update NOTICE

[nit.git] / lib / jvm.nit

diff --git a/lib/jvm.nit b/lib/jvm.nit
index e4c52a2..abdcab6 100644 (file)
--- a/lib/jvm.nit
+++ b/lib/jvm.nit
@@ -19,8 +19,8 @@
 #
 # See: http://docs.oracle.com/javase/1.5.0/docs/guide/jni/spec/jniTOC.html
 module jvm is
-       c_compiler_option("-I $(JAVA_HOME)/include/")
-       c_linker_option("-L $(JNI_LIB_PATH) -ljvm")
+       cflags "-I $(JAVA_HOME)/include/ -I $(JAVA_HOME)/include/linux/"
+       ldflags "-L $(JNI_LIB_PATH) -ljvm"
 end
 
 in "C Header" `{
@@ -30,7 +30,8 @@ in "C Header" `{
 # Utility to select options to create the VM using `create_jvm`
 #
 # Usage example:
-# ~~~~
+#
+# ~~~~nitish
 # var builder = new JavaVMBuilder
 # builder.options.add "-Djava.class.path=."
 # var jvm = builder.create_jvm
@@ -173,6 +174,7 @@ extern class JavaVM `{JavaVM *`}
                        JavaVM_jni_error(NULL, "Could not attach current thread to Java VM", res);
                        return NULL;
                }
+               return env;
        `}
 end
 
@@ -216,36 +218,41 @@ extern class JniEnv `{JNIEnv *`}
        # Call a method on `obj` designed by `method_id` with an array `args` of argument returning a JavaObject
        fun call_object_method(obj: JavaObject, method_id: JMethodID, args: nullable Array[nullable Object]): JavaObject import convert_args_to_jni `{
                jvalue * args_tab = JniEnv_convert_args_to_jni(recv, args);
-               (*recv)->CallObjectMethod(recv, obj, method_id, args_tab);
+               jobject res = (*recv)->CallObjectMethod(recv, obj, method_id, args_tab);
                free(args_tab);
+               return res;
        `}
        
        # Call a method on `obj` designed by `method_id` with an array `args` of arguments returning a Bool
        fun call_boolean_method(obj: JavaObject, method_id: JMethodID, args: nullable Array[nullable Object]): Bool import convert_args_to_jni `{
                jvalue * args_tab = JniEnv_convert_args_to_jni(recv, args);
-               return (*recv)->CallBooleanMethod(recv, obj, method_id, args_tab);
+               jboolean res = (*recv)->CallBooleanMethod(recv, obj, method_id, args_tab);
                free(args_tab);
+               return res;
        `}
 
        # Call a method on `obj` designed by `method_id` with an array `args` of arguments returning a Char
        fun call_char_method(obj: JavaObject, method_id: JMethodID, args: nullable Array[nullable Object]): Char import convert_args_to_jni `{
                jvalue * args_tab = JniEnv_convert_args_to_jni(recv, args);
-               return (*recv)->CallCharMethod(recv, obj, method_id, args_tab);
+               jchar res = (*recv)->CallCharMethod(recv, obj, method_id, args_tab);
                free(args_tab);
+               return res;
        `}
 
        # Call a method on `obj` designed by `method_id` with an array `args` of arguments returning an Int
        fun call_int_method(obj: JavaObject, method_id: JMethodID, args: nullable Array[nullable Object]): Int import convert_args_to_jni `{
                jvalue * args_tab = JniEnv_convert_args_to_jni(recv, args);
-               return (*recv)->CallIntMethod(recv, obj, method_id, args_tab);
+               jint res = (*recv)->CallIntMethod(recv, obj, method_id, args_tab);
                free(args_tab);
+               return res;
        `}
        
        # Call a method on `obj` designed by `method_id` with an array `args` of arguments returning a Float
        fun call_float_method(obj: JavaObject, method_id: JMethodID, args: nullable Array[nullable Object]): Float import convert_args_to_jni `{
                jvalue * args_tab = JniEnv_convert_args_to_jni(recv, args);
-               return (*recv)->CallFloatMethod(recv, obj, method_id, args_tab);
+               jfloat res = (*recv)->CallFloatMethod(recv, obj, method_id, args_tab);
                free(args_tab);
+               return res;
        `}
 
        # Call a method on `obj` designed by `method_id` with an array `args` of arguments returning a NativeString
@@ -381,6 +388,8 @@ extern class JniEnv `{JNIEnv *`}
        `}
 
        # Pops the current local reference frame on the JNI stack
+       #
+       # Similiar to `JavaObject::pop_from_local_frame` which returns a value.
        fun pop_local_frame `{
                (*recv)->PopLocalFrame(recv, NULL);
        `}
@@ -400,7 +409,7 @@ 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