clang-tools-extra/clang-tidy/tool/ClangTidyMain.cpp

//===--- tools/extra/clang-tidy/ClangTidyMain.cpp - Clang tidy tool -------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
///  \file This file implements a clang-tidy tool.
///
///  This tool uses the Clang Tooling infrastructure, see
///    http://clang.llvm.org/docs/HowToSetupToolingForLLVM.html
///  for details on setting it up with LLVM source tree.
///
//===----------------------------------------------------------------------===//

#include "../ClangTidy.h"
#include "llvm/Support/CommandLine.h"
#include <vector>

using namespace clang::ast_matchers;
using namespace clang::driver;
using namespace clang::tooling;
using namespace llvm;

cl::OptionCategory ClangTidyCategory("clang-tidy options");

cl::list<std::string>
Ranges(cl::Positional, cl::desc("<range0> [... <rangeN>]"), cl::OneOrMore);

static cl::opt<std::string> Checks(
    "checks",
    cl::desc("Regular expression matching the names of the checks to be run."),
    cl::init(".*"), cl::cat(ClangTidyCategory));
static cl::opt<bool> Fix("fix", cl::desc("Fix detected errors if possible."),
                         cl::init(false), cl::cat(ClangTidyCategory));

// FIXME: Add option to list name/description of all checks.

int main(int argc, const char **argv) {
  cl::ParseCommandLineOptions(argc, argv, "TBD\n");
  OwningPtr<clang::tooling::CompilationDatabase> Compilations(
      FixedCompilationDatabase::loadFromCommandLine(argc, argv));
  if (!Compilations)
    return 0;
  // FIXME: Load other compilation databases.

  SmallVector<clang::tidy::ClangTidyError, 16> Errors;
  clang::tidy::runClangTidy(Checks, *Compilations, Ranges, &Errors);
  clang::tidy::handleErrors(Errors, Fix);

  return 0;
}

namespace clang {
namespace tidy {

// This anchor is used to force the linker to link the LLVMModule.
extern volatile int LLVMModuleAnchorSource;
static int LLVMModuleAnchorDestination = LLVMModuleAnchorSource;

// This anchor is used to force the linker to link the GoogleModule.
extern volatile int GoogleModuleAnchorSource;
static int GoogleModuleAnchorDestination = GoogleModuleAnchorSource;

} // namespace tidy
} // namespace clang