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Start fixing up AK to work inside the kernel.

This commit is contained in:
Andreas Kling 2018-10-16 13:59:28 +02:00
parent 1203c327c7
commit 5d465582a3
10 changed files with 68 additions and 47 deletions

View file

@ -13,24 +13,24 @@ template<typename T>
class VectorImpl {
public:
~VectorImpl() { }
static OwnPtr<VectorImpl> create(unsigned capacity)
static OwnPtr<VectorImpl> create(size_t capacity)
{
size_t size = sizeof(VectorImpl) + sizeof(T) * capacity;
void* slot = kmalloc(size);
return OwnPtr<VectorImpl>(new (slot) VectorImpl(capacity));
}
unsigned size() const { return m_size; }
unsigned capacity() const { return m_capacity; }
size_t size() const { return m_size; }
size_t capacity() const { return m_capacity; }
T& at(unsigned i) { return *slot(i); }
const T& at(unsigned i) const { return *slot(i); }
T& at(size_t i) { return *slot(i); }
const T& at(size_t i) const { return *slot(i); }
void remove(unsigned index)
void remove(size_t index)
{
ASSERT(index < m_size);
at(index).~T();
for (unsigned i = index + 1; i < m_size; ++i) {
for (size_t i = index + 1; i < m_size; ++i) {
new (slot(i - 1)) T(move(at(i)));
at(i).~T();
}
@ -41,16 +41,16 @@ public:
private:
friend class Vector<T>;
VectorImpl(unsigned capacity) : m_capacity(capacity) { }
VectorImpl(size_t capacity) : m_capacity(capacity) { }
T* tail() { return reinterpret_cast<T*>(this + 1); }
T* slot(unsigned i) { return &tail()[i]; }
T* slot(size_t i) { return &tail()[i]; }
const T* tail() const { return reinterpret_cast<const T*>(this + 1); }
const T* slot(unsigned i) const { return &tail()[i]; }
const T* slot(size_t i) const { return &tail()[i]; }
unsigned m_size { 0 };
unsigned m_capacity;
size_t m_size { 0 };
size_t m_capacity;
};
template<typename T>
@ -73,21 +73,21 @@ public:
void clear()
{
for (unsigned i = 0; i < size(); ++i) {
for (size_t i = 0; i < size(); ++i) {
at(i).~T();
}
m_impl = nullptr;
}
bool isEmpty() const { return size() == 0; }
unsigned size() const { return m_impl ? m_impl->size() : 0; }
unsigned capacity() const { return m_impl ? m_impl->capacity() : 0; }
size_t size() const { return m_impl ? m_impl->size() : 0; }
size_t capacity() const { return m_impl ? m_impl->capacity() : 0; }
const T& at(unsigned i) const { return m_impl->at(i); }
T& at(unsigned i) { return m_impl->at(i); }
const T& at(size_t i) const { return m_impl->at(i); }
T& at(size_t i) { return m_impl->at(i); }
const T& operator[](unsigned i) const { return at(i); }
T& operator[](unsigned i) { return at(i); }
const T& operator[](size_t i) const { return at(i); }
T& operator[](size_t i) { return at(i); }
const T& first() const { return at(0); }
T& first() { return at(0); }
@ -104,7 +104,7 @@ public:
return value;
}
void remove(unsigned index)
void remove(size_t index)
{
m_impl->remove(index);
}
@ -123,7 +123,7 @@ public:
++m_impl->m_size;
}
void ensureCapacity(unsigned neededCapacity)
void ensureCapacity(size_t neededCapacity)
{
if (capacity() >= neededCapacity)
return;
@ -131,7 +131,7 @@ public:
auto newImpl = VectorImpl<T>::create(newCapacity);
if (m_impl) {
newImpl->m_size = m_impl->m_size;
for (unsigned i = 0; i < size(); ++i) {
for (size_t i = 0; i < size(); ++i) {
new (newImpl->slot(i)) T(move(m_impl->at(i)));
m_impl->at(i).~T();
}
@ -146,9 +146,9 @@ public:
T& operator*() { return m_vector[m_index]; }
private:
friend class Vector;
Iterator(Vector& vector, unsigned index) : m_vector(vector), m_index(index) { }
Iterator(Vector& vector, size_t index) : m_vector(vector), m_index(index) { }
Vector& m_vector;
unsigned m_index { 0 };
size_t m_index { 0 };
};
Iterator begin() { return Iterator(*this, 0); }
@ -161,18 +161,18 @@ public:
const T& operator*() const { return m_vector[m_index]; }
private:
friend class Vector;
ConstIterator(const Vector& vector, const unsigned index) : m_vector(vector), m_index(index) { }
ConstIterator(const Vector& vector, const size_t index) : m_vector(vector), m_index(index) { }
const Vector& m_vector;
unsigned m_index { 0 };
size_t m_index { 0 };
};
ConstIterator begin() const { return ConstIterator(*this, 0); }
ConstIterator end() const { return ConstIterator(*this, size()); }
private:
static unsigned paddedCapacity(unsigned capacity)
static size_t paddedCapacity(size_t capacity)
{
return max(4u, capacity + (capacity / 4) + 4);
return max(size_t(4), capacity + (capacity / 4) + 4);
}
OwnPtr<VectorImpl<T>> m_impl;