937       if (var->isOptional()) {  in genCustomDirectiveParser()
963         if (!operand->getVar()->isOptional())  in genCustomDirectiveParser()
996       if (var->attr.isOptional())  in genCustomDirectiveParser()
1003       if (var->isOptional()) {  in genCustomDirectiveParser()
1060   if (!var->attr.isOptional()) {  in genEnumAttrParser()
1226       body << formatv(var->attr.isOptional() ? optionalSymbolNameAttrParserCode  in genElementParser()
1241     if (genCtx == GenContext::Normal && var->attr.isOptional()) {  in genElementParser()
1714     else if (var->isOptional())  in genCustomDirectiveParameterPrinter()
1767   if (var->isOptional())  in genTypeOperandPrinter()
1786                         (var->attr.isOptional() ? "*" : "") +  in genEnumAttrPrinter()
1845         if (var->isOptional())  in genOptionalGroupPrinterAnchor()
2050     } else if (operand->getVar()->isOptional()) {  in genElementPrinter()
2102         !var->isOptional()) {  in genElementPrinter()
2355     return attr.isOptional() || attr.hasDefaultValue();  in isOptionallyParsed()
2359     return operand->isOptional() || operand->isVariadic() ||  in isOptionallyParsed()
2986               if (!attrEle->getVar()->attr.isOptional() &&  in verifyOIListParsingElement()
3126         if (isAnchor && !attrEle->getVar()->attr.isOptional())  in verifyOptionalGroupElement()