1 //===--- Diagnostic.h - Framework for clang diagnostics tools --*- C++ -*-===//
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
7 //===----------------------------------------------------------------------===//
10 // Structures supporting diagnostics and refactorings that span multiple
11 // translation units. Indicate diagnostics reports and replacements
12 // suggestions for the analyzed sources.
14 //===----------------------------------------------------------------------===//
16 #ifndef LLVM_CLANG_TOOLING_CORE_DIAGNOSTIC_H
17 #define LLVM_CLANG_TOOLING_CORE_DIAGNOSTIC_H
19 #include "Replacement.h"
20 #include "clang/Basic/Diagnostic.h"
21 #include "llvm/ADT/SmallVector.h"
22 #include "llvm/ADT/StringMap.h"
23 #include "llvm/ADT/StringRef.h"
29 /// Represents the diagnostic message with the error message associated
30 /// and the information on the location of the problem.
31 struct DiagnosticMessage {
32 DiagnosticMessage(llvm::StringRef Message = "");
34 /// Constructs a diagnostic message with anoffset to the diagnostic
35 /// within the file where the problem occurred.
37 /// \param Loc Should be a file location, it is not meaningful for a macro
40 DiagnosticMessage(llvm::StringRef Message, const SourceManager &Sources,
46 /// Fixes for this diagnostic, grouped by file path.
47 llvm::StringMap<Replacements> Fix;
50 /// Represents the diagnostic with the level of severity and possible
51 /// fixes to be applied.
54 Warning = DiagnosticsEngine::Warning,
55 Error = DiagnosticsEngine::Error
58 Diagnostic() = default;
60 Diagnostic(llvm::StringRef DiagnosticName, Level DiagLevel,
61 StringRef BuildDirectory);
63 Diagnostic(llvm::StringRef DiagnosticName, const DiagnosticMessage &Message,
64 const SmallVector<DiagnosticMessage, 1> &Notes, Level DiagLevel,
65 llvm::StringRef BuildDirectory);
67 /// Name identifying the Diagnostic.
68 std::string DiagnosticName;
70 /// Message associated to the diagnostic.
71 DiagnosticMessage Message;
73 /// Potential notes about the diagnostic.
74 SmallVector<DiagnosticMessage, 1> Notes;
76 /// Diagnostic level. Can indicate either an error or a warning.
79 /// A build directory of the diagnostic source file.
81 /// It's an absolute path which is `directory` field of the source file in
82 /// compilation database. If users don't specify the compilation database
83 /// directory, it is the current directory where clang-tidy runs.
85 /// Note: it is empty in unittest.
86 std::string BuildDirectory;
89 /// Collection of Diagnostics generated from a single translation unit.
90 struct TranslationUnitDiagnostics {
91 /// Name of the main source for the translation unit.
92 std::string MainSourceFile;
93 std::vector<Diagnostic> Diagnostics;
96 /// Get the first fix to apply for this diagnostic.
97 /// \returns nullptr if no fixes are attached to the diagnostic.
98 const llvm::StringMap<Replacements> *selectFirstFix(const Diagnostic& D);
100 } // end namespace tooling
101 } // end namespace clang
102 #endif // LLVM_CLANG_TOOLING_CORE_DIAGNOSTIC_H