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yap-6.3/utils/sysgraph

774 lines
20 KiB
Prolog
Executable File

#!/usr/local/bin/yap -L -- $*
:- style_check(all).
:- yap_flag( write_strings, on).
:- yap_flag( gc_trace, verbose ).
:- use_module(library(readutil)).
:- use_module(library(lineutils)).
:- use_module(library(lists)).
:- use_module(library(maplist)).
:- use_module(library(system)).
:- use_module(library(hacks)).
:- use_module(library(analysis/graphs)).
:- use_module(library(analysis/load)).
:- use_module(library(analysis/undefs)).
:- initialization(main).
:- style_check(all).
%:- yap_flag( double_quotes, string ).
%:- yap_flag( dollar_as_lower_case, on ).
:- dynamic
node/4,
edge/1,
(public)/2,
private/2,
module_on/3,
exported/1,
dir/1,
sub_dir/2,
consulted/2,
op_export/3,
library/1,
undef/2,
c_dep/2,
do_comment/5,
module_file/2,
file/2.
%% @pred node(?Module:module, ?Predicate:pred_indicator, ?File:file, ?Generator:atom) is nondet, dynamic.
%
% graph nodes
inline( !/0 ).
inline( (\+)/1 ).
inline( (fail)/0 ).
inline( (false)/0 ).
inline( (repeat)/0 ).
inline( (true)/0 ).
inline( []/0 ).
% @short edge(+SourceModule:module, +SourcePredicate:pred_indicator, +TargetPredicate:pred_indicator, +InFile:file) is nondet
%
main :-
unix(argv([D])),
assert(root(D)),
init,
fail.
main :-
Dirs = ['C'-prolog,
'OPTYap'-prolog,
'os'-prolog,
'pl'-prolog,
'library'-user,
'swi/library'-user,
% 'swi/console'-user
'packages'-user
],
root(D),
% maplist(distribute(D), Dirs, Paths),
load( D, Dirs ),
fail.
main :-
%%% phase 4: construct graph
retractall( consulted(_,_) ),
find_undefs,
doubles,
% pl_exported(pl).
c_links,
mkdocs.
distribute( Root, File-Class, Path-Class) :-
sub_atom(Root,_,_,1,/),
!,
atom_concat(Root, File, Path ).
distribute( Root, File-Class, Path-Class) :-
atom_concat([Root, /, File], Path ).
init :-
retractall(dir(_)),
retractall(file(_,_)),
retractall(s8Sadir(_)),
retractall(edge(_)),
retractall(private(_,_)),
retractall(public(_,_)),
retractall(undef(_,_)),
retractall(consulted(_,_)),
retractall(module_on(_,_,_)),
retractall(op_export(_,_,_)),
retractall(exported(_)),
retractall(do_comment(_,_,_,_,_)),
fail.
init :-
current_op(_, _, D),
assert(system_op(D)),
fail.
init :-
user_c_dep(A,B),
do_user_c_dep(A,B),
fail.
init :-
root(M),
user_skip(D),
absolute_file_name( D, FD, [relative_to(M)]),
assert_static(fullskip(FD)),
fail.
init :-
user_expand(N,A),
do_user_expand(N,A),
fail.
init :-
catch( make_directory(tmp), _, fail),
fail.
init :-
source_module(SM),
nb_setval(current_module, SM),
fail.
init.
init_loop( _Dirs ).
doubles :-
node(M, P, F-_, _),
node(M1, P, F1-_, _),
M @< M1,
is_public( P, M, F),
is_public( P, M1, F1),
format('~w vs ~w~n', [M:P,M1:P]),
fail.
doubles.
out_list([]) :-
format('[]', []).
out_list([El]) :-
format('[~q]', [El]).
out_list([E1,E2|Es]) :-
format('[~q', [E1]),
maplist(out_el, [E2|Es]),
format(']', []).
out_el( El ) :-
format(',~n ~q',[El]).
pub(M, P) :-
node(M, P, _, _),
P = N/_A,
\+ sub_atom(N,0,1,_,'$').
has_edge(M1, P1, M, F) :-
edge(M1:P1, _P, F:_),
node(M1, P1, _, _),
M1 \= prolog,
M1 \= M,
\+ is_public(P1, M1, _).
mod_priv(M, P) :-
node(M, P, _, _),
node(M, P, _, _),
\+ is_public(P, M, _),
edge(M1:P, _P0, _), M1 \= M.
priv(M, P) :-
node(M, P, F:_, _),
\+ is_public(P, M, _),
edge(_:P, _P1, F1:_), F1 \= F.
