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local files = require 'files'
local lang = require 'language'
local vm = require 'vm'
return function (uri, callback)
local state = files.getState(uri)
if not state then
return
end
if not state.ast.docs then
return
end
local cache = {}
for _, doc in ipairs(state.ast.docs) do
if doc.type == 'doc.class' then
if not doc.extends then
goto CONTINUE
end
for _, ext in ipairs(doc.extends) do
local name = ext.type == 'doc.extends.name' and ext[1]
if name then
local docs = vm.getDocSets(uri, name)
if cache[name] == nil then
cache[name] = false
for _, otherDoc in ipairs(docs) do
if otherDoc.type == 'doc.class' then
cache[name] = true
break
end
end
end
if not cache[name] then
callback {
start = ext.start,
finish = ext.finish,
related = cache,
message = lang.script('DIAG_UNDEFINED_DOC_CLASS', name)
}
end
end
end
end
::CONTINUE::
end
end
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