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*.[ch]: make a distinction between SCM as a generic

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name for a Scheme object (now a void*), and SCM as 32 bit word for
storing tags and immediates (now a long int).  Introduced
SCM_ASWORD and SCM_ASSCM for conversion. Fixed various dubious
code in the process: arbiter.c (use macros), unif.c (scm_array_p),
This commit is contained in:
Greg J. Badros 2000-03-09 18:58:58 +00:00
parent df8bb2dc39
commit c209c88e54
53 changed files with 1371 additions and 1361 deletions
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5
libguile/tag.c
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@ -105,9 +105,8 @@ SCM_DEFINE (scm_tag, "tag", 1, 0, 0,
return SCM_CDR (scm_utag_immediate_char) ;
else
{
int tag;
tag = SCM_MAKINUM ((x >> 8) & 0xff);
return SCM_MAKINUM (SCM_INUM (SCM_CDR (scm_utag_flag_base) ) | (tag << 8));
SCM tag = SCM_MAKINUM ((SCM_ASWORD (x) >> 8) & 0xff);
return SCM_MAKINUM (SCM_INUM (SCM_CDR (scm_utag_flag_base) ) | (SCM_ASWORD (tag) << 8));
}
case scm_tc3_cons: