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

Example 71 with TypeDeclaration

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

the class AbstractTransformer method makeReifiedTypeArgumentResolved.

private JCExpression makeReifiedTypeArgumentResolved(Type pt, boolean qualified) {
    if (pt.isUnion()) {
        // FIXME: refactor this shite
        List<JCExpression> typeTestArguments = List.nil();
        java.util.List<Type> typeParameters = pt.getCaseTypes();
        if (typeParameters.size() == 2) {
            Type alternative = null;
            if (typeParameters.get(0).isEmpty())
                alternative = typeParameters.get(1);
            else if (typeParameters.get(1).isEmpty())
                alternative = typeParameters.get(0);
            if (alternative != null && alternative.isTuple()) {
                JCExpression tupleType = makeTupleTypeDescriptor(alternative, true);
                if (tupleType != null)
                    return tupleType;
            }
        }
        for (int i = typeParameters.size() - 1; i >= 0; i--) {
            typeTestArguments = typeTestArguments.prepend(makeReifiedTypeArgument(typeParameters.get(i)));
        }
        return make().Apply(null, makeSelect(makeTypeDescriptorType(), "union"), typeTestArguments);
    } else if (pt.isIntersection()) {
        List<JCExpression> typeTestArguments = List.nil();
        java.util.List<Type> typeParameters = pt.getSatisfiedTypes();
        for (int i = typeParameters.size() - 1; i >= 0; i--) {
            typeTestArguments = typeTestArguments.prepend(makeReifiedTypeArgument(typeParameters.get(i)));
        }
        return make().Apply(null, makeSelect(makeTypeDescriptorType(), "intersection"), typeTestArguments);
    } else if (pt.isNothing()) {
        return makeNothingTypeDescriptor();
    }
    TypeDeclaration declaration = pt.getDeclaration();
    if (declaration instanceof Constructor) {
        pt = pt.getExtendedType();
        declaration = pt.getDeclaration();
    }
    if (pt.isClassOrInterface()) {
        if (declaration.isJavaEnum()) {
            pt = pt.getExtendedType();
            declaration = pt.getDeclaration();
        }
        // see if we have an alias for it
        if (supportsReifiedAlias((ClassOrInterface) declaration)) {
            JCExpression qualifier = naming.makeDeclarationName(declaration, DeclNameFlag.QUALIFIED);
            return makeSelect(qualifier, naming.getTypeDescriptorAliasName());
        }
        if (pt.isTuple()) {
            JCExpression tupleType = makeTupleTypeDescriptor(pt, false);
            if (tupleType != null)
                return tupleType;
        }
        // no alias, must build it
        List<JCExpression> typeTestArguments = makeReifiedTypeArgumentsResolved(pt.getTypeArgumentList(), qualified);
        JCExpression thisType = makeUnerasedClassLiteral(declaration);
        // do we have variance overrides?
        Map<TypeParameter, SiteVariance> varianceOverrides = pt.getVarianceOverrides();
        if (!varianceOverrides.isEmpty()) {
            // we need to pass them as second argument then, in an array
            ListBuffer<JCExpression> varianceElements = new ListBuffer<JCExpression>();
            for (TypeParameter typeParameter : declaration.getTypeParameters()) {
                SiteVariance useSiteVariance = varianceOverrides.get(typeParameter);
                String selector;
                if (useSiteVariance != null) {
                    switch(useSiteVariance) {
                        case IN:
                            selector = "IN";
                            break;
                        case OUT:
                            selector = "OUT";
                            break;
                        default:
                            selector = "NONE";
                            break;
                    }
                } else {
                    selector = "NONE";
                }
                JCExpression varianceElement = make().Select(makeIdent(syms().ceylonVarianceType), names().fromString(selector));
                varianceElements.append(varianceElement);
            }
            JCNewArray varianceArray = make().NewArray(makeIdent(syms().ceylonVarianceType), List.<JCExpression>nil(), varianceElements.toList());
            typeTestArguments = typeTestArguments.prepend(varianceArray);
        }
        typeTestArguments = typeTestArguments.prepend(thisType);
        JCExpression classDescriptor = make().Apply(null, makeSelect(makeTypeDescriptorType(), "klass"), typeTestArguments);
        Type qualifyingType = pt.getQualifyingType();
        JCExpression containerType = null;
        if (qualifyingType == null && // ignore qualifying types of static java declarations
        (Decl.isCeylon(declaration) || !declaration.isStaticallyImportable())) {
            // it may be contained in a function or value, and we want its type
            Declaration enclosingDeclaration = getDeclarationContainer(declaration);
            if (enclosingDeclaration instanceof TypedDeclaration)
                containerType = makeTypedDeclarationTypeDescriptorResolved((TypedDeclaration) enclosingDeclaration);
            else if (enclosingDeclaration instanceof TypeDeclaration) {
                qualifyingType = ((TypeDeclaration) enclosingDeclaration).getType();
            }
        }
        if (qualifyingType != null && qualifyingType.getDeclaration() instanceof Constructor) {
            qualifyingType = qualifyingType.getQualifyingType();
        }
        if (qualifyingType != null) {
            containerType = makeReifiedTypeArgumentResolved(qualifyingType, true);
        }
        if (containerType == null) {
            return classDescriptor;
        } else {
            return make().Apply(null, makeSelect(makeTypeDescriptorType(), "member"), List.of(containerType, classDescriptor));
        }
    } else if (pt.isTypeParameter()) {
        TypeParameter tp = (TypeParameter) declaration;
        String name = naming.getTypeArgumentDescriptorName(tp);
        if (!qualified || isTypeParameterSubstituted(tp))
            return makeUnquotedIdent(name);
        Scope container = tp.getContainer();
        JCExpression qualifier = null;
        if (container instanceof Class) {
            qualifier = naming.makeQualifiedThis(makeJavaType(((Class) container).getType(), JT_RAW));
        } else if (container instanceof Interface) {
            qualifier = naming.makeQualifiedThis(makeJavaType(((Interface) container).getType(), JT_COMPANION | JT_RAW));
        } else if (container instanceof Function) {
            // name must be a unique name, as returned by getTypeArgumentDescriptorName
            return makeUnquotedIdent(name);
        } else {
            throw BugException.unhandledCase(container);
        }
        return makeSelect(qualifier, name);
    } else {
        throw BugException.unhandledDeclarationCase(declaration);
    }
}

