(class :ichains :start) (class :ichains :end)
(class :ilayout :start) (class :ilayout :slots) (class :ilayout :end)
(class :conversions)
+ (class :message-macros)
(class :object)
(:classes :end))
(format stream "/* Conversion macros. */~%")
(dolist (super (cdr (sod-class-precedence-list class)))
(let ((super-head (sod-class-chain-head super)))
- (format stream "#define ~:@(~A__CONV_~A~)(p) ((~A *)~
- ~:[SOD_XCHAIN(~A, (p))~;(p)~])~%"
+ (format stream "#define ~:@(~A__CONV_~A~)(_obj) ((~A *)~
+ ~:[SOD_XCHAIN(~A, (_obj))~;(_obj)~])~%"
class (sod-class-nickname super) super
(eq chain-head super-head)
(sod-class-nickname super-head))))
(terpri stream)))))
+ ;; Provide convenience macros for sending the newly defined messages. (The
+ ;; macros work on all subclasses too.)
+ ;;
+ ;; We need each message's method entry type for this, so we need to dig it
+ ;; out of the vtmsgs structure. Indeed, the vtmsgs for this class contains
+ ;; entries for precisely the messages we want to make macros for.
+ (when (sod-class-messages class)
+ (sequence-output (stream sequencer)
+ ((class :message-macros)
+ (let* ((vtable (find (sod-class-chain-head class)
+ (sod-class-vtables class)
+ :key #'vtable-chain-head))
+ (vtmsgs (find-if (lambda (item)
+ (and (typep item 'vtmsgs)
+ (eql (vtmsgs-class item) class)))
+ (vtable-body vtable))))
+ (format stream "/* Message invocation macros. */~%")
+ (dolist (entry (vtmsgs-entries vtmsgs))
+ (let* ((type (method-entry-function-type entry))
+ (args (c-function-arguments type))
+ (in-names nil) (out-names nil) (varargsp nil) (me "me"))
+ (do ((args args (cdr args)))
+ ((endp args))
+ (let* ((raw-name (princ-to-string (argument-name (car args))))
+ (name (if (find raw-name
+ (list "_vt"
+ (sod-class-nickname class)
+ (method-entry-slot-name entry))
+ :test #'string=)
+ (format nil "sod__a_~A" raw-name)
+ raw-name)))
+ (cond ((and (cdr args) (eq (cadr args) :ellipsis))
+ (setf varargsp t)
+ (unless in-names (setf me "SOD_CAR(__VA_ARGS__)"))
+ (push (format nil "/*~A*/ ..." name) in-names)
+ (push "__VA_ARGS__" out-names)
+ (return))
+ (t
+ (push name in-names)
+ (push name out-names)))))
+ (when varargsp
+ (format stream "#if __STDC_VERSION__ >= 199901~%"))
+ (format stream "#define ~A(~{~A~^, ~}) ~
+ ~A->_vt->~A.~A(~{~A~^, ~})~%"
+ (message-macro-name class entry)
+ (nreverse in-names)
+ me
+ (sod-class-nickname class)
+ (method-entry-slot-name entry)
+ (nreverse out-names))
+ (when varargsp
+ (format stream "#endif~%"))))
+ (terpri stream)))))
+
;; Generate vtmsgs structure for all superclasses.
