CHICKEN Scheme

Metadata

Id: 90b77e17874dfb80e7dd3403666f734a3d2cc2b9
Trac id: 1195
Type: defect
Reporter: sjamaan
Owner: sjamaan
Cc:
Status: closed
Component: unknown
Estimated difficulty:
Resolution: fixed
Priority: major
Milestone: 5.0
Version:
Changetime: 2015-09-06 16:41:47 UTC
Created: 2015-06-18 21:08:41 UTC
Keywords:

Description

$ csi

 CHICKEN
 (c) 2008-2015, The CHICKEN Team
 (c) 2000-2007, Felix L. Winkelmann
 Version 4.9.1 (rev 1ae3dc1)
 linux-unix-gnu-x86-64 [ 64bit manyargs dload ptables ]
 compiled 2015-06-13 on yves.more-magic.net (Linux)
 
 #;1> (##sys#quit-hook)
 
 Error: bad argument count - received 0 but expected 1: #<procedure (f_10510 result2568)>
 
         Call history:
 
         csi.scm:416: ##sys#call-with-values       
         csi.scm:416: eval         
         <syntax>          (##sys#quit-hook)
         <eval>    (##sys#quit-hook)     <--
 #;1>

This seems to have something to do with the set! call on line 1098: it is overriding ##sys#quit-hook with a procedure that has an incompatible signature. However, this is not the most important part: the important part is that this override is not picked up at the call site.

Maybe this'll get fixed with #1131

Changes and comments

[2015-06-18 21:15:20 UTC] sjamaan wrote:

Stranger still:

 CHICKEN
 (c) 2008-2014, The Chicken Team
 (c) 2000-2007, Felix L. Winkelmann
 Version 4.9.0.1 (stability/4.9.0) (rev 8b3189b)
 linux-unix-gnu-x86-64 [ 64bit manyargs dload ptables ]
 bootstrapped 2014-06-07
 
 #;1> (##sys#quit-hook)
 
 Error: bad argument count - received 0 but expected 1: #<procedure (f_10505 result2553)>
 
         Call history:
 
         <syntax>          (##sys#quit-hook)
         <eval>    (##sys#quit-hook)     <--
 #;1> ,q ;; this works!

If the global procedure is overwritten, why does this give an error message even in CHICKEN 4.9?

[2015-06-18 21:16:46 UTC] sjamaan wrote:

Eek, in eval.scm there's a dynamic-wind that's messing with ##sys#quit-hook

[2015-09-06 16:41:47 UTC] sjamaan changed status from new to closed

[2015-09-06 16:41:47 UTC] sjamaan set resolution to fixed

[2015-09-06 16:41:47 UTC] sjamaan wrote:

Fixed with c0395ce2 for CHICKEN 5, and I'm not asking any more questions about how weird this is in CHICKEN 4 ;)

Summary