Examples with JavaBeanValue com.redhat.ceylon.model.loader.model.JavaBeanValue used on opensource projects

Example 1 with JavaBeanValue

use of com.redhat.ceylon.model.loader.model.JavaBeanValue in project ceylon-compiler by ceylon.

the class ClassTransformer method concreteMembersFromSuperinterfaces.

/**
     * Generates companion fields ($Foo$impl) and methods
     */
private void concreteMembersFromSuperinterfaces(final Class model, ClassDefinitionBuilder classBuilder, Type satisfiedType, Set<Interface> satisfiedInterfaces) {
    satisfiedType = satisfiedType.resolveAliases();
    Interface iface = (Interface) satisfiedType.getDeclaration();
    if (satisfiedInterfaces.contains(iface) || iface.getType().isExactly(typeFact().getIdentifiableDeclaration().getType())) {
        return;
    }
    // then don't instantiate it...
    if (hasImpl(iface)) {
        // ... otherwise for each satisfied interface, 
        // instantiate an instance of the 
        // companion class in the constructor and assign it to a
        // $Interface$impl field
        transformInstantiateCompanions(classBuilder, model, iface, satisfiedType);
    }
    if (!Decl.isCeylon(iface)) {
        // let's not try to implement CMI for Java interfaces
        return;
    }
    // For each super interface
    for (Declaration member : iface.getMembers()) {
        if (member instanceof Class) {
            Class klass = (Class) member;
            final Type typedMember = satisfiedType.getTypeMember(klass, Collections.<Type>emptyList());
            if (Strategy.generateInstantiator(member) && !klass.hasConstructors() && !model.isFormal() && needsCompanionDelegate(model, typedMember) && model.getDirectMember(member.getName(), null, false) == null) {
                // instantiator method implementation
                generateInstantiatorDelegate(classBuilder, satisfiedType, iface, klass, null, model.getType(), !member.isFormal());
            }
            if (klass.hasConstructors()) {
                for (Declaration m : klass.getMembers()) {
                    if (m instanceof Constructor && Strategy.generateInstantiator(m)) {
                        Constructor ctor = (Constructor) m;
                        generateInstantiatorDelegate(classBuilder, satisfiedType, iface, klass, ctor, model.getType(), true);
                    }
                }
            }
        }
        // type aliases are on the $impl class
        if (member instanceof TypeAlias)
            continue;
        if (Strategy.onlyOnCompanion(member)) {
            // (they're just private methods on the $impl)
            continue;
        }
        if (member instanceof Function) {
            Function method = (Function) member;
            final TypedReference typedMember = satisfiedType.getTypedMember(method, Collections.<Type>emptyList());
            Declaration sub = (Declaration) model.getMember(method.getName(), getSignatureIfRequired(typedMember), false, true);
            if (sub instanceof Function) /* && !sub.isAbstraction()*/
            {
                Function subMethod = (Function) sub;
                if (subMethod.getParameterLists().isEmpty()) {
                    continue;
                }
                java.util.List<java.util.List<Type>> producedTypeParameterBounds = producedTypeParameterBounds(typedMember, subMethod);
                //                    final TypedReference refinedTypedMember = model.getType().getTypedMember(subMethod, Collections.<Type>emptyList());
                final java.util.List<TypeParameter> typeParameters = subMethod.getTypeParameters();
                final java.util.List<Parameter> parameters = subMethod.getFirstParameterList().getParameters();
                boolean hasOverloads = false;
                if (!satisfiedInterfaces.contains((Interface) method.getContainer())) {
                    for (Parameter param : parameters) {
                        if (Strategy.hasDefaultParameterValueMethod(param) && CodegenUtil.getTopmostRefinedDeclaration(param.getModel()).getContainer().equals(member)) {
                            final TypedReference typedParameter = typedMember.getTypedParameter(param);
                            // If that method has a defaulted parameter, 
                            // we need to generate a default value method
                            // which also delegates to the $impl
                            final MethodDefinitionBuilder defaultValueDelegate = makeDelegateToCompanion(iface, typedParameter, model.getType(), PUBLIC | FINAL, typeParameters, producedTypeParameterBounds, typedParameter.getFullType(), Naming.getDefaultedParamMethodName(method, param), parameters.subList(0, parameters.indexOf(param)), param.getModel().getTypeErased(), null, DelegateType.FOR_DEFAULT_VALUE);
