searchidx: reduce short-lived variables for TermGenerator

We can avoid needless refcount traffic in some cases.

diff --git a/lib/PublicInbox/SearchIdx.pm b/lib/PublicInbox/SearchIdx.pm
index 3415cce41e07ff5bbb35aefc93437583626f539d..cfc2d544fe2be4f9d0efabbc48ea49be410b7053 100644 (file)
--- a/lib/PublicInbox/SearchIdx.pm
+++ b/lib/PublicInbox/SearchIdx.pm
@@ -178,9 +178,8 @@ sub term_generator ($) { # write-only
 sub index_phrase ($$$$) {
        my ($self, $text, $wdf_inc, $prefix) = @_;
 
-       my $tg = term_generator($self);
-       $tg->index_text($text, $wdf_inc, $prefix);
-       $tg->increase_termpos;
+       term_generator($self)->index_text($text, $wdf_inc, $prefix);
+       $self->{term_generator}->increase_termpos;
 }
 
 sub index_text ($$$$) {
@@ -189,8 +188,8 @@ sub index_text ($$$$) {
        if ($self->{indexlevel} eq 'full') {
                index_phrase($self, $text, $wdf_inc, $prefix);
        } else {
-               my $tg = term_generator($self);
-               $tg->index_text_without_positions($text, $wdf_inc, $prefix);
+               term_generator($self)->index_text_without_positions(
+                                       $text, $wdf_inc, $prefix);
        }
 }
 
@@ -457,8 +456,7 @@ sub eml2doc ($$$;$) {
        add_val($doc, PublicInbox::Search::UID(), $smsg->{num});
        add_val($doc, PublicInbox::Search::THREADID, $smsg->{tid});
 
-       my $tg = term_generator($self);
-       $tg->set_document($doc);
+       term_generator($self)->set_document($doc);
        index_headers($self, $smsg);
 
        if (defined(my $eidx_key = $smsg->{eidx_key})) {