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fbbe5fa873
* libguile/fluids-internal.h: Add struct scm_dynamic_state_snapshot definition. * libguile/fluids.h (scm_is_dynamic_state): Inline. * libguile/fluids.c: Use "struct scm_dynamic_state_snapshot".
93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
#ifndef SCM_FLUIDS_INTERNAL_H
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#define SCM_FLUIDS_INTERNAL_H
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/* Copyright 1996,2000-2001,2006,2008-2013,2018,2025
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Free Software Foundation, Inc.
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This file is part of Guile.
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Guile is free software: you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Guile is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with Guile. If not, see
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<https://www.gnu.org/licenses/>. */
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#include <libguile/fluids.h>
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#include <libguile/gc.h>
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#include <libguile/cache-internal.h>
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struct scm_fluid
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{
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scm_t_bits tag_and_flags;
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SCM default_value;
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};
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struct scm_dynamic_state_snapshot
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{
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scm_t_bits tag;
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SCM bindings;
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};
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static inline struct scm_fluid*
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scm_to_fluid (SCM x)
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{
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if (!scm_is_fluid (x))
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abort ();
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return (struct scm_fluid *) SCM_UNPACK_POINTER (x);
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}
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static inline SCM
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scm_from_fluid (struct scm_fluid *fluid)
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{
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return SCM_PACK_POINTER (fluid);
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}
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static inline struct scm_dynamic_state_snapshot*
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scm_to_dynamic_state (SCM x)
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{
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if (!scm_is_dynamic_state (x))
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abort ();
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return (struct scm_dynamic_state_snapshot *) SCM_UNPACK_POINTER (x);
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}
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static inline SCM
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scm_from_dynamic_state (struct scm_dynamic_state_snapshot *dynstate)
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{
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return SCM_PACK_POINTER (dynstate);
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}
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struct scm_ephemeron_table;
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struct scm_dynamic_state
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{
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SCM thread_local_values;
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struct scm_ephemeron_table *values;
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uint8_t has_aliased_values;
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struct scm_cache cache;
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};
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SCM_INTERNAL SCM scm_i_fluid_ref (scm_thread *thread, SCM fluid);
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SCM_INTERNAL void scm_swap_fluid (SCM fluid, SCM value_box,
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scm_t_dynamic_state *dynamic_state);
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SCM_INTERNAL SCM scm_dynamic_state_ref (SCM state, SCM fluid, SCM dflt);
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SCM_INTERNAL SCM scm_i_make_initial_dynamic_state (void);
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SCM_INTERNAL void scm_i_fluid_print (SCM exp, SCM port, scm_print_state *pstate);
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SCM_INTERNAL void scm_i_dynamic_state_print (SCM exp, SCM port, scm_print_state *pstate);
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SCM_INTERNAL void scm_init_fluids (void);
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#endif /* SCM_FLUIDS_INTERNAL_H */
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