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annotate dmd2/lexer.h @ 1578:1dee66f6ec0b

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Removed a chunk of code in favour of a shorter and more portable method
author Robert Clipsham <robert@octarineparrot.com>
date Tue, 08 Sep 2009 11:21:30 +0100
parents e4f7b5d9c68a
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1452
638d16625da2 LDC 2 compiles again.
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1
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2 // Compiler implementation of the D programming language
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3 // Copyright (c) 1999-2008 by Digital Mars
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4 // All Rights Reserved
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5 // written by Walter Bright
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6 // http://www.digitalmars.com
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7 // License for redistribution is by either the Artistic License
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8 // in artistic.txt, or the GNU General Public License in gnu.txt.
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9 // See the included readme.txt for details.
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10
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11 #ifndef DMD_LEXER_H
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12 #define DMD_LEXER_H
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13
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14 #ifdef __DMC__
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15 #pragma once
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16 #endif /* __DMC__ */
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17
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18 #include "root.h"
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19 #include "mars.h"
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20
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21 struct StringTable;
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22 struct Identifier;
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23 struct Module;
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24
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25 /* Tokens:
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26 ( )
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27 [ ]
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28 { }
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29 < > <= >= == != === !==
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30 << >> <<= >>= >>> >>>=
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31 + - += -=
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32 * / % *= /= %=
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33 & | ^ &= |= ^=
1577
e4f7b5d9c68a DMD 2.032 Merge.
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34 = ! ~ @
1452
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35 ++ --
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36 . -> : ,
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37 ? && ||
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38 */
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39
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40 enum TOK
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41 {
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42 TOKreserved,
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43
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44 // Other
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45 TOKlparen, TOKrparen,
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46 TOKlbracket, TOKrbracket,
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47 TOKlcurly, TOKrcurly,
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48 TOKcolon, TOKneg,
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49 TOKsemicolon, TOKdotdotdot,
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50 TOKeof, TOKcast,
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51 TOKnull, TOKassert,
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52 TOKtrue, TOKfalse,
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53 TOKarray, TOKcall,
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54 TOKaddress,
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55 TOKtype, TOKthrow,
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56 TOKnew, TOKdelete,
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57 TOKstar, TOKsymoff,
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58 TOKvar, TOKdotvar,
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59 TOKdotti, TOKdotexp,
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60 TOKdottype, TOKslice,
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61 TOKarraylength, TOKversion,
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62 TOKmodule, TOKdollar,
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63 TOKtemplate, TOKdottd,
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64 TOKdeclaration, TOKtypeof,
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65 TOKpragma, TOKdsymbol,
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66 TOKtypeid, TOKuadd,
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67 TOKremove,
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68 TOKnewanonclass, TOKcomment,
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69 TOKarrayliteral, TOKassocarrayliteral,
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70 TOKstructliteral,
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71
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72 // Operators
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73 TOKlt, TOKgt,
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74 TOKle, TOKge,
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75 TOKequal, TOKnotequal,
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76 TOKidentity, TOKnotidentity,
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77 TOKindex, TOKis,
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78 TOKtobool,
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79
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80 // 60
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81 // NCEG floating point compares
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82 // !<>= <> <>= !> !>= !< !<= !<>
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83 TOKunord,TOKlg,TOKleg,TOKule,TOKul,TOKuge,TOKug,TOKue,
638d16625da2 LDC 2 compiles again.
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84
638d16625da2 LDC 2 compiles again.
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85 TOKshl, TOKshr,
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86 TOKshlass, TOKshrass,
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87 TOKushr, TOKushrass,
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88 TOKcat, TOKcatass, // ~ ~=
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89 TOKadd, TOKmin, TOKaddass, TOKminass,
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90 TOKmul, TOKdiv, TOKmod,
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91 TOKmulass, TOKdivass, TOKmodass,
638d16625da2 LDC 2 compiles again.
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92 TOKand, TOKor, TOKxor,
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93 TOKandass, TOKorass, TOKxorass,
638d16625da2 LDC 2 compiles again.
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94 TOKassign, TOKnot, TOKtilde,
638d16625da2 LDC 2 compiles again.
