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
58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
/* interface.h -- the interface type 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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#ifndef LIBGO_INTERFACE_H
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#define LIBGO_INTERFACE_H
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#include "go-type.h"
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/* A variable of interface type is an instance of this struct, if the
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interface has any methods. */
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struct __go_interface
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{
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/* A pointer to the interface method table. The first pointer is
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the type descriptor of the object. Subsequent pointers are
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pointers to functions. This is effectively the vtable for this
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interface. The function pointers are in the same order as the
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list in the internal representation of the interface, which sorts
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them by name. */
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const void **__methods;
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/* The object. If the object is a pointer--if the type descriptor
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code is GO_PTR or GO_UNSAFE_POINTER--then this field is the value
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of the object itself. Otherwise this is a pointer to memory
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which holds the value. */
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void *__object;
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};
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/* A variable of an empty interface type is an instance of this
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struct. */
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struct __go_empty_interface
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{
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/* The type descriptor of the object. */
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const struct __go_type_descriptor *__type_descriptor;
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/* The object. This is the same as __go_interface above. */
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void *__object;
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};
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extern void *
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__go_convert_interface (const struct __go_type_descriptor *,
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const struct __go_type_descriptor *);
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extern void *
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__go_convert_interface_2 (const struct __go_type_descriptor *,
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const struct __go_type_descriptor *,
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_Bool may_fail);
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extern _Bool
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__go_can_convert_to_interface(const struct __go_type_descriptor *,
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const struct __go_type_descriptor *);
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#endif /* !defined(LIBGO_INTERFACE_H) */
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