Exemplo n.º 1
0
  private void generateBridge(@NotNull Method bridge, @NotNull Method delegate) {
    if (bridge.equals(delegate)) return;

    MethodVisitor mv =
        v.newMethod(
            OtherOrigin(element, funDescriptor),
            ACC_PUBLIC | ACC_BRIDGE,
            bridge.getName(),
            bridge.getDescriptor(),
            null,
            ArrayUtil.EMPTY_STRING_ARRAY);

    if (state.getClassBuilderMode() != ClassBuilderMode.FULL) return;

    mv.visitCode();

    InstructionAdapter iv = new InstructionAdapter(mv);
    ImplementationBodyCodegen.markLineNumberForSyntheticFunction(
        DescriptorUtils.getParentOfType(funDescriptor, ClassDescriptor.class), iv);

    iv.load(0, asmType);

    ReceiverParameterDescriptor receiver = funDescriptor.getExtensionReceiverParameter();
    int count = 1;
    if (receiver != null) {
      StackValue.local(count, bridge.getArgumentTypes()[count - 1])
          .put(typeMapper.mapType(receiver.getType()), iv);
      count++;
    }

    List<ValueParameterDescriptor> params = funDescriptor.getValueParameters();
    for (ValueParameterDescriptor param : params) {
      StackValue.local(count, bridge.getArgumentTypes()[count - 1])
          .put(typeMapper.mapType(param.getType()), iv);
      count++;
    }

    iv.invokevirtual(
        asmType.getInternalName(), delegate.getName(), delegate.getDescriptor(), false);
    StackValue.onStack(delegate.getReturnType()).put(bridge.getReturnType(), iv);

    iv.areturn(bridge.getReturnType());

    FunctionCodegen.endVisit(mv, "bridge", element);
  }