99 lines
2.5 KiB
C++
99 lines
2.5 KiB
C++
/*
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* This file is part of the Colobot: Gold Edition source code
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* Copyright (C) 2001-2020, 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/CBotLeftExprVar.h"
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#include "CBot/CBotStack.h"
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#include "CBot/CBotCStack.h"
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#include "CBot/CBotVar/CBotVar.h"
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#include <cassert>
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#include <sstream>
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namespace CBot
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{
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CBotLeftExprVar::CBotLeftExprVar()
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{
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}
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CBotLeftExprVar::~CBotLeftExprVar()
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{
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}
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CBotInstr* CBotLeftExprVar::Compile(CBotToken* &p, CBotCStack* pStack)
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{
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// Verifies that the token is a variable name
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if (p->GetType() != TokenTypVar)
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{
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pStack->SetError(CBotErrNoVar, p);
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return nullptr;
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}
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CBotLeftExprVar* inst = new CBotLeftExprVar();
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inst->SetToken(p);
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p = p->GetNext();
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return inst;
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}
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bool CBotLeftExprVar::Execute(CBotStack* &pj)
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{
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// Create the variable
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CBotVar* var1 = CBotVar::Create(m_token.GetString(), m_typevar);
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var1->SetUniqNum(m_nIdent);
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pj->AddVar(var1);
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CBotVar* var2 = pj->GetVar(); // Initial value on the stack
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if (var2 != nullptr)
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{
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if (m_typevar.Eq(CBotTypString) && var2->GetType() != CBotTypString)
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{
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var2->Update(pj->GetUserPtr());
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var1->SetValString(var2->GetValString());
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return true;
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}
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var1->SetVal(var2); // Set the value
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}
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return true;
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}
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void CBotLeftExprVar::RestoreState(CBotStack* &pj, bool bMain)
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{
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CBotVar* var1;
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var1 = pj->FindVar(m_token.GetString());
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if (var1 == nullptr) assert(false);
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var1->SetUniqNum(m_nIdent); // Restore the identifier
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}
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std::string CBotLeftExprVar::GetDebugData()
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{
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std::stringstream ss;
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ss << m_token.GetString() << std::endl;
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//ss << "VarID = " << m_nIdent << std::endl;
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ss << "type = " << m_typevar.ToString();
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return ss.str();
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}
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} // namespace CBot
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