1
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"{ Package: 'stx:goodies/smaCC' }"
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2 |
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"{ NameSpace: SmaCC }"
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4 |
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5 |
SmaCCScanner subclass:#JavaScanner
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instanceVariableNames:''
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classVariableNames:''
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poolDictionaries:''
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category:'SmaCC-Example Parsers'
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10 |
!
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11 |
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12 |
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13 |
!JavaScanner class methodsFor:'generated-comments'!
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14 |
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scannerDefinitionComment
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"<DECIMAL_INTEGER>: 0 | [1-9] [0-9]* ;
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<HEX_INTEGER>: 0[xX][0-9a-fA-F]+ ;
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<OCTAL_INTEGER>: 0[0-7]+ ;
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20 |
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<EXPONENT>: [eE] [\-\+]? [0-9]+ ;
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22 |
<FLOAT_TYPE>: [fFdD] ;
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23 |
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<ESCAPE_SEQUENCE>: \\ ([btnfr\""\'\\] | ([0-3] [0-7]{0,2} | [4-7][0-7]?)) ;
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25 |
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26 |
<INTEGER_LITERAL>: (<DECIMAL_INTEGER> | <HEX_INTEGER> | <OCTAL_INTEGER>) [lL]? ;
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27 |
<FLOATING_POINT_LITERAL>: [0-9]+ \. [0-9]* <EXPONENT>? <FLOAT_TYPE>? | \. [0-9]+ <EXPONENT>? <FLOAT_TYPE>? | [0-9]+ <EXPONENT> <FLOAT_TYPE>? | [0-9]+ <FLOAT_TYPE> ;
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<BOOLEAN_LITERAL>: true | false ;
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<CHARACTER_LITERAL>: \' ([^\\\'] | <ESCAPE_SEQUENCE> ) \' ;
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<STRING_LITERAL>: \"" ([^\\\""] | <ESCAPE_SEQUENCE> )* \"" ;
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<NULL_LITERAL>: null ;
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32 |
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<IDENTIFIER>: [a-zA-Z_] \w* ;
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34 |
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<eol>: \r | \n | \r\n ;
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<whitespace>: \s+ ;
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<comment>: \/\/ [^\r\n]* <eol> ;
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<multipleLineComment>: \/ \* ;"
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! !
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40 |
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!JavaScanner class methodsFor:'generated-initialization'!
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42 |
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initializeKeywordMap
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keywordMap := Dictionary new.
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#(#(99 'abstract' 40) #(99 'boolean' 33) #(99 'break' 78) #(99 'byte' 32) #(99 'case' 23) #(99 'catch' 73) #(99 'char' 28) #(99 'class' 9) #(99 'continue' 72) #(99 'default' 41) #(99 'do' 80) #(99 'double' 26) #(99 'else' 14) #(99 'extends' 8) #(99 'false' 95) #(99 'final' 39) #(99 'finally' 81) #(99 'float' 27) #(99 'for' 79) #(99 'if' 46) #(99 'implements' 2) #(99 'import' 42) #(99 'instanceof' 55) #(99 'int' 25) #(99 'interface' 12) #(99 'long' 24) #(99 'native' 38) #(99 'new' 76) #(99 'null' 98) #(99 'package' 29) #(99 'private' 37) #(99 'protected' 43) #(99 'public' 44) #(99 'return' 71) #(99 'short' 31) #(99 'static' 36) #(99 'strictfp' 22) #(99 'super' 13) #(99 'switch' 70) #(99 'synchronized' 18) #(99 'this' 19) #(99 'throw' 75) #(99 'throws' 20) #(99 'transient' 35) #(99 'true' 95) #(99 'try' 74) #(99 'void' 17) #(99 'volatile' 11) #(99 'while' 88))
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do:
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[:each |
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(keywordMap at: each first ifAbsentPut: [Dictionary new]) at: (each at: 2) put: each last].
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49 |
^keywordMap
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! !
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52 |
!JavaScanner methodsFor:'generated-scanner'!
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53 |
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54 |
scan1
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56 |
[self recordMatch: #(94).
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57 |
self step.
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58 |
currentCharacter isDigit] whileTrue.
