parser: expand yy_is_opval[] to include all value types

and rename to yy_type_tab[]. Then use this table to improve stack
dumping with -Dpv

p4raw-id: //depot/perl@29500

6 files changed, 331 insertions, 268 deletions

diff --git a/perly.act b/perly.act
index 64c1922e38..6e35f50dcf 100644
--- a/perly.act
+++ b/perly.act
@@ -1,10 +1,10 @@
 case 2:
-#line 132 "perly.y"
+#line 133 "perly.y"
     { (yyval.ival) = (yyvsp[(1) - (2)].ival); newPROG(block_end((yyvsp[(1) - (2)].ival),(yyvsp[(2) - (2)].opval))); ;}
     break;
 
   case 3:
-#line 137 "perly.y"
+#line 138 "perly.y"
     { if (PL_copline > (line_t)IVAL((yyvsp[(1) - (4)].i_tkval)))
 			      PL_copline = (line_t)IVAL((yyvsp[(1) - (4)].i_tkval));
 			  (yyval.opval) = block_end((yyvsp[(2) - (4)].ival), (yyvsp[(3) - (4)].opval));
@@ -14,24 +14,24 @@ case 2:
     break;
 
   case 4:
-#line 146 "perly.y"
+#line 147 "perly.y"
     { (yyval.ival) = block_start(TRUE); ;}
     break;
 
   case 5:
-#line 150 "perly.y"
+#line 151 "perly.y"
     { (yyval.ival) = (I32) allocmy("$_"); ;}
     break;
 
   case 6:
-#line 154 "perly.y"
+#line 155 "perly.y"
     {
 		    PL_expect = XSTATE; (yyval.ival) = block_start(TRUE);
 		;}
     break;
 
   case 7:
-#line 161 "perly.y"
+#line 162 "perly.y"
     { if (PL_copline > (line_t)IVAL((yyvsp[(1) - (4)].i_tkval)))
 			      PL_copline = (line_t)IVAL((yyvsp[(1) - (4)].i_tkval));
 			  (yyval.opval) = block_end((yyvsp[(2) - (4)].ival), (yyvsp[(3) - (4)].opval));
@@ -41,22 +41,22 @@ case 2:
     break;
 
   case 8:
-#line 170 "perly.y"
+#line 171 "perly.y"
     { (yyval.ival) = block_start(FALSE); ;}
     break;
 
   case 9:
-#line 174 "perly.y"
+#line 175 "perly.y"
     { (yyval.ival) = PL_savestack_ix; ;}
     break;
 
   case 10:
-#line 178 "perly.y"
+#line 179 "perly.y"
     { (yyval.opval) = Nullop; ;}
     break;
 
   case 11:
-#line 180 "perly.y"
+#line 181 "perly.y"
     {
 			(yyval.opval) = IF_MAD(
 				append_list(OP_LINESEQ,
@@ -66,7 +66,7 @@ case 2:
     break;
 
   case 12:
-#line 187 "perly.y"
+#line 188 "perly.y"
     {   LEAVE_SCOPE((yyvsp[(2) - (3)].ival));
 			    (yyval.opval) = append_list(OP_LINESEQ,
 				(LISTOP*)(yyvsp[(1) - (3)].opval), (LISTOP*)(yyvsp[(3) - (3)].opval));
@@ -75,23 +75,23 @@ case 2:
     break;
 
   case 13:
-#line 196 "perly.y"
+#line 197 "perly.y"
     { (yyval.opval) = newSTATEOP(0, PVAL((yyvsp[(1) - (2)].p_tkval)), (yyvsp[(2) - (2)].opval));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].p_tkval),((LISTOP*)(yyval.opval))->op_first,'L'); ;}
     break;
 
   case 15:
-#line 200 "perly.y"
+#line 201 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 16:
-#line 202 "perly.y"
+#line 203 "perly.y"
     { (yyval.opval) = newSTATEOP(0, PVAL((yyvsp[(1) - (2)].p_tkval)), (yyvsp[(2) - (2)].opval)); ;}
     break;
 
   case 17:
-#line 204 "perly.y"
+#line 205 "perly.y"
     {
 			  if (PVAL((yyvsp[(1) - (2)].p_tkval))) {
 			      (yyval.opval) = newSTATEOP(0, PVAL((yyvsp[(1) - (2)].p_tkval)), newOP(OP_NULL, 0));
@@ -111,7 +111,7 @@ case 2:
     break;
 
   case 18:
-#line 221 "perly.y"
+#line 222 "perly.y"
     {
 			  (yyval.opval) = newSTATEOP(0, PVAL((yyvsp[(1) - (3)].p_tkval)), (yyvsp[(2) - (3)].opval));
 			  PL_expect = XSTATE;
@@ -130,45 +130,45 @@ case 2:
     break;
 
   case 19:
-#line 240 "perly.y"
+#line 241 "perly.y"
     { (yyval.opval) = Nullop; ;}
     break;
 
   case 20:
-#line 242 "perly.y"
+#line 243 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 21:
-#line 244 "perly.y"
+#line 245 "perly.y"
     { (yyval.opval) = newLOGOP(OP_AND, 0, (yyvsp[(3) - (3)].opval), (yyvsp[(1) - (3)].opval));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'i');
 			;}
     break;
 
   case 22:
-#line 248 "perly.y"
+#line 249 "perly.y"
     { (yyval.opval) = newLOGOP(OP_OR, 0, (yyvsp[(3) - (3)].opval), (yyvsp[(1) - (3)].opval));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'i');
 			;}
     break;
 
   case 23:
-#line 252 "perly.y"
+#line 253 "perly.y"
     { (yyval.opval) = newLOOPOP(OPf_PARENS, 1, scalar((yyvsp[(3) - (3)].opval)), (yyvsp[(1) - (3)].opval));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'w');
 			;}
     break;
 
   case 24:
-#line 256 "perly.y"
+#line 257 "perly.y"
     { (yyval.opval) = newLOOPOP(OPf_PARENS, 1, (yyvsp[(3) - (3)].opval), (yyvsp[(1) - (3)].opval));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'w');
 			;}
     break;
 
   case 25:
-#line 260 "perly.y"
+#line 261 "perly.y"
     { (yyval.opval) = newFOROP(0, Nullch, (line_t)IVAL((yyvsp[(2) - (3)].i_tkval)),
 					Nullop, (yyvsp[(3) - (3)].opval), (yyvsp[(1) - (3)].opval), Nullop);
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),((LISTOP*)(yyval.opval))->op_first->op_sibling,'w');
@@ -176,19 +176,19 @@ case 2:
     break;
 
   case 26:
-#line 268 "perly.y"
+#line 269 "perly.y"
     { (yyval.opval) = Nullop; ;}
     break;
 
   case 27:
-#line 270 "perly.y"
+#line 271 "perly.y"
     { ((yyvsp[(2) - (2)].opval))->op_flags |= OPf_PARENS; (yyval.opval) = scope((yyvsp[(2) - (2)].opval));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 28:
-#line 274 "perly.y"
+#line 275 "perly.y"
     { PL_copline = (line_t)IVAL((yyvsp[(1) - (6)].i_tkval));
 			    (yyval.opval) = newCONDOP(0, (yyvsp[(3) - (6)].opval), scope((yyvsp[(5) - (6)].opval)), (yyvsp[(6) - (6)].opval));
 			    PL_hints |= HINT_BLOCK_SCOPE;
@@ -199,7 +199,7 @@ case 2:
     break;
 
   case 29:
-#line 285 "perly.y"
+#line 286 "perly.y"
     { PL_copline = (line_t)IVAL((yyvsp[(1) - (7)].i_tkval));
 			    (yyval.opval) = block_end((yyvsp[(3) - (7)].ival),
 				   newCONDOP(0, (yyvsp[(4) - (7)].opval), scope((yyvsp[(6) - (7)].opval)), (yyvsp[(7) - (7)].opval)));
@@ -210,7 +210,7 @@ case 2:
     break;
 
   case 30:
-#line 293 "perly.y"
+#line 294 "perly.y"
     { PL_copline = (line_t)IVAL((yyvsp[(1) - (7)].i_tkval));
 			    (yyval.opval) = block_end((yyvsp[(3) - (7)].ival),
 				   newCONDOP(0, (yyvsp[(4) - (7)].opval), scope((yyvsp[(6) - (7)].opval)), (yyvsp[(7) - (7)].opval)));
@@ -221,30 +221,30 @@ case 2:
     break;
 
   case 31:
-#line 304 "perly.y"
+#line 305 "perly.y"
     { (yyval.opval) = block_end((yyvsp[(3) - (6)].ival),
 		newWHENOP((yyvsp[(4) - (6)].opval), scope((yyvsp[(6) - (6)].opval)))); ;}
     break;
 
   case 32:
-#line 307 "perly.y"
+#line 308 "perly.y"
     { (yyval.opval) = newWHENOP(0, scope((yyvsp[(2) - (2)].opval))); ;}
     break;
 
