Java Code Examples for org.eclipse.jdt.core.dom.rewrite.ASTRewrite#remove()

@Override
public void replace(ASTRewrite rewrite, ASTNode replacement, TextEditGroup textEditGroup) {
	ASTNode groupNode = getGroupRoot();

	List<Expression> allOperands = findGroupMembersInOrderFor(getGroupRoot());
	if (allOperands.size() == fOperands.size()) {
		if (replacement instanceof Name && groupNode.getParent() instanceof ParenthesizedExpression) {
			// replace including the parenthesized expression around it
			rewrite.replace(groupNode.getParent(), replacement, textEditGroup);
		} else {
			rewrite.replace(groupNode, replacement, textEditGroup);
		}
		return;
	}

	rewrite.replace(fOperands.get(0), replacement, textEditGroup);
	int first = allOperands.indexOf(fOperands.get(0));
	int after = first + fOperands.size();
	for (int i = first + 1; i < after; i++) {
		rewrite.remove(allOperands.get(i), textEditGroup);
	}
}
 

@Override
public void rewriteAST(CompilationUnitRewrite cuRewrite, LinkedProposalModel linkedModel) throws CoreException {
	ASTRewrite rewrite= cuRewrite.getASTRewrite();
	IBinding binding= fUnusedName.resolveBinding();
	CompilationUnit root= (CompilationUnit) fUnusedName.getRoot();
	String displayString= FixMessages.UnusedCodeFix_RemoveUnusedTypeParameter_description;
	TextEditGroup group= createTextEditGroup(displayString, cuRewrite);

	if (binding.getKind() == IBinding.TYPE) {
		ITypeBinding decl= ((ITypeBinding) binding).getTypeDeclaration();
		ASTNode declaration= root.findDeclaringNode(decl);
		if (declaration.getParent() instanceof TypeDeclarationStatement) {
			declaration= declaration.getParent();
		}
		rewrite.remove(declaration, group);
	}
}
 

public void replace(ASTRewrite rewrite, ASTNode replacement, TextEditGroup textEditGroup) {
	ASTNode groupNode= getGroupRoot();

	List<Expression> allOperands= findGroupMembersInOrderFor(getGroupRoot());
	if (allOperands.size() == fOperands.size()) {
		if (replacement instanceof Name && groupNode.getParent() instanceof ParenthesizedExpression) {
			// replace including the parenthesized expression around it
			rewrite.replace(groupNode.getParent(), replacement, textEditGroup);
		} else {
			rewrite.replace(groupNode, replacement, textEditGroup);
		}
		return;
	}

	rewrite.replace(fOperands.get(0), replacement, textEditGroup);
	int first= allOperands.indexOf(fOperands.get(0));
	int after= first + fOperands.size();
	for (int i= first + 1; i < after; i++) {
		rewrite.remove(allOperands.get(i), textEditGroup);
	}
}
 

protected static void deleteDeclarationNodes(final CompilationUnitRewrite sourceRewriter, final boolean sameCu, final CompilationUnitRewrite unitRewriter, final List<IMember> members, final GroupCategorySet set) throws JavaModelException {
	final List<ASTNode> declarationNodes= getDeclarationNodes(unitRewriter.getRoot(), members);
	for (final Iterator<ASTNode> iterator= declarationNodes.iterator(); iterator.hasNext();) {
		final ASTNode node= iterator.next();
		final ASTRewrite rewriter= unitRewriter.getASTRewrite();
		final ImportRemover remover= unitRewriter.getImportRemover();
		if (node instanceof VariableDeclarationFragment) {
			if (node.getParent() instanceof FieldDeclaration) {
				final FieldDeclaration declaration= (FieldDeclaration) node.getParent();
				if (areAllFragmentsDeleted(declaration, declarationNodes)) {
					rewriter.remove(declaration, unitRewriter.createCategorizedGroupDescription(RefactoringCoreMessages.HierarchyRefactoring_remove_member, set));
					if (!sameCu)
						remover.registerRemovedNode(declaration);
				} else {
					rewriter.remove(node, unitRewriter.createCategorizedGroupDescription(RefactoringCoreMessages.HierarchyRefactoring_remove_member, set));
					if (!sameCu)
						remover.registerRemovedNode(node);
				}
			}
		} else {
			rewriter.remove(node, unitRewriter.createCategorizedGroupDescription(RefactoringCoreMessages.HierarchyRefactoring_remove_member, set));
			if (!sameCu)
				remover.registerRemovedNode(node);
		}
	}
}
 

