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local files = require 'files'
local lang = require 'language'
local vm = require 'vm.vm'
local function getFieldEventName(doc)
if not doc.extends then
return nil
end
if #doc.extends.types ~= 1 then
return nil
end
local docFunc = doc.extends.types[1]
if docFunc.type ~= 'doc.type.function' then
return nil
end
for i = 1, 2 do
local arg = docFunc.args[i]
if arg
and arg.extends
and #arg.extends.types == 1 then
local literal = arg.extends.types[1]
if literal.type == 'doc.type.boolean'
or literal.type == 'doc.type.string'
or literal.type == 'doc.type.integer' then
return ('%q'):format(literal[1])
end
end
end
return nil
end
return function (uri, callback)
local state = files.getState(uri)
if not state then
return
end
if not state.ast.docs then
return
end
local mark
for _, group in ipairs(state.ast.docs.groups) do
for _, doc in ipairs(group) do
if doc.type == 'doc.class' then
mark = {}
elseif doc.type == 'doc.field' then
if mark then
local name
if doc.field.type == 'doc.type' then
name = ('[%s]'):format(vm.getInfer(doc.field):view(uri))
else
name = ('%q'):format(doc.field[1])
end
local eventName = getFieldEventName(doc)
if eventName then
name = name .. '|' .. eventName
end
if mark[name] then
callback {
start = doc.field.start,
finish = doc.field.finish,
message = lang.script('DIAG_DUPLICATE_DOC_FIELD', name),
}
end
mark[name] = true
end
end
end
end
end
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