                            classBuilder.method(defaultValueDelegate);
                        }
                        if (Strategy.hasDefaultParameterOverload(param)) {
                            if ((method.isDefault() || method.isShared() && !method.isFormal()) && Decl.equal(method, subMethod)) {
                                MethodDefinitionBuilder overload = new DefaultedArgumentMethodTyped(new DaoThis((Tree.AnyMethod) null, null), MethodDefinitionBuilder.method(this, subMethod), typedMember, true).makeOverload(subMethod.getFirstParameterList(), param, typeParameters);
                                classBuilder.method(overload);
                            }
                            hasOverloads = true;
                        }
                    }
                }
                // delegating to the $impl instance
                if (needsCompanionDelegate(model, typedMember)) {
                    final MethodDefinitionBuilder concreteMemberDelegate = makeDelegateToCompanion(iface, typedMember, model.getType(), PUBLIC | (method.isDefault() ? 0 : FINAL), typeParameters, producedTypeParameterBounds, typedMember.getType(), naming.selector(method), method.getFirstParameterList().getParameters(), ((Function) member).getTypeErased(), null, DelegateType.OTHER);
                    classBuilder.method(concreteMemberDelegate);
                }
                if (hasOverloads && (method.isDefault() || method.isShared() && !method.isFormal()) && Decl.equal(method, subMethod)) {
                    final MethodDefinitionBuilder canonicalMethod = makeDelegateToCompanion(iface, typedMember, model.getType(), PRIVATE, subMethod.getTypeParameters(), producedTypeParameterBounds, typedMember.getType(), Naming.selector(method, Naming.NA_CANONICAL_METHOD), method.getFirstParameterList().getParameters(), ((Function) member).getTypeErased(), naming.selector(method), DelegateType.OTHER);
                    classBuilder.method(canonicalMethod);
                }
            }
        } else if (member instanceof Value || member instanceof Setter) {
            TypedDeclaration attr = (TypedDeclaration) member;
            final TypedReference typedMember = satisfiedType.getTypedMember(attr, null);
            if (needsCompanionDelegate(model, typedMember)) {
                Setter setter = (member instanceof Setter) ? (Setter) member : null;
                if (member instanceof Value) {
                    if (member instanceof JavaBeanValue) {
                        setter = ((Value) member).getSetter();
                    }
                    final MethodDefinitionBuilder getterDelegate = makeDelegateToCompanion(iface, typedMember, model.getType(), PUBLIC | (attr.isDefault() ? 0 : FINAL), Collections.<TypeParameter>emptyList(), Collections.<java.util.List<Type>>emptyList(), typedMember.getType(), Naming.getGetterName(attr), Collections.<Parameter>emptyList(), attr.getTypeErased(), null, DelegateType.OTHER);
                    classBuilder.method(getterDelegate);
                }
                if (setter != null) {
                    final MethodDefinitionBuilder setterDelegate = makeDelegateToCompanion(iface, satisfiedType.getTypedMember(setter, null), model.getType(), PUBLIC | (setter.getGetter().isDefault() ? 0 : FINAL), Collections.<TypeParameter>emptyList(), Collections.<java.util.List<Type>>emptyList(), typeFact().getAnythingType(), Naming.getSetterName(attr), Collections.<Parameter>singletonList(setter.getParameter()), setter.getTypeErased(), null, DelegateType.OTHER);
                    classBuilder.method(setterDelegate);
                }
                if (Decl.isValue(member) && ((Value) attr).isVariable()) {
                    // $impl to delegate to
                    throw new BugException("assertion failed: " + member.getQualifiedNameString() + " was unexpectedly a variable value");
                }
            }
        } else {
            Reference typedMember = member instanceof TypeDeclaration ? satisfiedType.getTypeMember((TypeDeclaration) member, Collections.<Type>emptyList()) : satisfiedType.getTypedMember((TypedDeclaration) member, Collections.<Type>emptyList());
            if (needsCompanionDelegate(model, typedMember)) {
                throw new BugException("unhandled concrete interface member " + member.getQualifiedNameString() + " " + member.getClass());
            }
        }
    }
    // Add $impl instances for the whole interface hierarchy
    satisfiedInterfaces.add(iface);
    for (Type sat : iface.getSatisfiedTypes()) {
        sat = model.getType().getSupertype(sat.getDeclaration());
        concreteMembersFromSuperinterfaces(model, classBuilder, sat, satisfiedInterfaces);
    }
}