extern "C" int
rb_respond_to(VALUE obj, ID id)
{
JLocalEnv env;
jboolean ret = env->CallBooleanMethod(valueToObject(env, obj), IRubyObject_respondsTo_method, idToString(env, id));
checkExceptions(env);
return ret != JNI_FALSE;
}
extern "C" VALUE
rb_ivar_defined(VALUE obj, ID ivar)
{
JLocalEnv env;
const char* name = rb_id2name(ivar);
char var_name[strlen(name) + 2];
(name[0] != '@') ? strcpy(var_name, "@")[0] : var_name[0] = '\0';
strcat(var_name, name);
jboolean retval = env->CallBooleanMethod(valueToObject(env, obj), RubyBasicObject_hasInstanceVariable_method,
env->NewStringUTF(var_name));
checkExceptions(env);
return (retval == JNI_TRUE) ? Qtrue : Qfalse;
}