diff options
author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
---|---|---|
committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libgo/runtime/reflect.goc | |
download | cbb-gcc-4.6.4-554fd8c5195424bdbcabf5de30fdc183aba391bd.tar.bz2 cbb-gcc-4.6.4-554fd8c5195424bdbcabf5de30fdc183aba391bd.tar.xz |
obtained gcc-4.6.4.tar.bz2 from upstream website;upstream
verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.
downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.
if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.
Diffstat (limited to 'libgo/runtime/reflect.goc')
-rw-r--r-- | libgo/runtime/reflect.goc | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/libgo/runtime/reflect.goc b/libgo/runtime/reflect.goc new file mode 100644 index 000000000..01d218adb --- /dev/null +++ b/libgo/runtime/reflect.goc @@ -0,0 +1,35 @@ +// Copyright 2010 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. + +package reflect +#include "go-type.h" +#include "interface.h" +#define nil NULL +typedef unsigned char byte; + +typedef struct __go_interface Iface; +typedef struct __go_empty_interface Eface; + +func setiface(typ *byte, x *byte, ret *byte) { + struct __go_interface_type *t; + const struct __go_type_descriptor* xt; + + /* FIXME: We should check __type_descriptor to verify that + this is really a type descriptor. */ + t = (struct __go_interface_type *)typ; + if(t->__methods.__count == 0) { + // already an empty interface + *(Eface*)ret = *(Eface*)x; + return; + } + xt = ((Eface*)x)->__type_descriptor; + if(xt == nil) { + // can assign nil to any interface + ((Iface*)ret)->__methods = nil; + ((Iface*)ret)->__object = nil; + return; + } + ((Iface*)ret)->__methods = __go_convert_interface(&t->__common, xt); + ((Iface*)ret)->__object = ((Eface*)x)->__object; +} |