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

Example 21 with ClassInstanceCreation

use of org.eclipse.jdt.core.dom.ClassInstanceCreation in project flux by eclipse.

the class ASTResolving method getPossibleReferenceBinding.

private static ITypeBinding getPossibleReferenceBinding(ASTNode node) {
    ASTNode parent = node.getParent();
    switch(parent.getNodeType()) {
        case ASTNode.ASSIGNMENT:
            Assignment assignment = (Assignment) parent;
            if (node.equals(assignment.getLeftHandSide())) {
                // field write access: xx= expression
                return assignment.getRightHandSide().resolveTypeBinding();
            }
            // read access
            return assignment.getLeftHandSide().resolveTypeBinding();
        case ASTNode.INFIX_EXPRESSION:
            InfixExpression infix = (InfixExpression) parent;
            InfixExpression.Operator op = infix.getOperator();
            if (op == InfixExpression.Operator.CONDITIONAL_AND || op == InfixExpression.Operator.CONDITIONAL_OR) {
                //$NON-NLS-1$
                return infix.getAST().resolveWellKnownType("boolean");
            } else if (op == InfixExpression.Operator.LEFT_SHIFT || op == InfixExpression.Operator.RIGHT_SHIFT_UNSIGNED || op == InfixExpression.Operator.RIGHT_SHIFT_SIGNED) {
                //$NON-NLS-1$
                return infix.getAST().resolveWellKnownType("int");
            }
            if (node.equals(infix.getLeftOperand())) {
                //	xx operation expression
                ITypeBinding rigthHandBinding = infix.getRightOperand().resolveTypeBinding();
                if (rigthHandBinding != null) {
                    return rigthHandBinding;
                }
            } else {
                // expression operation xx
                ITypeBinding leftHandBinding = infix.getLeftOperand().resolveTypeBinding();
                if (leftHandBinding != null) {
                    return leftHandBinding;
                }
            }
            if (op != InfixExpression.Operator.EQUALS && op != InfixExpression.Operator.NOT_EQUALS) {
                //$NON-NLS-1$
                return infix.getAST().resolveWellKnownType("int");
            }
            break;
        case ASTNode.INSTANCEOF_EXPRESSION:
            InstanceofExpression instanceofExpression = (InstanceofExpression) parent;
            return instanceofExpression.getRightOperand().resolveBinding();
        case ASTNode.VARIABLE_DECLARATION_FRAGMENT:
            VariableDeclarationFragment frag = (VariableDeclarationFragment) parent;
            if (frag.getInitializer().equals(node)) {
                return frag.getName().resolveTypeBinding();
            }
            break;
        case ASTNode.SUPER_METHOD_INVOCATION:
            SuperMethodInvocation superMethodInvocation = (SuperMethodInvocation) parent;
            IMethodBinding superMethodBinding = ASTNodes.getMethodBinding(superMethodInvocation.getName());
            if (superMethodBinding != null) {
                return getParameterTypeBinding(node, superMethodInvocation.arguments(), superMethodBinding);
            }
            break;
        case ASTNode.METHOD_INVOCATION:
            MethodInvocation methodInvocation = (MethodInvocation) parent;
            IMethodBinding methodBinding = methodInvocation.resolveMethodBinding();
            if (methodBinding != null) {
                return getParameterTypeBinding(node, methodInvocation.arguments(), methodBinding);
            }
            break;
        case ASTNode.SUPER_CONSTRUCTOR_INVOCATION:
            {
                SuperConstructorInvocation superInvocation = (SuperConstructorInvocation) parent;
                IMethodBinding superBinding = superInvocation.resolveConstructorBinding();
                if (superBinding != null) {
                    return getParameterTypeBinding(node, superInvocation.arguments(), superBinding);
                }
                break;
            }
        case ASTNode.CONSTRUCTOR_INVOCATION:
            {
                ConstructorInvocation constrInvocation = (ConstructorInvocation) parent;
                IMethodBinding constrBinding = constrInvocation.resolveConstructorBinding();
                if (constrBinding != null) {
                    return getParameterTypeBinding(node, constrInvocation.arguments(), constrBinding);
                }
                break;
            }
        case ASTNode.CLASS_INSTANCE_CREATION:
            {
                ClassInstanceCreation creation = (ClassInstanceCreation) parent;
                IMethodBinding creationBinding = creation.resolveConstructorBinding();
                if (creationBinding != null) {
                    return getParameterTypeBinding(node, creation.arguments(), creationBinding);
                }
                break;
            }
        case ASTNode.PARENTHESIZED_EXPRESSION:
            return guessBindingForReference(parent);
        case ASTNode.ARRAY_ACCESS:
            if (((ArrayAccess) parent).getIndex().equals(node)) {
                //$NON-NLS-1$
                return parent.getAST().resolveWellKnownType("int");
            } else {
                ITypeBinding parentBinding = getPossibleReferenceBinding(parent);
                if (parentBinding == null) {
                    //$NON-NLS-1$
                    parentBinding = parent.getAST().resolveWellKnownType("java.lang.Object");
                }
                return parentBinding.createArrayType(1);
            }
        case ASTNode.ARRAY_CREATION:
            if (((ArrayCreation) parent).dimensions().contains(node)) {
                //$NON-NLS-1$
                return parent.getAST().resolveWellKnownType("int");
            }
            break;
        case ASTNode.ARRAY_INITIALIZER:
            ASTNode initializerParent = parent.getParent();
