Merge branch 'master' of https://github.com/jmoenig/Snap--Build-Your-Own-Blocks into var-rename

blocks.js

@@ -149,7 +149,7 @@ isSnapObject, copy, PushButtonMorph, SpriteIconMorph, Process, AlignmentMorph*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.blocks = '2016-December-19';
+modules.blocks = '2016-December-27';
 
 var SyntaxElementMorph;
 var BlockMorph;
@@ -246,52 +246,52 @@ SyntaxElementMorph.uber = Morph.prototype;
 
     outline:
 
-        corner        - radius of command block rounding
+        corner      - radius of command block rounding
         rounding    - radius of reporter block rounding
         edge        - width of 3D-ish shading box
-        hatHeight    - additional top space for hat blocks
+        hatHeight   - additional top space for hat blocks
         hatWidth    - minimum width for hat blocks
         rfBorder    - pixel width of reification border (grey outline)
         minWidth    - minimum width for any syntax element's contents
 
     jigsaw shape:
 
-        inset        - distance from indentation to left edge
+        inset       - distance from indentation to left edge
         dent        - width of indentation bottom
 
     paddings:
 
-        bottomPadding    - adds to the width of the bottom most c-slot
+        bottomPadding   - adds to the width of the bottom most c-slot
         cSlotPadding    - adds to the width of the open "C" in c-slots
-        typeInPadding    - adds pixels between text and edge in input slots
+        typeInPadding   - adds pixels between text and edge in input slots
         labelPadding    - adds left/right pixels to block labels
 
     label:
 
-        labelFontName    - <string> specific font family name
+        labelFontName       - <string> specific font family name
-        labelFontStyle    - <string> generic font family name, cascaded
+        labelFontStyle      - <string> generic font family name, cascaded
-        fontSize        - duh
+        fontSize            - duh
-        embossing        - <Point> offset for embossing effect
+        embossing           - <Point> offset for embossing effect
-        labelWidth        - column width, used for word wrapping
+        labelWidth          - column width, used for word wrapping
-        labelWordWrap    - <bool> if true labels can break after each word
+        labelWordWrap       - <bool> if true labels can break after each word
-        dynamicInputLabels - <bool> if true inputs can have dynamic labels
+        dynamicInputLabels  - <bool> if true inputs can have dynamic labels
 
     snapping:
 
-        feedbackColor        - <Color> for displaying drop feedbacks
+        feedbackColor       - <Color> for displaying drop feedbacks
-        feedbackMinHeight    - height of white line for command block snaps
+        feedbackMinHeight   - height of white line for command block snaps
-        minSnapDistance        - threshold when commands start snapping
+        minSnapDistance     - threshold when commands start snapping
-        reporterDropFeedbackPadding    - increases reporter drop feedback
+        reporterDropFeedbackPadding  - increases reporter drop feedback
 
     color gradients:
 
         contrast        - <percent int> 3D-ish shading gradient contrast
-        labelContrast    - <percent int> 3D-ish label shading contrast
+        labelContrast   - <percent int> 3D-ish label shading contrast
-        activeHighlight    - <Color> for stack highlighting when active
+        activeHighlight - <Color> for stack highlighting when active
-        errorHighlight    - <Color> for error highlighting
+        errorHighlight  - <Color> for error highlighting
-        activeBlur        - <pixels int> shadow for blurred activeHighlight
+        activeBlur      - <pixels int> shadow for blurred activeHighlight
         activeBorder    - <pixels int> unblurred activeHighlight
-        rfColor            - <Color> for reified outlines and slot backgrounds
+        rfColor         - <Color> for reified outlines and slot backgrounds
 */
 
 SyntaxElementMorph.prototype.setScale = function (num) {
@@ -1120,7 +1120,8 @@ SyntaxElementMorph.prototype.labelPart = function (spec) {
             part = new InputSlotMorph(
                 null,
                 false,
-                {   color: ['color'],
+                {
+                    color: ['color'],
                     fisheye: ['fisheye'],
                     whirl: ['whirl'],
                     pixelate: ['pixelate'],
@@ -2020,14 +2021,14 @@ SyntaxElementMorph.prototype.endLayout = function () {
     SyntaxElementMorph my most important attributes and public
     accessors are:
 
