948f9461a7
This was done to purge superfluous files from Doom's project structure and simplify its entry points. And with early-init.el now acting as Doom's universal bootstrapper (seec05e615), we don't have enough bootstrap logic to warrant being its own file. Also removes the redundant version check, given doom.el is assured to be loaded before doom-cli, and performs its own check. Ref:c05e61536e
411 lines
16 KiB
EmacsLisp
411 lines
16 KiB
EmacsLisp
;;; lisp/lib/debug.el -*- lexical-binding: t; -*-
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;;
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;;; Doom's debug mode
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;;;###autoload
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(defvar doom-debug-variables
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'(async-debug
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debug-on-error
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(debugger . doom-debugger)
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(doom-print-level . debug)
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garbage-collection-messages
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gcmh-verbose
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init-file-debug
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jka-compr-verbose
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(message-log-max . 16384)
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(warning-suppress-types . nil)
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url-debug
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use-package-verbose)
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"A list of variable to toggle on `doom-debug-mode'.
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Each entry can be a variable symbol or a cons cell whose CAR is the variable
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symbol and CDR is the value to set it to when `doom-debug-mode' is activated.")
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(defvar doom-debug--undefined-vars nil)
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(defun doom-debug--watch-vars-h (&rest _)
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(when-let (bound-vars (cl-delete-if-not #'boundp doom-debug--undefined-vars))
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(doom-log "New variables available: %s" bound-vars)
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(let ((message-log-max nil))
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(doom-debug-mode -1)
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(doom-debug-mode +1))))
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;;;###autoload
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(define-minor-mode doom-debug-mode
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"Toggle `debug-on-error' and `init-file-debug' for verbose logging."
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:init-value init-file-debug
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:global t
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(let ((enabled doom-debug-mode))
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(setq doom-debug--undefined-vars nil)
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(dolist (var doom-debug-variables)
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(cond ((listp var)
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(pcase-let ((`(,var . ,val) var))
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(if (boundp var)
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(set-default
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var (if (not enabled)
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(prog1 (get var 'initial-value)
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(put var 'initial-value nil))
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(put var 'initial-value (symbol-value var))
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val))
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(add-to-list 'doom-debug--undefined-vars var))))
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((if (boundp var)
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(set-default var enabled)
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(add-to-list 'doom-debug--undefined-vars var)))))
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(when (called-interactively-p 'any)
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(when (fboundp 'explain-pause-mode)
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(explain-pause-mode (if enabled +1 -1))))
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;; Watch for changes in `doom-debug-variables', or when packages load (and
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;; potentially define one of `doom-debug-variables'), in case some of them
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;; aren't defined when `doom-debug-mode' is first loaded.
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(cond (enabled
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(message "Debug mode enabled! (Run 'M-x view-echo-area-messages' to open the log buffer)")
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;; Produce more helpful (and visible) error messages from errors
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;; emitted from hooks (particularly mode hooks), that usually go
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;; unnoticed otherwise.
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(advice-add #'run-hooks :override #'doom-run-hooks)
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;; Add time stamps to lines in *Messages*
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(advice-add #'message :before #'doom--timestamped-message-a)
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(add-variable-watcher 'doom-debug-variables #'doom-debug--watch-vars-h)
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(add-hook 'after-load-functions #'doom-debug--watch-vars-h))
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(t
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(advice-remove #'run-hooks #'doom-run-hooks)
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(advice-remove #'message #'doom--timestamped-message-a)
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(remove-variable-watcher 'doom-debug-variables #'doom-debug--watch-vars-h)
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(remove-hook 'after-load-functions #'doom-debug--watch-vars-h)
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(message "Debug mode disabled!")))))
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;;
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;;; Custom debuggers
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(autoload 'backtrace-get-frames "backtrace")
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(defun doom-backtrace ()
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"Return a stack trace as a list of `backtrace-frame' objects."
