/*
* #%~
* VDM Code Generator
* %%
* Copyright (C) 2008 - 2014 Overture
* %%
* 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://www.gnu.org/licenses/gpl-3.0.html>.
* #~%
*/
package org.overture.codegen.trans.quantifier;
import java.util.List;
import org.overture.codegen.ir.ITempVarGen;
import org.overture.codegen.ir.SExpIR;
import org.overture.codegen.ir.SPatternIR;
import org.overture.codegen.ir.SStmIR;
import org.overture.codegen.ir.analysis.AnalysisException;
import org.overture.codegen.ir.declarations.AVarDeclIR;
import org.overture.codegen.ir.expressions.AIdentifierVarExpIR;
import org.overture.codegen.trans.IterationVarPrefixes;
import org.overture.codegen.trans.assistants.TransAssistantIR;
import org.overture.codegen.trans.iterator.ILanguageIterator;
public class OrdinaryQuantifierStrategy extends QuantifierBaseStrategy
{
protected OrdinaryQuantifier quantifier;
public OrdinaryQuantifierStrategy(TransAssistantIR transformationAssistant,
SExpIR predicate, String resultVarName,
OrdinaryQuantifier quantifier, ILanguageIterator langIterator,
ITempVarGen tempGen, IterationVarPrefixes iteVarPrefixes)
{
super(transformationAssistant, predicate, resultVarName, langIterator, tempGen, iteVarPrefixes);
this.quantifier = quantifier;
}
@Override
public List<AVarDeclIR> getOuterBlockDecls(AIdentifierVarExpIR setVar,
List<SPatternIR> patterns) throws AnalysisException
{
return firstBind
? packDecl(transAssist.consBoolVarDecl(resultVarName, quantifier == OrdinaryQuantifier.FORALL))
: null;
}
@Override
public SExpIR getForLoopCond(AIdentifierVarExpIR setVar,
List<SPatternIR> patterns, SPatternIR pattern)
throws AnalysisException
{
SExpIR left = langIterator.getForLoopCond(setVar, patterns, pattern);
SExpIR right = transAssist.consBoolCheck(resultVarName, quantifier == OrdinaryQuantifier.EXISTS);
return transAssist.consAndExp(left, right);
}
@Override
public List<SStmIR> getForLoopStms(AIdentifierVarExpIR setVar,
List<SPatternIR> patterns, SPatternIR pattern)
{
return lastBind
? packStm(transAssist.consBoolVarAssignment(predicate, resultVarName))
: null;
}
}