1 //===- CXStoredDiagnostic.cpp - Diagnostics C Interface -------------------===// 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 // Implements part of the diagnostic functions of the Clang C interface. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "CIndexDiagnostic.h" 14 #include "CIndexer.h" 15 #include "CXTranslationUnit.h" 16 #include "CXSourceLocation.h" 17 #include "CXString.h" 18 19 #include "clang/Basic/DiagnosticIDs.h" 20 #include "clang/Frontend/ASTUnit.h" 21 #include "llvm/ADT/Twine.h" 22 23 using namespace clang; 24 using namespace clang::cxloc; 25 26 CXDiagnosticSeverity CXStoredDiagnostic::getSeverity() const { 27 switch (Diag.getLevel()) { 28 case DiagnosticsEngine::Ignored: return CXDiagnostic_Ignored; 29 case DiagnosticsEngine::Note: return CXDiagnostic_Note; 30 case DiagnosticsEngine::Remark: 31 // The 'Remark' level isn't represented in the stable API. 32 case DiagnosticsEngine::Warning: return CXDiagnostic_Warning; 33 case DiagnosticsEngine::Error: return CXDiagnostic_Error; 34 case DiagnosticsEngine::Fatal: return CXDiagnostic_Fatal; 35 } 36 37 llvm_unreachable("Invalid diagnostic level"); 38 } 39 40 CXSourceLocation CXStoredDiagnostic::getLocation() const { 41 if (Diag.getLocation().isInvalid()) 42 return clang_getNullLocation(); 43 44 return translateSourceLocation(Diag.getLocation().getManager(), 45 LangOpts, Diag.getLocation()); 46 } 47 48 CXString CXStoredDiagnostic::getSpelling() const { 49 return cxstring::createRef(Diag.getMessage()); 50 } 51 52 CXString CXStoredDiagnostic::getDiagnosticOption(CXString *Disable) const { 53 unsigned ID = Diag.getID(); 54 if (DiagnosticIDs::IsCustomDiag(ID)) 55 return cxstring::createEmpty(); 56 StringRef Option = DiagnosticIDs{}.getWarningOptionForDiag(ID); 57 if (!Option.empty()) { 58 if (Disable) 59 *Disable = cxstring::createDup((Twine("-Wno-") + Option).str()); 60 return cxstring::createDup((Twine("-W") + Option).str()); 61 } 62 63 if (ID == diag::fatal_too_many_errors) { 64 if (Disable) 65 *Disable = cxstring::createRef("-ferror-limit=0"); 66 return cxstring::createRef("-ferror-limit="); 67 } 68 69 return cxstring::createEmpty(); 70 } 71 72 unsigned CXStoredDiagnostic::getCategory() const { 73 return DiagnosticIDs::getCategoryNumberForDiag(Diag.getID()); 74 } 75 76 CXString CXStoredDiagnostic::getCategoryText() const { 77 unsigned catID = DiagnosticIDs::getCategoryNumberForDiag(Diag.getID()); 78 return cxstring::createRef(DiagnosticIDs::getCategoryNameFromID(catID)); 79 } 80 81 unsigned CXStoredDiagnostic::getNumRanges() const { 82 if (Diag.getLocation().isInvalid()) 83 return 0; 84 85 return Diag.range_size(); 86 } 87 88 CXSourceRange CXStoredDiagnostic::getRange(unsigned int Range) const { 89 assert(Diag.getLocation().isValid()); 90 return translateSourceRange(Diag.getLocation().getManager(), 91 LangOpts, 92 Diag.range_begin()[Range]); 93 } 94 95 unsigned CXStoredDiagnostic::getNumFixIts() const { 96 if (Diag.getLocation().isInvalid()) 97 return 0; 98 return Diag.fixit_size(); 99 } 100 101 CXString CXStoredDiagnostic::getFixIt(unsigned FixIt, 102 CXSourceRange *ReplacementRange) const { 103 const FixItHint &Hint = Diag.fixit_begin()[FixIt]; 104 if (ReplacementRange) { 105 // Create a range that covers the entire replacement (or 106 // removal) range, adjusting the end of the range to point to 107 // the end of the token. 108 *ReplacementRange = translateSourceRange(Diag.getLocation().getManager(), 109 LangOpts, Hint.RemoveRange); 110 } 111 return cxstring::createDup(Hint.CodeToInsert); 112 } 113