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Vitor Santos Costa
2018-06-05 20:51:49 +01:00
parent 2d55f41ef6
commit 54c6b8c041
32 changed files with 267 additions and 183 deletions
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74
library/assoc.yap
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@@ -3,9 +3,9 @@
* @file assoc.yap
* @author VITOR SANTOS COSTA <vsc@VITORs-MBP.lan>
* @date Tue Nov 17 13:53:34 2015
*
*
* @brief Red-Black Implementation of Association Lists.
*
*
* This file has been included as an YAP library by Vitor Santos Costa, 1999
*
* Note: the keys should be bound, the associated values need not be.
@@ -33,9 +33,11 @@
del_max_assoc/4
]).
/** @defgroup Association_Lists Association Lists
@ingroup library
/**
@defgroup Assoc Association Maps
@{
@ingroup library
The following association list manipulation predicates are available
once included with the `use_module(library(assoc))` command. The
@@ -45,9 +47,7 @@ red-black trees library and emulates the SICStus Prolog interface.
The library exports the following definitions:
- is/assoc/1
*/
@@ -77,27 +77,27 @@ The library exports the following definitions:
rb_del_max/4
]).
/** @pred empty_assoc(+ _Assoc_)
/** @pred empty_assoc(+ _Assoc_)
Succeeds if association list _Assoc_ is empty.
*/
empty_assoc(t).
/** @pred assoc_to_list(+ _Assoc_,? _List_)
/** @pred assoc_to_list(+ _Assoc_,? _List_)
Given an association list _Assoc_ unify _List_ with a list of
the form _Key-Val_, where the elements _Key_ are in ascending
order.
*/
assoc_to_list(t, L) :- !, L = [].
assoc_to_list(T, L) :-
rb_visit(T, L).
/** @pred is_assoc(+ _Assoc_)
/** @pred is_assoc(+ _Assoc_)
Succeeds if _Assoc_ is an association list, that is, if it is a
red-black tree.
@@ -106,57 +106,57 @@ is_assoc(t) :- !.
is_assoc(T) :-
is_rbtree(T).
/** @pred min_assoc(+ _Assoc_,- _Key_,? _Value_)
/** @pred min_assoc(+ _Assoc_,- _Key_,? _Value_)
Given the association list
_Assoc_, _Key_ in the smallest key in the list, and _Value_
the associated value.
*/
min_assoc(T,K,V) :-
rb_min(T,K,V).
/** @pred max_assoc(+ _Assoc_,- _Key_,? _Value_)
/** @pred max_assoc(+ _Assoc_,- _Key_,? _Value_)
Given the association list
_Assoc_, _Key_ in the largest key in the list, and _Value_
the associated value.
*/
max_assoc(T,K,V) :-
rb_max(T,K,V).
/** @pred gen_assoc( ?Key, +Assoc, ?Valu_)
/** @pred gen_assoc( ?Key, +Assoc, ?Valu_)
Given the association list _Assoc_, unify _Key_ and _Value_
with a key-value pair in the list. It can be used to enumerate all elements
in the association list.
in the association list.
*/
gen_assoc(K, T, V) :-
rb_in(K,V,T).
/** @pred get_assoc(+ _Key_,+ _Assoc_,? _Value_)
/** @pred get_assoc(+ _Key_,+ _Assoc_,? _Value_)
If _Key_ is one of the elements in the association list _Assoc_,
return the associated value.
return the associated value.
*/
get_assoc(K,T,V) :-
rb_lookup(K,V,T).
/** @pred get_assoc(+ _Key_,+ _Assoc_,? _Value_,+ _NAssoc_,? _NValue_)
/** @pred get_assoc(+ _Key_,+ _Assoc_,? _Value_,+ _NAssoc_,? _NValue_)
If _Key_ is one of the elements in the association list _Assoc_,
return the associated value _Value_ and a new association list
_NAssoc_ where _Key_ is associated with _NValue_.
*/
get_assoc(K,T,V,NT,NV) :-
rb_update(T,K,V,NV,NT).
