Try to make plwrite reentrant by getting rid of (some) global

variables.


git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@700 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
This commit is contained in:
vsc 2002-11-20 20:00:56 +00:00
parent e133c87b3b
commit 2c9190dee8
1 changed files with 191 additions and 175 deletions

366
C/write.c
View File

@ -44,35 +44,39 @@ typedef enum {
static wtype lastw;
STATIC_PROTO(void wrputn, (Int));
STATIC_PROTO(void wrputs, (char *));
STATIC_PROTO(void wrputf, (Float));
STATIC_PROTO(void wrputref, (CODEADDR));
typedef int (*wrf) (int, int);
typedef struct write_globs {
wrf writech;
int Quote_illegal, Ignore_ops, Handle_vars, Use_portray;
int keep_terms;
UInt MaxDepth, MaxList;
} wglbs;
STATIC_PROTO(void wrputn, (Int, wrf));
STATIC_PROTO(void wrputs, (char *, wrf));
STATIC_PROTO(void wrputf, (Float, wrf));
STATIC_PROTO(void wrputref, (CODEADDR, wrf));
STATIC_PROTO(int legalAtom, (char *));
STATIC_PROTO(int LeftOpToProtect, (Atom, int));
STATIC_PROTO(int RightOpToProtect, (Atom, int));
STATIC_PROTO(wtype AtomIsSymbols, (char *));
STATIC_PROTO(void putAtom, (Atom));
STATIC_PROTO(void writeTerm, (Term, int, int, int));
STATIC_PROTO(void putAtom, (Atom, int, wrf));
STATIC_PROTO(void writeTerm, (Term, int, int, int, struct write_globs *));
static int (*writech) (int, int);
static int Quote_illegal, Ignore_ops, Handle_vars, Use_portray;
static int keep_terms;
#define wrputc(X) ((*writech)(Yap_c_output_stream,X)) /* writes a character */
#define wrputc(X,WF) ((*WF)(Yap_c_output_stream,X)) /* writes a character */
static void
wrputn(Int n) /* writes an integer */
wrputn(Int n, wrf writech) /* writes an integer */
{
char s[256], *s1=s; /* that should be enough for most integers */
if (n < 0) {
if (lastw == symbol)
wrputc(' ');
wrputc(' ', writech);
} else {
if (lastw == alphanum)
wrputc(' ');
wrputc(' ', writech);
}
#if HAVE_SNPRINTF
#if SHORT_INTS
@ -88,48 +92,48 @@ wrputn(Int n) /* writes an integer */
#endif
#endif
while (*s1)
wrputc(*s1++);
wrputc(*s1++, writech);
lastw = alphanum;
}
static void
wrputs(char *s) /* writes a string */
wrputs(char *s, wrf writech) /* writes a string */
{
while (*s)
wrputc(*s++);
wrputc(*s++, writech);
}
static void
wrputf(Float f) /* writes a float */
wrputf(Float f, wrf writech) /* writes a float */
{
char s[255], *pt = s, ch;
if (f < 0) {
if (lastw == symbol)
wrputc(' ');
wrputc(' ', writech);
} else {
if (lastw == alphanum)
wrputc(' ');
wrputc(' ', writech);
}
lastw = alphanum;
sprintf(s, "%.15g", f);
while (*pt == ' ')
pt++;
if (*pt == 'i' || *pt == 'n') /* inf or nan */
wrputc('+');
wrputs(pt);
wrputc('+', writech);
wrputs(pt, writech);
if (*pt == '-') pt++;
while ((ch = *pt) != '\0') {
if (ch < '0' || ch > '9')
return;
pt++;
}
wrputs(".0");
wrputs(".0", writech);
}
static void
wrputref(CODEADDR ref) /* writes a data base reference */
wrputref(CODEADDR ref, wrf writech) /* writes a data base reference */
{
char s[256];
@ -143,7 +147,7 @@ wrputref(CODEADDR ref) /* writes a data base reference */
sprintf(s, "0x%p", ref);
#endif
#endif
wrputs(s);
wrputs(s, writech);
lastw = alphanum;
}
@ -204,7 +208,7 @@ AtomIsSymbols(char *s) /* Is this atom just formed by symbols ? */
