clang::tidy::bugprone::MisplacedWideningCastCheck Class Reference

Find casts of calculation results to bigger type. More...

#include <MisplacedWideningCastCheck.h>

Inheritance diagram for clang::tidy::bugprone::MisplacedWideningCastCheck:

Public Member Functions
	MisplacedWideningCastCheck (StringRef Name, ClangTidyContext *Context)
void	storeOptions (ClangTidyOptions::OptionMap &Opts) override
void	registerMatchers (ast_matchers::MatchFinder *Finder) override
void	check (const ast_matchers::MatchFinder::MatchResult &Result) override

Detailed Description

Find casts of calculation results to bigger type.

Typically from int to long. If the intention of the cast is to avoid loss of precision then the cast is misplaced, and there can be loss of precision. Otherwise such cast is ineffective.

There is one option:

• CheckImplicitCasts: Whether to check implicit casts as well which may For the user-facing documentation see: https://clang.llvm.org/extra/clang-tidy/checks/bugprone/misplaced-widening-cast.html

Definition at line 28 of file MisplacedWideningCastCheck.h.

Constructor & Destructor Documentation

MisplacedWideningCastCheck()

clang::tidy::bugprone::MisplacedWideningCastCheck::MisplacedWideningCastCheck	(	StringRef	Name,
		ClangTidyContext *	Context )

Definition at line 17 of file MisplacedWideningCastCheck.cpp.

Member Function Documentation

check()

void clang::tidy::bugprone::MisplacedWideningCastCheck::check ( const ast_matchers::MatchFinder::MatchResult & Result )

override

Definition at line 178 of file MisplacedWideningCastCheck.cpp.

References clang::tidy::bugprone::getMaxCalculationWidth(), and clang::tidy::bugprone::isFirstWider().

registerMatchers()

void clang::tidy::bugprone::MisplacedWideningCastCheck::registerMatchers ( ast_matchers::MatchFinder * Finder )

override

Definition at line 27 of file MisplacedWideningCastCheck.cpp.

storeOptions()

void clang::tidy::bugprone::MisplacedWideningCastCheck::storeOptions ( ClangTidyOptions::OptionMap & Opts )

override

Definition at line 22 of file MisplacedWideningCastCheck.cpp.

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The documentation for this class was generated from the following files:

• MisplacedWideningCastCheck.h
• MisplacedWideningCastCheck.cpp