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master 031e1c2: Regexp-quote literal symbols when grepping
From: |
Mattias Engdegård |
Subject: |
master 031e1c2: Regexp-quote literal symbols when grepping |
Date: |
Sat, 18 Sep 2021 07:46:26 -0400 (EDT) |
branch: master
commit 031e1c28f9ee3971b1376f30f1c8a010432e529b
Author: Mattias Engdegård <mattiase@acm.org>
Commit: Mattias Engdegård <mattiase@acm.org>
Regexp-quote literal symbols when grepping
`xref-find-references` was unable to find symbols like
`backquote-list*-macro`.
* lisp/cedet/semantic/symref/grep.el
(semantic-symref-grep--quote-extended): New function.
(semantic-symref-perform-search): Call it.
---
lisp/cedet/semantic/symref/grep.el | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/lisp/cedet/semantic/symref/grep.el
b/lisp/cedet/semantic/symref/grep.el
index 53745b4..1e282c3 100644
--- a/lisp/cedet/semantic/symref/grep.el
+++ b/lisp/cedet/semantic/symref/grep.el
@@ -133,6 +133,12 @@ This shell should support pipe redirect syntax."
:group 'semantic
:type 'string)
+(defun semantic-symref-grep--quote-extended (string)
+ "Quote STRING as an extended-syntax regexp."
+ (replace-regexp-in-string (rx (in ".^$*+?|{}[]()|\\"))
+ (lambda (s) (concat "\\" s))
+ string nil t))
+
(cl-defmethod semantic-symref-perform-search ((tool semantic-symref-tool-grep))
"Perform a search with Grep."
;; Grep doesn't support some types of searches.
@@ -151,7 +157,10 @@ This shell should support pipe redirect syntax."
((eq (oref tool searchtype) 'regexp)
"-nE ")
(t "-nw ")))
- (greppat (oref tool searchfor))
+ (searchfor (oref tool searchfor))
+ (greppat (if (eq (oref tool searchtype) 'regexp)
+ searchfor
+ (semantic-symref-grep--quote-extended searchfor)))
;; Misc
(b (get-buffer-create "*Semantic SymRef*"))
(ans nil)
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