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Ruta de la carpeta: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\luabind\src\pcall.cpp

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// Copyright (c) 2003 Daniel Wallin and Arvid Norberg

// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
// ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
// SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
// ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.

#include <luabind/detail/pcall.hpp>
#include <luabind/error.hpp>
#include <luabind/lua_include.hpp>

namespace luabind { namespace detail
{
	int pcall(lua_State *L, int nargs, int nresults)
	{
		pcall_callback_fun e = get_pcall_callback();
		int en = 0;
		if ( e )
		{
			int base = lua_gettop(L) - nargs;
			lua_pushcfunction(L, e);
			lua_insert(L, base);  // push pcall_callback under chunk and args
			en = base;
  		}
		int result = lua_pcall(L, nargs, nresults, en);
		if ( en )
			lua_remove(L, en);  // remove pcall_callback
		return result;
	}

	int resume_impl(lua_State *L, int nargs, int)
	{
#if LUA_VERSION_NUM >= 501
		// Lua 5.1 added  LUA_YIELD as a possible return value,
		// this was causing crashes, because the caller expects 0 on success.
		int res = lua_resume(L, nargs);
		return (res == LUA_YIELD) ? 0 : res;
#else
		return lua_resume(L, nargs);
#endif
	}

}}

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