Codegen: added support for smart action node compiling.
Avoid creation of intermediate result collection for action nodes if all references
to action block's argument (i.e., the nodes collection) is in form of:
* <nodes> at: <numeric constant>
* <nodes> first (second, third...
"{ Package: 'stx:goodies/petitparser' }"
PPParser subclass:#PPStartOfLine
instanceVariableNames:''
classVariableNames:''
poolDictionaries:''
category:'PetitParser-Parsers'
!
!PPStartOfLine methodsFor:'parsing'!
parseOn: aPPContext
(aPPContext isStartOfLine) ifTrue: [
^ #startOfLine
].
^ PPFailure message: 'Start of line expected' context: aPPContext at: aPPContext position
! !