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fixes in module flow 

also:
  - user is everyone's parent;
  - system predicate <=> prolog:predicate
This commit is contained in:
Vítor Santos Costa 2019-03-30 10:37:16 +00:00
parent 2af4dae017
commit 3f9e57fc48
10 changed files with 33 additions and 40 deletions
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2
packages/myddas/MyddasProto.h
View File

@ -75,8 +75,6 @@ extern void Yap_InitBackMYDDAS_PostgresPreds(void);
/* myddas_sqlite3.c */
#if defined MYDDAS_SQLITE3
extern void init_sqlite3( void );
extern void Yap_InitMYDDAS_SQLITE3Preds(void);
extern void Yap_InitBackMYDDAS_SQLITE3Preds(void);
#endif
/* Myddas_shared.c */

3
packages/myddas/myddas.h
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@ -17,9 +17,6 @@
typedef struct myddas_global *MYDDAS_GLOBAL;
#include "myddas_util.h"
// extern void Yap_InitMYDDAS_SQLITE3Preds(void);
// extern void Yap_InitBackMYDDAS_SQLITE3Preds(void);
#ifdef MYDDAS_STATS
typedef struct myddas_stats_time_struct *MYDDAS_STATS_TIME;
typedef struct myddas_global_stats *MYDDAS_GLOBAL_STATS;

6
packages/myddas/myddas_shared.c
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@ -51,6 +51,8 @@ static Int c_db_check(USES_REGS1);
#endif
void Yap_InitMYDDAS_SharedPreds(void) {
Term cm = CurrentModule;
CurrentModule = MkAtomTerm(Yap_LookupAtom("myddas"));
/* c_db_initialize_myddas */
Yap_InitCPred("c_db_initialize_myddas", 0, c_db_initialize_myddas, 0);
@ -86,15 +88,19 @@ void Yap_InitMYDDAS_SharedPreds(void) {
#ifdef DEBUG
Yap_InitCPred("c_db_check", 0, c_db_check, 0);
#endif
CurrentModule = cm;
}
void Yap_InitBackMYDDAS_SharedPreds(void) {
Term cm = CurrentModule;
CurrentModule = MkAtomTerm(Yap_LookupAtom("myddas"));
/* Gives all the predicates associated to a given connection */
Yap_InitCPredBack("c_db_preds_conn", 4, sizeof(Int), c_db_preds_conn_start,
c_db_preds_conn_continue, 0);
/* Gives all the connections stored on the MYDDAS Structure*/
Yap_InitCPredBack("c_db_connection", 1, sizeof(Int), c_db_connection_start,
c_db_connection_continue, 0);
CurrentModule = cm;
}
static bool myddas_initialised;

21
packages/myddas/pl/myddas.ypp
View File

@ -97,15 +97,6 @@
#endif
% myddas_assert_predicates.ypp
,
db_import/2,
db_import/3,
db_view/2,
db_view/3,
db_insert/2,
db_insert/3,
db_abolish/2,
db_listing/0,
db_listing/1
% myddas_mysql.ypp
]).
@ -123,7 +114,7 @@
]).
#endif
:- use_module(myddas_assert_predicates,[
:- reexport(myddas_assert_predicates,[
db_import/2,
db_import/3,
db_view/2,
@ -140,12 +131,12 @@
:- use_module(myddas_sqlite3,[
% myddas_mysql.ypp
%c_sqlite3_connect/4,
%c_sqlite3_disconnect/1,
%c_sqlite3_query/5,
c_sqlite3_connect/4,
c_sqlite3_disconnect/1,
c_sqlite3_query/5,
c_sqlite3_number_of_fields/3,
c_sqlite3_get_attributes_types/3,
sqlite3_result_set/1,
%c_sqlite3_number_of_fields/3,
%c_sqlite3_get_attributes_types/3,
sqlite3_describe/3,
sqlite3_show_tables/2,
sqlite3_row/3

3
packages/myddas/pl/myddas_assert_predicates.ypp
View File

@ -29,7 +29,8 @@
:- use_module(myddas,[
db_module/1
db_module/1,
c_db_connection_type/2
]).
:- use_module(myddas_errors,[

