Added variation of the "Report" method in the class Diagnostic that takes

an optional DiagnosticClient argument that differs from the client stored
internally in the Diagnostic object.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@48986 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/Basic/Diagnostic.h

@@ -149,15 +149,23 @@ public:
   /// diag::kind enum.  
   void Report(FullSourceLoc Pos, unsigned DiagID,
               const std::string *Strs = 0, unsigned NumStrs = 0,
-              const SourceRange *Ranges = 0, unsigned NumRanges = 0);
+              const SourceRange *Ranges = 0, unsigned NumRanges = 0) {
+    Report(NULL, Pos, DiagID, Strs, NumStrs, Ranges, NumRanges);
+  }                                                                      
   
   /// Report - Issue the message to the client.  DiagID is a member of the
   /// diag::kind enum.  
   void Report(unsigned DiagID,
               const std::string *Strs = 0, unsigned NumStrs = 0,
               const SourceRange *Ranges = 0, unsigned NumRanges = 0) {
-    Report(FullSourceLoc(),DiagID,Strs,NumStrs,Ranges,NumRanges);
+    Report(FullSourceLoc(), DiagID, Strs, NumStrs, Ranges, NumRanges);
   }
+  
+  /// Report - Issue the message to the specified client. 
+  ///  DiagID is a member of the diag::kind enum.
+  void Report(DiagnosticClient* C, FullSourceLoc Pos, unsigned DiagID,
+              const std::string *Strs = 0, unsigned NumStrs = 0,
+              const SourceRange *Ranges = 0, unsigned NumRanges = 0);
 };
 
 /// DiagnosticClient - This is an abstract interface implemented by clients of

lib/Basic/Diagnostic.cpp

@@ -198,7 +198,8 @@ Diagnostic::Level Diagnostic::getDiagnosticLevel(unsigned DiagID) const {
 /// Report - Issue the message to the client. If the client wants us to stop
 /// compilation, return true, otherwise return false.  DiagID is a member of
 /// the diag::kind enum.  
-void Diagnostic::Report(FullSourceLoc Pos, unsigned DiagID,
+void Diagnostic::Report(DiagnosticClient* C,
+                        FullSourceLoc Pos, unsigned DiagID,
                         const std::string *Strs, unsigned NumStrs,
                         const SourceRange *Ranges, unsigned NumRanges) {
   
@@ -224,8 +225,11 @@ void Diagnostic::Report(FullSourceLoc Pos, unsigned DiagID,
   }
 
   // Finally, report it.
-  Client.HandleDiagnostic(*this, DiagLevel, Pos, (diag::kind)DiagID,
-                          Strs, NumStrs, Ranges, NumRanges);
+  
+  if (!C) C = &Client;
+  
+  C->HandleDiagnostic(*this, DiagLevel, Pos, (diag::kind)DiagID,
+                      Strs, NumStrs, Ranges, NumRanges);
   ++NumDiagnostics;
 }