1 //===--- Diagnostic.cpp - Framework for clang diagnostics tools ----------===// 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 // Implements classes to support/store diagnostics refactoring. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "clang/Tooling/Core/Diagnostic.h" 14 #include "clang/Basic/SourceManager.h" 15 #include "llvm/ADT/STLExtras.h" 16 17 namespace clang { 18 namespace tooling { 19 20 DiagnosticMessage::DiagnosticMessage(llvm::StringRef Message) 21 : Message(Message), FileOffset(0) {} 22 23 DiagnosticMessage::DiagnosticMessage(llvm::StringRef Message, 24 const SourceManager &Sources, 25 SourceLocation Loc) 26 : Message(Message), FileOffset(0) { 27 assert(Loc.isValid() && Loc.isFileID()); 28 FilePath = Sources.getFilename(Loc); 29 30 // Don't store offset in the scratch space. It doesn't tell anything to the 31 // user. Moreover, it depends on the history of macro expansions and thus 32 // prevents deduplication of warnings in headers. 33 if (!FilePath.empty()) 34 FileOffset = Sources.getFileOffset(Loc); 35 } 36 37 Diagnostic::Diagnostic(llvm::StringRef DiagnosticName, 38 Diagnostic::Level DiagLevel, StringRef BuildDirectory) 39 : DiagnosticName(DiagnosticName), DiagLevel(DiagLevel), 40 BuildDirectory(BuildDirectory) {} 41 42 Diagnostic::Diagnostic(llvm::StringRef DiagnosticName, 43 const DiagnosticMessage &Message, 44 const SmallVector<DiagnosticMessage, 1> &Notes, 45 Level DiagLevel, llvm::StringRef BuildDirectory) 46 : DiagnosticName(DiagnosticName), Message(Message), Notes(Notes), 47 DiagLevel(DiagLevel), BuildDirectory(BuildDirectory) {} 48 49 const llvm::StringMap<Replacements> *selectFirstFix(const Diagnostic& D) { 50 if (!D.Message.Fix.empty()) 51 return &D.Message.Fix; 52 auto Iter = llvm::find_if(D.Notes, [](const tooling::DiagnosticMessage &D) { 53 return !D.Fix.empty(); 54 }); 55 if (Iter != D.Notes.end()) 56 return &Iter->Fix; 57 return nullptr; 58 } 59 60 } // end namespace tooling 61 } // end namespace clang 62