Implicitly pass 'scope()' as parent scope for function scopes

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 525 matching lines @@
 
   V8_INLINE void AddParameterInitializationBlock(
       const ParserFormalParameters& parameters,
       ZoneList<v8::internal::Statement*>* body, bool is_async, bool* ok);
 
   void ParseAsyncArrowSingleExpressionBody(
       ZoneList<Statement*>* body, bool accept_IN,
       Type::ExpressionClassifier* classifier, int pos, bool* ok);
 
   V8_INLINE Scope* NewScope(Scope* parent_scope, ScopeType scope_type);
-  V8_INLINE Scope* NewFunctionScope(Scope* parent_scope, FunctionKind kind);
+  V8_INLINE Scope* NewFunctionScope(FunctionKind kind);
 
   V8_INLINE void AddFormalParameter(ParserFormalParameters* parameters,
                                     Expression* pattern,
                                     Expression* initializer,
                                     int initializer_end_position, bool is_rest);
   V8_INLINE void DeclareFormalParameter(
       Scope* scope, const ParserFormalParameters::Parameter& parameter,
       Type::ExpressionClassifier* classifier);
   void ParseArrowFunctionFormalParameters(ParserFormalParameters* parameters,
                                           Expression* params, int end_pos,
@@ skipping 484 matching lines @@
   void DeclareImport(const AstRawString* local_name, int pos, bool* ok);
 
   bool TargetStackContainsLabel(const AstRawString* label);
   BreakableStatement* LookupBreakTarget(const AstRawString* label, bool* ok);
   IterationStatement* LookupContinueTarget(const AstRawString* label, bool* ok);
 
   Statement* BuildAssertIsCoercible(Variable* var);
 
   // Factory methods.
   FunctionLiteral* DefaultConstructor(const AstRawString* name, bool call_super,
-                                      Scope* scope, int pos, int end_pos,
+                                      int pos, int end_pos,
                                       LanguageMode language_mode);
 
   // Skip over a lazy function, either using cached data if we have it, or
   // by parsing the function with PreParser. Consumes the ending }.
   //
   // If bookmark is set, the (pre-)parser may decide to abort skipping
   // in order to force the function to be eagerly parsed, after all.
   // In this case, it'll reset the scanner using the bookmark.
   void SkipLazyFunctionBody(int* materialized_literal_count,
                             int* expected_property_count, bool* ok,
@@ skipping 78 matching lines @@
 
 bool ParserTraits::IsFutureStrictReserved(
     const AstRawString* identifier) const {
   return parser_->scanner()->IdentifierIsFutureStrictReserved(identifier);
 }
 
 Scope* ParserTraits::NewScope(Scope* parent_scope, ScopeType scope_type) {
   return parser_->NewScope(parent_scope, scope_type);
 }
 
-Scope* ParserTraits::NewFunctionScope(Scope* parent_scope, FunctionKind kind) {
-  return parser_->NewFunctionScope(parent_scope, kind);
+Scope* ParserTraits::NewFunctionScope(FunctionKind kind) {
+  return parser_->NewFunctionScope(kind);
 }
 
 const AstRawString* ParserTraits::EmptyIdentifierString() {
   return parser_->ast_value_factory()->empty_string();
 }
 
 
 void ParserTraits::SkipLazyFunctionBody(int* materialized_literal_count,
                                         int* expected_property_count, bool* ok,
                                         Scanner::BookmarkScope* bookmark) {
@@ skipping 151 matching lines @@
 
 DoExpression* ParserTraits::ParseDoExpression(bool* ok) {
   return parser_->ParseDoExpression(ok);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PARSER_H_