blob: 9e418c6cae73028f46d55445d770bdf79a4eea8d (
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
66
67
68
69
|
/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/StringView.h>
namespace GUI {
#define FOR_EACH_TOKEN_TYPE \
__TOKEN(Unknown) \
__TOKEN(Comment) \
__TOKEN(ClassMarker) \
__TOKEN(ClassName) \
__TOKEN(LeftCurly) \
__TOKEN(RightCurly) \
__TOKEN(Identifier) \
__TOKEN(Colon) \
__TOKEN(JsonValue)
struct GMLPosition {
size_t line;
size_t column;
};
struct GMLToken {
enum class Type {
#define __TOKEN(x) x,
FOR_EACH_TOKEN_TYPE
#undef __TOKEN
};
char const* to_string() const
{
switch (m_type) {
#define __TOKEN(x) \
case Type::x: \
return #x;
FOR_EACH_TOKEN_TYPE
#undef __TOKEN
}
VERIFY_NOT_REACHED();
}
Type m_type { Type::Unknown };
StringView m_view;
GMLPosition m_start;
GMLPosition m_end;
};
class GMLLexer {
public:
GMLLexer(StringView const&);
Vector<GMLToken> lex();
private:
char peek(size_t offset = 0) const;
char consume();
StringView m_input;
size_t m_index { 0 };
GMLPosition m_position { 0, 0 };
};
}
|
