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local findSource = require 'core.find_source'
local parser = require 'parser'
local function parseResult(result, source, newName)
local positions = {}
local tp = result.type
if tp == 'local' or tp == 'field' then
local key = source[1]
if result.hide then
return positions
end
if source.index then
if not parser.grammar(newName, 'Exp') then
return positions
end
else
if not parser.grammar(newName, 'Name') then
return positions
end
end
local mark = {}
for _, info in ipairs(result) do
if not mark[info.source] then
mark[info.source] = info
if info.source[1] == key then
positions[#positions+1] = {info.source.start, info.source.finish}
end
end
end
elseif tp == 'label' then
if not parser.grammar(newName, 'Name') then
return positions
end
local label = result.label
for _, info in ipairs(label) do
positions[#positions+1] = {info.source.start, info.source.finish}
end
end
return positions
end
return function (vm, pos, newName)
local result, source = findSource(vm, pos)
if not result then
return nil
end
local positions = parseResult(result, source, newName)
return positions
end
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