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local core = require 'core'
local parser = require 'parser'
local function posToRange(lines, start, finish)
local start_row, start_col = lines:rowcol(start)
local finish_row, finish_col = lines:rowcol(finish)
return {
start = {
line = start_row - 1,
character = start_col - 1,
},
['end'] = {
line = finish_row - 1,
character = finish_col,
},
}
end
local function findStartPos(pos, buf)
for i = pos-1, 1, -1 do
local c = buf:sub(i, i)
if c:find '%a' then
goto CONTINUE
end
if c == '.' then
return nil
end
do return i + 1 end
::CONTINUE::
end
return pos
end
return function (lsp, params)
local uri = params.textDocument.uri
local vm, lines, buf = lsp:getVM(uri)
if not vm then
vm, lines, buf = lsp:loadVM(uri)
if not vm then
return nil
end
end
-- lua是从1开始的，因此都要+1
local position = lines:position(params.position.line + 1, params.position.character + 1)
local startPos = findStartPos(position, buf)
if not startPos then
vm, lines, buf = lsp:loadVM(uri)
if not vm then
return nil
end
end
local items = core.completion(vm, startPos or position, buf)
if not items or #items == 0 then
vm, lines, buf = lsp:loadVM(uri)
if not vm then
return nil
end
position = lines:position(params.position.line + 1, params.position.character + 1)
startPos = findStartPos(position, buf)
items = core.completion(vm, startPos or position, buf)
if not items or #items == 0 then
return nil
end
end
for i, item in ipairs(items) do
item.sortText = ('%04d'):format(i)
if item.textEdit then
item.textEdit.range = posToRange(lines, item.textEdit.start, item.textEdit.finish)
item.textEdit.start = nil
item.textEdit.finish = nil
end
end
local response = {
isIncomplete = false,
items = items,
}
return response
end
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