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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
#ifndef TOKEN_HPP
#define TOKEN_HPP
#include <string>
#define TOKENS \
TOK(Halt) \
TOK(Dup) \
TOK(Pop) \
TOK(PopTo) \
TOK(Push) \
TOK(Alloc) \
TOK(Print) \
TOK(Read) \
TOK(Call) \
TOK(Ret) \
TOK(Jump) \
TOK(JumpT) \
TOK(JumpF) \
TOK(Const) \
TOK(Add) \
TOK(Sub) \
TOK(Mul) \
TOK(Div) \
TOK(Mod) \
TOK(Less) \
TOK(LessEq) \
TOK(Label) \
TOK(Ident) \
TOK(Integer) \
TOK(XInteger) \
TOK(EndInput)
namespace SpasmImpl
{
namespace ASM
{
namespace Lexer
{
class Token
{
public:
enum Token_type
{
_NoArgBegin,
Halt = _NoArgBegin,
Dup,
Pop,
_OneArgBegin,
PopTo = _OneArgBegin,
Push,
Alloc,
Print,
Read,
Call,
Ret,
Jump,
_TwoArgBegin,
JumpT = _TwoArgBegin,
JumpF,
Const,
_ThreeArgBegin,
Add = _ThreeArgBegin,
Sub,
Mul,
Div,
Mod,
Less,
LessEq,
_NotOpCodeBegin,
Label = _NotOpCodeBegin,
Ident,
//Register,
Integer,
XInteger,
EndInput,
NotUsed
};
Token(Token_type = NotUsed);
Token(Token_type, size_t, const char* = NULL, const char* = NULL);
Token_type type() const;
size_t lineno() const;
int value_int() const;
const std::string& value_str() const;
private:
Token_type _type;
size_t _lineno;
int _value_int;
std::string _value_str;
};
class TokenStream
{
public:
virtual void push_token(const Token&) = 0;
virtual ~TokenStream(){};
};
} // namespace Lexer
} // namespace ASM
} // namespace SpasmImpl
#undef TOKENS
#endif
|