Example 72 with TypeDeclaration

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

the class AbstractTransformer method getRefinedTypedReference.

private TypedReference getRefinedTypedReference(Type qualifyingType, TypedDeclaration refinedDeclaration) {
    TypeDeclaration refinedContainer = (TypeDeclaration) refinedDeclaration.getContainer();
    Type refinedContainerType = qualifyingType.getSupertype(refinedContainer);
    return refinedDeclaration.appliedTypedReference(refinedContainerType, Collections.<Type>emptyList());
}

Example 73 with TypeDeclaration

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

the class AbstractTransformer method canUseFastFailTypeTest.

private boolean canUseFastFailTypeTest(Type type) {
    if (type.getDeclaration() instanceof ClassOrInterface == false)
        return false;
    boolean isRaw = !type.getDeclaration().getTypeParameters().isEmpty();
    Type qualifyingType = type.getQualifyingType();
    if (qualifyingType == null && // ignore qualifying types of static java declarations
    (Decl.isCeylon(type.getDeclaration()) || !type.getDeclaration().isStaticallyImportable())) {
        Declaration declaration = type.getDeclaration();
        boolean local = false;
        do {
            // getDeclarationContainer will skip some containers we don't want to consider, so it's not good
            // for checking locality, rely on isLocal for that.
            local |= Decl.isLocal(declaration);
            // it may be contained in a function or value, and we want its type
            Declaration enclosingDeclaration = getDeclarationContainer(declaration);
            if (enclosingDeclaration instanceof TypedDeclaration) {
                local = true;
                // look up the containers
                declaration = enclosingDeclaration;
            } else if (enclosingDeclaration instanceof TypeDeclaration) {
                // we can't do instanceof on a local whose outer types contain type parameters, unless the local is raw
                if (enclosingDeclaration instanceof Generic && local && !isRaw && !((Generic) enclosingDeclaration).getTypeParameters().isEmpty())
                    return false;
                // look up the containers
                declaration = enclosingDeclaration;
            } else {
                // that's fucked up
                break;
            }
        // go up every containing typed declaration
        } while (declaration != null);
        // we can fast-fail!
        return true;
    } else if (qualifyingType != null) {
        // we can only fast-fail if the qualifying type can also be fast-failed
        return canUseFastFailTypeTest(qualifyingType);
    } else {
        // we can fast-fail!
        return true;
    }
}

