--- a/src/gearsTools/gen_Stub.pl	Tue Jan 28 14:23:29 2020 +0900
+++ b/src/gearsTools/gen_Stub.pl	Tue Jan 28 15:10:22 2020 +0900
@@ -15,4 +15,4 @@
 my $target_cbc_file = shift;
 my $stubManager = Gears::Stub->new(file_name => File::Spec->rel2abs($target_cbc_file));
 
-$stubManager->findInterfacewImpl($stubManager->slup());
+$stubManager->findInterfacewImpl(File::Spec->rel2abs($target_cbc_file));

--- a/src/gearsTools/lib/Gears/Stub.pm	Tue Jan 28 14:23:29 2020 +0900
+++ b/src/gearsTools/lib/Gears/Stub.pm	Tue Jan 28 15:10:22 2020 +0900
@@ -18,35 +18,12 @@
 }
 
 
-sub slup {
-  my $self = shift;
-  my @contents = ();
-  open my $fh, '<', $self->{file_name};
-  while (my $line = <$fh>) {
-    push(@contents,$line);
-  }
-  close $fh;
-  return \@contents;
-}
-
 
 sub findInterfacewImpl {
-  my ($self, $cbc_file_content) = @_;
-  my %findInterfaces;
-
-  extraction_dg_compile_sources
-  #for my $i (0..$#{$cbc_file_content}) {
-  #  my $line = $cbc_file_content->[$i];
-  #  if ($line =~ /#interface\s*"([\w.]+)"/) {
-  #      push(@{$findInterfaces{$1}},[$i, $line]);
-  #      next;
-  #  }
-
-  #  if ($line =~ /data_gear\s*"([\w.]+)"/) {
-  #      push(@{$findInterfaces{$1}},[$i, $line]);
-  #  }
-  #}
-  p %findInterfaces;
+  my $self     = shift;
+  my $cbc_file = shift // $self->{file_name};
+  my $findInterfaces = Gears::Context->extraction_dg_compile_sources([$cbc_file]);
+  p $findInterfaces;
 }
 
 1;