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1 //===--- TextDiagnosticPrinter.h - Text Diagnostic Client -------*- 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 // This is a concrete diagnostic client, which prints the diagnostics to
11 // standard error.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_CLANG_FRONTEND_TEXT_DIAGNOSTIC_PRINTER_H_
16 #define LLVM_CLANG_FRONTEND_TEXT_DIAGNOSTIC_PRINTER_H_
17 
18 #include "clang/Basic/Diagnostic.h"
19 #include "clang/Basic/LLVM.h"
20 #include "llvm/ADT/OwningPtr.h"
21 
22 namespace clang {
23 class DiagnosticOptions;
24 class LangOptions;
25 class TextDiagnostic;
26 
27 class TextDiagnosticPrinter : public DiagnosticConsumer {
28   raw_ostream &OS;
29   const LangOptions *LangOpts;
30   const DiagnosticOptions *DiagOpts;
31   const SourceManager *SM;
32 
33   /// \brief Handle to the currently active text diagnostic emitter.
34   OwningPtr<TextDiagnostic> TextDiag;
35 
36   /// A string to prefix to error messages.
37   std::string Prefix;
38 
39   unsigned OwnsOutputStream : 1;
40 
41 public:
42   TextDiagnosticPrinter(raw_ostream &os, const DiagnosticOptions &diags,
43                         bool OwnsOutputStream = false);
44   virtual ~TextDiagnosticPrinter();
45 
46   /// setPrefix - Set the diagnostic printer prefix string, which will be
47   /// printed at the start of any diagnostics. If empty, no prefix string is
48   /// used.
setPrefix(std::string Value)49   void setPrefix(std::string Value) { Prefix = Value; }
50 
51   void BeginSourceFile(const LangOptions &LO, const Preprocessor *PP);
52   void EndSourceFile();
53   void HandleDiagnostic(DiagnosticsEngine::Level Level, const Diagnostic &Info);
54   DiagnosticConsumer *clone(DiagnosticsEngine &Diags) const;
55 };
56 
57 } // end namespace clang
58 
59 #endif
60