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local files = require 'files'
local guide = require 'parser.guide'
local lang = require 'language'
-- TODO: 检查路径是否可达
local function mayRun(path)
return true
end
return function (uri, callback)
local ast = files.getState(uri)
if not ast then
return
end
local root = guide.getRoot(ast.ast)
local env = guide.getENV(root)
local nilDefs = {}
if not env.ref then
return
end
for _, ref in ipairs(env.ref) do
if ref.type == 'setlocal' then
if ref.value and ref.value.type == 'nil' then
nilDefs[#nilDefs+1] = ref
end
end
end
if #nilDefs == 0 then
return
end
local function check(source)
local node = source.node
if node.tag == '_ENV' then
local ok
for _, nilDef in ipairs(nilDefs) do
local mode, pathA = guide.getPath(nilDef, source)
if mode == 'before'
and mayRun(pathA) then
ok = nilDef
break
end
end
if ok then
callback {
start = source.start,
finish = source.finish,
uri = uri,
message = lang.script.DIAG_GLOBAL_IN_NIL_ENV,
related = {
{
start = ok.start,
finish = ok.finish,
uri = uri,
}
}
}
end
end
end
guide.eachSourceType(ast.ast, 'getglobal', check)
guide.eachSourceType(ast.ast, 'setglobal', check)
end
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