Mercurial > vim
annotate src/if_lua.c @ 4270:c5eab656ec51 v7.3.885
updated for version 7.3.885
Problem: Double free for list and dict in Lua. (Shougo Matsu)
Solution: Do not unref list and dict. (Yasuhiro Matsumoto)
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Fri, 12 Apr 2013 12:18:49 +0200 |
| parents | 688da4d486a0 |
| children | af3a3680fc75 |
| 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 |
| 3450 | 122 #define lua_typename dll_lua_typename |
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123 #define lua_close dll_lua_close |
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124 #define lua_gettop dll_lua_gettop |
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125 #define lua_settop dll_lua_settop |
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126 #define lua_pushvalue dll_lua_pushvalue |
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127 #define lua_replace dll_lua_replace |
| 3450 | 128 #define lua_remove dll_lua_remove |
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129 #define lua_isnumber dll_lua_isnumber |
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130 #define lua_isstring dll_lua_isstring |
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131 #define lua_type dll_lua_type |
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132 #define lua_rawequal dll_lua_rawequal |
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133 #define lua_toboolean dll_lua_toboolean |
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134 #define lua_tolstring dll_lua_tolstring |
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135 #define lua_touserdata dll_lua_touserdata |
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136 #define lua_pushnil dll_lua_pushnil |
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137 #define lua_pushnumber dll_lua_pushnumber |
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138 #define lua_pushinteger dll_lua_pushinteger |
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139 #define lua_pushlstring dll_lua_pushlstring |
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140 #define lua_pushstring dll_lua_pushstring |
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141 #define lua_pushfstring dll_lua_pushfstring |
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142 #define lua_pushcclosure dll_lua_pushcclosure |
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143 #define lua_pushboolean dll_lua_pushboolean |
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144 #define lua_pushlightuserdata dll_lua_pushlightuserdata |
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145 #define lua_getfield dll_lua_getfield |
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146 #define lua_rawget dll_lua_rawget |
| 3450 | 147 #define lua_rawgeti dll_lua_rawgeti |
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148 #define lua_createtable dll_lua_createtable |
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149 #define lua_newuserdata dll_lua_newuserdata |
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150 #define lua_getmetatable dll_lua_getmetatable |
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151 #define lua_setfield dll_lua_setfield |
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152 #define lua_rawset dll_lua_rawset |
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153 #define lua_rawseti dll_lua_rawseti |
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154 #define lua_setmetatable dll_lua_setmetatable |
| 3459 | 155 #define lua_next dll_lua_next |
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156 /* libs */ |
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157 #define luaopen_base dll_luaopen_base |
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158 #define luaopen_table dll_luaopen_table |
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159 #define luaopen_string dll_luaopen_string |
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160 #define luaopen_math dll_luaopen_math |
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161 #define luaopen_io dll_luaopen_io |
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162 #define luaopen_os dll_luaopen_os |
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163 #define luaopen_package dll_luaopen_package |
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164 #define luaopen_debug dll_luaopen_debug |
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165 #define luaL_openlibs dll_luaL_openlibs |
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166 |
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167 /* lauxlib */ |
| 3450 | 168 #if LUA_VERSION_NUM <= 501 |
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169 void (*dll_luaL_register) (lua_State *L, const char *libname, const luaL_Reg *l); |
| 3450 | 170 char *(*dll_luaL_prepbuffer) (luaL_Buffer *B); |
| 171 void (*dll_luaL_openlib) (lua_State *L, const char *libname, const luaL_Reg *l, int nup); | |
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172 int (*dll_luaL_typerror) (lua_State *L, int narg, const char *tname); |
| 3450 | 173 int (*dll_luaL_loadfile) (lua_State *L, const char *filename); |
| 174 int (*dll_luaL_loadbuffer) (lua_State *L, const char *buff, size_t sz, const char *name); | |
| 175 #else | |
| 176 char *(*dll_luaL_prepbuffsize) (luaL_Buffer *B, size_t sz); | |
| 177 void (*dll_luaL_setfuncs) (lua_State *L, const luaL_Reg *l, int nup); | |
| 178 int (*dll_luaL_loadfilex) (lua_State *L, const char *filename, const char *mode); | |
| 179 int (*dll_luaL_loadbufferx) (lua_State *L, const char *buff, size_t sz, const char *name, const char *mode); | |
| 180 int (*dll_luaL_argerror) (lua_State *L, int numarg, const char *extramsg); | |
| 181 #endif | |
| 3459 | 182 void (*dll_luaL_checkany) (lua_State *L, int narg); |
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183 const char *(*dll_luaL_checklstring) (lua_State *L, int numArg, size_t *l); |
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184 lua_Integer (*dll_luaL_checkinteger) (lua_State *L, int numArg); |
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185 lua_Integer (*dll_luaL_optinteger) (lua_State *L, int nArg, lua_Integer def); |
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186 void (*dll_luaL_checktype) (lua_State *L, int narg, int t); |
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187 int (*dll_luaL_error) (lua_State *L, const char *fmt, ...); |
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188 lua_State *(*dll_luaL_newstate) (void); |
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189 void (*dll_luaL_buffinit) (lua_State *L, luaL_Buffer *B); |
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190 void (*dll_luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l); |
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191 void (*dll_luaL_pushresult) (luaL_Buffer *B); |
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192 /* lua */ |
| 3450 | 193 #if LUA_VERSION_NUM <= 501 |
| 194 lua_Number (*dll_lua_tonumber) (lua_State *L, int idx); | |
| 195 lua_Integer (*dll_lua_tointeger) (lua_State *L, int idx); | |
| 196 void (*dll_lua_call) (lua_State *L, int nargs, int nresults); | |
| 197 int (*dll_lua_pcall) (lua_State *L, int nargs, int nresults, int errfunc); | |
| 198 #else | |
| 199 lua_Number (*dll_lua_tonumberx) (lua_State *L, int idx, int *isnum); | |
| 200 lua_Integer (*dll_lua_tointegerx) (lua_State *L, int idx, int *isnum); | |
| 201 void (*dll_lua_callk) (lua_State *L, int nargs, int nresults, int ctx, | |
| 3618 | 202 lua_CFunction k); |
| 3450 | 203 int (*dll_lua_pcallk) (lua_State *L, int nargs, int nresults, int errfunc, |
| 3618 | 204 int ctx, lua_CFunction k); |
| 3450 | 205 void (*dll_lua_getglobal) (lua_State *L, const char *var); |
| 206 void (*dll_lua_setglobal) (lua_State *L, const char *var); | |
| 3459 | 207 #endif |
| 3450 | 208 const char *(*dll_lua_typename) (lua_State *L, int tp); |
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209 void (*dll_lua_close) (lua_State *L); |
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210 int (*dll_lua_gettop) (lua_State *L); |
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211 void (*dll_lua_settop) (lua_State *L, int idx); |
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212 void (*dll_lua_pushvalue) (lua_State *L, int idx); |
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213 void (*dll_lua_replace) (lua_State *L, int idx); |
| 3450 | 214 void (*dll_lua_remove) (lua_State *L, int idx); |
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215 int (*dll_lua_isnumber) (lua_State *L, int idx); |
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216 int (*dll_lua_isstring) (lua_State *L, int idx); |
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217 int (*dll_lua_type) (lua_State *L, int idx); |
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218 int (*dll_lua_rawequal) (lua_State *L, int idx1, int idx2); |
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219 int (*dll_lua_toboolean) (lua_State *L, int idx); |
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220 const char *(*dll_lua_tolstring) (lua_State *L, int idx, size_t *len); |
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221 void *(*dll_lua_touserdata) (lua_State *L, int idx); |
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222 void (*dll_lua_pushnil) (lua_State *L); |
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223 void (*dll_lua_pushnumber) (lua_State *L, lua_Number n); |
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224 void (*dll_lua_pushinteger) (lua_State *L, lua_Integer n); |
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225 void (*dll_lua_pushlstring) (lua_State *L, const char *s, size_t l); |
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226 void (*dll_lua_pushstring) (lua_State *L, const char *s); |
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227 const char *(*dll_lua_pushfstring) (lua_State *L, const char *fmt, ...); |
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228 void (*dll_lua_pushcclosure) (lua_State *L, lua_CFunction fn, int n); |
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229 void (*dll_lua_pushboolean) (lua_State *L, int b); |
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230 void (*dll_lua_pushlightuserdata) (lua_State *L, void *p); |
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231 void (*dll_lua_getfield) (lua_State *L, int idx, const char *k); |
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232 void (*dll_lua_rawget) (lua_State *L, int idx); |
| 3450 | 233 void (*dll_lua_rawgeti) (lua_State *L, int idx, int n); |
