59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
/*
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* This file is part of the Colobot: Gold Edition source code
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* Copyright (C) 2001-2018, Daniel Roux, EPSITEC SA & TerranovaTeam
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* http://epsitec.ch; http://colobot.info; http://github.com/colobot
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see http://gnu.org/licenses
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*/
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#include "CBot/CBotInstr/CBotExprLitNull.h"
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#include "CBot/CBotStack.h"
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#include "CBot/CBotVar/CBotVar.h"
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namespace CBot
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{
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////////////////////////////////////////////////////////////////////////////////
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CBotExprLitNull::CBotExprLitNull()
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{
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}
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////////////////////////////////////////////////////////////////////////////////
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CBotExprLitNull::~CBotExprLitNull()
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{
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}
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////////////////////////////////////////////////////////////////////////////////
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bool CBotExprLitNull::Execute(CBotStack* &pj)
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{
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CBotStack* pile = pj->AddStack(this);
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if (pile->IfStep()) return false;
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CBotVar* var = CBotVar::Create("", CBotTypNullPointer);
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var->SetInit(CBotVar::InitType::DEF); // null pointer valid
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pile->SetVar(var); // place on the stack
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return pj->Return(pile); // forwards below
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}
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////////////////////////////////////////////////////////////////////////////////
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void CBotExprLitNull::RestoreState(CBotStack* &pj, bool bMain)
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{
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if (bMain) pj->RestoreStack(this);
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}
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} // namespace CBot
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