dont intern SharedStrings but StringDataPtr

This commit is contained in:
Maxime Coste 2016-02-05 00:20:45 +00:00
parent a8eddd03f0
commit ff6eacffa3
4 changed files with 19 additions and 19 deletions

View File

@ -199,9 +199,9 @@ struct Buffer::Modification
Type type;
ByteCoord coord;
SharedString content;
StringDataPtr content;
Modification(Type type, ByteCoord coord, SharedString content)
Modification(Type type, ByteCoord coord, StringDataPtr content)
: type(type), coord(coord), content(std::move(content)) {}
Modification inverse() const
@ -248,7 +248,7 @@ void Buffer::reload(StringView data, timespec fs_timestamp)
for (LineCount line = 0; line < d.len; ++line)
m_current_undo_group.emplace_back(
Modification::Insert, cur_line + line,
SharedString{parsed_lines.lines[(int)(d.posB + line)]});
parsed_lines.lines[(int)(d.posB + line)]);
m_changes.push_back({ Change::Insert, it == m_lines.end(), cur_line, cur_line + d.len });
m_lines.insert(it, &parsed_lines.lines[d.posB], &parsed_lines.lines[d.posB + d.len]);
@ -261,7 +261,7 @@ void Buffer::reload(StringView data, timespec fs_timestamp)
for (LineCount line = d.len-1; line >= 0; --line)
m_current_undo_group.emplace_back(
Modification::Erase, cur_line + line,
SharedString{m_lines.get_storage(cur_line + line)});
m_lines.get_storage(cur_line + line));
it = m_lines.erase(it, it + d.len);
m_changes.push_back({ Change::Erase, it == m_lines.end(), cur_line, cur_line + d.len });
@ -433,7 +433,7 @@ ByteCoord Buffer::do_erase(ByteCoord begin, ByteCoord end)
void Buffer::apply_modification(const Modification& modification)
{
StringView content = modification.content;
StringView content = modification.content->strview();
ByteCoord coord = modification.coord;
kak_assert(is_valid(coord));
@ -467,7 +467,7 @@ BufferIterator Buffer::insert(const BufferIterator& pos, StringView content)
if (content.empty())
return pos;
SharedString real_content;
StringDataPtr real_content;
if (pos == end() and content.back() != '\n')
real_content = intern(content + "\n");
else
@ -478,7 +478,7 @@ BufferIterator Buffer::insert(const BufferIterator& pos, StringView content)
auto coord = pos == end() ? ByteCoord{line_count()} : pos.coord();
if (not (m_flags & Flags::NoUndo))
m_current_undo_group.emplace_back(Modification::Insert, coord, real_content);
return {*this, do_insert(pos.coord(), real_content)};
return {*this, do_insert(pos.coord(), real_content->strview())};
}
BufferIterator Buffer::erase(BufferIterator begin, BufferIterator end)

View File

@ -4,22 +4,22 @@
namespace Kakoune
{
SharedString StringRegistry::intern(StringView str)
StringDataPtr StringRegistry::intern(StringView str)
{
auto it = m_strings.find({str, SharedString::NoCopy{}});
auto it = m_strings.find(str);
if (it == m_strings.end())
{
SharedString shared_str = str;
it = m_strings.emplace(shared_str).first;
auto data = StringData::create(str);
it = m_strings.emplace(data->strview(), data).first;
}
return *it;
return it->second;
}
void StringRegistry::purge_unused()
{
for (auto it = m_strings.begin(); it != m_strings.end(); )
{
if (it->m_storage->refcount == 1)
if (it->second->refcount == 1)
it = m_strings.erase(it);
else
++it;
@ -34,8 +34,8 @@ void StringRegistry::debug_stats() const
size_t count = m_strings.size();
for (auto& st : m_strings)
{
total_refcount += st.m_storage->refcount - 1;
total_size += (int)st.m_storage->length;
total_refcount += st.second->refcount - 1;
total_size += (int)st.second->length;
}
write_to_debug_buffer(format(" data size: {}, mean: {}", total_size, (float)total_size/count));
write_to_debug_buffer(format(" refcounts: {}, mean: {}", total_refcount, (float)total_refcount/count));

View File

@ -102,14 +102,14 @@ class StringRegistry : public Singleton<StringRegistry>
{
public:
void debug_stats() const;
SharedString intern(StringView str);
StringDataPtr intern(StringView str);
void purge_unused();
private:
UnorderedSet<SharedString, MemoryDomain::SharedString> m_strings;
UnorderedMap<StringView, StringDataPtr, MemoryDomain::SharedString> m_strings;
};
inline SharedString intern(StringView str)
inline StringDataPtr intern(StringView str)
{
return StringRegistry::instance().intern(str);
}

View File

@ -67,7 +67,7 @@ void WordDB::add_words(const SharedString& line)
{
for (auto& w : get_words(line))
{
WordDB::WordInfo& info = m_words[intern(w)];
WordDB::WordInfo& info = m_words[SharedString{intern(w)}];
++info.refcount;
if (info.letters.none())
info.letters = used_letters(w);