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1 "{ Package: 'squeak:petitparser' }" |
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2 |
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3 PPDelegateParser subclass:#PPAndParser |
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4 instanceVariableNames:'' |
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5 classVariableNames:'' |
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6 poolDictionaries:'' |
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7 category:'PetitParser-Parsers' |
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8 ! |
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9 |
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10 PPAndParser comment:'The and-predicate, a parser that succeeds whenever its delegate does, but consumes the input stream [Parr 1994, 1995].' |
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11 ! |
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12 |
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13 |
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14 !PPAndParser methodsFor:'operations'! |
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15 |
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16 and |
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17 ^ self |
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18 ! ! |
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19 |
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20 !PPAndParser methodsFor:'parsing'! |
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21 |
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22 parseOn: aStream |
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23 | element position | |
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24 position := aStream position. |
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25 element := parser parseOn: aStream. |
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26 aStream position: position. |
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27 ^ element |
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28 ! ! |
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29 |
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30 !PPAndParser class methodsFor:'documentation'! |
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31 |
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32 version_SVN |
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33 ^ '$Id: PPAndParser.st,v 1.1 2011-08-18 18:56:17 cg Exp $' |
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34 ! ! |