eea9f2a58e
include holes when calculating memory usage. git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1640 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
570 lines
11 KiB
C
570 lines
11 KiB
C
/*************************************************************************
|
|
* *
|
|
* 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: TermExt.h *
|
|
* mods: *
|
|
* comments: Extensions to standard terms for YAP *
|
|
* version: $Id: TermExt.h,v 1.9 2006-05-19 14:31:32 vsc Exp $ *
|
|
*************************************************************************/
|
|
|
|
#ifdef USE_SYSTEM_MALLOC
|
|
#define SF_STORE (&(Yap_heap_regs->funcs))
|
|
#else
|
|
#define SF_STORE ((special_functors *)HEAP_INIT_BASE)
|
|
#endif
|
|
|
|
#if USE_OFFSETS
|
|
#define AtomFoundVar ((Atom)(&(((special_functors *)(NULL))->AtFoundVar)))
|
|
#define AtomFreeTerm ((Atom)(&(((special_functors *)(NULL))->AtFreeTerm)))
|
|
#define AtomNil ((Atom)(&(((special_functors *)(NULL))->AtNil)))
|
|
#define AtomDot ((Atom)(&(((special_functors *)(NULL))->AtDot)))
|
|
#elif THREADS
|
|
#define AtomFoundVar AbsAtom(SF_STORE->AtFoundVar)
|
|
#define AtomFreeTerm AbsAtom(SF_STORE->AtFreeTerm)
|
|
#define AtomNil AbsAtom(SF_STORE->AtNil)
|
|
#define AtomDot AbsAtom(SF_STORE->AtDot)
|
|
#else
|
|
#define AtomFoundVar AbsAtom(&(SF_STORE->AtFoundVar))
|
|
#define AtomFreeTerm AbsAtom(&(SF_STORE->AtFreeTerm))
|
|
#define AtomNil AbsAtom(&(SF_STORE->AtNil))
|
|
#define AtomDot AbsAtom(&(SF_STORE->AtDot))
|
|
#endif
|
|
|
|
#define TermFoundVar MkAtomTerm(AtomFoundVar)
|
|
#define TermFreeTerm MkAtomTerm(AtomFreeTerm)
|
|
#define TermNil MkAtomTerm(AtomNil)
|
|
#define TermDot MkAtomTerm(AtomDot)
|
|
|
|
typedef enum
|
|
{
|
|
#if defined(IN_SECOND_QUADRANT) && !GC_NO_TAGS
|
|
db_ref_e = sizeof (Functor *) | RBIT,
|
|
long_int_e = 2 * sizeof (Functor *) | RBIT,
|
|
#ifdef USE_GMP
|
|
big_int_e = 3 * sizeof (Functor *) | RBIT,
|
|
double_e = 4 * sizeof (Functor *) | RBIT
|
|
#else
|
|
double_e = 3 * sizeof (Functor *) | RBIT
|
|
#endif
|
|
#else
|
|
db_ref_e = sizeof (Functor *),
|
|
long_int_e = 2 * sizeof (Functor *),
|
|
#ifdef USE_GMP
|
|
big_int_e = 3 * sizeof (Functor *),
|
|
double_e = 4 * sizeof (Functor *)
|
|
#else
|
|
double_e = 3 * sizeof (Functor *)
|
|
#endif
|
|
#endif
|
|
}
|
|
blob_type;
|
|
|
|
#define FunctorDBRef ((Functor)(db_ref_e))
|
|
#define FunctorLongInt ((Functor)(long_int_e))
|
|
#ifdef USE_GMP
|
|
#define FunctorBigInt ((Functor)(big_int_e))
|
|
#endif
|
|
