Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 766 insertions, 0 deletions

diff --git a/third_party/rust/hashlink/src/linked_hash_set.rs b/third_party/rust/hashlink/src/linked_hash_set.rs
new file mode 100644
index 0000000000..5a89875d47
--- /dev/null
+++ b/third_party/rust/hashlink/src/linked_hash_set.rs
@@ -0,0 +1,766 @@
+use std::{
+    borrow::Borrow,
+    fmt,
+    hash::{BuildHasher, Hash, Hasher},
+    iter::{Chain, FromIterator},
+    ops::{BitAnd, BitOr, BitXor, Sub},
+};
+
+use hashbrown::hash_map::DefaultHashBuilder;
+
+use crate::linked_hash_map::{self, LinkedHashMap, TryReserveError};
+
+pub struct LinkedHashSet<T, S = DefaultHashBuilder> {
+    map: LinkedHashMap<T, (), S>,
+}
+
+impl<T: Hash + Eq> LinkedHashSet<T, DefaultHashBuilder> {
+    #[inline]
+    pub fn new() -> LinkedHashSet<T, DefaultHashBuilder> {
+        LinkedHashSet {
+            map: LinkedHashMap::new(),
+        }
+    }
+
+    #[inline]
+    pub fn with_capacity(capacity: usize) -> LinkedHashSet<T, DefaultHashBuilder> {
+        LinkedHashSet {
+            map: LinkedHashMap::with_capacity(capacity),
+        }
+    }
+}
+
+impl<T, S> LinkedHashSet<T, S> {
+    #[inline]
+    pub fn capacity(&self) -> usize {
+        self.map.capacity()
+    }
+
+    #[inline]
+    pub fn iter(&self) -> Iter<'_, T> {
+        Iter {
+            iter: self.map.keys(),
+        }
+    }
+
+    #[inline]
+    pub fn len(&self) -> usize {
+        self.map.len()
+    }
+
+    #[inline]
+    pub fn is_empty(&self) -> bool {
+        self.map.is_empty()
+    }
+
+    #[inline]
+    pub fn drain(&mut self) -> Drain<T> {
+        Drain {
+            iter: self.map.drain(),
+        }
+    }
+
+    #[inline]
+    pub fn clear(&mut self) {
+        self.map.clear()
+    }
+
+    #[inline]
+    pub fn retain<F>(&mut self, mut f: F)
+    where
+        F: FnMut(&T) -> bool,
+    {
+        self.map.retain(|k, _| f(k));
+    }
+}
+
+impl<T, S> LinkedHashSet<T, S>
+where
+    T: Eq + Hash,
+    S: BuildHasher,
+{
+    #[inline]
+    pub fn with_hasher(hasher: S) -> LinkedHashSet<T, S> {
+        LinkedHashSet {
+            map: LinkedHashMap::with_hasher(hasher),
+        }
+    }
+
+    #[inline]
+    pub fn with_capacity_and_hasher(capacity: usize, hasher: S) -> LinkedHashSet<T, S> {
+        LinkedHashSet {
+            map: LinkedHashMap::with_capacity_and_hasher(capacity, hasher),
+        }
+    }
+
+    #[inline]
+    pub fn hasher(&self) -> &S {
+        self.map.hasher()
+    }
+
+    #[inline]
+    pub fn reserve(&mut self, additional: usize) {
+        self.map.reserve(additional)
+    }
+
+    #[inline]
+    pub fn try_reserve(&mut self, additional: usize) -> Result<(), TryReserveError> {
+        self.map.try_reserve(additional)
+    }
+
+    #[inline]
+    pub fn shrink_to_fit(&mut self) {
+        self.map.shrink_to_fit()
+    }
+
+    #[inline]
+    pub fn difference<'a>(&'a self, other: &'a LinkedHashSet<T, S>) -> Difference<'a, T, S> {
+        Difference {
+            iter: self.iter(),
+            other,
+        }
+    }
+
+    #[inline]
+    pub fn symmetric_difference<'a>(
+        &'a self,
+        other: &'a LinkedHashSet<T, S>,
+    ) -> SymmetricDifference<'a, T, S> {
+        SymmetricDifference {
+            iter: self.difference(other).chain(other.difference(self)),
+        }
+    }
+
+    #[inline]
+    pub fn intersection<'a>(&'a self, other: &'a LinkedHashSet<T, S>) -> Intersection<'a, T, S> {
+        Intersection {
+            iter: self.iter(),
+            other,
+        }
+    }
+
+    #[inline]
+    pub fn union<'a>(&'a self, other: &'a LinkedHashSet<T, S>) -> Union<'a, T, S> {
