llvm-for-llvmta/tools/clang/lib/Driver/DriverOptions.cpp

56 lines
1.7 KiB
C++

//===--- DriverOptions.cpp - Driver Options Table -------------------------===//
//
// 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 "clang/Driver/Options.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/Option/OptTable.h"
#include "llvm/Option/Option.h"
#include <cassert>
using namespace clang::driver;
using namespace clang::driver::options;
using namespace llvm::opt;
#define PREFIX(NAME, VALUE) static const char *const NAME[] = VALUE;
#include "clang/Driver/Options.inc"
#undef PREFIX
static const OptTable::Info InfoTable[] = {
#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \
HELPTEXT, METAVAR, VALUES) \
{PREFIX, NAME, HELPTEXT, METAVAR, OPT_##ID, Option::KIND##Class, \
PARAM, FLAGS, OPT_##GROUP, OPT_##ALIAS, ALIASARGS, VALUES},
#include "clang/Driver/Options.inc"
#undef OPTION
};
namespace {
class DriverOptTable : public OptTable {
public:
DriverOptTable()
: OptTable(InfoTable) {}
};
}
const llvm::opt::OptTable &clang::driver::getDriverOptTable() {
static const DriverOptTable *Table = []() {
auto Result = std::make_unique<DriverOptTable>();
// Options.inc is included in DriverOptions.cpp, and calls OptTable's
// addValues function.
// Opt is a variable used in the code fragment in Options.inc.
OptTable &Opt = *Result;
#define OPTTABLE_ARG_INIT
#include "clang/Driver/Options.inc"
#undef OPTTABLE_ARG_INIT
return Result.release();
}();
return *Table;
}