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[gawk-diffs] [SCM] gawk branch, feature/namespaces, updated. gawk-4.1.0-


From: Arnold Robbins
Subject: [gawk-diffs] [SCM] gawk branch, feature/namespaces, updated. gawk-4.1.0-3799-g52c4db4
Date: Tue, 11 Dec 2018 23:34:52 -0500 (EST)

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "gawk".

The branch, feature/namespaces has been updated
       via  52c4db4a58e18961b3ed47fd7f78126decb0fd5d (commit)
      from  b627c8c1e8900781c5d943865475f066c56d12c1 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
http://git.sv.gnu.org/cgit/gawk.git/commit/?id=52c4db4a58e18961b3ed47fd7f78126decb0fd5d

commit 52c4db4a58e18961b3ed47fd7f78126decb0fd5d
Author: Arnold D. Robbins <address@hidden>
Date:   Wed Dec 12 06:34:21 2018 +0200

    Polish off comment handling for @namespace statements.

diff --git a/ChangeLog b/ChangeLog
index e7f3d9b..dbb86a1 100755
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,19 @@
+2018-12-12         Arnold D. Robbins     <address@hidden>
+
+       * awk.h: Add new Op_K_namespace opcode for pretty printing.
+       * awkgram.y (namespace_chain): New variable, list of successive
+       @namespace directives seen, for the pretty printer.
+       (namespace_comment): Removed.
+       (set_namespace): Takes comment as second argument, builds the chain.
+       (mk_function, append_rule): Adjust to store the chain.
+       * debug.c (print_ns_list): New function.
+       (print_instruction): Adjust Op_rule and Op_func to use print_ns_list.
+       Add case for Op_K_namespace.
+       * eval.c (optable): Add entry for Op_K_namespace.
+       (opcode2str, op2str): Edit / add leading comments, respectively.
+       * profile.c (pp_namespace_list): New function.
+       (pprint): Adjust code to call pp_namespace_list.
+
 2018-12-06         Arnold D. Robbins     <address@hidden>
 
        * configure.ac: Add -ggdb3 to CFLAGS if developing and remove
diff --git a/awk.h b/awk.h
index 1b9f5bb..1fcf491 100644
--- a/awk.h
+++ b/awk.h
@@ -669,6 +669,7 @@ typedef enum opcodeval {
        Op_K_getline_redir,
        Op_K_getline,
        Op_K_nextfile,
+       Op_K_namespace,
 
        Op_builtin,
        Op_sub_builtin,         /* sub, gsub and gensub */
diff --git a/awkgram.c b/awkgram.c
index 9e4b0d5..1987a0a 100644
--- a/awkgram.c
+++ b/awkgram.c
@@ -98,7 +98,7 @@ static void dumpintlstr(const char *str, size_t len);
 static void dumpintlstr2(const char *str1, size_t len1, const char *str2, 
size_t len2);
 static bool include_source(INSTRUCTION *file, void **srcfile_p);
 static bool load_library(INSTRUCTION *file, void **srcfile_p);
-static void set_namespace(INSTRUCTION *ns);
+static void set_namespace(INSTRUCTION *ns, INSTRUCTION *comment);
 static void next_sourcefile(void);
 static char *tokexpand(void);
 static NODE *set_profile_text(NODE *n, const char *str, size_t len);
@@ -107,7 +107,7 @@ static INSTRUCTION *trailing_comment;
 static INSTRUCTION *outer_comment;
 static INSTRUCTION *interblock_comment;
 static INSTRUCTION *pending_comment;
-static INSTRUCTION *namespace_comment; // from @namespace lines
+static INSTRUCTION *namespace_chain;
 
 #ifdef DEBUG_COMMENTS
 static void
@@ -682,26 +682,26 @@ static const yytype_uint8 yytranslate[] =
 static const yytype_uint16 yyrline[] =
 {
        0,   230,   230,   231,   236,   246,   250,   262,   270,   284,
-     295,   305,   315,   330,   340,   342,   347,   357,   359,   364,
-     366,   368,   374,   378,   383,   413,   425,   437,   443,   452,
-     470,   472,   474,   480,   488,   489,   493,   493,   527,   526,
-     560,   575,   577,   582,   583,   603,   608,   609,   613,   624,
-     629,   636,   744,   795,   845,   971,   992,  1013,  1023,  1033,
-    1043,  1054,  1067,  1085,  1084,  1098,  1116,  1116,  1214,  1214,
-    1247,  1277,  1285,  1286,  1292,  1293,  1300,  1305,  1318,  1333,
-    1335,  1343,  1350,  1352,  1360,  1369,  1371,  1380,  1381,  1389,
-    1394,  1394,  1407,  1413,  1425,  1429,  1451,  1452,  1458,  1459,
-    1468,  1469,  1474,  1479,  1496,  1498,  1500,  1507,  1508,  1514,
-    1515,  1520,  1522,  1529,  1531,  1539,  1544,  1555,  1556,  1561,
-    1563,  1570,  1572,  1580,  1585,  1595,  1596,  1601,  1608,  1612,
-    1614,  1616,  1629,  1646,  1656,  1663,  1665,  1670,  1672,  1674,
-    1682,  1684,  1689,  1691,  1696,  1698,  1700,  1757,  1759,  1761,
-    1763,  1765,  1767,  1769,  1771,  1785,  1790,  1795,  1820,  1826,
-    1828,  1830,  1832,  1834,  1836,  1841,  1845,  1877,  1885,  1891,
-    1897,  1910,  1911,  1912,  1917,  1922,  1926,  1930,  1945,  1966,
-    1971,  2008,  2050,  2051,  2057,  2058,  2063,  2065,  2072,  2089,
-    2106,  2108,  2115,  2120,  2128,  2138,  2150,  2159,  2163,  2168,
-    2172,  2176,  2180,  2185,  2186,  2190,  2194,  2198
+     295,   305,   315,   328,   338,   340,   345,   355,   357,   362,
+     364,   366,   372,   376,   381,   411,   423,   435,   441,   450,
+     468,   470,   472,   478,   486,   487,   491,   491,   525,   524,
+     558,   573,   575,   580,   581,   601,   606,   607,   611,   622,
+     627,   634,   742,   793,   843,   969,   990,  1011,  1021,  1031,
+    1041,  1052,  1065,  1083,  1082,  1096,  1114,  1114,  1212,  1212,
+    1245,  1275,  1283,  1284,  1290,  1291,  1298,  1303,  1316,  1331,
+    1333,  1341,  1348,  1350,  1358,  1367,  1369,  1378,  1379,  1387,
+    1392,  1392,  1405,  1411,  1423,  1427,  1449,  1450,  1456,  1457,
+    1466,  1467,  1472,  1477,  1494,  1496,  1498,  1505,  1506,  1512,
+    1513,  1518,  1520,  1527,  1529,  1537,  1542,  1553,  1554,  1559,
+    1561,  1568,  1570,  1578,  1583,  1593,  1594,  1599,  1606,  1610,
+    1612,  1614,  1627,  1644,  1654,  1661,  1663,  1668,  1670,  1672,
+    1680,  1682,  1687,  1689,  1694,  1696,  1698,  1755,  1757,  1759,
+    1761,  1763,  1765,  1767,  1769,  1783,  1788,  1793,  1818,  1824,
+    1826,  1828,  1830,  1832,  1834,  1839,  1843,  1875,  1883,  1889,
+    1895,  1908,  1909,  1910,  1915,  1920,  1924,  1928,  1943,  1964,
+    1969,  2006,  2048,  2049,  2055,  2056,  2061,  2063,  2070,  2087,
+    2104,  2106,  2113,  2118,  2126,  2136,  2148,  2157,  2161,  2166,
+    2170,  2174,  2178,  2183,  2184,  2188,  2192,  2196
 };
 #endif
 
