[Issue 1903] New: Template declaration (for mixin) can't be parsed

[Robert Fraser]

Russell Lewis wrote:
> downs wrote:
>> d-bugmail at puremagic.com wrote:
>>> http://d.puremagic.com/issues/show_bug.cgi?id=1903
>>>
>>>            Summary: Template declaration (for mixin) can't be parsed
>>>            Product: D
>>>            Version: 2.012
>>>           Platform: PC
>>>         OS/Version: Linux
>>>             Status: NEW
>>>           Severity: normal
>>>           Priority: P2
>>>          Component: DMD
>>>         AssignedTo: bugzilla at digitalmars.com
>>>         ReportedBy: webmaster at villagersonline.com
>>>
>>>
>>> DMD 2.012 Linux
>>>
>>> The following code doesn't work, and if I understand correctly, it 
>>> should:
>>>
>>> BEGIN CODE
>>>
>>>   void Foo(int a,int b) {}
>>>   template Bar(int x)
>>>   {
>>>     Foo(x,x);
>>>   }
>>>   void Baz()
>>>   {
>>>     mixin Bar!(1);
>>>   }
>>>
>>> END CODE
>>>
>>>
>>
>> The problem is that a template basically constitutes a namespace, not 
>> a scope. :)
>>
>> So you can only put stuff in a template that you could also put at the 
>> global module level.
>>
>>  --downs
> 
> I refactored it to use string mixins.  It works now, but it's ugly.

Well, AST macros are a planned feature. In fact, there's already a 
macro.c in DMD2's front-end source code :-).