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

Example 26 with FieldAccess

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

the class ExtractMethodAnalyzer method endVisit.

@Override
public void endVisit(CompilationUnit node) {
    RefactoringStatus status = getStatus();
    superCall: {
        if (status.hasFatalError())
            break superCall;
        if (!hasSelectedNodes()) {
            ASTNode coveringNode = getLastCoveringNode();
            if (coveringNode instanceof Block && coveringNode.getParent() instanceof MethodDeclaration) {
                MethodDeclaration methodDecl = (MethodDeclaration) coveringNode.getParent();
                Message[] messages = ASTNodes.getMessages(methodDecl, ASTNodes.NODE_ONLY);
                if (messages.length > 0) {
                    status.addFatalError(Messages.format(RefactoringCoreMessages.ExtractMethodAnalyzer_compile_errors, BasicElementLabels.getJavaElementName(methodDecl.getName().getIdentifier())), JavaStatusContext.create(fCUnit, methodDecl));
                    break superCall;
                }
            }
            status.addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_invalid_selection);
            break superCall;
        }
        fEnclosingBodyDeclaration = (BodyDeclaration) ASTNodes.getParent(getFirstSelectedNode(), BodyDeclaration.class);
        if (fEnclosingBodyDeclaration == null || (fEnclosingBodyDeclaration.getNodeType() != ASTNode.METHOD_DECLARATION && fEnclosingBodyDeclaration.getNodeType() != ASTNode.FIELD_DECLARATION && fEnclosingBodyDeclaration.getNodeType() != ASTNode.INITIALIZER)) {
            status.addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_invalid_selection);
            break superCall;
        } else if (ASTNodes.getEnclosingType(fEnclosingBodyDeclaration) == null) {
            status.addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_compile_errors_no_parent_binding);
            break superCall;
        } else if (fEnclosingBodyDeclaration.getNodeType() == ASTNode.METHOD_DECLARATION) {
            fEnclosingMethodBinding = ((MethodDeclaration) fEnclosingBodyDeclaration).resolveBinding();
        }
        if (!isSingleExpressionOrStatementSet()) {
            status.addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_single_expression_or_set);
            break superCall;
        }
        if (isExpressionSelected()) {
            ASTNode expression = getFirstSelectedNode();
            if (expression instanceof Name) {
                Name name = (Name) expression;
                if (name.resolveBinding() instanceof ITypeBinding) {
                    status.addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_extract_type_reference);
                    break superCall;
                }
                if (name.resolveBinding() instanceof IMethodBinding) {
                    status.addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_extract_method_name_reference);
                    break superCall;
                }
                if (name.resolveBinding() instanceof IVariableBinding) {
                    StructuralPropertyDescriptor locationInParent = name.getLocationInParent();
                    if (locationInParent == QualifiedName.NAME_PROPERTY || (locationInParent == FieldAccess.NAME_PROPERTY && !(((FieldAccess) name.getParent()).getExpression() instanceof ThisExpression))) {
                        status.addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_extract_part_of_qualified_name);
                        break superCall;
                    }
                }
                if (name.isSimpleName() && ((SimpleName) name).isDeclaration()) {
                    status.addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_extract_name_in_declaration);
                    break superCall;
                }
            }
            fForceStatic = ASTNodes.getParent(expression, ASTNode.SUPER_CONSTRUCTOR_INVOCATION) != null || ASTNodes.getParent(expression, ASTNode.CONSTRUCTOR_INVOCATION) != null;
        }
        status.merge(LocalTypeAnalyzer.perform(fEnclosingBodyDeclaration, getSelection()));
        computeLastStatementSelected();
    }
    super.endVisit(node);
}

Example 27 with FieldAccess

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

the class ConvertAnonymousToNestedRefactoring method newFieldAssignment.

