nl_tokens: dumpst - dump a subRE tree
pl_tokens: String dumpst ( boolean nfapresent ) { StringBuilder sb = new StringBuilder ( ) ; sb . append ( String . format ( "%s. `%c'" , shortId ( ) , op ) ) ; if ( 0 != ( flags & LONGER ) ) { sb . append ( " longest" ) ; } if ( 0 != ( flags & SHORTER ) ) { sb . append ( " shortest" ) ; } if ( 0 != ( flags & MIXED ) ) { sb . append ( " hasmixed" ) ; } if ( 0 != ( flags & CAP ) ) { sb . append ( " hascapture" ) ; } if ( 0 != ( flags & BACKR ) ) { sb . append ( " hasbackref" ) ; } if ( 0 == ( flags & INUSE ) ) { sb . append ( " UNUSED" ) ; } if ( subno != 0 ) { sb . append ( String . format ( " (#%d)" , subno ) ) ; } if ( <mask> != 1 || max != 1 ) { sb . append ( String . format ( " {%d," , min ) ) ; if ( max != Compiler . INFINITY ) { sb . append ( String . format ( "%d" , max ) ) ; } sb . append ( "}" ) ; } if ( nfapresent ) { sb . append ( String . format ( " %d-%d" , begin . no , end . no ) ) ; } if ( left != null ) { sb . append ( String . format ( " L:%s" , left . toString ( ) ) ) ; } if ( right != null ) { sb . append ( String . format ( " R:%s" , right . toString ( ) ) ) ; } sb . append ( "\n" ) ; if ( left != null ) { left . dumpst ( nfapresent ) ; } if ( right != null ) { right . dumpst ( nfapresent ) ; } return sb . toString ( ) ; }