   case 33:
-#line 312 "perly.y"
+#line 313 "perly.y"
     { (yyval.opval) = Nullop; ;}
     break;
 
   case 34:
-#line 314 "perly.y"
+#line 315 "perly.y"
     { (yyval.opval) = scope((yyvsp[(2) - (2)].opval));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 35:
-#line 321 "perly.y"
+#line 322 "perly.y"
     { OP *innerop;
 			  PL_copline = (line_t)(yyvsp[(2) - (9)].i_tkval);
 			    (yyval.opval) = block_end((yyvsp[(4) - (9)].ival),
@@ -259,7 +259,7 @@ case 2:
     break;
 
   case 36:
-#line 334 "perly.y"
+#line 335 "perly.y"
     { OP *innerop;
 			  PL_copline = (line_t)(yyvsp[(2) - (9)].i_tkval);
 			    (yyval.opval) = block_end((yyvsp[(4) - (9)].ival),
@@ -274,7 +274,7 @@ case 2:
     break;
 
   case 37:
-#line 346 "perly.y"
+#line 347 "perly.y"
     { OP *innerop;
 			  (yyval.opval) = block_end((yyvsp[(4) - (10)].ival),
 			     innerop = newFOROP(0, PVAL((yyvsp[(1) - (10)].p_tkval)), (line_t)IVAL((yyvsp[(2) - (10)].i_tkval)),
@@ -288,7 +288,7 @@ case 2:
     break;
 
   case 38:
-#line 357 "perly.y"
+#line 358 "perly.y"
     { OP *innerop;
 			  (yyval.opval) = block_end((yyvsp[(5) - (9)].ival),
 			     innerop = newFOROP(0, PVAL((yyvsp[(1) - (9)].p_tkval)), (line_t)IVAL((yyvsp[(2) - (9)].i_tkval)),
@@ -301,7 +301,7 @@ case 2:
     break;
 
   case 39:
-#line 367 "perly.y"
+#line 368 "perly.y"
     { OP *innerop;
 			  (yyval.opval) = block_end((yyvsp[(4) - (8)].ival),
 			     innerop = newFOROP(0, PVAL((yyvsp[(1) - (8)].p_tkval)), (line_t)IVAL((yyvsp[(2) - (8)].i_tkval)),
@@ -314,7 +314,7 @@ case 2:
     break;
 
   case 40:
-#line 379 "perly.y"
+#line 380 "perly.y"
     { OP *forop;
 			  PL_copline = (line_t)IVAL((yyvsp[(2) - (12)].i_tkval));
 			  forop = newSTATEOP(0, PVAL((yyvsp[(1) - (12)].p_tkval)),
@@ -351,7 +351,7 @@ case 2:
     break;
 
   case 41:
-#line 413 "perly.y"
+#line 414 "perly.y"
     { (yyval.opval) = newSTATEOP(0, PVAL((yyvsp[(1) - (3)].p_tkval)),
 				 newWHILEOP(0, 1, (LOOP*)Nullop,
 					    NOLINE, Nullop, (yyvsp[(2) - (3)].opval), (yyvsp[(3) - (3)].opval), 0));
@@ -359,7 +359,7 @@ case 2:
     break;
 
   case 42:
-#line 421 "perly.y"
+#line 422 "perly.y"
     { PL_copline = (line_t) (yyvsp[(2) - (8)].i_tkval);
 			    (yyval.opval) = block_end((yyvsp[(4) - (8)].ival),
 				newSTATEOP(0, PVAL((yyvsp[(1) - (8)].p_tkval)),
@@ -368,46 +368,46 @@ case 2:
     break;
 
   case 43:
-#line 430 "perly.y"
+#line 431 "perly.y"
     { (yyval.ival) = (PL_min_intro_pending &&
 			    PL_max_intro_pending >=  PL_min_intro_pending);
 			  intro_my(); ;}
     break;
 
   case 44:
-#line 436 "perly.y"
+#line 437 "perly.y"
     { (yyval.opval) = Nullop; ;}
     break;
 
   case 46:
-#line 442 "perly.y"
+#line 443 "perly.y"
     { YYSTYPE tmplval;
 			  (void)scan_num("1", &tmplval);
 			  (yyval.opval) = tmplval.opval; ;}
     break;
 
   case 48:
-#line 450 "perly.y"
+#line 451 "perly.y"
     { (yyval.opval) = invert(scalar((yyvsp[(1) - (1)].opval))); ;}
     break;
 
   case 49:
-#line 455 "perly.y"
+#line 456 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); intro_my(); ;}
     break;
 
   case 50:
-#line 459 "perly.y"
+#line 460 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); intro_my(); ;}
     break;
 
   case 51:
-#line 463 "perly.y"
+#line 464 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); intro_my(); ;}
     break;
 
   case 52:
-#line 468 "perly.y"
+#line 469 "perly.y"
     {
 #ifdef MAD
 			  YYSTYPE tmplval;
@@ -420,44 +420,44 @@ case 2:
     break;
 
   case 54:
-#line 482 "perly.y"
+#line 483 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 55:
-#line 484 "perly.y"
+#line 485 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 56:
-#line 486 "perly.y"
+#line 487 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 57:
-#line 488 "perly.y"
+#line 489 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 58:
-#line 490 "perly.y"
+#line 491 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 59:
-#line 495 "perly.y"
+#line 496 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 60:
-#line 499 "perly.y"
+#line 500 "perly.y"
     { (yyval.opval) = newOP(OP_NULL,0);
 			  TOKEN_GETMAD((yyvsp[(1) - (1)].i_tkval),(yyval.opval),'p');
 			;}
     break;
 
   case 61:
-#line 505 "perly.y"
+#line 506 "perly.y"
     { SvREFCNT_inc(PL_compcv);
 #ifdef MAD
 			  (yyval.opval) = newFORM((yyvsp[(2) - (4)].ival), (yyvsp[(3) - (4)].opval), (yyvsp[(4) - (4)].opval));
@@ -471,17 +471,17 @@ case 2:
     break;
 
   case 62:
-#line 517 "perly.y"
+#line 518 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 63:
-#line 518 "perly.y"
+#line 519 "perly.y"
     { (yyval.opval) = Nullop; ;}
     break;
 
   case 64:
-#line 523 "perly.y"
+#line 524 "perly.y"
     { SvREFCNT_inc(PL_compcv);
 #ifdef MAD
 			  (yyval.opval) = newMYSUB((yyvsp[(2) - (6)].ival), (yyvsp[(3) - (6)].opval), (yyvsp[(4) - (6)].opval), (yyvsp[(5) - (6)].opval), (yyvsp[(6) - (6)].opval));
@@ -493,7 +493,7 @@ case 2:
     break;
 
   case 65:
-#line 535 "perly.y"
+#line 536 "perly.y"
     { SvREFCNT_inc(PL_compcv);
 #ifdef MAD
 			  OP* o = newSVOP(OP_ANONCODE, 0,
@@ -514,25 +514,25 @@ case 2:
     break;
 
   case 66:
-#line 555 "perly.y"
+#line 556 "perly.y"
     { (yyval.ival) = start_subparse(FALSE, 0);
 			    SAVEFREESV(PL_compcv); ;}
     break;
 
   case 67:
-#line 561 "perly.y"
+#line 562 "perly.y"
     { (yyval.ival) = start_subparse(FALSE, CVf_ANON);
 			    SAVEFREESV(PL_compcv); ;}
     break;
 
   case 68:
-#line 566 "perly.y"
+#line 567 "perly.y"
     { (yyval.ival) = start_subparse(TRUE, 0);
 			    SAVEFREESV(PL_compcv); ;}
     break;
 
   case 69:
-#line 571 "perly.y"
+#line 572 "perly.y"
     { const char *const name = SvPV_nolen_const(((SVOP*)(yyvsp[(1) - (1)].opval))->op_sv);
 			  if (strEQ(name, "BEGIN") || strEQ(name, "END")
 			      || strEQ(name, "INIT") || strEQ(name, "CHECK")
@@ -542,24 +542,24 @@ case 2:
     break;
 
   case 70:
-#line 581 "perly.y"
+#line 582 "perly.y"
     { (yyval.opval) = Nullop; ;}
     break;
 
   case 72:
-#line 587 "perly.y"
+#line 588 "perly.y"
     { (yyval.opval) = Nullop; ;}
     break;
 
   case 73:
-#line 589 "perly.y"
+#line 590 "perly.y"
     { (yyval.opval) = (yyvsp[(2) - (2)].opval);
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),':');
 			;}
     break;
 
   case 74:
-#line 593 "perly.y"
+#line 594 "perly.y"
     { (yyval.opval) = IF_MAD(
 				    newOP(OP_NULL, 0),
 				    Nullop
@@ -569,14 +569,14 @@ case 2:
     break;
 
   case 75:
-#line 603 "perly.y"
+#line 604 "perly.y"
     { (yyval.opval) = (yyvsp[(2) - (2)].opval);
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),':');
 			;}
     break;
 
