diff options
Diffstat (limited to 'runtime/lua/vim/treesitter/query.lua')
| -rw-r--r-- | runtime/lua/vim/treesitter/query.lua | 81 |
1 files changed, 45 insertions, 36 deletions
diff --git a/runtime/lua/vim/treesitter/query.lua b/runtime/lua/vim/treesitter/query.lua index 2b3b9096a6..01fdb708eb 100644 --- a/runtime/lua/vim/treesitter/query.lua +++ b/runtime/lua/vim/treesitter/query.lua @@ -762,16 +762,7 @@ end ---@private ---@param match TSQueryMatch ---@param source integer|string -function Query:match_preds(match, source) - local _, pattern = match:info() - local preds = self.info.patterns[pattern] - - if not preds then - return true - end - - local captures = match:captures() - +function Query:match_preds(preds, pattern, captures, source) for _, pred in pairs(preds) do -- Here we only want to return if a predicate DOES NOT match, and -- continue on the other case. This way unknown predicates will not be considered, @@ -807,17 +798,9 @@ end ---@private ---@param match TSQueryMatch ---@return vim.treesitter.query.TSMetadata metadata -function Query:apply_directives(match, source) +function Query:apply_directives(preds, pattern, captures, source) ---@type vim.treesitter.query.TSMetadata local metadata = {} - local _, pattern = match:info() - local preds = self.info.patterns[pattern] - - if not preds then - return metadata - end - - local captures = match:captures() for _, pred in pairs(preds) do if is_directive(pred[1]) then @@ -902,8 +885,10 @@ function Query:iter_captures(node, source, start, stop) local cursor = vim._create_ts_querycursor(node, self.query, start, stop, { match_limit = 256 }) - local apply_directives = memoize(match_id_hash, self.apply_directives, false) - local match_preds = memoize(match_id_hash, self.match_preds, false) + -- For faster checks that a match is not in the cache. + local highest_cached_match_id = -1 + ---@type table<integer, vim.treesitter.query.TSMetadata> + local match_cache = {} local function iter(end_line) local capture, captured_node, match = cursor:next_capture() @@ -912,16 +897,35 @@ function Query:iter_captures(node, source, start, stop) return end - if not match_preds(self, match, source) then - local match_id = match:info() - cursor:remove_match(match_id) - if end_line and captured_node:range() > end_line then - return nil, captured_node, nil, nil - end - return iter(end_line) -- tail call: try next match + local match_id, pattern = match:info() + + --- @type vim.treesitter.query.TSMetadata + local metadata + if match_id <= highest_cached_match_id then + metadata = match_cache[match_id] end - local metadata = apply_directives(self, match, source) + if not metadata then + local preds = self.info.patterns[pattern] + if preds then + local captures = match:captures() + + if not self:match_preds(preds, pattern, captures, source) then + cursor:remove_match(match_id) + if end_line and captured_node:range() > end_line then + return nil, captured_node, nil, nil + end + return iter(end_line) -- tail call: try next match + end + + metadata = self:apply_directives(preds, pattern, captures, source) + else + metadata = {} + end + + highest_cached_match_id = math.max(highest_cached_match_id, match_id) + match_cache[match_id] = metadata + end return capture, captured_node, metadata, match end @@ -985,16 +989,21 @@ function Query:iter_matches(node, source, start, stop, opts) end local match_id, pattern = match:info() + local preds = self.info.patterns[pattern] + local captures = match:captures() - if not self:match_preds(match, source) then - cursor:remove_match(match_id) - return iter() -- tail call: try next match + --- @type vim.treesitter.query.TSMetadata + local metadata + if preds then + if not self:match_preds(preds, pattern, captures, source) then + cursor:remove_match(match_id) + return iter() -- tail call: try next match + end + metadata = self:apply_directives(preds, pattern, captures, source) + else + metadata = {} end - local metadata = self:apply_directives(match, source) - - local captures = match:captures() - if opts.all == false then -- Convert the match table into the old buggy version for backward -- compatibility. This is slow, but we only do it when the caller explicitly opted into it by |