Add an option -fshow-overloads=best|all to limit the number of overload
candidates printed. We default to 'all'. At the moment, 'best' prints only
the first 4 overloads, but we'll improve that over time.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105815 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index 9bc8b76..b2f1ec6 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -869,7 +869,18 @@
Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info);
Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location);
Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option);
-
+
+ llvm::StringRef ShowOverloads =
+ Args.getLastArgValue(OPT_fshow_overloads_EQ, "all");
+ if (ShowOverloads == "best")
+ Opts.ShowOverloads = Diagnostic::Ovl_Best;
+ else if (ShowOverloads == "all")
+ Opts.ShowOverloads = Diagnostic::Ovl_All;
+ else
+ Diags.Report(diag::err_drv_invalid_value)
+ << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args)
+ << ShowOverloads;
+
llvm::StringRef ShowCategory =
Args.getLastArgValue(OPT_fdiagnostics_show_category, "none");
if (ShowCategory == "none")
diff --git a/lib/Frontend/Warnings.cpp b/lib/Frontend/Warnings.cpp
index 84c4f5d..8cc5616 100644
--- a/lib/Frontend/Warnings.cpp
+++ b/lib/Frontend/Warnings.cpp
@@ -35,6 +35,8 @@
const DiagnosticOptions &Opts) {
Diags.setSuppressSystemWarnings(true); // Default to -Wno-system-headers
Diags.setIgnoreAllWarnings(Opts.IgnoreWarnings);
+ Diags.setShowOverloads(
+ static_cast<Diagnostic::OverloadsShown>(Opts.ShowOverloads));
// Handle -ferror-limit
if (Opts.ErrorLimit)