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---@class vm
local vm = require 'vm.vm'
local util = require 'utility'
local guide = require 'parser.guide'
local searchByNodeSwitch = util.switch()
: case 'global'
---@param global vm.global
: call(function (suri, global, pushResult)
for _, set in ipairs(global:getSets(suri)) do
pushResult(set)
end
end)
: default(function (suri, source, pushResult)
pushResult(source)
end)
local function searchByLocalID(source, pushResult)
local fields = vm.getVariableFields(source, true)
if fields then
for _, field in ipairs(fields) do
pushResult(field)
end
end
end
local function searchByNode(source, pushResult, mark)
mark = mark or {}
if mark[source] then
return
end
mark[source] = true
local uri = guide.getUri(source)
vm.compileByParentNode(source, vm.ANY, function (field)
searchByNodeSwitch(field.type, uri, field, pushResult)
end)
vm.compileByNodeChain(source, function (src)
searchByNode(src, pushResult, mark)
end)
end
---@param source parser.object
---@return parser.object[]
function vm.getFields(source)
local results = {}
local mark = {}
local function pushResult(src)
if not mark[src] then
mark[src] = true
results[#results+1] = src
end
end
searchByLocalID(source, pushResult)
searchByNode(source, pushResult)
return results
end
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