Java Code Examples for org.eclipse.jdt.core.dom.ASTNode#METHOD_DECLARATION

private static ASTNode checkNode(ASTNode node) {
		if (node == null)
			return null;
		if (node.getNodeType() == ASTNode.SIMPLE_NAME) {
			node= node.getParent();
		} else if (node.getNodeType() == ASTNode.EXPRESSION_STATEMENT) {
			node= ((ExpressionStatement)node).getExpression();
		}
		switch(node.getNodeType()) {
			case ASTNode.METHOD_DECLARATION:
			case ASTNode.METHOD_INVOCATION:
// not yet...
//			case ASTNode.SUPER_METHOD_INVOCATION:
//			case ASTNode.CONSTRUCTOR_INVOCATION:
				return node;
		}
		return null;
	}
 

public static boolean isIntroduceIndirectionAvailable(final JavaTextSelection selection) throws JavaModelException {
	final IJavaElement[] elements= selection.resolveElementAtOffset();
	if (elements.length == 1)
		return (elements[0] instanceof IMethod) && isIntroduceIndirectionAvailable(((IMethod) elements[0]));
	ASTNode[] selectedNodes= selection.resolveSelectedNodes();
	if (selectedNodes == null || selectedNodes.length != 1)
		return false;
	switch (selectedNodes[0].getNodeType()) {
		case ASTNode.METHOD_DECLARATION:
		case ASTNode.METHOD_INVOCATION:
		case ASTNode.SUPER_METHOD_INVOCATION:
			return true;
		default:
			return false;
	}
}
 

private void flowAnalysis() {
	fInvocationScope= fRootScope.findScope(fTargetNode.getStartPosition(), fTargetNode.getLength());
	fInvocationScope.setCursor(fTargetNode.getStartPosition());
	fFlowContext= new FlowContext(0, fNumberOfLocals + 1);
	fFlowContext.setConsiderAccessMode(true);
	fFlowContext.setComputeMode(FlowContext.ARGUMENTS);
	Selection selection= Selection.createFromStartLength(fInvocation.getStartPosition(), fInvocation.getLength());
	switch (fBodyDeclaration.getNodeType()) {
		case ASTNode.INITIALIZER:
		case ASTNode.FIELD_DECLARATION:
		case ASTNode.METHOD_DECLARATION:
		case ASTNode.ENUM_CONSTANT_DECLARATION:
			fFlowInfo= new InputFlowAnalyzer(fFlowContext, selection, true).perform(fBodyDeclaration);
			break;
		default:
			Assert.isTrue(false, "Should not happen");			 //$NON-NLS-1$
	}
}
 

private Multimap<Scope, String> getClassnames(final ASTNode node) {
	final ClassnameFinder cf = new ClassnameFinder(methodsAsRoots);
	node.accept(cf);

	final Multimap<Scope, String> classnames = TreeMultimap.create();

	for (final Entry<ASTNode, String> classname : cf.types.entries()) {
		final ASTNode parentNode = classname.getKey();
		final Scope sc = new Scope(
				classname.getKey().toString(),
				parentNode.getNodeType() == ASTNode.METHOD_DECLARATION ? ScopeType.SCOPE_METHOD
						: ScopeType.SCOPE_CLASS, TYPENAME,
				parentNode.getNodeType(), -1);
		classnames.put(sc, classname.getValue());
	}
	return classnames;
}
 