   case 76:
-#line 607 "perly.y"
+#line 608 "perly.y"
     { (yyval.opval) = IF_MAD(
 				    newOP(OP_NULL, 0),
 				    Nullop
@@ -586,12 +586,12 @@ case 2:
     break;
 
   case 77:
-#line 616 "perly.y"
+#line 617 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 78:
-#line 617 "perly.y"
+#line 618 "perly.y"
     { (yyval.opval) = IF_MAD(
 				    newOP(OP_NULL,0),
 				    Nullop
@@ -602,7 +602,7 @@ case 2:
     break;
 
   case 79:
-#line 627 "perly.y"
+#line 628 "perly.y"
     {
 #ifdef MAD
 			  (yyval.opval) = package((yyvsp[(2) - (3)].opval));
@@ -615,12 +615,12 @@ case 2:
     break;
 
   case 80:
-#line 639 "perly.y"
+#line 640 "perly.y"
     { CvSPECIAL_on(PL_compcv); /* It's a BEGIN {} */ ;}
     break;
 
   case 81:
-#line 641 "perly.y"
+#line 642 "perly.y"
     { SvREFCNT_inc(PL_compcv);
 #ifdef MAD
 			  (yyval.opval) = utilize(IVAL((yyvsp[(1) - (7)].i_tkval)), (yyvsp[(2) - (7)].ival), (yyvsp[(4) - (7)].opval), (yyvsp[(5) - (7)].opval), (yyvsp[(6) - (7)].opval));
@@ -635,28 +635,28 @@ case 2:
     break;
 
   case 82:
-#line 656 "perly.y"
+#line 657 "perly.y"
     { (yyval.opval) = newLOGOP(OP_AND, 0, (yyvsp[(1) - (3)].opval), (yyvsp[(3) - (3)].opval));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 83:
-#line 660 "perly.y"
+#line 661 "perly.y"
     { (yyval.opval) = newLOGOP(IVAL((yyvsp[(2) - (3)].i_tkval)), 0, (yyvsp[(1) - (3)].opval), (yyvsp[(3) - (3)].opval));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 84:
-#line 664 "perly.y"
+#line 665 "perly.y"
     { (yyval.opval) = newLOGOP(OP_DOR, 0, (yyvsp[(1) - (3)].opval), (yyvsp[(3) - (3)].opval));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 86:
-#line 672 "perly.y"
+#line 673 "perly.y"
     {
 #ifdef MAD
 			  OP* op = newNULLLIST();
@@ -669,7 +669,7 @@ case 2:
     break;
 
   case 87:
-#line 682 "perly.y"
+#line 683 "perly.y"
     { 
 			  DO_MAD(
 			      (yyvsp[(3) - (3)].opval) = newUNOP(OP_NULL, 0, (yyvsp[(3) - (3)].opval));
@@ -680,7 +680,7 @@ case 2:
     break;
 
   case 89:
-#line 694 "perly.y"
+#line 695 "perly.y"
     { (yyval.opval) = convert(IVAL((yyvsp[(1) - (3)].i_tkval)), OPf_STACKED,
 				prepend_elem(OP_LIST, newGVREF(IVAL((yyvsp[(1) - (3)].i_tkval)),(yyvsp[(2) - (3)].opval)), (yyvsp[(3) - (3)].opval)) );
 			  TOKEN_GETMAD((yyvsp[(1) - (3)].i_tkval),(yyval.opval),'o');
@@ -688,7 +688,7 @@ case 2:
     break;
 
   case 90:
-#line 699 "perly.y"
+#line 700 "perly.y"
     { (yyval.opval) = convert(IVAL((yyvsp[(1) - (5)].i_tkval)), OPf_STACKED,
 				prepend_elem(OP_LIST, newGVREF(IVAL((yyvsp[(1) - (5)].i_tkval)),(yyvsp[(3) - (5)].opval)), (yyvsp[(4) - (5)].opval)) );
 			  TOKEN_GETMAD((yyvsp[(1) - (5)].i_tkval),(yyval.opval),'o');
@@ -698,7 +698,7 @@ case 2:
     break;
 
   case 91:
-#line 706 "perly.y"
+#line 707 "perly.y"
     { (yyval.opval) = convert(OP_ENTERSUB, OPf_STACKED,
 				append_elem(OP_LIST,
 				    prepend_elem(OP_LIST, scalar((yyvsp[(1) - (6)].opval)), (yyvsp[(5) - (6)].opval)),
@@ -710,7 +710,7 @@ case 2:
     break;
 
   case 92:
-#line 715 "perly.y"
+#line 716 "perly.y"
     { (yyval.opval) = convert(OP_ENTERSUB, OPf_STACKED,
 				append_elem(OP_LIST, scalar((yyvsp[(1) - (3)].opval)),
 				    newUNOP(OP_METHOD, 0, (yyvsp[(3) - (3)].opval))));
@@ -719,7 +719,7 @@ case 2:
     break;
 
   case 93:
-#line 721 "perly.y"
+#line 722 "perly.y"
     { (yyval.opval) = convert(OP_ENTERSUB, OPf_STACKED,
 				append_elem(OP_LIST,
 				    prepend_elem(OP_LIST, (yyvsp[(2) - (3)].opval), (yyvsp[(3) - (3)].opval)),
@@ -728,7 +728,7 @@ case 2:
     break;
 
   case 94:
-#line 727 "perly.y"
+#line 728 "perly.y"
     { (yyval.opval) = convert(OP_ENTERSUB, OPf_STACKED,
 				append_elem(OP_LIST,
 				    prepend_elem(OP_LIST, (yyvsp[(2) - (5)].opval), (yyvsp[(4) - (5)].opval)),
@@ -739,14 +739,14 @@ case 2:
     break;
 
   case 95:
-#line 735 "perly.y"
+#line 736 "perly.y"
     { (yyval.opval) = convert(IVAL((yyvsp[(1) - (2)].i_tkval)), 0, (yyvsp[(2) - (2)].opval));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 96:
-#line 739 "perly.y"
+#line 740 "perly.y"
     { (yyval.opval) = convert(IVAL((yyvsp[(1) - (4)].i_tkval)), 0, (yyvsp[(3) - (4)].opval));
 			  TOKEN_GETMAD((yyvsp[(1) - (4)].i_tkval),(yyval.opval),'o');
 			  TOKEN_GETMAD((yyvsp[(2) - (4)].i_tkval),(yyval.opval),'(');
@@ -755,13 +755,13 @@ case 2:
     break;
 
   case 97:
-#line 745 "perly.y"
+#line 746 "perly.y"
     { SvREFCNT_inc(PL_compcv);
 			  (yyvsp[(3) - (3)].opval) = newANONATTRSUB((yyvsp[(2) - (3)].ival), 0, Nullop, (yyvsp[(3) - (3)].opval)); ;}
     break;
 
   case 98:
-#line 748 "perly.y"
+#line 749 "perly.y"
     { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED,
 				 append_elem(OP_LIST,
 				   prepend_elem(OP_LIST, (yyvsp[(3) - (5)].opval), (yyvsp[(5) - (5)].opval)), (yyvsp[(1) - (5)].opval)));
@@ -769,7 +769,7 @@ case 2:
     break;
 
   case 101:
-#line 763 "perly.y"
+#line 764 "perly.y"
     { (yyval.opval) = newBINOP(OP_GELEM, 0, (yyvsp[(1) - (5)].opval), scalar((yyvsp[(3) - (5)].opval)));
 			    PL_expect = XOPERATOR;
 			  TOKEN_GETMAD((yyvsp[(2) - (5)].i_tkval),(yyval.opval),'{');
@@ -779,7 +779,7 @@ case 2:
     break;
 
   case 102:
-#line 770 "perly.y"
+#line 771 "perly.y"
     { (yyval.opval) = newBINOP(OP_AELEM, 0, oopsAV((yyvsp[(1) - (4)].opval)), scalar((yyvsp[(3) - (4)].opval)));
 			  TOKEN_GETMAD((yyvsp[(2) - (4)].i_tkval),(yyval.opval),'[');
 			  TOKEN_GETMAD((yyvsp[(4) - (4)].i_tkval),(yyval.opval),']');
@@ -787,7 +787,7 @@ case 2:
     break;
 
   case 103:
-#line 775 "perly.y"
+#line 776 "perly.y"
     { (yyval.opval) = newBINOP(OP_AELEM, 0,
 					ref(newAVREF((yyvsp[(1) - (5)].opval)),OP_RV2AV),
 					scalar((yyvsp[(4) - (5)].opval)));
@@ -798,7 +798,7 @@ case 2:
     break;
 
   case 104:
-#line 783 "perly.y"
+#line 784 "perly.y"
     { (yyval.opval) = newBINOP(OP_AELEM, 0,
 					ref(newAVREF((yyvsp[(1) - (4)].opval)),OP_RV2AV),
 					scalar((yyvsp[(3) - (4)].opval)));
@@ -808,7 +808,7 @@ case 2:
     break;
 