+        Union {
+            iter: self.iter().chain(other.difference(self)),
+        }
+    }
+
+    #[inline]
+    pub fn contains<Q: ?Sized>(&self, value: &Q) -> bool
+    where
+        T: Borrow<Q>,
+        Q: Hash + Eq,
+    {
+        self.map.contains_key(value)
+    }
+
+    #[inline]
+    pub fn get<Q: ?Sized>(&self, value: &Q) -> Option<&T>
+    where
+        T: Borrow<Q>,
+        Q: Hash + Eq,
+    {
+        self.map.raw_entry().from_key(value).map(|p| p.0)
+    }
+
+    #[inline]
+    pub fn get_or_insert(&mut self, value: T) -> &T {
+        self.map
+            .raw_entry_mut()
+            .from_key(&value)
+            .or_insert(value, ())
+            .0
+    }
+
+    #[inline]
+    pub fn get_or_insert_with<Q: ?Sized, F>(&mut self, value: &Q, f: F) -> &T
+    where
+        T: Borrow<Q>,
+        Q: Hash + Eq,
+        F: FnOnce(&Q) -> T,
+    {
+        self.map
+            .raw_entry_mut()
+            .from_key(value)
+            .or_insert_with(|| (f(value), ()))
+            .0
+    }
+
+    #[inline]
+    pub fn is_disjoint(&self, other: &LinkedHashSet<T, S>) -> bool {
+        self.iter().all(|v| !other.contains(v))
+    }
+
+    #[inline]
+    pub fn is_subset(&self, other: &LinkedHashSet<T, S>) -> bool {
+        self.iter().all(|v| other.contains(v))
+    }
+
+    #[inline]
+    pub fn is_superset(&self, other: &LinkedHashSet<T, S>) -> bool {
+        other.is_subset(self)
+    }
+
+    /// Inserts the given value into the set.
+    ///
+    /// If the set did not have this value present, inserts it at the *back* of the internal linked
+    /// list and returns true, otherwise it moves the existing value to the *back* of the internal
+    /// linked list and returns false.
+    #[inline]
+    pub fn insert(&mut self, value: T) -> bool {
+        self.map.insert(value, ()).is_none()
+    }
+
+    /// Adds the given value to the set, replacing the existing value.
+    ///
+    /// If a previous value existed, returns the replaced value.  In this case, the value's position
+    /// in the internal linked list is *not* changed.
+    #[inline]
+    pub fn replace(&mut self, value: T) -> Option<T> {
+        match self.map.entry(value) {
+            linked_hash_map::Entry::Occupied(occupied) => Some(occupied.replace_key()),
+            linked_hash_map::Entry::Vacant(vacant) => {
+                vacant.insert(());
+                None
+            }
+        }
+    }
+
+    #[inline]
+    pub fn remove<Q: ?Sized>(&mut self, value: &Q) -> bool
+    where
+        T: Borrow<Q>,
+        Q: Hash + Eq,
+    {
+        self.map.remove(value).is_some()
+    }
+
+    #[inline]
+    pub fn take<Q: ?Sized>(&mut self, value: &Q) -> Option<T>
+    where
+        T: Borrow<Q>,
+        Q: Hash + Eq,
+    {
+        match self.map.raw_entry_mut().from_key(value) {
+            linked_hash_map::RawEntryMut::Occupied(occupied) => Some(occupied.remove_entry().0),
+            linked_hash_map::RawEntryMut::Vacant(_) => None,
+        }
+    }
+
+    #[inline]
+    pub fn front(&self) -> Option<&T> {
+        self.map.front().map(|(k, _)| k)
+    }
+
+    #[inline]
+    pub fn pop_front(&mut self) -> Option<T> {
+        self.map.pop_front().map(|(k, _)| k)
+    }
+
+    #[inline]
+    pub fn back(&self) -> Option<&T> {
+        self.map.back().map(|(k, _)| k)
+    }
+
+    #[inline]
+    pub fn pop_back(&mut self) -> Option<T> {
+        self.map.pop_back().map(|(k, _)| k)
+    }
+
+    #[inline]
+    pub fn to_front<Q: ?Sized>(&mut self, value: &Q) -> bool
+    where
+        T: Borrow<Q>,