@Override
protected ASTRewrite getRewrite() throws CoreException {
  CompilationUnit targetAstRoot = ASTResolving.createQuickFixAST(
      getCompilationUnit(), null);
  createImportRewrite(targetAstRoot);

  ASTRewrite rewrite = ASTRewrite.create(targetAstRoot.getAST());

  // Find the method declaration in the AST we just generated (the one that
  // the AST rewriter is hooked up to).
  MethodDeclaration rewriterAstMethodDecl = JavaASTUtils.findMethodDeclaration(
      targetAstRoot, methodDecl.resolveBinding().getKey());
  if (rewriterAstMethodDecl == null) {
    return null;
  }

  // Remove the extra method declaration
  rewrite.remove(rewriterAstMethodDecl, null);

  return rewrite;
}
 

public static void addRedundantSuperInterfaceProposal(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) {
	ASTNode selectedNode= problem.getCoveringNode(context.getASTRoot());
	if (!(selectedNode instanceof Name)) {
		return;
	}
	ASTNode node= ASTNodes.getNormalizedNode(selectedNode);

	ASTRewrite rewrite= ASTRewrite.create(node.getAST());
	rewrite.remove(node, null);

	String label= CorrectionMessages.LocalCorrectionsSubProcessor_remove_redundant_superinterface;
	Image image= JavaPlugin.getDefault().getWorkbench().getSharedImages().getImage(ISharedImages.IMG_TOOL_DELETE);

	ASTRewriteCorrectionProposal proposal= new ASTRewriteCorrectionProposal(label, context.getCompilationUnit(), rewrite, IProposalRelevance.REMOVE_REDUNDANT_SUPER_INTERFACE, image);
	proposals.add(proposal);

}
 

private void removeVariableWithInitializer(ASTRewrite rewrite, ASTNode initializerNode, ASTNode statementNode) {
	ArrayList<Expression> sideEffectNodes= new ArrayList<Expression>();
	initializerNode.accept(new SideEffectFinder(sideEffectNodes));
	int nSideEffects= sideEffectNodes.size();
	if (nSideEffects == 0) {
		if (ASTNodes.isControlStatementBody(statementNode.getLocationInParent())) {
			rewrite.replace(statementNode, rewrite.getAST().newBlock(), null);
		} else {
			rewrite.remove(statementNode, null);
		}
	} else {
		// do nothing yet
	}
}
 

private void removeParamTag(ASTRewrite rewrite, SingleVariableDeclaration varDecl, TextEditGroup group) {
	if (varDecl.getParent() instanceof MethodDeclaration) {
		Javadoc javadoc= ((MethodDeclaration) varDecl.getParent()).getJavadoc();
		if (javadoc != null) {
			TagElement tagElement= JavadocTagsSubProcessor.findParamTag(javadoc, varDecl.getName().getIdentifier());
			if (tagElement != null) {
				rewrite.remove(tagElement, group);
			}
		}
	}
}
 

public static void addRedundantSuperInterfaceProposal(IInvocationContext context, IProblemLocationCore problem, Collection<ChangeCorrectionProposal> proposals) {
	ASTNode selectedNode = problem.getCoveringNode(context.getASTRoot());
	if (!(selectedNode instanceof Name)) {
		return;
	}
	ASTNode node = ASTNodes.getNormalizedNode(selectedNode);
	ASTRewrite rewrite = ASTRewrite.create(node.getAST());
	rewrite.remove(node, null);
	String label = CorrectionMessages.LocalCorrectionsSubProcessor_remove_redundant_superinterface;
	ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, CodeActionKind.QuickFix, context.getCompilationUnit(), rewrite, IProposalRelevance.REMOVE_REDUNDANT_SUPER_INTERFACE);
	proposals.add(proposal);
}
 

