958 lines
24 KiB
C
958 lines
24 KiB
C
/****************************************
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File: tries.c
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Author: Ricardo Rocha
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Comments: Tries module for Yap Prolog
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version: $ID$
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****************************************/
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/* -------------------------- */
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/* Includes */
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/* -------------------------- */
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#include <YapInterface.h>
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#include <string.h>
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#include <stdio.h>
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#include "core_tries.h"
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#include "base_tries.h"
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/* -------------------------- */
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/* Structures */
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/* -------------------------- */
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typedef struct {
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YAP_Term value;
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} db_trie_opt_level;
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/* -------------------------- */
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/* Procedures */
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/* -------------------------- */
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void init_tries(void);
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static YAP_Bool p_trie_open(void);
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static YAP_Bool p_trie_close(void);
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static YAP_Bool p_trie_close_all(void);
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static YAP_Bool p_trie_mode(void);
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static YAP_Bool p_trie_put_entry(void);
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static YAP_Bool p_trie_check_entry(void);
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static YAP_Bool p_trie_get_entry(void);
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static YAP_Bool p_trie_get_first_entry(void);
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static YAP_Bool p_trie_get_last_entry(void);
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static YAP_Bool p_trie_traverse_init(void);
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static YAP_Bool p_trie_traverse_cont(void);
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static YAP_Bool p_trie_remove_entry(void);
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static YAP_Bool p_trie_remove_subtree(void);
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static YAP_Bool p_trie_join(void);
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static YAP_Bool p_trie_intersect(void);
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static YAP_Bool p_trie_count_join(void);
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static YAP_Bool p_trie_count_intersect(void);
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static YAP_Bool p_trie_save(void);
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static YAP_Bool p_trie_load(void);
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static YAP_Bool p_trie_stats(void);
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static YAP_Bool p_trie_max_stats(void);
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static YAP_Bool p_trie_usage(void);
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static YAP_Bool p_trie_print(void);
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static YAP_Bool p_trie_traverse_mode(void);
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static YAP_Bool p_trie_disable_hash(void);
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static YAP_Bool p_trie_enable_hash(void);
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static YAP_Bool p_trie_traverse_first(void);
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static YAP_Bool p_trie_traverse_next(void);
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static YAP_Bool p_trie_to_list(void);
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/* dbtries support */
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static YAP_Bool p_trie_depth_breadth(void);
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static YAP_Bool p_trie_get_depth_breadth_reduction_current_data(void);
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static YAP_Bool p_trie_get_db_opt_level_count_init(void);
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static YAP_Bool p_trie_get_db_opt_level_count_cont(void);
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static YAP_Bool p_trie_replace_nested_trie(void);
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static YAP_Bool p_trie_db_opt_min_prefix(void);
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/* backwards compatibility */
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static YAP_Bool p_open_trie(void);
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static YAP_Bool p_close_trie(void);
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static YAP_Bool p_close_all_tries(void);
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static YAP_Bool p_put_trie_entry(void);