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59 |
(currentCharacter == $D
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or: [currentCharacter == $F or: [currentCharacter == $d or: [currentCharacter == $f]]])
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ifTrue: [^self recordAndReportMatch: #(94)].
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62 |
(currentCharacter == $E or: [currentCharacter == $e]) ifTrue: [^self scan2].
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^self reportLastMatch
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!
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65 |
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66 |
scan2
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67 |
self step.
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currentCharacter isDigit ifTrue: [^self scan3].
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69 |
(currentCharacter == $+ or: [currentCharacter == $-])
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70 |
ifTrue:
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[self step.
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currentCharacter isDigit ifTrue: [^self scan3].
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73 |
^self reportLastMatch].
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74 |
^self reportLastMatch
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!
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76 |
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77 |
scan3
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[self recordMatch: #(94).
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self step.
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currentCharacter isDigit] whileTrue.
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82 |
(currentCharacter == $D
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83 |
or: [currentCharacter == $F or: [currentCharacter == $d or: [currentCharacter == $f]]])
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84 |
ifTrue: [^self recordAndReportMatch: #(94)].
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^self reportLastMatch
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!
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87 |
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scan4
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89 |
self step.
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currentCharacter == $' ifTrue: [^self recordAndReportMatch: #(96)].
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91 |
^self reportLastMatch
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92 |
!
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93 |
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94 |
scan5
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self step.
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96 |
(currentCharacter between: $0 and: $7) ifTrue: [^self scan4].
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97 |
currentCharacter == $' ifTrue: [^self recordAndReportMatch: #(96)].
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98 |
^self reportLastMatch
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99 |
!
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100 |
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scan6
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102 |
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103 |
[self step.
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currentCharacter <= $!!
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or: [(currentCharacter between: $# and: $[) or: [currentCharacter >= $]]]]
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whileTrue.
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currentCharacter == $" ifTrue: [^self recordAndReportMatch: #(97)].
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currentCharacter == $\
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ifTrue:
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110 |
[self step.
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(currentCharacter == $" or:
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[currentCharacter == $' or:
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[(currentCharacter between: $0 and: $7) or:
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[currentCharacter == $\ or:
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115 |
[currentCharacter == $b or:
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[currentCharacter == $f
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or: [currentCharacter == $n or: [currentCharacter == $r or: [currentCharacter == $t]]]]]]]])
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ifTrue: [^self scan6].
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^self reportLastMatch].
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^self reportLastMatch
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!
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122 |
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scan7
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124 |
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[self step.
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currentCharacter isDigit] whileTrue.
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(currentCharacter == $D
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or: [currentCharacter == $F or: [currentCharacter == $d or: [currentCharacter == $f]]])
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ifTrue: [^self recordAndReportMatch: #(94)].
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(currentCharacter == $E or: [currentCharacter == $e]) ifTrue: [^self scan2].
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currentCharacter == $. ifTrue: [^self scan1].
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^self reportLastMatch
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!
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134 |
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scanForToken
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self step.
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((currentCharacter between: $A and: $Z)
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or: [currentCharacter == $_ or: [currentCharacter between: $a and: $z]])
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139 |
ifTrue:
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140 |
[
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141 |
[self recordMatch: #(99).
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142 |
self step.
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currentCharacter isHexDigit or:
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[(currentCharacter between: $G and: $Z)
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or: [currentCharacter == $_ or: [currentCharacter between: $a and: $z]]]]
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whileTrue.
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^self reportLastMatch].
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(currentCharacter between: $1 and: $9)
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149 |
ifTrue:
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150 |
[
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151 |
[self recordMatch: #(93).
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152 |
self step.
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153 |
currentCharacter isDigit] whileTrue.
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154 |
(currentCharacter == $D
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155 |
or: [currentCharacter == $F or: [currentCharacter == $d or: [currentCharacter == $f]]])
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156 |
ifTrue: [^self recordAndReportMatch: #(94)].
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157 |
(currentCharacter == $E or: [currentCharacter == $e]) ifTrue: [^self scan2].
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(currentCharacter == $L or: [currentCharacter == $l])
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ifTrue: [^self recordAndReportMatch: #(93)].
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currentCharacter == $. ifTrue: [^self scan1].
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^self reportLastMatch].
