clang-tools 20.0.0git
NoEscapeCheck.h
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1//===--- NoEscapeCheck.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_BUGPRONE_NOESCAPECHECK_H
10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_NOESCAPECHECK_H
11
12#include "../ClangTidyCheck.h"
13
14namespace clang::tidy::bugprone {
15
16/// Block arguments in `dispatch_async()` and `dispatch_after()` are guaranteed
17/// to escape. If those blocks capture any pointers with the `noescape`
18/// attribute, then we warn the user of their error.
19///
20/// For the user-facing documentation see:
21/// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/no-escape.html
23public:
24 NoEscapeCheck(StringRef Name, ClangTidyContext *Context)
25 : ClangTidyCheck(Name, Context) {}
26 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
27 return LangOpts.Blocks;
28 }
29 void registerMatchers(ast_matchers::MatchFinder *Finder) override;
30 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
31};
32
33} // namespace clang::tidy::bugprone
34
35#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_NOESCAPECHECK_H
llvm::SmallString< 256U > Name
Base class for all clang-tidy checks.
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
Block arguments in dispatch_async() and dispatch_after() are guaranteed to escape.
Definition: NoEscapeCheck.h:22
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
NoEscapeCheck(StringRef Name, ClangTidyContext *Context)
Definition: NoEscapeCheck.h:24
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
bool isLanguageVersionSupported(const LangOptions &LangOpts) const override
Override this to disable registering matchers and PP callbacks if an invalid language version is bein...
Definition: NoEscapeCheck.h:26