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master 64981660c91: Restore 'imenu-create-index-function' on exiting sem


From: Eli Zaretskii
Subject: master 64981660c91: Restore 'imenu-create-index-function' on exiting semantic
Date: Sat, 14 Dec 2024 05:40:11 -0500 (EST)

branch: master
commit 64981660c912e5ab79c1143d9879d9ee7a0b93bf
Author: Lin Sun <sunlin7@hotmail.com>
Commit: Eli Zaretskii <eliz@gnu.org>

    Restore 'imenu-create-index-function' on exiting semantic
    
    * lisp/cedet/semantic.el: Restore the
    'imenu-create-index-function' on exiting.
    * lisp/cedet/semantic/bovine/make.el:
    * lisp/cedet/semantic/bovine/scm.el:
    * lisp/cedet/semantic/html.el:
    * lisp/cedet/semantic/texi.el:
    * lisp/cedet/semantic/wisent/java-tags.el:
    * lisp/cedet/semantic/wisent/javascript.el:
    * lisp/cedet/semantic/wisent/python.el:
    * lisp/cedet/srecode/template.el:
    Store the original 'imenu-create-index-function' before
    changing it.  (Bug#74803)
---
 lisp/cedet/semantic.el                   | 11 ++++++++++-
 lisp/cedet/semantic/bovine/make.el       |  1 +
 lisp/cedet/semantic/bovine/scm.el        |  1 +
 lisp/cedet/semantic/html.el              |  1 +
 lisp/cedet/semantic/texi.el              |  1 +
 lisp/cedet/semantic/wisent/java-tags.el  |  1 +
 lisp/cedet/semantic/wisent/javascript.el |  1 +
 lisp/cedet/semantic/wisent/python.el     |  1 +
 lisp/cedet/srecode/template.el           |  1 +
 9 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/lisp/cedet/semantic.el b/lisp/cedet/semantic.el
index 3c3ae2ac160..1b7931f0c35 100644
--- a/lisp/cedet/semantic.el
+++ b/lisp/cedet/semantic.el
@@ -997,6 +997,9 @@ The following modes are more targeted at people who want to 
see
   :type `(set ,@(mapcar (lambda (c) (list 'const c))
                        semantic-submode-list)))
 
+(defvar-local semantic--create-index-function-origin nil
+  "The original `imenu-create-index-function' before semantic.")
+
 ;;;###autoload
 (define-minor-mode semantic-mode
   "Toggle parser features (Semantic mode).
@@ -1070,7 +1073,13 @@ Semantic mode.
     (setq semantic--buffer-cache nil)
     ;; Make sure we run the setup function if Semantic gets
     ;; re-activated.
-    (setq semantic-new-buffer-fcn-was-run nil)))
+    (setq semantic-new-buffer-fcn-was-run nil)
+    ;; restore the original `imenu-create-index-function'
+    (unless (eq semantic--create-index-function-origin
+                imenu-create-index-function)
+      (setq imenu-create-index-function
+            (or semantic--create-index-function-origin
+                (default-value 'imenu-create-index-function))))))
 
