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Use wpi::span instead of wpi::ArrayRef across all libraries (#3414)

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- Remove ArrayRef.h
- Add SpanExtras.h for a couple of convenience functions
This commit is contained in:
Peter Johnson
2021-06-06 19:51:14 -07:00
committed by GitHub
parent 2abbbd9e70
commit 64f5413253
167 changed files with 974 additions and 1433 deletions
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22
wpiutil/src/main/native/include/wpi/DenseMapInfo.h
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@@ -14,9 +14,9 @@
#ifndef WPIUTIL_WPI_DENSEMAPINFO_H
#define WPIUTIL_WPI_DENSEMAPINFO_H
#include "wpi/ArrayRef.h"
#include "wpi/Hashing.h"
#include "wpi/PointerLikeTypeTraits.h"
#include "wpi/span.h"
#include <cassert>
#include <cstddef>
#include <cstdint>
@@ -234,26 +234,26 @@ template <> struct DenseMapInfo<std::string_view> {
}
};
// Provide DenseMapInfo for ArrayRefs.
template <typename T> struct DenseMapInfo<ArrayRef<T>> {
static inline ArrayRef<T> getEmptyKey() {
return ArrayRef<T>(reinterpret_cast<const T *>(~static_cast<uintptr_t>(0)),
size_t(0));
// Provide DenseMapInfo for spans.
template <typename T> struct DenseMapInfo<span<T>> {
static inline span<T> getEmptyKey() {
return span<T>(reinterpret_cast<const T *>(~static_cast<uintptr_t>(0)),
size_t(0));
}
static inline ArrayRef<T> getTombstoneKey() {
return ArrayRef<T>(reinterpret_cast<const T *>(~static_cast<uintptr_t>(1)),
size_t(0));
static inline span<T> getTombstoneKey() {
return span<T>(reinterpret_cast<const T *>(~static_cast<uintptr_t>(1)),
size_t(0));
}
static unsigned getHashValue(ArrayRef<T> Val) {
static unsigned getHashValue(span<T> Val) {
assert(Val.data() != getEmptyKey().data() && "Cannot hash the empty key!");
assert(Val.data() != getTombstoneKey().data() &&
"Cannot hash the tombstone key!");
return (unsigned)(hash_value(Val));
}
static bool isEqual(ArrayRef<T> LHS, ArrayRef<T> RHS) {
static bool isEqual(span<T> LHS, span<T> RHS) {
if (RHS.data() == getEmptyKey().data())
return LHS.data() == getEmptyKey().data();
if (RHS.data() == getTombstoneKey().data())