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:
DriverOptTable()36 DriverOptTable()
37 : OptTable(InfoTable) {}
38 };
39
40 }
41
getDriverOptTable()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