@@ -2026,17 +2026,15 @@ yyreduce:
                at_seen = false;
 
                // this frees $3 storage in all cases
-               set_namespace((yyvsp[-1]));
-               if ((yyvsp[0]) != NULL)
-                       namespace_comment = (yyvsp[0]);
+               set_namespace((yyvsp[-1]), (yyvsp[0]));
 
                yyerrok;
          }
-#line 2036 "awkgram.c" /* yacc.c:1645  */
+#line 2034 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 13:
-#line 331 "awkgram.y" /* yacc.c:1645  */
+#line 329 "awkgram.y" /* yacc.c:1645  */
     {
                void *srcfile = NULL;
 
@@ -2046,23 +2044,23 @@ yyreduce:
                bcfree((yyvsp[0]));
                (yyval) = (INSTRUCTION *) srcfile;
          }
-#line 2050 "awkgram.c" /* yacc.c:1645  */
+#line 2048 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 14:
-#line 341 "awkgram.y" /* yacc.c:1645  */
+#line 339 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 2056 "awkgram.c" /* yacc.c:1645  */
+#line 2054 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 15:
-#line 343 "awkgram.y" /* yacc.c:1645  */
+#line 341 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 2062 "awkgram.c" /* yacc.c:1645  */
+#line 2060 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 16:
-#line 348 "awkgram.y" /* yacc.c:1645  */
+#line 346 "awkgram.y" /* yacc.c:1645  */
     {
                void *srcfile;
 
@@ -2072,58 +2070,58 @@ yyreduce:
                bcfree((yyvsp[0]));
                (yyval) = (INSTRUCTION *) srcfile;
          }
-#line 2076 "awkgram.c" /* yacc.c:1645  */
+#line 2074 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 17:
-#line 358 "awkgram.y" /* yacc.c:1645  */
+#line 356 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 2082 "awkgram.c" /* yacc.c:1645  */
+#line 2080 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 18:
-#line 360 "awkgram.y" /* yacc.c:1645  */
+#line 358 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 2088 "awkgram.c" /* yacc.c:1645  */
+#line 2086 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 19:
-#line 365 "awkgram.y" /* yacc.c:1645  */
+#line 363 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 2094 "awkgram.c" /* yacc.c:1645  */
+#line 2092 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 20:
-#line 367 "awkgram.y" /* yacc.c:1645  */
+#line 365 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 2100 "awkgram.c" /* yacc.c:1645  */
+#line 2098 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 21:
-#line 369 "awkgram.y" /* yacc.c:1645  */
+#line 367 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 2106 "awkgram.c" /* yacc.c:1645  */
+#line 2104 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 22:
-#line 374 "awkgram.y" /* yacc.c:1645  */
+#line 372 "awkgram.y" /* yacc.c:1645  */
     {
                rule = Rule;
                (yyval) = NULL;
          }
-#line 2115 "awkgram.c" /* yacc.c:1645  */
+#line 2113 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 23:
-#line 379 "awkgram.y" /* yacc.c:1645  */
+#line 377 "awkgram.y" /* yacc.c:1645  */
     {
                rule = Rule;
          }
-#line 2123 "awkgram.c" /* yacc.c:1645  */
+#line 2121 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 24:
-#line 384 "awkgram.y" /* yacc.c:1645  */
+#line 382 "awkgram.y" /* yacc.c:1645  */
     {
                INSTRUCTION *tp;
 
@@ -2153,11 +2151,11 @@ yyreduce:
                        (yyval) = list_append(list_merge((yyvsp[-2]), 
(yyvsp[0])), tp);
                rule = Rule;
          }
-#line 2157 "awkgram.c" /* yacc.c:1645  */
+#line 2155 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 25:
-#line 414 "awkgram.y" /* yacc.c:1645  */
+#line 412 "awkgram.y" /* yacc.c:1645  */
     {
                static int begin_seen = 0;
 
@@ -2169,11 +2167,11 @@ yyreduce:
                (yyvsp[0])->source_file = source;
                (yyval) = (yyvsp[0]);
          }
-#line 2173 "awkgram.c" /* yacc.c:1645  */
+#line 2171 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 26:
-#line 426 "awkgram.y" /* yacc.c:1645  */
+#line 424 "awkgram.y" /* yacc.c:1645  */
     {
                static int end_seen = 0;
 
