JavascriptString *
RuntimeFunction::EnsureSourceString()
{
JavascriptLibrary* library = this->GetLibrary();
ScriptContext * scriptContext = library->GetScriptContext();
JavascriptString * retStr = nullptr;
if (this->functionNameId == nullptr)
{
retStr = library->GetFunctionDisplayString();
this->functionNameId = retStr;
}
else
{
if (TaggedInt::Is(this->functionNameId))
{
if (this->GetTypeHandler()->IsDeferredTypeHandler())
{
JavascriptString* functionName = nullptr;
DebugOnly(bool status = ) this->GetFunctionName(&functionName);
Assert(status);
this->SetPropertyWithAttributes(PropertyIds::name, functionName, PropertyConfigurable, nullptr);
}
// This has a side-effect where any other code (such as debugger) that uses functionNameId value will now get the value like "function foo() { native code }"
// instead of just "foo". Alternative ways will need to be devised; if it's not desirable to use this full display name value in those cases.
retStr = GetNativeFunctionDisplayString(scriptContext, scriptContext->GetPropertyString(TaggedInt::ToInt32(this->functionNameId)));
this->functionNameId = retStr;
}
else
{
JavascriptString* CharStringCache::GetStringForCharA(char c)
{
AssertMsg(JavascriptString::IsASCII7BitChar(c), "GetStringForCharA must be called with ASCII 7bit chars only");
PropertyString * str = charStringCacheA[(int)c];
if (str == nullptr)
{
PropertyRecord const * propertyRecord;
char16 wc = c;
JavascriptLibrary * javascriptLibrary = JavascriptLibrary::FromCharStringCache(this);
javascriptLibrary->GetScriptContext()->GetOrAddPropertyRecord(&wc, 1, &propertyRecord);
str = javascriptLibrary->CreatePropertyString(propertyRecord);
charStringCacheA[(int)c] = str;
}
return str;
}
Var
RuntimeFunction::EnsureSourceString()
{
JavascriptLibrary* library = this->GetLibrary();
ScriptContext * scriptContext = library->GetScriptContext();
if (this->functionNameId == nullptr)
{
this->functionNameId = library->GetFunctionDisplayString();
}
else
{
if (TaggedInt::Is(this->functionNameId))
{
if (this->GetScriptContext()->GetConfig()->IsES6FunctionNameEnabled() && this->GetTypeHandler()->IsDeferredTypeHandler())
{
JavascriptString* functionName = nullptr;
DebugOnly(bool status = ) this->GetFunctionName(&functionName);
Assert(status);
this->SetPropertyWithAttributes(PropertyIds::name, functionName, PropertyConfigurable, nullptr);
}
this->functionNameId = GetNativeFunctionDisplayString(scriptContext, scriptContext->GetPropertyString(TaggedInt::ToInt32(this->functionNameId)));
}
}