|
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|
1508 }; |
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|
1509 |
| 3450 | 1510 /* for freeing list, dict, buffer and window objects; lightuserdata as arg */ |
| 1511 static int | |
| 1512 luaV_free(lua_State *L) | |
| 1513 { | |
| 1514 lua_pushnil(L); | |
| 1515 luaV_setudata(L, lua_touserdata(L, 1)); | |
| 1516 return 0; | |
| 1517 } | |
| 1518 | |
| 1519 static int | |
| 1520 luaV_luaeval (lua_State *L) | |
| 1521 { | |
| 1522 luaL_Buffer b; | |
| 1523 size_t l; | |
| 1524 const char *str = lua_tolstring(L, 1, &l); | |
| 1525 typval_T *arg = (typval_T *) lua_touserdata(L, 2); | |
| 1526 typval_T *rettv = (typval_T *) lua_touserdata(L, 3); | |
| 1527 luaL_buffinit(L, &b); | |
| 1528 luaL_addlstring(&b, LUAVIM_EVALHEADER, sizeof(LUAVIM_EVALHEADER) - 1); | |
| 1529 luaL_addlstring(&b, str, l); | |
| 1530 luaL_pushresult(&b); | |
| 1531 str = lua_tolstring(L, -1, &l); | |
| 1532 if (luaL_loadbuffer(L, str, l, LUAVIM_EVALNAME)) /* compile error? */ | |
| 1533 { | |
| 1534 luaV_emsg(L); | |
| 1535 return 0; | |
| 1536 } | |
| 1537 luaV_pushtypval(L, arg); | |
| 1538 if (lua_pcall(L, 1, 1, 0)) /* running error? */ | |
| 1539 { | |
| 1540 luaV_emsg(L); | |
| 1541 return 0; | |
| 1542 } | |
| 1543 luaV_totypval(L, -1, rettv); | |
| 6590 | 1544 return 0; |
| 3450 | 1545 } |
| 1546 | |
| 1547 static int | |
| 1548 luaV_setref (lua_State *L) | |
| 1549 { | |
| 6565 | 1550 int copyID = lua_tointeger(L, 1); |
| 1551 int abort = FALSE; | |
| 1552 typval_T tv; | |
| 1553 | |
| 3450 | 1554 luaV_getfield(L, LUAVIM_LIST); |
| 1555 luaV_getfield(L, LUAVIM_DICT); | |
| 1556 lua_pushnil(L); | |
| 6586 | 1557 /* traverse cache table */ |
| 1558 while (!abort && lua_next(L, lua_upvalueindex(1)) != 0) | |
| 3450 | 1559 { |
| 1560 lua_getmetatable(L, -1); | |
| 1561 if (lua_rawequal(L, -1, 2)) /* list? */ | |
| 1562 { | |
| 1563 tv.v_type = VAR_LIST; | |
| 1564 tv.vval.v_list = (list_T *) lua_touserdata(L, 4); /* key */ | |
|
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|
1565 abort = set_ref_in_item(&tv, copyID, NULL, NULL); |
| 3450 | 1566 } |
| 1567 else if (lua_rawequal(L, -1, 3)) /* dict? */ | |
| 1568 { | |
| 1569 tv.v_type = VAR_DICT; | |
| 1570 tv.vval.v_dict = (dict_T *) lua_touserdata(L, 4); /* key */ | |
|
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diff
changeset
|
1571 abort = set_ref_in_item(&tv, copyID, NULL, NULL); |
| 3450 | 1572 } |
| 1573 lua_pop(L, 2); /* metatable and value */ | |
| 1574 } | |
| 6565 | 1575 lua_pushinteger(L, abort); |
| 6590 | 1576 return 1; |
| 3450 | 1577 } |
| 1578 | |
| 2330 | 1579 static int |
| 1580 luaopen_vim(lua_State *L) | |
| 1581 { | |
| 3450 | 1582 /* set cache table */ |
|
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|
1583 lua_newtable(L); |
|
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|
1584 lua_newtable(L); |
| 3450 | 1585 lua_pushstring(L, "v"); |
|
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|
1586 lua_setfield(L, -2, "__mode"); |
| 3450 | 1587 lua_setmetatable(L, -2); /* cache is weak-valued */ |
|
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|
1588 /* print */ |
|
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|
1589 lua_pushcfunction(L, luaV_print); |
|
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|
1590 lua_setglobal(L, "print"); |
| 3091 | 1591 /* debug.debug */ |
| 1592 lua_getglobal(L, "debug"); | |
| 1593 lua_pushcfunction(L, luaV_debug); | |
| 1594 lua_setfield(L, -2, "debug"); | |
| 1595 lua_pop(L, 1); | |
|
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|
1596 /* free */ |
|
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|
1597 lua_pushlightuserdata(L, (void *) LUAVIM_FREE); |
| 3450 | 1598 lua_pushvalue(L, 1); /* cache table */ |
| 1599 lua_pushcclosure(L, luaV_free, 1); | |
| 1600 lua_rawset(L, LUA_REGISTRYINDEX); | |
| 1601 /* luaeval */ | |
| 1602 lua_pushlightuserdata(L, (void *) LUAVIM_LUAEVAL); | |
| 1603 lua_pushvalue(L, 1); /* cache table */ | |
