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
16namespace clang {
17class 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.
23class ChainedDiagnosticConsumer : public DiagnosticConsumer {
24  virtual void anchor();
25  OwningPtr<DiagnosticConsumer> Primary;
26  OwningPtr<DiagnosticConsumer> Secondary;
27
28public:
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  DiagnosticConsumer *clone(DiagnosticsEngine &Diags) const {
65    return new ChainedDiagnosticConsumer(Primary->clone(Diags),
66                                         Secondary->clone(Diags));
67  }
68
69};
70
71} // end namspace clang
72
73#endif
74