/********************************* File: itries.c Author: Ricardo Rocha Comments: Tries module for ILP version: $ID$ *********************************/ /* -------------------------- */ /* Includes */ /* -------------------------- */ #include #include #include #include "base_tries.h" #include "base_itries.h" /* -------------------------- */ /* Procedures */ /* -------------------------- */ void init_itries(void); static int p_itrie_open(void); static int p_itrie_close(void); static int p_itrie_close_all(void); static int p_itrie_mode(void); static int p_itrie_timestamp(void); static int p_itrie_put_entry(void); static int p_itrie_update_entry(void); static int p_itrie_check_entry(void); static int p_itrie_get_entry(void); static int p_itrie_get_data(void); static int p_itrie_traverse_init(void); static int p_itrie_traverse_cont(void); static int p_itrie_remove_entry(void); static int p_itrie_remove_subtree(void); static int p_itrie_join(void); static int p_itrie_add(void); static int p_itrie_subtract(void); static int p_itrie_save(void); static int p_itrie_load(void); static int p_itrie_stats(void); static int p_itrie_max_stats(void); static int p_itrie_usage(void); static int p_itrie_print(void); /* -------------------------- */ /* Module Init Procedure */ /* -------------------------- */ void init_itries(void) { itrie_init_module(); YAP_UserCPredicate("itrie_open", p_itrie_open, 1); YAP_UserCPredicate("itrie_close", p_itrie_close, 1); YAP_UserCPredicate("itrie_close_all", p_itrie_close_all, 0); YAP_UserCPredicate("itrie_mode", p_itrie_mode, 2); YAP_UserCPredicate("itrie_timestamp", p_itrie_timestamp, 2); YAP_UserCPredicate("itrie_put_entry", p_itrie_put_entry, 2); YAP_UserCPredicate("itrie_update_entry", p_itrie_update_entry, 2); YAP_UserCPredicate("itrie_check_entry", p_itrie_check_entry, 3); YAP_UserCPredicate("itrie_get_entry", p_itrie_get_entry, 2); YAP_UserCPredicate("itrie_get_data", p_itrie_get_data, 2); YAP_UserBackCPredicate("itrie_traverse", p_itrie_traverse_init, p_itrie_traverse_cont, 2, 0); YAP_UserCPredicate("itrie_remove_entry", p_itrie_remove_entry, 1); YAP_UserCPredicate("itrie_remove_subtree", p_itrie_remove_subtree, 1); YAP_UserCPredicate("itrie_join", p_itrie_join, 2); YAP_UserCPredicate("itrie_add", p_itrie_add, 2); YAP_UserCPredicate("itrie_subtract", p_itrie_subtract, 2); YAP_UserCPredicate("itrie_save", p_itrie_save, 2); YAP_UserCPredicate("itrie_load", p_itrie_load, 2); YAP_UserCPredicate("itrie_stats", p_itrie_stats, 4); YAP_UserCPredicate("itrie_max_stats", p_itrie_max_stats, 4); YAP_UserCPredicate("itrie_usage", p_itrie_usage, 4); YAP_UserCPredicate("itrie_print", p_itrie_print, 1); return; } /* -------------------------- */ /* Local Procedures */ /* -------------------------- */ /* itrie_open(+Itrie) */ #define arg_itrie YAP_ARG1 static int p_itrie_open(void) { TrEntry itrie; /* check arg */ if (!YAP_IsVarTerm(arg_itrie)) return FALSE; /* open itrie */ itrie = itrie_open(); return YAP_Unify(arg_itrie, YAP_MkIntTerm((YAP_Int) itrie)); } #undef arg_itrie /* itrie_close(-Itrie) */ #define arg_itrie YAP_ARG1 static int p_itrie_close(void) { /* check arg */ if (!YAP_IsIntTerm(arg_itrie)) return FALSE; /* close itrie */ itrie_close((TrEntry) YAP_IntOfTerm(arg_itrie)); return TRUE; } #undef arg_itrie /* itrie_close_all() */ static int p_itrie_close_all(void) { itrie_close_all(); return TRUE; } /* itrie_mode(-Itrie,?Mode) */ #define arg_itrie YAP_ARG1 #define arg_mode YAP_ARG2 static int p_itrie_mode(void) { YAP_Term mode_term; const char *mode_str; YAP_Int mode; /* check arg */ if (!YAP_IsIntTerm(arg_itrie)) return FALSE; /* get mode */ if (YAP_IsVarTerm(arg_mode)) { mode = itrie_get_mode((TrEntry) YAP_IntOfTerm(arg_itrie)); if (mode == ITRIES_MODE_INC_POS) mode_term = YAP_MkAtomTerm(YAP_LookupAtom("inc_pos")); else if (mode == ITRIES_MODE_DEC_POS) mode_term = YAP_MkAtomTerm(YAP_LookupAtom("dec_pos")); else if (mode == ITRIES_MODE_INC_NEG) mode_term = YAP_MkAtomTerm(YAP_LookupAtom("inc_neg")); else if (mode == ITRIES_MODE_DEC_NEG) mode_term = YAP_MkAtomTerm(YAP_LookupAtom("dec_neg")); else if (mode == ITRIES_MODE_NONE) mode_term = YAP_MkAtomTerm(YAP_LookupAtom("none")); else return FALSE; return YAP_Unify(arg_mode, mode_term); } /* set mode */ mode_str = YAP_AtomName(YAP_AtomOfTerm(arg_mode)); if (!strcmp(mode_str, "inc_pos")) mode = ITRIES_MODE_INC_POS; else if (!strcmp(mode_str, "dec_pos")) mode = ITRIES_MODE_DEC_POS; else if (!strcmp(mode_str, "inc_neg")) mode = ITRIES_MODE_INC_NEG; else if (!strcmp(mode_str, "dec_neg")) mode = ITRIES_MODE_DEC_NEG; else if (!strcmp(mode_str, "none")) mode = ITRIES_MODE_NONE; else return FALSE; itrie_set_mode((TrEntry) YAP_IntOfTerm(arg_itrie), mode); return TRUE; } #undef arg_itrie #undef arg_mode /* itrie_timestamp(-Itrie,?Time) */ #define arg_itrie YAP_ARG1 #define arg_time YAP_ARG2 static int p_itrie_timestamp(void) { YAP_Int time; /* check arg */ if (!YAP_IsIntTerm(arg_itrie)) return FALSE; /* get mode */ if (YAP_IsVarTerm(arg_time)) { time = itrie_get_timestamp((TrEntry) YAP_IntOfTerm(arg_itrie)); return YAP_Unify(arg_time, YAP_MkIntTerm(time)); } /* set mode */ if (YAP_IsIntTerm(arg_time)) { time = YAP_IntOfTerm(arg_time); itrie_set_timestamp((TrEntry) YAP_IntOfTerm(arg_itrie), time); return TRUE; } return FALSE; } #undef arg_itrie #undef arg_time /* itrie_put_entry(-Itrie,-Entry) */ #define arg_itrie YAP_ARG1 #define arg_entry YAP_ARG2 static int p_itrie_put_entry(void) { /* check arg */ if (!YAP_IsIntTerm(arg_itrie)) return FALSE; /* put entry */ itrie_put_entry((TrEntry) YAP_IntOfTerm(arg_itrie), arg_entry); return TRUE; } #undef arg_itrie #undef arg_entry /* itrie_update_entry(-Itrie,-Entry) */ #define arg_itrie YAP_ARG1 #define arg_entry YAP_ARG2 static int p_itrie_update_entry(void) { /* check arg */ if (!YAP_IsIntTerm(arg_itrie)) return FALSE; /* update entry */ itrie_update_entry((TrEntry) YAP_IntOfTerm(arg_itrie), arg_entry); return TRUE; } #undef arg_itrie #undef arg_entry /* itrie_check_entry(-Itrie,-Entry,+Ref) */ #define arg_itrie YAP_ARG1 #define arg_entry YAP_ARG2 #define arg_ref YAP_ARG3 static int p_itrie_check_entry(void) { TrData data; /* check arg */ if (!YAP_IsIntTerm(arg_itrie)) return FALSE; /* check entry */ if (!