[parser] Refactor of ParseFunctionDeclaration

src/parsing/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_PARSING_PARSER_H_
 #define V8_PARSING_PARSER_H_
 
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
 #include "src/parsing/parser-base.h"
@@ skipping 251 matching lines @@
     const AstRawString* import_name;
     const AstRawString* local_name;
     const Scanner::Location location;
     NamedImport(const AstRawString* import_name, const AstRawString* local_name,
                 Scanner::Location location)
         : import_name(import_name),
           local_name(local_name),
           location(location) {}
   };
   ZoneList<const NamedImport*>* ParseNamedImports(int pos, bool* ok);
-  Statement* ParseFunctionDeclaration(bool* ok);
   Block* BuildInitializationBlock(DeclarationParsingResult* parsing_result,
                                   ZoneList<const AstRawString*>* names,
                                   bool* ok);
   void DeclareAndInitializeVariables(
       Block* block, const DeclarationDescriptor* declaration_descriptor,
       const DeclarationParsingResult::Declaration* declaration,
       ZoneList<const AstRawString*>* names, bool* ok);
   ZoneList<const AstRawString*>* DeclareLabel(
       ZoneList<const AstRawString*>* labels, VariableProxy* expr, bool* ok);
   bool ContainsLabel(ZoneList<const AstRawString*>* labels,
@@ skipping 21 matching lines @@
                                       int class_token_pos, bool* ok);
   V8_INLINE void DeclareClassProperty(const AstRawString* class_name,
                                       ClassLiteralProperty* property,
                                       ClassInfo* class_info, bool* ok);
   V8_INLINE Expression* RewriteClassLiteral(const AstRawString* name,
                                             ClassInfo* class_info, int pos,
                                             bool* ok);
   V8_INLINE Statement* DeclareNative(const AstRawString* name, int pos,
                                      bool* ok);
 
-  Expression* ParseYieldStarExpression(bool* ok);
-
   class PatternRewriter final : public AstVisitor<PatternRewriter> {
    public:
     static void DeclareAndInitializeVariables(
         Parser* parser, Block* block,
         const DeclarationDescriptor* declaration_descriptor,
         const DeclarationParsingResult::Declaration* declaration,
         ZoneList<const AstRawString*>* names, bool* ok);
 
     static void RewriteDestructuringAssignment(Parser* parser,
                                                RewritableExpression* expr,
@@ skipping 764 matching lines @@
   int total_preparse_skipped_;
   HistogramTimer* pre_parse_timer_;
 
   bool parsing_on_main_thread_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PARSER_H_