clang-tools
11.0.0
clang-tools-extra
clang-tidy
performance
InefficientVectorOperationCheck.h
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//===--- InefficientVectorOperationCheck.h - clang-tidy----------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_INEFFICIENT_VECTOR_OPERATION_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_INEFFICIENT_VECTOR_OPERATION_H
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#include "../ClangTidyCheck.h"
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namespace
clang
{
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namespace
tidy {
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namespace
performance {
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/// Finds possible inefficient `std::vector` operations (e.g. `push_back`) in
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/// for loops that may cause unnecessary memory reallocations.
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///
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/// When EnableProto, also finds calls that add element to protobuf repeated
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/// field without calling Reserve() first.
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///
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/// For the user-facing documentation see:
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/// http://clang.llvm.org/extra/clang-tidy/checks/performance-inefficient-vector-operation.html
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class
InefficientVectorOperationCheck
:
public
ClangTidyCheck
{
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public
:
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InefficientVectorOperationCheck
(StringRef
Name
,
ClangTidyContext
*Context);
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bool
isLanguageVersionSupported
(
const
LangOptions &LangOpts)
const override
{
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return
LangOpts.CPlusPlus;
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}
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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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void
storeOptions
(
ClangTidyOptions::OptionMap
&Opts)
override
;
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private
:
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void
AddMatcher(
const
ast_matchers::DeclarationMatcher &TargetRecordDecl,
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StringRef VarDeclName, StringRef VarDeclStmtName,
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const
ast_matchers::DeclarationMatcher &AppendMethodDecl,
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StringRef AppendCallName, ast_matchers::MatchFinder *Finder);
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const
std::vector<std::string> VectorLikeClasses;
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// If true, also check inefficient operations for proto repeated fields.
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bool
EnableProto;
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};
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}
// namespace performance
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}
// namespace tidy
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}
// namespace clang
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_INEFFICIENT_VECTOR_OPERATION_H
clang::tidy::ClangTidyCheck
Base class for all clang-tidy checks.
Definition:
ClangTidyCheck.h:114
clang::tidy::performance::InefficientVectorOperationCheck::check
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
Definition:
InefficientVectorOperationCheck.cpp:176
clang::tidy::performance::InefficientVectorOperationCheck::registerMatchers
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
Definition:
InefficientVectorOperationCheck.cpp:154
clang::tidy::performance::InefficientVectorOperationCheck
Finds possible inefficient std::vector operations (e.g.
Definition:
InefficientVectorOperationCheck.h:26
clang::tidy::ClangTidyContext
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
Definition:
ClangTidyDiagnosticConsumer.h:76
Name
static constexpr llvm::StringLiteral Name
Definition:
UppercaseLiteralSuffixCheck.cpp:27
clang::tidy::performance::InefficientVectorOperationCheck::isLanguageVersionSupported
bool isLanguageVersionSupported(const LangOptions &LangOpts) const override
Override this to disable registering matchers and PP callbacks if an invalid language version is bein...
Definition:
InefficientVectorOperationCheck.h:29
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition:
ApplyReplacements.h:27
clang::tidy::performance::InefficientVectorOperationCheck::InefficientVectorOperationCheck
InefficientVectorOperationCheck(StringRef Name, ClangTidyContext *Context)
Definition:
InefficientVectorOperationCheck.cpp:73
clang::tidy::performance::InefficientVectorOperationCheck::storeOptions
void storeOptions(ClangTidyOptions::OptionMap &Opts) override
Should store all options supported by this check with their current values or default values for opti...
Definition:
InefficientVectorOperationCheck.cpp:80
clang::tidy::ClangTidyOptions::OptionMap
std::map< std::string, ClangTidyValue > OptionMap
Definition:
ClangTidyOptions.h:111
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