Mercurial > vim
annotate src/if_lua.c @ 4143:f5ef9b9c18cd v7.3.824
updated for version 7.3.824
Problem: Can redefine builtin functions. (ZyX)
Solution: Disallow adding a function to g:.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Wed, 20 Feb 2013 15:19:43 +0100 |
| parents | 688da4d486a0 |
| children | c5eab656ec51 |
| 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_gc (lua_State *L) |
| 669 { | |
| 670 list_unref(luaV_unbox(L, luaV_List, 1)); | |
| 671 return 0; | |
| 672 } | |
| 673 | |
| 674 static int | |
| 675 luaV_list_len (lua_State *L) | |
| 2330 | 676 { |
| 3450 | 677 list_T *l = luaV_unbox(L, luaV_List, 1); |
| 678 lua_pushinteger(L, (l == NULL) ? 0 : (int) l->lv_len); | |
| 679 return 1; | |
| 680 } | |
| 681 | |
| 682 static int | |
| 683 luaV_list_iter (lua_State *L) | |
| 684 { | |
| 685 listitem_T *li = (listitem_T *) lua_touserdata(L, lua_upvalueindex(2)); | |
| 686 if (li == NULL) return 0; | |
| 687 luaV_pushtypval(L, &li->li_tv); | |
| 688 lua_pushlightuserdata(L, (void *) li->li_next); | |
| 689 lua_replace(L, lua_upvalueindex(2)); | |
| 690 return 1; | |
| 691 } | |
| 692 | |
| 693 static int | |
| 694 luaV_list_call (lua_State *L) | |
| 695 { | |
| 696 list_T *l = luaV_unbox(L, luaV_List, 1); | |
| 697 lua_pushvalue(L, lua_upvalueindex(1)); /* pass cache table along */ | |
| 698 lua_pushlightuserdata(L, (void *) l->lv_first); | |
| 699 lua_pushcclosure(L, luaV_list_iter, 2); | |
|
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700 return 1; |
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701 } |
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702 |
| 2330 | 703 static int |
| 3450 | 704 luaV_list_index (lua_State *L) |
| 705 { | |
| 706 list_T *l = luaV_unbox(L, luaV_List, 1); | |
| 707 if (lua_isnumber(L, 2)) /* list item? */ | |
| 708 { | |
| 709 listitem_T *li = list_find(l, (long) luaL_checkinteger(L, 2)); | |
| 710 if (li == NULL) | |
| 711 lua_pushnil(L); | |
| 712 else | |
| 713 luaV_pushtypval(L, &li->li_tv); | |
| 714 } | |
| 715 else if (lua_isstring(L, 2)) /* method? */ | |
| 716 { | |
| 717 const char *s = lua_tostring(L, 2); | |
| 718 if (strncmp(s, "add", 3) == 0 | |
| 719 || strncmp(s, "insert", 6) == 0 | |
| 720 || strncmp(s, "extend", 6) == 0) | |
| 721 { | |
| 722 lua_getmetatable(L, 1); | |
| 723 lua_getfield(L, -1, s); | |
| 724 } | |
| 725 else | |
| 726 lua_pushnil(L); | |
| 727 } | |
| 728 else | |
| 729 lua_pushnil(L); | |
| 730 return 1; | |
| 731 } | |
| 732 | |
| 733 static int | |
| 734 luaV_list_newindex (lua_State *L) | |
| 735 { | |
| 736 list_T *l = luaV_unbox(L, luaV_List, 1); | |
| 737 long n = (long) luaL_checkinteger(L, 2); | |
| 738 listitem_T *li; | |
| 739 if (l->lv_lock) | |
| 740 luaL_error(L, "list is locked"); | |
| 741 li = list_find(l, n); | |
| 742 if (li == NULL) return 0; | |
| 743 if (lua_isnil(L, 3)) /* remove? */ | |
| 744 { | |
| 3618 | 745 list_remove(l, li, li); |
| 3450 | 746 clear_tv(&li->li_tv); |
| 747 vim_free(li); | |
| 748 } | |
| 749 else | |
| 750 { | |
| 751 typval_T v; | |
| 752 luaV_totypval(L, 3, &v); | |
| 753 clear_tv(&li->li_tv); | |
| 754 copy_tv(&v, &li->li_tv); | |
| 755 } | |
| 756 return 0; | |
| 757 } | |
| 758 | |
| 759 static int | |
| 760 luaV_list_add (lua_State *L) | |
| 761 { | |
| 762 luaV_List *lis = luaV_checkudata(L, 1, LUAVIM_LIST); | |
| 763 list_T *l = (list_T *) luaV_checkcache(L, (void *) *lis); | |
| 764 listitem_T *li; | |
| 765 if (l->lv_lock) | |
| 766 luaL_error(L, "list is locked"); | |
| 767 li = listitem_alloc(); | |
| 768 if (li != NULL) | |
| 769 { | |
| 770 typval_T v; | |
| 771 lua_settop(L, 2); | |
| 772 luaV_totypval(L, 2, &v); | |
| 3618 | 773 list_append_tv(l, &v); |
| 3450 | 774 } |
| 775 lua_settop(L, 1); | |
| 776 return 1; | |
| 777 } | |
| 778 | |
| 779 static int | |
| 780 luaV_list_insert (lua_State *L) | |
| 781 { | |
| 782 luaV_List *lis = luaV_checkudata(L, 1, LUAVIM_LIST); | |
| 783 list_T *l = (list_T *) luaV_checkcache(L, (void *) *lis); | |
| 784 long pos = luaL_optlong(L, 3, 0); | |
| 785 listitem_T *li = NULL; | |
| 786 typval_T v; | |
| 787 if (l->lv_lock) | |
| 788 luaL_error(L, "list is locked"); | |
| 789 if (pos < l->lv_len) | |
| 790 { | |
| 791 li = list_find(l, pos); | |
| 792 if (li == NULL) | |
| 793 luaL_error(L, "invalid position"); | |
| 794 } | |
| 795 lua_settop(L, 2); | |
| 796 luaV_totypval(L, 2, &v); | |
| 797 list_insert_tv(l, &v, li); | |
| 798 lua_settop(L, 1); | |
| 799 return 1; | |
| 800 } | |
| 801 | |
| 802 static const luaL_Reg luaV_List_mt[] = { | |
| 803 {"__tostring", luaV_list_tostring}, | |
| 804 {"__gc", luaV_list_gc}, | |
| 805 {"__len", luaV_list_len}, | |
| 806 {"__call", luaV_list_call}, | |
| 807 {"__index", luaV_list_index}, | |
| 808 {"__newindex", luaV_list_newindex}, | |
| 809 {"add", luaV_list_add}, | |
| 810 {"insert", luaV_list_insert}, | |
| 811 {NULL, NULL} | |
| 812 }; | |
| 813 | |
| 814 | |
| 815 /* ======= Dict type ======= */ | |
| 816 | |
| 817 static luaV_Dict * | |
| 818 luaV_newdict (lua_State *L, dict_T *dic) | |
| 819 { | |
| 820 luaV_Dict *d = (luaV_Dict *) lua_newuserdata(L, sizeof(luaV_Dict)); | |
| 821 *d = dic; | |
| 822 dic->dv_refcount++; /* reference in Lua */ | |
| 823 luaV_setudata(L, dic); /* cache[dic] = udata */ | |
| 824 luaV_getfield(L, LUAVIM_DICT); | |
| 825 lua_setmetatable(L, -2); | |
| 826 return d; | |
| 827 } | |
| 828 | |
| 829 luaV_pushtype(dict_T, dict, luaV_Dict) | |
| 830 luaV_type_tostring(dict, LUAVIM_DICT) | |
| 831 | |
| 832 static int | |
| 833 luaV_dict_gc (lua_State *L) | |
| 834 { | |
| 835 dict_unref(luaV_unbox(L, luaV_Dict, 1)); | |
| 836 return 0; | |
| 837 } | |
| 838 | |
| 839 static int | |
| 840 luaV_dict_len (lua_State *L) | |
| 841 { | |
| 842 dict_T *d = luaV_unbox(L, luaV_Dict, 1); | |
| 843 lua_pushinteger(L, (d == NULL) ? 0 : (int) d->dv_hashtab.ht_used); | |
| 844 return 1; | |
| 845 } | |
| 846 | |
| 847 static int | |
| 4135 | 848 luaV_dict_iter (lua_State *L UNUSED) |
| 3450 | 849 { |
| 4135 | 850 #ifdef FEAT_EVAL |
| 3450 | 851 hashitem_T *hi = (hashitem_T *) lua_touserdata(L, lua_upvalueindex(2)); |
| 852 int n = lua_tointeger(L, lua_upvalueindex(3)); | |
| 853 dictitem_T *di; | |
| 854 if (n <= 0) return 0; | |
| 855 while (HASHITEM_EMPTY(hi)) hi++; | |
| 856 di = dict_lookup(hi); | |
| 857 lua_pushstring(L, (char *) hi->hi_key); | |
| 858 luaV_pushtypval(L, &di->di_tv); | |
| 859 lua_pushlightuserdata(L, (void *) (hi + 1)); | |
| 860 lua_replace(L, lua_upvalueindex(2)); | |
| 861 lua_pushinteger(L, n - 1); | |
| 862 lua_replace(L, lua_upvalueindex(3)); | |
| 863 return 2; | |
| 4135 | 864 #else |
| 865 return 0; | |
| 866 #endif | |
| 3450 | 867 } |
| 868 | |
| 869 static int | |
| 870 luaV_dict_call (lua_State *L) | |
| 871 { | |
