rb32-numo-narray build error: cogen.rb: syntax error, unexpected ':', expecting kEND

[barracuda156]

ruby /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_ruby_rb-numo-narray/rb32-numo-narray/work/destroot/opt/local/lib/ruby3.2/gems/3.2.0/gems/numo-narray-0.9.2.1/ext/numo/narray/gen/cogen.rb -l -o t_bit.c /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_ruby_rb-numo-narray/rb32-numo-narray/work/destroot/opt/local/lib/ruby3.2/gems/3.2.0/gems/numo-narray-0.9.2.1/ext/numo/narray/gen/def/bit.rb
/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_ruby_rb-numo-narray/rb32-numo-narray/work/destroot/opt/local/lib/ruby3.2/gems/3.2.0/gems/numo-narray-0.9.2.1/ext/numo/narray/gen/cogen.rb:45: syntax error, unexpected ':', expecting kEND
  set line_number: $line_number
                  ^
/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_ruby_rb-numo-narray/rb32-numo-narray/work/destroot/opt/local/lib/ruby3.2/gems/3.2.0/gems/numo-narray-0.9.2.1/ext/numo/narray/gen/cogen.rb:46: syntax error, unexpected ':', expecting kEND
  set erb_dir: erb_dir
              ^
/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_ruby_rb-numo-narray/rb32-numo-narray/work/destroot/opt/local/lib/ruby3.2/gems/3.2.0/gems/numo-narray-0.9.2.1/ext/numo/narray/gen/cogen.rb:47: syntax error, unexpected ':', expecting kEND
  set erb_suffix: ".c"
                 ^
/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_ruby_rb-numo-narray/rb32-numo-narray/work/destroot/opt/local/lib/ruby3.2/gems/3.2.0/gems/numo-narray-0.9.2.1/ext/numo/narray/gen/cogen.rb:48: syntax error, unexpected ':', expecting kEND
  set ns_var: "mNumo"
             ^
/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_ruby_rb-numo-narray/rb32-numo-narray/work/destroot/opt/local/lib/ruby3.2/gems/3.2.0/gems/numo-narray-0.9.2.1/ext/numo/narray/gen/cogen.rb:50: syntax error, unexpected ':', expecting kEND
  set file_name: $output||""
                ^
/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_ruby_rb-numo-narray/rb32-numo-narray/work/destroot/opt/local/lib/ruby3.2/gems/3.2.0/gems/numo-narray-0.9.2.1/ext/numo/narray/gen/cogen.rb:51: syntax error, unexpected ':', expecting kEND
  set include_files: ["numo/types/#{type_name}.h"]
                    ^
/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_ruby_rb-numo-narray/rb32-numo-narray/work/destroot/opt/local/lib/ruby3.2/gems/3.2.0/gems/numo-narray-0.9.2.1/ext/numo/narray/gen/cogen.rb:52: syntax error, unexpected ':', expecting kEND
  set lib_name: "numo_"+type_name
               ^
/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_ruby_rb-numo-narray/rb32-numo-narray/work/destroot/opt/local/lib/ruby3.2/gems/3.2.0/gems/numo-narray-0.9.2.1/ext/numo/narray/gen/cogen.rb:55: syntax error, unexpected ':', expecting kEND
    set is_simd: true
                ^
/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_ruby_rb-numo-narray/rb32-numo-narray/work/destroot/opt/local/lib/ruby3.2/gems/3.2.0/gems/numo-narray-0.9.2.1/ext/numo/narray/gen/cogen.rb:57: syntax error, unexpected ':', expecting kEND
    set is_simd: false
                ^
make: *** [t_bit.c] Error 1

make failed, exit code 2

​https://github.com/ruby-numo/numo-narray/issues/215