35 lines
1009 B
C
35 lines
1009 B
C
/* go-unreflect.c -- implement unsafe.Unreflect for Go.
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Copyright 2009 The Go Authors. All rights reserved.
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Use of this source code is governed by a BSD-style
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license that can be found in the LICENSE file. */
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#include "go-alloc.h"
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#include "go-panic.h"
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#include "go-type.h"
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#include "interface.h"
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/* Implement unsafe.Unreflect. */
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struct __go_empty_interface Unreflect (struct __go_empty_interface type,
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void *object)
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asm ("libgo_unsafe.unsafe.Unreflect");
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struct __go_empty_interface
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Unreflect (struct __go_empty_interface type, void *object)
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{
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struct __go_empty_interface ret;
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if (((uintptr_t) type.__type_descriptor & reflectFlags) != 0)
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__go_panic_msg ("invalid interface value");
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/* FIXME: We should check __type_descriptor to verify that this is
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really a type descriptor. */
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ret.__type_descriptor = type.__object;
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if (__go_is_pointer_type (ret.__type_descriptor))
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ret.__object = *(void **) object;
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else
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ret.__object = object;
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return ret;
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}
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