PPEndOfLineParser.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Tue, 16 Jun 2015 06:45:26 +0100
changeset 489 0ca7a70db0f5
parent 421 7e08b31e0dae
permissions -rw-r--r--
Fix in codegen for inlined sequence nodes. For inlined sequence nodes, generate nested ifs rather than sequential code which does not work when inlined. The reason is that #codeReturn: in inline generates instvar assignment, not method return, so in sequential code the next child of a sequence will be probed even if previous failed. If that happends, the whole sequence fail and therefore we must generate nested ifs to correctly handle this w.r.t. inlining.

"{ Package: 'stx:goodies/petitparser' }"

PPParser subclass:#PPEndOfLineParser
	instanceVariableNames:''
	classVariableNames:''
	poolDictionaries:''
	category:'PetitParser-Parsers'
!

!PPEndOfLineParser methodsFor:'parsing'!

parseOn: aPPContext
	(aPPContext isEndOfLine) ifTrue: [ 
		^ #endOfLine
	].
	^ PPFailure message: 'End of line expected' context: aPPContext at: aPPContext position
! !