7a9389330e
gcc/: * gcc.c (default_compilers): Add entry for ".go". * common.opt: Add -static-libgo as a driver option. * doc/install.texi (Configuration): Mention libgo as an option for --enable-shared. Mention go as an option for --enable-languages. * doc/invoke.texi (Overall Options): Mention .go as a file name suffix. Mention go as a -x option. * doc/frontends.texi (G++ and GCC): Mention Go as a supported language. * doc/sourcebuild.texi (Top Level): Mention libgo. * doc/standards.texi (Standards): Add section on Go language. Move references for other languages into their own section. * doc/contrib.texi (Contributors): Mention that I contributed the Go frontend. gcc/testsuite/: * lib/go.exp: New file. * lib/go-dg.exp: New file. * lib/go-torture.exp: New file. * lib/target-supports.exp (check_compile): Match // Go. From-SVN: r167407
36 lines
1010 B
Plaintext
36 lines
1010 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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#define nil NULL
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typedef unsigned char byte;
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typedef struct __go_interface Iface;
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typedef struct __go_empty_interface Eface;
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func setiface(typ *byte, x *byte, ret *byte) {
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struct __go_interface_type *t;
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const struct __go_type_descriptor* xt;
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/* FIXME: We should check __type_descriptor to verify that
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this is really a type descriptor. */
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t = (struct __go_interface_type *)typ;
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if(t->__methods.__count == 0) {
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// already an empty interface
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*(Eface*)ret = *(Eface*)x;
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return;
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}
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xt = ((Eface*)x)->__type_descriptor;
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if(xt == nil) {
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// can assign nil to any interface
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((Iface*)ret)->__methods = nil;
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((Iface*)ret)->__object = nil;
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return;
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}
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((Iface*)ret)->__methods = __go_convert_interface(&t->__common, xt);
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((Iface*)ret)->__object = ((Eface*)x)->__object;
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}
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