@@ -2185,31 +2183,31 @@ yyreduce:
                (yyvsp[0])->source_file = source;
                (yyval) = (yyvsp[0]);
          }
-#line 2189 "awkgram.c" /* yacc.c:1645  */
+#line 2187 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 27:
-#line 438 "awkgram.y" /* yacc.c:1645  */
+#line 436 "awkgram.y" /* yacc.c:1645  */
     {
                (yyvsp[0])->in_rule = rule = BEGINFILE;
                (yyvsp[0])->source_file = source;
                (yyval) = (yyvsp[0]);
          }
-#line 2199 "awkgram.c" /* yacc.c:1645  */
+#line 2197 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 28:
-#line 444 "awkgram.y" /* yacc.c:1645  */
+#line 442 "awkgram.y" /* yacc.c:1645  */
     {
                (yyvsp[0])->in_rule = rule = ENDFILE;
                (yyvsp[0])->source_file = source;
                (yyval) = (yyvsp[0]);
          }
-#line 2209 "awkgram.c" /* yacc.c:1645  */
+#line 2207 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 29:
-#line 453 "awkgram.y" /* yacc.c:1645  */
+#line 451 "awkgram.y" /* yacc.c:1645  */
     {
                INSTRUCTION *ip = make_braced_statements((yyvsp[-4]), 
(yyvsp[-3]), (yyvsp[-2]));
 
@@ -2224,48 +2222,48 @@ yyreduce:
 
                (yyval) = ip;
          }
-#line 2228 "awkgram.c" /* yacc.c:1645  */
+#line 2226 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 30:
-#line 471 "awkgram.y" /* yacc.c:1645  */
+#line 469 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 2234 "awkgram.c" /* yacc.c:1645  */
+#line 2232 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 31:
-#line 473 "awkgram.y" /* yacc.c:1645  */
+#line 471 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 2240 "awkgram.c" /* yacc.c:1645  */
+#line 2238 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 32:
-#line 475 "awkgram.y" /* yacc.c:1645  */
+#line 473 "awkgram.y" /* yacc.c:1645  */
     {
                yyerror(_("`%s' is a built-in function, it cannot be 
redefined"),
                                        tokstart);
                YYABORT;
          }
-#line 2250 "awkgram.c" /* yacc.c:1645  */
+#line 2248 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 33:
-#line 481 "awkgram.y" /* yacc.c:1645  */
+#line 479 "awkgram.y" /* yacc.c:1645  */
     {
                (yyval) = (yyvsp[0]);
                at_seen = false;
          }
-#line 2259 "awkgram.c" /* yacc.c:1645  */
+#line 2257 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 36:
-#line 493 "awkgram.y" /* yacc.c:1645  */
+#line 491 "awkgram.y" /* yacc.c:1645  */
     { want_param_names = FUNC_HEADER; }
-#line 2265 "awkgram.c" /* yacc.c:1645  */
+#line 2263 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 37:
-#line 494 "awkgram.y" /* yacc.c:1645  */
+#line 492 "awkgram.y" /* yacc.c:1645  */
     {
                INSTRUCTION *func_comment = NULL;
                // Merge any comments found in the parameter list with those
@@ -2291,17 +2289,17 @@ yyreduce:
                (yyval) = (yyvsp[-6]);
                want_param_names = FUNC_BODY;
          }
-#line 2295 "awkgram.c" /* yacc.c:1645  */
+#line 2293 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 38:
-#line 527 "awkgram.y" /* yacc.c:1645  */
+#line 525 "awkgram.y" /* yacc.c:1645  */
     { want_regexp = true; }
-#line 2301 "awkgram.c" /* yacc.c:1645  */
+#line 2299 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 39:
-#line 529 "awkgram.y" /* yacc.c:1645  */
+#line 527 "awkgram.y" /* yacc.c:1645  */
     {
                  NODE *n, *exp;
                  char *re;
@@ -2330,11 +2328,11 @@ yyreduce:
                  (yyval)->opcode = Op_match_rec;
                  (yyval)->memory = n;
                }
-#line 2334 "awkgram.c" /* yacc.c:1645  */
+#line 2332 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 40:
-#line 561 "awkgram.y" /* yacc.c:1645  */
+#line 559 "awkgram.y" /* yacc.c:1645  */
     {
                  char *re;
                  size_t len;
@@ -2347,23 +2345,23 @@ yyreduce:
                  (yyval)->opcode = Op_push_re;
                  (yyval)->memory = make_typed_regex(re, len);
                }
-#line 2351 "awkgram.c" /* yacc.c:1645  */
+#line 2349 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 41:
-#line 576 "awkgram.y" /* yacc.c:1645  */
+#line 574 "awkgram.y" /* yacc.c:1645  */
     { bcfree((yyvsp[0])); }
-#line 2357 "awkgram.c" /* yacc.c:1645  */
+#line 2355 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 43:
-#line 582 "awkgram.y" /* yacc.c:1645  */
+#line 580 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 2363 "awkgram.c" /* yacc.c:1645  */
+#line 2361 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 44:
-#line 584 "awkgram.y" /* yacc.c:1645  */
+#line 582 "awkgram.y" /* yacc.c:1645  */
     {
                if ((yyvsp[0]) == NULL) {
                        (yyval) = (yyvsp[-1]);
@@ -2383,29 +2381,29 @@ yyreduce:
 
