luaexception.cpp

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/*
 * Copyright (c) 2010-2020 OTClient <https://github.com/edubart/otclient>
 *
 * 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
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#include "luaexception.h"
#include "luainterface.h"
 
LuaException::LuaException(const std::string& error, int traceLevel)
{
    g_lua.clearStack(); // on every exception, clear lua stack
    generateLuaErrorMessage(error, traceLevel);
}
 
void LuaException::generateLuaErrorMessage(const std::string& error, int traceLevel)
{
    // append trace level to error message
    if(traceLevel >= 0)
        m_what = stdext::format("LUA ERROR: %s", g_lua.traceback(error, traceLevel));
    else
        m_what = stdext::format("LUA ERROR:\n%s", error);
}
 
LuaBadNumberOfArgumentsException::LuaBadNumberOfArgumentsException(int expected, int got)
{
    std::string error = "attempt to call a function with wrong number of arguments";
    if(expected >= 0 && got >= 0)
        error = stdext::format("%s (expected %d, but got %d)", error, expected, got);
    generateLuaErrorMessage(error, 1);
}
 
LuaBadValueCastException::LuaBadValueCastException(const std::string& luaTypeName, const std::string& cppTypeName)
{
    std::string error = stdext::format("attempt to cast a '%s' lua value to '%s'", luaTypeName, cppTypeName);
    generateLuaErrorMessage(error, 0);
}