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-rw-r--r--c/pl.cpp135
1 files changed, 4 insertions, 131 deletions
diff --git a/c/pl.cpp b/c/pl.cpp
index 7c86d0d..30b70a9 100644
--- a/c/pl.cpp
+++ b/c/pl.cpp
@@ -1,136 +1,9 @@
-#include <stdarg.h>
-#include <string.h>
#include <SWI-Prolog.h>
-#include "defs.h"
-static int Plpv(term_t, const char *, va_list);
-static int Plgv(term_t, const char *, va_list);
-
-/* Call Prolog predicate once. */
-int Pl(const char *szMod, const char *szPred, const char *szFmt, ...)
-{
- int iArity;
- term_t t;
- va_list vl, vl2;
-
- iArity = strlen(szFmt);
- t = PL_new_term_refs(iArity);
-
- va_start(vl, szFmt);
- va_copy(vl2, vl);
-
- if (!Plpv(t, szFmt, vl)) goto f;
- if (!PL_call_predicate(NULL, PL_Q_NORMAL,
- PL_predicate(szPred, iArity, szMod), t))
- goto f;
- if (!Plgv(t, szFmt, vl2)) goto f;
-
- va_end(vl);
- va_end(vl2);
- return 1;
-f: va_end(vl);
- va_end(vl2);
- return 0;
-}
-
-/* Put known values in term. */
-int Plp(term_t t, const char *szFmt, ...)
-{
- int r;
- va_list vl;
- va_start(vl, szFmt);
- r = Plpv(t, szFmt, vl);
- va_end(vl);
- return r;
-}
-int Plpv(term_t t, const char *szFmt, va_list vl)
-{
- int i;
- for (i = 0; szFmt[i]; i++) {
- switch (szFmt[i]) {
- case 'I':
- {
- int x;
- x = va_arg(vl, int);
- if (!PL_put_integer(t+i, x)) return 0;
- break;
- }
- case 'A':
- {
- atom_t x;
- x = va_arg(vl, atom_t);
- if (!PL_put_atom(t+i, x)) return 0;
- break;
- }
- case 'S':
- {
- atom_t a;
- char *x;
- x = va_arg(vl, char *);
- a = PL_new_atom(x);
- if (!PL_put_atom(t+i, a)) return 0;
- break;
- }
- case 'i':
- va_arg(vl, int *);
- break;
- case 'a':
- va_arg(vl, atom_t *);
- break;
- case 's':
- va_arg(vl, char **);
- break;
- }
- }
- return 1;
-}
-
-/* Get unknown values from term. */
-int Plg(term_t t, const char *szFmt, ...)
-{
- int r;
- va_list vl;
- va_start(vl, szFmt);
- r = Plgv(t, szFmt, vl);
- va_end(vl);
- return r;
-}
-int Plgv(term_t t, const char *szFmt, va_list vl)
+int Pl(const char *szMod, const char *szPred)
{
- int i;
- for (i = 0; szFmt[i]; i++) {
- switch (szFmt[i]) {
- case 'i':
- {
- int *lp;
- lp = va_arg(vl, int *);
- if (!PL_get_integer(t+i, lp)) return 0;
- break;
- }
- case 'a':
- {
- atom_t *lp;
- lp = va_arg(vl, atom_t *);
- if (!PL_get_atom(t+i, lp)) return 0;
- break;
- }
- case 's':
- {
- char **lp;
- lp = va_arg(vl, char **);
- if (!PL_get_atom_chars(t+i, lp)) return 0;
- break;
- }
- case 'I':
- va_arg(vl, int);
- break;
- case 'A':
- va_arg(vl, atom_t);
- break;
- case 'S':
- va_arg(vl, char *);
- break;
- }
- }
+ term_t t = PL_new_term_refs(0);
+ if (!PL_call_predicate(NULL, PL_Q_NORMAL, PL_predicate(szPred, 0, szMod), t))
+ return 0;
return 1;
}