ragel spec problem

gistfile1.txt

# Lexer.rl

@stack = [];

%%{

        machine plexer;

        number          = ('+'|'-')?digit+('.'digit)*;

        main := |*

                space => { emit(:SPACE, data, token_array, ts, te) };

                number => {
                        emit(:NUMBER, data, token_array, ts, te)
                };

                "print" => {
                        puts @stack.inspect
                };


        *|;

}%%

%% write data;

def emit(token_type, name, target_array, ts, te)
        @stack << {:type => token_type.to_sym, :name => name[ts..te].pack("c*") }
end

def run_lexer(data)
        data = data.unpack("c*") if(data.is_a?(String))
        eof = data.length
        token_array = []
        %% write init;
        %% write exec;
end

run_lexer('+1 2 -3 4 print 0')


output : 
[{:type=>:NUMBER, :name=>"+1 "}, {:type=>:SPACE, :name=>" 2"}, {:type=>:NUMBER, :name=>"2 "}, {:type=>:SPACE, :name=>" -"}, {:type=>:NUMBER, :name=>"-3 "}, {:type=>:SPACE, :name=>" 4"}, {:type=>:NUMBER, :name=>"4 "}, {:type=>:SPACE, :name=>" p"}]