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Code Activity

Merge branch 'boehm-demers-weiser-gc' into bdw-gc-static-alloc

Browse source 
Conflicts:
	libguile/procs.h
This commit is contained in:
Ludovic Courtès 2009-03-16 18:39:16 +01:00
commit a4167c920a
27 changed files with 519 additions and 385 deletions
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1
benchmark-suite/Makefile.am
View file

@ -3,6 +3,7 @@ SCM_BENCHMARKS = benchmarks/0-reference.bm \
benchmarks/if.bm \
benchmarks/logand.bm \
benchmarks/read.bm \
benchmarks/subr.bm \
benchmarks/uniform-vector-read.bm
EXTRA_DIST = guile-benchmark lib.scm $(SCM_BENCHMARKS) \

66
benchmark-suite/benchmarks/subr.bm Normal file
View file

@ -0,0 +1,66 @@
;;; subr.bm --- Measure the subr invocation cost. -*- Scheme -*-
;;;
;;; Copyright (C) 2009 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., 51 Franklin Street, Fifth Floor,
;;; Boston, MA 02110-1301 USA
(define-module (benchmarks subrs)
:use-module (benchmark-suite lib))
(define hook1 (make-hook 1))
(define hook3 (make-hook 3))
(with-benchmark-prefix "subr invocation"
(benchmark "simple subr" 700000
;; 1 required argument, 0 optional arguments, no rest.
(1+ 0))
(benchmark "generic subr" 700000
;; 2 required arguments, 4 optional arguments, no rest.
;; In Guile 1.8 and earlier, such subrs are implemented as "compiled
;; closures" (cclos). There, when a cclo/gsubr is called, the evaluator
;; goes through `SCM_APPLY ()' and conses the arguments, which is more
;; costly than the invocation of a "simple subr".
(string= "foo" "bar"))
(benchmark "generic subr with rest arg" 700000
;; 1 required argument, 0 optional arguments, 1 rest.
(run-hook hook1 1))
(benchmark "generic subr with rest arg and 3+ parameters" 700000
;; 1 required argument, 0 optional arguments, 1 rest.
;; The evaluator considers calls with 3 and more parameters as a general
;; form and always stores the arguments into a list.
(run-hook hook3 1 2 3)))
(with-benchmark-prefix "subr application"
(benchmark "simple subr" 700000
(apply 1+ '(0)))
(benchmark "generic subr" 700000
(apply string= "foo" '("bar")))
(benchmark "generic subr with rest arg" 700000
(apply run-hook hook1 '(1)))
(benchmark "generic subr with rest arg and 3+ parameters" 700000
(run-hook hook3 1 2 '(3))))

3
configure.in
View file

@ -1565,9 +1565,6 @@ AC_CONFIG_FILES([
ice-9/debugger/Makefile
ice-9/debugging/Makefile
lang/Makefile
lang/elisp/Makefile
lang/elisp/internals/Makefile
lang/elisp/primitives/Makefile
libguile/Makefile
oop/Makefile
oop/goops/Makefile

48
lang/Makefile.am
View file

@ -1,6 +1,6 @@
## Process this file with automake to produce Makefile.in.
##
## Copyright (C) 2000, 2006 Free Software Foundation, Inc.
## Copyright (C) 2000, 2006, 2009 Free Software Foundation, Inc.
##
## This file is part of GUILE.
##
@ -21,4 +21,48 @@
AUTOMAKE_OPTIONS = gnu
SUBDIRS = elisp
# These should be installed and distributed.
elisp_sources = \
elisp/base.scm \
elisp/example.el \
elisp/interface.scm \
elisp/transform.scm \
elisp/variables.scm \
\
elisp/primitives/buffers.scm \
elisp/primitives/char-table.scm \
elisp/primitives/features.scm \
elisp/primitives/fns.scm \
elisp/primitives/format.scm \
elisp/primitives/guile.scm \
elisp/primitives/keymaps.scm \
elisp/primitives/lists.scm \
elisp/primitives/load.scm \
elisp/primitives/match.scm \
elisp/primitives/numbers.scm \
elisp/primitives/pure.scm \
elisp/primitives/read.scm \
elisp/primitives/signal.scm \
elisp/primitives/strings.scm \
elisp/primitives/symprop.scm \
elisp/primitives/syntax.scm \
elisp/primitives/system.scm \
elisp/primitives/time.scm \
\
elisp/internals/evaluation.scm \
elisp/internals/format.scm \
elisp/internals/fset.scm \
elisp/internals/lambda.scm \
elisp/internals/load.scm \
elisp/internals/null.scm \
elisp/internals/set.scm \
elisp/internals/signal.scm \
elisp/internals/time.scm \
elisp/internals/trace.scm
subpkgdatadir = $(pkgdatadir)/$(GUILE_EFFECTIVE_VERSION)/lang
nobase_subpkgdata_DATA = $(elisp_sources)
TAGS_FILES = $(nobase_subpkgdata_DATA)
EXTRA_DIST = $(elisp_sources) elisp/ChangeLog-2008

39
lang/elisp/Makefile.am
View file

@ -1,39 +0,0 @@
## Process this file with automake to produce Makefile.in.
##
## Copyright (C) 1998, 1999, 2000, 2001, 2004, 2006, 2008 Free Software Foundation, Inc.
##
## This file is part of GUILE.
##
## GUILE 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.
##
## GUILE 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 GUILE; see the file COPYING. If not, write
## to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
## Floor, Boston, MA 02110-1301 USA
AUTOMAKE_OPTIONS = gnu
SUBDIRS = internals primitives
# These should be installed and distributed.
elisp_sources = \
base.scm \
example.el \
interface.scm \
transform.scm \
variables.scm
subpkgdatadir = $(pkgdatadir)/$(GUILE_EFFECTIVE_VERSION)/lang/elisp
subpkgdata_DATA = $(elisp_sources)
TAGS_FILES = $(subpkgdata_DATA)
EXTRA_DIST = $(elisp_sources) ChangeLog-2008

