Mercurial > projects > dang
annotate lexer/Token.d @ 22:e331e4e816e4
now handling structs to some extend
author | johnsen@johnsen-laptop |
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date | Fri, 18 Apr 2008 23:45:45 +0200 |
parents | 0fb2d13dce37 |
children | 69464d465284 |
rev | line source |
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1 | 1 module lexer.Token; |
2 | |
3 public | |
4 import misc.Location; | |
5 | |
6 import Integer = tango.text.convert.Integer; | |
7 | |
8 struct Token | |
9 { | |
10 Tok type; | |
11 Location location; | |
12 uint length; | |
13 | |
14 static Token opCall (Tok type, Location location, uint length) | |
15 { | |
16 Token t; | |
17 t.type = type; | |
18 t.location = location; | |
19 t.length = length; | |
20 return t; | |
21 } | |
22 | |
23 char[] getType () | |
24 { | |
25 return typeToString[this.type]; | |
26 } | |
27 | |
28 char[] toString () | |
29 { | |
30 return this.getType()~": Len: "~Integer.toString(this.length) | |
31 ~", Loc: "~location.toString; | |
32 } | |
33 | |
34 char[] get () | |
35 { | |
36 return location.get(length); | |
37 } | |
38 } | |
39 | |
40 enum Tok : ushort | |
41 { | |
42 /* Non-code related tokens */ | |
43 EOF, | |
44 | |
45 /* Basic types */ | |
46 Identifier, | |
47 Integer, | |
48 | |
49 /* Basic operators */ | |
50 Assign, | |
51 Add, Sub, | |
52 Mul, Div, | |
53 Comma, | |
54 | |
55 /* Symbols */ | |
56 OpenParentheses, | |
57 CloseParentheses, | |
58 OpenBrace, | |
59 CloseBrace, | |
60 Seperator, | |
61 | |
8
2e1069ee21af
Added Ne, Lt, Le, Gt, Ge and Not in lexer
johnsen@johnsen-desktop
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62 /* Comparator operators */ |
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63 Eq, Ne, |
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64 Lt, Gt, |
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65 Le, Ge, |
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66 |
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67 Not, |
6 | 68 |
1 | 69 /* Keywords */ |
70 Byte, Ubyte, | |
71 Short, Ushort, | |
72 Int, Uint, | |
73 Long, Ulong, | |
74 | |
75 Float, Double, | |
76 | |
5
2c5a8f4c254a
Added very simple if support.
Anders Halager <halager@gmail.com>
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77 Bool, |
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78 |
22 | 79 Struct, |
80 | |
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642c6a998fd9
Support for while statements and fixed scope for if
Anders Halager <halager@gmail.com>
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81 If, Else, |
642c6a998fd9
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82 While, |
1 | 83 Return, |
84 | |
85 } | |
86 | |
87 public char[][Tok] typeToString; | |
88 | |
89 static this() | |
90 { | |
91 typeToString = | |
92 [ | |
93 Tok.EOF:"EOF"[], | |
94 Tok.Identifier:"Identifier", | |
95 Tok.Byte:"Byte", | |
96 Tok.Short:"Short", | |
97 Tok.Int:"Int", | |
98 Tok.Long:"Long", | |
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99 Tok.Bool:"Bool", |
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100 Tok.Eq:"Eq", |
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101 Tok.Ne:"Ne", |
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102 Tok.Lt:"Lt", |
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103 Tok.Le:"Le", |
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104 Tok.Gt:"Gt", |
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105 Tok.Ge:"Ge", |
1 | 106 Tok.OpenParentheses:"OpenParentheses", |
107 Tok.CloseParentheses:"CloseParentheses", | |
108 Tok.OpenBrace:"OpenBrace", | |
109 Tok.CloseBrace:"CloseBrace", | |
110 Tok.Assign:"Assign", | |
111 Tok.Add:"Add", | |
112 Tok.Sub:"Sub", | |
113 Tok.Mul:"Mul", | |
114 Tok.Div:"Div", | |
5
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Anders Halager <halager@gmail.com>
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115 Tok.Integer:"Integer", |
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Anders Halager <halager@gmail.com>
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116 Tok.If:"If", |
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117 Tok.While:"While", |
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0fb2d13dce37
Now working with gdc also (gdc use reverse paremeter validating on function calls)
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118 Tok.Comma:"Comma", |
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119 Tok.Return:"Return", |
22 | 120 Tok.Struct:"Struct", |
1 | 121 Tok.Seperator:"Seperator" |
122 ]; | |
123 } |