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fix docstring extraction for "fancy" docs

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The docstrings for yas-expand and yas-expand-from-keymap are generated
on the fly, depending on how they are called ("context"). Add a context
argument to the synthesizing functions and pass it nil when extracting
docstrings for the manual.
This commit is contained in:
Noam Postavsky 2013-11-27 21:34:29 -05:00
parent 8d7c9a63a2
commit eaa3141402
2 changed files with 22 additions and 17 deletions
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5
doc/yas-doc-helper.el
View File

@ -49,7 +49,10 @@
(body (or (cond ((boundp symbol)
(documentation-property symbol 'variable-documentation t))
((fboundp symbol)
(documentation symbol t))
(let ((doc-synth (car-safe (get symbol 'function-documentation))))
(if (functionp doc-synth)
(funcall doc-synth nil)
(documentation symbol t))))
(t
(format "*WARNING*: no symbol named =%s=" symbol)))
(format "*WARNING*: no doc for symbol =%s=" symbol)))

34
yasnippet.el
View File

@ -4298,31 +4298,33 @@ When multiple expressions are found, only the last one counts."
;; depending on the context.
;;
(put 'yas-expand 'function-documentation
'(yas--expand-from-trigger-key-doc))
(defun yas--expand-from-trigger-key-doc ()
'(yas--expand-from-trigger-key-doc t))
(defun yas--expand-from-trigger-key-doc (context)
"A doc synthesizer for `yas--expand-from-trigger-key-doc'."
(let ((fallback-description
(cond ((eq yas-fallback-behavior 'call-other-command)
(let* ((fallback (yas--keybinding-beyond-yasnippet)))
(or (and fallback
(format " call command `%s'." (pp-to-string fallback)))
" do nothing (`yas-expand' doesn't shadow\nanything)")))
((eq yas-fallback-behavior 'return-nil)
", do nothing.")
(t
", defer to `yas-fallback-behaviour' (which see)"))))
(let* ((yas-fallback-behavior (and context yas-fallback-behavior))
(fallback-description
(cond ((eq yas-fallback-behavior 'call-other-command)
(let* ((fallback (yas--keybinding-beyond-yasnippet)))
(or (and fallback
(format "call command `%s'."
(pp-to-string fallback)))
"do nothing (`yas-expand' doesn't shadow\nanything).")))
((eq yas-fallback-behavior 'return-nil)
"do nothing.")
(t "defer to `yas-fallback-behaviour' (which see)."))))
(concat "Expand a snippet before point. If no snippet
expansion is possible,"
expansion is possible, "
fallback-description
"\n\nOptional argument FIELD is for non-interactive use and is an
object satisfying `yas--field-p' to restrict the expansion to.")))
(put 'yas-expand-from-keymap 'function-documentation '(yas--expand-from-keymap-doc))
(defun yas--expand-from-keymap-doc ()
(put 'yas-expand-from-keymap 'function-documentation
'(yas--expand-from-keymap-doc t))
(defun yas--expand-from-keymap-doc (context)
"A doc synthesizer for `yas--expand-from-keymap-doc'."
(add-hook 'temp-buffer-show-hook 'yas--snippet-description-finish-runonce)
(concat "Expand/run snippets from keymaps, possibly falling back to original binding.\n"
(when (eq this-command 'describe-key)
(when (and context (eq this-command 'describe-key))
(let* ((vec (this-single-command-keys))
(templates (mapcan #'(lambda (table)
(yas--fetch table vec))