diogo/yap-6.3
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$length1 was broken.

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This commit is contained in:
Vítor Santos Costa 2012-02-13 09:40:57 +00:00
parent db35eb4b3c
commit d5bfd78b64
1 changed files with 9 additions and 7 deletions
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16
pl/utils.yap
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@ -437,6 +437,8 @@ atom_concat(X,Y,At) :-
atom_codes(X, Xs),
atom_codes(Y, Ys).
callable(A) :-
( var(A) -> fail ; number(A) -> fail ; true ).
atomic_list_concat(L,At) :-
atomic_concat(L, At).
@ -547,16 +549,16 @@ sub_atom(At, Bef, Size, After, SubAt) :-
'$sub_atom_needs_int'(Size,ErrorTerm),
'$sub_atom_needs_int'(After,ErrorTerm),
atom_codes(SubAt,Atls),
'$$_length1'(Atls, 0, Size),
length(Atls, 0, Size),
'$sub_atom_get_subchars_and_match'(Size, Atl, Atls, NAtl),
'$$_length1'(NAtl,0,After).
length(NAtl,0,After).
% SubAt is unbound, but Size is bound
'$sub_atom3'(Size, After, SubAt, Atl, ErrorTerm) :-
nonvar(Size), !,
'$sub_atom_needs_int'(Size,ErrorTerm),
'$sub_atom_needs_int'(After,ErrorTerm),
'$sub_atom_get_subchars_and_match'(Size, Atl, SubAts, NAtl),
'$$_length1'(NAtl,0,After),
length(NAtl,After),
atom_codes(SubAt,SubAts).
% SubAt and Size are unbound, but After is bound.
'$sub_atom3'(Size, After, SubAt, Atl, ErrorTerm) :-
@ -567,7 +569,7 @@ sub_atom(At, Bef, Size, After, SubAt) :-
atom_codes(SubAt,SubAts).
% SubAt, Size, and After are unbound.
'$sub_atom3'(Size, After, SubAt, Atl, _) :-
'$$_length1'(Atl,0,Len),
length(Atl,Len),
'$sub_atom_split'(Atl,Len,SubAts,Size,_,After),
atom_codes(SubAt,SubAts).
@ -578,8 +580,8 @@ sub_atom(At, Bef, Size, After, SubAt) :-
'$sub_atom_needs_atom'(SubAt, ErrorTerm),
atom_codes(SubAt,SubAts),
'$sub_atom_search'(SubAts, Atl, 0, Bef, AfterS),
'$$_length1'(SubAts, 0, Size),
'$$_length1'(AfterS, 0, After).
length(SubAts, Size),
length(AfterS, After).
% ok: in the second best case we just get rid of the tail
'$sub_atombv'(Bef, Size, After, SubAt, Atl, ErrorTerm) :-
nonvar(After), !,
@ -590,7 +592,7 @@ sub_atom(At, Bef, Size, After, SubAt) :-
atom_codes(SubAt,SubAts).
% ok: just do everything
'$sub_atombv'(Bef, Size, After, SubAt, Atl, _) :-
'$$_length1'(Atl, 0, Len),
length(Atl, Len),
'$sub_atom_split'(Atl,Len,_,Bef,Atls2,Len2),
'$sub_atom_split'(Atls2,Len2,SubAts,Size,_,After),
atom_codes(SubAt,SubAts).