Merge ../yap-6.2

C/save.c

@@ -608,6 +608,8 @@ do_save(int mode) {
 static Int 
 p_save(void)
 {
+  Int res;
+
 #if defined(YAPOR) && !defined(THREADS)
   if (number_workers != 1) {
     Yap_Error(SYSTEM_ERROR,TermNil,"cannot perform save: more than a worker/thread running");
@@ -620,7 +622,10 @@ p_save(void)
   }
 #endif
   which_save = 1;
-  return(do_save(DO_EVERYTHING));
+  Yap_StartSlots();
+  res = do_save(DO_EVERYTHING);
+  Yap_CloseSlots();
+  return res;
 }
 
 /* Saves a complete prolog environment */

C/write.c

@@ -293,29 +293,30 @@ wrputref(CODEADDR ref, int Quote_illegal, wrf writewch)			/* writes a data base
 
 static int 
 legalAtom(unsigned char *s)			/* Is this a legal atom ? */
-	                  
 {
   wchar_t ch = *s;
 
   if (ch == '\0')
-    return(FALSE);
+    return FALSE;
   if (Yap_chtype[ch] != LC) {
-    if (ch == '[')
-      return (*++s == ']' && !(*++s));
-    else if (ch == '{')
-      return (*++s == '}' && !(*++s));
+    if (ch == '[') {
+      return (s[1] == ']' && !s[2]);
+    } else if (ch == '{') {
+	return (s[1] == '}' && !s[2]);
 //    else if (ch == '/')
 //      return (*++s != '*');
-    else if (Yap_chtype[ch] == SL)
-      return (!*++s);
-    else if ((ch == ',' || ch == '.') && !s[1])
+    } else if (Yap_chtype[ch] == SL) {
+      return (!s[1]);
+    } else if ((ch == ',' || ch == '.') && !s[1]) {
       return FALSE;
-    else
+    } else {
       while (ch) {
-	if (Yap_chtype[ch] != SY)
+	if (Yap_chtype[ch] != SY) {
 	  return FALSE;
+	}
 	ch = *++s;
       }
+    }
     return TRUE;
   } else
     while ((ch = *++s) != 0)

library/block_diagram.yap

@@ -219,7 +219,7 @@
 
 parameter(texts((+inf))).
 parameter(depth((+inf))).
-parameter(default_ext('.dot')).
+parameter(default_ext('.yap')).
 make_diagram(InputFile, OutputFile):-
   tell(OutputFile),
   write('digraph G {\nrankdir=BT'), nl,

library/charsio.yap

@@ -28,7 +28,8 @@
 	open_chars_stream/2,
 	with_output_to_chars/2,
 	with_output_to_chars/3,
-	with_output_to_chars/4
+	with_output_to_chars/4,
+ term_to_atom/2 
     ]).
 
 :- meta_predicate(with_output_to_chars(0,?)).