forked from OSchip/llvm-project
57 lines
2.4 KiB
C++
57 lines
2.4 KiB
C++
//===--- ThrowByValueCatchByReferenceCheck.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_MISC_THROW_BY_VALUE_CATCH_BY_REFERENCE_H
|
|
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_THROW_BY_VALUE_CATCH_BY_REFERENCE_H
|
|
|
|
#include "../ClangTidyCheck.h"
|
|
|
|
namespace clang {
|
|
namespace tidy {
|
|
namespace misc {
|
|
|
|
///checks for locations that do not throw by value
|
|
// or catch by reference.
|
|
// The check is C++ only. It checks that all throw locations
|
|
// throw by value and not by pointer. Additionally it
|
|
// contains an option ("CheckThrowTemporaries", default value "true") that
|
|
// checks that thrown objects are anonymous temporaries. It is also
|
|
// acceptable for this check to throw string literals.
|
|
// This test checks that exceptions are caught by reference
|
|
// and not by value or pointer. It will not warn when catching
|
|
// pointer to char, wchar_t, char16_t or char32_t. This is
|
|
// due to not warning on throwing string literals.
|
|
class ThrowByValueCatchByReferenceCheck : public ClangTidyCheck {
|
|
public:
|
|
ThrowByValueCatchByReferenceCheck(StringRef Name, ClangTidyContext *Context);
|
|
bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
|
|
return LangOpts.CPlusPlus;
|
|
}
|
|
void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
|
|
void registerMatchers(ast_matchers::MatchFinder *Finder) override;
|
|
void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
|
|
|
|
private:
|
|
void diagnoseThrowLocations(const CXXThrowExpr *throwExpr);
|
|
void diagnoseCatchLocations(const CXXCatchStmt *catchStmt,
|
|
ASTContext &context);
|
|
bool isFunctionParameter(const DeclRefExpr *declRefExpr);
|
|
bool isCatchVariable(const DeclRefExpr *declRefExpr);
|
|
bool isFunctionOrCatchVar(const DeclRefExpr *declRefExpr);
|
|
const bool CheckAnonymousTemporaries;
|
|
const bool WarnOnLargeObject;
|
|
const uint64_t MaxSizeOptions; // The raw value read from the options.
|
|
uint64_t MaxSize; // No `const` because we have to set it in two steps.
|
|
};
|
|
|
|
} // namespace misc
|
|
} // namespace tidy
|
|
} // namespace clang
|
|
|
|
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_THROW_BY_VALUE_CATCH_BY_REFERENCE_H
|