Examples with TypedReference com.redhat.ceylon.model.typechecker.model.TypedReference used on opensource projects

Example 1 with TypedReference

use of com.redhat.ceylon.model.typechecker.model.TypedReference in project ceylon-compiler by ceylon.

the class AbstractTransformer method nonWideningTypeDecl.

TypedReference nonWideningTypeDecl(TypedReference typedReference, Type currentType) {
    TypedReference refinedTypedReference = getRefinedDeclaration(typedReference, currentType);
    if (refinedTypedReference != null) {
        /*
             * We are widening if the type:
             * - is not object
             * - is erased to object
             * - refines a declaration that is not erased to object
             */
        Type declType = typedReference.getType();
        Type refinedDeclType = refinedTypedReference.getType();
        if (declType == null || refinedDeclType == null)
            return typedReference;
        boolean isWidening = isWidening(declType, refinedDeclType);
        if (!isWidening) {
            // make sure we get the instantiated refined decl
            if (refinedDeclType.getDeclaration() instanceof TypeParameter && !(declType.getDeclaration() instanceof TypeParameter))
                refinedDeclType = nonWideningType(typedReference, refinedTypedReference);
            if (!typedReference.getTypeArguments().containsKey(simplifyType(refinedDeclType).getDeclaration())) {
                isWidening = isWideningTypeArguments(declType, refinedDeclType, true);
            }
        }
        if (isWidening)
            return refinedTypedReference;
    }
    return typedReference;
}

Example 2 with TypedReference

use of com.redhat.ceylon.model.typechecker.model.TypedReference in project ceylon-compiler by ceylon.

the class AbstractTransformer method getTypedSignature.

private java.util.List<Type> getTypedSignature(Type currentType, TypedDeclaration found) {
    // check that its signature is compatible
    java.util.List<ParameterList> parameterLists = ((Function) found).getParameterLists();
    if (parameterLists == null || parameterLists.isEmpty())
        return null;
    // only consider first param list
    java.util.List<Parameter> parameters = parameterLists.get(0).getParameters();
    if (parameters == null)
        return null;
    TypedReference typedMember = currentType.getTypedMember(found, Collections.<Type>emptyList());
    if (typedMember == null)
        return null;
    java.util.List<Type> typedSignature = new ArrayList<Type>(parameters.size());
    for (Parameter p : parameters) {
        Type parameterType = typedMember.getTypedParameter(p).getFullType();
        typedSignature.add(parameterType);
    }
    return typedSignature;
}

Example 3 with TypedReference

use of com.redhat.ceylon.model.typechecker.model.TypedReference in project ceylon-compiler by ceylon.

the class AbstractTransformer method nonWideningType.

Type nonWideningType(TypedReference declaration, TypedReference refinedDeclaration) {
    final Reference pr;
    if (declaration.equals(refinedDeclaration)) {
        pr = declaration;
    } else {
        Type refinedType = refinedDeclaration.getType();
        // since it may have changed name
        if (refinedType.getDeclaration() instanceof TypeParameter && refinedType.getDeclaration().getContainer() instanceof Function) {
            // find its index in the refined declaration
            TypeParameter refinedTypeParameter = (TypeParameter) refinedType.getDeclaration();
            Function refinedMethod = (Function) refinedTypeParameter.getContainer();
            int i = 0;
            for (TypeParameter tp : refinedMethod.getTypeParameters()) {
                if (tp.getName().equals(refinedTypeParameter.getName()))
                    break;
                i++;
            }
            if (i >= refinedMethod.getTypeParameters().size()) {
                throw new BugException("can't find type parameter " + refinedTypeParameter.getName() + " in its container " + refinedMethod.getName());
            }
            // the refining method type parameter should be at the same index
            if (declaration.getDeclaration() instanceof Function == false)
                throw new BugException("refining declaration is not a method: " + declaration);
            Function refiningMethod = (Function) declaration.getDeclaration();
            if (i >= refiningMethod.getTypeParameters().size()) {
                throw new BugException("refining method does not have enough type parameters to refine " + refinedMethod.getName());
            }
            pr = refiningMethod.getTypeParameters().get(i).getType();
        } else {
            pr = refinedType;
        }
    }
    if (pr.getDeclaration() instanceof Functional && Decl.isMpl((Functional) pr.getDeclaration())) {
        // the innermost Callable.
        return getReturnTypeOfCallable(pr.getFullType());
    }
    return pr.getType();
}

