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annotate trunk/src/Token.d @ 107:722c05bbd5eb

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- Implemented parseEnumDeclaration() and added class EnumDeclaration. - Added 'alias srcText identifier' to Token for Identifiers. - Replaced all instances of token.srcText with token.identifier where applicable.
author aziz
date Sun, 08 Jul 2007 15:22:03 +0000
parents 1a83e5070a84
children ce636f3981cc
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1 /++
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2 Author: Aziz Köksal
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3 License: GPL2
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4 +/
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5 module Token;
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6
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7 struct Position
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8 {
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9 size_t loc;
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10 size_t col;
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11 }
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12
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13 enum TOK
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14 {
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15 Invalid,
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16
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17 Identifier,
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18 Comment,
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19 String,
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20 CharLiteral, WCharLiteral, DCharLiteral,
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21
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22 // Numbers
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23 Number,
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24 Int32, Int64, Uint32, Uint64,
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25 // Floating point number scanner relies on this order. (FloatXY + 3 == ImaginaryXY)
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26 Float32, Float64, Float80,
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27 Imaginary32, Imaginary64, Imaginary80,
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28
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29
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
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30 // Brackets
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31 LParen,
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32 RParen,
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33 LBracket,
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34 RBracket,
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35 LBrace,
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36 RBrace,
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37
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38 Dot, Slice, Ellipses,
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39
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40 // Floating point operators
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41 Unordered,
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42 UorE,
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43 UorG,
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44 UorGorE,
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45 UorL,
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46 UorLorE,
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47 LorEorG,
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48 LorG,
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49
36
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50 // Normal operators
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51 Assign, Equal, NotEqual, Not,
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52 LessEqual, Less,
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53 GreaterEqual, Greater,
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54 LShiftAssign, LShift,
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55 RShiftAssign,RShift,
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56 URShiftAssign, URShift,
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1a7903701a3d - Added code for parsing OrAssign, OrLogical and OrBinary tokens.
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57 OrAssign, OrLogical, OrBinary,
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58 AndAssign, AndLogical, AndBinary,
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9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens.
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59 PlusAssign, PlusPlus, Plus,
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60 MinusAssign, MinusMinus, Minus,
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61 DivAssign, Div,
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62 MulAssign, Mul,
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63 ModAssign, Mod,
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64 XorAssign, Xor,
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65 CatAssign, Catenate,
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66 Tilde,
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67 Identity, NotIdentity,
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68
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69 Colon,
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70 Semicolon,
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71 Question,
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72 Comma,
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73 Dollar,
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74
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75 /* Keywords:
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76 NB.: Token.isKeyword() depends on this list being contiguous.
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77 */
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78 Abstract,Alias,Align,Asm,Assert,Auto,Body,
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79 Bool,Break,Byte,Case,Cast,Catch,Cdouble,
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80 Cent,Cfloat,Char,Class,Const,Continue,Creal,
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81 Dchar,Debug,Default,Delegate,Delete,Deprecated,Do,
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82 Double,Else,Enum,Export,Extern,False,Final,
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83 Finally,Float,For,Foreach,Foreach_reverse,Function,Goto,
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84 Idouble,If,Ifloat,Import,In,Inout,Int,
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85 Interface,Invariant,Ireal,Is,Lazy,Long,Macro,
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86 Mixin,Module,New,Null,Out,Override,Package,
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87 Pragma,Private,Protected,Public,Real,Ref,Return,
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88 Scope,Short,Static,Struct,Super,Switch,Synchronized,
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89 Template,This,Throw,True,Try,Typedef,Typeid,
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90 Typeof,Ubyte,Ucent,Uint,Ulong,Union,Unittest,
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91 Ushort,Version,Void,Volatile,Wchar,While,With,
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92
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93 EOF
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94 }
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95
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96 alias TOK.Abstract KeywordsBegin;
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97 alias TOK.With KeywordsEnd;
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98
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99 struct Token
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100 {
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101 TOK type;
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102 // Position pos;
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103
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104 char* start;
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105 char* end;
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106
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107 union
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108 {
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109 struct
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110 {
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111 string str;
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112 char pf;
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113 }
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114 dchar dchar_;
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115 long long_;
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116 ulong ulong_;
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117 int int_;
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118 uint uint_;
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119 float float_;
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120 double double_;
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121 real real_;
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122 }
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123
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124 alias srcText identifier;
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125
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126 string srcText()
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127 {
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128 assert(start && end);
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129 return start[0 .. end - start];
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130 }
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131
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132 bool isKeyword()
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133 {
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134 if (KeywordsBegin <= type && type <= KeywordsEnd)
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135 return true;
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136 return false;
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137 }
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138 }