//
// Create scope info for an outer scope.
//
ScopeInfo* ScopeInfo::FromScope(ByteCodeGenerator* byteCodeGenerator, FunctionBody* parent, Scope* scope, ScriptContext *scriptContext)
{
int count = scope->Count();
// Add argsPlaceHolder which includes same name args and destructuring patterns on parameters
AddSlotCount(count, scope->GetFunc()->argsPlaceHolderSlotCount);
AddSlotCount(count, scope->GetFunc()->thisScopeSlot != Js::Constants::NoRegister ? 1 : 0);
AddSlotCount(count, scope->GetFunc()->newTargetScopeSlot != Js::Constants::NoRegister ? 1 : 0);
ScopeInfo* scopeInfo = RecyclerNewPlusZ(scriptContext->GetRecycler(),
count * sizeof(SymbolInfo),
ScopeInfo, parent, count);
scopeInfo->isDynamic = scope->GetIsDynamic();
scopeInfo->isObject = scope->GetIsObject();
scopeInfo->mustInstantiate = scope->GetMustInstantiate();
scopeInfo->isCached = (scope->GetFunc()->GetBodyScope() == scope) && scope->GetFunc()->GetHasCachedScope();
scopeInfo->isGlobalEval = scope->GetScopeType() == ScopeType_GlobalEvalBlock;
scopeInfo->canMergeWithBodyScope = scope->GetCanMergeWithBodyScope();
scopeInfo->hasLocalInClosure = scope->GetHasOwnLocalInClosure();
TRACE_BYTECODE(_u("\nSave ScopeInfo: %s parent: %s #symbols: %d %s\n"),
scope->GetFunc()->name, parent->GetDisplayName(), count, scopeInfo->isObject ? _u("isObject") : _u(""));
MapSymbolData mapSymbolData = { byteCodeGenerator, scope->GetFunc() };
scope->ForEachSymbol([&mapSymbolData, scopeInfo, scope](Symbol * sym)
{
Assert(scope == sym->GetScope());
scopeInfo->SaveSymbolInfo(sym, &mapSymbolData);
});
return scopeInfo;
}