+        Q: Hash + Eq,
+    {
+        match self.map.raw_entry_mut().from_key(value) {
+            linked_hash_map::RawEntryMut::Occupied(mut occupied) => {
+                occupied.to_front();
+                true
+            }
+            linked_hash_map::RawEntryMut::Vacant(_) => false,
+        }
+    }
+
+    #[inline]
+    pub fn to_back<Q: ?Sized>(&mut self, value: &Q) -> bool
+    where
+        T: Borrow<Q>,
+        Q: Hash + Eq,
+    {
+        match self.map.raw_entry_mut().from_key(value) {
+            linked_hash_map::RawEntryMut::Occupied(mut occupied) => {
+                occupied.to_back();
+                true
+            }
+            linked_hash_map::RawEntryMut::Vacant(_) => false,
+        }
+    }
+
+    #[inline]
+    pub fn retain_with_order<F>(&mut self, mut f: F)
+    where
+        F: FnMut(&T) -> bool,
+    {
+        self.map.retain_with_order(|k, _| f(k));
+    }
+}
+
+impl<T: Hash + Eq + Clone, S: BuildHasher + Clone> Clone for LinkedHashSet<T, S> {
+    #[inline]
+    fn clone(&self) -> Self {
+        let map = self.map.clone();
+        Self { map }
+    }
+}
+
+impl<T, S> PartialEq for LinkedHashSet<T, S>
+where
+    T: Eq + Hash,
+    S: BuildHasher,
+{
+    #[inline]
+    fn eq(&self, other: &Self) -> bool {
+        self.len() == other.len() && self.iter().eq(other)
+    }
+}
+
+impl<T, S> Hash for LinkedHashSet<T, S>
+where
+    T: Eq + Hash,
+    S: BuildHasher,
+{
+    #[inline]
+    fn hash<H: Hasher>(&self, state: &mut H) {
+        for e in self {
+            e.hash(state);
+        }
+    }
+}
+
+impl<T, S> Eq for LinkedHashSet<T, S>
+where
+    T: Eq + Hash,
+    S: BuildHasher,
+{
+}
+
+impl<T, S> fmt::Debug for LinkedHashSet<T, S>
+where
+    T: fmt::Debug,
+{
+    #[inline]
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_set().entries(self.iter()).finish()
+    }
+}
+
+impl<T, S> FromIterator<T> for LinkedHashSet<T, S>
+where
+    T: Eq + Hash,
+    S: BuildHasher + Default,
+{
+    #[inline]
+    fn from_iter<I: IntoIterator<Item = T>>(iter: I) -> LinkedHashSet<T, S> {
+        let mut set = LinkedHashSet::with_hasher(Default::default());
+        set.extend(iter);
+        set
+    }
+}
+
+impl<T, S> Extend<T> for LinkedHashSet<T, S>
+where
+    T: Eq + Hash,
+    S: BuildHasher,
+{
+    #[inline]
+    fn extend<I: IntoIterator<Item = T>>(&mut self, iter: I) {
+        self.map.extend(iter.into_iter().map(|k| (k, ())));
+    }
+}
+
+impl<'a, T, S> Extend<&'a T> for LinkedHashSet<T, S>
+where
+    T: 'a + Eq + Hash + Copy,
+    S: BuildHasher,
+{
+    #[inline]
+    fn extend<I: IntoIterator<Item = &'a T>>(&mut self, iter: I) {
+        self.extend(iter.into_iter().cloned());
+    }
+}
+
+impl<T, S> Default for LinkedHashSet<T, S>
+where
+    S: Default,
+{
+    #[inline]
+    fn default() -> LinkedHashSet<T, S> {
+        LinkedHashSet {
+            map: LinkedHashMap::default(),
+        }
+    }
+}
+
+impl<'a, 'b, T, S> BitOr<&'b LinkedHashSet<T, S>> for &'a LinkedHashSet<T, S>
+where
+    T: Eq + Hash + Clone,
+    S: BuildHasher + Default,
+{
+    type Output = LinkedHashSet<T, S>;
+
+    #[inline]
+    fn bitor(self, rhs: &LinkedHashSet<T, S>) -> LinkedHashSet<T, S> {
+        self.union(rhs).cloned().collect()
+    }
+}
+
+impl<'a, 'b, T, S> BitAnd<&'b LinkedHashSet<T, S>> for &'a LinkedHashSet<T, S>
+where
+    T: Eq + Hash + Clone,
+    S: BuildHasher + Default,
+{
+    type Output = LinkedHashSet<T, S>;
+
+    #[inline]
+    fn bitand(self, rhs: &LinkedHashSet<T, S>) -> LinkedHashSet<T, S> {
+        self.intersection(rhs).cloned().collect()
+    }
+}
+
