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791eb0c01a
As the FSF advises, 'There is no legal significance to using the three-character sequence “(C)”, but it does no harm.' It does take up space though! For that reason, we remove it here from our C files.
64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
#ifndef SCM_STACKS_H
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#define SCM_STACKS_H
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/* Copyright 1995-1996,2000-2001,2004,2006,2008,2018
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* Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 3 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#include <libguile/error.h>
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#include "libguile/frames.h"
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/* {Frames and stacks}
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*/
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SCM_API SCM scm_stack_type;
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#define SCM_STACK_LAYOUT \
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"pw" /* len */ \
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"pw" /* id */ \
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"pw" /* frame */
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#define SCM_STACKP(obj) (SCM_STRUCTP (obj) && scm_is_eq (SCM_STRUCT_VTABLE (obj), scm_stack_type))
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#define SCM_STACK_LENGTH(obj) (scm_to_long (SCM_STRUCT_SLOT_REF (obj,0)))
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#define SCM_SET_STACK_LENGTH(obj,f) (SCM_STRUCT_SLOT_SET (obj,0,scm_from_long (f)))
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#define SCM_STACK_ID(obj) (SCM_STRUCT_SLOT_REF (obj,1))
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#define SCM_SET_STACK_ID(obj,f) (SCM_STRUCT_SLOT_SET (obj,1,f))
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#define SCM_STACK_FRAME(obj) (SCM_STRUCT_SLOT_REF (obj,2))
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#define SCM_SET_STACK_FRAME(obj,f) (SCM_STRUCT_SLOT_SET (obj,2,f))
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#define SCM_FRAMEP(obj) (SCM_VM_FRAME_P (obj))
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#define SCM_VALIDATE_STACK(pos, v) \
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SCM_MAKE_VALIDATE_MSG (pos, v, STACKP, "stack")
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#define SCM_VALIDATE_FRAME(pos, v) \
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SCM_MAKE_VALIDATE_MSG (pos, v, FRAMEP, "frame")
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SCM_API SCM scm_stack_p (SCM obj);
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SCM_API SCM scm_make_stack (SCM obj, SCM args);
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SCM_API SCM scm_stack_id (SCM stack);
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SCM_API SCM scm_stack_ref (SCM stack, SCM i);
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SCM_API SCM scm_stack_length (SCM stack);
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SCM_INTERNAL void scm_init_stacks (void);
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#endif /* SCM_STACKS_H */
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