From 5e5406f6b1b47b84591ee9dea4233164e9a55fb0 Mon Sep 17 00:00:00 2001
From: Yuchen Pei <id@ypei.org>
Date: Fri, 5 Apr 2024 09:08:12 +1100
Subject: [emacs] improve org backtrace region

---
 emacs/.emacs.d/lisp/my/my-mariadb.el | 93 ++++++++++++++++++++++++++++++++++++
 emacs/.emacs.d/lisp/my/my-prog.el    |  2 +-
 2 files changed, 94 insertions(+), 1 deletion(-)

(limited to 'emacs')

diff --git a/emacs/.emacs.d/lisp/my/my-mariadb.el b/emacs/.emacs.d/lisp/my/my-mariadb.el
index 355b89e..984cc29 100644
--- a/emacs/.emacs.d/lisp/my/my-mariadb.el
+++ b/emacs/.emacs.d/lisp/my/my-mariadb.el
@@ -154,5 +154,98 @@
       (kill-line 1)
       )))
 
+(defvar my-mdev-32524-ids nil "List of ids used.")
+
+(defun my-mdev-32524-make-id ()
+  "Return an id on the current position."
+  (let* ((base
+          (replace-regexp-in-string
+           "::" "_"
+           (replace-regexp-in-string
+            "^\\(SPIDER_\\)?" "SPD_MID_"
+            (upcase (which-function)))))
+         (last-id (car my-mdev-32524-ids))
+         (counter (cdr last-id))
+         (result))
+    (if (equal (car last-id) base)
+        (progn
+          (setq result (format "%s_%d" base (1+ counter)))
+          (push (cons base (1+ counter)) my-mdev-32524-ids))
+      (setq result (format "%s_1" base))
+      (push (cons base 1) my-mdev-32524-ids))
+    result))
+
+(defun my-mdev-32524-replace-ids ()
+  "Replace magic id numbers with enum symbols."
+  (setq my-mdev-32524-ids nil)
+  (dolist (file (directory-files "./storage/spider" t ".\\(cc\\|h\\)$"))
+    ;; Don't do this with spd_malloc.{cc,h}
+    (unless (string-match "spd_malloc" file)
+      (with-current-buffer (find-file-noselect file)
+        (goto-char (point-min))
+        (while (re-search-forward
+                (concat
+                 "\\(spider_alloc_calc_mem_init\\|init_calc_mem\\|spider_malloc\\|"
+                 "spider_bulk_alloc_mem\\|spider_bulk_malloc\\)"
+                 "\\(([^0-9)_]*\\)\\([0-9]+\\)")
+                nil t)
+          (let ((beg (match-beginning 3))
+                (end (match-end 3)))
+            (replace-region-contents beg end #'my-mdev-32524-make-id)))
+        (save-buffer)))))
+
+(defun my-mdev-32524-insert-enum-def ()
+  "Insert enum def at point according to `my-mdev-32524-ids'."
+  (with-current-buffer (find-file-noselect "./storage/spider/spd_include.h")
+    (goto-char (point-min))
+    (re-search-forward "#define.* SPIDER_CONN_META_BUF_LEN")
+    (beginning-of-line 2)
+    (let ((pre
+           "
+/*
+  IDs for spider mem alloc functions, including
+  - spider_alloc_calc_mem_init()
+  - spider_string::init_calc_mem()
+  - spider_malloc()
+  - spider_bulk_alloc_mem()
+  - spider_bulk_malloc()
+  In the format of
+  SPD_MID_<CALLSITE_FUNC_NAME_SANS_SPIDER_PREFIX>_<NO>
+*/
+enum spider_malloc_id {
+  ")
+          (middle (string-join
+                   (sort
+                    (mapcar
+                     (lambda (pair)
+                       (format "%s_%d" (car pair) (cdr pair)))
+                     my-mdev-32524-ids)
+                    #'string<)
+                   ",
+  "))
+          (post "
+};
+"))
+      (insert (concat pre middle post))
+      (save-buffer))))
+
+(defun my-mdev-32524 ()
+  "Make changes for MDEV-32524. Assuming we are at the source root."
+  (interactive)
+  (my-mdev-32524-replace-ids)
+  (my-mdev-32524-insert-enum-def))
+
+(defun my-mdev-28861-ps ()
+  "Wrap the current line between --disable_ps_protocol and --enable_ps_protocol"
+  (interactive)
+  (save-excursion
+    (beginning-of-line)
+    (push-mark
+     (save-excursion
+       (beginning-of-line 2)
+       (point))
+     nil t)
+    (tempel-insert 'ps)))
+
 (provide 'my-mariadb)
 ;;; my-mariadb.el ends here
diff --git a/emacs/.emacs.d/lisp/my/my-prog.el b/emacs/.emacs.d/lisp/my/my-prog.el
index bee132f..7e37611 100644
--- a/emacs/.emacs.d/lisp/my/my-prog.el
+++ b/emacs/.emacs.d/lisp/my/my-prog.el
@@ -255,7 +255,7 @@ Conversion is in a similar fashion to `my-org-backtrace-region'."
     (with-current-buffer (gdb-stack-buffer-name)
       (save-excursion
         (goto-char (point-min))
-        (while (re-search-forward "^[0-9]+\\ +in \\(.*\\) of \\(.*\\)$" nil t)
+        (while (re-search-forward "^\\ *[0-9]+\\ +in \\(.*\\) of \\(.*\\)$" nil t)
           (setq func-name (match-string-no-properties 1)
                 file-location (match-string-no-properties 2))
           (push (concat "[[" file-location "][" func-name "]]") results))))
-- 
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