Reorganize core-lib
Group like macros together.
This commit is contained in:
Henrik Lissner
parent
64b799c68e
commit
c3a84f0fbf
1 changed files with 153 additions and 147 deletions
300
core/core-lib.el
300
core/core-lib.el
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@ -168,6 +168,11 @@ aliases."
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(call-interactively command))))
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(defalias 'lambda!! 'λ!!)
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(defun dir! ()
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"Returns the directory of the emacs lisp file this macro is called from."
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(when-let (path (file!))
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(directory-file-name (file-name-directory path))))
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(defun file! ()
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"Return the emacs lisp file this macro is called from."
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(cond ((bound-and-true-p byte-compile-current-file))
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@ -177,10 +182,83 @@ aliases."
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(buffer-file-name)
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((error "Cannot get this file-path"))))
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(defun dir! ()
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"Returns the directory of the emacs lisp file this macro is called from."
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(when-let (path (file!))
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(directory-file-name (file-name-directory path))))
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(defmacro letenv! (envvars &rest body)
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"Lexically bind ENVVARS in BODY, like `let' but for `process-environment'."
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(declare (indent 1))
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`(let ((process-environment (copy-sequence process-environment)))
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(dolist (var (list ,@(cl-loop for (var val) in envvars
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collect `(cons ,var ,val))))
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(setenv (car var) (cdr var)))
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,@body))
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(defmacro quiet! (&rest forms)
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"Run FORMS without generating any output.
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This silences calls to `message', `load-file', `write-region' and anything that
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writes to `standard-output'."
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`(cond (doom-debug-mode ,@forms)
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((not doom-interactive-mode)
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(let ((old-fn (symbol-function 'write-region)))
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(cl-letf ((standard-output (lambda (&rest _)))
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((symbol-function 'load-file) (lambda (file) (load file nil t)))
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((symbol-function 'message) (lambda (&rest _)))
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((symbol-function 'write-region)
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(lambda (start end filename &optional append visit lockname mustbenew)
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(unless visit (setq visit 'no-message))
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(funcall old-fn start end filename append visit lockname mustbenew))))
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,@forms)))
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((let ((inhibit-message t)
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(save-silently t))
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(prog1 ,@forms (message ""))))))
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;;; Mutation
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(defmacro appendq! (sym &rest lists)
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"Append LISTS to SYM in place."
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`(setq ,sym (append ,sym ,@lists)))
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(defmacro setq! (&rest settings)
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"A stripped-down `customize-set-variable' with the syntax of `setq'.
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Use this instead of `setq' when you know a variable has a custom setter (a :set
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property in its `defcustom' declaration). This trigger setters. `setq' does
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not."
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(macroexp-progn
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(cl-loop for (var val) on settings by 'cddr
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collect (list (or (get var 'custom-set) #'set)
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(list 'quote var)
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val))))
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(defmacro delq! (elt list &optional fetcher)
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"`delq' ELT from LIST in-place.
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If FETCHER is a function, ELT is used as the key in LIST (an alist)."
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`(setq ,list
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(delq ,(if fetcher
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`(funcall ,fetcher ,elt ,list)
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elt)
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,list)))
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(defmacro pushnew! (place &rest values)
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"Push VALUES sequentially into PLACE, if they aren't already present.
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This is a variadic `cl-pushnew'."
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(let ((var (make-symbol "result")))
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`(dolist (,var (list ,@values) (with-no-warnings ,place))
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(cl-pushnew ,var ,place :test #'equal))))
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(defmacro prependq! (sym &rest lists)
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"Prepend LISTS to SYM in place."
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`(setq ,sym (append ,@lists ,sym)))
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;;; Loading
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(defmacro add-load-path! (&rest dirs)
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"Add DIRS to `load-path', relative to the current file.
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The current file is the file from which `add-to-load-path!' is used."
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`(let ((default-directory ,(dir!))
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file-name-handler-alist)
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(dolist (dir (list ,@dirs))
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(cl-pushnew (expand-file-name dir) load-path))))
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(defmacro after! (package &rest body)
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"Evaluate BODY after PACKAGE have loaded.
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@ -232,58 +310,84 @@ This is a wrapper around `eval-after-load' that:
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(setq body `((after! ,next ,@body))))
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(car body))))))
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(defmacro setq! (&rest settings)
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"A stripped-down `customize-set-variable' with the syntax of `setq'.
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(defun doom--handle-load-error (e target path)
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(let* ((source (file-name-sans-extension target))
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(err (cond ((not (featurep 'core))
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(cons 'error (file-name-directory path)))
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((file-in-directory-p source doom-core-dir)
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(cons 'doom-error doom-core-dir))
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((file-in-directory-p source doom-private-dir)
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(cons 'doom-private-error doom-private-dir))
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((cons 'doom-module-error doom-emacs-dir)))))
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(signal (car err)
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(list (file-relative-name
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(concat source ".el")
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(cdr err))
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e))))
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Use this instead of `setq' when you know a variable has a custom setter (a :set
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property in its `defcustom' declaration). This trigger setters. `setq' does
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not."
