org.el (org-auto-repeat-maybe): Suppress temporary delays
[org-mode.git] / lisp / ob-core.el
blobd15df1ad6aa4474c3e7f3cf944def3371428fff1
1 ;;; ob-core.el --- working with code blocks in org-mode
3 ;; Copyright (C) 2009-2012 Free Software Foundation, Inc.
5 ;; Authors: Eric Schulte
6 ;; Dan Davison
7 ;; Keywords: literate programming, reproducible research
8 ;; Homepage: http://orgmode.org
10 ;; This file is part of GNU Emacs.
12 ;; GNU Emacs is free software: you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation, either version 3 of the License, or
15 ;; (at your option) any later version.
17 ;; GNU Emacs is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 ;;; Code:
26 (eval-when-compile
27 (require 'cl))
28 (require 'ob-eval)
29 (require 'org-macs)
30 (require 'org-compat)
32 (defconst org-babel-exeext
33 (if (memq system-type '(windows-nt cygwin))
34 ".exe"
35 nil))
36 (defvar org-babel-call-process-region-original)
37 (defvar org-src-lang-modes)
38 (defvar org-babel-library-of-babel)
39 (declare-function show-all "outline" ())
40 (declare-function org-reduce "org" (CL-FUNC CL-SEQ &rest CL-KEYS))
41 (declare-function org-mark-ring-push "org" (&optional pos buffer))
42 (declare-function tramp-compat-make-temp-file "tramp-compat"
43 (filename &optional dir-flag))
44 (declare-function tramp-dissect-file-name "tramp" (name &optional nodefault))
45 (declare-function tramp-file-name-user "tramp" (vec))
46 (declare-function tramp-file-name-host "tramp" (vec))
47 (declare-function with-parsed-tramp-file-name "tramp" (filename var &rest body))
48 (declare-function org-icompleting-read "org" (&rest args))
49 (declare-function org-edit-src-code "org-src"
50 (&optional context code edit-buffer-name quietp))
51 (declare-function org-edit-src-exit "org-src" (&optional context))
52 (declare-function org-open-at-point "org" (&optional in-emacs reference-buffer))
53 (declare-function org-save-outline-visibility "org-macs" (use-markers &rest body))
54 (declare-function org-outline-overlay-data "org" (&optional use-markers))
55 (declare-function org-set-outline-overlay-data "org" (data))
56 (declare-function org-narrow-to-subtree "org" ())
57 (declare-function org-split-string "org" (string &optional separators))
58 (declare-function org-entry-get "org"
59 (pom property &optional inherit literal-nil))
60 (declare-function org-make-options-regexp "org" (kwds &optional extra))
61 (declare-function org-do-remove-indentation "org" (&optional n))
62 (declare-function org-next-block "org" (arg &optional backward block-regexp))
63 (declare-function org-previous-block "org" (arg &optional block-regexp))
64 (declare-function org-show-context "org" (&optional key))
65 (declare-function org-at-table-p "org" (&optional table-type))
66 (declare-function org-cycle "org" (&optional arg))
67 (declare-function org-uniquify "org" (list))
68 (declare-function org-current-level "org" ())
69 (declare-function org-table-import "org-table" (file arg))
70 (declare-function org-add-hook "org-compat"
71 (hook function &optional append local))
72 (declare-function org-table-align "org-table" ())
73 (declare-function org-table-end "org-table" (&optional table-type))
74 (declare-function orgtbl-to-generic "org-table" (table params))
75 (declare-function orgtbl-to-orgtbl "org-table" (table params))
76 (declare-function org-babel-tangle-comment-links "ob-tangle" (&optional info))
77 (declare-function org-babel-lob-get-info "ob-lob" nil)
78 (declare-function org-babel-ref-split-args "ob-ref" (arg-string))
79 (declare-function org-babel-ref-parse "ob-ref" (assignment))
80 (declare-function org-babel-ref-resolve "ob-ref" (ref))
81 (declare-function org-babel-ref-goto-headline-id "ob-ref" (id))
82 (declare-function org-babel-ref-headline-body "ob-ref" ())
83 (declare-function org-babel-lob-execute-maybe "ob-lob" ())
84 (declare-function org-number-sequence "org-compat" (from &optional to inc))
85 (declare-function org-at-item-p "org-list" ())
86 (declare-function org-list-parse-list "org-list" (&optional delete))
87 (declare-function org-list-to-generic "org-list" (LIST PARAMS))
88 (declare-function org-list-struct "org-list" ())
89 (declare-function org-list-prevs-alist "org-list" (struct))
90 (declare-function org-list-get-list-end "org-list" (item struct prevs))
91 (declare-function org-remove-if "org" (predicate seq))
92 (declare-function org-completing-read "org" (&rest args))
93 (declare-function org-escape-code-in-region "org-src" (beg end))
94 (declare-function org-unescape-code-in-string "org-src" (s))
95 (declare-function org-table-to-lisp "org-table" (&optional txt))
97 (defgroup org-babel nil
98 "Code block evaluation and management in `org-mode' documents."
99 :tag "Babel"
100 :group 'org)
102 (defcustom org-confirm-babel-evaluate t
103 "Confirm before evaluation.
104 Require confirmation before interactively evaluating code
105 blocks in Org-mode buffers. The default value of this variable
106 is t, meaning confirmation is required for any code block
107 evaluation. This variable can be set to nil to inhibit any
108 future confirmation requests. This variable can also be set to a
109 function which takes two arguments the language of the code block
110 and the body of the code block. Such a function should then
111 return a non-nil value if the user should be prompted for
112 execution or nil if no prompt is required.
114 Warning: Disabling confirmation may result in accidental
115 evaluation of potentially harmful code. It may be advisable
116 remove code block execution from C-c C-c as further protection
117 against accidental code block evaluation. The
118 `org-babel-no-eval-on-ctrl-c-ctrl-c' variable can be used to
119 remove code block execution from the C-c C-c keybinding."
120 :group 'org-babel
121 :version "24.1"
122 :type '(choice boolean function))
123 ;; don't allow this variable to be changed through file settings
124 (put 'org-confirm-babel-evaluate 'safe-local-variable (lambda (x) (eq x t)))
126 (defcustom org-babel-no-eval-on-ctrl-c-ctrl-c nil
127 "Remove code block evaluation from the C-c C-c key binding."
128 :group 'org-babel
129 :version "24.1"
130 :type 'boolean)
132 (defcustom org-babel-results-keyword "RESULTS"
133 "Keyword used to name results generated by code blocks.
134 Should be either RESULTS or NAME however any capitalization may
135 be used."
136 :group 'org-babel
137 :type 'string)
139 (defcustom org-babel-noweb-wrap-start "<<"
140 "String used to begin a noweb reference in a code block.
141 See also `org-babel-noweb-wrap-end'."
142 :group 'org-babel
143 :type 'string)
145 (defcustom org-babel-noweb-wrap-end ">>"
146 "String used to end a noweb reference in a code block.
147 See also `org-babel-noweb-wrap-start'."
148 :group 'org-babel
149 :type 'string)
151 (defun org-babel-noweb-wrap (&optional regexp)
152 (concat org-babel-noweb-wrap-start
153 (or regexp "\\([^ \t\n].+?[^ \t]\\|[^ \t\n]\\)")
154 org-babel-noweb-wrap-end))
156 (defvar org-babel-src-name-regexp
157 "^[ \t]*#\\+name:[ \t]*"
158 "Regular expression used to match a source name line.")
160 (defvar org-babel-multi-line-header-regexp
161 "^[ \t]*#\\+headers?:[ \t]*\\([^\n]*\\)$"
162 "Regular expression used to match multi-line header arguments.")
164 (defvar org-babel-src-name-w-name-regexp
165 (concat org-babel-src-name-regexp
166 "\\("
167 org-babel-multi-line-header-regexp
168 "\\)*"
169 "\\([^ ()\f\t\n\r\v]+\\)\\(\(\\(.*\\)\)\\|\\)")
170 "Regular expression matching source name lines with a name.")
172 (defvar org-babel-src-block-regexp
173 (concat
174 ;; (1) indentation (2) lang
175 "^\\([ \t]*\\)#\\+begin_src[ \t]+\\([^ \f\t\n\r\v]+\\)[ \t]*"
176 ;; (3) switches
177 "\\([^\":\n]*\"[^\"\n*]*\"[^\":\n]*\\|[^\":\n]*\\)"
178 ;; (4) header arguments
179 "\\([^\n]*\\)\n"
180 ;; (5) body
181 "\\([^\000]*?\n\\)?[ \t]*#\\+end_src")
182 "Regexp used to identify code blocks.")
184 (defvar org-babel-inline-src-block-regexp
185 (concat
186 ;; (1) replacement target (2) lang
187 "\\(?:^\\|[^-[:alnum:]]\\)\\(src_\\([^ \f\t\n\r\v]+\\)"
188 ;; (3,4) (unused, headers)
189 "\\(\\|\\[\\(.*?\\)\\]\\)"
190 ;; (5) body
191 "{\\([^\f\n\r\v]+?\\)}\\)")
192 "Regexp used to identify inline src-blocks.")
194 (defun org-babel-get-header (params key &optional others)
195 "Select only header argument of type KEY from a list.
196 Optional argument OTHERS indicates that only the header that do
197 not match KEY should be returned."
198 (delq nil
199 (mapcar
200 (lambda (p) (when (funcall (if others #'not #'identity) (eq (car p) key)) p))
201 params)))
203 (defun org-babel-get-inline-src-block-matches()
204 "Set match data if within body of an inline source block.
205 Returns non-nil if match-data set"
206 (let ((src-at-0-p (save-excursion
207 (beginning-of-line 1)
208 (string= "src" (thing-at-point 'word))))
209 (first-line-p (= 1 (line-number-at-pos)))
210 (orig (point)))
211 (let ((search-for (cond ((and src-at-0-p first-line-p "src_"))
212 (first-line-p "[[:punct:] \t]src_")
213 (t "[[:punct:] \f\t\n\r\v]src_")))
214 (lower-limit (if first-line-p
216 (- (point-at-bol) 1))))
217 (save-excursion
218 (when (or (and src-at-0-p (bobp))
219 (and (re-search-forward "}" (point-at-eol) t)
220 (re-search-backward search-for lower-limit t)
221 (> orig (point))))
222 (when (looking-at org-babel-inline-src-block-regexp)
223 t ))))))
225 (defvar org-babel-inline-lob-one-liner-regexp)
226 (defun org-babel-get-lob-one-liner-matches()
227 "Set match data if on line of an lob one liner.
228 Returns non-nil if match-data set"
229 (save-excursion
230 (unless (= (point) (point-at-bol)) ;; move before inline block
231 (re-search-backward "[ \f\t\n\r\v]" nil t))
232 (if (looking-at org-babel-inline-lob-one-liner-regexp)
234 nil)))
236 (defun org-babel-get-src-block-info (&optional light)
237 "Get information on the current source block.
239 Optional argument LIGHT does not resolve remote variable
240 references; a process which could likely result in the execution
241 of other code blocks.
243 Returns a list
244 (language body header-arguments-alist switches name indent)."
245 (let ((case-fold-search t) head info name indent)
246 ;; full code block
247 (if (setq head (org-babel-where-is-src-block-head))
248 (save-excursion
249 (goto-char head)
250 (setq info (org-babel-parse-src-block-match))
251 (setq indent (car (last info)))
252 (setq info (butlast info))
253 (while (and (forward-line -1)
254 (looking-at org-babel-multi-line-header-regexp))
255 (setf (nth 2 info)
256 (org-babel-merge-params
257 (nth 2 info)
258 (org-babel-parse-header-arguments (match-string 1)))))
259 (when (looking-at org-babel-src-name-w-name-regexp)
260 (setq name (org-no-properties (match-string 3)))
261 (when (and (match-string 5) (> (length (match-string 5)) 0))
262 (setf (nth 2 info) ;; merge functional-syntax vars and header-args
263 (org-babel-merge-params
264 (mapcar
265 (lambda (ref) (cons :var ref))
266 (mapcar
267 (lambda (var) ;; check that each variable is initialized
268 (if (string-match ".+=.+" var)
270 (error
271 "variable \"%s\"%s must be assigned a default value"
272 var (if name (format " in block \"%s\"" name) ""))))
273 (org-babel-ref-split-args (match-string 5))))
274 (nth 2 info))))))
275 ;; inline source block
276 (when (org-babel-get-inline-src-block-matches)
277 (setq info (org-babel-parse-inline-src-block-match))))
278 ;; resolve variable references and add summary parameters
279 (when (and info (not light))
280 (setf (nth 2 info) (org-babel-process-params (nth 2 info))))
281 (when info (append info (list name indent)))))
283 (defvar org-current-export-file) ; dynamically bound
284 (defun org-babel-confirm-evaluate (info)
285 "Confirm evaluation of the code block INFO.
286 This behavior can be suppressed by setting the value of
287 `org-confirm-babel-evaluate' to nil, in which case all future
288 interactive code block evaluations will proceed without any
289 confirmation from the user.
291 Note disabling confirmation may result in accidental evaluation
292 of potentially harmful code."
293 (let* ((eval (or (cdr (assoc :eval (nth 2 info)))
294 (when (assoc :noeval (nth 2 info)) "no")))
295 (query (cond ((equal eval "query") t)
296 ((and (boundp 'org-current-export-file)
297 org-current-export-file
298 (equal eval "query-export")) t)
299 ((functionp org-confirm-babel-evaluate)
300 (funcall org-confirm-babel-evaluate
301 (nth 0 info) (nth 1 info)))
302 (t org-confirm-babel-evaluate))))
303 (if (or (equal eval "never") (equal eval "no")
304 (and (boundp 'org-current-export-file)
305 org-current-export-file
306 (or (equal eval "no-export")
307 (equal eval "never-export")))
308 (and query
309 (not (yes-or-no-p
310 (format "Evaluate this%scode block%son your system? "
311 (if info (format " %s " (nth 0 info)) " ")
312 (if (nth 4 info)
313 (format " (%s) " (nth 4 info)) " "))))))
314 (prog1 nil (message "Evaluation %s"
315 (if (or (equal eval "never") (equal eval "no")
316 (equal eval "no-export")
317 (equal eval "never-export"))
318 "Disabled" "Aborted")))
319 t)))
321 ;;;###autoload
322 (defun org-babel-execute-safely-maybe ()
323 (unless org-babel-no-eval-on-ctrl-c-ctrl-c
324 (org-babel-execute-maybe)))
326 (add-hook 'org-ctrl-c-ctrl-c-hook 'org-babel-execute-safely-maybe)
328 ;;;###autoload
329 (defun org-babel-execute-maybe ()
330 (interactive)
331 (or (org-babel-execute-src-block-maybe)
332 (org-babel-lob-execute-maybe)))
334 (defun org-babel-execute-src-block-maybe ()
335 "Conditionally execute a source block.
