\f
;;;; standard types
+;;; also has a definition in src/code/class.lisp, but we need it
+;;; earlier for array specialization.
+(sb!xc:deftype fixnum ()
+ '(integer #.sb!xc:most-negative-fixnum #.sb!xc:most-positive-fixnum))
+
(sb!xc:deftype boolean () '(member t nil))
(sb!xc:deftype mod (n)
`(simple-array base-char (,size)))
(sb!xc:deftype string (&optional size)
`(or (array character (,size))
- (base-string ,size)))
+ (array nil (,size))
+ (base-string ,size)))
(sb!xc:deftype simple-string (&optional size)
`(or (simple-array character (,size))
- (simple-base-string ,size)))
+ (simple-array nil (,size))
+ (simple-base-string ,size)))
(sb!xc:deftype bit-vector (&optional size)
`(array bit (,size)))
;;;; some private types that we use in defining the standard functions,
;;;; or implementing declarations in standard compiler transforms
-;;; a type specifier
-(sb!xc:deftype type-specifier () '(or list symbol sb!xc:class))
+;;; semistandard types
+(sb!xc:deftype generalized-boolean () t)
;;; array rank, total size...
(sb!xc:deftype array-rank () `(integer 0 (,sb!xc:array-rank-limit)))
;;; legal args to pathname functions
(sb!xc:deftype pathname-designator ()
- '(or string pathname stream))
+ '(or string pathname #+sb-xc-host stream #-sb-xc-host file-stream))
(sb!xc:deftype logical-host-designator ()
'(or host string))
;;; the :END arg to a sequence
(sb!xc:deftype sequence-end () '(or null index))
+;;; the :COUNT arg to a sequence
+(sb!xc:deftype sequence-count ()
+ `(or null integer))
+
;;; a valid argument to a stream function
;;;
;;; FIXME: should probably be STREAM-DESIGNATOR, after the term
;;; used in the ANSI spec (if this is in fact exactly the same thing)
(sb!xc:deftype streamlike () '(or stream (member nil t)))
+;;; an object suitable for input to standard functions that accept
+;;; "environment objects" (of the ANSI glossary)
+(sb!xc:deftype lexenv-designator () '(or lexenv null))
+
;;; a thing that can be passed to FUNCALL & friends
;;;
;;; FIXME: should be FUNCTION-DESIGNATOR?