private void removeStatement(ASTRewrite rewrite, ASTNode statementNode, TextEditGroup group) {
	if (ASTNodes.isControlStatementBody(statementNode.getLocationInParent())) {
		rewrite.replace(statementNode, rewrite.getAST().newBlock(), group);
	} else {
		rewrite.remove(statementNode, group);
	}
}
 

private void updateConstructorReference(final ClassInstanceCreation creation, final CompilationUnitRewrite targetRewrite, final ICompilationUnit unit, TextEditGroup group) throws JavaModelException {
	Assert.isNotNull(creation);
	Assert.isNotNull(targetRewrite);
	Assert.isNotNull(unit);
	final ASTRewrite rewrite= targetRewrite.getASTRewrite();
	if (fCreateInstanceField)
		insertExpressionAsParameter(creation, rewrite, unit, group);
	final Expression expression= creation.getExpression();
	if (expression != null) {
		rewrite.remove(expression, null);
		targetRewrite.getImportRemover().registerRemovedNode(expression);
	}
}
 

private void updateConstructorReference(final SuperConstructorInvocation invocation, final CompilationUnitRewrite targetRewrite, final ICompilationUnit unit, TextEditGroup group) throws CoreException {
	Assert.isNotNull(invocation);
	Assert.isNotNull(targetRewrite);
	Assert.isNotNull(unit);
	final ASTRewrite rewrite= targetRewrite.getASTRewrite();
	if (fCreateInstanceField)
		insertExpressionAsParameter(invocation, rewrite, unit, group);
	final Expression expression= invocation.getExpression();
	if (expression != null) {
		rewrite.remove(expression, null);
		targetRewrite.getImportRemover().registerRemovedNode(expression);
	}
}
 

private void removeTemp(CompilationUnitRewrite cuRewrite) {
	VariableDeclaration variableDeclaration= getVariableDeclaration();
	TextEditGroup groupDesc= cuRewrite.createGroupDescription(RefactoringCoreMessages.InlineTempRefactoring_remove_edit_name);
	ASTNode parent= variableDeclaration.getParent();
	ASTRewrite rewrite= cuRewrite.getASTRewrite();
	TightSourceRangeComputer sourceRangeComputer= new TightSourceRangeComputer();
	rewrite.setTargetSourceRangeComputer(sourceRangeComputer);
	if (parent instanceof VariableDeclarationStatement && ((VariableDeclarationStatement) parent).fragments().size() == 1) {
		sourceRangeComputer.addTightSourceNode(parent);
		rewrite.remove(parent, groupDesc);
	} else {
		sourceRangeComputer.addTightSourceNode(variableDeclaration);
		rewrite.remove(variableDeclaration, groupDesc);
	}
}
 

private static void addRemoveProposal(IInvocationContext context, ASTNode selectedNode, Collection<ChangeCorrectionProposal> proposals) {
	ASTRewrite rewrite = ASTRewrite.create(selectedNode.getAST());
	rewrite.remove(selectedNode, null);

	String label = CorrectionMessages.LocalCorrectionsSubProcessor_removeunreachablecode_description;
	addRemoveProposal(context, rewrite, label, proposals);
}
 