| 1604 lua_pushcclosure(L, luaV_luaeval, 1); | |
| 1605 lua_rawset(L, LUA_REGISTRYINDEX); | |
| 1606 /* setref */ | |
| 1607 lua_pushlightuserdata(L, (void *) LUAVIM_SETREF); | |
| 1608 lua_pushvalue(L, 1); /* cache table */ | |
| 1609 lua_pushcclosure(L, luaV_setref, 1); | |
|
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|
1610 lua_rawset(L, LUA_REGISTRYINDEX); |
|
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|
1611 /* register */ |
| 3450 | 1612 luaV_newmetatable(L, LUAVIM_LIST); |
| 1613 lua_pushvalue(L, 1); | |
| 1614 luaV_openlib(L, luaV_List_mt, 1); | |
| 1615 luaV_newmetatable(L, LUAVIM_DICT); | |
| 1616 lua_pushvalue(L, 1); | |
| 1617 luaV_openlib(L, luaV_Dict_mt, 1); | |
|
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|
1618 luaV_newmetatable(L, LUAVIM_BUFFER); |
| 3450 | 1619 lua_pushvalue(L, 1); /* cache table */ |
| 1620 luaV_openlib(L, luaV_Buffer_mt, 1); | |
|
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|
1621 luaV_newmetatable(L, LUAVIM_WINDOW); |
| 3450 | 1622 lua_pushvalue(L, 1); /* cache table */ |
| 1623 luaV_openlib(L, luaV_Window_mt, 1); | |
| 1624 lua_newtable(L); /* vim table */ | |
| 1625 lua_pushvalue(L, 1); /* cache table */ | |
| 1626 luaV_openlib(L, luaV_module, 1); | |
| 1627 lua_setglobal(L, LUAVIM_NAME); | |
|
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|
1628 return 0; |
|
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|
1629 } |
|
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|
1630 |
| 2330 | 1631 static lua_State * |
| 1632 luaV_newstate(void) | |
| 1633 { | |
|
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|
1634 lua_State *L = luaL_newstate(); |
|
2431
7b764999f9b9
Update for Lua interface. (Luis Carvalho)
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2373
diff
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|
1635 luaL_openlibs(L); /* core libs */ |
|
7b764999f9b9
Update for Lua interface. (Luis Carvalho)
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2373
diff
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|
1636 lua_pushcfunction(L, luaopen_vim); /* vim */ |
|
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|
1637 lua_call(L, 0, 0); |
|
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|
1638 return L; |
|
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|
1639 } |
|
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|
1640 |
| 2330 | 1641 static void |
| 1642 luaV_setrange(lua_State *L, int line1, int line2) | |
| 1643 { | |
|
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|
1644 lua_getglobal(L, LUAVIM_NAME); |
|
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|
1645 lua_pushinteger(L, line1); |
|
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|
1646 lua_setfield(L, -2, "firstline"); |
|
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|
1647 lua_pushinteger(L, line2); |
|
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|
1648 lua_setfield(L, -2, "lastline"); |
|
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|
1649 lua_pop(L, 1); /* vim table */ |
|
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|
1650 } |
|
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|
1651 |
|
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|
1652 |
|
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|
1653 /* ======= Interface ======= */ |
|
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|
1654 |
|
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|
1655 static lua_State *L = NULL; |
|
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Added Lua interfae. (Luis Carvalho)
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|
1656 |
| 2330 | 1657 static int |
| 3450 | 1658 lua_isopen(void) |
|
2543
8c512e2c7cb5
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2431
diff
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|
1659 { |
|
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
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|
