[antlr-interest] Re: How do I specify start-of-line (^ in [F]Lex in ANTLR Lexers?

clinton_olsen clinton_olsen at yahoo.com
Wed May 29 13:26:12 PDT 2002


The advantage of doing an in-process replacement in the lexer is 
that you can still do fairly accurate line/column tracking in the 
lexer w/o using the "hinting" technique using cpp.

-Clint

--- In antlr-interest at y..., "jsrs701" <jsrs701 at y...> wrote:
> It seems that that you're intending for the preprocessor to be 
> running in the same process as the final parser?  Why not just 
build 
> a separate preprocessor application, and shell out to it, the way 
cc 
> calls cpp?
> 
> And really, for a character-stream preprocessor, ANTLR is probably 
> overkill.  Or is your preprocessor significantly more complex than 
> cpp?
> 
> (Please note, C++ afficionados, that I'm referring to the C 
> PreProcessor when I say "cpp".)


 

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