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

Example 6 with QualifiedName

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

the class CodeStyleFix method createToStaticAccessOperations.

private static ToStaticAccessOperation[] createToStaticAccessOperations(CompilationUnit astRoot, HashMap<ASTNode, Block> createdBlocks, IProblemLocation problem, boolean conservative) {
    ASTNode selectedNode = problem.getCoveringNode(astRoot);
    if (selectedNode == null) {
        return null;
    }
    Expression qualifier = null;
    IBinding accessBinding = null;
    if (selectedNode instanceof SimpleName) {
        selectedNode = selectedNode.getParent();
    }
    if (selectedNode instanceof QualifiedName) {
        QualifiedName name = (QualifiedName) selectedNode;
        qualifier = name.getQualifier();
        accessBinding = name.resolveBinding();
    } else if (selectedNode instanceof MethodInvocation) {
        MethodInvocation methodInvocation = (MethodInvocation) selectedNode;
        qualifier = methodInvocation.getExpression();
        accessBinding = methodInvocation.getName().resolveBinding();
    } else if (selectedNode instanceof FieldAccess) {
        FieldAccess fieldAccess = (FieldAccess) selectedNode;
        qualifier = fieldAccess.getExpression();
        accessBinding = fieldAccess.getName().resolveBinding();
    }
    if (accessBinding != null && qualifier != null) {
        if (conservative && ASTResolving.findParentStatement(qualifier) == null)
            return null;
        ToStaticAccessOperation declaring = null;
        ITypeBinding declaringTypeBinding = getDeclaringTypeBinding(accessBinding);
        if (declaringTypeBinding != null) {
            // use generic to avoid any type arguments
            declaringTypeBinding = declaringTypeBinding.getTypeDeclaration();
            declaring = new ToStaticAccessOperation(declaringTypeBinding, qualifier, createdBlocks);
        }
        ToStaticAccessOperation instance = null;
        ITypeBinding instanceTypeBinding = Bindings.normalizeTypeBinding(qualifier.resolveTypeBinding());
        if (instanceTypeBinding != null) {
            // use generic to avoid any type arguments
            instanceTypeBinding = instanceTypeBinding.getTypeDeclaration();
            if (instanceTypeBinding.getTypeDeclaration() != declaringTypeBinding) {
                instance = new ToStaticAccessOperation(instanceTypeBinding, qualifier, createdBlocks);
            }
        }
        if (declaring != null && instance != null) {
            return new ToStaticAccessOperation[] { declaring, instance };
        } else {
            return new ToStaticAccessOperation[] { declaring };
        }
    }
    return null;
}

Example 7 with QualifiedName

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

the class ConvertForLoopOperation method validateLengthQuery.

/*
	 * Must be one of:
	 * <ul>
	 * <li>[result].length</li>
	 * </ul>
	 */
private boolean validateLengthQuery(Expression lengthQuery) {
    if (lengthQuery instanceof QualifiedName) {
        QualifiedName qualifiedName = (QualifiedName) lengthQuery;
        SimpleName name = qualifiedName.getName();
        if (!LENGTH_QUERY.equals(name.getIdentifier()))
            return false;
        Name arrayAccess = qualifiedName.getQualifier();
        ITypeBinding accessType = arrayAccess.resolveTypeBinding();
        if (accessType == null)
            return false;
        if (!accessType.isArray())
            return false;
        IBinding arrayBinding = arrayAccess.resolveBinding();
        if (arrayBinding == null)
            return false;
        fArrayBinding = arrayBinding;
        fArrayAccess = arrayAccess;
        return true;
    } else if (lengthQuery instanceof FieldAccess) {
        FieldAccess fieldAccess = (FieldAccess) lengthQuery;
        SimpleName name = fieldAccess.getName();
        if (!LENGTH_QUERY.equals(name.getIdentifier()))
            return false;
        Expression arrayAccess = fieldAccess.getExpression();
        ITypeBinding accessType = arrayAccess.resolveTypeBinding();
        if (accessType == null)
            return false;
        if (!accessType.isArray())
            return false;
        IBinding arrayBinding = getBinding(arrayAccess);
        if (arrayBinding == null)
            return false;
        fArrayBinding = arrayBinding;
        fArrayAccess = arrayAccess;
        return true;
    }
    return false;
}