1660 return L != NULL; |
|
8c512e2c7cb5
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2431
diff
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|
1661 } |
|
8c512e2c7cb5
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|
1662 |
|
8c512e2c7cb5
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diff
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|
1663 static int |
| 2330 | 1664 lua_init(void) |
| 1665 { | |
| 3450 | 1666 if (!lua_isopen()) |
| 2330 | 1667 { |
|
2320
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|
1668 #ifdef DYNAMIC_LUA |
| 2330 | 1669 if (!lua_enabled(TRUE)) |
| 1670 { | |
| 1671 EMSG(_("Lua library cannot be loaded.")); | |
| 1672 return FAIL; | |
| 1673 } | |
|
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|
1674 #endif |
| 2330 | 1675 L = luaV_newstate(); |
|
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|
1676 } |
|
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|
1677 return OK; |
|
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|
1678 } |
|
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|
1679 |
| 2330 | 1680 void |
| 1681 lua_end(void) | |
| 1682 { | |
| 3450 | 1683 if (lua_isopen()) |
| 2330 | 1684 { |
| 1685 lua_close(L); | |
| 1686 L = NULL; | |
|
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|
1687 #ifdef DYNAMIC_LUA |
| 2330 | 1688 end_dynamic_lua(); |
|
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|
1689 #endif |
|
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|
1690 } |
|
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|
1691 } |
|
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|
1692 |
|
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|
1693 /* ex commands */ |
| 2330 | 1694 void |
| 1695 ex_lua(exarg_T *eap) | |
| 1696 { | |
|
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|
1697 char *script; |
|
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|
1698 if (lua_init() == FAIL) return; |
|
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|
1699 script = (char *) script_get(eap, eap->arg); |
| 2330 | 1700 if (!eap->skip) |
| 1701 { | |
| 1702 char *s = (script) ? script : (char *) eap->arg; | |
| 1703 luaV_setrange(L, eap->line1, eap->line2); | |
| 1704 if (luaL_loadbuffer(L, s, strlen(s), LUAVIM_CHUNKNAME) | |
| 1705 || lua_pcall(L, 0, 0, 0)) | |
| 1706 luaV_emsg(L); | |
|
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|
1707 } |
|
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|
1708 if (script != NULL) vim_free(script); |
|
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|
1709 } |
|
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|
1710 |
| 2330 | 1711 void |
| 1712 ex_luado(exarg_T *eap) | |
| 1713 { | |
|
2320
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|
1714 linenr_T l; |
|
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|
1715 const char *s = (const char *) eap->arg; |
|
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|
1716 luaL_Buffer b; |
|
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|
1717 size_t len; |
|
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|
1718 if (lua_init() == FAIL) return; |
| 2330 | 1719 if (u_save(eap->line1 - 1, eap->line2 + 1) == FAIL) |
| 1720 { | |
| 1721 EMSG(_("cannot save undo information")); | |
| 1722 return; | |
|
2320
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|
1723 } |
|
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|
1724 luaV_setrange(L, eap->line1, eap->line2); |
|
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|
1725 luaL_buffinit(L, &b); |
| 3459 | 1726 luaL_addlstring(&b, "return function(line, linenr) ", 30); /* header */ |
|
2320
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|
1727 luaL_addlstring(&b, s, strlen(s)); |
|
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|
1728 luaL_addlstring(&b, " end", 4); /* footer */ |
|
966a5609669e
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|
1729 luaL_pushresult(&b); |
|
966a5609669e
