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[Chicken-users] Re: obscure error message after refactoring

From: Alan Post
Subject: [Chicken-users] Re: obscure error message after refactoring
Date: Thu, 20 Jan 2011 08:46:16 -0700

On Thu, Jan 20, 2011 at 06:58:27AM -0700, Alan Post wrote:
> I've been refactoring the interface between 3 of the subsystems in
> my egg, genturfa'i.  I've made a ton of changes to the code, and
> am at the point where I'm ready to compile everything and figure
> out what is broken.  I run chicken-install -s, and as it tries
> to compile my library, gives me the following error:
>   Error: (caddr) bad argument type: *
>           Call history:
>           <syntax>          (##core#begin (define genturfahi-version-major 0) 
> (define genturfahi-version-minor 0) (define gentur......
>           <syntax>          (define genturfahi-version-major 0)
>           <syntax>          (##core#set! genturfahi-version-major 0)
>           <syntax>          (define genturfahi-version-minor 0)
>           <syntax>          (##core#set! genturfahi-version-minor 0)
>           <syntax>          (define genturfahi-version-patch 1)
>           <syntax>          (##core#set! genturfahi-version-patch 1)
>           <syntax>          (define genturfahi-version "trunk")
>           <syntax>          (##core#set! genturfahi-version "trunk")
>           <syntax>          (##core#undefined)    <--
>   Error: shell command terminated with non-zero exit status 17920:
>   /opt/chicken-master/bin/chicken chicken-ext.scm -output-file
>   genturfahi.c -dynamic -feature chicken-compile-shared -feature
>   compiling-extension -setup-mode -debug-level 2 -emit-import-library
>   genturfahi
> I don't have an explicit call to caddr anywhere in my code, and I
> believe the following line:
>           <syntax>          (##core#set! genturfahi-version "trunk")
> Refers to the last line in the last file of my library.
> I've been looking over diffs trying to see if I've introduced a
> subtle scope or syntax error somewhere, but I'm not having much
> luck.
> What do I do with an error message like the one above?  It isn't
> obvious to me where I need to look to fix the problem.

I've narrowed this down to any of the four uses of |match| I now
have in my code.  I don't understand yet why it is giving me this
error message, but debugging one pattern in four functions feels
less burdensome that looking for a misplaced token somewhere in the

.i ko djuno fi le do sevzi

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