/*************************************************************************
*									 *
*	 YAP Prolog 	%W% %G% 					 *
*	Yap Prolog was developed at NCCUP - Universidade do Porto	 *
*									 *
* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997	 *
*									 *
**************************************************************************
*									 *
* File:		Yap.proto						 *
* mods:									 *
* comments:	Function declarations for YAP				 *
* version:      $Id: Yapproto.h,v 1.90 2008-08-07 20:51:23 vsc Exp $	 *
*************************************************************************/

#if defined(_WIN32)
#define X_API __declspec(dllexport)
#endif

/* prototype file for Yap */

/* absmi.c */
Int Yap_absmi(int);
int Yap_absmiEND(void);

/* adtdefs.c */
Term Yap_ArrayToList(Term *, size_t);
int Yap_GetName(char *, UInt, Term);
Term Yap_GetValue(Atom);
int Yap_HasOp(Atom);
struct operator_entry *
Yap_GetOpPropForAModuleHavingALock(struct AtomEntryStruct *, Term);
Atom Yap_LookupAtom(const char *);
Atom Yap_ULookupAtom(const unsigned char *);
Atom Yap_LookupAtomWithLength(const char *, size_t);
Atom Yap_LookupUTF8Atom(const unsigned char *);
Atom Yap_LookupMaybeWideAtom(const wchar_t *);
Atom Yap_LookupMaybeWideAtomWithLength(const wchar_t *, size_t);
Atom Yap_FullLookupAtom(const char *);
void Yap_LookupAtomWithAddress(const char *, struct AtomEntryStruct *);
Prop Yap_NewPredPropByFunctor(struct FunctorEntryStruct *, Term);
Prop Yap_NewPredPropByAtom(struct AtomEntryStruct *, Term);
Prop Yap_PredPropByFunctorNonThreadLocal(struct FunctorEntryStruct *, Term);
Prop Yap_PredPropByAtomNonThreadLocal(struct AtomEntryStruct *, Term);
Functor Yap_UnlockedMkFunctor(struct AtomEntryStruct *, unsigned int);
Functor Yap_MkFunctor(Atom, unsigned int);
void Yap_MkFunctorWithAddress(Atom, unsigned int, FunctorEntry *);
void Yap_PutValue(Atom, Term);
void Yap_ReleaseAtom(Atom);
int Yap_AtomIncreaseHold(Atom);
int Yap_AtomDecreaseHold(Atom);
struct operator_entry *Yap_OpPropForModule(Atom, Term);

#ifdef SFUNC
Term MkSFTerm(Functor, int, Term *, Term);
CELL *ArgsOfSFTerm(Term);
#endif

Prop Yap_GetPredPropByAtom(Atom, Term);
Prop Yap_GetPredPropByFunc(Functor, Term);
Prop Yap_GetPredPropByAtomInThisModule(Atom, Term);
Prop Yap_GetPredPropByFuncInThisModule(Functor, Term);
Prop Yap_GetPredPropHavingLock(Atom, unsigned int, Term);
Prop Yap_GetExpProp(Atom, unsigned int);
Prop Yap_GetExpPropHavingLock(struct AtomEntryStruct *, unsigned int);

/* agc.c */
void Yap_atom_gc(CACHE_TYPE1);
void Yap_init_agc(void);

/* alloc.c */
void Yap_FreeCodeSpace(void *);
void *Yap_AllocAtomSpace(size_t);
void *Yap_AllocCodeSpace(size_t);
void *Yap_ReallocCodeSpace(void *, size_t);
ADDR Yap_AllocFromForeignArea(Int);
int Yap_ExtendWorkSpace(Int);
void Yap_FreeAtomSpace(void *);
int Yap_FreeWorkSpace(void);
void Yap_InitMemory(UInt, UInt, UInt);
void Yap_InitExStacks(int, int, int);

/* amasm.c */
OPCODE Yap_opcode(op_numbers);

/* analyst.c */
#ifdef ANALYST
void Yap_InitAnalystPreds(void);
#endif /* ANALYST */

/* arrays.c */
void Yap_InitArrayPreds(void);

