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72 lines
3.8 KiB
Plaintext
72 lines
3.8 KiB
Plaintext
-------------------------------------------------------------------------------
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-- Coroutine Manipulation.
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-- The operations related to coroutines comprise a sub-library of the basic library
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-- and come inside the table coroutine.
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-- See http://www.lua.org/manual/5.1/manual.html#2.11 for a general description of coroutines.
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-- @module coroutine
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-------------------------------------------------------------------------------
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-- Creates a new coroutine, with body `f`. `f` must be a Lua
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-- function. Returns this new coroutine, an object with type `"thread"`.
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-- @function [parent=#coroutine] create
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-- @param f a function used as coroutine body.
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-- @return #thread a new coroutine.
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-------------------------------------------------------------------------------
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-- Starts or continues the execution of coroutine `co`. The first time
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-- you resume a coroutine, it starts running its body. The values `val1`,
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-- ... are passed as the arguments to the body function. If the coroutine
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-- has yielded, `resume` restarts it; the values `val1`, ... are passed
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-- as the results from the yield.
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--
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-- If the coroutine runs without any errors, `resume` returns true plus any
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-- values passed to `yield` (if the coroutine yields) or any values returned
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-- by the body function (if the coroutine terminates). If there is any error,
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-- `resume` returns false plus the error message.
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-- @function [parent=#coroutine] resume
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-- @param #thread co coroutine to start or resume.
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-- @param ... arguments passed to the body function or as result of yield call.
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-- @return #boolean true plus any values passed to `yield` (if the coroutine yields) or any values returned
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-- by the body function (if the coroutine terminates)
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-- @return #boolean false plus an error message.
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-------------------------------------------------------------------------------
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-- Returns the running coroutine, or nil when called by the main thread.
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-- @function [parent=#coroutine] running
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-- @return #thread the running coroutine, or nil when called by the main thread.
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-------------------------------------------------------------------------------
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-- Returns the status of coroutine `co`, as a string: `"running"`, if
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-- the coroutine is running (that is, it called `status`); `"suspended"`, if
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-- the coroutine is suspended in a call to `yield`, or if it has not started
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-- running yet; `"normal"` if the coroutine is active but not running (that
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-- is, it has resumed another coroutine); and `"dead"` if the coroutine has
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-- finished its body function, or if it has stopped with an error.
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-- @function [parent=#coroutine] status
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-- @param #thread co a coroutine
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-- @return #string the status : `"running"`, `"suspended"`, `"normal"` or `"dead"`.
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-------------------------------------------------------------------------------
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-- Creates a new coroutine, with body `f`. `f` must be a Lua
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-- function. Returns a function that resumes the coroutine each time it is
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-- called. Any arguments passed to the function behave as the extra arguments to
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-- `resume`. Returns the same values returned by `resume`, except the first
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-- boolean. In case of error, propagates the error.
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-- @function [parent=#coroutine] wrap
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-- @param f a function used as coroutine body.
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-- @param ... arguments passed to the body function or as result of yield call.
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-- @return Any values passed to `yield` (if the coroutine yields) or any values returned
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-- by the body function (if the coroutine terminates).
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-------------------------------------------------------------------------------
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-- Suspends the execution of the calling coroutine. The coroutine cannot
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-- be running a C function, a metamethod, or an iterator. Any arguments to
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-- `yield` are passed as extra results to `resume`.
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-- @function [parent=#coroutine] yield
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-- @param ... arguments passed as extra results to `resume` function.
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-- @return Any values passed to the `resume` function.
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return nil
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