Beispiel #1
0
  static void emitToNativeConversion(
      AsmBuilder builder, SkinnyMethodAdapter mv, ToNativeType toNativeType) {
    ToNativeConverter parameterConverter = toNativeType.getToNativeConverter();
    if (parameterConverter != null) {
      Method toNativeMethod = getToNativeMethod(toNativeType, builder.getClassLoader());

      if (toNativeType.getDeclaredType().isPrimitive()) {
        boxValue(
            builder,
            mv,
            getBoxedClass(toNativeType.getDeclaredType()),
            toNativeType.getDeclaredType());
      }
      if (!toNativeMethod.getParameterTypes()[0].isAssignableFrom(
          getBoxedClass(toNativeType.getDeclaredType()))) {
        mv.checkcast(toNativeMethod.getParameterTypes()[0]);
      }

      mv.aload(0);
      AsmBuilder.ObjectField toNativeConverterField =
          builder.getToNativeConverterField(parameterConverter);
      mv.getfield(
          builder.getClassNamePath(),
          toNativeConverterField.name,
          ci(toNativeConverterField.klass));
      if (!toNativeMethod.getDeclaringClass().equals(toNativeConverterField.klass)) {
        mv.checkcast(toNativeMethod.getDeclaringClass());
      }

      // Re-order so the value to be converted is on the top of the stack
      mv.swap();

      // load context parameter (if there is one)
      if (toNativeType.getToNativeContext() != null) {
        getfield(mv, builder, builder.getToNativeContextField(toNativeType.getToNativeContext()));
      } else {
        mv.aconst_null();
      }

      if (toNativeMethod.getDeclaringClass().isInterface()) {
        mv.invokeinterface(
            toNativeMethod.getDeclaringClass(),
            toNativeMethod.getName(),
            toNativeMethod.getReturnType(),
            toNativeMethod.getParameterTypes());
      } else {
        mv.invokevirtual(
            toNativeMethod.getDeclaringClass(),
            toNativeMethod.getName(),
            toNativeMethod.getReturnType(),
            toNativeMethod.getParameterTypes());
      }
      if (!parameterConverter.nativeType().isAssignableFrom(toNativeMethod.getReturnType())) {
        mv.checkcast(p(parameterConverter.nativeType()));
      }
    }
  }
Beispiel #2
0
 static void getfield(SkinnyMethodAdapter mv, AsmBuilder builder, AsmBuilder.ObjectField field) {
   mv.aload(0);
   mv.getfield(builder.getClassNamePath(), field.name, ci(field.klass));
 }