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misc/emacs: add support for ff-find-other-file

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c-mode classically uses ff-find-other-file to toggle between headers
and implementation. For Go it seemingly makes sense to jump between
implementation and test.

While there's no enforced mapping of file names for tests, the mapping
in this CL seems to be very common at least throughout the standard
library, and ff-find-other-file fails gracefully when the mapping
doesn't apply.

LGTM=adonovan
R=adonovan
CC=golang-codereviews
https://golang.org/cl/65750044
This commit is contained in:
Dominik Honnef 2014-02-18 22:23:55 -05:00 committed by Alan Donovan
parent 0d9b9aafd5
commit cce25c88ce
1 changed files with 10 additions and 0 deletions
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10
misc/emacs/go-mode.el
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@ -7,6 +7,7 @@
(require 'cl) (require 'cl)
(require 'etags) (require 'etags)
(require 'ffap) (require 'ffap)
(require 'find-file)
(require 'ring) (require 'ring)
(require 'url) (require 'url)
@ -168,6 +169,13 @@ from https://github.com/bradfitz/goimports."
:type 'string :type 'string
:group 'go) :group 'go)
(defcustom go-other-file-alist
'(("_test\\.go\\'" (".go"))
("\\.go\\'" ("_test.go")))
"See the documentation of `ff-other-file-alist' for details."
:type '(repeat (list regexp (choice (repeat string) function)))
:group 'go)
(defface go-coverage-untracked (defface go-coverage-untracked
'((t (:foreground "#505050"))) '((t (:foreground "#505050")))
"Coverage color of untracked code." "Coverage color of untracked code."
@ -561,6 +569,8 @@ recommended that you look at goflymake
(set (make-local-variable 'go-dangling-cache) (make-hash-table :test 'eql)) (set (make-local-variable 'go-dangling-cache) (make-hash-table :test 'eql))
(add-hook 'before-change-functions (lambda (x y) (setq go-dangling-cache (make-hash-table :test 'eql))) t t) (add-hook 'before-change-functions (lambda (x y) (setq go-dangling-cache (make-hash-table :test 'eql))) t t)
;; ff-find-other-file
(setq ff-other-file-alist 'go-other-file-alist)
(setq imenu-generic-expression (setq imenu-generic-expression
'(("type" "^type *\\([^ \t\n\r\f]*\\)" 1) '(("type" "^type *\\([^ \t\n\r\f]*\\)" 1)