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local guide = require 'parser.guide'
local checkSMT = require 'core.setmetatable'
local m = {}
function m:ref(source, callback)
local node = source.node
if node.type == 'setfield'
or node.type == 'getfield'
or node.type == 'setmethod'
or node.type == 'getmethod'
or node.type == 'setindex'
or node.type == 'getindex' then
local key = guide.getKeyName(node)
self:eachField(node.node, key, function (src, mode)
if mode == 'set' or mode == 'get' then
callback(src, mode)
end
end)
else
self:eachRef(node, callback)
end
end
function m:field(source, key, callback)
local used = {}
local found = false
used[source] = true
self:eachRef(source, function (src)
used[src] = true
local child, mode = self:childMode(src)
if child then
if key == guide.getKeyName(child) then
callback(child, mode)
end
return
end
if src.type == 'getglobal' then
local parent = src.parent
child, mode = self:childMode(parent)
if child then
if key == guide.getKeyName(child) then
callback(child, mode)
end
end
elseif src.type == 'setglobal' then
local parent = src.parent
child, mode = self:childMode(parent)
if child then
if key == guide.getKeyName(child) then
callback(child, mode)
end
end
else
self:eachField(src, key, callback)
end
end)
checkSMT(self, key, used, found, callback)
end
function m:value(source, callback)
if source.value then
self:eachValue(source.value, callback)
end
end
return m
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