}
static void
putAtom(Atom atom) /* writes an atom */
putAtom(Atom atom, int Quote_illegal, wrf writech) /* writes an atom */
{
char *s = RepAtom(atom)->StrOfAE;
@ -215,26 +219,26 @@ putAtom(Atom atom) /* writes an atom */
if (Yap_GetValue(Yap_LookupAtom("crypt_atoms")) != TermNil && Yap_GetAProp(atom, OpProperty) == NIL) {
char s[16];
sprintf(s,"x%x", (CELL)s);
wrputs(s);
wrputs(s, writech);
return;
}
#endif
if (lastw == atom_or_symbol && atom_or_symbol != separator /* solo */)
wrputc(' ');
wrputc(' ', writech);
lastw = atom_or_symbol;
if (!legalAtom(s) && Quote_illegal) {
wrputc('\'');
wrputc('\'', writech);
while (*s) {
int ch = *s++;
wrputc(ch);
wrputc(ch, writech);
if (ch == '\\' && yap_flags[CHARACTER_ESCAPE_FLAG] != CPROLOG_CHARACTER_ESCAPES)
wrputc('\\'); /* be careful about backslashes */
wrputc('\\', writech); /* be careful about backslashes */
else if (ch == '\'')
wrputc('\''); /* be careful about quotes */
wrputc('\'', writech); /* be careful about quotes */
}
wrputc('\'');
wrputc('\'', writech);
} else {
wrputs(s);
wrputs(s, writech);
}
}
@ -260,30 +264,30 @@ IsStringTerm(Term string) /* checks whether this is a string */
}
static void
putString(Term string) /* writes a string */
putString(Term string, wrf writech) /* writes a string */
{
wrputc('"');
wrputc('"', writech);
while (string != TermNil) {
int ch = IntOfTerm(HeadOfTerm(string));
wrputc(ch);
wrputc(ch, writech);
if (ch == '\\' && yap_flags[CHARACTER_ESCAPE_FLAG] != CPROLOG_CHARACTER_ESCAPES)
wrputc('\\'); /* be careful about backslashes */
wrputc('\\', writech); /* be careful about backslashes */
else if (ch == '"')
wrputc('"'); /* be careful about quotes */
wrputc('"', writech); /* be careful about quotes */
string = TailOfTerm(string);
}
wrputc('"');
wrputc('"', writech);
lastw = alphanum;
}
static void
putUnquotedString(Term string) /* writes a string */
putUnquotedString(Term string, wrf writech) /* writes a string */
{
while (string != TermNil) {
int ch = IntOfTerm(HeadOfTerm(string));
wrputc(ch);
wrputc(ch, writech);
string = TailOfTerm(string);
}
lastw = alphanum;
@ -291,12 +295,12 @@ putUnquotedString(Term string) /* writes a string */
static void
write_var(CELL *t)
write_var(CELL *t, struct write_globs *wglb)
{
if (lastw == alphanum) {
wrputc(' ');
wrputc(' ', wglb->writech);
}
wrputc('_');
wrputc('_', wglb->writech);
/* make sure we don't get no creepy spaces where they shouldn't be */
lastw = separator;
if (CellPtr(t) < H0) {
@ -307,24 +311,24 @@ write_var(CELL *t)
Yap_Portray_delays = FALSE;
if (ext == susp_ext) {
wrputs("$DL(");
write_var(t);
wrputc(')');
wrputs("$DL(",wglb->writech);
write_var(t, wglb);
wrputc(')', wglb->writech);
lastw = separator;
} else if (ext == attvars_ext) {
attvar_record *attv = (attvar_record *)t;
int i;
long sl = 0;
wrputs("$AT(");
write_var(t);
wrputc(',');
if (keep_terms) {
wrputs("$AT(",wglb->writech);
write_var(t, wglb);
wrputc(',', wglb->writech);
if (wglb->keep_terms) {
/* garbage collection may be called */
sl = Yap_InitSlot((CELL)attv);
}
writeTerm((Term)&(attv->Value), 999, 1, FALSE);
if (keep_terms) {
writeTerm((Term)&(attv->Value), 999, 1, FALSE, wglb);
if (wglb->keep_terms) {
