Ejemplo n.º 1
0
  void generateDefaultIfNeeded(
      @NotNull MethodContext owner,
      @NotNull FunctionDescriptor functionDescriptor,
      @NotNull OwnerKind kind,
      @NotNull DefaultParameterValueLoader loadStrategy,
      @Nullable JetNamedFunction function) {
    DeclarationDescriptor contextClass = owner.getContextDescriptor().getContainingDeclaration();

    if (kind != OwnerKind.DEFAULT_IMPLS && isInterface(contextClass)) {
      return;
    }

    if (!isDefaultNeeded(functionDescriptor)) {
      return;
    }

    int flags =
        getVisibilityAccessFlag(functionDescriptor)
            | getDeprecatedAccessFlag(functionDescriptor)
            | ACC_SYNTHETIC;
    if (!(functionDescriptor instanceof ConstructorDescriptor)) {
      flags |= ACC_STATIC;
    }
    // $default methods are never private to be accessible from other class files (e.g. inner)
    // without the need of synthetic accessors
    flags &= ~ACC_PRIVATE;

    Method defaultMethod = typeMapper.mapDefaultMethod(functionDescriptor, kind);

    MethodVisitor mv =
        v.newMethod(
            Synthetic(function, functionDescriptor),
            flags,
            defaultMethod.getName(),
            defaultMethod.getDescriptor(),
            null,
            getThrownExceptions(functionDescriptor, typeMapper));

    // Only method annotations are copied to the $default method. Parameter annotations are not
    // copied until there are valid use cases;
    // enum constructors have two additional synthetic parameters which somewhat complicate this
    // task
    AnnotationCodegen.forMethod(mv, typeMapper)
        .genAnnotations(functionDescriptor, defaultMethod.getReturnType());

    if (state.getClassBuilderMode() == ClassBuilderMode.FULL) {
      if (this.owner instanceof DelegatingFacadeContext) {
        mv.visitCode();
        generateFacadeDelegateMethodBody(mv, defaultMethod, (DelegatingFacadeContext) this.owner);
        endVisit(mv, "default method delegation", getSourceFromDescriptor(functionDescriptor));
      } else {
        mv.visitCode();
        generateDefaultImplBody(
            owner, functionDescriptor, mv, loadStrategy, function, memberCodegen);
        endVisit(mv, "default method", getSourceFromDescriptor(functionDescriptor));
      }
    }
  }
Ejemplo n.º 2
0
  private void generateMethodAnnotations(
      @NotNull FunctionDescriptor functionDescriptor, Method asmMethod, MethodVisitor mv) {
    AnnotationCodegen annotationCodegen = AnnotationCodegen.forMethod(mv, typeMapper);

    if (functionDescriptor instanceof PropertyAccessorDescriptor) {
      AnnotationUseSiteTarget target =
          functionDescriptor instanceof PropertySetterDescriptor
              ? PROPERTY_SETTER
              : PROPERTY_GETTER;
      annotationCodegen.genAnnotations(functionDescriptor, asmMethod.getReturnType(), target);
    } else {
      annotationCodegen.genAnnotations(functionDescriptor, asmMethod.getReturnType());
    }

    writePackageFacadeMethodAnnotationsIfNeeded(mv);
  }