dud.sdlang.tokenmodule source code

1 module dud.sdlang.tokenmodule;
2 
3 import dud.sdlang.visitor;
4 import dud.sdlang.value;
5 
6 enum TokenType {
7 	undefined,
8 	lcurly,
9 	rcurly,
10 	ident,
11 	colon,
12 	backslash,
13 	semicolon,
14 	assign,
15 	eol,
16 	eof,
17 	value
18 }
19 
20 struct Token {
21 @safe pure:
22 	size_t line;
23 	size_t column;
24 	Value value;
25 	string valueStr;
26 
27 	TokenType type;
28 
29 	this(TokenType type) {
30 		this.type = type;
31 	}
32 
33 	this(TokenType type, size_t line, size_t column) {
34 		this.type = type;
35 		this.line = line;
36 		this.column = column;
37 	}
38 
39 	this(TokenType type, Value value, string valueStr) {
40 		this(type);
41 		this.value = value;
42 		this.valueStr = valueStr;
43 	}
44 
45 	this(TokenType type, Value value, string valueStr, size_t line,
46 			size_t column)
47 	{
48 		this(type, line, column);
49 		this.valueStr = valueStr;
50 		this.value = value;
51 	}
52 
53 	void visit(ConstVisitor vis) {
54 	}
55 
56 	void visit(ConstVisitor vis) const {
57 	}
58 
59 	void visit(Visitor vis) {
60 	}
61 
62 	void visit(Visitor vis) const {
63 	}
64 
65 	string toString() const {
66 		import std.format : format;
67 		return format!"Token(%s,%s,%s,%s)"(this.line, this.column, this.type,
68 				this.valueStr);
69 	}
70 }