Example 4 with TypedReference

use of com.redhat.ceylon.model.typechecker.model.TypedReference in project ceylon-compiler by ceylon.

the class AbstractTransformer method isWideningTypeDecl.

public boolean isWideningTypeDecl(TypedReference typedReference, Type currentType) {
    TypedReference refinedTypedReference = getRefinedDeclaration(typedReference, currentType);
    if (refinedTypedReference == null)
        return false;
    /*
         * We are widening if the type:
         * - is not object
         * - is erased to object
         * - refines a declaration that is not erased to object
         */
    Type declType = typedReference.getType();
    Type refinedDeclType = refinedTypedReference.getType();
    if (declType == null || refinedDeclType == null)
        return false;
    if (isWidening(declType, refinedDeclType))
        return true;
    // make sure we get the instantiated refined decl
    if (refinedDeclType.getDeclaration() instanceof TypeParameter && !(declType.getDeclaration() instanceof TypeParameter))
        refinedDeclType = nonWideningType(typedReference, refinedTypedReference);
    if (isWideningTypeArguments(declType, refinedDeclType, true))
        return true;
    if (CodegenUtil.hasTypeErased(refinedTypedReference.getDeclaration()) && !willEraseToObject(declType))
        return true;
    return false;
}

Example 5 with TypedReference

use of com.redhat.ceylon.model.typechecker.model.TypedReference in project ceylon-compiler by ceylon.

the class ClassTransformer method refineMethod.

private Function refineMethod(Scope container, TypedReference pr, ClassOrInterface classModel, Function formalMethod, Unit unit) {
    Function refined = new Function();
    refined.setActual(true);
    refined.setShared(formalMethod.isShared());
    refined.setContainer(container);
    // in case there are subclasses
    refined.setDefault(true);
    refined.setDeferred(false);
    refined.setDeprecated(formalMethod.isDeprecated());
    refined.setName(formalMethod.getName());
    refined.setRefinedDeclaration(formalMethod.getRefinedDeclaration());
    refined.setScope(container);
    refined.setType(pr.getType());
    refined.setUnit(unit);
    refined.setUnboxed(formalMethod.getUnboxed());
    refined.setUntrustedType(formalMethod.getUntrustedType());
    refined.setTypeErased(formalMethod.getTypeErased());
    ArrayList<TypeParameter> refinedTp = new ArrayList<TypeParameter>();
    ;
    for (TypeParameter formalTp : formalMethod.getTypeParameters()) {
        refinedTp.add(formalTp);
    }
    refined.setTypeParameters(refinedTp);
    for (ParameterList formalPl : formalMethod.getParameterLists()) {
        ParameterList refinedPl = new ParameterList();
        for (Parameter formalP : formalPl.getParameters()) {
            Parameter refinedP = new Parameter();
            refinedP.setAtLeastOne(formalP.isAtLeastOne());
            refinedP.setDeclaration(refined);
            refinedP.setDefaulted(formalP.isDefaulted());
            refinedP.setDeclaredAnything(formalP.isDeclaredAnything());
            refinedP.setHidden(formalP.isHidden());
            refinedP.setSequenced(formalP.isSequenced());
            refinedP.setName(formalP.getName());
            final TypedReference typedParameter = pr.getTypedParameter(formalP);
            FunctionOrValue paramModel;
            if (formalP.getModel() instanceof Value) {
                Value paramValueModel = refineValue((Value) formalP.getModel(), typedParameter, refined, classModel.getUnit());
                paramValueModel.setInitializerParameter(refinedP);
                paramModel = paramValueModel;
            } else {
                Function paramFunctionModel = refineMethod(refined, typedParameter, classModel, (Function) formalP.getModel(), unit);
                paramFunctionModel.setInitializerParameter(refinedP);
                paramModel = paramFunctionModel;
            }
            refinedP.setModel(paramModel);
            refinedPl.getParameters().add(refinedP);
        }
        refined.addParameterList(refinedPl);
    }
    return refined;
}