25 lines
748 B
C++
25 lines
748 B
C++
/*
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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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static name * g_extra_info = nullptr;
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name const & get_extra_info() { return *g_extra_info; }
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expr mk_extra_info(expr const & e, tag g) { return mk_annotation(get_extra_info(), e, g); }
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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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void initialize_extra_info() {
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g_extra_info = new name("extra_info");
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register_annotation(*g_extra_info);
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}
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void finalize_extra_info() {
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delete g_extra_info;
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}
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}
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