Re: print: unexpected gawk's behaviour in case indirect function call

[Denis Shirokov]

also:

for Gawk 5.1.0


BEGIN{

        f = "match"

        print "INDIRECT: " @f( a, b )

 }


Assertion failed: r->valref > 0, file awk.h, line 1267

do not reproducible with Gawk 5.1.1

best regards
Denis

2022-02-02 15:16 GMT+02:00, Denis Shirokov <cosmogen@gmail.com>:
> Hi Gawk Team!
>
> i found strange gawk's behaviour that is completely makes me crazy
>
> example:
>
>       BEGIN{
>
>             print "DIRECT:   "      match( a, b )
>
>
>             f = "match"
>
>             print "INDIRECT: "      @f( a, b )
>
>
>             print "END" }
>
> output:
>
>       D:\CPU\DEV\PROJECT\XASM>gawk -f ./a.txt
>       DIRECT:   1
>       match1
>      < 'match' ??? wtf?
>       END
>
> it's looks like it's lost leading "INDIRECT: " string and then outputs
> content of the
> globvar `f: "match" and THEN indirectly call built-in match() function
> and output it's
> result.
>
> please note that this behaviour was found while reporting about
> another gawk issue that's will be reported soon. the provided example
> is from there,
>
> Windows 10(x64)
> GNU Awk 5.1.1, API: 3.1 (GNU MPFR 4.0.2, GNU MP 6.1.2)
>
> Kind Regards
> Denis
>