(hook-output (car (sod-class-vtables class))
'vtmsgs
sequencer))
(defmethod hook-output progn ((class sod-class) reason sequencer)
- (with-slots (ilayout vtables methods) class
+ (with-slots ((ilayout %ilayout) vtables methods effective-methods) class
(hook-output ilayout reason sequencer)
(dolist (method methods) (hook-output method reason sequencer))
+ (dolist (method effective-methods) (hook-output method reason sequencer))
(dolist (vtable vtables) (hook-output vtable reason sequencer))))
;;;--------------------------------------------------------------------------
(hook-output item reason sequencer)))
(defmethod hook-output progn ((ilayout ilayout) (reason (eql :h)) sequencer)
- (with-slots (class ichains) ilayout
+ (with-slots ((class %class) ichains) ilayout
(sequence-output (stream sequencer)
((class :ilayout :start)
(format stream "/* Instance layout. */~@
(hook-output ichain 'ilayout sequencer))))
(defmethod hook-output progn ((ichain ichain) (reason (eql :h)) sequencer)
- (with-slots (class chain-head chain-tail) ichain
+ (with-slots ((class %class) chain-head chain-tail) ichain
(when (eq class chain-tail)
(sequence-output (stream sequencer)
:constraint ((class :ichains :start)
(defmethod hook-output progn ((ichain ichain)
(reason (eql 'ilayout))
sequencer)
- (with-slots (class chain-head chain-tail) ichain
+ (with-slots ((class %class) chain-head chain-tail) ichain
(sequence-output (stream sequencer)
((class :ilayout :slots)
(format stream " union ~A ~A;~%"
(defmethod hook-output progn ((vtptr vtable-pointer)
(reason (eql :h))
sequencer)
- (with-slots (class chain-head chain-tail) vtptr
+ (with-slots ((class %class) chain-head chain-tail) vtptr
(sequence-output (stream sequencer)
((class :ichain chain-head :slots)
(format stream " const struct ~A *_vt;~%"
(hook-output slot reason sequencer)))
(defmethod hook-output progn ((islots islots) (reason (eql :h)) sequencer)
- (with-slots (class subclass slots) islots
+ (with-slots ((class %class) subclass slots) islots
(sequence-output (stream sequencer)
((subclass :ichain (sod-class-chain-head class) :slots)
(format stream " struct ~A ~A;~%"
(defmethod hook-output progn ((method sod-method)
(reason (eql :h))
sequencer)
- (with-slots (class) method
+ (with-slots ((class %class)) method
(sequence-output (stream sequencer)
((class :methods)
(let ((type (sod-method-function-type method)))
(format stream ";~%"))))))
(defmethod hook-output progn ((vtable vtable) (reason (eql :h)) sequencer)
- (with-slots (class chain-head chain-tail) vtable
+ (with-slots ((class %class) chain-head chain-tail) vtable
(when (eq class chain-tail)
(sequence-output (stream sequencer)
:constraint ((class :vtables :start)
struct ~A {~%"
(vtable-struct-tag chain-tail chain-head)))
((class :vtable chain-head :end)
- (format stream "};~2%"))))
+ (format stream "};~2%")
+ (format stream "/* Union of equivalent superclass vtables. */~@
+ union ~A {~@
+ ~:{ struct ~A ~A;~%~}~
+ };~2%"
+ (vtable-union-tag chain-tail chain-head)
+
+ ;; As for the ichain union, make sure the most specific
+ ;; class is first.
