fixed #736

caching really *is* evil :-)
(if it weren’t for performance…)

blocks.js

@@ -9,7 +9,7 @@
     written by Jens Mönig
     jens@moenig.org
 
-    Copyright (C) 2014 by Jens Mönig
+    Copyright (C) 2015 by Jens Mönig
 
     This file is part of Snap!.
 
@@ -155,7 +155,7 @@ DialogBoxMorph, BlockInputFragmentMorph, PrototypeHatBlockMorph, Costume*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.blocks = '2015-February-28';
+modules.blocks = '2015-March-06';
 
 
 var SyntaxElementMorph;
@@ -382,9 +382,32 @@ SyntaxElementMorph.prototype.inputs = function () {
             return part instanceof SyntaxElementMorph;
         });
     }
+    // this.debugCachedInputs();
     return this.cachedInputs;
 };
 
+SyntaxElementMorph.prototype.debugCachedInputs = function () {
+    // private - only used for manually debugging inputs caching
+    var realInputs, i;
+    if (!isNil(this.cachedInputs)) {
+        realInputs = this.parts().filter(function (part) {
+            return part instanceof SyntaxElementMorph;
+        });
+    }
+    if (this.cachedInputs.length !== realInputs.length) {
+        throw new Error('cached inputs size do not match: ' +
+            this.constructor.name);
+    }
+    for (i = 0; i < realInputs.length; i += 1) {
+        if (this.cachedInputs[i] !== realInputs[i]) {
+            throw new Error('cached input does not match ' +
+                this.constructor.name +
+                ' ' +
+                i);
+        }
+    }
+};
+
 SyntaxElementMorph.prototype.allInputs = function () {
     // answer arguments and nested reporters of all children
     var myself = this;
@@ -4614,6 +4637,7 @@ RingMorph.uber = ReporterBlockMorph.prototype;
 
 // RingMorph preferences settings:
 
+RingMorph.prototype.isCachingInputs = false;
 // RingMorph.prototype.edge = 2;
 // RingMorph.prototype.rounding = 9;
 // RingMorph.prototype.alpha = 0.8;

history.txt

@@ -2462,3 +2462,7 @@ ______
 150302
 ------
 * BYOB: fixed #730
+
+150306
+------
+* Blocks: fixed #736