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static YAP_Bool p_get_trie_entry(void);
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static YAP_Bool p_remove_trie_entry(void);
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static YAP_Bool p_print_trie(void);
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/* -------------------------- */
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/* Module Init Procedure */
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/* -------------------------- */
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void init_tries(void) {
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trie_init_module();
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YAP_UserCPredicate("trie_open", p_trie_open, 1);
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YAP_UserCPredicate("trie_close", p_trie_close, 1);
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YAP_UserCPredicate("trie_close_all", p_trie_close_all, 0);
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YAP_UserCPredicate("trie_mode", p_trie_mode, 1);
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YAP_UserCPredicate("trie_put_entry", p_trie_put_entry, 3);
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YAP_UserCPredicate("trie_check_entry", p_trie_check_entry, 3);
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YAP_UserCPredicate("trie_get_entry", p_trie_get_entry, 2);
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YAP_UserCPredicate("trie_get_first_entry", p_trie_get_first_entry, 2);
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YAP_UserCPredicate("trie_get_last_entry", p_trie_get_last_entry, 2);
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YAP_UserBackCPredicate("trie_traverse", p_trie_traverse_init, p_trie_traverse_cont, 3, 0);
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YAP_UserCPredicate("trie_remove_entry", p_trie_remove_entry, 1);
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YAP_UserCPredicate("trie_remove_subtree", p_trie_remove_subtree, 1);
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YAP_UserCPredicate("trie_join", p_trie_join, 2);
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YAP_UserCPredicate("trie_intersect", p_trie_intersect, 2);
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YAP_UserCPredicate("trie_count_join", p_trie_count_join, 3);
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YAP_UserCPredicate("trie_count_intersect", p_trie_count_intersect, 3);
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YAP_UserCPredicate("trie_save", p_trie_save, 2);
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YAP_UserCPredicate("trie_load", p_trie_load, 2);
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YAP_UserCPredicate("trie_usage", p_trie_usage, 4);
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YAP_UserCPredicate("trie_stats", p_trie_stats, 4);
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YAP_UserCPredicate("trie_max_stats", p_trie_max_stats, 4);
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YAP_UserCPredicate("trie_print", p_trie_print, 1);
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YAP_UserCPredicate("trie_traverse_mode", p_trie_traverse_mode, 1);
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YAP_UserCPredicate("trie_disable_hash", p_trie_disable_hash, 0);
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YAP_UserCPredicate("trie_enable_hash", p_trie_enable_hash, 0);
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YAP_UserCPredicate("trie_traverse_first", p_trie_traverse_first, 2);
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YAP_UserCPredicate("trie_traverse_next", p_trie_traverse_next, 2);
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YAP_UserCPredicate("trie_to_list", p_trie_to_list, 2);
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/* dbtries support */
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YAP_UserCPredicate("trie_depth_breadth", p_trie_depth_breadth, 6);
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YAP_UserCPredicate("trie_get_depth_breadth_reduction_entry", p_trie_get_depth_breadth_reduction_current_data, 1);
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YAP_UserBackCPredicate("trie_get_depth_breadth_reduction_opt_level_count", p_trie_get_db_opt_level_count_init, p_trie_get_db_opt_level_count_cont, 2, sizeof(db_trie_opt_level));
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YAP_UserCPredicate("trie_replace_nested_trie", p_trie_replace_nested_trie, 3);
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YAP_UserCPredicate("trie_db_opt_min_prefix", p_trie_db_opt_min_prefix, 1);
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/* backwards compatibility */
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YAP_UserCPredicate("open_trie", p_open_trie, 1);
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YAP_UserCPredicate("close_trie", p_close_trie, 1);
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YAP_UserCPredicate("close_all_tries", p_close_all_tries, 0);
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YAP_UserCPredicate("put_trie_entry", p_put_trie_entry, 4);
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YAP_UserCPredicate("get_trie_entry", p_get_trie_entry, 3);
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YAP_UserCPredicate("remove_trie_entry", p_remove_trie_entry, 1);
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YAP_UserCPredicate("print_trie", p_print_trie, 1);
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return;
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}
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/* --------------------------------- */