+ (mapcar (lambda (super)
+ (list (vtable-struct-tag super chain-head)
+ (sod-class-nickname super)))
+ (sod-class-chain chain-tail))))))
(sequence-output (stream sequencer)
((class :vtable-externs)
- (format stream "~@<extern const struct ~A ~2I~_~A__vtable_~A;~:>~%"
- (vtable-struct-tag chain-tail chain-head)
+ (format stream "~@<extern const union ~A ~2I~_~A__vtable_~A;~:>~%"
+ (vtable-union-tag chain-tail chain-head)
class (sod-class-nickname chain-head))))))
(defmethod hook-output progn ((vtmsgs vtmsgs) (reason (eql :h)) sequencer)
- (with-slots (class subclass chain-head chain-tail) vtmsgs
+ (with-slots ((class %class) subclass chain-head chain-tail) vtmsgs
(sequence-output (stream sequencer)
((subclass :vtable chain-head :slots)
(format stream " struct ~A ~A;~%"
(reason (eql 'vtmsgs))
sequencer)
(when (vtmsgs-entries vtmsgs)
- (with-slots (class subclass) vtmsgs
+ (with-slots ((class %class) subclass) vtmsgs
(sequence-output (stream sequencer)
:constraint ((subclass :vtmsgs :start)
(subclass :vtmsgs class :start)
(with-slots (entries) vtmsgs
(dolist (entry entries) (hook-output entry reason sequencer))))
-(defmethod hook-output progn ((entry method-entry) reason sequencer)
- (with-slots (method) entry
- (hook-output method reason sequencer)))
-
(defmethod hook-output progn ((entry method-entry)
(reason (eql 'vtmsgs))
sequencer)
(sequence-output (stream sequencer)
((class :vtmsgs (sod-message-class message) :slots)
(pprint-logical-block (stream nil :prefix " " :suffix ";")
- (pprint-c-type pointer-type stream (sod-message-name message)))
+ (pprint-c-type pointer-type stream (method-entry-slot-name entry)))
(terpri stream)))))
(defmethod hook-output progn ((cptr class-pointer)
(reason (eql :h))
sequencer)
- (with-slots (class chain-head metaclass meta-chain-head) cptr
+ (with-slots ((class %class) chain-head metaclass meta-chain-head) cptr
(sequence-output (stream sequencer)
((class :vtable chain-head :slots)
(format stream " const ~A *~:[_class~;~:*_cls_~A~];~%"
(sod-class-nickname meta-chain-head)))))))
(defmethod hook-output progn ((boff base-offset) (reason (eql :h)) sequencer)
- (with-slots (class chain-head) boff
+ (with-slots ((class %class) chain-head) boff
(sequence-output (stream sequencer)
((class :vtable chain-head :slots)
(write-line " size_t _base;" stream)))))
(defmethod hook-output progn ((choff chain-offset)
(reason (eql :h))
sequencer)
- (with-slots (class chain-head target-head) choff
+ (with-slots ((class %class) chain-head target-head) choff
(sequence-output (stream sequencer)
((class :vtable chain-head :slots)
(format stream " ptrdiff_t _off_~A;~%"
(defmethod hook-output progn ((method delegating-direct-method)
(reason (eql :c))
sequencer)
- (with-slots (class body) method
+ (with-slots ((class %class) body) method
(unless body
(return-from hook-output))
(sequence-output (stream sequencer)
(defmethod hook-output progn ((method sod-method)
(reason (eql :c))
sequencer)
- (with-slots (class body) method
+ (with-slots ((class %class) body) method
(unless body
(return-from hook-output))
(sequence-output (stream sequencer)
(defmethod hook-output progn ((method basic-effective-method)
(reason (eql :c))
sequencer)
- (with-slots (class functions) method
+ (with-slots ((class %class) functions) method
(sequence-output (stream sequencer)
((class :effective-methods)
(dolist (func functions)
;;; Vtables.
