variable renaming

examples/js-get-message/js-get-message-child.rkt

@@ -15,7 +15,7 @@
 
 
 ;; Let's attach the send-event function to a toplevel function on the window.
-(void ((js-function (js-eval "function(send) { $(window).bind('message', function(e) { send(e.originalEvent.data); })}"))
+(void ((js-function->procedure "function(send) { $(window).bind('message', function(e) { send(e.originalEvent.data); })}")
        send))
 ;; js-function lifts JavaScript functions to regular function we can call.
 

js.rkt

@@ -1,3 +1,32 @@
 #lang s-exp "lang/base.rkt"
 (require "js/main.rkt")
-(provide (all-from-out "js/main.rkt"))
+(provide [except-out (all-from-out "js/main.rkt")
+                     js-function->procedure
+                     js-async-function->procedure]
+         [rename-out [-js-function->procedure js-function->procedure]
+                     [-js-async-function->procedure js-async-function->procedure]]
+         js-function?)
+
+(define raw-js-function?
+  (js-function->procedure (js-eval "function(x) { return typeof(x) === 'function'}")))
+
+(define (js-function? x)
+  (raw-js-function? x))
+
+(define (-js-function->procedure x)
+  (cond
+   [(string? x)
+    (js-function->procedure (js-eval x))]
+   [(js-function? x)
+    (js-function->procedure x)]
+   [else
+    (raise-type-error 'js-function->procedure "js-function or string" x)]))
+
+(define (-js-async-function->procedure x)
+  (cond
+   [(string? x)
+    (js-async-function->procedure (js-eval x))]
+   [(js-function? x)
+    (js-async-function->procedure x)]
+   [else
+    (raise-type-error 'js-async-function->procedure "js-function or string" x)]))

js/js-impl.js

@@ -159,9 +159,9 @@
 
 
     // Lift JavaScript functions to Whalesong functions.
-    EXPORTS['js-function'] =
+    EXPORTS['js-function->procedure'] =
         makePrimitiveProcedure(
-            'js-function',
+            'js-function->procedure',
             1,
             function(MACHINE) {
                 var f = checkJSFunction(MACHINE, 'js function', 0);
@@ -177,9 +177,9 @@
                     });
             });
 
-    EXPORTS['js-async-function'] =
+    EXPORTS['js-async-function->procedure'] =
         makePrimitiveProcedure(
-            'js-async-function',
+            'js-async-function->procedure',
             1,
             function(MACHINE) {
                 var f = checkJSFunction(MACHINE, 'js function', 0);

js/main.rkt

@@ -8,8 +8,8 @@
                     call-method
                     $
 
-                    js-function
+                    js-function->procedure
-                    js-async-function
+                    js-async-function->procedure
                     
                     window
                     

js/racket-impl.rkt

@@ -22,8 +22,8 @@
          
          load-script
          
-         js-function
+         js-function->procedure
-         js-async-function
+         js-async-function->procedure
          )
 
 (define (alert x)
@@ -103,8 +103,8 @@
   (error 'load-script "Not available outside JavaScript context."))
 
 
-(define (js-function f)
+(define (js-function->procedure f)
-    (error 'js-function "Not available outside JavaScript context."))
+    (error 'js-function->procedure "Not available outside JavaScript context."))
 
-(define (js-async-function f)
+(define (js-async-function->procedure f)
-    (error 'js-async-function "Not available outside JavaScript context."))
+    (error 'js-async-function->procedure "Not available outside JavaScript context."))

js/world/main.rkt

@@ -1,6 +1,3 @@
-#lang s-exp "../../lang/js/js.rkt"
+#lang s-exp "../../lang/base.rkt"
-(require "../../web-world.rkt")
+(require "make-js-world-event.rkt")
-(declare-implementation
+(provide (all-from-out "make-js-world-event.rkt"))
- #:racket "racket-impl.rkt"
- #:javascript ("js-impl.js")
- #:provided-values (make-js-world-event))

js/world/make-js-world-event.rkt

@@ -0,0 +1,6 @@
+#lang s-exp "../../lang/js/js.rkt"
+(require "../../web-world.rkt")
+(declare-implementation
+ #:racket "racket-impl.rkt"
+ #:javascript ("js-impl.js")
+ #:provided-values (make-js-world-event))

js/world/test.rkt

@@ -15,9 +15,10 @@
 
 
 ;; Let's attach the send-event function to a toplevel function on the window.
-(void ((js-function (js-eval "function(x) { window.sendTheTick = x; }"))
+(void ((js-function->procedure (js-eval "function(x) { window.sendTheTick = x; }"))
        send-event))
-;; js-function lifts JavaScript functions to regular function we can call.
+;; js-function->procedure lifts JavaScript functions to regular
+;; procedures that we can call.
 
 
 (define (tick w v)

tests/more-tests/js-binding.rkt

@@ -2,13 +2,13 @@
 (require (planet dyoo/whalesong/js))
 
 (define js-plus
-  (js-function (js-eval "function(x, y) { return x + y; }")))
+  (js-function->procedure "function(x, y) { return x + y; }"))
 
 (define js-minus
-  (js-function (js-eval "function(x, y) { return x - y; }")))
+  (js-function->procedure "function(x, y) { return x - y; }"))
 
 (define sleep
-  (js-async-function (js-eval "function(success, fail, n) { setTimeout(success, n) }")))
+  (js-async-function->procedure"function(success, fail, n) { setTimeout(success, n) }"))
 
 
 "plus: " (js-plus 3 4)
@@ -25,5 +25,5 @@
 ;; I need exception handling...
 ;;
 ;(define i-should-fail
-;  (js-async-function (js-eval "function(success, fail) { fail('I should fail'); }")))
+;  (js-async-function->procedure  "function(success, fail) { fail('I should fail'); }"))
 ;(i-should-fail)

version.rkt

@@ -7,4 +7,4 @@
 (provide version)
 (: version String)
 
-(define version "1.221")
+(define version "1.222")