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|
local util = require 'utility'
local guide = require 'parser.guide'
local globalBuilder = require 'vm.global'
---@class parser.object
---@field _globalNode vm.node.global
---@class vm.global-manager
local m = {}
---@type table<string, vm.node.global>
m.globals = {}
---@type table<uri, table<string, boolean>>
m.globalSubs = util.multiTable(2)
m.ID_SPLITE = '\x1F'
local compilerGlobalMap = 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
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 = parentName .. m.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
if source.node._globalNode then
local parentName = source.node._globalNode:getName()
if parentName == '_G' then
name = guide.getKeyName(source)
else
name = parentName .. m.ID_SPLITE .. guide.getKeyName(source)
end
elseif source.node.special == '_G' then
name = guide.getKeyName(source)
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
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'
: call(function (source)
local uri = guide.getUri(source)
local name = guide.getKeyName(source)
local class = m.declareGlobal('type', name, uri)
class:addSet(uri, source)
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)
end)
: getMap()
---@alias vm.global.cate '"variable"' | '"type"'
---@param cate vm.global.cate
---@param name string
---@param uri uri
---@return vm.node.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.node.global?
function m.getGlobal(cate, name, field)
local key = cate .. '|' .. name
if field then
key = key .. m.ID_SPLITE .. field
end
return m.globals[key]
end
---@param source parser.object
function m.compileObject(source)
if source._globalNode ~= nil then
return
end
source._globalNode = false
local compiler = compilerGlobalMap[source.type]
if compiler then
compiler(source)
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)
end
---@return vm.node.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]
global:dropUri(uri)
if not global:isAlive() then
m.globals[key] = nil
end
end
end
return m
|
