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Don't indent first line of mirrors

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* yasnippet.el (yas--mirror-update-display): Don't indent the first line
of mirror output (meaning no indentation happens if there is a single
line).
* yasnippet-tests.el (single-line-multi-mirror-indentation): New test.
(snippet-with-multiline-mirrors-issue-665): Renamed from
navigate-a-snippet-with-multiline-mirrors-issue-665, test for precise
indentation in addition to navigation (this was already implemented,
contrary to its obsolete docstring).

Fixes #712
This commit is contained in:
Noam Postavsky 2016-06-23 20:09:49 -04:00
parent ee6e7a9602
commit 351c1e3dcb
2 changed files with 23 additions and 11 deletions
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23
yasnippet-tests.el
View File

@ -227,13 +227,22 @@ end" (buffer-string)))
No indent$>
end" (buffer-string)))))
(ert-deftest single-line-multi-mirror-indentation ()
"Make sure not to indent with multiple mirrors per line."
;; See also Github issue #712.
(with-temp-buffer
(text-mode)
(yas-minor-mode 1)
(yas-expand-snippet "${1:XXXXX} --------
$1 ---------------- $1 ----
$1 ------------------------")
(should (string= (yas--buffer-contents) "XXXXX --------
XXXXX ---------------- XXXXX ----
XXXXX ------------------------"))))
(ert-deftest navigate-a-snippet-with-multiline-mirrors-issue-665 ()
"In issue 665, a multi-line mirror is attempted.
Indentation doesn't (yet) happen on these mirrors, but let this
test guard against any misnavigations that might be introduced by
an incorrect implementation of mirror auto-indentation"
(ert-deftest snippet-with-multiline-mirrors-issue-665 ()
"In issue 665, a multi-line mirror is attempted."
(with-temp-buffer
(ruby-mode)
(yas-minor-mode 1)
@ -246,8 +255,8 @@ mapconcat #'(lambda (arg)
(ert-simulate-command '(yas-next-field))
(let ((expected (mapconcat #'identity
'("@bla = bla"
"[[:blank:]]*@ble = ble"
"[[:blank:]]*@bli = bli")
" @ble = ble"
" @bli = bli")
"\n")))
(should (looking-at expected))
(yas-mock-insert "blo")

11
yasnippet.el
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@ -4294,10 +4294,13 @@ When multiple expressions are found, only the last one counts."
(yas--advance-start-maybe (yas--mirror-next mirror) (point))
;; super-special advance
(yas--advance-end-of-parents-maybe mirror-parent-field (point)))
(let ((yas--inhibit-overlay-hooks t))
(yas--indent-region (yas--mirror-start mirror)
(yas--mirror-end mirror)
snippet)))))
(let ((yas--inhibit-overlay-hooks t)
(beg (save-excursion (goto-char (yas--mirror-start mirror))
(forward-line 1)
(point)))
(end (yas--mirror-end mirror)))
(when (< beg end)
(yas--indent-region beg end snippet))))))
(defun yas--field-update-display (field)
"Much like `yas--mirror-update-display', but for fields."