(data = itrie_check_entry((TrEntry) YAP_IntOfTerm(arg_itrie), arg_entry))) return FALSE; return YAP_Unify(arg_ref, YAP_MkIntTerm((YAP_Int) data)); } #undef arg_itrie #undef arg_entry #undef arg_ref /* itrie_get_entry(-Ref,+Entry) */ #define arg_ref YAP_ARG1 #define arg_entry YAP_ARG2 static int p_itrie_get_entry(void) { YAP_Term entry; /* check arg */ if (!YAP_IsIntTerm(arg_ref)) return FALSE; /* get entry */ entry = itrie_get_entry((TrData) YAP_IntOfTerm(arg_ref)); return YAP_Unify(arg_entry, entry); } #undef arg_ref #undef arg_entry /* itrie_get_data(-Ref,+Data) */ #define arg_ref YAP_ARG1 #define arg_data YAP_ARG2 static int p_itrie_get_data(void) { YAP_Term list; YAP_Term item; YAP_Functor f; YAP_Int pos, neg, time; /* check arg */ if (!YAP_IsIntTerm(arg_ref)) return FALSE; /* get data */ itrie_get_data((TrData) YAP_IntOfTerm(arg_ref), &pos, &neg, &time); list = YAP_MkAtomTerm(YAP_LookupAtom("[]")); f = YAP_MkFunctor(YAP_LookupAtom("timestamp"), 1); item = YAP_MkIntTerm(time); item = YAP_MkApplTerm(f, 1, &item); list = YAP_MkPairTerm(item, list); f = YAP_MkFunctor(YAP_LookupAtom("neg"), 1); item = YAP_MkIntTerm(neg); item = YAP_MkApplTerm(f, 1, &item); list = YAP_MkPairTerm(item, list); f = YAP_MkFunctor(YAP_LookupAtom("pos"), 1); item = YAP_MkIntTerm(pos); item = YAP_MkApplTerm(f, 1, &item); list = YAP_MkPairTerm(item, list); return YAP_Unify(arg_data, list); } #undef arg_ref #undef arg_data /* itrie_traverse(-Itrie,+Ref) */ #define arg_itrie YAP_ARG1 #define arg_ref YAP_ARG2 static int p_itrie_traverse_init(void) { TrData data; /* check arg */ if (!YAP_IsIntTerm(arg_itrie)) return FALSE; /* traverse itrie */ if (!(data = itrie_traverse_init((TrEntry) YAP_IntOfTerm(arg_itrie)))) { YAP_cut_fail(); return FALSE; } return YAP_Unify(arg_ref, YAP_MkIntTerm((YAP_Int) data)); } #undef arg_itrie #undef arg_ref /* itrie_traverse(-Itrie,+Ref) */ #define arg_itrie YAP_ARG1 #define arg_ref YAP_ARG2 static int p_itrie_traverse_cont(void) { TrData data; /* traverse itrie */ if (!(data = itrie_traverse_cont((TrEntry) YAP_IntOfTerm(arg_itrie)))) { YAP_cut_fail(); return FALSE; } return YAP_Unify(arg_ref, YAP_MkIntTerm((YAP_Int) data)); } #undef arg_itrie #undef arg_ref /* itrie_remove_entry(-Ref) */ #define arg_ref YAP_ARG1 static int p_itrie_remove_entry(void) { /* check arg */ if (!YAP_IsIntTerm(arg_ref)) return FALSE; /* remove entry */ itrie_remove_entry((TrData) YAP_IntOfTerm(arg_ref)); return TRUE; } #undef arg_ref /* itrie_remove_subtree(-Ref) */ #define arg_ref YAP_ARG1 static int p_itrie_remove_subtree(void) { /* check arg */ if (!YAP_IsIntTerm(arg_ref)) return FALSE; /* remove subtree */ itrie_remove_subtree((TrData) YAP_IntOfTerm(arg_ref)); return TRUE; } #undef arg_ref /* itrie_join(-ItrieDest,-ItrieSource) */ #define arg_itrie_dest YAP_ARG1 #define arg_itrie_source YAP_ARG2 static int p_itrie_join(void) { /* check args */ if (!YAP_IsIntTerm(arg_itrie_dest)) return FALSE; if (!YAP_IsIntTerm(arg_itrie_source)) return FALSE; /* join