42
lang/elisp/internals/Makefile.am
View file

@ -1,42 +0,0 @@
## Process this file with automake to produce Makefile.in.
##
## Copyright (C) 1998, 1999, 2000, 2001, 2004, 2006 Free Software Foundation, Inc.
##
## This file is part of GUILE.
##
## GUILE 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.
##
## GUILE 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 GUILE; see the file COPYING. If not, write
## to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
## Floor, Boston, MA 02110-1301 USA
AUTOMAKE_OPTIONS = gnu
# These should be installed and distributed.
elisp_sources = \
evaluation.scm \
format.scm \
fset.scm \
lambda.scm \
load.scm \
null.scm \
set.scm \
signal.scm \
time.scm \
trace.scm
subpkgdatadir = $(pkgdatadir)/$(GUILE_EFFECTIVE_VERSION)/lang/elisp/internals
subpkgdata_DATA = $(elisp_sources)
TAGS_FILES = $(subpkgdata_DATA)
EXTRA_DIST = $(elisp_sources)

51
lang/elisp/primitives/Makefile.am
View file

@ -1,51 +0,0 @@
## Process this file with automake to produce Makefile.in.
##
## Copyright (C) 1998, 1999, 2000, 2001, 2004, 2006 Free Software Foundation, Inc.
##
## This file is part of GUILE.
##
## GUILE 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.
##
## GUILE 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 GUILE; see the file COPYING. If not, write
## to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
## Floor, Boston, MA 02110-1301 USA
AUTOMAKE_OPTIONS = gnu
# These should be installed and distributed.
elisp_sources = \
buffers.scm \
char-table.scm \
features.scm \
fns.scm \
format.scm \
guile.scm \
keymaps.scm \
lists.scm \
load.scm \
match.scm \
numbers.scm \
pure.scm \
read.scm \
signal.scm \
strings.scm \
symprop.scm \
syntax.scm \
system.scm \
time.scm
subpkgdatadir = $(pkgdatadir)/$(GUILE_EFFECTIVE_VERSION)/lang/elisp/primitives
subpkgdata_DATA = $(elisp_sources)
TAGS_FILES = $(subpkgdata_DATA)
EXTRA_DIST = $(elisp_sources)

2
libguile/__scm.h
View file

@ -150,8 +150,6 @@
*/
#define CCLO
/* Guile Scheme supports the #f/() distinction; Guile Lisp won't. We
have horrible plans for their unification. */
#undef SICP

8
libguile/debug.c
View file

@ -1,5 +1,5 @@
/* Debugging extensions for Guile
* Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2002, 2003, 2006, 2008 Free Software Foundation
* Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2002, 2003, 2006, 2008, 2009 Free Software Foundation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -352,9 +352,6 @@ SCM_DEFINE (scm_procedure_source, "procedure-source", 1, 0, 0,
if (!SCM_SMOB_DESCRIPTOR (proc).apply)
break;
case scm_tcs_subrs:
#ifdef CCLO
case scm_tc7_cclo:
#endif
procprop:
/* It would indeed be a nice thing if we supplied source even for
built in procedures! */
@ -385,9 +382,6 @@ SCM_DEFINE (scm_procedure_environment, "procedure-environment", 1, 0, 0,
case scm_tcs_closures:
return SCM_ENV (proc);
case scm_tcs_subrs:
#ifdef CCLO
case scm_tc7_cclo:
#endif
return SCM_EOL;
default:
SCM_WRONG_TYPE_ARG (1, proc);

8
libguile/eval.c
View file

@ -1,4 +1,4 @@
/* Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006,2007,2008
/* Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009
* Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
@ -3243,7 +3243,7 @@ scm_trampoline_0 (SCM proc)
break;
case scm_tc7_asubr:
case scm_tc7_rpsubr:
case scm_tc7_cclo:
case scm_tc7_gsubr:
case scm_tc7_pws:
trampoline = scm_call_0;
break;
@ -3369,7 +3369,7 @@ scm_trampoline_1 (SCM proc)
break;
case scm_tc7_asubr:
case scm_tc7_rpsubr:
case scm_tc7_cclo:
case scm_tc7_gsubr:
case scm_tc7_pws:
trampoline = scm_call_1;
break;
@ -3463,7 +3463,7 @@ scm_trampoline_2 (SCM proc)
else
return NULL;
break;
case scm_tc7_cclo:
case scm_tc7_gsubr:
case scm_tc7_pws:
trampoline = scm_call_2;
break;