/* atoms.c */
void Yap_InitBackAtoms(void);
void Yap_InitAtomPreds(void);

/* attvar.c */
void Yap_InitAttVarPreds(void);
void Yap_MkEmptyWakeUp(Atom mod);

/* bb.c */
void Yap_InitBBPreds(void);

/* bignum.c */
Term Yap_MkULLIntTerm(YAP_ULONG_LONG);
int Yap_IsStringTerm(Term);
int Yap_IsWideStringTerm(Term);
Term Yap_RatTermToApplTerm(Term);
void Yap_InitBigNums(void);
Term Yap_AllocExternalDataInStack(CELL, size_t);
int Yap_CleanOpaqueVariable(CELL *);
CELL *Yap_HeapStoreOpaqueTerm(Term t);
size_t Yap_OpaqueTermToString(Term t, char *str, size_t max);

/* c_interface.c */
#ifndef YAP_CPP_INTERFACE
X_API Int YAP_Execute(struct pred_entry *, CPredicate);
X_API Int YAP_ExecuteFirst(struct pred_entry *, CPredicate);
X_API Int YAP_ExecuteNext(struct pred_entry *, CPredicate);
X_API Int YAP_ExecuteOnCut(struct pred_entry *, CPredicate, struct cut_c_str *);
X_API Int YAP_RunGoalOnce(Term);
#endif

/* cdmgr.c */
Term Yap_all_calls(void);
Atom Yap_ConsultingFile(USES_REGS1);
struct pred_entry *Yap_PredForChoicePt(choiceptr bptr, op_numbers *op);
void Yap_InitCdMgr(void);
struct pred_entry *Yap_PredFromClause(Term t USES_REGS);
bool Yap_discontiguous(struct pred_entry *ap, Term mode USES_REGS);
bool Yap_multiple(struct pred_entry *ap, Term mode USES_REGS);
void Yap_init_consult(int, const char *);
void Yap_end_consult(void);
void Yap_Abolish(struct pred_entry *);
void Yap_BuildMegaClause(struct pred_entry *);
void Yap_EraseMegaClause(yamop *, struct pred_entry *);
void Yap_ResetConsultStack(void);
void Yap_AssertzClause(struct pred_entry *, yamop *);
void Yap_HidePred(struct pred_entry *pe);
int Yap_SetNoTrace(char *name, UInt arity, Term tmod);
bool Yap_unknown(Term tflagvalue);
struct pred_entry *Yap_MkLogPred(struct pred_entry *pe);

/* cmppreds.c */
Int Yap_compare_terms(Term, Term);
Int Yap_acmp(Term, Term USES_REGS);
void Yap_InitCmpPreds(void);

/* compiler.c */
yamop *Yap_cclause(Term, Int, Term, Term);

/* computils.c */
int Yap_DebugPutc(FILE *, wchar_t);
int Yap_DebugPuts(FILE *, const char *);
void Yap_DebugSetIFile(char *);
void Yap_DebugEndline(void);
void Yap_DebugPlWrite(Term t);
void Yap_DebugPlWriteln(Term t);

/* corout.c */
void Yap_InitCoroutPreds(void);
#ifdef COROUTINING
Term Yap_ListOfWokenGoals(void);
void Yap_WakeUp(CELL *);
#endif

/* dbase.c */
struct pred_entry *Yap_FindLUIntKey(Int);
int Yap_DBTrailOverflow(void);
CELL Yap_EvalMasks(Term, CELL *);
void Yap_InitBackDB(void);
void Yap_InitDBPreds(void);

/* errors.c */
#if DEBUG
void Yap_PrintPredName(struct pred_entry *ap);
#endif
void Yap_RestartYap(int);
void Yap_exit(int);
bool Yap_Warning(const char *s, ...);
bool Yap_PrintWarning(Term t);
bool Yap_HandleError__(const char *file, const char *function, int lineno, const char *s, ...);
#define Yap_HandleError(...) Yap_HandleError__(__FILE__, __FUNCTION__, __LINE__, __VA_ARGS__) 
int Yap_SWIHandleError(const char *, ...);
void Yap_InitErrorPreds(void);