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/* Backwards Compatibility */
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/* --------------------------------- */
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/* open_trie(-Trie) */
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static YAP_Bool p_open_trie(void) {
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return p_trie_open();
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}
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/* close_trie(+Trie) */
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static YAP_Bool p_close_trie(void) {
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return p_trie_close();
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}
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/* close_all_tries() */
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static YAP_Bool p_close_all_tries(void) {
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return p_trie_close_all();
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}
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/* put_trie_entry(+Mode,+Trie,+Entry,-Ref) */
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#define arg_mode YAP_ARG1
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#define arg_trie YAP_ARG2
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#define arg_entry YAP_ARG3
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#define arg_ref YAP_ARG4
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static YAP_Bool p_put_trie_entry(void) {
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TrData data;
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const char *mode_str;
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YAP_Int mode, current_mode;
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/* check args */
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mode_str = YAP_AtomName(YAP_AtomOfTerm(arg_mode));
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if (!strcmp(mode_str, "std"))
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mode = TRIE_MODE_STANDARD;
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else if (!strcmp(mode_str, "rev"))
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mode = TRIE_MODE_REVERSE;
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else
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return FALSE;
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if (!YAP_IsIntTerm(arg_trie))
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return FALSE;
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/* put trie entry */
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current_mode = trie_get_mode();
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trie_set_mode(mode);
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data = trie_put_entry((TrEntry) YAP_IntOfTerm(arg_trie), arg_entry);
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trie_set_mode(current_mode);
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return YAP_Unify(arg_ref, YAP_MkIntTerm((YAP_Int) data));
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}
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#undef arg_mode
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#undef arg_trie
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#undef arg_entry
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#undef arg_ref
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/* get_trie_entry(+Mode,+Ref,-Entry) */
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#define arg_mode YAP_ARG1
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#define arg_ref YAP_ARG2
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#define arg_entry YAP_ARG3
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static YAP_Bool p_get_trie_entry(void) {
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YAP_Term entry;
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const char *mode_str;
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YAP_Int mode, current_mode;
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/* check args */
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mode_str = YAP_AtomName(YAP_AtomOfTerm(arg_mode));
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if (!strcmp(mode_str, "std"))
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mode = TRIE_MODE_STANDARD;
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else if (!strcmp(mode_str, "rev"))
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mode = TRIE_MODE_REVERSE;
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else
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return FALSE;
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if (!YAP_IsIntTerm(arg_ref))
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return FALSE;
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/* get trie entry */
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current_mode = trie_get_mode();
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trie_set_mode(mode);
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entry = trie_get_entry((TrData) YAP_IntOfTerm(arg_ref));
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trie_set_mode(current_mode);
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return YAP_Unify(arg_entry, entry);
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}
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#undef arg_mode
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#undef arg_ref
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#undef arg_entry
