1108 lines
23 KiB
C++
1108 lines
23 KiB
C++
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#define YAP_CPP_INTERFACE 1
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#include "yapi.hh"
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extern "C" {
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#if __ANDROID__
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#include "android/log.h"
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#endif
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#include "YapInterface.h"
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#include "blobs.h"
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X_API char *Yap_TermToString(Term t, size_t *length, encoding_t encodingp,
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int flags);
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X_API void YAP_UserCPredicate(const char *, YAP_UserCPred, arity_t arity);
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X_API void YAP_UserCPredicateWithArgs(const char *, YAP_UserCPred, arity_t,
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YAP_Term);
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X_API void YAP_UserBackCPredicate(const char *, YAP_UserCPred, YAP_UserCPred,
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arity_t, arity_t);
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#if YAP_PYTHON
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X_API bool do_init_python(void);
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#endif
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}
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YAPAtomTerm::YAPAtomTerm(char *s)
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{ // build string
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BACKUP_H();
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CACHE_REGS
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seq_tv_t inp, out;
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inp.val.c = s;
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inp.type = YAP_STRING_CHARS;
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out.type = YAP_STRING_ATOM;
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if (Yap_CVT_Text(&inp, &out PASS_REGS))
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mk(MkAtomTerm(out.val.a));
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else
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t = 0L;
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RECOVER_H();
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}
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YAPAtomTerm::YAPAtomTerm(char *s, size_t len)
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{ // build string
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BACKUP_H();
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CACHE_REGS
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seq_tv_t inp, out;
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inp.val.c = s;
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inp.type = YAP_STRING_CHARS;
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out.type = YAP_STRING_ATOM | YAP_STRING_NCHARS | YAP_STRING_TRUNC;
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out.max = len;
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if (Yap_CVT_Text(&inp, &out PASS_REGS))
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mk(MkAtomTerm(out.val.a));
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else
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t = 0L;
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RECOVER_H();
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}
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YAPAtomTerm::YAPAtomTerm(wchar_t *s) : YAPTerm()
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{ // build string
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BACKUP_H();
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CACHE_REGS
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seq_tv_t inp, out;
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inp.val.w = s;
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inp.type = YAP_STRING_WCHARS;
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out.type = YAP_STRING_ATOM;
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if (Yap_CVT_Text(&inp, &out PASS_REGS))
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mk(MkAtomTerm(out.val.a));
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else
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t = 0L;
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RECOVER_H();
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}
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YAPAtomTerm::YAPAtomTerm(wchar_t *s, size_t len) : YAPTerm()
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{ // build string
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BACKUP_H();
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CACHE_REGS
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seq_tv_t inp, out;
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inp.val.w = s;
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inp.type = YAP_STRING_WCHARS;
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out.type = YAP_STRING_ATOM | YAP_STRING_NCHARS | YAP_STRING_TRUNC;
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out.max = len;
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if (Yap_CVT_Text(&inp, &out PASS_REGS))
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mk(MkAtomTerm(out.val.a));
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else
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t = 0L;
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RECOVER_H();
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}
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YAPStringTerm::YAPStringTerm(char *s)
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{ // build string
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BACKUP_H();