private void createCompilationUnitRewrite(final ITypeBinding[] parameters, final CompilationUnitRewrite targetRewrite, final Map<ICompilationUnit, SearchMatch[]> typeReferences, final Map<ICompilationUnit, SearchMatch[]> constructorReferences, boolean visibilityWasAdjusted, final ICompilationUnit sourceUnit, final ICompilationUnit targetUnit, final boolean remove, final RefactoringStatus status, final IProgressMonitor monitor) throws CoreException {
	Assert.isNotNull(parameters);
	Assert.isNotNull(targetRewrite);
	Assert.isNotNull(typeReferences);
	Assert.isNotNull(constructorReferences);
	Assert.isNotNull(sourceUnit);
	Assert.isNotNull(targetUnit);
	final CompilationUnit root= targetRewrite.getRoot();
	final ASTRewrite rewrite= targetRewrite.getASTRewrite();
	if (targetUnit.equals(sourceUnit)) {
		final AbstractTypeDeclaration declaration= findTypeDeclaration(fType, root);
		final TextEditGroup qualifierGroup= fSourceRewrite.createGroupDescription(RefactoringCoreMessages.MoveInnerToTopRefactoring_change_qualifier);
		ITypeBinding binding= declaration.resolveBinding();
		if (!remove) {
			if (!JdtFlags.isStatic(fType) && fCreateInstanceField) {
				if (JavaElementUtil.getAllConstructors(fType).length == 0)
					createConstructor(declaration, rewrite);
				else
					modifyConstructors(declaration, rewrite);
				addInheritedTypeQualifications(declaration, targetRewrite, qualifierGroup);
				addEnclosingInstanceDeclaration(declaration, rewrite);
			}
			fTypeImports= new HashSet<ITypeBinding>();
			fStaticImports= new HashSet<IBinding>();
			ImportRewriteUtil.collectImports(fType.getJavaProject(), declaration, fTypeImports, fStaticImports, false);
			if (binding != null)
				fTypeImports.remove(binding);
		}
		addEnclosingInstanceTypeParameters(parameters, declaration, rewrite);
		modifyAccessToEnclosingInstance(targetRewrite, declaration, monitor);
		if (binding != null) {
			modifyInterfaceMemberModifiers(binding);
			final ITypeBinding declaring= binding.getDeclaringClass();
			if (declaring != null)
				declaration.accept(new TypeReferenceQualifier(binding, null));
		}
		final TextEditGroup groupMove= targetRewrite.createGroupDescription(RefactoringCoreMessages.MoveInnerToTopRefactoring_change_label);
		if (remove) {
			rewrite.remove(declaration, groupMove);
			targetRewrite.getImportRemover().registerRemovedNode(declaration);
		} else {
			// Bug 101017/96308: Rewrite the visibility of the element to be
			// moved and add a warning.

			// Note that this cannot be done in the MemberVisibilityAdjustor, as the private and
			// static flags must always be cleared when moving to new type.
			int newFlags= JdtFlags.clearFlag(Modifier.STATIC, declaration.getModifiers());

			if (!visibilityWasAdjusted) {
				if (Modifier.isPrivate(declaration.getModifiers()) || Modifier.isProtected(declaration.getModifiers())) {
					newFlags= JdtFlags.clearFlag(Modifier.PROTECTED | Modifier.PRIVATE, newFlags);
					final RefactoringStatusEntry entry= new RefactoringStatusEntry(RefactoringStatus.WARNING, Messages.format(RefactoringCoreMessages.MoveInnerToTopRefactoring_change_visibility_type_warning, new String[] { BindingLabelProvider.getBindingLabel(binding, JavaElementLabels.ALL_FULLY_QUALIFIED)}), JavaStatusContext.create(fSourceRewrite.getCu()));
					if (!containsStatusEntry(status, entry))
						status.addEntry(entry);
				}
			}

			ModifierRewrite.create(rewrite, declaration).setModifiers(newFlags, groupMove);
		}
	}
	ASTNode[] references= getReferenceNodesIn(root, typeReferences, targetUnit);
	for (int index= 0; index < references.length; index++)
		updateTypeReference(parameters, references[index], targetRewrite, targetUnit);
	references= getReferenceNodesIn(root, constructorReferences, targetUnit);
	for (int index= 0; index < references.length; index++)
		updateConstructorReference(parameters, references[index], targetRewrite, targetUnit);
}
 

@Override
public final boolean visit(final MethodInvocation node) {
	Assert.isNotNull(node);
	final Expression expression= node.getExpression();
	final IMethodBinding method= node.resolveMethodBinding();
	if (method != null) {
		final ASTRewrite rewrite= fRewrite;
		if (expression == null) {
			final AST ast= node.getAST();
			if (!JdtFlags.isStatic(method))
				rewrite.set(node, MethodInvocation.EXPRESSION_PROPERTY, ast.newSimpleName(fTargetName), null);
			else if (!fStaticImports.contains(method)) {
				ITypeBinding declaring= method.getDeclaringClass();
				if (declaring != null) {
					IType type= (IType) declaring.getJavaElement();
					if (type != null) {
						rewrite.set(node, MethodInvocation.EXPRESSION_PROPERTY, ast.newName(type.getTypeQualifiedName('.')), null);
					}
				}
			}
			return true;
		} else {
			if (expression instanceof FieldAccess) {
				final FieldAccess access= (FieldAccess) expression;
				if (Bindings.equals(fTarget, access.resolveFieldBinding())) {
					rewrite.remove(expression, null);
					visit(node.arguments());
					return false;
				}
			} else if (expression instanceof Name) {
				final Name name= (Name) expression;
				if (Bindings.equals(fTarget, name.resolveBinding())) {
					rewrite.remove(expression, null);
					visit(node.arguments());
					return false;
				}
			}
		}
	}
	return true;
}
 

