| 1 | (in-package :lisp-on-lines-ucw) |
| 2 | |
| 3 | (defmacro dlambda ((&rest args) &body body) |
| 4 | (let ((env (gensym))) |
| 5 | `(let ((,env (capture-dynamic-environment))) |
| 6 | (lambda (,@args) |
| 7 | (with-dynamic-environment (,env) |
| 8 | ,@body))))) |
| 9 | |
| 10 | (export '(dlambda) :lisp-on-lines-ucw) |
| 11 | |
| 12 | (defclass contextl-application (standard-application) |
| 13 | () |
| 14 | (:default-initargs |
| 15 | |
| 16 | :action-class 'contextl-action)) |
| 17 | |
| 18 | (defclass contextl-action (ucw-standard:standard-action) |
| 19 | ((dynamic-environment :accessor action-dynamic-environment |
| 20 | :initform nil |
| 21 | :initarg :dynamic-environment)) |
| 22 | (:metaclass closer-mop:funcallable-standard-class)) |
| 23 | |
| 24 | (defmethod shared-initialize :after ((action contextl-action) slots &rest args) |
| 25 | (declare (ignore slots args)) |
| 26 | (setf (action-dynamic-environment action) (capture-dynamic-environment))) |
| 27 | |
| 28 | (defmethod ucw-core:handle-action :wrap-around ((action contextl-action) application session frame) |
| 29 | (call-next-method)) |
| 30 | |
| 31 | (defmethod ucw-core:call-action :around ((action contextl-action) application session frame) |
| 32 | (with-dynamic-environment ((action-dynamic-environment action)) |
| 33 | (call-next-method))) |
| 34 | |
| 35 | (defmethod ucw-core:call-callbacks :around ((action contextl-action) frame request) |
| 36 | (with-dynamic-environment ((action-dynamic-environment action)) |
| 37 | (call-next-method))) |
| 38 | |
| 39 | |
| 40 | (defclass contextl-component (standard-component) |
| 41 | ((component-dynamic-environment :accessor component-dynamic-environment |
| 42 | :initform nil)) |
| 43 | (:metaclass standard-component-class)) |
| 44 | |
| 45 | (defmethod render :wrap-around ((component contextl-component)) |
| 46 | (if (component-dynamic-environment component) |
| 47 | (with-dynamic-environment ((component-dynamic-environment component)) |
| 48 | (call-next-method)) |
| 49 | (progn (setf (component-dynamic-environment component) (capture-dynamic-environment)) |
| 50 | (call-next-method)))) |
| 51 | |
| 52 | (defmethod/cc call-component :before ((from t) (to contextl-component)) |
| 53 | (setf (component-dynamic-environment to) (capture-dynamic-environment))) |
| 54 | |
| 55 | |
| 56 | |
| 57 | |
| 58 | #+LOL-TEST(progn |
| 59 | (defclass contextl-test-application (contextl-application) |
| 60 | () |
| 61 | (:default-initargs :url-prefix "/contextl/")) |
| 62 | |
| 63 | (defparameter *context-test-application* (make-instance 'contextl-test-application)) |
| 64 | |
| 65 | (register-application ucw-user:*example-server* *context-test-application*) |
| 66 | |
| 67 | (defentry-point "test.ucw" (:application *context-test-application*) () |
| 68 | (call 'contextl-test-component)) |
| 69 | |
| 70 | (defdynamic foo 1) |
| 71 | |
| 72 | (defclass contextl-test-component (contextl-component) () |
| 73 | (:metaclass standard-component-class)) |
| 74 | |
| 75 | (defmethod render ((component contextl-test-component)) |
| 76 | (<:As-html (dynamic foo)) |
| 77 | (dlet ((foo (1+ (dynamic foo)))) |
| 78 | (<:as-html (dynamic foo)) |
| 79 | (<:br) |
| 80 | (with-described-object (T nil) |
| 81 | (let ((a (find-attribute *description* 'identity))) |
| 82 | (<ucw:a :action (call 'contextl-test-component) |
| 83 | "Call"))) |
| 84 | (<:br) |
| 85 | (when (component.calling-component component) |
| 86 | (<ucw:a :action (answer) |
| 87 | "Answer"))) |
| 88 | )) |
| 89 | |
| 90 | |
| 91 | |
| 92 | |
| 93 | |
| 94 | |
| 95 | |
| 96 | |
| 97 | |
| 98 | |
| 99 | |
| 100 | |
| 101 | |
| 102 | |
| 103 | |
| 104 | |
| 105 | #+nil (defclass contextl-session-frame (ucw-core::standard-session-frame) |
| 106 | ()) |
| 107 | |
| 108 | #+nil(defmethod ucw-core::register-callback-in-frame ((frame contextl-session-frame) callback &key &allow-other-keys) |
| 109 | (let ((lambda (ucw::callback-lambda callback))) |
| 110 | (let ((context (contextl:current-layer-context))) |
| 111 | (setf (ucw::callback-lambda callback) |
| 112 | (lambda (arg) |
| 113 | (contextl:funcall-with-layer-context context lambda arg))) |
| 114 | (call-next-method)))) |
| 115 | |
| 116 | #+nil(setf ucw-core::*session-frame-class* 'contextl-session-frame) |
| 117 | |
| 118 | |