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bug#8751: 24.0.50; CCL is broken

From: Kazuhiro Ito
Subject: bug#8751: 24.0.50; CCL is broken
Date: Mon, 30 May 2011 22:09:30 +0900
User-agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.6 (Maruoka) FLIM/1.14.9 (Goj┼Ź) APEL/10.8 EasyPG/1.0.0 Emacs/23.3.50 (i386-mingw-nt6.1.7601) MULE/6.0 (HANACHIRUSATO)

The problem may be that ccl-compiler produce negative integer as CCL
code (at latest, since Emacs21).

 '(1 (loop
      (read r0)
      (write-repeat r0))))

-> [1 4 14 -506 22]

But the document of ccl.c says "CCL code is a sequence of 28-bit
non-negative integers", and current ccl.c does not accept such
negative value.  I don't know which whould be changed, ccl-compiler or
document and current ccl.c.

Kazuhiro Ito wrote:
> Below code raises error "Error in CCL program at 4th code" on trunk.
> (progn
>   (define-ccl-program ccl-test
>     '(1 (loop
>        (read r0)
>        (write-repeat r0))))
>   (ccl-execute-on-string 'ccl-test (make-vector 9 0) "_"))

Kazuhiro Ito

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