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234 void (*dll_lua_createtable) (lua_State *L, int narr, int nrec); |
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235 void *(*dll_lua_newuserdata) (lua_State *L, size_t sz); |
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236 int (*dll_lua_getmetatable) (lua_State *L, int objindex); |
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237 void (*dll_lua_setfield) (lua_State *L, int idx, const char *k); |
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238 void (*dll_lua_rawset) (lua_State *L, int idx); |
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239 void (*dll_lua_rawseti) (lua_State *L, int idx, int n); |
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240 int (*dll_lua_setmetatable) (lua_State *L, int objindex); |
| 3459 | 241 int (*dll_lua_next) (lua_State *L, int idx); |
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242 /* libs */ |
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243 int (*dll_luaopen_base) (lua_State *L); |
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244 int (*dll_luaopen_table) (lua_State *L); |
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245 int (*dll_luaopen_string) (lua_State *L); |
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246 int (*dll_luaopen_math) (lua_State *L); |
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247 int (*dll_luaopen_io) (lua_State *L); |
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248 int (*dll_luaopen_os) (lua_State *L); |
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249 int (*dll_luaopen_package) (lua_State *L); |
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250 int (*dll_luaopen_debug) (lua_State *L); |
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251 void (*dll_luaL_openlibs) (lua_State *L); |
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252 |
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253 typedef void **luaV_function; |
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254 typedef struct { |
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255 const char *name; |
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256 luaV_function func; |
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257 } luaV_Reg; |
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258 |
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259 static const luaV_Reg luaV_dll[] = { |
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260 /* lauxlib */ |
| 3450 | 261 #if LUA_VERSION_NUM <= 501 |
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262 {"luaL_register", (luaV_function) &dll_luaL_register}, |
| 3450 | 263 {"luaL_prepbuffer", (luaV_function) &dll_luaL_prepbuffer}, |
| 264 {"luaL_openlib", (luaV_function) &dll_luaL_openlib}, | |
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265 {"luaL_typerror", (luaV_function) &dll_luaL_typerror}, |
| 3450 | 266 {"luaL_loadfile", (luaV_function) &dll_luaL_loadfile}, |
| 267 {"luaL_loadbuffer", (luaV_function) &dll_luaL_loadbuffer}, | |
| 268 #else | |
| 269 {"luaL_prepbuffsize", (luaV_function) &dll_luaL_prepbuffsize}, | |
| 270 {"luaL_setfuncs", (luaV_function) &dll_luaL_setfuncs}, | |
| 271 {"luaL_loadfilex", (luaV_function) &dll_luaL_loadfilex}, | |
| 272 {"luaL_loadbufferx", (luaV_function) &dll_luaL_loadbufferx}, | |
| 273 {"luaL_argerror", (luaV_function) &dll_luaL_argerror}, | |
| 274 #endif | |
| 3459 | 275 {"luaL_checkany", (luaV_function) &dll_luaL_checkany}, |
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276 {"luaL_checklstring", (luaV_function) &dll_luaL_checklstring}, |
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277 {"luaL_checkinteger", (luaV_function) &dll_luaL_checkinteger}, |
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278 {"luaL_optinteger", (luaV_function) &dll_luaL_optinteger}, |
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279 {"luaL_checktype", (luaV_function) &dll_luaL_checktype}, |
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280 {"luaL_error", (luaV_function) &dll_luaL_error}, |
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281 {"luaL_newstate", (luaV_function) &dll_luaL_newstate}, |
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282 {"luaL_buffinit", (luaV_function) &dll_luaL_buffinit}, |
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283 {"luaL_addlstring", (luaV_function) &dll_luaL_addlstring}, |
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284 {"luaL_pushresult", (luaV_function) &dll_luaL_pushresult}, |
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285 /* lua */ |
| 3450 | 286 #if LUA_VERSION_NUM <= 501 |
| 287 {"lua_tonumber", (luaV_function) &dll_lua_tonumber}, | |
| 288 {"lua_tointeger", (luaV_function) &dll_lua_tointeger}, | |
| 289 {"lua_call", (luaV_function) &dll_lua_call}, | |
| 290 {"lua_pcall", (luaV_function) &dll_lua_pcall}, | |
| 291 #else | |
| 292 {"lua_tonumberx", (luaV_function) &dll_lua_tonumberx}, | |
| 293 {"lua_tointegerx", (luaV_function) &dll_lua_tointegerx}, | |
| 294 {"lua_callk", (luaV_function) &dll_lua_callk}, | |
| 295 {"lua_pcallk", (luaV_function) &dll_lua_pcallk}, | |
| 296 {"lua_getglobal", (luaV_function) &dll_lua_getglobal}, | |
| 297 {"lua_setglobal", (luaV_function) &dll_lua_setglobal}, | |
| 3459 | 298 #endif |
| 3450 | 299 {"lua_typename", (luaV_function) &dll_lua_typename}, |
|
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300 {"lua_close", (luaV_function) &dll_lua_close}, |
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301 {"lua_gettop", (luaV_function) &dll_lua_gettop}, |
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302 {"lua_settop", (luaV_function) &dll_lua_settop}, |
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303 {"lua_pushvalue", (luaV_function) &dll_lua_pushvalue}, |
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304 {"lua_replace", (luaV_function) &dll_lua_replace}, |
| 3450 | 305 {"lua_remove", (luaV_function) &dll_lua_remove}, |
|
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306 {"lua_isnumber", (luaV_function) &dll_lua_isnumber}, |
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307 {"lua_isstring", (luaV_function) &dll_lua_isstring}, |
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308 {"lua_type", (luaV_function) &dll_lua_type}, |
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309 {"lua_rawequal", (luaV_function) &dll_lua_rawequal}, |
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310 {"lua_toboolean", (luaV_function) &dll_lua_toboolean}, |
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311 {"lua_tolstring", (luaV_function) &dll_lua_tolstring}, |
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312 {"lua_touserdata", (luaV_function) &dll_lua_touserdata}, |
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313 {"lua_pushnil", (luaV_function) &dll_lua_pushnil}, |
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314 {"lua_pushnumber", (luaV_function) &dll_lua_pushnumber}, |
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315 {"lua_pushinteger", (luaV_function) &dll_lua_pushinteger}, |
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316 {"lua_pushlstring", (luaV_function) &dll_lua_pushlstring}, |
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317 {"lua_pushstring", (luaV_function) &dll_lua_pushstring}, |
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318 {"lua_pushfstring", (luaV_function) &dll_lua_pushfstring}, |
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319 {"lua_pushcclosure", (luaV_function) &dll_lua_pushcclosure}, |
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320 {"lua_pushboolean", (luaV_function) &dll_lua_pushboolean}, |
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321 {"lua_pushlightuserdata", (luaV_function) &dll_lua_pushlightuserdata}, |
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322 {"lua_getfield", (luaV_function) &dll_lua_getfield}, |
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323 {"lua_rawget", (luaV_function) &dll_lua_rawget}, |
| 3450 | 324 {"lua_rawgeti", (luaV_function) &dll_lua_rawgeti}, |
|
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325 {"lua_createtable", (luaV_function) &dll_lua_createtable}, |
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326 {"lua_newuserdata", (luaV_function) &dll_lua_newuserdata}, |
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327 {"lua_getmetatable", (luaV_function) &dll_lua_getmetatable}, |
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328 {"lua_setfield", (luaV_function) &dll_lua_setfield}, |
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329 {"lua_rawset", (luaV_function) &dll_lua_rawset}, |
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330 {"lua_rawseti", (luaV_function) &dll_lua_rawseti}, |
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331 {"lua_setmetatable", (luaV_function) &dll_lua_setmetatable}, |
| 3459 | 332 {"lua_next", (luaV_function) &dll_lua_next}, |
|
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333 /* libs */ |
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334 {"luaopen_base", (luaV_function) &dll_luaopen_base}, |
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335 {"luaopen_table", (luaV_function) &dll_luaopen_table}, |
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336 {"luaopen_string", (luaV_function) &dll_luaopen_string}, |
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337 {"luaopen_math", (luaV_function) &dll_luaopen_math}, |
|
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338 {"luaopen_io", (luaV_function) &dll_luaopen_io}, |
|
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339 {"luaopen_os", (luaV_function) &dll_luaopen_os}, |
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340 {"luaopen_package", (luaV_function) &dll_luaopen_package}, |
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341 {"luaopen_debug", (luaV_function) &dll_luaopen_debug}, |
|
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342 {"luaL_openlibs", (luaV_function) &dll_luaL_openlibs}, |
|
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343 {NULL, NULL} |
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344 }; |
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345 |
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346 static HANDLE hinstLua = NULL; |
|
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347 |
| 2330 | 348 static void |
| 349 end_dynamic_lua(void) | |
| 350 { | |
| 351 if (hinstLua) | |
| 352 { | |
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353 close_dll(hinstLua); |
| 2330 | 354 hinstLua = 0; |
|
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355 } |
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356 } |