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CACHE_REGS
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seq_tv_t inp, out;
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inp.val.c = s;
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inp.type = YAP_STRING_CHARS;
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out.type = YAP_STRING_STRING;
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if (Yap_CVT_Text(&inp, &out PASS_REGS))
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mk(out.val.t);
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else
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t = 0L;
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RECOVER_H();
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}
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YAPStringTerm::YAPStringTerm(char *s, size_t len)
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{ // build string
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BACKUP_H();
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CACHE_REGS
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seq_tv_t inp, out;
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inp.val.c = s;
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inp.type = YAP_STRING_CHARS;
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out.type = YAP_STRING_STRING | YAP_STRING_NCHARS | YAP_STRING_TRUNC;
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out.max = len;
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if (Yap_CVT_Text(&inp, &out PASS_REGS))
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mk(out.val.t);
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else
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t = 0L;
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RECOVER_H();
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}
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YAPStringTerm::YAPStringTerm(wchar_t *s) : YAPTerm()
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{ // build string
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BACKUP_H();
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CACHE_REGS
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seq_tv_t inp, out;
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inp.val.w = s;
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inp.type = YAP_STRING_WCHARS;
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out.type = YAP_STRING_STRING;
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if (Yap_CVT_Text(&inp, &out PASS_REGS))
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mk(out.val.t);
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else
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t = 0L;
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RECOVER_H();
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}
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YAPStringTerm::YAPStringTerm(wchar_t *s, size_t len)
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: YAPTerm()
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{ // build string
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BACKUP_H();
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CACHE_REGS
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seq_tv_t inp, out;
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inp.val.w = s;
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inp.type = YAP_STRING_WCHARS;
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out.type = YAP_STRING_STRING | YAP_STRING_NCHARS | YAP_STRING_TRUNC;
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out.max = len;
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if (Yap_CVT_Text(&inp, &out PASS_REGS))
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mk(out.val.t);
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else
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t = 0L;
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RECOVER_H();
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}
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YAPApplTerm::YAPApplTerm(YAPFunctor f, YAPTerm ts[]) : YAPTerm()
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{
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BACKUP_H();
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arity_t arity = ArityOfFunctor(f.f);
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Term *tt = new Term[arity];
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for (arity_t i = 0; i < arity; i++)
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tt[i] = ts[i].term();
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mk(Yap_MkApplTerm(f.f, arity, tt));
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delete[] tt;
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RECOVER_H();
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}
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YAPApplTerm::YAPApplTerm(std::string f, std::vector<YAPTerm> ts) : YAPTerm()
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{
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BACKUP_H();
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arity_t arity = ts.size();
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std::vector<Term> tt(arity);
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for (arity_t i = 0; i < arity; i++)
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tt[i] = ts[i].term();
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Functor ff = Yap_MkFunctor(Yap_LookupAtom(f.c_str()), arity);
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t = Yap_MkApplTerm(ff, arity, &tt[0]);
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RECOVER_H();
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}
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YAPApplTerm::YAPApplTerm(YAPFunctor f) : YAPTerm()
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{
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BACKUP_H();