   case 105:
-#line 790 "perly.y"
+#line 791 "perly.y"
     { (yyval.opval) = newBINOP(OP_HELEM, 0, oopsHV((yyvsp[(1) - (5)].opval)), jmaybe((yyvsp[(3) - (5)].opval)));
 			    PL_expect = XOPERATOR;
 			  TOKEN_GETMAD((yyvsp[(2) - (5)].i_tkval),(yyval.opval),'{');
@@ -818,7 +818,7 @@ case 2:
     break;
 
   case 106:
-#line 797 "perly.y"
+#line 798 "perly.y"
     { (yyval.opval) = newBINOP(OP_HELEM, 0,
 					ref(newHVREF((yyvsp[(1) - (6)].opval)),OP_RV2HV),
 					jmaybe((yyvsp[(4) - (6)].opval)));
@@ -831,7 +831,7 @@ case 2:
     break;
 
   case 107:
-#line 807 "perly.y"
+#line 808 "perly.y"
     { (yyval.opval) = newBINOP(OP_HELEM, 0,
 					ref(newHVREF((yyvsp[(1) - (5)].opval)),OP_RV2HV),
 					jmaybe((yyvsp[(3) - (5)].opval)));
@@ -843,7 +843,7 @@ case 2:
     break;
 
   case 108:
-#line 816 "perly.y"
+#line 817 "perly.y"
     { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED,
 				   newCVREF(0, scalar((yyvsp[(1) - (4)].opval))));
 			  TOKEN_GETMAD((yyvsp[(2) - (4)].i_tkval),(yyval.opval),'a');
@@ -853,7 +853,7 @@ case 2:
     break;
 
   case 109:
-#line 823 "perly.y"
+#line 824 "perly.y"
     { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED,
 				   append_elem(OP_LIST, (yyvsp[(4) - (5)].opval),
 				       newCVREF(0, scalar((yyvsp[(1) - (5)].opval)))));
@@ -864,7 +864,7 @@ case 2:
     break;
 
   case 110:
-#line 832 "perly.y"
+#line 833 "perly.y"
     { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED,
 				   append_elem(OP_LIST, (yyvsp[(3) - (4)].opval),
 					       newCVREF(0, scalar((yyvsp[(1) - (4)].opval)))));
@@ -874,7 +874,7 @@ case 2:
     break;
 
   case 111:
-#line 839 "perly.y"
+#line 840 "perly.y"
     { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED,
 				   newCVREF(0, scalar((yyvsp[(1) - (3)].opval))));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'(');
@@ -883,7 +883,7 @@ case 2:
     break;
 
   case 112:
-#line 845 "perly.y"
+#line 846 "perly.y"
     { (yyval.opval) = newSLICEOP(0, (yyvsp[(5) - (6)].opval), (yyvsp[(2) - (6)].opval));
 			  TOKEN_GETMAD((yyvsp[(1) - (6)].i_tkval),(yyval.opval),'(');
 			  TOKEN_GETMAD((yyvsp[(3) - (6)].i_tkval),(yyval.opval),')');
@@ -893,7 +893,7 @@ case 2:
     break;
 
   case 113:
-#line 852 "perly.y"
+#line 853 "perly.y"
     { (yyval.opval) = newSLICEOP(0, (yyvsp[(4) - (5)].opval), Nullop);
 			  TOKEN_GETMAD((yyvsp[(1) - (5)].i_tkval),(yyval.opval),'(');
 			  TOKEN_GETMAD((yyvsp[(2) - (5)].i_tkval),(yyval.opval),')');
@@ -903,21 +903,21 @@ case 2:
     break;
 
   case 114:
-#line 862 "perly.y"
+#line 863 "perly.y"
     { (yyval.opval) = newASSIGNOP(OPf_STACKED, (yyvsp[(1) - (3)].opval), IVAL((yyvsp[(2) - (3)].i_tkval)), (yyvsp[(3) - (3)].opval));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 115:
-#line 866 "perly.y"
+#line 867 "perly.y"
     { (yyval.opval) = newBINOP(IVAL((yyvsp[(2) - (3)].i_tkval)), 0, scalar((yyvsp[(1) - (3)].opval)), scalar((yyvsp[(3) - (3)].opval)));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 116:
-#line 870 "perly.y"
+#line 871 "perly.y"
     {   if (IVAL((yyvsp[(2) - (3)].i_tkval)) != OP_REPEAT)
 				scalar((yyvsp[(1) - (3)].opval));
 			    (yyval.opval) = newBINOP(IVAL((yyvsp[(2) - (3)].i_tkval)), 0, (yyvsp[(1) - (3)].opval), scalar((yyvsp[(3) - (3)].opval)));
@@ -926,49 +926,49 @@ case 2:
     break;
 
   case 117:
-#line 876 "perly.y"
+#line 877 "perly.y"
     { (yyval.opval) = newBINOP(IVAL((yyvsp[(2) - (3)].i_tkval)), 0, scalar((yyvsp[(1) - (3)].opval)), scalar((yyvsp[(3) - (3)].opval)));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 118:
-#line 880 "perly.y"
+#line 881 "perly.y"
     { (yyval.opval) = newBINOP(IVAL((yyvsp[(2) - (3)].i_tkval)), 0, scalar((yyvsp[(1) - (3)].opval)), scalar((yyvsp[(3) - (3)].opval)));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 119:
-#line 884 "perly.y"
+#line 885 "perly.y"
     { (yyval.opval) = newBINOP(IVAL((yyvsp[(2) - (3)].i_tkval)), 0, scalar((yyvsp[(1) - (3)].opval)), scalar((yyvsp[(3) - (3)].opval)));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 120:
-#line 888 "perly.y"
+#line 889 "perly.y"
     { (yyval.opval) = newBINOP(IVAL((yyvsp[(2) - (3)].i_tkval)), 0, scalar((yyvsp[(1) - (3)].opval)), scalar((yyvsp[(3) - (3)].opval)));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 121:
-#line 892 "perly.y"
+#line 893 "perly.y"
     { (yyval.opval) = newBINOP(IVAL((yyvsp[(2) - (3)].i_tkval)), 0, scalar((yyvsp[(1) - (3)].opval)), scalar((yyvsp[(3) - (3)].opval)));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 122:
-#line 896 "perly.y"
+#line 897 "perly.y"
     { (yyval.opval) = newBINOP(IVAL((yyvsp[(2) - (3)].i_tkval)), 0, scalar((yyvsp[(1) - (3)].opval)), scalar((yyvsp[(3) - (3)].opval)));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 123:
-#line 900 "perly.y"
+#line 901 "perly.y"
     {
 			  (yyval.opval) = newRANGE(IVAL((yyvsp[(2) - (3)].i_tkval)), scalar((yyvsp[(1) - (3)].opval)), scalar((yyvsp[(3) - (3)].opval)));
 			  DO_MAD(
@@ -983,28 +983,28 @@ case 2:
     break;
 
   case 124:
-#line 912 "perly.y"
+#line 913 "perly.y"
     { (yyval.opval) = newLOGOP(OP_AND, 0, (yyvsp[(1) - (3)].opval), (yyvsp[(3) - (3)].opval));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 125:
-#line 916 "perly.y"
+#line 917 "perly.y"
     { (yyval.opval) = newLOGOP(OP_OR, 0, (yyvsp[(1) - (3)].opval), (yyvsp[(3) - (3)].opval));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 126:
-#line 920 "perly.y"
+#line 921 "perly.y"
     { (yyval.opval) = newLOGOP(OP_DOR, 0, (yyvsp[(1) - (3)].opval), (yyvsp[(3) - (3)].opval));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 127:
-#line 924 "perly.y"
+#line 925 "perly.y"
     { (yyval.opval) = bind_match(IVAL((yyvsp[(2) - (3)].i_tkval)), (yyvsp[(1) - (3)].opval), (yyvsp[(3) - (3)].opval));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),
 				((yyval.opval)->op_type == OP_NOT
@@ -1014,14 +1014,14 @@ case 2:
     break;
 
   case 128:
-#line 934 "perly.y"
+#line 935 "perly.y"
     { (yyval.opval) = newUNOP(OP_NEGATE, 0, scalar((yyvsp[(2) - (2)].opval)));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 129:
-#line 938 "perly.y"
+#line 939 "perly.y"
     { (yyval.opval) = IF_MAD(
 				    newUNOP(OP_NULL, 0, (yyvsp[(2) - (2)].opval)),
 				    (yyvsp[(2) - (2)].opval)
@@ -1031,21 +1031,21 @@ case 2:
     break;
 
