[antlr-interest] Re: CLI with ANTLR - best practice

[idontwantanidwith2000init]

Hi,
If I remember correctly you shouldn't use unput.
But I haven't have to face such problem.

I'm developing a small CLI.
Do you know how to replace the parser error messages?

Tal.

--- In antlr-interest at yahoogroups.com, "thierryj8" <thierryj8 at y...> 
wrote:
> Best practice for CLI in Lex&Yacc, O'Reilly:
> 
> ".. In order to scan the command line rather than a file, we must
> rewrite input() and unput()..." (p38), 
> 
> "...The input routine handles calls from the lexer to obtain
> characters" (p41),
> 
> "...The unput() routine handles calls from the lexer to "push back"
> characters into the input stream." (p41)
> 
> Input() treats the CLI end of line as the end of file. Is there an
> equivalent in ANTLR?



 
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