From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org
X-Spam-Level: 
X-Spam-Status: No, score=-1.0 required=5.0 tests=DKIM_ADSP_CUSTOM_MED,
	FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham
	autolearn_force=no version=3.4.4
Received: (qmail 3992 invoked from network); 8 Jul 2020 17:00:30 -0000
Received: from ns1.primenet.com.au (HELO primenet.com.au) (203.24.36.2)
  by inbox.vuxu.org with ESMTPUTF8; 8 Jul 2020 17:00:30 -0000
Received: (qmail 26070 invoked by alias); 8 Jul 2020 17:00:18 -0000
Mailing-List: contact zsh-workers-help@zsh.org; run by ezmlm
Precedence: bulk
X-No-Archive: yes
List-Id: Zsh Workers List <zsh-workers.zsh.org>
List-Post: <mailto:zsh-workers@zsh.org>
List-Help: <mailto:zsh-workers-help@zsh.org>
List-Unsubscribe: <mailto:zsh-workers-unsubscribe@zsh.org>
Sender: zsh-workers@zsh.org
X-Seq: 46218
Received: (qmail 2733 invoked by uid 1010); 8 Jul 2020 17:00:18 -0000
X-Qmail-Scanner-Diagnostics: from mail-io1-f43.google.com by f.primenet.com.au (envelope-from <mikachu@gmail.com>, uid 7791) with qmail-scanner-2.11 
 (clamdscan: 0.102.3/25863. spamassassin: 3.4.4.  
 Clear:RC:0(209.85.166.43):SA:0(-2.0/5.0):. 
 Processed in 5.034972 secs); 08 Jul 2020 17:00:18 -0000
X-Envelope-From: mikachu@gmail.com
X-Qmail-Scanner-Mime-Attachments: |
X-Qmail-Scanner-Zip-Files: |
Received-SPF: pass (ns1.primenet.com.au: SPF record at _netblocks.google.com designates 209.85.166.43 as permitted sender)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=1e100.net; s=20161025;
        h=x-gm-message-state:mime-version:in-reply-to:references:from:date
         :message-id:subject:to:cc;
        bh=q0ksEUUop8rbkNrtMnwe2HR+X9moRKqWcpNZVqRhkuc=;
        b=bkhuCOdVlNGRiR1nl5QOi8uRdpMUubh4T6A54AAYsEwBdqKUni8zrptYbaJPDEqXSd
         Bd6kIx9rgzLdOUqnAtS+Rc+sF0/wj8sf8s4lSdPF50FrvOAi1G/USYy4jTeOofNlH5PE
         Xgwipvkg/c0jW3B0SbyU0cJ92RyqtlCmCDtmX7JVncEuLa1SY3HtwbDp5eCDtDKryTIn
         vBQTsHh3Oc1eXAPS34fTMXfCE7pdrvsm9Fr9Wn97wqx3CQ2tpT9TE6RBmxjCW76ZUabi
         KaEURUkGHt/GPVakqHpxYgDap3kbRBnzC2E6SCQ4996yos2HK8oEna5zrnLtZfXqQ9fP
         YB7w==
X-Gm-Message-State: AOAM533HXtw4bcsaZm52sgoXLZIhmwYpphWD0L1To8NV61ykKuPb+gTS
	wRdSgqoI0qiikQLVAvcWHT/V3duZUMXtQh9vENA=
X-Google-Smtp-Source: ABdhPJyaCoErrqLUAhdTv6xlAqhMkR1JwCCQVGl8I+t9tZzST7PWdRVXSq3aVJB3RVlnr2TW0Xxst2BPS1DAmhjJiH8=
X-Received: by 2002:a6b:c910:: with SMTP id z16mr37256077iof.120.1594227580799;
 Wed, 08 Jul 2020 09:59:40 -0700 (PDT)
MIME-Version: 1.0
In-Reply-To: <CAN=4vMrkQUWq0X8L98FgW5g2r6x9ZTgnGcK79cfpwy5x1cuHHw@mail.gmail.com>
References: <CAN=4vMrevv626MrDG=yaqJKOjs_6ayQVfiaUBBmj+yHbsn+6cw@mail.gmail.com>
 <CAHYJk3TZdYB9zmGjiazyfgrQo=D8i9wVC4uuDp1FMJqZ-Bw6XQ@mail.gmail.com> <CAN=4vMrkQUWq0X8L98FgW5g2r6x9ZTgnGcK79cfpwy5x1cuHHw@mail.gmail.com>
From: Mikael Magnusson <mikachu@gmail.com>
Date: Wed, 8 Jul 2020 18:59:40 +0200
Message-ID: <CAHYJk3RvfY=NsxD5W+dN3kz4jW7FH4VAeOccGpdhgq0rpBwmJQ@mail.gmail.com>
Subject: Re: zcompile does not expand aliases defined in the compiled script
To: Roman Perepelitsa <roman.perepelitsa@gmail.com>
Cc: Zsh hackers list <zsh-workers@zsh.org>
Content-Type: text/plain; charset="UTF-8"

On 7/8/20, Roman Perepelitsa <roman.perepelitsa@gmail.com> wrote:
> On Tue, Jul 7, 2020 at 10:28 PM Mikael Magnusson <mikachu@gmail.com> wrote:
>> It is possible that you changed the example in the mail without trying
>> what you changed; if you have the statements
>> alias x=:
>> x
>> in the file x, then sourcing it (non-compiled) will work
>
> Yes, that's exactly it. Given a script like this:
>
>   alias x=:
>   x
>
> Sourcing it without zcompile works (`x` on the second line is
> alias-expanded), but once the script is zcompiled an attempt to source
> it results in an error (`x` doesn't get expanded).
>
> I looked at the source code of zcompile and I understand why this
> happens. It makes perfect sense when zcompiling functions. It is,
> however, surprising when zcompiling scripts.

In general it is a good idea to not use aliases in scripts and/or
functions, they are mostly intended to save typing interactively.
Small details such as the above are another reason.

-- 
Mikael Magnusson