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fix UN #189 and #172

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This commit is contained in:
Vitor Santos Costa 2010-09-27 22:31:06 +01:00
parent c50ed643f9
commit bf40154ff1
2 changed files with 75 additions and 60 deletions
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4
pl/messages.yap
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@ -222,8 +222,8 @@ system_message(error(permission_error(modify,dynamic_procedure,_), Where)) -->
[ 'PERMISSION ERROR- ~w: modifying a dynamic procedure' - [Where] ].
system_message(error(permission_error(modify,flag,W), _)) -->
[ 'PERMISSION ERROR- cannot modify flag ~w' - [W] ].
system_message(error(permission_error(modify,operator,W), _)) -->
[ 'PERMISSION ERROR- T cannot declare ~w an operator' - [W] ].
system_message(error(permission_error(modify,operator,W), Q)) -->
[ 'PERMISSION ERROR- ~w: cannot modify operator ~q' - [Q,W] ].
system_message(error(permission_error(modify,dynamic_procedure,F), Where)) -->
[ 'PERMISSION ERROR- ~w: modifying dynamic procedure ~w' - [Where,F] ].
system_message(error(permission_error(modify,static_procedure,F), Where)) -->

15
pl/utils.yap
View File

@ -60,6 +60,21 @@ op(P,T,V) :-
'$check_op_name'(V,G) :-
var(V), !,
'$do_error'(instantiation_error,G).
'$check_op_name'(',',G) :- !,
'$do_error'(permission_error(modify,operator,','),G).
'$check_op_name'('[]',G) :- !,
'$do_error'(permission_error(create,operator,'[]'),G).
'$check_op_name'('{}',G) :- !,
'$do_error'(permission_error(create,operator,'{}'),G).
'$check_op_name'('|',G) :- !,
G = op(P, T, _),
(
integer(P),
P < 1001
;
Fix \== xfx, Fix \== xfy, Fix \== yfx, Fix \== yfy
),
'$do_error'(permission_error(create,operator,'|'),G).
'$check_op_name'(V,_) :-
atom(V), !.
'$check_op_name'(M:A, G) :-