TextDiagnosticBuffer.h revision 353358 
1//===- TextDiagnosticBuffer.h - Buffer Text Diagnostics ---------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This is a concrete diagnostic client, which buffers the diagnostic messages.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_CLANG_FRONTEND_TEXTDIAGNOSTICBUFFER_H
14#define LLVM_CLANG_FRONTEND_TEXTDIAGNOSTICBUFFER_H
15
16#include "clang/Basic/Diagnostic.h"
17#include "clang/Basic/SourceLocation.h"
18#include <cstddef>
19#include <string>
20#include <utility>
21#include <vector>
22
23namespace clang {
24
25class TextDiagnosticBuffer : public DiagnosticConsumer {
26public:
27  using DiagList = std::vector<std::pair<SourceLocation, std::string>>;
28  using iterator = DiagList::iterator;
29  using const_iterator = DiagList::const_iterator;
30
31private:
32  DiagList Errors, Warnings, Remarks, Notes;
33
34  /// All - All diagnostics in the order in which they were generated.  That
35  /// order likely doesn't correspond to user input order, but it at least
36  /// keeps notes in the right places.  Each pair in the vector is a diagnostic
37  /// level and an index into the corresponding DiagList above.
38  std::vector<std::pair<DiagnosticsEngine::Level, size_t>> All;
39
40public:
41  const_iterator err_begin() const { return Errors.begin(); }
42  const_iterator err_end() const { return Errors.end(); }
43
44  const_iterator warn_begin() const { return Warnings.begin(); }
45  const_iterator warn_end() const { return Warnings.end(); }
46
47  const_iterator remark_begin() const { return Remarks.begin(); }
48  const_iterator remark_end() const { return Remarks.end(); }
49
50  const_iterator note_begin() const { return Notes.begin(); }
51  const_iterator note_end() const { return Notes.end(); }
52
53  void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel,
54                        const Diagnostic &Info) override;
55
56  /// FlushDiagnostics - Flush the buffered diagnostics to an given
57  /// diagnostic engine.
58  void FlushDiagnostics(DiagnosticsEngine &Diags) const;
59};
60
61} // namespace clang
62
63#endif // LLVM_CLANG_FRONTEND_TEXTDIAGNOSTICBUFFER_H
64