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//===--- Diagnostic.h - Framework for clang diagnostics tools --*- 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
//
//===----------------------------------------------------------------------===//
//
// \file
// Structures supporting diagnostics and refactorings that span multiple
// translation units. Indicate diagnostics reports and replacements
// suggestions for the analyzed sources.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLING_CORE_DIAGNOSTIC_H
#define LLVM_CLANG_TOOLING_CORE_DIAGNOSTIC_H
#include "Replacement.h"
#include "clang/Basic/Diagnostic.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringRef.h"
#include <string>
namespace clang {
namespace tooling {
/// Represents the diagnostic message with the error message associated
/// and the information on the location of the problem.
struct DiagnosticMessage {
DiagnosticMessage(llvm::StringRef Message = "");
/// Constructs a diagnostic message with anoffset to the diagnostic
/// within the file where the problem occurred.
///
/// \param Loc Should be a file location, it is not meaningful for a macro
/// location.
///
DiagnosticMessage(llvm::StringRef Message, const SourceManager &Sources,
SourceLocation Loc);
std::string Message;
std::string FilePath;
unsigned FileOffset;
/// Fixes for this diagnostic, grouped by file path.
llvm::StringMap<Replacements> Fix;
};
/// Represents the diagnostic with the level of severity and possible
/// fixes to be applied.
struct Diagnostic {
enum Level {
Warning = DiagnosticsEngine::Warning,
Error = DiagnosticsEngine::Error
};
Diagnostic() = default;
Diagnostic(llvm::StringRef DiagnosticName, Level DiagLevel,
StringRef BuildDirectory);
Diagnostic(llvm::StringRef DiagnosticName, const DiagnosticMessage &Message,
const SmallVector<DiagnosticMessage, 1> &Notes, Level DiagLevel,
llvm::StringRef BuildDirectory);
/// Name identifying the Diagnostic.
std::string DiagnosticName;
/// Message associated to the diagnostic.
DiagnosticMessage Message;
/// Potential notes about the diagnostic.
SmallVector<DiagnosticMessage, 1> Notes;
/// Diagnostic level. Can indicate either an error or a warning.
Level DiagLevel;
/// A build directory of the diagnostic source file.
///
/// It's an absolute path which is `directory` field of the source file in
/// compilation database. If users don't specify the compilation database
/// directory, it is the current directory where clang-tidy runs.
///
/// Note: it is empty in unittest.
std::string BuildDirectory;
};
/// Collection of Diagnostics generated from a single translation unit.
struct TranslationUnitDiagnostics {
/// Name of the main source for the translation unit.
std::string MainSourceFile;
std::vector<Diagnostic> Diagnostics;
};
/// Get the first fix to apply for this diagnostic.
/// \returns nullptr if no fixes are attached to the diagnostic.
const llvm::StringMap<Replacements> *selectFirstFix(const Diagnostic& D);
} // end namespace tooling
} // end namespace clang
#endif // LLVM_CLANG_TOOLING_CORE_DIAGNOSTIC_H
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