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Fix minor issues with updating go-mode in an empty buffer

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Sometimes during editing, when the buffer is emptied (for example,
  as part of a call to M-x gofmt), an error is raised when
  remove-text-properties is called. Ensure that these calls use point-max
  instead of buffer-size to determine their end point.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/189042
This commit is contained in:
Kevin Ballard 2010-01-13 13:32:19 +11:00 committed by Rob Pike
parent 24dafbaa37
commit ea1a36efcd
1 changed files with 10 additions and 8 deletions
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10
misc/emacs/go-mode.el
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@ -179,14 +179,16 @@ marked from the beginning up to this point.")
"An after-change-function that clears the comment/string and
nesting caches from the modified point on."
(save-restriction
(widen)
(when (< b go-mode-mark-cs-end)
(remove-text-properties b (min go-mode-mark-cs-end (buffer-size)) '(go-mode-cs nil))
(remove-text-properties b (min go-mode-mark-cs-end (point-max)) '(go-mode-cs nil))
(setq go-mode-mark-cs-end b
go-mode-mark-cs-state nil))
(when (< b go-mode-mark-nesting-end)
(remove-text-properties b (min go-mode-mark-nesting-end (buffer-size)) '(go-mode-nesting nil))
(setq go-mode-mark-nesting-end b)))
(remove-text-properties b (min go-mode-mark-nesting-end (point-max)) '(go-mode-nesting nil))
(setq go-mode-mark-nesting-end b))))
(defmacro go-mode-parser (&rest body)
"Evaluate BODY in an environment set up for parsers that use
@ -463,7 +465,7 @@ functions, and some types. It also provides indentation that is
;; Remove stale text properties
(save-restriction
(widen)
(remove-text-properties 1 (+ (buffer-size) 1)
(remove-text-properties 1 (point-max)
'(go-mode-cs nil go-mode-nesting nil)))
;; Reset the syntax mark caches