#define FunctorDouble ((Functor)(double_e))
|
|
#define EndSpecials (double_e)
|
|
|
|
|
|
inline EXTERN blob_type BlobOfFunctor (Functor f);
|
|
|
|
inline EXTERN blob_type
|
|
BlobOfFunctor (Functor f)
|
|
{
|
|
return (blob_type) ((CELL) f);
|
|
}
|
|
|
|
|
|
|
|
#ifdef COROUTINING
|
|
|
|
typedef struct
|
|
{
|
|
/* what to do when someone tries to bind our term to someone else
|
|
in some predefined context */
|
|
void (*bind_op) (Term *, Term);
|
|
/* what to do if someone wants to copy our constraint */
|
|
int (*copy_term_op) (CELL *, CELL ***, CELL *);
|
|
/* copy the constraint into a term and back */
|
|
Term (*to_term_op) (CELL *);
|
|
int (*term_to_op) (Term, Term);
|
|
/* op called to do marking in GC */
|
|
void (*mark_op) (CELL *);
|
|
} ext_op;
|
|
|
|
/* known delays */
|
|
typedef enum
|
|
{
|
|
empty_ext = 0 * sizeof (ext_op), /* default op, this should never be called */
|
|
attvars_ext = 1 * sizeof (ext_op) /* support for attributed variables */
|
|
/* add your own extensions here */
|
|
/* keep this one */
|
|
}
|
|
exts;
|
|
|
|
|
|
/* array with the ops for your favourite extensions */
|
|
extern ext_op attas[attvars_ext + 1];
|
|
|
|
#endif
|
|
|
|
/* make sure that these data structures are the first thing to be allocated
|
|
in the heap when we start the system */
|
|
#if THREADS
|
|
typedef struct special_functors_struct
|
|
{
|
|
AtomEntry *AtFoundVar;
|
|
AtomEntry *AtFreeTerm;
|
|
AtomEntry *AtNil;
|
|
AtomEntry *AtDot;
|
|
} special_functors;
|
|
#else
|
|
typedef struct special_functors_struct
|
|
{
|
|
AtomEntry AtFoundVar;
|
|
char AtFoundVarChars[8];
|
|
AtomEntry AtFreeTerm;
|
|
char AtFreeTermChars[8];
|
|
AtomEntry AtNil;
|
|
char AtNilChars[8];
|
|
AtomEntry AtDot;
|
|
char AtDotChars[8];
|
|
}
|
|
special_functors;
|
|
#endif
|
|
|
|
#if USE_SYSTEM_MALLOC
|
|
#define MAX_SPECIALS_TAG (4*4096)
|
|
#else
|
|
#define MAX_SPECIALS_TAG ((CELL)AtomBase)
|
|
#endif
|
|
|
|
#if SIZEOF_DOUBLE == SIZEOF_LONG_INT
|
|
#if GC_NO_TAGS
|
|
|
|
inline EXTERN Term MkFloatTerm (Float);
|
|
|
|
inline EXTERN Term
|
|
MkFloatTerm (Float dbl)
|
|
{
|
|
return (Term) ((H[0] = (CELL) FunctorDouble, *(Float *) (H + 1) =
|
|
dbl, H[2] = (2 * sizeof (CELL) + EndSpecials), H +=
|
|
3, AbsAppl (H - 3)));
|
|
}
|
|
|
|
|
|
#else
|
|
|
|
inline EXTERN Term MkFloatTerm (Float);
|
|
|
|
inline EXTERN Term
|
|
MkFloatTerm (Float dbl)
|
|
{
|
|
return (Term) ((H[0] = (CELL) FunctorDouble, *(Float *) (H + 1) =
|
|
dbl, H[2] = ((2 * sizeof (CELL) + EndSpecials) | MBIT), H +=
|
