X-Git-Url: https://git.distorted.org.uk/~mdw/sod/blobdiff_plain/e0808c472145fc81e52898bc9ac289e10c4f4f41..64fd357d12215eea696478dd3d8993a572935a3d:/src/class-output.lisp diff --git a/src/class-output.lisp b/src/class-output.lisp index 1b69f69..b47f6ba 100644 --- a/src/class-output.lisp +++ b/src/class-output.lisp @@ -40,12 +40,10 @@ (dolist (ichain ichains) (hook-output ichain reason sequencer)))) (defmethod hook-output progn ((ichain ichain) reason sequencer) - (dolist (item (ichain-body ichain)) - (hook-output item reason sequencer))) + (dolist (item (ichain-body ichain)) (hook-output item reason sequencer))) (defmethod hook-output progn ((islots islots) reason sequencer) - (dolist (slot (islots-slots islots)) - (hook-output slot reason sequencer))) + (dolist (slot (islots-slots islots)) (hook-output slot reason sequencer))) (defmethod hook-output progn ((vtable vtable) reason sequencer) (with-slots (body) vtable @@ -168,7 +166,7 @@ raw-name))) (cond ((and (cdr args) (eq (cadr args) :ellipsis)) (setf varargsp t) - (unless in-names (setf me "SOD_CAR(__VA_ARGS__)")) + (unless in-names (setf me "SOD__CAR(__VA_ARGS__)")) (push (format nil "/*~A*/ ..." name) in-names) (push "__VA_ARGS__" out-names) (return)) @@ -195,9 +193,8 @@ ;;;-------------------------------------------------------------------------- ;;; Instance structure. -(defmethod hook-output progn ((slot sod-slot) - (reason (eql 'islots)) - sequencer) +(defmethod hook-output progn + ((slot sod-slot) (reason (eql 'islots)) sequencer) (sequence-output (stream sequencer) (((sod-slot-class slot) :islots :slots) (pprint-logical-block (stream nil :prefix " " :suffix ";") @@ -245,9 +242,8 @@ (sod-class-nickname super))) (sod-class-chain chain-tail)))))))) -(defmethod hook-output progn ((ichain ichain) - (reason (eql 'ilayout)) - sequencer) +(defmethod hook-output progn + ((ichain ichain) (reason (eql 'ilayout)) sequencer) (with-slots ((class %class) chain-head chain-tail) ichain (sequence-output (stream sequencer) ((class :ilayout :slots) @@ -259,25 +255,27 @@ (reason (eql :h)) sequencer) (with-slots ((class %class) chain-head chain-tail) vtptr - (sequence-output (stream sequencer) - ((class :ichain chain-head :slots) - (format stream " const struct ~A *_vt;~%" - (vtable-struct-tag chain-tail chain-head)))))) + (when (eq class chain-tail) + (sequence-output (stream sequencer) + ((class :ichain chain-head :slots) + (format stream " const struct ~A *_vt;~%" + (vtable-struct-tag chain-tail chain-head))))))) (defmethod hook-output progn ((islots islots) (reason (eql :h)) sequencer) (with-slots ((class %class) subclass slots) islots - (sequence-output (stream sequencer) - ((subclass :ichain (sod-class-chain-head class) :slots) - (format stream " struct ~A ~A;~%" - (islots-struct-tag class) - (sod-class-nickname class)))))) + (let ((head (sod-class-chain-head class))) + (when (eq head (sod-class-chain-head subclass)) + (sequence-output (stream sequencer) + ((subclass :ichain (sod-class-chain-head class) :slots) + (format stream " struct ~A ~A;~%" + (islots-struct-tag class) + (sod-class-nickname class)))))))) ;;;-------------------------------------------------------------------------- ;;; Vtable structure. -(defmethod hook-output progn ((method sod-method) - (reason (eql :h)) - sequencer) +(defmethod hook-output progn + ((method sod-method) (reason (eql :h)) sequencer) (with-slots ((class %class)) method (sequence-output (stream sequencer) ((class :methods) @@ -322,15 +320,15 @@ (defmethod hook-output progn ((vtmsgs vtmsgs) (reason (eql :h)) sequencer) (with-slots ((class %class) subclass chain-head chain-tail) vtmsgs - (sequence-output (stream sequencer) - ((subclass :vtable chain-head :slots) - (format stream " struct ~A ~A;~%" - (vtmsgs-struct-tag subclass class) - (sod-class-nickname class)))))) + (when (eq subclass chain-tail) + (sequence-output (stream sequencer) + ((subclass :vtable chain-head :slots) + (format stream " struct ~A ~A;~%" + (vtmsgs-struct-tag subclass class) + (sod-class-nickname class))))))) -(defmethod hook-output progn ((vtmsgs vtmsgs) - (reason (eql 'vtmsgs)) - sequencer) +(defmethod hook-output progn + ((vtmsgs vtmsgs) (reason (eql 'vtmsgs)) sequencer) (when (vtmsgs-entries vtmsgs) (with-slots ((class %class) subclass) vtmsgs (sequence-output (stream sequencer) @@ -347,9 +345,8 @@ ((subclass :vtmsgs class :end) (format stream "};~2%")))))) -(defmethod hook-output progn ((entry method-entry) - (reason (eql 'vtmsgs)) - sequencer) +(defmethod hook-output progn + ((entry method-entry) (reason (eql 'vtmsgs)) sequencer) (let* ((method (method-entry-effective-method entry)) (message (effective-method-message method)) (class (effective-method-class method)) @@ -362,37 +359,46 @@ (pprint-c-type pointer-type stream (method-entry-slot-name entry))) (terpri stream))))) -(defmethod hook-output progn ((cptr class-pointer) - (reason (eql :h)) - sequencer) +(defmethod hook-output progn + ((cptr class-pointer) (reason (eql :h)) sequencer) (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~];~%" - metaclass - (and (sod-class-direct-superclasses meta-chain-head) - (sod-class-nickname meta-chain-head))))))) + (when (eq chain-head (sod-class-chain-head class)) + (sequence-output (stream sequencer) + ((class :vtable chain-head :slots) + (format stream " const ~A *~:[_class~;~:*_cls_~A~];~%" + metaclass + (and (sod-class-direct-superclasses meta-chain-head) + (sod-class-nickname meta-chain-head)))))))) (defmethod hook-output progn ((boff base-offset) (reason (eql :h)) sequencer) (with-slots ((class %class) chain-head) boff - (sequence-output (stream sequencer) - ((class :vtable chain-head :slots) - (write-line " size_t _base;" stream))))) + (when (eq chain-head (sod-class-chain-head class)) + (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) +(defmethod hook-output progn + ((choff chain-offset) (reason (eql :h)) sequencer) (with-slots ((class %class) chain-head target-head) choff - (sequence-output (stream sequencer) - ((class :vtable chain-head :slots) - (format stream " ptrdiff_t _off_~A;~%" - (sod-class-nickname target-head)))))) + (when (eq chain-head (sod-class-chain-head class)) + (sequence-output (stream sequencer) + ((class :vtable chain-head :slots) + (format stream " ptrdiff_t _off_~A;~%" + (sod-class-nickname target-head))))))) ;;;-------------------------------------------------------------------------- ;;; Implementation output. (export '*instance-class*) -(defvar *instance-class*) +(defvar *instance-class* nil + "The class currently being output. + + This is bound during the `hook-output' traversal of a class layout for + `:c' output, since some of the objects traversed actually `belong' to + superclasses and there's no other way to find out what the reference class + actually is. + + It may be bound at other times.") (defmethod hook-output progn ((class sod-class) (reason (eql :c)) sequencer) (sequence-output (stream sequencer) @@ -425,9 +431,8 @@ const struct ~A ~A__classobj = {~%" ;;;-------------------------------------------------------------------------- ;;; Direct and effective methods. -(defmethod hook-output progn ((method delegating-direct-method) - (reason (eql :c)) - sequencer) +(defmethod hook-output progn + ((method delegating-direct-method) (reason (eql :c)) sequencer) (with-slots ((class %class) body) method (unless body (return-from hook-output)) @@ -440,9 +445,8 @@ const struct ~A ~A__classobj = {~%" ((class :direct-method method :end) (format stream "#undef CALL_NEXT_METHOD~%"))))) -(defmethod hook-output progn ((method sod-method) - (reason (eql :c)) - sequencer) +(defmethod hook-output progn + ((method sod-method) (reason (eql :c)) sequencer) (with-slots ((class %class) body) method (unless body (return-from hook-output)) @@ -462,9 +466,8 @@ const