1 //===- DiagnosticNames.cpp - Defines a table of all builtin diagnostics ----==//
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 "DiagnosticNames.h"
10 #include "clang/Basic/AllDiagnostics.h"
11 #include "llvm/ADT/STLExtras.h"
12 
13 using namespace clang;
14 using namespace diagtool;
15 
16 static const DiagnosticRecord BuiltinDiagnosticsByName[] = {
17 #define DIAG_NAME_INDEX(ENUM) { #ENUM, diag::ENUM, STR_SIZE(#ENUM, uint8_t) },
18 #include "clang/Basic/DiagnosticIndexName.inc"
19 #undef DIAG_NAME_INDEX
20 };
21 
22 llvm::ArrayRef<DiagnosticRecord> diagtool::getBuiltinDiagnosticsByName() {
23   return llvm::makeArrayRef(BuiltinDiagnosticsByName);
24 }
25 
26 
27 // FIXME: Is it worth having two tables, especially when this one can get
28 // out of sync easily?
29 static const DiagnosticRecord BuiltinDiagnosticsByID[] = {
30 #define DIAG(ENUM,CLASS,DEFAULT_MAPPING,DESC,GROUP,               \
31              SFINAE,NOWERROR,SHOWINSYSHEADER,CATEGORY)            \
32   { #ENUM, diag::ENUM, STR_SIZE(#ENUM, uint8_t) },
33 #include "clang/Basic/DiagnosticCommonKinds.inc"
34 #include "clang/Basic/DiagnosticCrossTUKinds.inc"
35 #include "clang/Basic/DiagnosticDriverKinds.inc"
36 #include "clang/Basic/DiagnosticFrontendKinds.inc"
37 #include "clang/Basic/DiagnosticSerializationKinds.inc"
38 #include "clang/Basic/DiagnosticLexKinds.inc"
39 #include "clang/Basic/DiagnosticParseKinds.inc"
40 #include "clang/Basic/DiagnosticASTKinds.inc"
41 #include "clang/Basic/DiagnosticCommentKinds.inc"
42 #include "clang/Basic/DiagnosticSemaKinds.inc"
43 #include "clang/Basic/DiagnosticAnalysisKinds.inc"
44 #include "clang/Basic/DiagnosticRefactoringKinds.inc"
45 #undef DIAG
46 };
47 
48 static bool orderByID(const DiagnosticRecord &Left,
49                       const DiagnosticRecord &Right) {
50   return Left.DiagID < Right.DiagID;
51 }
52 
53 const DiagnosticRecord &diagtool::getDiagnosticForID(short DiagID) {
54   DiagnosticRecord Key = {nullptr, DiagID, 0};
55 
56   const DiagnosticRecord *Result =
57       llvm::lower_bound(BuiltinDiagnosticsByID, Key, orderByID);
58   assert(Result && "diagnostic not found; table may be out of date");
59   return *Result;
60 }
61 
62 
63 #define GET_DIAG_ARRAYS
64 #include "clang/Basic/DiagnosticGroups.inc"
65 #undef GET_DIAG_ARRAYS
66 
67 // Second the table of options, sorted by name for fast binary lookup.
68 static const GroupRecord OptionTable[] = {
69 #define GET_DIAG_TABLE
70 #include "clang/Basic/DiagnosticGroups.inc"
71 #undef GET_DIAG_TABLE
72 };
73 
74 llvm::StringRef GroupRecord::getName() const {
75   return StringRef(DiagGroupNames + NameOffset + 1, DiagGroupNames[NameOffset]);
76 }
77 
78 GroupRecord::subgroup_iterator GroupRecord::subgroup_begin() const {
79   return DiagSubGroups + SubGroups;
80 }
81 
82 GroupRecord::subgroup_iterator GroupRecord::subgroup_end() const {
83   return nullptr;
84 }
85 
86 llvm::iterator_range<diagtool::GroupRecord::subgroup_iterator>
87 GroupRecord::subgroups() const {
88   return llvm::make_range(subgroup_begin(), subgroup_end());
89 }
90 
91 GroupRecord::diagnostics_iterator GroupRecord::diagnostics_begin() const {
92   return DiagArrays + Members;
93 }
94 
95 GroupRecord::diagnostics_iterator GroupRecord::diagnostics_end() const {
96   return nullptr;
97 }
98 
99 llvm::iterator_range<diagtool::GroupRecord::diagnostics_iterator>
100 GroupRecord::diagnostics() const {
101   return llvm::make_range(diagnostics_begin(), diagnostics_end());
102 }
103 
104 llvm::ArrayRef<GroupRecord> diagtool::getDiagnosticGroups() {
105   return llvm::makeArrayRef(OptionTable);
106 }
107