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/* go-unreflect.c -- implement unsafe.Unreflect for Go.

   Copyright 2009 The Go Authors. All rights reserved.

   Use of this source code is governed by a BSD-style

   license that can be found in the LICENSE file.  */

#include "runtime.h"

#include "go-alloc.h"

#include "go-type.h"

#include "interface.h"

/* Implement unsafe.Unreflect.  */

struct __go_empty_interface Unreflect (struct __go_empty_interface type,

                                       void *object)

  asm ("libgo_unsafe.unsafe.Unreflect");

struct __go_empty_interface

Unreflect (struct __go_empty_interface type, void *object)

{

  struct __go_empty_interface ret;

  if (((uintptr_t) type.__type_descriptor & reflectFlags) != 0)

    runtime_panicstring ("invalid interface value");

  /* FIXME: We should check __type_descriptor to verify that this is

     really a type descriptor.  */

  ret.__type_descriptor = type.__object;

  if (__go_is_pointer_type (ret.__type_descriptor))

    ret.__object = *(void **) object;

  else

    ret.__object = object;

  return ret;

}