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arity_t arity = ArityOfFunctor(f.f);
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mk(Yap_MkNewApplTerm(f.f, arity));
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RECOVER_H();
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}
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YAPFunctor YAPApplTerm::getFunctor() { return YAPFunctor(FunctorOfTerm(gt())); }
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Term &YAPTerm::operator[](arity_t i)
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{
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BACKUP_MACHINE_REGS();
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Term t0 = gt();
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Term tf = 0;
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if (IsApplTerm(t0))
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{
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// Functor f = FunctorOfTerm(t0);
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// if (IsExtensionFunctor(f))
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// return 0;
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tf = RepAppl(t0)[(i + 1)];
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}
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else if (IsPairTerm(t0))
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{
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if (i == 0)
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tf = HeadOfTerm(t0);
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else if (i == 1)
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tf = TailOfTerm(t0);
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RECOVER_MACHINE_REGS();
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tf = RepPair(tf)[i];
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}
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RECOVER_MACHINE_REGS();
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Yap_Error(TYPE_ERROR_COMPOUND, tf, "");
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throw YAPError();
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}
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Term &YAPListTerm::operator[](arity_t i)
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{
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BACKUP_MACHINE_REGS();
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Term t0 = gt();
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Term tf = 0;
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while (IsPairTerm(t0))
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{
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if (i == 0)
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{
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tf = HeadOfTerm(t0);
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break;
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}
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else
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{
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t0 = TailOfTerm(t0);
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i--;
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}
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}
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RECOVER_MACHINE_REGS();
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return RepPair(tf)[i];
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}
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YAPPairTerm::YAPPairTerm(YAPTerm th, YAPTerm tl)
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{
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CACHE_REGS
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BACKUP_H();
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mk(MkPairTerm(th.term(), tl.term()));
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RECOVER_H();
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}
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YAPPairTerm::YAPPairTerm()
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{
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BACKUP_H();
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mk(TermNil);
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RECOVER_H();
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}
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YAP_tag_t YAPTerm::tag()
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{
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Term tt = gt();
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if (IsVarTerm(tt))
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{
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CELL *pt = VarOfTerm(tt);
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if (IsUnboundVar(pt))
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{
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CACHE_REGS
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if (IsAttVar(pt))
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return YAP_TAG_ATT;
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return YAP_TAG_UNBOUND;
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}
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return YAP_TAG_REF;
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}
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if (IsPairTerm(tt))
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return YAP_TAG_PAIR;
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if (IsAtomOrIntTerm(tt))
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{
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if (IsAtomTerm(tt))
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return YAP_TAG_ATOM;
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return YAP_TAG_INT;
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}
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else
