| /******************************************************************************* |
| * Copyright (c) 2014, 2015 Ericsson. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Anders Dahlberg (Ericsson) - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.cdt.internal.core.dom.parser.cpp; |
| |
| import org.eclipse.cdt.core.dom.ast.ASTVisitor; |
| import org.eclipse.cdt.core.dom.ast.IASTExpression; |
| import org.eclipse.cdt.core.dom.ast.IASTName; |
| import org.eclipse.cdt.core.dom.ast.gnu.IGNUASTGotoStatement; |
| |
| /** |
| * GNU C++ goto statement. |
| * |
| * <code> |
| * foo: |
| * void *labelPtr = &&foo; |
| * goto *labelPtr; // this is the statement |
| * </code> |
| * |
| * @since 5.8 |
| */ |
| public class GNUCPPASTGotoStatement extends CPPASTAttributeOwner implements IGNUASTGotoStatement { |
| private IASTExpression expression; |
| |
| public GNUCPPASTGotoStatement() { |
| } |
| |
| public GNUCPPASTGotoStatement(IASTExpression expression) { |
| setLabelNameExpression(expression); |
| } |
| |
| @Override |
| public GNUCPPASTGotoStatement copy() { |
| return copy(CopyStyle.withoutLocations); |
| } |
| |
| @Override |
| public GNUCPPASTGotoStatement copy(CopyStyle style) { |
| GNUCPPASTGotoStatement copy = new GNUCPPASTGotoStatement(expression == null ? null |
| : expression.copy(style)); |
| return copy(copy, style); |
| } |
| |
| @Override |
| public boolean accept(ASTVisitor action) { |
| if (action.shouldVisitStatements) { |
| switch (action.visit(this)) { |
| case ASTVisitor.PROCESS_ABORT: |
| return false; |
| case ASTVisitor.PROCESS_SKIP: |
| return true; |
| default: |
| break; |
| } |
| } |
| |
| if (!acceptByAttributeSpecifiers(action)) |
| return false; |
| if (expression != null && !expression.accept(action)) |
| return false; |
| |
| if (action.shouldVisitStatements) { |
| switch (action.leave(this)) { |
| case ASTVisitor.PROCESS_ABORT: |
| return false; |
| case ASTVisitor.PROCESS_SKIP: |
| return true; |
| default: |
| break; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public IASTExpression getLabelNameExpression() { |
| return expression; |
| } |
| |
| @Override |
| public void setLabelNameExpression(IASTExpression expression) { |
| assertNotFrozen(); |
| this.expression = expression; |
| |
| if (expression != null) { |
| expression.setParent(this); |
| expression.setPropertyInParent(LABEL_NAME); |
| } |
| } |
| |
| @Override |
| public int getRoleForName(IASTName n) { |
| return r_unclear; |
| } |
| } |