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misc/emacs: do not highlight built-in function if not followed by '('

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Name of built-in function is not reserved word in Go, and you can
use it as variable name. "new" is often used as local variable, for
instance.

This patch is to apply font-lock-builtin-face only when built-in
function name is followed by '(', so that it doesn't highlight
non-function variable that happen to have the same name as built-in
function.

LGTM=dominik.honnef
R=golang-codereviews, dominik.honnef, adonovan
CC=golang-codereviews
https://golang.org/cl/79260043
This commit is contained in:
Rui Ueyama 2014-03-27 17:35:07 -04:00 committed by Alan Donovan
parent 0f82cfd3f0
commit 5f5e280e14
1 changed files with 1 additions and 1 deletions
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2
misc/emacs/go-mode.el
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@ -262,7 +262,7 @@ For mode=set, all covered lines will have this weight."
;; doesn't understand that
(append
`((,(go--regexp-enclose-in-symbol (regexp-opt go-mode-keywords t)) . font-lock-keyword-face)
(,(go--regexp-enclose-in-symbol (regexp-opt go-builtins t)) . font-lock-builtin-face)
(,(concat "\\(" (go--regexp-enclose-in-symbol (regexp-opt go-builtins t)) "\\)[[:space:]]*(") 1 font-lock-builtin-face)
(,(go--regexp-enclose-in-symbol (regexp-opt go-constants t)) . font-lock-constant-face)
(,go-func-regexp 1 font-lock-function-name-face)) ;; function (not method) name