0.7.7.9:

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

diff --git a/src/code/symbol.lisp b/src/code/symbol.lisp
index f2c1c0c..437e199 100644 (file)
--- a/src/code/symbol.lisp
+++ b/src/code/symbol.lisp
@@ -17,78 +17,79 @@
 
 (declaim (maybe-inline get %put getf remprop %putf get-properties keywordp))
 
-(defun symbol-value (variable)
+(defun symbol-value (symbol)
   #!+sb-doc
-  "VARIABLE must evaluate to a symbol. This symbol's current special
-  value is returned."
+  "Return SYMBOL's current bound value."
   (declare (optimize (safety 1)))
-  (symbol-value variable))
+  (symbol-value symbol))
 
-(defun boundp (variable)
+(defun boundp (symbol)
   #!+sb-doc
-  "VARIABLE must evaluate to a symbol. Return NIL if this symbol is
-  unbound, T if it has a value."
-  (boundp variable))
+  "Return non-NIL if SYMBOL is bound to a value."
+  (boundp symbol))
 
-(defun set (variable new-value)
+(defun set (symbol new-value)
   #!+sb-doc
-  "VARIABLE must evaluate to a symbol. This symbol's special value cell is
-  set to the specified new value."
-  (declare (type symbol variable))
-  (about-to-modify variable)
-  (%set-symbol-value variable new-value))
+  "Set SYMBOL's value cell to NEW-VALUE."
+  (declare (type symbol symbol))
+  (about-to-modify-symbol-value symbol)
+  (%set-symbol-value symbol new-value))
 
 (defun %set-symbol-value (symbol new-value)
   (%set-symbol-value symbol new-value))
 
-(defun makunbound (variable)
+(defun makunbound (symbol)
   #!+sb-doc
-  "VARIABLE must evaluate to a symbol. This symbol is made unbound,
-  removing any value it may currently have."
-  (set variable
-       (%primitive sb!c:make-other-immediate-type 0 sb!vm:unbound-marker-type))
-  variable)
-
-#!+(or x86 mips) ;; only backends for which a symbol-hash vop exists
+  "Make SYMBOL unbound, removing any value it may currently have."
+  (set symbol
+       (%primitive sb!c:make-other-immediate-type
+                  0
+                  sb!vm:unbound-marker-widetag))
+  symbol)
+
+;;; Return the built-in hash value for SYMBOL.
+
+;;; only backends for which a SYMBOL-HASH vop exists.  In the past,
+;;; when the MIPS backend supported (or nearly did) a generational
+;;; (non-conservative) garbage collector, this read (OR X86 MIPS).
+;;; Having excised the vestigial support for GENGC, this now only
+;;; applies for the x86 port, but if someone were to rework the GENGC
+;;; support, this might change again.  -- CSR, 2002-08-26
+#!+x86 
 (defun symbol-hash (symbol)
-  #!+sb-doc
-  "Return the built-in hash value for symbol."
   (symbol-hash symbol))
 
-#!-(or x86 mips)
+;;; Compute the hash value for SYMBOL.
+#!-x86
 (defun symbol-hash (symbol)
-  #!+sb-doc
-  "Return the built-in hash value for symbol."
   (%sxhash-simple-string (symbol-name symbol)))
 
-
-(defun symbol-function (variable)
+(defun symbol-function (symbol)
   #!+sb-doc
-  "VARIABLE must evaluate to a symbol. This symbol's current definition
-   is returned. Settable with SETF."
-  (raw-definition variable))
+  "Return SYMBOL's current function definition. Settable with SETF."
+  (%coerce-name-to-fun symbol))
 
-(defun fset (symbol new-value)
+(defun (setf symbol-function) (new-value symbol)
   (declare (type symbol symbol) (type function new-value))
-  (setf (raw-definition symbol) new-value))
+  (setf (%coerce-name-to-fun symbol) new-value))
 
-(defun symbol-plist (variable)
+(defun symbol-plist (symbol)
   #!+sb-doc
-  "Return the property list of a symbol."
-  (symbol-plist variable))
+  "Return SYMBOL's property list."
+  (symbol-plist symbol))
 
 (defun %set-symbol-plist (symbol new-value)
   (setf (symbol-plist symbol) new-value))
 
-(defun symbol-name (variable)
+(defun symbol-name (symbol)
   #!+sb-doc
-  "Return the print name of a symbol."
-  (symbol-name variable))
+  "Return SYMBOL's name as a string."
+  (symbol-name symbol))
 
-(defun symbol-package (variable)
+(defun symbol-package (symbol)
   #!+sb-doc
-  "Return the package a symbol is interned in, or NIL if none."
-  (symbol-package variable))
+  "Return the package SYMBOL was interned in, or NIL if none."
+  (symbol-package symbol))
 
 (defun %set-symbol-package (symbol package)
   (declare (type symbol symbol))
@@ -97,8 +98,7 @@
 (defun make-symbol (string)
   #!+sb-doc
   "Make and return a new symbol with the STRING as its print name."
-  #!-gengc (make-symbol string)
-  #!+gengc (%make-symbol (random most-positive-fixnum) string))
+  (make-symbol string))
 
 (defun get (symbol indicator &optional (default nil))
   #!+sb-doc
@@ -205,7 +205,7 @@
 
 (defun keywordp (object)
   #!+sb-doc
-  "Returns true if Object is a symbol in the keyword package."
+  "Return true if Object is a symbol in the \"KEYWORD\" package."
   (and (symbolp object)
        (eq (symbol-package object) *keyword-package*)))
 \f