/**
 * Finds and returns the <code>ASTNode</code> for the given source text
 * selection, if it is an entire constructor call or the class name portion
 * of a constructor call or constructor declaration, or null otherwise.
 * @param unit The compilation unit in which the selection was made
 * @param offset The textual offset of the start of the selection
 * @param length The length of the selection in characters
 * @return ClassInstanceCreation or MethodDeclaration
 */
private ASTNode getTargetNode(ICompilationUnit unit, int offset, int length) {
	ASTNode node= ASTNodes.getNormalizedNode(NodeFinder.perform(fCU, offset, length));
	if (node.getNodeType() == ASTNode.CLASS_INSTANCE_CREATION)
		return node;
	if (node.getNodeType() == ASTNode.METHOD_DECLARATION && ((MethodDeclaration)node).isConstructor())
		return node;
	// we have some sub node. Make sure its the right child of the parent
	StructuralPropertyDescriptor location= node.getLocationInParent();
	ASTNode parent= node.getParent();
	if (location == ClassInstanceCreation.TYPE_PROPERTY) {
		return parent;
	} else if (location == MethodDeclaration.NAME_PROPERTY && ((MethodDeclaration)parent).isConstructor()) {
		return parent;
	}
	return null;
}
 

private static ASTNode checkNode(ASTNode node) {
	if (node == null)
		return null;
	if (node.getNodeType() == ASTNode.SIMPLE_NAME) {
		node= node.getParent();
	} else if (node.getNodeType() == ASTNode.EXPRESSION_STATEMENT) {
		node= ((ExpressionStatement) node).getExpression();
	}
	switch (node.getNodeType()) {
		case ASTNode.METHOD_INVOCATION:
		case ASTNode.METHOD_DECLARATION:
		case ASTNode.SUPER_METHOD_INVOCATION:
			return node;
	}
	return null;
}
 

/**
 * Visits {@link SimpleName} AST nodes. Resolves the binding of the simple
 * name and looks for it in the {variableScope} map. If the binding
 * is found, this is a reference to a variable.
 *
 * @param node
 *            the node to visit
 */
@Override
public boolean visit(final SimpleName node) {
	if (node.getParent().getNodeType() == ASTNode.METHOD_INVOCATION) {
		final MethodInvocation invocation = (MethodInvocation) node
				.getParent();
		if (invocation.getName() == node) {
			return true;
		}

       }
       // method declaration can have same name as variable but this does not mean it is binding to that variable
       // added particularly for enum
       if(node.getParent().getNodeType() == ASTNode.METHOD_DECLARATION){
           return true;
	}
	addBindingData(node.getIdentifier(), node, nodeScopes.get(node));
	return true;
}
 

/**
 * Creates a new inline method refactoring
 * @param unit the compilation unit or class file
 * @param node the compilation unit node
 * @param selectionStart start
 * @param selectionLength length
 * @return returns the refactoring
 */
public static InlineMethodRefactoring create(ITypeRoot unit, CompilationUnit node, int selectionStart, int selectionLength) {
	ASTNode target= RefactoringAvailabilityTester.getInlineableMethodNode(unit, node, selectionStart, selectionLength);
	if (target == null)
		return null;
	if (target.getNodeType() == ASTNode.METHOD_DECLARATION) {

		return new InlineMethodRefactoring(unit, (MethodDeclaration)target, selectionStart, selectionLength);
	} else {
		ICompilationUnit cu= (ICompilationUnit) unit;
		if (target.getNodeType() == ASTNode.METHOD_INVOCATION) {
			return new InlineMethodRefactoring(cu, (MethodInvocation)target, selectionStart, selectionLength);
		} else if (target.getNodeType() == ASTNode.SUPER_METHOD_INVOCATION) {
			return new InlineMethodRefactoring(cu, (SuperMethodInvocation)target, selectionStart, selectionLength);
		} else if (target.getNodeType() == ASTNode.CONSTRUCTOR_INVOCATION) {
			return new InlineMethodRefactoring(cu, (ConstructorInvocation)target, selectionStart, selectionLength);
		}
	}
	return null;
}
 

public boolean resolveInMethodBody() {
	if (fInMethodBodyRequested)
		return fInMethodBody;
	fInMethodBodyRequested= true;
	resolveSelectedNodes();
	ASTNode node= getStartNode();
	if (node == null) {
		fInMethodBody= true;
	} else {
		while (node != null) {
			int nodeType= node.getNodeType();
			if (nodeType == ASTNode.BLOCK && node.getParent() instanceof BodyDeclaration) {
				fInMethodBody= node.getParent().getNodeType() == ASTNode.METHOD_DECLARATION;
				break;
			} else if (nodeType == ASTNode.ANONYMOUS_CLASS_DECLARATION) {
				fInMethodBody= false;
				break;
			}
			node= node.getParent();
		}
	}
	return fInMethodBody;
}
 