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357 |
| 2330 | 358 static int |
| 359 lua_link_init(char *libname, int verbose) | |
| 360 { | |
|
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361 const luaV_Reg *reg; |
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362 if (hinstLua) return OK; |
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363 hinstLua = load_dll(libname); |
| 2330 | 364 if (!hinstLua) |
| 365 { | |
| 366 if (verbose) | |
| 367 EMSG2(_(e_loadlib), libname); | |
| 368 return FAIL; | |
|
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369 } |
| 2330 | 370 for (reg = luaV_dll; reg->func; reg++) |
| 371 { | |
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372 if ((*reg->func = symbol_from_dll(hinstLua, reg->name)) == NULL) |
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373 { |
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374 close_dll(hinstLua); |
| 2330 | 375 hinstLua = 0; |
| 376 if (verbose) | |
| 377 EMSG2(_(e_loadfunc), reg->name); | |
| 378 return FAIL; | |
| 379 } | |
|
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380 } |
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381 return OK; |
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382 } |
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383 |
| 2330 | 384 int |
| 385 lua_enabled(int verbose) | |
| 386 { | |
|
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387 return lua_link_init(DYNAMIC_LUA_DLL, verbose) == OK; |
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388 } |
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389 |
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390 #endif /* DYNAMIC_LUA */ |
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391 |
| 3450 | 392 #if LUA_VERSION_NUM > 501 |
| 393 static int | |
| 394 luaL_typeerror (lua_State *L, int narg, const char *tname) | |
| 395 { | |
| 396 const char *msg = lua_pushfstring(L, "%s expected, got %s", | |
| 3618 | 397 tname, luaL_typename(L, narg)); |
| 3450 | 398 return luaL_argerror(L, narg, msg); |
| 399 } | |
| 400 #endif | |
| 401 | |
|
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402 |
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403 /* ======= Internal ======= */ |
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404 |
| 2330 | 405 static void |
| 406 luaV_newmetatable(lua_State *L, const char *tname) | |
| 407 { | |
|
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408 lua_newtable(L); |
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409 lua_pushlightuserdata(L, (void *) tname); |
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410 lua_pushvalue(L, -2); |
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411 lua_rawset(L, LUA_REGISTRYINDEX); |
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412 } |
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413 |
| 2330 | 414 static void * |
| 415 luaV_toudata(lua_State *L, int ud, const char *tname) | |
| 416 { | |
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417 void *p = lua_touserdata(L, ud); |
| 2330 | 418 |
| 419 if (p != NULL) /* value is userdata? */ | |
| 420 { | |
| 421 if (lua_getmetatable(L, ud)) /* does it have a metatable? */ | |
| 422 { | |
| 423 luaV_getfield(L, tname); /* get metatable */ | |
| 424 if (lua_rawequal(L, -1, -2)) /* MTs match? */ | |
| 425 { | |
| 426 lua_pop(L, 2); /* MTs */ | |
| 427 return p; | |
| 428 } | |
| 429 } | |
|
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430 } |
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431 return NULL; |
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432 } |
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433 |
| 2330 | 434 static void * |
| 3450 | 435 luaV_checkcache(lua_State *L, void *p) |
| 436 { | |
| 437 luaV_getudata(L, p); | |
| 438 if (lua_isnil(L, -1)) luaL_error(L, "invalid object"); | |
| 439 lua_pop(L, 1); | |
| 440 return p; | |
| 441 } | |
| 442 | |
| 443 #define luaV_unbox(L,luatyp,ud) (*((luatyp *) lua_touserdata((L),(ud)))) | |
| 444 | |
| 445 #define luaV_checkvalid(L,luatyp,ud) \ | |
| 446 luaV_checkcache((L), (void *) luaV_unbox((L),luatyp,(ud))) | |
| 447 | |
| 448 static void * | |
| 2330 | 449 luaV_checkudata(lua_State *L, int ud, const char *tname) |
| 450 { | |
|
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451 void *p = luaV_toudata(L, ud, tname); |
| 3450 | 452 if (p == NULL) luaL_typeerror(L, ud, tname); |
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453 return p; |
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454 } |
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455 |
| 2330 | 456 static void |
| 457 luaV_pushtypval(lua_State *L, typval_T *tv) | |
| 458 { | |
| 3450 | 459 if (tv == NULL) |
| 460 { | |
| 461 lua_pushnil(L); | |
| 462 return; | |
| 463 } | |
| 2330 | 464 switch (tv->v_type) |
| 465 { | |
| 466 case VAR_STRING: | |
| 3865 | 467 lua_pushstring(L, tv->vval.v_string == NULL |
| 468 ? "" : (char *)tv->vval.v_string); | |
| 2330 | 469 break; |
| 470 case VAR_NUMBER: | |
| 471 lua_pushinteger(L, (int) tv->vval.v_number); | |
| 472 break; | |
|
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473 #ifdef FEAT_FLOAT |
| 2330 | 474 case VAR_FLOAT: |
| 475 lua_pushnumber(L, (lua_Number) tv->vval.v_float); | |
| 476 break; | |
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477 #endif |
| 3450 | 478 case VAR_LIST: |
| 479 luaV_pushlist(L, tv->vval.v_list); | |
| 480 break; | |
| 481 case VAR_DICT: | |
| 482 luaV_pushdict(L, tv->vval.v_dict); | |
| 483 break; | |
| 484 default: | |
| 485 lua_pushnil(L); | |
| 486 } | |
| 487 } | |
| 2330 | 488 |
| 3450 | 489 /* converts lua value at 'pos' to typval 'tv' */ |
| 490 static void | |
| 491 luaV_totypval (lua_State *L, int pos, typval_T *tv) | |
| 492 { | |
| 493 switch(lua_type(L, pos)) { | |
| 494 case LUA_TBOOLEAN: | |
| 495 tv->v_type = VAR_NUMBER; | |
| 496 tv->vval.v_number = (varnumber_T) lua_toboolean(L, pos); | |
| 497 break; | |
| 498 case LUA_TSTRING: | |
| 499 tv->v_type = VAR_STRING; | |
| 500 tv->vval.v_string = vim_strsave((char_u *) lua_tostring(L, pos)); | |
| 2330 | 501 break; |
| 3450 | 502 case LUA_TNUMBER: |
| 503 #ifdef FEAT_FLOAT | |
| 504 tv->v_type = VAR_FLOAT; | |
| 505 tv->vval.v_float = (float_T) lua_tonumber(L, pos); | |
| 506 #else | |
| 507 tv->v_type = VAR_NUMBER; | |
| 508 tv->vval.v_number = (varnumber_T) lua_tointeger(L, pos); | |
| 509 #endif | |
| 510 break; | |
| 511 case LUA_TUSERDATA: { | |
| 512 void *p = lua_touserdata(L, pos); | |
| 513 if (lua_getmetatable(L, pos)) /* has metatable? */ | |
| 2330 | 514 { |
| 3450 | 515 /* check list */ |
| 516 luaV_getfield(L, LUAVIM_LIST); | |
| 517 if (lua_rawequal(L, -1, -2)) | |
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518 { |
| 3450 | 519 tv->v_type = VAR_LIST; |
| 520 tv->vval.v_list = *((luaV_List *) p); | |
| 521 ++tv->vval.v_list->lv_refcount; | |
| 522 lua_pop(L, 2); /* MTs */ | |
| 523 return; | |
| 2330 | 524 } |
| 3450 | 525 /* check dict */ |
| 526 luaV_getfield(L, LUAVIM_DICT); | |
| 527 if (lua_rawequal(L, -1, -3)) | |
| 528 { | |
| 529 tv->v_type = VAR_DICT; | |
| 530 tv->vval.v_dict = *((luaV_Dict *) p); | |
| 531 ++tv->vval.v_dict->dv_refcount; | |
| 532 lua_pop(L, 3); /* MTs */ | |
| 533 return; | |
| 534 } | |
| 535 lua_pop(L, 3); /* MTs */ | |
| 2330 | 536 } |
| 537 break; | |
| 538 } | |
| 539 default: | |
| 3450 | 540 tv->v_type = VAR_NUMBER; |
| 541 tv->vval.v_number = 0; | |
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542 } |
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543 } |
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544 |
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545 /* similar to luaL_addlstring, but replaces \0 with \n if toline and |
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546 * \n with \0 otherwise */ |
| 2330 | 547 static void |
| 548 luaV_addlstring(luaL_Buffer *b, const char *s, size_t l, int toline) | |
| 549 { | |
| 550 while (l--) | |
| 551 { | |
| 552 if (*s == '\0' && toline) | |
| 553 luaL_addchar(b, '\n'); | |
| 554 else if (*s == '\n' && !toline) | |
| 555 luaL_addchar(b, '\0'); | |
| 556 else | |
| 557 luaL_addchar(b, *s); | |
| 558 s++; | |
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559 } |
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560 } |
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561 |
| 2330 | 562 static void |
| 563 luaV_pushline(lua_State *L, buf_T *buf, linenr_T n) | |
| 564 { | |
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565 const char *s = (const char *) ml_get_buf(buf, n, FALSE); |
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566 luaL_Buffer b; |
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567 luaL_buffinit(L, &b); |
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568 luaV_addlstring(&b, s, strlen(s), 0); |
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569 luaL_pushresult(&b); |
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570 } |
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571 |
| 2330 | 572 static char_u * |
| 573 luaV_toline(lua_State *L, int pos) | |
| 574 { | |
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575 size_t l; |
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576 const char *s = lua_tolstring(L, pos, &l); |
| 2330 | 577 |
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578 luaL_Buffer b; |
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579 luaL_buffinit(L, &b); |
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580 luaV_addlstring(&b, s, l, 1); |
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581 luaL_pushresult(&b); |
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582 return (char_u *) lua_tostring(L, -1); |
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583 } |
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584 |
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585 /* pops a string s from the top of the stack and calls mf(t) for pieces t of |
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586 * s separated by newlines */ |
| 2330 | 587 static void |
| 588 luaV_msgfunc(lua_State *L, msgfunc_T mf) | |
| 589 { | |
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590 luaL_Buffer b; |
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591 size_t l; |
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592 const char *p, *s = lua_tolstring(L, -1, &l); |
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593 luaL_buffinit(L, &b); |
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594 luaV_addlstring(&b, s, l, 0); |
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595 luaL_pushresult(&b); |
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596 /* break string */ |
