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local guide = require 'parser.guide'
local function isValidFunctionPos(source, offset)
for i = 1, #source.keyword // 2 do
local start = source.keyword[i * 2 - 1]
local finish = source.keyword[i * 2]
if offset >= start and offset <= finish then
return true
end
end
return false
end
return function (ast, position, accept)
local len = math.huge
local result
guide.eachSourceContain(ast.ast, position, function (source)
if source.type == 'function' then
if not isValidFunctionPos(source, position) then
return
end
end
local start, finish = guide.getStartFinish(source)
if finish - start < len and accept[source.type] then
result = source
len = finish - start
end
end)
return result
end
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