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//===--- Diagnostic.cpp - Framework for clang diagnostics tools ----------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// Implements classes to support/store diagnostics refactoring.
//
//===----------------------------------------------------------------------===//
#include "clang/Tooling/Core/Diagnostic.h"
#include "clang/Basic/SourceLocation.h"
#include "clang/Basic/SourceManager.h"
#include "llvm/ADT/STLExtras.h"
namespace clang {
namespace tooling {
DiagnosticMessage::DiagnosticMessage(llvm::StringRef Message)
: Message(Message), FileOffset(0) {}
DiagnosticMessage::DiagnosticMessage(llvm::StringRef Message,
const SourceManager &Sources,
SourceLocation Loc)
: Message(Message), FileOffset(0) {
assert(Loc.isValid() && Loc.isFileID());
FilePath = std::string(Sources.getFilename(Loc));
// Don't store offset in the scratch space. It doesn't tell anything to the
// user. Moreover, it depends on the history of macro expansions and thus
// prevents deduplication of warnings in headers.
if (!FilePath.empty())
FileOffset = Sources.getFileOffset(Loc);
}
FileByteRange::FileByteRange(
const SourceManager &Sources, CharSourceRange Range)
: FileOffset(0), Length(0) {
FilePath = std::string(Sources.getFilename(Range.getBegin()));
if (!FilePath.empty()) {
FileOffset = Sources.getFileOffset(Range.getBegin());
Length = Sources.getFileOffset(Range.getEnd()) - FileOffset;
}
}
Diagnostic::Diagnostic(llvm::StringRef DiagnosticName,
Diagnostic::Level DiagLevel, StringRef BuildDirectory)
: DiagnosticName(DiagnosticName), DiagLevel(DiagLevel),
BuildDirectory(BuildDirectory) {}
Diagnostic::Diagnostic(llvm::StringRef DiagnosticName,
const DiagnosticMessage &Message,
const SmallVector<DiagnosticMessage, 1> &Notes,
Level DiagLevel, llvm::StringRef BuildDirectory)
: DiagnosticName(DiagnosticName), Message(Message), Notes(Notes),
DiagLevel(DiagLevel), BuildDirectory(BuildDirectory) {}
const llvm::StringMap<Replacements> *selectFirstFix(const Diagnostic& D) {
if (!D.Message.Fix.empty())
return &D.Message.Fix;
auto Iter = llvm::find_if(D.Notes, [](const tooling::DiagnosticMessage &D) {
return !D.Fix.empty();
});
if (Iter != D.Notes.end())
return &Iter->Fix;
return nullptr;
}
} // end namespace tooling
} // end namespace clang
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