| 872 dict_T *d = luaV_unbox(L, luaV_Dict, 1); | |
| 873 hashtab_T *ht = &d->dv_hashtab; | |
| 874 lua_pushvalue(L, lua_upvalueindex(1)); /* pass cache table along */ | |
| 875 lua_pushlightuserdata(L, (void *) ht->ht_array); | |
| 876 lua_pushinteger(L, ht->ht_used); /* # remaining items */ | |
| 877 lua_pushcclosure(L, luaV_dict_iter, 3); | |
| 878 return 1; | |
| 879 } | |
| 880 | |
| 881 static int | |
| 882 luaV_dict_index (lua_State *L) | |
| 883 { | |
| 884 dict_T *d = luaV_unbox(L, luaV_Dict, 1); | |
| 885 char_u *key = (char_u *) luaL_checkstring(L, 2); | |
| 886 dictitem_T *di = dict_find(d, key, -1); | |
| 887 if (di == NULL) | |
| 888 lua_pushnil(L); | |
| 889 else | |
| 890 luaV_pushtypval(L, &di->di_tv); | |
| 891 return 1; | |
| 892 } | |
| 893 | |
| 894 static int | |
| 895 luaV_dict_newindex (lua_State *L) | |
| 896 { | |
| 897 dict_T *d = luaV_unbox(L, luaV_Dict, 1); | |
| 898 char_u *key = (char_u *) luaL_checkstring(L, 2); | |
| 899 dictitem_T *di; | |
| 900 if (d->dv_lock) | |
| 901 luaL_error(L, "dict is locked"); | |
| 902 di = dict_find(d, key, -1); | |
| 903 if (di == NULL) /* non-existing key? */ | |
| 904 { | |
| 905 if (lua_isnil(L, 3)) return 0; | |
| 906 di = dictitem_alloc(key); | |
| 907 if (di == NULL) return 0; | |
| 908 if (dict_add(d, di) == FAIL) | |
| 909 { | |
| 910 vim_free(di); | |
| 911 return 0; | |
| 912 } | |
| 913 } | |
| 914 else | |
| 915 clear_tv(&di->di_tv); | |
| 916 if (lua_isnil(L, 3)) /* remove? */ | |
| 917 { | |
| 918 hashitem_T *hi = hash_find(&d->dv_hashtab, di->di_key); | |
| 919 hash_remove(&d->dv_hashtab, hi); | |
| 920 dictitem_free(di); | |
| 921 } | |
| 922 else { | |
| 923 typval_T v; | |
| 924 luaV_totypval(L, 3, &v); | |
| 925 copy_tv(&v, &di->di_tv); | |
| 926 } | |
| 927 return 0; | |
| 928 } | |
| 929 | |
| 930 static const luaL_Reg luaV_Dict_mt[] = { | |
| 931 {"__tostring", luaV_dict_tostring}, | |
| 932 {"__gc", luaV_dict_gc}, | |
| 933 {"__len", luaV_dict_len}, | |
| 934 {"__call", luaV_dict_call}, | |
| 935 {"__index", luaV_dict_index}, | |
| 936 {"__newindex", luaV_dict_newindex}, | |
| 937 {NULL, NULL} | |
| 938 }; | |
| 939 | |
| 940 | |
| 941 /* ======= Buffer type ======= */ | |
| 942 | |
| 943 luaV_newtype(buf_T, buffer, luaV_Buffer, LUAVIM_BUFFER) | |
| 944 luaV_pushtype(buf_T, buffer, luaV_Buffer) | |
| 945 luaV_type_tostring(buffer, LUAVIM_BUFFER) | |
| 946 | |
| 947 static int | |
| 2330 | 948 luaV_buffer_len(lua_State *L) |
| 949 { | |
| 3450 | 950 buf_T *b = (buf_T *) luaV_checkvalid(L, luaV_Buffer, 1); |
| 951 lua_pushinteger(L, b->b_ml.ml_line_count); | |
|
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952 return 1; |
|
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953 } |
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954 |
| 2330 | 955 static int |
| 956 luaV_buffer_call(lua_State *L) | |
| 957 { | |
| 3450 | 958 buf_T *b = (buf_T *) luaV_checkvalid(L, luaV_Buffer, 1); |
|
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959 lua_settop(L, 1); |
| 3450 | 960 set_curbuf(b, DOBUF_SPLIT); |
|
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961 return 1; |
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962 } |
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963 |
| 2330 | 964 static int |
| 965 luaV_buffer_index(lua_State *L) | |
| 966 { | |
| 3450 | 967 buf_T *b = (buf_T *) luaV_checkvalid(L, luaV_Buffer, 1); |
|
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968 linenr_T n = (linenr_T) lua_tointeger(L, 2); |
| 3450 | 969 if (n > 0 && n <= b->b_ml.ml_line_count) |
| 970 luaV_pushline(L, b, n); | |
| 2330 | 971 else if (lua_isstring(L, 2)) |
| 972 { | |
| 973 const char *s = lua_tostring(L, 2); | |
| 974 if (strncmp(s, "name", 4) == 0) | |
| 3450 | 975 lua_pushstring(L, (char *) b->b_sfname); |
| 2330 | 976 else if (strncmp(s, "fname", 5) == 0) |
| 3450 | 977 lua_pushstring(L, (char *) b->b_ffname); |
| 2330 | 978 else if (strncmp(s, "number", 6) == 0) |
| 3450 | 979 lua_pushinteger(L, b->b_fnum); |
| 2330 | 980 /* methods */ |
| 981 else if (strncmp(s, "insert", 6) == 0 | |
| 982 || strncmp(s, "next", 4) == 0 | |
| 983 || strncmp(s, "previous", 8) == 0 | |
| 984 || strncmp(s, "isvalid", 7) == 0) | |
| 985 { | |
| 986 lua_getmetatable(L, 1); | |
| 987 lua_getfield(L, -1, s); | |
| 988 } | |
| 989 else | |
| 990 lua_pushnil(L); | |
|
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991 } |
| 2330 | 992 else |
| 993 lua_pushnil(L); | |
|
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994 return 1; |
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995 } |
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996 |
| 2330 | 997 static int |
| 998 luaV_buffer_newindex(lua_State *L) | |
| 999 { | |
| 3450 | 1000 buf_T *b = (buf_T *) luaV_checkvalid(L, luaV_Buffer, 1); |
|
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1001 linenr_T n = (linenr_T) luaL_checkinteger(L, 2); |
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1002 #ifdef HAVE_SANDBOX |
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1003 luaV_checksandbox(L); |
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1004 #endif |
| 3450 | 1005 if (n < 1 || n > b->b_ml.ml_line_count) |
| 2330 | 1006 luaL_error(L, "invalid line number"); |
| 1007 if (lua_isnil(L, 3)) /* delete line */ | |
| 1008 { | |
| 1009 buf_T *buf = curbuf; | |
| 3450 | 1010 curbuf = b; |
| 2330 | 1011 if (u_savedel(n, 1L) == FAIL) |
| 1012 { | |
| 1013 curbuf = buf; | |
| 1014 luaL_error(L, "cannot save undo information"); | |
| 1015 } | |
| 1016 else if (ml_delete(n, FALSE) == FAIL) | |
| 1017 { | |
| 1018 curbuf = buf; | |
| 1019 luaL_error(L, "cannot delete line"); | |
| 1020 } | |
| 1021 else { | |
| 1022 deleted_lines_mark(n, 1L); | |
| 3450 | 1023 if (b == curwin->w_buffer) /* fix cursor in current window? */ |
| 2330 | 1024 { |
| 1025 if (curwin->w_cursor.lnum >= n) | |
| 1026 { | |
| 1027 if (curwin->w_cursor.lnum > n) | |
| 1028 { | |
| 1029 curwin->w_cursor.lnum -= 1; | |
| 1030 check_cursor_col(); | |
| 1031 } | |
| 1032 else check_cursor(); | |
| 1033 changed_cline_bef_curs(); | |
| 1034 } | |
| 1035 invalidate_botline(); | |
| 1036 } | |
| 1037 } | |
| 1038 curbuf = buf; | |
|
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1039 } |
| 2330 | 1040 else if (lua_isstring(L, 3)) /* update line */ |
| 1041 { | |
| 1042 buf_T *buf = curbuf; | |
| 3450 | 1043 curbuf = b; |
| 2330 | 1044 if (u_savesub(n) == FAIL) |
| 1045 { | |
| 1046 curbuf = buf; | |
| 1047 luaL_error(L, "cannot save undo information"); | |
| 1048 } | |
| 1049 else if (ml_replace(n, luaV_toline(L, 3), TRUE) == FAIL) | |
| 1050 { | |
| 1051 curbuf = buf; | |
| 1052 luaL_error(L, "cannot replace line"); | |
| 1053 } | |
| 1054 else changed_bytes(n, 0); | |
| 1055 curbuf = buf; | |
