Cleanup class parsing a bit

src/parser.cc

 // 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.
 
 #include "src/v8.h"
 
 #include "src/api.h"
 #include "src/ast.h"
 #include "src/base/platform/platform.h"
 #include "src/bootstrapper.h"
@@ skipping 646 matching lines @@
   return factory->NewVariableProxy(scope->receiver(), pos);
 }
 
 Expression* ParserTraits::SuperReference(
     Scope* scope, AstNodeFactory<AstConstructionVisitor>* factory, int pos) {
   return factory->NewSuperReference(
       ThisExpression(scope, factory, pos)->AsVariableProxy(),
       pos);
 }
 
+Expression* ParserTraits::ClassLiteral(
+    const AstRawString* name, Expression* extends, Expression* constructor,
+    ZoneList<ObjectLiteral::Property*>* properties, int pos,
+    AstNodeFactory<AstConstructionVisitor>* factory) {
+  return factory->NewClassLiteral(name, extends, constructor, properties, pos);
+}
+
 Literal* ParserTraits::ExpressionFromLiteral(
     Token::Value token, int pos,
     Scanner* scanner,
     AstNodeFactory<AstConstructionVisitor>* factory) {
   switch (token) {
     case Token::NULL_LITERAL:
       return factory->NewNullLiteral(pos);
     case Token::TRUE_LITERAL:
       return factory->NewBooleanLiteral(true, pos);
     case Token::FALSE_LITERAL:
@@ skipping 1278 matching lines @@
   //
   //   let C = class C { ... };
   //
   // so rewrite it as such.
 
   Expect(Token::CLASS, CHECK_OK);
   int pos = position();
   bool is_strict_reserved = false;
   const AstRawString* name =
       ParseIdentifierOrStrictReservedWord(&is_strict_reserved, CHECK_OK);
-  ClassLiteral* value = ParseClassLiteral(name, scanner()->location(),
-                                          is_strict_reserved, pos, CHECK_OK);
+  Expression* value = ParseClassLiteral(name, scanner()->location(),
+                                        is_strict_reserved, pos, CHECK_OK);
 
   Block* block = factory()->NewBlock(NULL, 1, true, pos);
   VariableMode mode = LET;
   VariableProxy* proxy = NewUnresolved(name, mode, Interface::NewValue());
   Declaration* declaration =
       factory()->NewVariableDeclaration(proxy, mode, scope_, pos);
   Declare(declaration, true, CHECK_OK);
 
   Token::Value init_op = Token::INIT_LET;
   Assignment* assignment = factory()->NewAssignment(init_op, proxy, value, pos);
@@ skipping 2969 matching lines @@
 
   // We cannot internalize on a background thread; a foreground task will take
   // care of calling Parser::Internalize just before compilation.
 
   if (compile_options() == ScriptCompiler::kProduceParserCache) {
     if (result != NULL) *info_->cached_data() = recorder.GetScriptData();
     log_ = NULL;
   }
 }
 } }  // namespace v8::internal