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95 TOKplusplus, TOKminusminus, TOKconstruct, TOKblit,
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96 TOKdot, TOKarrow, TOKcomma,
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97 TOKquestion, TOKandand, TOKoror,
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98
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99 // 104
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100 // Numeric literals
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101 TOKint32v, TOKuns32v,
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102 TOKint64v, TOKuns64v,
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103 TOKfloat32v, TOKfloat64v, TOKfloat80v,
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104 TOKimaginary32v, TOKimaginary64v, TOKimaginary80v,
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105
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106 // Char constants
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107 TOKcharv, TOKwcharv, TOKdcharv,
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108
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109 // Leaf operators
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110 TOKidentifier, TOKstring,
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111 TOKthis, TOKsuper,
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112 TOKhalt, TOKtuple,
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113
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114 // Basic types
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115 TOKvoid,
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116 TOKint8, TOKuns8,
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117 TOKint16, TOKuns16,
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118 TOKint32, TOKuns32,
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119 TOKint64, TOKuns64,
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120 TOKfloat32, TOKfloat64, TOKfloat80,
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121 TOKimaginary32, TOKimaginary64, TOKimaginary80,
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122 TOKcomplex32, TOKcomplex64, TOKcomplex80,
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123 TOKchar, TOKwchar, TOKdchar, TOKbit, TOKbool,
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124 TOKcent, TOKucent,
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125
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126 // Aggregates
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127 TOKstruct, TOKclass, TOKinterface, TOKunion, TOKenum, TOKimport,
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128 TOKtypedef, TOKalias, TOKoverride, TOKdelegate, TOKfunction,
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129 TOKmixin,
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130
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131 TOKalign, TOKextern, TOKprivate, TOKprotected, TOKpublic, TOKexport,
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132 TOKstatic, /*TOKvirtual,*/ TOKfinal, TOKconst, TOKabstract, TOKvolatile,
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133 TOKdebug, TOKdeprecated, TOKin, TOKout, TOKinout, TOKlazy,
638d16625da2 LDC 2 compiles again.
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134 TOKauto, TOKpackage, TOKmanifest, TOKimmutable,
638d16625da2 LDC 2 compiles again.
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135
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136 // Statements
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137 TOKif, TOKelse, TOKwhile, TOKfor, TOKdo, TOKswitch,
638d16625da2 LDC 2 compiles again.
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diff changeset
138 TOKcase, TOKdefault, TOKbreak, TOKcontinue, TOKwith,
638d16625da2 LDC 2 compiles again.
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139 TOKsynchronized, TOKreturn, TOKgoto, TOKtry, TOKcatch, TOKfinally,
638d16625da2 LDC 2 compiles again.
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diff changeset
140 TOKasm, TOKforeach, TOKforeach_reverse,
638d16625da2 LDC 2 compiles again.
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141 TOKscope,
638d16625da2 LDC 2 compiles again.
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diff changeset
142 TOKon_scope_exit, TOKon_scope_failure, TOKon_scope_success,
638d16625da2 LDC 2 compiles again.
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143
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144 // Contracts
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
145 TOKbody, TOKinvariant,
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
146
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
147 // Testing
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
148 TOKunittest,
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
149
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
150 // Added after 1.0
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
151 TOKref,
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
152 TOKmacro,
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
153 #if DMDV2
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
154 TOKtraits,
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
155 TOKoverloadset,
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
156 TOKpure,
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
157 TOKnothrow,
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
158 TOKtls,
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
159 TOKgshared,
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
160 TOKline,
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
161 TOKfile,
1577
e4f7b5d9c68a DMD 2.032 Merge.
Robert Clipsham <robert@octarineparrot.com>
parents: 1452
diff changeset
162 TOKshared,
e4f7b5d9c68a DMD 2.032 Merge.
Robert Clipsham <robert@octarineparrot.com>
parents: 1452
diff changeset
163 TOKat,
1452
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
164 #endif
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
165
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
166 // LDC specific
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
167 #if IN_LLVM
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
168 TOKgep,
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
169 #endif
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
170
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
171 TOKMAX
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
172 };
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
173
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
174 #define CASE_BASIC_TYPES \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
175 case TOKwchar: case TOKdchar: \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
176 case TOKbit: case TOKbool: case TOKchar: \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
177 case TOKint8: case TOKuns8: \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
178 case TOKint16: case TOKuns16: \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
179 case TOKint32: case TOKuns32: \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
180 case TOKint64: case TOKuns64: \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
181 case TOKfloat32: case TOKfloat64: case TOKfloat80: \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
182 case TOKimaginary32: case TOKimaginary64: case TOKimaginary80: \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
183 case TOKcomplex32: case TOKcomplex64: case TOKcomplex80: \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
184 case TOKvoid
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
185
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
186 #define CASE_BASIC_TYPES_X(t) \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
187 case TOKvoid: t = Type::tvoid; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
188 case TOKint8: t = Type::tint8; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
189 case TOKuns8: t = Type::tuns8; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
190 case TOKint16: t = Type::tint16; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
191 case TOKuns16: t = Type::tuns16; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
192 case TOKint32: t = Type::tint32; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
193 case TOKuns32: t = Type::tuns32; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
194 case TOKint64: t = Type::tint64; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
195 case TOKuns64: t = Type::tuns64; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
196 case TOKfloat32: t = Type::tfloat32; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
197 case TOKfloat64: t = Type::tfloat64; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
198 case TOKfloat80: t = Type::tfloat80; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
199 case TOKimaginary32: t = Type::timaginary32; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
200 case TOKimaginary64: t = Type::timaginary64; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
