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yap-6.3/pl/qly.yap
2011-08-31 21:12:25 -07:00

173 lines
5.2 KiB
Prolog

/*************************************************************************
* *
* YAP Prolog *
* *
* Yap Prolog was developed at NCCUP - Universidade do Porto *
* *
* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-2011 *
* *
**************************************************************************
* *
* File: qly.yap *
* Last rev: *
* mods: *
* comments: fast save/restore *
* *
*************************************************************************/
qsave_program(File) :-
'$save_program_status',
open(File, write, S, [type(binary)]),
'$qsave_program'(S),
close(S).
'$save_program_status' :-
findall(F:V,'$x_yap_flag'(F,V),L),
recordz('$program_state',L,_).
% there is some ordering between flags.
'$x_yap_flag'(language, V).
'$x_yap_flag'(X, V) :-
yap_flag(X, V),
X \= language.
'$init_state' :-
recorded('$program_state', _, _), !,
'$do_init_state'.
'$init_state'.
'$do_init_state' :-
'$init_preds',
fail.
'$do_init_state' :-
recorded('$program_state',L,R),
erase(R),
lists:member(F:V,L),
catch(yap_flag(F,V),_,fail),
fail.
'$do_init_state' :-
set_value('$user_module',user), '$protect'.
'$do_init_state' :-
'$current_module'(prolog),
module(user),
fail.
'$do_init_state' :-
'$init_system',
fail.
'$do_init_state'.
qsave_module(Mod) :-
recorded('$module', '$module'(F,Mod,Exps), _),
'$fetch_parents_module'(Mod, Parents),
'$fetch_imports_module'(Mod, Imps),
'$fetch_multi_files_module'(Mod, MFs),
'$fetch_meta_predicates_module'(Mod, Metas),
'$fetch_module_transparents_module'(Mod, ModTransps),
asserta(Mod:'@mod_info'(F, Exps, Parents, Imps, Metas, ModTransps)),
atom_concat(Mod,'.qly',OF),
open(OF, write, S, [type(binary)]),
'$qsave_module_preds'(S, Mod),
close(S),
abolish(Mod:'@mod_info'/6),
fail.
qsave_module(_).
qload_program(File) :-
open(File, read, S, [type(binary)]),
'$qload_program'(S),
close(S).
qload_module(Mod) :-
atom_concat(Mod,'.qly',IF),
open(IF, read, S, [type(binary)]),
'$qload_module_preds'(S),
close(S),
fail.
qload_module(Mod) :-
'$complete_read'(Mod).
'$complete_read'(Mod) :-
retract(Mod:'@mod_info'(F, Exps, Parents, Imps, Metas, ModTransps)),
abolish(Mod:'$mod_info'/6),
recorda('$module', '$module'(F,Mod,Exps), _),
'$install_parents_module'(Mod, Parents),
'$install_imports_module'(Mod, Imps),
'$install_multi_files_module'(Mod, MFs),
'$install_meta_predicates_module'(Mod, Metas),
'$install_module_transparents_module'(Mod, ModTransps).
'$fetch_imports_module'(Mod, Imports) :-
findall(Info, '$fetch_import_module'(Mod, Info), Imports).
% detect an importerator that is local to the module.
'$fetch_import_module'(Mod, '$import'(Mod0,Mod,G0,G,N,K)) :-
recorded('$import', '$import'(Mod0,Mod,G0,G,N,K), _).
'$fetch_parents_module'(Mod, Parents) :-
findall(Parent, prolog:'$parent_module'(Mod,Parent), Parents).
'$fetch_module_transparents_module'(Mod, Module_Transparents) :-
findall(Info, '$fetch_module_transparent_module'(Mod, Info), Module_Transparents).
% detect an module_transparenterator that is local to the module.
'$fetch_module_transparent_module'(Mod, '$module_transparent'(F,Mod,N,P)) :-
prolog:'$module_transparent'(F,Mod0,N,P), Mod0 == Mod.
'$fetch_meta_predicates_module'(Mod, Meta_Predicates) :-
findall(Info, '$fetch_meta_predicate_module'(Mod, Info), Meta_Predicates).
% detect an meta_predicateerator that is local to the module.
'$fetch_meta_predicate_module'(Mod, '$meta_predicate'(F,Mod,N,P)) :-
prolog:'$meta_predicate'(F,Mod0,N,P), Mod0 == Mod.
'$fetch_multi_files_module'(Mod, Multi_Files) :-
findall(Info, '$fetch_multi_file_module'(Mod, Info), Multi_Files).
% detect an multi_fileerator that is local to the module.
'$fetch_multi_file_module'(Mod, '$defined'(FileName,Name,Arity,Mod)) :-
recorded('$multifile_defs','$defined'(FileName,Name,Arity,Mod), _).
'$fetch_term_expansions_module'(Mod, Term_Expansions) :-
findall(Info, '$fetch_term_expansion_module'(Mod, Info), Term_Expansions).
% detect an term_expansionerator that is local to the module.
'$fetch_term_expansion_module'(Mod,'$defined'(FileName,Name,Arity,Mod)) :-
recorded('$multifile_defs','$defined'(FileName,Name,Arity,Mod), _).
'$install_ops_module'(_, []).
'$install_ops_module'(Mod, op(X,Y,Op).Ops) :-
op(X, Y, Mod:Op),
'$install_ops_module'(Mod, Ops).
'$install_imports_module'(_, []).
'$install_imports_module'(Mod, Import.Imports) :-
recordz('$import', Import, _),
'$install_imports_module'(Mod, Imports).
'$install_parents_module'(_, []).
'$install_parents_module'(Mod, Parent.Parents) :-
assert(prolog:Parent),
'$install_parents_module'(Mod, Parents).
'$install_module_transparents_module'(_, []).
'$install_module_transparents_module'(Mod, Module_Transparent.Module_Transparents) :-
assert(prolog:Module_Transparent),
'$install_module_transparents_module'(Mod, Module_Transparents).
'$install_meta_predicates_module'(_, []).
'$install_meta_predicates_module'(Mod, Meta_Predicate.Meta_Predicates) :-
assert(prolog:Meta_Predicate),
'$install_meta_predicates_module'(Mod, Meta_Predicates).
'$install_multi_files_module'(_, []).
'$install_multi_files_module'(Mod, Multi_File.Multi_Files) :-
recordz('$multifile_defs',Multi_File, _).
'$install_multi_files_module'(Mod, Multi_Files).