/* Debugging extensions for Guile
- * Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2002, 2003 Free Software Foundation
+ * Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2002, 2003, 2006, 2008, 2009 Free Software Foundation
*
- * 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 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 program is distributed in the hope that it will be useful,
+ * 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 General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser 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 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.
- *
- * 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.
- *
- * The author can be reached at djurfeldt@nada.kth.se
- * Mikael Djurfeldt, SANS/NADA KTH, 10044 STOCKHOLM, SWEDEN */
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
#include "libguile/_scm.h"
+#include "libguile/async.h"
#include "libguile/eval.h"
#include "libguile/list.h"
#include "libguile/stackchk.h"
#include "libguile/root.h"
#include "libguile/fluids.h"
#include "libguile/objects.h"
+#include "libguile/programs.h"
#include "libguile/validate.h"
#include "libguile/debug.h"
+
+#include "libguile/private-options.h"
\f
+
/* {Run time control of the debugging evaluator}
*/
#define FUNC_NAME s_scm_debug_options
{
SCM ans;
- SCM_DEFER_INTS;
- ans = scm_options (setting, scm_debug_opts, SCM_N_DEBUG_OPTIONS, FUNC_NAME);
+
+ scm_dynwind_begin (0);
+ scm_dynwind_critical_section (SCM_BOOL_F);
+
+ ans = scm_options (setting, scm_debug_opts, FUNC_NAME);
if (!(1 <= SCM_N_FRAMES && SCM_N_FRAMES <= SCM_MAX_FRAME_SIZE))
{
- scm_options (ans, scm_debug_opts, SCM_N_DEBUG_OPTIONS, FUNC_NAME);
+ scm_options (ans, scm_debug_opts, FUNC_NAME);
SCM_OUT_OF_RANGE (1, setting);
}
SCM_RESET_DEBUG_MODE;
+#ifdef STACK_CHECKING
scm_stack_checking_enabled_p = SCM_STACK_CHECKING_P;
+#endif
scm_debug_eframe_size = 2 * SCM_N_FRAMES;
- SCM_ALLOW_INTS;
+
+ scm_dynwind_end ();
return ans;
}
#undef FUNC_NAME
+
static void
with_traps_before (void *data)
{
static SCM
with_traps_inner (void *data)
{
- SCM thunk = SCM_PACK (data);
+ SCM thunk = SCM_PACK ((scm_t_bits) data);
return scm_call_0 (thunk);
}
#undef FUNC_NAME
\f
-
SCM_SYMBOL (scm_sym_procname, "procname");
SCM_SYMBOL (scm_sym_dots, "...");
SCM_SYMBOL (scm_sym_source, "source");
int writingp = SCM_WRITINGP (pstate);
scm_puts ("#<memoized ", port);
SCM_SET_WRITINGP (pstate, 1);
-#ifdef GUILE_DEBUG
scm_iprin1 (SCM_MEMOIZED_EXP (obj), port, pstate);
-#else
- scm_iprin1 (scm_unmemoize (obj), port, pstate);
-#endif
SCM_SET_WRITINGP (pstate, writingp);
scm_putc ('>', port);
return 1;
"Return @code{#t} if @var{obj} is memoized.")
#define FUNC_NAME s_scm_memoized_p
{
- return SCM_BOOL(SCM_MEMOIZEDP (obj));
+ return scm_from_bool(SCM_MEMOIZEDP (obj));
}
#undef FUNC_NAME
scm_make_memoized (SCM exp, SCM env)
{
/* *fixme* Check that env is a valid environment. */
- register SCM z, ans;
- SCM_ENTER_A_SECTION;
- SCM_NEWSMOB (z, SCM_UNPACK (exp), SCM_UNPACK (env));
- SCM_NEWSMOB (ans, scm_tc16_memoized, SCM_UNPACK (z));
- SCM_EXIT_A_SECTION;
- return ans;
+ SCM_RETURN_NEWSMOB (scm_tc16_memoized, SCM_UNPACK (scm_cons (exp, env)));
}
#ifdef GUILE_DEBUG
#include "libguile/variable.h"
#include "libguile/procs.h"
-SCM_DEFINE (scm_make_iloc, "make-iloc", 3, 0, 0,
- (SCM frame, SCM binding, SCM cdrp),
- "Return a new iloc with frame offset @var{frame}, binding\n"
- "offset @var{binding} and the cdr flag @var{cdrp}.")
