static void wrapClassNotFoundException(Env* env, const char* className) {
Object* exception = rvmExceptionOccurred(env);
if (exception && exception->clazz == java_lang_ClassNotFoundException) {
// If ClassNotFoundException is thrown we have to wrap it in a NoClassDefFoundError
exception = rvmExceptionClear(env);
Method* constructor = rvmGetInstanceMethod(env, java_lang_NoClassDefFoundError, "<init>", "(Ljava/lang/String;)V");
if (!constructor) return;
Object* message = rvmNewStringUTF(env, className, -1);
if (!message) return;
Object* wrappedException = rvmNewObject(env, java_lang_NoClassDefFoundError, constructor, message);
if (!wrappedException) return;
Class* java_lang_StackTraceElement = rvmFindClassUsingLoader(env, "java/lang/StackTraceElement", NULL);
if (!java_lang_StackTraceElement) return;
ObjectArray* stackTrace = rvmNewObjectArray(env, 0, java_lang_StackTraceElement, NULL, NULL);
if (!stackTrace) return;
Method* setStackTrace = rvmGetInstanceMethod(env, java_lang_Throwable, "setStackTrace", "([Ljava/lang/StackTraceElement;)V");
if (!setStackTrace) return;
rvmCallVoidInstanceMethod(env, wrappedException, setStackTrace, stackTrace);
if (rvmExceptionCheck(env)) return;
Method* initCause = rvmGetInstanceMethod(env, java_lang_NoClassDefFoundError, "initCause", "(Ljava/lang/Throwable;)Ljava/lang/Throwable;");
if (!initCause) return;
rvmCallObjectInstanceMethod(env, wrappedException, initCause, exception);
if (!rvmExceptionCheck(env)) rvmThrow(env, wrappedException);
}
}
jboolean rvmThrowNew(Env* env, Class* clazz, const char* message) {
Method* constructor = rvmGetInstanceMethod(env, clazz, "<init>", "(Ljava/lang/String;)V");
if (!constructor) return FALSE;
Object* string = NULL;
// TODO: Check that clazz != NULL?
if (message) {
string = rvmNewStringUTF(env, message, -1);
if (!string) return FALSE;
}
Object* e = rvmNewObject(env, clazz, constructor, string);
if (!e) return FALSE;
rvmThrow(env, e);
return TRUE;
}
void rvmInitialize(Env* env, Class* clazz) {
obtainClassLock();
// TODO: Throw java.lang.NoClassDefFoundError if state == CLASS_ERROR?
if (CLASS_IS_STATE_ERROR(clazz)) {
// TODO: Add the class' binary name in the message
rvmThrowNew(env, java_lang_NoClassDefFoundError, "Could not initialize class ??");
releaseClassLock();
return;
}
if (!CLASS_IS_STATE_INITIALIZED(clazz) && !CLASS_IS_STATE_INITIALIZING(clazz)) {
jint oldState = clazz->flags & CLASS_STATE_MASK;
clazz->flags = (clazz->flags & (~CLASS_STATE_MASK)) | CLASS_STATE_INITIALIZING;
if (clazz->superclass) {
rvmInitialize(env, clazz->superclass);
if (rvmExceptionOccurred(env)) {
clazz->flags = (clazz->flags & (~CLASS_STATE_MASK)) | oldState;
releaseClassLock();
return;
}
}
TRACEF("Initializing class %s", clazz->name);
void* initializer = clazz->initializer;
if (!initializer) {
if (!CLASS_IS_ARRAY(clazz) && !CLASS_IS_PROXY(clazz) && !CLASS_IS_PRIMITIVE(clazz)) {
env->vm->options->classInitialized(env, clazz);
}
clazz->flags = (clazz->flags & (~CLASS_STATE_MASK)) | CLASS_STATE_INITIALIZED;
releaseClassLock();
return;
}
CallInfo* callInfo = call0AllocateCallInfo(env, initializer, 1, 0, 0, 0, 0);
call0AddPtr(callInfo, env);
void (*f)(CallInfo*) = (void (*)(CallInfo*)) _call0;
rvmPushGatewayFrame(env);
TrycatchContext tc = {0};
tc.sel = CATCH_ALL_SEL;
if (!rvmTrycatchEnter(env, &tc)) {
f(callInfo);
}
rvmTrycatchLeave(env);
rvmPopGatewayFrame(env);
Object* exception = rvmExceptionClear(env);
if (exception) {
clazz->flags = (clazz->flags & (~CLASS_STATE_MASK)) | CLASS_STATE_ERROR;
if (!rvmIsInstanceOf(env, exception, java_lang_Error)) {
// If exception isn't an instance of java.lang.Error
// we must wrap it in a java.lang.ExceptionInInitializerError
Method* constructor = rvmGetInstanceMethod(env, java_lang_ExceptionInInitializerError, "<init>", "(Ljava/lang/Throwable;)V");
if (!constructor) return;
Object* wrappedException = rvmNewObject(env, java_lang_ExceptionInInitializerError, constructor, exception);
if (!wrappedException) return;
exception = wrappedException;
}
rvmThrow(env, exception);
releaseClassLock();
return;
}
if (!CLASS_IS_ARRAY(clazz) && !CLASS_IS_PROXY(clazz) && !CLASS_IS_PRIMITIVE(clazz)) {
env->vm->options->classInitialized(env, clazz);
}
clazz->flags = (clazz->flags & (~CLASS_STATE_MASK)) | CLASS_STATE_INITIALIZED;
}
releaseClassLock();
}
