|
13514
|
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 }
|