56
libguile/eval.i.c
View file

@ -1,7 +1,7 @@
/*
* eval.i.c - actual evaluator code for GUILE
*
* Copyright (C) 2002, 03, 04, 05, 06, 07 Free Software Foundation, Inc.
* Copyright (C) 2002, 03, 04, 05, 06, 07, 09 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -1124,14 +1124,12 @@ dispatch:
if (!SCM_SMOB_APPLICABLE_P (proc))
goto badfun;
RETURN (SCM_SMOB_APPLY_0 (proc));
case scm_tc7_cclo:
arg1 = proc;
proc = SCM_CCLO_SUBR (proc);
case scm_tc7_gsubr:
#ifdef DEVAL
debug.info->a.proc = proc;
debug.info->a.args = scm_list_1 (arg1);
debug.info->a.args = SCM_EOL;
#endif
goto evap1;
RETURN (scm_i_gsubr_apply (proc, SCM_UNDEFINED));
case scm_tc7_pws:
proc = SCM_PROCEDURE (proc);
#ifdef DEVAL
@ -1245,15 +1243,12 @@ dispatch:
if (!SCM_SMOB_APPLICABLE_P (proc))
goto badfun;
RETURN (SCM_SMOB_APPLY_1 (proc, arg1));
case scm_tc7_cclo:
arg2 = arg1;
arg1 = proc;
proc = SCM_CCLO_SUBR (proc);
case scm_tc7_gsubr:
#ifdef DEVAL
debug.info->a.args = scm_cons (arg1, debug.info->a.args);
debug.info->a.proc = proc;
#endif
goto evap2;
RETURN (scm_i_gsubr_apply (proc, arg1, SCM_UNDEFINED));
case scm_tc7_pws:
proc = SCM_PROCEDURE (proc);
#ifdef DEVAL
@ -1350,20 +1345,11 @@ dispatch:
if (!SCM_SMOB_APPLICABLE_P (proc))
goto badfun;
RETURN (SCM_SMOB_APPLY_2 (proc, arg1, arg2));
cclon:
case scm_tc7_cclo:
case scm_tc7_gsubr:
#ifdef DEVAL
RETURN (SCM_APPLY (SCM_CCLO_SUBR (proc),
scm_cons (proc, debug.info->a.args),
SCM_EOL));
RETURN (scm_i_gsubr_apply_list (proc, debug.info->a.args));
#else
RETURN (SCM_APPLY (SCM_CCLO_SUBR (proc),
scm_cons2 (proc, arg1,
scm_cons (arg2,
scm_ceval_args (x,
env,
proc))),
SCM_EOL));
RETURN (scm_i_gsubr_apply (proc, arg1, arg2, SCM_UNDEFINED));
#endif
case scm_tcs_struct:
if (SCM_OBJ_CLASS_FLAGS (proc) & SCM_CLASSF_PURE_GENERIC)
@ -1492,8 +1478,8 @@ dispatch:
goto badfun;
RETURN (SCM_SMOB_APPLY_3 (proc, arg1, arg2,
SCM_CDDR (debug.info->a.args)));
case scm_tc7_cclo:
goto cclon;
case scm_tc7_gsubr:
RETURN (scm_i_gsubr_apply_list (proc, debug.info->a.args));
case scm_tc7_pws:
proc = SCM_PROCEDURE (proc);
debug.info->a.proc = proc;
@ -1555,8 +1541,16 @@ dispatch:
goto badfun;
RETURN (SCM_SMOB_APPLY_3 (proc, arg1, arg2,
scm_ceval_args (x, env, proc)));
case scm_tc7_cclo:
goto cclon;
case scm_tc7_gsubr:
if (scm_is_null (SCM_CDR (x)))
/* 3 arguments */
RETURN (scm_i_gsubr_apply (proc, arg1, arg2, EVALCAR (x, env),
SCM_UNDEFINED));
else
RETURN (scm_i_gsubr_apply_list (proc,
scm_cons2 (arg1, arg2,
scm_ceval_args (x, env,
proc))));
case scm_tc7_pws:
proc = SCM_PROCEDURE (proc);
if (!SCM_CLOSUREP (proc))
@ -1867,19 +1861,15 @@ tail:
RETURN (SCM_SMOB_APPLY_2 (proc, arg1, SCM_CAR (args)));
else
RETURN (SCM_SMOB_APPLY_3 (proc, arg1, SCM_CAR (args), SCM_CDR (args)));
case scm_tc7_cclo:
case scm_tc7_gsubr:
#ifdef DEVAL
args = (SCM_UNBNDP(arg1) ? SCM_EOL : debug.vect[0].a.args);
arg1 = proc;
proc = SCM_CCLO_SUBR (proc);
debug.vect[0].a.proc = proc;
debug.vect[0].a.args = scm_cons (arg1, args);
#else
args = (SCM_UNBNDP(arg1) ? SCM_EOL : scm_cons (arg1, args));
arg1 = proc;
proc = SCM_CCLO_SUBR (proc);
#endif
goto tail;
RETURN (scm_i_gsubr_apply_list (proc, args));
case scm_tc7_pws:
proc = SCM_PROCEDURE (proc);
#ifdef DEVAL

3
libguile/evalext.c
View file

@ -1,4 +1,4 @@
/* Copyright (C) 1998,1999,2000,2001,2002,2003, 2006, 2008 Free Software Foundation, Inc.
/* Copyright (C) 1998,1999,2000,2001,2002,2003, 2006, 2008, 2009 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -106,7 +106,6 @@ SCM_DEFINE (scm_self_evaluating_p, "self-evaluating?", 1, 0, 0,
case scm_tc7_number:
case scm_tc7_string:
case scm_tc7_smob:
case scm_tc7_cclo:
case scm_tc7_pws:
case scm_tcs_subrs:
case scm_tcs_struct:

2
libguile/goops.c
View file

@ -233,7 +233,7 @@ SCM_DEFINE (scm_class_of, "class-of", 1, 0, 0,
return scm_class_primitive_generic;
else
return scm_class_procedure;
case scm_tc7_cclo:
case scm_tc7_gsubr:
return scm_class_procedure;
case scm_tc7_pws:
return scm_class_procedure_with_setter;

