35 lines
1013 B
C
35 lines
1013 B
C
/* 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;
|
|
}
|