#ifndef STACKSH
#define STACKSH
-/* Copyright (C) 1995,1996 Free Software Foundation
+/* Copyright (C) 1995,1996, 2000 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 author can be reached at djurfeldt@nada.kth.se
* Mikael Djurfeldt, SANS/NADA KTH, 10044 STOCKHOLM, SWEDEN */
+
+/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
+ gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
\f
#include "libguile/__scm.h"
*/
typedef struct scm_info_frame {
- SCM flags;
+ /* SCM flags; */
+ scm_bits_t flags;
SCM source;
SCM proc;
SCM args;
extern SCM scm_stack_type;
-#define SCM_STACKP(obj) (SCM_STRUCTP (obj) && SCM_STRUCT_VTABLE (obj) == scm_stack_type)
+#define SCM_STACKP(obj) (SCM_STRUCTP (obj) && SCM_EQ_P (SCM_STRUCT_VTABLE (obj), scm_stack_type))
#define SCM_STACK_LENGTH(stack) (SCM_STACK (stack) -> length)
#define SCM_FRAMEP(obj) (SCM_CONSP (obj) \
- && SCM_NIMP (SCM_CAR (obj)) \
&& SCM_STACKP (SCM_CAR (obj)) \
&& SCM_INUMP (SCM_CDR (obj))) \
#define SCM_FRAMEF_EVAL_ARGS (1L << 5)
#define SCM_FRAMEF_OVERFLOW (1L << 6)
-#define SCM_FRAME_VOID_P(frame) (SCM_FRAME_FLAGS (frame) & SCM_FRAMEF_VOID)
-#define SCM_FRAME_REAL_P(frame) (SCM_FRAME_FLAGS (frame) & SCM_FRAMEF_REAL)
-#define SCM_FRAME_PROC_P(frame) (SCM_FRAME_FLAGS (frame) & SCM_FRAMEF_PROC)
-#define SCM_FRAME_EVAL_ARGS_P(frame) (SCM_FRAME_FLAGS (frame) & SCM_FRAMEF_EVAL_ARGS)
-#define SCM_FRAME_OVERFLOW_P(frame) (SCM_FRAME_FLAGS (frame) & SCM_FRAMEF_OVERFLOW)
+#define SCM_FRAME_VOID_P(f) (SCM_FRAME_FLAGS (f) & SCM_FRAMEF_VOID)
+#define SCM_FRAME_REAL_P(f) (SCM_FRAME_FLAGS (f) & SCM_FRAMEF_REAL)
+#define SCM_FRAME_PROC_P(f) (SCM_FRAME_FLAGS (f) & SCM_FRAMEF_PROC)
+#define SCM_FRAME_EVAL_ARGS_P(f) (SCM_FRAME_FLAGS (f) & SCM_FRAMEF_EVAL_ARGS)
+#define SCM_FRAME_OVERFLOW_P(f) (SCM_FRAME_FLAGS (f) & SCM_FRAMEF_OVERFLOW)
\f
-SCM scm_stack_p SCM_P ((SCM obj));
-SCM scm_make_stack SCM_P ((SCM args));
-SCM scm_stack_ref SCM_P ((SCM stack, SCM i));
-SCM scm_stack_length SCM_P ((SCM stack));
-
-SCM scm_frame_p SCM_P ((SCM obj));
-SCM scm_last_stack_frame SCM_P ((SCM obj));
-SCM scm_frame_number SCM_P ((SCM frame));
-SCM scm_frame_source SCM_P ((SCM frame));
-SCM scm_frame_procedure SCM_P ((SCM frame));
-SCM scm_frame_arguments SCM_P ((SCM frame));
-SCM scm_frame_previous SCM_P ((SCM frame));
-SCM scm_frame_next SCM_P ((SCM frame));
-SCM scm_frame_real_p SCM_P ((SCM frame));
-SCM scm_frame_procedure_p SCM_P ((SCM frame));
-SCM scm_frame_evaluating_args_p SCM_P ((SCM frame));
-SCM scm_frame_overflow_p SCM_P ((SCM frame));
-
-void scm_init_stacks SCM_P ((void));
+SCM scm_stack_p (SCM obj);
+SCM scm_make_stack (SCM obj, SCM args);
+SCM scm_stack_id (SCM stack);
+SCM scm_stack_ref (SCM stack, SCM i);
+SCM scm_stack_length (SCM stack);
+
+SCM scm_frame_p (SCM obj);
+SCM scm_last_stack_frame (SCM obj);
+SCM scm_frame_number (SCM frame);
+SCM scm_frame_source (SCM frame);
+SCM scm_frame_procedure (SCM frame);
+SCM scm_frame_arguments (SCM frame);
+SCM scm_frame_previous (SCM frame);
+SCM scm_frame_next (SCM frame);
+SCM scm_frame_real_p (SCM frame);
+SCM scm_frame_procedure_p (SCM frame);
+SCM scm_frame_evaluating_args_p (SCM frame);
+SCM scm_frame_overflow_p (SCM frame);
+
+
+void scm_init_stacks (void);
#endif /* STACKSH */
+
+/*
+ Local Variables:
+ c-file-style: "gnu"
+ End:
+*/