Re: [Flex-help] How to comment a line or multiple lines in the rule section of a .l file?

[Marcel L. <ma...@la...>]

I believe the section in the manual you are looking for is:
5.4 Comments in the Input

The main gotcha is that comments may not be the first thing on a line, so
just be sure to lead with a space.

On Tue, 29 Dec 2009 21:33:31 -0600, Peng Yu <pen...@gm...> wrote:
> For example, I want to comment out the line '\n		{ chars++; lines++;
> }' in the following flex file.
> 
> I see the following FAQ. But I don't find in the manual what syntax I
> should to use to comment out a line in the rule section. Could
> somebody let me know?
> 
>
http://flex.sourceforge.net/manual/Can-I-include-comments-in-the-_0022rules_0022-section-of-the-file_003f.html#Can-I-include-comments-in-the-_0022rules_0022-section-of-the-file_003f
> 
> -----------------------the following is the flex file.
> %{
> int chars = 0;
> int words = 0;
> int lines = 0;
> %}
> 
> %%
> 
> [a-zA-Z]+	{ words++; chars += strlen(yytext); }
> \n		{ chars++; lines++; }
> .		{ chars++; }
> 
> %%
> 
> main()
> {
>   yylex();
>   printf("%8d%8d%8d\n", lines, words, chars);
> }
> 
>
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