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Re: Dynamic modules: emacs-module.c and signaling errors


From: Daniel Colascione
Subject: Re: Dynamic modules: emacs-module.c and signaling errors
Date: Tue, 24 Nov 2015 13:55:40 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0

On 11/24/2015 01:34 PM, Paul Eggert wrote:
> On 11/24/2015 12:49 PM, Eli Zaretskii wrote:
>> Btw, using this method the module code becomes very tedious
> 
> It's so tedious I can't imagine using it that way. Module authors
> shouldn't have to call env->non_local_exit_check (env) after every
> function call, to see whether the function actually worked. Functions
> should be able to signal an error, just as they can in the Emacs core,
> and the error should propagate through calls in a natural way.

And in a C++ wrapper interface, that can happen naturally and safely. If
you want to write C, you check for errors the C way.

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