clang  6.0.0svn
LogDiagnosticPrinter.h
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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"
15 #include "llvm/ADT/SmallVector.h"
16 #include "llvm/ADT/StringRef.h"
17 
18 namespace clang {
19 class DiagnosticOptions;
20 class LangOptions;
21 
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;
56 
57  SourceLocation LastWarningLoc;
58  FullSourceLoc LastLoc;
59 
61 
62  std::string MainFilename;
63  std::string DwarfDebugFlags;
64 
65 public:
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 
80  const Diagnostic &Info) override;
81 };
82 
83 } // end namespace clang
84 
85 #endif
void EndSourceFile() override
Callback to inform the diagnostic client that processing of a source file has ended.
void BeginSourceFile(const LangOptions &LO, const Preprocessor *PP) override
Callback to inform the diagnostic client that processing of a source file is beginning.
Abstract interface, implemented by clients of the front-end, which formats and prints fully processed...
Definition: Diagnostic.h:1397
Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...
Definition: LangOptions.h:48
void setDwarfDebugFlags(StringRef Value)
Defines the Diagnostic-related interfaces.
StringRef Filename
Definition: Format.cpp:1345
const AnnotatedLine * Line
void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel, const Diagnostic &Info) override
Handle this diagnostic, reporting it to the user or capturing it to a log as needed.
Encodes a location in the source.
Options for controlling the compiler diagnostics engine.
Dataflow Directional Tag Classes.
LogDiagnosticPrinter(raw_ostream &OS, DiagnosticOptions *Diags, std::unique_ptr< raw_ostream > StreamOwner)
Defines the clang::SourceLocation class and associated facilities.
Level
The level of the diagnostic, after it has been through mapping.
Definition: Diagnostic.h:150
A little helper class (which is basically a smart pointer that forwards info from DiagnosticsEngine) ...
Definition: Diagnostic.h:1227
A SourceLocation and its associated SourceManager.
Engages in a tight little dance with the lexer to efficiently preprocess tokens.
Definition: Preprocessor.h:127