Cleanup class parsing a bit

src/parser.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_PARSER_H_
 #define V8_PARSER_H_
 
 #include "src/allocation.h"
 #include "src/ast.h"
 #include "src/compiler.h"  // For CachedDataMode
@@ skipping 506 matching lines @@
   }
   static Expression* EmptyExpression() {
     return NULL;
   }
   static Expression* EmptyArrowParamList() { return NULL; }
   static Literal* EmptyLiteral() {
     return NULL;
   }
   static ObjectLiteralProperty* EmptyObjectLiteralProperty() { return NULL; }
   static FunctionLiteral* EmptyFunctionLiteral() { return NULL; }
-  static ClassLiteral* EmptyClassLiteral() { return NULL; }
 
   // Used in error return values.
   static ZoneList<Expression*>* NullExpressionList() {
     return NULL;
   }
 
   // Non-NULL empty string.
   V8_INLINE const AstRawString* EmptyIdentifierString();
 
   // Odd-ball literal creators.
   Literal* GetLiteralTheHole(int position,
                              AstNodeFactory<AstConstructionVisitor>* factory);
 
   // Producing data during the recursive descent.
   const AstRawString* GetSymbol(Scanner* scanner);
   const AstRawString* GetNextSymbol(Scanner* scanner);
   const AstRawString* GetNumberAsSymbol(Scanner* scanner);
 
   Expression* ThisExpression(Scope* scope,
                              AstNodeFactory<AstConstructionVisitor>* factory,
                              int pos = RelocInfo::kNoPosition);
   Expression* SuperReference(Scope* scope,
                              AstNodeFactory<AstConstructionVisitor>* factory,
                              int pos = RelocInfo::kNoPosition);
+  Expression* ClassLiteral(const AstRawString* name, Expression* extends,
+                           Expression* constructor,
+                           ZoneList<ObjectLiteral::Property*>* properties,
+                           int pos,
+                           AstNodeFactory<AstConstructionVisitor>* factory);
+
   Literal* ExpressionFromLiteral(
       Token::Value token, int pos, Scanner* scanner,
       AstNodeFactory<AstConstructionVisitor>* factory);
   Expression* ExpressionFromIdentifier(
       const AstRawString* name, int pos, Scope* scope,
       AstNodeFactory<AstConstructionVisitor>* factory);
   Expression* ExpressionFromString(
       int pos, Scanner* scanner,
       AstNodeFactory<AstConstructionVisitor>* factory);
   Expression* GetIterator(Expression* iterable,
@@ skipping 354 matching lines @@
  private:
   static const int kLiteralTypeSlot = 0;
   static const int kElementsSlot = 1;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_PARSER_H_