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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* 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 wasm_utility_h
#define wasm_utility_h
#include <algorithm>
namespace js {
namespace wasm {
template <class Container1, class Container2>
static inline bool EqualContainers(const Container1& lhs,
const Container2& rhs) {
return std::equal(lhs.begin(), lhs.end(), rhs.begin(), rhs.end());
}
// To call Vector::shrinkStorageToFit , a type must specialize mozilla::IsPod
// which is pretty verbose to do within js::wasm, so factor that process out
// into a macro.
#define WASM_DECLARE_POD_VECTOR(Type, VectorName) \
} \
} \
namespace mozilla { \
template <> \
struct IsPod<js::wasm::Type> : std::true_type {}; \
} \
namespace js { \
namespace wasm { \
typedef Vector<Type, 0, SystemAllocPolicy> VectorName;
using mozilla::MallocSizeOf;
template <class T>
static inline size_t SizeOfVectorElementExcludingThis(
const T& elem, MallocSizeOf mallocSizeOf) {
return elem.sizeOfExcludingThis(mallocSizeOf);
}
template <class T>
static inline size_t SizeOfVectorElementExcludingThis(
const RefPtr<T>& elem, MallocSizeOf mallocSizeOf) {
return elem->sizeOfExcludingThis(mallocSizeOf);
}
template <class T, size_t N>
static inline size_t SizeOfVectorExcludingThis(
const mozilla::Vector<T, N, SystemAllocPolicy>& vec,
MallocSizeOf mallocSizeOf) {
size_t size = vec.sizeOfExcludingThis(mallocSizeOf);
for (const T& t : vec) {
size += SizeOfVectorElementExcludingThis(t, mallocSizeOf);
}
return size;
}
template <class T>
static inline size_t SizeOfMaybeExcludingThis(const mozilla::Maybe<T>& maybe,
MallocSizeOf mallocSizeOf) {
return maybe ? maybe->sizeOfExcludingThis(mallocSizeOf) : 0;
}
} // namespace wasm
} // namespace js
#endif // wasm_utility_h