attv = (attvar_record *)Yap_GetFromSlot(sl);
Yap_RecoverSlots(1);
}
@ -332,70 +336,56 @@ write_var(CELL *t)
if (!IsVarTerm(attv->Atts[2*i+1])) {
long sl = 0;
wrputc(',');
if (keep_terms) {
wrputc(',', wglb->writech);
if (wglb->keep_terms) {
/* garbage collection may be called */
sl = Yap_InitSlot((CELL)attv);
}
writeTerm((Term)&(attv->Atts[2*i+1]), 999, 1, FALSE);
if (keep_terms) {
writeTerm((Term)&(attv->Atts[2*i+1]), 999, 1, FALSE, wglb);
if (wglb->keep_terms) {
attv = (attvar_record *)Yap_GetFromSlot(sl);
Yap_RecoverSlots(1);
}
}
}
wrputc(')');
wrputc(')', wglb->writech);
}
Yap_Portray_delays = TRUE;
return;
}
#endif
#endif
wrputc('D');
wrputn(((Int) (t- CellPtr(Yap_GlobalBase))));
wrputc('D', wglb->writech);
wrputn(((Int) (t- CellPtr(Yap_GlobalBase))),wglb->writech);
} else {
wrputn(((Int) (t- H0)));
wrputn(((Int) (t- H0)),wglb->writech);
}
}
static void
writeTerm(Term t, int p, int depth, int rinfixarg)
writeTerm(Term t, int p, int depth, int rinfixarg, struct write_globs *wglb)
/* term to write */
/* context priority */
{
if (max_depth != 0 && depth > max_depth) {
putAtom(Yap_LookupAtom("..."));
if (wglb->MaxDepth != 0 && depth > wglb->MaxDepth) {
putAtom(Yap_LookupAtom("..."), wglb->Quote_illegal, wglb->writech);
return;
}
if (EX != 0)
return;
t = Deref(t);
if (IsVarTerm(t)) {
write_var((CELL *)t);
write_var((CELL *)t, wglb);
} else if (IsIntTerm(t)) {
wrputn((Int) IntOfTerm(t));
wrputn((Int) IntOfTerm(t),wglb->writech);
} else if (IsAtomTerm(t)) {
putAtom(AtomOfTerm(t));
} else if (IsFloatTerm(t)) {
wrputf(FloatOfTerm(t));
} else if (IsRefTerm(t)) {
wrputref(RefOfTerm(t));
} else if (IsLongIntTerm(t)) {
wrputn(LongIntOfTerm(t));
#ifdef USE_GMP
} else if (IsBigIntTerm(t)) {
char *s = (char *)TR;
while (s+2+mpz_sizeinbase(Yap_BigIntOfTerm(t), 10) > (char *)Yap_TrailTop)
Yap_growtrail(64*1024);
mpz_get_str(s, 10, Yap_BigIntOfTerm(t));
wrputs(s);
#endif
putAtom(AtomOfTerm(t), wglb->Quote_illegal, wglb->writech);
} else if (IsPairTerm(t)) {
int eldepth = 1;
Term ti;
if (Use_portray) {
if (wglb->Use_portray) {
Term targs[1];
Term old_EX = 0L;
long sl = 0;
@ -409,33 +399,32 @@ writeTerm(Term t, int p, int depth, int rinfixarg)
t = Yap_GetFromSlot(sl);
Yap_RecoverSlots(1);
if (old_EX != 0L) EX = old_EX;
Use_portray = TRUE;
Use_portray = TRUE;
if (Yap_GetValue(AtomPortray) == MkAtomTerm(AtomTrue))
return;
}
if (yap_flags[WRITE_QUOTED_STRING_FLAG] && IsStringTerm(t)) {
putString(t);
putString(t, wglb->writech);
} else {
wrputc('[');
wrputc('[', wglb->writech);
lastw = separator;
while (1) {
int new_depth = depth + 1;
long sl= 0;
if (max_list && eldepth > max_list) {
putAtom(Yap_LookupAtom("..."));
wrputc(']');
if (wglb->MaxList && eldepth > wglb->MaxList) {
putAtom(Yap_LookupAtom("..."), wglb->Quote_illegal, wglb->writech);
wrputc(']', wglb->writech);
lastw = separator;
return;
} else
} else {
eldepth++;
if (keep_terms) {
}
if (wglb->keep_terms) {
/* garbage collection may be called */
sl = Yap_InitSlot(t);
}
writeTerm(HeadOfTermCell(t), 999, new_depth, FALSE);
if (keep_terms) {
writeTerm(HeadOfTermCell(t), 999, new_depth, FALSE, wglb);
if (wglb->keep_terms) {
t = Yap_GetFromSlot(sl);
Yap_RecoverSlots(1);
}
