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guile/libguile/stacks.h
Andy Wingo 6a32628e18 frames, values: BUILDING_LIBGUILE-guarded defs to internal headers
I was writing the trace function, which is included by Whippet, which
doesn't have the BUILDING_LIBGUILE define.  It is just as fine to put
these in private headers; better, even.

* libguile/frames-internal.h:
* libguile/values-internal.h: New files.
* libguile/Makefile.am (noinst_HEADERS): Add new files.
* libguile/backtrace.c:
* libguile/continuations.c:
* libguile/control.c:
* libguile/eval.c:
* libguile/frames.c:
* libguile/frames.h:
* libguile/gsubr.c:
* libguile/init.c:
* libguile/intrinsics.c:
* libguile/numbers.c:
* libguile/print.c:
* libguile/smob.c:
* libguile/smob.h:
* libguile/stacks.c:
* libguile/stacks.h:
* libguile/values.c:
* libguile/values.h:
* libguile/vm.c: Include new files.
2025-07-01 10:43:14 +02:00

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#ifndef SCM_STACKS_H
#define SCM_STACKS_H
/* Copyright 1995-1996,2000-2001,2004,2006,2008,2018,2025
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 Lesser General Public License as published
by the Free Software Foundation, either version 3 of the License, 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 Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public
License along with Guile. If not, see
<https://www.gnu.org/licenses/>. */
#include <libguile/error.h>
#include "libguile/frames.h"
/* {Frames and stacks}
*/
SCM_API SCM scm_stack_type;
#define SCM_STACK_LAYOUT \
"pw" /* len */ \
"pw" /* id */ \
"pw" /* frame */
#define SCM_STACKP(obj) (SCM_STRUCTP (obj) && scm_is_eq (SCM_STRUCT_VTABLE (obj), scm_stack_type))
#define SCM_STACK_LENGTH(obj) (scm_to_long (SCM_STRUCT_SLOT_REF (obj,0)))
#define SCM_SET_STACK_LENGTH(obj,f) (SCM_STRUCT_SLOT_SET (obj,0,scm_from_long (f)))
#define SCM_STACK_ID(obj) (SCM_STRUCT_SLOT_REF (obj,1))
#define SCM_SET_STACK_ID(obj,f) (SCM_STRUCT_SLOT_SET (obj,1,f))
#define SCM_STACK_FRAME(obj) (SCM_STRUCT_SLOT_REF (obj,2))
#define SCM_SET_STACK_FRAME(obj,f) (SCM_STRUCT_SLOT_SET (obj,2,f))
#define SCM_VALIDATE_STACK(pos, v) \
SCM_MAKE_VALIDATE_MSG (pos, v, STACKP, "stack")
SCM_API SCM scm_stack_p (SCM obj);
SCM_API SCM scm_make_stack (SCM obj, SCM args);
SCM_API SCM scm_stack_id (SCM stack);
SCM_API SCM scm_stack_ref (SCM stack, SCM i);
SCM_API SCM scm_stack_length (SCM stack);
SCM_INTERNAL void scm_init_stacks (void);
#endif /* SCM_STACKS_H */