3 Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
34 LuaError::LuaError(lua_State *L, const std::string &s)
38 lua_getfield(L, LUA_GLOBALSINDEX, "debug");
39 if(lua_istable(L, -1)){
40 lua_getfield(L, -1, "traceback");
41 if(lua_isfunction(L, -1)){
43 if(lua_isstring(L, -1)){
44 m_s += lua_tostring(L, -1);
55 void script_error(lua_State *L, const char *fmt, ...)
60 vsnprintf(buf, 10000, fmt, argp);
62 //errorstream<<"SCRIPT ERROR: "<<buf;
63 throw LuaError(L, buf);
66 int luaErrorHandler(lua_State *L) {
67 lua_getfield(L, LUA_GLOBALSINDEX, "debug");
68 if (!lua_istable(L, -1)) {
72 lua_getfield(L, -1, "traceback");
73 if (!lua_isfunction(L, -1)) {
78 lua_pushinteger(L, 2);
83 bool script_load(lua_State *L, const char *path)
85 infostream<<"Loading and running script from "<<path<<std::endl;
87 lua_pushcfunction(L, luaErrorHandler);
88 int errorhandler = lua_gettop(L);
90 int ret = luaL_loadfile(L, path) || lua_pcall(L, 0, 0, errorhandler);
92 errorstream<<"Failed to load and run script from "<<path<<":"<<std::endl;
93 errorstream<<"[LUA] "<<std::endl;
94 errorstream<<"[LUA] "<<lua_tostring(L, -1)<<std::endl;
95 errorstream<<"[LUA] "<<std::endl;
96 lua_pop(L, 1); // Pop error message from stack
102 lua_State* script_init()
104 lua_State *L = luaL_newstate();
109 void script_deinit(lua_State *L)