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1 "{ Package: 'stx:goodies/petitparser/analyzer' }" |
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2 |
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3 PPParser subclass:#PPPattern |
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4 instanceVariableNames:'verificationBlock' |
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5 classVariableNames:'' |
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6 poolDictionaries:'' |
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7 category:'PetitAnalyzer-Core' |
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8 ! |
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9 |
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10 |
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11 !PPPattern class methodsFor:'instance creation'! |
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12 |
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13 any |
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14 "Matches all parsers." |
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15 |
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16 ^ self on: [ :parser :context | true ] |
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17 ! |
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18 |
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19 class: aBehavior |
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20 "Matches parsers that are of the class aBehavior." |
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21 |
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22 ^ self on: [ :parser :context | parser class = aBehavior ] |
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23 ! |
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24 |
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25 kind: aBehavior |
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26 "Matches parsers that are of the class aBehavior or one of its subclasses." |
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27 |
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28 ^ self on: [ :parser :context | parser isKindOf: aBehavior ] |
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29 ! |
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30 |
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31 name: aString |
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32 "Matches parsers with the name aString." |
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33 |
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34 ^ self on: [ :parser :context | parser name = aString ] |
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35 ! |
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36 |
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37 new |
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38 self error: 'Use an explicit constructur on ' , self name |
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39 ! |
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40 |
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41 on: aBlock |
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42 "Matches parsers that satisfy an arbitrary condition in aBlock." |
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43 |
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44 ^ self basicNew initializeOn: aBlock |
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45 ! ! |
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46 |
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47 !PPPattern methodsFor:'comparing'! |
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48 |
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49 = aParser |
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50 ^ self == aParser or: [ self name notNil and: [ self name = aParser name ] ] |
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51 ! |
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52 |
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53 hash |
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54 ^ self identityHash |
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55 ! ! |
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56 |
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57 !PPPattern methodsFor:'initialization'! |
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58 |
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59 initializeOn: aBlock |
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60 verificationBlock := aBlock |
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61 ! ! |
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62 |
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63 !PPPattern methodsFor:'matching'! |
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64 |
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65 copyInContext: aDictionary seen: aSeenDictionary |
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66 ^ aDictionary at: self |
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67 ! |
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68 |
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69 match: aParser inContext: aDictionary seen: anIdentitySet |
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70 (verificationBlock value: aParser value: aDictionary) |
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71 ifFalse: [ ^ false ]. |
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72 ^ (aDictionary at: self ifAbsentPut: [ aParser ]) |
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73 match: aParser inContext: aDictionary seen: anIdentitySet |
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74 ! ! |
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75 |
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76 !PPPattern methodsFor:'parsing'! |
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77 |
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78 parseOn: aStream |
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79 "This is just a pattern used for matching. It should not be used in actual grammars." |
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80 |
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81 self shouldNotImplement |
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82 ! ! |
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83 |
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84 !PPPattern class methodsFor:'documentation'! |
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85 |
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86 version |
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87 ^ '$Header: /cvs/stx/stx/goodies/petitparser/analyzer/PPPattern.st,v 1.1 2014-03-04 15:41:32 cg Exp $' |
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88 ! |
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89 |
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90 version_CVS |
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91 ^ '$Header: /cvs/stx/stx/goodies/petitparser/analyzer/PPPattern.st,v 1.1 2014-03-04 15:41:32 cg Exp $' |
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92 ! ! |
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93 |