Example usage for org.eclipse.jdt.core.dom SwitchCase EXPRESSION_PROPERTY

List of usage examples for org.eclipse.jdt.core.dom SwitchCase EXPRESSION_PROPERTY

Introduction

In this page you can find the example usage for org.eclipse.jdt.core.dom SwitchCase EXPRESSION_PROPERTY.

Prototype

ChildPropertyDescriptor EXPRESSION_PROPERTY

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Document

The "expression" structural property of this node type (child type: Expression ).

Usage

From source file:com.intel.ide.eclipse.mpt.ast.UnresolvedElementsSubProcessor.java

License:Open Source License

public static void getVariableProposals(IInvocationContext context, IProblemLocation problem,
        IVariableBinding resolvedField, Map<String, Map> proposals) throws CoreException {

    ICompilationUnit cu = context.getCompilationUnit();

    CompilationUnit astRoot = context.getASTRoot();
    ASTNode selectedNode = problem.getCoveredNode(astRoot);
    if (selectedNode == null) {
        return;/*from ww w  .  j  a  v  a2  s .  c o  m*/
    }

    // type that defines the variable
    ITypeBinding binding = null;
    ITypeBinding declaringTypeBinding = Bindings.getBindingOfParentTypeContext(selectedNode);
    if (declaringTypeBinding == null) {
        return;
    }

    // possible type kind of the node
    boolean suggestVariableProposals = true;
    while (selectedNode instanceof ParenthesizedExpression) {
        selectedNode = ((ParenthesizedExpression) selectedNode).getExpression();
    }

    Name node = null;

    switch (selectedNode.getNodeType()) {
    case ASTNode.SIMPLE_NAME:
        node = (SimpleName) selectedNode;

        if (!isVariableProposalSafe(node))
            return;
        ASTNode parent = node.getParent();
        StructuralPropertyDescriptor locationInParent = node.getLocationInParent();
        if (locationInParent == MethodInvocation.EXPRESSION_PROPERTY) {
        } else if (locationInParent == FieldAccess.NAME_PROPERTY) {
            Expression expression = ((FieldAccess) parent).getExpression();
            if (expression != null) {
                binding = expression.resolveTypeBinding();
                if (binding == null) {
                    node = null;
                }
            }
        } else if (parent instanceof SimpleType) {
            suggestVariableProposals = false;
        } else if (parent instanceof QualifiedName) {
            Name qualifier = ((QualifiedName) parent).getQualifier();
            if (qualifier != node) {
                binding = qualifier.resolveTypeBinding();
            } else {
            }
            ASTNode outerParent = parent.getParent();
            while (outerParent instanceof QualifiedName) {
                outerParent = outerParent.getParent();
            }
            if (outerParent instanceof SimpleType) {
                suggestVariableProposals = false;
            }
        } else if (locationInParent == SwitchCase.EXPRESSION_PROPERTY) {
            ITypeBinding switchExp = ((SwitchStatement) node.getParent().getParent()).getExpression()
                    .resolveTypeBinding();
            if (switchExp != null && switchExp.isEnum()) {
                binding = switchExp;
            }
        } else if (locationInParent == SuperFieldAccess.NAME_PROPERTY) {
            binding = declaringTypeBinding.getSuperclass();
        }
        break;
    case ASTNode.QUALIFIED_NAME:
        QualifiedName qualifierName = (QualifiedName) selectedNode;
        ITypeBinding qualifierBinding = qualifierName.getQualifier().resolveTypeBinding();
        if (qualifierBinding != null) {
            node = qualifierName.getName();
            binding = qualifierBinding;
        } else {
            node = qualifierName.getQualifier();
            suggestVariableProposals = node.isSimpleName();
        }
        if (selectedNode.getParent() instanceof SimpleType) {
            suggestVariableProposals = false;
        }
        break;
    case ASTNode.FIELD_ACCESS:
        FieldAccess access = (FieldAccess) selectedNode;
        Expression expression = access.getExpression();
        if (expression != null) {
            binding = expression.resolveTypeBinding();
            if (binding != null) {
                node = access.getName();
            }
        }
        break;
    case ASTNode.SUPER_FIELD_ACCESS:
        binding = declaringTypeBinding.getSuperclass();
        node = ((SuperFieldAccess) selectedNode).getName();
        break;
    default:
    }

    if (node == null) {
        return;
    }

    if (!suggestVariableProposals) {
        return;
    }

    SimpleName simpleName = node.isSimpleName() ? (SimpleName) node : ((QualifiedName) node).getName();
    boolean isWriteAccess = ASTResolving.isWriteAccess(node);

    if (resolvedField == null || binding == null
            || resolvedField.getDeclaringClass() != binding.getTypeDeclaration()
                    && Modifier.isPrivate(resolvedField.getModifiers())) {

        // new fields
        addNewFieldProposals(cu, astRoot, binding, declaringTypeBinding, simpleName, isWriteAccess, proposals);
    }
}

