diff options
Diffstat (limited to 'clang/lib/Driver/Driver.cpp')
| -rw-r--r-- | clang/lib/Driver/Driver.cpp | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp index 325b233ac5e..a5aed299e39 100644 --- a/clang/lib/Driver/Driver.cpp +++ b/clang/lib/Driver/Driver.cpp @@ -188,9 +188,19 @@ InputArgList Driver::ParseArgStrings(ArrayRef<const char *> ArgStrings, // Check for unsupported options. for (const Arg *A : Args) { if (A->getOption().hasFlag(options::Unsupported)) { - Diag(diag::err_drv_unsupported_opt) << A->getAsString(Args); - ContainsError |= Diags.getDiagnosticLevel(diag::err_drv_unsupported_opt, - SourceLocation()) > + unsigned DiagID; + auto ArgString = A->getAsString(Args); + std::string Nearest; + if (getOpts().findNearest( + ArgString, Nearest, IncludedFlagsBitmask, + ExcludedFlagsBitmask | options::Unsupported) > 1) { + DiagID = diag::err_drv_unsupported_opt; + Diag(DiagID) << ArgString; + } else { + DiagID = diag::err_drv_unsupported_opt_with_suggestion; + Diag(DiagID) << ArgString << Nearest; + } + ContainsError |= Diags.getDiagnosticLevel(DiagID, SourceLocation()) > DiagnosticsEngine::Warning; continue; } @@ -205,11 +215,20 @@ InputArgList Driver::ParseArgStrings(ArrayRef<const char *> ArgStrings, } for (const Arg *A : Args.filtered(options::OPT_UNKNOWN)) { - auto ID = IsCLMode() ? diag::warn_drv_unknown_argument_clang_cl - : diag::err_drv_unknown_argument; - - Diags.Report(ID) << A->getAsString(Args); - ContainsError |= Diags.getDiagnosticLevel(ID, SourceLocation()) > + unsigned DiagID; + auto ArgString = A->getAsString(Args); + std::string Nearest; + if (getOpts().findNearest( + ArgString, Nearest, IncludedFlagsBitmask, ExcludedFlagsBitmask) > 1) { + DiagID = IsCLMode() ? diag::warn_drv_unknown_argument_clang_cl + : diag::err_drv_unknown_argument; + Diags.Report(DiagID) << ArgString; + } else { + DiagID = IsCLMode() ? diag::warn_drv_unknown_argument_clang_cl_with_suggestion + : diag::err_drv_unknown_argument_with_suggestion; + Diags.Report(DiagID) << ArgString << Nearest; + } + ContainsError |= Diags.getDiagnosticLevel(DiagID, SourceLocation()) > DiagnosticsEngine::Warning; } |
