[parser] Refactor of ParseClass* and ParseNativeDeclaration

src/parsing/preparser.h

Index: src/parsing/preparser.h
diff --git a/src/parsing/preparser.h b/src/parsing/preparser.h
index e3a4ece78dd9199097876f225e834681d961e0a7..05a8e8f704ba3affad9a91e20fa726c78f662b00 100644
--- a/src/parsing/preparser.h
+++ b/src/parsing/preparser.h
@@ -727,7 +727,8 @@ struct ParserTypes<PreParser> {
   typedef PreParserExpression ObjectLiteralProperty;
   typedef PreParserExpression ClassLiteralProperty;
   typedef PreParserExpressionList ExpressionList;
-  typedef PreParserExpressionList PropertyList;
+  typedef PreParserExpressionList ObjectPropertyList;
+  typedef PreParserExpressionList ClassPropertyList;
   typedef PreParserFormalParameters FormalParameters;
   typedef PreParserStatement Statement;
   typedef PreParserStatementList StatementList;
@@ -840,8 +841,6 @@ class PreParser : public ParserBase<PreParser> {
   Statement ParseAsyncFunctionDeclaration(ZoneList<const AstRawString*>* names,
                                           bool default_export, bool* ok);
   Expression ParseAsyncFunctionExpression(bool* ok);
-  Statement ParseClassDeclaration(ZoneList<const AstRawString*>* names,
-                                  bool default_export, bool* ok);
   Expression ParseConditionalExpression(bool accept_IN, bool* ok);
   Expression ParseObjectLiteral(bool* ok);
 
@@ -863,11 +862,6 @@ class PreParser : public ParserBase<PreParser> {
       LanguageMode language_mode, bool* ok);
   LazyParsingResult ParseLazyFunctionLiteralBody(bool may_abort, bool* ok);
 
-  PreParserExpression ParseClassLiteral(PreParserIdentifier name,
-                                        Scanner::Location class_name_location,
-                                        bool name_is_strict_reserved, int pos,
-                                        bool* ok);
-
   struct TemplateLiteralState {};
 
   V8_INLINE TemplateLiteralState OpenTemplateLiteral(int pos) {
@@ -947,11 +941,6 @@ class PreParser : public ParserBase<PreParser> {
     return labels;
   }
 
-  V8_INLINE PreParserStatement ParseNativeDeclaration(bool* ok) {
-    UNREACHABLE();
-    return PreParserStatement::Default();
-  }
-
   // TODO(nikolaos): The preparser currently does not keep track of labels.
   V8_INLINE bool ContainsLabel(ZoneList<const AstRawString*>* labels,
                                PreParserIdentifier label) {
@@ -998,6 +987,28 @@ class PreParser : public ParserBase<PreParser> {
     return Statement::Default();
   }
 
+  V8_INLINE PreParserStatement
+  DeclareClass(PreParserIdentifier variable_name, PreParserExpression value,
+               ZoneList<const AstRawString*>* names, int pos, bool* ok) {
+    return PreParserStatement::Default();
+  }
+  V8_INLINE void DeclareClassVariable(PreParserIdentifier name,
+                                      Scope* block_scope, ClassInfo* class_info,
+                                      int pos, bool* ok) {}
+  V8_INLINE void DeclareClassProperty(PreParserIdentifier class_name,
+                                      PreParserExpression property,
+                                      ClassInfo* class_info, bool* ok) {}
+  V8_INLINE PreParserExpression RewriteClassLiteral(PreParserIdentifier name,
+                                                    ClassInfo* class_info,
+                                                    int pos, bool* ok) {
+    return PreParserExpression::Default();
+  }
+
+  V8_INLINE PreParserStatement DeclareNative(PreParserIdentifier name, int pos,
+                                             bool* ok) {
+    return PreParserStatement::Default();
+  }
+
   V8_INLINE void QueueDestructuringAssignmentForRewriting(
       PreParserExpression assignment) {}
   V8_INLINE void QueueNonPatternForRewriting(PreParserExpression expr,
@@ -1105,6 +1116,7 @@ class PreParser : public ParserBase<PreParser> {
   V8_INLINE void PushPropertyName(PreParserExpression expression) {}
   V8_INLINE void PushEnclosingName(PreParserIdentifier name) {}
   V8_INLINE static void InferFunctionName(PreParserExpression expression) {}
+  V8_INLINE static void Infer() {}
 
   V8_INLINE static void CheckAssigningFunctionLiteralToProperty(
       PreParserExpression left, PreParserExpression right) {}
@@ -1321,7 +1333,11 @@ class PreParser : public ParserBase<PreParser> {
     return PreParserExpressionList();
   }
 
-  V8_INLINE PreParserExpressionList NewPropertyList(int size) const {
+  V8_INLINE PreParserExpressionList NewObjectPropertyList(int size) const {
+    return PreParserExpressionList();
+  }
+
+  V8_INLINE PreParserExpressionList NewClassPropertyList(int size) const {
     return PreParserExpressionList();
   }