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ob-emacs-lisp: Set `lexical-binding' in edit buffers 

* lisp/ob-emacs-lisp.el (org-babel-execute:emacs-lisp,
  org-babel-emacs-lisp-lexical): Factor out the conversion of the
  :lexical source block argument to a form that is appropriate for
  `lexical-binding' and the LEXICAL argument to `eval'.

* lisp/ob-emacs-lisp.el (org-babel-edit-prep:emacs-lisp): Set
  `lexical-binding'.

* lisp/ob-emacs-lisp.el (org-babel-default-header-args:emacs-lisp):
  Update docstring.
This commit is contained in:
Sebastian Miele 2019-03-14 10:24:33 +00:00 committed by Nicolas Goaziou
parent e73a7f87f9
commit a2deb8ce76
2 changed files with 25 additions and 5 deletions
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4
etc/ORG-NEWS
View File

@ -96,6 +96,10 @@ You can add dynamic block into ~org-dynamic-block-alist~ with function
~org-dynamic-block-insert-dblock~ command.
*** Babel
**** ob-emacs-lisp sets ~lexical-binding~ in Org edit buffers
When editing an Elisp src block, the editing buffer's
~lexical-binding~ is set according to the src block's =:lexical=
parameter.
**** Add LaTeX output support in PlantUML
*** New minor mode to display headline numbering

26
lisp/ob-emacs-lisp.el
View File

@ -42,8 +42,9 @@
A value of \"yes\" or t causes source blocks to be eval'd using
lexical scoping. It can also be an alist mapping symbols to
their value. It is used as the optional LEXICAL argument to
`eval', which see.")
their value. It is used both as the optional LEXICAL argument to
`eval', and as the value for `lexical-binding' in buffers created
by `org-edit-src-code'.")
(defun org-babel-expand-body:emacs-lisp (body params)
"Expand BODY according to PARAMS, return the expanded body."
@ -71,9 +72,7 @@ their value. It is used as the optional LEXICAL argument to
(member "pp" result-params))
(concat "(pp " body ")")
body))
(if (listp lexical)
lexical
(member lexical '("yes" "t"))))))
(org-babel-emacs-lisp-lexical lexical))))
(org-babel-result-cond result-params
(let ((print-level nil)
(print-length nil))
@ -88,6 +87,23 @@ their value. It is used as the optional LEXICAL argument to
(org-babel-pick-name (cdr (assq :rowname-names params))
(cdr (assq :rownames params))))))))
(defun org-babel-emacs-lisp-lexical (lexical)
"Interpret :lexical source block argument.
Convert LEXICAL into the form appropriate for `lexical-binding'
and the LEXICAL argument to `eval'."
(if (listp lexical)
lexical
(not (null (member lexical '("yes" "t"))))))
(defun org-babel-edit-prep:emacs-lisp (info)
"Set `lexical-binding' in Org edit buffer.
Set `lexical-binding' in Org edit buffer according to the
corresponding :lexical source block argument."
(setq lexical-binding
(org-babel-emacs-lisp-lexical
(org-babel-read
(cdr (assq :lexical (nth 2 info)))))))
(org-babel-make-language-alias "elisp" "emacs-lisp")
(provide 'ob-emacs-lisp)