(setq c-fallback-style (cons (cons name val) c-fallback-style)))
(defmacro defcustom-c-stylevar (name val doc &rest args)
- "Define a style variable NAME with VAL and DOC.
-More precisely, convert the given `:type FOO', mined out of ARGS,
-to an aggregate `:type (radio STYLE (PREAMBLE FOO))', append some
-some boilerplate documentation to DOC, arrange for the fallback
-value of NAME to be VAL, and call `custom-declare-variable' to
-do the rest of the work.
-
-STYLE stands for the choice where the value is taken from some
-style setting. PREAMBLE is optionally prepended to FOO; that is,
-if FOO contains :tag or :value, the respective two-element list
-component is ignored."
- (declare (debug (symbolp form stringp &rest)))
- (let* ((expanded-doc (concat doc "
+ "Defines a style variable."
+ `(let ((-value- ,val))
+ (c-set-stylevar-fallback ',name -value-)
+ (custom-declare-variable
+ ',name ''set-from-style
+ ,(concat doc "
This is a style variable. Apart from the valid values described
-above, it can be set to the symbol `set-from-style'. In that case,
-it takes its value from the style system (see `c-default-style' and
+above, it can be set to the symbol `set-from-style'. In that case, it
+takes its value from the style system (see `c-default-style' and
`c-style-alist') when a CC Mode buffer is initialized. Otherwise,
the value set here overrides the style system (there is a variable
-`c-old-style-variable-behavior' that changes this, though)."))
- (typ (eval (plist-get args :type)))
- (type (if (consp typ) typ (list typ)))
- (head (car type))
- (tail (cdr type))
- (newt (append (unless (plist-get tail :tag)
- '(:tag "Override style settings"))
- (unless (plist-get tail :value)
- `(:value ,val))
- tail))
- (aggregate `'(radio
- (const :tag "Use style settings" set-from-style)
- ,(cons head newt))))
- `(progn
- (c-set-stylevar-fallback ',name ,val)
- (custom-declare-variable
- ',name ''set-from-style
- ,expanded-doc
- ,@(plist-put args :type aggregate)))))
+`c-old-style-variable-behavior' that changes this, though).")
+ ,@(plist-put
+ args ':type
+ `(` (radio
+ (const :tag "Use style settings"
+ set-from-style)
+ ,(, (let ((type (eval (plist-get args ':type))))
+ (unless (consp type)
+ (setq type (list type)))
+ (unless (c-safe (plist-get (cdr type) ':value))
+ (setcdr type (append '(:value (, -value-))
+ (cdr type))))
+ (unless (c-safe (plist-get (cdr type) ':tag))
+ (setcdr type (append '(:tag "Override style settings")
+ (cdr type))))
+ (bq-process type)))))))))
(defun c-valid-offset (offset)
"Return non-nil if OFFSET is a valid offset for a syntactic symbol.