CommandLine.h revision f7ac0f19a1c8d0ad14bcf6456ce368b830fea886 
1//===- CommandLine.h ------------------------------------------------------===//
2//
3//                     The MCLinker Project
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9#ifndef MCLD_COMMANDLINE_H
10#define MCLD_COMMANDLINE_H
11#ifdef ENABLE_UNITTEST
12#include <gtest.h>
13#endif
14#include <mcld/Support/FileSystem.h>
15#include <mcld/MC/ZOption.h>
16
17#include <llvm/ADT/StringRef.h>
18#include <llvm/ADT/Triple.h>
19#include <llvm/Support/CommandLine.h>
20
21#include <string>
22
23namespace llvm {
24namespace cl {
25
26//===----------------------------------------------------------------------===//
27// SearchDirParser
28//===----------------------------------------------------------------------===//
29class SearchDirParser : public llvm::cl::basic_parser<std::string>
30{
31public:
32  // parse - Return true on error.
33  bool parse(Option &pOption,
34             StringRef pArgName,
35             StringRef pArg,
36             std::string &pValue);
37
38  const char *getValueName() const { return "searchdir"; }
39
40  void printOptionDiff(const Option &pOption,
41                       StringRef pValue,
42                       OptVal pDefault,
43                       size_t pGlobalWidth) const;
44
45  void anchor();
46};
47
48//===----------------------------------------------------------------------===//
49// FalseParser
50//===----------------------------------------------------------------------===//
51class FalseParser : public cl::parser<bool>
52{
53public:
54  // parse - Return true on error.
55  bool parse(cl::Option &O, StringRef ArgName, StringRef Arg, bool &Val) {
56    if (cl::parser<bool>::parse(O, ArgName, Arg, Val))
57      return false;
58    Val = false;
59    return false;
60  }
61};
62
63//===----------------------------------------------------------------------===//
64// parser<mcld::sys::fs::Path>
65//===----------------------------------------------------------------------===//
66template<>
67class parser<mcld::sys::fs::Path> : public basic_parser<mcld::sys::fs::Path>
68{
69public:
70  bool parse(Option &O,
71             StringRef ArgName,
72             StringRef Arg,
73             mcld::sys::fs::Path &Val);
74
75  virtual const char *getValueName() const { return "path"; }
76  void printOptionDiff(const Option &O,
77                       const mcld::sys::fs::Path &V,
78                       OptVal Default,
79                       size_t GlobalWidth) const;
80  virtual void anchor();
81};
82
83//===----------------------------------------------------------------------===//
84// parser<mcld::ZOption>
85//===----------------------------------------------------------------------===//
86template<>
87class parser<mcld::ZOption> : public llvm::cl::basic_parser<mcld::ZOption>
88{
89public:
90  bool parse(Option &O, StringRef ArgName, StringRef Arg, mcld::ZOption &Val);
91
92  virtual const char *getValueName() const { return "z-option"; }
93  void printOptionDiff(const Option &O,
94                       const mcld::ZOption &V,
95                       OptVal Default,
96                       size_t GlobalWidth) const;
97  virtual void anchor();
98};
99
100} // namespace of cl
101} // namespace of llvm
102
103#endif
104
105