X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Ffndb.lisp;h=459a09e255ebc0fd10dbe0e910a6069ca3ab28bb;hb=4fc9d21ae1d8a6a2f8ff70f589d5da103203de13;hp=9cb9f3b8173d716943e9c155827f931b0331e82b;hpb=c9c0e648c51317ff374851c4fcc740a15d37acae;p=sbcl.git

diff --git a/src/compiler/fndb.lisp b/src/compiler/fndb.lisp
index 9cb9f3b..459a09e 100644
--- a/src/compiler/fndb.lisp
+++ b/src/compiler/fndb.lisp
@@ -12,9 +12,6 @@
 ;;;; files for more information.
 
 (in-package "SB!C")
-
-(file-comment
-  "$Header$")
 
 ;;;; information for known functions:
 
@@ -35,6 +32,8 @@
   ;;	       lets us preserve distinctions which might not even exist
   ;;           on the cross-compilation host (because ANSI doesn't
   ;;	       guarantee that specialized array types exist there).
+  ;; FIXME: It's actually not clear that COERCE on non-NUMBER types
+  ;; is FOLDABLE at all. Check this.
   (movable #-sb-xc-host foldable)
   :derive-type (result-type-specifier-nth-arg 2))
 (defknown list-to-simple-string* (list) simple-string)
@@ -185,7 +184,7 @@
 (defknown make-package (stringable &key
 				   (:use list)
 				   (:nicknames list)
-				   ;; ### Extensions...
+				   ;; ### extensions...
 				   (:internal-symbols index)
 				   (:external-symbols index))
   sb!xc:package)
@@ -210,8 +209,10 @@
 (defknown unintern (symbol &optional package-designator) boolean)
 (defknown unexport (symbols &optional package-designator) (eql t))
 (defknown shadowing-import (symbols &optional package-designator) (eql t))
-(defknown shadow ((or symbol string list) &optional package-designator) (eql t))
-(defknown (use-package unuse-package) ((or list package-designator) &optional package-designator) (eql t))
+(defknown shadow ((or symbol string list) &optional package-designator)
+  (eql t))
+(defknown (use-package unuse-package)
+  ((or list package-designator) &optional package-designator) (eql t))
 (defknown find-all-symbols (stringable) list (flushable))
 
 ;;;; from the "Numbers" chapter:
@@ -361,7 +362,8 @@
 (defknown lognot (integer) integer (movable foldable flushable explicit-check))
 (defknown logtest (integer integer) boolean (movable foldable flushable))
 (defknown logbitp (bit-index integer) boolean (movable foldable flushable))
-(defknown ash (integer integer) integer (movable foldable flushable explicit-check))
+(defknown ash (integer integer) integer
+  (movable foldable flushable explicit-check))
 (defknown (logcount integer-length) (integer) bit-index
   (movable foldable flushable explicit-check))
 ;;; FIXME: According to the ANSI spec, it's legal to use any
@@ -450,7 +452,8 @@
   (flushable)
   :derive-type (result-type-specifier-nth-arg 1))
 
-(defknown (map %map) (type-specifier callable sequence &rest sequence) consed-sequence
+(defknown (map %map) (type-specifier callable sequence &rest sequence)
+  consed-sequence
   (flushable call)
 ; :DERIVE-TYPE 'TYPE-SPEC-ARG1 ? Nope... (MAP NIL ...) returns NULL, not NIL.
   )
@@ -556,21 +559,22 @@
   :derive-type (sequence-result-nth-arg 3))
 
 (defknown remove-duplicates
-  (sequence &key (:test callable) (:test-not callable) (:start index) (:from-end t)
-	    (:end sequence-end) (:key callable))
+  (sequence &key (:test callable) (:test-not callable) (:start index)
+	    (:from-end t) (:end sequence-end) (:key callable))
   consed-sequence
   (flushable call)
   :derive-type (sequence-result-nth-arg 1))
 
 (defknown delete-duplicates
-  (sequence &key (:test callable) (:test-not callable) (:start index) (:from-end t)
-	    (:end sequence-end) (:key callable))
+  (sequence &key (:test callable) (:test-not callable) (:start index)
+	    (:from-end t) (:end sequence-end) (:key callable))
   sequence
   (flushable call)
   :derive-type (sequence-result-nth-arg 1))
 
 (defknown find (t sequence &key (:test callable) (:test-not callable)
-		  (:start index) (:from-end t) (:end sequence-end) (:key callable))
+		  (:start index) (:from-end t) (:end sequence-end)
+		  (:key callable))
   t
   (foldable flushable call))
 