336 Detect if this is context for a Babel src-block and if so
337 then run `org-babel-execute-src-block'."
338 (interactive)
339 (let ((info (org-babel-get-src-block-info)))
340 (if info
341 (progn (org-babel-eval-wipe-error-buffer)
342 (org-babel-execute-src-block current-prefix-arg info) t) nil)))
344 ;;;###autoload
345 (defun org-babel-view-src-block-info ()
346 "Display information on the current source block.
347 This includes header arguments, language and name, and is largely
348 a window into the `org-babel-get-src-block-info' function."
349 (interactive)
350 (let ((info (org-babel-get-src-block-info 'light))
351 (full (lambda (it) (> (length it) 0)))
352 (printf (lambda (fmt &rest args) (princ (apply #'format fmt args)))))
353 (when info
354 (with-help-window (help-buffer)
355 (let ((name (nth 4 info))
356 (lang (nth 0 info))
357 (switches (nth 3 info))
358 (header-args (nth 2 info)))
359 (when name (funcall printf "Name: %s\n" name))
360 (when lang (funcall printf "Lang: %s\n" lang))
361 (when (funcall full switches) (funcall printf "Switches: %s\n" switches))
362 (funcall printf "Header Arguments:\n")
363 (dolist (pair (sort header-args
364 (lambda (a b) (string< (symbol-name (car a))
365 (symbol-name (car b))))))
366 (when (funcall full (cdr pair))
367 (funcall printf "\t%S%s\t%s\n"
368 (car pair)
369 (if (> (length (format "%S" (car pair))) 7) "" "\t")
370 (cdr pair)))))))))
372 ;;;###autoload
373 (defun org-babel-expand-src-block-maybe ()
374 "Conditionally expand a source block.
375 Detect if this is context for a org-babel src-block and if so
376 then run `org-babel-expand-src-block'."
377 (interactive)
378 (let ((info (org-babel-get-src-block-info)))
379 (if info
380 (progn (org-babel-expand-src-block current-prefix-arg info) t)
381 nil)))
383 ;;;###autoload
384 (defun org-babel-load-in-session-maybe ()
385 "Conditionally load a source block in a session.
386 Detect if this is context for a org-babel src-block and if so
387 then run `org-babel-load-in-session'."
388 (interactive)
389 (let ((info (org-babel-get-src-block-info)))
390 (if info
391 (progn (org-babel-load-in-session current-prefix-arg info) t)
392 nil)))
394 (add-hook 'org-metaup-hook 'org-babel-load-in-session-maybe)
396 ;;;###autoload
397 (defun org-babel-pop-to-session-maybe ()
398 "Conditionally pop to a session.
399 Detect if this is context for a org-babel src-block and if so
400 then run `org-babel-pop-to-session'."
401 (interactive)
402 (let ((info (org-babel-get-src-block-info)))
403 (if info (progn (org-babel-pop-to-session current-prefix-arg info) t) nil)))
405 (add-hook 'org-metadown-hook 'org-babel-pop-to-session-maybe)
407 (defconst org-babel-common-header-args-w-values
408 '((cache . ((no yes)))
409 (cmdline . :any)
410 (colnames . ((nil no yes)))
411 (comments . ((no link yes org both noweb)))
412 (dir . :any)
413 (eval . ((never query)))
414 (exports . ((code results both none)))
415 (file . :any)
416 (file-desc . :any)
417 (hlines . ((no yes)))
418 (mkdirp . ((yes no)))
419 (no-expand)
420 (noeval)
421 (noweb . ((yes no tangle no-export strip-export)))
422 (noweb-ref . :any)
423 (noweb-sep . :any)
424 (padline . ((yes no)))
425 (results . ((file list vector table scalar verbatim)
426 (raw html latex org code pp drawer)
427 (replace silent none append prepend)
428 (output value)))
429 (rownames . ((no yes)))
430 (sep . :any)
431 (session . :any)
432 (shebang . :any)
433 (tangle . ((tangle yes no :any)))
434 (var . :any)
435 (wrap . :any)))
437 (defconst org-babel-header-arg-names
438 (mapcar #'car org-babel-common-header-args-w-values)
439 "Common header arguments used by org-babel.
440 Note that individual languages may define their own language
441 specific header arguments as well.")
443 (defvar org-babel-default-header-args
444 '((:session . "none") (:results . "replace") (:exports . "code")
445 (:cache . "no") (:noweb . "no") (:hlines . "no") (:tangle . "no")
446 (:padnewline . "yes"))
447 "Default arguments to use when evaluating a source block.")
449 (defvar org-babel-default-inline-header-args
450 '((:session . "none") (:results . "replace") (:exports . "results"))
451 "Default arguments to use when evaluating an inline source block.")
453 (defvar org-babel-data-names '("tblname" "results" "name"))
455 (defvar org-babel-result-regexp
456 (concat "^[ \t]*#\\+"
457 (regexp-opt org-babel-data-names t)
458 "\\(\\[\\("
459 ;; FIXME The string below is `org-ts-regexp'
460 "<\\([0-9]\\{4\\}-[0-9]\\{2\\}-[0-9]\\{2\\} ?[^\r\n>]*?\\)>"
461 " \\)?\\([[:alnum:]]+\\)\\]\\)?\\:[ \t]*")
462 "Regular expression used to match result lines.
463 If the results are associated with a hash key then the hash will
464 be saved in the second match data.")
466 (defvar org-babel-result-w-name-regexp
467 (concat org-babel-result-regexp
468 "\\([^ ()\f\t\n\r\v]+\\)\\(\(\\(.*\\)\)\\|\\)"))
470 (defvar org-babel-min-lines-for-block-output 10
471 "The minimum number of lines for block output.
472 If number of lines of output is equal to or exceeds this
473 value, the output is placed in a #+begin_example...#+end_example
474 block. Otherwise the output is marked as literal by inserting
475 colons at the starts of the lines. This variable only takes
476 effect if the :results output option is in effect.")
478 (defvar org-babel-noweb-error-langs nil
479 "Languages for which Babel will raise literate programming errors.
480 List of languages for which errors should be raised when the
481 source code block satisfying a noweb reference in this language
482 can not be resolved.")
484 (defvar org-babel-hash-show 4
485 "Number of initial characters to show of a hidden results hash.")
487 (defvar org-babel-hash-show-time nil
488 "When not nil show the time the code block was evaluated in the result hash.")
490 (defvar org-babel-after-execute-hook nil
491 "Hook for functions to be called after `org-babel-execute-src-block'")
493 (defun org-babel-named-src-block-regexp-for-name (name)
494 "This generates a regexp used to match a src block named NAME."
495 (concat org-babel-src-name-regexp (regexp-quote name)
496 "[ \t(]*[\r\n]\\(?:^#.*[\r\n]\\)*"
497 (substring org-babel-src-block-regexp 1)))
499 (defun org-babel-named-data-regexp-for-name (name)
500 "This generates a regexp used to match data named NAME."
501 (concat org-babel-result-regexp (regexp-quote name) "\\([ \t]\\|$\\)"))
503 ;;; functions
504 (defvar call-process-region)
506 ;;;###autoload
507 (defun org-babel-execute-src-block (&optional arg info params)
508 "Execute the current source code block.
509 Insert the results of execution into the buffer. Source code
510 execution and the collection and formatting of results can be
511 controlled through a variety of header arguments.
513 With prefix argument ARG, force re-execution even if an existing
514 result cached in the buffer would otherwise have been returned.
516 Optionally supply a value for INFO in the form returned by
517 `org-babel-get-src-block-info'.
519 Optionally supply a value for PARAMS which will be merged with
520 the header arguments specified at the front of the source code
521 block."
522 (interactive)
523 (let ((info (or info (org-babel-get-src-block-info))))
524 (when (org-babel-confirm-evaluate
525 (let ((i info))
526 (setf (nth 2 i) (org-babel-merge-params (nth 2 info) params))
528 (let* ((lang (nth 0 info))
529 (params (if params
530 (org-babel-process-params
531 (org-babel-merge-params (nth 2 info) params))
532 (nth 2 info)))
533 (cache? (and (not arg) (cdr (assoc :cache params))
534 (string= "yes" (cdr (assoc :cache params)))))
535 (result-params (cdr (assoc :result-params params)))
536 (new-hash (when cache? (org-babel-sha1-hash info)))
537 (old-hash (when cache? (org-babel-current-result-hash)))
538 (body (setf (nth 1 info)
539 (if (org-babel-noweb-p params :eval)
540 (org-babel-expand-noweb-references info)
541 (nth 1 info))))
542 (dir (cdr (assoc :dir params)))
543 (default-directory
544 (or (and dir (file-name-as-directory (expand-file-name dir)))
545 default-directory))
546 (org-babel-call-process-region-original
547 (if (boundp 'org-babel-call-process-region-original)
548 org-babel-call-process-region-original
549 (symbol-function 'call-process-region)))
550 (indent (car (last info)))
551 result cmd)
552 (unwind-protect
553 (let ((call-process-region
554 (lambda (&rest args)
555 (apply 'org-babel-tramp-handle-call-process-region args))))
556 (let ((lang-check (lambda (f)
557 (let ((f (intern (concat "org-babel-execute:" f))))
558 (when (fboundp f) f)))))
559 (setq cmd
560 (or (funcall lang-check lang)
561 (funcall lang-check (symbol-name
562 (cdr (assoc lang org-src-lang-modes))))
563 (error "No org-babel-execute function for %s!" lang))))
564 (if (and (not arg) new-hash (equal new-hash old-hash))
565 (save-excursion ;; return cached result
566 (goto-char (org-babel-where-is-src-block-result nil info))
567 (end-of-line 1) (forward-char 1)
568 (setq result (org-babel-read-result))
569 (message (replace-regexp-in-string
570 "%" "%%" (format "%S" result))) result)
571 (message "executing %s code block%s..."
572 (capitalize lang)
573 (if (nth 4 info) (format " (%s)" (nth 4 info)) ""))
574 (if (member "none" result-params)
575 (progn
576 (funcall cmd body params)
577 (message "result silenced"))
578 (setq result
579 ((lambda (result)
580 (if (and (eq (cdr (assoc :result-type params)) 'value)
581 (or (member "vector" result-params)
582 (member "table" result-params))
583 (not (listp result)))
584 (list (list result)) result))
585 (funcall cmd body params)))
586 ;; if non-empty result and :file then write to :file
587 (when (cdr (assoc :file params))
588 (when result
589 (with-temp-file (cdr (assoc :file params))
590 (insert
591 (org-babel-format-result
592 result (cdr (assoc :sep (nth 2 info)))))))
593 (setq result (cdr (assoc :file params))))
594 (org-babel-insert-result
595 result result-params info new-hash indent lang)
596 (run-hooks 'org-babel-after-execute-hook)
597 result
599 (setq call-process-region 'org-babel-call-process-region-original))))))
601 (defun org-babel-expand-body:generic (body params &optional var-lines)
602 "Expand BODY with PARAMS.
603 Expand a block of code with org-babel according to its header
604 arguments. This generic implementation of body expansion is
605 called for languages which have not defined their own specific
606 org-babel-expand-body:lang function."
607 (mapconcat #'identity (append var-lines (list body)) "\n"))
609 ;;;###autoload
610 (defun org-babel-expand-src-block (&optional arg info params)
611 "Expand the current source code block.
612 Expand according to the source code block's header
613 arguments and pop open the results in a preview buffer."
614 (interactive)
615 (let* ((info (or info (org-babel-get-src-block-info)))
616 (lang (nth 0 info))
617 (params (setf (nth 2 info)
618 (sort (org-babel-merge-params (nth 2 info) params)
619 (lambda (el1 el2) (string< (symbol-name (car el1))
620 (symbol-name (car el2)))))))
621 (body (setf (nth 1 info)
622 (if (org-babel-noweb-p params :eval)
623 (org-babel-expand-noweb-references info) (nth 1 info))))
624 (expand-cmd (intern (concat "org-babel-expand-body:" lang)))
625 (assignments-cmd (intern (concat "org-babel-variable-assignments:"
626 lang)))
627 (expanded
628 (if (fboundp expand-cmd) (funcall expand-cmd body params)
629 (org-babel-expand-body:generic
630 body params (and (fboundp assignments-cmd)
631 (funcall assignments-cmd params))))))
632 (org-edit-src-code
633 nil expanded (concat "*Org-Babel Preview " (buffer-name) "[ " lang " ]*"))))
635 (defun org-babel-edit-distance (s1 s2)
636 "Return the edit (levenshtein) distance between strings S1 S2."
637 (let* ((l1 (length s1))
638 (l2 (length s2))
639 (dist (vconcat (mapcar (lambda (_) (make-vector (1+ l2) nil))
640 (number-sequence 1 (1+ l1)))))
641 (in (lambda (i j) (aref (aref dist i) j))))
642 (setf (aref (aref dist 0) 0) 0)
643 (dolist (j (number-sequence 1 l2))
644 (setf (aref (aref dist 0) j) j))
645 (dolist (i (number-sequence 1 l1))
646 (setf (aref (aref dist i) 0) i)
647 (dolist (j (number-sequence 1 l2))
648 (setf (aref (aref dist i) j)
649 (min
650 (1+ (funcall in (1- i) j))
651 (1+ (funcall in i (1- j)))
652 (+ (if (equal (aref s1 (1- i)) (aref s2 (1- j))) 0 1)
653 (funcall in (1- i) (1- j)))))))
654 (funcall in l1 l2)))
656 (defun org-babel-combine-header-arg-lists (original &rest others)
657 "Combine a number of lists of header argument names and arguments."