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597 p = s = lua_tolstring(L, -1, &l); |
| 2330 | 598 while (l--) |
| 599 { | |
| 600 if (*p++ == '\0') /* break? */ | |
| 601 { | |
| 602 mf((char_u *) s); | |
| 603 s = p; | |
| 604 } | |
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605 } |
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606 mf((char_u *) s); |
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607 lua_pop(L, 2); /* original and modified strings */ |
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608 } |
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609 |
| 3450 | 610 #define luaV_newtype(typ,tname,luatyp,luatname) \ |
| 611 static luatyp * \ | |
| 612 luaV_new##tname (lua_State *L, typ *obj) \ | |
| 613 { \ | |
| 614 luatyp *o = (luatyp *) lua_newuserdata(L, sizeof(luatyp)); \ | |
| 615 *o = obj; \ | |
| 616 luaV_setudata(L, obj); /* cache[obj] = udata */ \ | |
| 617 luaV_getfield(L, luatname); \ | |
| 618 lua_setmetatable(L, -2); \ | |
| 619 return o; \ | |
| 620 } | |
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621 |
| 3450 | 622 #define luaV_pushtype(typ,tname,luatyp) \ |
| 623 static luatyp * \ | |
| 624 luaV_push##tname (lua_State *L, typ *obj) \ | |
| 625 { \ | |
| 626 luatyp *o = NULL; \ | |
| 627 if (obj == NULL) \ | |
| 628 lua_pushnil(L); \ | |
| 629 else { \ | |
| 630 luaV_getudata(L, obj); \ | |
| 631 if (lua_isnil(L, -1)) /* not interned? */ \ | |
| 632 { \ | |
| 633 lua_pop(L, 1); \ | |
| 634 o = luaV_new##tname(L, obj); \ | |
| 635 } \ | |
| 636 else \ | |
| 637 o = (luatyp *) lua_touserdata(L, -1); \ | |
| 638 } \ | |
| 639 return o; \ | |
| 640 } | |
| 641 | |
| 642 #define luaV_type_tostring(tname,luatname) \ | |
| 643 static int \ | |
| 644 luaV_##tname##_tostring (lua_State *L) \ | |
| 645 { \ | |
| 646 lua_pushfstring(L, "%s: %p", luatname, lua_touserdata(L, 1)); \ | |
| 647 return 1; \ | |
| 648 } | |
| 649 | |
| 650 /* ======= List type ======= */ | |
| 651 | |
| 652 static luaV_List * | |
| 653 luaV_newlist (lua_State *L, list_T *lis) | |
| 654 { | |
| 655 luaV_List *l = (luaV_List *) lua_newuserdata(L, sizeof(luaV_List)); | |
| 656 *l = lis; | |
| 657 lis->lv_refcount++; /* reference in Lua */ | |
| 658 luaV_setudata(L, lis); /* cache[lis] = udata */ | |
| 659 luaV_getfield(L, LUAVIM_LIST); | |
| 660 lua_setmetatable(L, -2); | |
| 661 return l; | |
| 662 } | |
| 663 | |
| 664 luaV_pushtype(list_T, list, luaV_List) | |
| 665 luaV_type_tostring(list, LUAVIM_LIST) | |
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666 |
| 2330 | 667 static int |
| 3450 | 668 luaV_list_len (lua_State *L) |
| 2330 | 669 { |
| 3450 | 670 list_T *l = luaV_unbox(L, luaV_List, 1); |
| 671 lua_pushinteger(L, (l == NULL) ? 0 : (int) l->lv_len); | |
| 672 return 1; | |
| 673 } | |
| 674 | |
| 675 static int | |
| 676 luaV_list_iter (lua_State *L) | |
| 677 { | |
| 678 listitem_T *li = (listitem_T *) lua_touserdata(L, lua_upvalueindex(2)); | |
| 679 if (li == NULL) return 0; | |
| 680 luaV_pushtypval(L, &li->li_tv); | |
| 681 lua_pushlightuserdata(L, (void *) li->li_next); | |
| 682 lua_replace(L, lua_upvalueindex(2)); | |
| 683 return 1; | |
| 684 } | |
| 685 | |
| 686 static int | |
| 687 luaV_list_call (lua_State *L) | |
| 688 { | |
| 689 list_T *l = luaV_unbox(L, luaV_List, 1); | |
| 690 lua_pushvalue(L, lua_upvalueindex(1)); /* pass cache table along */ | |
| 691 lua_pushlightuserdata(L, (void *) l->lv_first); | |
| 692 lua_pushcclosure(L, luaV_list_iter, 2); | |
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693 return 1; |
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694 } |
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695 |
| 2330 | 696 static int |
| 3450 | 697 luaV_list_index (lua_State *L) |
| 698 { | |
| 699 list_T *l = luaV_unbox(L, luaV_List, 1); | |
| 700 if (lua_isnumber(L, 2)) /* list item? */ | |
| 701 { | |
| 702 listitem_T *li = list_find(l, (long) luaL_checkinteger(L, 2)); | |
| 703 if (li == NULL) | |
| 704 lua_pushnil(L); | |
| 705 else | |
| 706 luaV_pushtypval(L, &li->li_tv); | |
| 707 } | |
| 708 else if (lua_isstring(L, 2)) /* method? */ | |
| 709 { | |
| 710 const char *s = lua_tostring(L, 2); | |
| 711 if (strncmp(s, "add", 3) == 0 | |
| 712 || strncmp(s, "insert", 6) == 0 | |
| 713 || strncmp(s, "extend", 6) == 0) | |
| 714 { | |
| 715 lua_getmetatable(L, 1); | |
| 716 lua_getfield(L, -1, s); | |
| 717 } | |
| 718 else | |
| 719 lua_pushnil(L); | |
| 720 } | |
| 721 else | |
| 722 lua_pushnil(L); | |
| 723 return 1; | |
| 724 } | |
| 725 | |
| 726 static int | |
| 727 luaV_list_newindex (lua_State *L) | |
| 728 { | |
| 729 list_T *l = luaV_unbox(L, luaV_List, 1); | |
| 730 long n = (long) luaL_checkinteger(L, 2); | |
| 731 listitem_T *li; | |
| 732 if (l->lv_lock) | |
| 733 luaL_error(L, "list is locked"); | |
| 734 li = list_find(l, n); | |
| 735 if (li == NULL) return 0; | |
| 736 if (lua_isnil(L, 3)) /* remove? */ | |
| 737 { | |
| 3618 | 738 list_remove(l, li, li); |
| 3450 | 739 clear_tv(&li->li_tv); |
| 740 vim_free(li); | |
| 741 } | |
| 742 else | |
| 743 { | |
| 744 typval_T v; | |
| 745 luaV_totypval(L, 3, &v); | |
| 746 clear_tv(&li->li_tv); | |
| 747 copy_tv(&v, &li->li_tv); | |
| 748 } | |
| 749 return 0; | |
| 750 } | |
| 751 | |
| 752 static int | |
| 753 luaV_list_add (lua_State *L) | |
| 754 { | |
| 755 luaV_List *lis = luaV_checkudata(L, 1, LUAVIM_LIST); | |
| 756 list_T *l = (list_T *) luaV_checkcache(L, (void *) *lis); | |
| 757 listitem_T *li; | |
| 758 if (l->lv_lock) | |
| 759 luaL_error(L, "list is locked"); | |
| 760 li = listitem_alloc(); | |
| 761 if (li != NULL) | |
| 762 { | |
| 763 typval_T v; | |
| 764 lua_settop(L, 2); | |
| 765 luaV_totypval(L, 2, &v); | |
| 3618 | 766 list_append_tv(l, &v); |
| 3450 | 767 } |
| 768 lua_settop(L, 1); | |
| 769 return 1; | |
| 770 } | |
| 771 | |
| 772 static int | |
| 773 luaV_list_insert (lua_State *L) | |
| 774 { | |
| 775 luaV_List *lis = luaV_checkudata(L, 1, LUAVIM_LIST); | |
| 776 list_T *l = (list_T *) luaV_checkcache(L, (void *) *lis); | |
| 777 long pos = luaL_optlong(L, 3, 0); | |
| 778 listitem_T *li = NULL; | |
| 779 typval_T v; | |
| 780 if (l->lv_lock) | |
| 781 luaL_error(L, "list is locked"); | |
| 782 if (pos < l->lv_len) | |
| 783 { | |
| 784 li = list_find(l, pos); | |
| 785 if (li == NULL) | |
| 786 luaL_error(L, "invalid position"); | |
| 787 } | |
| 788 lua_settop(L, 2); | |
| 789 luaV_totypval(L, 2, &v); | |
| 790 list_insert_tv(l, &v, li); | |
| 791 lua_settop(L, 1); | |
| 792 return 1; | |
| 793 } | |
| 794 | |
| 795 static const luaL_Reg luaV_List_mt[] = { | |
| 796 {"__tostring", luaV_list_tostring}, | |
| 797 {"__len", luaV_list_len}, | |
| 798 {"__call", luaV_list_call}, | |
| 799 {"__index", luaV_list_index}, | |
| 800 {"__newindex", luaV_list_newindex}, | |
| 801 {"add", luaV_list_add}, | |
| 802 {"insert", luaV_list_insert}, | |
| 803 {NULL, NULL} | |
| 804 }; | |
| 805 | |
| 806 | |
| 807 /* ======= Dict type ======= */ | |
| 808 | |
| 809 static luaV_Dict * | |
| 810 luaV_newdict (lua_State *L, dict_T *dic) | |
| 811 { | |
| 812 luaV_Dict *d = (luaV_Dict *) lua_newuserdata(L, sizeof(luaV_Dict)); | |
| 813 *d = dic; | |
| 814 dic->dv_refcount++; /* reference in Lua */ | |
| 815 luaV_setudata(L, dic); /* cache[dic] = udata */ | |
| 816 luaV_getfield(L, LUAVIM_DICT); | |
| 817 lua_setmetatable(L, -2); | |
| 818 return d; | |
| 819 } | |
| 820 | |
| 821 luaV_pushtype(dict_T, dict, luaV_Dict) | |
| 822 luaV_type_tostring(dict, LUAVIM_DICT) | |
| 823 | |
| 824 static int | |
| 825 luaV_dict_len (lua_State *L) | |
| 826 { | |
| 827 dict_T *d = luaV_unbox(L, luaV_Dict, 1); | |
| 828 lua_pushinteger(L, (d == NULL) ? 0 : (int) d->dv_hashtab.ht_used); | |
| 829 return 1; | |
| 830 } | |
| 831 | |
| 832 static int | |
| 4135 | 833 luaV_dict_iter (lua_State *L UNUSED) |
| 3450 | 834 { |
| 4135 | 835 #ifdef FEAT_EVAL |
| 3450 | 836 hashitem_T *hi = (hashitem_T *) lua_touserdata(L, lua_upvalueindex(2)); |
| 837 int n = lua_tointeger(L, lua_upvalueindex(3)); | |
| 838 dictitem_T *di; | |
| 839 if (n <= 0) return 0; | |
| 840 while (HASHITEM_EMPTY(hi)) hi++; | |
| 841 di = dict_lookup(hi); | |
| 842 lua_pushstring(L, (char *) hi->hi_key); | |
| 843 luaV_pushtypval(L, &di->di_tv); | |
| 844 lua_pushlightuserdata(L, (void *) (hi + 1)); | |
| 845 lua_replace(L, lua_upvalueindex(2)); | |
| 846 lua_pushinteger(L, n - 1); | |
| 847 lua_replace(L, lua_upvalueindex(3)); | |
| 848 return 2; | |
| 4135 | 849 #else |
| 850 return 0; | |
| 851 #endif | |
| 3450 | 852 } |
| 853 | |
| 854 static int | |
| 855 luaV_dict_call (lua_State *L) | |
| 856 { | |
| 857 dict_T *d = luaV_unbox(L, luaV_Dict, 1); | |
| 858 hashtab_T *ht = &d->dv_hashtab; | |
| 859 lua_pushvalue(L, lua_upvalueindex(1)); /* pass cache table along */ | |
| 860 lua_pushlightuserdata(L, (void *) ht->ht_array); | |
| 861 lua_pushinteger(L, ht->ht_used); /* # remaining items */ | |
| 862 lua_pushcclosure(L, luaV_dict_iter, 3); | |
| 863 return 1; | |
| 864 } | |
| 865 | |
| 866 static int | |
| 867 luaV_dict_index (lua_State *L) | |
| 868 { | |
| 869 dict_T *d = luaV_unbox(L, luaV_Dict, 1); | |
| 870 char_u *key = (char_u *) luaL_checkstring(L, 2); | |
| 871 dictitem_T *di = dict_find(d, key, -1); | |
| 872 if (di == NULL) | |
| 873 lua_pushnil(L); | |
| 874 else | |
| 875 luaV_pushtypval(L, &di->di_tv); | |
| 876 return 1; | |
| 877 } | |
| 878 | |
| 879 static int | |
| 880 luaV_dict_newindex (lua_State *L) | |
| 881 { | |
| 882 dict_T *d = luaV_unbox(L, luaV_Dict, 1); | |
| 883 char_u *key = (char_u *) luaL_checkstring(L, 2); | |
| 884 dictitem_T *di; | |
| 885 if (d->dv_lock) | |
| 886 luaL_error(L, "dict is locked"); | |
| 887 di = dict_find(d, key, -1); | |
| 888 if (di == NULL) /* non-existing key? */ | |
| 889 { | |
| 890 if (lua_isnil(L, 3)) return 0; | |
| 891 di = dictitem_alloc(key); | |
| 892 if (di == NULL) return 0; | |
| 893 if (dict_add(d, di) == FAIL) | |
| 894 { | |
| 895 vim_free(di); | |
| 896 return 0; | |
| 897 } | |
| 898 } | |
| 899 else | |
| 900 clear_tv(&di->di_tv); | |
| 901 if (lua_isnil(L, 3)) /* remove? */ | |
| 902 { | |
| 903 hashitem_T *hi = hash_find(&d->dv_hashtab, di->di_key); | |
| 904 hash_remove(&d->dv_hashtab, hi); | |
| 905 dictitem_free(di); | |
| 906 } | |
| 907 else { | |
| 908 typval_T v; | |
| 909 luaV_totypval(L, 3, &v); | |
| 910 copy_tv(&v, &di->di_tv); | |
| 911 } | |
| 912 return 0; | |
| 913 } | |
| 914 | |
| 915 static const luaL_Reg luaV_Dict_mt[] = { | |
| 916 {"__tostring", luaV_dict_tostring}, | |
| 917 {"__len", luaV_dict_len}, | |
| 918 {"__call", luaV_dict_call}, | |
| 919 {"__index", luaV_dict_index}, | |
| 920 {"__newindex", luaV_dict_newindex}, | |
| 921 {NULL, NULL} | |
| 922 }; | |
| 923 | |
| 924 | |
| 925 /* ======= Buffer type ======= */ | |
