• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 //===- DiagnosticNames.h - Defines a table of all builtin diagnostics ------==//
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 "llvm/ADT/ArrayRef.h"
11 #include "llvm/ADT/StringRef.h"
12 #include "llvm/Support/DataTypes.h"
13 
14 namespace diagtool {
15 
16   struct DiagnosticRecord {
17     const char *NameStr;
18     short DiagID;
19     uint8_t NameLen;
20 
getNameDiagnosticRecord21     llvm::StringRef getName() const {
22       return llvm::StringRef(NameStr, NameLen);
23     }
24 
25     bool operator<(const DiagnosticRecord &Other) const {
26       return getName() < Other.getName();
27     }
28   };
29 
30   /// \brief Get every diagnostic in the system, sorted by name.
31   llvm::ArrayRef<DiagnosticRecord> getBuiltinDiagnosticsByName();
32 
33   /// \brief Get a diagnostic by its ID.
34   const DiagnosticRecord &getDiagnosticForID(short DiagID);
35 
36 
37   struct GroupRecord {
38     uint16_t NameOffset;
39     uint16_t Members;
40     uint16_t SubGroups;
41 
42     llvm::StringRef getName() const;
43 
44     template<typename RecordType>
45     class group_iterator {
46       const short *CurrentID;
47 
48       friend struct GroupRecord;
group_iteratorGroupRecord49       group_iterator(const short *Start) : CurrentID(Start) {
50         if (CurrentID && *CurrentID == -1)
51           CurrentID = nullptr;
52       }
53 
54     public:
55       typedef RecordType                 value_type;
56       typedef const value_type &         reference;
57       typedef const value_type *         pointer;
58       typedef std::forward_iterator_tag  iterator_category;
59       typedef std::ptrdiff_t             difference_type;
60 
61       inline reference operator*() const;
62       inline pointer operator->() const {
63         return &operator*();
64       }
65 
getIDGroupRecord66       inline short getID() const {
67         return *CurrentID;
68       }
69 
70       group_iterator &operator++() {
71         ++CurrentID;
72         if (*CurrentID == -1)
73           CurrentID = nullptr;
74         return *this;
75       }
76 
77       bool operator==(group_iterator &Other) const {
78         return CurrentID == Other.CurrentID;
79       }
80 
81       bool operator!=(group_iterator &Other) const {
82         return CurrentID != Other.CurrentID;
83       }
84     };
85 
86     typedef group_iterator<GroupRecord> subgroup_iterator;
87     subgroup_iterator subgroup_begin() const;
88     subgroup_iterator subgroup_end() const;
89 
90     typedef group_iterator<DiagnosticRecord> diagnostics_iterator;
91     diagnostics_iterator diagnostics_begin() const;
92     diagnostics_iterator diagnostics_end() const;
93 
94     bool operator<(llvm::StringRef Other) const {
95       return getName() < Other;
96     }
97   };
98 
99   /// \brief Get every diagnostic group in the system, sorted by name.
100   llvm::ArrayRef<GroupRecord> getDiagnosticGroups();
101 
102   template<>
103   inline GroupRecord::subgroup_iterator::reference
104   GroupRecord::subgroup_iterator::operator*() const {
105     return getDiagnosticGroups()[*CurrentID];
106   }
107 
108   template<>
109   inline GroupRecord::diagnostics_iterator::reference
110   GroupRecord::diagnostics_iterator::operator*() const {
111     return getDiagnosticForID(*CurrentID);
112   }
113 } // end namespace diagtool
114 
115