gecko-dev/build/clang-plugin/MemMoveAnnotation.h

52 строки
1.9 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MemMoveAnnotation_h__
#define MemMoveAnnotation_h__
#include "CustomMatchers.h"
#include "CustomTypeAnnotation.h"
#include "Utils.h"
class MemMoveAnnotation final : public CustomTypeAnnotation {
public:
MemMoveAnnotation()
: CustomTypeAnnotation(moz_non_memmovable, "non-memmove()able") {}
virtual ~MemMoveAnnotation() {}
protected:
std::string getImplicitReason(const TagDecl *D) const override {
// Annotate everything in ::std, with a few exceptions; see bug
// 1201314 for discussion.
if (getDeclarationNamespace(D) == "std") {
// This doesn't check that it's really ::std::pair and not
// ::std::something_else::pair, but should be good enough.
StringRef Name = getNameChecked(D);
if (Name == "pair" || Name == "atomic" ||
// libstdc++ specific names
Name == "__atomic_base" || Name == "atomic_bool" ||
Name == "__pair_base" ||
// MSVCRT specific names
Name == "_Atomic_impl" || Name == "_Atomic_base" ||
Name == "_Atomic_bool" || Name == "_Atomic_char" ||
Name == "_Atomic_schar" || Name == "_Atomic_uchar" ||
Name == "_Atomic_char16_t" || Name == "_Atomic_char32_t" ||
Name == "_Atomic_wchar_t" || Name == "_Atomic_short" ||
Name == "_Atomic_ushort" || Name == "_Atomic_int" ||
Name == "_Atomic_uint" || Name == "_Atomic_long" ||
Name == "_Atomic_ulong" || Name == "_Atomic_llong" ||
Name == "_Atomic_ullong" || Name == "_Atomic_address") {
return "";
}
return "it is an stl-provided type not guaranteed to be memmove-able";
}
return "";
}
};
extern MemMoveAnnotation NonMemMovable;
#endif