@ -445,15 +434,15 @@ writeTerm(Term t, int p, int depth, int rinfixarg)
if (!IsPairTerm(ti))
break;
t = ti;
wrputc(',');
wrputc(',', wglb->writech);
lastw = separator;
}
if (ti != MkAtomTerm(AtomNil)) {
wrputc('|');
wrputc('|', wglb->writech);
lastw = separator;
writeTerm(TailOfTermCell(t), 999, depth + 1, FALSE);
writeTerm(TailOfTermCell(t), 999, depth + 1, FALSE, wglb);
}
wrputc(']');
wrputc(']', wglb->writech);
lastw = separator;
}
} else { /* compound term */
@ -463,6 +452,30 @@ writeTerm(Term t, int p, int depth, int rinfixarg)
Prop opinfo;
int op, lp, rp;
if (IsExtensionFunctor(functor)) {
switch((CELL)functor) {
case (CELL)FunctorDouble:
wrputf(FloatOfTerm(t),wglb->writech);
return;
case (CELL)FunctorDBRef:
wrputref(RefOfTerm(t),wglb->writech);
return;
case (CELL)FunctorLongInt:
wrputn(LongIntOfTerm(t),wglb->writech);
return;
#ifdef USE_GMP
case (CELL)FunctorBigInt:
{
char *s = (char *)TR;
while (s+2+mpz_sizeinbase(Yap_BigIntOfTerm(t), 10) > (char *)Yap_TrailTop)
Yap_growtrail(64*1024);
mpz_get_str(s, 10, Yap_BigIntOfTerm(t));
wrputs(s,wglb->writech);
}
return;
#endif
}
}
Arity = ArityOfFunctor(functor);
atom = NameOfFunctor(functor);
opinfo = Yap_GetAProp(atom, OpProperty);
@ -470,39 +483,39 @@ writeTerm(Term t, int p, int depth, int rinfixarg)
if (Arity == SFArity) {
int argno = 1;
CELL *p = ArgsOfSFTerm(t);
putAtom(atom);
wrputc('(');
putAtom(atom, wglb->Quote_illegal, wglb->writech);
wrputc('(', wglb->writech);
lastw = separator;
while (*p) {
long sl = 0;
while (argno < *p) {
wrputc('_'), wrputc(',');
wrputc('_', wglb->writech), wrputc(',', wglb->writech);
++argno;
}
*p++;
lastw = separator;
/* cannot use the term directly with the SBA */
if (keep_terms) {
if (wglb->keep_terms) {
/* garbage collection may be called */
sl = Yap_InitSlot((CELL)p);
}
writeTerm(Deref(p++), 999, depth + 1, FALSE);
if (keep_terms) {
writeTerm(Deref(p++), 999, depth + 1, FALSE, wglb);
if (wglb->keep_terms) {
/* garbage collection may be called */
p = (CELL *)Yap_GetFromSlot(sl);
Yap_RecoverSlots(1);
}
if (*p)
wrputc(',');
wrputc(',', wglb->writech);
argno++;
}
wrputc(')');
wrputc(')', wglb->writech);
lastw = separator;
return;
}
#endif
if (Use_portray) {
if (wglb->Use_portray) {
Term targs[1];
Term old_EX = 0L;
long sl = 0;
@ -515,11 +528,10 @@ writeTerm(Term t, int p, int depth, int rinfixarg)
t = Yap_GetFromSlot(sl);
Yap_RecoverSlots(1);
if (old_EX != 0L) EX = old_EX;
Use_portray = TRUE;
if (Yap_GetValue(AtomPortray) == MkAtomTerm(AtomTrue) || EX != 0L)
return;
}
if (!Ignore_ops &&
if (!wglb->Ignore_ops &&
Arity == 1 && opinfo && Yap_IsPrefixOp(opinfo, &op,
&rp)
#ifdef DO_NOT_WRITE_PLUS_AND_MINUS_AS_PREFIX
@ -538,25 +550,25 @@ writeTerm(Term t, int p, int depth, int rinfixarg)
if (op > p) {
/* avoid stuff such as \+ (a,b) being written as \+(a,b) */
if (lastw != separator && !rinfixarg)
wrputc(' ');
wrputc('(');
wrputc(' ', wglb->writech);
wrputc('(', wglb->writech);
lastw = separator;
}
putAtom(atom);
putAtom(atom, wglb->Quote_illegal, wglb->writech);
if (bracket_right) {
wrputc('(');
wrputc('(', wglb->writech);
lastw = separator;
}
writeTerm(ArgOfTermCell(1,t), rp, depth + 1, FALSE);
writeTerm(ArgOfTermCell(1,t), rp, depth + 1, FALSE, wglb);
if (bracket_right) {
