Re: SV: [ANN] Lua 5.2.0 (beta-rc2) now available

[David Given <dg@...>]

Alex Queiroz wrote:
[...]
>      One state machine per top-level function? Really, this is still
> no reason for complaining about a few locals shared *per state
> machine*. How many top-level functions do you have to analyse at the
> same time?

Each top-level function is a C function. Each such function turns into a
state machine which represents the flattened basic block graph which is
the contents of the function. C functions call each other reentrantly,
which means my state machines need to be able to call each other
reentrantly. Trust me, I'm creating new state machines *very frequently*.

Using goto, the overhead of a state machine is nil, as the state is
encoded in the Lua program counter and locals are directly accessible
without needing heap cells. Each C function turns into precisely on Lua
function.

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