/* eval.c */
void Yap_InitEval(void);

/* exec.c */
void Yap_fail_all(choiceptr bb USES_REGS);
Term Yap_ExecuteCallMetaCall(Term);
void Yap_InitExecFs(void);
Int Yap_JumpToEnv(Term);
Term Yap_RunTopGoal(Term);
void Yap_ResetExceptionTerm(int);
Int Yap_execute_goal(Term, int, Term, bool);
Int Yap_exec_absmi(bool, yap_reset_t);
void Yap_trust_last(void);
Term Yap_GetException(void);
void Yap_PrepGoal(UInt, CELL *, choiceptr USES_REGS);
int Yap_execute_pred(struct pred_entry *ppe, CELL *pt,
                     bool pass_exception USES_REGS);
int Yap_dogc(int extra_args, Term *tp USES_REGS);
Term Yap_PredicateIndicator(Term t, Term mod);
bool Yap_Execute(Term t USES_REGS);

/* exo.c */
void Yap_InitExoPreds(void);
void Yap_udi_Interval_init(void);
bool Yap_Reset(yap_reset_t mode);

/* foreign.c */
char *Yap_FindExecutable(void);

/* gprof.c */
void Yap_InitLowProf(void);
#if LOW_PROF
void Yap_inform_profiler_of_clause__(void *, void *, struct pred_entry *,
                                     gprof_info);
#define Yap_inform_profiler_of_clause(CODE0, CODEF, AP, MODE)                  \
  {                                                                            \
    if (GLOBAL_FPreds)                                                         \
      Yap_inform_profiler_of_clause__(CODE0, CODEF, AP, MODE);                 \
  }
#else
#define Yap_inform_profiler_of_clause(CODE0, CODEF, AP, MODE)
#endif
void Yap_tell_gprof(yamop *);

/* globals.c */
Term Yap_NewArena(UInt, CELL *);
CELL *Yap_GetFromArena(Term *, UInt, UInt);
void Yap_InitGlobals(void);
Term Yap_SaveTerm(Term);
Term Yap_SetGlobalVal(Atom, Term);
Term Yap_GetGlobal(Atom);
Int Yap_DeleteGlobal(Atom);
void Yap_AllocateDefaultArena(Int, Int, int);

/* grow.c */
Int Yap_total_stack_shift_time(void);
void Yap_InitGrowPreds(void);
UInt Yap_InsertInGlobal(CELL *, UInt);
int Yap_growheap(bool, size_t, void *);
int Yap_growstack(size_t);
int Yap_growtrail(size_t, bool);
int Yap_growglobal(CELL **);
int Yap_locked_growheap(bool, size_t, void *);
int Yap_locked_growstack(size_t);
int Yap_locked_growtrail(size_t, bool);
int Yap_locked_growglobal(CELL **);
CELL **Yap_shift_visit(CELL **, CELL ***, CELL ***);
#ifdef THREADS
void Yap_CopyThreadStacks(int, int, int);
#endif

/* heapgc.c */
Int Yap_total_gc_time(void);
void Yap_init_gc(void);
bool Yap_is_gc_verbose(void);
int Yap_gc(Int, CELL *, yamop *);
int Yap_locked_gc(Int, CELL *, yamop *);
int Yap_gcl(UInt, Int, CELL *, yamop *);
int Yap_locked_gcl(UInt, Int, CELL *, yamop *);

/* init.c */
int Yap_IsOpType(char *);
void Yap_InitWorkspace(UInt, UInt, UInt, UInt, UInt, int, int, int);
bool Yap_AddCallToFli(struct pred_entry *pe, CPredicate call);
bool Yap_AddRetryToFli(struct pred_entry *pe, CPredicate re);
bool Yap_AddCutToFli(struct pred_entry *pe, CPredicate cut);

#ifdef YAPOR
void Yap_init_yapor_workers(void);
#endif /* YAPOR */
#if defined(YAPOR) || defined(THREADS)
void Yap_KillStacks(int);
#else
void Yap_KillStacks(int);
#endif
void Yap_InitYaamRegs(int);
void Yap_ReInitWTime(void);
int Yap_OpDec(int, char *, Atom, Term);
void Yap_CloseScratchPad(void);

