Optimize special variable binding on sb-thread.

[sbcl.git] / src / code / pprint.lisp

diff --git a/src/code/pprint.lisp b/src/code/pprint.lisp
index f499bfb..24e7d97 100644 (file)
--- a/src/code/pprint.lisp
+++ b/src/code/pprint.lisp
@@ -75,12 +75,12 @@
   ;; Buffer holding the per-line prefix active at the buffer start.
   ;; Indentation is included in this. The length of this is stored
   ;; in the logical block stack.
-  (prefix (make-string initial-buffer-size) :type simple-string)
+  (prefix (make-string initial-buffer-size) :type (simple-array character (*)))
   ;; Buffer holding the total remaining suffix active at the buffer start.
   ;; The characters are right-justified in the buffer to make it easier
   ;; to output the buffer. The length is stored in the logical block
   ;; stack.
-  (suffix (make-string initial-buffer-size) :type simple-string)
+  (suffix (make-string initial-buffer-size) :type (simple-array character (*)))
   ;; Queue of pending operations. When empty, HEAD=TAIL=NIL. Otherwise,
   ;; TAIL holds the first (oldest) cons and HEAD holds the last (newest)
   ;; cons. Adding things to the queue is basically (setf (cdr head) (list
@@ -1142,7 +1142,8 @@ line break."
            (consp (cdr list))
            (cddr list)
            ;; Filter out (FLET FOO :IN BAR) names.
-           (not (eq :in (third list))))
+           (and (consp (cddr list))
+                (not (eq :in (third list)))))
       (funcall (formatter
                 "~:<~^~W~^ ~@_~:<~@{~:<~^~W~^~3I ~:_~/SB!PRETTY:PPRINT-LAMBDA-LIST/~1I~:@_~@{~W~^ ~_~}~:>~^ ~_~}~:>~1I~@:_~@{~W~^ ~_~}~:>")
                stream
@@ -1217,6 +1218,8 @@ line break."
     (output-object (pprint-pop) stream)
     (pprint-exit-if-list-exhausted)
     (write-char #\space stream)
+    (unless (listp (cdr list))
+      (write-string ". " stream))
     (pprint-newline :miser stream)
     (pprint-logical-block (stream (cdr list) :prefix "" :suffix "")
       (loop
@@ -1266,7 +1269,9 @@ line break."
 
 (defun pprint-defmethod (stream list &rest noise)
   (declare (ignore noise))
-  (if (consp (third list))
+  (if (and (consp (cdr list))
+           (consp (cddr list))
+           (consp (third list)))
       (pprint-defun stream list)
       (funcall (formatter
                 "~:<~^~W~^ ~@_~:I~W~^ ~W~^ ~:_~/SB!PRETTY:PPRINT-LAMBDA-LIST/~1I~@{ ~_~W~}~:>")
@@ -1373,7 +1378,7 @@ line break."
   (declare (ignore noise))
   (destructuring-bind (loop-symbol . clauses) list
     (declare (ignore loop-symbol))
-    (if (or (null clauses) (consp (car clauses)))
+    (if (or (atom clauses) (consp (car clauses)))
         (pprint-spread-fun-call stream list)
         (pprint-extended-loop stream list))))