-#define FUNC_NAME s_scm_make_iloc
-{
- SCM_VALIDATE_INUM (1, frame);
- SCM_VALIDATE_INUM (2, binding);
- return SCM_MAKE_ILOC (SCM_INUM (frame),
- SCM_INUM (binding),
- !SCM_FALSEP (cdrp));
-}
-#undef FUNC_NAME
-
-SCM_DEFINE (scm_iloc_p, "iloc?", 1, 0, 0,
- (SCM obj),
- "Return @code{#t} if @var{obj} is an iloc.")
-#define FUNC_NAME s_scm_iloc_p
-{
- return SCM_BOOL(SCM_ILOCP (obj));
-}
-#undef FUNC_NAME
-
SCM_DEFINE (scm_memcons, "memcons", 2, 1, 0,
(SCM car, SCM cdr, SCM env),
"Return a new memoized cons cell with @var{car} and @var{cdr}\n"
SCM_DEFINE (scm_mem_to_proc, "mem->proc", 1, 0, 0,
(SCM obj),
- "Convert a memoized object (which must be a lambda expression)\n"
+ "Convert a memoized object (which must represent a body)\n"
"to a procedure.")
#define FUNC_NAME s_scm_mem_to_proc
{
SCM_VALIDATE_MEMOIZED (1, obj);
env = SCM_MEMOIZED_ENV (obj);
obj = SCM_MEMOIZED_EXP (obj);
- if (!SCM_CONSP (obj) || !SCM_EQ_P (SCM_CAR (obj), SCM_IM_LAMBDA))
- SCM_MISC_ERROR ("expected lambda expression", scm_list_1 (obj));
- return scm_closure (SCM_CDR (obj), env);
+ return scm_closure (obj, env);
}
#undef FUNC_NAME
#define FUNC_NAME s_scm_proc_to_mem
{
SCM_VALIDATE_CLOSURE (1, obj);
- return scm_make_memoized (scm_cons (SCM_IM_LAMBDA, SCM_CODE (obj)),
- SCM_ENV (obj));
+ return scm_make_memoized (SCM_CODE (obj), SCM_ENV (obj));
}
#undef FUNC_NAME
#endif /* GUILE_DEBUG */
-SCM_DEFINE (scm_unmemoize, "unmemoize", 1, 0, 0,
+SCM_DEFINE (scm_i_unmemoize_expr, "unmemoize-expr", 1, 0, 0,
(SCM m),
"Unmemoize the memoized expression @var{m},")
-#define FUNC_NAME s_scm_unmemoize
+#define FUNC_NAME s_scm_i_unmemoize_expr
{
SCM_VALIDATE_MEMOIZED (1, m);
- return scm_unmemocopy (SCM_MEMOIZED_EXP (m), SCM_MEMOIZED_ENV (m));
+ return scm_i_unmemocopy_expr (SCM_MEMOIZED_EXP (m), SCM_MEMOIZED_ENV (m));
}
#undef FUNC_NAME
#if 0
/* Source property scm_sym_procname not implemented yet... */
SCM name = scm_source_property (SCM_CAR (SCM_CLOSURE_BODY (proc)), scm_sym_procname);
- if (SCM_FALSEP (name))
+ if (scm_is_false (name))
name = scm_procedure_property (proc, scm_sym_name);
#endif
- if (SCM_FALSEP (name) && SCM_CLOSUREP (proc))
+ if (scm_is_false (name) && SCM_CLOSUREP (proc))
name = scm_reverse_lookup (SCM_ENV (proc), proc);
+ if (scm_is_false (name) && SCM_PROGRAM_P (proc))
+ name = scm_program_name (proc);
return name;
}
}
switch (SCM_TYP7 (proc)) {
case scm_tcs_closures:
{
- SCM formals = SCM_CLOSURE_FORMALS (proc);
- SCM src = scm_source_property (SCM_CLOSURE_BODY (proc), scm_sym_copy);
- if (!SCM_FALSEP (src))
- return scm_cons2 (scm_sym_lambda, formals, src);
- return scm_cons (scm_sym_lambda,
- scm_unmemocopy (SCM_CODE (proc),
- SCM_EXTEND_ENV (formals,
- SCM_EOL,
- SCM_ENV (proc))));
+ const SCM formals = SCM_CLOSURE_FORMALS (proc);
+ const SCM body = SCM_CLOSURE_BODY (proc);
+ const SCM src = scm_source_property (body, scm_sym_copy);
+
