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local files = require 'files'
local searcher = require 'searcher'
local guide = require 'parser.guide'
local function checkSource(source)
if source.type == 'field'
or source.type == 'method'
or source.type == 'tablefield'
or source.type == 'string'
or source.type == 'local'
or source.type == 'setlocal'
or source.type == 'getlocal'
or source.type == 'setglobal'
or source.type == 'getglobal'
or source.type == 'label'
or source.type == 'goto' then
return true
end
return false
end
local function rename(source)
if source.type == 'field'
or source.type == 'method'
or source.type == 'tablefield'
or source.type == 'string'
or source.type == 'local'
or source.type == 'setlocal'
or source.type == 'getlocal'
or source.type == 'setglobal'
or source.type == 'getglobal'
or source.type == 'label'
or source.type == 'goto' then
return source
end
if source.type == 'setfield'
or source.type == 'getfield'
or source.type == 'tablefield' then
return source.field
end
if source.type == 'setindex'
or source.type == 'getindex'
or source.type == 'tableindex' then
return source.index
end
if source.type == 'setmethod'
or source.type == 'getmethod' then
return source.method
end
return nil
end
return function (uri, pos, newname)
local ast = files.getAst(uri)
if not ast then
return nil
end
local results = {}
guide.eachSourceContain(ast.ast, pos, function(source)
if not checkSource(source) then
return
end
searcher.eachRef(source, function (info)
local src = rename(info.source)
if not src then
return
end
results[#results+1] = {
start = src.start,
finish = src.finish,
text = newname,
uri = guide.getRoot(src).uri,
}
end)
end)
if #results == 0 then
return nil
end
return results
end
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