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{
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Functor f = FunctorOfTerm(tt);
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if (IsExtensionFunctor(f))
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{
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if (f == FunctorDBRef)
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{
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return YAP_TAG_DBREF;
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}
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if (f == FunctorLongInt)
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{
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return YAP_TAG_LONG_INT;
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}
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if (f == FunctorBigInt)
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{
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big_blob_type bt = (big_blob_type)RepAppl(tt)[1];
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switch (bt)
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{
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case BIG_INT:
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return YAP_TAG_BIG_INT;
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case BIG_RATIONAL:
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return YAP_TAG_RATIONAL;
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default:
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return YAP_TAG_OPAQUE;
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}
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}
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}
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return YAP_TAG_APPL;
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}
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}
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Term YAPTerm::deepCopy()
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{
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yhandle_t tn;
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BACKUP_MACHINE_REGS();
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tn = Yap_CopyTerm(gt());
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RECOVER_MACHINE_REGS();
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return (tn);
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}
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Term YAPListTerm::dup()
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{
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yhandle_t tn;
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BACKUP_MACHINE_REGS();
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tn = Yap_CopyTerm(gt());
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RECOVER_MACHINE_REGS();
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return tn;
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}
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intptr_t YAPTerm::numberVars(intptr_t i0, bool skip_singletons)
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{
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BACKUP_MACHINE_REGS();
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intptr_t i = Yap_NumberVars(gt(), i0, skip_singletons);
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RECOVER_MACHINE_REGS();
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return i;
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}
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const char *YAPQuery::text() { return YAPTerm(goal).text(); }
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YAPIntegerTerm::YAPIntegerTerm(intptr_t i)
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{
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CACHE_REGS Term tn = MkIntegerTerm(i);
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mk(tn);
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}
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/*
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YAPTerm *YAPTerm::vars()
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{
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BACKUP_MACHINE_REGS();
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CACHE_REGS
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YAPPairTerm lv = YAPPairTerm(Yap_TermVariables(gt(), 0 PASS_REGS));
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RECOVER_MACHINE_REGS();
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return lv;
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}
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*/
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YAPTerm::YAPTerm(void *ptr)
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{
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CACHE_REGS
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mk(MkIntegerTerm((Int)ptr));
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}
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Term YAPListTerm::car()
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{
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Term to = gt();
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if (IsPairTerm(to))
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return (HeadOfTerm(to));
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else
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{
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Yap_Error(TYPE_ERROR_LIST, to, "");
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throw YAPError();
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return 0;
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}
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}
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YAPListTerm::YAPListTerm(YAPTerm ts[], arity_t n)
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{
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CACHE_REGS
