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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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24
libguile/throw.c
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@ -68,19 +68,20 @@
/* the jump buffer data structure */
static int scm_tc16_jmpbuffer;
#define SCM_JMPBUFP(O) (SCM_NIMP(O) && (SCM_TYP16(O) == scm_tc16_jmpbuffer))
#define JBACTIVE(O) (SCM_CAR (O) & (1L << 16L))
#define ACTIVATEJB(O) (SCM_SETOR_CAR (O, (1L << 16L)))
#define DEACTIVATEJB(O) (SCM_SETAND_CAR (O, ~(1L << 16L)))
#define SCM_JMPBUFP(OBJ) (SCM_NIMP(OBJ) && (SCM_TYP16(OBJ) == scm_tc16_jmpbuffer))
#define JBACTIVE(OBJ) (SCM_CARW (OBJ) & (1L << 16L))
#define ACTIVATEJB(OBJ) (SCM_SETOR_CAR (OBJ, (1L << 16L)))
#define DEACTIVATEJB(OBJ) (SCM_SETAND_CAR (OBJ, ~(1L << 16L)))
#ifndef DEBUG_EXTENSIONS
#define JBJMPBUF(O) ((jmp_buf*)SCM_CDR (O) )
#define JBJMPBUF(OBJ) ((jmp_buf*)SCM_CDR (OBJ) )
#define SETJBJMPBUF SCM_SETCDR
#else
#define SCM_JBDFRAME(O) ((scm_debug_frame*)SCM_CAR (SCM_CDR (O)) )
#define JBJMPBUF(O) ((jmp_buf*)SCM_CDR (SCM_CDR (O)) )
#define SCM_SETJBDFRAME(O,X) SCM_SETCAR (SCM_CDR (O), (SCM)(X))
#define SETJBJMPBUF(O,X) SCM_SETCDR(SCM_CDR (O), X)
#define SCM_JBDFRAME(OBJ) ((scm_debug_frame*)SCM_CAR (SCM_CDR (OBJ)) )
#define JBJMPBUF(OBJ) ((jmp_buf*)SCM_CDR (SCM_CDR (OBJ)) )
#define SCM_SETJBDFRAME(OBJ,X) SCM_SETCAR (SCM_CDR (OBJ), (SCM)(X))
#define SETJBJMPBUF(OBJ,X) SCM_SETCDR(SCM_CDR (OBJ), X)
static scm_sizet
freejb (SCM jbsmob)
@ -95,7 +96,8 @@ printjb (SCM exp, SCM port, scm_print_state *pstate)
{
scm_puts ("#<jmpbuffer ", port);
scm_puts (JBACTIVE(exp) ? "(active) " : "(inactive) ", port);
scm_intprint((SCM) JBJMPBUF(exp), 16, port);
scm_intprint(SCM_ASWORD ( JBJMPBUF(exp) ), 16, port);
scm_putc ('>', port);
return 1 ;
}
@ -274,7 +276,7 @@ make_lazy_catch (struct lazy_catch *c)
}
#define SCM_LAZY_CATCH_P(obj) \
(SCM_NIMP (obj) && (SCM_CAR (obj) == tc16_lazy_catch))
(SCM_NIMP (obj) && (SCM_CARW (obj) == tc16_lazy_catch))
/* Exactly like scm_internal_catch, except: