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66 lines
1.7 KiB
C++
66 lines
1.7 KiB
C++
// Copyright (C) 2023-2024 Free Software Foundation, Inc.
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//
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// This file is part of the GNU Proc Macro Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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#ifndef TOKENTREE_H
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#define TOKENTREE_H
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#include "group.h"
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#include "ident.h"
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#include "punct.h"
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#include "literal.h"
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namespace ProcMacro {
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enum TokenTreeTag
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{
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GROUP,
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IDENT,
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PUNCT,
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LITERAL
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};
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union TokenTreePayload
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{
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Group group;
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Ident ident;
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Punct punct;
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Literal literal;
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};
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struct TokenTree
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{
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TokenTreeTag tag;
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TokenTreePayload payload;
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public:
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static TokenTree make_tokentree (Group group);
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static TokenTree make_tokentree (Ident ident);
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static TokenTree make_tokentree (Punct punct);
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static TokenTree make_tokentree (Literal literal);
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static void drop (TokenTree *tt);
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};
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} // namespace ProcMacro
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#endif /* ! TOKENTREE_H */
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