" This is a temporary placeholder or forward reference to a parser that has not been defined yet. If everything goes well it will eventually be replaced with the real parser instance. " Class { #name : 'PPUnresolvedParser', #superclass : 'PPParser', #category : 'PetitParser-Tools' } { #category : 'testing' } PPUnresolvedParser >> isUnresolved [ ^ true ] { #category : 'parsing' } PPUnresolvedParser >> parseOn: aStream [ self error: self printString , ' need to be resolved before execution.' ]