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4
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"{ Package: 'stx:goodies/petitparser' }"
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0
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2 |
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3 |
PPParser subclass:#PPLiteralParser
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4 |
instanceVariableNames:'literal message'
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classVariableNames:''
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poolDictionaries:''
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7 |
category:'PetitParser-Parsers'
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8 |
!
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9 |
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10 |
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11 |
!PPLiteralParser class methodsFor:'instance creation'!
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12 |
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on: anObject
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171
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14 |
|msg|
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15 |
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16 |
"portable - does not depend on character to print with a $"
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msg := anObject isCharacter
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ifTrue:[ '$',anObject asString]
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ifFalse:[ anObject printString ].
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20 |
^ self on: anObject message: msg , ' expected'
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0
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21 |
!
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22 |
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on: anObject message: aString
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^ self new initializeOn: anObject message: aString
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! !
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26 |
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171
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27 |
!PPLiteralParser methodsFor:'*petitanalyzer-matching'!
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28 |
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match: aParser inContext: aDictionary seen: anIdentitySet
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^ (super match: aParser inContext: aDictionary seen: anIdentitySet) and: [ self literal = aParser literal and: [ self message = aParser message ] ]
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! !
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32 |
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0
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33 |
!PPLiteralParser methodsFor:'accessing'!
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34 |
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35 |
literal
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"Answer the parsed literal."
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37 |
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^ literal
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39 |
!
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40 |
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41 |
message
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42 |
"Answer the failure message."
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35
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43 |
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0
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44 |
^ message
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45 |
! !
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46 |
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47 |
!PPLiteralParser methodsFor:'initialization'!
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48 |
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initializeOn: anObject message: aString
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literal := anObject.
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message := aString
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52 |
! !
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53 |
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54 |
!PPLiteralParser methodsFor:'operators'!
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55 |
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56 |
caseInsensitive
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57 |
"Answer a parser that can parse the receiver case-insensitive."
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35
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58 |
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0
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59 |
self subclassResponsibility
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60 |
! !
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61 |
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62 |
!PPLiteralParser methodsFor:'printing'!
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63 |
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64 |
printNameOn: aStream
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171
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65 |
super printNameOn: aStream.
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66 |
literal isCharacter ifTrue:[
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67 |
"/ portable - does not depend on character-print to print with $
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68 |
aStream nextPutAll: ', $'; print: literal asString
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69 |
] ifFalse:[
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70 |
aStream nextPutAll: ', '; print: literal
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71 |
].
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0
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72 |
! !
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73 |
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74 |
!PPLiteralParser class methodsFor:'documentation'!
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75 |
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35
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76 |
version
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171
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^ '$Header: /cvs/stx/stx/goodies/petitparser/PPLiteralParser.st,v 1.4 2014-03-04 14:33:03 cg Exp $'
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35
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78 |
!
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79 |
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80 |
version_CVS
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171
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81 |
^ '$Header: /cvs/stx/stx/goodies/petitparser/PPLiteralParser.st,v 1.4 2014-03-04 14:33:03 cg Exp $'
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35
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82 |
!
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83 |
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0
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84 |
version_SVN
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171
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85 |
^ '$Id: PPLiteralParser.st,v 1.4 2014-03-04 14:33:03 cg Exp $'
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0
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86 |
! !
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171
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87 |
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