658 (let ((results (copy-sequence original)))
659 (dolist (new-list others)
660 (dolist (arg-pair new-list)
661 (let ((header (car arg-pair))
662 (args (cdr arg-pair)))
663 (setq results
664 (cons arg-pair (org-remove-if
665 (lambda (pair) (equal header (car pair)))
666 results))))))
667 results))
669 ;;;###autoload
670 (defun org-babel-check-src-block ()
671 "Check for misspelled header arguments in the current code block."
672 (interactive)
673 ;; TODO: report malformed code block
674 ;; TODO: report incompatible combinations of header arguments
675 ;; TODO: report uninitialized variables
676 (let ((too-close 2) ;; <- control closeness to report potential match
677 (names (mapcar #'symbol-name org-babel-header-arg-names)))
678 (dolist (header (mapcar (lambda (arg) (substring (symbol-name (car arg)) 1))
679 (and (org-babel-where-is-src-block-head)
680 (org-babel-parse-header-arguments
681 (org-no-properties
682 (match-string 4))))))
683 (dolist (name names)
684 (when (and (not (string= header name))
685 (<= (org-babel-edit-distance header name) too-close)
686 (not (member header names)))
687 (error "Supplied header \"%S\" is suspiciously close to \"%S\""
688 header name))))
689 (message "No suspicious header arguments found.")))
691 ;;;###autoload
692 (defun org-babel-insert-header-arg ()
693 "Insert a header argument selecting from lists of common args and values."
694 (interactive)
695 (let* ((lang (car (org-babel-get-src-block-info 'light)))
696 (lang-headers (intern (concat "org-babel-header-args:" lang)))
697 (headers (org-babel-combine-header-arg-lists
698 org-babel-common-header-args-w-values
699 (if (boundp lang-headers) (eval lang-headers) nil)))
700 (arg (org-icompleting-read
701 "Header Arg: "
702 (mapcar
703 (lambda (header-spec) (symbol-name (car header-spec)))
704 headers))))
705 (insert ":" arg)
706 (let ((vals (cdr (assoc (intern arg) headers))))
707 (when vals
708 (insert
710 (cond
711 ((eq vals :any)
712 (read-from-minibuffer "value: "))
713 ((listp vals)
714 (mapconcat
715 (lambda (group)
716 (let ((arg (org-icompleting-read
717 "value: "
718 (cons "default" (mapcar #'symbol-name group)))))
719 (if (and arg (not (string= "default" arg)))
720 (concat arg " ")
721 "")))
722 vals ""))))))))
724 ;; Add support for completing-read insertion of header arguments after ":"
725 (defun org-babel-header-arg-expand ()
726 "Call `org-babel-enter-header-arg-w-completion' in appropriate contexts."
727 (when (and (equal (char-before) ?\:) (org-babel-where-is-src-block-head))
728 (org-babel-enter-header-arg-w-completion (match-string 2))))
730 (defun org-babel-enter-header-arg-w-completion (&optional lang)
731 "Insert header argument appropriate for LANG with completion."
732 (let* ((lang-headers-var (intern (concat "org-babel-header-args:" lang)))
733 (lang-headers (when (boundp lang-headers-var) (eval lang-headers-var)))
734 (headers-w-values (org-babel-combine-header-arg-lists
735 org-babel-common-header-args-w-values lang-headers))
736 (headers (mapcar #'symbol-name (mapcar #'car headers-w-values)))
737 (header (org-completing-read "Header Arg: " headers))
738 (args (cdr (assoc (intern header) headers-w-values)))
739 (arg (when (and args (listp args))
740 (org-completing-read
741 (format "%s: " header)
742 (mapcar #'symbol-name (apply #'append args))))))
743 (insert (concat header " " (or arg "")))
744 (cons header arg)))
746 (add-hook 'org-tab-first-hook 'org-babel-header-arg-expand)
748 ;;;###autoload
749 (defun org-babel-load-in-session (&optional arg info)
750 "Load the body of the current source-code block.
751 Evaluate the header arguments for the source block before
752 entering the session. After loading the body this pops open the
753 session."
754 (interactive)
755 (let* ((info (or info (org-babel-get-src-block-info)))
756 (lang (nth 0 info))
757 (params (nth 2 info))
758 (body (setf (nth 1 info)
759 (if (org-babel-noweb-p params :eval)
760 (org-babel-expand-noweb-references info)
761 (nth 1 info))))
762 (session (cdr (assoc :session params)))
763 (dir (cdr (assoc :dir params)))
764 (default-directory
765 (or (and dir (file-name-as-directory dir)) default-directory))
766 (cmd (intern (concat "org-babel-load-session:" lang))))
767 (unless (fboundp cmd)
768 (error "No org-babel-load-session function for %s!" lang))
769 (pop-to-buffer (funcall cmd session body params))
770 (end-of-line 1)))
772 ;;;###autoload
773 (defun org-babel-initiate-session (&optional arg info)
774 "Initiate session for current code block.
775 If called with a prefix argument then resolve any variable
776 references in the header arguments and assign these variables in
777 the session. Copy the body of the code block to the kill ring."
778 (interactive "P")
779 (let* ((info (or info (org-babel-get-src-block-info (not arg))))
780 (lang (nth 0 info))
781 (body (nth 1 info))
782 (params (nth 2 info))
783 (session (cdr (assoc :session params)))
784 (dir (cdr (assoc :dir params)))
785 (default-directory
786 (or (and dir (file-name-as-directory dir)) default-directory))
787 (init-cmd (intern (format "org-babel-%s-initiate-session" lang)))
788 (prep-cmd (intern (concat "org-babel-prep-session:" lang))))
789 (if (and (stringp session) (string= session "none"))
790 (error "This block is not using a session!"))
791 (unless (fboundp init-cmd)
792 (error "No org-babel-initiate-session function for %s!" lang))
793 (with-temp-buffer (insert (org-babel-trim body))
794 (copy-region-as-kill (point-min) (point-max)))
795 (when arg
796 (unless (fboundp prep-cmd)
797 (error "No org-babel-prep-session function for %s!" lang))
798 (funcall prep-cmd session params))
799 (funcall init-cmd session params)))
801 ;;;###autoload
802 (defun org-babel-switch-to-session (&optional arg info)
803 "Switch to the session of the current code block.
804 Uses `org-babel-initiate-session' to start the session. If called
805 with a prefix argument then this is passed on to
806 `org-babel-initiate-session'."
807 (interactive "P")
808 (pop-to-buffer (org-babel-initiate-session arg info))
809 (end-of-line 1))
811 (defalias 'org-babel-pop-to-session 'org-babel-switch-to-session)
813 ;;;###autoload
814 (defun org-babel-switch-to-session-with-code (&optional arg info)
815 "Switch to code buffer and display session."
816 (interactive "P")
817 (let ((swap-windows
818 (lambda ()
819 (let ((other-window-buffer (window-buffer (next-window))))
820 (set-window-buffer (next-window) (current-buffer))
821 (set-window-buffer (selected-window) other-window-buffer))
822 (other-window 1)))
823 (info (org-babel-get-src-block-info))
824 (org-src-window-setup 'reorganize-frame))
825 (save-excursion
826 (org-babel-switch-to-session arg info))
827 (org-edit-src-code)
828 (funcall swap-windows)))
830 (defmacro org-babel-do-in-edit-buffer (&rest body)
831 "Evaluate BODY in edit buffer if there is a code block at point.
832 Return t if a code block was found at point, nil otherwise."
833 `(let ((org-src-window-setup 'switch-invisibly))
834 (when (and (org-babel-where-is-src-block-head)
835 (org-edit-src-code nil nil nil))
836 (unwind-protect (progn ,@body)
837 (if (org-bound-and-true-p org-edit-src-from-org-mode)
838 (org-edit-src-exit)))
839 t)))
840 (def-edebug-spec org-babel-do-in-edit-buffer (body))
842 (defun org-babel-do-key-sequence-in-edit-buffer (key)
843 "Read key sequence and execute the command in edit buffer.
844 Enter a key sequence to be executed in the language major-mode
845 edit buffer. For example, TAB will alter the contents of the
846 Org-mode code block according to the effect of TAB in the
847 language major-mode buffer. For languages that support
848 interactive sessions, this can be used to send code from the Org
849 buffer to the session for evaluation using the native major-mode
850 evaluation mechanisms."
851 (interactive "kEnter key-sequence to execute in edit buffer: ")
852 (org-babel-do-in-edit-buffer
853 (call-interactively
854 (key-binding (or key (read-key-sequence nil))))))
856 (defvar org-bracket-link-regexp)
858 ;;;###autoload
859 (defun org-babel-open-src-block-result (&optional re-run)
860 "If `point' is on a src block then open the results of the
861 source code block, otherwise return nil. With optional prefix
862 argument RE-RUN the source-code block is evaluated even if
863 results already exist."
864 (interactive "P")
865 (let ((info (org-babel-get-src-block-info)))
866 (when info
867 (save-excursion
868 ;; go to the results, if there aren't any then run the block
869 (goto-char (or (and (not re-run) (org-babel-where-is-src-block-result))
870 (progn (org-babel-execute-src-block)
871 (org-babel-where-is-src-block-result))))
872 (end-of-line 1)
873 (while (looking-at "[\n\r\t\f ]") (forward-char 1))
874 ;; open the results
875 (if (looking-at org-bracket-link-regexp)
876 ;; file results
877 (org-open-at-point)
878 (let ((r (org-babel-format-result
879 (org-babel-read-result) (cdr (assoc :sep (nth 2 info))))))
880 (pop-to-buffer (get-buffer-create "*Org-Babel Results*"))
881 (delete-region (point-min) (point-max))
882 (insert r)))
883 t))))
885 ;;;###autoload
886 (defmacro org-babel-map-src-blocks (file &rest body)
887 "Evaluate BODY forms on each source-block in FILE.
888 If FILE is nil evaluate BODY forms on source blocks in current
889 buffer. During evaluation of BODY the following local variables
890 are set relative to the currently matched code block.
892 full-block ------- string holding the entirety of the code block
893 beg-block -------- point at the beginning of the code block
894 end-block -------- point at the end of the matched code block
895 lang ------------- string holding the language of the code block
896 beg-lang --------- point at the beginning of the lang
897 end-lang --------- point at the end of the lang
898 switches --------- string holding the switches
899 beg-switches ----- point at the beginning of the switches
900 end-switches ----- point at the end of the switches
901 header-args ------ string holding the header-args
902 beg-header-args -- point at the beginning of the header-args
903 end-header-args -- point at the end of the header-args
904 body ------------- string holding the body of the code block
905 beg-body --------- point at the beginning of the body
906 end-body --------- point at the end of the body"
907 (declare (indent 1))
908 (let ((tempvar (make-symbol "file")))
909 `(let* ((,tempvar ,file)
910 (visited-p (or (null ,tempvar)
911 (get-file-buffer (expand-file-name ,tempvar))))
912 (point (point)) to-be-removed)
913 (save-window-excursion
914 (when ,tempvar (find-file ,tempvar))
915 (setq to-be-removed (current-buffer))
916 (goto-char (point-min))
917 (while (re-search-forward org-babel-src-block-regexp nil t)
918 (goto-char (match-beginning 0))
919 (let ((full-block (match-string 0))
920 (beg-block (match-beginning 0))
921 (end-block (match-end 0))
922 (lang (match-string 2))
923 (beg-lang (match-beginning 2))
924 (end-lang (match-end 2))
925 (switches (match-string 3))
926 (beg-switches (match-beginning 3))
927 (end-switches (match-end 3))
928 (header-args (match-string 4))
929 (beg-header-args (match-beginning 4))
930 (end-header-args (match-end 4))
931 (body (match-string 5))
932 (beg-body (match-beginning 5))
933 (end-body (match-end 5)))
934 ,@body
935 (goto-char end-block))))
936 (unless visited-p (kill-buffer to-be-removed))
937 (goto-char point))))
938 (def-edebug-spec org-babel-map-src-blocks (form body))
940 ;;;###autoload
941 (defmacro org-babel-map-inline-src-blocks (file &rest body)
942 "Evaluate BODY forms on each inline source-block in FILE.
943 If FILE is nil evaluate BODY forms on source blocks in current
944 buffer."
945 (declare (indent 1))
946 (let ((tempvar (make-symbol "file")))
947 `(let* ((,tempvar ,file)
948 (visited-p (or (null ,tempvar)
949 (get-file-buffer (expand-file-name ,tempvar))))
950 (point (point)) to-be-removed)
951 (save-window-excursion
952 (when ,tempvar (find-file ,tempvar))
953 (setq to-be-removed (current-buffer))
954 (goto-char (point-min))
955 (while (re-search-forward org-babel-inline-src-block-regexp nil t)
956 (goto-char (match-beginning 1))
957 (save-match-data ,@body)
958 (goto-char (match-end 0))))
959 (unless visited-p (kill-buffer to-be-removed))
960 (goto-char point))))
961 (def-edebug-spec org-babel-map-inline-src-blocks (form body))
963 (defvar org-babel-lob-one-liner-regexp)
965 ;;;###autoload
966 (defmacro org-babel-map-call-lines (file &rest body)
967 "Evaluate BODY forms on each call line in FILE.
968 If FILE is nil evaluate BODY forms on source blocks in current
969 buffer."
