01: /*
02: * Copyright 2007 Google Inc.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License"); you may not
05: * use this file except in compliance with the License. You may obtain a copy of
06: * the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12: * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13: * License for the specific language governing permissions and limitations under
14: * the License.
15: */
16: package com.google.gwt.dev.jjs.ast;
17:
18: import com.google.gwt.dev.jjs.SourceInfo;
19:
20: import java.util.ArrayList;
21: import java.util.List;
22:
23: /**
24: * A list of <code>JStatements</code>.
25: */
26: public class JBlock extends JStatement {
27:
28: public List<JStatement> statements = new ArrayList<JStatement>();
29:
30: public JBlock(JProgram program, SourceInfo info) {
31: super (program, info);
32: }
33:
34: public void traverse(JVisitor visitor, Context ctx) {
35: if (visitor.visit(this , ctx)) {
36: visitor.acceptWithInsertRemove(statements);
37: }
38: visitor.endVisit(this , ctx);
39: }
40:
41: @Override
42: public boolean unconditionalControlBreak() {
43: for (JStatement stmt : statements) {
44: if (stmt.unconditionalControlBreak()) {
45: return true;
46: }
47: }
48: return false;
49: }
50: }
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