202
libguile/gsubr.c
View file

@ -21,6 +21,8 @@
#endif
#include <stdio.h>
#include <stdarg.h>
#include "libguile/_scm.h"
#include "libguile/procprop.h"
#include "libguile/root.h"
@ -40,11 +42,10 @@
SCM_GLOBAL_SYMBOL (scm_sym_name, "name");
SCM scm_f_gsubr_apply;
static SCM
create_gsubr (int define, const char *name,
int req, int opt, int rst, SCM (*fcn)())
unsigned int req, unsigned int opt, unsigned int rst,
SCM (*fcn) ())
{
SCM subr;
@ -52,53 +53,47 @@ create_gsubr (int define, const char *name,
{
case SCM_GSUBR_MAKTYPE(0, 0, 0):
subr = scm_c_make_subr (name, scm_tc7_subr_0, fcn);
goto create_subr;
break;
case SCM_GSUBR_MAKTYPE(1, 0, 0):
subr = scm_c_make_subr (name, scm_tc7_subr_1, fcn);
goto create_subr;
break;
case SCM_GSUBR_MAKTYPE(0, 1, 0):
subr = scm_c_make_subr (name, scm_tc7_subr_1o, fcn);
goto create_subr;
break;
case SCM_GSUBR_MAKTYPE(1, 1, 0):
subr = scm_c_make_subr (name, scm_tc7_subr_2o, fcn);
goto create_subr;
break;
case SCM_GSUBR_MAKTYPE(2, 0, 0):
subr = scm_c_make_subr (name, scm_tc7_subr_2, fcn);
goto create_subr;
break;
case SCM_GSUBR_MAKTYPE(3, 0, 0):
subr = scm_c_make_subr (name, scm_tc7_subr_3, fcn);
goto create_subr;
break;
case SCM_GSUBR_MAKTYPE(0, 0, 1):
subr = scm_c_make_subr (name, scm_tc7_lsubr, fcn);
goto create_subr;
break;
case SCM_GSUBR_MAKTYPE(2, 0, 1):
subr = scm_c_make_subr (name, scm_tc7_lsubr_2, fcn);
create_subr:
if (define)
scm_define (SCM_SNAME (subr), subr);
return subr;
break;
default:
{
SCM cclo = scm_makcclo (scm_f_gsubr_apply, 3L);
SCM subr = scm_c_make_subr (name, scm_tc7_subr_0, fcn);
SCM sym = SCM_SNAME (subr);
if (SCM_GSUBR_MAX < req + opt + rst)
{
fprintf (stderr,
"ERROR in scm_c_make_gsubr: too many args (%d) to %s\n",
req + opt + rst, name);
exit (1);
}
SCM_SET_GSUBR_PROC (cclo, subr);
SCM_SET_GSUBR_TYPE (cclo,
scm_from_int (SCM_GSUBR_MAKTYPE (req, opt, rst)));
if (SCM_REC_PROCNAMES_P)
scm_set_procedure_property_x (cclo, scm_sym_name, sym);
if (define)
scm_define (sym, cclo);
return cclo;
unsigned type;
type = SCM_GSUBR_MAKTYPE (req, opt, rst);
if (SCM_GSUBR_REQ (type) != req
|| SCM_GSUBR_OPT (type) != opt
|| SCM_GSUBR_REST (type) != rst)
scm_out_of_range ("create_gsubr", scm_from_uint (req + opt + rst));
subr = scm_c_make_subr (name, scm_tc7_gsubr | (type << 8U),
fcn);
}
}
if (define)
scm_define (SCM_SNAME (subr), subr);
return subr;
}
SCM
@ -184,26 +179,121 @@ scm_c_define_gsubr_with_generic (const char *name,
return create_gsubr_with_generic (1, name, req, opt, rst, fcn, gf);
}
SCM
scm_gsubr_apply (SCM args)
#define FUNC_NAME "scm_gsubr_apply"
/* Apply PROC, a gsubr, to the ARGC arguments in ARGV. ARGC is expected to
match the number of arguments of the underlying C function. */
static SCM
gsubr_apply_raw (SCM proc, unsigned int argc, const SCM *argv)
{
SCM (*fcn) ();
unsigned int type, argc_max;
type = SCM_GSUBR_TYPE (proc);
argc_max = SCM_GSUBR_REQ (type) + SCM_GSUBR_OPT (type)
+ SCM_GSUBR_REST (type);
if (SCM_UNLIKELY (argc != argc_max))
/* We expect the exact argument count. */
scm_wrong_num_args (SCM_SNAME (proc));
fcn = SCM_SUBRF (proc);
switch (argc)
{
case 0:
return (*fcn) ();
case 1:
return (*fcn) (argv[0]);
case 2:
return (*fcn) (argv[0], argv[1]);
case 3:
return (*fcn) (argv[0], argv[1], argv[2]);
case 4:
return (*fcn) (argv[0], argv[1], argv[2], argv[3]);
case 5:
return (*fcn) (argv[0], argv[1], argv[2], argv[3], argv[4]);
case 6:
return (*fcn) (argv[0], argv[1], argv[2], argv[3], argv[4], argv[5]);
case 7:
return (*fcn) (argv[0], argv[1], argv[2], argv[3], argv[4], argv[5],
argv[6]);
case 8:
return (*fcn) (argv[0], argv[1], argv[2], argv[3], argv[4], argv[5],
argv[6], argv[7]);
case 9:
return (*fcn) (argv[0], argv[1], argv[2], argv[3], argv[4], argv[5],
argv[6], argv[7], argv[8]);
case 10:
return (*fcn) (argv[0], argv[1], argv[2], argv[3], argv[4], argv[5],
argv[6], argv[7], argv[8], argv[9]);
default:
scm_misc_error ((char *) SCM_SNAME (proc),
"gsubr invocation with more than 10 arguments not implemented",
SCM_EOL);
}
return SCM_BOOL_F; /* Never reached. */
}
/* Apply PROC, a gsubr, to the given arguments. Missing optional arguments
are added, and rest arguments are turned into a list. */
SCM
scm_i_gsubr_apply (SCM proc, SCM arg, ...)
{
unsigned int type, argc, argc_max;
SCM *argv;
va_list arg_list;
type = SCM_GSUBR_TYPE (proc);
argc_max = SCM_GSUBR_REQ (type) + SCM_GSUBR_OPT (type);
argv = alloca ((argc_max + SCM_GSUBR_REST (type)) * sizeof (*argv));
va_start (arg_list, arg);
for (argc = 0;
!SCM_UNBNDP (arg) && argc < argc_max;
argc++, arg = va_arg (arg_list, SCM))
argv[argc] = arg;
if (SCM_UNLIKELY (argc < SCM_GSUBR_REQ (type)))
scm_wrong_num_args (SCM_SNAME (proc));
/* Fill in optional arguments that were not passed. */
while (argc < argc_max)
argv[argc++] = SCM_UNDEFINED;
if (SCM_GSUBR_REST (type))
{
/* Accumulate rest arguments in a list. */
SCM *rest_loc;
argv[argc_max] = SCM_EOL;
for (rest_loc = &argv[argc_max];
!SCM_UNBNDP (arg);
rest_loc = SCM_CDRLOC (*rest_loc), arg = va_arg (arg_list, SCM))
*rest_loc = scm_cons (arg, SCM_EOL);
argc = argc_max + 1;
}
va_end (arg_list);
return gsubr_apply_raw (proc, argc, argv);
}
/* Apply SELF, a gsubr, to the arguments listed in ARGS. Missing optional
arguments are added, and rest arguments are kept into a list. */
SCM
scm_i_gsubr_apply_list (SCM self, SCM args)
#define FUNC_NAME "scm_i_gsubr_apply"
{
SCM self = SCM_CAR (args);
SCM (*fcn)() = SCM_SUBRF (SCM_GSUBR_PROC (self));
SCM v[SCM_GSUBR_MAX];
int typ = scm_to_int (SCM_GSUBR_TYPE (self));
unsigned int typ = SCM_GSUBR_TYPE (self);
long i, n = SCM_GSUBR_REQ (typ) + SCM_GSUBR_OPT (typ) + SCM_GSUBR_REST (typ);
#if 0
if (n > SCM_GSUBR_MAX)
scm_misc_error (FUNC_NAME,
"Function ~S has illegal arity ~S.",
scm_list_2 (self, scm_from_int (n)));
#endif
args = SCM_CDR (args);
for (i = 0; i < SCM_GSUBR_REQ (typ); i++) {
if (scm_is_null (args))
scm_wrong_num_args (SCM_SNAME (SCM_GSUBR_PROC (self)));
scm_wrong_num_args (SCM_SNAME (self));
v[i] = SCM_CAR(args);
args = SCM_CDR(args);
}
@ -218,19 +308,9 @@ scm_gsubr_apply (SCM args)
if (SCM_GSUBR_REST(typ))
v[i] = args;
else if (!scm_is_null (args))
scm_wrong_num_args (SCM_SNAME (SCM_GSUBR_PROC (self)));
switch (n) {
case 2: return (*fcn)(v[0], v[1]);
case 3: return (*fcn)(v[0], v[1], v[2]);
case 4: return (*fcn)(v[0], v[1], v[2], v[3]);
case 5: return (*fcn)(v[0], v[1], v[2], v[3], v[4]);
case 6: return (*fcn)(v[0], v[1], v[2], v[3], v[4], v[5]);
case 7: return (*fcn)(v[0], v[1], v[2], v[3], v[4], v[5], v[6]);
case 8: return (*fcn)(v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7]);
case 9: return (*fcn)(v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[8]);
case 10: return (*fcn)(v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[8], v[9]);
}
return SCM_BOOL_F; /* Never reached. */
scm_wrong_num_args (SCM_SNAME (self));
return gsubr_apply_raw (self, n, v);
}
#undef FUNC_NAME
@ -259,8 +339,6 @@ gsubr_21l(SCM req1, SCM req2, SCM opt, SCM rst)
void
scm_init_gsubr()
{
scm_f_gsubr_apply = scm_c_make_subr ("gsubr-apply", scm_tc7_lsubr,
scm_gsubr_apply);
#ifdef GSUBR_TEST
scm_c_define_gsubr ("gsubr-2-1-l", 2, 1, 1, gsubr_21l); /* example */
#endif