wrputc(')');
wrputc(')', wglb->writech);
lastw = separator;
}
if (op > p) {
wrputc(')');
wrputc(')', wglb->writech);
lastw = separator;
}
} else if (!Ignore_ops &&
} else if (!wglb->Ignore_ops &&
Arity == 1 && opinfo && Yap_IsPosfixOp(opinfo, &op, &lp)) {
Term tleft = ArgOfTerm(1, t);
long sl = 0;
@ -566,34 +578,34 @@ writeTerm(Term t, int p, int depth, int rinfixarg)
if (op > p) {
/* avoid stuff such as \+ (a,b) being written as \+(a,b) */
if (lastw != separator && !rinfixarg)
wrputc(' ');
wrputc('(');
wrputc(' ', wglb->writech);
wrputc('(', wglb->writech);
lastw = separator;
}
if (bracket_left) {
wrputc('(');
wrputc('(', wglb->writech);
lastw = separator;
}
if (keep_terms) {
if (wglb->keep_terms) {
/* garbage collection may be called */
sl = Yap_InitSlot(t);
}
writeTerm(ArgOfTermCell(1,t), lp, depth + 1, rinfixarg);
if (keep_terms) {
writeTerm(ArgOfTermCell(1,t), lp, depth + 1, rinfixarg, wglb);
if (wglb->keep_terms) {
/* garbage collection may be called */
t = Yap_GetFromSlot(sl);
Yap_RecoverSlots(1);
}
if (bracket_left) {
wrputc(')');
wrputc(')', wglb->writech);
lastw = separator;
}
putAtom(atom);
putAtom(atom, wglb->Quote_illegal, wglb->writech);
if (op > p) {
wrputc(')');
wrputc(')', wglb->writech);
lastw = separator;
}
} else if (!Ignore_ops &&
} else if (!wglb->Ignore_ops &&
Arity == 2 && opinfo && Yap_IsInfixOp(opinfo, &op, &lp,
&rp) ) {
Term tleft = ArgOfTerm(1, t);
@ -609,142 +621,142 @@ writeTerm(Term t, int p, int depth, int rinfixarg)
if (op > p) {
/* avoid stuff such as \+ (a,b) being written as \+(a,b) */
if (lastw != separator && !rinfixarg)
wrputc(' ');
wrputc('(');
wrputc(' ', wglb->writech);
wrputc('(', wglb->writech);
lastw = separator;
}
if (bracket_left) {
wrputc('(');
wrputc('(', wglb->writech);
lastw = separator;
}
if (keep_terms) {
if (wglb->keep_terms) {
/* garbage collection may be called */
sl = Yap_InitSlot(t);
}
writeTerm(ArgOfTermCell(1, t), lp, depth + 1, rinfixarg);
if (keep_terms) {
writeTerm(ArgOfTermCell(1, t), lp, depth + 1, rinfixarg, wglb);
if (wglb->keep_terms) {
/* garbage collection may be called */
t = Yap_GetFromSlot(sl);
Yap_RecoverSlots(1);
}
if (bracket_left) {
wrputc(')');
wrputc(')', wglb->writech);
lastw = separator;
}
/* avoid quoting commas */
if (strcmp(RepAtom(atom)->StrOfAE,","))
putAtom(atom);
putAtom(atom, wglb->Quote_illegal, wglb->writech);
else {
wrputc(',');
wrputc(',', wglb->writech);
lastw = separator;
}
if (bracket_right) {
wrputc('(');
wrputc('(', wglb->writech);
lastw = separator;
}
writeTerm(ArgOfTermCell(2, t), rp, depth + 1, TRUE);
writeTerm(ArgOfTermCell(2, t), rp, depth + 1, TRUE, wglb);
if (bracket_right) {
wrputc(')');
wrputc(')', wglb->writech);
lastw = separator;
}
if (op > p) {
wrputc(')');
wrputc(')', wglb->writech);
lastw = separator;
}
} else if (Handle_vars && functor == FunctorVar) {
} else if (wglb->Handle_vars && functor == FunctorVar) {
Term ti = ArgOfTerm(1, t);
if (lastw == alphanum) {
wrputc(' ');
wrputc(' ', wglb->writech);
}
if (!IsVarTerm(ti) && (IsIntTerm(ti) || IsStringTerm(ti))) {
if (IsIntTerm(ti)) {
Int k = IntOfTerm(ti);
if (k == -1) {
wrputc('_');
wrputc('_', wglb->writech);
lastw = alphanum;
return;
} else {
wrputc((k % 26) + 'A');
