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//===--- NoMallocCheck.h - clang-tidy----------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_NO_MALLOC_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_NO_MALLOC_H
#include "../ClangTidyCheck.h"
namespace clang::tidy::cppcoreguidelines {
/// This checker is concerned with C-style memory management and suggest modern
/// alternatives to it.
/// The check is only enabled in C++. For analyzing malloc calls see Clang
/// Static Analyzer - unix.Malloc.
///
/// For the user-facing documentation see:
/// http://clang.llvm.org/extra/clang-tidy/checks/cppcoreguidelines/no-malloc.html
class NoMallocCheck : public ClangTidyCheck {
public:
/// Construct Checker and read in configuration for function names.
NoMallocCheck(StringRef Name, ClangTidyContext *Context)
: ClangTidyCheck(Name, Context),
AllocList(Options.get("Allocations", "::malloc;::calloc")),
ReallocList(Options.get("Reallocations", "::realloc")),
DeallocList(Options.get("Deallocations", "::free")) {}
bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
return LangOpts.CPlusPlus;
}
/// Make configuration of checker discoverable.
void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
/// Registering for malloc, calloc, realloc and free calls.
void registerMatchers(ast_matchers::MatchFinder *Finder) override;
/// Checks matched function calls and gives suggestion to modernize the code.
void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
private:
/// Semicolon-separated list of fully qualified names of memory allocation
/// functions the check warns about. Defaults to `::malloc;::calloc`.
const StringRef AllocList;
/// Semicolon-separated list of fully qualified names of memory reallocation
/// functions the check warns about. Defaults to `::realloc`.
const StringRef ReallocList;
/// Semicolon-separated list of fully qualified names of memory deallocation
/// functions the check warns about. Defaults to `::free`.
const StringRef DeallocList;
};
} // namespace clang::tidy::cppcoreguidelines
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_NO_MALLOC_H
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