X-Git-Url: https://git.distorted.org.uk/~mdw/sod/blobdiff_plain/3dca7758421664a838c54b273bd9221f02072045..8d3d1674f1a0b1dabd5877dcb0bd503fe2bcc1d9:/src/c-types-proto.lisp

diff --git a/src/c-types-proto.lisp b/src/c-types-proto.lisp
index b9b61bf..c8aa72e 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
@@ -152,13 +152,11 @@
 (export '(expand-c-type-spec expand-c-type-form))
 (eval-when (:compile-toplevel :load-toplevel :execute)
   (defgeneric expand-c-type-spec (spec)
-    (:documentation
-     "Expand SPEC into Lisp code to construct a C type.")
+    (:documentation "Expand SPEC into Lisp code to construct a C type.")
     (:method ((spec list))
       (expand-c-type-form (car spec) (cdr spec))))
   (defgeneric expand-c-type-form (head tail)
-    (:documentation
-     "Expand a C type list beginning with HEAD.")
+    (:documentation "Expand a C type list beginning with HEAD.")
     (:method ((name (eql 'lisp)) tail)
       `(progn ,@tail))))
 
@@ -168,12 +166,12 @@
   (expand-c-type-spec spec))
 
 (export 'define-c-type-syntax)
-(defmacro define-c-type-syntax (name bvl &rest body)
+(defmacro define-c-type-syntax (name bvl &body body)
   "Define a C-type syntax function.
 
    A function defined by BODY and with lambda-list BVL is associated with the
-   NAME.  When `expand-c-type' sees a list (NAME . STUFF), it will call this
-   function with the argument list STUFF."
+   NAME.  When `expand-c-type-spec' sees a list (NAME . STUFF), it will call
+   this function with the argument list STUFF."
   (with-gensyms (head tail)
     (multiple-value-bind (doc decls body) (parse-body body)
       `(eval-when (:compile-toplevel :load-toplevel :execute)
@@ -181,7 +179,7 @@
 	   ,@doc
 	   (destructuring-bind ,bvl ,tail
 	     ,@decls
-	     ,@body))
+	     (block ,name ,@body)))
 	 ',name))))
 
 (export 'c-type-alias)
@@ -197,16 +195,18 @@
        ',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.
-   The VALUE is a C type S-expression, acceptable to `expand-c-type'.  It
-   will be expanded once at run-time."
+   The VALUE is a C type S-expression, acceptable to `expand-c-type-spec'.
+   It will be expanded once at run-time."
   (let* ((names (if (listp names) names (list names)))
 	 (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)
@@ -243,9 +243,9 @@
 						  &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))
+(define-access-wrapper argument-type argument-%type :read-only t)
 
 (export 'commentify-argument-name)
 (defgeneric commentify-argument-name (name)
@@ -253,7 +253,7 @@
    "Produce a `commentified' version of the argument.
 
    The default behaviour is that temporary argument names are simply omitted
-   (NIL is returned); otherwise, `/*...*/' markers are wrapped around the
+   (nil is returned); otherwise, `/*...*/' markers are wrapped around the
    printable representation of the argument.")
   (:method ((name null)) nil)
   (:method ((name t)) (format nil "/*~A*/" name)))