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allow string values in cons for :bind keywords

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It is possible with `bind-key` and `define-key` (and also `bind-chord`
and `key-chord-define`) to define a binding to a string's value, i.e:

``` elisp
(bind-key "C-;" "the ")
(bind-chord "^^" "λ")
```

This adds an option for `(use-package-normalize-pairs)` that allows
string values to be given with the `:bind` (and also `:chord`) keywords
to expand into these definitions.
This commit is contained in:
Justin Talbott 2016-01-08 14:35:17 -05:00
parent 95038f96f1
commit cd867dfe2f
1 changed files with 18 additions and 9 deletions
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27
lisp/use-package/use-package.el
View file

@ -644,8 +644,14 @@ manually updated package."
(and allow-vector (vectorp (car x))))
(symbolp (cdr x))))
(defsubst use-package-is-string-pair (x)
"Return t if X has the type (STRING . STRING)."
(and (consp x)
(stringp (car x))
(stringp (cdr x))))
(defun use-package-normalize-pairs
(name label arg &optional recursed allow-vector)
(name label arg &optional recursed allow-vector allow-string-cdrs)
"Normalize a list of string/symbol pairs."
(cond
((or (stringp arg) (and allow-vector (vectorp arg)))
@ -655,16 +661,18 @@ manually updated package."
((and (not recursed) (listp arg) (listp (cdr arg)))
(mapcar #'(lambda (x)
(let ((ret (use-package-normalize-pairs
name label x t allow-vector)))
name label x t allow-vector allow-string-cdrs)))
(if (listp ret)
(car ret)
ret))) arg))
((and allow-string-cdrs (use-package-is-string-pair arg))
(list arg))
(t arg)))
(defun use-package-normalize-binder (name keyword args)
(use-package-as-one (symbol-name keyword) args
(lambda (label arg)
(use-package-normalize-pairs name label arg nil t))))
(use-package-normalize-pairs name label arg nil t t))))
(defalias 'use-package-normalize/:bind 'use-package-normalize-binder)
(defalias 'use-package-normalize/:bind* 'use-package-normalize-binder)
@ -850,12 +858,13 @@ deferred until the prefix key sequence is pressed."
(apply
#'nconc
(mapcar #'(lambda (command)
(append
`((unless (fboundp ',command)
(autoload #',command ,name-string nil t)))
(when (bound-and-true-p byte-compile-current-file)
`((eval-when-compile
(declare-function ,command ,name-string))))))
(when (not (stringp command))
(append
`((unless (fboundp ',command)
(autoload #',command ,name-string nil t)))
(when (bound-and-true-p byte-compile-current-file)
`((eval-when-compile
(declare-function ,command ,name-string)))))))
(delete-dups (plist-get state :commands))))
body)))