| 926 | |
| 927 luaV_newtype(buf_T, buffer, luaV_Buffer, LUAVIM_BUFFER) | |
| 928 luaV_pushtype(buf_T, buffer, luaV_Buffer) | |
| 929 luaV_type_tostring(buffer, LUAVIM_BUFFER) | |
| 930 | |
| 931 static int | |
| 2330 | 932 luaV_buffer_len(lua_State *L) |
| 933 { | |
| 3450 | 934 buf_T *b = (buf_T *) luaV_checkvalid(L, luaV_Buffer, 1); |
| 935 lua_pushinteger(L, b->b_ml.ml_line_count); | |
|
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|
936 return 1; |
|
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|
937 } |
|
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|
938 |
| 2330 | 939 static int |
| 940 luaV_buffer_call(lua_State *L) | |
| 941 { | |
| 3450 | 942 buf_T *b = (buf_T *) luaV_checkvalid(L, luaV_Buffer, 1); |
|
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943 lua_settop(L, 1); |
| 3450 | 944 set_curbuf(b, DOBUF_SPLIT); |
|
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|
945 return 1; |
|
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|
946 } |
|
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|
947 |
| 2330 | 948 static int |
| 949 luaV_buffer_index(lua_State *L) | |
| 950 { | |
| 3450 | 951 buf_T *b = (buf_T *) luaV_checkvalid(L, luaV_Buffer, 1); |
|
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|
952 linenr_T n = (linenr_T) lua_tointeger(L, 2); |
| 3450 | 953 if (n > 0 && n <= b->b_ml.ml_line_count) |
| 954 luaV_pushline(L, b, n); | |
| 2330 | 955 else if (lua_isstring(L, 2)) |
| 956 { | |
| 957 const char *s = lua_tostring(L, 2); | |
| 958 if (strncmp(s, "name", 4) == 0) | |
| 3450 | 959 lua_pushstring(L, (char *) b->b_sfname); |
| 2330 | 960 else if (strncmp(s, "fname", 5) == 0) |
| 3450 | 961 lua_pushstring(L, (char *) b->b_ffname); |
| 2330 | 962 else if (strncmp(s, "number", 6) == 0) |
| 3450 | 963 lua_pushinteger(L, b->b_fnum); |
| 2330 | 964 /* methods */ |
| 965 else if (strncmp(s, "insert", 6) == 0 | |
| 966 || strncmp(s, "next", 4) == 0 | |
| 967 || strncmp(s, "previous", 8) == 0 | |
| 968 || strncmp(s, "isvalid", 7) == 0) | |
| 969 { | |
| 970 lua_getmetatable(L, 1); | |
| 971 lua_getfield(L, -1, s); | |
| 972 } | |
| 973 else | |
| 974 lua_pushnil(L); | |
|
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|
975 } |
| 2330 | 976 else |
| 977 lua_pushnil(L); | |
|
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|
978 return 1; |
|
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|
979 } |
|
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|
980 |
| 2330 | 981 static int |
| 982 luaV_buffer_newindex(lua_State *L) | |
| 983 { | |
| 3450 | 984 buf_T *b = (buf_T *) luaV_checkvalid(L, luaV_Buffer, 1); |
|
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985 linenr_T n = (linenr_T) luaL_checkinteger(L, 2); |
|
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986 #ifdef HAVE_SANDBOX |
|
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|
987 luaV_checksandbox(L); |
|
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|
988 #endif |
| 3450 | 989 if (n < 1 || n > b->b_ml.ml_line_count) |
| 2330 | 990 luaL_error(L, "invalid line number"); |
| 991 if (lua_isnil(L, 3)) /* delete line */ | |
| 992 { | |
| 993 buf_T *buf = curbuf; | |
| 3450 | 994 curbuf = b; |
| 2330 | 995 if (u_savedel(n, 1L) == FAIL) |
| 996 { | |
| 997 curbuf = buf; | |
| 998 luaL_error(L, "cannot save undo information"); | |
| 999 } | |
| 1000 else if (ml_delete(n, FALSE) == FAIL) | |
| 1001 { | |
| 1002 curbuf = buf; | |
| 1003 luaL_error(L, "cannot delete line"); | |
| 1004 } | |
| 1005 else { | |
| 1006 deleted_lines_mark(n, 1L); | |
| 3450 | 1007 if (b == curwin->w_buffer) /* fix cursor in current window? */ |
| 2330 | 1008 { |
| 1009 if (curwin->w_cursor.lnum >= n) | |
| 1010 { | |
| 1011 if (curwin->w_cursor.lnum > n) | |
| 1012 { | |
| 1013 curwin->w_cursor.lnum -= 1; | |
| 1014 check_cursor_col(); | |
| 1015 } | |
| 1016 else check_cursor(); | |
| 1017 changed_cline_bef_curs(); | |
| 1018 } | |
| 1019 invalidate_botline(); | |
| 1020 } | |
| 1021 } | |
| 1022 curbuf = buf; | |
|
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1023 } |
| 2330 | 1024 else if (lua_isstring(L, 3)) /* update line */ |
| 1025 { | |
| 1026 buf_T *buf = curbuf; | |
| 3450 | 1027 curbuf = b; |
| 2330 | 1028 if (u_savesub(n) == FAIL) |
| 1029 { | |
| 1030 curbuf = buf; | |
| 1031 luaL_error(L, "cannot save undo information"); | |
| 1032 } | |
| 1033 else if (ml_replace(n, luaV_toline(L, 3), TRUE) == FAIL) | |
| 1034 { | |
| 1035 curbuf = buf; | |
| 1036 luaL_error(L, "cannot replace line"); | |
| 1037 } | |
| 1038 else changed_bytes(n, 0); | |
| 1039 curbuf = buf; | |
| 3450 | 1040 if (b == curwin->w_buffer) |
| 2330 | 1041 check_cursor_col(); |
|
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1042 } |
|
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1043 else |
| 2330 | 1044 luaL_error(L, "wrong argument to change line"); |
|
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1045 return 0; |
|
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|
1046 } |
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|
1047 |
| 2330 | 1048 static int |
| 1049 luaV_buffer_insert(lua_State *L) | |
| 1050 { | |
| 3450 | 1051 luaV_Buffer *lb = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
| 1052 buf_T *b = (buf_T *) luaV_checkcache(L, (void *) *lb); | |
| 1053 linenr_T last = b->b_ml.ml_line_count; | |
|
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1054 linenr_T n = (linenr_T) luaL_optinteger(L, 3, last); |
|
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1055 buf_T *buf; |
|
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|
1056 luaL_checktype(L, 2, LUA_TSTRING); |
|
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|
1057 #ifdef HAVE_SANDBOX |
|
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1058 luaV_checksandbox(L); |
|
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1059 #endif |
|
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|
1060 /* fix insertion line */ |
|
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1061 if (n < 0) n = 0; |
|
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1062 if (n > last) n = last; |
|
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1063 /* insert */ |
|
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|
1064 buf = curbuf; |
| 3450 | 1065 curbuf = b; |
| 2330 | 1066 if (u_save(n, n + 1) == FAIL) |
| 1067 { | |
| 1068 curbuf = buf; | |
| 1069 luaL_error(L, "cannot save undo information"); | |
|
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1070 } |
| 2330 | 1071 else if (ml_append(n, luaV_toline(L, 2), 0, FALSE) == FAIL) |
| 1072 { | |
| 1073 curbuf = buf; | |
| 1074 luaL_error(L, "cannot insert line"); | |
|
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1075 } |
|
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|
1076 else |
| 2330 | 1077 appended_lines_mark(n, 1L); |
|
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1078 curbuf = buf; |
|
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1079 update_screen(VALID); |
|
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1080 return 0; |
|
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1081 } |
|
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1082 |
| 2330 | 1083 static int |
| 1084 luaV_buffer_next(lua_State *L) | |
| 1085 { | |
|
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1086 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
| 3450 | 1087 buf_T *buf = (buf_T *) luaV_checkcache(L, (void *) *b); |
| 1088 luaV_pushbuffer(L, buf->b_next); | |
|
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1089 return 1; |
|
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1090 } |
|
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|
1091 |
| 2330 | 1092 static int |
| 1093 luaV_buffer_previous(lua_State *L) | |
| 1094 { | |
|
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|
1095 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
| 3450 | 1096 buf_T *buf = (buf_T *) luaV_checkcache(L, (void *) *b); |
| 1097 luaV_pushbuffer(L, buf->b_prev); | |
|
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1098 return 1; |
|
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1099 } |
|
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|
1100 |
| 2330 | 1101 static int |
| 1102 luaV_buffer_isvalid(lua_State *L) | |
| 1103 { | |
|
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1104 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
| 3450 | 1105 luaV_getudata(L, *b); |
|
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1106 lua_pushboolean(L, !lua_isnil(L, -1)); |
|
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1107 return 1; |
|
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1108 } |
|
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1109 |
|
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|
1110 static const luaL_Reg luaV_Buffer_mt[] = { |
|
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1111 {"__tostring", luaV_buffer_tostring}, |
|
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1112 {"__len", luaV_buffer_len}, |
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1113 {"__call", luaV_buffer_call}, |
|
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1114 {"__index", luaV_buffer_index}, |
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1115 {"__newindex", luaV_buffer_newindex}, |
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1116 {"insert", luaV_buffer_insert}, |
|
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|
1117 {"next", luaV_buffer_next}, |
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1118 {"previous", luaV_buffer_previous}, |
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1119 {"isvalid", luaV_buffer_isvalid}, |
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|
1120 {NULL, NULL} |
|
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|
1121 }; |
|
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|
1122 |
|
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|
1123 |
|
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|
1124 /* ======= Window type ======= */ |
|
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|
1125 |
| 3450 | 1126 luaV_newtype(win_T, window, luaV_Window, LUAVIM_WINDOW) |
| 1127 luaV_pushtype(win_T, window, luaV_Window) | |
| 1128 luaV_type_tostring(window, LUAVIM_WINDOW) | |
|
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|
1129 |
| 2330 | 1130 static int |
| 1131 luaV_window_call(lua_State *L) | |
| 1132 { | |
| 3450 | 1133 win_T *w = (win_T *) luaV_checkvalid(L, luaV_Window, 1); |
|
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|
1134 lua_settop(L, 1); |
| 3450 | 1135 win_goto(w); |
|
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|
1136 return 1; |
