32 lines
860 B
Plaintext
32 lines
860 B
Plaintext
// Copyright 2010 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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package reflect
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#include "go-type.h"
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#include "interface.h"
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#include "runtime.h"
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#include "go-panic.h"
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typedef struct __go_type_descriptor Type;
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typedef struct __go_interface Iface;
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typedef struct __go_empty_interface Eface;
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func ifaceE2I(inter *Type, e Eface, ret *Iface) {
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const Type *t;
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Eface err;
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if(((uintptr)e.__type_descriptor&reflectFlags) != 0)
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runtime_throw("invalid interface value");
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t = e.__type_descriptor;
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if(t == nil) {
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// explicit conversions require non-nil interface value.
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newTypeAssertionError(nil, nil, inter,
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nil, nil, inter->__reflection,
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nil, &err);
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__go_panic(err);
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}
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ret->__object = e.__object;
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ret->__methods = __go_convert_interface(inter, t);
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}
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