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Move fluids off of scm_cell

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* libguile/fluids-internal.h: New file for internal definitions.
* libguile/dynstack.c:
* libguile/init.c:
* libguile/intrinsics.c:
* libguile/modules.c:
* libguile/print.c:
* libguile/threads.c: Include new internal file.
* libguile/fluids.c: Use "struct scm_fluid".
* libguile/Makefile.am: Add new file.
This commit is contained in:
Andy Wingo 2025-06-20 14:43:10 +02:00
parent 8141c35ec4
commit 453fe41a26
10 changed files with 116 additions and 57 deletions
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71
libguile/fluids-internal.h Normal file
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#ifndef SCM_FLUIDS_INTERNAL_H
#define SCM_FLUIDS_INTERNAL_H
/* Copyright 1996,2000-2001,2006,2008-2013,2018,2025
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/fluids.h>
#include <libguile/gc.h>
#include <libguile/cache-internal.h>
struct scm_fluid
{
scm_t_bits tag_and_flags;
SCM default_value;
};
static inline struct scm_fluid*
scm_to_fluid (SCM x)
{
if (!scm_is_fluid (x))
abort ();
return (struct scm_fluid *) SCM_UNPACK_POINTER (x);
}
static inline SCM
scm_from_fluid (struct scm_fluid *fluid)
{
return SCM_PACK_POINTER (fluid);
}
struct scm_ephemeron_table;
struct scm_dynamic_state
{
SCM thread_local_values;
struct scm_ephemeron_table *values;
uint8_t has_aliased_values;
struct scm_cache cache;
};
SCM_INTERNAL SCM scm_i_fluid_ref (scm_thread *thread, SCM fluid);
SCM_INTERNAL void scm_swap_fluid (SCM fluid, SCM value_box,
scm_t_dynamic_state *dynamic_state);
SCM_INTERNAL SCM scm_dynamic_state_ref (SCM state, SCM fluid, SCM dflt);
SCM_INTERNAL SCM scm_i_make_initial_dynamic_state (void);
SCM_INTERNAL void scm_i_fluid_print (SCM exp, SCM port, scm_print_state *pstate);
SCM_INTERNAL void scm_i_dynamic_state_print (SCM exp, SCM port, scm_print_state *pstate);
SCM_INTERNAL void scm_init_fluids (void);
#endif /* SCM_FLUIDS_INTERNAL_H */