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Mail Archives: geda-user/2015/07/23/08:04:16

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Message-ID: <55B0D8C4.2090807@iae.nl>
Date: Thu, 23 Jul 2015 14:06:28 +0200
From: myken <myken AT iae DOT nl>
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To: geda-user AT delorie DOT com
Subject: Re: [geda-user] PCB development introduction 0.1
References: <55B001A8 DOT 5010501 AT iae DOT nl> <201507222233 DOT t6MMXrJP020776 AT envy DOT delorie DOT com> <55B0D082 DOT 7020306 AT iae DOT nl>
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Reply-To: geda-user AT delorie DOT com

Never mind I figured it out.

The REGISTER_ACTION(a) macro in hid.h will expand to a function to 
register an action, while the REGISTER_ACTION(a) macro in dolists.h will 
expand to the actual calling of these functions.


On 23/07/15 13:31, myken wrote:
>> dolists.h is our way of implementing C++ constructors.
> Ehh now I'm really confused about the dolists.h file.
>
> dolists.h is included (according to doxygen) by two c files 
> (hid/batch/batch.c and hid gcode/code.c).
> If I look at the hid/batch/batch.c file I see that in line 12 hid.h is 
> included, moving down I find in line 116 "REGISTER_ACTIONS 
> (batch_action_list)", so I guess this one is taken from the hid.h file.
> The dolists.h file isn't included until line 326, but the function 
> hid_batch_init () after that doesn't seem to use the RESIGTER_* macros.
> The same is true for the gcode.c file, the dolists.h isn't included 
> until line 1577 just before the hid_gcode_init () function.
>
> Is there some sophisticated c programming going on that I don't grasp?
>

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