@@ -606,7 +610,8 @@
 
 (defknown (mismatch search)
   (sequence sequence &key (:from-end t) (:test callable) (:test-not callable)
-	    (:start1 index) (:end1 sequence-end) (:start2 index) (:end2 sequence-end)
+	    (:start1 index) (:end1 sequence-end)
+	    (:start2 index) (:end2 sequence-end)
 	    (:key callable))
   (or index null)
   (foldable flushable call))
@@ -662,7 +667,8 @@
 (defknown make-list (index &key (:initial-element t)) list
   (movable flushable unsafe))
 
-;;; All but last must be list...
+;;; All but last must be of type LIST, but there seems to be no way to
+;;; express that in this syntax..
 (defknown append (&rest t) t (flushable))
 
 (defknown copy-list (list) list (flushable))
@@ -701,17 +707,17 @@
   list (foldable flushable unsafe call))
 
 (defknown (union intersection set-difference set-exclusive-or)
-	  (list list &key (:key callable) (:test callable) (:test-not callable))
+  (list list &key (:key callable) (:test callable) (:test-not callable))
   list
   (foldable flushable call))
 
 (defknown (nunion nintersection nset-difference nset-exclusive-or)
-	  (list list &key (:key callable) (:test callable) (:test-not callable))
+  (list list &key (:key callable) (:test callable) (:test-not callable))
   list
   (foldable flushable call))
 
 (defknown subsetp
-	  (list list &key (:key callable) (:test callable) (:test-not callable))
+  (list list &key (:key callable) (:test callable) (:test-not callable))
   boolean
   (foldable flushable call))
 
@@ -738,17 +744,17 @@
   (flushable unsafe))
 (defknown hash-table-p (t) boolean (movable foldable flushable))
 (defknown gethash (t hash-table &optional t) (values t boolean)
-  (foldable flushable unsafe))
+  (flushable unsafe)) ; not FOLDABLE, since hash table contents can change
 (defknown %puthash (t hash-table t) t (unsafe))
 (defknown remhash (t hash-table) boolean ())
-(defknown maphash (callable hash-table) null (foldable flushable call))
+(defknown maphash (callable hash-table) null (flushable call))
 (defknown clrhash (hash-table) hash-table ())
-(defknown hash-table-count (hash-table) index (foldable flushable))
+(defknown hash-table-count (hash-table) index (flushable))
 (defknown hash-table-rehash-size (hash-table) (or (integer 1) (float (1.0)))
   (foldable flushable))
 (defknown hash-table-rehash-threshold (hash-table) (real 0 1)
   (foldable flushable))
-(defknown hash-table-size (hash-table) index (foldable flushable))
+(defknown hash-table-size (hash-table) index (flushable))
 (defknown hash-table-test (hash-table) symbol (foldable flushable))
 (defknown sxhash (t) (integer 0 #.sb!vm:*target-most-positive-fixnum*)
   (foldable flushable))
@@ -799,7 +805,8 @@
   (foldable)
   #|:derive-type #'result-type-last-arg|#)
 
-(defknown array-has-fill-pointer-p (array) boolean (movable foldable flushable))
+(defknown array-has-fill-pointer-p (array) boolean
+  (movable foldable flushable))
 (defknown fill-pointer (vector) index (foldable flushable))
 (defknown vector-push (t vector) (or index null) ())
 (defknown vector-push-extend (t vector &optional index) index ())
@@ -877,22 +884,25 @@
 (defknown make-concatenated-stream (&rest stream) stream (flushable))
 (defknown make-two-way-stream (stream stream) stream (flushable))
 (defknown make-echo-stream (stream stream) stream (flushable))
-(defknown make-string-input-stream (string &optional index index) stream (flushable unsafe))
+(defknown make-string-input-stream (string &optional index index) stream
+  (flushable unsafe))
 (defknown make-string-output-stream () stream (flushable))
 (defknown get-output-stream-string (stream) simple-string ())
 (defknown streamp (t) boolean (movable foldable flushable))
-(defknown stream-element-type (stream) type-specifier (movable foldable flushable))
-(defknown (output-stream-p input-stream-p) (stream) boolean (movable foldable
-								     flushable))
+(defknown stream-element-type (stream) type-specifier
+  (movable foldable flushable))
+(defknown (output-stream-p input-stream-p) (stream) boolean
+  (movable foldable flushable))
 (defknown close (stream &key (:abort t)) stream ())
 
 ;;;; from the "Input/Output" chapter:
 
-;;; The I/O functions are currently given effects ANY under the theory
-;;; that code motion over I/O operations is particularly confusing and
-;;; not very important for efficency.
+;;; (The I/O functions are given effects ANY under the theory that
+;;; code motion over I/O operations is particularly confusing and not
+;;; very important for efficiency.)
 
