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local types = require('cmp.types')
local cache = require('cmp.utils.cache')
local misc = require('cmp.utils.misc')
local compare = {}
-- offset
compare.offset = function(entry1, entry2)
local diff = entry1:get_offset() - entry2:get_offset()
if diff < 0 then
return true
elseif diff > 0 then
return false
end
end
-- exact
compare.exact = function(entry1, entry2)
if entry1.exact ~= entry2.exact then
return entry1.exact
end
end
-- score
compare.score = function(entry1, entry2)
local diff = entry2.score - entry1.score
if diff < 0 then
return true
elseif diff > 0 then
return false
end
end
-- recently_used
compare.recently_used = setmetatable({
records = {},
add_entry = function(self, e)
self.records[e.completion_item.label] = vim.loop.now()
end,
}, {
__call = function(self, entry1, entry2)
local t1 = self.records[entry1.completion_item.label] or -1
local t2 = self.records[entry2.completion_item.label] or -1
if t1 ~= t2 then
return t1 > t2
end
end,
})
-- kind
compare.kind = function(entry1, entry2)
local kind1 = entry1:get_kind()
kind1 = kind1 == types.lsp.CompletionItemKind.Text and 100 or kind1
local kind2 = entry2:get_kind()
kind2 = kind2 == types.lsp.CompletionItemKind.Text and 100 or kind2
if kind1 ~= kind2 then
if kind1 == types.lsp.CompletionItemKind.Snippet then
return true
end
if kind2 == types.lsp.CompletionItemKind.Snippet then
return false
end
local diff = kind1 - kind2
if diff < 0 then
return true
elseif diff > 0 then
return false
end
end
end
-- sortText
compare.sort_text = function(entry1, entry2)
if misc.safe(entry1.completion_item.sortText) and misc.safe(entry2.completion_item.sortText) then
local diff = vim.stricmp(entry1.completion_item.sortText, entry2.completion_item.sortText)
if diff < 0 then
return true
elseif diff > 0 then
return false
end
end
end
-- length
compare.length = function(entry1, entry2)
local diff = #entry1.completion_item.label - #entry2.completion_item.label
if diff < 0 then
return true
elseif diff > 0 then
return false
end
end
-- order
compare.order = function(entry1, entry2)
local diff = entry1.id - entry2.id
if diff < 0 then
return true
elseif diff > 0 then
return false
end
end
-- locality
compare.locality = setmetatable({
lines_count = 10,
lines_cache = cache.new(),
locality_map = {},
update = function(self)
local config = require('cmp').get_config()
if not vim.tbl_contains(config.sorting.comparators, compare.scopes) then
return
end
local win, buf = vim.api.nvim_get_current_win(), vim.api.nvim_get_current_buf()
local cursor_row = vim.api.nvim_win_get_cursor(win)[1] - 1
local max = vim.api.nvim_buf_line_count(buf)
if self.lines_cache:get('buf') ~= buf then
self.lines_cache:clear()
self.lines_cache:set('buf', buf)
end
self.locality_map = {}
for i = math.max(0, cursor_row - self.lines_count), math.min(max, cursor_row + self.lines_count) do
local is_above = i < cursor_row
local buffer = vim.api.nvim_buf_get_lines(buf, i, i + 1, false)[1] or ''
local locality_map = self.lines_cache:ensure({ 'line', buffer }, function()
local locality_map = {}
local regexp = vim.regex(config.completion.keyword_pattern)
while buffer ~= '' do
local s, e = regexp:match_str(buffer)
if s and e then
local w = string.sub(buffer, s + 1, e)
local d = math.abs(i - cursor_row) - (is_above and 0.1 or 0)
locality_map[w] = math.min(locality_map[w] or math.huge, d)
buffer = string.sub(buffer, e + 1)
else
break
end
end
return locality_map
end)
for w, d in pairs(locality_map) do
self.locality_map[w] = math.min(self.locality_map[w] or d, math.abs(i - cursor_row))
end
end
end,
}, {
__call = function(self, entry1, entry2)
local local1 = self.locality_map[entry1:get_word()]
local local2 = self.locality_map[entry2:get_word()]
if local1 ~= local2 then
if local1 == nil then
return false
end
if local2 == nil then
return true
end
return local1 < local2
end
end,
})
-- scopes
compare.scopes = setmetatable({
scopes_map = {},
update = function(self)
local config = require('cmp').get_config()
if not vim.tbl_contains(config.sorting.comparators, compare.scopes) then
return
end
local ok, locals = pcall(require, 'nvim-treesitter.locals')
if ok then
local win, buf = vim.api.nvim_get_current_win(), vim.api.nvim_get_current_buf()
local cursor_row = vim.api.nvim_win_get_cursor(win)[1] - 1
-- Cursor scope.
local cursor_scope = nil
for _, scope in ipairs(locals.get_scopes(buf)) do
if scope:start() <= cursor_row and cursor_row <= scope:end_() then
if not cursor_scope then
cursor_scope = scope
else
if cursor_scope:start() <= scope:start() and scope:end_() <= cursor_scope:end_() then
cursor_scope = scope
end
end
elseif cursor_scope and cursor_scope:end_() <= scope:start() then
break
end
end
-- Definitions.
local definitions = locals.get_definitions_lookup_table(buf)
-- Narrow definitions.
local depth = 0
for scope in locals.iter_scope_tree(cursor_scope, buf) do
local s, e = scope:start(), scope:end_()
-- Check scope's direct child.
for _, definition in pairs(definitions) do
if s <= definition.node:start() and definition.node:end_() <= e then
if scope:id() == locals.containing_scope(definition.node, buf):id() then
local text = vim.treesitter.query.get_node_text(definition.node, buf) or ''
if not self.scopes_map[text] then
self.scopes_map[text] = depth
end
end
end
end
depth = depth + 1
end
end
end,
}, {
__call = function(self, entry1, entry2)
local local1 = self.scopes_map[entry1:get_word()]
local local2 = self.scopes_map[entry2:get_word()]
if local1 ~= local2 then
if local1 == nil then
return false
end
if local2 == nil then
return true
end
return local1 < local2
end
end,
})
return compare
|