   case 130:
-#line 945 "perly.y"
+#line 946 "perly.y"
     { (yyval.opval) = newUNOP(OP_NOT, 0, scalar((yyvsp[(2) - (2)].opval)));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 131:
-#line 949 "perly.y"
+#line 950 "perly.y"
     { (yyval.opval) = newUNOP(OP_COMPLEMENT, 0, scalar((yyvsp[(2) - (2)].opval)));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 132:
-#line 953 "perly.y"
+#line 954 "perly.y"
     { (yyval.opval) = newUNOP(OP_POSTINC, 0,
 					mod(scalar((yyvsp[(1) - (2)].opval)), OP_POSTINC));
 			  TOKEN_GETMAD((yyvsp[(2) - (2)].i_tkval),(yyval.opval),'o');
@@ -1053,7 +1053,7 @@ case 2:
     break;
 
   case 133:
-#line 958 "perly.y"
+#line 959 "perly.y"
     { (yyval.opval) = newUNOP(OP_POSTDEC, 0,
 					mod(scalar((yyvsp[(1) - (2)].opval)), OP_POSTDEC));
 			  TOKEN_GETMAD((yyvsp[(2) - (2)].i_tkval),(yyval.opval),'o');
@@ -1061,7 +1061,7 @@ case 2:
     break;
 
   case 134:
-#line 963 "perly.y"
+#line 964 "perly.y"
     { (yyval.opval) = newUNOP(OP_PREINC, 0,
 					mod(scalar((yyvsp[(2) - (2)].opval)), OP_PREINC));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'o');
@@ -1069,7 +1069,7 @@ case 2:
     break;
 
   case 135:
-#line 968 "perly.y"
+#line 969 "perly.y"
     { (yyval.opval) = newUNOP(OP_PREDEC, 0,
 					mod(scalar((yyvsp[(2) - (2)].opval)), OP_PREDEC));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'o');
@@ -1077,7 +1077,7 @@ case 2:
     break;
 
   case 136:
-#line 977 "perly.y"
+#line 978 "perly.y"
     { (yyval.opval) = newANONLIST((yyvsp[(2) - (3)].opval));
 			  TOKEN_GETMAD((yyvsp[(1) - (3)].i_tkval),(yyval.opval),'[');
 			  TOKEN_GETMAD((yyvsp[(3) - (3)].i_tkval),(yyval.opval),']');
@@ -1085,7 +1085,7 @@ case 2:
     break;
 
   case 137:
-#line 982 "perly.y"
+#line 983 "perly.y"
     { (yyval.opval) = newANONLIST(Nullop);
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'[');
 			  TOKEN_GETMAD((yyvsp[(2) - (2)].i_tkval),(yyval.opval),']');
@@ -1093,7 +1093,7 @@ case 2:
     break;
 
   case 138:
-#line 987 "perly.y"
+#line 988 "perly.y"
     { (yyval.opval) = newANONHASH((yyvsp[(2) - (4)].opval));
 			  TOKEN_GETMAD((yyvsp[(1) - (4)].i_tkval),(yyval.opval),'{');
 			  TOKEN_GETMAD((yyvsp[(3) - (4)].i_tkval),(yyval.opval),';');
@@ -1102,7 +1102,7 @@ case 2:
     break;
 
   case 139:
-#line 993 "perly.y"
+#line 994 "perly.y"
     { (yyval.opval) = newANONHASH(Nullop);
 			  TOKEN_GETMAD((yyvsp[(1) - (3)].i_tkval),(yyval.opval),'{');
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),';');
@@ -1111,7 +1111,7 @@ case 2:
     break;
 
   case 140:
-#line 999 "perly.y"
+#line 1000 "perly.y"
     { SvREFCNT_inc(PL_compcv);
 			  (yyval.opval) = newANONATTRSUB((yyvsp[(2) - (5)].ival), (yyvsp[(3) - (5)].opval), (yyvsp[(4) - (5)].opval), (yyvsp[(5) - (5)].opval));
 			  TOKEN_GETMAD((yyvsp[(1) - (5)].i_tkval),(yyval.opval),'o');
@@ -1121,21 +1121,21 @@ case 2:
     break;
 
   case 141:
-#line 1010 "perly.y"
+#line 1011 "perly.y"
     { (yyval.opval) = dofile((yyvsp[(2) - (2)].opval), IVAL((yyvsp[(1) - (2)].i_tkval)));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 142:
-#line 1014 "perly.y"
+#line 1015 "perly.y"
     { (yyval.opval) = newUNOP(OP_NULL, OPf_SPECIAL, scope((yyvsp[(2) - (2)].opval)));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'D');
 			;}
     break;
 
   case 143:
-#line 1018 "perly.y"
+#line 1019 "perly.y"
     { (yyval.opval) = newUNOP(OP_ENTERSUB,
 			    OPf_SPECIAL|OPf_STACKED,
 			    prepend_elem(OP_LIST,
@@ -1150,7 +1150,7 @@ case 2:
     break;
 
   case 144:
-#line 1030 "perly.y"
+#line 1031 "perly.y"
     { (yyval.opval) = newUNOP(OP_ENTERSUB,
 			    OPf_SPECIAL|OPf_STACKED,
 			    append_elem(OP_LIST,
@@ -1166,7 +1166,7 @@ case 2:
     break;
 
   case 145:
-#line 1043 "perly.y"
+#line 1044 "perly.y"
     { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_SPECIAL|OPf_STACKED,
 			    prepend_elem(OP_LIST,
 				scalar(newCVREF(0,scalar((yyvsp[(2) - (4)].opval)))), Nullop)); dep();
@@ -1177,7 +1177,7 @@ case 2:
     break;
 
   case 146:
-#line 1051 "perly.y"
+#line 1052 "perly.y"
     { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_SPECIAL|OPf_STACKED,
 			    prepend_elem(OP_LIST,
 				(yyvsp[(4) - (5)].opval),
@@ -1189,7 +1189,7 @@ case 2:
     break;
 
   case 151:
-#line 1067 "perly.y"
+#line 1068 "perly.y"
     { (yyval.opval) = newCONDOP(0, (yyvsp[(1) - (5)].opval), (yyvsp[(3) - (5)].opval), (yyvsp[(5) - (5)].opval));
 			  TOKEN_GETMAD((yyvsp[(2) - (5)].i_tkval),(yyval.opval),'?');
 			  TOKEN_GETMAD((yyvsp[(4) - (5)].i_tkval),(yyval.opval),':');
@@ -1197,26 +1197,26 @@ case 2:
     break;
 
   case 152:
-#line 1072 "perly.y"
+#line 1073 "perly.y"
     { (yyval.opval) = newUNOP(OP_REFGEN, 0, mod((yyvsp[(2) - (2)].opval),OP_REFGEN));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 153:
-#line 1076 "perly.y"
+#line 1077 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 154:
-#line 1078 "perly.y"
+#line 1079 "perly.y"
     { (yyval.opval) = localize((yyvsp[(2) - (2)].opval),IVAL((yyvsp[(1) - (2)].i_tkval)));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'d');
 			;}
     break;
 
   case 155:
-#line 1082 "perly.y"
+#line 1083 "perly.y"
     { (yyval.opval) = sawparens(IF_MAD(newUNOP(OP_NULL,0,(yyvsp[(2) - (3)].opval)), (yyvsp[(2) - (3)].opval)));
 			  TOKEN_GETMAD((yyvsp[(1) - (3)].i_tkval),(yyval.opval),'(');
 			  TOKEN_GETMAD((yyvsp[(3) - (3)].i_tkval),(yyval.opval),')');
@@ -1224,7 +1224,7 @@ case 2:
     break;
 
   case 156:
-#line 1087 "perly.y"
+#line 1088 "perly.y"
     { (yyval.opval) = sawparens(newNULLLIST());
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'(');
 			  TOKEN_GETMAD((yyvsp[(2) - (2)].i_tkval),(yyval.opval),')');
@@ -1232,37 +1232,37 @@ case 2:
     break;
 
   case 157:
-#line 1092 "perly.y"
+#line 1093 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 158:
-#line 1094 "perly.y"
+#line 1095 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 159:
-#line 1096 "perly.y"
+#line 1097 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 160:
-#line 1098 "perly.y"
+#line 1099 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 161:
-#line 1100 "perly.y"
+#line 1101 "perly.y"
     { (yyval.opval) = newUNOP(OP_AV2ARYLEN, 0, ref((yyvsp[(1) - (1)].opval), OP_AV2ARYLEN));;}
     break;
 
   case 162:
-#line 1102 "perly.y"
+#line 1103 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 163:
-#line 1104 "perly.y"
+#line 1105 "perly.y"
     { (yyval.opval) = prepend_elem(OP_ASLICE,
 				newOP(OP_PUSHMARK, 0),
 				    newLISTOP(OP_ASLICE, 0,
@@ -1274,7 +1274,7 @@ case 2:
     break;
 
   case 164:
-#line 1113 "perly.y"
+#line 1114 "perly.y"
     { (yyval.opval) = prepend_elem(OP_HSLICE,
 				newOP(OP_PUSHMARK, 0),
 				    newLISTOP(OP_HSLICE, 0,
@@ -1288,17 +1288,17 @@ case 2:
     break;
 
