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
47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
/* go-check-interface.c -- check an interface type for a conversion
|
|
|
|
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. */
|
|
|
|
#include "go-panic.h"
|
|
#include "interface.h"
|
|
|
|
/* Check that an interface type matches for a conversion to a
|
|
non-interface type. This panics if the types are bad. The actual
|
|
extraction of the object is inlined. */
|
|
|
|
void
|
|
__go_check_interface_type (
|
|
const struct __go_type_descriptor *lhs_descriptor,
|
|
const struct __go_type_descriptor *rhs_descriptor,
|
|
const struct __go_type_descriptor *rhs_inter_descriptor)
|
|
{
|
|
if (rhs_descriptor == NULL)
|
|
{
|
|
struct __go_empty_interface panic_arg;
|
|
|
|
newTypeAssertionError(NULL, NULL, lhs_descriptor, NULL, NULL,
|
|
lhs_descriptor->__reflection, NULL, &panic_arg);
|
|
__go_panic(panic_arg);
|
|
}
|
|
|
|
if (lhs_descriptor != rhs_descriptor
|
|
&& !__go_type_descriptors_equal (lhs_descriptor, rhs_descriptor)
|
|
&& (lhs_descriptor->__code != GO_UNSAFE_POINTER
|
|
|| !__go_is_pointer_type (rhs_descriptor))
|
|
&& (rhs_descriptor->__code != GO_UNSAFE_POINTER
|
|
|| !__go_is_pointer_type (lhs_descriptor)))
|
|
{
|
|
struct __go_empty_interface panic_arg;
|
|
|
|
newTypeAssertionError(rhs_inter_descriptor, rhs_descriptor,
|
|
lhs_descriptor,
|
|
rhs_inter_descriptor->__reflection,
|
|
rhs_descriptor->__reflection,
|
|
lhs_descriptor->__reflection,
|
|
NULL, &panic_arg);
|
|
__go_panic(panic_arg);
|
|
}
|
|
}
|