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     59   assert(Result && "diagnostic not found; table may be out of date");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