doomemacs/lisp/lib/autoloads.el
2024-02-05 17:21:20 -05:00

200 lines
8.5 KiB
EmacsLisp

;;; lisp/lib/autoloads.el -*- lexical-binding: t; -*-
;;; Commentary:
;;; Code:
(defvar doom-autoloads-excluded-packages ()
"Which packages to exclude from Doom's autoloads files.
Use this for packages with problematic autoloads; e.g. they autoload too much or
hoist buggy forms into autoloads.")
(defvar doom-autoloads-excluded-files ()
"List of regexps whose matching files won't be indexed for autoloads.")
(defvar doom-autoloads-cached-vars
'(load-path
auto-mode-alist
interpreter-mode-alist
magic-mode-alist
magic-fallback-mode-alist
Info-directory-list)
"A list of variables to be cached in `doom-autoloads-file'.")
(defvar doom-autoloads-files ()
"A list of additional files or file globs to scan for autoloads.")
;;
;;; Library
(defun doom-autoloads--write (file &rest forms)
(make-directory (file-name-directory file) 'parents)
(condition-case-unless-debug e
(with-temp-file file
(setq-local coding-system-for-write 'utf-8)
(let ((standard-output (current-buffer))
(print-quoted t)
(print-level nil)
(print-length nil))
(insert ";; -*- lexical-binding: t; coding: utf-8; no-native-compile: t -*-\n"
";; This file is autogenerated by 'doom sync', DO NOT EDIT IT!!\n")
(dolist (form (delq nil forms))
(mapc #'prin1 form))
t))
(error (delete-file file)
(signal 'doom-autoload-error (list file e)))))
(defun doom-autoloads--compile-file (file)
(condition-case-unless-debug e
(let ((byte-compile-warnings (if init-file-debug byte-compile-warnings)))
(and (byte-compile-file file)
(load (byte-compile-dest-file file) nil t)))
(error
(delete-file (byte-compile-dest-file file))
(signal 'doom-autoload-error (list file e)))))
(defun doom-autoloads--cleanup-form (form &optional expand)
(let ((func (car-safe form)))
(cond ((memq func '(provide custom-autoload register-definition-prefixes))
nil)
((and (eq func 'add-to-list)
(memq (doom-unquote (cadr form))
doom-autoloads-cached-vars))
nil)
((not (eq func 'autoload))
form)
((and expand (not (file-name-absolute-p (nth 2 form))))
(defvar doom--autoloads-path-cache nil)
(setf (nth 2 form)
(let ((path (nth 2 form)))
(or (cdr (assoc path doom--autoloads-path-cache))
(when-let* ((libpath (locate-library path))
(libpath (file-name-sans-extension libpath))
(libpath (abbreviate-file-name libpath)))
(push (cons path libpath) doom--autoloads-path-cache)
libpath)
path)))
form)
(form))))
(defun doom-autoloads--scan-autodefs (file buffer module &optional module-enabled-p)
(with-temp-buffer
(insert-file-contents file)
(while (re-search-forward "^;;;###autodef *\\([^\n]+\\)?\n" nil t)
(let* ((standard-output buffer)
(form (read (current-buffer)))
(altform (match-string 1))
(definer (car-safe form))
(symbol (doom-unquote (cadr form))))
(cond ((and (not module-enabled-p) altform)
(print (read altform)))
((memq definer '(defun defmacro cl-defun cl-defmacro))
(print
(if module-enabled-p
(make-autoload form (abbreviate-file-name file))
(seq-let (_ _ arglist &rest body) form
(if altform
(read altform)
(append
(list (pcase definer
(`defun 'defmacro)
(`cl-defun `cl-defmacro)
(_ type))
symbol arglist
(format "THIS FUNCTION DOES NOTHING BECAUSE %s IS DISABLED\n\n%s"
module (if (stringp (car body))
(pop body)
"No documentation.")))
(cl-loop for arg in arglist
if (symbolp arg)
if (not (keywordp arg))
if (not (memq arg cl--lambda-list-keywords))
collect arg into syms
else if (listp arg)
collect (car arg) into syms
finally return (if syms `((ignore ,@syms)))))))))
(print `(put ',symbol 'doom-module ',module)))
((eq definer 'defalias)
(seq-let (_ _ target docstring) form
(unless module-enabled-p
(setq target #'ignore
docstring
(format "THIS FUNCTION DOES NOTHING BECAUSE %s IS DISABLED\n\n%s"
module docstring)))
(print `(put ',symbol 'doom-module ',module))
(print `(defalias ',symbol #',(doom-unquote target) ,docstring))))
(module-enabled-p (print form)))))))
(defvar autoload-timestamps)
(defvar generated-autoload-load-name)
(defun doom-autoloads--scan-file (file)
(let* (;; Prevent `autoload-find-file' from firing file hooks, e.g. adding
;; to recentf.
find-file-hook
write-file-functions
;; Prevent a possible source of crashes when there's a syntax error in
;; the autoloads file.
debug-on-error
;; Non-nil interferes with autoload generation in Emacs < 29. See
;; radian-software/straight.el#904.
(left-margin 0)
;; The following bindings are in `package-generate-autoloads'.
;; Presumably for a good reason, so I just copied them.
(backup-inhibited t)
(version-control 'never)
case-fold-search ; reduce magic
autoload-timestamps ; reduce noise in generated files
autoload-compute-prefixes
;; So `autoload-generate-file-autoloads' knows where to write it
(target-buffer (current-buffer))
(module (doom-module-from-path file))
(generated-autoload-load-name (abbreviate-file-name (file-name-sans-extension file)))
(module-enabled-p (and (doom-module-p (car module) (cdr module))
(doom-file-cookie-p file "if" t))))
(save-excursion
(when module-enabled-p
(quiet! (autoload-generate-file-autoloads file target-buffer)))
(doom-autoloads--scan-autodefs
file target-buffer module module-enabled-p))))
(defun doom-autoloads--scan (files &optional exclude literal)
"Scan and return all autoloaded forms in FILES.
Autoloads will be generated from autoload cookies in FILES (except those that
match one of the regexps in EXCLUDE -- a list of strings). If LITERAL is
non-nil, treat FILES as pre-generated autoload files instead."
(require 'autoload)
(let (autoloads)
(dolist (file files (nreverse (delq nil autoloads)))
(when (and (not (seq-find (doom-rpartial #'string-match-p file) exclude))
(file-readable-p file))
(doom-log "loaddefs:scan: %s" file)
(setq file (file-truename file))
(with-temp-buffer
(if literal
(insert-file-contents file)
(doom-autoloads--scan-file file))
(save-excursion
(while (re-search-forward "\\_<load-file-name\\_>" nil t)
;; `load-file-name' is meaningless in a concatenated
;; mega-autoloads file, but also essential in isolation, so we
;; replace references to it with the file they came from.
(let ((ppss (save-excursion (syntax-ppss))))
(or (nth 3 ppss)
(nth 4 ppss)
(replace-match (prin1-to-string (abbreviate-file-name file)) t t)))))
(let ((load-file-name file)
(load-path
(append (list doom-user-dir)
doom-module-load-path
load-path)))
(condition-case _
(while t
(push (doom-autoloads--cleanup-form (read (current-buffer))
(not literal))
autoloads))
(end-of-file))))))))
(provide 'doom-lib '(autoloads))
;;; autoloads.el end here