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is this possible

erik malund

It happened again.

I have many cases of modules with something like
#ifdef TYPEA
... many lines
#endif
#ifdef TYPEB
... many similar lines
#endif
#ifdef TYPEC
... many similar lines
#endif

It happens that I am looking at the type b code trying to figure out something in type a (the codes are VERY similar).

To avoid this, I have tried

blah,blah // comment TYPEA

and that "kind of works"

Now, the ideal would be if for type a I could do the following:
#ifdef TYPEA
#define ATYPE
#define BTYPE //
#define CTYPE //
#endif

and then just make it
ATYPE blah,blah // comment

Of course this does not work.
Does anyone have a trick that makes this possible?

Erik

Parents
  • 0 in reply to erik malund

    That one I do not understand

    Strange, given it does exactly what you tried to achieve, just differently enough to get it to work. You wanted to write

    TYPEA  code for a;
TYPEB  code for variant b;
TYPEC  code vor variant c;

    The macros I've shown allow to do that, but you'll have to spell it a bit differently:

    TYPEA(code for a);
TYPEB(code for variant b);
TYPEC(code vor variant c);

    and this syntax will pose some constraints on what you can write as "code for ...".

Reply
  • 0 in reply to erik malund

    That one I do not understand

    Strange, given it does exactly what you tried to achieve, just differently enough to get it to work. You wanted to write

    TYPEA  code for a;
TYPEB  code for variant b;
TYPEC  code vor variant c;

    The macros I've shown allow to do that, but you'll have to spell it a bit differently:

    TYPEA(code for a);
TYPEB(code for variant b);
TYPEC(code vor variant c);

    and this syntax will pose some constraints on what you can write as "code for ...".

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