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annotate 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
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0fbee3eb71f0 Ruby: import project.
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1 /*
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2 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This
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3 * code is released under a tri EPL/GPL/LGPL license. You can use it,
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4 * redistribute it and/or modify it under the terms of the:
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5 *
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6 * Eclipse Public License version 1.0
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7 * GNU General Public License version 2
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8 * GNU Lesser General Public License version 2.1
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9 */
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10 package com.oracle.truffle.ruby.nodes.methods;
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11
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12 import com.oracle.truffle.api.*;
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13 import com.oracle.truffle.api.frame.*;
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14 import com.oracle.truffle.ruby.nodes.*;
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15 import com.oracle.truffle.ruby.runtime.*;
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16 import com.oracle.truffle.ruby.runtime.control.*;
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17
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18 /**
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19 * Catch a {@code return} jump at the root of a method, and report it as an error.
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20 */
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21 public class CatchReturnAsErrorNode extends RubyNode {
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22
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23 @Child protected RubyNode body;
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24
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25 public CatchReturnAsErrorNode(RubyContext context, SourceSection sourceSection, RubyNode body) {
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26 super(context, sourceSection);
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27 this.body = adoptChild(body);
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28 }
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29
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30 @Override
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31 public Object execute(VirtualFrame frame) {
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32 try {
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33 return body.execute(frame);
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34 } catch (ReturnException e) {
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35 CompilerDirectives.transferToInterpreter();
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36 throw new RaiseException(getContext().getCoreLibrary().unexpectedReturn());
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37 }
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38 }
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39
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40 }