:- module(arithmetic, [msb/2, lsb/2]).
+:- use_module(library(error)).
+
lsb(X, N) :-
builtins:must_be_number(X, lsb/2),
- ( \+ integer(X) -> throw(error(type_error(integer, X), lsb/2))
- ; X < 1 -> throw(error(domain_error(not_less_than_one, X), lsb/2))
+ ( \+ integer(X) -> type_error(integer, X, lsb/2)
+ ; X < 1 -> domain_error(not_less_than_one, X, lsb/2)
; builtins:can_be_number(N, lsb/2),
X1 is X /\ (-X),
msb_(X1, -1, N)
msb(X, N) :-
builtins:must_be_number(X, msb/2),
- ( \+ integer(X) -> throw(error(type_error(integer, X), msb/2))
- ; X < 1 -> throw(error(domain_error(not_less_than_one, X), msb/2))
+ ( \+ integer(X) -> type_error(integer, X, msb/2)
+ ; X < 1 -> domain_error(not_less_than_one, X, msb/2)
; builtins:can_be_number(N, msb/2),
X1 is X >> 1,
msb_(X1, 0, N)
:- use_module(library(random)).
:- use_module(library(pairs)).
:- use_module(library(dcgs)).
-:- use_module(library(error), []).
+:- use_module(library(error), [domain_error/3, type_error/3]).
:- attribute
clpb/1,
domain_error(Expectation, Term) :-
domain_error(Expectation, Term, unknown(Term)-1).
-domain_error(Expectation, Term, Goal-Arg) :-
- throw(error(domain_error(Expectation, Term), domain_error(Goal, Arg, Expectation, Term))).
-
type_error(Expectation, Term) :-
type_error(Expectation, Term, unknown(Term)-1).
-type_error(Expectation, Term, Goal-Arg) :-
- throw(error(type_error(Expectation, Term), type_error(Goal, Arg, Expectation, Term))).
-
partition(Pred, Ls0, As, Bs) :-
include(Pred, Ls0, As),
exclude(Pred, Ls0, Bs).
:- use_module(library(iso_ext)).
:- use_module(library(dcgs)).
:- use_module(library(terms)).
-:- use_module(library(error), []).
+:- use_module(library(error), [domain_error/3, type_error/3]).
:- use_module(library(si)).
:- use_module(library(freeze)).
domain_error(Expectation, Term) :-
domain_error(Expectation, Term, unknown(Term)-1).
-domain_error(Expectation, Term, Goal-Arg) :-
- throw(error(domain_error(Expectation, Term), domain_error(Goal, Arg, Expectation, Term))).
-
-
type_error(Expectation, Term) :-
type_error(Expectation, Term, unknown(Term)-1).
-type_error(Expectation, Term, Goal-Arg) :-
- throw(error(type_error(Expectation, Term), type_error(Goal, Arg, Expectation, Term))).
-
partition(Pred, Ls0, As, Bs) :-
include(Pred, Ls0, As),
cells([], Args, Tab, Es) -->
( { Args == [] } -> cell(Tab, Tab, Es)
- ; { domain_error(no_remaining_arguments, Args) }
+ ; { domain_error(no_remaining_arguments, Args, format_//2) }
).
cells([~,~|Fs], Args, Tab, Es) --> !,
cells(Fs, Args, Tab, [chars("~")|Es]).
cells(Fs, Args, Tab, []).
cells([~,C|_], _, _, _) -->
{ atom_chars(A, [~,C]),
- domain_error(format_string, A) }.
+ domain_error(format_string, A, format_//2) }.
cells(Fs0, Args, Tab, Es) -->
{ phrase(upto_what(Fs1, ~), Fs0, Fs),
Fs1 = [_|_] },
cells(Fs, Args, Tab, [chars(Fs1)|Es]).
-domain_error(Type, Term) :-
- throw(error(domain_error(Type, Term), _)).
-
n_newlines(0) --> !.
n_newlines(1) --> !, [newline].
n_newlines(N0) --> { N0 > 1, N is N0 - 1 }, [newline], n_newlines(N).
Arity = Arity0
; PI = Name//Arity0 ->
Arity is Arity0 + 2
- ; throw(error(type_error(predicate_indicator, PI), listing/1))
+ ; type_error(predicate_indicator, PI, listing/1)
),
functor(Head, Name, Arity),
\+ \+ clause(Head, Body), % only true if there is at least one clause
:- module(pio, [phrase_from_file/2]).
:- use_module(library(dcgs)).
+:- use_module(library(error)).
phrase_from_file(NT, File) :-
- ( var(File) -> throw(error(instantiation_error, phrase_from_file/2))
+ ( var(File) -> instantiation_error(phrase_from_file/2)
; (\+ atom(File) ; File = []) ->
- throw(error(domain_error(source_sink, File), phrase_from_file/2))
+ domain_error(source_sink, File, phrase_from_file/2)
; '$file_to_chars'(File, Chars),
phrase(NT, Chars)
).
the random seed. This makes everything completely reproducible.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
+:- use_module(library(error)).
+
% succeeds with probability 0.5.
maybe :- '$maybe'.
( (var(Lower) ; var(Upper)) ->
throw(error(instantiation_error, random_integer/3))
; \+ integer(Lower) ->
- throw(error(domain_error(integer, Lower), random_integer/3))
+ domain_error(integer, Lower, random_integer/3)
; \+ integer(Upper) ->
- throw(error(domain_error(integer, Upper), random_integer/3))
+ domain_error(integer, Upper, random_integer/3)
; Upper > Lower,
random(R0),
R is floor((Upper - Lower) * R0 + Lower)
set_random(Seed) :-
( nonvar(Seed) ->
( Seed = seed(S) ->
- ( var(S) -> throw(error(instantiation_error, set_random/1))
+ ( var(S) -> instantiation_error(set_random/1)
; integer(S) -> '$set_seed'(S)
- ; throw(error(type_error(integer(S), set_random/1)))
+ ; type_error(integer, S, set_random/1)
)
)
- ; throw(error(instantiation_error, set_random/1))
+ ; instantiation_error(set_random/1)
).
:- use_module(library(format)).
:- use_module(library(iso_ext)).
+:- use_module(library(error)).
max_sleep_time(0xfffffffffffffbff).
sleep(T) :-
builtins:must_be_number(T, sleep),
( T < 0 ->
- throw(error(domain_error(not_less_than_zero, T), sleep/1))
+ domain_error(not_less_than_zero, T, sleep/1)
; max_sleep_time(N), T > N ->
throw(error(reprensentation_error(max_sleep_time), sleep/1))
; '$sleep'(T)