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(macroexp-progn
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(cl-loop for (var val) on settings by 'cddr
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collect `(funcall (or (get ',var 'custom-set) #'set)
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',var ,val))))
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(defmacro load! (filename &optional path noerror)
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"Load a file relative to the current executing file (`load-file-name').
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(defmacro pushnew! (place &rest values)
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"Push VALUES sequentially into PLACE, if they aren't already present.
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This is a variadic `cl-pushnew'."
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(let ((var (make-symbol "result")))
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`(dolist (,var (list ,@values) (with-no-warnings ,place))
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(cl-pushnew ,var ,place :test #'equal))))
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FILENAME is either a file path string or a form that should evaluate to such a
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string at run time. PATH is where to look for the file (a string representing a
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directory path). If omitted, the lookup is relative to either `load-file-name',
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`byte-compile-current-file' or `buffer-file-name' (checked in that order).
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(defmacro prependq! (sym &rest lists)
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"Prepend LISTS to SYM in place."
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`(setq ,sym (append ,@lists ,sym)))
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If NOERROR is non-nil, don't throw an error if the file doesn't exist."
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(let* ((path (or path
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(dir!)
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(error "Could not detect path to look for '%s' in"
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filename)))
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(file (if path
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`(expand-file-name ,filename ,path)
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filename)))
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`(condition-case-unless-debug e
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(let (file-name-handler-alist)
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(load ,file ,noerror 'nomessage))
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(doom-error (signal (car e) (cdr e)))
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(error (doom--handle-load-error e ,file ,path)))))
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(defmacro appendq! (sym &rest lists)
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"Append LISTS to SYM in place."
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`(setq ,sym (append ,sym ,@lists)))
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(defmacro defer-until! (condition &rest body)
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"Run BODY when CONDITION is true (checks on `after-load-functions'). Meant to
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serve as a predicated alternative to `after!'."
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(declare (indent defun) (debug t))
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`(if ,condition
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(progn ,@body)
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,(let ((fn (intern (format "doom--delay-form-%s-h" (sxhash (cons condition body))))))
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`(progn
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(fset ',fn (lambda (&rest args)
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(when ,(or condition t)
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(remove-hook 'after-load-functions #',fn)
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(unintern ',fn nil)
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(ignore args)
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,@body)))
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(put ',fn 'permanent-local-hook t)
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(add-hook 'after-load-functions #',fn)))))
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(defmacro delq! (elt list &optional fetcher)
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"`delq' ELT from LIST in-place.
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(defmacro defer-feature! (feature &optional fn)
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"Pretend FEATURE hasn't been loaded yet, until FEATURE-hook or FN runs.
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If FETCHER is a function, ELT is used as the key in LIST (an alist)."
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`(setq ,list
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(delq ,(if fetcher
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`(funcall ,fetcher ,elt ,list)
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elt)
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,list)))
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Some packages (like `elisp-mode' and `lisp-mode') are loaded immediately at
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startup, which will prematurely trigger `after!' (and `with-eval-after-load')
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blocks. To get around this we make Emacs believe FEATURE hasn't been loaded yet,
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then wait until FEATURE-hook (or MODE-hook, if FN is provided) is triggered to
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reverse this and trigger `after!' blocks at a more reasonable time."
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(let ((advice-fn (intern (format "doom--defer-feature-%s-a" feature)))
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(fn (or fn feature)))
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`(progn
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(setq features (delq ',feature features))
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(advice-add #',fn :before #',advice-fn)
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(defun ,advice-fn (&rest _)
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;; Some plugins (like yasnippet) will invoke a fn early to parse
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;; code, which would prematurely trigger this. In those cases, well
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;; behaved plugins will use `delay-mode-hooks', which we can check for:
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(when (and ,(intern (format "%s-hook" fn))
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(not delay-mode-hooks))
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;; ...Otherwise, announce to the world this package has been loaded,
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;; so `after!' handlers can react.
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(provide ',feature)
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(advice-remove #',fn #',advice-fn))))))
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(defmacro letenv! (envvars &rest body)
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"Lexically bind ENVVARS in BODY, like `let' but for `process-environment'."
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(declare (indent 1))
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`(let ((process-environment (copy-sequence process-environment)))
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(dolist (var (list ,@(cl-loop for (var val) in envvars
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collect `(cons ,var ,val))))
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(setenv (car var) (cdr var)))
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,@body))
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(defmacro add-load-path! (&rest dirs)
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"Add DIRS to `load-path', relative to the current file.
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The current file is the file from which `add-to-load-path!' is used."