|
3, AbsAppl (H - 3)));
|
|
}
|
|
|
|
|
|
#endif
|
|
|
|
|
|
inline EXTERN Float FloatOfTerm (Term t);
|
|
|
|
inline EXTERN Float
|
|
FloatOfTerm (Term t)
|
|
{
|
|
return (Float) (*(Float *) (RepAppl (t) + 1));
|
|
}
|
|
|
|
|
|
|
|
#define InitUnalignedFloat()
|
|
|
|
#else
|
|
|
|
#if SIZEOF_DOUBLE == 2*SIZEOF_LONG_INT
|
|
|
|
inline EXTERN Float STD_PROTO (CpFloatUnaligned, (CELL *));
|
|
|
|
inline EXTERN void STD_PROTO (AlignGlobalForDouble, (void));
|
|
|
|
#define DOUBLE_ALIGNED(ADDR) ((CELL)(ADDR) & 0x4)
|
|
|
|
#ifdef i386
|
|
inline EXTERN Float
|
|
CpFloatUnaligned (CELL * ptr)
|
|
{
|
|
return *((Float *) (ptr + 1));
|
|
}
|
|
|
|
#else
|
|
/* first, need to address the alignment problem */
|
|
inline EXTERN Float
|
|
CpFloatUnaligned (CELL * ptr)
|
|
{
|
|
union
|
|
{
|
|
Float f;
|
|
CELL d[2];
|
|
} u;
|
|
u.d[0] = ptr[1];
|
|
u.d[1] = ptr[2];
|
|
return (u.f);
|
|
}
|
|
|
|
#endif
|
|
|
|
#if GC_NO_TAGS
|
|
|
|
inline EXTERN Term MkFloatTerm (Float);
|
|
|
|
inline EXTERN Term
|
|
MkFloatTerm (Float dbl)
|
|
{
|
|
return (Term) ((AlignGlobalForDouble (), H[0] =
|
|
(CELL) FunctorDouble, *(Float *) (H + 1) = dbl, H[3] =
|
|
(3 * sizeof (CELL) + EndSpecials), H +=
|
|
4, AbsAppl (H - 4)));
|
|
}
|
|
|
|
|
|
#else
|
|
|
|
inline EXTERN Term MkFloatTerm (Float);
|
|
|
|
inline EXTERN Term
|
|
MkFloatTerm (Float dbl)
|
|
{
|
|
return (Term) ((AlignGlobalForDouble (), H[0] =
|
|
(CELL) FunctorDouble, *(Float *) (H + 1) = dbl, H[3] =
|
|
((3 * sizeof (CELL) + EndSpecials) | MBIT), H +=
|
|
4, AbsAppl (H - 4)));
|
|
}
|
|
|
|
|
|
#endif
|
|
|
|
|
|
inline EXTERN Float FloatOfTerm (Term t);
|
|
|
|
inline EXTERN Float
|
|
FloatOfTerm (Term t)
|
|
{
|
|
return (Float) ((DOUBLE_ALIGNED (RepAppl (t)) ? *(Float *) (RepAppl (t) + 1)
|
|
: CpFloatUnaligned (RepAppl (t))));
|
|
}
|
|
|
|
|
|
/* no alignment problems for 64 bit machines */
|
|
#else
|
|
/* OOPS, YAP only understands Floats that are as large as cells or that
|
|
take two cells!!! */
|
|
#endif
|
|
#endif
|
|
|
|
|
|
inline EXTERN int IsFloatTerm (Term);
|
|
|
|
inline EXTERN int
|
|
IsFloatTerm (Term t)
|
|
{
|
|
return (int) (IsApplTerm (t) && FunctorOfTerm (t) == FunctorDouble);
|
|
}
|
|
|
|
|
|
|
|
|
|
/* extern Functor FunctorLongInt; */
|
|
|
|
inline EXTERN Term MkLongIntTerm (Int);
|
|
|
|
inline EXTERN Term
|
|
MkLongIntTerm (Int i)
|
|
{
|
|
H[0] = (CELL) FunctorLongInt;
|
|
H[1] = (CELL) (i);
|
|
#if GC_NO_TAGS
|
|
H[2] = 2 * sizeof (CELL) + EndSpecials;
|
|
#else
|
|