@@ -166,52 +166,52 @@ get_assoc(K,T,V,NT,NV) :-
If _Key_ is one of the elements in the association list _Assoc_,
return the next key, _Next_, and its value, _Value_.
*/
get_next_assoc(K,T,KN,VN) :-
rb_next(T,K,KN,VN).
/** @pred get_prev_assoc(+ _Key_,+ _Assoc_,? _Next_,? _Value_)
/** @pred get_prev_assoc(+ _Key_,+ _Assoc_,? _Next_,? _Value_)
If _Key_ is one of the elements in the association list _Assoc_,
return the previous key, _Next_, and its value, _Value_.
*/
get_prev_assoc(K,T,KP,VP) :-
rb_previous(T,K,KP,VP).
/** @pred list_to_assoc(+ _List_,? _Assoc_)
/** @pred list_to_assoc(+ _List_,? _Assoc_)
Given a list _List_ such that each element of _List_ is of the
form _Key-Val_, and all the _Keys_ are unique, _Assoc_ is
the corresponding association list.
*/
list_to_assoc(L, T) :-
list_to_rbtree(L, T).
/** @pred ord_list_to_assoc(+ _List_,? _Assoc_)
/** @pred ord_list_to_assoc(+ _List_,? _Assoc_)
Given an ordered list _List_ such that each element of _List_ is
of the form _Key-Val_, and all the _Keys_ are unique, _Assoc_ is
the corresponding association list.
*/
ord_list_to_assoc(L, T) :-
ord_list_to_rbtree(L, T).
/** @pred map_assoc(+ _Pred_,+ _Assoc_)
/** @pred map_assoc(+ _Pred_,+ _Assoc_)
Succeeds if the unary predicate name _Pred_( _Val_) holds for every
element in the association list.
*/
map_assoc(t, _) :- !.
map_assoc(P, T) :-
@@ -239,7 +239,7 @@ extract_mod(M:G, _, FM, FG ) :- !,
extract_mod(G, M, FM, FG ).
extract_mod(G, M, M, G ).
/** @pred put_assoc(+ _Key_,+ _Assoc_,+ _Val_,+ _New_)
/** @pred put_assoc(+ _Key_,+ _Assoc_,+ _Val_,+ _New_)
The association list _New_ includes and element of association
_key_ with _Val_, and all elements of _Assoc_ that did not
@@ -253,35 +253,35 @@ put_assoc(K, t, V, NT) :- !,
put_assoc(K, T, V, NT) :-
rb_insert(T, K, V, NT).
/** @pred del_assoc(+ _Key_, + _Assoc_, ? _Val_, ? _NewAssoc_)
/** @pred del_assoc(+ _Key_, + _Assoc_, ? _Val_, ? _NewAssoc_)
Succeeds if _NewAssoc_ is an association list, obtained by removing
the element with _Key_ and _Val_ from the list _Assoc_.
*/
del_assoc(K, T, V, NT) :-
rb_delete(T, K, V, NT).
/** @pred del_min_assoc(+ _Assoc_, ? _Key_, ? _Val_, ? _NewAssoc_)
/** @pred del_min_assoc(+ _Assoc_, ? _Key_, ? _Val_, ? _NewAssoc_)
Succeeds if _NewAssoc_ is an association list, obtained by removing
the smallest element of the list, with _Key_ and _Val_
from the list _Assoc_.
*/
del_min_assoc(T, K, V, NT) :-
rb_del_min(T, K, V, NT).
/** @pred del_max_assoc(+ _Assoc_, ? _Key_, ? _Val_, ? _NewAssoc_)
/** @pred del_max_assoc(+ _Assoc_, ? _Key_, ? _Val_, ? _NewAssoc_)
Succeeds if _NewAssoc_ is an association list, obtained by removing
the largest element of the list, with _Key_ and _Val_ from the
list _Assoc_.
*/
del_max_assoc(T, K, V, NT) :-
rb_del_max(T, K, V, NT).