1 //===-- IncludeFixerContext.h - Include fixer context -----------*- 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 #ifndef LLVM_CLANG_TOOLS_EXTRA_INCLUDE_FIXER_INCLUDEFIXERCONTEXT_H
10 #define LLVM_CLANG_TOOLS_EXTRA_INCLUDE_FIXER_INCLUDEFIXERCONTEXT_H
11 
12 #include "find-all-symbols/SymbolInfo.h"
13 #include "clang/Tooling/Core/Replacement.h"
14 #include <string>
15 #include <vector>
16 
17 namespace clang {
18 namespace include_fixer {
19 
20 /// A context for a file being processed. It includes all query
21 /// information, e.g. symbols being queried in database, all header candidates.
22 class IncludeFixerContext {
23 public:
24   struct HeaderInfo {
25     /// The header where QualifiedName comes from.
26     std::string Header;
27     /// A symbol name with completed namespace qualifiers which will
28     /// replace the original symbol.
29     std::string QualifiedName;
30   };
31 
32   struct QuerySymbolInfo {
33     /// The raw symbol name being queried in database. This name might
34     /// miss some namespace qualifiers, and will be replaced by a fully
35     /// qualified one.
36     std::string RawIdentifier;
37 
38     /// The qualifiers of the scope in which SymbolIdentifier lookup
39     /// occurs. It is represented as a sequence of names and scope resolution
40     /// operators ::, ending with a scope resolution operator (e.g. a::b::).
41     /// Empty if SymbolIdentifier is not in a specific scope.
42     std::string ScopedQualifiers;
43 
44     /// The replacement range of RawIdentifier.
45     tooling::Range Range;
46   };
47 
48   IncludeFixerContext() = default;
49   IncludeFixerContext(StringRef FilePath,
50                       std::vector<QuerySymbolInfo> QuerySymbols,
51                       std::vector<find_all_symbols::SymbolInfo> Symbols);
52 
53   /// Get symbol name.
getSymbolIdentifier()54   llvm::StringRef getSymbolIdentifier() const {
55     return QuerySymbolInfos.front().RawIdentifier;
56   }
57 
58   /// Get replacement range of the symbol.
getSymbolRange()59   tooling::Range getSymbolRange() const {
60     return QuerySymbolInfos.front().Range;
61   }
62 
63   /// Get the file path to the file being processed.
getFilePath()64   StringRef getFilePath() const { return FilePath; }
65 
66   /// Get header information.
getHeaderInfos()67   const std::vector<HeaderInfo> &getHeaderInfos() const { return HeaderInfos; }
68 
69   /// Get information of symbols being querid.
getQuerySymbolInfos()70   const std::vector<QuerySymbolInfo> &getQuerySymbolInfos() const {
71     return QuerySymbolInfos;
72   }
73 
74 private:
75   friend struct llvm::yaml::MappingTraits<IncludeFixerContext>;
76 
77   /// The file path to the file being processed.
78   std::string FilePath;
79 
80   /// All instances of an unidentified symbol being queried.
81   std::vector<QuerySymbolInfo> QuerySymbolInfos;
82 
83   /// The symbol candidates which match SymbolIdentifier. The symbols are
84   /// sorted in a descending order based on the popularity info in SymbolInfo.
85   std::vector<find_all_symbols::SymbolInfo> MatchedSymbols;
86 
87   /// The header information.
88   std::vector<HeaderInfo> HeaderInfos;
89 };
90 
91 } // namespace include_fixer
92 } // namespace clang
93 
94 #endif // LLVM_CLANG_TOOLS_EXTRA_INCLUDE_FIXER_INCLUDEFIXERCONTEXT_H
95