From mboxrd@z Thu Jan  1 00:00:00 1970
From: stardiviner <numbchild@gmail.com>
Subject: [BUG] Re: header argument :noweb-ref seems can't be resolved
Date: Tue, 19 Dec 2017 15:31:45 +0800
Message-ID: <16cda4c5-1612-145d-9cd4-aa3facbf1363@gmail.com>
References: <65580a97-24c4-a54c-655f-c37fcddd2cd1@gmail.com>
	<580C6094-17BE-44C7-8F4C-8BAF3113AA40@ucsd.edu>
	<f57a4358-91e9-1bad-316b-b72ccde380ac@gmail.com>
	<8C1BE6FC-D004-49A9-82F5-03181061E848@ucsd.edu>
	<65375b87-03d9-45bb-6529-f5473c4d6af7@gmail.com>
	<F33D770A-DD91-4A96-8D9D-94E3701E84CF@ucsd.edu>
	<CAL1eYuJ8iehpS+T5zD=Fis7kuJEhvs08mZtsH3T+Gb+8B4OgzQ@mail.gmail.com>
	<C639A75C-CA4B-464B-A384-E16F55623665@ucsd.edu>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
Return-path: <emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org>
Received: from eggs.gnu.org ([2001:4830:134:3::10]:43565)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <numbchild@gmail.com>) id 1eRCNX-0003pt-UL
	for emacs-orgmode@gnu.org; Tue, 19 Dec 2017 02:31:57 -0500
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <numbchild@gmail.com>) id 1eRCNS-0006Cg-Sm
	for emacs-orgmode@gnu.org; Tue, 19 Dec 2017 02:31:55 -0500
Received: from mail-io0-x22b.google.com ([2607:f8b0:4001:c06::22b]:34048)
	by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16)
	(Exim 4.71) (envelope-from <numbchild@gmail.com>) id 1eRCNS-0006CC-M6
	for emacs-orgmode@gnu.org; Tue, 19 Dec 2017 02:31:50 -0500
Received: by mail-io0-x22b.google.com with SMTP id f18so7507809ioh.1
	for <emacs-orgmode@gnu.org>; Mon, 18 Dec 2017 23:31:50 -0800 (PST)
In-Reply-To: <C639A75C-CA4B-464B-A384-E16F55623665@ucsd.edu>
Content-Language: en-US
List-Id: "General discussions about Org-mode." <emacs-orgmode.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/emacs-orgmode>,
	<mailto:emacs-orgmode-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/emacs-orgmode/>
List-Post: <mailto:emacs-orgmode@gnu.org>
List-Help: <mailto:emacs-orgmode-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/emacs-orgmode>,
	<mailto:emacs-orgmode-request@gnu.org?subject=subscribe>
Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org
Sender: "Emacs-orgmode"
	<emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org>
To: "Berry, Charles" <ccberry@ucsd.edu>
Cc: emacs-org-mode <emacs-orgmode@gnu.org>

Confirmed. I don't know how to fix this problem, so maybe report to 
Org-mode ML is the better way. (I changed the message title by prepend 
[BUG])


On 12/19/2017 12:59 PM, Berry, Charles wrote:
>
>> On Dec 18, 2017, at 9:28 AM, numbchild@gmail.com wrote:
>>
>> Hope someone can help here.
>>
> OK. I think I have it. `org-babel-params-from-properties' uses `org-babel-current-src-block' to figure out where to look for properties. And o-b-c-s-b-l is let bound in `org-babel-noweb-expand-references' to the src block location with the noweb reference, e.g. `<<whatnot>>'.
>
>
> The problem can be illustrated like so. Put this in a buffer:
>
> #+begin_src org
>
>    ,* abc
>      :PROPERTIES:
>      :header-args: :noweb-ref abcblocks
>      :END:
>
>    ,#+name: got-abc
>    ,#+begin_src R
>    1+2
>    ,#+end_src
>
>
>    ,* def
>
> #+end_src
>
> execute this:
>
> #+begin_src emacs-lisp
>    (defun show-prob (obcsbl)
>      (let
> 	((org-babel-current-src-block-location obcsbl))
>       (assq :noweb-ref (nth 2 (org-babel-get-src-block-info)))))
> #+end_src
>
> Then put point in the got-abc src block and type
>
>      M-: (show-prob (point)) RET
>
> and you will see `(:noweb-ref . "abcblocks")' in the minibuffer.
>
> Now try
>
>     M-:  (show-prob 1000) RET
>
> and the result is `nil'.
>
> The problem can be fixed by let-binding `org-babel-current-src-block-location' to `beg-body' in `org-babel-noweb-expand-references' like this
>
> 		  (org-babel-map-src-blocks nil
> 			    (let*
> 				((org-babel-current-src-block-location beg-body)
> 				 (i (org-babel-get-src-block-info 'light)))
> 	
> but maybe it is better to change  `org-babel-params-from-properties'.
>
> WDYT?
>
> Chuck
>
>