+impl<'a, 'b, T, S> BitXor<&'b LinkedHashSet<T, S>> for &'a LinkedHashSet<T, S>
+where
+    T: Eq + Hash + Clone,
+    S: BuildHasher + Default,
+{
+    type Output = LinkedHashSet<T, S>;
+
+    #[inline]
+    fn bitxor(self, rhs: &LinkedHashSet<T, S>) -> LinkedHashSet<T, S> {
+        self.symmetric_difference(rhs).cloned().collect()
+    }
+}
+
+impl<'a, 'b, T, S> Sub<&'b LinkedHashSet<T, S>> for &'a LinkedHashSet<T, S>
+where
+    T: Eq + Hash + Clone,
+    S: BuildHasher + Default,
+{
+    type Output = LinkedHashSet<T, S>;
+
+    #[inline]
+    fn sub(self, rhs: &LinkedHashSet<T, S>) -> LinkedHashSet<T, S> {
+        self.difference(rhs).cloned().collect()
+    }
+}
+
+pub struct Iter<'a, K> {
+    iter: linked_hash_map::Keys<'a, K, ()>,
+}
+
+pub struct IntoIter<K> {
+    iter: linked_hash_map::IntoIter<K, ()>,
+}
+
+pub struct Drain<'a, K: 'a> {
+    iter: linked_hash_map::Drain<'a, K, ()>,
+}
+
+pub struct Intersection<'a, T, S> {
+    iter: Iter<'a, T>,
+    other: &'a LinkedHashSet<T, S>,
+}
+
+pub struct Difference<'a, T, S> {
+    iter: Iter<'a, T>,
+    other: &'a LinkedHashSet<T, S>,
+}
+
+pub struct SymmetricDifference<'a, T, S> {
+    iter: Chain<Difference<'a, T, S>, Difference<'a, T, S>>,
+}
+
+pub struct Union<'a, T, S> {
+    iter: Chain<Iter<'a, T>, Difference<'a, T, S>>,
+}
+
+impl<'a, T, S> IntoIterator for &'a LinkedHashSet<T, S> {
+    type Item = &'a T;
+    type IntoIter = Iter<'a, T>;
+
+    #[inline]
+    fn into_iter(self) -> Iter<'a, T> {
+        self.iter()
+    }
+}
+
+impl<T, S> IntoIterator for LinkedHashSet<T, S> {
+    type Item = T;
+    type IntoIter = IntoIter<T>;
+
+    #[inline]
+    fn into_iter(self) -> IntoIter<T> {
+        IntoIter {
+            iter: self.map.into_iter(),
+        }
+    }
+}
+
+impl<'a, K> Clone for Iter<'a, K> {
+    #[inline]
+    fn clone(&self) -> Iter<'a, K> {
+        Iter {
+            iter: self.iter.clone(),
+        }
+    }
+}
+impl<'a, K> Iterator for Iter<'a, K> {
+    type Item = &'a K;
+
+    #[inline]
+    fn next(&mut self) -> Option<&'a K> {
+        self.iter.next()
+    }
+
+    #[inline]
+    fn size_hint(&self) -> (usize, Option<usize>) {
+        self.iter.size_hint()
+    }
+}
+
+impl<'a, K> ExactSizeIterator for Iter<'a, K> {}
+
+impl<'a, T> DoubleEndedIterator for Iter<'a, T> {
+    #[inline]
+    fn next_back(&mut self) -> Option<&'a T> {
+        self.iter.next_back()
+    }
+}
+
+impl<'a, K: fmt::Debug> fmt::Debug for Iter<'a, K> {
+    #[inline]
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_list().entries(self.clone()).finish()
+    }
+}
+
+impl<K> Iterator for IntoIter<K> {
+    type Item = K;
+
+    #[inline]
+    fn next(&mut self) -> Option<K> {
+        self.iter.next().map(|(k, _)| k)
+    }
+
+    #[inline]
+    fn size_hint(&self) -> (usize, Option<usize>) {
+        self.iter.size_hint()
+    }
+}
+
+impl<K> ExactSizeIterator for IntoIter<K> {}
+
+impl<K> DoubleEndedIterator for IntoIter<K> {
+    #[inline]
+    fn next_back(&mut self) -> Option<K> {
+        self.iter.next_back().map(|(k, _)| k)
+    }
+}
+
+impl<'a, K> Iterator for Drain<'a, K> {
+    type Item = K;
+
+    #[inline]
+    fn next(&mut self) -> Option<K> {
+        self.iter.next().map(|(k, _)| k)
+    }
+
+    #[inline]
+    fn size_hint(&self) -> (usize, Option<usize>) {
+        self.iter.size_hint()
+    }
+}
+
+impl<'a, K> DoubleEndedIterator for Drain<'a, K> {
+    #[inline]
+    fn next_back(&mut self) -> Option<K> {
+        self.iter.next_back().map(|(k, _)| k)
+    }
+}
+
+impl<'a, K> ExactSizeIterator for Drain<'a, K> {}
+
+impl<'a, T, S> Clone for Intersection<'a, T, S> {
+    #[inline]
