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|
local util = require 'utility'
local guide = require 'parser.guide'
local globalBuilder = require 'vm.global'
local signMgr = require 'vm.sign'
local genericMgr = require 'vm.generic'
local localID = require 'vm.local-id'
---@class vm
local vm = require 'vm.vm'
---@class parser.object
---@field _globalNode? vm.global
---@class vm.global-manager
local m = {}
---@type table<string, vm.global>
m.globals = {}
---@type table<uri, table<string, boolean>>
m.globalSubs = util.multiTable(2)
local compilerGlobalSwitch = util.switch()
: case 'local'
: call(function (source)
if source.special ~= '_G' then
return
end
if source.ref then
for _, ref in ipairs(source.ref) do
m.compileObject(ref)
end
end
end)
: case 'getlocal'
: call(function (source)
if source.special ~= '_G' then
return
end
if not source.next then
return
end
m.compileObject(source.next)
end)
: case 'setglobal'
: call(function (source)
local uri = guide.getUri(source)
local name = guide.getKeyName(source)
local global = m.declareGlobal('variable', name, uri)
global:addSet(uri, source)
source._globalNode = global
end)
: case 'getglobal'
: call(function (source)
local uri = guide.getUri(source)
local name = guide.getKeyName(source)
local global = m.declareGlobal('variable', name, uri)
global:addGet(uri, source)
source._globalNode = global
local nxt = source.next
if nxt then
m.compileObject(nxt)
end
end)
: case 'setfield'
: case 'setmethod'
: case 'setindex'
---@param source parser.object
: call(function (source)
local name
local keyName = guide.getKeyName(source)
if not keyName then
return
end
if source.node._globalNode then
local parentName = source.node._globalNode:getName()
if parentName == '_G' then
name = keyName
else
name = ('%s%s%s'):format(parentName, vm.ID_SPLITE, keyName)
end
elseif source.node.special == '_G' then
name = keyName
end
if not name then
return
end
local uri = guide.getUri(source)
local global = m.declareGlobal('variable', name, uri)
global:addSet(uri, source)
source._globalNode = global
end)
: case 'getfield'
: case 'getmethod'
: case 'getindex'
---@param source parser.object
: call(function (source)
local name
local keyName = guide.getKeyName(source)
if not keyName then
return
end
if source.node._globalNode then
local parentName = source.node._globalNode:getName()
if parentName == '_G' then
name = keyName
else
name = ('%s%s%s'):format(parentName, vm.ID_SPLITE, keyName)
end
elseif source.node.special == '_G' then
name = keyName
end
local uri = guide.getUri(source)
local global = m.declareGlobal('variable', name, uri)
global:addGet(uri, source)
source._globalNode = global
local nxt = source.next
if nxt then
m.compileObject(nxt)
end
end)
: case 'call'
: call(function (source)
if source.node.special == 'rawset'
or source.node.special == 'rawget' then
if not source.args then
return
end
local g = source.args[1]
local key = source.args[2]
if g and key and g.special == '_G' then
local name = guide.getKeyName(key)
if name then
local uri = guide.getUri(source)
local global = m.declareGlobal('variable', name, uri)
if source.node.special == 'rawset' then
global:addSet(uri, source)
source.value = source.args[3]
else
global:addGet(uri, source)
end
source._globalNode = global
local nxt = source.next
if nxt then
m.compileObject(nxt)
end
end
end
end
end)
: case 'doc.class'
---@param source parser.object
: call(function (source)
local uri = guide.getUri(source)
local name = guide.getKeyName(source)
local class = m.declareGlobal('type', name, uri)
class:addSet(uri, source)
source._globalNode = class
if source.signs then
source._sign = signMgr()
for _, sign in ipairs(source.signs) do
source._sign:addSign(vm.compileNode(sign))
end
if source.extends then
for _, ext in ipairs(source.extends) do
if ext.type == 'doc.type.table' then
ext._generic = genericMgr(ext, source._sign)
end
end
end
end
end)
: case 'doc.alias'
: call(function (source)
local uri = guide.getUri(source)
local name = guide.getKeyName(source)
local alias = m.declareGlobal('type', name, uri)
alias:addSet(uri, source)
source._globalNode = alias
if source.signs then
source._sign = signMgr()
for _, sign in ipairs(source.signs) do
source._sign:addSign(vm.compileNode(sign))
end
source.extends._generic = genericMgr(source.extends, source._sign)
end
end)
: case 'doc.type.name'
: call(function (source)
local uri = guide.getUri(source)
local name = source[1]
local type = m.declareGlobal('type', name, uri)
type:addGet(uri, source)
source._globalNode = type
end)
: case 'doc.extends.name'
: call(function (source)
local uri = guide.getUri(source)
local name = source[1]
local class = m.declareGlobal('type', name, uri)
class:addGet(uri, source)
source._globalNode = class
end)
---@alias vm.global.cate '"variable"' | '"type"'
---@param cate vm.global.cate
---@param name string
---@param uri uri
---@return vm.global
function m.declareGlobal(cate, name, uri)
local key = cate .. '|' .. name
m.globalSubs[uri][key] = true
if not m.globals[key] then
m.globals[key] = globalBuilder(name, cate)
end
return m.globals[key]
end
---@param cate vm.global.cate
---@param name string
---@param field? string
---@return vm.global?