970 (declare (indent 1))
971 (let ((tempvar (make-symbol "file")))
972 `(let* ((,tempvar ,file)
973 (visited-p (or (null ,tempvar)
974 (get-file-buffer (expand-file-name ,tempvar))))
975 (point (point)) to-be-removed)
976 (save-window-excursion
977 (when ,tempvar (find-file ,tempvar))
978 (setq to-be-removed (current-buffer))
979 (goto-char (point-min))
980 (while (re-search-forward org-babel-lob-one-liner-regexp nil t)
981 (goto-char (match-beginning 1))
982 (save-match-data ,@body)
983 (goto-char (match-end 0))))
984 (unless visited-p (kill-buffer to-be-removed))
985 (goto-char point))))
986 (def-edebug-spec org-babel-map-call-lines (form body))
988 ;;;###autoload
989 (defmacro org-babel-map-executables (file &rest body)
990 (declare (indent 1))
991 (let ((tempvar (make-symbol "file"))
992 (rx (make-symbol "rx")))
993 `(let* ((,tempvar ,file)
994 (,rx (concat "\\(" org-babel-src-block-regexp
995 "\\|" org-babel-inline-src-block-regexp
996 "\\|" org-babel-lob-one-liner-regexp "\\)"))
997 (visited-p (or (null ,tempvar)
998 (get-file-buffer (expand-file-name ,tempvar))))
999 (point (point)) to-be-removed)
1000 (save-window-excursion
1001 (when ,tempvar (find-file ,tempvar))
1002 (setq to-be-removed (current-buffer))
1003 (goto-char (point-min))
1004 (while (re-search-forward ,rx nil t)
1005 (goto-char (match-beginning 1))
1006 (when (looking-at org-babel-inline-src-block-regexp)(forward-char 1))
1007 (save-match-data ,@body)
1008 (goto-char (match-end 0))))
1009 (unless visited-p (kill-buffer to-be-removed))
1010 (goto-char point))))
1011 (def-edebug-spec org-babel-map-executables (form body))
1013 ;;;###autoload
1014 (defun org-babel-execute-buffer (&optional arg)
1015 "Execute source code blocks in a buffer.
1016 Call `org-babel-execute-src-block' on every source block in
1017 the current buffer."
1018 (interactive "P")
1019 (org-babel-eval-wipe-error-buffer)
1020 (org-save-outline-visibility t
1021 (org-babel-map-executables nil
1022 (if (looking-at org-babel-lob-one-liner-regexp)
1023 (org-babel-lob-execute-maybe)
1024 (org-babel-execute-src-block arg)))))
1026 ;;;###autoload
1027 (defun org-babel-execute-subtree (&optional arg)
1028 "Execute source code blocks in a subtree.
1029 Call `org-babel-execute-src-block' on every source block in
1030 the current subtree."
1031 (interactive "P")
1032 (save-restriction
1033 (save-excursion
1034 (org-narrow-to-subtree)
1035 (org-babel-execute-buffer arg)
1036 (widen))))
1038 ;;;###autoload
1039 (defun org-babel-sha1-hash (&optional info)
1040 "Generate an sha1 hash based on the value of info."
1041 (interactive)
1042 (let ((print-level nil)
1043 (info (or info (org-babel-get-src-block-info))))
1044 (setf (nth 2 info)
1045 (sort (copy-sequence (nth 2 info))
1046 (lambda (a b) (string< (car a) (car b)))))
1047 (let* ((rm (lambda (lst)
1048 (dolist (p '("replace" "silent" "none"
1049 "append" "prepend"))
1050 (setq lst (remove p lst)))
1051 lst))
1052 (norm (lambda (arg)
1053 (let ((v (if (and (listp (cdr arg)) (null (cddr arg)))
1054 (copy-sequence (cdr arg))
1055 (cdr arg))))
1056 (when (and v (not (and (sequencep v)
1057 (not (consp v))
1058 (= (length v) 0))))
1059 (cond
1060 ((and (listp v) ; lists are sorted
1061 (member (car arg) '(:result-params)))
1062 (sort (funcall rm v) #'string<))
1063 ((and (stringp v) ; strings are sorted
1064 (member (car arg) '(:results :exports)))
1065 (mapconcat #'identity (sort (funcall rm (split-string v))
1066 #'string<) " "))
1067 (t v)))))))
1068 ((lambda (hash)
1069 (when (org-called-interactively-p 'interactive) (message hash)) hash)
1070 (let ((it (format "%s-%s"
1071 (mapconcat
1072 #'identity
1073 (delq nil (mapcar (lambda (arg)
1074 (let ((normalized (funcall norm arg)))
1075 (when normalized
1076 (format "%S" normalized))))
1077 (nth 2 info))) ":")
1078 (nth 1 info))))
1079 (sha1 it))))))
1081 (defun org-babel-current-result-hash ()
1082 "Return the current in-buffer hash."
1083 (org-babel-where-is-src-block-result)
1084 (org-no-properties (match-string 5)))
1086 (defun org-babel-set-current-result-hash (hash)
1087 "Set the current in-buffer hash to HASH."
1088 (org-babel-where-is-src-block-result)
1089 (save-excursion (goto-char (match-beginning 3))
1090 ;; (mapc #'delete-overlay (overlays-at (point)))
1091 (replace-match hash nil nil nil 3)
1092 (org-babel-hide-hash)))
1094 (defun org-babel-hide-hash ()
1095 "Hide the hash in the current results line.
1096 Only the initial `org-babel-hash-show' characters of the hash
1097 will remain visible."
1098 (add-to-invisibility-spec '(org-babel-hide-hash . t))
1099 (save-excursion
1100 (when (and (re-search-forward org-babel-result-regexp nil t)
1101 (match-string 5))
1102 (let* ((start (match-beginning 5))
1103 (hide-start (+ org-babel-hash-show start))
1104 (end (match-end 5))
1105 (hash (match-string 5))
1106 ov1 ov2)
1107 (setq ov1 (make-overlay start hide-start))
1108 (setq ov2 (make-overlay hide-start end))
1109 (overlay-put ov2 'invisible 'org-babel-hide-hash)
1110 (overlay-put ov1 'babel-hash hash)))))
1112 (defun org-babel-hide-all-hashes ()
1113 "Hide the hash in the current buffer.
1114 Only the initial `org-babel-hash-show' characters of each hash
1115 will remain visible. This function should be called as part of
1116 the `org-mode-hook'."
1117 (save-excursion
1118 (while (and (not org-babel-hash-show-time)
1119 (re-search-forward org-babel-result-regexp nil t))
1120 (goto-char (match-beginning 0))
1121 (org-babel-hide-hash)
1122 (goto-char (match-end 0)))))
1123 (add-hook 'org-mode-hook 'org-babel-hide-all-hashes)
1125 (defun org-babel-hash-at-point (&optional point)
1126 "Return the value of the hash at POINT.
1127 The hash is also added as the last element of the kill ring.
1128 This can be called with C-c C-c."
1129 (interactive)
1130 (let ((hash (car (delq nil (mapcar
1131 (lambda (ol) (overlay-get ol 'babel-hash))
1132 (overlays-at (or point (point))))))))
1133 (when hash (kill-new hash) (message hash))))
1134 (add-hook 'org-ctrl-c-ctrl-c-hook 'org-babel-hash-at-point)
1136 (defun org-babel-result-hide-spec ()
1137 "Hide portions of results lines.
1138 Add `org-babel-hide-result' as an invisibility spec for hiding
1139 portions of results lines."
1140 (add-to-invisibility-spec '(org-babel-hide-result . t)))
1141 (add-hook 'org-mode-hook 'org-babel-result-hide-spec)
1143 (defvar org-babel-hide-result-overlays nil
1144 "Overlays hiding results.")
1146 (defun org-babel-result-hide-all ()
1147 "Fold all results in the current buffer."
1148 (interactive)
1149 (org-babel-show-result-all)
1150 (save-excursion
1151 (while (re-search-forward org-babel-result-regexp nil t)
1152 (save-excursion (goto-char (match-beginning 0))
1153 (org-babel-hide-result-toggle-maybe)))))
1155 (defun org-babel-show-result-all ()
1156 "Unfold all results in the current buffer."
1157 (mapc 'delete-overlay org-babel-hide-result-overlays)
1158 (setq org-babel-hide-result-overlays nil))
1160 ;;;###autoload
1161 (defun org-babel-hide-result-toggle-maybe ()
1162 "Toggle visibility of result at point."
1163 (interactive)
1164 (let ((case-fold-search t))
1165 (if (save-excursion
1166 (beginning-of-line 1)
1167 (looking-at org-babel-result-regexp))
1168 (progn (org-babel-hide-result-toggle)
1169 t) ;; to signal that we took action
1170 nil))) ;; to signal that we did not
1172 (defun org-babel-hide-result-toggle (&optional force)
1173 "Toggle the visibility of the current result."
1174 (interactive)
1175 (save-excursion
1176 (beginning-of-line)
1177 (if (re-search-forward org-babel-result-regexp nil t)
1178 (let ((start (progn (beginning-of-line 2) (- (point) 1)))
1179 (end (progn
1180 (while (looking-at org-babel-multi-line-header-regexp)
1181 (forward-line 1))
1182 (goto-char (- (org-babel-result-end) 1)) (point)))
1184 (if (memq t (mapcar (lambda (overlay)
1185 (eq (overlay-get overlay 'invisible)
1186 'org-babel-hide-result))
1187 (overlays-at start)))
1188 (if (or (not force) (eq force 'off))
1189 (mapc (lambda (ov)
1190 (when (member ov org-babel-hide-result-overlays)
1191 (setq org-babel-hide-result-overlays
1192 (delq ov org-babel-hide-result-overlays)))
1193 (when (eq (overlay-get ov 'invisible)
1194 'org-babel-hide-result)
1195 (delete-overlay ov)))
1196 (overlays-at start)))
1197 (setq ov (make-overlay start end))
1198 (overlay-put ov 'invisible 'org-babel-hide-result)
1199 ;; make the block accessible to isearch
1200 (overlay-put
1201 ov 'isearch-open-invisible
1202 (lambda (ov)
1203 (when (member ov org-babel-hide-result-overlays)
1204 (setq org-babel-hide-result-overlays
1205 (delq ov org-babel-hide-result-overlays)))
1206 (when (eq (overlay-get ov 'invisible)
1207 'org-babel-hide-result)
1208 (delete-overlay ov))))
1209 (push ov org-babel-hide-result-overlays)))
1210 (error "Not looking at a result line"))))
1212 ;; org-tab-after-check-for-cycling-hook
1213 (add-hook 'org-tab-first-hook 'org-babel-hide-result-toggle-maybe)
1214 ;; Remove overlays when changing major mode
1215 (add-hook 'org-mode-hook
1216 (lambda () (org-add-hook 'change-major-mode-hook
1217 'org-babel-show-result-all 'append 'local)))
1219 (defvar org-file-properties)
1220 (defun org-babel-params-from-properties (&optional lang)
1221 "Retrieve parameters specified as properties.
1222 Return an association list of any source block params which
1223 may be specified in the properties of the current outline entry."
1224 (save-match-data
1225 (let (val sym)
1226 (org-babel-parse-multiple-vars
1227 (delq nil
1228 (mapcar
1229 (lambda (header-arg)
1230 (and (setq val (org-entry-get (point) header-arg t))
1231 (cons (intern (concat ":" header-arg))
1232 (org-babel-read val))))
1233 (mapcar
1234 #'symbol-name
1235 (mapcar
1236 #'car
1237 (org-babel-combine-header-arg-lists
1238 org-babel-common-header-args-w-values
1239 (progn
1240 (setq sym (intern (concat "org-babel-header-args:" lang)))
1241 (and (boundp sym) (eval sym))))))))))))
1243 (defvar org-src-preserve-indentation)
1244 (defun org-babel-parse-src-block-match ()
1245 "Parse the results from a match of the `org-babel-src-block-regexp'."
1246 (let* ((block-indentation (length (match-string 1)))
1247 (lang (org-no-properties (match-string 2)))
1248 (lang-headers (intern (concat "org-babel-default-header-args:" lang)))
1249 (switches (match-string 3))
1250 (body (org-no-properties
1251 (let* ((body (match-string 5))
1252 (sub-length (- (length body) 1)))
1253 (if (and (> sub-length 0)
1254 (string= "\n" (substring body sub-length)))
1255 (substring body 0 sub-length)
1256 (or body "")))))
1257 (preserve-indentation (or org-src-preserve-indentation
1258 (save-match-data
1259 (string-match "-i\\>" switches)))))
1260 (list lang
1261 ;; get block body less properties, protective commas, and indentation
1262 (with-temp-buffer
1263 (save-match-data
1264 (insert (org-unescape-code-in-string body))
1265 (unless preserve-indentation (org-do-remove-indentation))
1266 (buffer-string)))
1267 (org-babel-merge-params
1268 org-babel-default-header-args
1269 (org-babel-params-from-properties lang)
1270 (if (boundp lang-headers) (eval lang-headers) nil)
1271 (org-babel-parse-header-arguments
1272 (org-no-properties (or (match-string 4) ""))))
1273 switches
1274 block-indentation)))
1276 (defun org-babel-parse-inline-src-block-match ()
1277 "Parse the results from a match of the `org-babel-inline-src-block-regexp'."
1278 (let* ((lang (org-no-properties (match-string 2)))
1279 (lang-headers (intern (concat "org-babel-default-header-args:" lang))))
1280 (list lang
1281 (org-unescape-code-in-string (org-no-properties (match-string 5)))
1282 (org-babel-merge-params
1283 org-babel-default-inline-header-args
1284 (org-babel-params-from-properties lang)
1285 (if (boundp lang-headers) (eval lang-headers) nil)
1286 (org-babel-parse-header-arguments
1287 (org-no-properties (or (match-string 4) "")))))))
1289 (defun org-babel-balanced-split (string alts)
1290 "Split STRING on instances of ALTS.
1291 ALTS is a cons of two character options where each option may be
1292 either the numeric code of a single character or a list of
1293 character alternatives. For example to split on balanced
1294 instances of \"[ \t]:\" set ALTS to '((32 9) . 58)."
1295 (let* ((matches (lambda (ch spec) (if (listp spec) (member ch spec) (equal spec ch))))
1296 (matched (lambda (ch last)
1297 (if (consp alts)
1298 (and (funcall matches ch (cdr alts))
1299 (funcall matches last (car alts)))
1300 (funcall matches ch alts))))
1301 (balance 0) (last 0)
1302 quote partial lst)
1303 (mapc (lambda (ch) ; split on [], (), "" balanced instances of [ \t]:
1304 (setq balance (+ balance
1305 (cond ((or (equal 91 ch) (equal 40 ch)) 1)
1306 ((or (equal 93 ch) (equal 41 ch)) -1)
1307 (t 0))))
1308 (when (and (equal 34 ch) (not (equal 92 last)))
1309 (setq quote (not quote)))
1310 (setq partial (cons ch partial))
1311 (when (and (= balance 0) (not quote) (funcall matched ch last))
1312 (setq lst (cons (apply #'string (nreverse
1313 (if (consp alts)
1314 (cddr partial)
1315 (cdr partial))))
1316 lst))
1317 (setq partial nil))
1318 (setq last ch))
1319 (string-to-list string))
1320 (nreverse (cons (apply #'string (nreverse partial)) lst))))
1322 (defun org-babel-join-splits-near-ch (ch list)
1323 "Join splits where \"=\" is on either end of the split."
