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first steps to allow mavars with tabling

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fix trailing for tabling with multiple get_cons


git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1356 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
This commit is contained in:
vsc
2005-08-05 14:55:03 +00:00
parent 34b2a0df4f
commit ab97812ec7
10 changed files with 2470 additions and 1366 deletions
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66
OPTYap/opt.mavar.h
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@@ -5,7 +5,7 @@
Copyright: R. Rocha and NCC - University of Porto, Portugal
File: opt.mavar.h
version: $Id: opt.mavar.h,v 1.3 2005-05-31 08:24:24 ricroc Exp $
version: $Id: opt.mavar.h,v 1.4 2005-08-05 14:55:03 vsc Exp $
**********************************************************************/
@@ -31,17 +31,17 @@ typedef struct {
struct ma_h_entry val;
} ma_hash_entry;
extern ma_hash_entry ma_hash_table[MAVARS_HASH_SIZE];
extern ma_hash_entry Yap_ma_hash_table[MAVARS_HASH_SIZE];
extern UInt timestamp; /* an unsigned int */
extern UInt Yap_timestamp; /* an unsigned int */
OPT_MAVAR_STATIC unsigned int MAVAR_HASH(CELL *);
OPT_MAVAR_STATIC struct ma_h_entry *ALLOC_NEW_MASPACE(void);
OPT_MAVAR_STATIC int lookup_ma_var(CELL *);
OPT_MAVAR_STATIC UInt NEW_MAHASH(ma_h_inner_struct *);
OPT_MAVAR_STATIC unsigned int Yap_MAVAR_HASH(CELL *);
OPT_MAVAR_STATIC struct ma_h_entry *Yap_ALLOC_NEW_MASPACE(void);
OPT_MAVAR_STATIC int Yap_lookup_ma_var(CELL *);
OPT_MAVAR_STATIC UInt Yap_NEW_MAHASH(ma_h_inner_struct *);
OPT_MAVAR_STATIC unsigned int
MAVAR_HASH(CELL *addr) {
Yap_MAVAR_HASH(CELL *addr) {
#if SIZEOF_INT_P==8
return((((unsigned int)((CELL)(addr)))>>3)%MAVARS_HASH_SIZE);
#else
@@ -49,56 +49,56 @@ MAVAR_HASH(CELL *addr) {
#endif
}
extern ma_h_inner_struct *ma_h_top;
extern ma_h_inner_struct *Yap_ma_h_top;
OPT_MAVAR_STATIC struct ma_h_entry *
ALLOC_NEW_MASPACE(void)
Yap_ALLOC_NEW_MASPACE(void)
{
ma_h_inner_struct *new = ma_h_top;
ma_h_top++;
return(new);
ma_h_inner_struct *new = Yap_ma_h_top;
Yap_ma_h_top++;
return new;
}
OPT_MAVAR_STATIC int
lookup_ma_var(CELL *addr) {
unsigned int i = MAVAR_HASH(addr);
Yap_lookup_ma_var(CELL *addr) {
unsigned int i = Yap_MAVAR_HASH(addr);
struct ma_h_entry *nptr, *optr;
if (ma_hash_table[i].timestmp != timestamp) {
ma_hash_table[i].timestmp = timestamp;
ma_hash_table[i].val.addr = addr;
ma_hash_table[i].val.next = NULL;
return(FALSE);
if (Yap_ma_hash_table[i].timestmp != Yap_timestamp) {
Yap_ma_hash_table[i].timestmp = Yap_timestamp;
Yap_ma_hash_table[i].val.addr = addr;
Yap_ma_hash_table[i].val.next = NULL;
return FALSE;
}
if (ma_hash_table[i].val.addr == addr)
return(TRUE);
optr = &(ma_hash_table[i].val);
nptr = ma_hash_table[i].val.next;
if (Yap_ma_hash_table[i].val.addr == addr)
return TRUE;
optr = &(Yap_ma_hash_table[i].val);
nptr = Yap_ma_hash_table[i].val.next;
while (nptr != NULL) {
if (nptr->addr == addr) {
return(TRUE);
return TRUE;
}
optr = nptr;
nptr = nptr->next;
}
nptr = ALLOC_NEW_MASPACE();
nptr = Yap_ALLOC_NEW_MASPACE();
nptr->addr = addr;
nptr->next = optr;
return(FALSE);
return FALSE;
}
OPT_MAVAR_STATIC UInt
NEW_MAHASH(ma_h_inner_struct *top) {
UInt time = ++timestamp;
Yap_NEW_MAHASH(ma_h_inner_struct *top) {
UInt time = ++Yap_timestamp;
if (time == 0) {
unsigned int i;
/* damn, we overflowed */
for (i = 0; i < MAVARS_HASH_SIZE; i++)
ma_hash_table[i].timestmp = 0;
time = ++timestamp;
Yap_ma_hash_table[i].timestmp = 0;
time = ++Yap_timestamp;
}
ma_h_top = top;
return(time);
Yap_ma_h_top = top;
return time;
}
#endif /* MULTI_ASSIGNMENT_VARIABLES */