local guide = require 'parser.guide' local checkSMT = require 'searcher.setmetatable' local m = {} function m:eachDef(source, callback) local parent = source.parent local key = guide.getKeyName(source) self:eachField(parent, key, function (info) if info.mode == 'set' then callback(info) end end) end function m:eachRef(source, callback) local parent = source.parent local key = guide.getKeyName(source) self:eachField(parent, key, function (info) if info.mode == 'set' or info.mode == 'set' then callback(info) end end) end function m:eachField(source, key, callback) self:eachField(source.parent, key, callback) end function m:eachValue(source, callback) self:eachValue(source.parent, callback) end return m