1324 (let ((last= (lambda (str) (= ch (aref str (1- (length str))))))
1325 (first= (lambda (str) (= ch (aref str 0)))))
1326 (reverse
1327 (org-reduce (lambda (acc el)
1328 (let ((head (car acc)))
1329 (if (and head (or (funcall last= head) (funcall first= el)))
1330 (cons (concat head el) (cdr acc))
1331 (cons el acc))))
1332 list :initial-value nil))))
1334 (defun org-babel-parse-header-arguments (arg-string)
1335 "Parse a string of header arguments returning an alist."
1336 (when (> (length arg-string) 0)
1337 (org-babel-parse-multiple-vars
1338 (delq nil
1339 (mapcar
1340 (lambda (arg)
1341 (if (string-match
1342 "\\([^ \f\t\n\r\v]+\\)[ \f\t\n\r\v]+\\([^ \f\t\n\r\v]+.*\\)"
1343 arg)
1344 (cons (intern (match-string 1 arg))
1345 (org-babel-read (org-babel-chomp (match-string 2 arg))))
1346 (cons (intern (org-babel-chomp arg)) nil)))
1347 ((lambda (raw)
1348 (cons (car raw) (mapcar (lambda (r) (concat ":" r)) (cdr raw))))
1349 (org-babel-balanced-split arg-string '((32 9) . 58))))))))
1351 (defun org-babel-parse-multiple-vars (header-arguments)
1352 "Expand multiple variable assignments behind a single :var keyword.
1354 This allows expression of multiple variables with one :var as
1355 shown below.
1357 #+PROPERTY: var foo=1, bar=2"
1358 (let (results)
1359 (mapc (lambda (pair)
1360 (if (eq (car pair) :var)
1361 (mapcar (lambda (v) (push (cons :var (org-babel-trim v)) results))
1362 (org-babel-join-splits-near-ch
1363 61 (org-babel-balanced-split (cdr pair) 32)))
1364 (push pair results)))
1365 header-arguments)
1366 (nreverse results)))
1368 (defun org-babel-process-params (params)
1369 "Expand variables in PARAMS and add summary parameters."
1370 (let* ((processed-vars (mapcar (lambda (el)
1371 (if (consp (cdr el))
1372 (cdr el)
1373 (org-babel-ref-parse (cdr el))))
1374 (org-babel-get-header params :var)))
1375 (vars-and-names (if (and (assoc :colname-names params)
1376 (assoc :rowname-names params))
1377 (list processed-vars)
1378 (org-babel-disassemble-tables
1379 processed-vars
1380 (cdr (assoc :hlines params))
1381 (cdr (assoc :colnames params))
1382 (cdr (assoc :rownames params)))))
1383 (raw-result (or (cdr (assoc :results params)) ""))
1384 (result-params (append
1385 (split-string (if (stringp raw-result)
1386 raw-result
1387 (eval raw-result)))
1388 (cdr (assoc :result-params params)))))
1389 (append
1390 (mapcar (lambda (var) (cons :var var)) (car vars-and-names))
1391 (list
1392 (cons :colname-names (or (cdr (assoc :colname-names params))
1393 (cadr vars-and-names)))
1394 (cons :rowname-names (or (cdr (assoc :rowname-names params))
1395 (caddr vars-and-names)))
1396 (cons :result-params result-params)
1397 (cons :result-type (cond ((member "output" result-params) 'output)
1398 ((member "value" result-params) 'value)
1399 (t 'value))))
1400 (org-babel-get-header params :var 'other))))
1402 ;; row and column names
1403 (defun org-babel-del-hlines (table)
1404 "Remove all 'hlines from TABLE."
1405 (remove 'hline table))
1407 (defun org-babel-get-colnames (table)
1408 "Return the column names of TABLE.
1409 Return a cons cell, the `car' of which contains the TABLE less
1410 colnames, and the `cdr' of which contains a list of the column
1411 names."
1412 (if (equal 'hline (nth 1 table))
1413 (cons (cddr table) (car table))
1414 (cons (cdr table) (car table))))
1416 (defun org-babel-get-rownames (table)
1417 "Return the row names of TABLE.
1418 Return a cons cell, the `car' of which contains the TABLE less
1419 colnames, and the `cdr' of which contains a list of the column
1420 names. Note: this function removes any hlines in TABLE."
1421 (let* ((trans (lambda (table) (apply #'mapcar* #'list table)))
1422 (width (apply 'max
1423 (mapcar (lambda (el) (if (listp el) (length el) 0)) table)))
1424 (table (funcall trans (mapcar (lambda (row)
1425 (if (not (equal row 'hline))
1427 (setq row '())
1428 (dotimes (n width)
1429 (setq row (cons 'hline row)))
1430 row))
1431 table))))
1432 (cons (mapcar (lambda (row) (if (equal (car row) 'hline) 'hline row))
1433 (funcall trans (cdr table)))
1434 (remove 'hline (car table)))))
1436 (defun org-babel-put-colnames (table colnames)
1437 "Add COLNAMES to TABLE if they exist."
1438 (if colnames (apply 'list colnames 'hline table) table))
1440 (defun org-babel-put-rownames (table rownames)
1441 "Add ROWNAMES to TABLE if they exist."
1442 (if rownames
1443 (mapcar (lambda (row)
1444 (if (listp row)
1445 (cons (or (pop rownames) "") row)
1446 row)) table)
1447 table))
1449 (defun org-babel-pick-name (names selector)
1450 "Select one out of an alist of row or column names.
1451 SELECTOR can be either a list of names in which case those names
1452 will be returned directly, or an index into the list NAMES in
1453 which case the indexed names will be return."
1454 (if (listp selector)
1455 selector
1456 (when names
1457 (if (and selector (symbolp selector) (not (equal t selector)))
1458 (cdr (assoc selector names))
1459 (if (integerp selector)
1460 (nth (- selector 1) names)
1461 (cdr (car (last names))))))))
1463 (defun org-babel-disassemble-tables (vars hlines colnames rownames)
1464 "Parse tables for further processing.
1465 Process the variables in VARS according to the HLINES,
1466 ROWNAMES and COLNAMES header arguments. Return a list consisting
1467 of the vars, cnames and rnames."
1468 (let (cnames rnames)
1469 (list
1470 (mapcar
1471 (lambda (var)
1472 (when (listp (cdr var))
1473 (when (and (not (equal colnames "no"))
1474 (or colnames (and (equal (nth 1 (cdr var)) 'hline)
1475 (not (member 'hline (cddr (cdr var)))))))
1476 (let ((both (org-babel-get-colnames (cdr var))))
1477 (setq cnames (cons (cons (car var) (cdr both))
1478 cnames))
1479 (setq var (cons (car var) (car both)))))
1480 (when (and rownames (not (equal rownames "no")))
1481 (let ((both (org-babel-get-rownames (cdr var))))
1482 (setq rnames (cons (cons (car var) (cdr both))
1483 rnames))
1484 (setq var (cons (car var) (car both)))))
1485 (when (and hlines (not (equal hlines "yes")))
1486 (setq var (cons (car var) (org-babel-del-hlines (cdr var))))))
1487 var)
1488 vars)
1489 (reverse cnames) (reverse rnames))))
1491 (defun org-babel-reassemble-table (table colnames rownames)
1492 "Add column and row names to a table.
1493 Given a TABLE and set of COLNAMES and ROWNAMES add the names
1494 to the table for reinsertion to org-mode."
1495 (if (listp table)
1496 ((lambda (table)
1497 (if (and colnames (listp (car table)) (= (length (car table))
1498 (length colnames)))
1499 (org-babel-put-colnames table colnames) table))
1500 (if (and rownames (= (length table) (length rownames)))
1501 (org-babel-put-rownames table rownames) table))
1502 table))
1504 (defun org-babel-where-is-src-block-head ()
1505 "Find where the current source block begins.
1506 Return the point at the beginning of the current source
1507 block. Specifically at the beginning of the #+BEGIN_SRC line.
1508 If the point is not on a source block then return nil."
1509 (let ((initial (point)) (case-fold-search t) top bottom)
1511 (save-excursion ;; on a source name line or a #+header line
1512 (beginning-of-line 1)
1513 (and (or (looking-at org-babel-src-name-regexp)
1514 (looking-at org-babel-multi-line-header-regexp))
1515 (progn
1516 (while (and (forward-line 1)
1517 (or (looking-at org-babel-src-name-regexp)
1518 (looking-at org-babel-multi-line-header-regexp))))
1519 (looking-at org-babel-src-block-regexp))
1520 (point)))
1521 (save-excursion ;; on a #+begin_src line
1522 (beginning-of-line 1)
1523 (and (looking-at org-babel-src-block-regexp)
1524 (point)))
1525 (save-excursion ;; inside a src block
1526 (and
1527 (re-search-backward "^[ \t]*#\\+begin_src" nil t) (setq top (point))
1528 (re-search-forward "^[ \t]*#\\+end_src" nil t) (setq bottom (point))
1529 (< top initial) (< initial bottom)
1530 (progn (goto-char top) (beginning-of-line 1)
1531 (looking-at org-babel-src-block-regexp))
1532 (point))))))
1534 ;;;###autoload
1535 (defun org-babel-goto-src-block-head ()
1536 "Go to the beginning of the current code block."
1537 (interactive)
1538 ((lambda (head)
1539 (if head (goto-char head) (error "Not currently in a code block")))
1540 (org-babel-where-is-src-block-head)))
1542 ;;;###autoload
1543 (defun org-babel-goto-named-src-block (name)
1544 "Go to a named source-code block."
1545 (interactive
1546 (let ((completion-ignore-case t)
1547 (case-fold-search t)
1548 (under-point (thing-at-point 'line)))
1549 (list (org-icompleting-read
1550 "source-block name: " (org-babel-src-block-names) nil t
1551 (cond
1552 ;; noweb
1553 ((string-match (org-babel-noweb-wrap) under-point)
1554 (let ((block-name (match-string 1 under-point)))
1555 (string-match "[^(]*" block-name)
1556 (match-string 0 block-name)))
1557 ;; #+call:
1558 ((string-match org-babel-lob-one-liner-regexp under-point)
1559 (let ((source-info (car (org-babel-lob-get-info))))
1560 (if (string-match "^\\([^\\[]+?\\)\\(\\[.*\\]\\)?(" source-info)
1561 (let ((source-name (match-string 1 source-info)))
1562 source-name))))
1563 ;; #+results:
1564 ((string-match (concat "#\\+" org-babel-results-keyword
1565 "\\:\s+\\([^\\(]*\\)") under-point)
1566 (match-string 1 under-point))
1567 ;; symbol-at-point
1568 ((and (thing-at-point 'symbol))
1569 (org-babel-find-named-block (thing-at-point 'symbol))
1570 (thing-at-point 'symbol))
1571 (""))))))
1572 (let ((point (org-babel-find-named-block name)))
1573 (if point
1574 ;; taken from `org-open-at-point'
1575 (progn (org-mark-ring-push) (goto-char point) (org-show-context))
1576 (message "source-code block '%s' not found in this buffer" name))))
1578 (defun org-babel-find-named-block (name)
1579 "Find a named source-code block.
1580 Return the location of the source block identified by source
1581 NAME, or nil if no such block exists. Set match data according to
1582 org-babel-named-src-block-regexp."
1583 (save-excursion
1584 (let ((case-fold-search t)
1585 (regexp (org-babel-named-src-block-regexp-for-name name)) msg)
1586 (goto-char (point-min))
1587 (when (or (re-search-forward regexp nil t)
1588 (re-search-backward regexp nil t))
1589 (match-beginning 0)))))
1591 (defun org-babel-src-block-names (&optional file)
1592 "Returns the names of source blocks in FILE or the current buffer."
1593 (save-excursion
1594 (when file (find-file file)) (goto-char (point-min))
1595 (let ((case-fold-search t) names)
1596 (while (re-search-forward org-babel-src-name-w-name-regexp nil t)
1597 (setq names (cons (match-string 3) names)))
1598 names)))
1600 ;;;###autoload
1601 (defun org-babel-goto-named-result (name)
1602 "Go to a named result."
1603 (interactive
1604 (let ((completion-ignore-case t))
1605 (list (org-icompleting-read "source-block name: "
1606 (org-babel-result-names) nil t))))
1607 (let ((point (org-babel-find-named-result name)))
1608 (if point
1609 ;; taken from `org-open-at-point'
1610 (progn (goto-char point) (org-show-context))
1611 (message "result '%s' not found in this buffer" name))))
1613 (defun org-babel-find-named-result (name &optional point)
1614 "Find a named result.
1615 Return the location of the result named NAME in the current
1616 buffer or nil if no such result exists."
1617 (save-excursion
1618 (let ((case-fold-search t))
1619 (goto-char (or point (point-min)))
1620 (catch 'is-a-code-block
1621 (when (re-search-forward
1622 (concat org-babel-result-regexp
1623 "[ \t]" (regexp-quote name) "[ \t]*[\n\f\v\r]") nil t)
1624 (when (and (string= "name" (downcase (match-string 1)))
1625 (or (beginning-of-line 1)
1626 (looking-at org-babel-src-block-regexp)
1627 (looking-at org-babel-multi-line-header-regexp)))
1628 (throw 'is-a-code-block (org-babel-find-named-result name (point))))
1629 (beginning-of-line 0) (point))))))
1631 (defun org-babel-result-names (&optional file)
1632 "Returns the names of results in FILE or the current buffer."
1633 (save-excursion
1634 (when file (find-file file)) (goto-char (point-min))
1635 (let ((case-fold-search t) names)
1636 (while (re-search-forward org-babel-result-w-name-regexp nil t)
1637 (setq names (cons (match-string 4) names)))
1638 names)))
1640 ;;;###autoload
1641 (defun org-babel-next-src-block (&optional arg)
1642 "Jump to the next source block.
