(:predicate propertyp)
(:conc-name p-)
(:constructor %make-property
- (name value
- &key type location seenp
- &aux (key (property-key name)) (%type type))))
+ (name value
+ &key type location seenp
+ &aux (key (property-key name)) (%type type))))
"A simple structure for holding a property in a property set.
The main useful feature is the ability to tick off properties which have
(export 'decode-property)
(defgeneric decode-property (raw)
(:documentation "Decode a RAW value into a TYPE, VALUE pair.")
- (:method ((raw symbol)) (values :symbol raw))
- (:method ((raw integer)) (values :int raw))
- (:method ((raw string)) (values :string raw))
- (:method ((raw character)) (values :char raw))
(:method ((raw property)) (values (p-type raw) (p-value raw)))
- (:method ((raw cons)) (values (car raw) (cdr raw)))
- (:method ((raw function)) (values :func raw))
- (:method ((raw c-type)) (values :type raw)))
+ (:method ((raw cons)) (values (car raw) (cdr raw))))
(export 'make-property)
(defun make-property (name raw-value &key type location seenp)
;; say it didn't work.
(:method (value type wanted)
(if (eql type wanted) value
- (error "Incorrect type: expected ~A but found ~A" wanted type)))
+ (error "Incorrect type: expected ~(~A~) but found ~(~A~)"
+ wanted type)))
- ;; If the caller asks for type T then give him the raw thing.
+ ;; If the caller asks for type T then give them the raw thing.
(:method (value type (wanted (eql t)))
(declare (ignore type))
value))