                yyerrok;
          }
-#line 2387 "awkgram.c" /* yacc.c:1645  */
+#line 2385 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 45:
-#line 604 "awkgram.y" /* yacc.c:1645  */
+#line 602 "awkgram.y" /* yacc.c:1645  */
     {  (yyval) = NULL; }
-#line 2393 "awkgram.c" /* yacc.c:1645  */
+#line 2391 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 46:
-#line 608 "awkgram.y" /* yacc.c:1645  */
+#line 606 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 2399 "awkgram.c" /* yacc.c:1645  */
+#line 2397 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 47:
-#line 609 "awkgram.y" /* yacc.c:1645  */
+#line 607 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 2405 "awkgram.c" /* yacc.c:1645  */
+#line 2403 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 48:
-#line 614 "awkgram.y" /* yacc.c:1645  */
+#line 612 "awkgram.y" /* yacc.c:1645  */
     {
                if ((yyvsp[0]) != NULL) {
                        INSTRUCTION *ip;
@@ -2416,31 +2414,31 @@ yyreduce:
                } else
                        (yyval) = NULL;
          }
-#line 2420 "awkgram.c" /* yacc.c:1645  */
+#line 2418 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 49:
-#line 625 "awkgram.y" /* yacc.c:1645  */
+#line 623 "awkgram.y" /* yacc.c:1645  */
     {
                trailing_comment = (yyvsp[0]);  // NULL or comment
                (yyval) = make_braced_statements((yyvsp[-2]), (yyvsp[-1]), 
(yyvsp[0]));
          }
-#line 2429 "awkgram.c" /* yacc.c:1645  */
+#line 2427 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 50:
-#line 630 "awkgram.y" /* yacc.c:1645  */
+#line 628 "awkgram.y" /* yacc.c:1645  */
     {
                if (do_pretty_print)
                        (yyval) = list_prepend((yyvsp[0]), 
instruction(Op_exec_count));
                else
                        (yyval) = (yyvsp[0]);
          }
-#line 2440 "awkgram.c" /* yacc.c:1645  */
+#line 2438 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 51:
-#line 637 "awkgram.y" /* yacc.c:1645  */
+#line 635 "awkgram.y" /* yacc.c:1645  */
     {
                INSTRUCTION *dflt, *curr = NULL, *cexp, *cstmt;
                INSTRUCTION *ip, *nextc, *tbreak;
@@ -2548,11 +2546,11 @@ yyreduce:
                break_allowed--;
                fix_break_continue(ip, tbreak, NULL);
          }
-#line 2552 "awkgram.c" /* yacc.c:1645  */
+#line 2550 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 52:
-#line 745 "awkgram.y" /* yacc.c:1645  */
+#line 743 "awkgram.y" /* yacc.c:1645  */
     {
                /*
                 *    -----------------
@@ -2603,11 +2601,11 @@ yyreduce:
                continue_allowed--;
                fix_break_continue(ip, tbreak, tcont);
          }
-#line 2607 "awkgram.c" /* yacc.c:1645  */
+#line 2605 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 53:
-#line 796 "awkgram.y" /* yacc.c:1645  */
+#line 794 "awkgram.y" /* yacc.c:1645  */
     {
                /*
                 *    -----------------
@@ -2657,11 +2655,11 @@ yyreduce:
                /* else
                        $1 and $4 are NULLs */
          }
-#line 2661 "awkgram.c" /* yacc.c:1645  */
+#line 2659 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 54:
-#line 846 "awkgram.y" /* yacc.c:1645  */
+#line 844 "awkgram.y" /* yacc.c:1645  */
     {
                INSTRUCTION *ip;
                char *var_name = (yyvsp[-5])->lextok;
@@ -2787,11 +2785,11 @@ regular_loop:
                break_allowed--;
                continue_allowed--;
          }
-#line 2791 "awkgram.c" /* yacc.c:1645  */
+#line 2789 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 55:
-#line 972 "awkgram.y" /* yacc.c:1645  */
+#line 970 "awkgram.y" /* yacc.c:1645  */
     {
                if ((yyvsp[-7]) != NULL) {
                        merge_comments((yyvsp[-7]), NULL);
@@ -2812,11 +2810,11 @@ regular_loop:
                break_allowed--;
                continue_allowed--;
          }
-#line 2816 "awkgram.c" /* yacc.c:1645  */
+#line 2814 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 56:
-#line 993 "awkgram.y" /* yacc.c:1645  */
+#line 991 "awkgram.y" /* yacc.c:1645  */
     {
                if ((yyvsp[-6]) != NULL) {
                        merge_comments((yyvsp[-6]), NULL);
@@ -2837,22 +2835,22 @@ regular_loop:
                break_allowed--;
                continue_allowed--;
          }
-#line 2841 "awkgram.c" /* yacc.c:1645  */
+#line 2839 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 57:
-#line 1014 "awkgram.y" /* yacc.c:1645  */
+#line 1012 "awkgram.y" /* yacc.c:1645  */
     {
                if (do_pretty_print)
                        (yyval) = list_prepend((yyvsp[0]), 
instruction(Op_exec_count));
                else
                        (yyval) = (yyvsp[0]);