            int dim = 1;
            while (initializerParent instanceof ArrayInitializer) {
                initializerParent = initializerParent.getParent();
                dim++;
            }
            Type creationType = null;
            if (initializerParent instanceof ArrayCreation) {
                creationType = ((ArrayCreation) initializerParent).getType();
            } else if (initializerParent instanceof VariableDeclaration) {
                VariableDeclaration varDecl = (VariableDeclaration) initializerParent;
                creationType = ASTNodes.getType(varDecl);
                dim -= varDecl.getExtraDimensions();
            } else if (initializerParent instanceof MemberValuePair) {
                String name = ((MemberValuePair) initializerParent).getName().getIdentifier();
                IMethodBinding annotMember = findAnnotationMember((Annotation) initializerParent.getParent(), name);
                if (annotMember != null) {
                    return getReducedDimensionBinding(annotMember.getReturnType(), dim);
                }
            }
            if (creationType instanceof ArrayType) {
                ITypeBinding creationTypeBinding = ((ArrayType) creationType).resolveBinding();
                if (creationTypeBinding != null) {
                    return Bindings.getComponentType(creationTypeBinding, dim);
                }
            }
            break;
        case ASTNode.CONDITIONAL_EXPRESSION:
            ConditionalExpression expression = (ConditionalExpression) parent;
            if (node.equals(expression.getExpression())) {
                //$NON-NLS-1$
                return parent.getAST().resolveWellKnownType("boolean");
            }
            if (node.equals(expression.getElseExpression())) {
                return expression.getThenExpression().resolveTypeBinding();
            }
            return expression.getElseExpression().resolveTypeBinding();
        case ASTNode.POSTFIX_EXPRESSION:
            //$NON-NLS-1$
            return parent.getAST().resolveWellKnownType("int");
        case ASTNode.PREFIX_EXPRESSION:
            if (((PrefixExpression) parent).getOperator() == PrefixExpression.Operator.NOT) {
                //$NON-NLS-1$
                return parent.getAST().resolveWellKnownType("boolean");
            }
            //$NON-NLS-1$
            return parent.getAST().resolveWellKnownType("int");
        case ASTNode.IF_STATEMENT:
        case ASTNode.WHILE_STATEMENT:
        case ASTNode.DO_STATEMENT:
            if (node instanceof Expression) {
                //$NON-NLS-1$
                return parent.getAST().resolveWellKnownType("boolean");
            }
            break;
        case ASTNode.SWITCH_STATEMENT:
            if (((SwitchStatement) parent).getExpression().equals(node)) {
                //$NON-NLS-1$
                return parent.getAST().resolveWellKnownType("int");
            }
            break;
        case ASTNode.RETURN_STATEMENT:
            MethodDeclaration decl = ASTResolving.findParentMethodDeclaration(parent);
            if (decl != null && !decl.isConstructor()) {
                return decl.getReturnType2().resolveBinding();
            }
            LambdaExpression lambdaExpr = ASTResolving.findEnclosingLambdaExpression(parent);
            if (lambdaExpr != null) {
                IMethodBinding lambdaMethodBinding = lambdaExpr.resolveMethodBinding();
                if (lambdaMethodBinding != null && lambdaMethodBinding.getReturnType() != null) {
                    return lambdaMethodBinding.getReturnType();
                }
            }
            break;
        case ASTNode.CAST_EXPRESSION:
            return ((CastExpression) parent).getType().resolveBinding();
        case ASTNode.THROW_STATEMENT:
        case ASTNode.CATCH_CLAUSE:
            //$NON-NLS-1$
            return parent.getAST().resolveWellKnownType("java.lang.Exception");
        case ASTNode.FIELD_ACCESS:
            if (node.equals(((FieldAccess) parent).getName())) {
                return getPossibleReferenceBinding(parent);
            }
            break;
        case ASTNode.SUPER_FIELD_ACCESS:
            return getPossibleReferenceBinding(parent);
        case ASTNode.QUALIFIED_NAME:
            if (node.equals(((QualifiedName) parent).getName())) {
                return getPossibleReferenceBinding(parent);
            }
            break;
        case ASTNode.SWITCH_CASE:
            if (node.equals(((SwitchCase) parent).getExpression()) && parent.getParent() instanceof SwitchStatement) {
                return ((SwitchStatement) parent.getParent()).getExpression().resolveTypeBinding();
            }
            break;
        case ASTNode.ASSERT_STATEMENT:
            if (node.getLocationInParent() == AssertStatement.EXPRESSION_PROPERTY) {
                //$NON-NLS-1$
                return parent.getAST().resolveWellKnownType("boolean");
            }
            //$NON-NLS-1$
            return parent.getAST().resolveWellKnownType("java.lang.String");
        case ASTNode.SINGLE_MEMBER_ANNOTATION:
            {
                //$NON-NLS-1$
                IMethodBinding annotMember = findAnnotationMember((Annotation) parent, "value");
                if (annotMember != null) {
                    return annotMember.getReturnType();
                }
                break;
            }
        case ASTNode.MEMBER_VALUE_PAIR:
            {
                String name = ((MemberValuePair) parent).getName().getIdentifier();
                IMethodBinding annotMember = findAnnotationMember((Annotation) parent.getParent(), name);
                if (annotMember != null) {
                    return annotMember.getReturnType();
                }
                break;
            }
        default:
    }
    return null;
}