| 3450 | 1056 if (b == curwin->w_buffer) |
| 2330 | 1057 check_cursor_col(); |
|
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1058 } |
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1059 else |
| 2330 | 1060 luaL_error(L, "wrong argument to change line"); |
|
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1061 return 0; |
|
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1062 } |
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1063 |
| 2330 | 1064 static int |
| 1065 luaV_buffer_insert(lua_State *L) | |
| 1066 { | |
| 3450 | 1067 luaV_Buffer *lb = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
| 1068 buf_T *b = (buf_T *) luaV_checkcache(L, (void *) *lb); | |
| 1069 linenr_T last = b->b_ml.ml_line_count; | |
|
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1070 linenr_T n = (linenr_T) luaL_optinteger(L, 3, last); |
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1071 buf_T *buf; |
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1072 luaL_checktype(L, 2, LUA_TSTRING); |
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1073 #ifdef HAVE_SANDBOX |
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1074 luaV_checksandbox(L); |
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1075 #endif |
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1076 /* fix insertion line */ |
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1077 if (n < 0) n = 0; |
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1078 if (n > last) n = last; |
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1079 /* insert */ |
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1080 buf = curbuf; |
| 3450 | 1081 curbuf = b; |
| 2330 | 1082 if (u_save(n, n + 1) == FAIL) |
| 1083 { | |
| 1084 curbuf = buf; | |
| 1085 luaL_error(L, "cannot save undo information"); | |
|
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1086 } |
| 2330 | 1087 else if (ml_append(n, luaV_toline(L, 2), 0, FALSE) == FAIL) |
| 1088 { | |
| 1089 curbuf = buf; | |
| 1090 luaL_error(L, "cannot insert line"); | |
|
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1091 } |
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1092 else |
| 2330 | 1093 appended_lines_mark(n, 1L); |
|
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1094 curbuf = buf; |
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1095 update_screen(VALID); |
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1096 return 0; |
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1097 } |
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1098 |
| 2330 | 1099 static int |
| 1100 luaV_buffer_next(lua_State *L) | |
| 1101 { | |
|
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1102 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
| 3450 | 1103 buf_T *buf = (buf_T *) luaV_checkcache(L, (void *) *b); |
| 1104 luaV_pushbuffer(L, buf->b_next); | |
|
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1105 return 1; |
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1106 } |
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1107 |
| 2330 | 1108 static int |
| 1109 luaV_buffer_previous(lua_State *L) | |
| 1110 { | |
|
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1111 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
| 3450 | 1112 buf_T *buf = (buf_T *) luaV_checkcache(L, (void *) *b); |
| 1113 luaV_pushbuffer(L, buf->b_prev); | |
|
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1114 return 1; |
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1115 } |
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1116 |
| 2330 | 1117 static int |
| 1118 luaV_buffer_isvalid(lua_State *L) | |
| 1119 { | |
|
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1120 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
| 3450 | 1121 luaV_getudata(L, *b); |
|
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1122 lua_pushboolean(L, !lua_isnil(L, -1)); |
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1123 return 1; |
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1124 } |
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1125 |
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1126 static const luaL_Reg luaV_Buffer_mt[] = { |
|
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1127 {"__tostring", luaV_buffer_tostring}, |
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1128 {"__len", luaV_buffer_len}, |
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1129 {"__call", luaV_buffer_call}, |
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1130 {"__index", luaV_buffer_index}, |
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1131 {"__newindex", luaV_buffer_newindex}, |
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1132 {"insert", luaV_buffer_insert}, |
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|
1133 {"next", luaV_buffer_next}, |
|
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|
1134 {"previous", luaV_buffer_previous}, |
|
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1135 {"isvalid", luaV_buffer_isvalid}, |
|
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|
1136 {NULL, NULL} |
|
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|
1137 }; |
|
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|
1138 |
|
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|
1139 |
|
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|
1140 /* ======= Window type ======= */ |
|
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|
1141 |
| 3450 | 1142 luaV_newtype(win_T, window, luaV_Window, LUAVIM_WINDOW) |
| 1143 luaV_pushtype(win_T, window, luaV_Window) | |
| 1144 luaV_type_tostring(window, LUAVIM_WINDOW) | |
|
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|
1145 |
| 2330 | 1146 static int |
| 1147 luaV_window_call(lua_State *L) | |
| 1148 { | |
| 3450 | 1149 win_T *w = (win_T *) luaV_checkvalid(L, luaV_Window, 1); |
|
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|
1150 lua_settop(L, 1); |
| 3450 | 1151 win_goto(w); |
|
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|
1152 return 1; |
|
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|
1153 } |
|
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|
1154 |
| 2330 | 1155 static int |
| 1156 luaV_window_index(lua_State *L) | |
| 1157 { | |
| 3450 | 1158 win_T *w = (win_T *) luaV_checkvalid(L, luaV_Window, 1); |
|
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|
1159 const char *s = luaL_checkstring(L, 2); |
|
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|
1160 if (strncmp(s, "buffer", 6) == 0) |
| 3450 | 1161 luaV_pushbuffer(L, w->w_buffer); |
|
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|
1162 else if (strncmp(s, "line", 4) == 0) |