(defmethod hook-output progn ((vtable vtable) (reason (eql :c)) sequencer)
- (with-slots (class chain-head chain-tail) vtable
+ (with-slots ((class %class) chain-head chain-tail) vtable
(sequence-output (stream sequencer)
:constraint ((class :vtables :start)
(class :vtable chain-head :start)
(class :vtables :end))
((class :vtable chain-head :start)
(format stream "/* Vtable for ~A chain. */~@
- const struct ~A ~A = {~%"
+ const union ~A ~A = { {~%"
chain-head
- (vtable-struct-tag chain-tail chain-head)
+ (vtable-union-tag chain-tail chain-head)
(vtable-name class chain-head)))
((class :vtable chain-head :end)
- (format stream "};~2%")))))
+ (format stream "} };~2%")))))
(defmethod hook-output progn ((cptr class-pointer)
(reason (eql :c))
sequencer)
- (with-slots (class chain-head metaclass meta-chain-head) cptr
+ (with-slots ((class %class) chain-head metaclass meta-chain-head) cptr
(sequence-output (stream sequencer)
:constraint ((class :vtable chain-head :start)
(class :vtable chain-head :class-pointer metaclass)
(format nil "_cls_~A"
(sod-class-nickname meta-chain-head))
"_class")
- (sod-class-metaclass class)
+ class
(sod-class-nickname meta-chain-head)
(sod-class-nickname metaclass))))))
(defmethod hook-output progn ((boff base-offset) (reason (eql :c)) sequencer)
- (with-slots (class chain-head) boff
+ (with-slots ((class %class) chain-head) boff
(sequence-output (stream sequencer)
:constraint ((class :vtable chain-head :start)
(class :vtable chain-head :base-offset)
(defmethod hook-output progn ((choff chain-offset)
(reason (eql :c))
sequencer)
- (with-slots (class chain-head target-head) choff
+ (with-slots ((class %class) chain-head target-head) choff
(sequence-output (stream sequencer)
:constraint ((class :vtable chain-head :start)
(class :vtable chain-head :chain-offset target-head)
(sod-class-nickname target-head))))))
(defmethod hook-output progn ((vtmsgs vtmsgs) (reason (eql :c)) sequencer)
- (with-slots (class subclass chain-head) vtmsgs
+ (with-slots ((class %class) subclass chain-head) vtmsgs
(sequence-output (stream sequencer)
:constraint ((subclass :vtable chain-head :start)
(subclass :vtable chain-head :vtmsgs class :start)
(defmethod hook-output progn ((entry method-entry)
(reason (eql :c))
sequencer)
- (with-slots (method chain-head chain-tail) entry
+ (with-slots ((method %method) chain-head chain-tail role) entry
(let* ((message (effective-method-message method))
(class (effective-method-class method))
(super (sod-message-class message)))
(sequence-output (stream sequencer)
((class :vtable chain-head :vtmsgs super :slots)
(format stream " /* ~19@A = */ ~A,~%"
- (sod-message-name message)
- (method-entry-function-name method chain-head)))))))
+ (method-entry-slot-name entry)
+ (method-entry-function-name method chain-head role)))))))
;;;--------------------------------------------------------------------------
;;; Filling in the class object.
(defmethod hook-output progn ((ichain ichain)
(reason (eql 'class))
sequencer)
- (with-slots (class chain-head) ichain
+ (with-slots ((class %class) chain-head) ichain
(sequence-output (stream sequencer)
:constraint ((*instance-class* :object :start)
(*instance-class* :object chain-head :ichain :start)
(defmethod hook-output progn ((islots islots)
(reason (eql 'class))
sequencer)
- (with-slots (class) islots
+ (with-slots ((class %class)) islots
(let ((chain-head (sod-class-chain-head class)))
(sequence-output (stream sequencer)
:constraint ((*instance-class* :object chain-head :ichain :start)
(defmethod hook-output progn ((vtptr vtable-pointer)
(reason (eql 'class))
sequencer)
- (with-slots (class chain-head chain-tail) vtptr
+ (with-slots ((class %class) chain-head chain-tail) vtptr
(sequence-output (stream sequencer)
:constraint ((*instance-class* :object chain-head :ichain :start)
(*instance-class* :object chain-head :vtable)
(*instance-class* :object chain-head :ichain :end))
((*instance-class* :object chain-head :vtable)
- (format stream " &~A__vtable_~A,~%"
- class (sod-class-nickname chain-head))))))
+ (format stream " /* ~17@A = */ &~A.~A,~%"
+ "_vt"
+ (vtable-name class chain-head)
+ (sod-class-nickname chain-tail))))))
(defgeneric find-class-initializer (slot class)
(:method ((slot effective-slot) (class sod-class))
(defmethod hook-output progn ((slot effective-slot)
(reason (eql 'class))
sequencer)
- (with-slots (class (dslot slot)) slot
+ (with-slots ((class %class) (dslot slot)) slot
(let ((instance *instance-class*)
(super (sod-slot-class dslot)))
(sequence-output (stream sequencer)
~mdw / sod / blobdiff