Chain ScopeInfos together

src/ast/scopes.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_AST_SCOPES_H_
 #define V8_AST_SCOPES_H_
 
 #include "src/ast/ast.h"
 #include "src/base/hashmap.h"
 #include "src/globals.h"
@@ skipping 313 matching lines @@
 
   // inner_scope() and sibling() together implement the inner scope list of a
   // scope. Inner scope points to the an inner scope of the function, and
   // "sibling" points to a next inner scope of the outer scope of this scope.
   Scope* inner_scope() const { return inner_scope_; }
   Scope* sibling() const { return sibling_; }
 
   // The scope immediately surrounding this scope, or NULL.
   Scope* outer_scope() const { return outer_scope_; }
 
+  // The innermost outer scope that needs a context or nullptr.
+  Scope* GetOuterScopeWithContext() const;
+
   const AstRawString* catch_variable_name() const {
     DCHECK(is_catch_scope());
     DCHECK_EQ(1, num_var());
     return static_cast<AstRawString*>(variables_.Start()->key);
   }
 
   // ---------------------------------------------------------------------------
   // Variable allocation.
 
   // Collect variables in this scope. Note that the function variable - if
@@ skipping 504 matching lines @@
   void AllocateModuleVariables();
 
  private:
   ModuleDescriptor* module_descriptor_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_AST_SCOPES_H_