Allow :bind ("C-c C-c" . (lambda () (ding))) and #'(lambda ...)
Fixes https://github.com/jwiegley/use-package/issues/333 Fixes https://github.com/jwiegley/use-package/issues/461
This commit is contained in:
John Wiegley
parent
f256943f9b
commit
bff472ea80
3 changed files with 193 additions and 127 deletions
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@ -472,6 +472,9 @@ This is in contrast to merely setting it to 0."
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"Delete all empty lists from ELEMS (nil or (list nil)), and append them."
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(apply #'nconc (delete nil (delete (list nil) elems))))
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(defsubst use-package--non-nil-symbolp (sym)
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(and sym (symbolp sym)))
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(defconst use-package-font-lock-keywords
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'(("(\\(use-package\\)\\_>[ \t']*\\(\\(?:\\sw\\|\\s_\\)+\\)?"
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(1 font-lock-keyword-face)
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@ -489,16 +492,11 @@ This is in contrast to merely setting it to 0."
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;;; Normalization functions
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;;
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(defun use-package-regex-p (re)
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(defsubst use-package-regex-p (re)
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"Return t if RE is some regexp-like thing."
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(cond
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((and (listp re)
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(eq (car re) 'rx))
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t)
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((stringp re)
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t)
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(t
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nil)))
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(or (and (listp re)
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(eq (car re) 'rx))
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(stringp re)))
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(defun use-package-normalize-regex (re)
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"Given some regexp-like thing, resolve it down to a regular expression."
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@ -590,7 +588,7 @@ next value for the STATE."
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(lambda (label arg)
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(cond
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((stringp arg) arg)
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((symbolp arg) (symbol-name arg))
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((use-package--non-nil-symbolp arg) (symbol-name arg))
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(t
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(use-package-error
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":pin wants an archive name (a string)"))))))
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@ -724,7 +722,7 @@ If the package is installed, its entry is removed from
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t
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(use-package-only-one (symbol-name keyword) args
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(lambda (label arg)
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(if (symbolp arg)
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(if (use-package--non-nil-symbolp arg)
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arg
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(use-package-error
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(concat ":ensure wants an optional package name "
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@ -798,7 +796,7 @@ If the package is installed, its entry is removed from
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(defsubst use-package-normalize-value (label arg)
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"Normalize a value."
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(cond ((null arg) nil)
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((symbolp arg)
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((use-package--non-nil-symbolp arg)
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`(symbol-value ',arg))
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((functionp arg)
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`(funcall #',arg))
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@ -831,8 +829,9 @@ If the package is installed, its entry is removed from
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"Call F on the first element of ARGS if it has one element, or all of ARGS.
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If ALLOW-EMPTY is non-nil, it's OK for ARGS to be an empty list."
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(declare (indent 1))
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(if (or (and (not (null args)) (listp args) (listp (cdr args)))
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(and allow-empty (null args)))
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(if (if args
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(listp args) (listp (cdr args))
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allow-empty)
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(if (= (length args) 1)
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(funcall f label (car args))
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(funcall f label args))
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@ -844,7 +843,7 @@ If ALLOW-EMPTY is non-nil, it's OK for ARGS to be an empty list."
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(defun use-package-normalize-symbols (label arg &optional recursed)
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"Normalize a list of symbols."
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(cond
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((symbolp arg)
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((use-package--non-nil-symbolp arg)
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(list arg))
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((and (not recursed) (listp arg) (listp (cdr arg)))
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(mapcar #'(lambda (x) (car (use-package-normalize-symbols label x t))) arg))
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@ -859,7 +858,7 @@ If ALLOW-EMPTY is non-nil, it's OK for ARGS to be an empty list."
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(defun use-package-normalize-recursive-symbols (label arg)
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"Normalize a list of symbols."
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(cond
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((symbolp arg)
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((use-package--non-nil-symbolp arg)
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arg)
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((and (listp arg) (listp (cdr arg)))
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(mapcar #'(lambda (x) (use-package-normalize-recursive-symbols label x))
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@ -891,7 +890,7 @@ If ALLOW-EMPTY is non-nil, it's OK for ARGS to be an empty list."
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(defun use-package-normalize-paths (label arg &optional recursed)
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"Normalize a list of filesystem paths."
