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This commit is contained in:
Vitor Santos Costa 2017-05-19 09:56:37 +01:00
parent 3802a588f9
commit 18af47bdde
13 changed files with 484 additions and 431 deletions
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6
C/adtdefs.c
View File

@ -493,8 +493,7 @@ Prop Yap_GetPredPropByAtom(Atom at, Term cur_mod)
return (p0);
}
inline static Prop GetPredPropByAtomHavingLockInThisModule(AtomEntry *ae,
Term cur_mod)
inline static Prop GetPredPropByAtomHavingLockInThisModule(AtomEntry *ae, Term cur_mod)
/* get predicate entry for ap/arity; create it if neccessary. */
{
Prop p0;
@ -528,14 +527,15 @@ Prop Yap_GetPredPropByAtomInThisModule(Atom at, Term cur_mod)
return (p0);
}
Prop Yap_GetPredPropByFunc(Functor f, Term cur_mod)
/* get predicate entry for ap/arity; */
{
Prop p0;
FUNC_READ_LOCK(f);
p0 = GetPredPropByFuncHavingLock(f, cur_mod);
FUNC_READ_UNLOCK(f);
return (p0);
}

16
C/c_interface.c
View File

@ -3396,10 +3396,18 @@ X_API Functor YAP_IntToFunctor(Int i) { return TR_Functors[i]; }
X_API void *YAP_shared(void) { return LOCAL_shared; }
void yap_init(void) {}
X_API PredEntry *YAP_TopGoal(void)
{
YAP_Functor f = Yap_MkFunctor(Yap_LookupAtom("yap_query"),3);
Term tmod = MkAtomTerm(Yap_LookupAtom("yapi"));
PredEntry *p = RepPredProp(Yap_GetPredPropByFunc(f, tmod));
return p;
}
void yap_init(void) {}
#endif // C_INTERFACE_C
/**
@}
*/
/**
@}
*/

18
C/cdmgr.c
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@ -1647,6 +1647,14 @@ bool Yap_constPred(PredEntry *p) {
pred_flags_t pflags;
pflags = p->PredFlags;
if (pflags &
((UserCPredFlag | CArgsPredFlag | NumberDBPredFlag | AtomDBPredFlag |
TestPredFlag | AsmPredFlag | CPredFlag | BinaryPredFlag)))
return true;
if (p->PredFlags &
(SysExportPredFlag | MultiFileFlag | DynamicPredFlag | LogUpdatePredFlag))
return false;
if (Yap_isSystemModule(p->ModuleOfPred)) {
if (p->cs.p_code.NOfClauses == 0) {
p->src.OwnerFile = Yap_source_file_name();
@ -1656,14 +1664,6 @@ bool Yap_constPred(PredEntry *p) {
return false;
}
}
if (pflags &
((UserCPredFlag | CArgsPredFlag | NumberDBPredFlag | AtomDBPredFlag |
TestPredFlag | AsmPredFlag | CPredFlag | BinaryPredFlag)))
return true;
if (p->PredFlags &
(SysExportPredFlag | MultiFileFlag | DynamicPredFlag | LogUpdatePredFlag))
return false;
return false;
}
@ -1719,7 +1719,6 @@ bool Yap_addclause(Term t, yamop *cp, Term tmode, Term mod, Term *t4ref)
at = NameOfFunctor(f);
p = RepPredProp(PredPropByFunc(f, mod));
}
Yap_PutValue(AtomAbol, TermNil);
PELOCK(20, p);
/* we are redefining a prolog module predicate */
if (Yap_constPred(p)) {
@ -1727,6 +1726,7 @@ bool Yap_addclause(Term t, yamop *cp, Term tmode, Term mod, Term *t4ref)
UNLOCKPE(30, p);
return false;
}
Yap_PutValue(AtomAbol, TermNil);
pflags = p->PredFlags;
/* we are redefining a prolog module predicate */
if (pflags & MegaClausePredFlag) {

14
CXX/yapdb.hh
View File

@ -46,7 +46,7 @@ class YAPModule;
class YAPModule : protected YAPAtomTerm {
friend class YAPPredicate;
friend class YAPModuleProp;
YAPModule(Term t) : YAPAtomTerm(t){};
YAPModule(YAP_Term t) : YAPAtomTerm(t){};
Term t() { return gt(); }
Term curModule() { CACHE_REGS return Yap_CurrentModule(); }
@ -138,6 +138,11 @@ protected:
PredEntry *asPred() { return ap; };
/// Empty constructor for predicates
///
/// Just do nothing.
inline YAPPredicate() {
}
/// String constructor for predicates
///
/// It also communicates the array of arguments t[]
@ -181,6 +186,13 @@ protected:
///
inline YAPPredicate(PredEntry *pe) { ap = pe; }
/// Functor constructor for predicates, is given a specific module.
/// This version avoids manufacturing objects
inline YAPPredicate(Functor f, Term mod) {
ap = RepPredProp(PredPropByFunc(f, mod));
}
public:
/// Functor constructor for predicates

