Examples with Type org.eclipse.jdt.core.dom.Type used on opensource projects

Example 1 with Type

use of org.eclipse.jdt.core.dom.Type in project che by eclipse.

the class ASTNodeFactory method newType.

public static Type newType(AST ast, String content) {
    StringBuffer buffer = new StringBuffer(TYPE_HEADER);
    buffer.append(content);
    buffer.append(TYPE_FOOTER);
    CheASTParser p = CheASTParser.newParser(ast.apiLevel());
    p.setSource(buffer.toString().toCharArray());
    CompilationUnit root = (CompilationUnit) p.createAST(null);
    List<AbstractTypeDeclaration> list = root.types();
    TypeDeclaration typeDecl = (TypeDeclaration) list.get(0);
    MethodDeclaration methodDecl = typeDecl.getMethods()[0];
    ASTNode type = methodDecl.getReturnType2();
    ASTNode result = ASTNode.copySubtree(ast, type);
    result.accept(new PositionClearer());
    return (Type) result;
}

Example 2 with Type

use of org.eclipse.jdt.core.dom.Type in project che by eclipse.

the class StubUtility2 method createThrownExceptions.

private static void createThrownExceptions(MethodDeclaration decl, IMethodBinding method, ImportRewrite imports, ImportRewriteContext context, AST ast) {
    ITypeBinding[] excTypes = method.getExceptionTypes();
    if (ast.apiLevel() >= AST.JLS8) {
        List<Type> thrownExceptions = decl.thrownExceptionTypes();
        for (int i = 0; i < excTypes.length; i++) {
            Type excType = imports.addImport(excTypes[i], ast, context);
            thrownExceptions.add(excType);
        }
    } else {
        List<Name> thrownExceptions = getThrownExceptions(decl);
        for (int i = 0; i < excTypes.length; i++) {
            String excTypeName = imports.addImport(excTypes[i], context);
            thrownExceptions.add(ASTNodeFactory.newName(ast, excTypeName));
        }
    }
}

Example 3 with Type

use of org.eclipse.jdt.core.dom.Type in project che by eclipse.

the class UnresolvedElementsSubProcessor method addSimilarTypeProposals.

private static void addSimilarTypeProposals(int kind, ICompilationUnit cu, Name node, int relevance, Collection<ICommandAccess> proposals) throws CoreException {
    SimilarElement[] elements = SimilarElementsRequestor.findSimilarElement(cu, node, kind);
    // try to resolve type in context -> highest severity
    String resolvedTypeName = null;
    ITypeBinding binding = ASTResolving.guessBindingForTypeReference(node);
    if (binding != null) {
        ITypeBinding simpleBinding = binding;
        if (simpleBinding.isArray()) {
            simpleBinding = simpleBinding.getElementType();
        }
        simpleBinding = simpleBinding.getTypeDeclaration();
        if (!simpleBinding.isRecovered()) {
            resolvedTypeName = simpleBinding.getQualifiedName();
            CUCorrectionProposal proposal = createTypeRefChangeProposal(cu, resolvedTypeName, node, relevance + 2, elements.length);
            proposals.add(proposal);
            if (proposal instanceof AddImportCorrectionProposal)
                proposal.setRelevance(relevance + elements.length + 2);
            if (binding.isParameterizedType() && (node.getParent() instanceof SimpleType || node.getParent() instanceof NameQualifiedType) && !(node.getParent().getParent() instanceof Type)) {
                proposals.add(createTypeRefChangeFullProposal(cu, binding, node, relevance + 5));
            }
        }
    } else {
        ASTNode normalizedNode = ASTNodes.getNormalizedNode(node);
        if (!(normalizedNode.getParent() instanceof Type) && node.getParent() != normalizedNode) {
            ITypeBinding normBinding = ASTResolving.guessBindingForTypeReference(normalizedNode);
            if (normBinding != null && !normBinding.isRecovered()) {
                proposals.add(createTypeRefChangeFullProposal(cu, normBinding, normalizedNode, relevance + 5));
            }
        }
    }
    // add all similar elements
    for (int i = 0; i < elements.length; i++) {
        SimilarElement elem = elements[i];
        if ((elem.getKind() & SimilarElementsRequestor.ALL_TYPES) != 0) {
            String fullName = elem.getName();
            if (!fullName.equals(resolvedTypeName)) {
                proposals.add(createTypeRefChangeProposal(cu, fullName, node, relevance, elements.length));
            }
        }
    }
}

Example 4 with Type

use of org.eclipse.jdt.core.dom.Type in project che by eclipse.

the class ReturnTypeSubProcessor method addMissingReturnStatementProposals.

