colobot/src/CBot/CBotInstr/CBotTwoOpExpr.h

97 lines
2.7 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
#include "CBot/CBotInstr/CBotInstr.h"
namespace CBot
{
/**
* \brief Any expression with two operands
*
* Examples:
* \code
* op1 + op2
* op1 > op2
* \endcode
*
* \section Operations Supported operations
*
* This table is sorted by operator precedence
*
* | Operator |
* | -------------------------------------- |
* | ** |
* | *, /, % |
* | +, - |
* | <<, >>, >>> |
* | >, <, >=, <= |
* | ==, != |
* | & |
* | ^ |
* | \| |
* | &&, and |
* | \|\|, or |
* | a ? b : c (special, see CBotLogicExpr) |
*/
class CBotTwoOpExpr : public CBotInstr
{
public:
CBotTwoOpExpr();
~CBotTwoOpExpr();
/*!
* \brief Compiles CBotTwoOpExpr or CBotLogicExpr
* \param p
* \param pStack
* \param pOperations
* \return
*/
static CBotInstr* Compile(CBotToken* &p, CBotCStack* pStack, int* pOperations = nullptr);
/*!
* \brief Execute Performes the operation on two operands.
* \param pStack
* \return
*/
bool Execute(CBotStack* &pStack) override;
/*!
* \brief RestoreState
* \param pj
* \param bMain
*/
void RestoreState(CBotStack* &pj, bool bMain) override;
protected:
virtual const std::string GetDebugName() override { return "CBotTwoOpExpr"; }
virtual std::string GetDebugData() override;
virtual std::map<std::string, CBotInstr*> GetDebugLinks() override;
private:
//! Left element
CBotInstr* m_leftop;
//! Right element
CBotInstr* m_rightop;
};
} // namespace CBot