X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fdefstruct.lisp;h=a3dbf1e2a48aa384d168e11aa5b77706a4b5306e;hb=25fe91bf63fd473d9316675b0e0ca9be0079e9eb;hp=2cd30d7ee7b6bcf04fffa073518e158131e33fad;hpb=31f072311935e32751508ecf824905c6b58a1d95;p=sbcl.git

diff --git a/src/code/defstruct.lisp b/src/code/defstruct.lisp
index 2cd30d7..a3dbf1e 100644
--- a/src/code/defstruct.lisp
+++ b/src/code/defstruct.lisp
@@ -333,7 +333,8 @@
               `((setf (structure-classoid-constructor (find-classoid ',name))
                       #',def-con))))))))
 
-;;; shared logic for CL:DEFSTRUCT and SB!XC:DEFSTRUCT
+;;; shared logic for host macroexpansion for SB!XC:DEFSTRUCT and
+;;; cross-compiler macroexpansion for CL:DEFSTRUCT
 (defmacro !expander-for-defstruct (name-and-options
                                    slot-descriptions
                                    expanding-into-code-for-xc-host-p)
@@ -383,7 +384,10 @@
                   (append (typed-accessor-definitions dd)
                           (typed-predicate-definitions dd)
                           (typed-copier-definitions dd)
-                          (constructor-definitions dd)))
+                          (constructor-definitions dd)
+                          (when (dd-doc dd)
+                            `((setf (fdocumentation ',(dd-name dd) 'structure)
+                               ',(dd-doc dd))))))
               ',name)))))
 
 (sb!xc:defmacro defstruct (name-and-options &rest slot-descriptions)
@@ -1155,7 +1159,7 @@
                                    (lambda (x)
                                      (sb!xc:typep x 'structure-classoid))
                                    (lambda (x)
-                                     (sb!xc:typep x (find-classoid class))))
+                                     (sb!xc:typep x (classoid-name (find-classoid class)))))
                                (fdefinition constructor)))
     (setf (classoid-direct-superclasses class)
           (case (dd-name info)
@@ -1548,6 +1552,47 @@
           (dd-type dd) dd-type)
     dd))
 
+;;; make !DEFSTRUCT-WITH-ALTERNATE-METACLASS compilable by the host
+;;; lisp, installing the information we need to reason about the
+;;; structures (layouts and classoids).
+;;;
+;;; FIXME: we should share the parsing and the DD construction between
+;;; this and the cross-compiler version, but my brain was too small to
+;;; get that right.  -- CSR, 2006-09-14
+#+sb-xc-host
+(defmacro !defstruct-with-alternate-metaclass
+    (class-name &key
+                (slot-names (missing-arg))
+                (boa-constructor (missing-arg))
+                (superclass-name (missing-arg))
+                (metaclass-name (missing-arg))
+                (metaclass-constructor (missing-arg))
+                (dd-type (missing-arg))
+                predicate
+                (runtime-type-checks-p t))
+
+  (declare (type (and list (not null)) slot-names))
+  (declare (type (and symbol (not null))
+                 boa-constructor
+                 superclass-name
+                 metaclass-name
+                 metaclass-constructor))
+  (declare (type symbol predicate))
+  (declare (type (member structure funcallable-structure) dd-type))
+  (declare (ignore boa-constructor predicate runtime-type-checks-p))
+
+  (let* ((dd (make-dd-with-alternate-metaclass
+              :class-name class-name
+              :slot-names slot-names
+              :superclass-name superclass-name
+              :metaclass-name metaclass-name
+              :metaclass-constructor metaclass-constructor
+              :dd-type dd-type)))
+    `(progn
+
+      (eval-when (:compile-toplevel :load-toplevel :execute)
+        (%compiler-set-up-layout ',dd ',(inherits-for-structure dd))))))
+
 (sb!xc:defmacro !defstruct-with-alternate-metaclass
     (class-name &key
                 (slot-names (missing-arg))