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/* remove_trie_entry(+Ref) */
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static YAP_Bool p_remove_trie_entry(void) {
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return p_trie_remove_entry();
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}
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/* print_trie(+Trie) */
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static YAP_Bool p_print_trie(void) {
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return p_trie_print();
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}
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/* -------------------------- */
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/* Local Procedures */
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/* -------------------------- */
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/* trie_open(-Trie) */
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#define arg_trie YAP_ARG1
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static YAP_Bool p_trie_open(void) {
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TrEntry trie;
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/* check arg */
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if (!YAP_IsVarTerm(arg_trie))
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return FALSE;
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/* open trie */
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trie = trie_open();
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return YAP_Unify(arg_trie, YAP_MkIntTerm((YAP_Int) trie));
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}
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#undef arg_trie
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/* trie_close(+Trie) */
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#define arg_trie YAP_ARG1
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static YAP_Bool p_trie_close(void) {
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/* check arg */
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if (!YAP_IsIntTerm(arg_trie))
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return FALSE;
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/* close trie */
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trie_close((TrEntry) YAP_IntOfTerm(arg_trie));
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return TRUE;
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}
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#undef arg_trie
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/* trie_close_all() */
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static YAP_Bool p_trie_close_all(void) {
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trie_close_all();
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return TRUE;
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}
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/* trie_mode(?Mode) */
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#define arg_mode YAP_ARG1
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static YAP_Bool p_trie_mode(void) {
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YAP_Term mode_term;
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const char *mode_str;
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YAP_Int mode;
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/* get mode */
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if (YAP_IsVarTerm(arg_mode)) {
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mode = trie_get_mode();
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if (mode == TRIE_MODE_STANDARD)
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mode_term = YAP_MkAtomTerm(YAP_LookupAtom("std"));
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else if (mode == TRIE_MODE_REVERSE)
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mode_term = YAP_MkAtomTerm(YAP_LookupAtom("rev"));
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else
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return FALSE;
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return YAP_Unify(arg_mode, mode_term);
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}
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/* set mode */
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mode_str = YAP_AtomName(YAP_AtomOfTerm(arg_mode));
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if (!strcmp(mode_str, "std"))
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mode = TRIE_MODE_STANDARD;
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else if (!strcmp(mode_str, "rev"))
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mode = TRIE_MODE_REVERSE;
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else
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return FALSE;
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trie_set_mode(mode);
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return TRUE;
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}
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#undef arg_mode
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/* trie_put_entry(+Trie,+Entry,-Ref) */
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#define arg_trie YAP_ARG1
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#define arg_entry YAP_ARG2
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#define arg_ref YAP_ARG3
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static YAP_Bool p_trie_put_entry(void) {
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TrData data;
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/* check args */
