// FIXME:This method should be module.
@RubyLevelMethod(name = "raise", alias = "fail")
public static RubyValue raise(RubyValue value, RubyArray args) {
RubyExceptionValue e;
if (null == args) {
// With no arguments, raises the exception in $! or raises a RuntimeError if $! is nil.
RubyValue v = GlobalVariables.get("$!");
if (RubyConstant.QNIL == v) {
e = new RubyExceptionValue(RubyRuntime.RuntimeErrorClass, "");
} else {
e = (RubyExceptionValue) v;
}
} else if (1 == args.size() && (args.get(0) instanceof RubyString)) {
// With a single String argument, raises a RuntimeError with the string as a message.
e =
new RubyExceptionValue(
RubyRuntime.RuntimeErrorClass, ((RubyString) args.get(0)).toString());
} else if (args.get(0) instanceof RubyExceptionValue) {
// Otherwise, the first parameter should be the name of an Exception class
// (or an object that returns an Exception when sent exception). The optional second
// parameter sets the message associated with the exception, and the third parameter
// is an array of callback information.
e = (RubyExceptionValue) args.get(0);
if (args.size() > 1) {
e.setMessage(((RubyString) args.get(1)).toString());
}
} else {
RubyClass v = (RubyClass) args.get(0);
e = new RubyExceptionValue(v, 1 == args.size() ? "" : ((RubyString) args.get(1)).toString());
}
throw new RubyException(e);
}
public RubyValue clone() {
RubyExceptionValue cl = new RubyExceptionValue(this.class_, this.message_, this.throwable_);
cl.setException(this.exception_);
cl.doClone(this);
return cl;
}