Mercurial > hg > graal-compiler
comparison graal/com.oracle.truffle.ruby.runtime/src/com/oracle/truffle/ruby/runtime/control/ExceptionTranslator.java @ 13514:0fbee3eb71f0
Ruby: import project.
author | Chris Seaton <chris.seaton@oracle.com> |
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date | Mon, 06 Jan 2014 17:12:09 +0000 |
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13513:64a23ce736a0 | 13514:0fbee3eb71f0 |
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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.runtime.control; | |
11 | |
12 import com.oracle.truffle.api.*; | |
13 import com.oracle.truffle.ruby.runtime.*; | |
14 import com.oracle.truffle.ruby.runtime.core.*; | |
15 import com.oracle.truffle.ruby.runtime.objects.*; | |
16 | |
17 public final class ExceptionTranslator { | |
18 | |
19 /** | |
20 * Translate a Java exception into a Ruby exception. | |
21 */ | |
22 public static RubyBasicObject translateException(RubyContext context, Throwable exception) { | |
23 assert context != null; | |
24 assert exception != null; | |
25 | |
26 CompilerAsserts.neverPartOfCompilation(); | |
27 | |
28 // RaiseException already includes the Ruby exception | |
29 | |
30 if (exception instanceof RaiseException) { | |
31 return ((RaiseException) exception).getRubyException(); | |
32 } | |
33 | |
34 // Translate divide by zero into ZeroDivisionError | |
35 | |
36 if (exception instanceof ArithmeticException && (exception.getMessage().endsWith("divide by zero") || exception.getMessage().endsWith("/ by zero"))) { | |
37 return new RubyException(context.getCoreLibrary().getZeroDivisionErrorClass(), "divided by 0"); | |
38 } | |
39 | |
40 /* | |
41 * If we can't translate the exception into a Ruby exception, then the error is ours and we | |
42 * report it as as RubyTruffleError. If a programmer sees this then it's a bug in our | |
43 * implementation. | |
44 */ | |
45 | |
46 if (context.getConfiguration().getPrintJavaExceptions()) { | |
47 exception.printStackTrace(); | |
48 } | |
49 | |
50 String message; | |
51 | |
52 if (exception.getMessage() == null) { | |
53 message = exception.getClass().getSimpleName(); | |
54 } else { | |
55 message = exception.getMessage(); | |
56 } | |
57 | |
58 return new RubyException(context.getCoreLibrary().getRubyTruffleErrorClass(), message); | |
59 } | |
60 | |
61 } |