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46 lines
1.8 KiB
46 lines
1.8 KiB
-- Copyright (c) 2011-2015 Rob Hoelz <rob@hoelz.ro>
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--
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-- Permission is hereby granted, free of charge, to any person obtaining a copy of
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-- this software and associated documentation files (the "Software"), to deal in
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-- the Software without restriction, including without limitation the rights to
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-- use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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-- the Software, and to permit persons to whom the Software is furnished to do so,
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-- subject to the following conditions:
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--
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-- The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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--
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-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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-- FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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-- COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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-- IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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-- CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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local repl = require 'repl'
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local sync_repl = repl:clone()
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local error = error
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-- @class repl.sync
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--- This module implements a synchronous REPL. It provides
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--- a run() method for actually running the REPL, and requires
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--- that implementors implement the lines() method.
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--- Run a REPL loop in a synchronous fashion.
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-- @name repl.sync:run
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function sync_repl:run()
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self:prompt(1)
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for line in self:lines() do
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local level = self:handleline(line)
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self:prompt(level)
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end
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self:shutdown()
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end
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--- Returns an iterator that yields lines to be evaluated.
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-- @name repl.sync:lines
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-- @return An iterator.
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function sync_repl:lines()
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error 'You must implement the lines method'
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end
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return sync_repl
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