1643 With optional prefix argument ARG, jump forward ARG many source blocks."
1644 (interactive "p")
1645 (org-next-block arg nil org-babel-src-block-regexp))
1647 ;;;###autoload
1648 (defun org-babel-previous-src-block (&optional arg)
1649 "Jump to the previous source block.
1650 With optional prefix argument ARG, jump backward ARG many source blocks."
1651 (interactive "p")
1652 (org-previous-block arg org-babel-src-block-regexp))
1654 (defvar org-babel-load-languages)
1656 ;;;###autoload
1657 (defun org-babel-mark-block ()
1658 "Mark current src block."
1659 (interactive)
1660 ((lambda (head)
1661 (when head
1662 (save-excursion
1663 (goto-char head)
1664 (looking-at org-babel-src-block-regexp))
1665 (push-mark (match-end 5) nil t)
1666 (goto-char (match-beginning 5))))
1667 (org-babel-where-is-src-block-head)))
1669 (defun org-babel-demarcate-block (&optional arg)
1670 "Wrap or split the code in the region or on the point.
1671 When called from inside of a code block the current block is
1672 split. When called from outside of a code block a new code block
1673 is created. In both cases if the region is demarcated and if the
1674 region is not active then the point is demarcated."
1675 (interactive "P")
1676 (let ((info (org-babel-get-src-block-info 'light))
1677 (headers (progn (org-babel-where-is-src-block-head)
1678 (match-string 4)))
1679 (stars (concat (make-string (or (org-current-level) 1) ?*) " ")))
1680 (if info
1681 (mapc
1682 (lambda (place)
1683 (save-excursion
1684 (goto-char place)
1685 (let ((lang (nth 0 info))
1686 (indent (make-string (nth 5 info) ? )))
1687 (when (string-match "^[[:space:]]*$"
1688 (buffer-substring (point-at-bol)
1689 (point-at-eol)))
1690 (delete-region (point-at-bol) (point-at-eol)))
1691 (insert (concat
1692 (if (looking-at "^") "" "\n")
1693 indent "#+end_src\n"
1694 (if arg stars indent) "\n"
1695 indent "#+begin_src " lang
1696 (if (> (length headers) 1)
1697 (concat " " headers) headers)
1698 (if (looking-at "[\n\r]")
1700 (concat "\n" (make-string (current-column) ? )))))))
1701 (move-end-of-line 2))
1702 (sort (if (org-region-active-p) (list (mark) (point)) (list (point))) #'>))
1703 (let ((start (point))
1704 (lang (org-icompleting-read "Lang: "
1705 (mapcar (lambda (el) (symbol-name (car el)))
1706 org-babel-load-languages)))
1707 (body (delete-and-extract-region
1708 (if (org-region-active-p) (mark) (point)) (point))))
1709 (insert (concat (if (looking-at "^") "" "\n")
1710 (if arg (concat stars "\n") "")
1711 "#+begin_src " lang "\n"
1712 body
1713 (if (or (= (length body) 0)
1714 (string-match "[\r\n]$" body)) "" "\n")
1715 "#+end_src\n"))
1716 (goto-char start) (move-end-of-line 1)))))
1718 (defvar org-babel-lob-one-liner-regexp)
1719 (defun org-babel-where-is-src-block-result (&optional insert info hash indent)
1720 "Find where the current source block results begin.
1721 Return the point at the beginning of the result of the current
1722 source block. Specifically at the beginning of the results line.
1723 If no result exists for this block then create a results line
1724 following the source block."
1725 (save-excursion
1726 (let* ((case-fold-search t)
1727 (on-lob-line (save-excursion
1728 (beginning-of-line 1)
1729 (looking-at org-babel-lob-one-liner-regexp)))
1730 (inlinep (when (org-babel-get-inline-src-block-matches)
1731 (match-end 0)))
1732 (name (if on-lob-line
1733 (mapconcat #'identity (butlast (org-babel-lob-get-info)) "")
1734 (nth 4 (or info (org-babel-get-src-block-info 'light)))))
1735 (head (unless on-lob-line (org-babel-where-is-src-block-head)))
1736 found beg end)
1737 (when head (goto-char head))
1738 (org-with-wide-buffer
1739 (setq
1740 found ;; was there a result (before we potentially insert one)
1742 inlinep
1743 (and
1744 ;; named results:
1745 ;; - return t if it is found, else return nil
1746 ;; - if it does not need to be rebuilt, then don't set end
1747 ;; - if it does need to be rebuilt then do set end
1748 name (setq beg (org-babel-find-named-result name))
1749 (prog1 beg
1750 (when (and hash (not (string= hash (match-string 5))))
1751 (goto-char beg) (setq end beg) ;; beginning of result
1752 (forward-line 1)
1753 (delete-region end (org-babel-result-end)) nil)))
1754 (and
1755 ;; unnamed results:
1756 ;; - return t if it is found, else return nil
1757 ;; - if it is found, and the hash doesn't match, delete and set end
1758 (or on-lob-line (re-search-forward "^[ \t]*#\\+end_src" nil t))
1759 (progn (end-of-line 1)
1760 (if (eobp) (insert "\n") (forward-char 1))
1761 (setq end (point))
1762 (or (and (not name)
1763 (progn ;; unnamed results line already exists
1764 (re-search-forward "[^ \f\t\n\r\v]" nil t)
1765 (beginning-of-line 1)
1766 (looking-at
1767 (concat org-babel-result-regexp "\n")))
1768 (let ((this-hash (match-string 5)))
1769 (prog1 (point)
1770 ;; must remove and rebuild if hash!=old-hash
1771 (if (and hash (not (string= hash this-hash)))
1772 (prog1 nil
1773 (forward-line 1)
1774 (delete-region
1775 end (org-babel-result-end)))
1776 (setq end nil)))))))))))
1777 (if (not (and insert end)) found
1778 (goto-char end)
1779 (unless beg
1780 (if (looking-at "[\n\r]") (forward-char 1) (insert "\n")))
1781 (insert (concat
1782 (when (wholenump indent) (make-string indent ? ))
1783 "#+" org-babel-results-keyword
1784 (when hash
1785 (if org-babel-hash-show-time
1786 (concat
1787 "["(format-time-string "<%Y-%m-%d %H:%M:%S>")" "hash"]")
1788 (concat "["hash"]")))
1790 (when name (concat " " name)) "\n"))
1791 (unless beg (insert "\n") (backward-char))
1792 (beginning-of-line 0)
1793 (if hash (org-babel-hide-hash))
1794 (point)))))
1796 (defvar org-block-regexp)
1797 (defun org-babel-read-result ()
1798 "Read the result at `point' into emacs-lisp."
1799 (let ((case-fold-search t) result-string)
1800 (cond
1801 ((org-at-table-p) (org-babel-read-table))
1802 ((org-at-item-p) (org-babel-read-list))
1803 ((looking-at org-bracket-link-regexp) (org-babel-read-link))
1804 ((looking-at org-block-regexp) (org-babel-trim (match-string 4)))
1805 ((looking-at "^[ \t]*: ")
1806 (setq result-string
1807 (org-babel-trim
1808 (mapconcat (lambda (line)
1809 (if (and (> (length line) 1)
1810 (string-match "^[ \t]*: \\(.+\\)" line))
1811 (match-string 1 line)
1812 line))
1813 (split-string
1814 (buffer-substring
1815 (point) (org-babel-result-end)) "[\r\n]+")
1816 "\n")))
1817 (or (org-babel-number-p result-string) result-string))
1818 ((looking-at org-babel-result-regexp)
1819 (save-excursion (forward-line 1) (org-babel-read-result))))))
1821 (defun org-babel-read-table ()
1822 "Read the table at `point' into emacs-lisp."
1823 (mapcar (lambda (row)
1824 (if (and (symbolp row) (equal row 'hline)) row
1825 (mapcar (lambda (el) (org-babel-read el 'inhibit-lisp-eval)) row)))
1826 (org-table-to-lisp)))
1828 (defun org-babel-read-list ()
1829 "Read the list at `point' into emacs-lisp."
1830 (mapcar (lambda (el) (org-babel-read el 'inhibit-lisp-eval))
1831 (mapcar #'cadr (cdr (org-list-parse-list)))))
1833 (defvar org-link-types-re)
1834 (defun org-babel-read-link ()
1835 "Read the link at `point' into emacs-lisp.
1836 If the path of the link is a file path it is expanded using
1837 `expand-file-name'."
1838 (let* ((case-fold-search t)
1839 (raw (and (looking-at org-bracket-link-regexp)
1840 (org-no-properties (match-string 1))))
1841 (type (and (string-match org-link-types-re raw)
1842 (match-string 1 raw))))
1843 (cond
1844 ((not type) (expand-file-name raw))
1845 ((string= type "file")
1846 (and (string-match "file\\(.*\\):\\(.+\\)" raw)
1847 (expand-file-name (match-string 2 raw))))
1848 (t raw))))
1850 (defun org-babel-format-result (result &optional sep)
1851 "Format RESULT for writing to file."
1852 (let ((echo-res (lambda (r) (if (stringp r) r (format "%S" r)))))
1853 (if (listp result)
1854 ;; table result
1855 (orgtbl-to-generic
1856 result (list :sep (or sep "\t") :fmt echo-res))
1857 ;; scalar result
1858 (funcall echo-res result))))
1860 (defun org-babel-insert-result
1861 (result &optional result-params info hash indent lang)
1862 "Insert RESULT into the current buffer.
1863 By default RESULT is inserted after the end of the
1864 current source block. With optional argument RESULT-PARAMS
1865 controls insertion of results in the org-mode file.
1866 RESULT-PARAMS can take the following values:
1868 replace - (default option) insert results after the source block
1869 replacing any previously inserted results
1871 silent -- no results are inserted into the Org-mode buffer but
1872 the results are echoed to the minibuffer and are
1873 ingested by Emacs (a potentially time consuming
1874 process)
1876 file ---- the results are interpreted as a file path, and are
1877 inserted into the buffer using the Org-mode file syntax
1879 list ---- the results are interpreted as an Org-mode list.
1881 raw ----- results are added directly to the Org-mode file. This
1882 is a good option if you code block will output org-mode
1883 formatted text.
1885 drawer -- results are added directly to the Org-mode file as with
1886 \"raw\", but are wrapped in a RESULTS drawer, allowing
1887 them to later be replaced or removed automatically.
1889 org ----- results are added inside of a \"#+BEGIN_SRC org\" block.
1890 They are not comma-escaped when inserted, but Org syntax
1891 here will be discarded when exporting the file.
1893 html ---- results are added inside of a #+BEGIN_HTML block. This
1894 is a good option if you code block will output html
1895 formatted text.
1897 latex --- results are added inside of a #+BEGIN_LATEX block.
1898 This is a good option if you code block will output
1899 latex formatted text.
1901 code ---- the results are extracted in the syntax of the source
1902 code of the language being evaluated and are added
1903 inside of a #+BEGIN_SRC block with the source-code
1904 language set appropriately. Note this relies on the
1905 optional LANG argument."
1906 (if (stringp result)
1907 (progn
1908 (setq result (org-no-properties result))
1909 (when (member "file" result-params)
1910 (setq result (org-babel-result-to-file
1911 result (when (assoc :file-desc (nth 2 info))
1912 (or (cdr (assoc :file-desc (nth 2 info)))
1913 result))))))
1914 (unless (listp result) (setq result (format "%S" result))))
1915 (if (and result-params (member "silent" result-params))
1916 (progn
1917 (message (replace-regexp-in-string "%" "%%" (format "%S" result)))
1918 result)
1919 (save-excursion
1920 (let* ((inlinep
1921 (save-excursion
1922 (when (or (org-babel-get-inline-src-block-matches)
1923 (org-babel-get-lob-one-liner-matches))
1924 (goto-char (match-end 0))
1925 (insert (if (listp result) "\n" " "))
1926 (point))))
1927 (existing-result (unless inlinep
1928 (org-babel-where-is-src-block-result
1929 t info hash indent)))
1930 (results-switches
1931 (cdr (assoc :results_switches (nth 2 info))))
1932 (visible-beg (copy-marker (point-min)))
1933 (visible-end (copy-marker (point-max)))
1934 ;; When results exist outside of the current visible
1935 ;; region of the buffer, be sure to widen buffer to
1936 ;; update them.
