forked from OSchip/llvm-project
93 lines
3.0 KiB
C++
93 lines
3.0 KiB
C++
//===--- ClangTidyProfiling.cpp - clang-tidy --------------------*- 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "ClangTidyProfiling.h"
|
|
#include "llvm/ADT/STLExtras.h"
|
|
#include "llvm/ADT/SmallString.h"
|
|
#include "llvm/Support/FileSystem.h"
|
|
#include "llvm/Support/Path.h"
|
|
#include "llvm/Support/YAMLTraits.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
#include <system_error>
|
|
#include <utility>
|
|
|
|
#define DEBUG_TYPE "clang-tidy-profiling"
|
|
|
|
namespace clang {
|
|
namespace tidy {
|
|
|
|
ClangTidyProfiling::StorageParams::StorageParams(llvm::StringRef ProfilePrefix,
|
|
llvm::StringRef SourceFile)
|
|
: Timestamp(std::chrono::system_clock::now()), SourceFilename(SourceFile) {
|
|
llvm::SmallString<32> TimestampStr;
|
|
llvm::raw_svector_ostream OS(TimestampStr);
|
|
llvm::format_provider<decltype(Timestamp)>::format(Timestamp, OS,
|
|
"%Y%m%d%H%M%S%N");
|
|
|
|
llvm::SmallString<256> FinalPrefix(ProfilePrefix);
|
|
llvm::sys::path::append(FinalPrefix, TimestampStr);
|
|
|
|
// So the full output name is: /ProfilePrefix/timestamp-inputfilename.json
|
|
StoreFilename = llvm::Twine(FinalPrefix + "-" +
|
|
llvm::sys::path::filename(SourceFile) + ".json")
|
|
.str();
|
|
}
|
|
|
|
void ClangTidyProfiling::printUserFriendlyTable(llvm::raw_ostream &OS) {
|
|
TG->print(OS);
|
|
OS.flush();
|
|
}
|
|
|
|
void ClangTidyProfiling::printAsJSON(llvm::raw_ostream &OS) {
|
|
OS << "{\n";
|
|
OS << "\"file\": \"" << Storage->SourceFilename << "\",\n";
|
|
OS << "\"timestamp\": \"" << Storage->Timestamp << "\",\n";
|
|
OS << "\"profile\": {\n";
|
|
TG->printJSONValues(OS, "");
|
|
OS << "\n}\n";
|
|
OS << "}\n";
|
|
OS.flush();
|
|
}
|
|
|
|
void ClangTidyProfiling::storeProfileData() {
|
|
assert(Storage.hasValue() && "We should have a filename.");
|
|
|
|
llvm::SmallString<256> OutputDirectory(Storage->StoreFilename);
|
|
llvm::sys::path::remove_filename(OutputDirectory);
|
|
if (std::error_code EC = llvm::sys::fs::create_directories(OutputDirectory)) {
|
|
llvm::errs() << "Unable to create output directory '" << OutputDirectory
|
|
<< "': " << EC.message() << "\n";
|
|
return;
|
|
}
|
|
|
|
std::error_code EC;
|
|
llvm::raw_fd_ostream OS(Storage->StoreFilename, EC, llvm::sys::fs::OF_None);
|
|
if (EC) {
|
|
llvm::errs() << "Error opening output file '" << Storage->StoreFilename
|
|
<< "': " << EC.message() << "\n";
|
|
return;
|
|
}
|
|
|
|
printAsJSON(OS);
|
|
}
|
|
|
|
ClangTidyProfiling::ClangTidyProfiling(llvm::Optional<StorageParams> Storage)
|
|
: Storage(std::move(Storage)) {}
|
|
|
|
ClangTidyProfiling::~ClangTidyProfiling() {
|
|
TG.emplace("clang-tidy", "clang-tidy checks profiling", Records);
|
|
|
|
if (!Storage.hasValue())
|
|
printUserFriendlyTable(llvm::errs());
|
|
else
|
|
storeProfileData();
|
|
}
|
|
|
|
} // namespace tidy
|
|
} // namespace clang
|