forked from OSchip/llvm-project
66 lines
2.6 KiB
C++
66 lines
2.6 KiB
C++
//===--- NoMallocCheck.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_CPPCOREGUIDELINES_NO_MALLOC_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_NO_MALLOC_H
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#include "../ClangTidy.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/ASTMatchers/ASTMatchFinder.h"
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namespace clang {
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namespace tidy {
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namespace cppcoreguidelines {
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/// This checker is concerned with C-style memory management and suggest modern
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/// alternatives to it.
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/// The check is only enabled in C++. For analyzing malloc calls see Clang
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/// Static Analyzer - unix.Malloc.
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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/cppcoreguidelines-no-malloc.html
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class NoMallocCheck : public ClangTidyCheck {
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public:
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/// Construct Checker and read in configuration for function names.
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NoMallocCheck(StringRef Name, ClangTidyContext *Context)
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: ClangTidyCheck(Name, Context),
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AllocList(Options.get("Allocations", "::malloc;::calloc")),
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ReallocList(Options.get("Reallocations", "::realloc")),
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DeallocList(Options.get("Deallocations", "::free")) {}
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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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/// Make configuration of checker discoverable.
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void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
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/// Registering for malloc, calloc, realloc and free calls.
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void registerMatchers(ast_matchers::MatchFinder *Finder) override;
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/// Checks matched function calls and gives suggestion to modernize the code.
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void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
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private:
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/// Semicolon-separated list of fully qualified names of memory allocation
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/// functions the check warns about. Defaults to `::malloc;::calloc`.
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const std::string AllocList;
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/// Semicolon-separated list of fully qualified names of memory reallocation
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/// functions the check warns about. Defaults to `::realloc`.
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const std::string ReallocList;
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/// Semicolon-separated list of fully qualified names of memory deallocation
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/// functions the check warns about. Defaults to `::free`.
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const std::string DeallocList;
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};
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} // namespace cppcoreguidelines
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} // namespace tidy
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} // namespace clang
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_NO_MALLOC_H
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