;;;; ------------------------------------------------------------------------- ;;;; Operations (asdf/package:define-package :asdf/operation (:recycle :asdf/operation :asdf) (:use :common-lisp :asdf/driver :asdf/upgrade) (:export #:operation #:operation-original-initargs ;; backward-compatibility only. DO NOT USE. #:make-operation #:find-operation)) (in-package :asdf/operation) ;;; Operation Classes (when-upgrade (:when (find-class 'operation nil)) (defmethod shared-initialize :after ((o operation) slot-names &rest initargs &key) (declare (ignorable o slot-names initargs)) (values))) (defclass operation () ((original-initargs ;; for backward-compat -- used by GBBopen and swank (via operation-forced) :initform nil :initarg :original-initargs :accessor operation-original-initargs))) (defmethod initialize-instance :after ((o operation) &rest initargs &key force force-not system verbose &allow-other-keys) (declare (ignorable force force-not system verbose)) (unless (slot-boundp o 'original-initargs) (setf (operation-original-initargs o) initargs))) (defmethod print-object ((o operation) stream) (print-unreadable-object (o stream :type t :identity nil) (ignore-errors (format stream "~{~S~^ ~}" (operation-original-initargs o))))) ;;; make-operation, find-operation (defparameter *operations* (make-hash-table :test 'equal)) (defun* make-operation (operation-class &rest initargs) (let ((key (cons operation-class initargs))) (multiple-value-bind (operation foundp) (gethash key *operations*) (if foundp operation (setf (gethash key *operations*) (apply 'make-instance operation-class initargs)))))) (defgeneric* find-operation (context spec) (:documentation "Find an operation by resolving the SPEC in the CONTEXT")) (defmethod find-operation (context (spec operation)) (declare (ignorable context)) spec) (defmethod find-operation (context (spec symbol)) (apply 'make-operation spec (operation-original-initargs context))) (defmethod operation-original-initargs ((context null)) context)