Example 22 with ClassInstanceCreation

use of org.eclipse.jdt.core.dom.ClassInstanceCreation in project flux by eclipse.

the class QuickAssistProcessor method getConvertAnonymousToNestedProposal.

private static boolean getConvertAnonymousToNestedProposal(IInvocationContext context, final ASTNode node, Collection<ICommandAccess> proposals) throws CoreException {
    if (!(node instanceof Name))
        return false;
    ASTNode normalized = ASTNodes.getNormalizedNode(node);
    if (normalized.getLocationInParent() != ClassInstanceCreation.TYPE_PROPERTY)
        return false;
    final AnonymousClassDeclaration anonymTypeDecl = ((ClassInstanceCreation) normalized.getParent()).getAnonymousClassDeclaration();
    if (anonymTypeDecl == null || anonymTypeDecl.resolveBinding() == null) {
        return false;
    }
    if (proposals == null) {
        return true;
    }
    final ICompilationUnit cu = context.getCompilationUnit();
    //final ConvertAnonymousToNestedRefactoring refactoring= new ConvertAnonymousToNestedRefactoring(anonymTypeDecl);
    String extTypeName = ASTNodes.getSimpleNameIdentifier((Name) node);
    ITypeBinding anonymTypeBinding = anonymTypeDecl.resolveBinding();
    String className;
    if (anonymTypeBinding.getInterfaces().length == 0) {
        className = Messages.format(CorrectionMessages.QuickAssistProcessor_name_extension_from_interface, extTypeName);
    } else {
        className = Messages.format(CorrectionMessages.QuickAssistProcessor_name_extension_from_class, extTypeName);
    }
    String[][] existingTypes = ((IType) anonymTypeBinding.getJavaElement()).resolveType(className);
    int i = 1;
    while (existingTypes != null) {
        i++;
        existingTypes = ((IType) anonymTypeBinding.getJavaElement()).resolveType(className + i);
    }
    //		}
    return false;
}

