Hey, I was wondering how (if it's even possible) to create my own compiler directives. Any help?
goody11 -2 Junior Poster
Ancient Dragon 5,243 Achieved Level 70 Team Colleague Featured Poster
what compiler? what os? what kind of directives ? Do you mean pragmas or preprocessor directives or something else?
goody11 -2 Junior Poster
I use the compiler that comes with Visual C++, the os is vista. and by compiler directives I mean like when you use #define, #if, #endif... and so on. I have used compiler directives many times but really haven't taken a good look or thought much about them until today.
NicAx64 76 Posting Pro
nop visual C++ does provide you some #pragma directives.
But it not let you to extend this.
These are the only pragma that you can use.
http://msdn.microsoft.com/en-us/library/d9x1s805%28VS.71%29.aspx
goody11 -2 Junior Poster
thank you very much. Now is there a compiler that will let me create them?
Would Dev let me?
NicAx64 76 Posting Pro
Would Dev let me?
dev is a IDE not a compiler , the compiler that dev uses is the mingw.
thank you very much. Now is there a compiler that will let me create them?
can I know precisely why you need to implement a new #pragma
directive. for me I rarely use ( less than 10) pargma directives in
my whole life time. and g++ provides those most of the functionality on the link time using linker scripts.
what extractly you need to implement , may be there is a simple
way to do this. however the mingw is open source and you can
change anything. so for mingw the answer is yes. But honestly I don't know is there is a standard way to do this ( like adding a
module or a patch or something like this ).
goody11 -2 Junior Poster
Thank you that actually helped quite a bit and there really is no reason besides just the fact that I want to learn.
Salem 5,199 Posting Sage
What you see today in the C pre-processor is a faint echo of how the pre-processor was originally implemented.
m4 is a macro pre-processor and then plenty.
The original C pre-processor (when C was still on a single machine in the 70's) was just an input to m4.
Oh, but you're on vista - that is unfortunate....
NicAx64 commented: m4 macro preprocessor ! Thanks for the suff , reading the wiki page. +1
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