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Diffstat (limited to 'src/script/common/c_types.h')
-rw-r--r-- | src/script/common/c_types.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/script/common/c_types.h b/src/script/common/c_types.h new file mode 100644 index 000000000..7df869432 --- /dev/null +++ b/src/script/common/c_types.h @@ -0,0 +1,90 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef C_TYPES_H_ +#define C_TYPES_H_ + +extern "C" { +#include "lua.h" +} + +#include <iostream> + +struct EnumString +{ + int num; + const char *str; +}; + +class StackUnroller +{ +private: + lua_State *m_lua; + int m_original_top; +public: + StackUnroller(lua_State *L): + m_lua(L), + m_original_top(-1) + { + m_original_top = lua_gettop(m_lua); // store stack height + } + ~StackUnroller() + { + lua_settop(m_lua, m_original_top); // restore stack height + } +}; + +class ModNameStorer +{ +private: + lua_State *L; +public: + ModNameStorer(lua_State *L_, const std::string modname): + L(L_) + { + // Store current modname in registry + lua_pushstring(L, modname.c_str()); + lua_setfield(L, LUA_REGISTRYINDEX, "minetest_current_modname"); + } + ~ModNameStorer() + { + // Clear current modname in registry + lua_pushnil(L); + lua_setfield(L, LUA_REGISTRYINDEX, "minetest_current_modname"); + } +}; + +class LuaError : public std::exception +{ +public: + LuaError(lua_State *L, const std::string &s); + + virtual ~LuaError() throw() + {} + virtual const char * what() const throw() + { + return m_s.c_str(); + } + std::string m_s; +}; + + +extern EnumString es_ItemType[]; + +#endif /* C_TYPES_H_ */ |