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(cond
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((and arg (or (symbolp arg) (functionp arg)))
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((and arg (or (use-package--non-nil-symbolp arg) (functionp arg)))
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(let ((value (use-package-normalize-value label arg)))
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(use-package-normalize-paths label (eval value))))
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((stringp arg)
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@ -986,56 +985,105 @@ If RECURSED is non-nil, recurse into sublists."
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((use-package-is-pair arg key-pred val-pred)
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(list arg))
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((and (not recursed) (listp arg) (listp (cdr arg)))
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(let ((last-item nil))
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(mapcar #'(lambda (x)
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(prog1
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(let ((ret (use-package-normalize-pairs
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key-pred val-pred name label x t)))
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;; Currently, the handling of keyword
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;; arguments by `use-package' and `bind-key'
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;; is non-uniform and undocumented. As a
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;; result, `use-package-normalize-pairs' (as
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;; it is currently implemented) does not
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;; correctly handle the keyword-argument
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;; syntax of `bind-keys'. A permanent solution
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;; to this problem will require a careful
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;; consideration of the desired
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;; keyword-argument interface for
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;; `use-package' and `bind-key'. However, in
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;; the meantime, we have a quick patch to fix
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;; a serious bug in the handling of keyword
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;; arguments. Namely, the code below would
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;; normally unwrap lists that were passed as
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;; keyword arguments (for example, the
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;; `:filter' argument in `:bind') without
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;; the (not (keywordp last-item)) clause. See
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;; #447 for further discussion.
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(if (and (listp ret) (not (keywordp last-item)))
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(car ret)
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ret))
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(setq last-item x))) arg)))
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(let (last-item)
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(mapcar
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#'(lambda (x)
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(prog1
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(let ((ret (use-package-normalize-pairs
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key-pred val-pred name label x t)))
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;; Currently, the handling of keyword arguments by
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;; `use-package' and `bind-key' is non-uniform and
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;; undocumented. As a result, `use-package-normalize-pairs'
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;; (as it is currently implemented) does not correctly handle
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;; the keyword-argument syntax of `bind-keys'. A permanent
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;; solution to this problem will require a careful
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;; consideration of the desired keyword-argument interface
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;; for `use-package' and `bind-key'. However, in the
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;; meantime, we have a quick patch to fix a serious bug in
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;; the handling of keyword arguments. Namely, the code below
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;; would normally unwrap lists that were passed as keyword
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;; arguments (for example, the `:filter' argument in `:bind')
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;; without the (not (keywordp last-item)) clause. See #447
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;; for further discussion.
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(if (and (listp ret)
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(not (keywordp last-item)))
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(car ret)
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ret))
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(setq last-item x))) arg)))
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(t arg)))
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(defun use-package--recognize-function (v &optional additional-pred)
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"A predicate that recognizes functional constructions:
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sym
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'sym
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(quote sym)
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#'sym
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(function sym)
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(lambda () ...)
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'(lambda () ...)
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(quote (lambda () ...))
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#'(lambda () ...)
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(function (lambda () ...))"
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(pcase v
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((pred use-package--non-nil-symbolp) t)
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(`(,(or 'quote 'function)
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,(pred use-package--non-nil-symbolp)) t)
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((pred functionp) t)
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(`(function (lambda . ,_)) t)
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(_ (and additional-pred
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(funcall additional-pred v)))))
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(defun use-package--normalize-function (v)
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"Reduce functional constructions to one of two normal forms:
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sym
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#'(lambda () ...)"
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(pcase v
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((pred use-package--non-nil-symbolp) v)
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(`(,(or 'quote 'function)
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,(and sym (pred use-package--non-nil-symbolp))) sym)
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(`(lambda . ,_) v)
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(`(quote ,(and lam `(lambda . ,_))) lam)
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(`(function ,(and lam `(lambda . ,_))) lam)
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(_ v)))
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(defun use-package--normalize-commands (args)
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"Map over ARGS of the form ((_ . F) ...).
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Normalizing functional F's and returning a list of F's
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representing symbols (that may need to be autloaded)."
