src/frontend.lisp: Add `--backtrace' option to expose error context.

[sod] / src / class-utilities.lisp

diff --git a/src/class-utilities.lisp b/src/class-utilities.lisp
index 62f27d8..573c677 100644 (file)
--- a/src/class-utilities.lisp
+++ b/src/class-utilities.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
@@ -100,7 +100,7 @@
 
    The root superclass is the superclass which itself has no direct
    superclasses.  In universes not based on the provided builtin module, the
-   root class may not be our beloved SodObject; however, there must be one
+   root class may not be our beloved `SodObject'; however, there must be one
    (otherwise the class graph is cyclic, which should be forbidden), and we
    insist that it be unique."
 
@@ -160,7 +160,8 @@
   (and (= (length message-args) (length method-args))
        (every (lambda (message-arg method-arg)
                (if (eq message-arg :ellipsis)
-                   (eq method-arg (c-type va-list))
+                   (c-type-equal-p (argument-type method-arg)
+                                   c-type-va-list)
                    (c-type-equal-p (argument-type message-arg)
                                    (argument-type method-arg))))
              message-args method-args)))
@@ -188,6 +189,10 @@
 (defun vtmsgs-struct-tag (class super)
   (format nil "~A__vtmsgs_~A" class (sod-class-nickname super)))
 
+(export 'vtable-union-tag)
+(defun vtable-union-tag (class chain-head)
+  (format nil "~A__vtu_~A" class (sod-class-nickname chain-head)))
+
 (export 'vtable-struct-tag)
 (defun vtable-struct-tag (class chain-head)
   (format nil "~A__vt_~A" class (sod-class-nickname chain-head)))
@@ -196,4 +201,8 @@
 (defun vtable-name (class chain-head)
   (format nil "~A__vtable_~A" class (sod-class-nickname chain-head)))
 
+(export 'message-macro-name)
+(defun message-macro-name (class entry)
+  (format nil "~A_~A" class (method-entry-slot-name entry)))
+
 ;;;----- That's all, folks --------------------------------------------------