|
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|
1137 } |
|
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|
1138 |
| 2330 | 1139 static int |
| 1140 luaV_window_index(lua_State *L) | |
| 1141 { | |
| 3450 | 1142 win_T *w = (win_T *) luaV_checkvalid(L, luaV_Window, 1); |
|
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|
1143 const char *s = luaL_checkstring(L, 2); |
|
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Added Lua interfae. (Luis Carvalho)
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|
1144 if (strncmp(s, "buffer", 6) == 0) |
| 3450 | 1145 luaV_pushbuffer(L, w->w_buffer); |
|
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|
1146 else if (strncmp(s, "line", 4) == 0) |
| 3450 | 1147 lua_pushinteger(L, w->w_cursor.lnum); |
|
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|
1148 else if (strncmp(s, "col", 3) == 0) |
| 3450 | 1149 lua_pushinteger(L, w->w_cursor.col + 1); |
|
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|
1150 #ifdef FEAT_VERTSPLIT |
|
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|
1151 else if (strncmp(s, "width", 5) == 0) |
| 3450 | 1152 lua_pushinteger(L, W_WIDTH(w)); |
|
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|
1153 #endif |
|
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|
1154 else if (strncmp(s, "height", 6) == 0) |
| 3450 | 1155 lua_pushinteger(L, w->w_height); |
|
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|
1156 /* methods */ |
|
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|
1157 else if (strncmp(s, "next", 4) == 0 |
| 2330 | 1158 || strncmp(s, "previous", 8) == 0 |
| 1159 || strncmp(s, "isvalid", 7) == 0) | |
| 1160 { | |
| 1161 lua_getmetatable(L, 1); | |
| 1162 lua_getfield(L, -1, s); | |
|
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|
1163 } |
|
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|
1164 else |
| 2330 | 1165 lua_pushnil(L); |
|
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|
1166 return 1; |
|
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|
1167 } |
|
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|
1168 |
| 2330 | 1169 static int |
| 1170 luaV_window_newindex (lua_State *L) | |
| 1171 { | |
| 3450 | 1172 win_T *w = (win_T *) luaV_checkvalid(L, luaV_Window, 1); |
|
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|
1173 const char *s = luaL_checkstring(L, 2); |
|
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|
1174 int v = luaL_checkinteger(L, 3); |
| 2330 | 1175 if (strncmp(s, "line", 4) == 0) |
| 1176 { | |
|
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|
1177 #ifdef HAVE_SANDBOX |
| 2330 | 1178 luaV_checksandbox(L); |
|
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|
1179 #endif |
| 3450 | 1180 if (v < 1 || v > w->w_buffer->b_ml.ml_line_count) |
| 2330 | 1181 luaL_error(L, "line out of range"); |
| 3450 | 1182 w->w_cursor.lnum = v; |
| 2330 | 1183 update_screen(VALID); |
|
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|
1184 } |
| 2330 | 1185 else if (strncmp(s, "col", 3) == 0) |
| 1186 { | |
|
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Added Lua interfae. (Luis Carvalho)
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|
1187 #ifdef HAVE_SANDBOX |
| 2330 | 1188 luaV_checksandbox(L); |
|
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|
1189 #endif |
| 3450 | 1190 w->w_cursor.col = v - 1; |
| 2330 | 1191 update_screen(VALID); |
|
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|
1192 } |
|
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|
1193 #ifdef FEAT_VERTSPLIT |
| 2330 | 1194 else if (strncmp(s, "width", 5) == 0) |
| 1195 { | |
| 1196 win_T *win = curwin; | |
|
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|
1197 #ifdef FEAT_GUI |
| 2330 | 1198 need_mouse_correct = TRUE; |
|
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|
1199 #endif |
| 3450 | 1200 curwin = w; |
| 2330 | 1201 win_setwidth(v); |
| 1202 curwin = win; | |
|
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|
1203 } |
|
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|
1204 #endif |
| 2330 | 1205 else if (strncmp(s, "height", 6) == 0) |
| 1206 { | |
| 1207 win_T *win = curwin; | |
|
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|
1208 #ifdef FEAT_GUI |
| 2330 | 1209 need_mouse_correct = TRUE; |
|
2320
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|
1210 #endif |
| 3450 | 1211 curwin = w; |
| 2330 | 1212 win_setheight(v); |
| 1213 curwin = win; | |
|
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|
1214 } |
|
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|
1215 else |
| 2330 | 1216 luaL_error(L, "invalid window property: `%s'", s); |
|
2320
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|
1217 return 0; |
|
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|
1218 } |
|
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|
1219 |
| 2330 | 1220 static int |
| 1221 luaV_window_next(lua_State *L) | |
| 1222 { | |
|
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|
1223 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
| 3450 | 1224 win_T *win = (win_T *) luaV_checkcache(L, (void *) *w); |
| 1225 luaV_pushwindow(L, win->w_next); | |
|
2320
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|
1226 return 1; |
|
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|
1227 } |
|
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|
1228 |
| 2330 | 1229 static int |
| 1230 luaV_window_previous(lua_State *L) | |
| 1231 { | |
|
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|
1232 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
| 3450 | 1233 win_T *win = (win_T *) luaV_checkcache(L, (void *) *w); |
| 1234 luaV_pushwindow(L, win->w_prev); | |
|
2320
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|
1235 return 1; |
|
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|
1236 } |
|
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|
1237 |
| 2330 | 1238 static int |
| 1239 luaV_window_isvalid(lua_State *L) | |
| 1240 { | |
|
2320
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|
1241 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
| 3450 | 1242 luaV_getudata(L, *w); |
|
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|
1243 lua_pushboolean(L, !lua_isnil(L, -1)); |
|
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|
1244 return 1; |
|
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|
1245 } |
|
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|
1246 |
|
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|
1247 static const luaL_Reg luaV_Window_mt[] = { |
|
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|
1248 {"__tostring", luaV_window_tostring}, |
|
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|
1249 {"__call", luaV_window_call}, |
|
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|
1250 {"__index", luaV_window_index}, |
|
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|
1251 {"__newindex", luaV_window_newindex}, |
|
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|
1252 {"next", luaV_window_next}, |
|
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|
1253 {"previous", luaV_window_previous}, |
|
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|
1254 {"isvalid", luaV_window_isvalid}, |
|
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|
1255 {NULL, NULL} |
|
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|
1256 }; |
|
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|
1257 |
|
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|
1258 |
|
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|
1259 /* ======= Vim module ======= */ |
|
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|
1260 |
| 2330 | 1261 static int |
| 1262 luaV_print(lua_State *L) | |
| 1263 { | |
|
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|
1264 int i, n = lua_gettop(L); /* nargs */ |
|
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|
1265 const char *s; |
|
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|
1266 size_t l; |
|
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|
1267 luaL_Buffer b; |
|
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|
1268 luaL_buffinit(L, &b); |
|
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|
1269 lua_getglobal(L, "tostring"); |
| 2330 | 1270 for (i = 1; i <= n; i++) |
| 1271 { | |
| 1272 lua_pushvalue(L, -1); /* tostring */ | |
| 1273 lua_pushvalue(L, i); /* arg */ | |
| 1274 lua_call(L, 1, 1); | |
| 1275 s = lua_tolstring(L, -1, &l); | |
| 1276 if (s == NULL) | |
| 1277 return luaL_error(L, "cannot convert to string"); | |
| 1278 if (i > 1) luaL_addchar(&b, ' '); /* use space instead of tab */ | |
| 1279 luaV_addlstring(&b, s, l, 0); | |
| 1280 lua_pop(L, 1); | |
|
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|
1281 } |
|
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|
1282 luaL_pushresult(&b); |
|
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|
1283 luaV_msg(L); |
|
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|
1284 return 0; |
|
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|
1285 } |
|
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|
1286 |
| 2330 | 1287 static int |
| 3091 | 1288 luaV_debug(lua_State *L) |
| 1289 { | |
| 1290 lua_settop(L, 0); | |
| 1291 lua_getglobal(L, "vim"); | |
| 1292 lua_getfield(L, -1, "eval"); | |
| 1293 lua_remove(L, -2); /* vim.eval at position 1 */ | |
| 1294 for (;;) | |
| 1295 { | |
| 1296 const char *input; | |
| 1297 size_t l; | |
| 1298 lua_pushvalue(L, 1); /* vim.eval */ | |
| 1299 lua_pushliteral(L, "input('lua_debug> ')"); | |
| 1300 lua_call(L, 1, 1); /* return string */ | |
| 1301 input = lua_tolstring(L, -1, &l); | |
| 1302 if (l == 0 || strcmp(input, "cont") == 0) | |
| 1303 return 0; | |
| 1304 msg_putchar('\n'); /* avoid outputting on input line */ | |
| 1305 if (luaL_loadbuffer(L, input, l, "=(debug command)") | |
| 1306 || lua_pcall(L, 0, 0, 0)) | |
| 1307 luaV_emsg(L); | |
| 1308 lua_settop(L, 1); /* remove eventual returns, but keep vim.eval */ | |
| 1309 } | |
| 1310 } | |
| 1311 | |
| 1312 static int | |
| 2330 | 1313 luaV_command(lua_State *L) |
| 1314 { | |
|
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|
1315 do_cmdline_cmd((char_u *) luaL_checkstring(L, 1)); |
|
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|
1316 update_screen(VALID); |
|
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|
1317 return 0; |
|
966a5609669e
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|
1318 } |
|
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1319 |
| 2330 | 1320 static int |
| 1321 luaV_eval(lua_State *L) | |
| 1322 { | |
|
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1323 typval_T *tv = eval_expr((char_u *) luaL_checkstring(L, 1), NULL); |