19
libguile/gsubr.h
View file

@ -3,7 +3,7 @@
#ifndef SCM_GSUBR_H
#define SCM_GSUBR_H
/* Copyright (C) 1995,1996,1998,2000,2001, 2006, 2008 Free Software Foundation, Inc.
/* Copyright (C) 1995,1996,1998,2000,2001, 2006, 2008, 2009 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -26,19 +26,17 @@
/* Return an integer describing the arity of GSUBR, a subr of type
`scm_tc7_gsubr'. The result can be interpreted with `SCM_GSUBR_REQ ()'
and similar. */
#define SCM_GSUBR_TYPE(gsubr) (SCM_CELL_TYPE (gsubr) >> 8)
#define SCM_GSUBR_MAKTYPE(req, opt, rst) ((req)|((opt)<<4)|((rst)<<8))
#define SCM_GSUBR_MAX 33
#define SCM_GSUBR_REQ(x) ((long)(x)&0xf)
#define SCM_GSUBR_OPT(x) (((long)(x)&0xf0)>>4)
#define SCM_GSUBR_REST(x) ((long)(x)>>8)
#define SCM_GSUBR_MAX 10
#define SCM_GSUBR_TYPE(cclo) (SCM_CCLO_REF ((cclo), 1))
#define SCM_SET_GSUBR_TYPE(cclo, type) (SCM_CCLO_SET ((cclo), 1, (type)))
#define SCM_GSUBR_PROC(cclo) (SCM_CCLO_REF ((cclo), 2))
#define SCM_SET_GSUBR_PROC(cclo, proc) (SCM_CCLO_SET ((cclo), 2, (proc)))
SCM_API SCM scm_f_gsubr_apply;
SCM_API SCM scm_c_make_gsubr (const char *name,
int req, int opt, int rst, SCM (*fcn) ());
SCM_API SCM scm_c_make_gsubr_with_generic (const char *name,
@ -50,7 +48,8 @@ SCM_API SCM scm_c_define_gsubr_with_generic (const char *name,
int req, int opt, int rst,
SCM (*fcn) (), SCM *gf);
SCM_API SCM scm_gsubr_apply (SCM args);
SCM_INTERNAL SCM scm_i_gsubr_apply (SCM proc, SCM arg, ...);
SCM_INTERNAL SCM scm_i_gsubr_apply_list (SCM proc, SCM args);
SCM_INTERNAL void scm_init_gsubr (void);
#endif /* SCM_GSUBR_H */

20
libguile/guardians.c
View file

@ -37,10 +37,13 @@
* Scheme guardians should be simple and friendly, not like the greedy
* monsters we had...
*
* Rewritten for the Boehm-Wiser GC by Ludovic Courtès.
* Rewritten for the Boehm-Demers-Weiser GC by Ludovic Courtès.
* FIXME: This is currently not thread-safe.
*/
/* Uncomment the following line to debug guardian finalization. */
/* #define DEBUG_GUARDIANS 1 */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
@ -109,7 +112,7 @@ finalize_guarded (GC_PTR ptr, GC_PTR finalizer_data)
guardian_list = SCM_CDR (PTR2SCM (finalizer_data));
proxied_finalizer = SCM_CAR (PTR2SCM (finalizer_data));
#if 0
#ifdef DEBUG_GUARDIANS
printf ("finalizing guarded %p (%u guardians)\n",
ptr, scm_to_uint (scm_length (guardian_list)));
#endif
@ -130,8 +133,13 @@ finalize_guarded (GC_PTR ptr, GC_PTR finalizer_data)
t_guardian *g;
if (SCM_WEAK_PAIR_CAR_DELETED_P (guardian_list))
/* The guardian itself vanished in the meantime. */
continue;
{
/* The guardian itself vanished in the meantime. */
#ifdef DEBUG_GUARDIANS
printf (" guardian for %p vanished\n", ptr);
#endif
continue;
}
g = GUARDIAN_DATA (SCM_CAR (guardian_list));
if (g->live == 0)
@ -166,12 +174,12 @@ finalize_guarded (GC_PTR ptr, GC_PTR finalizer_data)
GC_REGISTER_FINALIZER_NO_ORDER (ptr, finalizer, finalizer_data,
&prev_finalizer, &prev_finalizer_data);
#if 0
#ifdef DEBUG_GUARDIANS
printf (" reinstalled proxied finalizer %p for %p\n", finalizer, ptr);
#endif
}
#if 0
#ifdef DEBUG_GUARDIANS
printf ("end of finalize (%p)\n", ptr);
#endif
}