-    selector    - (string) name of method to be triggered
+    selector        - (string) name of method to be triggered
-    receiver()    - answer the object (sprite) to which I apply
+    receiver()      - answer the object (sprite) to which I apply
-    inputs()    - answer an array with my arg slots and nested reporters
+    inputs()        - answer an array with my arg slots and nested reporters
-    defaults    - an optional Array containing default input values
+    defaults        - an optional Array containing default input values
-    topBlock()    - answer the top block of the stack I'm attached to
+    topBlock()      - answer the top block of the stack I'm attached to
-    blockSpec    - a formalized description of my label parts
+    blockSpec       - a formalized description of my label parts
-    setSpec()    - force me to change my label structure
+    setSpec()       - force me to change my label structure
-    evaluate()    - answer the result of my evaluation
+    evaluate()      - answer the result of my evaluation
     isUnevaluated() - answer whether I am part of a special form
 
     Zebra coloring provides a mechanism to alternate brightness of nested,
@@ -2101,28 +2102,28 @@ SyntaxElementMorph.prototype.endLayout = function () {
 
     arity: multiple
 
-    %mult%x    - where %x stands for any of the above single inputs
+    %mult%x      - where %x stands for any of the above single inputs
-    %inputs - for an additional text label 'with inputs'
+    %inputs      - for an additional text label 'with inputs'
-    %words - for an expandable list of default 2 (used in JOIN)
+    %words       - for an expandable list of default 2 (used in JOIN)
-    %exp - for a static expandable list of minimum 0 (used in LIST)
+    %exp         - for a static expandable list of minimum 0 (used in LIST)
-    %scriptVars - for an expandable list of variable reporter templates
+    %scriptVars  - for an expandable list of variable reporter templates
-    %parms - for an expandable list of formal parameters
+    %parms       - for an expandable list of formal parameters
-    %ringparms - the same for use inside Rings
+    %ringparms   - the same for use inside Rings
 
     special form: upvar
 
-    %upvar - same as %t (inline variable reporter template)
+    %upvar       - same as %t (inline variable reporter template)
 
     special form: input name
 
-    %inputName - variable blob (used in input type dialog)
+    %inputName   - variable blob (used in input type dialog)
 
     examples:
 
         'if %b %c else %c'        - creates Scratch's If/Else block
-        'set pen color to %clr'    - creates Scratch's Pen color block
+        'set pen color to %clr'   - creates Scratch's Pen color block
         'list %mult%s'            - creates BYOB's list reporter block
-        'call %n %inputs'        - creates BYOB's Call block
+        'call %n %inputs'         - creates BYOB's Call block
         'the script %parms %c'    - creates BYOB's THE SCRIPT block
 */
 
@@ -2349,7 +2350,7 @@ BlockMorph.prototype.userMenu = function () {
             menu.addItem(
                 "script pic with result...",
                 function () {
-                    top.ExportResultPic();
+                    top.exportResultPic();
                 },
                 'open a new window\n' +
                     'with a picture of both\nthis script and its result',
@@ -4909,7 +4910,7 @@ ReporterBlockMorph.prototype.mouseClickLeft = function (pos) {
 
 // ReporterBlock exporting picture with result bubble
 
-ReporterBlockMorph.prototype.ExportResultPic = function () {
+ReporterBlockMorph.prototype.exportResultPic = function () {
     var top = this.topBlock(),
         receiver = top.receiver(),
         stage;
@@ -4923,7 +4924,6 @@ ReporterBlockMorph.prototype.ExportResultPic = function () {
     }
 };
 
-
 // ReporterBlockMorph deleting
 
 ReporterBlockMorph.prototype.userDestroy = function () {
@@ -8620,19 +8620,18 @@ TemplateSlotMorph.prototype.unflash = function () {
     I am a diamond-shaped argument slot.
     My block spec is
 
-    %b        - Boolean
+    %b         - Boolean
     %boolUE    - Boolean unevaluated
 
     I can be directly edited. When the user clicks on me I toggle
     between <true>, <false> and <null> values.
 