|
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1324 if (tv == NULL) luaL_error(L, "invalid expression"); |
|
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1325 luaV_pushtypval(L, tv); |
|
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1326 return 1; |
|
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1327 } |
|
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|
1328 |
| 2330 | 1329 static int |
|
2331
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2330
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|
1330 luaV_beep(lua_State *L UNUSED) |
| 2330 | 1331 { |
|
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1332 vim_beep(); |
|
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1333 return 0; |
|
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1334 } |
|
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|
1335 |
| 2330 | 1336 static int |
| 1337 luaV_line(lua_State *L) | |
| 1338 { | |
|
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1339 luaV_pushline(L, curbuf, curwin->w_cursor.lnum); |
|
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1340 return 1; |
|
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1341 } |
|
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|
1342 |
| 2330 | 1343 static int |
| 3450 | 1344 luaV_list(lua_State *L) |
| 1345 { | |
| 1346 list_T *l = list_alloc(); | |
| 1347 if (l == NULL) | |
| 1348 lua_pushnil(L); | |
| 1349 else | |
| 1350 luaV_newlist(L, l); | |
| 1351 return 1; | |
| 1352 } | |
| 1353 | |
| 1354 static int | |
| 1355 luaV_dict(lua_State *L) | |
| 1356 { | |
| 1357 dict_T *d = dict_alloc(); | |
| 1358 if (d == NULL) | |
| 1359 lua_pushnil(L); | |
| 1360 else | |
| 1361 luaV_newdict(L, d); | |
| 1362 return 1; | |
| 1363 } | |
| 1364 | |
| 1365 static int | |
| 2330 | 1366 luaV_buffer(lua_State *L) |
| 1367 { | |
|
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1368 buf_T *buf; |
| 2330 | 1369 if (lua_isstring(L, 1)) /* get by number or name? */ |
| 1370 { | |
| 1371 if (lua_isnumber(L, 1)) /* by number? */ | |
| 1372 { | |
| 1373 int n = lua_tointeger(L, 1); | |
| 1374 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 1375 if (buf->b_fnum == n) break; | |
| 1376 } | |
| 1377 else { /* by name */ | |
| 1378 size_t l; | |
| 1379 const char *s = lua_tolstring(L, 1, &l); | |
| 1380 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 1381 { | |
| 1382 if (buf->b_ffname == NULL || buf->b_sfname == NULL) | |
| 1383 { | |
| 1384 if (l == 0) break; | |
| 1385 } | |
|
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1386 else if (strncmp(s, (char *)buf->b_ffname, l) == 0 |
|
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|
1387 || strncmp(s, (char *)buf->b_sfname, l) == 0) |
| 2330 | 1388 break; |
| 1389 } | |
| 1390 } | |
|
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1391 } |
| 3450 | 1392 else |
| 2330 | 1393 buf = (lua_toboolean(L, 1)) ? firstbuf : curbuf; /* first buffer? */ |
| 3450 | 1394 luaV_pushbuffer(L, buf); |
|
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1395 return 1; |
|
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1396 } |
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1397 |
| 2330 | 1398 static int |
| 1399 luaV_window(lua_State *L) | |
| 1400 { | |
|
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|
1401 win_T *win; |
| 2330 | 1402 if (lua_isnumber(L, 1)) /* get by number? */ |
| 1403 { | |
| 1404 int n = lua_tointeger(L, 1); | |
| 1405 for (win = firstwin; win != NULL; win = win->w_next, n--) | |
| 1406 if (n == 1) break; | |
|
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|
1407 } |
| 3450 | 1408 else |
| 2330 | 1409 win = (lua_toboolean(L, 1)) ? firstwin : curwin; /* first window? */ |
| 3450 | 1410 luaV_pushwindow(L, win); |
|
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1411 return 1; |
|
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1412 } |
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|
1413 |
| 2330 | 1414 static int |
| 1415 luaV_open(lua_State *L) | |
| 1416 { | |
|
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1417 char_u *s = NULL; |
|
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1418 #ifdef HAVE_SANDBOX |
|
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1419 luaV_checksandbox(L); |
|
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1420 #endif |
|
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1421 if (lua_isstring(L, 1)) s = (char_u *) lua_tostring(L, 1); |
| 3200 | 1422 luaV_pushbuffer(L, buflist_new(s, NULL, 1L, BLN_LISTED)); |
|
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1423 return 1; |
|
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|
1424 } |
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|
1425 |
| 2330 | 1426 static int |
| 3450 | 1427 luaV_type(lua_State *L) |
| 2330 | 1428 { |
| 3450 | 1429 luaL_checkany(L, 1); |
| 1430 if (lua_type(L, 1) == LUA_TUSERDATA) /* check vim udata? */ | |
| 1431 { | |
| 1432 lua_settop(L, 1); | |
| 1433 if (lua_getmetatable(L, 1)) | |
| 1434 { | |
| 1435 luaV_getfield(L, LUAVIM_LIST); | |
| 1436 if (lua_rawequal(L, -1, 2)) | |
| 1437 { | |
| 1438 lua_pushstring(L, "list"); | |
| 1439 return 1; | |
| 1440 } | |
| 1441 luaV_getfield(L, LUAVIM_DICT); | |
| 1442 if (lua_rawequal(L, -1, 2)) | |
| 1443 { | |
| 1444 lua_pushstring(L, "dict"); | |
| 1445 return 1; | |
| 1446 } | |
| 1447 luaV_getfield(L, LUAVIM_BUFFER); | |
| 1448 if (lua_rawequal(L, -1, 2)) | |
| 1449 { | |
| 1450 lua_pushstring(L, "buffer"); | |
| 1451 return 1; | |
| 1452 } | |
| 1453 luaV_getfield(L, LUAVIM_WINDOW); | |
| 1454 if (lua_rawequal(L, -1, 2)) | |
| 1455 { | |
| 1456 lua_pushstring(L, "window"); | |
| 1457 return 1; | |
| 1458 } | |
| 1459 } | |
| 1460 } | |
| 1461 lua_pushstring(L, luaL_typename(L, 1)); /* fallback */ | |
|
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1462 return 1; |
|
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|
1463 } |
|
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|
1464 |
|
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|
1465 static const luaL_Reg luaV_module[] = { |
|
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|
1466 {"command", luaV_command}, |
|
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|
1467 {"eval", luaV_eval}, |
|
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|
1468 {"beep", luaV_beep}, |
|
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|
1469 {"line", luaV_line}, |
| 3450 | 1470 {"list", luaV_list}, |
| 1471 {"dict", luaV_dict}, | |
|
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|
1472 {"buffer", luaV_buffer}, |
|
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|
1473 {"window", luaV_window}, |
|
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|
1474 {"open", luaV_open}, |
| 3450 | 1475 {"type", luaV_type}, |
|
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|
1476 {NULL, NULL} |
|
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|
1477 }; |
|
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|
1478 |
| 3450 | 1479 /* for freeing list, dict, buffer and window objects; lightuserdata as arg */ |
| 1480 static int | |
| 1481 luaV_free(lua_State *L) | |
| 1482 { | |
| 1483 lua_pushnil(L); | |
| 1484 luaV_setudata(L, lua_touserdata(L, 1)); | |
| 1485 return 0; | |
| 1486 } | |
| 1487 | |
| 1488 static int | |
| 1489 luaV_luaeval (lua_State *L) | |
| 1490 { | |
| 1491 luaL_Buffer b; | |
| 1492 size_t l; | |
| 1493 const char *str = lua_tolstring(L, 1, &l); | |
| 1494 typval_T *arg = (typval_T *) lua_touserdata(L, 2); | |
| 1495 typval_T *rettv = (typval_T *) lua_touserdata(L, 3); | |
| 1496 luaL_buffinit(L, &b); | |
| 1497 luaL_addlstring(&b, LUAVIM_EVALHEADER, sizeof(LUAVIM_EVALHEADER) - 1); | |
| 1498 luaL_addlstring(&b, str, l); | |
| 1499 luaL_pushresult(&b); | |
| 1500 str = lua_tolstring(L, -1, &l); | |
| 1501 if (luaL_loadbuffer(L, str, l, LUAVIM_EVALNAME)) /* compile error? */ | |
| 1502 { | |
| 1503 luaV_emsg(L); | |
| 1504 return 0; | |
| 1505 } | |
| 1506 luaV_pushtypval(L, arg); | |
| 1507 if (lua_pcall(L, 1, 1, 0)) /* running error? */ | |
| 1508 { | |
| 1509 luaV_emsg(L); | |
| 1510 return 0; | |
| 1511 } | |
| 1512 luaV_totypval(L, -1, rettv); | |
| 1513 return 0; | |
| 1514 } | |
| 1515 | |
| 1516 static int | |
| 1517 luaV_setref (lua_State *L) | |
| 1518 { | |
| 1519 int copyID = lua_tointeger(L, 1); | |
| 1520 typval_T tv; | |
| 1521 luaV_getfield(L, LUAVIM_LIST); | |
| 1522 luaV_getfield(L, LUAVIM_DICT); | |
| 1523 lua_pushnil(L); | |
| 1524 while (lua_next(L, lua_upvalueindex(1)) != 0) /* traverse cache table */ | |
| 1525 { | |
| 1526 lua_getmetatable(L, -1); | |
| 1527 if (lua_rawequal(L, -1, 2)) /* list? */ | |
| 1528 { | |
| 1529 tv.v_type = VAR_LIST; | |
| 1530 tv.vval.v_list = (list_T *) lua_touserdata(L, 4); /* key */ | |
| 1531 } | |
| 1532 else if (lua_rawequal(L, -1, 3)) /* dict? */ | |
| 1533 { | |
| 1534 tv.v_type = VAR_DICT; | |
| 1535 tv.vval.v_dict = (dict_T *) lua_touserdata(L, 4); /* key */ | |
| 1536 } | |
| 1537 lua_pop(L, 2); /* metatable and value */ | |
| 3618 | 1538 set_ref_in_item(&tv, copyID); |
| 3450 | 1539 } |
| 1540 return 0; | |
| 1541 } | |
| 1542 | |
| 2330 | 1543 static int |
| 1544 luaopen_vim(lua_State *L) | |
| 1545 { | |
| 3450 | 1546 /* set cache table */ |
|
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|
1547 lua_newtable(L); |
|
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|
1548 lua_newtable(L); |
| 3450 | 1549 lua_pushstring(L, "v"); |
|
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|
1550 lua_setfield(L, -2, "__mode"); |
| 3450 | 1551 lua_setmetatable(L, -2); /* cache is weak-valued */ |
|
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|
1552 /* print */ |
|
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|
1553 lua_pushcfunction(L, luaV_print); |
|
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|
1554 lua_setglobal(L, "print"); |
| 3091 | 1555 /* debug.debug */ |
| 1556 lua_getglobal(L, "debug"); | |
| 1557 lua_pushcfunction(L, luaV_debug); | |
| 1558 lua_setfield(L, -2, "debug"); | |
| 1559 lua_pop(L, 1); | |
|
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|
1560 /* free */ |
|
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|
1561 lua_pushlightuserdata(L, (void *) LUAVIM_FREE); |
| 3450 | 1562 lua_pushvalue(L, 1); /* cache table */ |
| 1563 lua_pushcclosure(L, luaV_free, 1); | |
| 1564 lua_rawset(L, LUA_REGISTRYINDEX); | |
| 1565 /* luaeval */ | |
| 1566 lua_pushlightuserdata(L, (void *) LUAVIM_LUAEVAL); | |
| 1567 lua_pushvalue(L, 1); /* cache table */ | |
| 1568 lua_pushcclosure(L, luaV_luaeval, 1); | |
| 1569 lua_rawset(L, LUA_REGISTRYINDEX); | |
| 1570 /* setref */ | |
| 1571 lua_pushlightuserdata(L, (void *) LUAVIM_SETREF); | |
