xref: /freebsd/contrib/llvm-project/clang/lib/Driver/DriverOptions.cpp (revision b59017c5cad90d0f09a59e68c00457b7faf93e7c)
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(...) LLVM_CONSTRUCT_OPT_INFO(__VA_ARGS__),
40 #include "clang/Driver/Options.inc"
41 #undef OPTION
42 };
43 
44 namespace {
45 
46 class DriverOptTable : public PrecomputedOptTable {
47 public:
48   DriverOptTable() : PrecomputedOptTable(InfoTable, PrefixTable) {}
49 };
50 }
51 
52 const llvm::opt::OptTable &clang::driver::getDriverOptTable() {
53   static DriverOptTable Table;
54   return Table;
55 }
56