          }
-#line 2852 "awkgram.c" /* yacc.c:1645  */
+#line 2850 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 58:
-#line 1024 "awkgram.y" /* yacc.c:1645  */
+#line 1022 "awkgram.y" /* yacc.c:1645  */
     {
                if (! break_allowed)
                        error_ln((yyvsp[-1])->source_line,
@@ -2862,11 +2860,11 @@ regular_loop:
                if ((yyvsp[0]) != NULL)
                        (yyval) = list_append((yyval), (yyvsp[0]));
          }
-#line 2866 "awkgram.c" /* yacc.c:1645  */
+#line 2864 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 59:
-#line 1034 "awkgram.y" /* yacc.c:1645  */
+#line 1032 "awkgram.y" /* yacc.c:1645  */
     {
                if (! continue_allowed)
                        error_ln((yyvsp[-1])->source_line,
@@ -2876,11 +2874,11 @@ regular_loop:
                if ((yyvsp[0]) != NULL)
                        (yyval) = list_append((yyval), (yyvsp[0]));
          }
-#line 2880 "awkgram.c" /* yacc.c:1645  */
+#line 2878 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 60:
-#line 1044 "awkgram.y" /* yacc.c:1645  */
+#line 1042 "awkgram.y" /* yacc.c:1645  */
     {
                /* if inside function (rule = 0), resolve context at run-time */
                if (rule && rule != Rule)
@@ -2891,11 +2889,11 @@ regular_loop:
                if ((yyvsp[0]) != NULL)
                        (yyval) = list_append((yyval), (yyvsp[0]));
          }
-#line 2895 "awkgram.c" /* yacc.c:1645  */
+#line 2893 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 61:
-#line 1055 "awkgram.y" /* yacc.c:1645  */
+#line 1053 "awkgram.y" /* yacc.c:1645  */
     {
                /* if inside function (rule = 0), resolve context at run-time */
                if (rule == BEGIN || rule == END || rule == ENDFILE)
@@ -2908,11 +2906,11 @@ regular_loop:
                if ((yyvsp[0]) != NULL)
                        (yyval) = list_append((yyval), (yyvsp[0]));
          }
-#line 2912 "awkgram.c" /* yacc.c:1645  */
+#line 2910 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 62:
-#line 1068 "awkgram.y" /* yacc.c:1645  */
+#line 1066 "awkgram.y" /* yacc.c:1645  */
     {
                /* Initialize the two possible jump targets, the actual target
                 * is resolved at run-time.
@@ -2929,20 +2927,20 @@ regular_loop:
                if ((yyvsp[0]) != NULL)
                        (yyval) = list_append((yyval), (yyvsp[0]));
          }
-#line 2933 "awkgram.c" /* yacc.c:1645  */
+#line 2931 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 63:
-#line 1085 "awkgram.y" /* yacc.c:1645  */
+#line 1083 "awkgram.y" /* yacc.c:1645  */
     {
                if (! in_function)
                        yyerror(_("`return' used outside function context"));
          }
-#line 2942 "awkgram.c" /* yacc.c:1645  */
+#line 2940 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 64:
-#line 1088 "awkgram.y" /* yacc.c:1645  */
+#line 1086 "awkgram.y" /* yacc.c:1645  */
     {
                if ((yyvsp[-1]) == NULL) {
                        (yyval) = list_create((yyvsp[-3]));
@@ -2953,28 +2951,28 @@ regular_loop:
                if ((yyvsp[0]) != NULL)
                        (yyval) = list_append((yyval), (yyvsp[0]));
          }
-#line 2957 "awkgram.c" /* yacc.c:1645  */
+#line 2955 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 65:
-#line 1099 "awkgram.y" /* yacc.c:1645  */
+#line 1097 "awkgram.y" /* yacc.c:1645  */
     {
                if ((yyvsp[0]) != NULL)
                        (yyval) = list_append((yyvsp[-1]), (yyvsp[0]));
                else
                        (yyval) = (yyvsp[-1]);
          }
-#line 2968 "awkgram.c" /* yacc.c:1645  */
+#line 2966 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 66:
-#line 1116 "awkgram.y" /* yacc.c:1645  */
+#line 1114 "awkgram.y" /* yacc.c:1645  */
     { in_print = true; in_parens = 0; }
-#line 2974 "awkgram.c" /* yacc.c:1645  */
+#line 2972 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 67:
-#line 1117 "awkgram.y" /* yacc.c:1645  */
+#line 1115 "awkgram.y" /* yacc.c:1645  */
     {
                /*
                 * Optimization: plain `print' has no expression list, so $3 is 
null.
@@ -3071,17 +3069,17 @@ regular_print:
                        }
                }
          }
-#line 3075 "awkgram.c" /* yacc.c:1645  */
+#line 3073 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 68:
-#line 1214 "awkgram.y" /* yacc.c:1645  */
+#line 1212 "awkgram.y" /* yacc.c:1645  */
     { sub_counter = 0; }
-#line 3081 "awkgram.c" /* yacc.c:1645  */
+#line 3079 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 69:
-#line 1215 "awkgram.y" /* yacc.c:1645  */
+#line 1213 "awkgram.y" /* yacc.c:1645  */
     {
                char *arr = (yyvsp[-2])->lextok;
 
