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-rw-r--r--libguile/memoize.h94
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diff --git a/libguile/memoize.h b/libguile/memoize.h
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+#ifndef SCM_MEMOIZE_H
+#define SCM_MEMOIZE_H
+
+/* Copyright 1995-1996,1998-2002,2004,2008-2011,2013-2014,2018
+ 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/scm.h"
+
+
+
+
+SCM_API SCM scm_sym_and;
+SCM_API SCM scm_sym_begin;
+SCM_API SCM scm_sym_case;
+SCM_API SCM scm_sym_cond;
+SCM_API SCM scm_sym_define;
+SCM_API SCM scm_sym_do;
+SCM_API SCM scm_sym_if;
+SCM_API SCM scm_sym_lambda;
+SCM_API SCM scm_sym_let;
+SCM_API SCM scm_sym_letstar;
+SCM_API SCM scm_sym_letrec;
+SCM_API SCM scm_sym_quote;
+SCM_API SCM scm_sym_quasiquote;
+SCM_API SCM scm_sym_unquote;
+SCM_API SCM scm_sym_uq_splicing;
+
+SCM_API SCM scm_sym_at;
+SCM_API SCM scm_sym_atat;
+SCM_API SCM scm_sym_delay;
+SCM_API SCM scm_sym_eval_when;
+SCM_API SCM scm_sym_arrow;
+SCM_API SCM scm_sym_else;
+SCM_API SCM scm_sym_apply;
+SCM_API SCM scm_sym_set_x;
+SCM_API SCM scm_sym_args;
+
+/* {Memoized Source}
+ */
+
+#define SCM_MEMOIZED_TAG(x) (scm_to_uint16 (scm_car (x)))
+#define SCM_MEMOIZED_ARGS(x) (scm_cdr (x))
+
+enum
+ {
+ SCM_M_SEQ,
+ SCM_M_IF,
+ SCM_M_LAMBDA,
+ SCM_M_CAPTURE_ENV,
+ SCM_M_LET,
+ SCM_M_QUOTE,
+ SCM_M_CAPTURE_MODULE,
+ SCM_M_APPLY,
+ SCM_M_CONT,
+ SCM_M_CALL_WITH_VALUES,
+ SCM_M_CALL,
+ SCM_M_LEXICAL_REF,
+ SCM_M_LEXICAL_SET,
+ SCM_M_BOX_REF,
+ SCM_M_BOX_SET,
+ SCM_M_RESOLVE,
+ SCM_M_CALL_WITH_PROMPT
+ };
+
+
+
+
+SCM_INTERNAL SCM scm_memoize_expression (SCM exp);
+SCM_INTERNAL SCM scm_unmemoize_expression (SCM memoized);
+SCM_INTERNAL SCM scm_memoized_typecode (SCM sym);
+SCM_INTERNAL SCM scm_sys_resolve_variable (SCM loc, SCM module);
+
+SCM_INTERNAL void scm_init_memoize (void);
+
+
+#endif /* SCM_MEMOIZE_H */