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if (!YAP_IsIntTerm(arg_trie))
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return FALSE;
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/* put trie entry */
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data = trie_put_entry((TrEntry) YAP_IntOfTerm(arg_trie), arg_entry);
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return YAP_Unify(arg_ref, YAP_MkIntTerm((YAP_Int) data));
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}
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#undef arg_trie
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#undef arg_entry
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#undef arg_ref
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/* trie_check_entry(+Trie,+Entry,-Ref) */
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#define arg_trie YAP_ARG1
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#define arg_entry YAP_ARG2
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#define arg_ref YAP_ARG3
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static YAP_Bool p_trie_check_entry(void) {
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TrData data;
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/* check args */
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if (!YAP_IsIntTerm(arg_trie))
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return FALSE;
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/* check trie entry */
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if (!(data = trie_check_entry((TrEntry) YAP_IntOfTerm(arg_trie), arg_entry)))
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return FALSE;
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return YAP_Unify(arg_ref, YAP_MkIntTerm((YAP_Int) data));
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}
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#undef arg_trie
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#undef arg_entry
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#undef arg_ref
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/* trie_get_entry(+Ref,-Entry) */
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#define arg_ref YAP_ARG1
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#define arg_entry YAP_ARG2
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static YAP_Bool p_trie_get_entry(void) {
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YAP_Term entry;
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/* check args */
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if (!YAP_IsIntTerm(arg_ref))
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return FALSE;
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/* get trie entry */
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entry = trie_get_entry((TrData) YAP_IntOfTerm(arg_ref));
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return YAP_Unify(arg_entry, entry);
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}
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#undef arg_ref
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#undef arg_entry
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/* trie_get_first_entry(+Trie,-Ref) */
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#define arg_trie YAP_ARG1
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#define arg_ref YAP_ARG2
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static YAP_Bool p_trie_get_first_entry(void) {
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TrData data;
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/* check args */
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if (!YAP_IsIntTerm(arg_trie))
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return FALSE;
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/* get first trie entry */
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if (!(data = trie_get_first_entry((TrEntry) YAP_IntOfTerm(arg_trie))))
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return FALSE;
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return YAP_Unify(arg_ref, YAP_MkIntTerm((YAP_Int) data));
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}
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#undef arg_trie
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#undef arg_ref
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/* trie_get_last_entry(+Trie,-Ref) */
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#define arg_trie YAP_ARG1
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#define arg_ref YAP_ARG2
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static YAP_Bool p_trie_get_last_entry(void) {
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TrData data;
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/* check args */
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if (!YAP_IsIntTerm(arg_trie))
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return FALSE;
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/* get last trie entry */
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if (!(data = trie_get_last_entry((TrEntry) YAP_IntOfTerm(arg_trie))))
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return FALSE;
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return YAP_Unify(arg_ref, YAP_MkIntTerm((YAP_Int) data));
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}
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#undef arg_trie
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#undef arg_ref
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/* trie_traverse(+Trie,+FirstRef,-Ref) */
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#define arg_trie YAP_ARG1