| 3450 | 1163 lua_pushinteger(L, w->w_cursor.lnum); |
|
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|
1164 else if (strncmp(s, "col", 3) == 0) |
| 3450 | 1165 lua_pushinteger(L, w->w_cursor.col + 1); |
|
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|
1166 #ifdef FEAT_VERTSPLIT |
|
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|
1167 else if (strncmp(s, "width", 5) == 0) |
| 3450 | 1168 lua_pushinteger(L, W_WIDTH(w)); |
|
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|
1169 #endif |
|
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|
1170 else if (strncmp(s, "height", 6) == 0) |
| 3450 | 1171 lua_pushinteger(L, w->w_height); |
|
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|
1172 /* methods */ |
|
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|
1173 else if (strncmp(s, "next", 4) == 0 |
| 2330 | 1174 || strncmp(s, "previous", 8) == 0 |
| 1175 || strncmp(s, "isvalid", 7) == 0) | |
| 1176 { | |
| 1177 lua_getmetatable(L, 1); | |
| 1178 lua_getfield(L, -1, s); | |
|
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|
1179 } |
|
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|
1180 else |
| 2330 | 1181 lua_pushnil(L); |
|
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|
1182 return 1; |
|
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|
1183 } |
|
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|
1184 |
| 2330 | 1185 static int |
| 1186 luaV_window_newindex (lua_State *L) | |
| 1187 { | |
| 3450 | 1188 win_T *w = (win_T *) luaV_checkvalid(L, luaV_Window, 1); |
|
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|
1189 const char *s = luaL_checkstring(L, 2); |
|
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|
1190 int v = luaL_checkinteger(L, 3); |
| 2330 | 1191 if (strncmp(s, "line", 4) == 0) |
| 1192 { | |
|
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|
1193 #ifdef HAVE_SANDBOX |
| 2330 | 1194 luaV_checksandbox(L); |
|
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|
1195 #endif |
| 3450 | 1196 if (v < 1 || v > w->w_buffer->b_ml.ml_line_count) |
| 2330 | 1197 luaL_error(L, "line out of range"); |
| 3450 | 1198 w->w_cursor.lnum = v; |
| 2330 | 1199 update_screen(VALID); |
|
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|
1200 } |
| 2330 | 1201 else if (strncmp(s, "col", 3) == 0) |
| 1202 { | |
|
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|
1203 #ifdef HAVE_SANDBOX |
| 2330 | 1204 luaV_checksandbox(L); |
|
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|
1205 #endif |
| 3450 | 1206 w->w_cursor.col = v - 1; |
| 2330 | 1207 update_screen(VALID); |
|
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|
1208 } |
|
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|
1209 #ifdef FEAT_VERTSPLIT |
| 2330 | 1210 else if (strncmp(s, "width", 5) == 0) |
| 1211 { | |
| 1212 win_T *win = curwin; | |
|
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|
1213 #ifdef FEAT_GUI |
| 2330 | 1214 need_mouse_correct = TRUE; |
|
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|
1215 #endif |
| 3450 | 1216 curwin = w; |
| 2330 | 1217 win_setwidth(v); |
| 1218 curwin = win; | |
|
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|
1219 } |
|
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|
1220 #endif |
| 2330 | 1221 else if (strncmp(s, "height", 6) == 0) |
| 1222 { | |
| 1223 win_T *win = curwin; | |
|
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|
1224 #ifdef FEAT_GUI |
| 2330 | 1225 need_mouse_correct = TRUE; |
|
2320
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|
1226 #endif |
| 3450 | 1227 curwin = w; |
| 2330 | 1228 win_setheight(v); |
| 1229 curwin = win; | |
|
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|
1230 } |
|
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|
1231 else |
| 2330 | 1232 luaL_error(L, "invalid window property: `%s'", s); |
|
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|
1233 return 0; |
|
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|
1234 } |
|
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|
1235 |
| 2330 | 1236 static int |
| 1237 luaV_window_next(lua_State *L) | |
| 1238 { | |
|
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|
1239 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
| 3450 | 1240 win_T *win = (win_T *) luaV_checkcache(L, (void *) *w); |
| 1241 luaV_pushwindow(L, win->w_next); | |
|
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|
1242 return 1; |
|
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|
1243 } |
|
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|
1244 |
| 2330 | 1245 static int |
| 1246 luaV_window_previous(lua_State *L) | |
| 1247 { | |
|
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|
1248 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
| 3450 | 1249 win_T *win = (win_T *) luaV_checkcache(L, (void *) *w); |
| 1250 luaV_pushwindow(L, win->w_prev); | |
|
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|
1251 return 1; |
|
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|
1252 } |
|
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|
1253 |
| 2330 | 1254 static int |
| 1255 luaV_window_isvalid(lua_State *L) | |
| 1256 { | |
|
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|
1257 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
| 3450 | 1258 luaV_getudata(L, *w); |
|
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|
1259 lua_pushboolean(L, !lua_isnil(L, -1)); |
|
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|
1260 return 1; |
|
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|
1261 } |
|
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|
1262 |
|
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|
1263 static const luaL_Reg luaV_Window_mt[] = { |
|
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|
1264 {"__tostring", luaV_window_tostring}, |
|
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|
1265 {"__call", luaV_window_call}, |
|
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|
1266 {"__index", luaV_window_index}, |
|
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|
1267 {"__newindex", luaV_window_newindex}, |
|
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|
1268 {"next", luaV_window_next}, |
|
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|
1269 {"previous", luaV_window_previous}, |
|
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|
1270 {"isvalid", luaV_window_isvalid}, |
|
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|
1271 {NULL, NULL} |
|
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|
1272 }; |
|
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|
1273 |
|
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|
1274 |
|
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|
