Re: [bug-gawk] posix flag bug?

[Aharon Robbins]

Greetings. Re this:

> To: address@hidden
> From: Ed Morton <address@hidden>
> Date: Sat, 26 Sep 2015 08:45:10 -0500
> Subject: [bug-gawk] posix flag bug?
>
> Since multi-dimensional arrays are gawk extensions I expected this:
>
>     $ echo 'x' | awk --posix '{arr[1][2]=$0; for (i in arr) for (j in arr[i])
>     print arr[i][j]}'
>     x
>
> to fail, but clearly it didn't. It didn't fail with the `--traditional` flag 
> either. Shouldn't it?
>
>      Ed.
>
> P.S. I'm using:
>
>     $ awk --version
>     GNU Awk 4.1.3, API: 1.1 (GNU MPFR 3.1.3, GNU MP 6.0.0)
>
> in bash on cygwin.

Here's the fix. It'll get pushed eventually.

Arnold
-----------------------------------------------
diff --git a/awkgram.y b/awkgram.y
index f311f29..db61aa6 100644
--- a/awkgram.y
+++ b/awkgram.y
@@ -3224,6 +3227,10 @@ retry:
                c = nextc(true);
                pushback();
                if (c == '[') {
+                       if (do_traditional)
+                               fatal(_("multidimensional arrays are a gawk 
extension"));
+                       if (do_lint)
+                               lintwarn(_("multidimensional arrays are a gawk 
extension"));
                        yylval = GET_INSTRUCTION(Op_sub_array);
                        lasttok = ']';
                } else {