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;; (let* ((n 0)
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;; (frame (backtrace-frame n))
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;; (frame-list nil)
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;; (in-program-stack nil))
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;; (while frame
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;; (when in-program-stack
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;; (push (cdr frame) frame-list))
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;; (when (eq (elt frame 1) debugger)
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;; (setq in-program-stack t))
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;; ;; (when (and (eq (elt frame 1) 'doom-cli-execute)
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;; ;; (eq (elt frame 2) :doom))
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;; ;; (setq in-program-stack nil))
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;; (setq n (1+ n)
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;; frame (backtrace-frame n)))
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;; (nreverse frame-list))
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(cdr (backtrace-get-frames debugger)))
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(defun doom-backtrace-write-to-file (backtrace file)
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"Write BACKTRACE to FILE with appropriate boilerplate."
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(make-directory (file-name-directory file) t)
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(let ((doom-print-indent 0))
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(with-temp-file file
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(insert ";; -*- lisp-interaction -*-\n")
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(insert ";; vim: set ft=lisp:\n")
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(insert (format ";; command=%S\n" command-line-args))
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(insert (format ";; date=%S\n\n" (format-time-string "%Y-%m-%d %H-%M-%S" before-init-time)))
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(insert ";;;; ENVIRONMENT\n" (with-output-to-string (doom/version)) "\n")
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(let ((standard-output (current-buffer))
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(print-quoted t)
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(print-escape-newlines t)
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(print-escape-control-characters t)
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(print-symbols-bare t)
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(print-level nil)
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(print-circle nil)
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(n -1))
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(mapc (lambda (frame)
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(princ (format ";;;; %d\n" (cl-incf n)))
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(pp (list (cons (backtrace-frame-fun frame)
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(backtrace-frame-args frame))
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(backtrace-frame-locals frame)))
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(terpri))
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backtrace))
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file)))
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(defun doom-debugger (&rest args)
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"Enter `debugger' in interactive sessions, `doom-cli-debugger' otherwise.
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Writes backtraces to file and ensures the backtrace is recorded, so the user can
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always access it."
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(let ((backtrace (doom-backtrace)))
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;; Work around Emacs's heuristic (in eval.c) for detecting errors in the
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;; debugger, which would run this handler again on subsequent calls. Taken
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;; from `ert--run-test-debugger'.
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(cl-incf num-nonmacro-input-events)
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(if (and noninteractive (fboundp 'doom-cli-debugger))
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(apply #'doom-cli-debugger args)
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;; TODO Write backtraces to file
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;; TODO Write backtrace to a buffer in case recursive error interupts the
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;; debugger (happens more often than it should).
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(apply #'debug args))))
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;;
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;;; Time-stamped *Message* logs
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(defun doom--timestamped-message-a (format-string &rest args)
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"Advice to run before `message' that prepends a timestamp to each message.
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Activate this advice with:
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(advice-add 'message :before 'doom--timestamped-message-a)"
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(when (and (stringp format-string)
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message-log-max
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(not (string-equal format-string "%s%s")))
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(with-current-buffer "*Messages*"
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(let ((timestamp (format-time-string "[%F %T] " (current-time)))
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(deactivate-mark nil))
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(with-silent-modifications
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(goto-char (point-max))
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(if (not (bolp))
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(newline))
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(insert timestamp))))
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(let ((window (get-buffer-window "*Messages*")))
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(when (and window (not (equal (selected-window) window)))
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(with-current-buffer "*Messages*"
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(goto-char (point-max))
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(set-window-point window (point-max)))))))
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;;
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;;; Hooks
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;;;###autoload
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(defun doom-run-all-startup-hooks-h ()
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"Run all startup Emacs hooks. Meant to be executed after starting Emacs with
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-q or -Q, for example:
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emacs -Q -l init.el -f doom-run-all-startup-hooks-h"
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(setq after-init-time (current-time))
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(let ((inhibit-startup-hooks nil))
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(doom-run-hooks 'after-init-hook
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'delayed-warnings-hook
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'emacs-startup-hook
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'tty-setup-hook
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'window-setup-hook)))
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;;
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;;; Helpers
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(defsubst doom--collect-forms-in (file form)
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(when (file-readable-p file)
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(let (forms)
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(with-temp-buffer
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(insert-file-contents file)
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(with-syntax-table emacs-lisp-mode-syntax-table
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(while (re-search-forward (format "(%s " (regexp-quote form)) nil t)
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(let ((ppss (syntax-ppss)))
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(unless (or (nth 4 ppss)
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(nth 3 ppss))
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(save-excursion
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(goto-char (match-beginning 0))
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(push (sexp-at-point) forms))))))
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(nreverse forms)))))
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;;;###autoload
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(defun doom-info ()
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"Returns diagnostic information about the current Emacs session in markdown,
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ready to be pasted in a bug report on github."