% utilities
split_string( S , Cs, N) :-
string_codes(S, S1),
string_codes(Cs, NCs),
split(S1, NCs, Ncs0),
maplist(remove_escapes, Ncs0, Ncs),
maplist(string_codes, N, Ncs).
remove_escapes([0'\\ ,A|Cs], [A|NCs]) :- !, %'
remove_escapes(Cs, NCs).
remove_escapes([A|Cs], [A|NCs]) :-
remove_escapes(Cs, NCs).
remove_escapes( [], [] ).
always_strip_module(V, M, V1) :-
fully_strip_module(V, M, V1).
c_links :-
open('tmp/foreigns.yap', write, S),
clinks(S),
fail.
c_links :-
open('tmp/foreigns.c', write, S),
cclinks(S),
fail.
clinks(S) :-
module_file( F, NM ),
format( S, 'mod( ~q , ~q ).~n', [NM, F] ),
fail.
clinks(S) :-
system_predicate(C),
functor(C, N, A),
format( S, 'sys ~q/~d.~n', [N, A] ),
fail.
clinks(S) :-
exported( ( Fi0-M:F/A :- Fi1-M1:F1/A ) ),
( M \= M1 -> M \= prolog ; F \= F1 ),
% functor(S0, F, A),
% S0 =.. [F| Args],
% S1 =.. [F1| Args],
% numbervars(Args, 0, _),
format( S, '% ~q <- ~q.~n~q:~q imports ~q:~q. ~n', [Fi0, Fi1, M,F/A, M1,F1/A] ),
fail.
clinks(S) :-
close(S).
cclinks(S) :-
node( M, F/A, File-_Line, c(F)),
% functor( S0, F, A),
% S0 =.. [F| Args],
% S1 =.. [foreign, F| Args],
% numbervars(Args, 0, _),
format( S, '/// @file ~a~n', [File] ),
format( S, '/// @memberof ~a ~a:~a/~d~n', [F, M, F, A] ),
fail.
cclinks(S) :-
close(S).
warn_singletons(_Vars, _Pos).
%%
% comment( +Comment )
%
% Handle documentation comments
%
comment( _Pos - Comment) :-
skip_blanks(1, Comment, N),
doc( Comment, N ),
format( "%s\n", [Comment] ),
!.
comment( _Pos - _Comment).
skip_blanks(I, Comment, N) :-
get_string_code( I, Comment, Code ),
code_type( Code, space ),
I1 is I+1,
skip_blanks(I1, Comment, N).
skip_blanks(N, _Comment, N).
doc( Comment , N ) :-
N1 is N+1,
sub_string( Comment, N1, 3, _, Header ),
( Header == "/**" -> true ; Header == "/*!" ), !, % */
N4 is N+4,
get_string_code( N4, Comment, Code ),
code_type( Code, space ).
doc( Comment, N ) :-
N1 is N+1,
sub_string( Comment, N1, 2, _, Header ),
( Header == "%%" -> true ; Header == "%!" ),
N3 is N+3,
get_string_code( N3, Comment, Code ),
code_type( Code, space ).
%%
% search_file( +Target, +Location, +FileType, -File )
%
%
% Directories into atoms
:- dynamic library/1.
library('..').
:- multifile user:prolog_file_type/2.
:- dynamic user:prolog_file_type/2.
%prolog_file_type(chr, prolog).
prolog_file_type(c, c).
prolog_file_type(h, c).
prolog_file_type('h.cmake', c).
prolog_file_type('h.in', c).
prolog_file_type('py.cmake', python).
prolog_file_type('hxx', c).
prolog_file_type('py', python).
%
% handle some special cases.
