feat(RecordRange): Set context for implicit receivers only

modules/change_detection/src/record.js

@@ -42,7 +42,7 @@ export class ProtoRecord {
               dest) {
 
     this.recordRange = recordRange;
-    this.mode = mode;
+    this._mode = mode;
     this.funcOrValue = funcOrValue;
     this.arity = arity;
     this.dest = dest;
@@ -52,6 +52,10 @@ export class ProtoRecord {
     // The concrete Record instantiated from this ProtoRecord
     this.recordInConstruction = null;
   }
+
+  setIsImplicitReceiver() {
+    this._mode |= RECORD_FLAG_IMPLICIT_RECEIVER;
+  }
 }
 
 
@@ -117,7 +121,7 @@ export class Record {
       return;
     }
 
-    this._mode = protoRecord.mode;
+    this._mode = protoRecord._mode;
 
     var type = this.type;
 
@@ -160,6 +164,10 @@ export class Record {
     }
   }
 
+  get isImplicitReceiver() {
+    return (this._mode & RECORD_FLAG_IMPLICIT_RECEIVER) === RECORD_FLAG_IMPLICIT_RECEIVER;
+  }
+
   static createMarker(rr:RecordRange) {
     return new Record(rr, null, null);
   }

modules/change_detection/src/record_range.js

@@ -1,6 +1,7 @@
 import {
   ProtoRecord,
   Record,
+  RECORD_FLAG_IMPLICIT_RECEIVER,
   RECORD_TYPE_CONST,
   RECORD_TYPE_INVOKE_CLOSURE,
   RECORD_TYPE_INVOKE_FORMATTER,
@@ -245,8 +246,9 @@ export class RecordRange {
     for (var record:Record = this.headRecord;
          record != null;
          record = record.next) {
-
-      record.updateContext(context);
+      if (record.isImplicitReceiver) {
+        record.updateContext(context);
+      }
     }
   }
 }
@@ -287,7 +289,7 @@ class ProtoRecordCreator {
   }
 
   visitImplicitReceiver(ast:ImplicitReceiver, args) {
-    // do nothing
+    throw new BaseException('Should never visit an implicit receiver');
   }
 
   visitLiteralPrimitive(ast:LiteralPrimitive, dest) {
@@ -310,7 +312,11 @@ class ProtoRecordCreator {
 
   visitAccessMember(ast:AccessMember, dest) {
     var record = this.construct(RECORD_TYPE_PROPERTY, ast.getter, 0, dest);
-    ast.receiver.visit(this, new Destination(record, null));
+    if (ast.receiver instanceof ImplicitReceiver) {
+      record.setIsImplicitReceiver();
+    } else {
+      ast.receiver.visit(this, new Destination(record, null));
+    }
     this.add(record);
   }
 
@@ -324,10 +330,14 @@ class ProtoRecordCreator {
 
   visitMethodCall(ast:MethodCall, dest) {
     var record = this.construct(RECORD_TYPE_INVOKE_METHOD, ast.fn, ast.args.length, dest);
-    ast.receiver.visit(this, new Destination(record, null));
     for (var i = 0; i < ast.args.length; ++i) {
       ast.args[i].visit(this, new Destination(record, i));
     }
+    if (ast.receiver instanceof ImplicitReceiver) {
+      record.setIsImplicitReceiver();
+    } else {
+      ast.receiver.visit(this, new Destination(record, null));
+    }
     this.add(record);
   }