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Give multiple-values objects a tc7

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* libguile/scm.h (scm_tc7_values): New tc7.  Never seen by Scheme, so we
  don't need to update it anywhere else.
* libguile/values.h (scm_is_values): New public static inline function.
  (scm_i_nvalues, scm_i_value_ref): New private static inline
  functions.
  (SCM_VALUESP): Use scm_is_value.
  (scm_values_2, scm_values_3): New functions.
  (scm_values_vtable): Remove; values objects are not structs any more.
* libguile/values.c (scm_i_extract_values_2): Adapt to new values
  representation.
  (print_values): Remove now-unused function.
  (scm_c_nvalues): Use scm_i_nvalues.
  (scm_c_value_ref): Use scm_i_value_ref.
  (scm_values, scm_c_values): Make the new-style objects, which store
  their values inline.
  (scm_values_2, scm_values_3): New helpers, to avoid consing little
  useless lists.
* libguile/vm-engine.c (halt, subr-call)
* libguile/eval.c (eval): Adapt to new values representation.
* libguile/i18n.c (scm_locale_string_to_integer)
  (scm_locale_string_to_integer)
* libguile/numbers.c (scm_i_floor_divide, scm_i_ceiling_divide)
  (scm_i_truncate_divide, scm_i_centered_divide, scm_i_round_divide)
  (scm_i_exact_integer_sqrt)
* libguile/r6rs-ports.c (make_bytevector_output_port)
* libguile/srfi-1.c (scm_srfi1_partition, scm_srfi1_partition_x)
* libguile/srfi-14.c (scm_char_set_diff_plus_intersection)
  (scm_char_set_diff_plus_intersection_x)
* libguile/posix.c (scm_getrlimit, scm_open_process): Adapt to use
  scm_values_2 or scm_values_3.
* libguile/print.c (iprin1): Add printer for values objects.
This commit is contained in:
Andy Wingo 2018-06-25 15:49:34 +02:00
parent 08bf4aba30
commit 4a2d78b4d4
12 changed files with 123 additions and 98 deletions
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9
libguile/srfi-1.c
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@ -818,12 +818,7 @@ SCM_DEFINE (scm_srfi1_partition, "partition", 2, 0, 0,
dropped_tail = new_tail;
}
}
/* re-use the initial conses for the values list */
SCM_SETCAR(kept, SCM_CDR(kept));
SCM_SETCDR(kept, dropped);
SCM_SETCAR(dropped, SCM_CDR(dropped));
SCM_SETCDR(dropped, SCM_EOL);
return scm_values(kept);
return scm_values_2 (SCM_CDR (kept), SCM_CDR (dropped));
}
#undef FUNC_NAME
@ -877,7 +872,7 @@ SCM_DEFINE (scm_srfi1_partition_x, "partition!", 2, 0, 0,
*tp = SCM_EOL;
*fp = SCM_EOL;
return scm_values (scm_list_2 (tlst, flst));
return scm_values_2 (tlst, flst);
}
#undef FUNC_NAME