private Statement newFieldAssignment(AST ast, SimpleName fieldNameNode, Expression initializer, boolean useThisAccess) {
    Assignment assignment = ast.newAssignment();
    if (useThisAccess) {
        FieldAccess access = ast.newFieldAccess();
        access.setExpression(ast.newThisExpression());
        access.setName(fieldNameNode);
        assignment.setLeftHandSide(access);
    } else {
        assignment.setLeftHandSide(fieldNameNode);
    }
    assignment.setOperator(Assignment.Operator.ASSIGN);
    assignment.setRightHandSide(initializer);
    return ast.newExpressionStatement(assignment);
}

Example 28 with FieldAccess

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

the class ModifierCorrectionSubProcessor method addNonAccessibleReferenceProposal.

public static void addNonAccessibleReferenceProposal(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals, int kind, int relevance) throws CoreException {
    ICompilationUnit cu = context.getCompilationUnit();
    ASTNode selectedNode = problem.getCoveringNode(context.getASTRoot());
    if (selectedNode == null) {
        return;
    }
    IBinding binding = null;
    switch(selectedNode.getNodeType()) {
        case ASTNode.SIMPLE_NAME:
            binding = ((SimpleName) selectedNode).resolveBinding();
            break;
        case ASTNode.QUALIFIED_NAME:
            binding = ((QualifiedName) selectedNode).resolveBinding();
            break;
        case ASTNode.SIMPLE_TYPE:
            binding = ((SimpleType) selectedNode).resolveBinding();
            break;
        case ASTNode.NAME_QUALIFIED_TYPE:
            binding = ((NameQualifiedType) selectedNode).resolveBinding();
            break;
        case ASTNode.METHOD_INVOCATION:
            binding = ((MethodInvocation) selectedNode).getName().resolveBinding();
            break;
        case ASTNode.SUPER_METHOD_INVOCATION:
            binding = ((SuperMethodInvocation) selectedNode).getName().resolveBinding();
            break;
        case ASTNode.FIELD_ACCESS:
            binding = ((FieldAccess) selectedNode).getName().resolveBinding();
            break;
        case ASTNode.SUPER_FIELD_ACCESS:
            binding = ((SuperFieldAccess) selectedNode).getName().resolveBinding();
            break;
        case ASTNode.CLASS_INSTANCE_CREATION:
            binding = ((ClassInstanceCreation) selectedNode).resolveConstructorBinding();
            break;
        case ASTNode.SUPER_CONSTRUCTOR_INVOCATION:
            binding = ((SuperConstructorInvocation) selectedNode).resolveConstructorBinding();
            break;
        default:
            return;
    }
    ITypeBinding typeBinding = null;
    String name;
    IBinding bindingDecl;
    boolean isLocalVar = false;
    if (binding instanceof IVariableBinding && problem.getProblemId() == IProblem.NotVisibleType) {
        binding = ((IVariableBinding) binding).getType();
    }
    if (binding instanceof IMethodBinding && problem.getProblemId() == IProblem.NotVisibleType) {
        binding = ((IMethodBinding) binding).getReturnType();
    }
    if (binding instanceof IMethodBinding) {
        IMethodBinding methodDecl = (IMethodBinding) binding;
        if (methodDecl.isDefaultConstructor()) {
            //UnresolvedElementsSubProcessor.getConstructorProposals(context, problem, proposals);
            return;
        }
        bindingDecl = methodDecl.getMethodDeclaration();
        typeBinding = methodDecl.getDeclaringClass();
        //$NON-NLS-1$
        name = BasicElementLabels.getJavaElementName(methodDecl.getName() + "()");
    } else if (binding instanceof IVariableBinding) {
        IVariableBinding varDecl = (IVariableBinding) binding;