27
libguile/print.c
View file

@ -1,4 +1,4 @@
/* Copyright (C) 1995-1999,2000,2001, 2002, 2003, 2004, 2006, 2008 Free Software Foundation, Inc.
/* Copyright (C) 1995-1999,2000,2001, 2002, 2003, 2004, 2006, 2008, 2009 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -671,30 +671,7 @@ iprin1 (SCM exp, SCM port, scm_print_state *pstate)
scm_puts (scm_i_symbol_chars (SCM_SNAME (exp)), port);
scm_putc ('>', port);
break;
#ifdef CCLO
case scm_tc7_cclo:
{
SCM proc = SCM_CCLO_SUBR (exp);
if (scm_is_eq (proc, scm_f_gsubr_apply))
{
/* Print gsubrs as primitives */
SCM name = scm_procedure_name (exp);
scm_puts ("#<primitive-procedure", port);
if (scm_is_true (name))
{
scm_putc (' ', port);
scm_puts (scm_i_symbol_chars (name), port);
}
}
else
{
scm_puts ("#<compiled-closure ", port);
scm_iprin1 (proc, port, pstate);
}
scm_putc ('>', port);
}
break;
#endif
case scm_tc7_pws:
scm_puts ("#<procedure-with-setter", port);
{

25
libguile/procprop.c
View file

@ -1,4 +1,4 @@
/* Copyright (C) 1995,1996,1998,2000,2001,2003,2004, 2006, 2008 Free Software Foundation, Inc.
/* Copyright (C) 1995,1996,1998,2000,2001,2003,2004, 2006, 2008, 2009 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -88,21 +88,14 @@ scm_i_procedure_arity (SCM proc)
{
return SCM_BOOL_F;
}
case scm_tc7_cclo:
if (scm_is_eq (SCM_CCLO_SUBR (proc), scm_f_gsubr_apply))
{
int type = scm_to_int (SCM_GSUBR_TYPE (proc));
a += SCM_GSUBR_REQ (type);
o = SCM_GSUBR_OPT (type);
r = SCM_GSUBR_REST (type);
break;
}
else
{
proc = SCM_CCLO_SUBR (proc);
a -= 1;
goto loop;
}
case scm_tc7_gsubr:
{
unsigned int type = SCM_GSUBR_TYPE (proc);
a = SCM_GSUBR_REQ (type);
o = SCM_GSUBR_OPT (type);
r = SCM_GSUBR_REST (type);
break;
}
case scm_tc7_pws:
proc = SCM_PROCEDURE (proc);
goto loop;

47
libguile/procs.c
View file

@ -81,39 +81,6 @@ scm_c_define_subr_with_generic (const char *name,
}
#ifdef CCLO
SCM
scm_makcclo (SCM proc, size_t len)
{
scm_t_bits *base = scm_gc_malloc (len * sizeof (scm_t_bits),
"compiled closure");
unsigned long i;
SCM s;
for (i = 0; i < len; ++i)
base [i] = SCM_UNPACK (SCM_UNSPECIFIED);
s = scm_cell (SCM_MAKE_CCLO_TAG (len), (scm_t_bits) base);
SCM_SET_CCLO_SUBR (s, proc);
return s;
}
/* Undocumented debugging procedure */
#ifdef GUILE_DEBUG
SCM_DEFINE (scm_make_cclo, "make-cclo", 2, 0, 0,
(SCM proc, SCM len),
"Create a compiled closure for @var{proc}, which reserves\n"
"@var{len} objects for its usage.")
#define FUNC_NAME s_scm_make_cclo
{
return scm_makcclo (proc, scm_to_size_t (len));
}
#undef FUNC_NAME
#endif
#endif
SCM_DEFINE (scm_procedure_p, "procedure?", 1, 0, 0,
(SCM obj),
"Return @code{#t} if @var{obj} is a procedure.")
@ -127,9 +94,6 @@ SCM_DEFINE (scm_procedure_p, "procedure?", 1, 0, 0,
break;
case scm_tcs_closures:
case scm_tcs_subrs:
#ifdef CCLO
case scm_tc7_cclo:
#endif
case scm_tc7_pws:
return SCM_BOOL_T;
case scm_tc7_smob:
@ -167,10 +131,9 @@ SCM_DEFINE (scm_thunk_p, "thunk?", 1, 0, 0,
case scm_tc7_lsubr:
case scm_tc7_rpsubr:
case scm_tc7_asubr:
#ifdef CCLO
case scm_tc7_cclo:
#endif
return SCM_BOOL_T;
case scm_tc7_gsubr:
return scm_from_bool (SCM_GSUBR_REQ (SCM_GSUBR_TYPE (obj)) == 0);
case scm_tc7_pws:
obj = SCM_PROCEDURE (obj);
goto again;
@ -221,12 +184,6 @@ SCM_DEFINE (scm_procedure_documentation, "procedure-documentation", 1, 0, 0,
return SCM_BOOL_F;
default:
return SCM_BOOL_F;
/*
case scm_tcs_subrs:
#ifdef CCLO
case scm_tc7_cclo:
#endif
*/
}
}
#undef FUNC_NAME

