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feature/snippets: temporarily monkey-patch regression in yasnippet

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See https://github.com/joaotavora/yasnippet/issues/883
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Henrik Lissner 2018-01-02 20:36:15 -05:00
parent e261df3782
commit edc53706ba
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53
modules/feature/snippets/config.el
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@ -37,7 +37,58 @@
(advice-add #'yas-expand :before #'sp-remove-active-pair-overlay)
;; Exit snippets on ESC from normal mode
(add-hook '+evil-esc-hook #'yas-abort-snippet))
(add-hook '+evil-esc-hook #'yas-abort-snippet)
;; Monkey patch yas-expand-snippet until #883 is resolved. See
;; https://github.com/joaotavora/yasnippet/issues/883
(defun +snippets*yas-expand-snippet (content &optional start end expand-env)
"Expand snippet CONTENT at current point.
Text between START and END will be deleted before inserting
template. EXPAND-ENV is a list of (SYM VALUE) let-style dynamic bindings
considered when expanding the snippet."
(cl-assert (and yas-minor-mode (memq 'yas--post-command-handler post-command-hook))
nil "[yas] `yas-expand-snippet' needs properly setup `yas-minor-mode'")
(run-hooks 'yas-before-expand-snippet-hook)
(let* ((yas-selected-text (or yas-selected-text
(and (region-active-p)
(buffer-substring-no-properties (region-beginning)
(region-end)))))
(start (or start (and (region-active-p) (region-beginning)) (point)))
(end (or end (and (region-active-p) (region-end)) (point)))
(to-delete (and start end (buffer-substring-no-properties start end)))
snippet)
(goto-char start)
(setq yas--indent-original-column (current-column))
(when (and to-delete (> end start))
(delete-region start end))
(cond ((listp content) (yas--eval-for-effect content))
(t
(setq yas--start-column (current-column))
(let ((yas--inhibit-overlay-hooks t))
(setq snippet
(yas--snippet-create content expand-env start (point))))
(let ((existing-field (and yas--active-field-overlay
(overlay-buffer yas--active-field-overlay)
(overlay-get yas--active-field-overlay 'yas--field))))
(when existing-field
(setf (yas--snippet-previous-active-field snippet) existing-field)
(yas--advance-end-maybe existing-field (overlay-end yas--active-field-overlay))))
(unless (yas--snippet-fields snippet)
(yas-exit-snippet snippet))
(let ((first-field (car (yas--snippet-fields snippet))))
(when first-field
(sit-for 0)
(yas--letenv (yas--snippet-expand-env snippet)
(yas--move-to-field snippet first-field))
(when (and (eq (yas--field-number first-field) 0)
(> (length (yas--field-text-for-display
first-field))
0))
(setq deactivate-mark nil))))
(yas--message 4 "snippet %d expanded." (yas--snippet-id snippet))
t))))
(advice-add #'yas-expand-snippet :override #'+snippets*yas-expand-snippet))
(def-package! auto-yasnippet