/**
 * Returns the corresponding place holder type for the given element.
 * @return a place holder type (see ASTRewrite) or -1 if there is no corresponding placeholder
 */
private int getPlaceHolderType(ITypedElement element) {

	if (element instanceof DocumentRangeNode) {
		JavaNode jn= (JavaNode) element;
		switch (jn.getTypeCode()) {

		case JavaNode.PACKAGE:
		    return ASTNode.PACKAGE_DECLARATION;

		case JavaNode.CLASS:
		case JavaNode.INTERFACE:
			return ASTNode.TYPE_DECLARATION;

		case JavaNode.ENUM:
			return ASTNode.ENUM_DECLARATION;

		case JavaNode.ANNOTATION:
			return ASTNode.ANNOTATION_TYPE_DECLARATION;

		case JavaNode.CONSTRUCTOR:
		case JavaNode.METHOD:
			return ASTNode.METHOD_DECLARATION;

		case JavaNode.FIELD:
			return ASTNode.FIELD_DECLARATION;

		case JavaNode.INIT:
			return ASTNode.INITIALIZER;

		case JavaNode.IMPORT:
		case JavaNode.IMPORT_CONTAINER:
			return ASTNode.IMPORT_DECLARATION;

		case JavaNode.CU:
		    return ASTNode.COMPILATION_UNIT;
		}
	}
	return -1;
}
 

@Override
public boolean visit(final SingleVariableDeclaration node) {
	final ASTNode parent = node.getParent();
	if (parent.getNodeType() == ASTNode.METHOD_DECLARATION) {
		variableScopes.put(parent, new Variable(node.getName()
				.getIdentifier(), node.getType().toString(),
				ScopeType.SCOPE_METHOD));
	} else {
		variableScopes.put(parent, new Variable(node.getName()
				.getIdentifier(), node.getType().toString(),
				ScopeType.SCOPE_LOCAL));
	}
	return false;
}
 

public static boolean isStatic(BodyDeclaration bodyDeclaration) {
	if (isNestedInterfaceOrAnnotation(bodyDeclaration))
		return true;
	int nodeType= bodyDeclaration.getNodeType();
	if (!(nodeType == ASTNode.METHOD_DECLARATION || nodeType == ASTNode.ANNOTATION_TYPE_MEMBER_DECLARATION) &&
			isInterfaceOrAnnotationMember(bodyDeclaration))
		return true;
	if (bodyDeclaration instanceof EnumConstantDeclaration)
		return true;
	if (bodyDeclaration instanceof EnumDeclaration && bodyDeclaration.getParent() instanceof AbstractTypeDeclaration)
		return true;
	return Modifier.isStatic(bodyDeclaration.getModifiers());
}
 

/**
 * Computes the maximum number of local variable declarations in the
 * given body declaration.
 *
 * @param declaration the body declaration. Must either be a method
 *  declaration, or an initializer, or a field declaration.
 * @return the maximum number of local variables
 */
public static int perform(BodyDeclaration declaration) {
	Assert.isTrue(declaration != null);
	switch (declaration.getNodeType()) {
		case ASTNode.METHOD_DECLARATION:
		case ASTNode.FIELD_DECLARATION:
		case ASTNode.INITIALIZER:
			return internalPerform(declaration);
		default:
			throw new IllegalArgumentException(declaration.toString());
	}
}
 