%
search_file( S , LocF, Type, FN ) :-
functor(S, _, N),
N> 0,
!,
arg(N, S, A),
search_file( A , LocF, Type, FN ).
%try to use your base
search_file( F0, LocF, Type, FO ) :-
file_directory_name(LocF, D),
file_base_name(F0, B),
findall(F, fsuffix(Type, B, F), Fs),
Fs = [_|_],
!,
absolute_file_name(F0, [
relative_to(D),
file_type(Type),file_errors(fail),
access(none) ], FN ),
maplist(quantf(FN), Fs, DFs),
keysort(DFs, O),
O = [_D-FO|_].
search_file( Loc , F, Type, _FN ) :-
format('~n~n~n###############~n~n FAILED TO FIND ~w.~a when at ~a~n~n###############~n~n~n', [Loc, Type, F ]),
fail.
fsuffix(Type,F0, F) :-
( user:prolog_file_type(Suffix, Type),
(atom_concat('.', _, Suffix)
->
Suffix = DSuffix
;
atom_concat('.', Suffix, DSuffix)
)
;
DSuffix = ''
),
atom_concat(F0, DSuffix, F1),
file_base_name(F1, B),
file(F, B),
atom_concat(_, F1, F).
quantf(F, F1, I-F1) :-
atom_length(F1,M),
between(0,M,I),
sub_atom(F1, I, J, 0, End),
sub_atom(F, _I, J, 0, End),
!.
% files must be called .yap or .pl
% if it is .yap...
new_op( M, M, X, Y, Z ) :- !,
myop( X, Y, M:Z).
new_op( M1, M2, X,Y,Z ) :-
myop( X, Y, M1:Z),
myop( X, Y, M2:Z).
myop(_X, _Y, _M:P) :-
system_op(P),
!.
myop(X, Y, M:P) :-
op(X, Y, M:P).
error(_F, Error) :-
print_message( error, Error ),
fail.
preprocess_file(F,NF) :-
atom_concat(_, '.ypp', F ), !,
atom_concat( [ 'cpp -CC -w -DMYDDAS_MYSQL -DMYDDAS_ODBC -DMYDDAS_STATS -DMYDDAS_TOP_LEVEL -P ',F], OF ),
NF = pipe( OF ).
preprocess_file(F,F).
%%%%%%%
%% declare a concept exportable
public( _F, M, op(X,Y,Z) ) :- !,
new_op(M,M,X,Y,Z).
public( F, M, M:N/Ar ) :-
retract( private( F, M:N/Ar ) ),
fail.
public( F, M, N/Ar ) :-
assert_new( public( F, M:N/Ar ) ),
\+ node( M, N/Ar, F-_, _ ),
nb_getval( line, L ),
assert( node( M, N/Ar, F-L, prolog ) ), !.
public( F, M, _N/Ar as NN ) :-
assert_new( public( F, M:NN/Ar ) ),
\+ node( M, NN/Ar, F-_, _ ),
nb_getval( line, L ),
assert( node( M, NN/Ar, F-L, prolog ) ), !.
public( _F, _M, _/_Ar ).
public( F, M, M:N//Ar ) :-
Ar2 is Ar+2,
retract( private( F, M:N/Ar2 ) ),
fail.
public( F, M, N//Ar ) :-
Ar2 is Ar+2,
assert_new( public( F, M:N/Ar2 ) ),
\+ node( M, N/Ar2, F-_, _ ),
nb_getval( line, L ),
assert( node( M, N/Ar2, F-L, prolog ) ), !.
public( _F, _M, _//_Ar ).
private( _F, M, op(X,Y,Z) ) :-
!,
new_op(M,M,X, Y, Z ).
private( F, M, N/Ar ) :-
assert_new( private( F, M:N/Ar ) ),
\+ node( M, N/Ar, F-_, _ ),
nb_getval( line, L ),
assert( node( M, N/Ar, F-L, prolog ) ), !.
private( _F, _M, _N/_Ar ).
private( F, M, N//Ar ) :-
Ar2 is Ar+2,
assert_new( private( F, M:N/Ar2 ) ),
\+ node( M, N/Ar2, F-_, _ ),
nb_getval( line, L ),
assert_new( node( M, N/Ar2, F-L, prolog ) ), !.
