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* The Overture Abstract Syntax Tree
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package org.overture.ast.util.pattern;
import org.overture.ast.analysis.AnalysisException;
import org.overture.ast.analysis.AnswerAdaptor;
import org.overture.ast.assistant.IAstAssistantFactory;
import org.overture.ast.lex.LexNameList;
import org.overture.ast.node.INode;
import org.overture.ast.patterns.AConcatenationPattern;
import org.overture.ast.patterns.AIdentifierPattern;
import org.overture.ast.patterns.ANamePatternPair;
import org.overture.ast.patterns.AObjectPattern;
import org.overture.ast.patterns.ARecordPattern;
import org.overture.ast.patterns.ASeqPattern;
import org.overture.ast.patterns.ASetPattern;
import org.overture.ast.patterns.ATuplePattern;
import org.overture.ast.patterns.AUnionPattern;
import org.overture.ast.patterns.PPattern;
/**
* Locates all variable names in a pattern and add them to a list.
*
* @author gkanos
*/
public class AllVariableNameLocator extends AnswerAdaptor<LexNameList>
{
protected static IAstAssistantFactory af;
@SuppressWarnings("static-access")
public AllVariableNameLocator(IAstAssistantFactory af)
{
this.af = af;
}
@Override
public LexNameList caseAConcatenationPattern(AConcatenationPattern pattern)
throws AnalysisException
{
LexNameList list = new LexNameList();
list.addAll(af.createPPatternAssistant().getAllVariableNames(pattern.getLeft()));
list.addAll(af.createPPatternAssistant().getAllVariableNames(pattern.getRight()));
return list;
}
@Override
public LexNameList caseAIdentifierPattern(AIdentifierPattern pattern)
throws AnalysisException
{
LexNameList list = new LexNameList();
list.add(pattern.getName());
return list;
}
@Override
public LexNameList caseARecordPattern(ARecordPattern pattern)
throws AnalysisException
{
LexNameList list = new LexNameList();
for (PPattern p : pattern.getPlist())
{
list.addAll(af.createPPatternAssistant().getAllVariableNames(p));
}
return list;
}
@Override
public LexNameList caseASeqPattern(ASeqPattern pattern)
throws AnalysisException
{
LexNameList list = new LexNameList();
for (PPattern p : pattern.getPlist())
{
list.addAll(af.createPPatternAssistant().getAllVariableNames(p));
}
return list;
}
@Override
public LexNameList caseASetPattern(ASetPattern pattern)
throws AnalysisException
{
LexNameList list = new LexNameList();
for (PPattern p : pattern.getPlist())
{
list.addAll(af.createPPatternAssistant().getAllVariableNames(p));
}
return list;
}
@Override
public LexNameList caseATuplePattern(ATuplePattern pattern)
throws AnalysisException
{
LexNameList list = new LexNameList();
for (PPattern p : pattern.getPlist())
{
list.addAll(af.createPPatternAssistant().getAllVariableNames(p));
}
return list;
}
@Override
public LexNameList caseAUnionPattern(AUnionPattern pattern)
throws AnalysisException
{
LexNameList list = new LexNameList();
list.addAll(af.createPPatternAssistant().getAllVariableNames(pattern.getLeft()));
list.addAll(af.createPPatternAssistant().getAllVariableNames(pattern.getRight()));
return list;
}
@Override
public LexNameList caseAObjectPattern(AObjectPattern pattern)
throws AnalysisException
{
LexNameList list = new LexNameList();
for (ANamePatternPair npp : pattern.getFields())
{
list.addAll(af.createPPatternAssistant().getAllVariableNames(npp.getPattern()));
}
return list;
}
@Override
public LexNameList defaultPPattern(PPattern pattern)
throws AnalysisException
{
return new LexNameList();
}
@Override
public LexNameList createNewReturnValue(INode node)
throws AnalysisException
{
// TODO Auto-generated method stub
return null;
}
@Override
public LexNameList createNewReturnValue(Object node)
throws AnalysisException
{
// TODO Auto-generated method stub
return null;
}
}