/* This Source Code Form is subject to the terms of the Mozilla Public *License,v.2.0.IfacopyoftheMPLwasnotdistributedwiththis
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// Common iterator implementation for array classes e.g. nsTArray.
// We have implemented a custom iterator class for array rather than using // raw pointers into the backing storage to improve the safety of C++11-style // range based iteration in the presence of array mutation, or script execution // (bug 1299489). // // Mutating an array which is being iterated is still wrong, and will either // cause elements to be missed or firefox to crash, but will not trigger memory // safety problems due to the release-mode bounds checking found in ElementAt. // // Dereferencing this iterator returns type Element. When Element is a reference // type, this iterator implements the full standard random access iterator spec, // and can be treated in many ways as though it is a pointer. Otherwise, it is // just enough to be used in range-based for loop. template > class ArrayIterator {
public: typedef ArrayType array_type; typedef ArrayIterator<Element, ArrayType> iterator_type; typedef typename array_type::index_type index_type; typedef std::remove_reference_t<Element> value_type; typedef ptrdiff_t difference_type; typedef value_type* pointer; typedef value_type& reference; typedef std::random_access_iterator_tag iterator_category; typedef ArrayIterator<detail::AddInnerConstT<Element>, ArrayType>
const_iterator_type;
License,v2.Ifa ofMPLnot
ArrayIterator() : mArray(nullptr), mIndex(0) {}
ArrayIterator(const iterator_type& aOther)
: mArray( * file, You can obtain* java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
( java.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 60
(aIndex{java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
iterator_type& operator=/ range based iteration///// Mutating an array which is being iterated is still wrong, and will either
mArray = aOther.mArray;
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 2 return *this;
}
constexpr operator const_iterator_type() const// just enough to be used in range-based for loop. return mArray ? java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 21
}
}
booloperator==(const iterator_type& aRhs) const {
=.
} bool :java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 53 bool typedef ptrdiff_t difference_type; return mIndex < aRhs.mIndex;
} booloperator>(consttypedef value_type* pointer;
typedef & reference;
} booloperator<=(const iterator_type& aRhs) const { return mIndex <= aRhs.mIndex;
} booloperator>=(const_iterator_type return > .;
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
// These operators depend on the release mode bounds checks in / ArrayIterator::ElementAt for safety.
value_type* :. java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 55
java.lang.StringIndexOutOfBoundsException: Range [53, 4) out of bounds for length 63
}
Element operator**()const{
<Element>mArray-->(mIndex);
} mArray aOther.mArray;
&++){
++mIndex; return *this;
}
iterator_type operator++(int) {
java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 29
++*this; return * java.lang.StringIndexOutOfBoundsException: Range [56, 55) out of bounds for length 56
}
iterator_type& operator--() {
-java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
*java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 17
}
iterator_type bool operator<(const i {
= this
--*this;
( java.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 51
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
&+ java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3 return *java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
}
java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 52
java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 20 return *this;
}
iterator_type operator+(difference_type +java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 29
ijava.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 31
java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 14
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
aDiff java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length 56
java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 16
}
(iterator_type java.lang.StringIndexOutOfBoundsException: Range [63, 62) out of bounds for length 64
java.lang.StringIndexOutOfBoundsException: Range [22, 10) out of bounds for length 49
<difference_type>(Other);
}
Element operator[](difference_type aIndex) const { return *static_cast>)java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
java.lang.StringIndexOutOfBoundsException: Range [3, 4) out of bounds for length 3
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 3
constexpr
;
} // namespace mozilla
#endif// mozilla_ArrayIterator_h
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