478
CXX/yapi.cpp
View File

@ -435,16 +435,7 @@ void YAPQuery::openQuery(Term t)
XREGS[i + 1] = ts[i];
}
}
// oq = LOCAL_execution;
// LOCAL_execution = this;
q_open = true;
q_state = 0;
q_flags = true; // PL_Q_PASS_EXCEPTION;
q_p = P;
q_cp = CP;
// make sure this is safe
q_handles = LOCAL_CurSlot;
setNext();
}
bool YAPEngine::call(YAPPredicate ap, YAPTerm ts[])
@ -833,6 +824,7 @@ void Yap_displayWithJava(int c)
#endif
void YAPEngine::doInit(YAP_file_type_t BootMode)
{
if ((BootMode = YAP_Init(&engine_args->init_args)) == YAP_FOUND_BOOT_ERROR)
@ -852,228 +844,264 @@ void YAPEngine::doInit(YAP_file_type_t BootMode)
do_init_python();
#endif
YAPQuery initq = YAPQuery(YAPAtom("$init_system"));
if (initq.next())
{
initq.cut();
}
else
{
// should throw exception
}
YAP_Functor f = YAP_MkFunctor(YAP_LookupAtom("$init_system"), 3);
YAP_PredEntryPtr p = YAP_FunctorToPred( f );
YAPQuery initq = YAPQuery(YAPPredicate(p), nullptr);
if (initq.next())
{
initq.cut();
}
else
{
// should throw exception
}
}
YAPEngine::YAPEngine(int argc, char *argv[],
YAPCallback *cb)
: _callback(0) { // a single engine can be active
YAPCallback *cb)
: _callback(0) { // a single engine can be active
YAP_file_type_t BootMode;
engine_args = new YAPEngineArgs();
BootMode = YAP_parse_yap_arguments(argc, argv, &engine_args->init_args);
// delYAPCallback()b
// if (cb)
// setYAPCallback(cb);
doInit(BootMode);
}
YAPPredicate::YAPPredicate(YAPAtom at)
{
CACHE_REGS
ap = RepPredProp(PredPropByAtom(at.a, Yap_CurrentModule()));
}
YAPPredicate::YAPPredicate(YAPAtom at, uintptr_t arity)
{
CACHE_REGS
if (arity)
{
Functor f = Yap_MkFunctor(at.a, arity);
ap = RepPredProp(PredPropByFunc(f, Yap_CurrentModule()));
}
else
{
ap = RepPredProp(PredPropByAtom(at.a, Yap_CurrentModule()));
}
}
/// auxiliary routine to find a predicate in the current module.
PredEntry *YAPPredicate::getPred(YAPTerm &tt, Term *&outp)
{
CACHE_REGS
Term m = Yap_CurrentModule(), t = tt.term();
t = Yap_StripModule(t, &m);
if (IsVarTerm(t) || IsNumTerm(t))
{
if (IsVarTerm(t))
Yap_ThrowError(INSTANTIATION_ERROR, tt.term(), 0);
else if (IsNumTerm(t))
Yap_ThrowError(TYPE_ERROR_CALLABLE, tt.term(), 0);
throw YAPError();
}
tt.put(t);
if (IsAtomTerm(t))
{
ap = RepPredProp(PredPropByAtom(AtomOfTerm(t), m));
outp = (Term *)NULL;
return ap;
}
else if (IsPairTerm(t))
{
Term ts[2];
ts[0] = t;
ts[1] = m;
t = Yap_MkApplTerm(FunctorCsult, 2, ts);
tt.put(t);
outp = RepAppl(t) + 1;
}
Functor f = FunctorOfTerm(t);
if (IsExtensionFunctor(f))
{
Yap_ThrowError(TYPE_ERROR_CALLABLE, t, 0);
}
else
{
ap = RepPredProp(PredPropByFunc(f, m));
outp = RepAppl(t) + 1;
}
return ap;
}
X_API bool YAPPrologPredicate::assertClause(YAPTerm cl, bool last,
YAPTerm source)
{
CACHE_REGS
RECOVER_MACHINE_REGS();
Term tt = cl.gt();
Term sourcet;
Term ntt = cl.gt();
if (source.initialized())
sourcet = source.gt();
else
sourcet = TermZERO;
yamop *codeaddr = Yap_cclause(tt, ap->ArityOfPE, Yap_CurrentModule(),
sourcet); /* vsc: give the number of arguments
to cclause in case there is overflow */
if (LOCAL_ErrorMessage)
{
RECOVER_MACHINE_REGS();
return false;
}
Term *tref = &ntt;
if (Yap_addclause(ntt, codeaddr, (last ? TermAssertz : TermAsserta),
Yap_CurrentModule(), tref))
{
RECOVER_MACHINE_REGS();
}
return tref;
}
bool YAPPrologPredicate::assertFact(YAPTerm *cl, bool last)
{
CACHE_REGS
arity_t i;
RECOVER_MACHINE_REGS();
Term tt = AbsAppl(HR);
*HR++ = (CELL)(ap->FunctorOfPred);
for (i = 0; i < ap->ArityOfPE; i++, cl++)
*HR++ = cl->gt();
yamop *codeaddr = Yap_cclause(tt, ap->ArityOfPE, Yap_CurrentModule(),
