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8328862: Remove unused GrowableArrayFilterIterator

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Reviewed-by: dholmes
This commit is contained in:
Kim Barrett 2024-03-25 07:07:47 +00:00
parent 9f920b9bbf
commit acc4a82818
1 changed files with 1 additions and 53 deletions
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54
src/hotspot/share/utilities/growableArray.hpp
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@ -1,5 +1,5 @@
/* /*
* Copyright (c) 1997, 2023, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 1997, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -102,7 +102,6 @@ public:
}; };
template <typename E> class GrowableArrayIterator; template <typename E> class GrowableArrayIterator;
template <typename E, typename UnaryPredicate> class GrowableArrayFilterIterator;
// Extends GrowableArrayBase with a typed data array. // Extends GrowableArrayBase with a typed data array.
// //
@ -841,7 +840,6 @@ public:
template <typename E> template <typename E>
class GrowableArrayIterator : public StackObj { class GrowableArrayIterator : public StackObj {
friend class GrowableArrayView<E>; friend class GrowableArrayView<E>;
template <typename F, typename UnaryPredicate> friend class GrowableArrayFilterIterator;
private: private:
const GrowableArrayView<E>* _array; // GrowableArray we iterate over const GrowableArrayView<E>* _array; // GrowableArray we iterate over
@ -868,56 +866,6 @@ class GrowableArrayIterator : public StackObj {
} }
}; };
// Custom STL-style iterator to iterate over elements of a GrowableArray that satisfy a given predicate
template <typename E, class UnaryPredicate>
class GrowableArrayFilterIterator : public StackObj {
friend class GrowableArrayView<E>;
private:
const GrowableArrayView<E>* _array; // GrowableArray we iterate over
int _position; // Current position in the GrowableArray
UnaryPredicate _predicate; // Unary predicate the elements of the GrowableArray should satisfy
public:
GrowableArrayFilterIterator(const GrowableArrayIterator<E>& begin, UnaryPredicate filter_predicate) :
_array(begin._array), _position(begin._position), _predicate(filter_predicate) {
// Advance to first element satisfying the predicate
while(_position != _array->length() && !_predicate(_array->at(_position))) {
++_position;
}
}
GrowableArrayFilterIterator<E, UnaryPredicate>& operator++() {
do {
// Advance to next element satisfying the predicate
++_position;
} while(_position != _array->length() && !_predicate(_array->at(_position)));
return *this;
}
E operator*() { return _array->at(_position); }
bool operator==(const GrowableArrayIterator<E>& rhs) {
assert(_array == rhs._array, "iterator belongs to different array");
return _position == rhs._position;
}
bool operator!=(const GrowableArrayIterator<E>& rhs) {
assert(_array == rhs._array, "iterator belongs to different array");
return _position != rhs._position;
}
bool operator==(const GrowableArrayFilterIterator<E, UnaryPredicate>& rhs) {
assert(_array == rhs._array, "iterator belongs to different array");
return _position == rhs._position;
}
bool operator!=(const GrowableArrayFilterIterator<E, UnaryPredicate>& rhs) {
assert(_array == rhs._array, "iterator belongs to different array");
return _position != rhs._position;
}
};
// Arrays for basic types // Arrays for basic types
typedef GrowableArray<int> intArray; typedef GrowableArray<int> intArray;
typedef GrowableArray<int> intStack; typedef GrowableArray<int> intStack;