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ImplicitBoolCastCheck.h
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1 //===--- ImplicitBoolCastCheck.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_READABILITY_IMPLICIT_BOOL_CAST_H
11 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_IMPLICIT_BOOL_CAST_H
12
13 #include "../ClangTidy.h"
14
15 namespace clang {
16 namespace tidy {
17
18 /// \brief Checks for use of implicit bool casts in expressions.
19 ///
20 /// For the user-facing documentation see:
21 /// http://clang.llvm.org/extra/clang-tidy/checks/readability-implicit-bool-cast.html
22 class ImplicitBoolCastCheck : public ClangTidyCheck {
23 public:
24 ImplicitBoolCastCheck(StringRef Name, ClangTidyContext *Context)
25 : ClangTidyCheck(Name, Context),
26 AllowConditionalIntegerCasts(
27 Options.get("AllowConditionalIntegerCasts", 0) != 0),
28 AllowConditionalPointerCasts(
29 Options.get("AllowConditionalPointerCasts", 0) != 0) {}
30 void registerMatchers(ast_matchers::MatchFinder *Finder) override;
31 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
32
33 private:
34 void handleCastToBool(const ImplicitCastExpr *CastExpression,
35 const Stmt *ParentStatement, ASTContext &Context);
36 void handleCastFromBool(const ImplicitCastExpr *CastExpression,
37 const ImplicitCastExpr *FurtherImplicitCastExpression,
38 ASTContext &Context);
39
40 bool AllowConditionalIntegerCasts;
41 bool AllowConditionalPointerCasts;
42 };
43
44 } // namespace tidy
45 } // namespace clang
46
47 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_IMPLICIT_BOOL_CAST_H
clang::tidy::ImplicitBoolCastCheck::check
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
Definition: ImplicitBoolCastCheck.cpp:355
Name
StringHandle Name
Definition: PreprocessorTracker.cpp:525
Finder
std::unique_ptr< ast_matchers::MatchFinder > Finder
Definition: ClangTidy.cpp:188
clang::tidy::ClangTidyCheck
Base class for all clang-tidy checks.
Definition: ClangTidy.h:102
clang::tidy::ClangTidyCheck::Options
OptionsView Options
Definition: ClangTidy.h:158
clang::tidy::ImplicitBoolCastCheck
Checks for use of implicit bool casts in expressions.
Definition: ImplicitBoolCastCheck.h:22
clang::tidy::ImplicitBoolCastCheck::registerMatchers
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register ASTMatchers with Finder.
Definition: ImplicitBoolCastCheck.cpp:311
clang::tidy::ImplicitBoolCastCheck::ImplicitBoolCastCheck
ImplicitBoolCastCheck(StringRef Name, ClangTidyContext *Context)
Definition: ImplicitBoolCastCheck.h:24
clang::tidy::ClangTidyContext
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
Definition: ClangTidyDiagnosticConsumer.h:124
Result
const NamedDecl * Result
Definition: USRFinder.cpp:121