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-rw-r--r--libbanshee/engine/term-sort.h101
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diff --git a/libbanshee/engine/term-sort.h b/libbanshee/engine/term-sort.h
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-/*
- * Copyright (c) 2000-2001
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- */
-
-#ifndef TERM_SORT_H
-#define TERM_SORT_H
-
-#include <stdio.h>
-#include "banshee.h"
-#include "termhash.h"
-#include "term-var.h"
-
-EXTERN_C_BEGIN
-
-extern bool flag_occurs_check;
-extern region term_sort_region;
-extern term_hash term_sort_hash;
-
-struct gen_term /* extends gen_e */
-{
-#ifdef NONSPEC
- const sort_kind sort;
-#endif
- const int type;
- const stamp st;
-};
-
-typedef struct gen_term *gen_term;
-
-/* return TRUE if v occurs in e, fals otherwise */
-typedef bool (* occurs_check_fn_ptr) (term_var v, gen_e e);
-
-stamp term_get_stamp(gen_e e);
-
-gen_e term_fresh(const char *name);
-gen_e term_fresh_large(const char *name);
-gen_e term_fresh_small(const char *name);
-gen_e term_zero(void);
-gen_e term_one(void);
-gen_e term_constant(const char *name);
-
-bool term_is_zero(gen_e e);
-bool term_is_one(gen_e e);
-bool term_is_var(gen_e e);
-bool term_is_constant(gen_e e);
-
-char *term_get_constant_name(gen_e e);
-gen_e term_get_ecr(gen_e e);
-
-void term_unify(con_match_fn_ptr con_match, occurs_check_fn_ptr occurs,
- gen_e e1, gen_e e2);
-void term_cunify(con_match_fn_ptr con_match, occurs_check_fn_ptr occurs,
- gen_e e1, gen_e e2);
-
-void term_print_stats(FILE *f);
-void term_print_constraint_graph(FILE *f);
-
-void term_init(void);
-void term_reset(void);
-
-extern struct term_stats term_stats;
-
-struct term_stats
-{
- int fresh;
- int fresh_small;
- int fresh_large;
-};
-
-EXTERN_C_END
-
-#endif /* TERM_SORT_H */
-
-
-