New getter syntax for top-level getters

runtime/vm/parser.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/parser.h"
 
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/compiler_stats.h"
@@ skipping 3748 matching lines @@
     is_getter = (CurrentToken() == Token::kGET);
     if (CurrentToken() == Token::kGET || CurrentToken() == Token::kSET) {
       ConsumeToken();
     } else {
       UnexpectedToken();
     }
   }
   const intptr_t name_pos = TokenPos();
   const String* field_name = ExpectIdentifier("accessor name expected");
 
-  if (CurrentToken() != Token::kLPAREN) {
-    ErrorMsg("'(' expected");
-  }
   const intptr_t accessor_pos = TokenPos();
   ParamList params;
-  const bool allow_explicit_default_values = true;
-  ParseFormalParameterList(allow_explicit_default_values, &params);
+  // TODO(hausner): Remove the ( check once we remove old getter syntax.
+  if (!is_getter || (CurrentToken() == Token::kLPAREN)) {
+    const bool allow_explicit_default_values = true;
+    ParseFormalParameterList(allow_explicit_default_values, &params);
+  }
   String& accessor_name = String::ZoneHandle();
   int expected_num_parameters = -1;
   if (is_getter) {
     expected_num_parameters = 0;
     accessor_name = Field::GetterSymbol(*field_name);
   } else {
     expected_num_parameters = 1;
     accessor_name = Field::SetterSymbol(*field_name);
   }
   if ((params.num_fixed_parameters != expected_num_parameters) ||
@@ skipping 5296 matching lines @@
 void Parser::SkipQualIdent() {
   ASSERT(IsIdentifier());
   ConsumeToken();
   if (CurrentToken() == Token::kPERIOD) {
     ConsumeToken();  // Consume the kPERIOD token.
     ExpectIdentifier("identifier expected after '.'");
   }
 }
 
 }  // namespace dart