61 lines
1.6 KiB
Lua
61 lines
1.6 KiB
Lua
local files = require 'files'
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local vm = require 'vm'
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local lang = require 'language'
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local config = require 'config'
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local guide = require 'parser.guide'
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local await = require 'await'
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local util = require 'utility'
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local requireLike = {
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['include'] = true,
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['import'] = true,
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['require'] = true,
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['load'] = true,
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}
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---@async
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return function (uri, callback)
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local state = files.getState(uri)
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if not state then
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return
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end
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local dglobals = util.arrayToHash(config.get(uri, 'Lua.diagnostics.globals'))
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local rspecial = config.get(uri, 'Lua.runtime.special')
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local cache = {}
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-- 遍历全局变量，检查所有没有 set 模式的全局变量
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guide.eachSourceType(state.ast, 'getglobal', function (src) ---@async
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local key = src[1]
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if not key then
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return
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end
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if dglobals[key] then
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return
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end
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if rspecial[key] then
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return
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end
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local node = src.node
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if node.tag ~= '_ENV' then
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return
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end
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if cache[key] == nil then
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await.delay()
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cache[key] = vm.hasGlobalSets(uri, 'variable', key)
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end
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if cache[key] then
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return
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end
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local message = lang.script('DIAG_UNDEF_GLOBAL', key)
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if requireLike[key:lower()] then
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message = ('%s(%s)'):format(message, lang.script('DIAG_REQUIRE_LIKE', key))
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end
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callback {
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start = src.start,
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finish = src.finish,
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message = message,
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}
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end)
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end
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