int lld::args::getInteger(opt::InputArgList &Args, unsigned Key, int Default) {
int V = Default;
if (auto *Arg = Args.getLastArg(Key)) {
StringRef S = Arg->getValue();
if (!to_integer(S, V, 10))
error(Arg->getSpelling() + ": number expected, but got '" + S + "'");
}
return V;
}
static cl::TokenizerCallback getQuotingStyle(opt::InputArgList &Args) {
if (auto *Arg = Args.getLastArg(OPT_rsp_quoting)) {
StringRef S = Arg->getValue();
if (S != "windows" && S != "posix")
error("invalid response file quoting: " + S);
if (S == "windows")
return cl::TokenizeWindowsCommandLine;
return cl::TokenizeGNUCommandLine;
}
if (Triple(sys::getProcessTriple()).getOS() == Triple::Win32)
return cl::TokenizeWindowsCommandLine;
return cl::TokenizeGNUCommandLine;
}
// Parse -color-diagnostics={auto,always,never} or -no-color-diagnostics.
static bool getColorDiagnostics(opt::InputArgList &Args) {
auto *Arg = Args.getLastArg(OPT_color_diagnostics, OPT_color_diagnostics_eq,
OPT_no_color_diagnostics);
if (!Arg)
return ErrorOS->has_colors();
if (Arg->getOption().getID() == OPT_color_diagnostics)
return true;
if (Arg->getOption().getID() == OPT_no_color_diagnostics)
return false;
StringRef S = Arg->getValue();
if (S == "auto")
return ErrorOS->has_colors();
if (S == "always")
return true;
if (S != "never")
error("unknown option: -color-diagnostics=" + S);
return false;
}
// Parse -color-diagnostics={auto,always,never} or -no-color-diagnostics.
static bool getColorDiagnostics(opt::InputArgList &Args) {
bool Default = (ErrorOS == &errs() && Process::StandardErrHasColors());
auto *Arg = Args.getLastArg(OPT_color_diagnostics, OPT_color_diagnostics_eq,
OPT_no_color_diagnostics);
if (!Arg)
return Default;
if (Arg->getOption().getID() == OPT_color_diagnostics)
return true;
if (Arg->getOption().getID() == OPT_no_color_diagnostics)
return false;
StringRef S = Arg->getValue();
if (S == "auto")
return Default;
if (S == "always")
return true;
if (S != "never")
error("unknown option: -color-diagnostics=" + S);
return false;
}