Make parser_free() be called slightly later,
[p5sagit/p5-mst-13.2.git] / op.c
diff --git a/op.c b/op.c
index c10bf95..f05be0b 100644 (file)
--- a/op.c
+++ b/op.c
@@ -3925,6 +3925,17 @@ Perl_newASSIGNOP(pTHX_ I32 flags, OP *left, I32 optype, OP *right)
                lop = lop->op_sibling;
            }
        }
+       else if (((left->op_private & (OPpLVAL_INTRO | OPpPAD_STATE))
+                   == (OPpLVAL_INTRO | OPpPAD_STATE))
+               && (   left->op_type == OP_PADSV
+                   || left->op_type == OP_PADAV
+                   || left->op_type == OP_PADHV
+                   || left->op_type == OP_PADANY))
+       {
+           o->op_private |= OPpASSIGN_STATE;
+           /* hijacking PADSTALE for uninitialized state variables */
+           SvPADSTALE_on(PAD_SVl(left->op_targ));
+       }
 
        if (right && right->op_type == OP_SPLIT) {
            OP* tmpop = ((LISTOP*)right)->op_first;
@@ -6725,6 +6736,22 @@ Perl_ck_defined(pTHX_ OP *o)             /* 19990527 MJD */
 }
 
 OP *
+Perl_ck_readline(pTHX_ OP *o)
+{
+    if (!(o->op_flags & OPf_KIDS)) {
+       OP * const newop
+           = newUNOP(OP_READLINE, 0, newGVOP(OP_GV, 0, PL_argvgv));
+#ifdef PERL_MAD
+       op_getmad(o,newop,'O');
+#else
+       op_free(o);
+#endif
+       return newop;
+    }
+    return o;
+}
+
+OP *
 Perl_ck_rfun(pTHX_ OP *o)
 {
     const OPCODE type = o->op_type;
@@ -6908,8 +6935,18 @@ Perl_ck_open(pTHX_ OP *o)
                o->op_private |= OPpOPEN_OUT_CRLF;
        }
     }
-    if (o->op_type == OP_BACKTICK)
+    if (o->op_type == OP_BACKTICK) {
+       if (!(o->op_flags & OPf_KIDS)) {
+           OP * const newop = newUNOP(OP_BACKTICK, 0, newDEFSVOP());
+#ifdef PERL_MAD
+           op_getmad(o,newop,'O');
+#else
+           op_free(o);
+#endif
+           return newop;
+       }
        return o;
+    }
     {
         /* In case of three-arg dup open remove strictness
          * from the last arg if it is a bareword. */