-    evaluate returns my value.
+    evaluate() returns my value.
 
     my most important public attributes and accessors are:
 
-    value - user editable contents (Boolean or null)
+    value                      - user editable contents (Boolean or null)
     setContents(Boolean/null)  - display the argument (Boolean or null)
-
 */
 
 // BooleanSlotMorph inherits from ArgMorph:
@@ -10848,7 +10847,7 @@ function BlockHighlightMorph() {
     evaluation is handles by the interpreter
 */
 
-// MultiArgMorph  inherits from ArgMorph:
+// MultiArgMorph inherits from ArgMorph:
 
 MultiArgMorph.prototype = new ArgMorph();
 MultiArgMorph.prototype.constructor = MultiArgMorph;
@@ -11256,10 +11255,9 @@ MultiArgMorph.prototype.mappedCode = function (definitions) {
 // MultiArgMorph arity evaluating:
 
 MultiArgMorph.prototype.evaluate = function () {
-/*
+    // this is usually overridden by the interpreter. This method is only
-    this is usually overridden by the interpreter. This method is only
+    // called (and needed) for the variables menu.
-    called (and needed) for the variables menu.
+
-*/
     var result = [];
     this.inputs().forEach(function (slot) {
         result.push(slot.evaluate());
@@ -11285,7 +11283,7 @@ MultiArgMorph.prototype.isEmptySlot = function () {
     input's value along.
 */
 
-// ArgLabelMorph  inherits from ArgMorph:
+// ArgLabelMorph inherits from ArgMorph:
 
 ArgLabelMorph.prototype = new ArgMorph();
 ArgLabelMorph.prototype.constructor = ArgLabelMorph;
@@ -11395,10 +11393,9 @@ ArgLabelMorph.prototype.reactToGrabOf = function () {
 // ArgLabelMorph evaluating:
 
 ArgLabelMorph.prototype.evaluate = function () {
-/*
+    // this is usually overridden by the interpreter. This method is only
-    this is usually overridden by the interpreter. This method is only
+    // called (and needed) for the variables menu.
-    called (and needed) for the variables menu.
+
-*/
     return this.argMorph().evaluate();
 };
 
@@ -11410,7 +11407,7 @@ ArgLabelMorph.prototype.isEmptySlot = function () {
 
 /*
     I am an unevaluated, non-editable, rf-colored, rounded or diamond
-    input slot.    My current (only) use is in the THE BLOCK block.
+    input slot. My current (only) use is in the THE BLOCK block.
 
     My command spec is %f
 */

byob.js

@@ -2,7 +2,7 @@
 
     byob.js
 
-    "build your own blocks" for SNAP!
+    "build your own blocks" for Snap!
     based on morphic.js, widgets.js blocks.js, threads.js and objects.js
     inspired by Scratch
 
@@ -108,7 +108,7 @@ WatcherMorph, Variable*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.byob = '2016-September-27';
+modules.byob = '2016-December-27';
 
 // Declarations
 

gui.js

@@ -72,7 +72,7 @@ isRetinaSupported, SliderMorph, Animation*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.gui = '2016-December-19';
+modules.gui = '2016-December-27';
 
 // Declarations
 
@@ -1358,6 +1358,7 @@ IDE_Morph.prototype.createSpriteEditor = function () {
         this.spriteEditor.contents.acceptsDrops = true;
 