1275 /* ======= Vim module ======= */ |
|
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|
1276 |
| 2330 | 1277 static int |
| 1278 luaV_print(lua_State *L) | |
| 1279 { | |
|
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|
1280 int i, n = lua_gettop(L); /* nargs */ |
|
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|
1281 const char *s; |
|
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|
1282 size_t l; |
|
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|
1283 luaL_Buffer b; |
|
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|
1284 luaL_buffinit(L, &b); |
|
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|
1285 lua_getglobal(L, "tostring"); |
| 2330 | 1286 for (i = 1; i <= n; i++) |
| 1287 { | |
| 1288 lua_pushvalue(L, -1); /* tostring */ | |
| 1289 lua_pushvalue(L, i); /* arg */ | |
| 1290 lua_call(L, 1, 1); | |
| 1291 s = lua_tolstring(L, -1, &l); | |
| 1292 if (s == NULL) | |
| 1293 return luaL_error(L, "cannot convert to string"); | |
| 1294 if (i > 1) luaL_addchar(&b, ' '); /* use space instead of tab */ | |
| 1295 luaV_addlstring(&b, s, l, 0); | |
| 1296 lua_pop(L, 1); | |
|
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|
1297 } |
|
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|
1298 luaL_pushresult(&b); |
|
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|
1299 luaV_msg(L); |
|
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|
1300 return 0; |
|
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|
1301 } |
|
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|
1302 |
| 2330 | 1303 static int |
| 3091 | 1304 luaV_debug(lua_State *L) |
| 1305 { | |
| 1306 lua_settop(L, 0); | |
| 1307 lua_getglobal(L, "vim"); | |
| 1308 lua_getfield(L, -1, "eval"); | |
| 1309 lua_remove(L, -2); /* vim.eval at position 1 */ | |
| 1310 for (;;) | |
| 1311 { | |
| 1312 const char *input; | |
| 1313 size_t l; | |
| 1314 lua_pushvalue(L, 1); /* vim.eval */ | |
| 1315 lua_pushliteral(L, "input('lua_debug> ')"); | |
| 1316 lua_call(L, 1, 1); /* return string */ | |
| 1317 input = lua_tolstring(L, -1, &l); | |
| 1318 if (l == 0 || strcmp(input, "cont") == 0) | |
| 1319 return 0; | |
| 1320 msg_putchar('\n'); /* avoid outputting on input line */ | |
| 1321 if (luaL_loadbuffer(L, input, l, "=(debug command)") | |
| 1322 || lua_pcall(L, 0, 0, 0)) | |
| 1323 luaV_emsg(L); | |
| 1324 lua_settop(L, 1); /* remove eventual returns, but keep vim.eval */ | |
| 1325 } | |
| 1326 } | |
| 1327 | |
| 1328 static int | |
| 2330 | 1329 luaV_command(lua_State *L) |
| 1330 { | |
|
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1331 do_cmdline_cmd((char_u *) luaL_checkstring(L, 1)); |
|
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1332 update_screen(VALID); |
|
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1333 return 0; |
|
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1334 } |
|
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1335 |
| 2330 | 1336 static int |
| 1337 luaV_eval(lua_State *L) | |
| 1338 { | |
|
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1339 typval_T *tv = eval_expr((char_u *) luaL_checkstring(L, 1), NULL); |
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1340 if (tv == NULL) luaL_error(L, "invalid expression"); |
|
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1341 luaV_pushtypval(L, tv); |
|
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1342 return 1; |
|
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1343 } |
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1344 |
| 2330 | 1345 static int |
|
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1346 luaV_beep(lua_State *L UNUSED) |
| 2330 | 1347 { |
|
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1348 vim_beep(); |
|
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1349 return 0; |
|
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1350 } |
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1351 |
| 2330 | 1352 static int |
| 1353 luaV_line(lua_State *L) | |
| 1354 { | |
|
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1355 luaV_pushline(L, curbuf, curwin->w_cursor.lnum); |
|
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1356 return 1; |
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1357 } |
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|
1358 |
| 2330 | 1359 static int |
| 3450 | 1360 luaV_list(lua_State *L) |
| 1361 { | |
| 1362 list_T *l = list_alloc(); | |
| 1363 if (l == NULL) | |
| 1364 lua_pushnil(L); | |
| 1365 else | |
| 1366 luaV_newlist(L, l); | |
| 1367 return 1; | |
| 1368 } | |
| 1369 | |
| 1370 static int | |
| 1371 luaV_dict(lua_State *L) | |
| 1372 { | |
| 1373 dict_T *d = dict_alloc(); | |
| 1374 if (d == NULL) | |
| 1375 lua_pushnil(L); | |
| 1376 else | |
| 1377 luaV_newdict(L, d); | |
| 1378 return 1; | |
| 1379 } | |
| 1380 | |
| 1381 static int | |
| 2330 | 1382 luaV_buffer(lua_State *L) |
| 1383 { | |
|
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1384 buf_T *buf; |
| 2330 | 1385 if (lua_isstring(L, 1)) /* get by number or name? */ |
| 1386 { | |
| 1387 if (lua_isnumber(L, 1)) /* by number? */ | |
| 1388 { | |
| 1389 int n = lua_tointeger(L, 1); | |
| 1390 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 1391 if (buf->b_fnum == n) break; | |
| 1392 } | |
| 1393 else { /* by name */ | |
| 1394 size_t l; | |
| 1395 const char *s = lua_tolstring(L, 1, &l); | |
| 1396 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 1397 { | |
| 1398 if (buf->b_ffname == NULL || buf->b_sfname == NULL) | |
| 1399 { | |
| 1400 if (l == 0) break; | |
| 1401 } | |
|
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1402 else if (strncmp(s, (char *)buf->b_ffname, l) == 0 |
|
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1403 || strncmp(s, (char *)buf->b_sfname, l) == 0) |
| 2330 | 1404 break; |
| 1405 } | |
| 1406 } | |
|
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1407 } |
| 3450 | 1408 else |
| 2330 | 1409 buf = (lua_toboolean(L, 1)) ? firstbuf : curbuf; /* first buffer? */ |
| 3450 | 1410 luaV_pushbuffer(L, buf); |
|
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1411 return 1; |
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1412 } |
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1413 |
| 2330 | 1414 static int |
| 1415 luaV_window(lua_State *L) | |
| 1416 { | |
|
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1417 win_T *win; |
| 2330 | 1418 if (lua_isnumber(L, 1)) /* get by number? */ |
| 1419 { | |
| 1420 int n = lua_tointeger(L, 1); | |
| 1421 for (win = firstwin; win != NULL; win = win->w_next, n--) | |
| 1422 if (n == 1) break; | |
|
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1423 } |
| 3450 | 1424 else |