Example 23 with ClassInstanceCreation

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

the class TypeContextChecker method fillWithTypeStubs.

private static void fillWithTypeStubs(final StringBuffer bufBefore, final StringBuffer bufAfter, final int focalPosition, List<? extends BodyDeclaration> types) {
    StringBuffer buf;
    for (Iterator<? extends BodyDeclaration> iter = types.iterator(); iter.hasNext(); ) {
        BodyDeclaration bodyDeclaration = iter.next();
        if (!(bodyDeclaration instanceof AbstractTypeDeclaration)) {
            //account for local classes:
            if (!(bodyDeclaration instanceof MethodDeclaration))
                continue;
            int bodyStart = bodyDeclaration.getStartPosition();
            int bodyEnd = bodyDeclaration.getStartPosition() + bodyDeclaration.getLength();
            if (!(bodyStart < focalPosition && focalPosition < bodyEnd))
                continue;
            MethodDeclaration methodDeclaration = (MethodDeclaration) bodyDeclaration;
            buf = bufBefore;
            appendModifiers(buf, methodDeclaration.modifiers());
            appendTypeParameters(buf, methodDeclaration.typeParameters());
            //$NON-NLS-1$
            buf.append(" void ");
            buf.append(methodDeclaration.getName().getIdentifier());
            //$NON-NLS-1$
            buf.append("(){\n");
            Block body = methodDeclaration.getBody();
            body.accept(new HierarchicalASTVisitor() {

                @Override
                public boolean visit(AbstractTypeDeclaration node) {
                    fillWithTypeStubs(bufBefore, bufAfter, focalPosition, Collections.singletonList(node));
                    return false;
                }

                @Override
                public boolean visit(ClassInstanceCreation node) {
                    AnonymousClassDeclaration anonDecl = node.getAnonymousClassDeclaration();
                    if (anonDecl == null)
                        // could be in CIC parameter list
                        return true;
                    int anonStart = anonDecl.getStartPosition();
                    int anonEnd = anonDecl.getStartPosition() + anonDecl.getLength();
                    if (!(anonStart < focalPosition && focalPosition < anonEnd))
                        return false;
                    //$NON-NLS-1$
                    bufBefore.append(" new ");
                    bufBefore.append(node.getType().toString());
                    //$NON-NLS-1$
                    bufBefore.append("(){\n");
                    fillWithTypeStubs(bufBefore, bufAfter, focalPosition, anonDecl.bodyDeclarations());
                    //$NON-NLS-1$
                    bufAfter.append("};\n");
                    return false;
                }
            });
            buf = bufAfter;
            //$NON-NLS-1$
            buf.append("}\n");
            continue;
        }
        AbstractTypeDeclaration decl = (AbstractTypeDeclaration) bodyDeclaration;
        buf = decl.getStartPosition() < focalPosition ? bufBefore : bufAfter;
        appendModifiers(buf, decl.modifiers());
        if (decl instanceof TypeDeclaration) {
            TypeDeclaration type = (TypeDeclaration) decl;
            //$NON-NLS-1$//$NON-NLS-2$
            buf.append(type.isInterface() ? "interface " : "class ");
            buf.append(type.getName().getIdentifier());
            appendTypeParameters(buf, type.typeParameters());
            if (type.getSuperclassType() != null) {
                //$NON-NLS-1$
                buf.append(" extends ");
                buf.append(ASTNodes.asString(type.getSuperclassType()));
            }
            List<Type> superInterfaces = type.superInterfaceTypes();
            appendSuperInterfaces(buf, superInterfaces);
        } else if (decl instanceof AnnotationTypeDeclaration) {
            AnnotationTypeDeclaration annotation = (AnnotationTypeDeclaration) decl;
            //$NON-NLS-1$
            buf.append("@interface ");
            buf.append(annotation.getName().getIdentifier());
        } else if (decl instanceof EnumDeclaration) {
            EnumDeclaration enumDecl = (EnumDeclaration) decl;
            //$NON-NLS-1$
            buf.append("enum ");
            buf.append(enumDecl.getName().getIdentifier());
            List<Type> superInterfaces = enumDecl.superInterfaceTypes();
            appendSuperInterfaces(buf, superInterfaces);
        }
        //$NON-NLS-1$
        buf.append("{\n");
        if (decl instanceof EnumDeclaration)
            //$NON-NLS-1$
            buf.append(";\n");
        fillWithTypeStubs(bufBefore, bufAfter, focalPosition, decl.bodyDeclarations());
        buf = decl.getStartPosition() + decl.getLength() < focalPosition ? bufBefore : bufAfter;
        //$NON-NLS-1$
        buf.append("}\n");
    }
}

