protected String traceChoiceFrame ( ) { if ( bp == 0 ) { return "" ; } int n = data . get ( bp ) ; return "choice: [ n = " + data . get ( bp ) + ", ep = " + data . get ( bp + n + 1 ) + ", cp = " + data . get ( bp + n + 2 ) + ", bp = " + data . get ( bp + n + 3 ) + ", l = " + data . get ( bp + n + 4 ) + ", trp = " + data . get ( bp + n + 5 ) + ", hp = " + data . get ( bp + n + 6 ) + ", b0 = " + data . get ( bp + n + 7 ) ; }
Pretty prints the current choice point frame for debugging purposes .