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((currentCharacter between: $ and: $
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163 |
) or: [currentCharacter == $ ])
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164 |
ifTrue:
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[
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[self recordMatch: #whitespace.
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self step.
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(currentCharacter between: $ and: $
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169 |
) or: [currentCharacter == $ ]]
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170 |
whileTrue.
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171 |
^self reportLastMatch].
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172 |
currentCharacter == $!!
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173 |
ifTrue:
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174 |
[self recordMatch: #(84).
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175 |
self step.
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176 |
currentCharacter == $= ifTrue: [^self recordAndReportMatch: #(53)].
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177 |
^self reportLastMatch].
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178 |
currentCharacter == $" ifTrue: [^self scan6].
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179 |
currentCharacter == $%
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180 |
ifTrue:
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181 |
[self recordMatch: #(87).
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182 |
self step.
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183 |
currentCharacter == $= ifTrue: [^self recordAndReportMatch: #(67)].
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184 |
^self reportLastMatch].
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185 |
currentCharacter == $&
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186 |
ifTrue:
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187 |
[self recordMatch: #(48).
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188 |
self step.
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189 |
currentCharacter == $& ifTrue: [^self recordAndReportMatch: #(57)].
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190 |
currentCharacter == $= ifTrue: [^self recordAndReportMatch: #(61)].
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191 |
^self reportLastMatch].
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currentCharacter == $'
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193 |
ifTrue:
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194 |
[self step.
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195 |
(currentCharacter <= $&
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196 |
or: [(currentCharacter between: $( and: $[) or: [currentCharacter >= $]]])
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197 |
ifTrue: [^self scan4].
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198 |
currentCharacter == $\
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199 |
ifTrue:
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200 |
[self step.
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201 |
(currentCharacter == $" or:
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202 |
[currentCharacter == $' or:
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203 |
[currentCharacter == $\ or:
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204 |
[currentCharacter == $b or:
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205 |
[currentCharacter == $f
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206 |
or: [currentCharacter == $n or: [currentCharacter == $r or: [currentCharacter == $t]]]]]]])
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207 |
ifTrue: [^self scan4].
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208 |
(currentCharacter between: $0 and: $3)
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209 |
ifTrue:
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210 |
[self step.
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211 |
(currentCharacter between: $0 and: $7) ifTrue: [^self scan5].
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212 |
currentCharacter == $' ifTrue: [^self recordAndReportMatch: #(96)].
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213 |
^self reportLastMatch].
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214 |
(currentCharacter between: $4 and: $7) ifTrue: [^self scan5].
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215 |
^self reportLastMatch].
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216 |
^self reportLastMatch].
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217 |
currentCharacter == $( ifTrue: [^self recordAndReportMatch: #(7)].
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218 |
currentCharacter == $) ifTrue: [^self recordAndReportMatch: #(21)].
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219 |
currentCharacter == $*
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220 |
ifTrue:
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221 |
[self recordMatch: #(45).
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222 |
self step.
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223 |
currentCharacter == $= ifTrue: [^self recordAndReportMatch: #(54)].
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224 |
^self reportLastMatch].
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225 |
currentCharacter == $+
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226 |
ifTrue:
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227 |
[self recordMatch: #(92).
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228 |
self step.
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229 |
currentCharacter == $+ ifTrue: [^self recordAndReportMatch: #(77)].
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230 |
currentCharacter == $= ifTrue: [^self recordAndReportMatch: #(66)].
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231 |
^self reportLastMatch].
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232 |
currentCharacter == $, ifTrue: [^self recordAndReportMatch: #(6)].
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233 |
currentCharacter == $-
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234 |
ifTrue:
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235 |
[self recordMatch: #(91).
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236 |
self step.
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237 |
currentCharacter == $- ifTrue: [^self recordAndReportMatch: #(89)].
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238 |
currentCharacter == $= ifTrue: [^self recordAndReportMatch: #(60)].
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239 |
^self reportLastMatch].
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240 |
currentCharacter == $.
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241 |
ifTrue:
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242 |
[self recordMatch: #(34).
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243 |
self step.
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244 |
currentCharacter isDigit ifTrue: [^self scan1].
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245 |
^self reportLastMatch].
