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local ast = require 'parser.ast'
return function (self, lua, mode, version)
local errs = {}
local state = {
version = version,
lua = lua,
emmy = {},
root = {},
pushError = function (err)
if err.finish < err.start then
err.finish = err.start
end
local last = errs[#errs]
if last then
if last.start <= err.start and last.finish >= err.finish then
return
end
end
err.level = err.level or 'error'
errs[#errs+1] = err
return err
end,
}
ast.init(state)
local suc, res, err = xpcall(self.grammar, debug.traceback, self, lua, mode)
ast.close()
if not suc then
return nil, res
end
if not res then
state.pushError(err)
return nil, errs
end
state.ast = res
return state, errs
end
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