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yap-6.3/pl/qly.yap
2012-04-19 01:00:29 -05:00

275 lines
7.8 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).
'$x_yap_flag'(X, V) :-
yap_flag(X, V),
X \= language,
X \= timezone,
X \= user_input,
X \= user_output,
X \= user_error,
X \= version.
'$init_state' :-
recorded('$program_state', _, _), !,
'$do_init_state'.
'$init_state'.
'$do_init_state' :-
compile_expressions,
'$init_preds',
fail.
'$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',
fail.
'$do_init_state' :-
'$current_module'(prolog),
module(user),
fail.
'$do_init_state' :-
'$init_from_saved_state_and_args',
fail.
'$do_init_state'.
%
% first, recover what we need from the saved state...
%
'$init_from_saved_state_and_args' :-
'$init_path_extensions',
fail.
% use if we come from a save_program and we have SWI's shlib
'$init_from_saved_state_and_args' :-
recorded('$reload_foreign_libraries',G,R),
erase(R),
shlib:reload_foreign_libraries,
fail.
% this should be done before -l kicks in.
'$init_from_saved_state_and_args' :-
'$access_yap_flags'(16,0),
( exists('~/.yaprc') -> load_files('~/.yaprc', []) ; true ),
( exists('~/.prologrc') -> load_files('~/.prologrc', []) ; true ),
( exists('~/prolog.ini') -> load_files('~/prolog.ini', []) ; true ),
fail.
% use if we come from a save_program and we have a goal to execute
'$init_from_saved_state_and_args' :-
get_value('$consult_on_boot',X), X \= [],
set_value('$consult_on_boot',[]),
'$do_startup_reconsult'(X),
fail.
'$init_from_saved_state_and_args' :-
'$startup_goals',
fail.
'$init_from_saved_state_and_args' :-
recorded('$restore_goal',G,R),
erase(R),
prompt(_,'| '),
'$system_catch'('$do_yes_no'((G->true),user),user,Error,user:'$Error'(Error)),
fail.
'$init_from_saved_state_and_args'.
'$init_path_extensions' :-
get_value('$extend_file_search_path',P), !,
P \= [],
set_value('$extend_file_search_path',[]),
'$extend_file_search_path'(P).
'$init_path_extensions'.
% then we can execute the programs.
'$startup_goals' :-
recorded('$startup_goal',G,_),
'$current_module'(Module),
'$system_catch'('$query'(once(G), []),Module,Error,user:'$Error'(Error)),
fail.
'$startup_goals' :-
get_value('$init_goal',GA),
GA \= [],
set_value('$init_goal',[]),
'$run_atom_goal'(GA),
fail.
'$startup_goals' :-
get_value('$myddas_goal',GA), GA \= [],
set_value('$myddas_goal',[]),
get_value('$myddas_user',User), User \= [],
set_value('$myddas_user',[]),
get_value('$myddas_db',Db), Db \= [],
set_value('$myddas_db',[]),
get_value('$myddas_host',HostT),
( HostT \= [] ->
Host = HostT,
set_value('$myddas_host',[])
;
Host = localhost
),
get_value('$myddas_pass',PassT),
( PassT \= [] ->
Pass = PassT,
set_value('$myddas_pass',[])
;
Pass = ''
),
use_module(library(myddas)),
call(db_open(mysql,myddas,Host/Db,User,Pass)),
'$myddas_import_all',
fail.
'$startup_goals'.
%
% MYDDAS: Import all the tables from one database
%
'$myddas_import_all':-
call(db_my_show_tables(myddas,table(Table))),
call(db_import(myddas,Table,Table)),
fail.
'$myddas_import_all'.
qsave_module(Mod) :-
recorded('$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).