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(require 'vc-git)
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(require 'doom-packages)
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(let ((default-directory doom-emacs-dir))
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(letf! ((defun sh (&rest args) (cdr (apply #'doom-call-process args)))
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(defun cat (file &optional limit)
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(with-temp-buffer
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(insert-file-contents file nil 0 limit)
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(buffer-string)))
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(defun abbrev-path (path)
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(replace-regexp-in-string
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(regexp-opt (list (user-login-name)) 'words) "$USER"
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(abbreviate-file-name path)))
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(defun symlink-path (file)
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(format "%s%s" (abbrev-path file)
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(if (file-symlink-p file) ""
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(concat " -> " (abbrev-path (file-truename file)))))))
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`((generated . ,(format-time-string "%b %d, %Y %H:%M:%S"))
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(system . ,(delq
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nil (list (doom-system-distro-version)
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(when (executable-find "uname")
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(sh "uname" "-msr"))
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(window-system))))
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(emacs . ,(delq
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nil (list emacs-version
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(bound-and-true-p emacs-repository-branch)
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(and (stringp emacs-repository-version)
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(substring emacs-repository-version 0 9))
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(symlink-path doom-emacs-dir))))
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(doom . ,(list doom-version
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(sh "git" "log" "-1" "--format=%D %h %ci")
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(symlink-path doom-user-dir)))
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(shell . ,(abbrev-path shell-file-name))
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(features . ,system-configuration-features)
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(traits
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. ,(mapcar
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#'symbol-name
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(delq
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nil (list (cond (noninteractive 'batch)
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((display-graphic-p) 'gui)
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('tty))
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(if (daemonp) 'daemon)
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(if (and (require 'server)
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(server-running-p))
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'server-running)
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(if (boundp 'chemacs-version)
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(intern (format "chemacs-%s" chemacs-version)))
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(if (file-exists-p doom-env-file)
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'envvar-file)
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(if (featurep 'exec-path-from-shell)
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'exec-path-from-shell)
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(if (file-symlink-p doom-emacs-dir)
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'symlinked-emacsdir)
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(if (file-symlink-p doom-user-dir)
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'symlinked-doomdir)
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(if (and (stringp custom-file) (file-exists-p custom-file))
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'custom-file)
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(if (doom-files-in `(,@doom-modules-dirs
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,doom-core-dir
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,doom-user-dir)
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:type 'files :match "\\.elc$")
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'byte-compiled-config)))))
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(custom
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,@(when (and (stringp custom-file)
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(file-exists-p custom-file))
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(cl-loop for (type var _) in (get 'user 'theme-settings)
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if (eq type 'theme-value)
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collect var)))
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(modules
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,@(or (cl-loop with cat = nil
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for key being the hash-keys of doom-modules
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if (or (not cat)
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(not (eq cat (car key))))
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do (setq cat (car key))
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and collect cat
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collect
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(let* ((flags (doom-module-get cat (cdr key) :flags))
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(path (doom-module-get cat (cdr key) :path))
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(module
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(append
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(cond ((null path)
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(list '&nopath))
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((not (file-in-directory-p path doom-modules-dir))
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(list '&user)))
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(if flags
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`(,(cdr key) ,@flags)
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(list (cdr key))))))
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(if (= (length module) 1)
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(car module)
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module)))
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'("n/a")))
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(packages
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,@(condition-case e
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(mapcar
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#'cdr (doom--collect-forms-in
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(doom-path doom-user-dir "packages.el")
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"package!"))
