public static Declaration getRefinedDeclaration(Declaration declaration) {
// Reproduces the algorithm used to build the type hierarchy
// first walk up the superclass hierarchy
if (declaration.isClassOrInterfaceMember() && declaration.isShared()) {
TypeDeclaration dec = (TypeDeclaration) declaration.getContainer();
List<Type> signature = getSignature(declaration);
Declaration refined = declaration.getRefinedDeclaration();
while (dec != null) {
Type extended = dec.getExtendedType();
if (extended != null) {
TypeDeclaration superDec = extended.getDeclaration();
Declaration superMemberDec =
superDec.getDirectMember(declaration.getName(), signature, false);
if (superMemberDec != null) {
Declaration superRefined = superMemberDec.getRefinedDeclaration();
if (superRefined != null
&& refined != null
&& !isAbstraction(superMemberDec)
&& superRefined.equals(refined)) {
return superMemberDec;
}
}
dec = superDec;
} else {
dec = null;
}
}
// now look at the very top of the hierarchy, even if it is an interface
Declaration refinedDeclaration = refined;
if (refinedDeclaration != null && !declaration.equals(refinedDeclaration)) {
List<Declaration> directlyInheritedMembers =
getInterveningRefinements(
declaration.getName(),
signature,
refinedDeclaration,
(TypeDeclaration) declaration.getContainer(),
(TypeDeclaration) refinedDeclaration.getContainer());
directlyInheritedMembers.remove(refinedDeclaration);
// TODO: do something for the case of
// multiple intervening interfaces?
if (directlyInheritedMembers.size() == 1) {
// exactly one intervening interface
return directlyInheritedMembers.get(0);
} else {
// no intervening interfaces
return refinedDeclaration;
}
}
}
return null;
}
/**
* See #547 - a generic actual method that has different names in its type parameters as the one
* it's refining, can receive the type arguments of the parent instead.
*/
static void addParentMethodTypeParameters(final Function m, final GenerateJsVisitor gen) {
List<TypeParameter> tps = m.getTypeParameters();
if (m.isActual() && tps != null && !tps.isEmpty()) {
// This gives us the root declaration
Function sm = (Function) m.getRefinedDeclaration();
for (int i = 0; i < tps.size(); i++) {
boolean end = false;
end |= copyMissingTypeParameters(m, sm, i, true, gen);
// We still need to find intermediate declarations
if (m.isClassOrInterfaceMember()) {
final Set<Declaration> decs = new HashSet<Declaration>();
decs.add(sm);
decs.add(m);
// This gives us the containing type
TypeDeclaration cont = ModelUtil.getContainingClassOrInterface(m);
for (TypeDeclaration sup : cont.getSupertypeDeclarations()) {
Declaration d = sup.getDirectMember(m.getName(), null, false);
if (d instanceof Function && !decs.contains(d)) {
decs.add(d);
end |= copyMissingTypeParameters(m, (Function) d, i, false, gen);
}
}
for (Type sup : cont.getSatisfiedTypes()) {
Declaration d = sup.getDeclaration().getDirectMember(m.getName(), null, false);
if (d instanceof Function && !decs.contains(d)) {
decs.add(d);
end |= copyMissingTypeParameters(m, (Function) d, i, false, gen);
}
}
}
if (end) {
gen.endLine(true);
}
}
}
}
