implement compiler support for -fno-diagnostics-fixit-info,
rdar://6805442


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69525 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Frontend/TextDiagnosticPrinter.h b/include/clang/Frontend/TextDiagnosticPrinter.h
index afdafb2..ef8dae5 100644
--- a/include/clang/Frontend/TextDiagnosticPrinter.h
+++ b/include/clang/Frontend/TextDiagnosticPrinter.h
@@ -38,17 +38,20 @@
   bool ShowLocation;
   bool PrintRangeInfo;
   bool PrintDiagnosticOption;
+  bool PrintFixItInfo;
 public:
   TextDiagnosticPrinter(llvm::raw_ostream &os,
                         bool showColumn = true,
                         bool caretDiagnistics = true, bool showLocation = true,
                         bool printRangeInfo = true,
-                        bool printDiagnosticOption = true)
+                        bool printDiagnosticOption = true,
+                        bool printFixItInfo = true)
     : OS(os), LangOpts(0),
       LastCaretDiagnosticWasNote(false), ShowColumn(showColumn), 
       CaretDiagnostics(caretDiagnistics), ShowLocation(showLocation),
       PrintRangeInfo(printRangeInfo),
-      PrintDiagnosticOption(printDiagnosticOption) {}
+      PrintDiagnosticOption(printDiagnosticOption),
+      PrintFixItInfo(printFixItInfo) {}
 
   void setLangOptions(const LangOptions *LO) {
     LangOpts = LO;
diff --git a/lib/Frontend/TextDiagnosticPrinter.cpp b/lib/Frontend/TextDiagnosticPrinter.cpp
index 9583780..7d3c4c2 100644
--- a/lib/Frontend/TextDiagnosticPrinter.cpp
+++ b/lib/Frontend/TextDiagnosticPrinter.cpp
@@ -207,10 +207,9 @@
   OS << SourceLine << '\n';
   OS << CaretLine << '\n';
 
-  if (NumHints) {
+  if (NumHints && PrintFixItInfo) {
     std::string InsertionLine;
-    for (const CodeModificationHint *Hint = Hints, 
-                                *LastHint = Hints + NumHints;
+    for (const CodeModificationHint *Hint = Hints, *LastHint = Hints + NumHints;
          Hint != LastHint; ++Hint) {
       if (Hint->InsertionLoc.isValid()) {
         // We have an insertion hint. Determine whether the inserted
diff --git a/tools/clang-cc/clang-cc.cpp b/tools/clang-cc/clang-cc.cpp
index 4e5ff5d..e69c62b 100644
--- a/tools/clang-cc/clang-cc.cpp
+++ b/tools/clang-cc/clang-cc.cpp
@@ -300,6 +300,11 @@
                                   " diagnostics"));
 
 static llvm::cl::opt<bool>
+NoDiagnosticsFixIt("fno-diagnostics-fixit-info",
+                   llvm::cl::desc("Do not include fixit information in"
+                                  " diagnostics"));
+
+static llvm::cl::opt<bool>
 PrintSourceRangeInfo("fprint-source-range-info",
                     llvm::cl::desc("Print source range spans in numeric form"));
 
@@ -1873,7 +1878,8 @@
                                            !NoCaretDiagnostics,
                                            !NoShowLocation,
                                            PrintSourceRangeInfo,
-                                           PrintDiagnosticOption));
+                                           PrintDiagnosticOption,
+                                           !NoDiagnosticsFixIt));
   }
   
   virtual void setLangOptions(const LangOptions *LO) {
@@ -2329,7 +2335,8 @@
                                                !NoCaretDiagnostics,
                                                !NoShowLocation,
                                                PrintSourceRangeInfo,
-                                               PrintDiagnosticOption));
+                                               PrintDiagnosticOption,
+                                               !NoDiagnosticsFixIt));
   } else {
     DiagClient.reset(CreateHTMLDiagnosticClient(HTMLDiag));
   }