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