| 2330 | 1425 win = (lua_toboolean(L, 1)) ? firstwin : curwin; /* first window? */ |
| 3450 | 1426 luaV_pushwindow(L, win); |
|
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1427 return 1; |
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1428 } |
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1429 |
| 2330 | 1430 static int |
| 1431 luaV_open(lua_State *L) | |
| 1432 { | |
|
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1433 char_u *s = NULL; |
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1434 #ifdef HAVE_SANDBOX |
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1435 luaV_checksandbox(L); |
|
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1436 #endif |
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1437 if (lua_isstring(L, 1)) s = (char_u *) lua_tostring(L, 1); |
| 3200 | 1438 luaV_pushbuffer(L, buflist_new(s, NULL, 1L, BLN_LISTED)); |
|
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1439 return 1; |
|
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1440 } |
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|
1441 |
| 2330 | 1442 static int |
| 3450 | 1443 luaV_type(lua_State *L) |
| 2330 | 1444 { |
| 3450 | 1445 luaL_checkany(L, 1); |
| 1446 if (lua_type(L, 1) == LUA_TUSERDATA) /* check vim udata? */ | |
| 1447 { | |
| 1448 lua_settop(L, 1); | |
| 1449 if (lua_getmetatable(L, 1)) | |
| 1450 { | |
| 1451 luaV_getfield(L, LUAVIM_LIST); | |
| 1452 if (lua_rawequal(L, -1, 2)) | |
| 1453 { | |
| 1454 lua_pushstring(L, "list"); | |
| 1455 return 1; | |
| 1456 } | |
| 1457 luaV_getfield(L, LUAVIM_DICT); | |
| 1458 if (lua_rawequal(L, -1, 2)) | |
| 1459 { | |
| 1460 lua_pushstring(L, "dict"); | |
| 1461 return 1; | |
| 1462 } | |
| 1463 luaV_getfield(L, LUAVIM_BUFFER); | |
| 1464 if (lua_rawequal(L, -1, 2)) | |
| 1465 { | |
| 1466 lua_pushstring(L, "buffer"); | |
| 1467 return 1; | |
| 1468 } | |
| 1469 luaV_getfield(L, LUAVIM_WINDOW); | |
| 1470 if (lua_rawequal(L, -1, 2)) | |
| 1471 { | |
| 1472 lua_pushstring(L, "window"); | |
| 1473 return 1; | |
| 1474 } | |
| 1475 } | |
| 1476 } | |
| 1477 lua_pushstring(L, luaL_typename(L, 1)); /* fallback */ | |
|
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1478 return 1; |
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1479 } |
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1480 |
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1481 static const luaL_Reg luaV_module[] = { |
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1482 {"command", luaV_command}, |
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1483 {"eval", luaV_eval}, |
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1484 {"beep", luaV_beep}, |
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1485 {"line", luaV_line}, |
| 3450 | 1486 {"list", luaV_list}, |
| 1487 {"dict", luaV_dict}, | |
|
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1488 {"buffer", luaV_buffer}, |
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1489 {"window", luaV_window}, |
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1490 {"open", luaV_open}, |
| 3450 | 1491 {"type", luaV_type}, |
|
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1492 {NULL, NULL} |
|
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1493 }; |
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|
1494 |
| 3450 | 1495 /* for freeing list, dict, buffer and window objects; lightuserdata as arg */ |
| 1496 static int | |
| 1497 luaV_free(lua_State *L) | |
| 1498 { | |
| 1499 lua_pushnil(L); | |
| 1500 luaV_setudata(L, lua_touserdata(L, 1)); | |
| 1501 return 0; | |
| 1502 } | |
| 1503 | |
| 1504 static int | |
| 1505 luaV_luaeval (lua_State *L) | |
| 1506 { | |
| 1507 luaL_Buffer b; | |
| 1508 size_t l; | |
| 1509 const char *str = lua_tolstring(L, 1, &l); | |
| 1510 typval_T *arg = (typval_T *) lua_touserdata(L, 2); | |
| 1511 typval_T *rettv = (typval_T *) lua_touserdata(L, 3); | |
| 1512 luaL_buffinit(L, &b); | |
| 1513 luaL_addlstring(&b, LUAVIM_EVALHEADER, sizeof(LUAVIM_EVALHEADER) - 1); | |
| 1514 luaL_addlstring(&b, str, l); | |
| 1515 luaL_pushresult(&b); | |
| 1516 str = lua_tolstring(L, -1, &l); | |
| 1517 if (luaL_loadbuffer(L, str, l, LUAVIM_EVALNAME)) /* compile error? */ | |
| 1518 { | |
| 1519 luaV_emsg(L); | |
| 1520 return 0; | |
| 1521 } | |
| 1522 luaV_pushtypval(L, arg); | |
| 1523 if (lua_pcall(L, 1, 1, 0)) /* running error? */ | |
| 1524 { | |
| 1525 luaV_emsg(L); | |
| 1526 return 0; | |
| 1527 } | |
| 1528 luaV_totypval(L, -1, rettv); | |
| 1529 return 0; | |
| 1530 } | |
| 1531 | |
| 1532 static int | |
| 1533 luaV_setref (lua_State *L) | |
| 1534 { | |
| 1535 int copyID = lua_tointeger(L, 1); | |
| 1536 typval_T tv; | |
| 1537 luaV_getfield(L, LUAVIM_LIST); | |
| 1538 luaV_getfield(L, LUAVIM_DICT); | |
| 1539 lua_pushnil(L); | |
| 1540 while (lua_next(L, lua_upvalueindex(1)) != 0) /* traverse cache table */ | |
| 1541 { | |
| 1542 lua_getmetatable(L, -1); | |
| 1543 if (lua_rawequal(L, -1, 2)) /* list? */ | |
| 1544 { | |
| 1545 tv.v_type = VAR_LIST; | |
| 1546 tv.vval.v_list = (list_T *) lua_touserdata(L, 4); /* key */ | |
| 1547 } | |
| 1548 else if (lua_rawequal(L, -1, 3)) /* dict? */ | |
| 1549 { | |
| 1550 tv.v_type = VAR_DICT; | |
| 1551 tv.vval.v_dict = (dict_T *) lua_touserdata(L, 4); /* key */ | |
| 1552 } | |
| 1553 lua_pop(L, 2); /* metatable and value */ | |
| 3618 | 1554 set_ref_in_item(&tv, copyID); |
| 3450 | 1555 } |
| 1556 return 0; | |
| 1557 } | |
| 1558 | |
| 2330 | 1559 static int |
| 1560 luaopen_vim(lua_State *L) | |
| 1561 { | |
| 3450 | 1562 /* set cache table */ |
|
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1563 lua_newtable(L); |
|
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|
1564 lua_newtable(L); |
| 3450 | 1565 lua_pushstring(L, "v"); |
|
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|
1566 lua_setfield(L, -2, "__mode"); |
| 3450 | 1567 lua_setmetatable(L, -2); /* cache is weak-valued */ |
|
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|
1568 /* print */ |
|
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|
1569 lua_pushcfunction(L, luaV_print); |
|
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|
1570 lua_setglobal(L, "print"); |
| 3091 | 1571 /* debug.debug */ |
| 1572 lua_getglobal(L, "debug"); | |
| 1573 lua_pushcfunction(L, luaV_debug); | |
| 1574 lua_setfield(L, -2, "debug"); | |
| 1575 lua_pop(L, 1); | |
|
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1576 /* free */ |
|
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|
1577 lua_pushlightuserdata(L, (void *) LUAVIM_FREE); |
| 3450 | 1578 lua_pushvalue(L, 1); /* cache table */ |
| 1579 lua_pushcclosure(L, luaV_free, 1); | |
| 1580 lua_rawset(L, LUA_REGISTRYINDEX); | |
| 1581 /* luaeval */ | |