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BACKUP_H();
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if (n == 0)
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t = TermNil;
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while (HR + n * 2 > ASP - 1024)
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{
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RECOVER_H();
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if (!Yap_dogc(0, NULL PASS_REGS))
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{
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t = TermNil;
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}
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BACKUP_H();
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}
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t = AbsPair(HR);
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for (arity_t i = 0; i < n; i++)
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{
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HR[2 * i] = ts[i].gt();
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HR[2 * i + 1] = AbsPair(HR + (2 * i + 2));
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}
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}
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YAPVarTerm::YAPVarTerm()
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{
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CACHE_REGS
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mk(MkVarTerm());
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}
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const char *YAPAtom::getName(void) { return Yap_AtomToUTF8Text(a, nullptr); }
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void YAPQuery::openQuery(Term t)
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{
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CACHE_REGS
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arity_t arity = ap->ArityOfPE;
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if (arity)
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{
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Term *ts;
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if (IsPairTerm(t))
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{
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ts = RepPair(t);
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}
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else
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{
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ts = RepAppl(t) + 1;
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}
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for (arity_t i = 0; i < arity; i++)
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{
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XREGS[i + 1] = ts[i];
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}
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}
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setNext();
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}
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bool YAPEngine::call(YAPPredicate ap, YAPTerm ts[])
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{
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try
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{
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CACHE_REGS
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if (ap.ap == NULL)
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return false;
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BACKUP_MACHINE_REGS();
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arity_t arity = ap.getArity();
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bool result;
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YAP_dogoalinfo q;
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sigjmp_buf q_env;
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for (arity_t i = 0; i < arity; i++)
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XREGS[i + 1] = ts[i].term();
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q.CurSlot = Yap_StartSlots();
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q.p = P;
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q.cp = CP;
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// allow Prolog style exceotion handling
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LOCAL_RestartEnv = &q_env;
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if (sigsetjmp(q_env, false))
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{
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throw YAPError();
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}
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// don't forget, on success these bindings will still be there);
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result = YAP_LeaveGoal(false, &q);
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Yap_CloseHandles(q.CurSlot);
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RECOVER_MACHINE_REGS();
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return result;
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}
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catch (YAPError e)
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{
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YAP_LeaveGoal(false, &q);
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Yap_CloseHandles(q.CurSlot);
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std::cerr << "Exception received by " << YAPApplTerm(ap.functor(), ts).text() << ".\n Forwarded...\n\n";
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throw e;
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}
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}
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bool YAPEngine::mgoal(Term t, Term tmod)
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{