tt); /* vsc: give the number of arguments
to cclause in case there is overflow */
if (LOCAL_ErrorMessage)
{
RECOVER_MACHINE_REGS();
return false;
}
Term *tref = &tt;
if (Yap_addclause(tt, codeaddr, (last ? TermAssertz : TermAsserta),
Yap_CurrentModule(), tref))
{
RECOVER_MACHINE_REGS();
}
return tref;
}
void *YAPPrologPredicate::retractClause(YAPTerm skeleton, bool all)
{
return 0;
}
std::string YAPError::text()
{
char buf[256];
std::string s = "";
if (LOCAL_ActiveError->errorFunction)
{
s += LOCAL_ActiveError->errorFile;
s += ":";
sprintf(buf, "%ld", (long int)LOCAL_ActiveError->errorLine);
s += buf;
s += ":0 in C-code";
}
if (LOCAL_ActiveError->prologPredLine)
{
s += "\n";
s += LOCAL_ActiveError->prologPredFile->StrOfAE;
s += ":";
sprintf(buf, "%ld", (long int)LOCAL_ActiveError->prologPredLine);
s += buf; // std::to_string(LOCAL_ActiveError->prologPredLine) ;
// YAPIntegerTerm(LOCAL_ActiveError->prologPredLine).text();
s += ":0 ";
s += LOCAL_ActiveError->prologPredModule;
s += ":";
s += (LOCAL_ActiveError->prologPredName)->StrOfAE;
s += "/";
sprintf(buf, "%ld", (long int)LOCAL_ActiveError->prologPredArity);
s += // std::to_string(LOCAL_ActiveError->prologPredArity);
buf;
}
s += " error ";
if (LOCAL_ActiveError->classAsText != nullptr)
s += LOCAL_ActiveError->classAsText->StrOfAE;
s += ".";
s += LOCAL_ActiveError->errorAsText->StrOfAE;
s += ".\n";
if (LOCAL_ActiveError->errorTerm)
{
Term t = LOCAL_ActiveError->errorTerm->Entry;
if (t)
{
s += "error term is: ";
s += YAPTerm(t).text();
s += "\n";
YAP_file_type_t BootMode;
engine_args = new YAPEngineArgs();
BootMode = YAP_parse_yap_arguments(argc, argv, &engine_args->init_args);
// delYAPCallback()b
// if (cb)
// setYAPCallback(cb);
doInit(BootMode);
}
}
printf("%s\n", s.c_str());
return s.c_str();
}
void YAPEngine::reSet()
{
/* ignore flags for now */
BACKUP_MACHINE_REGS();
Yap_RebootHandles(worker_id);
while (B->cp_b)
B = B->cp_b;
P = FAILCODE;
Yap_exec_absmi(true, YAP_EXEC_ABSMI);
/* recover stack space */
HR = B->cp_h;
TR = B->cp_tr;
YAPPredicate::YAPPredicate(YAPAtom at)
{
CACHE_REGS
ap = RepPredProp(PredPropByAtom(at.a, Yap_CurrentModule()));
}
YAPPredicate::YAPPredicate(YAPAtom at, uintptr_t arity)
{
CACHE_REGS
if (arity)
{
Functor f = Yap_MkFunctor(at.a, arity);
ap = RepPredProp(PredPropByFunc(f, Yap_CurrentModule()));
}
else
{
ap = RepPredProp(PredPropByAtom(at.a, Yap_CurrentModule()));
}
}
/// auxiliary routine to find a predicate in the current module.
PredEntry *YAPPredicate::getPred(YAPTerm &tt, Term *&outp)
{
CACHE_REGS
Term m = Yap_CurrentModule(), t = tt.term();
t = Yap_StripModule(t, &m);
if (IsVarTerm(t) || IsNumTerm(t))
{
if (IsVarTerm(t))
Yap_ThrowError(INSTANTIATION_ERROR, tt.term(), 0);
else if (IsNumTerm(t))
Yap_ThrowError(TYPE_ERROR_CALLABLE, tt.term(), 0);
throw YAPError();
}
tt.put(t);
if (IsAtomTerm(t))
{
ap = RepPredProp(PredPropByAtom(AtomOfTerm(t), m));
outp = (Term *)NULL;
return ap;
}
else if (IsPairTerm(t))
{
Term ts[2];
ts[0] = t;
ts[1] = m;
t = Yap_MkApplTerm(FunctorCsult, 2, ts);
tt.put(t);
outp = RepAppl(t) + 1;
}
Functor f = FunctorOfTerm(t);
if (IsExtensionFunctor(f))
{
Yap_ThrowError(TYPE_ERROR_CALLABLE, t, 0);
}
else
{
ap = RepPredProp(PredPropByFunc(f, m));
outp = RepAppl(t) + 1;
}
return ap;
}
X_API bool YAPPrologPredicate::assertClause(YAPTerm cl, bool last,
YAPTerm source)
{
CACHE_REGS
RECOVER_MACHINE_REGS();
Term tt = cl.gt();
Term sourcet;
Term ntt = cl.gt();
if (source.initialized())
sourcet = source.gt();
else
sourcet = TermZERO;
yamop *codeaddr = Yap_cclause(tt, ap->ArityOfPE, Yap_CurrentModule(),
