61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
/*
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* Copyright (c) 2000-2001
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#ifndef TERM_VAR_H
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#define TERM_VAR_H
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#include "linkage.h"
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#include "banshee.h"
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EXTERN_C_BEGIN
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typedef struct term_var *term_var;
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DECLARE_LIST(term_var_list,term_var)
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term_var tv_fresh(region r, const char *name);
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term_var tv_fresh_small(region r, const char *name);
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term_var tv_fresh_large(region r, const char *name);
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const char *tv_get_name(term_var v);
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gen_e_list tv_get_pending(term_var v);
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void tv_add_pending(term_var v,gen_e e);
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void tv_unify(term_var v, gen_e e);
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void tv_unify_vars(term_var v1, term_var v2);
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gen_e tv_get_ecr(term_var v);
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EXTERN_C_END
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#endif /* TERM_VAR_H */
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