         scripts.scrollFrame = this.spriteEditor;
+        scripts.updateUndropControls();
         this.add(this.spriteEditor);
         this.spriteEditor.scrollX(this.spriteEditor.padding);
         this.spriteEditor.scrollY(this.spriteEditor.padding);
@@ -2410,6 +2411,20 @@ IDE_Morph.prototype.settingsMenu = function () {
         );
     }
     menu.addLine();
+    /*
+    addPreference(
+        'JavaScript',
+        function () {
+            Process.prototype.enableJS = !Process.prototype.enableJS;
+            myself.currentSprite.blocksCache.operators = null;
+            myself.currentSprite.paletteCache.operators = null;
+            myself.refreshPalette();
+        },
+        Process.prototype.enableJS,
+        'uncheck to disable support for\nnative JavaScript functions',
+        'check to support\nnative JavaScript functions'
+    );
+    */
     if (isRetinaSupported()) {
         addPreference(
             'Retina display support',
@@ -2485,7 +2500,7 @@ IDE_Morph.prototype.settingsMenu = function () {
             'Execute on slider change',
             'toggleSliderExecute',
             ArgMorph.prototype.executeOnSliderEdit,
-            'uncheck to supress\nrunning scripts\nwhen moving the slider',
+            'uncheck to suppress\nrunning scripts\nwhen moving the slider',
             'check to run\nthe edited script\nwhen moving the slider'
         );
     }
@@ -4475,6 +4490,8 @@ IDE_Morph.prototype.toggleAppMode = function (appMode) {
                 }
             });
         }
+        // update undrop controls
+        this.currentSprite.scripts.updateUndropControls();
     }
     this.setExtent(this.world().extent()); // resume trackChanges
 };

history.txt

@@ -3206,6 +3206,24 @@ http://snap.berkeley.edu/run#cloud:Username=jens&ProjectName=rotation
 ------
 * Objects: added Boolean operators to “reporterize”
 
+161222
+------
+* Objects: simplified reporterize>>blockFromAST
+* Threads: prevented color slots from flashing. Good catch, thanks, Joan!
+
+161223
+------
+* Objects: tweaked reporterize infixParser
+
+161225
+------
+* GUI: update undrop controls when switching sprites and display modes
+
+161227
+------
+* GUI, Threads, Objects, Store: Disable JS-Functions, to protect users from malicious scripts, commented out for now
+
+
 == v4.10 === (in development)
 
 Features:

lang-ca.js

@@ -846,7 +846,7 @@ SnapTranslator.dict.ca = {
     'uncheck for round ends of lines':
         'desmarqueu per fer que\nels extrems de les línies\ndel llapis siguin arrodonides',
     'Inheritance support':
-        'Suport per a herència',
+        'Suport a l\'herència d\'objectes',
 
     // inputs
     'with inputs':
@@ -1122,9 +1122,9 @@ SnapTranslator.dict.ca = {
     'Command\n(C-shape)':
         'Comanda\n(en forma de C)',
     'Any\n(unevaluated)':
-        'Qualsevol\n(sense evaluar)',
+        'Qualsevol\n(sense avaluar)',
     'Boolean\n(unevaluated)':
-        'Booleà\n(sense evaluar)',
+        'Booleà\n(sense avaluar)',
     'Single input.':
         'Entrada única.',
     'Default Value:':
@@ -1904,8 +1904,6 @@ SnapTranslator.dict.ca = {
         'desmarqueu per deshabilitar\nel suport a l\'edició per teclat',
     'check to enable\nkeyboard editing support':
         'marqueu per habilitar\nel suport a l\'edició per teclat',
-    'Inheritance support':
-        'Suport a l\'herència d\'objectes',
     'uncheck to disable\nsprite inheritance features':
         'desmarqueu per deshabilitar les\nfuncionalitats relatives a l\'herència d\'objectes',
     'check for sprite\ninheritance features':
@@ -1924,8 +1922,6 @@ SnapTranslator.dict.ca = {
 		'captura de pantalla',
 	'stage image':
 		'imatge de l\'escenari',
-	'frames':
-		'frames',
 	'processes':
 		'processos',
 	'map %repRing over %l':

lang-pt.js

@@ -1909,8 +1909,6 @@ SnapTranslator.dict.pt = {
         'Desassinalar para desactivar\na edição usando o teclado.',
     'check to enable\nkeyboard editing support':
         'Assinalar para activar\na edição usando o teclado.',
-    'Inheritance support':
-        'Suporte para herança',
     'uncheck to disable\nsprite inheritance features':
         'Desassinalar para desactivar\nfuncionalidades de herança de actores.',
     'check for sprite\ninheritance features':

lang-zh_CN.js

@@ -1,6 +1,6 @@
 /*
 
-    lang-zh.js
+    lang-zh_CN.js
 
     Simplified Chinese translation for SNAP!
 
