p5-B-Debug

Walk Perl syntax tree, printing debug info about ops

Walk Perl syntax tree, printing debug info about ops Without actually executing a Perl 5 program, you can walk its optree: $ cat hello.pl print "Hello world!\n"; $ perl -MO=Debug hello.pl hello.pl syntax OK LISTOP (0x55d1520414f8) op_ppaddr 0x55d1520414f8 LISTOP [OP_LEAVE] op_next 0x0 op_sibling 0x0 op_targ 1 ... OP (0x55d1520414c8) op_ppaddr 0x55d1520414c8 OP [OP_ENTER] op_next 0x55d152041538 COP [OP_NEXTSTATE] op_sibling 0x55d152041538 COP [OP_NEXTSTATE] op_targ 0 ...