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:
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parent
e133c87b3b
commit
2c9190dee8
366
C/write.c
366
C/write.c
@ -44,35 +44,39 @@ typedef enum {
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static wtype lastw;
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STATIC_PROTO(void wrputn, (Int));
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STATIC_PROTO(void wrputs, (char *));
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STATIC_PROTO(void wrputf, (Float));
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STATIC_PROTO(void wrputref, (CODEADDR));
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typedef int (*wrf) (int, int);
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typedef struct write_globs {
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wrf writech;
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int Quote_illegal, Ignore_ops, Handle_vars, Use_portray;
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int keep_terms;
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UInt MaxDepth, MaxList;
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} wglbs;
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STATIC_PROTO(void wrputn, (Int, wrf));
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STATIC_PROTO(void wrputs, (char *, wrf));
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STATIC_PROTO(void wrputf, (Float, wrf));
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STATIC_PROTO(void wrputref, (CODEADDR, wrf));
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STATIC_PROTO(int legalAtom, (char *));
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STATIC_PROTO(int LeftOpToProtect, (Atom, int));
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STATIC_PROTO(int RightOpToProtect, (Atom, int));
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STATIC_PROTO(wtype AtomIsSymbols, (char *));
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STATIC_PROTO(void putAtom, (Atom));
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STATIC_PROTO(void writeTerm, (Term, int, int, int));
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STATIC_PROTO(void putAtom, (Atom, int, wrf));
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STATIC_PROTO(void writeTerm, (Term, int, int, int, struct write_globs *));
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static int (*writech) (int, int);
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static int Quote_illegal, Ignore_ops, Handle_vars, Use_portray;
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static int keep_terms;
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#define wrputc(X) ((*writech)(Yap_c_output_stream,X)) /* writes a character */
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#define wrputc(X,WF) ((*WF)(Yap_c_output_stream,X)) /* writes a character */
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static void
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wrputn(Int n) /* writes an integer */
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wrputn(Int n, wrf writech) /* writes an integer */
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{
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char s[256], *s1=s; /* that should be enough for most integers */
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if (n < 0) {
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if (lastw == symbol)
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wrputc(' ');
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wrputc(' ', writech);
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} else {
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if (lastw == alphanum)
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wrputc(' ');
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wrputc(' ', writech);
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}
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#if HAVE_SNPRINTF
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#if SHORT_INTS
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@ -88,48 +92,48 @@ wrputn(Int n) /* writes an integer */
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#endif
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#endif
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while (*s1)
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wrputc(*s1++);
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wrputc(*s1++, writech);
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lastw = alphanum;
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}
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static void
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wrputs(char *s) /* writes a string */
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wrputs(char *s, wrf writech) /* writes a string */
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{
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while (*s)
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wrputc(*s++);
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wrputc(*s++, writech);
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}
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static void
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wrputf(Float f) /* writes a float */
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wrputf(Float f, wrf writech) /* writes a float */
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{
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char s[255], *pt = s, ch;
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if (f < 0) {
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if (lastw == symbol)
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wrputc(' ');
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wrputc(' ', writech);
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} else {
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if (lastw == alphanum)
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wrputc(' ');
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wrputc(' ', writech);
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}
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lastw = alphanum;
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sprintf(s, "%.15g", f);
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while (*pt == ' ')
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pt++;
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if (*pt == 'i' || *pt == 'n') /* inf or nan */
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wrputc('+');
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wrputs(pt);
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wrputc('+', writech);
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wrputs(pt, writech);
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if (*pt == '-') pt++;
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while ((ch = *pt) != '\0') {
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if (ch < '0' || ch > '9')
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return;
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pt++;
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}
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wrputs(".0");
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wrputs(".0", writech);
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}
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static void
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wrputref(CODEADDR ref) /* writes a data base reference */
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wrputref(CODEADDR ref, wrf writech) /* writes a data base reference */
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{
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char s[256];
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@ -143,7 +147,7 @@ wrputref(CODEADDR ref) /* writes a data base reference */
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sprintf(s, "0x%p", ref);
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#endif