/**
 * Creates the necessary changes to create the delegate method with the
 * original method body.
 *
 * @param document
 *            the buffer containing the source of the source compilation
 *            unit
 * @param declaration
 *            the method declaration to use as source
 * @param rewrite
 *            the ast rewrite to use for the copy of the method body
 * @param rewrites
 *            the compilation unit rewrites
 * @param adjustments
 *            the map of elements to visibility adjustments
 * @param status
 *            the refactoring status
 * @param monitor
 *            the progress monitor to display progress
 * @throws CoreException
 *             if an error occurs
 */
protected void createMethodCopy(IDocument document, MethodDeclaration declaration, ASTRewrite rewrite, Map<ICompilationUnit, CompilationUnitRewrite> rewrites, Map<IMember, IncomingMemberVisibilityAdjustment> adjustments, RefactoringStatus status, IProgressMonitor monitor) throws CoreException {
	Assert.isNotNull(document);
	Assert.isNotNull(declaration);
	Assert.isNotNull(rewrite);
	Assert.isNotNull(rewrites);
	Assert.isNotNull(adjustments);
	Assert.isNotNull(status);
	Assert.isNotNull(monitor);
	final CompilationUnitRewrite rewriter= getCompilationUnitRewrite(rewrites, getTargetType().getCompilationUnit());
	try {
		rewrite.set(declaration, MethodDeclaration.NAME_PROPERTY, rewrite.getAST().newSimpleName(fMethodName), null);
		boolean same= false;
		final IMethodBinding binding= declaration.resolveBinding();
		if (binding != null) {
			final ITypeBinding declaring= binding.getDeclaringClass();
			if (declaring != null && Bindings.equals(declaring.getPackage(), fTarget.getType().getPackage()))
				same= true;
			final Modifier.ModifierKeyword keyword= same ? null : Modifier.ModifierKeyword.PUBLIC_KEYWORD;
			ModifierRewrite modifierRewrite= ModifierRewrite.create(rewrite, declaration);
			if (JdtFlags.isDefaultMethod(binding) && getTargetType().isClass()) {
				// Remove 'default' modifier and add 'public' visibility
				modifierRewrite.setVisibility(Modifier.PUBLIC, null);
				modifierRewrite.setModifiers(Modifier.NONE, Modifier.DEFAULT, null);
			} else if (!JdtFlags.isDefaultMethod(binding) && getTargetType().isInterface()) {
				// Remove visibility modifiers and add 'default'
				modifierRewrite.setModifiers(Modifier.DEFAULT, Modifier.PUBLIC | Modifier.PROTECTED | Modifier.PRIVATE, null);
			} else if (MemberVisibilityAdjustor.hasLowerVisibility(binding.getModifiers(), same ? Modifier.NONE : keyword == null ? Modifier.NONE : keyword.toFlagValue())
					&& MemberVisibilityAdjustor.needsVisibilityAdjustments(fMethod, keyword, adjustments)) {
				final MemberVisibilityAdjustor.IncomingMemberVisibilityAdjustment adjustment= new MemberVisibilityAdjustor.IncomingMemberVisibilityAdjustment(fMethod, keyword, RefactoringStatus.createStatus(RefactoringStatus.WARNING, Messages.format(RefactoringCoreMessages.MemberVisibilityAdjustor_change_visibility_method_warning, new String[] { MemberVisibilityAdjustor.getLabel(fMethod), MemberVisibilityAdjustor.getLabel(keyword) }), JavaStatusContext.create(fMethod), null, RefactoringStatusEntry.NO_CODE, null));
				modifierRewrite.setVisibility(keyword == null ? Modifier.NONE : keyword.toFlagValue(), null);
				adjustment.setNeedsRewriting(false);
				adjustments.put(fMethod, adjustment);
			}
		}
		for (IExtendedModifier modifier : (List<IExtendedModifier>) declaration.modifiers()) {
			if (modifier.isAnnotation()) {
				Annotation annotation= (Annotation) modifier;
				ITypeBinding typeBinding= annotation.resolveTypeBinding();
				if (typeBinding != null && typeBinding.getQualifiedName().equals("java.lang.Override")) { //$NON-NLS-1$
					rewrite.remove(annotation, null);
				}
			}
		}
		createMethodArguments(rewrites, rewrite, declaration, adjustments, status);
		createMethodTypeParameters(rewrite, declaration, status);
		createMethodComment(rewrite, declaration);
		createMethodBody(rewriter, rewrite, declaration);
	} finally {
		if (fMethod.getCompilationUnit().equals(getTargetType().getCompilationUnit()))
			rewriter.clearImportRewrites();
	}
}
 

