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comparison graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/methods/CatchNextNode.java @ 13514:0fbee3eb71f0

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Ruby: import project.
author Chris Seaton <chris.seaton@oracle.com>
date Mon, 06 Jan 2014 17:12:09 +0000
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children 44288fe54352
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13513:64a23ce736a0 13514:0fbee3eb71f0
1 /*
2 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This
3 * code is released under a tri EPL/GPL/LGPL license. You can use it,
4 * redistribute it and/or modify it under the terms of the:
5 *
6 * Eclipse Public License version 1.0
7 * GNU General Public License version 2
8 * GNU Lesser General Public License version 2.1
9 */
10 package com.oracle.truffle.ruby.nodes.methods;
11
12 import com.oracle.truffle.api.*;
13 import com.oracle.truffle.api.frame.*;
14 import com.oracle.truffle.api.utilities.*;
15 import com.oracle.truffle.ruby.nodes.*;
16 import com.oracle.truffle.ruby.runtime.*;
17 import com.oracle.truffle.ruby.runtime.control.*;
18
19 /**
20 * Catch a {@code next} jump at the root of a method.
21 */
22 public class CatchNextNode extends RubyNode {
23
24 @Child protected RubyNode body;
25
26 private final BranchProfile nextProfile = new BranchProfile();
27
28 public CatchNextNode(RubyContext context, SourceSection sourceSection, RubyNode body) {
29 super(context, sourceSection);
30 this.body = adoptChild(body);
31 }
32
33 @Override
34 public Object execute(VirtualFrame frame) {
35 try {
36 return body.execute(frame);
37 } catch (NextException e) {
38 nextProfile.enter();
39 return NilPlaceholder.INSTANCE;
40 }
41 }
42
43 }