[antlr-interest] Parsing a TokenStream in piecemeal fashion

[mzukowski at yci.com]

I'm sure you've figured it out by now, but for the record....

This one is easy, just create your parser, make a loop and repeatedly call
the rule you want to call.  Make sure the rule you call is a valid start
rule, meaning that no other rules call it.  If it isn't then make a simple
one like

startingAddExpr: addExpr ;

Monty

-----Original Message-----
From: micheal_jor <open.zone at virgin.net> [mailto:open.zone at virgin.net]
Sent: Friday, January 31, 2003 5:46 AM
To: antlr-interest at yahoogroups.com
Subject: [antlr-interest] Parsing a TokenStream in piecemeal fashion


Hi,

Any ideas on how to create a Parser instance and use it to parse a 
few tokens at a time from a TokenStream repeatedly. Obviously there 
wouldn't be an EOF condition/character most of the time.

If it's relevant, each invocation of the Parser builds an AST 
fragment that is fed to TreeParser(s).

Micheal



 

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