232 lines
6.4 KiB
C
232 lines
6.4 KiB
C
#ifndef PL_YAP_H
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#define PL_YAP_H
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#ifdef __YAP_PROLOG__
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/* depends on tag schema, but 4 should always do */
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#define LMASK_BITS 4 /* total # mask bits */
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#if HAVE_CTYPE_H
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#include <ctype.h>
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#endif
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#if HAVE_SYS_STAT_H
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#include <sys/stat.h>
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#endif
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#define SIZE_VOIDP SIZEOF_INT_P
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#if SIZEOF_LONG_INT==4
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#define INT64_FORMAT "%lld"
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#else
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#define INT64_FORMAT "%ld"
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#endif
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#define INTBITSIZE (sizeof(int)*8)
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typedef module_t Module;
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typedef YAP_Term *Word; /* Anonymous 4 byte object */
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typedef YAP_Term (*Func)(term_t); /* foreign functions */
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extern const char *Yap_GetCurrentPredName(void);
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extern YAP_Int Yap_GetCurrentPredArity(void);
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extern int Yap_read_term(term_t t, IOSTREAM *st, term_t *exc, term_t vs);
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extern term_t Yap_fetch_module_for_format(term_t args, YAP_Term *modp);
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extern IOENC Yap_DefaultEncoding(void);
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extern void Yap_SetDefaultEncoding(IOENC);
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extern void *Yap_GetStreamHandle(Atom at);
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extern atom_t codeToAtom(int chrcode);
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#define valTermRef(t) ((Word)YAP_AddressFromSlot(t))
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#include "pl-codelist.h"
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//move this to SWI
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#define GP_CREATE 2 /* create (in this module) */
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#ifndef HAVE_MBSCOLL
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COMMON(int) mbscoll(const char *s1, const char *s2);
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#endif
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#ifndef HAVE_MBSCASECOLL
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COMMON(int) mbscasecoll(const char *s1, const char *s2);
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#endif
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COMMON(atom_t) TemporaryFile(const char *id, int *fdp);
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COMMON(char *) Getenv(const char *, char *buf, size_t buflen);
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/*** memory allocation stuff: SWI wraps around malloc */
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#define stopItimer()
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COMMON(word) pl_print(term_t term);
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COMMON(word) pl_write(term_t term);
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COMMON(word) pl_write_canonical(term_t term);
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COMMON(word) pl_write_term(term_t term, term_t options);
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COMMON(word) pl_writeq(term_t term);
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static inline int
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get_procedure(term_t descr, predicate_t *proc, term_t he, int f) {
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YAP_Term t = YAP_GetFromSlot(descr);
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if (YAP_IsVarTerm(t)) return 0;
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if (YAP_IsAtomTerm(t))
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*proc = YAP_Predicate(YAP_AtomOfTerm(t),0,YAP_CurrentModule());
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else if (YAP_IsApplTerm(t)) {
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YAP_Functor f = YAP_FunctorOfTerm(t);
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*proc = YAP_Predicate(YAP_NameOfFunctor(f),YAP_ArityOfFunctor(f),YAP_CurrentModule());
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}
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return 1;
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}
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COMMON(intptr_t) lengthList(term_t list, int errors);
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COMMON(int) promoteToFloatNumber(Number n);
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COMMON(char *) PrologPath(const char *ospath, char *plpath, size_t len);
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COMMON(char *) ExpandOneFile(const char *spec, char *file);
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COMMON(char *) AbsoluteFile(const char *spec, char *path);
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COMMON(char *) BaseName(const char *f);
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COMMON(bool) ChDir(const char *path);
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COMMON(char *) OsPath(const char *plpath, char *ospath);
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COMMON(bool) ChDir(const char *path);
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COMMON(int) DeleteTemporaryFile(atom_t name);
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COMMON(int) IsAbsolutePath(const char *spec);
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/* TBD */
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extern word globalString(size_t size, char *s);
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extern word globalWString(size_t size, wchar_t *s);
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#define allocHeap(n) allocHeap__LD(n PASS_LD)
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#define freeHeap(p, n) freeHeap__LD(p, n PASS_LD)
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#define valHandle(r) valHandle__LD(r PASS_LD)
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YAP_Int YAP_PLArityOfSWIFunctor(functor_t f);
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YAP_Atom YAP_AtomFromSWIAtom(atom_t at);
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atom_t YAP_SWIAtomFromAtom(YAP_Atom at);
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PL_blob_t* YAP_find_blob_type(YAP_Atom at);
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void PL_license(const char *license, const char *module);
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#define arityFunctor(f) YAP_PLArityOfSWIFunctor(f)
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#define stringAtom(w) YAP_AtomName(YAP_AtomFromSWIAtom(w))
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#define isInteger(A) (YAP_IsIntTerm((A)) || YAP_IsBigNumTerm((A)))
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#define isString(A) Yap_IsStringTerm(A)