@@ -166,7 +166,7 @@
 
 /*global SnapTranslator*/
 
-SnapTranslator.dict.zh = {
+SnapTranslator.dict.zh_CN = {
 
 /*
     Special characters: (see <http://0xcc.net/jsescape/>)

lang-zh_TW.js

@@ -1,6 +1,6 @@
 /*
 
-	lang-tw.js
+	lang-zh_TW.js
 
 	Traditional Chinese translation for SNAP!
 	SNAP 繁體中文翻譯版
@@ -167,7 +167,7 @@
 
 /*global SnapTranslator*/
 
-SnapTranslator.dict.tw = {
+SnapTranslator.dict.zh_TW = {
 
 /*
     Special characters: (see <http://0xcc.net/jsescape/>)

libraries/try-catch.xml

@@ -0,0 +1 @@
+<blocks app="Snap! 4.0, http://snap.berkeley.edu" version="1"><block-definition s="safely try %&apos;action&apos; then if %&apos;error&apos; %&apos;handler&apos;" type="command" category="control"><header></header><code></code><inputs><input type="%cs"></input><input type="%upvar"></input><input type="%cs"></input></inputs><script><custom-block s="let %upvar be %s"><l>reset</l><block s="evaluate"><block s="reportJSFunction"><list><l>proc</l></list><l>var oldHandleError = proc.handleError,&#xD;    oldCatchingErrors = proc.isCatchingErrors;&#xD;&#xD;return function(){&#xD; proc.handleError = oldHandleError;&#xD; proc.isCatchingErrors = oldCatchingErrors;&#xD;}</l></block><list></list></block></custom-block><block s="doCallCC"><block s="reifyScript"><script><block s="doRun"><block s="reportJSFunction"><list><l>reset</l><l>action</l><l>handler</l><l>proc</l></list><l>proc.isCatchingErrors = true;&#xD;proc.handleError = function(error, element){&#xD; reset();&#xD; proc.context = handler;&#xD; proc.context.variables.setVar("error", error);&#xD;}&#xD;&#xD;try{&#xD; proc.evaluate(action, new List(), true);&#xD;}&#xD;catch(e){&#xD; proc.handleError(e, null);&#xD;} </l></block><list><block var="reset"/><block var="action"/><block s="reifyScript"><script><block s="doRun"><block s="reifyScript"><script><block s="doRun"><block var="handler"/><list></list></block><block s="doRun"><block var="return"/><list></list></block></script><list></list></block><list></list></block></script><list></list></block></list></block></script><list><l>return</l></list></block></block><block s="doRun"><block var="reset"/><list></list></block></script></block-definition><block-definition s="error %&apos;msg&apos;" type="command" category="control"><header></header><code></code><inputs><input type="%txt"></input></inputs><script><block s="doRun"><block s="reportJSFunction"><list><l>msg</l></list><l>throw new Error(msg);</l></block><list><block var="msg"/></list></block></script></block-definition><block-definition s="let %&apos;var&apos; be %&apos;val&apos;" type="command" category="other"><header></header><code></code><inputs><input type="%upvar"></input><input type="%s"></input></inputs><script><block s="doSetVar"><l>var</l><block var="val"/></block></script></block-definition></blocks>

locale.js

@@ -42,7 +42,7 @@
 
 /*global modules, contains*/
 
-modules.locale = '2016-December-09';
+modules.locale = '2016-December-27';
 
 // Global stuff
 
@@ -229,7 +229,7 @@ SnapTranslator.dict.cs = {
         '2015-11-16'
 };
 
-SnapTranslator.dict.zh = {
+SnapTranslator.dict.zh_CN = {
     'language_name':
         '简体中文',
     'language_translator':
@@ -317,7 +317,7 @@ SnapTranslator.dict.pl = {
         '2016-11-14'
 };
 
-SnapTranslator.dict.tw = {
+SnapTranslator.dict.zh_TW = {
     'language_name':
         '繁體中文',
     'language_translator':

morphic.js

@@ -1136,7 +1136,7 @@
 
 /*global window, HTMLCanvasElement, FileReader, Audio, FileList*/
 
-var morphicVersion = '2016-December-12';
+var morphicVersion = '2016-December-27';
 var modules = {}; // keep track of additional loaded modules
 var useBlurredShadows = getBlurredShadowSupport(); // check for Chrome-bug
 
