X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fdefpackage.lisp;h=ab297791b12fa1cd28951fc2d26239eac5facb6b;hb=98a76d4426660876dec6649b1e228d2e5b47f579;hp=b087dca4aa7e3a4b3924f0aa5dcfc8b88c624757;hpb=a530bbe337109d898d5b4a001fc8f1afa3b5dc39;p=sbcl.git

diff --git a/src/code/defpackage.lisp b/src/code/defpackage.lisp
index b087dca..ab29779 100644
--- a/src/code/defpackage.lisp
+++ b/src/code/defpackage.lisp
@@ -11,8 +11,21 @@
 
 (in-package "SB!IMPL")
 
-(file-comment
- "$Header$")
+;;; the list of packages to use by default when no :USE argument is
+;;; supplied to MAKE-PACKAGE or other package creation forms
+;;;
+;;; ANSI specifies (1) that MAKE-PACKAGE and DEFPACKAGE use the same
+;;; value, and (2) that it (as an implementation-defined value) should
+;;; be documented, which we do in the doc string. So for OAOO reasons
+;;; we represent this value as a variable only at compile time, and
+;;; then use #. readmacro hacks to splice it into the target code as a
+;;; constant.
+(eval-when (:compile-toplevel)
+  (defparameter *default-package-use-list*
+    ;; ANSI says this is implementation-defined. So we make it NIL,
+    ;; the way God intended. Anyone who actually wants a random value
+    ;; is free to :USE (PACKAGE-USE-LIST :CL-USER) anyway.:-|
+    nil))
 
 (defmacro defpackage (package &rest options)
   #!+sb-doc
@@ -40,7 +53,7 @@
 	(doc nil))
     (dolist (option options)
       (unless (consp option)
-	(error 'program-error
+	(error 'simple-program-error
 	       :format-control "bogus DEFPACKAGE option: ~S"
 	       :format-arguments (list option)))
       (case (car option)
@@ -48,14 +61,14 @@
 	 (setf nicknames (stringify-names (cdr option) "package")))
 	(:size
 	 (cond (size
-		(error 'program-error
+		(error 'simple-program-error
 		       :format-control "can't specify :SIZE twice."))
 	       ((and (consp (cdr option))
 		     (typep (second option) 'unsigned-byte))
 		(setf size (second option)))
 	       (t
 		(error
-		 'program-error
+		 'simple-program-error
 		 :format-control ":SIZE is not a positive integer: ~S"
 		 :format-arguments (list (second option))))))
 	(:shadow
@@ -89,11 +102,11 @@
 	   (setf exports (append exports new))))
 	(:documentation
 	 (when doc
-	   (error 'program-error
+	   (error 'simple-program-error
 		  :format-control "multiple :DOCUMENTATION options"))
 	 (setf doc (coerce (second option) 'simple-string)))
 	(t
-	 (error 'program-error
+	 (error 'simple-program-error
 		:format-control "bogus DEFPACKAGE option: ~S"
 		:format-arguments (list option)))))
     (check-disjoint `(:intern ,@interns) `(:export  ,@exports))
@@ -116,7 +129,7 @@
       with x = (car list)
       for y in (rest list)
       for z = (remove-duplicates (intersection (cdr x)(cdr y) :test #'string=))
-      when z do (error 'program-error
+      when z do (error 'simple-program-error
 		       :format-control "Parameters ~S and ~S must be disjoint ~
 					but have common elements ~%   ~S"
 		       :format-arguments (list (car x)(car y) z)))))
@@ -131,8 +144,8 @@
      (error "bogus ~A name: ~S" kind name))))
 
 (defun stringify-names (names kind)
-  (mapcar #'(lambda (name)
-	      (stringify-name name kind))
+  (mapcar (lambda (name)
+	    (stringify-name name kind))
 	  names))
 
 (defun %defpackage (name nicknames size shadows shadowing-imports
@@ -145,7 +158,7 @@
   (let ((package (or (find-package name)
 		     (progn
 		       (when (eq use :default)
-			 (setf use *default-package-use-list*))
+			 (setf use '#.*default-package-use-list*))
 		       (make-package name
 				     :use nil
 				     :internal-symbols (or size 10)
@@ -193,7 +206,7 @@
 		  package))))
     ;; Handle exports.
     (let ((old-exports nil)
-	  (exports (mapcar #'(lambda (sym-name) (intern sym-name package))
+	  (exports (mapcar (lambda (sym-name) (intern sym-name package))
 			   exports)))
       (do-external-symbols (sym package)
 	(push sym old-exports))