1 //===--- LoopConvertCheck.h - clang-tidy-------------------------*- 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 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_LOOP_CONVERT_H
11 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_LOOP_CONVERT_H
12 
13 #include "../ClangTidy.h"
14 #include "LoopConvertUtils.h"
15 
16 namespace clang {
17 namespace tidy {
18 namespace modernize {
19 
20 class LoopConvertCheck : public ClangTidyCheck {
21 public:
22   LoopConvertCheck(StringRef Name, ClangTidyContext *Context);
23   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
24   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
25   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
26 
27 private:
28   struct RangeDescriptor {
29     RangeDescriptor();
30     bool ContainerNeedsDereference;
31     bool DerefByConstRef;
32     bool DerefByValue;
33     std::string ContainerString;
34     QualType ElemType;
35   };
36 
37   void getAliasRange(SourceManager &SM, SourceRange &DeclRange);
38 
39   void doConversion(ASTContext *Context, const VarDecl *IndexVar,
40                     const ValueDecl *MaybeContainer, const UsageResult &Usages,
41                     const DeclStmt *AliasDecl, bool AliasUseRequired,
42                     bool AliasFromForInit, const ForStmt *Loop,
43                     RangeDescriptor Descriptor);
44 
45   StringRef getContainerString(ASTContext *Context, const ForStmt *Loop,
46                                const Expr *ContainerExpr);
47 
48   void getArrayLoopQualifiers(ASTContext *Context,
49                               const ast_matchers::BoundNodes &Nodes,
50                               const Expr *ContainerExpr,
51                               const UsageResult &Usages,
52                               RangeDescriptor &Descriptor);
53 
54   void getIteratorLoopQualifiers(ASTContext *Context,
55                                  const ast_matchers::BoundNodes &Nodes,
56                                  RangeDescriptor &Descriptor);
57 
58   void determineRangeDescriptor(ASTContext *Context,
59                                 const ast_matchers::BoundNodes &Nodes,
60                                 const ForStmt *Loop, LoopFixerKind FixerKind,
61                                 const Expr *ContainerExpr,
62                                 const UsageResult &Usages,
63                                 RangeDescriptor &Descriptor);
64 
65   bool isConvertible(ASTContext *Context, const ast_matchers::BoundNodes &Nodes,
66                      const ForStmt *Loop, LoopFixerKind FixerKind);
67 
68   std::unique_ptr<TUTrackingInfo> TUInfo;
69   const unsigned long long MaxCopySize;
70   const Confidence::Level MinConfidence;
71   const VariableNamer::NamingStyle NamingStyle;
72 };
73 
74 } // namespace modernize
75 } // namespace tidy
76 } // namespace clang
77 
78 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_LOOP_CONVERT_H
79