1937 (outside-scope-p (and existing-result
1938 (or (> visible-beg existing-result)
1939 (<= visible-end existing-result))))
1940 beg end)
1941 (when (and (stringp result) ; ensure results end in a newline
1942 (not inlinep)
1943 (> (length result) 0)
1944 (not (or (string-equal (substring result -1) "\n")
1945 (string-equal (substring result -1) "\r"))))
1946 (setq result (concat result "\n")))
1947 (unwind-protect
1948 (progn
1949 (when outside-scope-p (widen))
1950 (if (not existing-result)
1951 (setq beg (or inlinep (point)))
1952 (goto-char existing-result)
1953 (save-excursion
1954 (re-search-forward "#" nil t)
1955 (setq indent (- (current-column) 1)))
1956 (forward-line 1)
1957 (setq beg (point))
1958 (cond
1959 ((member "replace" result-params)
1960 (delete-region (point) (org-babel-result-end)))
1961 ((member "append" result-params)
1962 (goto-char (org-babel-result-end)) (setq beg (point-marker)))
1963 ((member "prepend" result-params)))) ; already there
1964 (setq results-switches
1965 (if results-switches (concat " " results-switches) ""))
1966 (let ((wrap (lambda (start finish &optional no-escape)
1967 (goto-char end) (insert (concat finish "\n"))
1968 (goto-char beg) (insert (concat start "\n"))
1969 (unless no-escape
1970 (org-escape-code-in-region (point) end))
1971 (goto-char end) (goto-char (point-at-eol))
1972 (setq end (point-marker))))
1973 (proper-list-p (lambda (it) (and (listp it) (null (cdr (last it)))))))
1974 ;; insert results based on type
1975 (cond
1976 ;; do nothing for an empty result
1977 ((null result))
1978 ;; insert a list if preferred
1979 ((member "list" result-params)
1980 (insert
1981 (org-babel-trim
1982 (org-list-to-generic
1983 (cons 'unordered
1984 (mapcar
1985 (lambda (el) (list nil (if (stringp el) el (format "%S" el))))
1986 (if (listp result) result (list result))))
1987 '(:splicep nil :istart "- " :iend "\n")))
1988 "\n"))
1989 ;; assume the result is a table if it's not a string
1990 ((funcall proper-list-p result)
1991 (goto-char beg)
1992 (insert (concat (orgtbl-to-orgtbl
1993 (if (or (eq 'hline (car result))
1994 (and (listp (car result))
1995 (listp (cdr (car result)))))
1996 result (list result))
1997 '(:fmt (lambda (cell) (format "%s" cell)))) "\n"))
1998 (goto-char beg) (when (org-at-table-p) (org-table-align)))
1999 ((and (listp result) (not (funcall proper-list-p result)))
2000 (insert (format "%s\n" result)))
2001 ((member "file" result-params)
2002 (when inlinep (goto-char inlinep))
2003 (insert result))
2004 (t (goto-char beg) (insert result)))
2005 (when (funcall proper-list-p result) (goto-char (org-table-end)))
2006 (setq end (point-marker))
2007 ;; possibly wrap result
2008 (cond
2009 ((assoc :wrap (nth 2 info))
2010 (let ((name (or (cdr (assoc :wrap (nth 2 info))) "RESULTS")))
2011 (funcall wrap (concat "#+BEGIN_" name)
2012 (concat "#+END_" (car (org-split-string name))))))
2013 ((member "html" result-params)
2014 (funcall wrap "#+BEGIN_HTML" "#+END_HTML"))
2015 ((member "latex" result-params)
2016 (funcall wrap "#+BEGIN_LaTeX" "#+END_LaTeX"))
2017 ((member "org" result-params)
2018 (funcall wrap "#+BEGIN_SRC org" "#+END_SRC"))
2019 ((member "code" result-params)
2020 (funcall wrap (format "#+BEGIN_SRC %s%s" (or lang "none") results-switches)
2021 "#+END_SRC"))
2022 ((member "raw" result-params)
2023 (goto-char beg) (if (org-at-table-p) (org-cycle)))
2024 ((or (member "drawer" result-params)
2025 ;; Stay backward compatible with <7.9.2
2026 (member "wrap" result-params))
2027 (funcall wrap ":RESULTS:" ":END:" 'no-escape))
2028 ((and (not (funcall proper-list-p result))
2029 (not (member "file" result-params)))
2030 (org-babel-examplize-region beg end results-switches)
2031 (setq end (point)))))
2032 ;; possibly indent the results to match the #+results line
2033 (when (and (not inlinep) (numberp indent) indent (> indent 0)
2034 ;; in this case `table-align' does the work for us
2035 (not (and (listp result)
2036 (member "append" result-params))))
2037 (indent-rigidly beg end indent))
2038 (if (null result)
2039 (if (member "value" result-params)
2040 (message "Code block returned no value.")
2041 (message "Code block produced no output."))
2042 (message "Code block evaluation complete.")))
2043 (when outside-scope-p (narrow-to-region visible-beg visible-end))
2044 (set-marker visible-beg nil)
2045 (set-marker visible-end nil))))))
2047 (defun org-babel-remove-result (&optional info)
2048 "Remove the result of the current source block."
2049 (interactive)
2050 (let ((location (org-babel-where-is-src-block-result nil info)) start)
2051 (when location
2052 (setq start (- location 1))
2053 (save-excursion
2054 (goto-char location) (forward-line 1)
2055 (delete-region start (org-babel-result-end))))))
2057 (defun org-babel-result-end ()
2058 "Return the point at the end of the current set of results."
2059 (save-excursion
2060 (cond
2061 ((org-at-table-p) (progn (goto-char (org-table-end)) (point)))
2062 ((org-at-item-p) (let* ((struct (org-list-struct))
2063 (prvs (org-list-prevs-alist struct)))
2064 (org-list-get-list-end (point-at-bol) struct prvs)))
2065 ((let ((case-fold-search t)) (looking-at "^\\([ \t]*\\):results:"))
2066 (progn (re-search-forward (concat "^" (match-string 1) ":END:"))
2067 (forward-char 1) (point)))
2069 (let ((case-fold-search t))
2070 (if (looking-at (concat "[ \t]*#\\+begin_\\([^ \t\n\r]+\\)"))
2071 (progn (re-search-forward (concat "[ \t]*#\\+end_" (match-string 1))
2072 nil t)
2073 (forward-char 1))
2074 (while (looking-at "[ \t]*\\(: \\|\\[\\[\\)")
2075 (forward-line 1))))
2076 (point)))))
2078 (defun org-babel-result-to-file (result &optional description)
2079 "Convert RESULT into an `org-mode' link with optional DESCRIPTION.
2080 If the `default-directory' is different from the containing
2081 file's directory then expand relative links."
2082 (when (stringp result)
2083 (format "[[file:%s]%s]"
2084 (if (and default-directory
2085 buffer-file-name
2086 (not (string= (expand-file-name default-directory)
2087 (expand-file-name
2088 (file-name-directory buffer-file-name)))))
2089 (expand-file-name result default-directory)
2090 result)
2091 (if description (concat "[" description "]") ""))))
2093 (defvar org-babel-capitalize-examplize-region-markers nil
2094 "Make true to capitalize begin/end example markers inserted by code blocks.")
2096 (defun org-babel-examplize-region (beg end &optional results-switches)
2097 "Comment out region using the inline '==' or ': ' org example quote."
2098 (interactive "*r")
2099 (let ((chars-between (lambda (b e)
2100 (not (string-match "^[\\s]*$" (buffer-substring b e)))))
2101 (maybe-cap (lambda (str) (if org-babel-capitalize-examplize-region-markers
2102 (upcase str) str))))
2103 (if (or (funcall chars-between (save-excursion (goto-char beg) (point-at-bol)) beg)
2104 (funcall chars-between end (save-excursion (goto-char end) (point-at-eol))))
2105 (save-excursion
2106 (goto-char beg)
2107 (insert (format "=%s=" (prog1 (buffer-substring beg end)
2108 (delete-region beg end)))))
2109 (let ((size (count-lines beg end)))
2110 (save-excursion
2111 (cond ((= size 0)) ; do nothing for an empty result
2112 ((< size org-babel-min-lines-for-block-output)
2113 (goto-char beg)
2114 (dotimes (n size)
2115 (beginning-of-line 1) (insert ": ") (forward-line 1)))
2117 (goto-char beg)
2118 (insert (if results-switches
2119 (format "%s%s\n"
2120 (funcall maybe-cap "#+begin_example")
2121 results-switches)
2122 (funcall maybe-cap "#+begin_example\n")))
2123 (if (markerp end) (goto-char end) (forward-char (- end beg)))
2124 (insert (funcall maybe-cap "#+end_example\n")))))))))
2126 (defun org-babel-update-block-body (new-body)
2127 "Update the body of the current code block to NEW-BODY."
2128 (if (not (org-babel-where-is-src-block-head))
2129 (error "Not in a source block")
2130 (save-match-data
2131 (replace-match (concat (org-babel-trim new-body) "\n") nil t nil 5))
2132 (indent-rigidly (match-beginning 5) (match-end 5) 2)))
2134 (defun org-babel-merge-params (&rest plists)
2135 "Combine all parameter association lists in PLISTS.
2136 Later elements of PLISTS override the values of previous elements.
2137 This takes into account some special considerations for certain
2138 parameters when merging lists."
2139 (let* ((results-exclusive-groups
2140 (mapcar (lambda (group) (mapcar #'symbol-name group))
2141 (cdr (assoc 'results org-babel-common-header-args-w-values))))
2142 (exports-exclusive-groups
2143 (mapcar (lambda (group) (mapcar #'symbol-name group))
2144 (cdr (assoc 'exports org-babel-common-header-args-w-values))))
2145 (variable-index 0)
2146 (e-merge (lambda (exclusive-groups &rest result-params)
2147 ;; maintain exclusivity of mutually exclusive parameters
2148 (let (output)
2149 (mapc (lambda (new-params)
2150 (mapc (lambda (new-param)
2151 (mapc (lambda (exclusive-group)
2152 (when (member new-param exclusive-group)
2153 (mapcar (lambda (excluded-param)
2154 (setq output
2155 (delete
2156 excluded-param
2157 output)))
2158 exclusive-group)))
2159 exclusive-groups)
2160 (setq output (org-uniquify
2161 (cons new-param output))))
2162 new-params))
2163 result-params)
2164 output)))
2165 params results exports tangle noweb cache vars shebang comments padline)
2167 (mapc
2168 (lambda (plist)
2169 (mapc
2170 (lambda (pair)
2171 (case (car pair)
2172 (:var
2173 (let ((name (if (listp (cdr pair))
2174 (cadr pair)
2175 (and (string-match "^\\([^= \f\t\n\r\v]+\\)[ \t]*="
2176 (cdr pair))
2177 (intern (match-string 1 (cdr pair)))))))
2178 (if name
2179 (setq vars
2180 (append
2181 (if (member name (mapcar #'car vars))
2182 (delq nil
2183 (mapcar
2184 (lambda (p)
2185 (unless (equal (car p) name) p))
2186 vars))
2187 vars)
2188 (list (cons name pair))))
2189 ;; if no name is given and we already have named variables
2190 ;; then assign to named variables in order
2191 (if (and vars (nth variable-index vars))
2192 (prog1 (setf (cddr (nth variable-index vars))
2193 (concat (symbol-name
2194 (car (nth variable-index vars)))
2195 "=" (cdr pair)))
2196 (incf variable-index))
2197 (error "Variable \"%s\" must be assigned a default value"
2198 (cdr pair))))))
2199 (:results
2200 (setq results (funcall e-merge results-exclusive-groups
2201 results
2202 (split-string
2203 (let ((r (cdr pair)))
2204 (if (stringp r) r (eval r)))))))
2205 (:file
2206 (when (cdr pair)
2207 (setq results (funcall e-merge results-exclusive-groups
2208 results '("file")))
2209 (unless (or (member "both" exports)
2210 (member "none" exports)
2211 (member "code" exports))
2212 (setq exports (funcall e-merge exports-exclusive-groups
2213 exports '("results"))))
2214 (setq params (cons pair (assq-delete-all (car pair) params)))))
2215 (:exports
2216 (setq exports (funcall e-merge exports-exclusive-groups
2217 exports (split-string (cdr pair)))))
2218 (:tangle ;; take the latest -- always overwrite
2219 (setq tangle (or (list (cdr pair)) tangle)))
2220 (:noweb
2221 (setq noweb (funcall e-merge
2222 '(("yes" "no" "tangle" "no-export"
2223 "strip-export" "eval"))
2224 noweb
2225 (split-string (or (cdr pair) "")))))
2226 (:cache
2227 (setq cache (funcall e-merge '(("yes" "no")) cache
2228 (split-string (or (cdr pair) "")))))
2229 (:padline
2230 (setq padline (funcall e-merge '(("yes" "no")) padline
2231 (split-string (or (cdr pair) "")))))
2232 (:shebang ;; take the latest -- always overwrite
2233 (setq shebang (or (list (cdr pair)) shebang)))
2234 (:comments
2235 (setq comments (funcall e-merge '(("yes" "no")) comments
2236 (split-string (or (cdr pair) "")))))
2237 (t ;; replace: this covers e.g. :session
2238 (setq params (cons pair (assq-delete-all (car pair) params))))))
2239 plist))
2240 plists)
2241 (setq vars (reverse vars))
2242 (while vars (setq params (cons (cons :var (cddr (pop vars))) params)))
2243 (mapc
2244 (lambda (hd)
2245 (let ((key (intern (concat ":" (symbol-name hd))))
2246 (val (eval hd)))
2247 (setf params (cons (cons key (mapconcat 'identity val " ")) params))))
2248 '(results exports tangle noweb padline cache shebang comments))
2249 params))
2251 (defvar org-babel-use-quick-and-dirty-noweb-expansion nil
2252 "Set to true to use regular expressions to expand noweb references.
2253 This results in much faster noweb reference expansion but does
2254 not properly allow code blocks to inherit the \":noweb-ref\"
2255 header argument from buffer or subtree wide properties.")
2257 (defun org-babel-noweb-p (params context)
2258 "Check if PARAMS require expansion in CONTEXT.
2259 CONTEXT may be one of :tangle, :export or :eval."
2260 (let* (intersect
2261 (intersect (lambda (as bs)
2262 (when as
2263 (if (member (car as) bs)
2264 (car as)
2265 (funcall intersect (cdr as) bs))))))
2266 (funcall intersect (case context
2267 (:tangle '("yes" "tangle" "no-export" "strip-export"))
2268 (:eval '("yes" "no-export" "strip-export" "eval"))
2269 (:export '("yes")))
2270 (split-string (or (cdr (assoc :noweb params)) "")))))
2272 (defun org-babel-expand-noweb-references (&optional info parent-buffer)
2273 "Expand Noweb references in the body of the current source code block.
2275 For example the following reference would be replaced with the
2276 body of the source-code block named 'example-block'.
2278 <<example-block>>
2280 Note that any text preceding the <<foo>> construct on a line will
2281 be interposed between the lines of the replacement text. So for
2282 example if <<foo>> is placed behind a comment, then the entire
2283 replacement text will also be commented.
2285 This function must be called from inside of the buffer containing
2286 the source-code block which holds BODY.
2288 In addition the following syntax can be used to insert the
2289 results of evaluating the source-code block named 'example-block'.
2291 <<example-block()>>
2293 Any optional arguments can be passed to example-block by placing
2294 the arguments inside the parenthesis following the convention
2295 defined by `org-babel-lob'. For example
2297 <<example-block(a=9)>>
2299 would set the value of argument \"a\" equal to \"9\". Note that
2300 these arguments are not evaluated in the current source-code
2301 block but are passed literally to the \"example-block\"."