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try
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{
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CACHE_REGS
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BACKUP_MACHINE_REGS();
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Term *ts = nullptr;
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PredEntry *ap = Yap_get_pred(t, tmod, "C++");
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if (ap == nullptr)
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return false;
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arity_t arity = ap->ArityOfPE;
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bool result;
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sigjmp_buf q_env;
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if (arity) {
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if (IsApplTerm(t))
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{
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ts = RepAppl(t) + 1;
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}
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else
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{
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ts = RepPair(t);
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}
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for (arity_t i = 0; i < arity; i++)
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XREGS[i + 1] = ts[i];
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} else if ( IsAtomTerm(t)) {
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ts = nullptr;
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}
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q.CurSlot = Yap_StartSlots();
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q.p = P;
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q.cp = CP;
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// allow Prolog style exceotion handling
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LOCAL_RestartEnv = &q_env;
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if (sigsetjmp(q_env, false))
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{
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throw YAPError();
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}
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// don't forget, on success these guys may create slots
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__android_log_print(ANDROID_LOG_INFO, "YAPDroid", "exec ");
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result = (bool)YAP_EnterGoal(ap, nullptr, &q);
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// fprintf(stderr,"in");Yap_DebugPlWrite(t);
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{
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YAP_LeaveGoal(false, &q);
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RECOVER_MACHINE_REGS();
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return result;
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}
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}
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catch (YAPError e)
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{
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YAP_LeaveGoal(false, &q);
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Yap_CloseHandles(q.CurSlot);
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throw e;
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}
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}
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void YAPEngine::release()
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{
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BACKUP_MACHINE_REGS();
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YAP_LeaveGoal(FALSE, &q);
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RECOVER_MACHINE_REGS();
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}
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Term YAPEngine::fun(Term t)
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{
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CACHE_REGS
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try
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{
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BACKUP_MACHINE_REGS();
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Term tmod = CurrentModule, *ts = nullptr;
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PredEntry *ap;
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arity_t arity;
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Functor f;
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sigjmp_buf q_env;
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Atom name;
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if (IsApplTerm(t))
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{
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ts = RepAppl(t) + 1;
|
|
f = (Functor)ts[-1];
|
|
name = NameOfFunctor(f);
|
|
arity = ArityOfFunctor(f);
|
|
for (arity_t i = 0; i < arity; i++)
|
|
XREGS[i + 1] = ts[i];
|
|
}
|
|
else if (IsAtomTerm(t))
|
|
{
|
|
name = AtomOfTerm(t);
|
|
f = nullptr;
|
|
arity = 0;
|
|
}
|
|
else if (IsPairTerm(t))
|
|
{
|
|
XREGS[1] = ts[0];
|
|
XREGS[2] = ts[1];
|
|
arity = 2;
|
|
name = AtomDot;
|
|
f = FunctorDot;
|
|
}
|
|
else
|
|
{
|
|
Yap_ThrowError(TYPE_ERROR_CALLABLE, t, 0);
|
|
return 0L;
|
|
}
|
|
XREGS[arity + 1] = MkVarTerm();
|
|
arity++;
|
|
f = Yap_MkFunctor(name, arity);
|
|
ap = (PredEntry *)(PredPropByFunc(f, tmod));
|
|
q.CurSlot = Yap_StartSlots();
|
|
q.p = P;
|
|
q.cp = CP;
|
|
// make sure this is safe
|
|
yhandle_t o = Yap_InitHandle(XREGS[arity]);
|
|
// allow Prolog style exceotion handling
|
|
LOCAL_RestartEnv = &q_env;
|
|
if (sigsetjmp(q_env, false))
|
|
{
|
|
throw YAPError();
|
|
}
|
|
// don't forget, on success these guys may create slots
|
|
__android_log_print(ANDROID_LOG_INFO, "YAPDroid", "exec ");
|
|
|
|