        typeBinding = varDecl.getDeclaringClass();
        name = BasicElementLabels.getJavaElementName(binding.getName());
        isLocalVar = !varDecl.isField();
        bindingDecl = varDecl.getVariableDeclaration();
    } else if (binding instanceof ITypeBinding) {
        typeBinding = (ITypeBinding) binding;
        bindingDecl = typeBinding.getTypeDeclaration();
        name = BasicElementLabels.getJavaElementName(binding.getName());
    } else {
        return;
    }
    if (typeBinding != null && typeBinding.isFromSource() || isLocalVar) {
        int includedModifiers = 0;
        int excludedModifiers = 0;
        String label;
        switch(kind) {
            case TO_VISIBLE:
                excludedModifiers = Modifier.PRIVATE | Modifier.PROTECTED | Modifier.PUBLIC;
                includedModifiers = getNeededVisibility(selectedNode, typeBinding, binding);
                label = Messages.format(CorrectionMessages.ModifierCorrectionSubProcessor_changevisibility_description, new String[] { name, getVisibilityString(includedModifiers) });
                break;
            case TO_STATIC:
                label = Messages.format(CorrectionMessages.ModifierCorrectionSubProcessor_changemodifiertostatic_description, name);
                includedModifiers = Modifier.STATIC;
                if (bindingDecl.getKind() == IBinding.METHOD) {
                    excludedModifiers = Modifier.DEFAULT | Modifier.ABSTRACT;
                }
                break;
            case TO_NON_STATIC:
                if (typeBinding != null && typeBinding.isInterface())
                    return;
                label = Messages.format(CorrectionMessages.ModifierCorrectionSubProcessor_changemodifiertononstatic_description, name);
                excludedModifiers = Modifier.STATIC;
                break;
            case TO_NON_PRIVATE:
                int visibility;
                if (cu.getParent().getElementName().equals(typeBinding.getPackage().getName())) {
                    visibility = Modifier.NONE;
                    excludedModifiers = Modifier.PRIVATE;
                } else {
                    visibility = Modifier.PUBLIC;
                    includedModifiers = Modifier.PUBLIC;
                    excludedModifiers = Modifier.PRIVATE | Modifier.PROTECTED | Modifier.PUBLIC;
                }
                label = Messages.format(CorrectionMessages.ModifierCorrectionSubProcessor_changevisibility_description, new String[] { name, getVisibilityString(visibility) });
                break;
            case TO_NON_FINAL:
                if (typeBinding != null && typeBinding.isInterface())
                    return;
                label = Messages.format(CorrectionMessages.ModifierCorrectionSubProcessor_changemodifiertononfinal_description, name);
                excludedModifiers = Modifier.FINAL;
                break;
            default:
                //$NON-NLS-1$
                throw new IllegalArgumentException("not supported");
        }
        ICompilationUnit targetCU = isLocalVar ? cu : ASTResolving.findCompilationUnitForBinding(cu, context.getASTRoot(), typeBinding.getTypeDeclaration());
        if (targetCU != null) {
            //Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
            proposals.add(new ModifierChangeCorrectionProposal(label, targetCU, bindingDecl, selectedNode, includedModifiers, excludedModifiers, relevance));
        }
    }
    if (kind == TO_VISIBLE && bindingDecl.getKind() == IBinding.VARIABLE) {
    //			UnresolvedElementsSubProcessor.getVariableProposals(context, problem, (IVariableBinding) bindingDecl, proposals);
    }
}

