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local core = require 'core'
local function findResult(lsp, uri, position)
local vm = lsp:getVM(uri)
local positions, isGlobal = core.definition(vm, position, 'definition')
if not positions then
return nil, isGlobal
end
local locations = {}
for i, position in ipairs(positions) do
local start, finish, valueUri = position[1], position[2], (position[3] or uri)
local vm, 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,
},
}
}
elseif vm then
locations[#locations+1] = {
uri = valueUri,
range = {
start = {
line = 0,
character = 0,
},
['end'] = {
line = 0,
character = 0,
},
}
}
end
end
if #locations == 0 then
return nil, isGlobal
end
return locations, isGlobal
end
local LastTask
return function (lsp, params)
local uri = params.textDocument.uri
local vm, lines = lsp:loadVM(uri)
if not vm then
return nil
end
if LastTask then
LastTask:remove()
LastTask = 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)
return function (response)
local clock = os.clock()
LastTask = ac.loop(0.1, function ()
local result, isGlobal = findResult(lsp, uri, position)
if isGlobal and lsp:isWaitingCompile() and os.clock() - clock < 1 then
return
end
response(result)
LastTask:remove()
LastTask = nil
end)
LastTask:onTimer()
end
end
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