sourcet); /* vsc: give the number of arguments
to cclause in case there is overflow */
if (LOCAL_ErrorMessage)
{
RECOVER_MACHINE_REGS();
return false;
}
Term *tref = &ntt;
if (Yap_addclause(ntt, codeaddr, (last ? TermAssertz : TermAsserta),
Yap_CurrentModule(), tref))
{
RECOVER_MACHINE_REGS();
}
return tref;
}
bool YAPPrologPredicate::assertFact(YAPTerm *cl, bool last)
{
CACHE_REGS
arity_t i;
RECOVER_MACHINE_REGS();
Term tt = AbsAppl(HR);
*HR++ = (CELL)(ap->FunctorOfPred);
for (i = 0; i < ap->ArityOfPE; i++, cl++)
*HR++ = cl->gt();
yamop *codeaddr = Yap_cclause(tt, ap->ArityOfPE, Yap_CurrentModule(),
tt); /* vsc: give the number of arguments
to cclause in case there is overflow */
if (LOCAL_ErrorMessage)
{
RECOVER_MACHINE_REGS();
return false;
}
Term *tref = &tt;
if (Yap_addclause(tt, codeaddr, (last ? TermAssertz : TermAsserta),
Yap_CurrentModule(), tref))
{
RECOVER_MACHINE_REGS();
}
return tref;
}
void *YAPPrologPredicate::retractClause(YAPTerm skeleton, bool all)
{
return 0;
}
std::string YAPError::text()
{
char buf[256];
std::string s = "";
if (LOCAL_ActiveError->errorFunction)
{
s += LOCAL_ActiveError->errorFile;
s += ":";
sprintf(buf, "%ld", (long int)LOCAL_ActiveError->errorLine);
s += buf;
s += ":0 in C-code";
}
if (LOCAL_ActiveError->prologPredLine)
{
s += "\n";
s += LOCAL_ActiveError->prologPredFile->StrOfAE;
s += ":";
sprintf(buf, "%ld", (long int)LOCAL_ActiveError->prologPredLine);
s += buf; // std::to_string(LOCAL_ActiveError->prologPredLine) ;
// YAPIntegerTerm(LOCAL_ActiveError->prologPredLine).text();
s += ":0 ";
s += LOCAL_ActiveError->prologPredModule;
s += ":";
s += (LOCAL_ActiveError->prologPredName)->StrOfAE;
s += "/";
sprintf(buf, "%ld", (long int)LOCAL_ActiveError->prologPredArity);
s += // std::to_string(LOCAL_ActiveError->prologPredArity);
buf;
}
s += " error ";
if (LOCAL_ActiveError->classAsText != nullptr)
s += LOCAL_ActiveError->classAsText->StrOfAE;
s += ".";
s += LOCAL_ActiveError->errorAsText->StrOfAE;
s += ".\n";
if (LOCAL_ActiveError->errorTerm)
{
Term t = LOCAL_ActiveError->errorTerm->Entry;
if (t)
{
s += "error term is: ";
s += YAPTerm(t).text();
s += "\n";
}
}
printf("%s\n", s.c_str());
return s.c_str();
}
void YAPEngine::reSet()
{
/* ignore flags for now */
BACKUP_MACHINE_REGS();
Yap_RebootHandles(worker_id);
while (B->cp_b)
B = B->cp_b;
P = FAILCODE;
Yap_exec_absmi(true, YAP_EXEC_ABSMI);
/* recover stack space */
HR = B->cp_h;
TR = B->cp_tr;
#ifdef DEPTH_LIMIT
DEPTH = B->cp_depth;
DEPTH = B->cp_depth;
#endif /* DEPTH_LIMIT */
YENV = ENV = B->cp_env;
YENV = ENV = B->cp_env;
RECOVER_MACHINE_REGS();
}
RECOVER_MACHINE_REGS();
}
YAPError::YAPError(yap_error_number id, YAPTerm culprit, std::string txt)
{
ID = id;
goal = culprit.text();
info = txt;
}
YAPError::YAPError(yap_error_number id, YAPTerm culprit, std::string txt)
{
ID = id;
goal = culprit.text();
info = txt;
}
Term YAPEngine::top_level( std::string s)
{
/// parse string s and make term with var names
/// available.
Term tp;
ARG1 = YAP_ReadBuffer(s.data(), &tp);
ARG2 = tp;
ARG3 = MkVarTerm();
YAPPredicate p = YAPPredicate(YAP_TopGoal());
YAPQuery *Q = new YAPQuery(p,0);
if (Q->next()) {
Term ts[2];
ts[0]= MkAddressTerm(Q);
ts[1]= ARG3;
return YAP_MkApplTerm(YAP_MkFunctor(YAP_LookupAtom("t"), 2), 2, ts);
}
YAPError();
return 0;
}
Term YAPEngine::next_answer(YAPQuery * &Q) {
/// parse string s and make term with var names
/// available.
if (Q->next()) {
Term ts[2];
ts[0]= MkAddressTerm(Q);
ts[1]= ARG3;
return YAP_MkApplTerm(YAP_MkFunctor(YAP_LookupAtom("t"), 2), 2, ts);
}
return 0;
}