@Override
public void postVisit(final ASTNode node) {

	if (node.getNodeType() == ASTNode.METHOD_DECLARATION)
		noMethods++;

	if (node.getNodeType() == ASTNode.TYPE_DECLARATION
			|| node.getNodeType() == ASTNode.ENUM_DECLARATION)
		noClasses++;
}
 

private static ASTNode getInlineableMethodNode(ASTNode node, IJavaElement unit) {
	if (node == null) {
		return null;
	}
	switch (node.getNodeType()) {
		case ASTNode.SIMPLE_NAME:
			StructuralPropertyDescriptor locationInParent = node.getLocationInParent();
			if (locationInParent == MethodDeclaration.NAME_PROPERTY) {
				return node.getParent();
			} else if (locationInParent == MethodInvocation.NAME_PROPERTY || locationInParent == SuperMethodInvocation.NAME_PROPERTY) {
				return unit instanceof ICompilationUnit ? node.getParent() : null; // don't start on invocations in binary
			}
			return null;
		case ASTNode.EXPRESSION_STATEMENT:
			node = ((ExpressionStatement) node).getExpression();
	}
	switch (node.getNodeType()) {
		case ASTNode.METHOD_DECLARATION:
			return node;
		case ASTNode.METHOD_INVOCATION:
		case ASTNode.SUPER_METHOD_INVOCATION:
		case ASTNode.CONSTRUCTOR_INVOCATION:
			return unit instanceof ICompilationUnit ? node : null; // don't start on invocations in binary
	}
	return null;
}
 

/**
 * Returns the corresponding place holder type for the given element.
 * @return a place holder type (see ASTRewrite) or -1 if there is no corresponding placeholder
 */
static final int getPlaceHolderType(ITypedElement element) {

	if (element instanceof DocumentRangeNode) {
		JavaNode jn= (JavaNode) element;
		switch (jn.getTypeCode()) {

		case JavaNode.PACKAGE:
		    return ASTNode.PACKAGE_DECLARATION;

		case JavaNode.CLASS:
		case JavaNode.INTERFACE:
			return ASTNode.TYPE_DECLARATION;

		case JavaNode.ENUM:
			return ASTNode.ENUM_DECLARATION;

		case JavaNode.ANNOTATION:
			return ASTNode.ANNOTATION_TYPE_DECLARATION;

		case JavaNode.CONSTRUCTOR:
		case JavaNode.METHOD:
			return ASTNode.METHOD_DECLARATION;

		case JavaNode.FIELD:
			return ASTNode.FIELD_DECLARATION;

		case JavaNode.INIT:
			return ASTNode.INITIALIZER;

		case JavaNode.IMPORT:
		case JavaNode.IMPORT_CONTAINER:
			return ASTNode.IMPORT_DECLARATION;

		case JavaNode.CU:
		    return ASTNode.COMPILATION_UNIT;
		}
	}
	return -1;
}
 

public boolean mustInnerClassBeStatic() {
    ITypeBinding typeBinding = ((AbstractTypeDeclaration) ASTNodes.getParent(fAnonymousInnerClassNode, AbstractTypeDeclaration.class)).resolveBinding();
    ASTNode current = fAnonymousInnerClassNode.getParent();
    boolean ans = false;
    while(current != null) {
        switch(current.getNodeType()) {
case ASTNode.SUPER_CONSTRUCTOR_INVOCATION:
case ASTNode.CONSTRUCTOR_INVOCATION:
	return true;
case ASTNode.ANONYMOUS_CLASS_DECLARATION:
            {
                AnonymousClassDeclaration enclosingAnonymousClassDeclaration= (AnonymousClassDeclaration)current;
                ITypeBinding binding= enclosingAnonymousClassDeclaration.resolveBinding();
                if (binding != null && Bindings.isSuperType(typeBinding, binding.getSuperclass())) {
                    return false;
                }
                break;
            }
            case ASTNode.FIELD_DECLARATION:
            {
                FieldDeclaration enclosingFieldDeclaration= (FieldDeclaration)current;
                if (Modifier.isStatic(enclosingFieldDeclaration.getModifiers())) {
                    ans = true;
                }
                break;
            }
            case ASTNode.METHOD_DECLARATION:
            {
                MethodDeclaration enclosingMethodDeclaration = (MethodDeclaration)current;
                if (Modifier.isStatic(enclosingMethodDeclaration.getModifiers())) {
                    ans = true;
                }
                break;
            }
            case ASTNode.TYPE_DECLARATION:
            {
                return ans;
            }
        }
        current = current.getParent();
    }
    return ans;
}
 

