(in-package "SB!IMPL")
(sb!xc:deftype attribute-table ()
- '(simple-array (unsigned-byte 8) (#.char-code-limit)))
+ '(simple-array (unsigned-byte 8) (#.sb!xc:char-code-limit)))
;;; constants for readtable character attributes. These are all as in
;;; the manual.
-(defconstant +char-attr-whitespace+ 0)
-(defconstant +char-attr-terminating-macro+ 1)
-(defconstant +char-attr-escape+ 2)
-(defconstant +char-attr-constituent+ 3)
-(defconstant +char-attr-constituent-dot+ 4)
-(defconstant +char-attr-constituent-expt+ 5)
-(defconstant +char-attr-constituent-slash+ 6)
-(defconstant +char-attr-constituent-digit+ 7)
-(defconstant +char-attr-constituent-sign+ 8)
-;; the "9" entry intentionally left blank for some reason -- WHN 19990806
-(defconstant +char-attr-multiple-escape+ 10)
-(defconstant +char-attr-package-delimiter+ 11)
-(defconstant +char-attr-delimiter+ 12) ; (a fake for READ-UNQUALIFIED-TOKEN)
+(def!constant +char-attr-whitespace+ 0)
+(def!constant +char-attr-terminating-macro+ 1)
+(def!constant +char-attr-escape+ 2)
+(def!constant +char-attr-constituent+ 3)
+(def!constant +char-attr-constituent-dot+ 4)
+(def!constant +char-attr-constituent-expt+ 5)
+(def!constant +char-attr-constituent-slash+ 6)
+(def!constant +char-attr-constituent-digit+ 7)
+(def!constant +char-attr-constituent-sign+ 8)
+;;; the following two are not static but depend on *READ-BASE*.
+;;; DECIMAL-DIGIT is for characters being digits in base 10 but not in
+;;; base *READ-BASE* (which is therefore perforce smaller than 10);
+;;; DIGIT-OR-EXPT is for characters being both exponent markers and
+;;; digits in base *READ-BASE* (which is therefore perforce larger
+;;; than 10). -- CSR, 2004-03-16
+(def!constant +char-attr-constituent-decimal-digit+ 9)
+(def!constant +char-attr-constituent-digit-or-expt+ 10)
+
+(def!constant +char-attr-multiple-escape+ 11)
+(def!constant +char-attr-package-delimiter+ 12)
+(def!constant +char-attr-delimiter+ 13) ; (a fake for READ-UNQUALIFIED-TOKEN)
(sb!xc:defstruct (readtable (:conc-name nil)
- (:predicate readtablep))
+ (:predicate readtablep)
+ ;; ANSI requires a CL:COPY-READTABLE to do
+ ;; a deep copy, so the DEFSTRUCT-generated
+ ;; default is not suitable.
+ (:copier nil))
#!+sb-doc
"A READTABLE is a data structure that maps characters into syntax
types for the Common Lisp expression reader."
;; in the character attribute table by having different varieties of
;; constituents.
(character-attribute-table
- (make-array char-code-limit
+ (make-array sb!xc:char-code-limit
:element-type '(unsigned-byte 8)
:initial-element +char-attr-constituent+)
:type attribute-table)
;; implement user-defined read-macros, system read-macros, and the
;; number-symbol reader.
(character-macro-table
- (make-array char-code-limit :initial-element #'undefined-macro-char)
- :type (simple-vector #.char-code-limit))
+ (make-array sb!xc:char-code-limit :initial-element #'undefined-macro-char)
+ :type (simple-vector #.sb!xc:char-code-limit))
;; an alist from dispatch characters to vectors of CHAR-CODE-LIMIT
;; functions, for use in defining dispatching macros (like #-macro)
(dispatch-tables () :type list)