[DTrace-devel] [PATCH] lexer: support // comments

[Eugene Loh]

On 7/22/25 23:14, Kris Van Hees wrote:

> On Tue, Jul 22, 2025 at 09:18:16PM -0400, Eugene Loh wrote:
>> 3)  Where do all the rules in this patch (tested by err.*) come from?  E.g.,
>> C seems more lenient:
>>
>> $ cat x.c
>> // /* hello */
>> // comment /*
>> // comment //
>> int main(int c, char **v) {
>>    /*
>>     * //
>>     */
>>    return 0;
>> }
>> $ gcc x.c
>> $ echo $?
>> 0
> Yes, C is more lenient.  I based the implementation on the behaviour of other
> DTrace implementations that added //-comments.  I'd be open to making it more
> lenient as well - I hoestly didn't check out C's behaviour because the rules
> I observed for other DTrace implementations seemed to be quite consistent with
> what DTrace is doing with block comments (/* ... */).
Worth mentioning in the commit message?