| author | Jan Vrany <jan.vrany@fit.cvut.cz> |
| Sat, 19 Mar 2016 00:12:47 +0100 | |
| changeset 556 | 51c6afba5c91 |
| parent 427 | a7f5e6de19d2 |
| permissions | -rw-r--r-- |
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Merged JK's version from Monticello
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"{ Package: 'stx:goodies/petitparser' }"
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"{ NameSpace: Smalltalk }"
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PPParser subclass:#PPStartOfLogicalLineParser |
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instanceVariableNames:'' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'PetitParser-Parsers' |
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! |
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!PPStartOfLogicalLineParser methodsFor:'as yet unclassified'! |
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isBlank: character |
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^ (character == Character space or: [character == Character tab]) |
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! |
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parseOn: aPPContext |
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aPPContext peek isAlphaNumeric ifFalse: [ |
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^ PPFailure message: 'Start of logical line expected' context: aPPContext |
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]. |
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aPPContext isStartOfLine ifTrue: [ ^ #startOfLogicalLine ]. |
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[ aPPContext position ~= 0 ] whileTrue: [ |
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aPPContext back. |
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(self isBlank: aPPContext peek) ifFalse: [ |
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^ PPFailure message: 'Start of logical line expected' context: aPPContext |
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]. |
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aPPContext isStartOfLine ifTrue: [ ^ #startOfLogicalLine ]. |
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] |
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! ! |
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