llvm/clang-tools-extra/clang-include-fixer/find-all-symbols/tool/FindAllSymbolsMain.cpp

//===-- FindAllSymbolsMain.cpp - find all symbols tool ----------*- 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 "FindAllSymbolsAction.h"
#include "STLPostfixHeaderMap.h"
#include "SymbolInfo.h"
#include "SymbolReporter.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
#include "clang/ASTMatchers/ASTMatchers.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/FrontendActions.h"
#include "clang/Lex/Preprocessor.h"
#include "clang/Tooling/CommonOptionsParser.h"
#include "clang/Tooling/Tooling.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/ThreadPool.h"
#include "llvm/Support/raw_ostream.h"
#include <map>
#include <mutex>
#include <set>
#include <string>
#include <system_error>
#include <vector>

usingnamespaceclang::tooling;
usingnamespacellvm;
SymbolInfo;

// Apply a custom category to all command-line options so that they are the
// only ones displayed.
static cl::OptionCategory FindAllSymbolsCategory("find_all_symbols options");

// CommonOptionsParser declares HelpMessage with a description of the common
// command-line options related to the compilation database and input files.
// It's nice to have this help message in all tools.
static cl::extrahelp CommonHelp(CommonOptionsParser::HelpMessage);

// A help message for this specific tool can be added afterwards.
static cl::extrahelp MoreHelp("\nMore help text...");

static cl::opt<std::string> OutputDir("output-dir", cl::desc(R"(
The output directory for saving the results.)"),
                                      cl::init("."),
                                      cl::cat(FindAllSymbolsCategory));

static cl::opt<std::string> MergeDir("merge-dir", cl::desc(R"(
The directory for merging symbols.)"),
                                     cl::init(""),
                                     cl::cat(FindAllSymbolsCategory));
namespace clang {
namespace find_all_symbols {

class YamlReporter : public SymbolReporter { … };

bool Merge(llvm::StringRef MergeDir, llvm::StringRef OutputFile) { … }

} // namespace clang
} // namespace find_all_symbols

int main(int argc, const char **argv) { … }