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* tags.h: Update tag system docs.

Browse source 
(scm_tc3_cons_gloc): Renamed to scm_tc3_struct.  Changed all uses.
(scm_tcs_cons_gloc): Renamed to scm_tcs_struct.  Changed all uses.
(SCM_ECONSP, SCM_NECONSP): Removed.  Changed all uses to SCM_CONSP
or SCM_NCONSP, respectively.

* struct.c, struct.h, srcprop.c, procs.c, procprop.c, print.c,
objects.c. modules.c, goops.c, eval.c, debug.c: Changed all uses
of scm_tc3_cond_gloc and scm_tcs_cons_gloc.  See above.

* print.c (scm_iprin1): Remove printing of glocs.  Do not try to
tell glocs from structs.

* gc.c (scm_gc_mark, scm_gc_sweep): Remove handling of glocs.

* eval.c (scm_m_atbind): Make a list of variables, not glocs.
(scm_ceval, scm_deval): For SCM_IM_BIND, fiddle with variables
instead of with glocs.
(EVALCAR): Do not test for glocs.
(scm_lookupcar, scm_lookupcar1): Do not handle glocs in race
condition.
(scm_unmemocar): Do not handle glocs.
(scm_m_atfop): Memoize as a variable, not as a gloc.
(scm_eval_args, scm_deval_args): Do not handle glocs.
(scm_ceval, scm_deval): Likewise.

* eval.h (SCM_XEVALCAR): Do not test for glocs.
(SCM_GLOC_VAR, SCM_GLOC_VAL, SCM_GLOC_SET_VAL, SCM_GLOC_VAL_LOC):
Removed.

* debug.h, debug.c (scm_make_gloc, scm_gloc_p): Removed.

* dynwind.c (scm_swap_bindings): Likewise.
(scm_dowinds): Updated to recognize lists of variables instead of
lists of glocs.

* __scm.h (SCM_CAUTIOS, SCM_RECKLESS): Update comments.
This commit is contained in:
Marius Vollmer 2001-07-26 21:40:18 +00:00
parent 5b54c4daa1
commit 904a077df1
17 changed files with 201 additions and 391 deletions
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7
libguile/struct.h
View file

@ -63,7 +63,7 @@
#define scm_struct_i_size -1 /* Instance size */
#define scm_struct_i_flags -1 /* Upper 12 bits used as flags */
#define scm_vtable_index_layout 0 /* A symbol describing the physical arrangement of this type. */
#define scm_vtable_index_vcell 1 /* An opaque word, managed by the garbage collector. */
#define scm_vtable_index_vcell 1 /* XXX - remove this, it is unused. */
#define scm_vtable_index_vtable 2 /* A pointer to the handle for this vtable. */
#define scm_vtable_index_printer 3 /* A printer for this struct type. */
#define scm_vtable_offset_user 4 /* Where do user fields start? */
@ -75,10 +75,9 @@ typedef size_t (*scm_t_struct_free) (scm_t_bits * vtable, scm_t_bits * data);
#define SCM_STRUCTF_LIGHT (1L << 31) /* Light representation
(no hidden words) */
/* Dirk:FIXME:: the SCM_STRUCTP predicate is also fulfilled for glocs */
#define SCM_STRUCTP(X) (SCM_NIMP(X) && (SCM_TYP3(X) == scm_tc3_cons_gloc))
#define SCM_STRUCTP(X) (SCM_NIMP(X) && (SCM_TYP3(X) == scm_tc3_struct))
#define SCM_STRUCT_DATA(X) ((scm_t_bits *) SCM_CELL_WORD_1 (X))
#define SCM_STRUCT_VTABLE_DATA(X) ((scm_t_bits *) (SCM_CELL_WORD_0 (X) - scm_tc3_cons_gloc))
#define SCM_STRUCT_VTABLE_DATA(X) ((scm_t_bits *) (SCM_CELL_WORD_0 (X) - scm_tc3_struct))
#define SCM_STRUCT_LAYOUT(X) (SCM_PACK (SCM_STRUCT_VTABLE_DATA (X) [scm_vtable_index_layout]))
#define SCM_SET_STRUCT_LAYOUT(X, v) (SCM_STRUCT_VTABLE_DATA (X) [scm_vtable_index_layout] = SCM_UNPACK (v))