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local files = require 'files'
local searcher = require 'searcher'
local lang = require 'language'
local library = require 'library'
local config = require 'config'
return function (uri, callback)
local ast = files.getAst(uri)
if not ast then
return
end
-- 先遍历一次该文件中的全局变量
-- 如果变量有 set 行为，则做标记
-- 然后再遍历一次，对所有的行为打上相同标记
local hasSet = {}
searcher.eachGlobal(ast.ast, function (info)
if hasSet[info.source] ~= nil then
return
end
local mark = false
searcher.eachRef(info.source, function (info)
if info.mode == 'set' then
mark = true
end
end)
searcher.eachRef(info.source, function (info)
hasSet[info.source] = mark
end)
end)
-- 然后再遍历一次，检查所有标记为假的全局变量
searcher.eachGlobal(ast.ast, function (info)
local source = info.source
local key = info.key
local skey = key and key:match '^s|(.+)$'
if not skey then
return
end
if library.global[skey] then
return
end
if config.config.diagnostics.globals[skey] then
return
end
if info.mode == 'get' and not hasSet[source] then
local message
local otherVersion = library.other[key]
local customVersion = library.custom[key]
if otherVersion then
message = ('%s(%s)'):format(message, lang.script('DIAG_DEFINED_VERSION', table.concat(otherVersion, '/'), config.config.runtime.version))
elseif customVersion then
message = ('%s(%s)'):format(message, lang.script('DIAG_DEFINED_CUSTOM', table.concat(customVersion, '/')))
else
message = lang.script('DIAG_UNDEF_GLOBAL', info.key)
end
callback {
start = source.start,
finish = source.finish,
message = message,
}
end
end)
end
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