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local files = require 'files'
local lang = require 'language'
local vm = require 'vm'
local guide = require 'parser.guide'
return function (uri, callback)
local state = files.getState(uri)
if not state then
return
end
if not state.ast.docs then
return
end
for _, doc in ipairs(state.ast.docs) do
if doc.type == 'doc.class' then
if not doc.extends then
goto CONTINUE
end
local myName = guide.getKeyName(doc)
local list = { doc }
local mark = {}
for i = 1, 999 do
local current = list[i]
if not current then
goto CONTINUE
end
if current.extends then
for _, extend in ipairs(current.extends) do
local newName = extend[1]
if newName == myName then
callback {
start = doc.start,
finish = doc.finish,
message = lang.script('DIAG_CIRCLE_DOC_CLASS', myName)
}
goto CONTINUE
end
if newName and not mark[newName] then
mark[newName] = true
local docs = vm.getDocSets(uri, newName)
for _, otherDoc in ipairs(docs) do
if otherDoc.type == 'doc.class' then
list[#list+1] = otherDoc
end
end
end
end
end
end
::CONTINUE::
end
end
end
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