101 lines
3.1 KiB
C++
101 lines
3.1 KiB
C++
/*
|
|
* This file is part of the Colobot: Gold Edition source code
|
|
* Copyright (C) 2001-2018, 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/CBotBreak.h"
|
|
|
|
#include "CBot/CBotStack.h"
|
|
#include "CBot/CBotCStack.h"
|
|
|
|
namespace CBot
|
|
{
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
CBotBreak::CBotBreak()
|
|
{
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
CBotBreak::~CBotBreak()
|
|
{
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
CBotInstr* CBotBreak::Compile(CBotToken* &p, CBotCStack* pStack)
|
|
{
|
|
CBotToken* pp = p; // preserves at the ^ token (starting position)
|
|
int type = p->GetType();
|
|
|
|
if (!IsOfType(p, ID_BREAK, ID_CONTINUE)) return nullptr; // should never happen
|
|
|
|
if ( !ChkLvl(std::string(), type ) )
|
|
{
|
|
pStack->SetError(CBotErrBreakOutside, pp);
|
|
return nullptr; // no object, the error is on the stack
|
|
}
|
|
|
|
CBotBreak* inst = new CBotBreak(); // creates the object
|
|
inst->SetToken(pp); // keeps the operation
|
|
|
|
pp = p;
|
|
if ( IsOfType( p, TokenTypVar ) )
|
|
{
|
|
inst->m_label = pp->GetString(); // register the name of label
|
|
if ( !ChkLvl(inst->m_label, type ) )
|
|
{
|
|
delete inst;
|
|
pStack->SetError(CBotErrUndefLabel, pp);
|
|
return nullptr; // no object, the error is on the stack
|
|
}
|
|
}
|
|
|
|
if (IsOfType(p, ID_SEP))
|
|
{
|
|
return inst; // return what it wants
|
|
}
|
|
delete inst;
|
|
|
|
pStack->SetError(CBotErrNoTerminator, p->GetStart());
|
|
return nullptr; // no object, the error is on the stack
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
bool CBotBreak :: Execute(CBotStack* &pj)
|
|
{
|
|
CBotStack* pile = pj->AddStack(this);
|
|
// if ( pile == EOX ) return true;
|
|
|
|
if ( pile->IfStep() ) return false;
|
|
|
|
pile->SetBreak(m_token.GetType()==ID_BREAK ? 1 : 2, m_label);
|
|
return pj->Return(pile);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
void CBotBreak :: RestoreState(CBotStack* &pj, bool bMain)
|
|
{
|
|
if ( bMain ) pj->RestoreStack(this);
|
|
}
|
|
|
|
std::string CBotBreak::GetDebugData()
|
|
{
|
|
return !m_label.empty() ? "m_label = "+m_label : "";
|
|
}
|
|
|
|
} // namespace CBot
|