From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <zsh-workers-return-9558-mason-zsh=primenet.com.au@sunsite.auc.dk>
Received: (qmail 29353 invoked from network); 4 Feb 2000 09:35:02 -0000
Received: from sunsite.auc.dk (130.225.51.30)
  by ns1.primenet.com.au with SMTP; 4 Feb 2000 09:35:02 -0000
Received: (qmail 27697 invoked by alias); 4 Feb 2000 09:34:50 -0000
Mailing-List: contact zsh-workers-help@sunsite.auc.dk; run by ezmlm
Precedence: bulk
X-No-Archive: yes
X-Seq: 9558
Received: (qmail 27574 invoked from network); 4 Feb 2000 09:34:36 -0000
Date: Fri, 4 Feb 2000 10:34:26 +0100 (MET)
Message-Id: <200002040934.KAA22630@beta.informatik.hu-berlin.de>
From: Sven Wischnowsky <wischnow@informatik.hu-berlin.de>
To: zsh-workers@sunsite.auc.dk
In-reply-to: Peter Stephenson's message of Thu, 03 Feb 2000 18:30:20 +0000
Subject: Re: Funny bug when autoloading with syntax error


Peter Stephenson wrote:

> Autoload the following function:
> 
> if (( 1 )): then   # note colon instead of semicolon
>   true
> fi
> 
> This loads silently, unlike trying it at the command line which gives a
> parse error near `fi', which is not unexpected.  `which fn' gives
> 
> fn () {
>         if (( 1 ))
>         then
>                 : then
>         fi
>         true
> }
> 
> This is, not to put too fine a point on it, wrong.

But of course the bug is that it doesn't complain about a parse error, 
right?

I hope that all syntactically correct strings end with a token of
ENDINPUT in parse_list().

The hunk in exec.c makes loadautofn() treat empty functions in the
same way as execautofn().

Bye
 Sven

diff -ru ../z.old/Src/exec.c Src/exec.c
--- ../z.old/Src/exec.c	Fri Feb  4 09:53:28 2000
+++ Src/exec.c	Fri Feb  4 10:29:34 2000
@@ -3097,6 +3097,8 @@
 	zerr("%s: function definition file not found", shf->nam, 0);
 	return 1;
     }
+    if (!prog)
+	prog = &dummy_eprog;
     PERMALLOC {
 	shf->funcdef = dupeprog(stripkshdef(prog, shf->nam));
     } LASTALLOC;
diff -ru ../z.old/Src/parse.c Src/parse.c
--- ../z.old/Src/parse.c	Fri Feb  4 09:53:32 2000
+++ Src/parse.c	Fri Feb  4 10:25:35 2000
@@ -357,7 +357,11 @@
     incmdpos = 1;
     yylex();
     ret = par_list();
-    if (tok == LEXERR) {
+#if 0
+    if (tok == LEXERR)
+#endif
+    if (tok != ENDINPUT)
+    {
 	yyerror(0);
 	return NULL;
     }

--
Sven Wischnowsky                         wischnow@informatik.hu-berlin.de