15
packages/myddas/pl/myddas_driver.ypp
View File

@ -19,28 +19,27 @@
#define DBMS(x) sqlite3_##x
#define c_DBMS(x) c_sqlite3_##x
#define NAME() 'YAPsqlite3'
#define MODULE() user
#define MODULE() myddas_sqlite3
#define INIT() init_sqlite3
#elif defined( odbc )
#undef odbc
#define DBMS(x) odbc_##x
#define c_DBMS(x) c_odbc_##x
#define NAME() 'YAPodbc'
#define MODULE() user
#define MODULE() myddas_odbc
#define INIT() init_odbc
#elif defined( postgres )
#undef postgres
#define DBMS(x) postgres_##x
#define c_DBMS(x) c_postgres_##x
#define NAME() 'YAPpostgres'
#define MODULE() user
#define MODULE() myddas_postgres
#define INIT() init_postgres
#endif
#if defined(DBMS)
:- module(MODULE(),[
/*
c_DBMS(change_database)/2,
c_DBMS(connect)/4,
c_DBMS(disconnect)/1,
@ -50,8 +49,8 @@
c_DBMS(get_next_result_set)/3,
c_DBMS(query)/5,
c_DBMS(number_of_fields)/3,
*/
DBMS(describe)/3,
DBMS(result_set)/1,
DBMS(show_tables)/2,
DBMS(row)/3
]).
@ -61,9 +60,7 @@
:- use_module(library(maplist)).
:- use_module(myddas,[
db_sql/3
]).
:- use_module(myddas).
:- use_module(myddas_errors,[
'$error_checks'/1
@ -154,7 +151,7 @@ DBMS(datalog_show_tables)(Connection) :-
% DBMS(show_tables)/2
% gives the results of the SHOW TABLES statement
% by backtracking
DBMS(show_tables)(Connection,table(Table)) :-
DBMS(showq_tables)(Connection,table(Table)) :-
'$get_value'(Connection,Conn),
SQL = 'SELECT name FROM sqlite_master WHERE type=\'table\' ORDER BY name',
DBMS(result_set)(Mode),

9
packages/myddas/sqlite3/myddas_sqlite3.c
View File

@ -630,6 +630,8 @@ static Int c_sqlite3_row(USES_REGS1) {
}
static void Yap_InitMYDDAS_SQLITE3Preds(void) {
Term cm = CurrentModule;
CurrentModule = MkAtomTerm(Yap_LookupAtom("myddas_sqlite3"));
/* db_dbect: Host x User x Passwd x Database x dbection x ERROR_CODE */
Yap_InitCPred("c_sqlite3_connect", 4, c_sqlite3_connect, 0);
@ -661,23 +663,24 @@ static void Yap_InitMYDDAS_SQLITE3Preds(void) {
/* c_sqlite3_change_database: connection x DataBaseName */
Yap_InitCPred("c_sqlite3_change_database", 2, c_sqlite3_change_database, 0);
CurrentModule = cm;
}
static void Yap_InitBackMYDDAS_SQLITE3Preds(void) {
Term cm = CurrentModule;
CurrentModule = MkAtomTerm(Yap_LookupAtom("myddas_sqlite3"));
/* db_row: ResultSet x Arity x ListOfArgs */
// Yap_InitCPredBack("c_sqlite3_row", 3, 0, c_sqlite3_row_initialise,
// c_sqlite3_row, c_sqlite3_row_terminate);
Yap_InitCPred("c_sqlite3_row_initialise", 2, c_sqlite3_row_initialise, 0);
Yap_InitCPred("c_sqlite3_row_terminate", 2, c_sqlite3_row_terminate, 0);
Yap_InitCPredBack("c_sqlite3_row_get", 4, 0, c_sqlite3_row, c_sqlite3_row, 0);
CurrentModule = cm;
}
X_API void init_sqlite3(void) {
Term cm = CurrentModule;
Yap_InitMYDDAS_SQLITE3Preds();
Yap_InitBackMYDDAS_SQLITE3Preds();
CurrentModule = cm;
}

4
packages/myddas/sqlite3/sqlitest.yap
View File

@ -1,5 +1,4 @@
:- use_module(library(plunit)).
:- begin_tests(sqlite3).
@ -13,7 +12,7 @@ test(db_open) :-
db_open(sqlite3, '/data/user/0/pt.up.yap/files/chinook.db', _, _).
:- else.
test(db_open) :-
db_open(sqlite3,myddas,dataset('chinook.db'),_,_).
db_open(sqlite3,myddas,dataset('chinook.db'),_,_).
:-endif.
test(schema0, all((Desc ==[(table albums),
@ -98,3 +97,4 @@ test(close) :-
:- end_tests(sqlite3).
:- run_tests.

7
pl/imports.yap
View File

@ -46,10 +46,9 @@ fail.
recorded('$import','$import'(ExportingMod,ImportingMod,G0,G,_,_),_).
%% parent/user
'$get_predicate_definition'(ImportingMod:G,ExportingMod:G0) :-
( '$parent_module'(ImportingMod, PMod) ), %; PMod = user),
(nonvar(G0),'$pred_exists'(G0,PMod), PMod:G0 = ExportingMod:G;
recorded('$import','$import'(ExportingMod,PMod,G0,G,_,_),_)
).
( '$parent_module'(ImportingMod, PMod) ; PMod = user ),
ImportingMod \= PMod,
'$get_predicate_definition'(PMod:G, ExportingMod:G0).
%% autoload`
%'$get_predicate_definition'(ImportingMod:G,ExportingMod:G) :-
% current_prolog_flag(autoload, true),

3
pl/preds.yap
View File

@ -485,8 +485,9 @@ current_predicate(A0,T0) :-
'$all_current_modules'(M)
),
% M is bound
M \= prolog,
(
'$current_predicate'(A,M,T,user),
'$current_predicate'(A,M,T,_),
functor(T, A, _)
;
'$get_predicate_definition'(M:T,M1:_T1),