itrie */ itrie_join((TrEntry) YAP_IntOfTerm(arg_itrie_dest), (TrEntry) YAP_IntOfTerm(arg_itrie_source)); return TRUE; } #undef arg_itrie_dest #undef arg_itrie_source /* itrie_add(-ItrieDest,-ItrieSource) */ #define arg_itrie_dest YAP_ARG1 #define arg_itrie_source YAP_ARG2 static int p_itrie_add(void) { /* check args */ if (!YAP_IsIntTerm(arg_itrie_dest)) return FALSE; if (!YAP_IsIntTerm(arg_itrie_source)) return FALSE; /* add itrie */ itrie_add((TrEntry) YAP_IntOfTerm(arg_itrie_dest), (TrEntry) YAP_IntOfTerm(arg_itrie_source)); return TRUE; } #undef arg_itrie_dest #undef arg_itrie_source /* itrie_subtract(-ItrieDest,-ItrieSource) */ #define arg_itrie_dest YAP_ARG1 #define arg_itrie_source YAP_ARG2 static int p_itrie_subtract(void) { /* check args */ if (!YAP_IsIntTerm(arg_itrie_dest)) return FALSE; if (!YAP_IsIntTerm(arg_itrie_source)) return FALSE; /* subtract itrie */ itrie_subtract((TrEntry) YAP_IntOfTerm(arg_itrie_dest), (TrEntry) YAP_IntOfTerm(arg_itrie_source)); return TRUE; } #undef arg_itrie_dest #undef arg_itrie_source /* itrie_save(-Itrie,-FileName) */ #define arg_itrie YAP_ARG1 #define arg_file YAP_ARG2 static int p_itrie_save(void) { const char *file_str; FILE *file; /* check args */ if (!YAP_IsIntTerm(arg_itrie)) 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 itrie and close file */ itrie_save((TrEntry) YAP_IntOfTerm(arg_itrie), file); if (fclose(file)) return FALSE; return TRUE; } #undef arg_itrie #undef arg_file /* itrie_load(+Itrie,-FileName) */ #define arg_itrie YAP_ARG1 #define arg_file YAP_ARG2 static int p_itrie_load(void) { TrEntry itrie; const char *file_str; FILE *file; /* check args */ if (!YAP_IsVarTerm(arg_itrie)) 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 itrie and close file */ itrie = itrie_load(file); if (fclose(file)) return FALSE; return YAP_Unify(arg_itrie, YAP_MkIntTerm((YAP_Int) itrie)); } #undef arg_itrie #undef arg_file /* itrie_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 int p_itrie_stats(void) { YAP_Int memory, tries, entries, nodes; /* get stats */ itrie_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 /* itrie_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 int p_itrie_max_stats(void) { YAP_Int memory, tries, entries, nodes; /* get stats */ itrie_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 /* itrie_usage(-Itrie,+Entries,+Nodes,+VirtualNodes) */ #define arg_itrie YAP_ARG1 #define arg_entries YAP_ARG2 #define arg_nodes YAP_ARG3 #define arg_virtualnodes YAP_ARG4 static int p_itrie_usage(void) { YAP_Int entries, nodes, virtualnodes; /* check arg */ if (!YAP_IsIntTerm(arg_itrie)) return FALSE; /* get itrie usage */ itrie_usage((TrEntry) YAP_IntOfTerm(arg_itrie), &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_itrie #undef arg_entries #undef arg_nodes #undef arg_virtualnodes /* itrie_print(-Itrie) */ #define arg_itrie YAP_ARG1 static int p_itrie_print(void) { /* check arg */ if (!YAP_IsIntTerm(arg_itrie)) return FALSE; /* print itrie */ itrie_print((TrEntry) YAP_IntOfTerm(arg_itrie)); return TRUE; } #undef arg_itrie