| 1572 lua_pushvalue(L, 1); /* cache table */ | |
| 1573 lua_pushcclosure(L, luaV_setref, 1); | |
|
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|
1574 lua_rawset(L, LUA_REGISTRYINDEX); |
|
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|
1575 /* register */ |
| 3450 | 1576 luaV_newmetatable(L, LUAVIM_LIST); |
| 1577 lua_pushvalue(L, 1); | |
| 1578 luaV_openlib(L, luaV_List_mt, 1); | |
| 1579 luaV_newmetatable(L, LUAVIM_DICT); | |
| 1580 lua_pushvalue(L, 1); | |
| 1581 luaV_openlib(L, luaV_Dict_mt, 1); | |
|
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|
1582 luaV_newmetatable(L, LUAVIM_BUFFER); |
| 3450 | 1583 lua_pushvalue(L, 1); /* cache table */ |
| 1584 luaV_openlib(L, luaV_Buffer_mt, 1); | |
|
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|
1585 luaV_newmetatable(L, LUAVIM_WINDOW); |
| 3450 | 1586 lua_pushvalue(L, 1); /* cache table */ |
| 1587 luaV_openlib(L, luaV_Window_mt, 1); | |
| 1588 lua_newtable(L); /* vim table */ | |
| 1589 lua_pushvalue(L, 1); /* cache table */ | |
| 1590 luaV_openlib(L, luaV_module, 1); | |
| 1591 lua_setglobal(L, LUAVIM_NAME); | |
|
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|
1592 return 0; |
|
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|
1593 } |
|
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|
1594 |
| 2330 | 1595 static lua_State * |
| 1596 luaV_newstate(void) | |
| 1597 { | |
|
2320
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1598 lua_State *L = luaL_newstate(); |
|
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1599 luaL_openlibs(L); /* core libs */ |
|
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1600 lua_pushcfunction(L, luaopen_vim); /* vim */ |
|
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1601 lua_call(L, 0, 0); |
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1602 return L; |
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1603 } |
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1604 |
| 2330 | 1605 static void |
| 1606 luaV_setrange(lua_State *L, int line1, int line2) | |
| 1607 { | |
|
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1608 lua_getglobal(L, LUAVIM_NAME); |
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1609 lua_pushinteger(L, line1); |
|
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1610 lua_setfield(L, -2, "firstline"); |
|
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1611 lua_pushinteger(L, line2); |
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1612 lua_setfield(L, -2, "lastline"); |
|
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|
1613 lua_pop(L, 1); /* vim table */ |
|
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1614 } |
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1615 |
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1616 |
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|
1617 /* ======= Interface ======= */ |
|
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1618 |
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1619 static lua_State *L = NULL; |
|
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1620 |
| 2330 | 1621 static int |
| 3450 | 1622 lua_isopen(void) |
|
2543
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1623 { |
|
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1624 return L != NULL; |
|
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1625 } |
|
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1626 |
|
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|
1627 static int |
| 2330 | 1628 lua_init(void) |
| 1629 { | |
| 3450 | 1630 if (!lua_isopen()) |
| 2330 | 1631 { |
|
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|
1632 #ifdef DYNAMIC_LUA |
| 2330 | 1633 if (!lua_enabled(TRUE)) |
| 1634 { | |
| 1635 EMSG(_("Lua library cannot be loaded.")); | |
| 1636 return FAIL; | |
| 1637 } | |
|
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1638 #endif |
| 2330 | 1639 L = luaV_newstate(); |
|
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1640 } |
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1641 return OK; |
|
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1642 } |
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1643 |
| 2330 | 1644 void |
| 1645 lua_end(void) | |
| 1646 { | |
| 3450 | 1647 if (lua_isopen()) |
| 2330 | 1648 { |
| 1649 lua_close(L); | |
| 1650 L = NULL; | |
|
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|
1651 #ifdef DYNAMIC_LUA |
| 2330 | 1652 end_dynamic_lua(); |
|
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1653 #endif |
|
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1654 } |
|
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1655 } |
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1656 |
|
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|
1657 /* ex commands */ |
| 2330 | 1658 void |
| 1659 ex_lua(exarg_T *eap) | |
| 1660 { | |
|
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1661 char *script; |
|
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1662 if (lua_init() == FAIL) return; |
|
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1663 script = (char *) script_get(eap, eap->arg); |
| 2330 | 1664 if (!eap->skip) |
| 1665 { | |
| 1666 char *s = (script) ? script : (char *) eap->arg; | |
| 1667 luaV_setrange(L, eap->line1, eap->line2); | |
| 1668 if (luaL_loadbuffer(L, s, strlen(s), LUAVIM_CHUNKNAME) | |
| 1669 || lua_pcall(L, 0, 0, 0)) | |
| 1670 luaV_emsg(L); | |
|
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1671 } |
|
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|
1672 if (script != NULL) vim_free(script); |
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|
1673 } |
|
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|
1674 |
| 2330 | 1675 void |
| 1676 ex_luado(exarg_T *eap) | |
| 1677 { | |
|
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|
1678 linenr_T l; |
|
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|
1679 const char *s = (const char *) eap->arg; |
|
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|
1680 luaL_Buffer b; |
|
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|
1681 size_t len; |
|
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|
1682 if (lua_init() == FAIL) return; |
| 2330 | 1683 if (u_save(eap->line1 - 1, eap->line2 + 1) == FAIL) |
| 1684 { | |
| 1685 EMSG(_("cannot save undo information")); | |
| 1686 return; | |
|
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|
1687 } |
|
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|
1688 luaV_setrange(L, eap->line1, eap->line2); |
|
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|
1689 luaL_buffinit(L, &b); |
| 3459 | 1690 luaL_addlstring(&b, "return function(line, linenr) ", 30); /* header */ |
|
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|
1691 luaL_addlstring(&b, s, strlen(s)); |
|
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|
1692 luaL_addlstring(&b, " end", 4); /* footer */ |
|
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|
1693 luaL_pushresult(&b); |
|
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|
1694 s = lua_tolstring(L, -1, &len); |
| 2330 | 1695 if (luaL_loadbuffer(L, s, len, LUAVIM_CHUNKNAME)) |
| 1696 { | |
| 1697 luaV_emsg(L); | |
| 1698 lua_pop(L, 1); /* function body */ | |
| 1699 return; | |
|
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|
1700 } |
|
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|
1701 lua_call(L, 0, 1); |
|
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|
1702 lua_replace(L, -2); /* function -> body */ |
| 2330 | 1703 for (l = eap->line1; l <= eap->line2; l++) |
| 1704 { | |
| 1705 lua_pushvalue(L, -1); /* function */ | |
| 1706 luaV_pushline(L, curbuf, l); /* current line as arg */ | |
| 3459 | 1707 lua_pushinteger(L, l); /* current line number as arg */ |
| 1708 if (lua_pcall(L, 2, 1, 0)) | |
| 2330 | 1709 { |
| 1710 luaV_emsg(L); | |
| 1711 break; | |
| 1712 } | |
| 1713 if (lua_isstring(L, -1)) /* update line? */ | |
| 1714 { | |
|
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|
1715 #ifdef HAVE_SANDBOX |
| 2330 | 1716 luaV_checksandbox(L); |
|
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|
1717 #endif |
| 2330 | 1718 ml_replace(l, luaV_toline(L, -1), TRUE); |
| 1719 changed_bytes(l, 0); | |
| 1720 lua_pop(L, 1); /* result from luaV_toline */ | |
| 1721 } | |
| 1722 lua_pop(L, 1); /* line */ | |
|
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1723 } |
|
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|
1724 lua_pop(L, 1); /* function */ |
|
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|
1725 check_cursor(); |
|
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|
1726 update_screen(NOT_VALID); |
|
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1727 } |
|
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|
1728 |
| 2330 | 1729 void |
| 1730 ex_luafile(exarg_T *eap) | |
| 1731 { | |
| 1732 if (lua_init() == FAIL) | |
| 1733 return; | |
| 1734 if (!eap->skip) | |
| 1735 { | |
| 1736 luaV_setrange(L, eap->line1, eap->line2); | |
| 1737 if (luaL_loadfile(L, (char *) eap->arg) || lua_pcall(L, 0, 0, 0)) | |
| 1738 luaV_emsg(L); | |
|
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|
1739 } |
|
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|
1740 } |
|
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|
1741 |
| 3450 | 1742 #define luaV_freetype(typ,tname) \ |
| 1743 void \ | |
| 1744 lua_##tname##_free(typ *o) \ | |
| 1745 { \ | |
| 1746 if (!lua_isopen()) return; \ | |
| 1747 luaV_getfield(L, LUAVIM_FREE); \ | |
| 1748 lua_pushlightuserdata(L, (void *) o); \ | |
| 1749 lua_call(L, 1, 0); \ | |
| 1750 } | |
| 1751 | |
| 1752 luaV_freetype(buf_T, buffer) | |
| 1753 luaV_freetype(win_T, window) | |
| 1754 | |
| 2330 | 1755 void |
| 3450 | 1756 do_luaeval (char_u *str, typval_T *arg, typval_T *rettv) |
| 2330 | 1757 { |
| 3450 | 1758 lua_init(); |
| 1759 luaV_getfield(L, LUAVIM_LUAEVAL); | |
| 1760 lua_pushstring(L, (char *) str); | |
| 1761 lua_pushlightuserdata(L, (void *) arg); | |
| 1762 lua_pushlightuserdata(L, (void *) rettv); | |
| 1763 lua_call(L, 3, 0); | |
|
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|
1764 } |
|
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|
1765 |
| 2330 | 1766 void |
| 3450 | 1767 set_ref_in_lua (int copyID) |
| 2330 | 1768 { |
| 3450 | 1769 if (!lua_isopen()) return; |
| 1770 luaV_getfield(L, LUAVIM_SETREF); | |
| 1771 lua_pushinteger(L, copyID); | |
|
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|
1772 lua_call(L, 1, 0); |
|
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|
1773 } |
|
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|
1774 |
|
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|
1775 #endif |