colobot/src/CBot/CBotInstr/CBotExprLitBool.cpp

83 lines
2.5 KiB
C++

/*
* This file is part of the Colobot: Gold Edition source code
* Copyright (C) 2001-2016, 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
*/
#include "CBot/CBotInstr/CBotExprLitBool.h"
#include "CBot/CBotStack.h"
#include "CBot/CBotCStack.h"
#include "CBot/CBotVar/CBotVar.h"
namespace CBot
{
////////////////////////////////////////////////////////////////////////////////
CBotExprLitBool::CBotExprLitBool()
{
}
////////////////////////////////////////////////////////////////////////////////
CBotExprLitBool::~CBotExprLitBool()
{
}
////////////////////////////////////////////////////////////////////////////////
CBotInstr* CBotExprLitBool::Compile(CBotToken* &p, CBotCStack* pStack)
{
CBotCStack* pStk = pStack->TokenStack();
CBotExprLitBool* inst = nullptr;
if ( p->GetType() == ID_TRUE ||
p->GetType() == ID_FALSE )
{
inst = new CBotExprLitBool();
inst->SetToken(p); // stores the operation false or true
p = p->GetNext();
CBotVar* var = CBotVar::Create("", CBotTypBoolean);
pStk->SetVar(var);
}
return pStack->Return(inst, pStk);
}
////////////////////////////////////////////////////////////////////////////////
bool CBotExprLitBool::Execute(CBotStack* &pj)
{
CBotStack* pile = pj->AddStack(this);
if (pile->IfStep()) return false;
CBotVar* var = CBotVar::Create("", CBotTypBoolean);
if (GetTokenType() == ID_TRUE) var->SetValInt(1);
else var->SetValInt(0);
pile->SetVar(var); // put on the stack
return pj->Return(pile); // forwards below
}
////////////////////////////////////////////////////////////////////////////////
void CBotExprLitBool::RestoreState(CBotStack* &pj, bool bMain)
{
if (bMain) pj->RestoreStack(this);
}
} // namespace CBot