clang  6.0.0svn
DriverOptions.cpp
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1 //===--- DriverOptions.cpp - Driver Options Table -------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "clang/Driver/Options.h"
11 #include "llvm/ADT/STLExtras.h"
12 #include "llvm/Option/OptTable.h"
13 #include "llvm/Option/Option.h"
14 #include <cassert>
15 
16 using namespace clang::driver;
17 using namespace clang::driver::options;
18 using namespace llvm::opt;
19 
20 #define PREFIX(NAME, VALUE) static const char *const NAME[] = VALUE;
21 #include "clang/Driver/Options.inc"
22 #undef PREFIX
23 
24 static const OptTable::Info InfoTable[] = {
25 #define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \
26  HELPTEXT, METAVAR, VALUES) \
27  {PREFIX, NAME, HELPTEXT, METAVAR, OPT_##ID, Option::KIND##Class, \
28  PARAM, FLAGS, OPT_##GROUP, OPT_##ALIAS, ALIASARGS, VALUES},
29 #include "clang/Driver/Options.inc"
30 #undef OPTION
31 };
32 
33 namespace {
34 
35 class DriverOptTable : public OptTable {
36 public:
37  DriverOptTable()
38  : OptTable(InfoTable) {}
39 };
40 
41 }
42 
43 std::unique_ptr<OptTable> clang::driver::createDriverOptTable() {
44  auto Result = llvm::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 std::move(Result);
53 }
static const OptTable::Info InfoTable[]
std::unique_ptr< llvm::opt::OptTable > createDriverOptTable()