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---@type vm
local vm = require 'vm.vm'
local guide = require 'parser.guide'
local util = require 'utility'
local await = require 'await'
local config = require 'config'
NIL = setmetatable({'<nil>'}, { __tostring = function () return 'nil' end })
--- 是否包含某种类型
function vm.hasType(source, type, deep)
local defs = vm.getDefs(source, deep)
for i = 1, #defs do
local def = defs[i]
local value = guide.getObjectValue(def) or def
if value.type == type then
return true
end
end
return false
end
--- 是否包含某种类型
function vm.hasInferType(source, type, deep)
local infers = vm.getInfers(source, deep)
for i = 1, #infers do
local infer = infers[i]
if infer.type == type then
return true
end
end
return false
end
function vm.getInferType(source, deep)
local infers = vm.getInfers(source, deep)
return guide.viewInferType(infers)
end
function vm.getInferLiteral(source, deep)
local infers = vm.getInfers(source, deep)
local literals = {}
local mark = {}
for _, infer in ipairs(infers) do
local value = infer.value
if value and not mark[value] then
mark[value] = true
literals[#literals+1] = util.viewLiteral(value)
end
end
if #literals == 0 then
return nil
end
table.sort(literals)
return table.concat(literals, '|')
end
local function getInfers(source, deep)
local results = {}
local lock = vm.lock('getInfers', source)
if not lock then
return results
end
deep = config.config.intelliSense.searchDepth + (deep or 0)
await.delay()
local clock = os.clock()
local myResults, count = guide.requestInfer(source, vm.interface, deep)
if DEVELOP and os.clock() - clock > 0.1 then
log.warn('requestInfer', count, os.clock() - clock, guide.getUri(source), util.dump(source, { deep = 1 }))
end
vm.mergeResults(results, myResults)
lock()
return results
end
local function getInfersBySource(source, deep)
deep = deep or -999
local cache = vm.getCache('getInfers')[source]
if not cache or cache.deep < deep then
cache = getInfers(source, deep)
cache.deep = deep
vm.getCache('getInfers')[source] = cache
end
return cache
end
--- 获取对象的值
--- 会尝试穿透函数调用
function vm.getInfers(source, deep)
if guide.isGlobal(source) then
local name = guide.getKeyName(source)
local cache = vm.getCache('getInfersOfGlobal')[name]
or getInfersBySource(source, deep)
vm.getCache('getInfersOfGlobal')[name] = cache
return cache
else
return getInfersBySource(source, deep)
end
end
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