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Index > Macroinstructions > Specifying the separators for arguments for macro

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S.T.A.S.



Joined: 09 Jan 2004
Posts: 173
Location: Ru#27
S.T.A.S.
Privalov wrote:
Maybe some other idea I had from the beginning of fasm project (but never implemented it) would be useful for such purpose. This is the idea of specifying the separators for arguments for macro, like in the following example (each example macro finally produce the same code)
Code:
; WARNING: EXAMPLES OF UNIMPLEMENTED FEATURE:

macro mv arg1,arg2
 { mv arg1,arg2 }

mv al,1

macro mv arg1 arg2
 { mv arg1,arg2 }

mv al 1

macro mv arg1->arg2
 { mv arg2,arg1 }

mv 1 -> al

macro mv (arg1=arg2)
 { mv arg1,arg2 }

mv (al=1)    
As I said, this is the idea I had when I was designing the macroinstructions system for fasm, but it has never got implemented, maybe in future... (some version 2.0?)

I've found this on the old forum. Shocked
No, I'm not sure is it useful for something or not. Embarassed
I'm just curious..
Is this idea still alive and reserved for some version 2.0 ? Rolling Eyes
Cool
Post 08 Aug 2004, 11:57
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vid
Verbosity in development


Joined: 05 Sep 2003
Posts: 7108
Location: Slovakia
vid
if it could be inplemented without bigger problems / speed loss, it would be nice.
Post 08 Aug 2004, 12:08
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VitalOne



Joined: 29 Jul 2003
Posts: 54
Location: USA
VitalOne
this macroinstruction feature sounds great
Post 11 Aug 2004, 03:12
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Tommy



Joined: 17 Jun 2003
Posts: 492
Location: Norway
Tommy
I agree! Such a feature would be cool! Cool
Post 11 Aug 2004, 06:33
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Tomasz Grysztar
Assembly Artist


Joined: 16 Jun 2003
Posts: 7572
Location: Kraków, Poland
Tomasz Grysztar
And finally I have made such things possible with the new "match" directive. Just the very simple example:
Code:
macro mv arg
 {
   match arg1->arg2 ,arg
   \{
      mov arg2,arg1
   \}
   match (arg1==arg2) ,arg
   \{
      mov arg1,arg2
   \}
 }

mv 1 -> al

mv (al=1)    
Post 11 Jun 2005, 19:06
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vid
Verbosity in development


Joined: 05 Sep 2003
Posts: 7108
Location: Slovakia
vid
privalov: wouldn't it be possible to choose different char than "=" to mark matching following symbol literaly? It looks really weird. Something less used, like ":" or "!" or something unused "~","@" etc. All these fits me better than "=".
Post 11 Jun 2005, 22:27
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Tomasz Grysztar
Assembly Artist


Joined: 16 Jun 2003
Posts: 7572
Location: Kraków, Poland
Tomasz Grysztar
I've chosen it because it actually suggests what it means. As for the ones you've proposed - the ":" is also very frequently used, so wouldn't be any better choice, "!" and "@" are not special characters (you can use them in names), the "~" is used for negation in conditional expressions and this meaning doesn't coincide well with the operator meaning literality.
Post 11 Jun 2005, 22:36
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S.T.A.S.



Joined: 09 Jan 2004
Posts: 173
Location: Ru#27
S.T.A.S.
This is even greater than was expected from fasm 2.0 Cool
Thanks a lot!
Post 12 Jun 2005, 10:36
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