# indent w/ 2 spaces
source: |
  pragma IO_BIND[2:3]
  #pragma  __directive_info__ 0
reference: |
  program
    statementOrScope
      statement
        pragma
          pragma
          IO_BIND[2:3]
    statementOrScope
      statement
        pragma
          #pragma
          __directive_info__ 0
    <EOF>
