1//===--- LogDiagnosticPrinter.h - Log 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#ifndef LLVM_CLANG_FRONTEND_LOGDIAGNOSTICPRINTER_H
11#define LLVM_CLANG_FRONTEND_LOGDIAGNOSTICPRINTER_H
12
13#include "clang/Basic/Diagnostic.h"
14#include "clang/Basic/SourceLocation.h"
15#include "llvm/ADT/SmallVector.h"
16#include "llvm/ADT/StringRef.h"
17
18namespace clang {
19class DiagnosticOptions;
20class LangOptions;
21
22class LogDiagnosticPrinter : public DiagnosticConsumer {
23  struct DiagEntry {
24    /// The primary message line of the diagnostic.
25    std::string Message;
26
27    /// The source file name, if available.
28    std::string Filename;
29
30    /// The source file line number, if available.
31    unsigned Line;
32
33    /// The source file column number, if available.
34    unsigned Column;
35
36    /// The ID of the diagnostic.
37    unsigned DiagnosticID;
38
39    /// The Option Flag for the diagnostic
40    std::string WarningOption;
41
42    /// The level of the diagnostic.
43    DiagnosticsEngine::Level DiagnosticLevel;
44  };
45
46  void EmitDiagEntry(llvm::raw_ostream &OS,
47                     const LogDiagnosticPrinter::DiagEntry &DE);
48
49  // Conditional ownership (when StreamOwner is non-null, it's keeping OS
50  // alive). We might want to replace this with a wrapper for conditional
51  // ownership eventually - it seems to pop up often enough.
52  raw_ostream &OS;
53  std::unique_ptr<raw_ostream> StreamOwner;
54  const LangOptions *LangOpts;
55  IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts;
56
57  SourceLocation LastWarningLoc;
58  FullSourceLoc LastLoc;
59
60  SmallVector<DiagEntry, 8> Entries;
61
62  std::string MainFilename;
63  std::string DwarfDebugFlags;
64
65public:
66  LogDiagnosticPrinter(raw_ostream &OS, DiagnosticOptions *Diags,
67                       std::unique_ptr<raw_ostream> StreamOwner);
68
69  void setDwarfDebugFlags(StringRef Value) {
70    DwarfDebugFlags = Value;
71  }
72
73  void BeginSourceFile(const LangOptions &LO, const Preprocessor *PP) override {
74    LangOpts = &LO;
75  }
76
77  void EndSourceFile() override;
78
79  void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel,
80                        const Diagnostic &Info) override;
81};
82
83} // end namespace clang
84
85#endif
86