130
CXX/yapq.hh
View File

@ -2,7 +2,7 @@
/**
* @file yapq.hh
*
* @defgroup yap-cplus-query-hanadlinge Query Handling in the YAP interface.
* @defgroup yap-cplus-query-handling Query Handling in the YAP interface.
* @brief Engine and Query Management
*
* @ingroup yap-cplus-interface
@ -46,9 +46,24 @@ class YAPQuery : public YAPPredicate
// temporaries
Term tnames, tgoal ;
inline void setNext() { // oq = LOCAL_execution;
// LOCAL_execution = this;
q_open = true;
q_state = 0;
q_flags = true; // PL_Q_PASS_EXCEPTION;
q_p = P;
q_cp = CP;
// make sure this is safe
q_handles = LOCAL_CurSlot;
}
void openQuery(Term t);
public:
YAPQuery() {
};
/// main constructor, uses a predicate and an array of terms
///
/// It is given a YAPPredicate _p_ , and an array of terms that must have at
@ -74,63 +89,68 @@ public:
/// goal.
inline YAPQuery(const char *s) : YAPPredicate(s, tgoal, tnames)
{
__android_log_print(ANDROID_LOG_INFO, "YAPDroid", "got game %ld",
LOCAL_CurSlot);
if (!ap)
return;
__android_log_print(ANDROID_LOG_INFO, "YAPDroid", "%s", vnames.text());
goal = YAPTerm(tgoal);
names = YAPPairTerm(tnames);
openQuery(tgoal);
__android_log_print(ANDROID_LOG_INFO, "YAPDroid", "got game %ld",
LOCAL_CurSlot);
if (!ap)
return;
__android_log_print(ANDROID_LOG_INFO, "YAPDroid", "%s", vnames.text());
goal = YAPTerm(tgoal);
names = YAPPairTerm(tnames);
openQuery(tgoal);
};
// inline YAPQuery() : YAPPredicate(s, tgoal, tnames)
// {
// __android_log_print(ANDROID_LOG_INFO, "YAPDroid", "got game %ld",
// LOCAL_CurSlot);
// if (!ap)
// return;
// __android_log_print(ANDROID_LOG_INFO, "YAPDroid", "%s", vnames.text());
// goal = YAPTerm(tgoal);
// names = YAPPairTerm(tnames);
// openQuery(tgoal);
// };
/// string constructor with just an atom
///
/// It is given an atom, and a Prolog term that should be a callable
/// goal, say `main`, `init`, `live`.
inline YAPQuery(YAPAtom g) : YAPPredicate(g)
{
goal = YAPAtomTerm(g);
names = YAPPairTerm( );
openQuery(goal.term());
};
/// It i;
///};
/// set flags for query execution, currently only for exception handling
void setFlag(int flag) { q_flags |= flag; }
/// reset flags for query execution, currently only for exception handling
void resetFlag(int flag) { q_flags &= ~flag; }
/// first query
///
/// actually implemented by calling the next();
inline bool first() { return next(); }
/// ask for the next solution of the current query
/// same call for every solution
bool next();
/// does this query have open choice-points?
/// or is it deterministic?
bool deterministic();
/// represent the top-goal
const char *text();
/// remove alternatives in the current search space, and finish the current
/// query
/// finish the current query: undo all bindings.
void close();
/// query variables.
void cut();
Term namedVars() {return names.term(); };
/// query variables, but copied out
std::vector<Term> namedVarsVector() {
return names.listToArray(); };
/// convert a ref to a binding.
YAPTerm getTerm(yhandle_t t);
/// simple YAP Query;
/// just calls YAP and reports success or failure, Useful when we just
/// want things done, eg YAPCommand("load_files(library(lists), )")
inline bool command()
{
bool rc = next();
close();
return rc;
};
void resetFlag(int flag) { q_flags &= ~flag; }
/// first query
///
/// actually implemented by calling the next();
inline bool first() { return next(); }
/// ask for the next solution of the current query
/// same call for every solution
bool next();
/// does this query have open choice-points?
/// or is it deterministic?
bool deterministic();
/// represent the top-goal
const char *text();
/// remove alternatives in the current search space, and finish the current
/// query
/// finish the current query: undo all bindings.
void close();
/// query variables.
void cut();
Term namedVars() {return names.term(); };
/// query variables, but copied out
std::vector<Term> namedVarsVector() {
return names.listToArray(); };
/// convert a ref to a binding.
YAPTerm getTerm(yhandle_t t);
/// simple YAP Query;
/// just calls YAP and reports success or failure, Useful when we just
/// want things done, eg YAPCommand("load_files(library(lists), )")
inline bool command()
{
bool rc = next();
close();
return rc;
};
};
// Java support
@ -408,8 +428,12 @@ public:
{
return setYapFlag(MkAtomTerm(Yap_LookupAtom(arg.data())), MkAtomTerm(Yap_LookupAtom(path.data())));
};
};
Term top_level( std::string s);
Term next_answer(YAPQuery * &Q);
};
#endif /* YAPQ_HH */
/// @}
/// @}

