Concatenating symbols

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JohnFound

Joined: 16 Jun 2003
Posts: 3499
Location: Bulgaria

JohnFound 22 Feb 2012, 00:23

IMHO it is impossible, but maybe I am dumb:

Code:

koko equ
macro catsym sym {
  match any, koko \{ koko equ koko\\#sym \}
  match ,koko \{ koko equ sym \}
}

catsym lolo
catsym .momo
catsym .dodo

koko:

The above code is expected to define label with name: lolo.momo.dodo:
But it fails with "lolo#.momo#.dodo:"
Removing the backslashes before "#" defines wrong label: "koko.dodo:"

Any ideas?

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22 Feb 2012, 00:23

l_inc

Joined: 23 Oct 2009
Posts: 881

l_inc 22 Feb 2012, 00:40

The symbol "koko" is not going to be expanded just because you concatenate it. You should use it's expanded value "any".

22 Feb 2012, 00:40

JohnFound

Joined: 16 Jun 2003
Posts: 3499
Location: Bulgaria

JohnFound 22 Feb 2012, 00:52

Yes! And one backslash less:

Code:

match any, koko \{ koko equ any\#sym \}

Thanks!

22 Feb 2012, 00:52

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