Example 8 with QualifiedName

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

the class UnusedCodeFix method hasSideEffect.

private static boolean hasSideEffect(SimpleName reference) {
    ASTNode parent = reference.getParent();
    while (parent instanceof QualifiedName) {
        parent = parent.getParent();
    }
    if (parent instanceof FieldAccess) {
        parent = parent.getParent();
    }
    ASTNode node = null;
    int nameParentType = parent.getNodeType();
    if (nameParentType == ASTNode.ASSIGNMENT) {
        Assignment assignment = (Assignment) parent;
        node = assignment.getRightHandSide();
    } else if (nameParentType == ASTNode.SINGLE_VARIABLE_DECLARATION) {
        SingleVariableDeclaration decl = (SingleVariableDeclaration) parent;
        node = decl.getInitializer();
        if (node == null)
            return false;
    } else if (nameParentType == ASTNode.VARIABLE_DECLARATION_FRAGMENT) {
        node = parent;
    } else {
        return false;
    }
    ArrayList<Expression> sideEffects = new ArrayList<Expression>();
    node.accept(new SideEffectFinder(sideEffects));
    return sideEffects.size() > 0;
}

Example 9 with QualifiedName

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

the class ConvertAnonymousToNestedRefactoring method getAllAccessedFields.

private List<IBinding> getAllAccessedFields() {
    final List<IBinding> accessedFields = new ArrayList<IBinding>();
    ASTVisitor visitor = new ASTVisitor() {

        @Override
        public boolean visit(FieldAccess node) {
            final IVariableBinding binding = node.resolveFieldBinding();
            if (binding != null && !binding.isEnumConstant())
                accessedFields.add(binding);
            return super.visit(node);
        }

        @Override
        public boolean visit(QualifiedName node) {
            final IBinding binding = node.resolveBinding();
            if (binding != null && binding instanceof IVariableBinding) {
                IVariableBinding variable = (IVariableBinding) binding;
                if (!variable.isEnumConstant() && variable.isField())
                    accessedFields.add(binding);
            }
            return super.visit(node);
        }

        @Override
        public boolean visit(SimpleName node) {
            final IBinding binding = node.resolveBinding();
            if (binding != null && binding instanceof IVariableBinding) {
                IVariableBinding variable = (IVariableBinding) binding;
                if (!variable.isEnumConstant() && variable.isField())
                    accessedFields.add(binding);
            }
            return super.visit(node);
        }

        @Override
        public boolean visit(SuperFieldAccess node) {
            final IVariableBinding binding = node.resolveFieldBinding();
            if (binding != null && !binding.isEnumConstant())
                accessedFields.add(binding);
            return super.visit(node);
        }
    };
    fAnonymousInnerClassNode.accept(visitor);
    return accessedFields;
}

Example 10 with QualifiedName

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

the class ExtractConstantRefactoring method checkExpression.

private RefactoringStatus checkExpression() throws JavaModelException {
    RefactoringStatus result = new RefactoringStatus();
    result.merge(checkExpressionBinding());
    if (result.hasFatalError())
        return result;
    checkAllStaticFinal();
    IExpressionFragment selectedExpression = getSelectedExpression();
    Expression associatedExpression = selectedExpression.getAssociatedExpression();
    if (associatedExpression instanceof NullLiteral)
        result.merge(RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.ExtractConstantRefactoring_null_literals));
    else if (!ConstantChecks.isLoadTimeConstant(selectedExpression))
        result.merge(RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.ExtractConstantRefactoring_not_load_time_constant));
    else if (associatedExpression instanceof SimpleName) {
        if (associatedExpression.getParent() instanceof QualifiedName && associatedExpression.getLocationInParent() == QualifiedName.NAME_PROPERTY || associatedExpression.getParent() instanceof FieldAccess && associatedExpression.getLocationInParent() == FieldAccess.NAME_PROPERTY)
            return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.ExtractConstantRefactoring_select_expression);
    }
    return result;
}