Store the ScopeInfo in WithContexts

src/ast/scopeinfo.cc

 // Copyright 2011 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 <stdlib.h>
 
 #include "src/ast/context-slot-cache.h"
 #include "src/ast/scopes.h"
 #include "src/bootstrapper.h"
 
@@ skipping 223 matching lines @@
     // The variable entries themselves have already been written above.
     index += kModuleVariableEntryLength * module_vars_count;
   }
 
   DCHECK_EQ(index, scope_info->length());
   DCHECK_EQ(scope->num_parameters(), scope_info->ParameterCount());
   DCHECK_EQ(scope->num_heap_slots(), scope_info->ContextLength());
   return scope_info;
 }
 
+Handle<ScopeInfo> ScopeInfo::CreateForWithScope(Isolate* isolate) {
+  const int length = kVariablePartIndex + 1;
+
+  Factory* factory = isolate->factory();
+  Handle<ScopeInfo> scope_info = factory->NewScopeInfo(length);
+
+  // Encode the flags.
+  int flags =
+      ScopeTypeField::encode(WITH_SCOPE) | CallsEvalField::encode(false) |
+      LanguageModeField::encode(SLOPPY) | DeclarationScopeField::encode(false) |
+      ReceiverVariableField::encode(NONE) | HasNewTargetField::encode(false) |
+      FunctionVariableField::encode(NONE) | AsmModuleField::encode(false) |
+      AsmFunctionField::encode(false) | HasSimpleParametersField::encode(true) |
+      FunctionKindField::encode(kNormalFunction);
+  scope_info->SetFlags(flags);
+
+  scope_info->SetParameterCount(0);
+  scope_info->SetStackLocalCount(0);
+  scope_info->SetContextLocalCount(0);
+
+  int index = kVariablePartIndex;
+  DCHECK_EQ(index, scope_info->ParameterEntriesIndex());
+  DCHECK_EQ(index, scope_info->StackLocalFirstSlotIndex());
+  scope_info->set(index++, Smi::FromInt(0));
+  DCHECK_EQ(index, scope_info->StackLocalEntriesIndex());
+  DCHECK_EQ(index, scope_info->ReceiverEntryIndex());
+  DCHECK_EQ(index, scope_info->FunctionNameEntryIndex());
+  DCHECK_EQ(index, scope_info->length());
+  DCHECK_EQ(0, scope_info->ParameterCount());
+  DCHECK_EQ(Context::MIN_CONTEXT_SLOTS, scope_info->ContextLength());
+  return scope_info;
+}
 
 Handle<ScopeInfo> ScopeInfo::CreateGlobalThisBinding(Isolate* isolate) {
   DCHECK(isolate->bootstrapper()->IsActive());
 
   const int stack_local_count = 0;
   const int context_local_count = 1;
   const bool has_simple_parameters = true;
   const VariableAllocationInfo receiver_info = CONTEXT;
   const VariableAllocationInfo function_name_info = NONE;
   const bool has_function_name = false;
@@ skipping 490 matching lines @@
   }
 
   Handle<ModuleInfo> result = isolate->factory()->NewModuleInfo();
   result->set(kSpecialExportsIndex, *special_exports);
   result->set(kRegularExportsIndex, *regular_exports);
   return result;
 }
 
 }  // namespace internal
 }  // namespace v8