bool clang::analyze_format_string::ParseScanfString(FormatStringHandler &H,
const char *I,
const char *E,
const LangOptions &LO) {
unsigned argIndex = 0;
// Keep looking for a format specifier until we have exhausted the string.
while (I != E) {
const ScanfSpecifierResult &FSR = ParseScanfSpecifier(H, I, E, argIndex,
LO);
// Did a fail-stop error of any kind occur when parsing the specifier?
// If so, don't do any more processing.
if (FSR.shouldStop())
return true;;
// Did we exhaust the string or encounter an error that
// we can recover from?
if (!FSR.hasValue())
continue;
// We have a format specifier. Pass it to the callback.
if (!H.HandleScanfSpecifier(FSR.getValue(), FSR.getStart(),
I - FSR.getStart())) {
return true;
}
}
assert(I == E && "Format string not exhausted");
return false;
}
