Rename Diagnostic to DiagnosticsEngine as per issue 5397


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140478 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/TextDiagnosticBuffer.cpp b/lib/Frontend/TextDiagnosticBuffer.cpp
index f540fca..b615d71 100644
--- a/lib/Frontend/TextDiagnosticBuffer.cpp
+++ b/lib/Frontend/TextDiagnosticBuffer.cpp
@@ -19,7 +19,7 @@
 /// HandleDiagnostic - Store the errors, warnings, and notes that are
 /// reported.
 ///
-void TextDiagnosticBuffer::HandleDiagnostic(Diagnostic::Level Level,
+void TextDiagnosticBuffer::HandleDiagnostic(DiagnosticsEngine::Level Level,
                                             const DiagnosticInfo &Info) {
   // Default implementation (Warnings/errors count).
   DiagnosticClient::HandleDiagnostic(Level, Info);
@@ -29,25 +29,28 @@
   switch (Level) {
   default: llvm_unreachable(
                          "Diagnostic not handled during diagnostic buffering!");
-  case Diagnostic::Note:
+  case DiagnosticsEngine::Note:
     Notes.push_back(std::make_pair(Info.getLocation(), Buf.str()));
     break;
-  case Diagnostic::Warning:
+  case DiagnosticsEngine::Warning:
     Warnings.push_back(std::make_pair(Info.getLocation(), Buf.str()));
     break;
-  case Diagnostic::Error:
-  case Diagnostic::Fatal:
+  case DiagnosticsEngine::Error:
+  case DiagnosticsEngine::Fatal:
     Errors.push_back(std::make_pair(Info.getLocation(), Buf.str()));
     break;
   }
 }
 
-void TextDiagnosticBuffer::FlushDiagnostics(Diagnostic &Diags) const {
+void TextDiagnosticBuffer::FlushDiagnostics(DiagnosticsEngine &Diags) const {
   // FIXME: Flush the diagnostics in order.
   for (const_iterator it = err_begin(), ie = err_end(); it != ie; ++it)
-    Diags.Report(Diags.getCustomDiagID(Diagnostic::Error, it->second.c_str()));
+    Diags.Report(Diags.getCustomDiagID(DiagnosticsEngine::Error,
+                 it->second.c_str()));
   for (const_iterator it = warn_begin(), ie = warn_end(); it != ie; ++it)
-    Diags.Report(Diags.getCustomDiagID(Diagnostic::Warning,it->second.c_str()));
+    Diags.Report(Diags.getCustomDiagID(DiagnosticsEngine::Warning,
+                 it->second.c_str()));
   for (const_iterator it = note_begin(), ie = note_end(); it != ie; ++it)
-    Diags.Report(Diags.getCustomDiagID(Diagnostic::Note, it->second.c_str()));
+    Diags.Report(Diags.getCustomDiagID(DiagnosticsEngine::Note,
+                 it->second.c_str()));
 }