wrputc((k % 26) + 'A', wglb->writech);
if (k >= 26) {
/* make sure we don't get confused about our context */
lastw = separator;
wrputn( k / 26 );
wrputn( k / 26 ,wglb->writech);
} else
lastw = alphanum;
}
} else {
putUnquotedString(ti);
putUnquotedString(ti, wglb->writech);
}
} else {
long sl = 0;
wrputs("'$VAR'(");
wrputs("'$VAR'(",wglb->writech);
lastw = separator;
if (keep_terms) {
if (wglb->keep_terms) {
/* garbage collection may be called */
sl = Yap_InitSlot(t);
}
writeTerm(ArgOfTermCell(1,t), 999, depth + 1, FALSE);
if (keep_terms) {
writeTerm(ArgOfTermCell(1,t), 999, depth + 1, FALSE, wglb);
if (wglb->keep_terms) {
/* garbage collection may be called */
t = Yap_GetFromSlot(sl);
Yap_RecoverSlots(1);
}
wrputc(')');
wrputc(')', wglb->writech);
lastw = separator;
}
} else if (functor == FunctorBraces) {
wrputc('{');
wrputc('{', wglb->writech);
lastw = separator;
writeTerm(ArgOfTermCell(1, t), 1200, depth + 1, FALSE);
wrputc('}');
writeTerm(ArgOfTermCell(1, t), 1200, depth + 1, FALSE, wglb);
wrputc('}', wglb->writech);
lastw = separator;
} else if (atom == AtomArray) {
long sl = 0;
wrputc('{');
wrputc('{', wglb->writech);
lastw = separator;
for (op = 1; op <= Arity; ++op) {
if (keep_terms) {
if (wglb->keep_terms) {
/* garbage collection may be called */
sl = Yap_InitSlot(t);
}
writeTerm(ArgOfTermCell(op, t), 999, depth + 1, FALSE);
if (keep_terms) {
writeTerm(ArgOfTermCell(op, t), 999, depth + 1, FALSE, wglb);
if (wglb->keep_terms) {
/* garbage collection may be called */
t = Yap_GetFromSlot(sl);
Yap_RecoverSlots(1);
}
if (op != Arity) {
wrputc(',');
wrputc(',', wglb->writech);
lastw = separator;
}
}
wrputc('}');
wrputc('}', wglb->writech);
lastw = separator;
} else {
putAtom(atom);
putAtom(atom, wglb->Quote_illegal, wglb->writech);
lastw = separator;
wrputc('(');
wrputc('(', wglb->writech);
for (op = 1; op <= Arity; ++op) {
long sl = 0;
if (keep_terms) {
if (wglb->keep_terms) {
/* garbage collection may be called */
sl = Yap_InitSlot(t);
}
writeTerm(ArgOfTermCell(op, t), 999, depth + 1, FALSE);
if (keep_terms) {
writeTerm(ArgOfTermCell(op, t), 999, depth + 1, FALSE, wglb);
if (wglb->keep_terms) {
/* garbage collection may be called */
t = Yap_GetFromSlot(sl);
Yap_RecoverSlots(1);
}
if (op != Arity) {
wrputc(',');
wrputc(',', wglb->writech);
lastw = separator;
}
}
wrputc(')');
wrputc(')', wglb->writech);
lastw = separator;
}
}
@ -756,15 +768,19 @@ Yap_plwrite(Term t, int (*mywrite) (int, int), int flags)
/* consumer */
/* write options */
{
writech = mywrite;
struct write_globs wglb;
wglb.writech = mywrite;
lastw = separator;
Quote_illegal = flags & Quote_illegal_f;
Handle_vars = flags & Handle_vars_f;
Use_portray = flags & Use_portray_f;
wglb.Quote_illegal = flags & Quote_illegal_f;
wglb.Handle_vars = flags & Handle_vars_f;
wglb.Use_portray = flags & Use_portray_f;
wglb.MaxDepth = max_depth;
wglb.MaxList = max_list;
/* notice: we must have ASP well set when using portray, otherwise
we cannot make recursive Prolog calls */
keep_terms = Use_portray;
Ignore_ops = flags & Ignore_ops_f;
writeTerm(t, 1200, 1, FALSE);
wglb.keep_terms = wglb.Use_portray;
wglb.Ignore_ops = flags & Ignore_ops_f;
writeTerm(t, 1200, 1, FALSE, &wglb);
}