   case 165:
-#line 1124 "perly.y"
+#line 1125 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 166:
-#line 1126 "perly.y"
+#line 1127 "perly.y"
     { (yyval.opval) = newUNOP(OP_ENTERSUB, 0, scalar((yyvsp[(1) - (1)].opval))); ;}
     break;
 
   case 167:
-#line 1128 "perly.y"
+#line 1129 "perly.y"
     { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED, scalar((yyvsp[(1) - (3)].opval)));
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'(');
 			  TOKEN_GETMAD((yyvsp[(3) - (3)].i_tkval),(yyval.opval),')');
@@ -1306,7 +1306,7 @@ case 2:
     break;
 
   case 168:
-#line 1133 "perly.y"
+#line 1134 "perly.y"
     {
 			  (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED,
 				append_elem(OP_LIST, (yyvsp[(3) - (4)].opval), scalar((yyvsp[(1) - (4)].opval))));
@@ -1322,7 +1322,7 @@ case 2:
     break;
 
   case 169:
-#line 1146 "perly.y"
+#line 1147 "perly.y"
     { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED,
 			    append_elem(OP_LIST, (yyvsp[(3) - (3)].opval), scalar((yyvsp[(2) - (3)].opval))));
 			  TOKEN_GETMAD((yyvsp[(1) - (3)].i_tkval),(yyval.opval),'o');
@@ -1330,7 +1330,7 @@ case 2:
     break;
 
   case 170:
-#line 1151 "perly.y"
+#line 1152 "perly.y"
     { (yyval.opval) = newOP(IVAL((yyvsp[(1) - (1)].i_tkval)), OPf_SPECIAL);
 			    PL_hints |= HINT_BLOCK_SCOPE;
 			  TOKEN_GETMAD((yyvsp[(1) - (1)].i_tkval),(yyval.opval),'o');
@@ -1338,70 +1338,70 @@ case 2:
     break;
 
   case 171:
-#line 1156 "perly.y"
+#line 1157 "perly.y"
     { (yyval.opval) = newLOOPEX(IVAL((yyvsp[(1) - (2)].i_tkval)),(yyvsp[(2) - (2)].opval));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 172:
-#line 1160 "perly.y"
+#line 1161 "perly.y"
     { (yyval.opval) = newUNOP(OP_NOT, 0, scalar((yyvsp[(2) - (2)].opval)));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 173:
-#line 1164 "perly.y"
+#line 1165 "perly.y"
     { (yyval.opval) = newOP(IVAL((yyvsp[(1) - (1)].i_tkval)), 0);
 			  TOKEN_GETMAD((yyvsp[(1) - (1)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 174:
-#line 1168 "perly.y"
+#line 1169 "perly.y"
     { (yyval.opval) = newUNOP(IVAL((yyvsp[(1) - (2)].i_tkval)), 0, (yyvsp[(2) - (2)].opval));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 175:
-#line 1172 "perly.y"
+#line 1173 "perly.y"
     { (yyval.opval) = newUNOP(IVAL((yyvsp[(1) - (2)].i_tkval)), 0, (yyvsp[(2) - (2)].opval));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 176:
-#line 1176 "perly.y"
+#line 1177 "perly.y"
     { (yyval.opval) = newOP(OP_REQUIRE, (yyvsp[(1) - (1)].i_tkval) ? OPf_SPECIAL : 0); ;}
     break;
 
   case 177:
-#line 1178 "perly.y"
+#line 1179 "perly.y"
     { (yyval.opval) = newUNOP(OP_REQUIRE, (yyvsp[(1) - (2)].i_tkval) ? OPf_SPECIAL : 0, (yyvsp[(2) - (2)].opval)); ;}
     break;
 
   case 178:
-#line 1180 "perly.y"
+#line 1181 "perly.y"
     { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED, scalar((yyvsp[(1) - (1)].opval))); ;}
     break;
 
   case 179:
-#line 1182 "perly.y"
+#line 1183 "perly.y"
     { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED,
 			    append_elem(OP_LIST, (yyvsp[(2) - (2)].opval), scalar((yyvsp[(1) - (2)].opval)))); ;}
     break;
 
   case 180:
-#line 1185 "perly.y"
+#line 1186 "perly.y"
     { (yyval.opval) = newOP(IVAL((yyvsp[(1) - (1)].i_tkval)), 0);
 			  TOKEN_GETMAD((yyvsp[(1) - (1)].i_tkval),(yyval.opval),'o');
 			;}
     break;
 
   case 181:
-#line 1189 "perly.y"
+#line 1190 "perly.y"
     { (yyval.opval) = newOP(IVAL((yyvsp[(1) - (3)].i_tkval)), 0);
 			  TOKEN_GETMAD((yyvsp[(1) - (3)].i_tkval),(yyval.opval),'o');
 			  TOKEN_GETMAD((yyvsp[(2) - (3)].i_tkval),(yyval.opval),'(');
@@ -1410,13 +1410,13 @@ case 2:
     break;
 
   case 182:
-#line 1195 "perly.y"
+#line 1196 "perly.y"
     { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED,
 				scalar((yyvsp[(1) - (1)].opval))); ;}
     break;
 
   case 183:
-#line 1198 "perly.y"
+#line 1199 "perly.y"
     { (yyval.opval) = (IVAL((yyvsp[(1) - (3)].i_tkval)) == OP_NOT)
 			    ? newUNOP(IVAL((yyvsp[(1) - (3)].i_tkval)), 0, newSVOP(OP_CONST, 0, newSViv(0)))
 			    : newOP(IVAL((yyvsp[(1) - (3)].i_tkval)), OPf_SPECIAL);
@@ -1428,7 +1428,7 @@ case 2:
     break;
 
   case 184:
-#line 1207 "perly.y"
+#line 1208 "perly.y"
     { (yyval.opval) = newUNOP(IVAL((yyvsp[(1) - (4)].i_tkval)), 0, (yyvsp[(3) - (4)].opval));
 			  TOKEN_GETMAD((yyvsp[(1) - (4)].i_tkval),(yyval.opval),'o');
 			  TOKEN_GETMAD((yyvsp[(2) - (4)].i_tkval),(yyval.opval),'(');
@@ -1437,7 +1437,7 @@ case 2:
     break;
 
   case 185:
-#line 1213 "perly.y"
+#line 1214 "perly.y"
     { (yyval.opval) = pmruntime((yyvsp[(1) - (4)].opval), (yyvsp[(3) - (4)].opval), 1);
 			  TOKEN_GETMAD((yyvsp[(2) - (4)].i_tkval),(yyval.opval),'(');
 			  TOKEN_GETMAD((yyvsp[(4) - (4)].i_tkval),(yyval.opval),')');
@@ -1445,7 +1445,7 @@ case 2:
     break;
 
   case 188:
-#line 1223 "perly.y"
+#line 1224 "perly.y"
     { (yyval.opval) = my_attrs((yyvsp[(2) - (3)].opval),(yyvsp[(3) - (3)].opval));
 			  DO_MAD(
 			      token_getmad((yyvsp[(1) - (3)].i_tkval),(yyval.opval),'d');
@@ -1456,14 +1456,14 @@ case 2:
     break;
 
   case 189:
-#line 1231 "perly.y"
+#line 1232 "perly.y"
     { (yyval.opval) = localize((yyvsp[(2) - (2)].opval),IVAL((yyvsp[(1) - (2)].i_tkval)));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'d');
 			;}
     break;
 
   case 190:
-#line 1238 "perly.y"
+#line 1239 "perly.y"
     { (yyval.opval) = sawparens((yyvsp[(2) - (3)].opval));
 			  TOKEN_GETMAD((yyvsp[(1) - (3)].i_tkval),(yyval.opval),'(');
 			  TOKEN_GETMAD((yyvsp[(3) - (3)].i_tkval),(yyval.opval),')');
@@ -1471,7 +1471,7 @@ case 2:
     break;
 
   case 191:
-#line 1243 "perly.y"
+#line 1244 "perly.y"
     { (yyval.opval) = sawparens(newNULLLIST());
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'(');
 			  TOKEN_GETMAD((yyvsp[(2) - (2)].i_tkval),(yyval.opval),')');
@@ -1479,42 +1479,42 @@ case 2:
     break;
 
   case 192:
-#line 1248 "perly.y"
+#line 1249 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 193:
-#line 1250 "perly.y"
+#line 1251 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 194:
-#line 1252 "perly.y"
+#line 1253 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 195:
-#line 1257 "perly.y"
+#line 1258 "perly.y"
     { (yyval.opval) = Nullop; ;}
     break;
 
   case 196:
-#line 1259 "perly.y"
+#line 1260 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 197:
-#line 1263 "perly.y"
+#line 1264 "perly.y"
     { (yyval.opval) = Nullop; ;}
     break;
 
