Re: [jflex-users] ambiguities in JFLex syntax grammar from the manual

[José R. M. <j.r...@gm...>]

On Mon, Apr 19, 2010 at 12:25:08PM -0400, Steve Rowe wrote:
[...]
>  > 2. In macro definitions, how does one know where one regular
>  >    expression finishes?
> 
> Within the macro section of a spec, newlines terminate regular 
> expressions - from the above-linked LexScan.flex:
> 
>    500 {NL} { if (macroDefinition) { yybegin(MACROS); }
>               return symbol(REGEXPEND); }

Then there is an error in examples/java/java.flex in the distribution:

   /* comments */
   Comment = {TraditionalComment} | {EndOfLineComment} | 
             {DocumentationComment}

Here the macro definition is not supposed to be in a unique line.

Romildo