add UNOP_AUX OP class

This is the same as a UNOP, but with the addition of an op_aux field,
which points to an array of UNOP_AUX_item unions.

It is intended as a general escape mechanism for adding per-op-type extra
fields (or arrays of items) to UNOPs.

Its class character (for regen/opcodes etc) is '+'.

Currently there are no ops of this type; but shortly, OP_MULTIDEREF will
be added, which is the original motivation for this new op type.

1 files changed, 1 insertions, 0 deletions

diff --git a/perl.h b/perl.h
index 8466bc76bd..2a77522c5e 100644
--- a/perl.h
+++ b/perl.h
@@ -2594,6 +2594,7 @@ typedef MEM_SIZE STRLEN;
 typedef struct op OP;
 typedef struct cop COP;
 typedef struct unop UNOP;
+typedef struct unop_aux UNOP_AUX;
 typedef struct binop BINOP;
 typedef struct listop LISTOP;
 typedef struct logop LOGOP;