| 1582 lua_pushlightuserdata(L, (void *) LUAVIM_LUAEVAL); | |
| 1583 lua_pushvalue(L, 1); /* cache table */ | |
| 1584 lua_pushcclosure(L, luaV_luaeval, 1); | |
| 1585 lua_rawset(L, LUA_REGISTRYINDEX); | |
| 1586 /* setref */ | |
| 1587 lua_pushlightuserdata(L, (void *) LUAVIM_SETREF); | |
| 1588 lua_pushvalue(L, 1); /* cache table */ | |
| 1589 lua_pushcclosure(L, luaV_setref, 1); | |
|
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|
1590 lua_rawset(L, LUA_REGISTRYINDEX); |
|
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|
1591 /* register */ |
| 3450 | 1592 luaV_newmetatable(L, LUAVIM_LIST); |
| 1593 lua_pushvalue(L, 1); | |
| 1594 luaV_openlib(L, luaV_List_mt, 1); | |
| 1595 luaV_newmetatable(L, LUAVIM_DICT); | |
| 1596 lua_pushvalue(L, 1); | |
| 1597 luaV_openlib(L, luaV_Dict_mt, 1); | |
|
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|
1598 luaV_newmetatable(L, LUAVIM_BUFFER); |
| 3450 | 1599 lua_pushvalue(L, 1); /* cache table */ |
| 1600 luaV_openlib(L, luaV_Buffer_mt, 1); | |
|
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|
1601 luaV_newmetatable(L, LUAVIM_WINDOW); |
| 3450 | 1602 lua_pushvalue(L, 1); /* cache table */ |
| 1603 luaV_openlib(L, luaV_Window_mt, 1); | |
| 1604 lua_newtable(L); /* vim table */ | |
| 1605 lua_pushvalue(L, 1); /* cache table */ | |
| 1606 luaV_openlib(L, luaV_module, 1); | |
| 1607 lua_setglobal(L, LUAVIM_NAME); | |
|
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|
1608 return 0; |
|
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Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
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|
1609 } |
|
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Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
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|
1610 |
| 2330 | 1611 static lua_State * |
| 1612 luaV_newstate(void) | |
| 1613 { | |
|
2320
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Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
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|
1614 lua_State *L = luaL_newstate(); |
|
2431
7b764999f9b9
Update for Lua interface. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
2373
diff
changeset
|
1615 luaL_openlibs(L); /* core libs */ |
|
7b764999f9b9
Update for Lua interface. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
2373
diff
changeset
|
1616 lua_pushcfunction(L, luaopen_vim); /* vim */ |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
1617 lua_call(L, 0, 0); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
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|
1618 return L; |
|
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Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
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|
1619 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
1620 |
| 2330 | 1621 static void |
| 1622 luaV_setrange(lua_State *L, int line1, int line2) | |
| 1623 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
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|
1624 lua_getglobal(L, LUAVIM_NAME); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
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|
1625 lua_pushinteger(L, line1); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1626 lua_setfield(L, -2, "firstline"); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1627 lua_pushinteger(L, line2); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1628 lua_setfield(L, -2, "lastline"); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1629 lua_pop(L, 1); /* vim table */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
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|
1630 } |
|
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Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
1631 |
|
966a5609669e
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diff
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|
1632 |
|
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Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
1633 /* ======= Interface ======= */ |
|
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Added Lua interfae. (Luis Carvalho)
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parents:
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|
1634 |
|
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Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
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diff
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|
1635 static lua_State *L = NULL; |
|
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Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
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|
1636 |
| 2330 | 1637 static int |
| 3450 | 1638 lua_isopen(void) |
|
2543
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
parents:
2431
diff
changeset
|
1639 { |
|
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
parents:
2431
diff
changeset
|
1640 return L != NULL; |
|
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
parents:
2431
diff
changeset
|
1641 } |
|
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
parents:
2431
diff
changeset
|
1642 |
|
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
parents:
2431
diff
changeset
|
1643 static int |
| 2330 | 1644 lua_init(void) |
| 1645 { | |
| 3450 | 1646 if (!lua_isopen()) |
| 2330 | 1647 { |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1648 #ifdef DYNAMIC_LUA |
| 2330 | 1649 if (!lua_enabled(TRUE)) |
| 1650 { | |
| 1651 EMSG(_("Lua library cannot be loaded.")); | |
| 1652 return FAIL; | |
| 1653 } | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
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|
1654 #endif |
| 2330 | 1655 L = luaV_newstate(); |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
1656 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
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diff
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|
1657 return OK; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
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|
1658 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1659 |
| 2330 | 1660 void |
| 1661 lua_end(void) | |
| 1662 { | |
| 3450 | 1663 if (lua_isopen()) |
| 2330 | 1664 { |
| 1665 lua_close(L); | |
| 1666 L = NULL; | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1667 #ifdef DYNAMIC_LUA |
| 2330 | 1668 end_dynamic_lua(); |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
1669 #endif |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
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|
1670 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1671 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1672 |
