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---@class vm
local vm = require 'vm.vm'
local util = require 'utility'
local compiler = require 'vm.node.compiler'
local guide = require 'parser.guide'
local localID = require 'vm.local-id'
local simpleMap
local function searchGetLocal(source, node, results)
local key = guide.getKeyName(source)
for _, ref in ipairs(node.node.ref) do
if ref.type == 'getlocal'
and guide.isSet(ref.next)
and guide.getKeyName(ref.next) == key then
results[#results+1] = ref.next
end
end
end
simpleMap = util.switch()
: case 'local'
: call(function (source, results)
results[#results+1] = source
if source.ref then
for _, ref in ipairs(source.ref) do
if ref.type == 'setlocal' then
results[#results+1] = ref
end
end
end
if source.dummy then
for _, res in ipairs(vm.getDefs(source.method.node)) do
results[#results+1] = res
end
end
end)
: case 'getlocal'
: case 'setlocal'
: call(function (source, results)
simpleMap['local'](source.node, results)
end)
: case 'field'
: call(function (source, results)
local parent = source.parent
simpleMap[parent.type](parent, results)
end)
: case 'setfield'
: case 'getfield'
: call(function (source, results)
local node = source.node
if node.type == 'getlocal' then
searchGetLocal(source, node, results)
return
end
end)
: case 'getindex'
: case 'setindex'
: call(function (source, results)
local node = source.node
if node.type == 'getlocal' then
searchGetLocal(source, node, results)
end
end)
: getMap()
local searchFieldMap = util.switch()
: case 'table'
: call(function (node, key, results)
for _, field in ipairs(node) do
if field.type == 'tablefield'
or field.type == 'tableindex' then
if guide.getKeyName(field) == key then
results[#results+1] = field
end
end
end
end)
: getMap()
local nodeMap;nodeMap = util.switch()
: case 'field'
: call(function (source, results)
local parent = source.parent
nodeMap[parent.type](parent, results)
end)
: case 'getfield'
: case 'setfield'
: call(function (source, results)
local node = compiler.compileNode(guide.getUri(source.node), source.node)
if not node then
return
end
if searchFieldMap[node.type] then
searchFieldMap[node.type](node, guide.getKeyName(source), results)
end
end)
: getMap()
---@param source parser.object
---@param results parser.object[]
local function searchBySimple(source, results)
local simple = simpleMap[source.type]
if simple then
simple(source, results)
end
end
---@param source parser.object
---@param results parser.object[]
local function searchByGlobal(source, results)
if source.type == 'field' then
source = source.parent
end
local global = source._globalID
if not global then
return
end
for _, src in ipairs(global:getSets()) do
results[#results+1] = src
end
end
local function searchByID(source, results)
local idSources = localID.getSources(source)
if not idSources then
return
end
end
---@param source parser.object
---@param results parser.object[]
local function searchByNode(source, results)
local node = nodeMap[source.type]
if node then
node(source, results)
end
end
---@param source parser.object
---@return parser.object[]
function vm.getDefs(source)
local results = {}
searchBySimple(source, results)
searchByGlobal(source, results)
--searchByID(source, results)
searchByNode(source, results)
return results
end
---@param source parser.object
---@return parser.object[]
function vm.getAllDefs(source)
return vm.getDefs(source)
end
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