Disallow generator declarations in certain locations

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/allocation.h"
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
@@ skipping 741 matching lines @@
                           Scanner::Location* reserved_loc, bool* ok);
   ZoneList<ImportDeclaration*>* ParseNamedImports(int pos, bool* ok);
   Statement* ParseStatement(ZoneList<const AstRawString*>* labels,
                             AllowLabelledFunctionStatement allow_function,
                             bool* ok);
   Statement* ParseSubStatement(ZoneList<const AstRawString*>* labels,
                                AllowLabelledFunctionStatement allow_function,
                                bool* ok);
   Statement* ParseStatementAsUnlabelled(ZoneList<const AstRawString*>* labels,
                                    bool* ok);
-  Statement* ParseFunctionDeclaration(ZoneList<const AstRawString*>* names,
+  Statement* ParseHoistableDeclaration(bool* ok);
+  Statement* ParseHoistableDeclaration(ZoneList<const AstRawString*>* names,
                                       bool* ok);
-  Statement* ParseFunctionDeclaration(int pos, bool is_generator,
+  Statement* ParseHoistableDeclaration(int pos, bool is_generator,
                                       ZoneList<const AstRawString*>* names,
                                       bool* ok);
   Statement* ParseClassDeclaration(ZoneList<const AstRawString*>* names,
                                    bool* ok);
   Statement* ParseNativeDeclaration(bool* ok);
   Block* ParseBlock(ZoneList<const AstRawString*>* labels, bool* ok);
   Block* ParseBlock(ZoneList<const AstRawString*>* labels,
                     bool finalize_block_scope, bool* ok);
   Block* ParseVariableStatement(VariableDeclarationContext var_context,
                                 ZoneList<const AstRawString*>* names,
@@ skipping 471 matching lines @@
 
 DoExpression* ParserTraits::ParseDoExpression(bool* ok) {
   return parser_->ParseDoExpression(ok);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PARSER_H_