+ if (scm_is_true (src))
+ {
+ return scm_cons2 (scm_sym_lambda, formals, src);
+ }
+ else
+ {
+ const SCM env = SCM_EXTEND_ENV (formals, SCM_EOL, SCM_ENV (proc));
+ return scm_cons2 (scm_sym_lambda,
+ scm_i_finite_list_copy (formals),
+ scm_i_unmemocopy_body (body, env));
+ }
}
case scm_tcs_struct:
if (!SCM_I_OPERATORP (proc))
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! */
case scm_tc7_pws:
{
SCM src = scm_procedure_property (proc, scm_sym_source);
- if (!SCM_FALSEP (src))
+ if (scm_is_true (src))
return src;
proc = SCM_PROCEDURE (proc);
goto again;
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);
SCM
scm_reverse_lookup (SCM env, SCM data)
{
- while (SCM_CONSP (env) && SCM_CONSP (SCM_CAR (env)))
+ while (scm_is_pair (env) && scm_is_pair (SCM_CAR (env)))
{
SCM names = SCM_CAAR (env);
SCM values = SCM_CDAR (env);
- while (SCM_CONSP (names))
+ while (scm_is_pair (names))
{
- if (SCM_EQ_P (SCM_CAR (values), data))
+ if (scm_is_eq (SCM_CAR (values), data))
return SCM_CAR (names);
names = SCM_CDR (names);
values = SCM_CDR (values);
}
- if (!SCM_NULLP (names) && SCM_EQ_P (values, data))
+ if (!scm_is_null (names) && scm_is_eq (values, data))
return names;
env = SCM_CDR (env);
}
return SCM_BOOL_F;
}
-SCM
-scm_start_stack (SCM id, SCM exp, SCM env)
+SCM_DEFINE (scm_sys_start_stack, "%start-stack", 2, 0, 0,
+ (SCM id, SCM thunk),
+ "Call @var{thunk} on an evaluator stack tagged with @var{id}.")
+#define FUNC_NAME s_scm_sys_start_stack
{
SCM answer;
scm_t_debug_frame vframe;
scm_t_debug_info vframe_vect_body;
- vframe.prev = scm_last_debug_frame;
+ vframe.prev = scm_i_last_debug_frame ();
vframe.status = SCM_VOIDFRAME;
vframe.vect = &vframe_vect_body;
vframe.vect[0].id = id;
- scm_last_debug_frame = &vframe;
- answer = scm_i_eval (exp, env);
- scm_last_debug_frame = vframe.prev;
+ scm_i_set_last_debug_frame (&vframe);
+ answer = scm_call_0 (thunk);
+ scm_i_set_last_debug_frame (vframe.prev);
return answer;
}
-
-SCM_SYNTAX(s_start_stack, "start-stack", scm_makacro, scm_m_start_stack);
-
-static SCM
-scm_m_start_stack (SCM exp, SCM env)
-#define FUNC_NAME s_start_stack
-{
- exp = SCM_CDR (exp);
- if (!SCM_CONSP (exp)
- || !SCM_CONSP (SCM_CDR (exp))
- || !SCM_NULLP (SCM_CDDR (exp)))
- SCM_WRONG_NUM_ARGS ();
- return scm_start_stack (scm_eval_car (exp, env), SCM_CADR (exp), env);
-}
#undef FUNC_NAME
-
/* {Debug Objects}
*
* The debugging evaluator throws these on frame traps.
"Return @code{#t} if @var{obj} is a debug object.")
#define FUNC_NAME s_scm_debug_object_p
{
- return SCM_BOOL(SCM_DEBUGOBJP (obj));
+ return scm_from_bool(SCM_DEBUGOBJP (obj));
}
#undef FUNC_NAME
void
scm_init_debug ()
{
- scm_init_opts (scm_debug_options, scm_debug_opts, SCM_N_DEBUG_OPTIONS);
+ scm_init_opts (scm_debug_options, scm_debug_opts);
scm_tc16_memoized = scm_make_smob_type ("memoized", 0);
scm_set_smob_mark (scm_tc16_memoized, scm_markcdr);