20 lines
664 B
C++
20 lines
664 B
C++
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/*
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Copyright (c) 2014 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#include "frontends/lean/extra_info.h"
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namespace lean {
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name const & get_extra_info() {
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static name g_extra_info("extra_info");
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static register_annotation_fn g_extra_info_annotation(g_extra_info);
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return g_extra_info;
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}
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static name g_extra_info_name = get_extra_info(); // force 'extra_info' annotation to be registered
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expr mk_extra_info(expr const & e) { return mk_annotation(get_extra_info(), e); }
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bool is_extra_info(expr const & e) { return is_annotation(e, get_extra_info()); }
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}
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