@@ -3114,11 +3112,11 @@ regular_print:
                        (yyval) = list_append(list_append((yyvsp[0]), 
(yyvsp[-2])), (yyvsp[-3]));
                }
          }
-#line 3118 "awkgram.c" /* yacc.c:1645  */
+#line 3116 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 70:
-#line 1252 "awkgram.y" /* yacc.c:1645  */
+#line 1250 "awkgram.y" /* yacc.c:1645  */
     {
                static bool warned = false;
                char *arr = (yyvsp[-1])->lextok;
@@ -3144,54 +3142,54 @@ regular_print:
                                fatal(_("`delete' is not allowed with 
FUNCTAB"));
                }
          }
-#line 3148 "awkgram.c" /* yacc.c:1645  */
+#line 3146 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 71:
-#line 1278 "awkgram.y" /* yacc.c:1645  */
+#line 1276 "awkgram.y" /* yacc.c:1645  */
     {
                (yyval) = optimize_assignment((yyvsp[0]));
          }
-#line 3156 "awkgram.c" /* yacc.c:1645  */
+#line 3154 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 72:
-#line 1285 "awkgram.y" /* yacc.c:1645  */
+#line 1283 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 3162 "awkgram.c" /* yacc.c:1645  */
+#line 3160 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 73:
-#line 1287 "awkgram.y" /* yacc.c:1645  */
+#line 1285 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 3168 "awkgram.c" /* yacc.c:1645  */
+#line 3166 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 74:
-#line 1292 "awkgram.y" /* yacc.c:1645  */
+#line 1290 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 3174 "awkgram.c" /* yacc.c:1645  */
+#line 3172 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 75:
-#line 1294 "awkgram.y" /* yacc.c:1645  */
+#line 1292 "awkgram.y" /* yacc.c:1645  */
     {
                if ((yyvsp[-1]) == NULL)
                        (yyval) = list_create((yyvsp[0]));
                else
                        (yyval) = list_prepend((yyvsp[-1]), (yyvsp[0]));
          }
-#line 3185 "awkgram.c" /* yacc.c:1645  */
+#line 3183 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 76:
-#line 1301 "awkgram.y" /* yacc.c:1645  */
+#line 1299 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 3191 "awkgram.c" /* yacc.c:1645  */
+#line 3189 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 77:
-#line 1306 "awkgram.y" /* yacc.c:1645  */
+#line 1304 "awkgram.y" /* yacc.c:1645  */
     {
                INSTRUCTION *casestmt = (yyvsp[0]);
                if ((yyvsp[0]) == NULL)
@@ -3204,11 +3202,11 @@ regular_print:
                bcfree((yyvsp[-2]));
                (yyval) = (yyvsp[-4]);
          }
-#line 3208 "awkgram.c" /* yacc.c:1645  */
+#line 3206 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 78:
-#line 1319 "awkgram.y" /* yacc.c:1645  */
+#line 1317 "awkgram.y" /* yacc.c:1645  */
     {
                INSTRUCTION *casestmt = (yyvsp[0]);
                if ((yyvsp[0]) == NULL)
@@ -3220,17 +3218,17 @@ regular_print:
                (yyvsp[-3])->comment = (yyvsp[-1]);
                (yyval) = (yyvsp[-3]);
          }
-#line 3224 "awkgram.c" /* yacc.c:1645  */
+#line 3222 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 79:
-#line 1334 "awkgram.y" /* yacc.c:1645  */
+#line 1332 "awkgram.y" /* yacc.c:1645  */
     {  (yyval) = (yyvsp[0]); }
-#line 3230 "awkgram.c" /* yacc.c:1645  */
+#line 3228 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 80:
-#line 1336 "awkgram.y" /* yacc.c:1645  */
+#line 1334 "awkgram.y" /* yacc.c:1645  */
     {
                NODE *n = (yyvsp[0])->memory;
                (void) force_number(n);
@@ -3238,28 +3236,28 @@ regular_print:
                bcfree((yyvsp[-1]));
                (yyval) = (yyvsp[0]);
          }
-#line 3242 "awkgram.c" /* yacc.c:1645  */
+#line 3240 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 81:
-#line 1344 "awkgram.y" /* yacc.c:1645  */
+#line 1342 "awkgram.y" /* yacc.c:1645  */
     {
                NODE *n = (yyvsp[0])->lasti->memory;
                bcfree((yyvsp[-1]));
                add_sign_to_num(n, '+');
                (yyval) = (yyvsp[0]);
          }
-#line 3253 "awkgram.c" /* yacc.c:1645  */
+#line 3251 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 82:
-#line 1351 "awkgram.y" /* yacc.c:1645  */
+#line 1349 "awkgram.y" /* yacc.c:1645  */
     {  (yyval) = (yyvsp[0]); }
-#line 3259 "awkgram.c" /* yacc.c:1645  */
+#line 3257 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 83:
-#line 1353 "awkgram.y" /* yacc.c:1645  */
+#line 1351 "awkgram.y" /* yacc.c:1645  */
     {
                if ((yyvsp[0])->memory->type == Node_regex)
                        (yyvsp[0])->opcode = Op_push_re;
@@ -3267,57 +3265,57 @@ regular_print:
                        (yyvsp[0])->opcode = Op_push;
                (yyval) = (yyvsp[0]);
          }
-#line 3271 "awkgram.c" /* yacc.c:1645  */
+#line 3269 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 84:
-#line 1361 "awkgram.y" /* yacc.c:1645  */
+#line 1359 "awkgram.y" /* yacc.c:1645  */
     {
                assert(((yyvsp[0])->memory->flags & REGEX) == REGEX);
                (yyvsp[0])->opcode = Op_push_re;
                (yyval) = (yyvsp[0]);
          }
-#line 3281 "awkgram.c" /* yacc.c:1645  */
+#line 3279 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 85:
-#line 1370 "awkgram.y" /* yacc.c:1645  */
+#line 1368 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 3287 "awkgram.c" /* yacc.c:1645  */
+#line 3285 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 86:
-#line 1372 "awkgram.y" /* yacc.c:1645  */
+#line 1370 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 3293 "awkgram.c" /* yacc.c:1645  */
+#line 3291 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 88:
-#line 1382 "awkgram.y" /* yacc.c:1645  */
+#line 1380 "awkgram.y" /* yacc.c:1645  */
     {
                (yyval) = (yyvsp[-1]);
          }
-#line 3301 "awkgram.c" /* yacc.c:1645  */
+#line 3299 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 89:
-#line 1389 "awkgram.y" /* yacc.c:1645  */
+#line 1387 "awkgram.y" /* yacc.c:1645  */
     {
                in_print = false;
                in_parens = 0;
                (yyval) = NULL;
          }
-#line 3311 "awkgram.c" /* yacc.c:1645  */
+#line 3309 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 90:
-#line 1394 "awkgram.y" /* yacc.c:1645  */
+#line 1392 "awkgram.y" /* yacc.c:1645  */
     { in_print = false; in_parens = 0; }
-#line 3317 "awkgram.c" /* yacc.c:1645  */
+#line 3315 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 91:
