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)
LLVM_YAML_IS_SEQUENCE_VECTOR(clang::tooling::DiagnosticMessage)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