146 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			Prolog
		
	
	
	
	
	
			
		
		
	
	
			146 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			Prolog
		
	
	
	
	
	
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pl_graphs(Dir - Mod) :-
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      atom( Dir ),
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	format(' ************* GRAPH: ~a ***********************/~n', [Dir]),
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atom_concat([Dir,'/*'], Pattern),
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	expand_file_name( Pattern, Files ),
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	member( File, Files ),
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	( ( sub_atom(File,_,_,0,'.yap') ; sub_atom(File,_,_,0,'.pl') ) ->
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	  build_graph( File , Mod )
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	;
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	  exists_directory( File ),
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	  \+ atom_concat(_, '/.', File),
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	  \+ atom_concat(_, '/..', File),
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	  \+ atom_concat(_, '/.git', File),
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	  pl_graphs( File - Mod )
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	),
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	fail.
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pl_graphs(_).
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%%
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%% @pred build_graph( File, Mod)
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                                % adds a node to the file graph and marks which files are modules
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                                %
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                                % main side-effect facts like edge( F0-Mod:File )
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                                %                             exported( F-M , N/A ) or exported(F- M. Op ),
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                                %                             module_on ( M, File )
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                                %                             pred ( M :N/A )
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                                %
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build_graph(F, Mod) :-
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                                %    writeln(F),
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	preprocess_file( F, PF ),
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	catch( open(PF, read, S, [script(true)]), _, fail ),
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	repeat,
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	nb_getval( current_module, MR ),
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	catch(read_clause( S, T, [term_position(Pos),module(MR),comments(Cs)] ), Throw, error(Throw) ),
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	(
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	 T == end_of_file
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	->
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	 !,% also, clo ops defined in the module M, if M \= Mod
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                                % ( sub_atom(F,_,_,_,'/matrix.yap') ->  start_low_level_trace ; nospyall ),
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	 close(S)
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	;
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	 stream_position_data( line_count, Pos, Line ),
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	 maplist( comment, Cs ),
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	 nb_setval( line, Line ),
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	 nb_getval( current_module, MC0 ),
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	 ( Mod == prolog -> MC = prolog ; MC = MC0 ),
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	 get_graph( T, F, Line, MC  ),
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	 fail
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	).
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get_graph( V , _F, _Pos, _M ) :-
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	var( V ),
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	!,
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	error( instantiation_error ).
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get_graph( T, _F, _Pos, _M0 ) :-
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	var(T),
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	!.
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get_graph( M:T, F, Pos, _M0 ) :- !,
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    always_strip_module(M:T, NM, NT),
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	get_graph( NT, F, Pos, NM ).
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get_graph( ( M:H :- B), F, Pos, M0 ) :-
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    !,
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    get_graph( (H :- M0:B), F, Pos, M ).
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get_graph( ( M:H --> B), F, Pos, M0 ) :-
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    !,
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    get_graph( ( H --> M0:B), F, Pos, M ).
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get_graph( ( A, _ --> B), F, Pos, M ) :-
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    !,
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    get_graph( ( A --> B), F, _Pos, M ).
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get_graph( (H --> B), F, Pos, M ) :-
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    !,
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    functor( H, N, Ar),
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    Ar2 is Ar+2,
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    add_deps( B, M, M:N/Ar2, F, Pos, 2 ).
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get_graph( (H :- B), F, Pos, M ) :-
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    !,
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    functor( H, N, Ar),
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    add_deps( B, M, M:N/Ar, F, Pos, 0 ).
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%% switches to new file n
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get_graph( (:-include( Fs ) ), F, _Pos, M ) :-
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    !,
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    source_graphs( M, F, Fs ).
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get_graph( (?- _ ), _F, _Pos, _M ) :- !.
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get_graph( (:- _ ), _F, _Pos, _M ) :- !.
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get_graph( _H, _F, _Pos, _M ).
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source_graphs( M, F, Fs ) :-
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	maplist( source_graph( M, F ), Fs ), !.
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source_graphs( M, F, Fs ) :-
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	search_file( Fs, F, pl, NF ),
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	build_graph( NF , M ), !.
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add_deps(V, _M, _P, _F, _Pos, _) :-
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	var(V), !.
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add_deps(M1:G, _M, _P, _F, _Pos,L) :-
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	!,
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	always_strip_module(M1:G, M2, G2),
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	add_deps(G2, M2, _P, _F, _Pos, L).
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add_deps((A,B), M, P, F, _Pos, L) :-
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	!,
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	add_deps(A, M, P, F, _Pos, L),
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	add_deps(B, M, P, F, _Pos, L).
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add_deps((A;B), M, P, F, _Pos, L) :- !,
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	add_deps(A, M, P, F, _Pos, L),
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	add_deps(B, M, P, F, _Pos, L).
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add_deps((A|B), M, P, F, _Pos, L) :- !,
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	add_deps(A, M, P, F, _Pos, L),
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	add_deps(B, M, P, F, _Pos, L).
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add_deps((A->B), M, P, F, _Pos, L) :- !,
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	add_deps(A, M, P, F, _Pos, L),
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	add_deps(B, M, P, F, _Pos, L).
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add_deps((A*->B), M, P, F, _Pos, L) :- !,
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	add_deps(A, M, P, F, _Pos, L),
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	add_deps(B, M, P, F, _Pos, L).
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add_deps(once(A), M, P, F, _Pos, L) :- !,
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	add_deps(A, M, P, F, _Pos, L).
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add_deps({A}, M, P, F, _Pos, 2) :- !,
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	add_deps(A, M, P, F, _Pos, 0).
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add_deps([_|_], M, P, F, Pos, 2) :-
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	!,
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	put_dep( (F-M:P :- boot-prolog:'C'/3 ), Pos ).
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add_deps(String, _M, _P, _F, _Pos, _) :-  string(String), !.
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add_deps([], _M, _P, _F, _Pos, 2) :- !.
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add_deps(!, _M, _P, _F, _Pos, _) :- !.
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add_deps(true, _M, _P, _F, _Pos, 0) :- !.
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add_deps(false, _M, _P, _F, _Pos, 0) :- !.
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add_deps(fail, _M, _P, _F, _Pos, 0) :- !.
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add_deps(repeat, _M, _P, _F, _Pos, 0) :- !.
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add_deps(A, M, P, F, Pos, L) :-
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                                % we're home, M:N/Ar -> P=M1:N1/A1
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	functor(A, N, Ar0),
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	Ar is Ar0+L,
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	put_dep( ( F-M:P :- F-M:N/Ar ), Pos ).
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put_dep( (Target :- F0-G0 ), _Pos ) :-
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  ground(F0-G0), !,
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  Target = F-G,
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  assert_new_e(   F, G, F0, G0 ).
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put_dep(_,_).
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                                % prolog is visible ( but maybe not same file )   
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m_exists(P, F) :- private( F, P ), !.
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m_exists(P, F) :- public( F, P ).
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