Let's stop parser Hell

[Tobias Pankrath]

On Tuesday, 31 July 2012 at 21:10:52 UTC, Philippe Sigaud wrote:
>> I've only glimpsed at your code. For most languages lexing is 
>> far more
>> expensive then parsing
>
> Is that so?

I have no numbers. It's a statement that I found in some (1-3) 
sources about parsing. I'll share if I can find them.

>> and thus the lexer has to be very fast and I wouldn't
>> pursue your approach and instead use something like ragel. It 
>> already has D
>> output but needs a separate build step.
>
> Having std.lexer in Phobos would be quite good. With a 
> pre-compiled lexer for D.

Yeah.