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(let ((nargs (mapcar
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#'(lambda (x)
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(if (consp x)
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(cons (car x)
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(use-package--normalize-function (cdr x)))
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x)) args)))
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(cons nargs
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(delete nil (mapcar #'(lambda (x)
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(and (consp x)
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(use-package--non-nil-symbolp (cdr x))
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(cdr x))) nargs)))))
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(defun use-package-normalize-binder (name keyword args)
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(use-package-as-one (symbol-name keyword) args
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(lambda (label arg)
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(unless (consp arg)
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(use-package-error
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(concat label " a (<string or vector> . <symbol or string>)"
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(concat label " a (<string or vector> . <symbol, string or function>)"
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" or list of these")))
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(use-package-normalize-pairs (lambda (k) (or (stringp k) (vectorp k)))
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(lambda (b) (or (symbolp b) (stringp b)))
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name label arg))))
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(use-package-normalize-pairs
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#'(lambda (k)
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(pcase k
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((pred stringp) t)
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((pred vectorp) t)))
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#'(lambda (v) (use-package--recognize-function v #'stringp))
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name label arg))))
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(defalias 'use-package-normalize/:bind 'use-package-normalize-binder)
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(defalias 'use-package-normalize/:bind* 'use-package-normalize-binder)
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(defun use-package-handler/:bind
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(name keyword arg rest state &optional bind-macro)
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(let ((commands (remq nil (mapcar #'(lambda (arg)
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(if (listp arg)
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(cdr arg)
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nil)) arg))))
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(name keyword args rest state &optional bind-macro)
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(cl-destructuring-bind (nargs . commands)
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(use-package--normalize-commands args)
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(use-package-concat
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(use-package-process-keywords name
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(use-package-sort-keywords
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@ -1044,7 +1092,7 @@ If RECURSED is non-nil, recurse into sublists."
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`((ignore
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,(macroexpand
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`(,(if bind-macro bind-macro 'bind-keys)
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:package ,name ,@arg)))))))
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:package ,name ,@nargs)))))))
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(defun use-package-handler/:bind* (name keyword arg rest state)
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(use-package-handler/:bind name keyword arg rest state 'bind-keys*))
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@ -1060,15 +1108,15 @@ If RECURSED is non-nil, recurse into sublists."
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;;;###autoload
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(defun use-package-autoload-keymap (keymap-symbol package override)
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"Loads PACKAGE and then binds the key sequence used to invoke
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this function to KEYMAP-SYMBOL. It then simulates pressing the
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same key sequence a again, so that the next key pressed is routed
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to the newly loaded keymap.
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this function to KEYMAP-SYMBOL. It then simulates pressing the
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same key sequence a again, so that the next key pressed is routed
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to the newly loaded keymap.
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This function supports use-package's :bind-keymap keyword. It
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works by binding the given key sequence to an invocation of this
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function for a particular keymap. The keymap is expected to be
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defined by the package. In this way, loading the package is
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deferred until the prefix key sequence is pressed."
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This function supports use-package's :bind-keymap keyword. It
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works by binding the given key sequence to an invocation of this
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function for a particular keymap. The keymap is expected to be
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defined by the package. In this way, loading the package is
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deferred until the prefix key sequence is pressed."
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(if (not (require package nil t))
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(use-package-error (format "Cannot load package.el: %s" package))
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(if (and (boundp keymap-symbol)
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@ -1096,7 +1144,8 @@ deferred until the prefix key sequence is pressed."
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#'(lambda ()
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(interactive)
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(use-package-autoload-keymap
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',(cdr binding) ',(use-package-as-symbol name) ,override)))) arg)))
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',(cdr binding) ',(use-package-as-symbol name)
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,override)))) arg)))
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(use-package-concat
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(use-package-process-keywords name
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(use-package-sort-keywords
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@ -1117,23 +1166,27 @@ deferred until the prefix key sequence is pressed."
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(use-package-as-one (symbol-name keyword) args
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(apply-partially #'use-package-normalize-pairs
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#'use-package-regex-p
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(lambda (m) (and (not (null m)) (symbolp m)))
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#'(lambda (v) (use-package--recognize-function v #'null))
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name)))
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(defun use-package-handle-mode (name alist arg rest state)
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(defun use-package-handle-mode (name alist args rest state)
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"Handle keywords which add regexp/mode pairs to an alist."
