@Override
public String visit(ILet e) throws IVisitor.VisitorException {
// Simplify does not have let
// We can create a new temp variable (or function of any quantified parameters)
// and then use that.
for (IBinding b : e.bindings()) {
String r = b.expr().accept(this);
ISort s = typemap.get(b.expr());
// FIXME - don't use toString - also need to map to a unique new temporary
r = (s.isBool() ? "(IFF " : "(EQ ") + b.parameter().accept(this) + " " + r + " )";
conjuncts.add(r);
}
return e.expr().accept(this);
// throw new VisitorException("Use of let is not yet implemented in the Simplify
// adapter",e.pos()); // FIXME - let in Simplify
}
@Override
public IAttribute setDefault(String defaultValue) {
IBinding parent = attachedBinding;
if (parent != null) {
parent.getSemaphore().lock();
}
try {
if (parent != null) {
parent.validateMutability();
}
return this; // default value cannot be setfor this implementation of IAttribute; simple
// ignore it
} finally {
if (parent != null) {
parent.getSemaphore().unlock();
}
}
}
@Override
public String visit(IBinding e) throws IVisitor.VisitorException {
// StringBuilder sb = new StringBuilder();
// sb.append(e.parameter().accept(this));
// return sb.toString();
throw new VisitorException(
"Use of bindings is not yet implemented in the Simplify adapter",
e.pos()); // FIXME - let in Simplify
}
/**
* Creates a list mapper that corresponding to the facilities of the specified type.
*
* <p>The mapper is chosen according to the following priorities:
*
* <ul>
* <li>annotated field
* <li>via genmodel label field - requires additional generation of information
* <li>by field name: label, name, fullName
* <li>by field type: String
* <li>{@link #toString()}
* </ul>
*
* @param binding the binding to map
* @param ec the class to create the mapper for
* @return the mapper
*/
public static IClassIdentiferMapper createClassIdentiferMapper(IBinding binding, EClass ec) {
EStructuralFeature feature;
/*
* Any constant string is used first of all...
*
* TODO: Problem: if text is specified, icon and other arguments are ignored!
*/
final String constantText = binding.getArgument(Constants.ARG_TEXT, String.class, null);
if (constantText != null)
return new IClassIdentiferMapper() {
@Override
public Object map(Object value) {
return constantText;
}
@Override
public IObservableValue getObservableValue(
IObservableValue value, EditingDomain editingDomain) {
return value;
}
};
// Via Annotation
final String featureNames = binding.getArgument(Constants.ARG_FEATURE_NAME, String.class, null);
if (featureNames != null) {
// Pattern.compile("(\\p{L}+)")
final StringTokenizer st = new StringTokenizer(featureNames, ".");
EClassifier c = ec;
final List<EStructuralFeature> sfs = new ArrayList<EStructuralFeature>();
while (st.hasMoreTokens()) {
final String name = st.nextToken();
binding.assertTrue(c instanceof EClass, "Intermidiate features must be references");
final EClass eClass = (EClass) c;
feature = eClass.getEStructuralFeature(name);
binding.assertTrue(
feature != null,
"Unknown feature: '"
+ eClass.getName()
+ "."
+ name
+ "' in argument "
+ Constants.ARG_FEATURE_NAME
+ " ("
+ featureNames
+ ")");
sfs.add(feature);
c = feature.getEType();
}
switch (sfs.size()) {
case 0:
LogUtils.error(
binding,
"Feature names '" + featureNames + "' does not exist. Ignored.",
binding.getCreationPoint());
break;
case 1:
return new SingleFeatureMapper(sfs.get(0));
default:
return new MultipleFeatureMapper(sfs.toArray(new EStructuralFeature[sfs.size()]));
}
}
// By Field Name
feature = ec.getEStructuralFeature("label");
if (feature != null) return new SingleFeatureMapper(feature);
feature = ec.getEStructuralFeature("name");
if (feature != null) return new SingleFeatureMapper(feature);
feature = ec.getEStructuralFeature("fullName");
if (feature != null) return new SingleFeatureMapper(feature);
// By Field Type
for (final EAttribute a : ec.getEAllAttributes()) {
if (a.getEType() == EcorePackage.Literals.ESTRING) return new SingleFeatureMapper(a);
}
// Fall back on toString()....
return DEFAULT_MAPPER;
}
public boolean isEqualTo(IBinding binding) {
if (binding.isRecovered() && binding.getKind() == IBinding.VARIABLE) {
return this.getKey().equals(binding.getKey());
}
return false;
}