@Override protected SExpIR getEmptyCollection() { return new AEnumSetExpIR(); }
/** * Returns a deep clone of this {@link AEnumSetExpIR} node. * @return a deep clone of this {@link AEnumSetExpIR} node */ public AEnumSetExpIR clone() { return new AEnumSetExpIR( _sourceNode, _tag, _metaData, cloneNode(_type), cloneList(_members) ); }
/** * Creates a deep clone of this {@link AEnumSetExpIR} node while putting all * old node-new node relations in the map {@code oldToNewMap}. * @param oldToNewMap the map filled with the old node-new node relation * @return a deep clone of this {@link AEnumSetExpIR} node */ public AEnumSetExpIR clone(Map<INode,INode> oldToNewMap) { AEnumSetExpIR node = new AEnumSetExpIR( _sourceNode, _tag, _metaData, cloneNode(_type, oldToNewMap), cloneList(_members, oldToNewMap) ); oldToNewMap.put(this, node); return node; }
@Override public SExpIR caseASetEnumSetExp(ASetEnumSetExp node, IRInfo question) throws AnalysisException { PType type = node.getType(); if (!(type instanceof SSetType)) { log.error("Unexpected set type for set enumeration expression: " + type.getClass().getName() + " at " + node.getLocation()); } LinkedList<PExp> members = node.getMembers(); AEnumSetExpIR enumSet = new AEnumSetExpIR(); STypeIR typeCg = type.apply(question.getTypeVisitor(), question); enumSet.setType(typeCg); LinkedList<SExpIR> membersCg = enumSet.getMembers(); for (PExp member : members) { SExpIR memberCg = member.apply(question.getExpVisitor(), question); if (memberCg != null) { membersCg.add(memberCg); } else { return null; } } return enumSet; }
@Override public void caseACompSetExpIR(ACompSetExpIR node) throws AnalysisException { SStmIR enclosingStm = transAssistant.getEnclosingStm(node, "set comprehension"); SExpIR first = node.getFirst(); SExpIR predicate = node.getPredicate(); STypeIR type = node.getType(); ITempVarGen tempVarNameGen = transAssistant.getInfo().getTempVarNameGen(); String var = tempVarNameGen.nextVarName(prefixes.setComp()); ComplexCompStrategy strategy = consSetCompStrategy(first, predicate, type, tempVarNameGen, var); List<SMultipleBindIR> bindings = filterBindList(node, node.getBindings()); ABlockStmIR block = transAssistant.consComplexCompIterationBlock(bindings, tempVarNameGen, strategy, iteVarPrefixes); if (block.getStatements().isEmpty()) { // In case the block has no statements the result of the set comprehension is the empty set AEnumSetExpIR emptySet = new AEnumSetExpIR(); emptySet.setType(type.clone()); // Replace the set comprehension with the empty set transAssistant.replaceNodeWith(node, emptySet); } else { replaceCompWithTransformation(enclosingStm, block, type, var, node); } block.apply(this); }