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(let* (commands
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(form (mapcar #'(lambda (thing)
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(push (cdr thing) commands)
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(setcar thing
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(use-package-normalize-regex (car thing)))
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`(add-to-list ',alist ',thing)) arg)))
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(use-package-concat
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(use-package-process-keywords name
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(use-package-sort-keywords
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(use-package-plist-maybe-put rest :defer t))
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(use-package-plist-append state :commands commands))
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`((ignore ,@form)))))
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(cl-destructuring-bind (nargs . commands)
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(use-package--normalize-commands args)
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(let ((form
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(mapcar
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#'(lambda (thing)
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`(add-to-list
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',alist
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',(cons (use-package-normalize-regex (car thing))
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(cdr thing))))
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nargs)))
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(use-package-concat
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(use-package-process-keywords name
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(use-package-sort-keywords
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(use-package-plist-maybe-put rest :defer t))
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(use-package-plist-append state :commands commands))
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`((ignore ,@form))))))
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(defalias 'use-package-normalize/:interpreter 'use-package-normalize-mode)
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@ -1229,7 +1282,7 @@ deferred until the prefix key sequence is pressed."
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(defun ,command (&rest args)
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"[Arg list not available until function definition is loaded.]
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\(fn ...)"
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\(fn ...)"
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(interactive)
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(if (bound-and-true-p use-package--recursive-autoload)
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(use-package-error
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@ -1258,30 +1311,26 @@ deferred until the prefix key sequence is pressed."
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;; Load the package after a set amount of idle time, if the argument to
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;; `:defer' was a number.
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(when (numberp arg)
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`((run-with-idle-timer ,arg nil #'require ',(use-package-as-symbol name) nil t)))
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`((run-with-idle-timer ,arg nil #'require
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',(use-package-as-symbol name) nil t)))
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;; Since we deferring load, establish any necessary autoloads, and also
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;; keep the byte-compiler happy.
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(apply
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#'nconc
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(mapcar
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#'(lambda (command)
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(when (not (stringp command))
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(append
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`((unless (fboundp ',command)
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;; Here we are checking the marker value set in
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;; `use-package-handler/:ensure' to see if deferred
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;; installation is actually happening. See
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;; `use-package-handler/:defer-install' for more
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;; information.
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,(if (eq (plist-get state :defer-install) :ensure)
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(use-package--autoload-with-deferred-install
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command name)
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`(autoload #',command ,name-string nil t))))
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(when (bound-and-true-p byte-compile-current-file)
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`((eval-when-compile
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(declare-function ,command ,name-string)))))))
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(delete-dups (plist-get state :commands))))
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(cl-mapcan
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#'(lambda (command)
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(when (symbolp command)
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(append
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`((unless (fboundp ',command)
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;; Here we are checking the marker value set in
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;; `use-package-handler/:ensure' to see if deferred
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;; installation is actually happening. See
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;; `use-package-handler/:defer-install' for more information.
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,(if (eq (plist-get state :defer-install) :ensure)
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(use-package--autoload-with-deferred-install command name)
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`(autoload #',command ,name-string nil t))))
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(when (bound-and-true-p byte-compile-current-file)
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`((eval-when-compile
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(declare-function ,command ,name-string)))))))
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(delete-dups (plist-get state :commands)))
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body)))
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@ -1293,11 +1342,10 @@ deferred until the prefix key sequence is pressed."
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(defalias 'use-package-normalize/:after 'use-package-normalize-recursive-symlist)
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(defun use-package-require-after-load
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(features)
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(defun use-package-require-after-load (features)
|
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"Return form for after any of FEATURES require NAME."
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(pcase features
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((and (pred symbolp) feat)
|
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((and (pred use-package--non-nil-symbolp) feat)
|
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`(lambda (body)
|
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(list 'eval-after-load (list 'quote ',feat)
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(list 'quote body))))
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|
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@ -1418,27 +1466,27 @@ deferred until the prefix key sequence is pressed."
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(defun use-package-normalize/:hook (name keyword args)
|
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(use-package-as-one (symbol-name keyword) args
|
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(lambda (label arg)
|
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(unless (or (symbolp arg) (consp arg))
|
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(unless (or (use-package--non-nil-symbolp arg) (consp arg))
|
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(use-package-error
|
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(concat label " a <symbol> or (<symbol or list of symbols> . <symbol or function>)"
|
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" or list of these")))
|
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(use-package-normalize-pairs
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#'(lambda (k)
|
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(or (symbolp k)
|
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(and (listp k)
|
||||
(listp (cdr k))
|
||||
(cl-every #'symbolp k))))
|
||||
#'(lambda (v)
|
||||
(or (symbolp v) (functionp v)))
|
||||
(or (use-package--non-nil-symbolp k)
|
||||
(and k (let ((every t))
|
||||
(while (and every k)
|
||||
(if (and (consp k)
|
||||
(use-package--non-nil-symbolp (car k)))
|
||||
(setq k (cdr k))
|
||||
(setq every nil)))
|
||||
every))))
|
||||
#'use-package--recognize-function
|
||||
name label arg))))
|
||||
|
||||
(defun use-package-handler/:hook (name keyword args rest state)
|
||||
"Generate use-package custom keyword code."