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246 |
currentCharacter == $/
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247 |
ifTrue:
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248 |
[self recordMatch: #(83).
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249 |
self step.
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250 |
currentCharacter == $* ifTrue: [^self recordAndReportMatch: #multipleLineComment].
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251 |
currentCharacter == $/
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252 |
ifTrue:
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253 |
[
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254 |
[self step.
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255 |
currentCharacter <= $
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256 |
or: [(currentCharacter between: $ and: $) or: [currentCharacter >= $]]]
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257 |
whileTrue.
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258 |
currentCharacter isLinefeed ifTrue: [^self recordAndReportMatch: #comment].
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259 |
currentCharacter == $
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260 |
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261 |
ifTrue:
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262 |
[self recordMatch: #comment.
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263 |
self step.
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264 |
currentCharacter isLinefeed ifTrue: [^self recordAndReportMatch: #comment].
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265 |
^self reportLastMatch].
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266 |
^self reportLastMatch].
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267 |
currentCharacter == $= ifTrue: [^self recordAndReportMatch: #(68)].
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268 |
^self reportLastMatch].
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269 |
currentCharacter == $0
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270 |
ifTrue:
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271 |
[self recordMatch: #(93).
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272 |
self step.
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273 |
(currentCharacter between: $0 and: $7)
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274 |
ifTrue:
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275 |
[
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276 |
[self recordMatch: #(93).
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277 |
self step.
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278 |
currentCharacter between: $0 and: $7]
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279 |
whileTrue.
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280 |
(currentCharacter == $D
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281 |
or: [currentCharacter == $F or: [currentCharacter == $d or: [currentCharacter == $f]]])
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282 |
ifTrue: [^self recordAndReportMatch: #(94)].
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283 |
(currentCharacter between: $8 and: $9) ifTrue: [^self scan7].
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284 |
(currentCharacter == $E or: [currentCharacter == $e]) ifTrue: [^self scan2].
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285 |
(currentCharacter == $L or: [currentCharacter == $l])
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286 |
ifTrue: [^self recordAndReportMatch: #(93)].
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287 |
currentCharacter == $. ifTrue: [^self scan1].
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288 |
^self reportLastMatch].
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|
289 |
(currentCharacter == $D
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290 |
or: [currentCharacter == $F or: [currentCharacter == $d or: [currentCharacter == $f]]])
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|
291 |
ifTrue: [^self recordAndReportMatch: #(94)].
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292 |
(currentCharacter between: $8 and: $9) ifTrue: [^self scan7].
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293 |
(currentCharacter == $E or: [currentCharacter == $e]) ifTrue: [^self scan2].
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294 |
(currentCharacter == $L or: [currentCharacter == $l])
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|
295 |
ifTrue: [^self recordAndReportMatch: #(93)].
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|
296 |
(currentCharacter == $X or: [currentCharacter == $x])
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|
297 |
ifTrue:
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298 |
[self step.
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|
299 |
(currentCharacter isHexDigit or: [currentCharacter between: $a and: $f])
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|
300 |
ifTrue:
|
|
301 |
[
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|
302 |
[self recordMatch: #(93).
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|
303 |
self step.
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|
304 |
currentCharacter isHexDigit or: [currentCharacter between: $a and: $f]]
|
|
305 |
whileTrue.
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|
306 |
(currentCharacter == $L or: [currentCharacter == $l])
|
|
307 |
ifTrue: [^self recordAndReportMatch: #(93)].
|
|
308 |
^self reportLastMatch].
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|
309 |
^self reportLastMatch].
|
|
310 |
currentCharacter == $. ifTrue: [^self scan1].
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|
311 |
^self reportLastMatch].
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|
312 |
currentCharacter == $: ifTrue: [^self recordAndReportMatch: #(16)].
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|
313 |
currentCharacter == $; ifTrue: [^self recordAndReportMatch: #(30)].
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|
314 |
currentCharacter == $<
|
|
315 |
ifTrue:
|
|
316 |
[self recordMatch: #(82).
|
|
317 |
self step.
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|
318 |
currentCharacter == $<
|
|
319 |
ifTrue:
|
|
320 |
[self recordMatch: #(86).
|
|
321 |
self step.
|
|
322 |
currentCharacter == $= ifTrue: [^self recordAndReportMatch: #(59)].
|
|
323 |
^self reportLastMatch].
|
|
324 |
currentCharacter == $= ifTrue: [^self recordAndReportMatch: #(69)].
|
|
325 |
^self reportLastMatch].
|
|
326 |
currentCharacter == $=
|
|
327 |
ifTrue:
|
|
328 |
[self recordMatch: #(3).
|
|
329 |
self step.
|
|
330 |
currentCharacter == $= ifTrue: [^self recordAndReportMatch: #(49)].
|
|
331 |
^self reportLastMatch].
|
|
332 |
currentCharacter == $>
|
|
333 |
ifTrue:
|
|
334 |
[self recordMatch: #(58).
|
|
335 |
self step.
|
|
336 |
currentCharacter == $= ifTrue: [^self recordAndReportMatch: #(56)].
|
|
337 |
currentCharacter == $>
|
|
338 |
ifTrue:
|
|
339 |
[self recordMatch: #(85).
|
|
340 |
self step.
|
|
341 |
currentCharacter == $= ifTrue: [^self recordAndReportMatch: #(63)].
|
|
342 |
currentCharacter == $>
|
|
343 |
ifTrue:
|
|
344 |
[self recordMatch: #(65).
|
|
345 |
self step.
|
|
346 |
currentCharacter == $= ifTrue: [^self recordAndReportMatch: #(62)].
|
|
347 |
^self reportLastMatch].
|
|
348 |
^self reportLastMatch].
|
|
349 |
^self reportLastMatch].
|
|
350 |
currentCharacter == $? ifTrue: [^self recordAndReportMatch: #(64)].
|
|
351 |
currentCharacter == $[ ifTrue: [^self recordAndReportMatch: #(10)].
|
|
352 |
currentCharacter == $] ifTrue: [^self recordAndReportMatch: #(5)].
|
|
353 |
currentCharacter == $^
|
|
354 |
ifTrue:
|
|
355 |
[self recordMatch: #(51).
|
|
356 |
self step.
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|
357 |
currentCharacter == $= ifTrue: [^self recordAndReportMatch: #(47)].
|
|
358 |
^self reportLastMatch].
|
|
359 |
currentCharacter == ${ ifTrue: [^self recordAndReportMatch: #(1)].
|
|
360 |
currentCharacter == $|
|
|
361 |
ifTrue:
|
|
362 |
[self recordMatch: #(50).
|
|
363 |
self step.
|
|
364 |
currentCharacter == $= ifTrue: [^self recordAndReportMatch: #(15)].
|
|
365 |
currentCharacter == $| ifTrue: [^self recordAndReportMatch: #(52)].
|
|
366 |
^self reportLastMatch].
|
|
367 |
currentCharacter == $} ifTrue: [^self recordAndReportMatch: #(4)].
|
|
368 |
currentCharacter == $~ ifTrue: [^self recordAndReportMatch: #(90)].
|
|
369 |
^self reportLastMatch
|
|
370 |
! !
|
|
371 |
|
|
372 |
!JavaScanner methodsFor:'generated-tokens'!
|
|
373 |
|
|
374 |
emptySymbolTokenId
|
|
375 |
^254
|
|
376 |
!
|
|
377 |
|
|
378 |
errorTokenId
|
|
379 |
^255
|
|
380 |
! !
|
|
381 |
|
|
382 |
!JavaScanner methodsFor:'public'!
|
|
383 |
|
|
384 |
multipleLineComment
|
|
385 |
| char |
|
|
386 |
|
|
387 |
[[(char := stream next) isNil or: [char == $*]] whileFalse.
|
|
388 |
stream atEnd ifTrue: [self scannerError].
|
|
389 |
stream peekFor: $/]
|
|
390 |
whileFalse.
|
|
391 |
^self whitespace
|
|
392 |
! !
|
|
393 |
|
|
394 |
!JavaScanner class methodsFor:'documentation'!
|
|
395 |
|
|
396 |
version
|
|
397 |
^ '$Header: /opt/data/cvs/stx/goodies/smaCC/SmaCC__JavaScanner.st,v 1.1 2006-02-09 21:13:52 vranyj1 Exp $'
|
|
398 |
! !
|