/**
 * Adds a SuppressWarnings proposal if possible and returns whether parent nodes should be processed or not (and with what relevance).
 * 
 * @param cu the compilation unit
 * @param node the node on which to add a SuppressWarning token
 * @param warningToken the warning token to add
 * @param relevance the proposal's relevance
 * @param proposals collector to which the proposal should be added
 * @return <code>0</code> if no further proposals should be added to parent nodes, or the relevance of the next proposal
 * 
 * @since 3.6
 */
private static int addSuppressWarningsProposalIfPossible(ICompilationUnit cu, ASTNode node, String warningToken, int relevance, Collection<ICommandAccess> proposals) {

	ChildListPropertyDescriptor property;
	String name;
	boolean isLocalVariable= false;
	switch (node.getNodeType()) {
		case ASTNode.SINGLE_VARIABLE_DECLARATION:
			property= SingleVariableDeclaration.MODIFIERS2_PROPERTY;
			name= ((SingleVariableDeclaration) node).getName().getIdentifier();
			isLocalVariable= true;
			break;
		case ASTNode.VARIABLE_DECLARATION_STATEMENT:
			property= VariableDeclarationStatement.MODIFIERS2_PROPERTY;
			name= getFirstFragmentName(((VariableDeclarationStatement) node).fragments());
			isLocalVariable= true;
			break;
		case ASTNode.VARIABLE_DECLARATION_EXPRESSION:
			property= VariableDeclarationExpression.MODIFIERS2_PROPERTY;
			name= getFirstFragmentName(((VariableDeclarationExpression) node).fragments());
			isLocalVariable= true;
			break;
		case ASTNode.TYPE_DECLARATION:
			property= TypeDeclaration.MODIFIERS2_PROPERTY;
			name= ((TypeDeclaration) node).getName().getIdentifier();
			break;
		case ASTNode.ANNOTATION_TYPE_DECLARATION:
			property= AnnotationTypeDeclaration.MODIFIERS2_PROPERTY;
			name= ((AnnotationTypeDeclaration) node).getName().getIdentifier();
			break;
		case ASTNode.ENUM_DECLARATION:
			property= EnumDeclaration.MODIFIERS2_PROPERTY;
			name= ((EnumDeclaration) node).getName().getIdentifier();
			break;
		case ASTNode.FIELD_DECLARATION:
			property= FieldDeclaration.MODIFIERS2_PROPERTY;
			name= getFirstFragmentName(((FieldDeclaration) node).fragments());
			break;
		// case ASTNode.INITIALIZER: not used, because Initializer cannot have annotations
		case ASTNode.METHOD_DECLARATION:
			property= MethodDeclaration.MODIFIERS2_PROPERTY;
			name= ((MethodDeclaration) node).getName().getIdentifier() + "()"; //$NON-NLS-1$
			break;
		case ASTNode.ANNOTATION_TYPE_MEMBER_DECLARATION:
			property= AnnotationTypeMemberDeclaration.MODIFIERS2_PROPERTY;
			name= ((AnnotationTypeMemberDeclaration) node).getName().getIdentifier() + "()"; //$NON-NLS-1$
			break;
		case ASTNode.ENUM_CONSTANT_DECLARATION:
			property= EnumConstantDeclaration.MODIFIERS2_PROPERTY;
			name= ((EnumConstantDeclaration) node).getName().getIdentifier();
			break;
		default:
			return relevance;
	}

