ES6: Add support for super in object literals

src/preparser.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_PREPARSER_H
 #define V8_PREPARSER_H
 
 #include "src/v8.h"
 
 #include "src/bailout-reason.h"
@@ skipping 947 matching lines @@
   // When PreParser is in use, lazy compilation is already being done,
   // things cannot get lazier than that.
   bool AllowsLazyCompilation() const { return false; }
 
   void set_start_position(int position) {}
   void set_end_position(int position) {}
 
   bool IsDeclared(const PreParserIdentifier& identifier) const { return false; }
   void DeclareParameter(const PreParserIdentifier& identifier, VariableMode) {}
   void RecordArgumentsUsage() {}
+  void RecordSuperUsage() {}
   void RecordThisUsage() {}
 
   // Allow scope->Foo() to work.
   PreParserScope* operator->() { return this; }
 
  private:
   ScopeType scope_type_;
   StrictMode strict_mode_;
 };
 
@@ skipping 1523 matching lines @@
   // new new foo()() means (new (new foo())())
   // new new foo means new (new foo)
   // new new foo() means new (new foo())
   // new new foo().bar().baz means (new (new foo()).bar()).baz
 
   if (peek() == Token::NEW) {
     Consume(Token::NEW);
     int new_pos = position();
     ExpressionT result = this->EmptyExpression();
     if (Check(Token::SUPER)) {
+      scope_->RecordSuperUsage();
       result = this->SuperReference(scope_, factory());
     } else {
       result = this->ParseMemberWithNewPrefixesExpression(CHECK_OK);
     }
     if (peek() == Token::LPAREN) {
       // NewExpression with arguments.
       typename Traits::Type::ExpressionList args =
           this->ParseArguments(CHECK_OK);
       result = factory()->NewCallNew(result, args, new_pos);
       // The expression can still continue with . or [ after the arguments.
@@ skipping 39 matching lines @@
     }
     result = this->ParseFunctionLiteral(
         name, function_name_location, is_strict_reserved_name,
         is_generator ? FunctionKind::kGeneratorFunction
                      : FunctionKind::kNormalFunction,
         function_token_position, function_type, FunctionLiteral::NORMAL_ARITY,
         CHECK_OK);
   } else if (peek() == Token::SUPER) {
     int beg_pos = position();
     Consume(Token::SUPER);
+    scope_->RecordSuperUsage();
     Token::Value next = peek();
     if (next == Token::PERIOD || next == Token::LBRACK ||
         next == Token::LPAREN) {
       result = this->SuperReference(scope_, factory());
     } else {
       ReportMessageAt(Scanner::Location(beg_pos, position()),
                       "unexpected_super");
       *ok = false;
       return this->EmptyExpression();
     }
@@ skipping 281 matching lines @@
       DCHECK(IsAccessorAccessorConflict(old_type, type));
       // Both accessors of the same type.
       parser()->ReportMessage("accessor_get_set");
     }
     *ok = false;
   }
 }
 } }  // v8::internal
 
 #endif  // V8_PREPARSER_H