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1 //===-- ReplacementsYaml.h -- Serialiazation for Replacements ---*- C++ -*-===//
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 /// \file
11 /// \brief This file defines the structure of a YAML document for serializing
12 /// replacements.
13 ///
14 //===----------------------------------------------------------------------===//
15
16 #ifndef LLVM_CLANG_TOOLING_REPLACEMENTS_YAML_H
17 #define LLVM_CLANG_TOOLING_REPLACEMENTS_YAML_H
18
19 #include "clang/Tooling/Refactoring.h"
20 #include "llvm/Support/YAMLTraits.h"
21 #include <vector>
22 #include <string>
23
24 LLVM_YAML_IS_SEQUENCE_VECTOR(clang::tooling::Replacement)
25
26 namespace llvm {
27 namespace yaml {
28
29 /// \brief ScalarTraits to read/write std::string objects.
30 template <> struct ScalarTraits<std::string> {
31   static void output(const std::string &Val, void *, llvm::raw_ostream &Out) {
32     Out << Val;
33   }
34
35   static StringRef input(StringRef Scalar, void *, std::string &Val) {
36     Val = Scalar;
37     return StringRef();
38   }
39 };
40
41 /// \brief Specialized MappingTraits to describe how a Replacement is
42 /// (de)serialized.
43 template <> struct MappingTraits<clang::tooling::Replacement> {
44   /// \brief Helper to (de)serialize a Replacement since we don't have direct
45   /// access to its data members.
46   struct NormalizedReplacement {
47     NormalizedReplacement(const IO &)
48         : FilePath(""), Offset(0), Length(0), ReplacementText("") {}
49
50     NormalizedReplacement(const IO &, const clang::tooling::Replacement &R)
51         : FilePath(R.getFilePath()), Offset(R.getOffset()),
52           Length(R.getLength()), ReplacementText(R.getReplacementText()) {}
53
54     clang::tooling::Replacement denormalize(const IO &) {
55       return clang::tooling::Replacement(FilePath, Offset, Length,
56                                          ReplacementText);
57     }
58
59     std::string FilePath;
60     unsigned int Offset;
61     unsigned int Length;
62     std::string ReplacementText;
63   };
64
65   static void mapping(IO &Io, clang::tooling::Replacement &R) {
66     MappingNormalization<NormalizedReplacement, clang::tooling::Replacement>
67     Keys(Io, R);
68     Io.mapRequired("FilePath", Keys->FilePath);
69     Io.mapRequired("Offset", Keys->Offset);
70     Io.mapRequired("Length", Keys->Length);
71     Io.mapRequired("ReplacementText", Keys->ReplacementText);
72   }
73 };
74
75 /// \brief Specialized MappingTraits to describe how a
76 /// TranslationUnitReplacements is (de)serialized.
77 template <> struct MappingTraits<clang::tooling::TranslationUnitReplacements> {
78   static void mapping(IO &Io,
79                       clang::tooling::TranslationUnitReplacements &Doc) {
80     Io.mapRequired("MainSourceFile", Doc.MainSourceFile);
81     Io.mapOptional("Context", Doc.Context, std::string());
82     Io.mapRequired("Replacements", Doc.Replacements);
83   }
84 };
85 } // end namespace yaml
86 } // end namespace llvm
87
88 #endif // LLVM_CLANG_TOOLING_REPLACEMENTS_YAML_H