added syntax tree representation for variable getters

HISTORY.md

@@ -11,6 +11,9 @@
 * **Translation Updates:**
     * Catalan library translations, thanks, Joan!
 
+### 2022-01-07
+* blocks: added syntax tree representation for variable getters
+
 ### 2022-01-06
 * Catalan library translations, thanks, Joan!
 

snap.html

@@ -16,7 +16,7 @@
         <script src="src/morphic.js?version=2021-12-10"></script>
         <script src="src/symbols.js?version=2021-03-03"></script>
         <script src="src/widgets.js?version=2021-17-09"></script>
-        <script src="src/blocks.js?version=2022-01-05"></script>
+        <script src="src/blocks.js?version=2022-01-07"></script>
         <script src="src/threads.js?version=2022-01-04"></script>
         <script src="src/objects.js?version=2022-01-03"></script>
         <script src="src/scenes.js?version=2021-11-24"></script>

src/blocks.js

@@ -160,7 +160,7 @@ CustomCommandBlockMorph, ToggleButtonMorph, DialMorph, SnapExtensions*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.blocks = '2022-January-05';
+modules.blocks = '2022-January-07';
 
 var SyntaxElementMorph;
 var BlockMorph;
@@ -3750,7 +3750,7 @@ BlockMorph.prototype.components = function (parameterNames = []) {
     return seq.length() === 1 ? seq.at(1) : seq;
 };
 
-BlockMorph.prototype.syntaxTree = function (parameterNames) {
+BlockMorph.prototype.syntaxTree = function (parameterNames) { // +++
     var expr = this.fullCopy(),
         nb = expr.nextBlock ? expr.nextBlock() : null,
         inputs, parts;
@@ -3808,6 +3808,10 @@ BlockMorph.prototype.syntaxTree = function (parameterNames) {
         }
     });
     parts.at(1).updateEmptySlots();
+    if (expr.selector === 'reportGetVar') {
+        parts.add(expr.blockSpec);
+        expr.setSpec('var');
+    }
     parameterNames.forEach(name => parts.add(name));
     return parts;
 };