Setting variable value with select attribute

      <xsl:stylesheet
                  xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                  version="2.0">
            <xsl:output  method="xml"
                        indent="yes"
                        omit-xml-declaration="yes"/>
            <xsl:variable  name="yyy"
                        select="name(/*)"/>

            <xsl:template  match="/aaa">
                  <xsl:apply-templates  select="*"/>
            </xsl:template>

            <xsl:template  match="bbb">
                  <xsl:variable  name="xxx"
                              select="@x"/>
                  <bbb>
                        <local>
                              <xsl:value-of  select="$xxx"/>
                        </local>
                        <global>
                              <xsl:value-of  select="$yyy"/>
                        </global>
                  </bbb>
            </xsl:template>

            <xsl:template  match="ccc">
                  <xsl:variable  name="xxx">
                        <xsl:value-of  select="@x"/>
                  </xsl:variable>
                  <ccc>
                        <local>
                              <xsl:value-of  select="$xxx"/>
                        </local>
                        <global>
                              <xsl:value-of  select="$yyy"/>
                        </global>
                  </ccc>
            </xsl:template>

      </xsl:stylesheet>

      <aaa>
            <bbb  x="111"/>
            <ccc  x="222"/>
      </aaa>

      <bbb>
            <local>111</local>
            <global>aaa</global>
      </bbb>
      <ccc>
            <local>222</local>
            <global>aaa</global>
      </ccc>