2302 (let* ((parent-buffer (or parent-buffer (current-buffer)))
2303 (info (or info (org-babel-get-src-block-info)))
2304 (lang (nth 0 info))
2305 (body (nth 1 info))
2306 (ob-nww-start org-babel-noweb-wrap-start)
2307 (ob-nww-end org-babel-noweb-wrap-end)
2308 (comment (string= "noweb" (cdr (assoc :comments (nth 2 info)))))
2309 (rx-prefix (concat "\\(" org-babel-src-name-regexp "\\|"
2310 ":noweb-ref[ \t]+" "\\)"))
2311 (new-body "")
2312 (nb-add (lambda (text) (setq new-body (concat new-body text))))
2313 (c-wrap (lambda (text)
2314 (with-temp-buffer
2315 (funcall (intern (concat lang "-mode")))
2316 (comment-region (point) (progn (insert text) (point)))
2317 (org-babel-trim (buffer-string)))))
2318 index source-name evaluate prefix blocks-in-buffer)
2319 (with-temp-buffer
2320 (org-set-local 'org-babel-noweb-wrap-start ob-nww-start)
2321 (org-set-local 'org-babel-noweb-wrap-end ob-nww-end)
2322 (insert body) (goto-char (point-min))
2323 (setq index (point))
2324 (while (and (re-search-forward (org-babel-noweb-wrap) nil t))
2325 (save-match-data (setf source-name (match-string 1)))
2326 (save-match-data (setq evaluate (string-match "\(.*\)" source-name)))
2327 (save-match-data
2328 (setq prefix
2329 (buffer-substring (match-beginning 0)
2330 (save-excursion
2331 (beginning-of-line 1) (point)))))
2332 ;; add interval to new-body (removing noweb reference)
2333 (goto-char (match-beginning 0))
2334 (funcall nb-add (buffer-substring index (point)))
2335 (goto-char (match-end 0))
2336 (setq index (point))
2337 (funcall nb-add
2338 (with-current-buffer parent-buffer
2339 (save-restriction
2340 (widen)
2341 (mapconcat ;; interpose PREFIX between every line
2342 #'identity
2343 (split-string
2344 (if evaluate
2345 (let ((raw (org-babel-ref-resolve source-name)))
2346 (if (stringp raw) raw (format "%S" raw)))
2348 ;; retrieve from the library of babel
2349 (nth 2 (assoc (intern source-name)
2350 org-babel-library-of-babel))
2351 ;; return the contents of headlines literally
2352 (save-excursion
2353 (when (org-babel-ref-goto-headline-id source-name)
2354 (org-babel-ref-headline-body)))
2355 ;; find the expansion of reference in this buffer
2356 (let ((rx (concat rx-prefix source-name "[ \t\n]"))
2357 expansion)
2358 (save-excursion
2359 (goto-char (point-min))
2360 (if org-babel-use-quick-and-dirty-noweb-expansion
2361 (while (re-search-forward rx nil t)
2362 (let* ((i (org-babel-get-src-block-info 'light))
2363 (body (org-babel-expand-noweb-references i))
2364 (sep (or (cdr (assoc :noweb-sep (nth 2 i)))
2365 "\n"))
2366 (full (if comment
2367 ((lambda (cs)
2368 (concat (funcall c-wrap (car cs)) "\n"
2369 body "\n"
2370 (funcall c-wrap (cadr cs))))
2371 (org-babel-tangle-comment-links i))
2372 body)))
2373 (setq expansion (cons sep (cons full expansion)))))
2374 (org-babel-map-src-blocks nil
2375 (let ((i (org-babel-get-src-block-info 'light)))
2376 (when (equal (or (cdr (assoc :noweb-ref (nth 2 i)))
2377 (nth 4 i))
2378 source-name)
2379 (let* ((body (org-babel-expand-noweb-references i))
2380 (sep (or (cdr (assoc :noweb-sep (nth 2 i)))
2381 "\n"))
2382 (full (if comment
2383 ((lambda (cs)
2384 (concat (funcall c-wrap (car cs)) "\n"
2385 body "\n"
2386 (funcall c-wrap (cadr cs))))
2387 (org-babel-tangle-comment-links i))
2388 body)))
2389 (setq expansion
2390 (cons sep (cons full expansion)))))))))
2391 (and expansion
2392 (mapconcat #'identity (nreverse (cdr expansion)) "")))
2393 ;; possibly raise an error if named block doesn't exist
2394 (if (member lang org-babel-noweb-error-langs)
2395 (error "%s" (concat
2396 (org-babel-noweb-wrap source-name)
2397 "could not be resolved (see "
2398 "`org-babel-noweb-error-langs')"))
2399 "")))
2400 "[\n\r]") (concat "\n" prefix))))))
2401 (funcall nb-add (buffer-substring index (point-max))))
2402 new-body))
2404 (defun org-babel-script-escape (str &optional force)
2405 "Safely convert tables into elisp lists."
2406 (let (in-single in-double out)
2407 ((lambda (escaped) (condition-case nil (org-babel-read escaped) (error escaped)))
2408 (if (or force
2409 (and (stringp str)
2410 (> (length str) 2)
2411 (or (and (string-equal "[" (substring str 0 1))
2412 (string-equal "]" (substring str -1)))
2413 (and (string-equal "{" (substring str 0 1))
2414 (string-equal "}" (substring str -1)))
2415 (and (string-equal "(" (substring str 0 1))
2416 (string-equal ")" (substring str -1))))))
2417 (org-babel-read
2418 (concat
2420 (progn
2421 (mapc
2422 (lambda (ch)
2423 (setq
2425 (case ch
2426 (91 (if (or in-double in-single) ; [
2427 (cons 91 out)
2428 (cons 40 out)))
2429 (93 (if (or in-double in-single) ; ]
2430 (cons 93 out)
2431 (cons 41 out)))
2432 (123 (if (or in-double in-single) ; {
2433 (cons 123 out)
2434 (cons 40 out)))
2435 (125 (if (or in-double in-single) ; }
2436 (cons 125 out)
2437 (cons 41 out)))
2438 (44 (if (or in-double in-single) ; ,
2439 (cons 44 out) (cons 32 out)))
2440 (39 (if in-double ; '
2441 (cons 39 out)
2442 (setq in-single (not in-single)) (cons 34 out)))
2443 (34 (if in-single ; "
2444 (append (list 34 32) out)
2445 (setq in-double (not in-double)) (cons 34 out)))
2446 (t (cons ch out)))))
2447 (string-to-list str))
2448 (apply #'string (reverse out)))))
2449 str))))
2451 (defun org-babel-read (cell &optional inhibit-lisp-eval)
2452 "Convert the string value of CELL to a number if appropriate.
2453 Otherwise if cell looks like lisp (meaning it starts with a
2454 \"(\", \"'\", \"`\" or a \"[\") then read it as lisp, otherwise
2455 return it unmodified as a string. Optional argument NO-LISP-EVAL
2456 inhibits lisp evaluation for situations in which is it not
2457 appropriate."
2458 (if (and (stringp cell) (not (equal cell "")))
2459 (or (org-babel-number-p cell)
2460 (if (and (not inhibit-lisp-eval)
2461 (member (substring cell 0 1) '("(" "'" "`" "[")))
2462 (eval (read cell))
2463 (if (string= (substring cell 0 1) "\"")
2464 (read cell)
2465 (progn (set-text-properties 0 (length cell) nil cell) cell))))
2466 cell))
2468 (defun org-babel-number-p (string)
2469 "If STRING represents a number return its value."
2470 (if (and (string-match "^-?[0-9]*\\.?[0-9]*$" string)
2471 (= (length (substring string (match-beginning 0)
2472 (match-end 0)))
2473 (length string)))
2474 (string-to-number string)))
2476 (defun org-babel-import-elisp-from-file (file-name &optional separator)
2477 "Read the results located at FILE-NAME into an elisp table.
2478 If the table is trivial, then return it as a scalar."
2479 (let (result)
2480 (save-window-excursion
2481 (with-temp-buffer
2482 (condition-case err
2483 (progn
2484 (org-table-import file-name separator)
2485 (delete-file file-name)
2486 (setq result (mapcar (lambda (row)
2487 (mapcar #'org-babel-string-read row))
2488 (org-table-to-lisp))))
2489 (error (message "Error reading results: %s" err) nil)))
2490 (if (null (cdr result)) ;; if result is trivial vector, then scalarize it
2491 (if (consp (car result))
2492 (if (null (cdr (car result)))
2493 (caar result)
2494 result)
2495 (car result))
2496 result))))
2498 (defun org-babel-string-read (cell)
2499 "Strip nested \"s from around strings."
2500 (org-babel-read (or (and (stringp cell)
2501 (string-match "\\\"\\(.+\\)\\\"" cell)
2502 (match-string 1 cell))
2503 cell) t))
2505 (defun org-babel-reverse-string (string)
2506 "Return the reverse of STRING."
2507 (apply 'string (reverse (string-to-list string))))
2509 (defun org-babel-chomp (string &optional regexp)
2510 "Strip trailing spaces and carriage returns from STRING.
2511 Default regexp used is \"[ \f\t\n\r\v]\" but can be
2512 overwritten by specifying a regexp as a second argument."
2513 (let ((regexp (or regexp "[ \f\t\n\r\v]")))
2514 (while (and (> (length string) 0)
2515 (string-match regexp (substring string -1)))
2516 (setq string (substring string 0 -1)))
2517 string))
2519 (defun org-babel-trim (string &optional regexp)
2520 "Strip leading and trailing spaces and carriage returns from STRING.
2521 Like `org-babel-chomp' only it runs on both the front and back
2522 of the string."
2523 (org-babel-chomp (org-babel-reverse-string
2524 (org-babel-chomp (org-babel-reverse-string string) regexp))
2525 regexp))
2527 (defvar org-babel-org-babel-call-process-region-original nil)
2528 (defun org-babel-tramp-handle-call-process-region
2529 (start end program &optional delete buffer display &rest args)
2530 "Use Tramp to handle `call-process-region'.
2531 Fixes a bug in `tramp-handle-call-process-region'."
2532 (if (and (featurep 'tramp) (file-remote-p default-directory))
2533 (let ((tmpfile (tramp-compat-make-temp-file "")))
2534 (write-region start end tmpfile)
2535 (when delete (delete-region start end))
2536 (unwind-protect
2537 ;; (apply 'call-process program tmpfile buffer display args)
2538 ;; bug in tramp
2539 (apply 'process-file program tmpfile buffer display args)
2540 (delete-file tmpfile)))
2541 ;; org-babel-call-process-region-original is the original emacs
2542 ;; definition. It is in scope from the let binding in
2543 ;; org-babel-execute-src-block
2544 (apply org-babel-call-process-region-original
2545 start end program delete buffer display args)))
2547 (defun org-babel-local-file-name (file)
2548 "Return the local name component of FILE."
2549 (if (file-remote-p file)
2550 (let (localname)
2551 (with-parsed-tramp-file-name file nil
2552 localname))
2553 file))
2555 (defun org-babel-process-file-name (name &optional no-quote-p)
2556 "Prepare NAME to be used in an external process.
2557 If NAME specifies a remote location, the remote portion of the
2558 name is removed, since in that case the process will be executing
2559 remotely. The file name is then processed by `expand-file-name'.
2560 Unless second argument NO-QUOTE-P is non-nil, the file name is
2561 additionally processed by `shell-quote-argument'"
2562 ((lambda (f) (if no-quote-p f (shell-quote-argument f)))
2563 (expand-file-name (org-babel-local-file-name name))))
2565 (defvar org-babel-temporary-directory)
2566 (unless (or noninteractive (boundp 'org-babel-temporary-directory))
2567 (defvar org-babel-temporary-directory
2568 (or (and (boundp 'org-babel-temporary-directory)
2569 (file-exists-p org-babel-temporary-directory)
2570 org-babel-temporary-directory)
2571 (make-temp-file "babel-" t))
2572 "Directory to hold temporary files created to execute code blocks.
2573 Used by `org-babel-temp-file'. This directory will be removed on
2574 Emacs shutdown."))
2576 (defmacro org-babel-result-cond (result-params scalar-form &rest table-forms)
2577 "Call the code to parse raw string results according to RESULT-PARAMS."
2578 (declare (indent 1)
2579 (debug (form form &rest form)))
2580 `(unless (member "none" ,result-params)
2581 (if (or (member "scalar" ,result-params)
2582 (member "verbatim" ,result-params)
2583 (member "html" ,result-params)
2584 (member "code" ,result-params)
2585 (member "pp" ,result-params)
2586 (and (member "output" ,result-params)
2587 (not (member "table" ,result-params))))
2588 ,scalar-form
2589 ,@table-forms)))
2591 (defun org-babel-temp-file (prefix &optional suffix)
2592 "Create a temporary file in the `org-babel-temporary-directory'.
2593 Passes PREFIX and SUFFIX directly to `make-temp-file' with the
2594 value of `temporary-file-directory' temporarily set to the value
2595 of `org-babel-temporary-directory'."
2596 (let ((temporary-file-directory
2597 (if (file-remote-p default-directory)
2598 (concat (file-remote-p default-directory) "/tmp")
2599 (or (and (boundp 'org-babel-temporary-directory)
2600 (file-exists-p org-babel-temporary-directory)
2601 org-babel-temporary-directory)
2602 temporary-file-directory))))
2603 (make-temp-file prefix nil suffix)))
2605 (defun org-babel-remove-temporary-directory ()
2606 "Remove `org-babel-temporary-directory' on Emacs shutdown."
2607 (when (and (boundp 'org-babel-temporary-directory)
2608 (file-exists-p org-babel-temporary-directory))
2609 ;; taken from `delete-directory' in files.el
2610 (condition-case nil
2611 (progn
2612 (mapc (lambda (file)
2613 ;; This test is equivalent to
2614 ;; (and (file-directory-p fn) (not (file-symlink-p fn)))
2615 ;; but more efficient
2616 (if (eq t (car (file-attributes file)))
2617 (delete-directory file)
2618 (delete-file file)))
2619 ;; We do not want to delete "." and "..".
2620 (directory-files org-babel-temporary-directory 'full
2621 "^\\([^.]\\|\\.\\([^.]\\|\\..\\)\\).*"))
2622 (delete-directory org-babel-temporary-directory))
2623 (error
2624 (message "Failed to remove temporary Org-babel directory %s"
2625 (if (boundp 'org-babel-temporary-directory)
2626 org-babel-temporary-directory
2627 "[directory not defined]"))))))
2629 (add-hook 'kill-emacs-hook 'org-babel-remove-temporary-directory)
2631 (provide 'ob-core)
2633 ;; Local variables:
2634 ;; generated-autoload-file: "org-loaddefs.el"
2635 ;; End:
2637 ;;; ob-core.el ends here