Fix bug #22216 : B::Deparse can't handle "use Module Version"

[p5sagit/p5-mst-13.2.git] / ext / B / B / Deparse.pm

diff --git a/ext/B/B/Deparse.pm b/ext/B/B/Deparse.pm
index f2de6f7..06d795a 100644 (file)
--- a/ext/B/B/Deparse.pm
+++ b/ext/B/B/Deparse.pm
@@ -326,7 +326,14 @@ sub begin_is_use {
 
        return unless $self->const_sv($constop)->PV eq $module;
        $constop = $constop->sibling;
-       $version = $self->const_sv($constop)->int_value;
+       $version = $self->const_sv($constop);
+       if (class($version) ne "PVMG") {
+           # version is either an integer or a double
+           $version = $version->PV;
+       } else {
+           # version specified as a v-string
+           $version = 'v'.join '.', map ord, split //, $version->PV;
+       }
        $constop = $constop->sibling;
        return if $constop->name ne "method_named";
        return if $self->const_sv($constop)->PV ne "VERSION";
@@ -3184,7 +3191,7 @@ sub single_delim {
 sub const {
     my $sv = shift;
     if (class($sv) eq "SPECIAL") {
-       return ('undef', '1', '0')[$$sv-1]; # sv_undef, sv_yes, sv_no
+       return ('undef', '1', '(!1)')[$$sv-1]; # sv_undef, sv_yes, sv_no
     } elsif (class($sv) eq "NULL") {
        return 'undef';
     } elsif ($sv->FLAGS & SVf_IOK) {