   case 198:
-#line 1265 "perly.y"
+#line 1266 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
   case 199:
-#line 1267 "perly.y"
+#line 1268 "perly.y"
     {
 #ifdef MAD
 			  OP* op = newNULLLIST();
@@ -1528,69 +1528,69 @@ case 2:
     break;
 
   case 200:
-#line 1282 "perly.y"
+#line 1283 "perly.y"
     { PL_in_my = 0; (yyval.opval) = my((yyvsp[(1) - (1)].opval)); ;}
     break;
 
   case 201:
-#line 1286 "perly.y"
+#line 1287 "perly.y"
     { (yyval.opval) = newCVREF(IVAL((yyvsp[(1) - (2)].i_tkval)),(yyvsp[(2) - (2)].opval));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'&');
 			;}
     break;
 
   case 202:
-#line 1292 "perly.y"
+#line 1293 "perly.y"
     { (yyval.opval) = newSVREF((yyvsp[(2) - (2)].opval));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'$');
 			;}
     break;
 
   case 203:
-#line 1298 "perly.y"
+#line 1299 "perly.y"
     { (yyval.opval) = newAVREF((yyvsp[(2) - (2)].opval));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'@');
 			;}
     break;
 
   case 204:
-#line 1304 "perly.y"
+#line 1305 "perly.y"
     { (yyval.opval) = newHVREF((yyvsp[(2) - (2)].opval));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'%');
 			;}
     break;
 
   case 205:
-#line 1310 "perly.y"
+#line 1311 "perly.y"
     { (yyval.opval) = newAVREF((yyvsp[(2) - (2)].opval));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'l');
 			;}
     break;
 
   case 206:
-#line 1316 "perly.y"
+#line 1317 "perly.y"
     { (yyval.opval) = newGVREF(0,(yyvsp[(2) - (2)].opval));
 			  TOKEN_GETMAD((yyvsp[(1) - (2)].i_tkval),(yyval.opval),'*');
 			;}
     break;
 
   case 207:
-#line 1323 "perly.y"
+#line 1324 "perly.y"
     { (yyval.opval) = scalar((yyvsp[(1) - (1)].opval)); ;}
     break;
 
   case 208:
-#line 1325 "perly.y"
+#line 1326 "perly.y"
     { (yyval.opval) = scalar((yyvsp[(1) - (1)].opval)); ;}
     break;
 
   case 209:
-#line 1327 "perly.y"
+#line 1328 "perly.y"
     { (yyval.opval) = scope((yyvsp[(1) - (1)].opval)); ;}
     break;
 
   case 210:
-#line 1330 "perly.y"
+#line 1331 "perly.y"
     { (yyval.opval) = (yyvsp[(1) - (1)].opval); ;}
     break;
 
diff --git a/perly.c b/perly.c
index 031e947382..b8b582fc3b 100644
--- a/perly.c
+++ b/perly.c
@@ -157,15 +157,28 @@ yy_stack_print (pTHX_ const short *yyss, const short *yyssp, const YYSTYPE *yyvs
 	PerlIO_printf(Perl_debug_log, " %8.8s", yyns[start+i]);
     PerlIO_printf(Perl_debug_log, "\nvalue:");
     for (i=0; i < count; i++) {
-	if (yy_is_opval[yystos[yyss[start+i]]]) {
+	switch (yy_type_tab[yystos[yyss[start+i]]]) {
+	case toketype_opval:
 	    PerlIO_printf(Perl_debug_log, " %8.8s",
 		  yyvs[start+i].opval
 		    ? PL_op_name[yyvs[start+i].opval->op_type]
-		    : "NULL"
+		    : "(NULL)"
 	    );
-	}
-	else
+	    break;
+#ifndef PERL_IN_MADLY_C
+	case toketype_p_tkval:
+	    PerlIO_printf(Perl_debug_log, " %8.8s",
+		  yyvs[start+i].pval ? yyvs[start+i].pval : "(NULL)");
+	    break;
+
+	case toketype_i_tkval:
+#endif
+	case toketype_ival:
+	    PerlIO_printf(Perl_debug_log, " %8"IVdf, yyvs[start+i].ival);
+	    break;
+	default:
 	    PerlIO_printf(Perl_debug_log, " %8"UVxf, (UV)yyvs[start+i].ival);
+	}
     }
     PerlIO_printf(Perl_debug_log, "\n\n");
 }
@@ -658,7 +671,7 @@ Perl_yyparse (pTHX)
 	    /* Pop the rest of the stack.  */
 	    while (yyss < yyssp) {
 		YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp);
-		if (yy_is_opval[yystos[*yyssp]]) {
+		if (yy_type_tab[yystos[*yyssp]] == toketype_opval) {
 		    YYDPRINTF ((Perl_debug_log, "(freeing op)\n"));
 		    op_free(yyvsp->opval);
 		}
@@ -699,7 +712,7 @@ Perl_yyparse (pTHX)
 	    YYABORT;
 
 	YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp);
-	if (yy_is_opval[yystos[*yyssp]]) {
+	if (yy_type_tab[yystos[*yyssp]] == toketype_opval) {
 	    YYDPRINTF ((Perl_debug_log, "(freeing op)\n"));
 	    op_free(yyvsp->opval);
 	}
diff --git a/perly.h b/perly.h
index 0c19d29aa7..73dc4b842c 100644
--- a/perly.h
+++ b/perly.h
@@ -187,7 +187,8 @@
 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 typedef union YYSTYPE
 {
-    I32	ival;
+    I32	ival; /* __DEFAULT__ (marker for regen_perly.pl;
+				must always be 1st union member) */
     char *pval;
     OP *opval;
     GV *gvval;
diff --git a/perly.tab b/perly.tab
index 599b4bc57a..e20aef9fb9 100644
--- a/perly.tab
+++ b/perly.tab
@@ -167,28 +167,28 @@ static const yytype_int16 yyrhs[] =
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const yytype_uint16 yyrline[] =
 {
-       0,   130,   130,   136,   146,   150,   154,   160,   170,   174,
-     178,   179,   186,   195,   198,   199,   201,   203,   220,   239,
-     241,   243,   247,   251,   255,   259,   268,   269,   273,   284,
-     292,   303,   306,   312,   313,   320,   333,   345,   356,   366,
-     376,   412,   420,   430,   436,   437,   442,   445,   449,   454,
-     458,   462,   468,   477,   481,   483,   485,   487,   489,   494,
-     498,   504,   517,   518,   522,   534,   555,   561,   566,   571,
-     581,   582,   587,   588,   592,   602,   606,   616,   617,   626,
-     639,   638,   655,   659,   663,   667,   671,   681,   689,   693,
-     698,   705,   714,   720,   726,   734,   738,   745,   744,   755,
-     756,   760,   769,   774,   782,   789,   796,   806,   815,   822,
-     831,   838,   844,   851,   861,   865,   869,   875,   879,   883,
-     887,   891,   895,   899,   911,   915,   919,   923,   933,   937,
-     944,   948,   952,   957,   962,   967,   976,   981,   986,   992,
-     998,  1009,  1013,  1017,  1029,  1042,  1050,  1062,  1063,  1064,
-    1065,  1066,  1071,  1075,  1077,  1081,  1086,  1091,  1093,  1095,
-    1097,  1099,  1101,  1103,  1112,  1123,  1125,  1127,  1132,  1145,
-    1150,  1155,  1159,  1163,  1167,  1171,  1175,  1177,  1179,  1181,
-    1184,  1188,  1194,  1197,  1206,  1212,  1217,  1218,  1222,  1230,
-    1237,  1242,  1247,  1249,  1251,  1256,  1258,  1263,  1264,  1266,
-    1281,  1285,  1291,  1297,  1303,  1309,  1315,  1322,  1324,  1326,
-    1329
+       0,   131,   131,   137,   147,   151,   155,   161,   171,   175,
+     179,   180,   187,   196,   199,   200,   202,   204,   221,   240,
+     242,   244,   248,   252,   256,   260,   269,   270,   274,   285,
+     293,   304,   307,   313,   314,   321,   334,   346,   357,   367,
+     377,   413,   421,   431,   437,   438,   443,   446,   450,   455,
+     459,   463,   469,   478,   482,   484,   486,   488,   490,   495,
+     499,   505,   518,   519,   523,   535,   556,   562,   567,   572,
+     582,   583,   588,   589,   593,   603,   607,   617,   618,   627,
+     640,   639,   656,   660,   664,   668,   672,   682,   690,   694,
+     699,   706,   715,   721,   727,   735,   739,   746,   745,   756,
+     757,   761,   770,   775,   783,   790,   797,   807,   816,   823,
+     832,   839,   845,   852,   862,   866,   870,   876,   880,   884,
+     888,   892,   896,   900,   912,   916,   920,   924,   934,   938,
+     945,   949,   953,   958,   963,   968,   977,   982,   987,   993,
+     999,  1010,  1014,  1018,  1030,  1043,  1051,  1063,  1064,  1065,
+    1066,  1067,  1072,  1076,  1078,  1082,  1087,  1092,  1094,  1096,
+    1098,  1100,  1102,  1104,  1113,  1124,  1126,  1128,  1133,  1146,
+    1151,  1156,  1160,  1164,  1168,  1172,  1176,  1178,  1180,  1182,
+    1185,  1189,  1195,  1198,  1207,  1213,  1218,  1219,  1223,  1231,
+    1238,  1243,  1248,  1250,  1252,  1257,  1259,  1264,  1265,  1267,
+    1282,  1286,  1292,  1298,  1304,  1310,  1316,  1323,  1325,  1327,
+    1330
 };
 #endif
 