201 case TOKimaginary80: t = Type::timaginary80; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
202 case TOKcomplex32: t = Type::tcomplex32; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
203 case TOKcomplex64: t = Type::tcomplex64; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
204 case TOKcomplex80: t = Type::tcomplex80; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
205 case TOKbit: t = Type::tbit; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
206 case TOKbool: t = Type::tbool; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
207 case TOKchar: t = Type::tchar; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
208 case TOKwchar: t = Type::twchar; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
209 case TOKdchar: t = Type::tdchar; goto LabelX; \
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
210 LabelX
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
211
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
212 struct Token
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
213 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
214 Token *next;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
215 unsigned char *ptr; // pointer to first character of this token within buffer
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
216 enum TOK value;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
217 unsigned char *blockComment; // doc comment string prior to this token
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
218 unsigned char *lineComment; // doc comment for previous token
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
219 union
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
220 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
221 // Integers
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
222 d_int32 int32value;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
223 d_uns32 uns32value;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
224 d_int64 int64value;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
225 d_uns64 uns64value;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
226
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
227 // Floats
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
228 #ifdef IN_GCC
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
229 // real_t float80value; // can't use this in a union!
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
230 #else
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
231 d_float80 float80value;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
232 #endif
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
233
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
234 struct
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
235 { unsigned char *ustring; // UTF8 string
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
236 unsigned len;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
237 unsigned char postfix; // 'c', 'w', 'd'
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
238 };
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
239
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
240 Identifier *ident;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
241 };
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
242 #ifdef IN_GCC
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
243 real_t float80value; // can't use this in a union!
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
244 #endif
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
245
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
246 static const char *tochars[TOKMAX];
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
247 static void *operator new(size_t sz);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
248
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
249 int isKeyword();
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
250 void print();
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
251 const char *toChars();
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
252 static const char *toChars(enum TOK);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
253 };
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
254
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
255 struct Lexer
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
256 {
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
257 static StringTable stringtable;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
258 static OutBuffer stringbuffer;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
259 static Token *freelist;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
260
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
261 Loc loc; // for error messages
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
262
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
263 unsigned char *base; // pointer to start of buffer
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
264 unsigned char *end; // past end of buffer
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
265 unsigned char *p; // current character
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
266 Token token;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
267 Module *mod;
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
268 int doDocComment; // collect doc comment information
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
269 int anyToken; // !=0 means seen at least one token
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
270 int commentToken; // !=0 means comments are TOKcomment's
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
271
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
272 Lexer(Module *mod,
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
273 unsigned char *base, unsigned begoffset, unsigned endoffset,
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
274 int doDocComment, int commentToken);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
275
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
276 static void initKeywords();
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
277 static Identifier *idPool(const char *s);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
278 static Identifier *uniqueId(const char *s);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
279 static Identifier *uniqueId(const char *s, int num);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
280
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
281 TOK nextToken();
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
282 TOK peekNext();
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
283 TOK peekNext2();
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
284 void scan(Token *t);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
285 Token *peek(Token *t);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
286 Token *peekPastParen(Token *t);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
287 unsigned escapeSequence();
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
288 TOK wysiwygStringConstant(Token *t, int tc);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
289 TOK hexStringConstant(Token *t);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
290 #if DMDV2
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
diff changeset
291 TOK delimitedStringConstant(Token *t);
638d16625da2 LDC 2 compiles again.
Robert Clipsham <robert@octarineparrot.com>
parents: 758
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292 TOK tokenStringConstant(Token *t);
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293 #endif
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294 TOK escapeStringConstant(Token *t, int wide);
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295 TOK charConstant(Token *t, int wide);
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296 void stringPostfix(Token *t);
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297 unsigned wchar(unsigned u);
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298 TOK number(Token *t);
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299 TOK inreal(Token *t);
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300 void error(const char *format, ...) IS_PRINTF(2);
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301 void error(Loc loc, const char *format, ...) IS_PRINTF(3);
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302 void pragma();
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303 unsigned decodeUTF();
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304 void getDocComment(Token *t, unsigned lineComment);
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305
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306 static int isValidIdentifier(char *p);
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307 static unsigned char *combineComments(unsigned char *c1, unsigned char *c2);
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308 };
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309
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310 #endif /* DMD_LEXER_H */