1 //===--- TextDiagnosticPrinter.h - Text Diagnostic Client -------*- 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 prints the diagnostics to 10 // standard error. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_CLANG_FRONTEND_TEXTDIAGNOSTICPRINTER_H 15 #define LLVM_CLANG_FRONTEND_TEXTDIAGNOSTICPRINTER_H 16 17 #include "clang/Basic/Diagnostic.h" 18 #include "clang/Basic/LLVM.h" 19 #include "llvm/ADT/IntrusiveRefCntPtr.h" 20 #include <memory> 21 22 namespace clang { 23 class DiagnosticOptions; 24 class LangOptions; 25 class TextDiagnostic; 26 27 class TextDiagnosticPrinter : public DiagnosticConsumer { 28 raw_ostream &OS; 29 IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts; 30 31 /// Handle to the currently active text diagnostic emitter. 32 std::unique_ptr<TextDiagnostic> TextDiag; 33 34 /// A string to prefix to error messages. 35 std::string Prefix; 36 37 LLVM_PREFERRED_TYPE(bool) 38 unsigned OwnsOutputStream : 1; 39 40 public: 41 TextDiagnosticPrinter(raw_ostream &os, DiagnosticOptions *diags, 42 bool OwnsOutputStream = false); 43 ~TextDiagnosticPrinter() override; 44 45 /// setPrefix - Set the diagnostic printer prefix string, which will be 46 /// printed at the start of any diagnostics. If empty, no prefix string is 47 /// used. setPrefix(std::string Value)48 void setPrefix(std::string Value) { Prefix = std::move(Value); } 49 50 void BeginSourceFile(const LangOptions &LO, const Preprocessor *PP) override; 51 void EndSourceFile() override; 52 void HandleDiagnostic(DiagnosticsEngine::Level Level, 53 const Diagnostic &Info) override; 54 }; 55 56 } // end namespace clang 57 58 #endif 59