From: Vitalie Spinu <spinuvit@gmail.com>
To: emacs-orgmode@gnu.org
Subject: ob: Make src block location available to execution backend
Date: Wed, 05 Jun 2013 15:49:08 +0200 [thread overview]
Message-ID: <874ndcoegb.fsf@gmail.com> (raw)
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Hi,
ESS has a visual debugger that depends on the availability of source
references. It would be very nice if the debugger could step directly
through org buffers.
ESS was detecting org-src-edit buffers and redirecting references to
original org file for already quite a while. That because of the
availability of org-edit-src-beg-marker in src-edit
buffers. Unfortunately similar functionality is not available in babel.
I attach a patch that would allow ess-eval-buffer from ob-R.el to access
the location of the currently executed block through a temporary stored
marker in org-babel-current-exec-src-block-head.
Vitalie
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Modified lisp/ob-core.el
diff --git a/lisp/ob-core.el b/lisp/ob-core.el
index 8d26c4e..653975a 100644
--- a/lisp/ob-core.el
+++ b/lisp/ob-core.el
@@ -251,7 +251,7 @@ references; a process which could likely result in the execution
of other code blocks.
Returns a list
- (language body header-arguments-alist switches name indent)."
+ (language body header-arguments-alist switches name indent block-head)."
(let ((case-fold-search t) head info name indent)
;; full code block
(if (setq head (org-babel-where-is-src-block-head))
@@ -274,7 +274,7 @@ Returns a list
;; resolve variable references and add summary parameters
(when (and info (not light))
(setf (nth 2 info) (org-babel-process-params (nth 2 info))))
- (when info (append info (list name indent)))))
+ (when info (append info (list name indent head)))))
(defvar org-current-export-file) ; dynamically bound
(defmacro org-babel-check-confirm-evaluate (info &rest body)
@@ -535,6 +535,8 @@ can not be resolved.")
;;; functions
(defvar call-process-region)
+(defvar org-babel-current-exec-src-block-head nil
+ "Marker to the currently processed src block.")
;;;###autoload
(defun org-babel-execute-src-block (&optional arg info params)
@@ -562,6 +564,7 @@ block."
(let* ((params (if params
(org-babel-process-params merged-params)
(nth 2 info)))
+ (org-babel-current-exec-src-block-head (nth 6 info))
(cachep (and (not arg) (cdr (assoc :cache params))
(string= "yes" (cdr (assoc :cache params)))))
(new-hash (when cachep (org-babel-sha1-hash info)))
@@ -1592,7 +1595,7 @@ If the point is not on a source block then return nil."
(< top initial) (< initial bottom)
(progn (goto-char top) (beginning-of-line 1)
(looking-at org-babel-src-block-regexp))
- (point))))))
+ (point-marker))))))
;;;###autoload
(defun org-babel-goto-src-block-head ()
next reply other threads:[~2013-06-05 14:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-05 13:49 Vitalie Spinu [this message]
2013-06-06 11:07 ` [PATCH] Make src block location available to execution backends Vitalie Spinu
2013-06-06 15:18 ` Eric Schulte
2013-06-24 20:56 ` Bastien
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