private( _F, _M, _N//_Ar ).
is_public( F, M, OP ) :-
public( F, M:OP ).
is_private( F, M, OP ) :-
private( F, M :OP ).
assert_new_e( A , MG , B, MG1 ) :-
always_strip_module(MG, M, P),
always_strip_module(MG1, M1, P1),
assert_new(edge((A-M:P :- B-M1:P1 ) )).
assert_new( G ) :- G, !.
assert_new( G ) :- assert( G ).
error( Error ) :- throw(Error ).
%% mkdocs inserts a file with a sequence of comments into a sequence of Prolog/C files.
%
%
mkdocs :-
open( 'tmp/pages', write, S1),
close( S1 ),
open( 'tmp/bads', write, S2),
close( S2 ),
open( 'tmp/groups', write, S3),
close( S3 ),
open( 'tmp/groups.yap', write, S4),
close( S4 ),
open( 'docs/yapdocs.yap', read, S),
repeat,
(
blanks(S, Comment, Rest)
->
get_comment(S, Rest),
store_comment( Comment ),
fail
;
close(S),
!,
add_comments
).
blanks( S , T, TF) :-
read_line_to_codes(S, T1, T2),
( T1 == end_of_file -> fail;
T2 == [] -> fail;
T1 \== T2, foldl( check, [0'/,0'*,0'*],T1, _) -> TF = T2, T = T1 ; % '
blanks( S , T, TF) ).
get_comment( S , T) :-
read_line_to_codes(S, T, T0),
( T == end_of_file -> T = [];
T0 == [] -> T=[];
diff_end( [0'*,0'/,10],T, T0 ) -> true ;
get_comment( S , T0) ).
check(C, [C0|L], L) :-
C == C0.
diff_end( L, T, [] ) :-
append(_, L, T).
store_comment(Comment) :-
header( Pred, A, Comment, _ ),
atom_codes( P, Pred),
( node( Mod, P/A, File-Line, Type) ->
true
;
format('Missing definition for ~q.~n', [P/A] ),
node( Mod, P/Ar, File-Line, Type),
format(' ~w exists.~n',[Mod:P/Ar]),
fail
),
( node( M1, P/A, _, _), M1 \= Mod -> Dup = true ; Dup = false),
!,
string_codes( C, Comment ),
assert( do_comment( File, Line, C, Type, Dup ) ).
store_comment(Comment) :-
page( Comment, _ ), !,
open( 'tmp/pages', append, S),
format(S, '*******************************~n~n~s~n~n', [Comment]),
close(S).
store_comment(Comment) :-
defgroup( Comment, _ ), !,
open( 'tmp/groups', append, S),
format(S, '*******************************~n~n~s~n~n', [Comment]),
close(S).
store_comment(Comment) :-
open( 'tmp/bads', append, S),
format(S, '*******************************~n~n~s~n~n', [Comment]),
close(S).
defgroup -->
"/**", % */
blanks_or_stars,
"@defgroup".
defgroup -->
"%%", % */
blanks_or_percs,
"@defgroup".
page -->
"/**", % */
blanks,
"@page".
header(Pred, Arity) -->
"/**", % */
blanks,
"@pred",
blanks,
atom(_),
":",
!,
atom(Pred),
atom_pred(Arity).
header(Pred, Arity) -->
"/**", % */
blanks,
"@pred",
blanks,
atom(Pred),
atom_pred(Arity),
!.
header(Pred, 2, Comment, _) :-
split(Comment, [[0'/,0'*,0'*],[0'@,0'p,0'r,0'e,0'd],_,Pred,_,[0'i,0's]|_]), !.
atom_pred(Arity) -->
"/", !,
int( 0, Arity ).
atom_pred(N) -->
"(",
!,
decl(1,N).
atom_pred(0) -->
blanks, !.
int(I0, I) -->
[A],
{ A >= "0", A =< "9" },
!,
{ I1 is I0*10+(A-"0") },
int(I1, I).
int( I, I ) --> [].
decl(I, I) -->
")", !.