2
include/YapInterface.h
View File

@ -684,6 +684,8 @@ extern X_API YAP_Int YAP_FunctorToInt(YAP_Functor At);
extern X_API YAP_Functor YAP_IntToFunctor(YAP_Int i);
extern X_API YAP_PredEntryPtr YAP_TopGoal(void);
#define YAP_InitCPred(N, A, F) YAP_UserCPredicate(N, F, A)
__END_DECLS

6
packages/python/swig/CMakeLists.txt
View File

@ -70,9 +70,9 @@ add_custom_target( YAP4PY ALL
COMMAND ${CMAKE_COMMAND} -E copy ${pl_library} ${PROLOG_SOURCES} ${CMAKE_CURRENT_BINARY_DIR}/yap4py/prolog
COMMAND ${CMAKE_COMMAND} -E copy ${pl_boot_library} ${CMAKE_CURRENT_BINARY_DIR}/yap4py/prolog/pl
COMMAND ${CMAKE_COMMAND} -E copy ${pl_os_library} ${CMAKE_CURRENT_BINARY_DIR}/yap4py/prolog/os
COMMAND ${PYTHON_EXECUTABLE} setup.py sdist bdist_wheel
COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/setup.py sdist bdist_wheel
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
DEPENDS STARTUP ${dlls} ${PYTHON_SOURCES} ${PROLOG_SOURCES} setup.py ${SWIG_MODULE_Py2YAP_REAL_NAME} )
DEPENDS STARTUP ${dlls} ${PYTHON_SOURCES} ${PROLOG_SOURCES} ${CMAKE_CURRENT_BINARY_DIR}/setup.py ${SWIG_MODULE_Py2YAP_REAL_NAME} )
install(CODE "execute_process(COMMAND ${PYTHON_EXECUTABLE} -m pip install --no-index -f dist yap4py
@ -95,7 +95,7 @@ DEPENDS STARTUP ${dlls} ${PYTHON_SOURCES} ${PROLOG_SOURCES} setup.py ${SWIG_MOD
# generate .i from doxygen .xml
add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/ftdi1_doc.i
COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/doxy2swig.py -n
${CMAKE_BINARY_DIR}/doc/xml/ftdi_8c.xml
${CMAKE_BINARY_DIR}/doc/xm11l/ftdi_8c.xml
${CMAKE_CURRENT_BINARY_DIR}/ftdi1_doc.i
DEPENDS ${CMAKE_BINARY_DIR}/doc/xml/ftdi_8c.xml
)

34
packages/python/swig/yapi.py
View File

@ -3,7 +3,7 @@ import yap
import os.path
import sys
# debugging support.
import pdb
# import pdb
from collections import namedtuple
yap_lib_path = os.path.dirname(__file__)
@ -12,6 +12,7 @@ use_module = namedtuple( 'use_module', 'file')
bindvars = namedtuple( 'bindvars', 'list')
library = namedtuple( 'library', 'list')
v = namedtuple( '_', 'slot')
yap_query = namedtuple( 'yap_query', 'query owner')
def numbervars( engine, l ):
@ -24,8 +25,6 @@ def numbervars( engine, l ):
o = o +[i]
return o
def query_prolog(engine, s):
def answer(q):
try:
return q.next()
@ -36,44 +35,29 @@ def query_prolog(engine, s):
#
# construct a query from a one-line string
# q is opaque to Python
q = engine.query(s)
if g0:
q = g0
else:
q = engine.run_query(s)
# vs is the list of variables
# you can print it out, the left-side is the variable name,
# the right side wraps a handle to a variable
# pdb.set_trace()
vs = q.namedVars()
#pdb.set_trace()
# #pdb.set_trace()
# atom match either symbols, or if no symbol exists, sttrings, In this case
# variable names should match strings
#for eq in vs:
# if not isinstance(eq[0],str):
# print( "Error: Variable Name matches a Python Symbol")
# return
ask = True
# ask = True
# launch the query
while answer(q):
# this new vs should contain bindings to vars
vs= q.namedVars()
if vs != []:
gs = numbervars( engine, vs)
i=0
# iterate
for eq in gs:
name = eq[0]
binding = eq[1]
# this is tricky, we're going to bind the variables in the term so thay we can
# output X=Y. The Python way is to use dictionares.
#Instead, we use the T function to tranform the Python term back to Prolog
if name != binding:
print(name + " = " + str(binding))
#ok, that was Prolog code
else:
print("yes")
# deterministic = one solution
if q.deterministic():
# done
q.close()
return
return True, True
if ask:
s = input("more(;), all(*), no(\\n), python(#) ?").lstrip()
if s.startswith(';') or s.startswith('y'):

