ast+js: Compile sensing_of

src/compiler/astgen.js

@@ -614,6 +614,12 @@ class ScriptTreeGenerator {
                 kind: 'constant',
                 value: block.fields.OBJECT.value
             };
+        case 'sensing_of':
+            return {
+                kind: 'sensing.of',
+                property: block.fields.PROPERTY.value,
+                object: this.descendInput(block, 'OBJECT')
+            };
         case 'sensing_timer':
             return {
                 kind: 'timer.get'

src/compiler/compat-blocks.js

@@ -50,7 +50,6 @@ const inputs = [
     'sensing_current',
     'sensing_loud',
     'sensing_loudness',
-    'sensing_of',
     'sound_volume',
     'translate_getTranslate',
     'translate_getViewerLanguage',

src/compiler/jsgen.js

@@ -471,6 +471,8 @@ class JSGenerator {
         case 'sensing.distance':
             // TODO: on stages, this can be computed at compile time
             return new TypedInput(`distance(${this.descendInput(node.target).asString()})`, TYPE_NUMBER);
+        case 'sensing.of':
+            return new TypedInput(`runtime.ext_scratch3_sensing.getAttributeOf({OBJECT: ${this.descendInput(node.object).asString()}, PROPERTY: "${sanitize(node.property)}" })`, TYPE_UNKNOWN);
         case 'sensing.touching':
             return new TypedInput(`target.isTouchingObject(${this.descendInput(node.object).asUnknown()})`, TYPE_BOOLEAN);
         case 'sensing.touchingColor':