Example 24 with ClassInstanceCreation

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

the class ExtractTempRefactoring method checkSelection.

private RefactoringStatus checkSelection(IProgressMonitor pm) throws JavaModelException {
    try {
        //$NON-NLS-1$
        pm.beginTask("", 8);
        IExpressionFragment selectedExpression = getSelectedExpression();
        if (selectedExpression == null) {
            String message = RefactoringCoreMessages.ExtractTempRefactoring_select_expression;
            return CodeRefactoringUtil.checkMethodSyntaxErrors(fSelectionStart, fSelectionLength, fCompilationUnitNode, message);
        }
        pm.worked(1);
        if (isUsedInExplicitConstructorCall())
            return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.ExtractTempRefactoring_explicit_constructor);
        pm.worked(1);
        ASTNode associatedNode = selectedExpression.getAssociatedNode();
        if (getEnclosingBodyNode() == null || ASTNodes.getParent(associatedNode, Annotation.class) != null)
            return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.ExtractTempRefactoring_expr_in_method_or_initializer);
        pm.worked(1);
        if (associatedNode instanceof Name && associatedNode.getParent() instanceof ClassInstanceCreation && associatedNode.getLocationInParent() == ClassInstanceCreation.TYPE_PROPERTY)
            return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.ExtractTempRefactoring_name_in_new);
        pm.worked(1);
        RefactoringStatus result = new RefactoringStatus();
        result.merge(checkExpression());
        if (result.hasFatalError())
            return result;
        pm.worked(1);
        result.merge(checkExpressionFragmentIsRValue());
        if (result.hasFatalError())
            return result;
        pm.worked(1);
        if (isUsedInForInitializerOrUpdater(getSelectedExpression().getAssociatedExpression()))
            return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.ExtractTempRefactoring_for_initializer_updater);
        pm.worked(1);
        if (isReferringToLocalVariableFromFor(getSelectedExpression().getAssociatedExpression()))
            return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.ExtractTempRefactoring_refers_to_for_variable);
        pm.worked(1);
        return result;
    } finally {
        pm.done();
    }
}

Example 25 with ClassInstanceCreation

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

the class ConvertAnonymousToNestedRefactoring method createNewClassInstanceCreation.

private ASTNode createNewClassInstanceCreation(CompilationUnitRewrite rewrite, ITypeBinding[] parameters) {
    AST ast = fAnonymousInnerClassNode.getAST();
    ClassInstanceCreation newClassCreation = ast.newClassInstanceCreation();
    newClassCreation.setAnonymousClassDeclaration(null);
    Type type = null;
    SimpleName newNameNode = ast.newSimpleName(fClassName);
    if (parameters.length > 0) {
        final ParameterizedType parameterized = ast.newParameterizedType(ast.newSimpleType(newNameNode));
        for (int index = 0; index < parameters.length; index++) parameterized.typeArguments().add(ast.newSimpleType(ast.newSimpleName(parameters[index].getName())));
        type = parameterized;
    } else
        type = ast.newSimpleType(newNameNode);
    newClassCreation.setType(type);
    copyArguments(rewrite, newClassCreation);
    addArgumentsForLocalsUsedInInnerClass(newClassCreation);
    addLinkedPosition(KEY_TYPE_NAME, newNameNode, rewrite.getASTRewrite(), true);
    return newClassCreation;
}