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#define arg_init_ref YAP_ARG2
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#define arg_ref YAP_ARG3
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static YAP_Bool p_trie_traverse_init(void) {
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TrData data;
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/* check args */
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if (!YAP_IsIntTerm(arg_trie))
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return FALSE;
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if (!YAP_IsIntTerm(arg_init_ref))
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return FALSE;
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/* traverse trie */
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if (!(data = trie_traverse_init((TrEntry) YAP_IntOfTerm(arg_trie), (TrData) YAP_IntOfTerm(arg_init_ref)))) {
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YAP_cut_fail();
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return FALSE;
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}
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return YAP_Unify(arg_ref, YAP_MkIntTerm((YAP_Int) data));
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}
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#undef arg_trie
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#undef arg_init_ref
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#undef arg_ref
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/* trie_traverse(+Trie,+FirstRef,-Ref) */
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#define arg_trie YAP_ARG1
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#define arg_init_ref YAP_ARG2
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#define arg_ref YAP_ARG3
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static YAP_Bool p_trie_traverse_cont(void) {
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TrData data;
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/* traverse trie */
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if (!(data = trie_traverse_cont((TrEntry) YAP_IntOfTerm(arg_trie)))) {
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YAP_cut_fail();
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return FALSE;
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}
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return YAP_Unify(arg_ref, YAP_MkIntTerm((YAP_Int) data));
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}
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#undef arg_trie
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#undef arg_init_ref
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#undef arg_ref
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/* trie_remove_entry(+Ref) */
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#define arg_ref YAP_ARG1
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static YAP_Bool p_trie_remove_entry(void) {
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/* check arg */
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if (!YAP_IsIntTerm(arg_ref))
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return FALSE;
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/* remove trie entry */
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trie_remove_entry((TrData) YAP_IntOfTerm(arg_ref));
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return TRUE;
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}
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#undef arg_ref
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/* trie_remove_subtree(+Ref) */
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#define arg_ref YAP_ARG1
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static YAP_Bool p_trie_remove_subtree(void) {
|
|
/* check arg */
|
|
if (!YAP_IsIntTerm(arg_ref))
|
|
return FALSE;
|
|
|
|
/* remove trie subtree */
|
|
trie_remove_subtree((TrData) YAP_IntOfTerm(arg_ref));
|
|
return TRUE;
|
|
}
|
|
#undef arg_ref
|
|
|
|
|
|
/* trie_join(+TrieDest,+TrieSource) */
|
|
#define arg_trie_dest YAP_ARG1
|
|
#define arg_trie_source YAP_ARG2
|
|
static YAP_Bool p_trie_join(void) {
|
|
/* check args */
|
|
if (!YAP_IsIntTerm(arg_trie_dest))
|
|
return FALSE;
|
|
if (!YAP_IsIntTerm(arg_trie_source))
|
|
return FALSE;
|
|
|
|
/* join trie */
|
|
trie_join((TrEntry) YAP_IntOfTerm(arg_trie_dest), (TrEntry) YAP_IntOfTerm(arg_trie_source));
|
|
return TRUE;
|
|
}
|
|
#undef arg_trie_dest
|
|
#undef arg_trie_source
|
|
|
|
|
|
/* trie_intersect(+TrieDest,+TrieSource) */
|
|
#define arg_trie_dest YAP_ARG1
|
|
#define arg_trie_source YAP_ARG2
|
|
static YAP_Bool p_trie_intersect(void) {
|
|
/* check args */
|
|
if (!YAP_IsIntTerm(arg_trie_dest))
|
|
return FALSE;
|
|
if (!YAP_IsIntTerm(arg_trie_source))
|
|
return FALSE;
|
|
|
|
/* intersect trie */
|
|
trie_intersect((TrEntry) YAP_IntOfTerm(arg_trie_dest), (TrEntry) YAP_IntOfTerm(arg_trie_source));
|
|
return TRUE;
|
|
}
|
|
#undef arg_trie_dest
|
|
#undef arg_trie_source
|
|
|
|
|
|
/* trie_count_join(+Trie1,+Trie2,-Entries) */
|
|
#define arg_trie1 YAP_ARG1
|
|
#define arg_trie2 YAP_ARG2
|
|
#define arg_entries YAP_ARG3
|
|
static YAP_Bool p_trie_count_join(void) {
|
|
YAP_Int entries;
|
|
|
|
/* check args */
|
|
if (!YAP_IsIntTerm(arg_trie1))
|
|
return FALSE;
|
|
if (!YAP_IsIntTerm(arg_trie2))
|
|
return FALSE;
|
|
|
|
/* count join trie */
|
|
entries = trie_count_join((TrEntry) YAP_IntOfTerm(arg_trie1), (TrEntry) YAP_IntOfTerm(arg_trie2));
|
|
return YAP_Unify(arg_entries, YAP_MkIntTerm(entries));
|
|
}
|
|
#undef arg_trie1
|
|
#undef arg_trie2
|
|
#undef arg_entries
|
|
|
|
|
|