17
libguile/procs.h
View file

@ -39,18 +39,6 @@
#define SCM_SET_SUBR_GENERIC(x, g) (*((SCM *) SCM_CELL_WORD_2 (x)) = (g))
#define SCM_SET_SUBR_GENERIC_LOC(x, g) (SCM_SET_CELL_WORD_2 (x, (scm_t_bits) g))
#define SCM_CCLO_LENGTH(x) (SCM_CELL_WORD_0 (x) >> 8)
#define SCM_MAKE_CCLO_TAG(v) (((v) << 8) + scm_tc7_cclo)
#define SCM_SET_CCLO_LENGTH(x, v) (SCM_SET_CELL_WORD_0 ((x), SCM_MAKE_CCLO_TAG(v)))
#define SCM_CCLO_BASE(x) ((scm_t_bits *) SCM_CELL_WORD_1 (x))
#define SCM_SET_CCLO_BASE(x, v) (SCM_SET_CELL_WORD_1 ((x), (v)))
#define SCM_CCLO_REF(x, i) (SCM_PACK (SCM_CCLO_BASE (x) [i]))
#define SCM_CCLO_SET(x, i, v) (SCM_CCLO_BASE (x) [i] = SCM_UNPACK (v))
#define SCM_CCLO_SUBR(x) (SCM_CCLO_REF ((x), 0))
#define SCM_SET_CCLO_SUBR(x, v) (SCM_CCLO_SET ((x), 0, (v)))
/* Return the subr type corresponding to the given arity. If the arity
doesn't match that of a subr (e.g., too many arguments), then -1 is
returned. This has to be in sync with `create_gsubr ()'. */
@ -158,7 +146,6 @@ SCM_API SCM scm_c_make_subr_with_generic (const char *name, long type,
SCM_API SCM scm_c_define_subr (const char *name, long type, SCM (*fcn)());
SCM_API SCM scm_c_define_subr_with_generic (const char *name, long type,
SCM (*fcn)(), SCM *gf);
SCM_API SCM scm_makcclo (SCM proc, size_t len);
SCM_API SCM scm_procedure_p (SCM obj);
SCM_API SCM scm_closure_p (SCM obj);
SCM_API SCM scm_thunk_p (SCM obj);
@ -170,10 +157,6 @@ SCM_API SCM scm_procedure (SCM proc);
SCM_API SCM scm_setter (SCM proc);
SCM_INTERNAL void scm_init_procs (void);
#ifdef GUILE_DEBUG
SCM_API SCM scm_make_cclo (SCM proc, SCM len);
#endif /*GUILE_DEBUG*/
#endif /* SCM_PROCS_H */
/*

5
libguile/stacks.c
View file

@ -1,5 +1,5 @@
/* Representation of stack frame debug information
* Copyright (C) 1996,1997,2000,2001, 2006, 2007, 2008 Free Software Foundation
* Copyright (C) 1996,1997,2000,2001, 2006, 2007, 2008, 2009 Free Software Foundation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -293,9 +293,6 @@ read_frames (scm_t_debug_frame *dframe, scm_t_ptrdiff offset,
NEXT_FRAME (iframe, n, quit);
}
}
else if (scm_is_eq (iframe->proc, scm_f_gsubr_apply))
/* Skip gsubr apply frames. */
continue;
else
{
NEXT_FRAME (iframe, n, quit);

5
libguile/tags.h
View file

@ -455,7 +455,7 @@ typedef unsigned long scm_t_bits;
#define scm_tc7_unused_9 79
#define scm_tc7_dsubr 61
#define scm_tc7_cclo 63
#define scm_tc7_gsubr 63
#define scm_tc7_rpsubr 69
#define scm_tc7_subr_0 85
#define scm_tc7_subr_1 87
@ -677,7 +677,8 @@ enum scm_tc8_tags
case scm_tc7_subr_1o:\
case scm_tc7_subr_2o:\
case scm_tc7_lsubr_2:\
case scm_tc7_lsubr
case scm_tc7_lsubr: \
case scm_tc7_gsubr

3
test-suite/Makefile.am
View file

@ -1,6 +1,6 @@
## Process this file with automake to produce Makefile.in.
##
## Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Software Foundation, Inc.
## Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Software Foundation, Inc.
##
## This file is part of GUILE.
##
@ -52,6 +52,7 @@ SCM_TESTS = tests/alist.test \
tests/numbers.test \
tests/optargs.test \
tests/options.test \
tests/procprop.test \
tests/poe.test \
tests/popen.test \
tests/ports.test \

65
test-suite/tests/eval.test
View file

@ -1,5 +1,5 @@
;;;; eval.test --- tests guile's evaluator -*- scheme -*-
;;;; Copyright (C) 2000, 2001, 2006, 2007 Free Software Foundation, Inc.
;;;; Copyright (C) 2000, 2001, 2006, 2007, 2009 Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
@ -17,6 +17,7 @@
(define-module (test-suite test-eval)
:use-module (test-suite lib)
:use-module ((srfi srfi-1) :select (unfold count))
:use-module (ice-9 documentation))
@ -312,6 +313,68 @@
(%make-void-port "w"))
#t))))
;;;
;;; stacks
;;;
(define (stack->frames stack)
;; Return the list of frames comprising STACK.
(unfold (lambda (i)
(>= i (stack-length stack)))
(lambda (i)
(stack-ref stack i))
1+
0))
(with-test-prefix "stacks"
(with-debugging-evaluator
(pass-if "stack involving a subr"
;; The subr involving the error must appear exactly once on the stack.
(catch 'result
(lambda ()
(start-stack 'foo
(lazy-catch 'wrong-type-arg
(lambda ()
;; Trigger a `wrong-type-arg' exception.
(fluid-ref 'not-a-fluid))
(lambda _
(let* ((stack (make-stack #t))
(frames (stack->frames stack)))
(throw 'result
(count (lambda (frame)
(and (frame-procedure? frame)
(eq? (frame-procedure frame)
fluid-ref)))
frames)))))))
(lambda (key result)
(= 1 result))))
(pass-if "stack involving a gsubr"
;; The gsubr involving the error must appear exactly once on the stack.
;; This is less obvious since gsubr application may require an
;; additional `SCM_APPLY ()' call, which should not be visible to the
;; application.
(catch 'result
(lambda ()
(start-stack 'foo
(lazy-catch 'wrong-type-arg
(lambda ()
;; Trigger a `wrong-type-arg' exception.
(hashq-ref 'wrong 'type 'arg))
(lambda _
(let* ((stack (make-stack #t))
(frames (stack->frames stack)))
(throw 'result
(count (lambda (frame)
(and (frame-procedure? frame)
(eq? (frame-procedure frame)
hashq-ref)))
frames)))))))
(lambda (key result)
(= 1 result))))))
;;;
;;; letrec init evaluation
;;;

20
test-suite/tests/goops.test
View file

@ -1,6 +1,6 @@
;;;; goops.test --- test suite for GOOPS -*- scheme -*-
;;;;
;;;; Copyright (C) 2001,2003,2004, 2006, 2008 Free Software Foundation, Inc.
;;;; Copyright (C) 2001,2003,2004, 2006, 2008, 2009 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
@ -125,6 +125,24 @@
table))))
)
(with-test-prefix "classes for built-in types"
(pass-if "subr"
(eq? (class-of fluid-ref) <procedure>))
(pass-if "gsubr"
(eq? (class-of hashq-ref) <procedure>))
(pass-if "car"
(eq? (class-of car) <procedure>))
(pass-if "string"
(eq? (class-of "foo") <string>))
(pass-if "port"
(is-a? (%make-void-port "w") <port>)))
(with-test-prefix "defining classes"
(with-test-prefix "define-class"