public static void addMissingReturnStatementProposals(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) {
    ICompilationUnit cu = context.getCompilationUnit();
    ASTNode selectedNode = problem.getCoveringNode(context.getASTRoot());
    if (selectedNode == null) {
        return;
    }
    ReturnStatement existingStatement = (selectedNode instanceof ReturnStatement) ? (ReturnStatement) selectedNode : null;
    // Lambda Expression can be in a MethodDeclaration or a Field Declaration
    if (selectedNode instanceof LambdaExpression) {
        MissingReturnTypeInLambdaCorrectionProposal proposal = new MissingReturnTypeInLambdaCorrectionProposal(cu, (LambdaExpression) selectedNode, existingStatement, IProposalRelevance.MISSING_RETURN_TYPE);
        proposals.add(proposal);
    } else {
        BodyDeclaration decl = ASTResolving.findParentBodyDeclaration(selectedNode);
        if (decl instanceof MethodDeclaration) {
            MethodDeclaration methodDecl = (MethodDeclaration) decl;
            Block block = methodDecl.getBody();
            if (block == null) {
                return;
            }
            proposals.add(new MissingReturnTypeCorrectionProposal(cu, methodDecl, existingStatement, IProposalRelevance.MISSING_RETURN_TYPE));
            Type returnType = methodDecl.getReturnType2();
            if (returnType != null && !"void".equals(ASTNodes.asString(returnType))) {
                //$NON-NLS-1$
                AST ast = methodDecl.getAST();
                ASTRewrite rewrite = ASTRewrite.create(ast);
                rewrite.replace(returnType, ast.newPrimitiveType(PrimitiveType.VOID), null);
                Javadoc javadoc = methodDecl.getJavadoc();
                if (javadoc != null) {
                    TagElement tagElement = JavadocTagsSubProcessor.findTag(javadoc, TagElement.TAG_RETURN, null);
                    if (tagElement != null) {
                        rewrite.remove(tagElement, null);
                    }
                }
                String label = CorrectionMessages.ReturnTypeSubProcessor_changetovoid_description;
                Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
                ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, cu, rewrite, IProposalRelevance.CHANGE_RETURN_TYPE_TO_VOID, image);
                proposals.add(proposal);
            }
        }
    }
}

Example 5 with Type

use of org.eclipse.jdt.core.dom.Type in project che by eclipse.

the class ReturnTypeSubProcessor method addMissingReturnTypeProposals.

public static void addMissingReturnTypeProposals(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) {
    ICompilationUnit cu = context.getCompilationUnit();
    CompilationUnit astRoot = context.getASTRoot();
    ASTNode selectedNode = problem.getCoveringNode(astRoot);
    if (selectedNode == null) {
        return;
    }
    BodyDeclaration decl = ASTResolving.findParentBodyDeclaration(selectedNode);
    if (decl instanceof MethodDeclaration) {
        MethodDeclaration methodDeclaration = (MethodDeclaration) decl;
        ReturnStatementCollector eval = new ReturnStatementCollector();
        decl.accept(eval);
        AST ast = astRoot.getAST();
        ITypeBinding typeBinding = eval.getTypeBinding(decl.getAST());
        typeBinding = Bindings.normalizeTypeBinding(typeBinding);
        if (typeBinding == null) {
            //$NON-NLS-1$
            typeBinding = ast.resolveWellKnownType("void");
        }
        if (typeBinding.isWildcardType()) {
            typeBinding = ASTResolving.normalizeWildcardType(typeBinding, true, ast);
        }
        ASTRewrite rewrite = ASTRewrite.create(ast);
        String label = Messages.format(CorrectionMessages.ReturnTypeSubProcessor_missingreturntype_description, BindingLabelProvider.getBindingLabel(typeBinding, BindingLabelProvider.DEFAULT_TEXTFLAGS));
        Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
        LinkedCorrectionProposal proposal = new LinkedCorrectionProposal(label, cu, rewrite, IProposalRelevance.MISSING_RETURN_TYPE, image);
        ImportRewrite imports = proposal.createImportRewrite(astRoot);
        ImportRewriteContext importRewriteContext = new ContextSensitiveImportRewriteContext(decl, imports);
        Type type = imports.addImport(typeBinding, ast, importRewriteContext);
        rewrite.set(methodDeclaration, MethodDeclaration.RETURN_TYPE2_PROPERTY, type, null);
        rewrite.set(methodDeclaration, MethodDeclaration.CONSTRUCTOR_PROPERTY, Boolean.FALSE, null);
        Javadoc javadoc = methodDeclaration.getJavadoc();
        if (javadoc != null && typeBinding != null) {
            TagElement newTag = ast.newTagElement();
            newTag.setTagName(TagElement.TAG_RETURN);
            TextElement commentStart = ast.newTextElement();
            newTag.fragments().add(commentStart);
            JavadocTagsSubProcessor.insertTag(rewrite.getListRewrite(javadoc, Javadoc.TAGS_PROPERTY), newTag, null);
            //$NON-NLS-1$
            proposal.addLinkedPosition(rewrite.track(commentStart), false, "comment_start");
        }
        //$NON-NLS-1$
        String key = "return_type";
        proposal.addLinkedPosition(rewrite.track(type), true, key);
        if (typeBinding != null) {
            ITypeBinding[] bindings = ASTResolving.getRelaxingTypes(ast, typeBinding);
            for (int i = 0; i < bindings.length; i++) {
                proposal.addLinkedPositionProposal(key, bindings[i]);
            }
        }
        proposals.add(proposal);
        // change to constructor
        ASTNode parentType = ASTResolving.findParentType(decl);
        if (parentType instanceof AbstractTypeDeclaration) {
            boolean isInterface = parentType instanceof TypeDeclaration && ((TypeDeclaration) parentType).isInterface();
            if (!isInterface) {
                String constructorName = ((AbstractTypeDeclaration) parentType).getName().getIdentifier();
                ASTNode nameNode = methodDeclaration.getName();
                label = Messages.format(CorrectionMessages.ReturnTypeSubProcessor_wrongconstructorname_description, BasicElementLabels.getJavaElementName(constructorName));
                proposals.add(new ReplaceCorrectionProposal(label, cu, nameNode.getStartPosition(), nameNode.getLength(), constructorName, IProposalRelevance.CHANGE_TO_CONSTRUCTOR));
            }
        }
    }
}