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local guide = require 'parser.guide'
local checkSMT = require 'searcher.setmetatable'
local m = {}
function m:eachDef(source, callback)
-- _ENV
local key = guide.getKeyName(source)
self:eachField(source.node, key, function (info)
if info.mode == 'set' then
callback(info)
end
end)
self:eachSpecial(function (name, src)
if name == '_G' then
local parent = src.parent
if guide.getKeyName(parent) == key then
callback {
source = parent,
uri = self.uri,
mode = 'set',
}
end
elseif name == 'rawset' then
local t, k = self:callArgOf(src.parent)
if self:getSpecialName(t) == '_G'
and guide.getKeyName(k) == key then
callback {
source = src.parent,
uri = self.uri,
mode = 'set',
}
end
end
end)
end
function m:eachRef(source, callback)
-- _ENV
local key = guide.getKeyName(source)
self:eachField(source.node, key, function (info)
if info.mode == 'set' or info.mode == 'get' then
callback(info)
end
end)
self:eachSpecial(function (name, src)
if name == '_G' then
local parent = src.parent
if guide.getKeyName(parent) == key then
if parent.type:sub(1, 3) == 'set' then
callback {
source = parent,
uri = self.uri,
mode = 'set',
}
else
callback {
source = parent,
uri = self.uri,
mode = 'get',
}
end
end
elseif name == 'rawset' then
local t, k = self:callArgOf(src.parent)
if self:getSpecialName(t) == '_G'
and guide.getKeyName(k) == key then
callback {
source = src.parent,
uri = self.uri,
mode = 'set',
}
end
elseif name == 'rawget' then
local t, k = self:callArgOf(src.parent)
if self:getSpecialName(t) == '_G'
and guide.getKeyName(k) == key then
callback {
source = src.parent,
uri = self.uri,
mode = 'set',
}
end
end
end)
end
function m:eachField(source, key, callback)
local used = {}
local found = false
used[source] = true
self:eachRef(source, function (info)
local src = info.source
used[src] = true
local child, mode, value = info.searcher:childMode(src)
if child then
if key == guide.getKeyName(child) then
callback {
source = child,
uri = info.uri,
mode = mode,
}
end
if value then
info.searcher:eachField(value, key, callback)
end
return
end
if src.type == 'getglobal' then
local parent = src.parent
child, mode, value = info.searcher:childMode(parent)
if child then
if key == guide.getKeyName(child) then
callback {
source = child,
uri = info.uri,
mode = mode,
}
end
if value then
info.searcher:eachField(value, key, callback)
end
end
elseif src.type == 'setglobal' then
info.searcher:eachField(src.value, key, callback)
else
info.searcher:eachField(src, key, callback)
end
end)
checkSMT(self, key, used, found, callback)
end
function m:eachValue(source, callback)
callback {
source = source,
uri = self.uri,
}
self:eachDef(source, function (info)
local src = info.source
if src.value then
callback {
source = src.value,
uri = info.uri,
}
end
end)
end
function m:getValue(source)
if source.type == 'setglobal' then
return source.value and self:getValue(source.value)
end
end
return m
|