@@ -3849,9 +3849,7 @@ Morph.prototype.perish = function (msecs, onComplete) {
 
 // Morph utilities:
 
-Morph.prototype.nop = function () {
+Morph.prototype.nop = nop;
-    nop();
-};
 
 Morph.prototype.resize = function () {
     this.world().activeHandle = new HandleMorph(this);
@@ -4122,7 +4120,7 @@ Morph.prototype.developersMenu = function () {
     menu.addItem(
         "pick up",
         'pickUp',
-        'disattach and put \ninto the hand'
+        'detach and put \ninto the hand'
     );
     menu.addItem(
         "attach...",
@@ -6310,9 +6308,7 @@ SliderButtonMorph.prototype.init = function (orientation) {
     SliderButtonMorph.uber.init.call(this, orientation);
 };
 
-SliderButtonMorph.prototype.autoOrientation = function () {
+SliderButtonMorph.prototype.autoOrientation = nop;
-    nop();
-};
 
 SliderButtonMorph.prototype.drawNew = function () {
     var colorBak = this.color.copy();
@@ -6548,9 +6544,7 @@ SliderMorph.prototype.init = function (
     // this.drawNew();
 };
 
-SliderMorph.prototype.autoOrientation = function () {
+SliderMorph.prototype.autoOrientation = nop;
-    nop();
-};
 
 SliderMorph.prototype.rangeSize = function () {
     return this.stop - this.start;
@@ -9833,9 +9827,7 @@ ScrollFrameMorph.prototype.scrollY = function (steps) {
     }
 };
 
-ScrollFrameMorph.prototype.step = function () {
+ScrollFrameMorph.prototype.step = nop;
-    nop();
-};
 
 ScrollFrameMorph.prototype.mouseDownLeft = function (pos) {
     if (!this.isScrollingByDragging) {
@@ -10026,7 +10018,6 @@ ScrollFrameMorph.prototype.developersMenu = function () {
     return menu;
 };
 
-
 ScrollFrameMorph.prototype.toggleTextLineWrapping = function () {
     this.isTextLineWrapping = !this.isTextLineWrapping;
 };
@@ -11447,21 +11438,13 @@ WorldMorph.prototype.initEventListeners = function () {
     };
 };
 
-WorldMorph.prototype.mouseDownLeft = function () {
+WorldMorph.prototype.mouseDownLeft = nop;
-    nop();
-};
 
-WorldMorph.prototype.mouseClickLeft = function () {
+WorldMorph.prototype.mouseClickLeft = nop;
-    nop();
-};
 
-WorldMorph.prototype.mouseDownRight = function () {
+WorldMorph.prototype.mouseDownRight = nop;
-    nop();
-};
 
-WorldMorph.prototype.mouseClickRight = function () {
+WorldMorph.prototype.mouseClickRight = nop;
-    nop();
-};
 
 WorldMorph.prototype.wantsDropOf = function () {
     // allow handle drops if any drops are allowed
@@ -11538,7 +11521,7 @@ WorldMorph.prototype.contextMenu = function () {
         menu.addItem(
             "fill page...",
             'fillPage',
-            'let the World automatically\nadjust to browser resizings'
+            'let the World automatically\nadjust to browser resizing'
         );
         if (useBlurredShadows) {
             menu.addItem(

objects.js

@@ -82,7 +82,7 @@ SpeechBubbleMorph, RingMorph, isNil, FileReader, TableDialogMorph,
 BlockEditorMorph, BlockDialogMorph, PrototypeHatBlockMorph, localize,
 TableMorph, TableFrameMorph, normalizeCanvas, BooleanSlotMorph*/
 
-modules.objects = '2016-December-21';
+modules.objects = '2016-December-27';
 
 var SpriteMorph;
 var StageMorph;
@@ -2027,8 +2027,11 @@ SpriteMorph.prototype.blockTemplates = function (category) {
         blocks.push('-');
         blocks.push(block('reportIsA'));
         blocks.push(block('reportIsIdentical'));
-        blocks.push('-');
+
-        blocks.push(block('reportJSFunction'));
+        if (true) { // (Process.prototype.enableJS) {
+            blocks.push('-');
+            blocks.push(block('reportJSFunction'));
+        }
 
