clang-tools  12.0.0git
TypePromotionInMathFnCheck.h
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1 //===--- TypePromotionInMathFnCheck.h - clang-tidy---------------*- 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_CLANG_TIDY_PERFORMANCE_TYPE_PROMOTION_IN_MATH_FN_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_TYPE_PROMOTION_IN_MATH_FN_H
11 
12 #include "../ClangTidyCheck.h"
13 #include "../utils/IncludeInserter.h"
14 
15 namespace clang {
16 namespace tidy {
17 namespace performance {
18 
19 /// Finds calls to C math library functions with implicit float to double
20 /// promotions.
21 ///
22 /// For example, warns on ::sin(0.f), because this funciton's parameter is a
23 /// double. You probably meant to call std::sin(0.f) (in C++), or sinf(0.f) (in
24 /// C).
25 ///
26 /// For the user-facing documentation see:
27 /// http://clang.llvm.org/extra/clang-tidy/checks/performance-type-promotion-in-math-fn.html
29 public:
31 
32  void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP,
33  Preprocessor *ModuleExpanderPP) override;
34  void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
35  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
36  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
37 
38 private:
39  std::unique_ptr<utils::IncludeInserter> IncludeInserter;
40  const utils::IncludeSorter::IncludeStyle IncludeStyle;
41 };
42 
43 } // namespace performance
44 } // namespace tidy
45 } // namespace clang
46 
47 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_TYPE_PROMOTION_IN_MATH_FN_H
void storeOptions(ClangTidyOptions::OptionMap &Opts) override
Should store all options supported by this check with their current values or default values for opti...
IncludeStyle
Supported include styles.
Definition: IncludeSorter.h:26
Base class for all clang-tidy checks.
TypePromotionInMathFnCheck(StringRef Name, ClangTidyContext *Context)
Finds calls to C math library functions with implicit float to double promotions. ...
static constexpr llvm::StringLiteral Name
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP, Preprocessor *ModuleExpanderPP) override
Override this to register PPCallbacks in the preprocessor.
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
std::map< std::string, ClangTidyValue > OptionMap