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

Example 6 with SwitchCase

use of org.eclipse.jdt.core.dom.SwitchCase 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 7 with SwitchCase

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

the class StatementAnalyzer method endVisit.

/* (non-Javadoc)
	 * Method declared in ASTVisitor
	 */
@Override
public void endVisit(SwitchStatement node) {
    ASTNode[] selectedNodes = getSelectedNodes();
    if (doAfterValidation(node, selectedNodes)) {
        List<SwitchCase> cases = getSwitchCases(node);
        for (int i = 0; i < selectedNodes.length; i++) {
            ASTNode topNode = selectedNodes[i];
            if (cases.contains(topNode)) {
                invalidSelection(RefactoringCoreMessages.StatementAnalyzer_switch_statement);
                break;
            }
        }
    }
    super.endVisit(node);
}