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local vm = require 'vm.vm'
local guide = require 'parser.guide'
local function getClass(source, classes, deep)
if deep > 3 then
return
end
local value = guide.getObjectValue(source) or source
vm.eachField(value, function (src)
local key = vm.getKeyName(src)
if not key then
return
end
local lkey = key:lower()
if lkey == 's|type'
or lkey == 's|__name'
or lkey == 's|name'
or lkey == 's|class' then
local value = guide.getObjectValue(src)
if value and value.type == 'string' then
classes[#classes+1] = value[1]
end
end
end)
if #classes ~= 0 then
return
end
vm.eachMeta(source, function (mt)
getClass(mt, classes, deep + 1)
end)
end
function vm.getClass(source)
local classes = {}
getClass(source, classes, 1)
if #classes == 0 then
return nil
end
return guide.mergeTypes(classes)
end
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