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local guide = require 'parser.guide'
local util = require 'utility'
local setmetatable = setmetatable
local assert = assert
local require = require
local type = type
local running = coroutine.running
_ENV = nil
local specials = {
['_G'] = true,
['rawset'] = true,
['rawget'] = true,
['setmetatable'] = true,
['require'] = true,
['dofile'] = true,
['loadfile'] = true,
}
---@class vm
local m = {}
function m.lock(tp, source)
local co = running()
local master = m.locked[co]
if not master then
master = {}
m.locked[co] = master
end
if not master[tp] then
master[tp] = {}
end
if master[tp][source] then
return nil
end
master[tp][source] = true
return function ()
master[tp][source] = nil
end
end
--- 获取link的uri
function m.getLinkUris(call)
local workspace = require 'workspace'
local func = call.node
local name = func.special
if name == 'require' then
local args = call.args
if not args[1] then
return nil
end
local literal = guide.getLiteral(args[1])
if type(literal) ~= 'string' then
return nil
end
return workspace.findUrisByRequirePath(literal, true)
end
end
function m.isSet(src)
local tp = src.type
if tp == 'setglobal'
or tp == 'local'
or tp == 'setlocal'
or tp == 'setfield'
or tp == 'setmethod'
or tp == 'setindex'
or tp == 'tablefield'
or tp == 'tableindex' then
return true
end
if tp == 'call' then
local special = m.getSpecial(src.node)
if special == 'rawset' then
return true
end
end
return false
end
function m.getArgInfo(source)
local callargs = source.parent
if not callargs or callargs.type ~= 'callargs' then
return nil
end
local call = callargs.parent
if not call or call.type ~= 'call' then
return nil
end
for i = 1, #callargs do
if callargs[i] == source then
return call.node, i
end
end
return nil
end
function m.getSpecial(source)
if not source then
return nil
end
return source.special
end
function m.getKeyName(source)
if source.type == 'call' then
local special = m.getSpecial(source.node)
if special == 'rawset'
or special == 'rawget' then
return guide.getKeyName(source.args[2])
end
end
return guide.getKeyName(source)
end
m.cacheTracker = setmetatable({}, { __mode = 'kv' })
--- 刷新缓存
function m.refreshCache()
if m.cache then
m.cache.dead = true
end
m.cache = {
eachRef = {},
eachDef = {},
eachField = {},
eachMeta = {},
getGlobals = {},
getLinks = {},
getGlobal = {},
specialName = {},
getLibrary = {},
getValue = {},
getMeta = {},
specials = nil,
}
m.locked = setmetatable({}, { __mode = 'k' })
m.cacheTracker[m.cache] = true
end
return m
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