     // for debugging: ///////////////
 
@@ -2641,8 +2644,8 @@ SpriteMorph.prototype.reporterize = function (expressionString) {
     var ast;
 
     function parseInfix(expression, operator, already) {
-        // very basic binary infix parser for arithmetic expressions
+        // very basic diadic infix parser for arithmetic expressions
-        // with strict left-to-right operator precedence (like in Smalltalk)
+        // with strict left-to-right operator precedence (as in Smalltalk)
         // which can be overriden by - nested - parentheses.
         // assumes well-formed expressions, no graceful error handling yet.
 
@@ -2702,13 +2705,17 @@ SpriteMorph.prototype.reporterize = function (expressionString) {
             case '&':
             case '|':
                 if (!operator && !inputs[0].length) {
-                    inputs[0] += ch;
+                    inputs[0] = ch;
                 } else if (operator) {
-                    return parseInfix(
+                    if (!inputs[1].length) {
-                        expression.slice(idx),
+                        inputs[1] = ch;
-                        ch,
+                    } else {
-                        [operator, already, format(inputs[1])]
+                        return parseInfix(
-                    );
+                            expression.slice(idx),
+                            ch,
+                            [operator, already, format(inputs[1])]
+                        );
+                    }
                 } else {
                     operator = ch;
                     already = format(inputs[0]);
@@ -2725,7 +2732,8 @@ SpriteMorph.prototype.reporterize = function (expressionString) {
     }
 
     function blockFromAST(ast) {
-        var block, selectors, monads, alias, key, sel, i, inps;
+        var block, selectors, monads, alias, key, sel, i, inps,
+            off = 1;
         selectors = {
             '+': 'reportSum',
             '-': 'reportDifference',
@@ -2747,60 +2755,40 @@ SpriteMorph.prototype.reporterize = function (expressionString) {
             '!' : 'not'
         };
         key = alias[ast[0]] || ast[0];
-        if (contains(monads, key)) {
+        if (contains(monads, key)) { // monadic
             sel = selectors[key];
-            if (sel) {
+            if (sel) { // single input
                 block = SpriteMorph.prototype.blockForSelector(sel);
                 inps = block.inputs();
-                i = 0;
+            } else { // two inputs, first is function name
-            } else {
                 block = SpriteMorph.prototype.blockForSelector('reportMonadic');
                 inps = block.inputs();
                 inps[0].setContents([key]);
-                i = 1;
+                off = 0;
             }
-            if (ast[1] instanceof Array) {
+        } else { // diadic
-                block.silentReplaceInput(inps[i], blockFromAST(ast[1]));
+            block = SpriteMorph.prototype.blockForSelector(selectors[key]);
-            } else if (isString(ast[1])) {
+            inps = block.inputs();
-                if (contains(['true', 'false'], ast[1])) {
+        }
+        for (i = 1; i < ast.length; i += 1) {
+            if (ast[i] instanceof Array) {
+                block.silentReplaceInput(inps[i - off], blockFromAST(ast[i]));
+            } else if (isString(ast[i])) {
+                if (contains(['true', 'false'], ast[i])) {
                     block.silentReplaceInput(
-                        inps[i],
+                        inps[i - off],
                         SpriteMorph.prototype.blockForSelector(
-                            ast[1] === 'true' ? 'reportTrue' : 'reportFalse'
+                            ast[i] === 'true' ? 'reportTrue' : 'reportFalse'
                         )
                     );
-                } else if (ast[1] !== '_') {
+                } else if (ast[i] !== '_') {
                     block.silentReplaceInput(
-                        inps[i],
+                        inps[i - off],
-                        SpriteMorph.prototype.variableBlock(ast[1])
+                        SpriteMorph.prototype.variableBlock(ast[i])
                     );
                 }
             } else { // number
-                inps[i].setContents(ast[1]);
+                inps[i - off].setContents(ast[i]);
-            }
-        } else { // diadic
-            block = SpriteMorph.prototype.blockForSelector(selectors[ast[0]]);
-            inps = block.inputs();
-            for (i = 1; i < 3; i += 1) {
-                if (ast[i] instanceof Array) {
-                    block.silentReplaceInput(inps[i - 1], blockFromAST(ast[i]));
-                } else if (isString(ast[i])) {
-                    if (contains(['true', 'false'], ast[i])) {
-                        block.silentReplaceInput(
-                            inps[i - 1],
-                            SpriteMorph.prototype.blockForSelector(
-                                ast[i] === 'true' ? 'reportTrue' : 'reportFalse'
-                            )
-                        );
-                    } else if (ast[i] !== '_') {
-                        block.silentReplaceInput(
-                            inps[i - 1],
-                            SpriteMorph.prototype.variableBlock(ast[i])
-                        );
-                    }
-                } else { // number
-                    inps[i - 1].setContents(ast[i]);
-                }
             }
         }
         block.isDraggable = true;
@@ -6248,8 +6236,11 @@ StageMorph.prototype.blockTemplates = function (category) {
         blocks.push('-');
         blocks.push(block('reportIsA'));
         blocks.push(block('reportIsIdentical'));
-        blocks.push('-');
+
-        blocks.push(block('reportJSFunction'));
+        if (true) { // (Process.prototype.enableJS) {
+            blocks.push('-');
+            blocks.push(block('reportJSFunction'));
+        }
 
