diogo/yap-6.3
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support paths like the term a/b.

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This commit is contained in:
Vítor Santos Costa 2008-08-30 04:34:27 +01:00
parent 1226b58d8e
commit 882178c02f
1 changed files with 21 additions and 6 deletions
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27
pl/consult.yap
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@ -368,7 +368,7 @@ use_module(M,F,Is) :-
( '$access_yap_flags'(15, 0) -> true ; halt).
'$skip_unix_comments'(Stream) :-
'$peek'(Stream, 0'#), !, % 35 is ASCII for #
'$peek'(Stream, 0'#), !, % 35 is ASCII for '#
'$get0_line_codes'(Stream, _),
'$skip_unix_comments'(Stream).
'$skip_unix_comments'(_).
@ -688,29 +688,44 @@ absolute_file_name(File,Opts,TrueFileName) :-
% all must try search in path
'$find_in_path'(user,_,user_input, _) :- !.
'$find_in_path'(user_input,_,user_input, _) :- !.
'$find_in_path'(library(F),_,_, _) :-
'$find_in_path'(library(F0),_,_, _) :-
'$cat_file_name'(F0,F),
% make sure library_directory is open.
\+ clause(user:library_directory(_),_),
'$system_library_directories'(D),
assert(user:library_directory(D)),
fail.
'$find_in_path'(library(File),Opts,NewFile, Call) :- !,
'$find_in_path'(library(File0),Opts,NewFile, Call) :- !,
'$dir_separator'(D),
'$cat_file_name'(File0,File),
atom_codes(A,[D]),
'$extend_path_directory'(library, A, File, Opts, NewFile, Call).
'$find_in_path'(S, Opts, NewFile, Call) :-
S =.. [Name,File], !,
S =.. [Name,File0], !,
'$dir_separator'(D),
'$cat_file_name'(File0,File),
atom_codes(A,[D]),
'$extend_path_directory'(Name, A, File, Opts, NewFile, Call).
'$find_in_path'(File,Opts,NewFile,_) :-
atom(File), !,
'$find_in_path'(File0,Opts,NewFile,_) :-
'$cat_file_name'(File0,File), !,
'$add_path'(File,PFile),
'$get_abs_file'(PFile,Opts,AbsFile),
'$search_in_path'(AbsFile,Opts,NewFile).
'$find_in_path'(File,_,_,Call) :-
'$do_error'(domain_error(source_sink,File),Call).
% allow paths in File Name
'$cat_file_name'(File0,File) :-
atom(File0), !,
File = File0.
'$cat_file_name'(File0,File) :-
ground(File0),
charsio:open_mem_write_stream(Stream),
write(Stream, File0),
charsio:peek_mem_write_stream(Stream, [], L),
close(Stream),
atom_codes(File, L).
'$get_abs_file'(File,opts(_,D0,_,_,_,_,_),AbsFile) :-
system:true_file_name(File,D0,AbsFile).