+    fn clone(&self) -> Intersection<'a, T, S> {
+        Intersection {
+            iter: self.iter.clone(),
+            ..*self
+        }
+    }
+}
+
+impl<'a, T, S> Iterator for Intersection<'a, T, S>
+where
+    T: Eq + Hash,
+    S: BuildHasher,
+{
+    type Item = &'a T;
+
+    #[inline]
+    fn next(&mut self) -> Option<&'a T> {
+        loop {
+            match self.iter.next() {
+                None => return None,
+                Some(elt) => {
+                    if self.other.contains(elt) {
+                        return Some(elt);
+                    }
+                }
+            }
+        }
+    }
+
+    #[inline]
+    fn size_hint(&self) -> (usize, Option<usize>) {
+        let (_, upper) = self.iter.size_hint();
+        (0, upper)
+    }
+}
+
+impl<'a, T, S> fmt::Debug for Intersection<'a, T, S>
+where
+    T: fmt::Debug + Eq + Hash,
+    S: BuildHasher,
+{
+    #[inline]
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_list().entries(self.clone()).finish()
+    }
+}
+
+impl<'a, T, S> Clone for Difference<'a, T, S> {
+    #[inline]
+    fn clone(&self) -> Difference<'a, T, S> {
+        Difference {
+            iter: self.iter.clone(),
+            ..*self
+        }
+    }
+}
+
+impl<'a, T, S> Iterator for Difference<'a, T, S>
+where
+    T: Eq + Hash,
+    S: BuildHasher,
+{
+    type Item = &'a T;
+
+    #[inline]
+    fn next(&mut self) -> Option<&'a T> {
+        loop {
+            match self.iter.next() {
+                None => return None,
+                Some(elt) => {
+                    if !self.other.contains(elt) {
+                        return Some(elt);
+                    }
+                }
+            }
+        }
+    }
+
+    #[inline]
+    fn size_hint(&self) -> (usize, Option<usize>) {
+        let (_, upper) = self.iter.size_hint();
+        (0, upper)
+    }
+}
+
+impl<'a, T, S> fmt::Debug for Difference<'a, T, S>
+where
+    T: fmt::Debug + Eq + Hash,
+    S: BuildHasher,
+{
+    #[inline]
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_list().entries(self.clone()).finish()
+    }
+}
+
+impl<'a, T, S> Clone for SymmetricDifference<'a, T, S> {
+    #[inline]
+    fn clone(&self) -> SymmetricDifference<'a, T, S> {
+        SymmetricDifference {
+            iter: self.iter.clone(),
+        }
+    }
+}
+
+impl<'a, T, S> Iterator for SymmetricDifference<'a, T, S>
+where
+    T: Eq + Hash,
+    S: BuildHasher,
+{
+    type Item = &'a T;
+
+    #[inline]
+    fn next(&mut self) -> Option<&'a T> {
+        self.iter.next()
+    }
+
+    #[inline]
+    fn size_hint(&self) -> (usize, Option<usize>) {
+        self.iter.size_hint()
+    }
+}
+
+impl<'a, T, S> fmt::Debug for SymmetricDifference<'a, T, S>
+where
+    T: fmt::Debug + Eq + Hash,
+    S: BuildHasher,
+{
+    #[inline]
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_list().entries(self.clone()).finish()
+    }
+}
+
+impl<'a, T, S> Clone for Union<'a, T, S> {
+    #[inline]
+    fn clone(&self) -> Union<'a, T, S> {
+        Union {
+            iter: self.iter.clone(),
+        }
+    }
+}
+
+impl<'a, T, S> fmt::Debug for Union<'a, T, S>
+where
+    T: fmt::Debug + Eq + Hash,
+    S: BuildHasher,
+{
+    #[inline]
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_list().entries(self.clone()).finish()
+    }
+}
+
+impl<'a, T, S> Iterator for Union<'a, T, S>
+where
+    T: Eq + Hash,
+    S: BuildHasher,
+{
+    type Item = &'a T;
+
+    #[inline]
+    fn next(&mut self) -> Option<&'a T> {
+        self.iter.next()
+    }
+
+    #[inline]
+    fn size_hint(&self) -> (usize, Option<usize>) {
+        self.iter.size_hint()
+    }
+}