implement framework for -fdiagnostics-show-option, but tblgen isn't

passing down the right info yet.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69268 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 5 insertions, 2 deletions

diff --git a/tools/clang-cc/Warnings.cpp b/tools/clang-cc/Warnings.cpp
index bab2ab7a14..62bf467f0d 100644
--- a/tools/clang-cc/Warnings.cpp
+++ b/tools/clang-cc/Warnings.cpp
@@ -93,7 +93,6 @@ bool clang::ProcessWarningOptions(Diagnostic &Diags) {
   else
     Diags.setExtensionHandlingBehavior(Diagnostic::Ext_Ignore);
   
-  // FIXME: -fdiagnostics-show-option
   // FIXME: -Wfatal-errors / -Wfatal-errors=foo
 
   for (unsigned i = 0, e = OptWarnings.size(); i != e; ++i) {
diff --git a/tools/clang-cc/clang-cc.cpp b/tools/clang-cc/clang-cc.cpp
index 345a421585..7d1ce40135 100644
--- a/tools/clang-cc/clang-cc.cpp
+++ b/tools/clang-cc/clang-cc.cpp
@@ -303,6 +303,9 @@ static llvm::cl::opt<bool>
 PrintSourceRangeInfo("fprint-source-range-info",
                     llvm::cl::desc("Print source range spans in numeric form"));
 
+static llvm::cl::opt<bool>
+PrintDiagnosticOption("fdiagnostics-show-option",
+             llvm::cl::desc("Print diagnostic name with mappable diagnostics"));
 
 //===----------------------------------------------------------------------===//
 // C++ Visualization.
@@ -2227,7 +2230,8 @@ int main(int argc, char **argv) {
                                                !NoShowColumn,
                                                !NoCaretDiagnostics,
                                                !NoShowLocation,
-                                               PrintSourceRangeInfo);
+                                               PrintSourceRangeInfo,
+                                               PrintDiagnosticOption);
   } else {
     // When checking diagnostics, just buffer them up.
     TextDiagClient = new TextDiagnosticBuffer();