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1 | (in-package :lisp-on-lines-ucw) |
2 | |
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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 | |
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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 | |
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35 | (defmethod ucw-core:call-callbacks :around ((action contextl-action) frame request) |
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36 | (with-dynamic-environment ((action-dynamic-environment action)) |
37 | (call-next-method))) |
38 | |
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39 | |
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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 | |
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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 | |