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- Subject: Re: Lua C API can't be used from other languages without C wrappers
- From: ThePhD <jm3689@...>
- Date: Sun, 18 Feb 2018 22:03:51 -0500
Perhaps tangential to the discussion, but longjmp / setjmp has bitten me a lot too. From not running C++ destructors to making cleanup code get skipped and generally surprising behavior, if there's any mechanism I'd avoid in any API -- even with plain C where destructors and stack unwinding isn't a thing -- it's these.
Unfortunately, that means your entire API has to be rewritten from the ground up to propagate errors properly to every external function, meaning the internals have to be written to handle it. This is its own challenge, and is extremely hard to do properly throughout an entire API.