colobot/src/CBot/CBotInstr/CBotExprLitNum.cpp

128 lines
3.4 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/CBotExprLitNum.h"
#include "CBot/CBotStack.h"
#include "CBot/CBotCStack.h"
#include "CBot/CBotVar/CBotVar.h"
#include "CBot/CBotUtils.h"
#include <sstream>
namespace CBot
{
////////////////////////////////////////////////////////////////////////////////
CBotExprLitNum::CBotExprLitNum()
{
}
////////////////////////////////////////////////////////////////////////////////
CBotExprLitNum::~CBotExprLitNum()
{
}
////////////////////////////////////////////////////////////////////////////////
CBotInstr* CBotExprLitNum::Compile(CBotToken* &p, CBotCStack* pStack)
{
CBotCStack* pStk = pStack->TokenStack();
CBotExprLitNum* inst = new CBotExprLitNum();
inst->SetToken(p);
std::string s = p->GetString();
inst->m_numtype = CBotTypInt;
if (p->GetType() == TokenTypDef)
{
inst->m_valint = p->GetKeywordId();
}
else
{
if (s.find('.') != std::string::npos || ( s.find('x') == std::string::npos && ( s.find_first_of("eE") != std::string::npos ) ))
{
inst->m_numtype = CBotTypFloat;
inst->m_valfloat = GetNumFloat(s);
}
else
{
inst->m_valint = GetNumInt(s);
}
}
if (pStk->NextToken(p))
{
CBotVar* var = CBotVar::Create("", inst->m_numtype);
pStk->SetVar(var);
return pStack->Return(inst, pStk);
}
delete inst;
return pStack->Return(nullptr, pStk);
}
////////////////////////////////////////////////////////////////////////////////
bool CBotExprLitNum::Execute(CBotStack* &pj)
{
CBotStack* pile = pj->AddStack(this);
if (pile->IfStep()) return false;
CBotVar* var = CBotVar::Create("", m_numtype);
std::string nombre ;
if (m_token.GetType() == TokenTypDef)
{
nombre = m_token.GetString();
}
switch (m_numtype)
{
case CBotTypShort:
case CBotTypInt:
var->SetValInt(m_valint, nombre);
break;
case CBotTypFloat:
var->SetValFloat(m_valfloat);
break;
default:
assert(false);
}
pile->SetVar(var); // place on the stack
return pj->Return(pile); // it's ok
}
////////////////////////////////////////////////////////////////////////////////
void CBotExprLitNum::RestoreState(CBotStack* &pj, bool bMain)
{
if (bMain) pj->RestoreStack(this);
}
std::string CBotExprLitNum::GetDebugData()
{
std::stringstream ss;
ss << "(" << (m_numtype == CBotTypFloat ? "float" : "int") << ") " << (m_numtype == CBotTypFloat ? m_valfloat : m_valint);
return ss.str();
}
} // namespace CBot