if (YAP_EnterGoal(ap, nullptr, &q) == 0)
|
|
return 0;
|
|
XREGS[arity] = Yap_GetFromSlot(o);
|
|
__android_log_print(ANDROID_LOG_INFO, "YAPDroid", "out %ld", o);
|
|
YAP_LeaveGoal(false, &q);
|
|
Yap_CloseHandles(q.CurSlot);
|
|
RECOVER_MACHINE_REGS();
|
|
return XREGS[arity];
|
|
}
|
|
catch (YAPError e)
|
|
{
|
|
YAP_LeaveGoal(false, &q);
|
|
Yap_CloseHandles(q.CurSlot);
|
|
std::cerr << "Exception received by " << __func__ << "( " << YAPTerm(t).text() << ").\n Forwarded...";
|
|
throw e;
|
|
}
|
|
}
|
|
|
|
YAPQuery::YAPQuery(YAPFunctor f, YAPTerm mod, YAPTerm ts[])
|
|
: YAPPredicate(f, mod)
|
|
{
|
|
/* ignore flags for now */
|
|
BACKUP_MACHINE_REGS();
|
|
goal = YAPApplTerm(f, ts);
|
|
names = YAPPairTerm( TermNil );
|
|
openQuery(goal.term());
|
|
RECOVER_MACHINE_REGS();
|
|
}
|
|
|
|
#if 0
|
|
YAPQuery::YAPQuery(YAPFunctor f, YAPTerm ts[]) : YAPPredicate(f) {
|
|
/* ignore flags for now */
|
|
BACKUP_MACHINE_REGS();
|
|
goal = YAPTerm( YAPApplTerm(f, ts).gt() );
|
|
names.= YAPPairTerm( TermNil );
|
|
openQuery(goal.term());
|
|
RECOVER_MACHINE_REGS();
|
|
}
|
|
#endif
|
|
|
|
YAPQuery::YAPQuery(YAPPredicate p, YAPTerm ts[]) : YAPPredicate(p.ap)
|
|
{
|
|
BACKUP_MACHINE_REGS();
|
|
goal = YAPApplTerm(YAPFunctor(p.ap->FunctorOfPred), ts);
|
|
names = YAPPairTerm( TermNil );
|
|
openQuery(goal.term());
|
|
RECOVER_MACHINE_REGS();
|
|
}
|
|
|
|
bool YAPQuery::next()
|
|
{
|
|
CACHE_REGS
|
|
bool result = false;
|
|
Term terr;
|
|
LOCAL_RestartEnv = &q_env;
|
|
try
|
|
{
|
|
BACKUP_MACHINE_REGS();
|
|
if (!q_open)
|
|
return false;
|
|
if (sigsetjmp(q_env, false))
|
|
{
|
|
throw YAPError();
|
|
}
|
|
// don't forget, on success these guys may create slots
|
|
__android_log_print(ANDROID_LOG_INFO, "YAPDroid", "exec ");
|
|
|
|
if (q_state == 0)
|
|
{
|
|
result = (bool)YAP_EnterGoal(ap, nullptr, &q_h);
|
|
}
|
|
else
|
|
{
|
|
LOCAL_AllowRestart = q_open;
|
|
result = (bool)YAP_RetryGoal(&q_h);
|
|
}
|
|
if (result)
|
|
{
|
|
__android_log_print(ANDROID_LOG_INFO, "YAPDroid", "vnames %d %s %ld",
|
|
q_state, vnames.text(), LOCAL_CurSlot);
|
|
}
|
|
else
|
|
{
|
|
__android_log_print(ANDROID_LOG_INFO, "YAPDroid", "fail");
|
|
}
|
|
q_state = 1;
|
|
if ((terr = Yap_GetException()))
|
|
{
|
|
if ((terr = Yap_GetException()))
|
|
{
|
|
throw YAPError();
|
|
}
|
|
}
|
|
__android_log_print(ANDROID_LOG_INFO, "YAPDroid", "out %d", result);
|
|
|
|
if (!result)
|
|
{
|
|
YAP_LeaveGoal(false, &q_h);
|
|
Yap_CloseHandles(q_handles);
|
|
q_open = false;
|
|
}
|
|
else
|
|
{
|
|
q_handles = Yap_StartSlots();
|
|
}
|
|
RECOVER_MACHINE_REGS();
|
|
return result;
|
|
}
|
|
catch (YAPError e)
|
|
{
|
|
q_open = false;
|
|
Yap_PopTermFromDB(LOCAL_ActiveError->errorTerm);
|
|
memset(LOCAL_ActiveError, 0, sizeof(*LOCAL_ActiveError));
|
|
YAP_LeaveGoal(false, &q_h);
|
|
Yap_CloseHandles(q_handles);
|
|
q_open = false;
|
|
std::cerr << "Exception received by " << __func__ << "( " << YAPTerm(terr).text() << ").\n Forwarded...\n\n";
|
|
throw e;
|
|
}
|
|
}
|
|
|
|
void YAPQuery::cut()
|
|
{
|
|
CACHE_REGS
|
|
|
|
BACKUP_MACHINE_REGS();
|
|
if (!q_open || q_state == 0)
|
|
return;
|
|
YAP_LeaveGoal(FALSE, &q_h);
|
|
q_open = 0;
|
|
// LOCAL_execution = this;
|
|
RECOVER_MACHINE_REGS();
|
|
}
|
|
|
|
bool YAPQuery::deterministic()
|
|
{
|
|
CACHE_REGS
|
|
|
|
BACKUP_MACHINE_REGS();
|
|
if (!q_open || q_state == 0)
|
|
return false;
|
|
choiceptr myB = (choiceptr)(LCL0 - q_h.b);
|
|
return (B >= myB);
|
|
RECOVER_MACHINE_REGS();
|
|
}
|
|
|
|
YAPTerm YAPQuery::getTerm(yhandle_t t) { return YAPTerm(t); }
|
|
|
|
void YAPQuery::close()
|
|
{
|
|
CACHE_REGS
|
|
|
|
RECOVER_MACHINE_REGS();
|
|
Yap_ResetException(worker_id);
|
|
/* need to implement backtracking here */
|
|
if (q_open != true || q_state == 0)
|
|
{
|
|
RECOVER_MACHINE_REGS();
|
|
return;
|
|
}
|
|
YAP_LeaveGoal(FALSE, &q_h);
|
|
q_open = 0;
|
|
Yap_CloseHandles(q_handles);
|
|
// LOCAL_execution = this;
|
|
RECOVER_MACHINE_REGS();
|
|
}
|
|
|
|
#if __ANDROID__
|
|
|
|
#include <jni.h>
|
|
#include <string.h>
|
|
|
|
JNIEnv *Yap_jenv;
|
|
|
|
extern JNIEXPORT jint JNICALL JNI_MySQLOnLoad(JavaVM *vm, void *reserved);
|
|
|
|
JNIEXPORT jint JNICALL JNI_MySQLOnLoad(JavaVM *vm, void *reserved)
|
|
{
|
|
JNIEnv *env;
|
|
if (vm->GetEnv(reinterpret_cast<void **>(&env), JNI_VERSION_1_6) != JNI_OK)
|
|
{
|
|
return -1;
|
|
}
|
|
Yap_jenv = env;
|
|
|
|
return JNI_VERSION_1_6;
|
|
}
|
|
|
|
char *Yap_AndroidBufp;
|
|
|
|
static size_t Yap_AndroidMax, Yap_AndroidSz;
|
|
|
|
extern void (*Yap_DisplayWithJava)(int c);
|
|
|
|
void Yap_displayWithJava(int c)
|
|
{
|
|
char *ptr = Yap_AndroidBufp;
|
|
if (!ptr)
|
|
ptr = Yap_AndroidBufp = (char *)malloc(Yap_AndroidSz);
|
|
ptr[Yap_AndroidSz++] = c;
|
|
if (Yap_AndroidMax - 1 == Yap_AndroidSz)
|
|
{
|
|
if (Yap_AndroidMax < 32 * 1024)
|
|
{
|
|
Yap_AndroidMax *= 2;
|
|
}
|
|
else
|
|
{
|
|
Yap_AndroidMax += 32 * 1024;
|
|
}
|
|
Yap_AndroidBufp = (char *)realloc(ptr, Yap_AndroidMax);
|
|
}
|
|
Yap_AndroidBufp[Yap_AndroidSz] = '\0';
|
|
if (c == '\n')
|
|
{
|
|
Yap_AndroidBufp[Yap_AndroidSz] = '\0';
|
|
curren->run(Yap_AndroidBufp);
|
|
Yap_AndroidSz = 0;
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
void YAPEngine::doInit(YAP_file_type_t BootMode)
|
|
{
|
|
if ((BootMode = YAP_Init(&engine_args->init_args)) == YAP_FOUND_BOOT_ERROR)
|
|
{
|
|
throw YAPError();
|
|
}
|
|
/* Begin preprocessor code */
|
|
/* live */
|
|
__android_log_print(ANDROID_LOG_INFO, "YAPDroid", "$init_system");
|
|
#if __ANDROID__
|
|
Yap_AndroidBufp = (char *)malloc(Yap_AndroidMax = 4096);
|
|
Yap_AndroidBufp[0] = '\0';
|
|
Yap_AndroidSz = 0;
|
|
#endif
|
|
//yerror = YAPError();
|
|
#if YAP_PYTHON
|
|
|
|
do_init_python();
|
|
#endif
|
|
YAP_Functor f = YAP_MkFunctor(YAP_LookupAtom("$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
|
|
|
|
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";
|
|
}
|
|
}
|
|
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;
|
|
#endif /* DEPTH_LIMIT */
|
|
YENV = ENV = B->cp_env;
|
|
|
|
RECOVER_MACHINE_REGS();
|
|
}
|
|
|
|
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;
|
|
}
|