-/* Copyright (C) 1995,1996,1998,2000,2001, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1995,1996,1998,2000,2001,2003,2004 Free Software Foundation, Inc.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
- * Boston, MA 02111-1307 USA
- *
- * As a special exception, the Free Software Foundation gives permission
- * for additional uses of the text contained in its release of GUILE.
- *
- * The exception is that, if you link the GUILE library with other files
- * to produce an executable, this does not by itself cause the
- * resulting executable to be covered by the GNU General Public License.
- * Your use of that executable is in no way restricted on account of
- * linking the GUILE library code into it.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
- *
- * This exception applies only to the code released by the
- * Free Software Foundation under the name GUILE. If you copy
- * code from other Free Software Foundation releases into a copy of
- * GUILE, as the General Public License permits, the exception does
- * not apply to the code that you add in this way. To avoid misleading
- * anyone as to the status of such modified files, you must delete
- * this exception notice from them.
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
*
- * If you write modifications of your own for GUILE, it is your choice
- * whether to permit this exception to apply to your modifications.
- * If you do not wish that, delete this exception notice. */
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
\f
#include "libguile/smob.h"
#include "libguile/root.h"
#include "libguile/vectors.h"
+#include "libguile/hashtab.h"
#include "libguile/validate.h"
#include "libguile/procprop.h"
case scm_tc7_subr_2o:
o = 1;
case scm_tc7_subr_1:
+ case scm_tc7_dsubr:
case scm_tc7_cxr:
a += 1;
break;
return SCM_BOOL_F;
}
case scm_tc7_cclo:
- if (SCM_EQ_P (SCM_CCLO_SUBR (proc), scm_f_gsubr_apply))
+ if (scm_is_eq (SCM_CCLO_SUBR (proc), scm_f_gsubr_apply))
{
- int type = SCM_INUM (SCM_GSUBR_TYPE (proc));
+ int type = scm_to_int (SCM_GSUBR_TYPE (proc));
a += SCM_GSUBR_REQ (type);
o = SCM_GSUBR_OPT (type);
r = SCM_GSUBR_REST (type);
goto loop;
case scm_tcs_closures:
proc = SCM_CLOSURE_FORMALS (proc);
- if (SCM_NULLP (proc))
+ if (scm_is_null (proc))
break;
- while (SCM_CONSP (proc))
+ while (scm_is_pair (proc))
{
++a;
proc = SCM_CDR (proc);
}
- if (!SCM_NULLP (proc))
+ if (!scm_is_null (proc))
r = 1;
break;
case scm_tcs_struct:
default:
return SCM_BOOL_F;
}
- return scm_list_3 (SCM_MAKINUM (a), SCM_MAKINUM (o), SCM_BOOL(r));
+ return scm_list_3 (scm_from_int (a), scm_from_int (o), scm_from_bool(r));
}
+/* XXX - instead of using a stand-in value for everything except
+ closures, we should find other ways to store the procedure
+ properties for those other kinds of procedures. For example, subrs
+ have their own property slot, which is unused at present.
+*/
+
static SCM
scm_stand_in_scm_proc(SCM proc)
{
- SCM answer;
- answer = scm_assq (proc, scm_stand_in_procs);
- if (SCM_FALSEP (answer))
+ SCM handle, answer;
+ handle = scm_hashq_get_handle (scm_stand_in_procs, proc);
+ if (scm_is_false (handle))
{
answer = scm_closure (scm_list_2 (SCM_EOL, SCM_BOOL_F), SCM_EOL);
- scm_stand_in_procs = scm_acons (proc, answer, scm_stand_in_procs);
+ scm_hashq_set_x (scm_stand_in_procs, proc, answer);
}
else
- answer = SCM_CDR (answer);
+ answer = SCM_CDR (handle);
return answer;
}
#define FUNC_NAME s_scm_procedure_property
{
SCM assoc;
- if (SCM_EQ_P (k, scm_sym_arity))
+ if (scm_is_eq (k, scm_sym_arity))
{
SCM arity;
- SCM_ASSERT (SCM_NFALSEP (arity = scm_i_procedure_arity (p)),
+ SCM_ASSERT (scm_is_true (arity = scm_i_procedure_arity (p)),
p, SCM_ARG1, FUNC_NAME);
return arity;
}
if (!SCM_CLOSUREP (p))
p = scm_stand_in_scm_proc(p);
SCM_VALIDATE_CLOSURE (1, p);
- if (SCM_EQ_P (k, scm_sym_arity))
+ if (scm_is_eq (k, scm_sym_arity))
SCM_MISC_ERROR ("arity is a read-only property", SCM_EOL);
assoc = scm_sloppy_assq (k, SCM_PROCPROPS (p));
if (SCM_NIMP (assoc))