111
packages/python/swig/yapi.yap
View File

@ -1,53 +1,76 @@
%% @file yapi.yap
%% @brief support yap shell
%%
:- module(yapi, [bindvars/2]).
:- module(yapi, [query/3]).
:- use_module( library(lists) ).
:- use_module( library(maplist) ).
:- use_module( library(rbtrees) ).
bindvars( [], [] ) :- !.
bindvars( L, NL ) :-
rb_new(T),
% trace,
foldl2( bind, L, NL, T, _ , 0, _),
term_variables(NL, Vs),
foldl( bind_new, Vs, 0, _).
%% @pred yap_query(0:Goal, + VarList, +OutStream, - Dictionary)
%% @pred yap_query(0:Goal, + VarList, - Dictionary)
%%
%% dictionary, Examples
%%
%%
yap_query( Goal, VarNames, Stream, Dictionary) :-
(
call(Goal)
*->
constraints(VarNames, Goal, Stream, Dictionary)
).
prolog:yap_query( Goal, VarNames, Dictionary) :-
yap_query( Goal, VarNames, user_output, Dictionary).
constraints(QVs, Goal, Stream, {Dict}) :-
!,
term_variables(Goal, IVs),
foldl(enumerate, IVs, 0, _Ns),
out(QVs, Stream, Dict).
constraints(_, _, {}) :-
format(' yes.~n', [] ).
bind_qv(V=V0, Vs, Vs) :- var(V0), !, V0='$VAR'(V).
bind_qv(V=V, Vs, Vs) :- !.
bind_qv(V=S, Vs, [V=S|Vs]).
enumerate('$VAR'(A), I, I1) :-
enum(I, Chars),
atom_codes(A,[0'_|Chars]),
I1 is I + 1.
enum(I, [C]) :-
I < 26,
!, C is "A" + I.
enum(I, [C|Cs]) :-
J is I//26,
K is I mod 26,
C is "A" +K,
enum(J, Cs).
out(Bs, S, _Dict) :-
output(Bs, S),
fail.
out(Bs, _S, Dict) :-
bvs(Bs, Dict).
v2py(v(I0) = _V, I0, I) :-
!,
I is I0+1.
v2py(v(I0) = v(I0), I0, I) :-
I is I0+1.
output([V=B], S) :-
format(S, 'a = ~q~n', [V, B]).
output([V=B|Ns], S) :-
format( S, 'a = ~q.~n', [V, B]),
output( Ns, S).
bind(t(_,t(X,Y)), Z, T0, T, N1, N2) :-
!,
bind(X=Y, Z, T0, T, N1, N2).
bind(tuple(_,tuple(X,Y)), Z, T0, T, N1, N2) :-
!,
bind(X=Y, Z, T0, T, N1, N2).
bind(X=Y, X=X, T0, T, N, N) :-
var(Y),
!,
rb_update(T0, Y, X, T).
bind(X = G, X = G, T, T, N0, N0) :-
ground(G),
!.
bind(X = C, X = NC, T, NT, N0, NF) :-
C =.. [N|L],
foldl2(newb, L, NL, T, NT, N0, NF),
NC =.. [N|NL].
newb(Y, X, T, T, N, N) :-
var(Y),
rb_lookup(Y, X, T),
!.
newb(Y, X, T, TN, N, NF) :-
var(Y),
!,
rb_insert(Y, T, X, TN),
NF is N+1,
atomic_concat('_',N,X).
newb(Y, Y, T, T, N, N) :-
ground(Y),
!.
newb(Y, X, T, NT, N0, NF) :-
Y =.. [N|L],
foldl2(newb, L, NL, T, NT, N0, NF),
X =.. [N|NL].
bvs([V=B],{V:B}) :-
!.
bvs([V=B|Ns], (V:B,N)) :-
output( Ns, N).
:- start_low_level_trace.

