1 //===-- DiagnosticsYaml.h -- Serialiazation for Diagnosticss ---*- C++ -*-===// 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 /// \file 10 /// This file defines the structure of a YAML document for serializing 11 /// diagnostics. 12 /// 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_CLANG_TOOLING_DIAGNOSTICSYAML_H 16 #define LLVM_CLANG_TOOLING_DIAGNOSTICSYAML_H 17 18 #include "clang/Tooling/Core/Diagnostic.h" 19 #include "clang/Tooling/ReplacementsYaml.h" 20 #include "llvm/Support/YAMLTraits.h" 21 #include <string> 22 23 LLVM_YAML_IS_SEQUENCE_VECTOR(clang::tooling::Diagnostic) 24 LLVM_YAML_IS_SEQUENCE_VECTOR(clang::tooling::DiagnosticMessage) 25 LLVM_YAML_IS_SEQUENCE_VECTOR(clang::tooling::FileByteRange) 26 27 namespace llvm { 28 namespace yaml { 29 30 template <> struct MappingTraits<clang::tooling::FileByteRange> { 31 static void mapping(IO &Io, clang::tooling::FileByteRange &R) { 32 Io.mapRequired("FilePath", R.FilePath); 33 Io.mapRequired("FileOffset", R.FileOffset); 34 Io.mapRequired("Length", R.Length); 35 } 36 }; 37 38 template <> struct MappingTraits<clang::tooling::DiagnosticMessage> { 39 static void mapping(IO &Io, clang::tooling::DiagnosticMessage &M) { 40 Io.mapRequired("Message", M.Message); 41 Io.mapOptional("FilePath", M.FilePath); 42 Io.mapOptional("FileOffset", M.FileOffset); 43 std::vector<clang::tooling::Replacement> Fixes; 44 for (auto &Replacements : M.Fix) { 45 for (auto &Replacement : Replacements.second) 46 Fixes.push_back(Replacement); 47 } 48 Io.mapRequired("Replacements", Fixes); 49 for (auto &Fix : Fixes) { 50 llvm::Error Err = M.Fix[Fix.getFilePath()].add(Fix); 51 if (Err) { 52 // FIXME: Implement better conflict handling. 53 llvm::errs() << "Fix conflicts with existing fix: " 54 << llvm::toString(std::move(Err)) << "\n"; 55 } 56 } 57 } 58 }; 59 60 template <> struct MappingTraits<clang::tooling::Diagnostic> { 61 /// Helper to (de)serialize a Diagnostic since we don't have direct 62 /// access to its data members. 63 class NormalizedDiagnostic { 64 public: 65 NormalizedDiagnostic(const IO &) 66 : DiagLevel(clang::tooling::Diagnostic::Level::Warning) {} 67 68 NormalizedDiagnostic(const IO &, const clang::tooling::Diagnostic &D) 69 : DiagnosticName(D.DiagnosticName), Message(D.Message), Notes(D.Notes), 70 DiagLevel(D.DiagLevel), BuildDirectory(D.BuildDirectory), 71 Ranges(D.Ranges) {} 72 73 clang::tooling::Diagnostic denormalize(const IO &) { 74 return clang::tooling::Diagnostic(DiagnosticName, Message, Notes, 75 DiagLevel, BuildDirectory, Ranges); 76 } 77 78 std::string DiagnosticName; 79 clang::tooling::DiagnosticMessage Message; 80 SmallVector<clang::tooling::DiagnosticMessage, 1> Notes; 81 clang::tooling::Diagnostic::Level DiagLevel; 82 std::string BuildDirectory; 83 SmallVector<clang::tooling::FileByteRange, 1> Ranges; 84 }; 85 86 static void mapping(IO &Io, clang::tooling::Diagnostic &D) { 87 MappingNormalization<NormalizedDiagnostic, clang::tooling::Diagnostic> Keys( 88 Io, D); 89 Io.mapRequired("DiagnosticName", Keys->DiagnosticName); 90 Io.mapRequired("DiagnosticMessage", Keys->Message); 91 Io.mapOptional("Notes", Keys->Notes); 92 Io.mapOptional("Level", Keys->DiagLevel); 93 Io.mapOptional("BuildDirectory", Keys->BuildDirectory); 94 Io.mapOptional("Ranges", Keys->Ranges); 95 } 96 }; 97 98 /// Specialized MappingTraits to describe how a 99 /// TranslationUnitDiagnostics is (de)serialized. 100 template <> struct MappingTraits<clang::tooling::TranslationUnitDiagnostics> { 101 static void mapping(IO &Io, clang::tooling::TranslationUnitDiagnostics &Doc) { 102 Io.mapRequired("MainSourceFile", Doc.MainSourceFile); 103 Io.mapRequired("Diagnostics", Doc.Diagnostics); 104 } 105 }; 106 107 template <> struct ScalarEnumerationTraits<clang::tooling::Diagnostic::Level> { 108 static void enumeration(IO &IO, clang::tooling::Diagnostic::Level &Value) { 109 IO.enumCase(Value, "Warning", clang::tooling::Diagnostic::Warning); 110 IO.enumCase(Value, "Error", clang::tooling::Diagnostic::Error); 111 } 112 }; 113 114 } // end namespace yaml 115 } // end namespace llvm 116 117 #endif // LLVM_CLANG_TOOLING_DIAGNOSTICSYAML_H 118