1 //===--- DriverOptions.cpp - Driver Options Table -------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "clang/Driver/Options.h" 10 #include "llvm/ADT/STLExtras.h" 11 #include "llvm/Option/OptTable.h" 12 #include "llvm/Option/Option.h" 13 #include <cassert> 14 15 using namespace clang::driver; 16 using namespace clang::driver::options; 17 using namespace llvm::opt; 18 19 #define PREFIX(NAME, VALUE) static const char *const NAME[] = VALUE; 20 #include "clang/Driver/Options.inc" 21 #undef PREFIX 22 23 static const OptTable::Info InfoTable[] = { 24 #define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \ 25 HELPTEXT, METAVAR, VALUES) \ 26 {PREFIX, NAME, HELPTEXT, METAVAR, OPT_##ID, Option::KIND##Class, \ 27 PARAM, FLAGS, OPT_##GROUP, OPT_##ALIAS, ALIASARGS, VALUES}, 28 #include "clang/Driver/Options.inc" 29 #undef OPTION 30 }; 31 32 namespace { 33 34 class DriverOptTable : public OptTable { 35 public: 36 DriverOptTable() 37 : OptTable(InfoTable) {} 38 }; 39 40 } 41 42 const llvm::opt::OptTable &clang::driver::getDriverOptTable() { 43 static const DriverOptTable *Table = []() { 44 auto Result = std::make_unique<DriverOptTable>(); 45 // Options.inc is included in DriverOptions.cpp, and calls OptTable's 46 // addValues function. 47 // Opt is a variable used in the code fragment in Options.inc. 48 OptTable &Opt = *Result; 49 #define OPTTABLE_ARG_INIT 50 #include "clang/Driver/Options.inc" 51 #undef OPTTABLE_ARG_INIT 52 return Result.release(); 53 }(); 54 return *Table; 55 } 56