contrib/llvm/tools/clang/include/clang/Frontend/ChainedDiagnosticConsumer.h

   1 //===- ChainedDiagnosticConsumer.h - Chain Diagnostic Clients ---*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #ifndef LLVM_CLANG_FRONTEND_CHAINEDDIAGNOSTICCONSUMER_H
  11 #define LLVM_CLANG_FRONTEND_CHAINEDDIAGNOSTICCONSUMER_H
  12
  13 #include "clang/Basic/Diagnostic.h"
  14 #include "llvm/ADT/OwningPtr.h"
  15
  16 namespace clang {
  17 class LangOptions;
  18
  19 /// ChainedDiagnosticConsumer - Chain two diagnostic clients so that diagnostics
  20 /// go to the first client and then the second. The first diagnostic client
  21 /// should be the "primary" client, and will be used for computing whether the
  22 /// diagnostics should be included in counts.
  23 class ChainedDiagnosticConsumer : public DiagnosticConsumer {
  24   virtual void anchor();
  25   OwningPtr<DiagnosticConsumer> Primary;
  26   OwningPtr<DiagnosticConsumer> Secondary;
  27
  28 public:
  29   ChainedDiagnosticConsumer(DiagnosticConsumer *_Primary,
  30                           DiagnosticConsumer *_Secondary) {
  31     Primary.reset(_Primary);
  32     Secondary.reset(_Secondary);
  33   }
  34
  35   virtual void BeginSourceFile(const LangOptions &LO,
  36                                const Preprocessor *PP) {
  37     Primary->BeginSourceFile(LO, PP);
  38     Secondary->BeginSourceFile(LO, PP);
  39   }
  40
  41   virtual void EndSourceFile() {
  42     Secondary->EndSourceFile();
  43     Primary->EndSourceFile();
  44   }
  45
  46   virtual void finish() {
  47     Secondary->finish();
  48     Primary->finish();
  49   }
  50
  51   virtual bool IncludeInDiagnosticCounts() const {
  52     return Primary->IncludeInDiagnosticCounts();
  53   }
  54
  55   virtual void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel,
  56                                 const Diagnostic &Info) {
  57     // Default implementation (Warnings/errors count).
  58     DiagnosticConsumer::HandleDiagnostic(DiagLevel, Info);
  59
  60     Primary->HandleDiagnostic(DiagLevel, Info);
  61     Secondary->HandleDiagnostic(DiagLevel, Info);
  62   }
  63 };
  64
  65 } // end namspace clang
  66
  67 #endif