/* inlines.c */
void Yap_InitInlines(void);
int Yap_eq(Term, Term);

/* iopreds.c */
void Yap_InitPlIO(void);
void Yap_InitBackIO(void);
void Yap_InitIOPreds(void);
extern void Yap_DebugPlWrite(Term t);
extern void Yap_DebugPlWriteln(Term t);
extern void Yap_DebugErrorPutc(int n);
extern void Yap_DebugErrorPuts(const char *s);
extern void Yap_DebugWriteIndicator(struct pred_entry *ap);
void Yap_PlWriteToStream(Term, int, int);
/* depth_lim.c */
bool   Yap_InitReadline(Term t);
void Yap_InitItDeepenPreds(void);
struct AliasDescS *Yap_InitStandardAliases(void);

/* load_foreign.c */
void Yap_InitLoadForeign(void);

/* mavar.c */
void Yap_InitMaVarCPreds(void);
Term Yap_NewTimedVar(Term);
Term Yap_NewEmptyTimedVar(void);
Term Yap_ReadTimedVar(Term);
Term Yap_UpdateTimedVar(Term, Term);

/* modules.c */
Term Yap_Module(Term);
Term Yap_Module_Name(struct pred_entry *);
struct pred_entry *Yap_ModulePred(Term);
void Yap_NewModulePred(Term, struct pred_entry *);
Term Yap_StripModule(Term, Term *);
Term Yap_YapStripModule(Term, Term *);
void Yap_InitModules(void);
void Yap_InitModulesC(void);
struct mod_entry *Yap_GetModuleEntry(Term tmod);
Term Yap_GetModuleFromEntry(struct mod_entry *me);
bool Yap_CharacterEscapes(Term mt);
bool Yap_constPred(struct pred_entry *pt);
bool Yap_isSystemModule(Term mod);

#if HAVE_MPI
/* mpi.c */
void Yap_InitMPI(void);
#endif

#if HAVE_MPE
/* mpe.c */
void Yap_InitMPE(void);
#endif

/* other.c */
Term Yap_MkApplTerm(Functor, arity_t, const Term *);
Term Yap_MkNewApplTerm(Functor, arity_t);
Term Yap_MkNewPairTerm(void);
Term Yap_Globalise(Term);

/* readutil.c */
void Yap_InitReadUtil(void);

/* qly.c */
void Yap_InitQLY(void);
int Yap_Restore(const char *, char *);
void Yap_InitQLYR(void);

/* range.c */
void Yap_InitRange(void);

/* save.c */
int Yap_SavedInfo(const char *, char *, CELL *, CELL *, CELL *);
int Yap_SavedStateRestore(char *, char *);
FILE *Yap_OpenRestore(const char *, char *);
void Yap_InitSavePreds(void);

/* scanner.c */

/* signals.c */
void Yap_InitSignalCPreds(void);
void *Yap_InitSignals(int wid);

void Yap_InitSockets(void);

/* sort.c */
void Yap_InitSortPreds(void);

/* stack.c */
void Yap_InitStInfo(void);
void Yap_dump_stack(void);
void Yap_detect_bug_location(yamop *yap_pc, int where_from, int psize);

#if !defined(YAPOR) && !defined(THREADS)
bool Yap_search_for_static_predicate_in_use(struct pred_entry *, bool);
#endif

/* stdpreds.c */
void Yap_InitBackCPreds(void);
void Yap_InitCPreds(void);
void Yap_show_statistics(void);
int Yap_IsOpMaxPrio(Atom);

