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. The diagnostics are buffered rather 10 // than printed. In order to print them, use the FlushDiagnostics method. 11 // Pretty-printing is not supported. 12 // 13 //===----------------------------------------------------------------------===// 14 // 15 // Coding style: https://mlir.llvm.org/getting_started/DeveloperGuide/ 16 // 17 //===----------------------------------------------------------------------===// 18 19 #ifndef FORTRAN_FRONTEND_TEXTDIAGNOSTICBUFFER_H 20 #define FORTRAN_FRONTEND_TEXTDIAGNOSTICBUFFER_H 21 22 #include "clang/Basic/Diagnostic.h" 23 #include "clang/Basic/SourceLocation.h" 24 #include <cstddef> 25 #include <string> 26 #include <utility> 27 #include <vector> 28 29 namespace Fortran::frontend { 30 31 class TextDiagnosticBuffer : public clang::DiagnosticConsumer { 32 public: 33 using DiagList = std::vector<std::pair<clang::SourceLocation, std::string>>; 34 using DiagnosticsLevelAndIndexPairs = 35 std::vector<std::pair<clang::DiagnosticsEngine::Level, size_t>>; 36 37 private: 38 DiagList errors, warnings, remarks, notes; 39 40 /// All diagnostics in the order in which they were generated. That order 41 /// likely doesn't correspond to user input order, but at least it keeps 42 /// notes in the right places. Each pair is a diagnostic level and an index 43 /// into the corresponding DiagList above. 44 DiagnosticsLevelAndIndexPairs all; 45 46 public: 47 void HandleDiagnostic(clang::DiagnosticsEngine::Level diagLevel, 48 const clang::Diagnostic &info) override; 49 50 /// Flush the buffered diagnostics to a given diagnostic engine. 51 void flushDiagnostics(clang::DiagnosticsEngine &diags) const; 52 }; 53 54 } // namespace Fortran::frontend 55 56 #endif // FORTRAN_FRONTEND_TEXTDIAGNOSTICBUFFER_H 57