Inline fast-path of Scope::LookupLocal

src/ast/scopes.cc

 // 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.
 
 #include "src/ast/scopes.h"
 
 #include <set>
 
 #include "src/accessors.h"
 #include "src/bootstrapper.h"
@@ skipping 571 matching lines @@
 }
 
 
 void Scope::PropagateUsageFlagsToScope(Scope* other) {
   DCHECK_NOT_NULL(other);
   DCHECK(!already_resolved_);
   DCHECK(!other->already_resolved_);
   if (calls_eval()) other->RecordEvalCall();
 }
 
-
-Variable* Scope::LookupLocal(const AstRawString* name) {
-  Variable* result = variables_.Lookup(name);
-  if (result != NULL || scope_info_.is_null()) {
-    return result;
-  }
+Variable* Scope::LookupInScopeInfo(const AstRawString* name) {
   Handle<String> name_handle = name->string();
   // The Scope is backed up by ScopeInfo. This means it cannot operate in a
   // heap-independent mode, and all strings must be internalized immediately. So
   // it's ok to get the Handle<String> here.
   // If we have a serialized scope info, we might find the variable there.
   // There should be no local slot with the given name.
   DCHECK(scope_info_->StackSlotIndex(*name_handle) < 0);
 
   // Check context slot lookup.
   VariableMode mode;
@@ skipping 1060 matching lines @@
       function != nullptr && function->IsContextSlot();
   return num_heap_slots() - Context::MIN_CONTEXT_SLOTS - num_global_slots() -
          (is_function_var_in_context ? 1 : 0);
 }
 
 
 int Scope::ContextGlobalCount() const { return num_global_slots(); }
 
 }  // namespace internal
 }  // namespace v8