H[2] = ((2 * sizeof (CELL) + EndSpecials) | MBIT);
|
|
#endif
|
|
H += 3;
|
|
return AbsAppl(H - 3);
|
|
}
|
|
|
|
inline EXTERN Int LongIntOfTerm (Term t);
|
|
|
|
inline EXTERN Int
|
|
LongIntOfTerm (Term t)
|
|
{
|
|
return (Int) (RepAppl (t)[1]);
|
|
}
|
|
|
|
|
|
|
|
inline EXTERN int IsLongIntTerm (Term);
|
|
|
|
inline EXTERN int
|
|
IsLongIntTerm (Term t)
|
|
{
|
|
return (int) (IsApplTerm (t) && FunctorOfTerm (t) == FunctorLongInt);
|
|
}
|
|
|
|
|
|
|
|
#ifdef USE_GMP
|
|
#include <stdio.h>
|
|
#include <gmp.h>
|
|
|
|
|
|
Term STD_PROTO (Yap_MkBigIntTerm, (MP_INT *));
|
|
MP_INT *STD_PROTO (Yap_BigIntOfTerm, (Term));
|
|
|
|
inline EXTERN int IsBigIntTerm (Term);
|
|
|
|
inline EXTERN int
|
|
IsBigIntTerm (Term t)
|
|
{
|
|
return (int) (IsApplTerm (t) && FunctorOfTerm (t) == FunctorBigInt);
|
|
}
|
|
|
|
inline EXTERN void MPZ_SET (mpz_t, MP_INT *);
|
|
|
|
inline EXTERN void
|
|
MPZ_SET (mpz_t dest, MP_INT *src)
|
|
{
|
|
dest->_mp_size = src->_mp_size;
|
|
dest->_mp_alloc = src->_mp_alloc;
|
|
dest->_mp_d = src->_mp_d;
|
|
}
|
|
|
|
inline EXTERN int IsLargeIntTerm (Term);
|
|
|
|
inline EXTERN int
|
|
IsLargeIntTerm (Term t)
|
|
{
|
|
return (int) (IsApplTerm (t)
|
|
&& ((FunctorOfTerm (t) <= FunctorBigInt)
|
|
&& (FunctorOfTerm (t) >= FunctorLongInt)));
|
|
}
|
|
|
|
|
|
inline EXTERN UInt Yap_SizeOfBigInt (Term);
|
|
|
|
inline EXTERN UInt
|
|
Yap_SizeOfBigInt (Term t)
|
|
{
|
|
CELL *pt = RepAppl(t)+1;
|
|
return 2+(sizeof(MP_INT)+
|
|
(((MP_INT *)pt)->_mp_alloc*sizeof(mp_limb_t)))/sizeof(CELL);
|
|
}
|
|
|
|
|
|
|
|
#else
|
|
|
|
|
|
inline EXTERN int IsBigIntTerm (Term);
|
|
|
|
inline EXTERN int
|
|
IsBigIntTerm (Term t)
|
|
{
|
|
return (int) (FALSE);
|
|
}
|
|
|
|
|
|
|
|
|
|
inline EXTERN int IsLargeIntTerm (Term);
|
|
|
|
inline EXTERN int
|
|
IsLargeIntTerm (Term t)
|
|
{
|
|
return (int) (IsApplTerm (t) && FunctorOfTerm (t) == FunctorLongInt);
|
|
}
|
|
|
|
|
|
|
|
#endif
|
|
|
|
/* extern Functor FunctorLongInt; */
|
|
|
|
inline EXTERN int IsLargeNumTerm (Term);
|
|
|
|
inline EXTERN int
|
|
IsLargeNumTerm (Term t)
|
|
{
|
|
return (int) (IsApplTerm (t)
|
|
&& ((FunctorOfTerm (t) <= FunctorDouble)
|
|
&& (FunctorOfTerm (t) >= FunctorLongInt)));
|
|
}
|
|
|
|
|
|
|
|
|
|
inline EXTERN int IsNumTerm (Term);
|
|
|
|
inline EXTERN int
|
|
IsNumTerm (Term t)
|
|
{
|
|
return (int) ((IsIntTerm (t) || IsLargeNumTerm (t)));
|
|
}
|
|
|
|
|
|
|
|
|
|
inline EXTERN Int IsAtomicTerm (Term);
|
|
|
|
inline EXTERN Int
|
|
IsAtomicTerm (Term t)
|
|
{
|
|