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#endif
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wrputs(s);
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wrputs(s, writech);
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lastw = alphanum;
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}
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@ -204,7 +208,7 @@ AtomIsSymbols(char *s) /* Is this atom just formed by symbols ? */
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}
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static void
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putAtom(Atom atom) /* writes an atom */
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putAtom(Atom atom, int Quote_illegal, wrf writech) /* writes an atom */
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{
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char *s = RepAtom(atom)->StrOfAE;
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@ -215,26 +219,26 @@ putAtom(Atom atom) /* writes an atom */
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if (Yap_GetValue(Yap_LookupAtom("crypt_atoms")) != TermNil && Yap_GetAProp(atom, OpProperty) == NIL) {
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char s[16];
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sprintf(s,"x%x", (CELL)s);
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wrputs(s);
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wrputs(s, writech);
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return;
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}
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#endif
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if (lastw == atom_or_symbol && atom_or_symbol != separator /* solo */)
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wrputc(' ');
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wrputc(' ', writech);
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lastw = atom_or_symbol;
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if (!legalAtom(s) && Quote_illegal) {
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wrputc('\'');
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wrputc('\'', writech);
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while (*s) {
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int ch = *s++;
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wrputc(ch);
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wrputc(ch, writech);
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if (ch == '\\' && yap_flags[CHARACTER_ESCAPE_FLAG] != CPROLOG_CHARACTER_ESCAPES)
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wrputc('\\'); /* be careful about backslashes */
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wrputc('\\', writech); /* be careful about backslashes */
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else if (ch == '\'')
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wrputc('\''); /* be careful about quotes */
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wrputc('\'', writech); /* be careful about quotes */
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}
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wrputc('\'');
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wrputc('\'', writech);
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} else {
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wrputs(s);
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wrputs(s, writech);
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}
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}
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@ -260,30 +264,30 @@ IsStringTerm(Term string) /* checks whether this is a string */
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}
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static void
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putString(Term string) /* writes a string */
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putString(Term string, wrf writech) /* writes a string */
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{
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wrputc('"');
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wrputc('"', writech);
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while (string != TermNil) {
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int ch = IntOfTerm(HeadOfTerm(string));
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wrputc(ch);
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wrputc(ch, writech);
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if (ch == '\\' && yap_flags[CHARACTER_ESCAPE_FLAG] != CPROLOG_CHARACTER_ESCAPES)
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wrputc('\\'); /* be careful about backslashes */
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wrputc('\\', writech); /* be careful about backslashes */
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else if (ch == '"')
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wrputc('"'); /* be careful about quotes */
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wrputc('"', writech); /* be careful about quotes */
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string = TailOfTerm(string);
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}
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wrputc('"');
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wrputc('"', writech);
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lastw = alphanum;
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}
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static void
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putUnquotedString(Term string) /* writes a string */
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putUnquotedString(Term string, wrf writech) /* writes a string */
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{
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while (string != TermNil) {
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int ch = IntOfTerm(HeadOfTerm(string));
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wrputc(ch);
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wrputc(ch, writech);
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string = TailOfTerm(string);
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}
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lastw = alphanum;
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@ -291,12 +295,12 @@ putUnquotedString(Term string) /* writes a string */
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static void
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write_var(CELL *t)
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write_var(CELL *t, struct write_globs *wglb)
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{
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if (lastw == alphanum) {
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wrputc(' ');
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wrputc(' ', wglb->writech);
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}
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wrputc('_');
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wrputc('_', wglb->writech);
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/* make sure we don't get no creepy spaces where they shouldn't be */
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lastw = separator;
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if (CellPtr(t) < H0) {
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@ -307,24 +311,24 @@ write_var(CELL *t)
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Yap_Portray_delays = FALSE;
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if (ext == susp_ext) {
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wrputs("$DL(");
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write_var(t);
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wrputc(')');
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wrputs("$DL(",wglb->writech);
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write_var(t, wglb);