 ;;; Autoload some functions that are not in semantic/loaddefs
 
diff --git a/lisp/cedet/semantic/bovine/make.el 
b/lisp/cedet/semantic/bovine/make.el
index a95f7da27cf..b8f31d21028 100644
--- a/lisp/cedet/semantic/bovine/make.el
+++ b/lisp/cedet/semantic/bovine/make.el
@@ -226,6 +226,7 @@ Uses default implementation, and also gets a list of 
filenames."
                                             (?+ ".")
                                             (?\\ ".")
                                             )
+        semantic--create-index-function-origin imenu-create-index-function
         imenu-create-index-function #'semantic-create-imenu-index
         )
   (setq semantic-lex-analyzer #'semantic-make-lexer)
diff --git a/lisp/cedet/semantic/bovine/scm.el 
b/lisp/cedet/semantic/bovine/scm.el
index 6d19acf0282..e31019e8bf2 100644
--- a/lisp/cedet/semantic/bovine/scm.el
+++ b/lisp/cedet/semantic/bovine/scm.el
@@ -102,6 +102,7 @@ syntax as specified by the syntax table."
                                             (function . "Functions")
                                             (include  . "Loads")
                                             (package  . "DefineModule"))
+        semantic--create-index-function-origin imenu-create-index-function
         imenu-create-index-function #'semantic-create-imenu-index
         )
   (setq semantic-lex-analyzer #'semantic-scheme-lexer)
diff --git a/lisp/cedet/semantic/html.el b/lisp/cedet/semantic/html.el
index 120b2108709..d00d5633e2c 100644
--- a/lisp/cedet/semantic/html.el
+++ b/lisp/cedet/semantic/html.el
@@ -238,6 +238,7 @@ tag with greater section value than LEVEL is found."
   ;; This will use our parser.
   (setq semantic-parser-name "HTML"
         semantic--parse-table t
+        semantic--create-index-function-origin imenu-create-index-function
         imenu-create-index-function #'semantic-create-imenu-index
        semantic-command-separation-character ">"
        semantic-type-relation-separator-character '(":")
diff --git a/lisp/cedet/semantic/texi.el b/lisp/cedet/semantic/texi.el
index 6374d995d0a..2b341249a54 100644
--- a/lisp/cedet/semantic/texi.el
+++ b/lisp/cedet/semantic/texi.el
@@ -445,6 +445,7 @@ that start with that symbol."
   (setq semantic-parser-name "TEXI"
         ;; Setup a dummy parser table to enable parsing!
         semantic--parse-table t
+        semantic--create-index-function-origin imenu-create-index-function
         imenu-create-index-function #'semantic-create-imenu-index
        semantic-command-separation-character "@"
        semantic-type-relation-separator-character '(":")
diff --git a/lisp/cedet/semantic/wisent/java-tags.el 
b/lisp/cedet/semantic/wisent/java-tags.el
index ed62d2c3a9c..ebb899221cc 100644
--- a/lisp/cedet/semantic/wisent/java-tags.el
+++ b/lisp/cedet/semantic/wisent/java-tags.el
@@ -113,6 +113,7 @@ Use the alternate LALR(1) parser."
    semantic-tag-expand-function #'semantic-java-expand-tag
    ;; Environment
    semantic-imenu-summary-function #'semantic-format-tag-prototype
+   semantic--create-index-function-origin imenu-create-index-function
    imenu-create-index-function #'semantic-create-imenu-index
    semantic-type-relation-separator-character '(".")
    semantic-command-separation-character ";"
diff --git a/lisp/cedet/semantic/wisent/javascript.el 
b/lisp/cedet/semantic/wisent/javascript.el
index 7a1a8637aae..9420323c7e1 100644
--- a/lisp/cedet/semantic/wisent/javascript.el
+++ b/lisp/cedet/semantic/wisent/javascript.el
@@ -135,6 +135,7 @@ This is currently needed for the mozrepl omniscient 
database."
    semantic-tag-expand-function #'wisent-javascript-jv-expand-tag
    ;; Environment
    semantic-imenu-summary-function #'semantic-format-tag-name
+   semantic--create-index-function-origin imenu-create-index-function
    imenu-create-index-function #'semantic-create-imenu-index
    semantic-command-separation-character ";"
    ))
diff --git a/lisp/cedet/semantic/wisent/python.el 
b/lisp/cedet/semantic/wisent/python.el
index 73f08beaa28..a4205bede50 100644
--- a/lisp/cedet/semantic/wisent/python.el
+++ b/lisp/cedet/semantic/wisent/python.el
@@ -514,6 +514,7 @@ Shortens `code' tags, but passes through for others."
    ;; Semantic to take over from the one provided by python.
    ;; The python one, if it uses the senator advice, will hang
    ;; Emacs unrecoverably.
+   semantic--create-index-function-origin imenu-create-index-function
    imenu-create-index-function #'semantic-create-imenu-index
 
    ;; I need a python guru to update this list:
diff --git a/lisp/cedet/srecode/template.el b/lisp/cedet/srecode/template.el
index 2417f1f7ef6..8b7fbf73979 100644
--- a/lisp/cedet/srecode/template.el
+++ b/lisp/cedet/srecode/template.el
@@ -53,6 +53,7 @@
    ;; Parsing
    ;; Environment
    semantic-imenu-summary-function #'semantic-format-tag-name
+   semantic--create-index-function-origin imenu-create-index-function
    imenu-create-index-function #'semantic-create-imenu-index
    semantic-command-separation-character "\n"
    semantic-lex-comment-regex ";;"



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