xref: /freebsd/contrib/llvm-project/clang/lib/Driver/DriverOptions.cpp (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
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 OPTTABLE_VALUES_CODE
20 #include "clang/Driver/Options.inc"
21 #undef OPTTABLE_VALUES_CODE
22 
23 #define PREFIX(NAME, VALUE)                                                    \
24   static constexpr llvm::StringLiteral NAME##_init[] = VALUE;                  \
25   static constexpr llvm::ArrayRef<llvm::StringLiteral> NAME(                   \
26       NAME##_init, std::size(NAME##_init) - 1);
27 #include "clang/Driver/Options.inc"
28 #undef PREFIX
29 
30 static constexpr const llvm::StringLiteral PrefixTable_init[] =
31 #define PREFIX_UNION(VALUES) VALUES
32 #include "clang/Driver/Options.inc"
33 #undef PREFIX_UNION
34     ;
35 static constexpr const llvm::ArrayRef<llvm::StringLiteral>
36     PrefixTable(PrefixTable_init, std::size(PrefixTable_init) - 1);
37 
38 static constexpr OptTable::Info InfoTable[] = {
39 #define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM,  \
40                HELPTEXT, METAVAR, VALUES)                                      \
41   {PREFIX, NAME,  HELPTEXT,    METAVAR,     OPT_##ID,  Option::KIND##Class,    \
42    PARAM,  FLAGS, OPT_##GROUP, OPT_##ALIAS, ALIASARGS, VALUES},
43 #include "clang/Driver/Options.inc"
44 #undef OPTION
45 };
46 
47 namespace {
48 
49 class DriverOptTable : public PrecomputedOptTable {
50 public:
51   DriverOptTable() : PrecomputedOptTable(InfoTable, PrefixTable) {}
52 };
53 }
54 
55 const llvm::opt::OptTable &clang::driver::getDriverOptTable() {
56   static DriverOptTable Table;
57   return Table;
58 }
59