decl(I0, I) -->
",", !,
{ I1 is I0+1 },
decl(I1, I).
decl(I0, I) -->
[_],
decl( I0, I).
skip_early_comment(C) -->
[C], !,
skip_early_comment(C).
skip_early_comment(C) -->
( " " ; "\t" ; "\n" ), !,
skip_early_comment(C).
skip_early_comment(C) -->
"@", ( "{" ; "}" ), !,
skip_early_comment(C).
skip_early_comment(_) --> [].
blanks --> " ", !, blanks.
blanks --> "\t", !, blanks.
blanks --> [].
atom([A|As]) -->
[A],
{ A >= "a", A =< "z" },
atom2( As ).
atom2([A|As]) -->
[A],
{ A >= "a", A =< "z" -> true ;
A >= "A", A =< "Z" -> true ;
A >= "0", A =< "9" -> true ;
A =:= "_"
},
!,
atom2( As ).
atom2([]) --> [].
add_comments :-
open('tmp/comments.yap', write, S),
findall(File, do_comment( File, Line, C, Type, Dup), Fs0 ),
(
sort(Fs0, Fs),
member( File, Fs ),
setof(Line-C-Type-Dup, do_comment( File, Line, C, Type, Dup) , Lines0 ),
reverse( Lines0, Lines),
member(Line-Comment-Type-Dup, Lines),
check_comment( Comment, CN, Line, File ),
Line1 is Line-1,
format(S, '#~a~ncat << "EOF" > tmp~n~sEOF~nsed -e "~dr tmp" ~a > x~n\c
mv x ~a~n~n',[Dup,CN, Line1, File, File])
;
close(S)
),
fail.
add_comments :-
listing( open_comment ).
check_comment( Comment, CN, _Line, _qFile ) :-
string_codes( Comment, [_,_,_|C]),
check_groups(0,_C,[]),
check_quotes(0,C,[]),
(
append(C0,[0'@,0'},0' ,0'*,0'/,10], C) -> %'
append(C0,[0'*,0'/,10], CN)
;
CN = C
),
!.
check_comment( Comment, Comment, Line, File ) :-
format(user_error,'*** bad comment ~a ~d~n~n~s~n~', [File,Line,Comment]).
check_groups(0) --> [].
check_quotes( 0 ) --> [].
check_quotes( 0 ) -->
"`", !,
check_quotes( 1 ).
check_quotes( 1 ) -->
"`", !,
check_quotes( 0 ).
check_quotes( 1 ) -->
"\"", !, { fail }.
check_quotes( 1 ) -->
"'", !, { fail }. %'
check_quotes( N ) -->
[_],
check_quotes( N ).
ops_restore :-
current_op(_,Y,Op),
\+ system_op(Op),
op(0,Y,Op),
fail.
ops_restore.
do_user_c_dep(F1, F2) :-
absolute_file_name(F1, A1),
absolute_file_name(F2, A2),
assert(c_dep(A1, A2)).
do_user_skip(F1) :-
absolute_file_name(F1, A1),
assert(doskip(A1)).
do_user_expand(F, F1) :-
absolute_file_name(F1, A1),
assert(doexpand(F, A1)).
user_deps( F, M ) :-
c_dep(F, A2),
c_file(A2 , M),
fail.
user_deps( _F, _M ).
user_c_dep( 'packages/jpl/jpl.pl', 'packages/jpl/src/c/jpl.c' ).
user_c_dep( 'packages/real/real.pl', 'packages/real/real.c' ).
user_c_dep( 'packages/odbc/odbc.pl', 'packages/odbc/odbc.c' ).
user_c_dep( 'packages/clib/unix.pl', 'packages/clib/unix.c' ).
user_c_dep( 'packages/clib/cgi.pl', 'packages/clib/cgi.c' ).
user_c_dep( 'packages/clib/crypt.pl', 'packages/clib/crypt.c' ).
user_c_dep( 'packages/clib/filesex.pl', 'packages/clib/files.c' ).
user_c_dep( 'packages/clib/mime.pl', 'packages/clib/mime.c' ).
