On Fri, 31 Aug 2012 00:54:07 -0400, Mehrdad <[email protected]> wrote:

On Thursday, 30 August 2012 at 19:00:58 UTC, Steven Schveighoffer wrote:
And I edit x.h, how does it know the original source file which includes x.h does or doesn't define A before including x.h? That is the issue I was having.

I don't understand why that should be so difficult...

Why can't the IDE just scan all the #include dependencies in an internal database, and update them accordingly?

a.c:

#define A
#include "x.h"

b.c:

#include "x.h"

Now, depending on whether you are editing x.h in terms of a.c or b.c, the #ifdef is active or not. The IDE will be wrong no matter what choice it makes.

This is why I like how external definitions and imports cannot affect D modules.

-Steve

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