Example 29 with FieldAccess

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

the class StubUtility method getBaseNameFromExpression.

private static String getBaseNameFromExpression(IJavaProject project, Expression assignedExpression, int variableKind) {
    String name = null;
    if (assignedExpression instanceof CastExpression) {
        assignedExpression = ((CastExpression) assignedExpression).getExpression();
    }
    if (assignedExpression instanceof Name) {
        Name simpleNode = (Name) assignedExpression;
        IBinding binding = simpleNode.resolveBinding();
        if (binding instanceof IVariableBinding)
            return getBaseName((IVariableBinding) binding, project);
        return ASTNodes.getSimpleNameIdentifier(simpleNode);
    } else if (assignedExpression instanceof MethodInvocation) {
        name = ((MethodInvocation) assignedExpression).getName().getIdentifier();
    } else if (assignedExpression instanceof SuperMethodInvocation) {
        name = ((SuperMethodInvocation) assignedExpression).getName().getIdentifier();
    } else if (assignedExpression instanceof FieldAccess) {
        return ((FieldAccess) assignedExpression).getName().getIdentifier();
    } else if (variableKind == NamingConventions.VK_STATIC_FINAL_FIELD && (assignedExpression instanceof StringLiteral || assignedExpression instanceof NumberLiteral)) {
        String string = assignedExpression instanceof StringLiteral ? ((StringLiteral) assignedExpression).getLiteralValue() : ((NumberLiteral) assignedExpression).getToken();
        StringBuffer res = new StringBuffer();
        boolean needsUnderscore = false;
        for (int i = 0; i < string.length(); i++) {
            char ch = string.charAt(i);
            if (Character.isJavaIdentifierPart(ch)) {
                if (res.length() == 0 && !Character.isJavaIdentifierStart(ch) || needsUnderscore) {
                    res.append('_');
                }
                res.append(ch);
                needsUnderscore = false;
            } else {
                needsUnderscore = res.length() > 0;
            }
        }
        if (res.length() > 0) {
            return res.toString();
        }
    }
    if (name != null) {
        for (int i = 0; i < KNOWN_METHOD_NAME_PREFIXES.length; i++) {
            String curr = KNOWN_METHOD_NAME_PREFIXES[i];
            if (name.startsWith(curr)) {
                if (name.equals(curr)) {
                    // don't suggest 'get' as variable name
                    return null;
                } else if (Character.isUpperCase(name.charAt(curr.length()))) {
                    return name.substring(curr.length());
                }
            }
        }
    }
    return name;
}

Example 30 with FieldAccess

use of org.eclipse.jdt.core.dom.FieldAccess in project processing by processing.

the class CompletionGenerator method resolveExpression3rdParty.

