X-Git-Url: https://git.distorted.org.uk/~mdw/sod/blobdiff_plain/fc09e191754e82d26723b7c6cbf3bfc24fedbf44..ced609b8c5cc865f25cf5cce91a3d7dc9c85bdee:/src/c-types-proto.lisp

diff --git a/src/c-types-proto.lisp b/src/c-types-proto.lisp
index 7134962..9fe6126 100644
--- a/src/c-types-proto.lisp
+++ b/src/c-types-proto.lisp
@@ -7,7 +7,7 @@
 
 ;;;----- Licensing notice ---------------------------------------------------
 ;;;
-;;; This file is part of the Sensble Object Design, an object system for C.
+;;; This file is part of the Sensible Object Design, an object system for C.
 ;;;
 ;;; SOD is free software; you can redistribute it and/or modify
 ;;; it under the terms of the GNU General Public License as published by
@@ -197,7 +197,7 @@
        ',aliases)))
 
 (export 'defctype)
-(defmacro defctype (names value)
+(defmacro defctype (names value &key export)
   "Define NAMES all to describe the C-type VALUE.
 
    NAMES can be a symbol (treated as a singleton list), or a list of symbols.
@@ -207,6 +207,8 @@
 	 (namevar (gensym "NAME"))
 	 (typevar (symbolicate 'c-type- (car names))))
     `(progn
+       ,@(and export
+	      `((export '(,typevar ,@names))))
        (defparameter ,typevar ,(expand-c-type-spec value))
        (eval-when (:compile-toplevel :load-toplevel :execute)
 	 ,@(mapcar (lambda (name)
@@ -238,14 +240,16 @@
 ;;;--------------------------------------------------------------------------
 ;;; Function arguments.
 
-(export '(argument argumentp make-argument argument-name argument-type))
-(defstruct (argument (:constructor make-argument (name type
+(export '(argument argumentp make-argument
+	  argument-name argument-type argument-default))
+(defstruct (argument (:constructor make-argument (name type &optional default
 						  &aux (%type type)))
 		     (:predicate argumentp))
   "Simple structure representing a function argument."
-  name
-  %type)
-(define-access-wrapper argument-type argument-%type)
+  (name nil :type t :read-only t)
+  (%type nil :type c-type :read-only t)
+  (default nil :type t :read-only t))
+(define-access-wrapper argument-type argument-%type :read-only t)
 
 (export 'commentify-argument-name)
 (defgeneric commentify-argument-name (name)