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`(let ((default-directory ,(dir!))
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file-name-handler-alist)
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(dolist (dir (list ,@dirs))
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(cl-pushnew (expand-file-name dir) load-path))))
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;;; Hooks
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(defvar doom--transient-counter 0)
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@ -409,106 +513,8 @@ If N and M = 1, there's no benefit to using this macro over `remove-hook'.
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in (doom--setq-hook-fns hooks vars 'singles)
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collect `(remove-hook ',hook #',fn))))
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(defmacro load! (filename &optional path noerror)
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"Load a file relative to the current executing file (`load-file-name').
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FILENAME is either a file path string or a form that should evaluate to such a
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string at run time. PATH is where to look for the file (a string representing a
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directory path). If omitted, the lookup is relative to either `load-file-name',
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`byte-compile-current-file' or `buffer-file-name' (checked in that order).
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If NOERROR is non-nil, don't throw an error if the file doesn't exist."
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(let* ((path (or path
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(dir!)
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(error "Could not detect path to look for '%s' in"
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filename)))
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(file (if path
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`(expand-file-name ,filename ,path)
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filename)))
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`(condition-case-unless-debug e
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(let (file-name-handler-alist)
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(load ,file ,noerror 'nomessage))
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(doom-error (signal (car e) (cdr e)))
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(error
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(let* ((source (file-name-sans-extension ,file))
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(err (cond ((not (featurep 'core))
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(cons 'error (file-name-directory path)))
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((file-in-directory-p source doom-core-dir)
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(cons 'doom-error doom-core-dir))
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((file-in-directory-p source doom-private-dir)
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(cons 'doom-private-error doom-private-dir))
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((cons 'doom-module-error doom-emacs-dir)))))
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(signal (car err)
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(list (file-relative-name
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(concat source ".el")
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(cdr err))
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e)))))))
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(defmacro defer-until! (condition &rest body)
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"Run BODY when CONDITION is true (checks on `after-load-functions'). Meant to
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serve as a predicated alternative to `after!'."
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(declare (indent defun) (debug t))
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`(if ,condition
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(progn ,@body)
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,(let ((fn (intern (format "doom--delay-form-%s-h" (sxhash (cons condition body))))))
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`(progn
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(fset ',fn (lambda (&rest args)
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(when ,(or condition t)
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(remove-hook 'after-load-functions #',fn)
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(unintern ',fn nil)
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(ignore args)
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,@body)))
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(put ',fn 'permanent-local-hook t)
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(add-hook 'after-load-functions #',fn)))))
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(defmacro defer-feature! (feature &optional fn)
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"Pretend FEATURE hasn't been loaded yet, until FEATURE-hook or FN runs.
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Some packages (like `elisp-mode' and `lisp-mode') are loaded immediately at
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startup, which will prematurely trigger `after!' (and `with-eval-after-load')
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blocks. To get around this we make Emacs believe FEATURE hasn't been loaded yet,
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then wait until FEATURE-hook (or MODE-hook, if FN is provided) is triggered to
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reverse this and trigger `after!' blocks at a more reasonable time."
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(let ((advice-fn (intern (format "doom--defer-feature-%s-a" feature)))
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(fn (or fn feature)))
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`(progn
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(setq features (delq ',feature features))
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(advice-add #',fn :before #',advice-fn)
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(defun ,advice-fn (&rest _)
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;; Some plugins (like yasnippet) will invoke a fn early to parse
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;; code, which would prematurely trigger this. In those cases, well
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;; behaved plugins will use `delay-mode-hooks', which we can check for:
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(when (and ,(intern (format "%s-hook" fn))
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(not delay-mode-hooks))
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;; ...Otherwise, announce to the world this package has been loaded,
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;; so `after!' handlers can react.
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(provide ',feature)
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(advice-remove #',fn #',advice-fn))))))
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(defmacro quiet! (&rest forms)
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"Run FORMS without generating any output.
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This silences calls to `message', `load-file', `write-region' and anything that
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writes to `standard-output'."
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`(cond (doom-debug-mode ,@forms)
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((not doom-interactive-mode)
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(let ((old-fn (symbol-function 'write-region)))
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(cl-letf ((standard-output (lambda (&rest _)))
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((symbol-function 'load-file) (lambda (file) (load file nil t)))
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((symbol-function 'message) (lambda (&rest _)))
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((symbol-function 'write-region)
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(lambda (start end filename &optional append visit lockname mustbenew)
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(unless visit (setq visit 'no-message))
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(funcall old-fn start end filename append visit lockname mustbenew))))
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,@forms)))
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((let ((inhibit-message t)
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(save-silently t))
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(prog1 ,@forms (message ""))))))
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;;
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;;; Definers
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(defmacro defadvice! (symbol arglist &optional docstring &rest body)
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"Define an advice called SYMBOL and add it to PLACES.
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