Uphill

[deadalnix via Digitalmars-d]

On Tuesday, 2 June 2015 at 06:42:13 UTC, Ola Fosheim Grøstad 
wrote:
> On Tuesday, 2 June 2015 at 06:32:43 UTC, Jonathan M Davis wrote:
>> D's semantics for __FILE__ and __LINE__ are so much better 
>> than C++'s. I sorely miss D's semantics for them whenever I'm 
>> in C++. Having them get the values from the call site rather 
>> than the declaration site is so much more useful that it's not 
>> even funny.
>
> But you are referring to evaluation of default parameters. 
> Evaluating default parameters at the call site can be 
> problematic, so I don't think this is obvious at all.
>
> All functions have a conceptual object which is the "activation 
> record", often represented by the stack frame (but in some 
> languages a heap object). It would be reasonable to be able to 
> query this "activation record" object, just like you have 
> "this" that refers to the object of a method you could have a 
> "thisfunction.caller.lineno" etc.

That would be even greater if they would be chained ! What a 
debug tool we could get out of this ! I know ! We should call 
them "stack traces" ! Catchy !