     // for debugging: ///////////////
 

store.js

@@ -61,7 +61,7 @@ normalizeCanvas*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.store = '2016-November-24';
+modules.store = '2016-December-27';
 
 
 // XML_Serializer ///////////////////////////////////////////////////////
@@ -1017,6 +1017,16 @@ SnapSerializer.prototype.loadBlock = function (model, isReporter) {
                 model.attributes['var']
             );
         }
+        /*
+        if (model.attributes.s === 'reportJSFunction' &&
+                !Process.prototype.enableJS) {
+            if (window.confirm('enable JavaScript?')) {
+                Process.prototype.enableJS = true;
+            } else {
+                throw new Error('JavaScript is not enabled');
+            }
+        }
+        */
         block = SpriteMorph.prototype.blockForSelector(model.attributes.s);
     } else if (model.tag === 'custom-block') {
         isGlobal = model.attributes.scope ? false : true;

threads.js

@@ -59,9 +59,9 @@ degrees, detect, nop, radians, ReporterSlotMorph, CSlotMorph, RingMorph,
 IDE_Morph, ArgLabelMorph, localize, XML_Element, hex_sha512, TableDialogMorph,
 StageMorph, SpriteMorph, StagePrompterMorph, Note, modules, isString, copy,
 isNil, WatcherMorph, List, ListWatcherMorph, alert, console, TableMorph,
-TableFrameMorph, isSnapObject*/
+TableFrameMorph, ColorSlotMorph, isSnapObject*/
 
-modules.threads = '2016-October-27';
+modules.threads = '2016-December-27';
 
 var ThreadManager;
 var Process;
@@ -473,6 +473,7 @@ Process.prototype.isCatchingErrors = true;
 Process.prototype.enableLiveCoding = false; // experimental
 Process.prototype.enableSingleStepping = false; // experimental
 Process.prototype.flashTime = 0; // experimental
+// Process.prototype.enableJS = false;
 
 function Process(topBlock, onComplete, rightAway) {
     this.topBlock = topBlock || null;
@@ -1000,6 +1001,11 @@ Process.prototype.evaluate = function (
 ) {
     if (!context) {return null; }
     if (context instanceof Function) {
+        /*
+        if (!this.enableJS) {
+            throw new Error('JavaScript is not enabled');
+        }
+        */
         return context.apply(
             this.blockReceiver(),
             args.asArray().concat([this])
@@ -3357,7 +3363,8 @@ Process.prototype.flashContext = function () {
             expr instanceof SyntaxElementMorph &&
             !(expr instanceof CommandSlotMorph) &&
             !this.context.isFlashing &&
-            expr.world()) {
+            expr.world() &&
+            !(expr instanceof ColorSlotMorph)) {
         this.unflash();
         expr.flash();
         this.context.isFlashing = true;