/**
 * Remove the field or variable declaration including the initializer.
 * @param rewrite the AST rewriter to use
 * @param reference a reference to the variable to remove
 * @param group the text edit group to use
 */
private void removeVariableReferences(ASTRewrite rewrite, SimpleName reference, TextEditGroup group) {
	ASTNode parent= reference.getParent();
	while (parent instanceof QualifiedName) {
		parent= parent.getParent();
	}
	if (parent instanceof FieldAccess) {
		parent= parent.getParent();
	}

	int nameParentType= parent.getNodeType();
	if (nameParentType == ASTNode.ASSIGNMENT) {
		Assignment assignment= (Assignment) parent;
		Expression rightHand= assignment.getRightHandSide();

		ASTNode assignParent= assignment.getParent();
		if (assignParent.getNodeType() == ASTNode.EXPRESSION_STATEMENT && rightHand.getNodeType() != ASTNode.ASSIGNMENT) {
			removeVariableWithInitializer(rewrite, rightHand, assignParent, group);
		}	else {
			rewrite.replace(assignment, rewrite.createCopyTarget(rightHand), group);
		}
	} else if (nameParentType == ASTNode.SINGLE_VARIABLE_DECLARATION) {
		rewrite.remove(parent, group);
	} else if (nameParentType == ASTNode.VARIABLE_DECLARATION_FRAGMENT) {
		VariableDeclarationFragment frag= (VariableDeclarationFragment) parent;
		ASTNode varDecl= frag.getParent();
		List<VariableDeclarationFragment> fragments;
		if (varDecl instanceof VariableDeclarationExpression) {
			fragments= ((VariableDeclarationExpression) varDecl).fragments();
		} else if (varDecl instanceof FieldDeclaration) {
			fragments= ((FieldDeclaration) varDecl).fragments();
		} else {
			fragments= ((VariableDeclarationStatement) varDecl).fragments();
		}
		Expression initializer = frag.getInitializer();
		ArrayList<Expression> sideEffects= new ArrayList<Expression>();
		if (initializer != null) {
			initializer.accept(new SideEffectFinder(sideEffects));
		}
		boolean sideEffectInitializer= sideEffects.size() > 0;
		if (fragments.size() == fUnusedNames.length) {
			if (fForceRemove) {
				rewrite.remove(varDecl, group);
				return;
			}
			if (parent.getParent() instanceof FieldDeclaration) {
				rewrite.remove(varDecl, group);
				return;
			}
			if (sideEffectInitializer) {
				Statement[] wrapped= new Statement[sideEffects.size()];
				for (int i= 0; i < wrapped.length; i++) {
					Expression sideEffect= sideEffects.get(i);
					Expression movedInit= (Expression) rewrite.createMoveTarget(sideEffect);
					wrapped[i]= rewrite.getAST().newExpressionStatement(movedInit);
				}
				StatementRewrite statementRewrite= new StatementRewrite(rewrite, new ASTNode[] { varDecl });
				statementRewrite.replace(wrapped, group);
			} else {
				rewrite.remove(varDecl, group);
			}
		} else {
			if (fForceRemove) {
				rewrite.remove(frag, group);
				return;
			}
			//multiple declarations in one line
			ASTNode declaration = parent.getParent();
			if (declaration instanceof FieldDeclaration) {
				rewrite.remove(frag, group);
				return;
			}
			if (declaration instanceof VariableDeclarationStatement) {
				splitUpDeclarations(rewrite, group, frag, (VariableDeclarationStatement) declaration, sideEffects);
				rewrite.remove(frag, group);
				return;
			}
			if (declaration instanceof VariableDeclarationExpression) {
				//keep constructors and method invocations
				if (!sideEffectInitializer){
					rewrite.remove(frag, group);
				}
			}
		}
	} else if (nameParentType == ASTNode.POSTFIX_EXPRESSION || nameParentType == ASTNode.PREFIX_EXPRESSION) {
		Expression expression= (Expression)parent;
		ASTNode expressionParent= expression.getParent();
		if (expressionParent.getNodeType() == ASTNode.EXPRESSION_STATEMENT) {
			removeStatement(rewrite, expressionParent, group);
		} else {
			rewrite.remove(expression, group);
		}
	}
}
 

