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view graal/com.oracle.truffle.ruby.runtime/src/com/oracle/truffle/ruby/runtime/control/ExceptionTranslator.java @ 13563:fb846424299f
Truffle/Ruby: extend Instrumentation framework with language-agnostic interfaces for access to AST printing utilities and a Ruby implementation
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Tue, 07 Jan 2014 18:09:42 -0800 |
parents | 0fbee3eb71f0 |
children |
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/* * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This * code is released under a tri EPL/GPL/LGPL license. You can use it, * redistribute it and/or modify it under the terms of the: * * Eclipse Public License version 1.0 * GNU General Public License version 2 * GNU Lesser General Public License version 2.1 */ package com.oracle.truffle.ruby.runtime.control; import com.oracle.truffle.api.*; import com.oracle.truffle.ruby.runtime.*; import com.oracle.truffle.ruby.runtime.core.*; import com.oracle.truffle.ruby.runtime.objects.*; public final class ExceptionTranslator { /** * Translate a Java exception into a Ruby exception. */ public static RubyBasicObject translateException(RubyContext context, Throwable exception) { assert context != null; assert exception != null; CompilerAsserts.neverPartOfCompilation(); // RaiseException already includes the Ruby exception if (exception instanceof RaiseException) { return ((RaiseException) exception).getRubyException(); } // Translate divide by zero into ZeroDivisionError if (exception instanceof ArithmeticException && (exception.getMessage().endsWith("divide by zero") || exception.getMessage().endsWith("/ by zero"))) { return new RubyException(context.getCoreLibrary().getZeroDivisionErrorClass(), "divided by 0"); } /* * If we can't translate the exception into a Ruby exception, then the error is ours and we * report it as as RubyTruffleError. If a programmer sees this then it's a bug in our * implementation. */ if (context.getConfiguration().getPrintJavaExceptions()) { exception.printStackTrace(); } String message; if (exception.getMessage() == null) { message = exception.getClass().getSimpleName(); } else { message = exception.getMessage(); } return new RubyException(context.getCoreLibrary().getRubyTruffleErrorClass(), message); } }