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/*
* Smart Auto Replier (SAR) - auto replier plugin for Miranda IM
*
* Copyright (C) 2004 - 2012 by Volodymyr M. Shcherbyna <volodymyr@shcherbyna.com>
*
* This code is inspired by article of RichardS at http://www.codeproject.com/Articles/11508/Integrating-Lua-into-C
*
* This file is part of SAR.
*
* SAR is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* SAR 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with SAR. If not, see <http://www.gnu.org/licenses/>.
*/
#include "stdafx.h"
#include "LuaBridge.h"
CLuaBridge::CLuaBridge(void) : m_pLuaContext(NULL)
{
m_pLuaContext = lua_open();
if (m_pLuaContext != NULL)
{
lua_pushcclosure(m_pLuaContext, LuaDebugMessage, 0);
lua_setglobal(m_pLuaContext, "trace");
lua_atpanic(m_pLuaContext, (lua_CFunction)HandleLuaAsssert);
luaopen_io(m_pLuaContext);
luaopen_math(m_pLuaContext);
luaopen_base(m_pLuaContext);
luaopen_loadlib(m_pLuaContext);
luaopen_table(m_pLuaContext);
luaopen_string(m_pLuaContext);
luaopen_debug(m_pLuaContext);
}
}
CLuaBridge::~CLuaBridge(void)
{
if (m_pLuaContext != NULL)
{
lua_close(m_pLuaContext);
}
}
int CLuaBridge::LuaDebugMessage(lua_State *pContext)
{
const char *szFunction = NULL;
const char *szMessage = NULL;
lua_Debug LuaDebug = {0};
int n = lua_tonumber(pContext, 1);
szMessage = lua_tostring(pContext, 1);
if (szMessage == NULL)
{
return FALSE;
}
lua_getstack(pContext, 1, &LuaDebug);
lua_getinfo (pContext, "Snl", &LuaDebug);
szFunction = LuaDebug.source;
if (szFunction == NULL)
{
return FALSE;
}
OutputDebugStringA("Smart Auto Replier : ");
OutputDebugStringA("(");
OutputDebugStringA(szFunction);
OutputDebugStringA("): ");
OutputDebugStringA(szMessage);
OutputDebugStringA("\r\n");
return TRUE;
}
void CLuaBridge::HandleLuaAsssert(lua_State * pContext)
{
DebugBreak();
}
bool CLuaBridge::RunScript(const char *szScript, size_t nLength, const char *szFuncName)
{
bool bRetVal = false;
if (szFuncName == NULL)
{
szFuncName = "SarFakeProcedure";
}
if (luaL_loadbuffer(m_pLuaContext, szScript, nLength, szFuncName) == 0)
{
bRetVal = (lua_pcall(m_pLuaContext, 0, LUA_MULTRET, 0) == 0);
}
return bRetVal;
}
bool CLuaBridge::ExecuteFunction(int nArgs, int nReturns)
{
bool bRetVal = false;
if (lua_isfunction(m_pLuaContext, -nArgs - 1))
{
bRetVal = (lua_pcall(m_pLuaContext, nArgs, nReturns, 0) == FALSE);
}
return bRetVal;
}
CLuaBridge::operator lua_State *()
{
return m_pLuaContext;
}
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