user_c_dep( 'packages/clib/socket.pl', 'packages/clib/socket.c' ).
user_c_dep( 'packages/clib/socket.pl', 'packages/clib/winpipe.c' ).
user_c_dep( 'packages/http/http_stream.pl', 'packages/http/cgi_stream.c' ).
user_c_dep( 'packages/http/http_stream.pl', 'packages/http/stream_range.c' ).
user_c_dep( 'packages/http/http_stream.pl', 'packages/http/http_chunked.c' ).
user_c_dep( 'packages/http/http_stream.pl', 'packages/http/http_error.c' ).
user_c_dep( 'packages/swi-minisat2/minisat.pl', 'packages/swi-minisat2/C/pl-minisat.C' ).
user_c_dep( 'packages/gecode/gecode.yap', 'packages/gecode/gecode4_yap.cc' ).
user_c_dep( 'packages/gecode/gecode.yap', 'packages/gecode/4.2.1/gecode_yap_cc_forward_auto_generated.icc' ).
user_c_dep( 'packages/gecode/gecode.yap', 'packages/gecode/4.2.1/gecode_yap_cc_init_auto_generated.icc' ).
user_c_dep( 'packages/gecode/gecode.yap', 'packages/gecode/4.2.1/gecode_yap_cc_impl_auto_generated.icc' ).
user_c_dep( 'packages/semweb/rdf_db.pl', 'packages/semweb/atom_map.c' ).
user_c_dep( 'packages/semweb/rdf_db.pl', 'packages/semweb/resource.c' ).
user_c_dep( 'packages/sgml/sgml.pl', 'packages/sgml/quote.c' ).
user_c_dep( 'swi/library/readutil.pl', 'packages/clib/readutil.c' ).
user_c_dep( 'packages/myddas/pl/myddas.ypp', 'packages/myddas/myddas_shared.c' ).
user_c_dep( 'packages/myddas/pl/myddas.ypp', 'packages/myddas/myddas_odbc.c' ).
user_c_dep( 'packages/myddas/pl/myddas.ypp', 'packages/myddas/myddas_mysql.c' ).
user_c_dep( 'packages/myddas/pl/myddas.ypp', 'packages/myddas/myddas_top_level.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/core/bpx.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/core/error.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/core/fputil.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/core/gamma.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/core/glue.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/core/idtable.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/core/idtable_preds.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/core/random.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/core/termpool.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/core/vector.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/core/xmalloc.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/up/em_aux.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/up/em_aux_ml.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/up/em_aux_vb.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/up/em_ml.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/up/em_preds.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/up/flags.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/up/graph.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/up/graph_aux.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/up/hindsight.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/up/util.c' ).
user_c_dep( 'packages/prism/src/prolog/prism.yap', 'packages/prism/src/c/up/viterbi.c' ).
doskip( D):- sub_atom( D, _, _, 0, '~' ).
doskip( D):- sub_atom( D, _, _, 0, '/.' ).
doskip( D):- sub_atom( D, _, _, 0, '/..' ).
doskip( D):- sub_atom( D, _, _, 0, '/.git' ).
doskip( D):- sub_atom( D, _, _, _, '/.#' ).
doskip( D):- sub_atom( D, _, _, 0, '#' ).
user_skip( 'packages/gecode/3.6.0').
user_skip( 'packages/gecode/3.7.0').
user_skip( 'packages/gecode/3.7.1').
user_skip( 'packages/gecode/3.7.2').
user_skip( 'packages/gecode/3.7.3').
user_skip( 'packages/gecode/4.0.0').
user_skip( 'packages/gecode/4.2.0').
user_skip( 'packages/gecode/4.2.1').
user_skip( 'packages/gecode/gecode3.yap' ).
user_skip( 'packages/gecode/gecode3_yap.cc' ).
user_skip( 'packages/gecode/gecode3_yap_hand_written.yap').
user_skip( 'packages/gecode/gecode3.yap-common.icc').
user_skip( 'packages/prism/src/prolog').
user_skip( 'packages/prism').
user_expand( library(clpfd), 'library/clp/clpfd.pl' ).
loop_error(_, Msg) :-
writeln(Msg),
fail.