/**
   * Finds the type of the expression in foo.bar().a().b, this would give me the
   * type of b if it exists in return type of a(). If noCompare is true,
   * it'll return type of a()
   * @param nearestNode
   * @param astNode
   * @return
   */
public static ClassMember resolveExpression3rdParty(PreprocessedSketch ps, ASTNode nearestNode, ASTNode astNode, boolean noCompare) {
    log("Resolve 3rdParty expr-- " + getNodeAsString(astNode) + " nearest node " + getNodeAsString(nearestNode));
    if (astNode == null)
        return null;
    ClassMember scopeParent;
    SimpleType stp;
    if (astNode instanceof SimpleName) {
        ASTNode decl = findDeclaration2(((SimpleName) astNode), nearestNode);
        if (decl != null) {
            // see if locally defined
            log(getNodeAsString(astNode) + " found decl -> " + getNodeAsString(decl));
            {
                if (decl.getNodeType() == ASTNode.TYPE_DECLARATION) {
                    TypeDeclaration td = (TypeDeclaration) decl;
                    return new ClassMember(ps, td);
                }
            }
            {
                // Handle "array." x "array[1]."
                Type type = extracTypeInfo2(decl);
                if (type != null && type.isArrayType() && astNode.getParent().getNodeType() != ASTNode.ARRAY_ACCESS) {
                    // No array access, we want members of the array itself
                    Type elementType = ((ArrayType) type).getElementType();
                    // Get name of the element class
                    String name = "";
                    if (elementType.isSimpleType()) {
                        Class<?> c = findClassIfExists(ps, elementType.toString());
                        if (c != null)
                            name = c.getName();
                    } else if (elementType.isPrimitiveType()) {
                        name = ((PrimitiveType) elementType).getPrimitiveTypeCode().toString();
                    }
                    // Convert element class to array class
                    Class<?> arrayClass = getArrayClass(name, ps.classLoader);
                    return arrayClass == null ? null : new ClassMember(arrayClass);
                }
            }
            return new ClassMember(ps, extracTypeInfo(decl));
        } else {
            // or in a predefined class?
            Class<?> tehClass = findClassIfExists(ps, astNode.toString());
            if (tehClass != null) {
                return new ClassMember(tehClass);
            }
        }
        astNode = astNode.getParent();
    }
    switch(astNode.getNodeType()) {
        //TODO: Notice the redundancy in the 3 cases, you can simplify things even more.
        case ASTNode.FIELD_ACCESS:
            FieldAccess fa = (FieldAccess) astNode;
            if (fa.getExpression() == null) {
                // TODO: Check for existence of 'new' keyword. Could be a ClassInstanceCreation
                // Local code or belongs to super class
                log("FA,Not implemented.");
                return null;
            } else {
                if (fa.getExpression() instanceof SimpleName) {
                    stp = extracTypeInfo(findDeclaration2((SimpleName) fa.getExpression(), nearestNode));
                    if (stp == null) {
                        /*The type wasn't found in local code, so it might be something like
             * log(), or maybe belonging to super class, etc.
             */
                        Class<?> tehClass = findClassIfExists(ps, fa.getExpression().toString());
                        if (tehClass != null) {
                            // so look for method in this class.
                            return definedIn3rdPartyClass(ps, new ClassMember(tehClass), fa.getName().toString());
                        }
                        log("FA resolve 3rd par, Can't resolve " + fa.getExpression());
                        return null;
                    }
                    log("FA, SN Type " + getNodeAsString(stp));
                    scopeParent = definedIn3rdPartyClass(ps, stp.getName().toString(), "THIS");
                } else {
                    scopeParent = resolveExpression3rdParty(ps, nearestNode, fa.getExpression(), noCompare);
                }
                log("FA, ScopeParent " + scopeParent);
                return definedIn3rdPartyClass(ps, scopeParent, fa.getName().toString());
            }
        case ASTNode.METHOD_INVOCATION:
            MethodInvocation mi = (MethodInvocation) astNode;
            ASTNode temp = findDeclaration2(mi.getName(), nearestNode);
            if (temp instanceof MethodDeclaration) {
                // method is locally defined
                log(mi.getName() + " was found locally," + getNodeAsString(extracTypeInfo(temp)));
                {
                    // Handle "array." x "array[1]."
                    Type type = extracTypeInfo2(temp);
                    if (type != null && type.isArrayType() && astNode.getParent().getNodeType() != ASTNode.ARRAY_ACCESS) {
                        // No array access, we want members of the array itself
                        Type elementType = ((ArrayType) type).getElementType();
                        // Get name of the element class
                        String name = "";
                        if (elementType.isSimpleType()) {
                            Class<?> c = findClassIfExists(ps, elementType.toString());
                            if (c != null)
                                name = c.getName();
                        } else if (elementType.isPrimitiveType()) {
                            name = ((PrimitiveType) elementType).getPrimitiveTypeCode().toString();
                        }
                        // Convert element class to array class
                        Class<?> arrayClass = getArrayClass(name, ps.classLoader);
                        return arrayClass == null ? null : new ClassMember(arrayClass);
                    }
                }
                return new ClassMember(ps, extracTypeInfo(temp));