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wrputc(')', wglb->writech);
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lastw = separator;
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} else if (ext == attvars_ext) {
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attvar_record *attv = (attvar_record *)t;
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int i;
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long sl = 0;
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wrputs("$AT(");
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write_var(t);
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wrputc(',');
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if (keep_terms) {
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wrputs("$AT(",wglb->writech);
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write_var(t, wglb);
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wrputc(',', wglb->writech);
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if (wglb->keep_terms) {
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/* garbage collection may be called */
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sl = Yap_InitSlot((CELL)attv);
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}
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writeTerm((Term)&(attv->Value), 999, 1, FALSE);
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if (keep_terms) {
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writeTerm((Term)&(attv->Value), 999, 1, FALSE, wglb);
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if (wglb->keep_terms) {
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attv = (attvar_record *)Yap_GetFromSlot(sl);
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Yap_RecoverSlots(1);
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}
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@ -332,70 +336,56 @@ write_var(CELL *t)
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if (!IsVarTerm(attv->Atts[2*i+1])) {
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long sl = 0;
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wrputc(',');
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if (keep_terms) {
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wrputc(',', wglb->writech);
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if (wglb->keep_terms) {
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/* garbage collection may be called */
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sl = Yap_InitSlot((CELL)attv);
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}
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writeTerm((Term)&(attv->Atts[2*i+1]), 999, 1, FALSE);
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if (keep_terms) {
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writeTerm((Term)&(attv->Atts[2*i+1]), 999, 1, FALSE, wglb);
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if (wglb->keep_terms) {
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attv = (attvar_record *)Yap_GetFromSlot(sl);
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Yap_RecoverSlots(1);
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}
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}
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}
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wrputc(')');
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wrputc(')', wglb->writech);
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}
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Yap_Portray_delays = TRUE;
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return;
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}
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#endif
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#endif
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wrputc('D');
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wrputn(((Int) (t- CellPtr(Yap_GlobalBase))));
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wrputc('D', wglb->writech);
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wrputn(((Int) (t- CellPtr(Yap_GlobalBase))),wglb->writech);
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} else {
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wrputn(((Int) (t- H0)));
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wrputn(((Int) (t- H0)),wglb->writech);
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}
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}
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static void
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writeTerm(Term t, int p, int depth, int rinfixarg)
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writeTerm(Term t, int p, int depth, int rinfixarg, struct write_globs *wglb)
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/* term to write */
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/* context priority */
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{
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if (max_depth != 0 && depth > max_depth) {
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putAtom(Yap_LookupAtom("..."));
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if (wglb->MaxDepth != 0 && depth > wglb->MaxDepth) {
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putAtom(Yap_LookupAtom("..."), wglb->Quote_illegal, wglb->writech);
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return;
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}
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if (EX != 0)
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return;
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t = Deref(t);
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if (IsVarTerm(t)) {
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write_var((CELL *)t);
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write_var((CELL *)t, wglb);
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} else if (IsIntTerm(t)) {
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wrputn((Int) IntOfTerm(t));
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wrputn((Int) IntOfTerm(t),wglb->writech);
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} else if (IsAtomTerm(t)) {
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putAtom(AtomOfTerm(t));
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} else if (IsFloatTerm(t)) {
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wrputf(FloatOfTerm(t));
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} else if (IsRefTerm(t)) {
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wrputref(RefOfTerm(t));
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} else if (IsLongIntTerm(t)) {
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wrputn(LongIntOfTerm(t));
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#ifdef USE_GMP
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} else if (IsBigIntTerm(t)) {
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char *s = (char *)TR;
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while (s+2+mpz_sizeinbase(Yap_BigIntOfTerm(t), 10) > (char *)Yap_TrailTop)
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Yap_growtrail(64*1024);
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mpz_get_str(s, 10, Yap_BigIntOfTerm(t));
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wrputs(s);
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#endif
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putAtom(AtomOfTerm(t), wglb->Quote_illegal, wglb->writech);
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} else if (IsPairTerm(t)) {
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int eldepth = 1;
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Term ti;
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if (Use_portray) {
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if (wglb->Use_portray) {
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Term targs[1];
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Term old_EX = 0L;
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long sl = 0;