/* sysbits.c */
void Yap_InitPageSize(void);
bool Yap_set_fpu_exceptions(Term);
UInt Yap_cputime(void);
uint64_t Yap_walltime(void);
int Yap_dir_separator(int);
int Yap_volume_header(char *);
int Yap_signal_index(const char *);
#ifdef MAC
void Yap_SetTextFile(char *);
#endif
#if __ANDROID__
extern AAssetManager *Yap_assetManager;

extern void *Yap_openAssetFile(const char *path);
extern bool Yap_isAsset(const char *path);
#endif
const char *Yap_getcwd(const char *, size_t);
void Yap_cputime_interval(Int *, Int *);
void Yap_systime_interval(Int *, Int *);
void Yap_InitSysbits(int wid);
void Yap_InitSysPreds(void);
void Yap_InitcTime(int);
void Yap_InitTime(int);
const char *Yap_locateFile(const char *, char *, bool);
double Yap_random(void);
#ifdef _WIN32
char *Yap_RegistryGetString(char *);
void Yap_WinError(char *);
#endif
const char *Yap_TextTermToText(Term t, char *buf, size_t len);
Term Yap_MkTextTerm(const char *s, Term tguide );

typedef enum { YAP_STD, YAP_SAVED_STATE, YAP_OBJ, YAP_PL, YAP_QLY } file_type_t;

const char *Yap_AbsoluteFile(const char *spec, bool ok);
const char *Yap_AbsoluteFileInBuffer(const char *spec, char *outp, size_t sz, bool ok);
const char *Yap_findFile(const char *isource, const char *idef, const char *root,
                      char *result, bool access, file_type_t ftype,
                      bool expand_root, bool in_lib);
/* threads.c */
void Yap_InitThreadPreds(void);
void Yap_InitFirstWorkerThreadHandle(void);
int Yap_ThreadID(void);
int Yap_NOfThreads(void);
#if THREADS
int Yap_InitThread(int);
#endif
intptr_t system_thread_id(void);
/* tracer.c */
#ifdef LOW_LEVEL_TRACER
void Yap_InitLowLevelTrace(void);
#endif

/* udi.c */
void Yap_udi_init(void);
void Yap_udi_abolish(struct pred_entry *);

/* unify.c */
int Yap_rational_tree_loop(CELL *, CELL *, CELL **, CELL **);
void Yap_InitAbsmi(void);
void Yap_InitUnify(void);
void Yap_TrimTrail(void);
int Yap_Unifiable(Term d0, Term d1);
int Yap_IUnify(register CELL d0, register CELL d1);

/* userpreds.c */
void Yap_InitUserCPreds(void);
void Yap_InitUserBacks(void);

/* utilpreds.c */
Term Yap_CopyTerm(Term);
int Yap_Variant(Term, Term);
size_t Yap_ExportTerm(Term, char *, size_t, UInt);
size_t Yap_SizeOfExportedTerm(char *);
Term Yap_ImportTerm(char *);
int Yap_IsListTerm(Term);
bool Yap_IsListOrPartialListTerm(Term);
Term Yap_CopyTermNoShare(Term);
int Yap_SizeGroundTerm(Term, int);
int Yap_IsGroundTerm(Term);
int Yap_IsAcyclicTerm(Term);
void Yap_InitUtilCPreds(void);
Int Yap_TermHash(Term, Int, Int, int);
Int Yap_NumberVars(Term, Int, int);
Term Yap_TermVariables(Term t, UInt arity USES_REGS);
Term Yap_UnNumberTerm(Term, int);
Int Yap_SkipList(Term *, Term **);
/* yap.c */

/* write.c */

/* yap2swi.c */
void Yap_swi_install(void);
void Yap_InitSWIHash(void);
int Yap_get_stream_handle(Term, int, int, void *);
Term Yap_get_stream_position(void *);
struct AtomEntryStruct *Yap_lookupBlob(void *blob, size_t len, void *type,
                                       int *newp);

/* opt.preds.c */
void Yap_init_optyap_preds(void);

/* pl-file.c */
//  struct PL_local_data *Yap_InitThreadIO(int wid);
void Yap_flush(void);

/* pl-yap.c */
Int Yap_source_line_no(void);
Atom Yap_source_file_name(void);

void Yap_install_blobs(void);

yamop *Yap_gcP(void);

#if !HAVE_STRNCAT
#define strncat(X, Y, Z) strcat(X, Y)
#endif
#if !HAVE_STRNCPY
#define strncpy(X, Y, Z) strcpy(X, Y)
#endif