diogo/yap-6.3
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make [a/b] more robust.

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ubu32 2011-02-15 07:50:33 -08:00
parent 185bb1b3f0
commit 8c975eca5d
1 changed files with 20 additions and 7 deletions
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27
pl/consult.yap
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@ -806,9 +806,9 @@ absolute_file_name(File,Opts,TrueFileName) :-
assert(user:commons_directory(D)),
fail.
'$find_in_path'(S, Opts, NewFile, Call) :-
S =.. [Name,File0], !,
S =.. [Name,File0],
'$cat_file_name'(File0,File), !,
'$dir_separator'(D),
'$cat_file_name'(File0,File),
atom_codes(A,[D]),
'$extend_path_directory'(Name, A, File, Opts, NewFile, Call).
'$find_in_path'(File0,Opts,NewFile,_) :-
@ -823,9 +823,18 @@ absolute_file_name(File,Opts,TrueFileName) :-
'$cat_file_name'(File0,File) :-
atom(File0), !,
File = File0.
'$cat_file_name'(File0,File) :-
ground(File0),
format(atom(File), '~w', [File0]).
'$cat_file_name'(Atoms, File) :-
'$to_list_of_atoms'(Atoms, List, []),
atom_concat(List, File).
'$to_list_of_atoms'(V, _, _) :- var(V), !, fail.
'$to_list_of_atoms'(Atom, [Atom|L], L) :- atom(Atom), !.
'$to_list_of_atoms'(Atoms, L1, LF) :-
Atoms =.. [A,As,Bs],
atom_codes(A,[D]),
'$dir_separator'(D),
'$to_list_of_atoms'(As, L1, [A|L2]),
'$to_list_of_atoms'(Bs, L2, LF).
'$get_abs_file'(File,opts(_,D0,_,_,_,_,_),AbsFile) :-
operating_system_support:true_file_name(File,D0,AbsFile).
@ -897,15 +906,19 @@ absolute_file_name(File,Opts,TrueFileName) :-
'$extend_pathd'(Dir, A, File, Opts, NewFile, Call) :-
atom(Dir), !,
atom_concat([Dir,A,File],NFile),
'$add_file_to_dir'(Dir,A,File,NFile),
'$find_in_path'(NFile, Opts, NewFile, Goal), !.
'$extend_pathd'(Name, A, File, Opts, OFile, Goal) :-
nonvar(Name),
Name =.. [N,P0],
atom_concat([P0,A,File],NFile),
'$add_file_to_dir'(P0,A,File,NFile),
NewName =.. [N,NFile],
'$find_in_path'(NewName, Opts, OFile, Goal).
'$add_file_to_dir'(P0,A,Atoms,NFile) :-
atom_concat([P0,A,Atoms],NFile).
%
% This is complicated because of embedded ifs.
%