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@ -409,33 +399,32 @@ writeTerm(Term t, int p, int depth, int rinfixarg)
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t = Yap_GetFromSlot(sl);
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Yap_RecoverSlots(1);
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if (old_EX != 0L) EX = old_EX;
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Use_portray = TRUE;
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Use_portray = TRUE;
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if (Yap_GetValue(AtomPortray) == MkAtomTerm(AtomTrue))
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return;
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}
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if (yap_flags[WRITE_QUOTED_STRING_FLAG] && IsStringTerm(t)) {
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putString(t);
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putString(t, wglb->writech);
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} else {
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wrputc('[');
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wrputc('[', wglb->writech);
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lastw = separator;
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while (1) {
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int new_depth = depth + 1;
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long sl= 0;
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if (max_list && eldepth > max_list) {
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putAtom(Yap_LookupAtom("..."));
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wrputc(']');
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if (wglb->MaxList && eldepth > wglb->MaxList) {
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putAtom(Yap_LookupAtom("..."), wglb->Quote_illegal, wglb->writech);
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wrputc(']', wglb->writech);
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lastw = separator;
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return;
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} else
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} else {
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eldepth++;
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if (keep_terms) {
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}
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if (wglb->keep_terms) {
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/* garbage collection may be called */
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sl = Yap_InitSlot(t);
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}
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writeTerm(HeadOfTermCell(t), 999, new_depth, FALSE);
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if (keep_terms) {
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writeTerm(HeadOfTermCell(t), 999, new_depth, FALSE, wglb);
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if (wglb->keep_terms) {
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t = Yap_GetFromSlot(sl);
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Yap_RecoverSlots(1);
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}
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@ -445,15 +434,15 @@ writeTerm(Term t, int p, int depth, int rinfixarg)
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if (!IsPairTerm(ti))
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break;
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t = ti;
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wrputc(',');
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wrputc(',', wglb->writech);
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lastw = separator;
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}
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if (ti != MkAtomTerm(AtomNil)) {
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wrputc('|');
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wrputc('|', wglb->writech);
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lastw = separator;
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writeTerm(TailOfTermCell(t), 999, depth + 1, FALSE);
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writeTerm(TailOfTermCell(t), 999, depth + 1, FALSE, wglb);
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}
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wrputc(']');
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wrputc(']', wglb->writech);
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lastw = separator;
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}
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} else { /* compound term */
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@ -463,6 +452,30 @@ writeTerm(Term t, int p, int depth, int rinfixarg)
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Prop opinfo;
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int op, lp, rp;
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if (IsExtensionFunctor(functor)) {
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switch((CELL)functor) {
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case (CELL)FunctorDouble:
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wrputf(FloatOfTerm(t),wglb->writech);
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return;
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case (CELL)FunctorDBRef:
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wrputref(RefOfTerm(t),wglb->writech);
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return;
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case (CELL)FunctorLongInt:
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wrputn(LongIntOfTerm(t),wglb->writech);
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return;
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#ifdef USE_GMP
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case (CELL)FunctorBigInt:
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{
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char *s = (char *)TR;
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while (s+2+mpz_sizeinbase(Yap_BigIntOfTerm(t), 10) > (char *)Yap_TrailTop)
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Yap_growtrail(64*1024);
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mpz_get_str(s, 10, Yap_BigIntOfTerm(t));
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wrputs(s,wglb->writech);
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}
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return;
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#endif
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}
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}
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Arity = ArityOfFunctor(functor);
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atom = NameOfFunctor(functor);
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opinfo = Yap_GetAProp(atom, OpProperty);
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@ -470,39 +483,39 @@ writeTerm(Term t, int p, int depth, int rinfixarg)
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if (Arity == SFArity) {
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int argno = 1;
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CELL *p = ArgsOfSFTerm(t);
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putAtom(atom);
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wrputc('(');
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putAtom(atom, wglb->Quote_illegal, wglb->writech);
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wrputc('(', wglb->writech);
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lastw = separator;
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while (*p) {
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long sl = 0;
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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);
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user