llvm-project/clang-tools-extra/clang-tidy/ClangTidyDiagnosticConsumer.h

72 lines
2.4 KiB
C++

//===--- ClangTidyDiagnosticConsumer.h - clang-tidy -------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CLANG_TIDY_DIAGNOSTIC_CONSUMER_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CLANG_TIDY_DIAGNOSTIC_CONSUMER_H
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Tooling/Refactoring.h"
#include "llvm/ADT/SmallString.h"
namespace clang {
class CompilerInstance;
namespace ast_matchers {
class MatchFinder;
}
namespace tooling {
class CompilationDatabase;
}
namespace tidy {
/// \brief A diagnostic consumer that turns each \c Diagnostic into a
/// \c SourceManager-independent \c ClangTidyError.
//
// FIXME: If we move away from unit-tests, this can be moved to a private
// implementation file.
class ClangTidyDiagnosticConsumer : public DiagnosticConsumer {
public:
ClangTidyDiagnosticConsumer(ClangTidyContext &Ctx) : Context(Ctx) {
IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
Diags.reset(new DiagnosticsEngine(
IntrusiveRefCntPtr<DiagnosticIDs>(new DiagnosticIDs), &*DiagOpts, this,
/*ShouldOwnClient=*/false));
Context.setDiagnosticsEngine(Diags.get());
}
// FIXME: The concept of converting between FixItHints and Replacements is
// more generic and should be pulled out into a more useful Diagnostics
// library.
virtual void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel,
const Diagnostic &Info) {
tooling::Replacements Replacements;
SourceManager &SourceMgr = Info.getSourceManager();
for (unsigned i = 0, e = Info.getNumFixItHints(); i != e; ++i) {
Replacements.insert(tooling::Replacement(
SourceMgr, Info.getFixItHint(i).RemoveRange.getBegin(), 0,
Info.getFixItHint(i).CodeToInsert));
}
SmallString<100> Buf;
Info.FormatDiagnostic(Buf);
Context.storeError(
ClangTidyError(SourceMgr, Info.getLocation(), Buf.str(), Replacements));
}
private:
ClangTidyContext &Context;
OwningPtr<DiagnosticsEngine> Diags;
};
} // end namespace tidy
} // end namespace clang
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CLANG_TIDY_DIAGNOSTIC_CONSUMER_H