;;;; files for more information.
(in-package "SB!IMPL")
-
-(file-comment
- "$Header$")
\f
(declaim (special *read-suppress* *standard-readtable* *bq-vector-flag*))
tree)
(t tree)))
-;;; Sharp-equal works as follows. When a label is assigned (ie when #= is
-;;; called) we GENSYM a symbol is which is used as an unforgeable tag.
-;;; *SHARP-SHARP-ALIST* maps the integer tag to this gensym.
+;;; Sharp-equal works as follows. When a label is assigned (i.e. when
+;;; #= is called) we GENSYM a symbol is which is used as an
+;;; unforgeable tag. *SHARP-SHARP-ALIST* maps the integer tag to this
+;;; gensym.
;;;
-;;; When SHARP-SHARP encounters a reference to a label, it returns the symbol
-;;; assoc'd with the label. Resolution of the reference is deferred until the
-;;; read done by #= finishes. Any already resolved tags (in
-;;; *SHARP-EQUAL-ALIST*) are simply returned.
+;;; When SHARP-SHARP encounters a reference to a label, it returns the
+;;; symbol assoc'd with the label. Resolution of the reference is
+;;; deferred until the read done by #= finishes. Any already resolved
+;;; tags (in *SHARP-EQUAL-ALIST*) are simply returned.
;;;
;;; After reading of the #= form is completed, we add an entry to
-;;; *SHARP-EQUAL-ALIST* that maps the gensym tag to the resolved object. Then
-;;; for each entry in the *SHARP-SHARP-ALIST, the current object is searched
-;;; and any uses of the gensysm token are replaced with the actual value.
+;;; *SHARP-EQUAL-ALIST* that maps the gensym tag to the resolved
+;;; object. Then for each entry in the *SHARP-SHARP-ALIST, the current
+;;; object is searched and any uses of the gensysm token are replaced
+;;; with the actual value.
(defvar *sharp-sharp-alist* ())
(defun sharp-equal (stream ignore label)
(defun sharp-backslash (stream backslash numarg)
(ignore-numarg backslash numarg)
- (unread-char backslash stream)
- (let* ((*readtable* *standard-readtable*)
- (charstring (read-extended-token stream)))
+ (let ((charstring (read-extended-token-escaped stream)))
(declare (simple-string charstring))
(cond (*read-suppress* nil)
((= (the fixnum (length charstring)) 1)
(char charstring 0))
((name-char charstring))
(t
- (%reader-error stream
- "unrecognized character name: ~S"
+ (%reader-error stream "unrecognized character name: ~S"
charstring)))))
(defun sharp-vertical-bar (stream sub-char numarg)