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  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.  
  23. namespace clang {
  24.  
  25. class TextDiagnosticBuffer : public DiagnosticConsumer {
  26. public:
  27.   using DiagList = std::vector<std::pair<SourceLocation, std::string>>;
  28.   using iterator = DiagList::iterator;
  29.   using const_iterator = DiagList::const_iterator;
  30.  
  31. private:
  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.  
  40. public:
  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.