function m.getGlobal(cate, name, field)
local key = cate .. '|' .. name
if field then
key = key .. vm.ID_SPLITE .. field
end
return m.globals[key]
end
---@param cate vm.global.cate
---@param name string
---@return vm.global[]
function m.getFields(cate, name)
local globals = {}
local key = cate .. '|' .. name
-- TODO: optimize
local clock = os.clock()
for gid, global in pairs(m.globals) do
if gid ~= key
and util.stringStartWith(gid, key)
and gid:sub(#key + 1, #key + 1) == vm.ID_SPLITE
and not gid:find(vm.ID_SPLITE, #key + 2) then
globals[#globals+1] = global
end
end
local cost = os.clock() - clock
if cost > 0.1 then
log.warn('global-manager getFields cost %.3f', cost)
end
return globals
end
---@param cate vm.global.cate
---@return vm.global[]
function m.getGlobals(cate)
local globals = {}
-- TODO: optimize
local clock = os.clock()
for gid, global in pairs(m.globals) do
if util.stringStartWith(gid, cate)
and not gid:find(vm.ID_SPLITE) then
globals[#globals+1] = global
end
end
local cost = os.clock() - clock
if cost > 0.1 then
log.warn('global-manager getGlobals cost %.3f', cost)
end
return globals
end
---@param suri uri
---@param cate vm.global.cate
---@return parser.object[]
function m.getGlobalSets(suri, cate)
local globals = m.getGlobals(cate)
local result = {}
for _, global in ipairs(globals) do
local sets = global:getSets(suri)
for _, set in ipairs(sets) do
result[#result+1] = set
end
end
return result
end
---@param suri uri
---@param cate vm.global.cate
---@param name string
---@return boolean
function m.hasGlobalSets(suri, cate, name)
local global = m.getGlobal(cate, name)
if not global then
return false
end
local sets = global:getSets(suri)
if #sets == 0 then
return false
end
return true
end
---@param source parser.object
function m.compileObject(source)
if source._globalNode ~= nil then
return
end
source._globalNode = false
compilerGlobalSwitch(source.type, source)
end
---@param source parser.object
function m.compileSelf(source)
if source.parent.type ~= 'funcargs' then
return
end
---@type parser.object
local node = source.parent.parent and source.parent.parent.parent and source.parent.parent.parent.node
if not node then
return
end
local fields = localID.getFields(source)
if not fields then
return
end
local nodeLocalID = localID.getID(node)
local globalNode = node._globalNode
if not nodeLocalID and not globalNode then
return
end
for _, field in ipairs(fields) do
if field.type == 'setfield' then
local key = guide.getKeyName(field)
if key then
if nodeLocalID then
local myID = nodeLocalID .. vm.ID_SPLITE .. key
localID.insertLocalID(myID, field)
end
if globalNode then
local myID = globalNode:getName() .. vm.ID_SPLITE .. key
local myGlobal = m.declareGlobal('variable', myID, guide.getUri(node))
myGlobal:addSet(guide.getUri(node), field)
end
end
end
end
end
---@param source parser.object
function m.compileAst(source)
local env = guide.getENV(source)
m.compileObject(env)
guide.eachSpecialOf(source, 'rawset', function (src)
m.compileObject(src.parent)
end)
guide.eachSpecialOf(source, 'rawget', function (src)
m.compileObject(src.parent)
end)
guide.eachSourceTypes(source.docs, {
'doc.class',
'doc.alias',
'doc.type.name',
'doc.extends.name',
}, function (src)
m.compileObject(src)
end)
--[[
local mt
function mt:xxx()
self.a = 1
end
mt.a --> find this definition
]]
guide.eachSourceType(source, 'self', function (src)
m.compileSelf(src)
end)
end
---@return vm.global
function m.getNode(source)
if source.type == 'field'
or source.type == 'method' then
source = source.parent
end
return source._globalNode
end
---@param uri uri
function m.dropUri(uri)
local globalSub = m.globalSubs[uri]
m.globalSubs[uri] = nil
for key in pairs(globalSub) do
local global = m.globals[key]
if global then
global:dropUri(uri)
if not global:isAlive() then
m.globals[key] = nil
end
end
end
end
return m
|