--- loncom/xml/run.pm	2001/01/04 19:14:10	1.14
+++ loncom/xml/run.pm	2001/10/05 22:27:41	1.19
@@ -2,7 +2,7 @@ package Apache::run;
 
 sub evaluateold {
   my ($expression,$safeeval,$decls) = @_;
-# print "inside2 evaluate $decls with $expression<br>\n";
+# print "inside2 evaluate $decls with $expression<br />\n";
 # gerd's old method interpolates unset vars
 # $safeeval->reval('return qq('.$expression.');');
   unless (defined $expression) { return ''; }
@@ -34,9 +34,9 @@ ENDEVALUATE
 sub evaluate {
   my ($expression,$safeeval,$decls) = @_;
   unless (defined $expression) { return ''; }
+  if (!$Apache::lonxml::evaluate) { return $expression; }
   my $result = '';
   $@='';
-  print $decls
   $safeeval->reval('{'.$decls.';$_=<<\'EXPRESSION\';'."\n".$expression.
 		   "\n".'EXPRESSION'."\n".$EVALUATE_STRING.'}');
 #  $safeeval->reval('{'.$decls.';<< &evaluate(q|'.$expression.'|);}');
@@ -50,13 +50,13 @@ sub evaluate {
 }
 
 sub run {
-  my ($code,$safeeval) = @_;
+  my ($code,$safeeval,$hideerrors) = @_;
 #  print "inside run\n";
   $@='';
   my (@result)=$safeeval->reval($code);
-  if ($@ ne '') { 
-    &Apache::lonxml::error(":$code:caused"); 
-    &Apache::lonxml::error($@); 
+  if ($@ ne '' && !$hideerrors) {
+    &Apache::lonxml::error(":$code:caused");
+    &Apache::lonxml::error($@);
   }
   if ( $#result < '1') {
     return $result[0];
@@ -66,5 +66,29 @@ sub run {
   }
 }
 
+sub dump {
+  my ($target,$safeeval)=@_;
+  my $dump='';
+  foreach my $symname (sort keys %{$safeeval->varglob('main::')}) {
+    if (($symname!~/^\_/) && ($symname!~/\:$/)) {
+      if ($safeeval->reval('defined $'.$symname)) {
+	$dump.='$'.$symname.'='.$safeeval->reval('$'.$symname)."\n";
+      }	
+      if ($safeeval->reval('defined @'.$symname)) {
+	$dump.='@'.$symname.'=('.
+	  $safeeval->reval('join(",",@'.$symname.')').")\n";
+      }
+      if ($safeeval->reval('defined %'.$symname)) {
+	$dump.='%'.$symname.'=(';
+	$dump.=$safeeval->reval('join(",",map { $_."=>".$'.
+				$symname.'{$_} } sort keys %'.
+				$symname.')').")\n";
+      }
+    }
+  }
+  $dump.='';
+  return $dump;
+}
+
 1;
 __END__;