TextDiagnosticBuffer.h

//===- TextDiagnosticBuffer.h - Buffer Text Diagnostics ---------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This is a concrete diagnostic client. The diagnostics are buffered rather
// than printed. In order to print them, use the FlushDiagnostics method.
// Pretty-printing is not supported.
//
//===----------------------------------------------------------------------===//
//
// Coding style: https://mlir.llvm.org/getting_started/DeveloperGuide/
//
//===----------------------------------------------------------------------===//
 
#ifndef FORTRAN_FRONTEND_TEXTDIAGNOSTICBUFFER_H
#define FORTRAN_FRONTEND_TEXTDIAGNOSTICBUFFER_H
 
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/SourceLocation.h"
#include <cstddef>
#include <string>
#include <utility>
#include <vector>
 
namespace Fortran::frontend {
 
class TextDiagnosticBuffer : public clang::DiagnosticConsumer {
public:
  using DiagList = std::vector<std::pair<clang::SourceLocation, std::string>>;
  using DiagnosticsLevelAndIndexPairs =
      std::vector<std::pair<clang::DiagnosticsEngine::Level, size_t>>;
 
private:
  DiagList errors, warnings, remarks, notes;
 
  DiagnosticsLevelAndIndexPairs all;
 
public:
  void HandleDiagnostic(clang::DiagnosticsEngine::Level diagLevel,
                        const clang::Diagnostic &info) override;
 
  void flushDiagnostics(clang::DiagnosticsEngine &diags) const;
};
 
} // namespace Fortran::frontend
 
#endif // FORTRAN_FRONTEND_TEXTDIAGNOSTICBUFFER_H