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|
1730 s = lua_tolstring(L, -1, &len); |
| 2330 | 1731 if (luaL_loadbuffer(L, s, len, LUAVIM_CHUNKNAME)) |
| 1732 { | |
| 1733 luaV_emsg(L); | |
| 1734 lua_pop(L, 1); /* function body */ | |
| 1735 return; | |
|
2320
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|
1736 } |
|
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|
1737 lua_call(L, 0, 1); |
|
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|
1738 lua_replace(L, -2); /* function -> body */ |
| 2330 | 1739 for (l = eap->line1; l <= eap->line2; l++) |
| 1740 { | |
| 1741 lua_pushvalue(L, -1); /* function */ | |
| 1742 luaV_pushline(L, curbuf, l); /* current line as arg */ | |
| 3459 | 1743 lua_pushinteger(L, l); /* current line number as arg */ |
| 1744 if (lua_pcall(L, 2, 1, 0)) | |
| 2330 | 1745 { |
| 1746 luaV_emsg(L); | |
| 1747 break; | |
| 1748 } | |
| 1749 if (lua_isstring(L, -1)) /* update line? */ | |
| 1750 { | |
|
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|
1751 #ifdef HAVE_SANDBOX |
| 2330 | 1752 luaV_checksandbox(L); |
|
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|
1753 #endif |
| 2330 | 1754 ml_replace(l, luaV_toline(L, -1), TRUE); |
| 1755 changed_bytes(l, 0); | |
| 1756 lua_pop(L, 1); /* result from luaV_toline */ | |
| 1757 } | |
| 1758 lua_pop(L, 1); /* line */ | |
|
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|
1759 } |
|
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|
1760 lua_pop(L, 1); /* function */ |
|
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|
1761 check_cursor(); |
|
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|
1762 update_screen(NOT_VALID); |
|
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|
1763 } |
|
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|
1764 |
| 2330 | 1765 void |
| 1766 ex_luafile(exarg_T *eap) | |
| 1767 { | |
| 1768 if (lua_init() == FAIL) | |
| 1769 return; | |
| 1770 if (!eap->skip) | |
| 1771 { | |
| 1772 luaV_setrange(L, eap->line1, eap->line2); | |
| 1773 if (luaL_loadfile(L, (char *) eap->arg) || lua_pcall(L, 0, 0, 0)) | |
| 1774 luaV_emsg(L); | |
|
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|
1775 } |
|
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|
1776 } |
|
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|
1777 |
| 3450 | 1778 #define luaV_freetype(typ,tname) \ |
| 1779 void \ | |
| 1780 lua_##tname##_free(typ *o) \ | |
| 1781 { \ | |
| 1782 if (!lua_isopen()) return; \ | |
| 1783 luaV_getfield(L, LUAVIM_FREE); \ | |
| 1784 lua_pushlightuserdata(L, (void *) o); \ | |
| 1785 lua_call(L, 1, 0); \ | |
| 1786 } | |
| 1787 | |
| 1788 luaV_freetype(buf_T, buffer) | |
| 1789 luaV_freetype(win_T, window) | |
| 1790 | |
| 2330 | 1791 void |
| 3450 | 1792 do_luaeval (char_u *str, typval_T *arg, typval_T *rettv) |
| 2330 | 1793 { |
| 3450 | 1794 lua_init(); |
| 1795 luaV_getfield(L, LUAVIM_LUAEVAL); | |
| 1796 lua_pushstring(L, (char *) str); | |
| 1797 lua_pushlightuserdata(L, (void *) arg); | |
| 1798 lua_pushlightuserdata(L, (void *) rettv); | |
| 1799 lua_call(L, 3, 0); | |
|
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|
1800 } |
|
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|
1801 |
| 6565 | 1802 int |
| 3450 | 1803 set_ref_in_lua (int copyID) |
| 2330 | 1804 { |
| 6565 | 1805 int aborted = 0; |
| 1806 | |
| 1807 if (lua_isopen()) | |
| 1808 { | |
| 1809 luaV_getfield(L, LUAVIM_SETREF); | |
| 1810 /* call the function with 1 arg, getting 1 result back */ | |
| 1811 lua_pushinteger(L, copyID); | |
| 1812 lua_call(L, 1, 1); | |
| 1813 /* get the result */ | |
| 1814 aborted = lua_tointeger(L, -1); | |
| 1815 /* pop result off the stack */ | |
| 1816 lua_pop(L, 1); | |
| 1817 } | |
| 1818 return aborted; | |
|
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Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1819 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1820 |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1821 #endif |