[antlr-interest] read from socket

[Johannes Luber]

Kahina BOUARAB schrieb:
> First, excuse me for my bad english.
>  I've a thread which reads commands from a socket. I would like these 
> commands to be parsed by an ANTLR parser.
> e.g: a part of grammar:
>          DR()
>          RQ()
>          TQ()*
>          FR()
> 
> the probleme is: i receive these commands separately from socket.
> So if i parse DR, the parser tell me
> 
> BR.recoverFromMismatchedToken
> line 0:-1 mismatched input '<EOF>' expecting 'RQ('
> 
> because the parser find EOF instead of RQ.
> 
> i can't accumulate these commands to give a complete block to the parser.
> e.g      DR() RQ() TQ() FR()
> 
> How can i do to parse these commands properly?
> 
> thanks
> 
> 
> 
Currently the lexer requires the entire input upfront because all tokens 
are generated before the parser sees them. You have to create a new 
class which only generates tokens on a need-to-have basis. I believe the 
archives and maybe the wiki contain some further hints.

Johannes