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#define isAtom(A) YAP_IsAtomTerm((A))
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#define isList(A) YAP_IsPairTerm((A))
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#define isNil(A) ((A) == YAP_TermNil())
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#define isReal(A) YAP_IsFloatTerm((A))
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#define isFloat(A) YAP_IsFloatTerm((A))
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#define isVar(A) YAP_IsVarTerm((A))
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#define valReal(w) YAP_FloatOfTerm((w))
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#define valFloat(w) YAP_FloatOfTerm((w))
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#ifdef AtomLength /* there is another AtomLength in the system */
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#undef AtomLength
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#endif
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#define AtomLength(w) YAP_AtomNameLength(w)
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#define atomValue(atom) YAP_AtomFromSWIAtom(atom)
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#define atomFromTerm(term) YAP_SWIAtomFromAtom(YAP_AtomOfTerm(term))
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#define atomName(atom) ((char *)YAP_AtomName(atom))
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#define nameOfAtom(atom) ((char *)YAP_AtomName(atom))
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inline static size_t
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atomLength(Atom atom)
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{
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if (YAP_IsWideAtom(atom))
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return wcslen(atom->WStrOfAE)*sizeof(wchar_t);
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return(strlen(atom->StrOfAE));
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}
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#define atomBlobType(at) YAP_find_blob_type(at)
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#define argTermP(w,i) ((Word)((YAP_ArgsOfTerm(w)+(i))))
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#define deRef(t) while (IsVarTerm(*(t)) && !IsUnboundVar(t)) { t = (CELL *)(*(t)); }
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#define canBind(t) FALSE // VSC: to implement
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#define MODULE_user YAP_ModuleUser()
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#define _PL_predicate(A,B,C,D) PL_predicate(A,B,C)
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#define predicateHasClauses(A) (YAP_NumberOfClausesForPredicate((YAP_PredEntryPtr)A) != 0)
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#define lookupModule(A) Yap_Module(MkAtomTerm(YAP_AtomFromSWIAtom(A)))
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#define charEscapeWriteOption(A) FALSE // VSC: to implement
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#define wordToTermRef(A) YAP_InitSlot(*(A))
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#define isTaggedInt(A) IsIntegerTerm(A)
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#define valInt(A) IntegerOfTerm(A)
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#define MODULE_parse ((Module)CurrentModule)
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extern term_t Yap_CvtTerm(term_t ts);
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#define clearNumber(n)
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wchar_t *nameOfWideAtom(atom_t atom);
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int isWideAtom(atom_t atom);
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inline static int
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charCode(Term w)
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{ if ( IsAtomTerm(w) )
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{
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YAP_Atom a = atomValue(w);
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if ( YAP_AtomNameLength(a) == 1) {
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if (YAP_IsWideAtom(a)) {
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return YAP_WideAtomName(a)[0];
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}
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return YAP_AtomName(a)[0];
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}
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}
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return -1;
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}
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#define getInputStream(t, s) getInputStream__LD(t, s PASS_LD)
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#define PL_get_atom(t, a) PL_get_atom__LD(t, a PASS_LD)
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#define PL_get_atom_ex(t, a) PL_get_atom_ex__LD(t, a PASS_LD)
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#define PL_get_text(l, t, f) PL_get_text__LD(l, t, f PASS_LD)
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#define PL_is_variable(t) PL_is_variable__LD(t PASS_LD)
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#define PL_new_term_ref() PL_new_term_ref__LD(PASS_LD1)
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#define PL_put_term(t1, t2) PL_put_term__LD(t1, t2 PASS_LD)
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#define PL_unify_atom(t, a) PL_unify_atom__LD(t, a PASS_LD)
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#define PL_unify_integer(t, i) PL_unify_integer__LD(t, i PASS_LD)
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#endif /* __YAP_PROLOG__ */
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#if IN_PL_OS_C
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static int
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stripostfix(const char *s, const char *e)
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{ size_t ls = strlen(s);
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size_t le = strlen(e);
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if ( ls >= le )
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return strcasecmp(&s[ls-le], e) == 0;
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return FALSE;
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}
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#endif
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#if HAVE_SIGPROCMASK
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#if HAVE_SIGNAL_H
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#include <signal.h>
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#endif
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static inline void
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unblockSignal(int sig)
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{ sigset_t set;
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sigemptyset(&set);
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sigaddset(&set, sig);
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sigprocmask(SIG_UNBLOCK, &set, NULL);
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// DEBUG(1, Sdprintf("Unblocked signal %d\n", sig));
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}
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#else
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static inline void
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unblockSignal(int sig)
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{
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}
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#endif
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#endif /* PL_YAP_H */
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