colobot/src/CBot/CBotInstr/CBotExpression.h

88 lines
1.9 KiB
C++

/*
* This file is part of the Colobot: Gold Edition source code
* Copyright (C) 2001-2015, Daniel Roux, EPSITEC SA & TerranovaTeam
* http://epsitec.ch; http://colobot.info; http://github.com/colobot
*
* This program 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.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://gnu.org/licenses
*/
#pragma once
// Modules inlcude
#include "CBot/CBotInstr/CBotLeftExpr.h"
#include "CBot/CBotInstr/CBotInstr.h"
// Local include
// Global include
/*!
* \brief The CBotExpression class Compiles a statement with or without
* assignment.
* eg :
* - x = a;
* - x * y + 3;
* - x = 123
* - z * 5 + 4
*/
// compiles a statement such as " " ou " z * 5 + 4 "
//
class CBotExpression : public CBotInstr
{
public:
/*!
* \brief CBotExpression
*/
CBotExpression();
/*!
* \brief ~CBotExpression
*/
~CBotExpression();
/*!
* \brief Compile
* \param p
* \param pStack
* \return
*/
static CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack);
/*!
* \brief Execute Executes an expression with assignment.
* \param pStack
* \return
*/
bool Execute(CBotStack* &pStack) override;
/*!
* \brief RestoreState
* \param pj
* \param bMain
*/
void RestoreState(CBotStack* &pj, bool bMain) override;
private:
//! Left operand
CBotLeftExpr* m_leftop;
//! Right operand
CBotInstr* m_rightop;
};