	String label= Messages.format(CorrectionMessages.SuppressWarningsSubProcessor_suppress_warnings_label, new String[] { warningToken, BasicElementLabels.getJavaElementName(name) });
	ASTRewriteCorrectionProposal proposal= new SuppressWarningsProposal(warningToken, label, cu, node, property, relevance);

	proposals.add(proposal);
	return isLocalVariable ? relevance - 1 : 0;
}
 

@Override
protected ASTRewrite getRewrite() throws CoreException {
	CompilationUnit astRoot= ASTResolving.findParentCompilationUnit(fNode);
	ASTNode boundNode= astRoot.findDeclaringNode(fBinding);
	ASTNode declNode= null;

	if (boundNode != null) {
		declNode= boundNode; // is same CU
	} else {
		//setSelectionDescription(selectionDescription);
		CompilationUnit newRoot= ASTResolving.createQuickFixAST(getCompilationUnit(), null);
		declNode= newRoot.findDeclaringNode(fBinding.getKey());
	}
	if (declNode != null) {
		AST ast= declNode.getAST();
		ASTRewrite rewrite= ASTRewrite.create(ast);

		if (declNode.getNodeType() == ASTNode.VARIABLE_DECLARATION_FRAGMENT) {
			VariableDeclarationFragment fragment= (VariableDeclarationFragment)declNode;
			ASTNode parent= declNode.getParent();
			if (parent instanceof FieldDeclaration) {
				FieldDeclaration fieldDecl= (FieldDeclaration) parent;
				if (fieldDecl.fragments().size() > 1 && (fieldDecl.getParent() instanceof AbstractTypeDeclaration)) { // split
					VariableDeclarationRewrite.rewriteModifiers(fieldDecl, new VariableDeclarationFragment[] {fragment}, fIncludedModifiers, fExcludedModifiers, rewrite, null);
					return rewrite;
				}
			} else if (parent instanceof VariableDeclarationStatement) {
				VariableDeclarationStatement varDecl= (VariableDeclarationStatement) parent;
				if (varDecl.fragments().size() > 1 && (varDecl.getParent() instanceof Block)) { // split
					VariableDeclarationRewrite.rewriteModifiers(varDecl, new VariableDeclarationFragment[] {fragment}, fIncludedModifiers, fExcludedModifiers, rewrite, null);
					return rewrite;
				}
			} else if (parent instanceof VariableDeclarationExpression) {
				// can't separate
			}
			declNode= parent;
		} else if (declNode.getNodeType() == ASTNode.METHOD_DECLARATION) {
			MethodDeclaration methodDecl= (MethodDeclaration) declNode;
			if (!methodDecl.isConstructor()) {
				IMethodBinding methodBinding= methodDecl.resolveBinding();
				if (methodDecl.getBody() == null && methodBinding != null && Modifier.isAbstract(methodBinding.getModifiers()) && Modifier.isStatic(fIncludedModifiers)) {
					// add body
					ICompilationUnit unit= getCompilationUnit();
					String delimiter= unit.findRecommendedLineSeparator();
					String bodyStatement= ""; //$NON-NLS-1$
					
					Block body= ast.newBlock();
					rewrite.set(methodDecl, MethodDeclaration.BODY_PROPERTY, body, null);
					Type returnType= methodDecl.getReturnType2();
					if (returnType != null) {
						Expression expression= ASTNodeFactory.newDefaultExpression(ast, returnType, methodDecl.getExtraDimensions());
						if (expression != null) {
							ReturnStatement returnStatement= ast.newReturnStatement();
							returnStatement.setExpression(expression);
							bodyStatement= ASTNodes.asFormattedString(returnStatement, 0, delimiter, unit.getJavaProject().getOptions(true));
						}
					}
					String placeHolder= CodeGeneration.getMethodBodyContent(unit, methodBinding.getDeclaringClass().getName(), methodBinding.getName(), false, bodyStatement, delimiter);
					if (placeHolder != null) {
						ReturnStatement todoNode= (ReturnStatement) rewrite.createStringPlaceholder(placeHolder, ASTNode.RETURN_STATEMENT);
						body.statements().add(todoNode);
					}
				}
			}
		}
		ModifierRewrite listRewrite= ModifierRewrite.create(rewrite, declNode);
		PositionInformation trackedDeclNode= listRewrite.setModifiers(fIncludedModifiers, fExcludedModifiers, null);
		