From source file:edu.illinois.jflow.core.transformations.code.ExtractClosureAnalyzer.java

License:Open Source License

private void checkExpression(RefactoringStatus status) {
    ASTNode[] nodes = getSelectedNodes();
    if (nodes != null && nodes.length == 1) {
        ASTNode node = nodes[0];/*from  ww w  . j  a  v a2  s. com*/
        if (node instanceof Type) {
            status.addFatalError(
                    JFlowRefactoringCoreMessages.ExtractClosureAnalyzer_cannot_extract_type_reference,
                    JavaStatusContext.create(fCUnit, node));
        } else if (node.getLocationInParent() == SwitchCase.EXPRESSION_PROPERTY) {
            status.addFatalError(JFlowRefactoringCoreMessages.ExtractClosureAnalyzer_cannot_extract_switch_case,
                    JavaStatusContext.create(fCUnit, node));
        } else if (node instanceof Annotation || ASTNodes.getParent(node, Annotation.class) != null) {
            status.addFatalError(
                    JFlowRefactoringCoreMessages.ExtractClosureAnalyzer_cannot_extract_from_annotation,
                    JavaStatusContext.create(fCUnit, node));
        }
    }
}

From source file:org.eclipse.ajdt.internal.ui.editor.quickfix.UnresolvedElementsSubProcessor.java

License:Open Source License

public static void getVariableProposals(IInvocationContext context, IProblemLocation problem,
        IVariableBinding resolvedField, Collection proposals) throws CoreException {

    ICompilationUnit cu = context.getCompilationUnit();

    CompilationUnit astRoot = context.getASTRoot();
    ASTNode selectedNode = problem.getCoveredNode(astRoot);
    if (selectedNode == null) {
        return;/*from   w w  w  . j  a v a2s  .  c om*/
    }

    // type that defines the variable
    ITypeBinding binding = null;
    ITypeBinding declaringTypeBinding = Bindings.getBindingOfParentTypeContext(selectedNode);
    if (declaringTypeBinding == null) {
        return;
    }

    // possible type kind of the node
    boolean suggestVariableProposals = true;
    int typeKind = 0;

    while (selectedNode instanceof ParenthesizedExpression) {
        selectedNode = ((ParenthesizedExpression) selectedNode).getExpression();
    }

    Name node = null;

    switch (selectedNode.getNodeType()) {
    case ASTNode.SIMPLE_NAME:
        node = (SimpleName) selectedNode;
        ASTNode parent = node.getParent();
        StructuralPropertyDescriptor locationInParent = node.getLocationInParent();
        if (locationInParent == MethodInvocation.EXPRESSION_PROPERTY) {
            typeKind = SimilarElementsRequestor.CLASSES;
        } else if (locationInParent == FieldAccess.NAME_PROPERTY) {
            Expression expression = ((FieldAccess) parent).getExpression();
            if (expression != null) {
                binding = expression.resolveTypeBinding();
                if (binding == null) {
                    node = null;
                }
            }
        } else if (parent instanceof SimpleType) {
            suggestVariableProposals = false;
            typeKind = SimilarElementsRequestor.REF_TYPES;
        } else if (parent instanceof QualifiedName) {
            Name qualifier = ((QualifiedName) parent).getQualifier();
            if (qualifier != node) {
                binding = qualifier.resolveTypeBinding();
            } else {
                typeKind = SimilarElementsRequestor.REF_TYPES & ~SimilarElementsRequestor.VARIABLES;
            }
            ASTNode outerParent = parent.getParent();
            while (outerParent instanceof QualifiedName) {
                outerParent = outerParent.getParent();
            }
            if (outerParent instanceof SimpleType) {
                typeKind = SimilarElementsRequestor.REF_TYPES & ~SimilarElementsRequestor.VARIABLES;
                suggestVariableProposals = false;
            }
        } else if (locationInParent == SwitchCase.EXPRESSION_PROPERTY) {
            ITypeBinding switchExp = ((SwitchStatement) node.getParent().getParent()).getExpression()
                    .resolveTypeBinding();
            if (switchExp != null && switchExp.isEnum()) {
                binding = switchExp;
            }
        } else if (locationInParent == SuperFieldAccess.NAME_PROPERTY) {
            binding = declaringTypeBinding.getSuperclass();
        }
        break;
    case ASTNode.QUALIFIED_NAME:
        QualifiedName qualifierName = (QualifiedName) selectedNode;
        ITypeBinding qualifierBinding = qualifierName.getQualifier().resolveTypeBinding();
        if (qualifierBinding != null) {
            node = qualifierName.getName();
            binding = qualifierBinding;
        } else {
            node = qualifierName.getQualifier();
            typeKind = SimilarElementsRequestor.REF_TYPES & ~SimilarElementsRequestor.VARIABLES;
            suggestVariableProposals = node.isSimpleName();
        }
        if (selectedNode.getParent() instanceof SimpleType) {
            typeKind = SimilarElementsRequestor.REF_TYPES & ~SimilarElementsRequestor.VARIABLES;
            suggestVariableProposals = false;
        }
        break;
    case ASTNode.FIELD_ACCESS:
        FieldAccess access = (FieldAccess) selectedNode;
        Expression expression = access.getExpression();
        if (expression != null) {
            binding = expression.resolveTypeBinding();
            if (binding != null) {
                node = access.getName();
            }
        }
        break;
    case ASTNode.SUPER_FIELD_ACCESS:
        binding = declaringTypeBinding.getSuperclass();
        node = ((SuperFieldAccess) selectedNode).getName();
        break;
    default:
    }