/* trie_count_intersect(+Trie1,+Trie2,-Entries) */
|
|
#define arg_trie1 YAP_ARG1
|
|
#define arg_trie2 YAP_ARG2
|
|
#define arg_entries YAP_ARG3
|
|
static YAP_Bool p_trie_count_intersect(void) {
|
|
YAP_Int entries;
|
|
|
|
/* check args */
|
|
if (!YAP_IsIntTerm(arg_trie1))
|
|
return FALSE;
|
|
if (!YAP_IsIntTerm(arg_trie2))
|
|
return FALSE;
|
|
|
|
/* count intersect trie */
|
|
entries = trie_count_intersect((TrEntry) YAP_IntOfTerm(arg_trie1), (TrEntry) YAP_IntOfTerm(arg_trie2));
|
|
return YAP_Unify(arg_entries, YAP_MkIntTerm(entries));
|
|
}
|
|
#undef arg_trie1
|
|
#undef arg_trie2
|
|
#undef arg_entries
|
|
|
|
|
|
/* trie_save(+Trie,+FileName) */
|
|
#define arg_trie YAP_ARG1
|
|
#define arg_file YAP_ARG2
|
|
static YAP_Bool p_trie_save(void) {
|
|
const char *file_str;
|
|
FILE *file;
|
|
|
|
/* check args */
|
|
if (!YAP_IsIntTerm(arg_trie))
|
|
return FALSE;
|
|
if (!YAP_IsAtomTerm(arg_file))
|
|
return FALSE;
|
|
|
|
/* open file */
|
|
file_str = YAP_AtomName(YAP_AtomOfTerm(arg_file));
|
|
if (!(file = fopen(file_str, "w")))
|
|
return FALSE;
|
|
|
|
/* save trie and close file */
|
|
trie_save((TrEntry) YAP_IntOfTerm(arg_trie), file);
|
|
if (fclose(file))
|
|
return FALSE;
|
|
return TRUE;
|
|
}
|
|
#undef arg_trie
|
|
#undef arg_file
|
|
|
|
|
|
/* trie_load(-Trie,+FileName) */
|
|
#define arg_trie YAP_ARG1
|
|
#define arg_file YAP_ARG2
|
|
static YAP_Bool p_trie_load(void) {
|
|
TrEntry data;
|
|
const char *file_str;
|
|
FILE *file;
|
|
|
|
/* check args */
|
|
if (!YAP_IsVarTerm(arg_trie))
|
|
return FALSE;
|
|
if (!YAP_IsAtomTerm(arg_file))
|
|
return FALSE;
|
|
|
|
/* open file */
|
|
file_str = YAP_AtomName(YAP_AtomOfTerm(arg_file));
|
|
if (!(file = fopen(file_str, "r")))
|
|
return FALSE;
|
|
|
|
/* load trie and close file */
|
|
if (!(data = trie_load(file)))
|
|
return FALSE;
|
|
if (fclose(file))
|
|
return FALSE;
|
|
return YAP_Unify(arg_trie, YAP_MkIntTerm((YAP_Int) data));
|
|
}
|
|
#undef arg_trie
|
|
#undef arg_file
|
|
|
|
|
|
/* trie_stats(-Memory,-Tries,-Entries,-Nodes) */
|
|
#define arg_memory YAP_ARG1
|
|
#define arg_tries YAP_ARG2
|
|
#define arg_entries YAP_ARG3
|
|
#define arg_nodes YAP_ARG4
|
|
static YAP_Bool p_trie_stats(void) {
|
|
YAP_Int memory, tries, entries, nodes;
|
|
|
|
/* get stats */
|
|
trie_stats(&memory, &tries, &entries, &nodes);
|
|
if (!YAP_Unify(arg_memory, YAP_MkIntTerm(memory)))
|
|
return FALSE;
|
|
if (!YAP_Unify(arg_tries, YAP_MkIntTerm(tries)))
|
|
return FALSE;
|
|
if (!YAP_Unify(arg_entries, YAP_MkIntTerm(entries)))
|
|
return FALSE;
|
|
if (!YAP_Unify(arg_nodes, YAP_MkIntTerm(nodes)))
|
|
return FALSE;
|
|
return TRUE;
|
|
}
|
|
#undef arg_memory
|
|
#undef arg_tries
|
|
#undef arg_entries
|
|
#undef arg_nodes
|
|
|
|
|
|
/* trie_max_stats(-Memory,-Tries,-Entries,-Nodes) */
|
|
#define arg_memory YAP_ARG1
|
|
#define arg_tries YAP_ARG2
|
|
#define arg_entries YAP_ARG3
|
|
#define arg_nodes YAP_ARG4
|
|
static YAP_Bool p_trie_max_stats(void) {
|
|
YAP_Int memory, tries, entries, nodes;
|
|
|
|
/* get stats */
|
|
trie_max_stats(&memory, &tries, &entries, &nodes);
|
|
if (!YAP_Unify(arg_memory, YAP_MkIntTerm(memory)))
|
|
return FALSE;
|
|
if (!YAP_Unify(arg_tries, YAP_MkIntTerm(tries)))
|
|
return FALSE;
|
|
if (!YAP_Unify(arg_entries, YAP_MkIntTerm(entries)))
|
|
return FALSE;
|
|
if (!YAP_Unify(arg_nodes, YAP_MkIntTerm(nodes)))
|
|
return FALSE;
|
|
return TRUE;
|
|
}
|
|
#undef arg_memory
|
|
#undef arg_tries
|
|
#undef arg_entries
|
|
#undef arg_nodes
|
|
|
|
|
|
/* trie_usage(+Trie,-Entries,-Nodes,-VirtualNodes) */
|
|
#define arg_trie YAP_ARG1
|
|
#define arg_entries YAP_ARG2
|
|
#define arg_nodes YAP_ARG3
|
|
#define arg_virtualnodes YAP_ARG4
|
|
static YAP_Bool p_trie_usage(void) {
|
|
YAP_Int entries, nodes, virtualnodes;
|
|
|
|
/* check arg */
|
|
if (!YAP_IsIntTerm(arg_trie))
|
|
return FALSE;
|
|
|
|
/* get trie usage */
|
|
trie_usage((TrEntry) YAP_IntOfTerm(arg_trie), &entries, &nodes, &virtualnodes);
|
|
if (!YAP_Unify(arg_entries, YAP_MkIntTerm(entries)))
|
|
return FALSE;
|
|
if (!YAP_Unify(arg_nodes, YAP_MkIntTerm(nodes)))
|
|
return FALSE;
|
|
if (!YAP_Unify(arg_virtualnodes, YAP_MkIntTerm(virtualnodes)))
|
|
return FALSE;
|
|
return TRUE;
|
|
}
|
|
#undef arg_trie
|
|
#undef arg_entries
|
|
#undef arg_nodes
|
|
#undef arg_virtualnodes
|
|
|
|
|
|
/* trie_print(+Trie) */
|
|
#define arg_trie YAP_ARG1
|
|
static YAP_Bool p_trie_print(void) {
|
|
/* check arg */
|
|
if (!YAP_IsIntTerm(arg_trie))
|
|
return FALSE;
|
|
|
|
/* print trie */
|
|
trie_print((TrEntry) YAP_IntOfTerm(arg_trie));
|
|
return TRUE;
|
|
}
|
|
#undef arg_trie
|
|
|
|
|
|
/* trie_traverse_mode(?Mode) */
|
|
#define arg_mode YAP_ARG1
|
|
static YAP_Bool p_trie_traverse_mode(void) {
|
|
YAP_Term mode_term;
|
|
const char *mode_str;
|
|
YAP_Int mode;
|
|
|
|
/* get mode */
|
|
if (YAP_IsVarTerm(arg_mode)) {
|
|
mode = trie_get_traverse_mode();
|
|
if (mode == TRAVERSE_MODE_FORWARD)
|
|
mode_term = YAP_MkAtomTerm(YAP_LookupAtom("forward"));
|
|
else if (mode == TRAVERSE_MODE_BACKWARD)
|
|
mode_term = YAP_MkAtomTerm(YAP_LookupAtom("backward"));
|
|
else
|
|
return FALSE;
|
|
return YAP_Unify(arg_mode, mode_term);
|
|
}
|
|
|
|
/* set mode */
|
|
mode_str = YAP_AtomName(YAP_AtomOfTerm(arg_mode));
|
|
if (!strcmp(mode_str, "forward"))
|
|
mode = TRAVERSE_MODE_FORWARD;
|
|
else if (!strcmp(mode_str, "backward"))
|
|
mode = TRAVERSE_MODE_BACKWARD;
|
|
else
|
|
return FALSE;
|
|
trie_set_traverse_mode(mode);
|
|
return TRUE;
|
|
}
|
|
#undef arg_mode
|
|
|
|
|
|
/* trie_traverse_first(+Trie, -Ref) */
|
|
#define arg_trie YAP_ARG1
|
|
#define arg_ref YAP_ARG2
|
|
static YAP_Bool p_trie_traverse_first(void) {
|
|
TrData data;
|
|
|
|
/* check arg */
|
|
if (!YAP_IsIntTerm(arg_trie))
|
|
return FALSE;
|