-#line 1395 "awkgram.y" /* yacc.c:1645  */
+#line 1393 "awkgram.y" /* yacc.c:1645  */
     {
                if ((yyvsp[-2])->redir_type == redirect_twoway
                        && (yyvsp[0])->lasti->opcode == Op_K_getline_redir
@@ -3327,21 +3325,21 @@ regular_print:
                        lintwarn(_("concatenation as I/O `>' redirection target 
is ambiguous"));
                (yyval) = list_prepend((yyvsp[0]), (yyvsp[-2]));
          }
-#line 3331 "awkgram.c" /* yacc.c:1645  */
+#line 3329 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 92:
-#line 1408 "awkgram.y" /* yacc.c:1645  */
+#line 1406 "awkgram.y" /* yacc.c:1645  */
     {
                if ((yyvsp[-1]) != NULL)
                        (yyvsp[-5])->comment = (yyvsp[-1]);
                (yyval) = mk_condition((yyvsp[-3]), (yyvsp[-5]), (yyvsp[0]), 
NULL, NULL);
          }
-#line 3341 "awkgram.c" /* yacc.c:1645  */
+#line 3339 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 93:
-#line 1415 "awkgram.y" /* yacc.c:1645  */
+#line 1413 "awkgram.y" /* yacc.c:1645  */
     {
                if ((yyvsp[-4]) != NULL)
                        (yyvsp[-8])->comment = (yyvsp[-4]);
@@ -3349,19 +3347,19 @@ regular_print:
                        (yyvsp[-2])->comment = (yyvsp[-1]);
                (yyval) = mk_condition((yyvsp[-6]), (yyvsp[-8]), (yyvsp[-3]), 
(yyvsp[-2]), (yyvsp[0]));
          }
-#line 3353 "awkgram.c" /* yacc.c:1645  */
+#line 3351 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 94:
-#line 1426 "awkgram.y" /* yacc.c:1645  */
+#line 1424 "awkgram.y" /* yacc.c:1645  */
     {
                (yyval) = (yyvsp[0]);
          }
-#line 3361 "awkgram.c" /* yacc.c:1645  */
+#line 3359 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 95:
-#line 1430 "awkgram.y" /* yacc.c:1645  */
+#line 1428 "awkgram.y" /* yacc.c:1645  */
     {
                if ((yyvsp[-1]) != NULL && (yyvsp[0]) != NULL) {
                        if ((yyvsp[-1])->memory->comment_type == EOL_COMMENT) {
@@ -3379,59 +3377,59 @@ regular_print:
                } else
                        (yyval) = NULL;
          }
-#line 3383 "awkgram.c" /* yacc.c:1645  */
+#line 3381 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 96:
-#line 1451 "awkgram.y" /* yacc.c:1645  */
+#line 1449 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 3389 "awkgram.c" /* yacc.c:1645  */
+#line 3387 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 97:
-#line 1453 "awkgram.y" /* yacc.c:1645  */
+#line 1451 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 3395 "awkgram.c" /* yacc.c:1645  */
+#line 3393 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 98:
-#line 1458 "awkgram.y" /* yacc.c:1645  */
+#line 1456 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 3401 "awkgram.c" /* yacc.c:1645  */
+#line 3399 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 99:
-#line 1460 "awkgram.y" /* yacc.c:1645  */
+#line 1458 "awkgram.y" /* yacc.c:1645  */
     {
                bcfree((yyvsp[-1]));
                (yyval) = (yyvsp[0]);
          }
-#line 3410 "awkgram.c" /* yacc.c:1645  */
+#line 3408 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 100:
-#line 1468 "awkgram.y" /* yacc.c:1645  */
+#line 1466 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 3416 "awkgram.c" /* yacc.c:1645  */
+#line 3414 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 101:
-#line 1470 "awkgram.y" /* yacc.c:1645  */
+#line 1468 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 3422 "awkgram.c" /* yacc.c:1645  */
+#line 3420 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 102:
-#line 1475 "awkgram.y" /* yacc.c:1645  */
+#line 1473 "awkgram.y" /* yacc.c:1645  */
     {
                (yyvsp[0])->param_count = 0;
                (yyval) = list_create((yyvsp[0]));
          }
-#line 3431 "awkgram.c" /* yacc.c:1645  */
+#line 3429 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 103:
-#line 1480 "awkgram.y" /* yacc.c:1645  */
+#line 1478 "awkgram.y" /* yacc.c:1645  */
     {
                if ((yyvsp[-2]) != NULL && (yyvsp[0]) != NULL) {
                        (yyvsp[0])->param_count = 
(yyvsp[-2])->lasti->param_count + 1;
@@ -3448,76 +3446,76 @@ regular_print:
                } else
                        (yyval) = NULL;
          }
-#line 3452 "awkgram.c" /* yacc.c:1645  */
+#line 3450 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 104:
-#line 1497 "awkgram.y" /* yacc.c:1645  */
+#line 1495 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 3458 "awkgram.c" /* yacc.c:1645  */
+#line 3456 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 105:
-#line 1499 "awkgram.y" /* yacc.c:1645  */
+#line 1497 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[-1]); }
-#line 3464 "awkgram.c" /* yacc.c:1645  */
+#line 3462 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 106:
-#line 1501 "awkgram.y" /* yacc.c:1645  */
+#line 1499 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[-2]); }
-#line 3470 "awkgram.c" /* yacc.c:1645  */
+#line 3468 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 107:
-#line 1507 "awkgram.y" /* yacc.c:1645  */
+#line 1505 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 3476 "awkgram.c" /* yacc.c:1645  */
+#line 3474 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 108:
-#line 1509 "awkgram.y" /* yacc.c:1645  */
+#line 1507 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 3482 "awkgram.c" /* yacc.c:1645  */
+#line 3480 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 109:
-#line 1514 "awkgram.y" /* yacc.c:1645  */
+#line 1512 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 3488 "awkgram.c" /* yacc.c:1645  */
+#line 3486 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 110:
-#line 1516 "awkgram.y" /* yacc.c:1645  */
+#line 1514 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 3494 "awkgram.c" /* yacc.c:1645  */
+#line 3492 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 111:
-#line 1521 "awkgram.y" /* yacc.c:1645  */
+#line 1519 "awkgram.y" /* yacc.c:1645  */
     {  (yyval) = mk_expression_list(NULL, (yyvsp[0])); }
-#line 3500 "awkgram.c" /* yacc.c:1645  */
+#line 3498 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 112:
-#line 1523 "awkgram.y" /* yacc.c:1645  */
+#line 1521 "awkgram.y" /* yacc.c:1645  */
     {
                if ((yyvsp[-1]) != NULL)
                        (yyvsp[-2])->lasti->comment = (yyvsp[-1]);
                (yyval) = mk_expression_list((yyvsp[-2]), (yyvsp[0]));