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(error (format "<%S>" e))))
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(unpin
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,@(condition-case e
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(mapcan #'identity
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(mapcar
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#'cdr (doom--collect-forms-in
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(doom-path doom-user-dir "packages.el")
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"unpin!")))
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(error (list (format "<%S>" e)))))
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(elpa
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,@(condition-case e
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(progn
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(unless (bound-and-true-p package--initialized)
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(package-initialize))
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(cl-loop for (name . _) in package-alist
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collect (format "%s" name)))
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(error (format "<%S>" e))))))))
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;;;###autoload
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(defun doom-info-string (&optional width nocolor)
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"Return the `doom-info' as a compact string.
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FILL-COLUMN determines the column at which lines will be broken."
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(with-temp-buffer
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(let ((doom-print-backend (unless nocolor doom-print-backend))
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(doom-print-indent 0))
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(dolist (spec (cl-remove-if-not #'cdr (doom-info)) (buffer-string))
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;; FIXME Refactor this horrible cludge, either here or in `format!'
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(insert! ((bold "%-10s ") (symbol-name (car spec)))
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("%s\n"
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(string-trim-left
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(indent
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(fill
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(if (listp (cdr spec))
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(mapconcat (doom-partial #'format "%s")
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(cdr spec)
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" ")
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(cdr spec))
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(- (or width 80) 11))
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11))))))))
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;;
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;;; Commands
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;;;###autoload
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(defun doom/version ()
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"Display the running version of Doom core, module sources, and Emacs."
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(interactive)
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(print! "%s\n%s\n%s"
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(format "%-13s v%-15s %s"
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"GNU Emacs"
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emacs-version
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emacs-repository-version)
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(format "%-13s v%-15s %s"
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"Doom core"
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doom-version
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(or (cdr (doom-call-process
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"git" "-C" doom-emacs-dir
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"log" "-1" "--format=%D %h %ci"))
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"n/a"))
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;; NOTE This is a placeholder. Our modules will be moved to its own
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;; repo eventually, and Doom core will later be capable of managing
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;; them like package sources.
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(format "%-13s v%-15s %s"
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"Doom modules"
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doom-modules-version
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(or (cdr (doom-call-process
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"git" "-C" doom-modules-dir
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"log" "-1" "--format=%D %h %ci"))
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"n/a"))))
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;;;###autoload
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(defun doom/info ()
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"Collects some debug information about your Emacs session, formats it and
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copies it to your clipboard, ready to be pasted into bug reports!"
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(interactive)
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(let ((buffer (get-buffer-create "*doom info*")))
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(with-current-buffer buffer
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(setq buffer-read-only t)
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(with-silent-modifications
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(erase-buffer)
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(insert (doom-info-string 86)))
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(pop-to-buffer buffer)
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(kill-new (buffer-string))
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(when (y-or-n-p "Your doom-info was copied to the clipboard.\n\nOpen pastebin.com?")
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(browse-url "https://pastebin.com")))))
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;;
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;;; Profiling
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(defvar doom--profiler nil)
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;;;###autoload
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(defun doom/toggle-profiler ()
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"Toggle the Emacs profiler. Run it again to see the profiling report."
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(interactive)
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(if (not doom--profiler)
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(profiler-start 'cpu+mem)
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(profiler-report)
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(profiler-stop))
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(setq doom--profiler (not doom--profiler)))
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