@Override
public PExp caseAUnionPattern(AUnionPattern pattern) throws AnalysisException {
LexToken op = new LexKeywordToken(VDMToken.UNION, pattern.getLocation());
return AstFactory.newASetUnionBinaryExp(
af.createPPatternAssistant().getMatchingExpression(pattern.getLeft()),
op,
af.createPPatternAssistant().getMatchingExpression(pattern.getRight()));
}
@Override
public PExp caseAConcatenationPattern(AConcatenationPattern pattern) throws AnalysisException {
LexToken op = new LexKeywordToken(VDMToken.CONCATENATE, pattern.getLocation());
PExp le = af.createPPatternAssistant().getMatchingExpression(pattern.getLeft());
PExp re = af.createPPatternAssistant().getMatchingExpression(pattern.getRight());
return AstFactory.newASeqConcatBinaryExp(le, op, re);
}
@Override
public PExp caseAObjectPattern(AObjectPattern pattern) throws AnalysisException {
List<PExp> list = new LinkedList<PExp>();
for (ANamePatternPair npp : pattern.getFields()) {
list.add(af.createPPatternAssistant().getMatchingExpression(npp.getPattern()));
}
ILexNameToken tpName = pattern.getClassname();
return AstFactory.newANewExp(pattern.getLocation(), tpName, list);
}
@Override
public PExp caseARecordPattern(ARecordPattern pattern) throws AnalysisException {
List<PExp> list = new LinkedList<PExp>();
for (PPattern p : pattern.getPlist()) {
list.add(af.createPPatternAssistant().getMatchingExpression(p));
}
ILexNameToken tpName = pattern.getTypename();
return AstFactory.newAMkTypeExp(tpName.clone(), list);
}