|
||||
(let ((commands (let (funs)
|
||||
(dolist (def args)
|
||||
(if (symbolp (cdr def))
|
||||
(setq funs (cons (cdr def) funs))))
|
||||
(nreverse funs))))
|
||||
(cl-destructuring-bind (nargs . commands)
|
||||
(use-package--normalize-commands args)
|
||||
(use-package-concat
|
||||
(use-package-process-keywords name
|
||||
(if commands
|
||||
|
|
@ -1456,7 +1504,8 @@ deferred until the prefix key sequence is pressed."
|
|||
#'(lambda (sym)
|
||||
`(add-hook (quote ,(intern (format "%s-hook" sym)))
|
||||
(function ,fun)))
|
||||
(if (symbolp syms) (list syms) syms)))) args))))
|
||||
(if (use-package--non-nil-symbolp syms) (list syms) syms))))
|
||||
nargs))))
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;;
|
||||
|
|
@ -1471,7 +1520,7 @@ deferred until the prefix key sequence is pressed."
|
|||
(use-package-error
|
||||
(concat label " a (<symbol> <value> [comment])"
|
||||
" or list of these")))
|
||||
(if (symbolp (car arg))
|
||||
(if (use-package--non-nil-symbolp (car arg))
|
||||
(list arg)
|
||||
arg))))
|
||||
|
||||
|
|
@ -1530,7 +1579,7 @@ deferred until the prefix key sequence is pressed."
|
|||
(cond
|
||||
((not arg)
|
||||
(list (use-package-as-mode name)))
|
||||
((symbolp arg)
|
||||
((use-package--non-nil-symbolp arg)
|
||||
(list arg))
|
||||
((stringp arg)
|
||||
(list (cons (use-package-as-mode name) arg)))
|
||||
|
|
@ -1538,7 +1587,7 @@ deferred until the prefix key sequence is pressed."
|
|||
(list arg))
|
||||
((and (not recursed) (listp arg) (listp (cdr arg)))
|
||||
(mapcar #'(lambda (x) (car (use-package-normalize-diminish
|
||||
name label x t))) arg))
|
||||
name label x t))) arg))
|
||||
(t
|
||||
(use-package-error
|
||||
(concat label " wants a string, symbol, "
|
||||
|
|
@ -1569,7 +1618,8 @@ deferred until the prefix key sequence is pressed."
|
|||
(when (eq :eval (car args))
|
||||
;; Handle likely common mistake.
|
||||
(use-package-error ":delight mode line constructs must be quoted"))
|
||||
(cond ((and (= (length args) 1) (symbolp (car args)))
|
||||
(cond ((and (= (length args) 1)
|
||||
(use-package--non-nil-symbolp (car args)))
|
||||
`(,(nth 0 args) nil ,name))
|
||||
((= (length args) 2)
|
||||
`(,(nth 0 args) ,(nth 1 args) ,name))
|
||||
|
|
@ -1584,7 +1634,7 @@ deferred until the prefix key sequence is pressed."
|
|||
(cond ((null args)
|
||||
`((,(use-package-as-mode name) nil ,name)))
|
||||
((and (= (length args) 1)
|
||||
(symbolp (car args)))
|
||||
(use-package--non-nil-symbolp (car args)))
|
||||
`((,(car args) nil ,name)))
|
||||
((and (= (length args) 1)
|
||||
(stringp (car args)))
|
||||
|
|
@ -1599,7 +1649,9 @@ deferred until the prefix key sequence is pressed."
|
|||
`((,(car args) ,@(cdr (nth 1 args)) ,name)))
|
||||
(t (mapcar
|
||||
(apply-partially #'use-package--normalize-delight-1 name)
|
||||
(if (symbolp (car args)) (list args) args)))))
|
||||
(if (use-package--non-nil-symbolp (car args))
|
||||
(list args)
|
||||
args)))))
|
||||
|
||||
(defun use-package-handler/:delight (name keyword args rest state)
|
||||
(let ((body (use-package-process-keywords name rest state)))
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue