public void setParent ( IParseTree l ) { if ( l != null && ! l . contains ( this ) && getLength ( ) > 0 ) { throw new IllegalArgumentException ( "Attempted set the parent location, but the parent location's area is not a superset of this location's area." ) ; } if ( _pe != null ) { ParsedElement parentElement = ( ParsedElement ) _pe . getParent ( ) ; if ( parentElement != null ) { ParseTree oldParent = parentElement . getLocation ( ) ; if ( oldParent != null ) { oldParent . _children . remove ( this ) ; } } _pe . setParent ( l == null ? null : ( ( ParseTree ) l ) . _pe ) ; } }
Sets the parent location . Note the parent location must cover a superset of the specified location s area .