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comparison graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/methods/CatchReturnAsErrorNode.java @ 13529:856c2c294f84

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Merge.
author Christian Humer <christian.humer@gmail.com>
date Tue, 07 Jan 2014 18:53:04 +0100
parents 0fbee3eb71f0
children
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13528:5a0c694ef735 13529:856c2c294f84
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.ruby.nodes.*;
15 import com.oracle.truffle.ruby.runtime.*;
16 import com.oracle.truffle.ruby.runtime.control.*;
17
18 /**
19 * Catch a {@code return} jump at the root of a method, and report it as an error.
20 */
21 public class CatchReturnAsErrorNode extends RubyNode {
22
23 @Child protected RubyNode body;
24
25 public CatchReturnAsErrorNode(RubyContext context, SourceSection sourceSection, RubyNode body) {
26 super(context, sourceSection);
27 this.body = adoptChild(body);
28 }
29
30 @Override
31 public Object execute(VirtualFrame frame) {
32 try {
33 return body.execute(frame);
34 } catch (ReturnException e) {
35 CompilerDirectives.transferToInterpreter();
36 throw new RaiseException(getContext().getCoreLibrary().unexpectedReturn());
37 }
38 }
39
40 }