Example 74 with TypeDeclaration

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

the class CeylonDocTool method collectSubclasses.

private void collectSubclasses() throws IOException {
    for (Module module : modules) {
        for (Package pkg : getPackages(module)) {
            for (Declaration decl : pkg.getMembers()) {
                if (!shouldInclude(decl)) {
                    continue;
                }
                if (decl instanceof ClassOrInterface) {
                    ClassOrInterface c = (ClassOrInterface) decl;
                    // subclasses map
                    if (c instanceof Class) {
                        Type superclass = c.getExtendedType();
                        if (superclass != null) {
                            TypeDeclaration superdec = superclass.getDeclaration();
                            if (subclasses.get(superdec) == null) {
                                subclasses.put(superdec, new ArrayList<Class>());
                            }
                            subclasses.get(superdec).add((Class) c);
                        }
                    }
                    List<Type> satisfiedTypes = new ArrayList<Type>(c.getSatisfiedTypes());
                    if (satisfiedTypes != null && satisfiedTypes.isEmpty() == false) {
                        // satisfying classes or interfaces map
                        for (Type satisfiedType : satisfiedTypes) {
                            TypeDeclaration superdec = satisfiedType.getDeclaration();
                            if (satisfyingClassesOrInterfaces.get(superdec) == null) {
                                satisfyingClassesOrInterfaces.put(superdec, new ArrayList<ClassOrInterface>());
                            }
                            satisfyingClassesOrInterfaces.get(superdec).add(c);
                        }
                    }
                }
            }
        }
    }
}

Example 75 with TypeDeclaration

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

the class CeylonDocTool method warningMissingThrows.

protected void warningMissingThrows(Declaration d) {
    if (ignoreMissingThrows) {
        return;
    }
    final Scope scope = d.getScope();
    final PhasedUnit unit = getUnit(d);
    final Node node = getNode(d);
    if (scope == null || unit == null || unit.getUnit() == null || node == null || !(d instanceof FunctionOrValue)) {
        return;
    }
    List<Type> documentedExceptions = new ArrayList<Type>();
    for (Annotation annotation : d.getAnnotations()) {
        if (annotation.getName().equals("throws")) {
            String exceptionName = annotation.getPositionalArguments().get(0);
            Declaration exceptionDecl = scope.getMemberOrParameter(unit.getUnit(), exceptionName, null, false);
            if (exceptionDecl instanceof TypeDeclaration) {
                documentedExceptions.add(((TypeDeclaration) exceptionDecl).getType());
            }
        }
    }
    final List<Type> thrownExceptions = new ArrayList<Type>();
    node.visitChildren(new Visitor() {

        @Override
        public void visit(Tree.Throw that) {
            Expression expression = that.getExpression();
            if (expression != null) {
                thrownExceptions.add(expression.getTypeModel());
            } else {
                thrownExceptions.add(unit.getUnit().getExceptionType());
            }
        }

        @Override
        public void visit(Tree.Declaration that) {
        // the end of searching
        }
    });
    for (Type thrownException : thrownExceptions) {
        boolean isDocumented = false;
        for (Type documentedException : documentedExceptions) {
            if (thrownException.isSubtypeOf(documentedException)) {
                isDocumented = true;
                break;
            }
        }
        if (!isDocumented) {
            log.warning(CeylondMessages.msg("warn.missingThrows", thrownException.asString(), getWhere(d), getPosition(getNode(d))));
        }
    }
}