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authorLorry Tar Creator <lorry-tar-importer@lorry>2017-05-02 14:43:35 +0000
committerLorry Tar Creator <lorry-tar-importer@lorry>2017-05-02 14:43:35 +0000
commit34efdaf078b01a7387007c4e6bde6db86384c4b7 (patch)
treed503eaf41d085669d1481bb46ec038bc866fece6 /libgo/runtime/go-assert-interface.c
parentf733cf303bcdc952c92b81dd62199a40a1f555ec (diff)
downloadgcc-tarball-master.tar.gz
gcc-7.1.0gcc-7.1.0
Diffstat (limited to 'libgo/runtime/go-assert-interface.c')
-rw-r--r--libgo/runtime/go-assert-interface.c45
1 files changed, 0 insertions, 45 deletions
diff --git a/libgo/runtime/go-assert-interface.c b/libgo/runtime/go-assert-interface.c
deleted file mode 100644
index 427916f8c4..0000000000
--- a/libgo/runtime/go-assert-interface.c
+++ /dev/null
@@ -1,45 +0,0 @@
-/* go-assert-interface.c -- interface type assertion for Go.
-
- 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 "runtime.h"
-#include "go-alloc.h"
-#include "go-assert.h"
-#include "go-panic.h"
-#include "go-type.h"
-#include "interface.h"
-
-/* This is called by the compiler to implement a type assertion from
- one interface type to another. This returns the value that should
- go in the first field of the result tuple. The result may be an
- empty or a non-empty interface. */
-
-const void *
-__go_assert_interface (const struct __go_type_descriptor *lhs_descriptor,
- const struct __go_type_descriptor *rhs_descriptor)
-{
- const struct __go_interface_type *lhs_interface;
-
- if (rhs_descriptor == NULL)
- {
- struct __go_empty_interface panic_arg;
-
- /* A type assertion is not permitted with a nil interface. */
-
- runtime_newTypeAssertionError (NULL, NULL, lhs_descriptor->__reflection,
- NULL, &panic_arg);
- __go_panic (panic_arg);
- }
-
- /* A type assertion to an empty interface just returns the object
- descriptor. */
-
- __go_assert ((lhs_descriptor->__code & GO_CODE_MASK) == GO_INTERFACE);
- lhs_interface = (const struct __go_interface_type *) lhs_descriptor;
- if (lhs_interface->__methods.__count == 0)
- return rhs_descriptor;
-
- return __go_convert_interface_2 (lhs_descriptor, rhs_descriptor, 0);
-}