-(defknown copy-readtable (&optional (or readtable null) readtable) readtable
+(defknown copy-readtable (&optional (or readtable null) (or readtable null))
+  readtable
   ())
 (defknown readtablep (t) boolean (movable foldable flushable))
 
@@ -900,9 +910,10 @@
   (character character &optional (or readtable null) readtable) (eql t)
   ())
 
-(defknown set-macro-character (character callable &optional t readtable) (eql t)
+(defknown set-macro-character (character callable &optional t readtable)
+  (eql t)
   (unsafe))
-(defknown get-macro-character (character &optional readtable)
+(defknown get-macro-character (character &optional (or readtable null))
   (values callable boolean) (flushable))
 
 (defknown make-dispatch-macro-character (character &optional t readtable)
@@ -911,12 +922,12 @@
   (character character callable &optional readtable) (eql t)
   (unsafe))
 (defknown get-dispatch-macro-character
-  (character character &optional readtable) callable
+  (character character &optional (or readtable null)) callable
   (flushable))
 
 ;;; may return any type due to eof-value...
 (defknown (read read-preserving-whitespace read-char-no-hang read-char)
-  (&optional streamlike t t t) t  (explicit-check))
+  (&optional streamlike t t t) t (explicit-check))
 
 (defknown read-delimited-list (character &optional streamlike t) t
   (explicit-check))
@@ -1012,9 +1023,9 @@
 
 ;;;; from the "File System Interface" chapter:
 
-;;; No pathname functions are foldable because they all potentially
+;;; (No pathname functions are FOLDABLE because they all potentially
 ;;; depend on *DEFAULT-PATHNAME-DEFAULTS*, e.g. to provide a default
-;;; host when parsing a namestring.
+;;; host when parsing a namestring.)
 
 (defknown wild-pathname-p (pathname-designator
 			   &optional
@@ -1031,14 +1042,18 @@
   pathname
   (flushable))
 
-;;; KLUDGE: There was a comment from CMU CL here, "We need to add the
-;;; logical pathname stuff here." -- WHN 19991213
+(defknown logical-pathname (pathname-designator) logical-pathname ())
+(defknown translate-logical-pathname (pathname-designator &key) pathname ())
+(defknown load-logical-pathname-translations (string) t ())
+(defknown logical-pathname-translations (logical-host-designator) list ())
 
 (defknown pathname (pathname-designator) pathname (flushable))
 (defknown truename (pathname-designator) pathname ())
 
 (defknown parse-namestring
-  (pathname-designator &optional pathname-host pathname-designator
+  (pathname-designator &optional
+                       (or list host string (member :unspecific))
+                       pathname-designator
 		       &key
 		       (:start index)
 		       (:end sequence-end)
@@ -1222,8 +1237,7 @@
 (defknown identity (t) t (movable foldable flushable unsafe)
   :derive-type #'result-type-first-arg)
 
-;;; &OPTIONAL is to agree with the optimization in the interpreter stub.
-(defknown constantly (t &optional t t &rest t) function (movable flushable))
+(defknown constantly (t) function (movable flushable))
 (defknown complement (function) function (movable flushable))
 
 ;;;; magical compiler frobs
@@ -1263,9 +1277,11 @@
   (movable foldable flushable explicit-check))
 (defknown %negate (number) number (movable foldable flushable explicit-check))
 (defknown %check-bound (array index fixnum) index (movable foldable flushable))
-(defknown data-vector-ref (simple-array index) t (foldable flushable explicit-check))
+(defknown data-vector-ref (simple-array index) t
+  (foldable flushable explicit-check))
 (defknown data-vector-set (array index t) t (unsafe explicit-check))
-(defknown hairy-data-vector-ref (array index) t (foldable flushable explicit-check))
+(defknown hairy-data-vector-ref (array index) t
+  (foldable flushable explicit-check))
 (defknown hairy-data-vector-set (array index t) t (unsafe explicit-check))
 (defknown sb!kernel:%caller-frame-and-pc () (values t t) (flushable))
 (defknown sb!kernel:%with-array-data (array index (or index null))
@@ -1280,8 +1296,7 @@
 ;;; describing the actual function called.
 ;;;
 ;;; FIXME: It would be nice to make structure slot accessors be
-;;; ordinary functions (proclaimed as SB-EXT:CONSTANT-FUNCTION, but
-;;; otherwise ordinary).
+;;; ordinary functions.
 (defknown %slot-accessor (t) t (flushable))
 (defknown %slot-setter (t t) t (unsafe))