public TextEdit getDeleteEdit() {
	final ASTRewrite rewriter= ASTRewrite.create(fDeclaration.getAST());
	rewriter.remove(fDeclaration, null);
	return rewriter.rewriteAST(fDocument, fTypeRoot.getJavaProject().getOptions(true));
}
 

private static void addRemoveIncludingConditionProposal(IInvocationContext context, ASTNode toRemove, ASTNode replacement, Collection<ICommandAccess> proposals) {
	Image image= JavaPlugin.getDefault().getWorkbench().getSharedImages().getImage(ISharedImages.IMG_TOOL_DELETE);
	String label= CorrectionMessages.LocalCorrectionsSubProcessor_removeunreachablecode_including_condition_description;
	AST ast= toRemove.getAST();
	ASTRewrite rewrite= ASTRewrite.create(ast);
	ASTRewriteCorrectionProposal proposal= new ASTRewriteCorrectionProposal(label, context.getCompilationUnit(), rewrite, IProposalRelevance.REMOVE_UNREACHABLE_CODE_INCLUDING_CONDITION, image);
	
	if (replacement == null
			|| replacement instanceof EmptyStatement
			|| replacement instanceof Block && ((Block)replacement).statements().size() == 0) {
		if (ASTNodes.isControlStatementBody(toRemove.getLocationInParent())) {
			rewrite.replace(toRemove, toRemove.getAST().newBlock(), null);
		} else {
			rewrite.remove(toRemove, null);
		}
		
	} else if (toRemove instanceof Expression && replacement instanceof Expression) {
		Expression moved= (Expression) rewrite.createMoveTarget(replacement);
		Expression toRemoveExpression= (Expression) toRemove;
		Expression replacementExpression= (Expression) replacement;
		ITypeBinding explicitCast= ASTNodes.getExplicitCast(replacementExpression, toRemoveExpression);
		if (explicitCast != null) {
			CastExpression cast= ast.newCastExpression();
			if (NecessaryParenthesesChecker.needsParentheses(replacementExpression, cast, CastExpression.EXPRESSION_PROPERTY)) {
				ParenthesizedExpression parenthesized= ast.newParenthesizedExpression();
				parenthesized.setExpression(moved);
				moved= parenthesized;
			}
			cast.setExpression(moved);
			ImportRewrite imports= proposal.createImportRewrite(context.getASTRoot());
			ImportRewriteContext importRewriteContext= new ContextSensitiveImportRewriteContext(toRemove, imports);
			cast.setType(imports.addImport(explicitCast, ast, importRewriteContext));
			moved= cast;
		}
		rewrite.replace(toRemove, moved, null);
		
	} else {
		ASTNode parent= toRemove.getParent();
		ASTNode moveTarget;
		if ((parent instanceof Block || parent instanceof SwitchStatement) && replacement instanceof Block) {
			ListRewrite listRewrite= rewrite.getListRewrite(replacement, Block.STATEMENTS_PROPERTY);
			List<Statement> list= ((Block)replacement).statements();
			int lastIndex= list.size() - 1;
			moveTarget= listRewrite.createMoveTarget(list.get(0), list.get(lastIndex));
		} else {
			moveTarget= rewrite.createMoveTarget(replacement);
		}

		rewrite.replace(toRemove, moveTarget, null);
	}
	
	proposals.add(proposal);
}