93
packages/python/yap_kernel/yap_kernel/interactiveshell.py
View File

@ -1,14 +1,14 @@
# -*- coding: utf-8 -*-
"""YAP Stuff for Main IPython class."""
#-----------------------------------------------------------------------------
# -----------------------------------------------------------------------------
# Copyright (C) 2001 Janko Hauser <jhauser@zscout.de>
# Copyright (C) 2001-2007 Fernando Perez. <fperez@colorado.edu>
# Copyright (C) 2008-2011 The IPython Development Team
#
# Distributed under the terms of the BSD License. The full license is in
# the file COPYING, distributed as part of this software.
#-----------------------------------------------------------------------------
# -----------------------------------------------------------------------------
from __future__ import absolute_import, print_function
@ -92,7 +92,7 @@ use_module = namedtuple('use_module', 'file')
bindvars = namedtuple('bindvars', 'list')
library = namedtuple('library', 'list')
v = namedtuple('_', 'slot')
load_fieos = namedtuple('load_files', 'file ofile args')
load_files = namedtuple('load_files', 'file ofile args')
class YAPInteraction:
@ -129,6 +129,8 @@ class YAPInteraction:
def numbervars(self, l):
return self.yapeng.fun(bindvars(l))
def run_cell(self, s, store_history=True, silent=False,
shell_futures=True):
"""Run a complete IPython cell.
@ -148,8 +150,9 @@ class YAPInteraction:
and logging. silent=True forces store_history=False.
shell_futures : bool
If True, the code will share future statements with the interactive
shell. It will both be affected by previous __future__ imports, and
any __future__ imports in the code will affect the shell. If False,
shell. It will both be affected by previous
__future__ imports, and any __future__ imports in the code
will affect the shell. If False,
__future__ imports are not shared in either direction.
Returns
@ -158,9 +161,7 @@ class YAPInteraction:
"""
result = ExecutionResult()
if store_history:
result.execution_count = self.shell.execution_count
result.execution_count = self.shell.execution_count
def error_before_exec(value):
result.error_before_exec = value
@ -168,32 +169,28 @@ class YAPInteraction:
return result
# inspect for ?? in the text
st = s.strip('\n\j\r\t ')
if (st):
(p0, pm, pf) = st.rpartition('??')
if pm == '??':
if pf.isdigit(p):
maxits = int(pf)*2
s = p0
elif pf.isspace(p):
maxits = 1
s = p0
else:
s = st
maxits = 2
else:
# business as usual
s = st
maxits = 2
elif st == '':
# next. please
maxis = 2
self.qclose()
# print(st)
#
maxits = 2
s = s.strip('\n\j\r\t ')
if not self.q or s:
(self.q,out) = self.top_level(s, out)
else:
out = q.next_answer()
if self.q:
st = s.strip('\n\j\r\t ')
if st and st == '*':
maxits = 1
elif st and st.isdigit():
maxits = int(st)*2
elif st and st != ';':
self.closeq()
if not self.q:
try:
if s:
self.q = self.yapeng.query(s)
self.q = self.yapeng.query(ya[q.__hash__])
self.vs = self.q.namedVarsVector()
else:
return
except SyntaxError:
@ -204,37 +201,11 @@ class YAPInteraction:
# if not silent:
# self.shell..logger.log(cell, s)
has_raised = False
self.run = True
try:
while self.run and maxits != 0:
# f = io.StringIO()
# with redirect_stdout(f):
self.run = self.q.next()
# print('{0}'.format(f.getvalue()))
# Execute the user code
if self.run:
myvs = self.numbervars(self.q.namedVars())
if myvs:
for eq in myvs:
name = eq[0]
binding = eq[1]
if name != binding:
print(name + " = " + str(binding))
else:
print("yes")
if self.q.deterministic():
self.closeq()
self.run = False
self.q = None
else:
maxits -= 2
else:
print("No (more) answers")
self.closeq()
self.run = False
while (maxits != 0):
self.do_loop(maxits, gs)
except Exception:
result.error_in_exec = sys.exc_info()[1]
# self.showtraceback()
has_raised = True
self.closeq()
@ -244,8 +215,8 @@ class YAPInteraction:
# ExecutionResult
# self.displayhook.exec_result = None
self.events.trigger('post_execute')
if not silent:
self.events.trigger('post_self.run_cell')
# self.events.trigger('post_execute')
# if not silent:
# self.events.trigger('post_self.run_cell')
return result

1
packages/python/yap_kernel/yap_kernel/yapkernel.py
View File

@ -57,6 +57,7 @@ class YAPKernel(KernelBase):
self.shell_handlers[msg_type] = getattr(self.comm_manager, msg_type)
self.engine = YAPInteraction(self)
self.shell._last_traceback = None
self.shell.run_cell = self.engine.run_cell
help_links = List([

4
pl/absf.yap
View File

@ -267,12 +267,12 @@ absolute_file_name(File0,File) :-
'$dir',
{ '$absf_trace'(' ~w next', [P0]) },
'$cat_file_name'(P0, E).
'$file_name'(Name, Opts, E) -->
'$file_name'(Name, _Opts, E) -->
'$cat_file_name'(Name, E ).
/*
(
{
get_abs_file_parameter( file_type, Opts, Lib ),
get_abs_file_parameter( file_type, _Opts, Lib ),
nonvar(Lib)
}
->