static void emitFromNativeConversion( AsmBuilder builder, SkinnyMethodAdapter mv, FromNativeType fromNativeType, Class nativeClass) { // If there is a result converter, retrieve it and put on the stack FromNativeConverter fromNativeConverter = fromNativeType.getFromNativeConverter(); if (fromNativeConverter != null) { convertPrimitive( mv, nativeClass, unboxedType(fromNativeConverter.nativeType()), fromNativeType.getNativeType()); boxValue(builder, mv, fromNativeConverter.nativeType(), nativeClass); Method fromNativeMethod = getFromNativeMethod(fromNativeType, builder.getClassLoader()); getfield(mv, builder, builder.getFromNativeConverterField(fromNativeConverter)); mv.swap(); if (fromNativeType.getFromNativeContext() != null) { getfield( mv, builder, builder.getFromNativeContextField(fromNativeType.getFromNativeContext())); } else { mv.aconst_null(); } if (fromNativeMethod.getDeclaringClass().isInterface()) { mv.invokeinterface( fromNativeMethod.getDeclaringClass(), fromNativeMethod.getName(), fromNativeMethod.getReturnType(), fromNativeMethod.getParameterTypes()); } else { mv.invokevirtual( fromNativeMethod.getDeclaringClass(), fromNativeMethod.getName(), fromNativeMethod.getReturnType(), fromNativeMethod.getParameterTypes()); } if (fromNativeType.getDeclaredType().isPrimitive()) { // The actual return type is a primitive, but there was a converter for it - extract the // primitive value Class boxedType = getBoxedClass(fromNativeType.getDeclaredType()); if (!boxedType.isAssignableFrom(fromNativeMethod.getReturnType())) mv.checkcast(p(boxedType)); unboxNumber( mv, boxedType, fromNativeType.getDeclaredType(), fromNativeType.getNativeType()); } else if (!fromNativeType .getDeclaredType() .isAssignableFrom(fromNativeMethod.getReturnType())) { mv.checkcast(p(fromNativeType.getDeclaredType())); } } else if (!fromNativeType.getDeclaredType().isPrimitive()) { Class unboxedType = unboxedType(fromNativeType.getDeclaredType()); convertPrimitive(mv, nativeClass, unboxedType, fromNativeType.getNativeType()); boxValue(builder, mv, fromNativeType.getDeclaredType(), unboxedType); } }