@@ -889,30 +889,35 @@ static const yytype_uint8 yystos[] =
       14,    96,    96,   105,   105,    99,    96,    88,    96,   108,
      105,     4,   112,   105,   113,    87,    87,    96,    96,   102
 };
-/* which symbols are of type opval */
-static const int yy_is_opval[] =
-{
-  0, 0, 0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 1, 1, 1,
-  1, 1, 1, 1, 1, 1,
-  0, 0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0, 0,
-  0, 1, 0, 0, 0, 1,
-  0, 0, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 0, 1, 1, 1,
-  1, 1, 1, 0, 1, 1, 1,
-  1, 1, 1, 0, 0,
-  0, 1, 1, 1, 1,
-  1, 1, 1, 0, 1, 1, 1, 0,
-  1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1,
-  1, 1, 1, 1, 1, 1, 1, 0
 
+typedef enum {
+	toketype_i_tkval, toketype_ival, toketype_opval, toketype_p_tkval
+} toketypes;
+
+/* type of each token/terminal */
+static const toketypes XXX;
+static const toketypes yy_type_tab[] =
+{
+  toketype_ival, toketype_ival, toketype_ival, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval,
+  toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_opval, toketype_opval, toketype_opval,
+  toketype_opval, toketype_opval, toketype_opval, toketype_opval, toketype_opval, toketype_opval,
+  toketype_p_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval,
+  toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval,
+  toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval,
+  toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval,
+  toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval, toketype_i_tkval,
+  toketype_ival, toketype_ival, toketype_ival, toketype_ival, toketype_ival, toketype_ival, toketype_ival, toketype_ival,
+  toketype_ival, toketype_ival, toketype_ival, toketype_ival, toketype_ival, toketype_ival, toketype_ival,
+  toketype_ival, toketype_ival, toketype_ival, toketype_ival, toketype_ival, toketype_ival, toketype_ival,
+  toketype_ival, toketype_ival, toketype_ival, toketype_ival, toketype_ival, toketype_ival, toketype_i_tkval, toketype_ival,
+  toketype_ival, toketype_opval, toketype_ival, toketype_ival, toketype_ival, toketype_opval,
+  toketype_ival, toketype_ival, toketype_opval, toketype_opval, toketype_opval, toketype_opval, toketype_opval,
+  toketype_opval, toketype_opval, toketype_opval, toketype_opval, toketype_ival, toketype_opval, toketype_opval, toketype_opval,
+  toketype_opval, toketype_opval, toketype_opval, toketype_p_tkval, toketype_opval, toketype_opval, toketype_opval,
+  toketype_opval, toketype_opval, toketype_opval, toketype_ival, toketype_ival,
+  toketype_ival, toketype_opval, toketype_opval, toketype_opval, toketype_opval,
+  toketype_opval, toketype_opval, toketype_opval, toketype_ival, toketype_opval, toketype_opval, toketype_opval, toketype_ival,
+  toketype_opval, toketype_opval, toketype_opval, toketype_opval, toketype_opval, toketype_opval,
+  toketype_opval, toketype_opval, toketype_opval, toketype_opval, toketype_opval, toketype_opval,
+  toketype_opval, toketype_opval, toketype_opval, toketype_opval, toketype_opval, toketype_opval, toketype_opval
 };
diff --git a/perly.y b/perly.y
index 231c22ff42..af62341bba 100644
--- a/perly.y
+++ b/perly.y
@@ -43,7 +43,8 @@
 %start prog
 
 %union {
-    I32	ival;
+    I32	ival; /* __DEFAULT__ (marker for regen_perly.pl;
+				must always be 1st union member) */
     char *pval;
     OP *opval;
     GV *gvval;
diff --git a/regen_perly.pl b/regen_perly.pl
index d34a8ade5e..674aa78ae9 100644
--- a/regen_perly.pl
+++ b/regen_perly.pl
@@ -88,7 +88,7 @@ close CTMPFILE;
 
 my ($actlines, $tablines) = extract($clines);
 
-$tablines .= make_opval_tab($y_file, $tablines);
+$tablines .= make_type_tab($y_file, $tablines);
 
 chmod 0644, $act_file;
 open ACTFILE, ">$act_file" or die "can't open $act_file: $!\n";
@@ -178,30 +178,61 @@ sub extract {
     return $actlines. "\n", $tablines. "\n";
 }
 
-# read a .y file and extract a list of all the token names and
-# non-terminal names that are declared to be of type opval
-# then scan the string $tablines for the table yytname which gives
-# the token index of each token/non-terminal, then use this to
-# create a new table, indexed by token number, which indicates
-# whether that token is of type opval.
+# Generate a table, yy_type_tab[], that specifies for each token, what
+# type of value it holds.
 #
-# ie given
-# %token <opval> A B
-# %type  <opval> C D
+# Read the .y file and extract a list of all the token names and
+# non-terminal names; then scan the string $tablines for the table yytname,
+# which gives the token index of each token/non-terminal; then use this to
+# create yy_type_tab.
 #
-# and yytname[] = { "A" "B", "C", "D", "E", "F" };
+# ie given (in perly.y),
+#
+#   %token <opval> A
+#   %token <ival>  B
+#   %type  <pval>  C
+#   %type  <opval> D
+#
+# and (in $tablines),
+#
+#   yytname[] = { "A" "B", "C", "D", "E" };
 #
 # then return
-# static const int yy_is_opval[] = { 1, 1, 1, 1, 0, 0 }
+#
+#    typedef enum { toketype_ival, toketype_opval, toketype_pval } toketypes;
+#
+#    static const toketypes yy_type_tab[]
+#          = { toketype_opval, toketype_ival, toketype_pval,
+#                toketype_opval, toketype_ival }
+#
+# where "E" has the default type. The default type is determined
+# by the __DEFAULT__ comment  next to the appropriate union member in
+# perly.y
 
-sub make_opval_tab {
+sub make_type_tab {
     my ($y_file, $tablines) = @_;
     my %tokens;
+    my %types;
+    my $default_token;
     open my $fh, '<', $y_file or die "Can't open $y_file: $!\n";
     while (<$fh>) {
-	next unless s/^%(token|type)\s+<opval>\s+//;
-	$tokens{$_} =1 for (split ' ', $_);
+	if (/__DEFAULT__/) {
+	    m{(\w+) \s* ; \s* /\* \s* __DEFAULT__}x
+		or die "$y_file: can't parse __DEFAULT__ line: $_";
+	    die "$y_file: duplicate __DEFAULT__ line: $_"
+		    if defined $default_token;
+	    $default_token = $1;
+	    next;
+	}
+
+	next unless /^%(token|type)/;
+	s/^%(token|type)\s+<(\w+)>\s+//
+	    or die "$y_file: unparseable token/type line: $_";
+	$tokens{$_} = $2 for (split ' ', $_);
+	$types{$2} = 1;
     }
+    die "$y_file: no __DEFAULT__ token defined\n" unless $default_token;
+    $types{$default_token} = 1;
 
     $tablines =~ /^\Qstatic const char *const yytname[] =\E\n
 	    {\n
@@ -210,17 +241,29 @@ sub make_opval_tab {
 	    /xsm
 	or die "Can't extract yytname[] from table string\n";
     my $fields = $1;
-    $fields =~ s/"([^"]+)"/$tokens{$1}||0/ge;
+    $fields =~ s{"([^"]+)"}
+		{ "toketype_" .
+		    (defined $tokens{$1} ? $tokens{$1} : $default_token)
+		}ge;
+    $fields =~ s/, \s* 0 \s* $//x
+	or die "make_type_tab: couldn't delete trailing ',0'\n";
+
     return 
-	"/* which symbols are of type opval */\n" .
-	"static const int yy_is_opval[] =\n{\n" . $fields . "\n};\n";
+	  "\ntypedef enum {\n\t"
+	. join(", ", map "toketype_$_", sort keys %types)
+	. "\n} toketypes;\n\n"
+	. "/* type of each token/terminal */\n"
+	. "static const toketypes XXX;\n"
+	. "static const toketypes yy_type_tab[] =\n{\n"
+	. $fields
+	. "\n};\n";
 }
 
 
 sub my_system {
     system(@_);
     if ($? == -1) {
-	die "failed to execute comamnd '@_': $!\n";
+	die "failed to execute command '@_': $!\n";
     }
     elsif ($? & 127) {
 	die sprintf "command '@_' died with signal %d\n",