DriverOptions.cpp source code [clang_source_code/lib/Driver/DriverOptions.cpp]

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	std::unique_ptr<OptTable> clang::driver::createDriverOptTable() {
43	auto Result = llvm::make_unique<DriverOptTable>();
44	// Options.inc is included in DriverOptions.cpp, and calls OptTable's
45	// addValues function.
46	// Opt is a variable used in the code fragment in Options.inc.
47	OptTable &Opt = *Result;
48	#define OPTTABLE_ARG_INIT
49	#include "clang/Driver/Options.inc"
50	#undef OPTTABLE_ARG_INIT
51	return std::move(Result);
52	}
53

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