|
|
|
/* traverse trie */
|
|
if (!(data = trie_traverse_first((TrEntry) YAP_IntOfTerm(arg_trie)))) {
|
|
return FALSE;
|
|
}
|
|
return YAP_Unify(arg_ref, YAP_MkIntTerm((YAP_Int) data));
|
|
}
|
|
#undef arg_trie
|
|
#undef arg_ref
|
|
|
|
|
|
/* trie_traverse_next(+Ref, -Ref) */
|
|
#define arg_cur YAP_ARG1
|
|
#define arg_next YAP_ARG2
|
|
static YAP_Bool p_trie_traverse_next(void) {
|
|
TrData data;
|
|
|
|
/* check arg */
|
|
if (!YAP_IsIntTerm(arg_cur))
|
|
return FALSE;
|
|
|
|
/* traverse trie */
|
|
if (!(data = trie_traverse_next((TrData) YAP_IntOfTerm(arg_cur)))) {
|
|
return FALSE;
|
|
}
|
|
return YAP_Unify(arg_next, YAP_MkIntTerm((YAP_Int) data));
|
|
}
|
|
#undef arg_cur
|
|
#undef arg_next
|
|
|
|
|
|
/* trie_disable_hash */
|
|
static YAP_Bool p_trie_disable_hash(void) {
|
|
trie_disable_hash_table();
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/* trie_enable_hash */
|
|
static YAP_Bool p_trie_enable_hash(void) {
|
|
trie_enable_hash_table();
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/* trie_to_list(+Trie, -List) */
|
|
#define arg_trie YAP_ARG1
|
|
#define arg_list YAP_ARG2
|
|
static YAP_Bool p_trie_to_list(void) {
|
|
YAP_Term list;
|
|
|
|
/* check arg */
|
|
if (!YAP_IsIntTerm(arg_trie))
|
|
return FALSE;
|
|
|
|
/* get list from trie */
|
|
list = trie_to_list((TrEntry) YAP_IntOfTerm(arg_trie));
|
|
return YAP_Unify(arg_list, list);
|
|
}
|
|
#undef arg_trie
|
|
#undef arg_list
|
|
|
|
|
|
/* trie_depth_breadth(+Trie, -DepthBreadthTrie, -FinalLabel, +OptimizationLevel, +StartCounter, -EndCounter) */
|
|
#define arg_trie YAP_ARG1
|
|
#define arg_db_trie YAP_ARG2
|
|
#define arg_final_label YAP_ARG3
|
|
#define arg_opt_level YAP_ARG4
|
|
#define arg_start_counter YAP_ARG5
|
|
#define arg_end_counter YAP_ARG6
|
|
static YAP_Bool p_trie_depth_breadth(void) {
|
|
/* get depth breadth trie */
|
|
if (!YAP_IsIntTerm(arg_opt_level))
|
|
return FALSE;
|
|
if (!YAP_IsIntTerm(arg_start_counter))
|
|
return FALSE;
|
|
YAP_Int End;
|
|
YAP_Term t = trie_depth_breadth((TrEntry) YAP_IntOfTerm(arg_trie), (TrEntry) YAP_IntOfTerm(arg_db_trie), YAP_IntOfTerm(arg_opt_level), YAP_IntOfTerm(arg_start_counter), &End);
|
|
int a = YAP_Unify(t, arg_final_label);
|
|
a = a && YAP_Unify(YAP_MkIntTerm(End), arg_end_counter);
|
|
return a;
|
|
}
|
|
#undef arg_trie
|
|
#undef arg_db_trie
|
|
#undef arg_final_label
|
|
#undef arg_opt_level
|
|
#undef arg_start_counter
|
|
#undef arg_end_counter
|
|
|
|
|
|
/* trie_get_depth_breadth_reduction_entry(-Entry) */
|
|
#define arg_entry YAP_ARG1
|
|
static YAP_Bool p_trie_get_depth_breadth_reduction_current_data(void) {
|
|
TrData data = trie_get_depth_breadth_reduction_current_data();
|
|
if (data)
|
|
return YAP_Unify(arg_entry, YAP_MkIntTerm((YAP_Int) data));
|
|
return FALSE;
|
|
}
|
|
#undef arg_entry
|
|
|
|
|
|
db_trie_opt_level *opt_level;
|
|
|
|
/* trie_get_depth_breadth_reduction_opt_level_count(?OptLevel, -Count) */
|
|
#define arg_opt_level YAP_ARG1
|
|
#define arg_count YAP_ARG2
|
|
static YAP_Bool p_trie_get_db_opt_level_count_init(void) {
|
|
if (YAP_IsIntTerm(arg_opt_level)) {
|
|
if (YAP_IntOfTerm(arg_opt_level) > 0 && YAP_IntOfTerm(arg_opt_level) < 4) {
|
|
if (YAP_Unify(arg_count, YAP_MkIntTerm(trie_get_db_opt_level_count(YAP_IntOfTerm(arg_opt_level))))) {
|
|
YAP_cut_succeed();
|
|
return TRUE;
|
|
} else {
|
|
YAP_cut_fail();
|
|
return FALSE;
|
|
}
|
|
} else {
|
|
YAP_cut_fail();
|
|
return FALSE;
|
|
}
|
|
}
|
|
if (YAP_IsVarTerm(arg_opt_level)) {
|
|
YAP_PRESERVE_DATA(opt_level, db_trie_opt_level);
|
|
opt_level->value = YAP_MkIntTerm(1);
|
|
if (YAP_Unify(arg_opt_level, opt_level->value)) {
|
|
return YAP_Unify(arg_count, YAP_MkIntTerm(trie_get_db_opt_level_count(YAP_IntOfTerm(arg_opt_level))));
|
|
}
|
|
YAP_cut_fail();
|
|
return FALSE;
|
|
}
|
|
YAP_cut_fail();
|
|
return FALSE;
|
|
}
|
|
#undef arg_opt_level
|
|
#undef arg_count
|
|
|
|
|
|
/* trie_get_depth_breadth_reduction_opt_level_count(?OptLevel, -Count) */
|
|
#define arg_opt_level YAP_ARG1
|
|
#define arg_count YAP_ARG2
|
|
static YAP_Bool p_trie_get_db_opt_level_count_cont(void) {
|
|
YAP_PRESERVED_DATA(opt_level, db_trie_opt_level);
|
|
opt_level->value = YAP_MkIntTerm(YAP_IntOfTerm(opt_level->value) + 1);
|
|
if (YAP_IntOfTerm(opt_level->value) < 4) {
|
|
if (YAP_Unify(arg_opt_level, opt_level->value))
|
|
return YAP_Unify(arg_count, YAP_MkIntTerm(trie_get_db_opt_level_count(YAP_IntOfTerm(arg_opt_level))));
|
|
YAP_cut_fail();
|
|
return FALSE;
|
|
} else {
|
|
YAP_cut_fail();
|
|
return FALSE;
|
|
}
|
|
}
|
|
#undef arg_opt_level
|
|
#undef arg_count
|
|
|
|
|
|
/* trie_replace_nested_trie(+Trie, +NestedTrieID, +ReplaceTerm) */
|
|
#define arg_trie YAP_ARG1
|
|
#define arg_nested_id YAP_ARG2
|
|
#define arg_term YAP_ARG3
|
|
static YAP_Bool p_trie_replace_nested_trie(void) {
|
|
if (!YAP_IsIntTerm(arg_nested_id))
|
|
return FALSE;
|
|
if (!YAP_IsNonVarTerm(arg_term))
|
|
return FALSE;
|
|
trie_replace_nested_trie((TrEntry) YAP_IntOfTerm(arg_trie), YAP_IntOfTerm(arg_nested_id), arg_term);
|
|
return TRUE;
|
|
}
|
|
#undef arg_trie
|
|
#undef arg_nested_id
|
|
#undef arg_term
|
|
|
|
|
|
/* trie_db_opt_min_prefix(?MinPrefix) */
|
|
#define arg_min_prefix YAP_ARG1
|
|
static YAP_Bool p_trie_db_opt_min_prefix(void) {
|
|
YAP_Int min_prefix;
|
|
|
|
/* get mode */
|
|
if (YAP_IsVarTerm(arg_min_prefix)) {
|
|
min_prefix = trie_get_db_opt_min_prefix();
|
|
return YAP_Unify(arg_min_prefix, YAP_MkIntTerm(min_prefix));
|
|
}
|
|
|
|
/* set mode */
|
|
if (YAP_IsIntTerm(arg_min_prefix)) {
|
|
min_prefix = YAP_IntOfTerm(arg_min_prefix);
|
|
if (min_prefix > 1) {
|
|
trie_set_db_opt_min_prefix(min_prefix);
|
|
return TRUE;
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
#undef min_prefix
|