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---@class vm
local vm = require 'vm.vm'
local util = require 'utility'
local compiler = require 'vm.compiler'
local guide = require 'parser.guide'
local localID = require 'vm.local-id'
local globalMgr = require 'vm.global-manager'
local nodeMgr = require 'vm.node'
local simpleMap
local function searchGetLocal(source, node, pushResult)
local key = guide.getKeyName(source)
for _, ref in ipairs(node.node.ref) do
if ref.type == 'getlocal'
and guide.getKeyName(ref.next) == key then
pushResult(ref.next)
end
end
end
simpleMap = util.switch()
: case 'local'
: call(function (source, pushResult)
pushResult(source)
if source.ref then
for _, ref in ipairs(source.ref) do
if ref.type == 'setlocal'
or ref.type == 'getlocal' then
pushResult(ref)
end
end
end
if source.dummy then
for _, res in ipairs(vm.getDefs(source.method.node)) do
pushResult(res)
end
end
end)
: case 'getlocal'
: case 'setlocal'
: call(function (source, pushResult)
simpleMap['local'](source.node, pushResult)
end)
: case 'field'
: call(function (source, pushResult)
local parent = source.parent
simpleMap[parent.type](parent, pushResult)
end)
: case 'setfield'
: case 'getfield'
: call(function (source, pushResult)
local node = source.node
if node.type == 'getlocal' then
searchGetLocal(source, node, pushResult)
return
end
end)
: case 'getindex'
: case 'setindex'
: call(function (source, pushResult)
local node = source.node
if node.type == 'getlocal' then
searchGetLocal(source, node, pushResult)
end
end)
: case 'goto'
: call(function (source, pushResult)
if source.node then
pushResult(source.node)
end
end)
: getMap()
local searchFieldMap = util.switch()
: case 'table'
: call(function (node, key, pushResult)
for _, field in ipairs(node) do
if field.type == 'tablefield'
or field.type == 'tableindex' then
if guide.getKeyName(field) == key then
pushResult(field)
end
end
end
end)
: case 'global'
---@param node vm.node
---@param key string
: call(function (node, key, pushResult)
if node.cate == 'variable' then
local newGlobal = globalMgr.getGlobal('variable', node.name, key)
if newGlobal then
for _, set in ipairs(newGlobal:getSets()) do
pushResult(set)
end
end
end
if node.cate == 'type' then
compiler.getClassFields(node, key, pushResult)
end
end)
: case 'local'
: call(function (node, key, pushResult)
local sources = localID.getSources(node, key)
if sources then
for _, src in ipairs(sources) do
if guide.isSet(src) then
pushResult(src)
end
end
end
end)
: case 'doc.type.table'
: call(function (node, key, pushResult)
for _, field in ipairs(node.fields) do
local fieldKey = field.name
if fieldKey.type == 'doc.field.name' then
if fieldKey[1] == key then
pushResult(field)
end
end
end
end)
: getMap()
local searchByParentNode
local nodeMap = util.switch()
: case 'field'
: case 'method'
: call(function (source, pushResult)
searchByParentNode(source.parent, pushResult)
end)
: case 'getfield'
: case 'setfield'
: case 'getmethod'
: case 'setmethod'
: case 'getindex'
: case 'setindex'
: call(function (source, pushResult)
local parentNode = compiler.compileNode(source.node)
if not parentNode then
return
end
local key = guide.getKeyName(source)
for pn in nodeMgr.eachNode(parentNode) do
if searchFieldMap[pn.type] then
searchFieldMap[pn.type](pn, key, pushResult)
end
end
end)
: case 'doc.see.field'
: call(function (source, pushResult)
local parentNode = compiler.compileNode(source.parent.name)
if not parentNode then
return
end
for pn in nodeMgr.eachNode(parentNode) do
if searchFieldMap[pn.type] then
searchFieldMap[pn.type](pn, source[1], pushResult)
end
end
end)
: getMap()
---@param source parser.object
---@param pushResult fun(src: parser.object)
local function searchBySimple(source, pushResult)
local simple = simpleMap[source.type]
if simple then
simple(source, pushResult)
end
end
---@param source parser.object
---@param pushResult fun(src: parser.object)
local function searchByLocalID(source, pushResult)
local idSources = localID.getSources(source)
if not idSources then
return
end
for _, src in ipairs(idSources) do
if guide.isSet(src) then
pushResult(src)
end
end
end
---@param source parser.object
---@param pushResult fun(src: parser.object)
function searchByParentNode(source, pushResult)
local node = nodeMap[source.type]
if node then
node(source, pushResult)
end
end
local function searchByNode(source, pushResult)
local node = compiler.compileNode(source)
if not node then
return
end
for n in nodeMgr.eachNode(node) do
if n.type == 'global' and n.cate == 'type' then
for _, set in ipairs(n:getSets()) do
pushResult(set)
end
else
pushResult(n)
end
end
end
function vm.getRefs(source)
local results = {}
local mark = {}
local hasLocal
local function pushResult(src)
if src.type == 'local' and not src.dummy then
if hasLocal then
return
end
hasLocal = true
end
if not mark[src] then
mark[src] = true
if src.type == 'global' then
for _, set in ipairs(src:getSets()) do
pushResult(set)
end
return
end
if guide.isSet(src)
or guide.isLiteral(src) then
results[#results+1] = src
end
end
end
searchBySimple(source, pushResult)
searchByLocalID(source, pushResult)
searchByParentNode(source, pushResult)
searchByNode(source, pushResult)
return results
end
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