even turtles hate PPI

[p5sagit/Devel-REPL.git] / lib / Devel / REPL / Plugin / MultiLine / PPI.pm

diff --git a/lib/Devel/REPL/Plugin/MultiLine/PPI.pm b/lib/Devel/REPL/Plugin/MultiLine/PPI.pm
index a812b27..b7957f0 100644 (file)
--- a/lib/Devel/REPL/Plugin/MultiLine/PPI.pm
+++ b/lib/Devel/REPL/Plugin/MultiLine/PPI.pm
@@ -20,24 +20,33 @@ around 'read' => sub {
   my $line = $self->$orig(@args);
 
   if (defined $line) {
-    while ($self->line_needs_continuation($line)) {
-      my $orig_prompt = $self->prompt;
-      $self->prompt($self->continuation_prompt);
+    return $self->continue_reading_if_necessary($line, @args);
+  } else {
+    return $line;
+  }
+};
+
+sub continue_reading_if_necessary {
+  my ( $self, $line, @args ) = @_;
+
+  while ($self->line_needs_continuation($line)) {
+    my $orig_prompt = $self->prompt;
+    $self->prompt($self->continuation_prompt);
 
-      $self->line_depth($self->line_depth + 1);
-      my $append = $self->read(@args);
-      $self->line_depth($self->line_depth - 1);
+    $self->line_depth($self->line_depth + 1);
+    my $append = $self->read(@args);
+    $self->line_depth($self->line_depth - 1);
 
-      $line .= $append if defined($append);
+    $line .= $append if defined($append);
 
-      $self->prompt($orig_prompt);
+    $self->prompt($orig_prompt);
 
-      # ^D means "shut up and eval already"
-      return $line if !defined($append);
-    }
+    # ^D means "shut up and eval already"
+    return $line if !defined($append);
   }
+
   return $line;
-};
+}
 
 sub line_needs_continuation
 {