001    // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
002    // for details. All rights reserved. Use of this source code is governed by a
003    // BSD-style license that can be found in the LICENSE file.
004    
005    package com.google.dart.compiler.backend.js.ast;
006    
007    import com.google.dart.compiler.util.AstUtil;
008    import org.jetbrains.annotations.NotNull;
009    
010    /**
011     * Represents the JavaScript case statement.
012     */
013    public final class JsCase extends JsSwitchMember {
014        private JsExpression caseExpression;
015    
016        public JsCase() {
017            super();
018        }
019    
020        public JsExpression getCaseExpression() {
021            return caseExpression;
022        }
023    
024        public void setCaseExpression(JsExpression caseExpression) {
025            this.caseExpression = caseExpression;
026        }
027    
028        @Override
029        public void accept(JsVisitor v) {
030            v.visitCase(this);
031        }
032    
033        @Override
034        public void acceptChildren(JsVisitor visitor) {
035            visitor.accept(caseExpression);
036            super.acceptChildren(visitor);
037        }
038    
039        @Override
040        public void traverse(JsVisitorWithContext v, JsContext ctx) {
041            if (v.visit(this, ctx)) {
042                caseExpression = v.accept(caseExpression);
043                v.acceptStatementList(statements);
044            }
045            v.endVisit(this, ctx);
046        }
047    
048        @NotNull
049        @Override
050        public JsCase deepCopy() {
051            JsCase caseCopy = new JsCase();
052            caseCopy.caseExpression = AstUtil.deepCopy(caseExpression);
053            caseCopy.statements.addAll(AstUtil.deepCopy(statements));
054    
055            return caseCopy.withMetadataFrom(this);
056        }
057    }