Convert double interface into abstract class

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 4665 matching lines @@
 }
 
 
 bool Parser::IsSimpleLiteral(const AbstractType& type, Instance* value) {
   bool no_check = type.IsDynamicType();
   if ((CurrentToken() == Token::kINTEGER) &&
       (no_check || type.IsIntInterface() || type.IsNumberType())) {
     *value = CurrentIntegerLiteral();
     return true;
   } else if ((CurrentToken() == Token::kDOUBLE) &&
-      (no_check || type.IsDoubleInterface() || type.IsNumberType())) {
+      (no_check || type.IsDoubleType() || type.IsNumberType())) {
     *value = CurrentDoubleLiteral();
     return true;
   } else if ((CurrentToken() == Token::kSTRING) &&
       (no_check || type.IsStringInterface())) {
     *value = CurrentLiteral()->raw();
     return true;
   } else if ((CurrentToken() == Token::kTRUE) &&
       (no_check || type.IsBoolInterface())) {
     *value = Bool::True();
     return true;
@@ skipping 4538 matching lines @@
 void Parser::SkipQualIdent() {
   ASSERT(IsIdentifier());
   ConsumeToken();
   if (CurrentToken() == Token::kPERIOD) {
     ConsumeToken();  // Consume the kPERIOD token.
     ExpectIdentifier("identifier expected after '.'");
   }
 }
 
 }  // namespace dart