|
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Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1673 /* ex commands */ |
| 2330 | 1674 void |
| 1675 ex_lua(exarg_T *eap) | |
| 1676 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
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|
1677 char *script; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
1678 if (lua_init() == FAIL) return; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1679 script = (char *) script_get(eap, eap->arg); |
| 2330 | 1680 if (!eap->skip) |
| 1681 { | |
| 1682 char *s = (script) ? script : (char *) eap->arg; | |
| 1683 luaV_setrange(L, eap->line1, eap->line2); | |
| 1684 if (luaL_loadbuffer(L, s, strlen(s), LUAVIM_CHUNKNAME) | |
| 1685 || lua_pcall(L, 0, 0, 0)) | |
| 1686 luaV_emsg(L); | |
|
2320
966a5609669e
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diff
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|
1687 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1688 if (script != NULL) vim_free(script); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1689 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1690 |
| 2330 | 1691 void |
| 1692 ex_luado(exarg_T *eap) | |
| 1693 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1694 linenr_T l; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1695 const char *s = (const char *) eap->arg; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1696 luaL_Buffer b; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1697 size_t len; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1698 if (lua_init() == FAIL) return; |
| 2330 | 1699 if (u_save(eap->line1 - 1, eap->line2 + 1) == FAIL) |
| 1700 { | |
| 1701 EMSG(_("cannot save undo information")); | |
| 1702 return; | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
1703 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1704 luaV_setrange(L, eap->line1, eap->line2); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1705 luaL_buffinit(L, &b); |
| 3459 | 1706 luaL_addlstring(&b, "return function(line, linenr) ", 30); /* header */ |
|
2320
966a5609669e
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parents:
diff
changeset
|
1707 luaL_addlstring(&b, s, strlen(s)); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1708 luaL_addlstring(&b, " end", 4); /* footer */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1709 luaL_pushresult(&b); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1710 s = lua_tolstring(L, -1, &len); |
| 2330 | 1711 if (luaL_loadbuffer(L, s, len, LUAVIM_CHUNKNAME)) |
| 1712 { | |
| 1713 luaV_emsg(L); | |
| 1714 lua_pop(L, 1); /* function body */ | |
| 1715 return; | |
|
2320
966a5609669e
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Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1716 } |
|
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Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1717 lua_call(L, 0, 1); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1718 lua_replace(L, -2); /* function -> body */ |
| 2330 | 1719 for (l = eap->line1; l <= eap->line2; l++) |
| 1720 { | |
| 1721 lua_pushvalue(L, -1); /* function */ | |
| 1722 luaV_pushline(L, curbuf, l); /* current line as arg */ | |
| 3459 | 1723 lua_pushinteger(L, l); /* current line number as arg */ |
| 1724 if (lua_pcall(L, 2, 1, 0)) | |
| 2330 | 1725 { |
| 1726 luaV_emsg(L); | |
| 1727 break; | |
| 1728 } | |
| 1729 if (lua_isstring(L, -1)) /* update line? */ | |
| 1730 { | |
|
2320
966a5609669e
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Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1731 #ifdef HAVE_SANDBOX |
| 2330 | 1732 luaV_checksandbox(L); |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1733 #endif |
| 2330 | 1734 ml_replace(l, luaV_toline(L, -1), TRUE); |
| 1735 changed_bytes(l, 0); | |
| 1736 lua_pop(L, 1); /* result from luaV_toline */ | |
| 1737 } | |
| 1738 lua_pop(L, 1); /* line */ | |
|
2320
966a5609669e
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|
1739 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1740 lua_pop(L, 1); /* function */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1741 check_cursor(); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1742 update_screen(NOT_VALID); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
1743 } |
|
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parents:
diff
changeset
|
1744 |
| 2330 | 1745 void |
| 1746 ex_luafile(exarg_T *eap) | |
| 1747 { | |
| 1748 if (lua_init() == FAIL) | |
| 1749 return; | |
| 1750 if (!eap->skip) | |
| 1751 { | |
| 1752 luaV_setrange(L, eap->line1, eap->line2); | |
| 1753 if (luaL_loadfile(L, (char *) eap->arg) || lua_pcall(L, 0, 0, 0)) | |
| 1754 luaV_emsg(L); | |
|
2320
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parents:
diff
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|
1755 } |
|
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parents:
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changeset
|
1756 } |
|
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Bram Moolenaar <bram@vim.org>
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diff
changeset
|
1757 |
| 3450 | 1758 #define luaV_freetype(typ,tname) \ |
| 1759 void \ | |
| 1760 lua_##tname##_free(typ *o) \ | |
| 1761 { \ | |
| 1762 if (!lua_isopen()) return; \ | |
| 1763 luaV_getfield(L, LUAVIM_FREE); \ | |
| 1764 lua_pushlightuserdata(L, (void *) o); \ | |
| 1765 lua_call(L, 1, 0); \ | |
| 1766 } | |
| 1767 | |
| 1768 luaV_freetype(buf_T, buffer) | |
| 1769 luaV_freetype(win_T, window) | |
| 1770 | |
| 2330 | 1771 void |
| 3450 | 1772 do_luaeval (char_u *str, typval_T *arg, typval_T *rettv) |
| 2330 | 1773 { |
| 3450 | 1774 lua_init(); |
| 1775 luaV_getfield(L, LUAVIM_LUAEVAL); | |
| 1776 lua_pushstring(L, (char *) str); | |
| 1777 lua_pushlightuserdata(L, (void *) arg); | |
| 1778 lua_pushlightuserdata(L, (void *) rettv); | |
| 1779 lua_call(L, 3, 0); | |
|
2320
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diff
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|
1780 } |
|
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parents:
diff
changeset
|
1781 |
| 2330 | 1782 void |
| 3450 | 1783 set_ref_in_lua (int copyID) |
| 2330 | 1784 { |
| 3450 | 1785 if (!lua_isopen()) return; |
| 1786 luaV_getfield(L, LUAVIM_SETREF); | |
| 1787 lua_pushinteger(L, copyID); | |
|
2320
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diff
changeset
|
1788 lua_call(L, 1, 0); |
|
966a5609669e
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parents:
diff
changeset
|
1789 } |
|
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parents:
diff
changeset
|
1790 |
|
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diff
changeset
|
1791 #endif |