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
66
|
// file : build/token -*- C++ -*-
// copyright : Copyright (c) 2014-2015 Code Synthesis Tools CC
// license : MIT; see accompanying LICENSE file
#ifndef BUILD_TOKEN
#define BUILD_TOKEN
#include <string>
#include <cstddef> // size_t
#include <cstdint> // uint64_t
#include <cassert>
#include <utility> // move
namespace build
{
enum class token_type
{
eos,
name,
newline,
pair_separator,
colon,
lcbrace,
rcbrace,
equal,
plus_equal,
dollar,
lparen,
rparen
};
class token
{
public:
token_type
type () const {return t_;}
// Token is whitespace-separated from the previous token.
//
bool
separated () const {return s_;}
std::string const&
name () const {assert (t_ == token_type::name); return n_;}
std::uint64_t line () const {return l_;}
std::uint64_t column () const {return c_;}
public:
token (token_type t, bool s, std::uint64_t l, std::uint64_t c)
: t_ (t), s_ (s), l_ (l), c_ (c) {}
token (std::string n, bool s, std::uint64_t l, std::uint64_t c)
: t_ (token_type::name), s_ (s), n_ (std::move (n)), l_ (l), c_ (c) {}
private:
token_type t_;
bool s_;
std::string n_;
std::uint64_t l_;
std::uint64_t c_;
};
}
#endif // BUILD_TOKEN
|