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StringReferenceMemberCheck.h
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//===--- StringReferenceMemberCheck.h - clang-tidy ----------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_GOOGLE_STRINGREFERENCEMEMBERCHECK_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_GOOGLE_STRINGREFERENCEMEMBERCHECK_H
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#include "../ClangTidy.h"
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namespace
clang {
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namespace
tidy {
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namespace
google {
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namespace
runtime {
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/// Finds members of type `const string&`.
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///
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/// const string reference members are generally considered unsafe as they can
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/// be created from a temporary quite easily.
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///
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/// \code
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/// struct S {
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/// S(const string &Str) : Str(Str) {}
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/// const string &Str;
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/// };
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/// S instance("string");
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/// \endcode
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///
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/// In the constructor call a string temporary is created from `const char *`
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/// and destroyed immediately after the call. This leaves around a dangling
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/// reference.
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///
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/// This check emit warnings for both `std::string` and `::string` const
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/// reference members.
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///
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/// Corresponding cpplint.py check name: 'runtime/member_string_reference'.
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class
StringReferenceMemberCheck
:
public
ClangTidyCheck
{
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public
:
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StringReferenceMemberCheck
(StringRef
Name
,
ClangTidyContext
*Context)
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:
ClangTidyCheck
(Name, Context) {}
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void
registerMatchers
(ast_matchers::MatchFinder *
Finder
)
override
;
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void
check
(
const
ast_matchers::MatchFinder::MatchResult &Result)
override
;
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};
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}
// namespace runtime
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}
// namespace google
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}
// namespace tidy
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}
// namespace clang
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_GOOGLE_STRINGREFERENCEMEMBERCHECK_H
clang::tidy::google::runtime::StringReferenceMemberCheck
Finds members of type const string&.
Definition:
StringReferenceMemberCheck.h:41
Name
StringHandle Name
Definition:
PreprocessorTracker.cpp:525
clang::tidy::google::runtime::StringReferenceMemberCheck::registerMatchers
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
Definition:
StringReferenceMemberCheck.cpp:22
Finder
std::unique_ptr< ast_matchers::MatchFinder > Finder
Definition:
ClangTidy.cpp:275
clang::tidy::google::runtime::StringReferenceMemberCheck::StringReferenceMemberCheck
StringReferenceMemberCheck(StringRef Name, ClangTidyContext *Context)
Definition:
StringReferenceMemberCheck.h:43
clang::tidy::ClangTidyCheck
Base class for all clang-tidy checks.
Definition:
ClangTidy.h:127
clang::tidy::ClangTidyContext
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
Definition:
ClangTidyDiagnosticConsumer.h:104
clang::tidy::google::runtime::StringReferenceMemberCheck::check
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
Definition:
StringReferenceMemberCheck.cpp:41
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