struct ~A ~A__classobj = {~%" ((class :direct-method method :end) (terpri stream))))) -(defmethod hook-output progn ((method basic-effective-method) - (reason (eql :c)) - sequencer) +(defmethod hook-output progn + ((method basic-effective-method) (reason (eql :c)) sequencer) (with-slots ((class %class) functions) method (sequence-output (stream sequencer) ((class :effective-methods) @@ -490,9 +493,8 @@ const struct ~A ~A__classobj = {~%" ((class :vtable chain-head :end) (format stream "} };~2%"))))) -(defmethod hook-output progn ((cptr class-pointer) - (reason (eql :c)) - sequencer) +(defmethod hook-output progn + ((cptr class-pointer) (reason (eql :c)) sequencer) (with-slots ((class %class) chain-head metaclass meta-chain-head) cptr (sequence-output (stream sequencer) :constraint ((class :vtable chain-head :start) @@ -520,9 +522,8 @@ const struct ~A ~A__classobj = {~%" (ilayout-struct-tag class) (sod-class-nickname chain-head)))))) -(defmethod hook-output progn ((choff chain-offset) - (reason (eql :c)) - sequencer) +(defmethod hook-output progn + ((choff chain-offset) (reason (eql :c)) sequencer) (with-slots ((class %class) chain-head target-head) choff (sequence-output (stream sequencer) :constraint ((class :vtable chain-head :start) @@ -549,9 +550,8 @@ const struct ~A ~A__classobj = {~%" ((subclass :vtable chain-head :vtmsgs class :end) (format stream " },~%"))))) -(defmethod hook-output progn ((entry method-entry) - (reason (eql :c)) - sequencer) +(defmethod hook-output progn + ((entry method-entry) (reason (eql :c)) sequencer) (with-slots ((method %method) chain-head chain-tail role) entry (let* ((message (effective-method-message method)) (class (effective-method-class method)) @@ -565,9 +565,8 @@ const struct ~A ~A__classobj = {~%" ;;;-------------------------------------------------------------------------- ;;; Filling in the class object. -(defmethod hook-output progn ((ichain ichain) - (reason (eql 'class)) - sequencer) +(defmethod hook-output progn + ((ichain ichain) (reason (eql 'class)) sequencer) (with-slots ((class %class) chain-head) ichain (sequence-output (stream sequencer) :constraint ((*instance-class* :object :start) @@ -580,9 +579,8 @@ const struct ~A ~A__classobj = {~%" ((*instance-class* :object chain-head :ichain :end) (format stream " } },~%"))))) -(defmethod hook-output progn ((islots islots) - (reason (eql 'class)) - sequencer) +(defmethod hook-output progn + ((islots islots) (reason (eql 'class)) sequencer) (with-slots ((class %class)) islots (let ((chain-head (sod-class-chain-head class))) (sequence-output (stream sequencer) @@ -596,9 +594,8 @@ const struct ~A ~A__classobj = {~%" ((*instance-class* :object class :slots :end) (format stream " },~%")))))) -(defmethod hook-output progn ((vtptr vtable-pointer) - (reason (eql 'class)) - sequencer) +(defmethod hook-output progn + ((vtptr vtable-pointer) (reason (eql 'class)) sequencer) (with-slots ((class %class) chain-head chain-tail) vtptr (sequence-output (stream sequencer) :constraint ((*instance-class* :object chain-head :ichain :start) @@ -639,9 +636,8 @@ const struct ~A ~A__classobj = {~%" (sod-slot-name direct-slot) (sod-initializer-value-form init))))))) -(defmethod hook-output progn ((slot sod-class-effective-slot) - (reason (eql 'class)) - sequencer) +(defmethod hook-output progn + ((slot sod-class-effective-slot) (reason (eql 'class)) sequencer) (let ((instance *instance-class*) (func (effective-slot-prepare-function slot))) (when func @@ -649,9 +645,8 @@ const struct ~A ~A__classobj = {~%" ((instance :object :prepare) (funcall func instance stream)))))) -(defmethod hook-output progn ((slot effective-slot) - (reason (eql 'class)) - sequencer) +(defmethod hook-output progn + ((slot effective-slot) (reason (eql 'class)) sequencer) (with-slots ((class %class) (dslot slot)) slot (let ((instance *instance-class*) (super (sod-slot-class dslot)))