            }
            if (mi.getExpression() == null) {
                //        if()
                //Local code or belongs to super class
                log("MI,Not implemented.");
                return null;
            } else {
                if (mi.getExpression() instanceof SimpleName) {
                    ASTNode decl = findDeclaration2((SimpleName) mi.getExpression(), nearestNode);
                    if (decl != null) {
                        if (decl.getNodeType() == ASTNode.TYPE_DECLARATION) {
                            TypeDeclaration td = (TypeDeclaration) decl;
                            return new ClassMember(ps, td);
                        }
                        stp = extracTypeInfo(decl);
                        if (stp == null) {
                            /*The type wasn't found in local code, so it might be something like
             * System.console()., or maybe belonging to super class, etc.
             */
                            Class<?> tehClass = findClassIfExists(ps, mi.getExpression().toString());
                            if (tehClass != null) {
                                // so look for method in this class.
                                return definedIn3rdPartyClass(ps, new ClassMember(tehClass), mi.getName().toString());
                            }
                            log("MI resolve 3rd par, Can't resolve " + mi.getExpression());
                            return null;
                        }
                        log("MI, SN Type " + getNodeAsString(stp));
                        ASTNode typeDec = findDeclaration2(stp.getName(), nearestNode);
                        if (typeDec == null) {
                            log(stp.getName() + " couldn't be found locally..");
                            Class<?> tehClass = findClassIfExists(ps, stp.getName().toString());
                            if (tehClass != null) {
                                // so look for method in this class.
                                return definedIn3rdPartyClass(ps, new ClassMember(tehClass), mi.getName().toString());
                            }
                        //return new ClassMember(findClassIfExists(stp.getName().toString()));
                        }
                        //scopeParent = definedIn3rdPartyClass(stp.getName().toString(), "THIS");
                        return definedIn3rdPartyClass(ps, new ClassMember(ps, typeDec), mi.getName().toString());
                    }
                } else {
                    log("MI EXP.." + getNodeAsString(mi.getExpression()));
                    //          return null;
                    scopeParent = resolveExpression3rdParty(ps, nearestNode, mi.getExpression(), noCompare);
                    log("MI, ScopeParent " + scopeParent);
                    return definedIn3rdPartyClass(ps, scopeParent, mi.getName().toString());
                }
            }
            break;
        case ASTNode.QUALIFIED_NAME:
            QualifiedName qn = (QualifiedName) astNode;
            ASTNode temp2 = findDeclaration2(qn.getName(), nearestNode);
            if (temp2 instanceof FieldDeclaration) {
                // field is locally defined
                log(qn.getName() + " was found locally," + getNodeAsString(extracTypeInfo(temp2)));
                return new ClassMember(ps, extracTypeInfo(temp2));
            }
            if (qn.getQualifier() == null) {
                log("QN,Not implemented.");
                return null;
            } else {
                if (qn.getQualifier() instanceof SimpleName) {
                    stp = extracTypeInfo(findDeclaration2(qn.getQualifier(), nearestNode));
                    if (stp == null) {
                        /*The type wasn't found in local code, so it might be something like
             * log(), or maybe belonging to super class, etc.
             */
                        Class<?> tehClass = findClassIfExists(ps, qn.getQualifier().toString());
                        if (tehClass != null) {
                            // note how similar thing is called on line 690. Check check.
                            return definedIn3rdPartyClass(ps, new ClassMember(tehClass), qn.getName().toString());
                        }
                        log("QN resolve 3rd par, Can't resolve " + qn.getQualifier());
                        return null;
                    }
                    log("QN, SN Local Type " + getNodeAsString(stp));
                    //scopeParent = definedIn3rdPartyClass(stp.getName().toString(), "THIS");
                    ASTNode typeDec = findDeclaration2(stp.getName(), nearestNode);
                    if (typeDec == null) {
                        log(stp.getName() + " couldn't be found locally..");
                        Class<?> tehClass = findClassIfExists(ps, stp.getName().toString());
                        if (tehClass != null) {
                            // note how similar thing is called on line 690. Check check.
                            return definedIn3rdPartyClass(ps, new ClassMember(tehClass), qn.getName().toString());
                        }
                        log("QN resolve 3rd par, Can't resolve " + qn.getQualifier());
                        return null;
                    }
                    return definedIn3rdPartyClass(ps, new ClassMember(ps, typeDec), qn.getName().toString());
                } else {
                    scopeParent = resolveExpression3rdParty(ps, nearestNode, qn.getQualifier(), noCompare);
                    log("QN, ScopeParent " + scopeParent);
                    return definedIn3rdPartyClass(ps, scopeParent, qn.getName().toString());
                }
            }
        case ASTNode.ARRAY_ACCESS:
            ArrayAccess arac = (ArrayAccess) astNode;
            return resolveExpression3rdParty(ps, nearestNode, arac.getArray(), noCompare);
        default:
            log("Unaccounted type " + getNodeAsString(astNode));
            break;
    }
    return null;
}