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local core = require 'core'
local function checkWorkSpaceComplete(lsp, source)
if not source:bindValue() then
return
end
if not source:bindValue():get 'cross file' then
return
end
lsp:checkWorkSpaceComplete()
end
local function findResult(lsp, params)
local uri = params.textDocument.uri
local vm, lines = lsp:loadVM(uri)
if not vm then
return nil
end
-- lua是从1开始的，因此都要+1
local position = lines:positionAsChar(params.position.line + 1, params.position.character)
local source = core.findSource(vm, position)
if not source then
return nil
end
checkWorkSpaceComplete(lsp, source)
local positions = core.implementation(vm, source, lsp)
if not positions then
return nil
end
local locations = {}
for i, position in ipairs(positions) do
local start, finish, valueUri = position[1], position[2], (position[3] or uri)
local _, valueLines = lsp:loadVM(valueUri)
if valueLines then
local start_row, start_col = valueLines:rowcol(start)
local finish_row, finish_col = valueLines:rowcol(finish)
locations[#locations+1] = {
uri = valueUri,
range = {
start = {
line = start_row - 1,
character = start_col - 1,
},
['end'] = {
line = finish_row - 1,
-- 这里不用-1，因为前端期待的是匹配完成后的位置
character = finish_col,
},
}
}
else
locations[#locations+1] = {
uri = valueUri,
range = {
start = {
line = 0,
character = 0,
},
['end'] = {
line = 0,
character = 0,
},
}
}
end
end
if #locations == 0 then
return nil
end
return locations
end
local LastTask
return function (lsp, params)
if LastTask then
LastTask:remove()
LastTask = nil
end
local result = findResult(lsp, params)
if result then
return result
end
return function (response)
LastTask = ac.loop(0.1, function ()
local result = findResult(lsp, params)
if result then
LastTask:remove()
LastTask = nil
response(result)
return
end
if lsp:isWaitingCompile() then
return
end
LastTask:remove()
LastTask = nil
response(nil)
end)
end
end
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