]> granicus.if.org Git - clang/blob - include/clang/Frontend/TextDiagnosticPrinter.h
Pass Preprocessor through DiagnosticClient::BeginSourceFile.
[clang] / include / clang / Frontend / TextDiagnosticPrinter.h
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/SourceLocation.h"
20
21 namespace llvm {
22   class raw_ostream;
23 }
24
25 namespace clang {
26 class DiagnosticOptions;
27 class LangOptions;
28 class SourceManager;
29
30 class TextDiagnosticPrinter : public DiagnosticClient {
31   llvm::raw_ostream &OS;
32   const LangOptions *LangOpts;
33   const DiagnosticOptions *DiagOpts;
34
35   SourceLocation LastWarningLoc;
36   FullSourceLoc LastLoc;
37   unsigned LastCaretDiagnosticWasNote : 1;
38   unsigned OwnsOutputStream : 1;
39
40 public:
41   TextDiagnosticPrinter(llvm::raw_ostream &os, const DiagnosticOptions &diags,
42                         bool OwnsOutputStream = false);
43   virtual ~TextDiagnosticPrinter();
44
45   void BeginSourceFile(const LangOptions &LO, const Preprocessor *PP) {
46     LangOpts = &LO;
47   }
48
49   void EndSourceFile() {
50     LangOpts = 0;
51   }
52
53   void PrintIncludeStack(SourceLocation Loc, const SourceManager &SM);
54
55   void HighlightRange(const SourceRange &R,
56                       const SourceManager &SrcMgr,
57                       unsigned LineNo, FileID FID,
58                       std::string &CaretLine,
59                       const std::string &SourceLine);
60
61   void EmitCaretDiagnostic(SourceLocation Loc,
62                            SourceRange *Ranges, unsigned NumRanges,
63                            SourceManager &SM,
64                            const CodeModificationHint *Hints,
65                            unsigned NumHints,
66                            unsigned Columns);
67
68   virtual void HandleDiagnostic(Diagnostic::Level DiagLevel,
69                                 const DiagnosticInfo &Info);
70 };
71
72 } // end namspace clang
73
74 #endif