github.com/llvm-mirror/llgo@v0.0.0-20190322182713-bf6f0a60fce1/third_party/gofrontend/libgo/runtime/reflect.goc (about)

     1  // Copyright 2010 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package reflect
     6  #include "runtime.h"
     7  #include "go-type.h"
     8  #include "interface.h"
     9  #include "go-panic.h"
    10  
    11  func ifaceE2I(inter *Type, e Eface, ret *Iface) {
    12  	const Type *t;
    13  	Eface err;
    14  
    15  	t = e.__type_descriptor;
    16  	if(t == nil) {
    17  		// explicit conversions require non-nil interface value.
    18  		runtime_newTypeAssertionError(
    19  			nil, nil, inter->__reflection,
    20  			nil, &err);
    21  		runtime_panic(err);
    22  	}
    23  	ret->__object = e.__object;
    24  	ret->__methods = __go_convert_interface(inter, t);
    25  }