    if (node == null) {
        return;
    }

    // add type proposals
    if (typeKind != 0) {
        if (!JavaModelUtil.is50OrHigher(cu.getJavaProject())) {
            typeKind = typeKind & ~(SimilarElementsRequestor.ANNOTATIONS | SimilarElementsRequestor.ENUMS
                    | SimilarElementsRequestor.VARIABLES);
        }

        int relevance = Character.isUpperCase(ASTNodes.getSimpleNameIdentifier(node).charAt(0)) ? 5 : -2;
        addSimilarTypeProposals(typeKind, cu, node, relevance + 1, proposals);
        addNewTypeProposals(cu, node, typeKind, relevance, proposals);
    }

    if (!suggestVariableProposals) {
        return;
    }

    SimpleName simpleName = node.isSimpleName() ? (SimpleName) node : ((QualifiedName) node).getName();
    boolean isWriteAccess = ASTResolving.isWriteAccess(node);

    // similar variables
    addSimilarVariableProposals(cu, astRoot, binding, simpleName, isWriteAccess, proposals);

    if (resolvedField == null || binding == null
            || resolvedField.getDeclaringClass() != binding.getTypeDeclaration()
                    && Modifier.isPrivate(resolvedField.getModifiers())) {

        // new fields
        addNewFieldProposals(cu, astRoot, binding, declaringTypeBinding, simpleName, isWriteAccess, proposals);

        // new parameters and local variables
        if (binding == null) {
            addNewVariableProposals(cu, node, simpleName, proposals);
        }
    }
}

From source file:org.eclipse.scout.sdk.saml.importer.internal.jdt.imports.ScopeAnalyzer.java

License:Open Source License

public IBinding[] getDeclarationsInScope(SimpleName selector, int flags) {
    try {/*from   www . j a  v a  2  s .c o m*/
        // special case for switch on enum
        if (selector.getLocationInParent() == SwitchCase.EXPRESSION_PROPERTY) {
            ITypeBinding binding = ((SwitchStatement) selector.getParent().getParent()).getExpression()
                    .resolveTypeBinding();
            if (binding != null && binding.isEnum()) {
                return getEnumContants(binding);
            }
        }

        ITypeBinding parentTypeBinding = OrganizeImportsHelper.getBindingOfParentType(selector);
        if (parentTypeBinding != null) {
            ITypeBinding binding = getQualifier(selector);
            DefaultBindingRequestor requestor = new DefaultBindingRequestor(parentTypeBinding, flags);
            if (binding == null) {
                addLocalDeclarations(selector, flags, requestor);
                addTypeDeclarations(parentTypeBinding, flags, requestor);
            } else {
                addInherited(binding, flags, requestor);
            }

            List<IBinding> result = requestor.getResult();
            return result.toArray(new IBinding[result.size()]);
        }
        return NO_BINDING;
    } finally {
        clearLists();
    }
}

From source file:org.eclipse.scout.sdk.saml.importer.internal.jdt.imports.ScopeAnalyzer.java

License:Open Source License

public boolean isDeclaredInScope(IBinding declaration, SimpleName selector, int flags) {
    try {/*from   w w w . ja  v a 2 s  . c  o  m*/
        // special case for switch on enum
        if (selector.getLocationInParent() == SwitchCase.EXPRESSION_PROPERTY) {
            ITypeBinding binding = ((SwitchStatement) selector.getParent().getParent()).getExpression()
                    .resolveTypeBinding();
            if (binding != null && binding.isEnum()) {
                return hasEnumContants(declaration, binding.getTypeDeclaration());
            }
        }

        ITypeBinding parentTypeBinding = OrganizeImportsHelper.getBindingOfParentTypeContext(selector);
        if (parentTypeBinding != null) {
            ITypeBinding binding = getQualifier(selector);
            SearchRequestor requestor = new SearchRequestor(declaration, parentTypeBinding, flags);
            if (binding == null) {
                addLocalDeclarations(selector, flags, requestor);
                if (requestor.found())
                    return requestor.isVisible();
                addTypeDeclarations(parentTypeBinding, flags, requestor);
                if (requestor.found())
                    return requestor.isVisible();
            } else {
                addInherited(binding, flags, requestor);
                if (requestor.found())
                    return requestor.isVisible();
            }
        }
        return false;
    } finally {
        clearLists();
    }
}