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Merge pull request #74466 from DmT021/wp/no-warning-as-error

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[Diagnostics] Add -no-warning-as-error to except a specific warning from being treated as an error
This commit is contained in:
Doug Gregor
2024-09-09 09:35:05 -07:00
committed by GitHub
parent f69fe00e49 070c77ebcf
commit 08e339b7b4
40 changed files with 857 additions and 122 deletions
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25
lib/Frontend/CompilerInvocation.cpp
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@@ -2331,9 +2331,24 @@ static bool ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args,
Opts.FixitCodeForAllDiagnostics |= Args.hasArg(OPT_fixit_all);
Opts.SuppressWarnings |= Args.hasArg(OPT_suppress_warnings);
Opts.SuppressRemarks |= Args.hasArg(OPT_suppress_remarks);
Opts.WarningsAsErrors = Args.hasFlag(options::OPT_warnings_as_errors,
options::OPT_no_warnings_as_errors,
false);
for (const Arg *arg : Args.filtered(OPT_warning_treating_Group)) {
Opts.WarningsAsErrorsRules.push_back([&] {
switch (arg->getOption().getID()) {
case OPT_warnings_as_errors:
return WarningAsErrorRule(WarningAsErrorRule::Action::Enable);
case OPT_no_warnings_as_errors:
return WarningAsErrorRule(WarningAsErrorRule::Action::Disable);
case OPT_Werror:
return WarningAsErrorRule(WarningAsErrorRule::Action::Enable,
arg->getValue());
case OPT_Wwarning:
return WarningAsErrorRule(WarningAsErrorRule::Action::Disable,
arg->getValue());
default:
llvm_unreachable("unhandled warning as error option");
}
}());
}
Opts.PrintDiagnosticNames |= Args.hasArg(OPT_debug_diagnostic_names);
Opts.PrintEducationalNotes |= Args.hasArg(OPT_print_educational_notes);
if (Arg *A = Args.getLastArg(OPT_diagnostic_documentation_path)) {
@@ -2376,7 +2391,9 @@ static bool ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args,
Opts.LocalizationPath = A->getValue();
}
}
assert(!(Opts.WarningsAsErrors && Opts.SuppressWarnings) &&
assert(!(Opts.SuppressWarnings &&
WarningAsErrorRule::hasConflictsWithSuppressWarnings(
Opts.WarningsAsErrorsRules)) &&
"conflicting arguments; should have been caught by driver");
return false;