extern "C" VALUE
rb_rescue(VALUE (*b_proc)(ANYARGS), VALUE data1, VALUE (*r_proc)(ANYARGS), VALUE data2)
{
try {
return (*b_proc)(data1);
} catch (jruby::JavaException& ex) {
JLocalEnv env;
jthrowable t = ex.getCause(env);
if (!env->IsInstanceOf(t, RaiseException_class)) {
// Not a ruby exception, just propagate
throw;
}
jobject rubyException = env->GetObjectField(t, RaiseException_exception_field);
checkExceptions(env);
VALUE exc = objectToValue(env, rubyException);
if (rb_obj_is_kind_of(exc, rb_eStandardError)) {
VALUE result = (*r_proc)(data2);
env->CallStaticVoidMethod(JRuby_class, JRuby_clearErrorInfo, jruby::getRuntime());
return result;
}
rb_raise(rb_eTypeError, "wrong exception type raised (expected StandardError subclass)");
return Qnil;
}
}
int
RubyString::length()
{
// If already synced with java, just return the cached length value
if (rwdata.rstring != NULL) {
return rwdata.rstring->len;
}
JLocalEnv env;
jobject byteList = env->GetObjectField(obj, RubyString_value_field);
return env->GetIntField(byteList, ByteList_length_field);
}
extern "C" VALUE
rb_rescue2(VALUE (*b_proc)(ANYARGS), VALUE data1, VALUE (*r_proc)(ANYARGS), VALUE data2, ...)
{
try {
return (*b_proc)(data1);
} catch (jruby::JavaException& ex) {
JLocalEnv env;
jthrowable t = ex.getCause(env);
if (!env->IsInstanceOf(t, RaiseException_class)) {
// Not a ruby exception, just propagate
throw;
}
jobject rubyException = env->GetObjectField(t, RaiseException_exception_field);
checkExceptions(env);
VALUE exc = objectToValue(env, rubyException);
va_list ap;
va_start(ap, data2);
VALUE eclass = 0;
bool handle = false;
while ((eclass = va_arg(ap, VALUE)) != 0) {
if (rb_obj_is_kind_of(exc, eclass)) {
handle = true;
break;
}
}
va_end(ap);
if (handle) {
VALUE result = (*r_proc)(data2);
env->CallStaticVoidMethod(JRuby_class, JRuby_clearErrorInfo, jruby::getRuntime());
return result;
}
rb_raise(rb_eTypeError, "wrong exception type raised");
return Qnil;
}
}