return (Int) (IsAtomOrIntTerm (t) || IsLargeNumTerm (t));
|
|
}
|
|
|
|
|
|
|
|
|
|
inline EXTERN Int IsExtensionFunctor (Functor);
|
|
|
|
inline EXTERN Int
|
|
IsExtensionFunctor (Functor f)
|
|
{
|
|
return (Int) (f <= FunctorDouble);
|
|
}
|
|
|
|
|
|
|
|
inline EXTERN Int IsBlobFunctor (Functor);
|
|
|
|
inline EXTERN Int
|
|
IsBlobFunctor (Functor f)
|
|
{
|
|
return (Int) ((f <= FunctorDouble && f >= FunctorDBRef));
|
|
}
|
|
|
|
|
|
|
|
inline EXTERN Int IsPrimitiveTerm (Term);
|
|
|
|
inline EXTERN Int
|
|
IsPrimitiveTerm (Term t)
|
|
{
|
|
return (Int) ((IsAtomOrIntTerm (t)
|
|
|| (IsApplTerm (t) && IsBlobFunctor (FunctorOfTerm (t)))));
|
|
}
|
|
|
|
|
|
|
|
#ifdef TERM_EXTENSIONS
|
|
|
|
|
|
inline EXTERN Int IsAttachFunc (Functor);
|
|
|
|
inline EXTERN Int
|
|
IsAttachFunc (Functor f)
|
|
{
|
|
return (Int) (FALSE);
|
|
}
|
|
|
|
|
|
|
|
|
|
inline EXTERN Int IsAttachedTerm (Term);
|
|
|
|
inline EXTERN Int
|
|
IsAttachedTerm (Term t)
|
|
{
|
|
return (Int) ((IsVarTerm (t) && VarOfTerm (t) < H0));
|
|
}
|
|
|
|
|
|
|
|
|
|
inline EXTERN Int SafeIsAttachedTerm (Term);
|
|
|
|
inline EXTERN Int
|
|
SafeIsAttachedTerm (Term t)
|
|
{
|
|
return (Int) ((IsVarTerm (t) && VarOfTerm (t) < H0
|
|
&& VarOfTerm (t) >= (CELL *) Yap_GlobalBase));
|
|
}
|
|
|
|
|
|
|
|
|
|
inline EXTERN exts ExtFromCell (CELL *);
|
|
|
|
inline EXTERN exts
|
|
ExtFromCell (CELL * pt)
|
|
{
|
|
return attvars_ext;
|
|
}
|
|
|
|
|
|
|
|
#else
|
|
|
|
|
|
inline EXTERN Int IsAttachFunc (Functor);
|
|
|
|
inline EXTERN Int
|
|
IsAttachFunc (Functor f)
|
|
{
|
|
return (Int) (FALSE);
|
|
}
|
|
|
|
|
|
|
|
|
|
inline EXTERN Int IsAttachedTerm (Term);
|
|
|
|
inline EXTERN Int
|
|
IsAttachedTerm (Term t)
|
|
{
|
|
return (Int) (FALSE);
|
|
}
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
inline EXTERN int STD_PROTO (unify_extension, (Functor, CELL, CELL *, CELL));
|
|
|
|
EXTERN int STD_PROTO (unify_extension, (Functor, CELL, CELL *, CELL));
|
|
|
|
inline EXTERN int
|
|
unify_extension (Functor f, CELL d0, CELL * pt0, CELL d1)
|
|
{
|
|
switch (BlobOfFunctor (f))
|
|
{
|
|
case db_ref_e:
|
|
return (d0 == d1);
|
|
case long_int_e:
|
|
return (pt0[1] == RepAppl (d1)[1]);
|
|
#ifdef USE_GMP
|
|
case big_int_e:
|
|
return (mpz_cmp (Yap_BigIntOfTerm (d0), Yap_BigIntOfTerm (d1)) == 0);
|
|
#endif /* USE_GMP */
|
|
case double_e:
|
|
{
|
|
CELL *pt1 = RepAppl (d1);
|
|
return (pt0[1] == pt1[1]
|
|
#if SIZEOF_DOUBLE == 2*SIZEOF_LONG_INT
|
|
&& pt0[2] == pt1[2]
|
|
#endif
|
|
);
|
|
}
|
|
}
|
|
return (FALSE);
|
|
}
|