		LinkedProposalPositionGroup positionGroup= new LinkedProposalPositionGroup("group"); //$NON-NLS-1$
		positionGroup.addPosition(trackedDeclNode);
		getLinkedProposalModel().addPositionGroup(positionGroup);
		
		if (boundNode != null) {
			// only set end position if in same CU
			setEndPosition(rewrite.track(fNode));
		}
		return rewrite;
	}
	return null;
}
 

private void initReturnType(ImportRewrite rewriter) {
	AST ast= fEnclosingBodyDeclaration.getAST();
	fReturnType= null;
	fReturnTypeBinding= null;
	switch (fReturnKind) {
		case ACCESS_TO_LOCAL:
			VariableDeclaration declaration= ASTNodes.findVariableDeclaration(fReturnValue, fEnclosingBodyDeclaration);
			fReturnType= ASTNodeFactory.newType(ast, declaration, rewriter, new ContextSensitiveImportRewriteContext(declaration, rewriter));
			if (declaration.resolveBinding() != null) {
				fReturnTypeBinding= declaration.resolveBinding().getType();
			}
			break;
		case EXPRESSION:
			Expression expression= (Expression)getFirstSelectedNode();
			if (expression.getNodeType() == ASTNode.CLASS_INSTANCE_CREATION) {
				fExpressionBinding= ((ClassInstanceCreation)expression).getType().resolveBinding();
			} else {
				fExpressionBinding= expression.resolveTypeBinding();
			}
			if (fExpressionBinding != null) {
				if (fExpressionBinding.isNullType()) {
					getStatus().addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_extract_null_type, JavaStatusContext.create(fCUnit, expression));
				} else {
					ITypeBinding normalizedBinding= Bindings.normalizeForDeclarationUse(fExpressionBinding, ast);
					if (normalizedBinding != null) {
						ImportRewriteContext context= new ContextSensitiveImportRewriteContext(fEnclosingBodyDeclaration, rewriter);
						fReturnType= rewriter.addImport(normalizedBinding, ast, context);
						fReturnTypeBinding= normalizedBinding;
					}
				}
			} else {
				fReturnType= ast.newPrimitiveType(PrimitiveType.VOID);
				fReturnTypeBinding= ast.resolveWellKnownType("void"); //$NON-NLS-1$
				getStatus().addError(RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_determine_return_type, JavaStatusContext.create(fCUnit, expression));
			}
			break;
		case RETURN_STATEMENT_VALUE:
			LambdaExpression enclosingLambdaExpr= ASTResolving.findEnclosingLambdaExpression(getFirstSelectedNode());
			if (enclosingLambdaExpr != null) {
				fReturnType= ASTNodeFactory.newReturnType(enclosingLambdaExpr, ast, rewriter, null);
				IMethodBinding methodBinding= enclosingLambdaExpr.resolveMethodBinding();
				fReturnTypeBinding= methodBinding != null ? methodBinding.getReturnType() : null;
			} else if (fEnclosingBodyDeclaration.getNodeType() == ASTNode.METHOD_DECLARATION) {
				fReturnType= ((MethodDeclaration) fEnclosingBodyDeclaration).getReturnType2();
				fReturnTypeBinding= fReturnType != null ? fReturnType.resolveBinding() : null;
			}
			break;
		default:
			fReturnType= ast.newPrimitiveType(PrimitiveType.VOID);
			fReturnTypeBinding= ast.resolveWellKnownType("void"); //$NON-NLS-1$
	}
	if (fReturnType == null) {
		fReturnType= ast.newPrimitiveType(PrimitiveType.VOID);
		fReturnTypeBinding= ast.resolveWellKnownType("void"); //$NON-NLS-1$
	}
}