devel/p5-B-Debug 1.26 FreeBSD

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
	...