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local findSource = require 'core.find_source'
local function parseResult(vm, source, declarat, callback)
local isGlobal
if source:bindLabel() then
source:bindLabel():eachInfo(function (info, src)
if (declarat and info.type == 'set') or info.type == 'get' then
callback(src)
end
end)
end
if source:bindLocal() then
local loc = source:bindLocal()
callback(loc:getSource())
loc:eachInfo(function (info, src)
if (declarat and info.type == 'set') or info.type == 'get' then
callback(src)
end
end)
loc:getValue():eachInfo(function (info, src)
if (declarat and (info.type == 'set' or info.type == 'local' or info.type == 'return')) or info.type == 'get' then
callback(src)
end
end)
end
if source:bindFunction() then
if declarat then
callback(source:bindFunction():getSource())
end
source:bindFunction():eachInfo(function (info, src)
if (declarat and (info.type == 'set' or info.type == 'local')) or info.type == 'get' then
callback(src)
end
end)
end
if source:bindValue() then
source:bindValue():eachInfo(function (info, src)
if (declarat and (info.type == 'set' or info.type == 'local')) or info.type == 'get' then
callback(src)
end
end)
if source:bindValue():isGlobal() then
isGlobal = true
end
end
local parent = source:get 'parent'
if parent then
parent:eachInfo(function (info, src)
if info[1] == source[1] then
if (declarat and info.type == 'set child') or info.type == 'get child' then
callback(src)
end
end
end)
end
return isGlobal
end
return function (vm, pos, declarat)
local source = findSource(vm, pos)
if not source then
return nil
end
local positions = {}
local mark = {}
local isGlobal = parseResult(vm, source, declarat, function (src)
if mark[src] then
return
end
mark[src] = true
if src.start == 0 then
return
end
local uri = src.uri
if uri == '' then
uri = nil
end
positions[#positions+1] = {
src.start,
src.finish,
uri,
}
end)
return positions, isGlobal
end
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