[antlr-interest] Using other lexer generator with ANTLR 3
Terence Parr
parrt at cs.usfca.edu
Wed Mar 7 17:58:32 PST 2007
On Mar 7, 2007, at 2:56 PM, FranklinChen at cmu.edu wrote:
> I have ANTLR 2 projects that use a different lexer generator, e.g.,
> JFlex, for reasons of performance and features (especially lexical
> states). It was trivial to hook up the JFlex-generated lexer with
> ANTLR 2 generated parsers, by means of "implements TokenStream" and
> just having ANTLR's nextToken() call JFlex's yylex().
>
> But I see that in ANTLR 3, TokenStream is much, much more involved. I
> presume that there is therefore no plan to support non-ANTLR lexers to
> use with ANTLR 3 parsers?
Use TokenSource :) It's the new equiv.
Ter
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