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More moving towards using signed types.

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I'm still feeling this out, but I am starting to like the general idea.
This commit is contained in:
Andreas Kling 2019-02-25 22:06:55 +01:00
parent beda478821
commit 9624b54703
48 changed files with 234 additions and 250 deletions
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18
AK/StringImpl.cpp
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@ -30,7 +30,7 @@ StringImpl& StringImpl::the_empty_stringimpl()
return *s_the_empty_stringimpl;
}
StringImpl::StringImpl(ConstructWithInlineBufferTag, size_t length)
StringImpl::StringImpl(ConstructWithInlineBufferTag, ssize_t length)
: m_length(length)
, m_characters(m_inline_buffer)
{
@ -50,12 +50,12 @@ StringImpl::~StringImpl()
#endif
}
static inline size_t allocation_size_for_stringimpl(size_t length)
static inline ssize_t allocation_size_for_stringimpl(ssize_t length)
{
return sizeof(StringImpl) + (sizeof(char) * length) + sizeof(char);
}
Retained<StringImpl> StringImpl::create_uninitialized(size_t length, char*& buffer)
Retained<StringImpl> StringImpl::create_uninitialized(ssize_t length, char*& buffer)
{
ASSERT(length);
void* slot = kmalloc(allocation_size_for_stringimpl(length));
@ -66,7 +66,7 @@ Retained<StringImpl> StringImpl::create_uninitialized(size_t length, char*& buff
return new_stringimpl;
}
RetainPtr<StringImpl> StringImpl::create(const char* cstring, size_t length, ShouldChomp shouldChomp)
RetainPtr<StringImpl> StringImpl::create(const char* cstring, ssize_t length, ShouldChomp shouldChomp)
{
if (!cstring)
return nullptr;
@ -123,7 +123,7 @@ static inline char to_ascii_uppercase(char c)
Retained<StringImpl> StringImpl::to_lowercase() const
{
for (size_t i = 0; i < m_length; ++i) {
for (ssize_t i = 0; i < m_length; ++i) {
if (!is_ascii_lowercase(m_characters[i]))
goto slow_path;
}
@ -132,14 +132,14 @@ Retained<StringImpl> StringImpl::to_lowercase() const
slow_path:
char* buffer;
auto lowercased = create_uninitialized(m_length, buffer);
for (size_t i = 0; i < m_length; ++i)
for (ssize_t i = 0; i < m_length; ++i)
buffer[i] = to_ascii_lowercase(m_characters[i]);
return lowercased;
}
Retained<StringImpl> StringImpl::to_uppercase() const
{
for (size_t i = 0; i < m_length; ++i) {
for (ssize_t i = 0; i < m_length; ++i) {
if (!is_ascii_uppercase(m_characters[i]))
goto slow_path;
}
@ -148,7 +148,7 @@ Retained<StringImpl> StringImpl::to_uppercase() const
slow_path:
char* buffer;
auto uppercased = create_uninitialized(m_length, buffer);
for (size_t i = 0; i < m_length; ++i)
for (ssize_t i = 0; i < m_length; ++i)
buffer[i] = to_ascii_uppercase(m_characters[i]);
return uppercased;
}
@ -159,7 +159,7 @@ void StringImpl::compute_hash() const
m_hash = 0;
} else {
unsigned hash = 0;
for (size_t i = 0; i < m_length; ++i) {
for (ssize_t i = 0; i < m_length; ++i) {
hash += m_characters[i];
hash += (hash << 10);
hash ^= (hash >> 6);