Prefer defvar-keymap in some progmodes

* lisp/progmodes/asm-mode.el (asm-mode-map):
* lisp/progmodes/bug-reference.el (bug-reference-map):
* lisp/progmodes/erts-mode.el (erts-mode-map):
* lisp/progmodes/flymake.el (flymake-mode-map)
(flymake-diagnostics-buffer-mode-map):
* lisp/progmodes/icon.el (icon-mode-map):
* lisp/progmodes/js.el (js-mode-map):
* lisp/progmodes/m4-mode.el (m4-mode-map):
* lisp/progmodes/mixal-mode.el (mixal-mode-map):
* lisp/progmodes/scheme.el (scheme-mode-map): Prefer defvar-keymap.

9 files changed, 49 insertions, 69 deletions

diff --git a/lisp/progmodes/asm-mode.el b/lisp/progmodes/asm-mode.el
index 370fb1b80b4..05c3fc72966 100644
--- a/lisp/progmodes/asm-mode.el
+++ b/lisp/progmodes/asm-mode.el
@@ -68,13 +68,11 @@
   "Abbrev table used while in Asm mode.")
 (define-abbrev-table 'asm-mode-abbrev-table ())
 
-(defvar asm-mode-map
-  (let ((map (make-sparse-keymap)))
-    ;; Note that the comment character isn't set up until asm-mode is called.
-    (define-key map ":"		'asm-colon)
-    (define-key map "\C-c;"	'comment-region)
-    map)
-  "Keymap for Asm mode.")
+(defvar-keymap asm-mode-map
+  :doc "Keymap for Asm mode."
+  ;; Note that the comment character isn't set up until asm-mode is called.
+  ":"     #'asm-colon
+  "C-c ;" #'comment-region)
 
 (easy-menu-define asm-mode-menu asm-mode-map
   "Menu for Asm mode."
diff --git a/lisp/progmodes/bug-reference.el b/lisp/progmodes/bug-reference.el
index 06242a4cba8..d3626dbaf01 100644
--- a/lisp/progmodes/bug-reference.el
+++ b/lisp/progmodes/bug-reference.el
@@ -40,12 +40,10 @@
   ;; Somewhat arbitrary, by analogy with eg goto-address.
   :group 'comm)
 
-(defvar bug-reference-map
-  (let ((map (make-sparse-keymap)))
-    (define-key map [mouse-2] 'bug-reference-push-button)
-    (define-key map (kbd "C-c RET") 'bug-reference-push-button)
-    map)
-  "Keymap used by bug reference buttons.")
+(defvar-keymap bug-reference-map
+  :doc "Keymap used by bug reference buttons."
+  "<mouse-2>" #'bug-reference-push-button
+  "C-c RET"   #'bug-reference-push-button)
 
 ;; E.g., "https://gcc.gnu.org/PR%s"
 (defvar bug-reference-url-format nil
diff --git a/lisp/progmodes/erts-mode.el b/lisp/progmodes/erts-mode.el
index 1b88540ff38..13da1d478d6 100644
--- a/lisp/progmodes/erts-mode.el
+++ b/lisp/progmodes/erts-mode.el
@@ -64,12 +64,10 @@
   "Face used for displaying specification test start markers."
   :group 'erts-mode)
 
-(defvar erts-mode-map
-  (let ((map (make-keymap)))
-    (set-keymap-parent map prog-mode-map)
-    (define-key map "\C-c\C-r" 'erts-tag-region)
-    (define-key map "\C-c\C-c" 'erts-run-test)
-    map))
+(defvar-keymap erts-mode-map
+  :parent prog-mode-map
+  "C-c C-r" #'erts-tag-region
+  "C-c C-c" #'erts-run-test)
 
 (defvar erts-mode-font-lock-keywords
   ;; Specifications.
diff --git a/lisp/progmodes/flymake.el b/lisp/progmodes/flymake.el
index 0b7958e52fb..9e3255874da 100644
--- a/lisp/progmodes/flymake.el
+++ b/lisp/progmodes/flymake.el
@@ -1080,9 +1080,8 @@ Interactively, with a prefix arg, FORCE is t."
                     (flymake--run-backend backend backend-args)))
                   nil))))))))
 
-(defvar flymake-mode-map
-  (let ((map (make-sparse-keymap))) map)
-  "Keymap for `flymake-mode'.")
+(defvar-keymap flymake-mode-map
+  :doc "Keymap for `flymake-mode'.")
 
 ;;;###autoload
 (define-minor-mode flymake-mode
@@ -1493,11 +1492,9 @@ TYPE is usually keyword `:error', `:warning' or `:note'."
 
 (defvar-local flymake--diagnostics-buffer-source nil)
 
-(defvar flymake-diagnostics-buffer-mode-map
-  (let ((map (make-sparse-keymap)))
-    (define-key map (kbd "RET") 'flymake-goto-diagnostic)
-    (define-key map (kbd "SPC") 'flymake-show-diagnostic)
-    map))
+(defvar-keymap flymake-diagnostics-buffer-mode-map
+  "RET" #'flymake-goto-diagnostic
+  "SPC" #'flymake-show-diagnostic)
 
 (defun flymake-show-diagnostic (pos &optional other-window)
   "Show location of diagnostic at POS."
diff --git a/lisp/progmodes/icon.el b/lisp/progmodes/icon.el
index e1ee9efc54b..ec281f3a496 100644
--- a/lisp/progmodes/icon.el
+++ b/lisp/progmodes/icon.el
@@ -31,17 +31,16 @@
   "Abbrev table in use in Icon-mode buffers.")
 (define-abbrev-table 'icon-mode-abbrev-table ())
 
