blob: 86fc5eb2688653be50674bc629c9c52c798ce42b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
// Copyright (C) 2023 Free Software Foundation, Inc.
//
// This file is part of the GNU Proc Macro Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
#ifndef TOKENTREE_H
#define TOKENTREE_H
#include "group.h"
#include "ident.h"
#include "punct.h"
#include "literal.h"
namespace TokenTree {
enum TokenTreeTag
{
GROUP,
IDENT,
PUNCT,
LITERAL
};
union TokenTreePayload
{
Group::Group group;
Ident::Ident ident;
Punct::Punct punct;
Literal::Literal literal;
};
struct TokenTree
{
TokenTreeTag tag;
TokenTreePayload payload;
public:
static TokenTree make_tokentree (Group::Group group);
static TokenTree make_tokentree (Ident::Ident ident);
static TokenTree make_tokentree (Punct::Punct punct);
static TokenTree make_tokentree (Literal::Literal literal);
static void drop (TokenTree *tt);
};
} // namespace TokenTree
#endif /* ! TOKENTREE_H */
|
