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RubySignalException.java
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RubySignalException.java
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/***** BEGIN LICENSE BLOCK *****
* Version: EPL 2.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Eclipse Public
* License Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.eclipse.org/legal/epl-v20.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the EPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the EPL, the GPL or the LGPL.
***** END LICENSE BLOCK *****/
package org.jruby;
import static jnr.constants.platform.Signal.NSIG;
import org.jruby.anno.JRubyClass;
import org.jruby.anno.JRubyMethod;
import org.jruby.exceptions.RaiseException;
import org.jruby.exceptions.SignalException;
import org.jruby.runtime.Arity;
import org.jruby.runtime.Block;
import org.jruby.runtime.ThreadContext;
import static org.jruby.runtime.Visibility.PRIVATE;
import org.jruby.runtime.builtin.IRubyObject;
import org.jruby.util.TypeConverter;
/**
* The Java representation of a Ruby SignalException.
*
* @see SignalException
*/
@JRubyClass(name="SignalException", parent="Exception")
public class RubySignalException extends RubyException {
protected RubySignalException(Ruby runtime, RubyClass exceptionClass) {
super(runtime, exceptionClass);
}
@Override
protected RaiseException constructThrowable(String message) {
return new SignalException(message, this);
}
static RubyClass define(Ruby runtime, RubyClass exceptionClass) {
RubyClass signalExceptionClass = runtime.defineClass("SignalException", exceptionClass, RubySignalException::new);
signalExceptionClass.defineAnnotatedMethods(RubySignalException.class);
return signalExceptionClass;
}
@JRubyMethod(required = 1, optional = 2, checkArity = false, visibility = PRIVATE)
public IRubyObject initialize(ThreadContext context, IRubyObject[] args, Block block) {
int argc = Arity.checkArgumentCount(context, args, 1, 2);
final Ruby runtime = context.runtime;
int argnum = 1;
IRubyObject sig = TypeConverter.checkToInteger(runtime, args[0], "to_int");
if (sig.isNil()) {
sig = args[0];
Arity.checkArgumentCount(runtime, args, 1, argnum);
} else {
argnum = 2;
}
long _signo;
if (argnum == 2) {
_signo = sig.convertToInteger().getLongValue();
if (_signo < 0 || _signo > NSIG.longValue()) {
throw runtime.newArgumentError("invalid signal number (" + _signo + ")");
}
if (argc > 1) {
sig = args[1];
} else {
sig = runtime.newString(RubySignal.signmWithPrefix(RubySignal.signo2signm(_signo)));
}
} else {
String signm = sig.toString();
_signo = RubySignal.signm2signo(RubySignal.signmWithoutPrefix(signm));
if (_signo == 0) {
throw runtime.newArgumentError("unsupported name " + sig);
}
sig = runtime.newString(RubySignal.signmWithPrefix(signm));
}
super.initialize(new IRubyObject[]{sig}, block);
this.signo = runtime.newFixnum(_signo);
return this;
}
@JRubyMethod
public IRubyObject signo(ThreadContext context) {
assert signo != null;
if (signo == RubyBasicObject.UNDEF) return context.nil;
return signo;
}
@JRubyMethod(name = {"message","signm"})
@Override
public IRubyObject message(ThreadContext context) {
return super.message(context);
}
private IRubyObject signo;
}