X-Git-Url: http://nitlanguage.org

diff --git a/lib/jvm.nit b/lib/jvm.nit
index c969ecd..36d3189 100644
--- a/lib/jvm.nit
+++ b/lib/jvm.nit
@@ -118,7 +118,7 @@ extern class JavaVM `{JavaVM *`}
 	# Create the JVM, returns its handle and store the a pointer to JniEnv in `env_ref`
 	#
 	# Unavailable on Android, where you cannot instanciate a new JVM.
-	new(args: JavaVMInitArgs, env_ref: JniEnvRef) import jni_error, JniEnvRef.jni_env=, JniEnv as nullable `{
+	new(args: JavaVMInitArgs, env_ref: JniEnvRef) import jni_error, JniEnvRef.jni_env=, JniEnv.as nullable `{
 
 	#ifdef ANDROID
 		JavaVM_jni_error(NULL, "JVM creation not supported on Android", 0);
@@ -256,7 +256,7 @@ extern class JniEnv `{JNIEnv *`}
 		return (char*)(*recv)->GetStringUTFChars(recv, (jstring)jobj, NULL);
 	`}
 
-	private fun convert_args_to_jni(args: nullable Array[nullable Object]): Pointer import Array[nullable Object] as not nullable, Array[nullable Object].[], Array[nullable Object].length, nullable Object.as(Int), nullable Object.as(Char), nullable Object.as(Bool), nullable Object.as(Float), nullable Object.as(JavaObject), nullable Object.as(String), String.to_cstring, String.length `{
+	private fun convert_args_to_jni(args: nullable Array[nullable Object]): Pointer import Array[nullable Object].as not nullable, Array[nullable Object].[], Array[nullable Object].length, nullable Object.as(Int), nullable Object.as(Char), nullable Object.as(Bool), nullable Object.as(Float), nullable Object.as(JavaObject), nullable Object.as(String), String.to_cstring, String.length `{
 		if(nullable_Array_of_nullable_Object_is_null(args)){
 			return NULL;
 		}
@@ -374,6 +374,16 @@ extern class JniEnv `{JNIEnv *`}
 	fun string_to_jobject(string: String): JavaObject `{
 		return (*recv)->NewStringUTF(recv, String_to_cstring(string));
 	`}
+
+	# Pushes a local reference frame on the JNI stack
+	fun push_local_frame(capacity: Int): Bool `{
+		return (*recv)->PushLocalFrame(recv, capacity);
+	`}
+
+	# Pops the current local reference frame on the JNI stack
+	fun pop_local_frame `{
+		(*recv)->PopLocalFrame(recv, NULL);
+	`}
 end
 
 # used to initialize a JavaVM 
@@ -390,7 +400,7 @@ extern class JMethodID `{jmethodID`}
 end
 
 # Represens a jni jobject
-extern class JavaObject `{jobject`}
+extern class JavaObject in "Java" `{ java.lang.Object `}
 end
 
 # Represents a jni JNINNativeMethod