-(defvar icon-mode-map
-  (let ((map (make-sparse-keymap "Icon")))
-    (define-key map "{" 'electric-icon-brace)
-    (define-key map "}" 'electric-icon-brace)
-    (define-key map "\e\C-h" 'mark-icon-function)
-    (define-key map "\e\C-a" 'beginning-of-icon-defun)
-    (define-key map "\e\C-e" 'end-of-icon-defun)
-    (define-key map "\e\C-q" 'indent-icon-exp)
-    (define-key map "\177" 'backward-delete-char-untabify)
-    map)
-  "Keymap used in Icon mode.")
+(defvar-keymap icon-mode-map
+  :doc "Keymap used in Icon mode."
+  :name "Icon"
+  "{"     #'electric-icon-brace
+  "}"     #'electric-icon-brace
+  "C-M-h" #'mark-icon-function
+  "C-M-a" #'beginning-of-icon-defun
+  "C-M-e" #'end-of-icon-defun
+  "C-M-q" #'indent-icon-exp
+  "DEL"   #'backward-delete-char-untabify)
 
 (easy-menu-define icon-mode-menu icon-mode-map
   "Menu for Icon mode."
diff --git a/lisp/progmodes/js.el b/lisp/progmodes/js.el
index 9c1358e466d..eb2a1e4fccc 100644
--- a/lisp/progmodes/js.el
+++ b/lisp/progmodes/js.el
@@ -660,13 +660,11 @@ This variable is like `sgml-attribute-offset'."
   :type 'integer
   :safe 'integerp)
 
-;;; KeyMap
+;;; Keymap
 
-(defvar js-mode-map
-  (let ((keymap (make-sparse-keymap)))
-    (define-key keymap [(meta ?.)] #'js-find-symbol)
-    keymap)
-  "Keymap for `js-mode'.")
+(defvar-keymap js-mode-map
+  :doc "Keymap for `js-mode'."
+  "M-." #'js-find-symbol)
 
 ;;; Syntax table and parsing
 
diff --git a/lisp/progmodes/m4-mode.el b/lisp/progmodes/m4-mode.el
index b9fcd033bbb..a18c8bcce44 100644
--- a/lisp/progmodes/m4-mode.el
+++ b/lisp/progmodes/m4-mode.el
@@ -121,13 +121,11 @@ If m4 is not in your PATH, set this to an absolute file name."
    ("#" (0 (when (m4--quoted-p (match-beginning 0))
              (string-to-syntax "."))))))
 
-(defvar m4-mode-map
-  (let ((map (make-sparse-keymap)))
-    (define-key map "\C-c\C-b" 'm4-m4-buffer)
-    (define-key map "\C-c\C-r" 'm4-m4-region)
-    (define-key map "\C-c\C-c" 'comment-region)
-    map)
-  "Keymap for M4 Mode.")
+(defvar-keymap m4-mode-map
+  :doc "Keymap for M4 Mode."
+  "C-c C-b" #'m4-m4-buffer
+  "C-c C-r" #'m4-m4-region
+  "C-c C-c" #'comment-region)
 
 (easy-menu-define m4-mode-menu m4-mode-map
   "Menu for M4 Mode."
diff --git a/lisp/progmodes/mixal-mode.el b/lisp/progmodes/mixal-mode.el
index 97a218fcfa3..9d1ceaa55a8 100644
--- a/lisp/progmodes/mixal-mode.el
+++ b/lisp/progmodes/mixal-mode.el
@@ -78,16 +78,13 @@
 ;;; Code:
 (defvar compile-command)
 
-;;; Key map
-(defvar mixal-mode-map
-  (let ((map (make-sparse-keymap)))
-    (define-key map "\C-c\C-c" 'compile)
-    (define-key map "\C-c\C-r" 'mixal-run)
-    (define-key map "\C-c\C-d" 'mixal-debug)
-    (define-key map "\C-h\C-o" 'mixal-describe-operation-code)
-    map)
-  "Keymap for `mixal-mode'.")
-;; (makunbound 'mixal-mode-map)
+;;; Keymap
+(defvar-keymap mixal-mode-map
+  :doc "Keymap for `mixal-mode'."
+  "C-c C-c" #'compile
+  "C-c C-r" #'mixal-run
+  "C-c C-d" #'mixal-debug
+  "C-h C-o" #'mixal-describe-operation-code)
 
 ;;; Syntax table
 (defvar mixal-mode-syntax-table
diff --git a/lisp/progmodes/scheme.el b/lisp/progmodes/scheme.el
index cd397733d2d..cf1d3949835 100644
--- a/lisp/progmodes/scheme.el
+++ b/lisp/progmodes/scheme.el
@@ -1,7 +1,6 @@
 ;;; scheme.el --- Scheme (and DSSSL) editing mode    -*- lexical-binding: t; -*-
 
-;; Copyright (C) 1986-1988, 1997-1998, 2001-2022 Free Software
-;; Foundation, Inc.
+;; Copyright (C) 1986-2022 Free Software Foundation, Inc.
 
 ;; Author: Bill Rozas <jinx@martigny.ai.mit.edu>
 ;; Adapted-by: Dave Love <d.love@dl.ac.uk>
@@ -201,12 +200,10 @@
 
 (defvar scheme-mode-line-process "")
 
-(defvar scheme-mode-map
-  (let ((map (make-sparse-keymap)))
-    (set-keymap-parent map lisp-mode-shared-map)
-    map)
-  "Keymap for Scheme mode.
-All commands in `lisp-mode-shared-map' are inherited by this map.")
+(defvar-keymap scheme-mode-map
+  :doc "Keymap for Scheme mode.
+All commands in `lisp-mode-shared-map' are inherited by this map."
+  :parent lisp-mode-shared-map)
 
 (easy-menu-define scheme-mode-menu scheme-mode-map
   "Menu for Scheme mode."