59
test-suite/tests/guardians.test
View file

@ -19,17 +19,28 @@
;;;; Boston, MA 02110-1301 USA
;;; These tests make some questionable assumptions.
;;;
;;; - They assume that a GC will find all dead objects, so they
;;; will become flaky if we have a generational GC.
;;;
;;; - More generally, when a weakly referenced object doesn't disappear as
;;; expected, it's hard to tell whether that's because of a guardian bug of
;;; because a reference to it is being held somewhere, e.g., one some part
;;; of the stack that hasn't been overwritten. Thus, most tests cannot
;;; fail, they can just throw `unresolved'. We try hard to clear
;;; references that may have been left on the stacks (see "clear refs left
;;; on the stack" lines).
;;;
;;; - They assume that objects won't be saved by the guardian until
;;; they explicitly invoke GC --- in other words, they assume that GC
;;; won't happen too often.
(use-modules (test-suite lib)
(ice-9 documentation)
(ice-9 weak-vector))
(define-module (test-guardians)
:use-module (test-suite lib)
:use-module (ice-9 documentation)
:use-module (ice-9 weak-vector))
;;;
;;; miscellaneous
;;;
@ -74,6 +85,25 @@
(pass-if "g3-garbage saved" (or seen-g3-garbage (throw 'unresolved)))
(pass-if "g2-saved" (or (procedure? seen-g2) (throw 'unresolved)))
(pass-if "nothing else saved" (not seen-something-else))
;; FIXME: The following test fails because the guardian for `g2-garbage'
;; disappared from the weak-car guardian list of `g2-garbage' right before
;; `g2-garbage' was finalized (in `finalize_guarded ()'). Sample session
;; (compiled with `-DDEBUG_GUARDIANS'):
;;
;; guile> (define g (make-guardian))
;; guile> (let ((g2 (make-guardian)))
;; (format #t "g2 = ~x~%" (object-address g2))
;; (g2 (string-copy "foo"))
;; (g g2))
;; g2 = 81fde18
;; guile> (gc)
;; finalizing guarded 0x827f6a0 (1 guardians)
;; guardian for 0x827f6a0 vanished
;; end of finalize (0x827f6a0)
;; finalizing guarded 0x81fde18 (1 guardians)
;; end of finalize (0x81fde18)
(pass-if "g2-garbage saved" (or (and (procedure? seen-g2)
(equal? (seen-g2)
(list (string-copy
@ -117,6 +147,7 @@
(let ((g (make-guardian)))
(gc)
(g (cons #f #f))
(cons 'clear 'stack) ;; clear refs left on the stack
(if (not (eq? (g) #f))
(throw 'unresolved)
(begin
@ -130,6 +161,7 @@
(gc)
(g (cons #f #f))
(g (cons #t #t))
(cons 'clear 'stack) ;; clear refs left on the stack
(if (not (eq? (g) #f))
(throw 'unresolved)
(begin
@ -144,6 +176,7 @@
(let ((g (make-guardian)))
(gc)
(g (cons #f #f))
(cons 'clear 'stack) ;; clear refs left on the stack
(if (not (eq? (g) #f))
(throw 'unresolved)
(begin
@ -177,7 +210,8 @@
(gc)
(let ((p (cons #f #f)))
(g p)
(vector-set! v 0 p))
(vector-set! v 0 p)
(set! p #f)) ;; clear refs left on the stack
(if (not (eq? (g) #f))
(throw 'unresolved)
(begin
@ -192,7 +226,8 @@
(gc)
(let ((p (cons #f #f)))
(g p)
(vector-set! v 0 p))
(vector-set! v 0 p)
(set! p #f)) ;; clear refs left on the stack
(begin
(gc)
(if (not (equal? (g) (cons #f #f)))
@ -206,7 +241,11 @@
(pass-if "element of guarded weak vector gets collected"
(let ((g (make-guardian))
(v (weak-vector (cons #f #f))))
(v (weak-vector #f)))
;; Note: We don't pass `(cons #f #f)' as an argument to `weak-vector'
;; otherwise references to it are likely to be left on the stack.
(vector-set! v 0 (cons #f #f))
(g v)
(gc)
(if (equal? (vector-ref v 0) (cons #f #f))
@ -250,7 +289,8 @@
(gc)
(let ((p (cons #f #f)))
(g p)
(g p))
(g p)
(set! p #f)) ;; clear refs left on the stack
(if (not (eq? (g) #f))
(throw 'unresolved)
(begin
@ -265,7 +305,8 @@
(gc)
(let ((p (cons #f #f)))
(g p)
(h p))
(h p)
(set! p #f)) ;; clear refs left on the stack
(if (not (eq? (g) #f))
(throw 'unresolved)
(begin

61
test-suite/tests/procprop.test Normal file
View file

@ -0,0 +1,61 @@
;;;; procprop.test --- Procedure properties -*- Scheme -*-
;;;; Ludovic Courtès <ludo@gnu.org>
;;;;
;;;; Copyright (C) 2009 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., 51 Franklin Street, Fifth Floor,
;;;; Boston, MA 02110-1301 USA
(define-module (test-procpop)
:use-module (test-suite lib))
(with-test-prefix "procedure-name"
(pass-if "simple subr"
(eq? 'display (procedure-name display)))
(pass-if "gsubr"
(eq? 'hashq-ref (procedure-name hashq-ref))))
(with-test-prefix "procedure-arity"
(pass-if "simple subr"
(equal? (procedure-property display 'arity)
'(1 1 #f)))
(pass-if "gsubr"
(equal? (procedure-property hashq-ref 'arity)
'(2 1 #f)))
(pass-if "port-closed?"
(equal? (procedure-property port-closed? 'arity)
'(1 0 #f)))
(pass-if "apply"
(equal? (procedure-property apply 'arity)
'(1 0 #t)))
(pass-if "cons*"
(equal? (procedure-property cons* 'arity)
'(1 0 #t)))
(pass-if "list"
(equal? (procedure-property list 'arity)
'(0 0 #t))))
;;; Local Variables:
;;; coding: latin-1
;;; End: