Looking for champion - std.lang.d.lex

[Don]

Jonathan M Davis wrote:
> On Thursday 21 October 2010 15:12:41 Ellery Newcomer wrote:
>> and how about
>>
>> 6. ctfe compatible
>>
>> ?
> 
> That would seem like a good idea (though part of me cringes at the idea of a 
> program specifically running the lexer (and possibly the parser) as part of its 
> own compilation process), but for the main purpose of being used for tools for 
> D, that would seem completely unnecessary. So, I'd say that it would be a good 
> idea to make it CTFE-able if it is at all reasonable to do so but that if making 
> it CTFE-able would harm the design for more typical use, then it shouldn't be 
> made CTFE-able. Personally, I don't have a good feel for exactly what is CTFE-
> able though, so I have no idea how easy it would be to make it CTFE-able. 
> However, it does seem like a good idea if it's reasonable to do so. And if it's 
> not, hopefully as dmd's CTFE capabilities become more advanced, it will become 
> possible to do so.
> 
> - Jonathan M Davis

In the long term, the requirements for CTFE will be pretty much:
1. the function must be @safe (eg, no asm).
2. the function must be pure
3. the compiler must have access to the source code

You'll probably satisfy all those requirements anyway.