Examples with CallableConstructor ceylon.language.meta.model.CallableConstructor used on opensource projects

Example 1 with CallableConstructor

use of ceylon.language.meta.model.CallableConstructor in project ceylon by eclipse.

the class ClassImpl method getDeclaredConstructor.

@Override
@TypeParameters(@TypeParameter(value = "Arguments", satisfies = "ceylon.language::Sequential<ceylon.language::Anything>"))
@TypeInfo("ceylon.language.meta.model::CallableConstructor<Type,Arguments>|ceylon.language.meta.model::ValueConstructor<Type>|ceylon.language::Null")
public <Arguments extends Sequential<? extends Object>> java.lang.Object getDeclaredConstructor(@Ignore TypeDescriptor $reified$Arguments, @Name("name") String name) {
    checkInit();
    final ceylon.language.meta.declaration.Declaration ctor = ((ClassDeclarationImpl) declaration).getConstructorDeclaration(name);
    if (ctor == null)
        return null;
    if (ctor instanceof CallableConstructorDeclaration) {
        if (ctor instanceof ClassWithInitializerDeclarationConstructor) {
            TypeDescriptor actualReifiedArguments = Metamodel.getTypeDescriptorForArguments(declaration.declaration.getUnit(), (Functional) ((ClassWithInitializerDeclarationConstructor) ctor).declaration, this.producedType);
            Metamodel.checkReifiedTypeArgument("getDeclaredConstructor", "CallableConstructor<$1,$2>", // // this line is bullshit since it's always true, but otherwise we can't substitute the error message above :(
            Variance.OUT, this.producedType, $reifiedType, Variance.IN, Metamodel.getProducedType(actualReifiedArguments), $reified$Arguments);
            ClassInitializerConstructor c = new ClassInitializerConstructor<>(this);
            return c;
        }
        CallableConstructorDeclarationImpl callableCtor = (CallableConstructorDeclarationImpl) ctor;
        org.eclipse.ceylon.model.typechecker.model.Type constructorType = callableCtor.constructor.appliedType(this.producedType, Collections.<org.eclipse.ceylon.model.typechecker.model.Type>emptyList());
        // return new AppliedConstructor<Type,Args>(this.$reifiedType, actualReifiedArguments, this, constructorType, ctor, this.instance);
        // Reference reference = ((Function)callableCtor.declaration).getReference();
        Reference reference;
        if (callableCtor.declaration instanceof Function) {
            reference = ((Function) callableCtor.declaration).appliedTypedReference(producedType, null);
        } else if (callableCtor.declaration instanceof org.eclipse.ceylon.model.typechecker.model.Class) {
            reference = ((org.eclipse.ceylon.model.typechecker.model.Class) callableCtor.declaration).appliedReference(producedType, null);
        } else if (callableCtor.declaration instanceof org.eclipse.ceylon.model.typechecker.model.Constructor) {
            reference = ((org.eclipse.ceylon.model.typechecker.model.Constructor) callableCtor.declaration).appliedReference(producedType, null);
        } else {
            throw Metamodel.newModelError("Unexpect declaration " + callableCtor.declaration);
        }
        // anonymous classes don't have parameter lists
        TypeDescriptor actualReifiedArguments = Metamodel.getTypeDescriptorForArguments(declaration.declaration.getUnit(), (Functional) callableCtor.declaration, reference);
        // This is all very ugly but we're trying to make it cheaper and friendlier than just checking the full type and showing
        // implementation types to the user, such as AppliedMemberClass
        Metamodel.checkReifiedTypeArgument("getConstructor", "Constructor<$1,$2>", // this line is bullshit since it's always true, but otherwise we can't substitute the error message above :(
        Variance.OUT, this.producedType, $reifiedType, Variance.IN, Metamodel.getProducedType(actualReifiedArguments), $reified$Arguments);
        CallableConstructorImpl<Type, Sequential<? extends Object>> appliedConstructor = new CallableConstructorImpl<Type, Sequential<? extends java.lang.Object>>(this.$reifiedType, $reified$Arguments, reference, callableCtor, this, instance);
        Metamodel.checkReifiedTypeArgument("apply", "CallableConstructor<$1,$2>", Variance.OUT, producedType, $reifiedType, Variance.IN, Metamodel.getProducedTypeForArguments(declaration.declaration.getUnit(), (Functional) callableCtor.declaration, reference), $reified$Arguments);
        return appliedConstructor;
    } else if (ctor instanceof ValueConstructorDeclaration) {
        ValueConstructorDeclarationImpl callableCtor = (ValueConstructorDeclarationImpl) ctor;
        org.eclipse.ceylon.model.typechecker.model.Type constructorType = callableCtor.constructor.appliedType(this.producedType, Collections.<org.eclipse.ceylon.model.typechecker.model.Type>emptyList());
        TypedDeclaration val = (TypedDeclaration) callableCtor.constructor.getContainer().getDirectMember(callableCtor.constructor.getName(), null, false);
        return new ValueConstructorImpl<Type>(this.$reifiedType, callableCtor, val.getTypedReference(), this, instance);
    } else {
        throw new AssertionError("Constructor neither CallableConstructorDeclaration nor ValueConstructorDeclaration");
    }
}