static void
launch_jvm_in_proc(mrb_state *mrb, CreateJavaVM_t *createJavaVM, char *java_main_class, char **java_opts, int java_optsc, char **ruby_opts, int ruby_optsc)
{
int i;
JavaVM *jvm;
JNIEnv *env;
JavaVMInitArgs jvm_init_args;
JavaVMOption jvm_opts[java_optsc];
for (i = 0; i < java_optsc; i++) {
jvm_opts[i].extraInfo = 0;
jvm_opts[i].optionString = java_opts[i];
if (strcmp("-client", jvm_opts[i].optionString) == 0) {
mrb_raise(mrb, E_ARGUMENT_ERROR, "-client is not a valid option");
} else if (strcmp("-server", jvm_opts[i].optionString) == 0) {
mrb_raise(mrb, E_ARGUMENT_ERROR, "-server is not a valid option");
}
}
jvm_init_args.options = jvm_opts;
jvm_init_args.nOptions = java_optsc;
jvm_init_args.version = JNI_VERSION_1_4;
jvm_init_args.ignoreUnrecognized = JNI_FALSE;
if (createJavaVM(&jvm, (void**)&env, &jvm_init_args) < 0) {
mrb_raise(mrb, E_RUNTIME_ERROR, "JVM creation failed");
}
jclass main_class = (*env)->FindClass(env, java_main_class);
if (!main_class) {
mrb_raise(mrb, E_ARGUMENT_ERROR, java_main_class);
}
jmethodID main_method = (*env)->GetStaticMethodID(env, main_class, "main", "([Ljava/lang/String;)V");
if (!main_method) {
mrb_raise(mrb, E_ARGUMENT_ERROR, "Cannot get main method.");
}
jclass j_class_string = (*env)->FindClass(env, "java/lang/String");
jstring j_string_arg = (*env)->NewStringUTF(env, "");
jobjectArray main_args = (*env)->NewObjectArray(env, ruby_optsc, j_class_string, j_string_arg);
for (i = 0; i < ruby_optsc; i++) {
jstring j_string_arg = (*env)->NewStringUTF(env, ruby_opts[i]);
if (!j_string_arg) {
mrb_raise(mrb, E_ARGUMENT_ERROR, "NewStringUTF() failed");
}
(*env)->SetObjectArrayElement(env, main_args, i, j_string_arg);
}
(*env)->CallStaticVoidMethod(env, main_class, main_method, main_args);
if (env && (*env)->ExceptionOccurred(env)) {
(*env)->ExceptionDescribe(env);
}
(*jvm)->DestroyJavaVM(jvm);
}
/*
* Class: VM_JNIFunctions
* Method: createJavaVM
* Signature: ()I
*/
extern "C" JNIEXPORT jint JNICALL
Java_com_ibm_JikesRVM_jni_VM_1JNIFunctions_createJavaVM(JNIEnv *, jclass)
{
return createJavaVM();
}