                yyerrok;
          }
-#line 3511 "awkgram.c" /* yacc.c:1645  */
+#line 3509 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 113:
-#line 1530 "awkgram.y" /* yacc.c:1645  */
+#line 1528 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 3517 "awkgram.c" /* yacc.c:1645  */
+#line 3515 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 114:
-#line 1532 "awkgram.y" /* yacc.c:1645  */
+#line 1530 "awkgram.y" /* yacc.c:1645  */
     {
                /*
                 * Returning the expression list instead of NULL lets
@@ -3525,66 +3523,66 @@ regular_print:
                 */
                (yyval) = (yyvsp[-1]);
          }
-#line 3529 "awkgram.c" /* yacc.c:1645  */
+#line 3527 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 115:
-#line 1540 "awkgram.y" /* yacc.c:1645  */
+#line 1538 "awkgram.y" /* yacc.c:1645  */
     {
                /* Ditto */
                (yyval) = mk_expression_list((yyvsp[-2]), (yyvsp[0]));
          }
-#line 3538 "awkgram.c" /* yacc.c:1645  */
+#line 3536 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 116:
-#line 1545 "awkgram.y" /* yacc.c:1645  */
+#line 1543 "awkgram.y" /* yacc.c:1645  */
     {
                /* Ditto */
                if ((yyvsp[-1]) != NULL)
                        (yyvsp[-2])->lasti->comment = (yyvsp[-1]);
                (yyval) = (yyvsp[-2]);
          }
-#line 3549 "awkgram.c" /* yacc.c:1645  */
+#line 3547 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 117:
-#line 1555 "awkgram.y" /* yacc.c:1645  */
+#line 1553 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 3555 "awkgram.c" /* yacc.c:1645  */
+#line 3553 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 118:
-#line 1557 "awkgram.y" /* yacc.c:1645  */
+#line 1555 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 3561 "awkgram.c" /* yacc.c:1645  */
+#line 3559 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 119:
-#line 1562 "awkgram.y" /* yacc.c:1645  */
+#line 1560 "awkgram.y" /* yacc.c:1645  */
     {  (yyval) = mk_expression_list(NULL, (yyvsp[0])); }
-#line 3567 "awkgram.c" /* yacc.c:1645  */
+#line 3565 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 120:
-#line 1564 "awkgram.y" /* yacc.c:1645  */
+#line 1562 "awkgram.y" /* yacc.c:1645  */
     {
                if ((yyvsp[-1]) != NULL)
                        (yyvsp[-2])->lasti->comment = (yyvsp[-1]);
                (yyval) = mk_expression_list((yyvsp[-2]), (yyvsp[0]));
                yyerrok;
          }
-#line 3578 "awkgram.c" /* yacc.c:1645  */
+#line 3576 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 121:
-#line 1571 "awkgram.y" /* yacc.c:1645  */
+#line 1569 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 3584 "awkgram.c" /* yacc.c:1645  */
+#line 3582 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 122:
-#line 1573 "awkgram.y" /* yacc.c:1645  */
+#line 1571 "awkgram.y" /* yacc.c:1645  */
     {
                /*
                 * Returning the expression list instead of NULL lets
@@ -3592,74 +3590,74 @@ regular_print:
                 */
                (yyval) = (yyvsp[-1]);
          }
-#line 3596 "awkgram.c" /* yacc.c:1645  */
+#line 3594 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 123:
-#line 1581 "awkgram.y" /* yacc.c:1645  */
+#line 1579 "awkgram.y" /* yacc.c:1645  */
     {
                /* Ditto */
                (yyval) = mk_expression_list((yyvsp[-2]), (yyvsp[0]));
          }
-#line 3605 "awkgram.c" /* yacc.c:1645  */
+#line 3603 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 124:
-#line 1586 "awkgram.y" /* yacc.c:1645  */
+#line 1584 "awkgram.y" /* yacc.c:1645  */
     {
                /* Ditto */
                if ((yyvsp[-1]) != NULL)
                        (yyvsp[-2])->comment = (yyvsp[-1]);
                (yyval) = (yyvsp[-2]);
          }
-#line 3616 "awkgram.c" /* yacc.c:1645  */
+#line 3614 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 125:
-#line 1595 "awkgram.y" /* yacc.c:1645  */
+#line 1593 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 3622 "awkgram.c" /* yacc.c:1645  */
+#line 3620 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 126:
-#line 1596 "awkgram.y" /* yacc.c:1645  */
+#line 1594 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = list_create((yyvsp[0])); }
-#line 3628 "awkgram.c" /* yacc.c:1645  */
+#line 3626 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 127:
-#line 1602 "awkgram.y" /* yacc.c:1645  */
+#line 1600 "awkgram.y" /* yacc.c:1645  */
     {
                if (do_lint && (yyvsp[0])->lasti->opcode == Op_match_rec)
                        lintwarn_ln((yyvsp[-1])->source_line,
                                _("regular expression on right of assignment"));
                (yyval) = mk_assignment((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1]));
          }
-#line 3639 "awkgram.c" /* yacc.c:1645  */
+#line 3637 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 128:
-#line 1609 "awkgram.y" /* yacc.c:1645  */
+#line 1607 "awkgram.y" /* yacc.c:1645  */
     {
                (yyval) = mk_assignment((yyvsp[-2]), list_create((yyvsp[0])), 
(yyvsp[-1]));
          }
-#line 3647 "awkgram.c" /* yacc.c:1645  */
+#line 3645 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 129:
-#line 1613 "awkgram.y" /* yacc.c:1645  */
+#line 1611 "awkgram.y" /* yacc.c:1645  */
     {  (yyval) = mk_boolean((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3653 "awkgram.c" /* yacc.c:1645  */
+#line 3651 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 130:
-#line 1615 "awkgram.y" /* yacc.c:1645  */
+#line 1613 "awkgram.y" /* yacc.c:1645  */
     {  (yyval) = mk_boolean((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3659 "awkgram.c" /* yacc.c:1645  */
+#line 3657 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 131:
-#line 1617 "awkgram.y" /* yacc.c:1645  */
+#line 1615 "awkgram.y" /* yacc.c:1645  */
     {
                if ((yyvsp[-2])->lasti->opcode == Op_match_rec)
                        warning_ln((yyvsp[-1])->source_line,
@@ -3672,11 +3670,11 @@ regular_print:
                bcfree((yyvsp[0]));
                (yyval) = list_append((yyvsp[-2]), (yyvsp[-1]));
          }
-#line 3676 "awkgram.c" /* yacc.c:1645  */
+#line 3674 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 132:
-#line 1630 "awkgram.y" /* yacc.c:1645  */
+#line 1628 "awkgram.y" /* yacc.c:1645  */
     {
                if ((yyvsp[-2])->lasti->opcode == Op_match_rec)
                        warning_ln((yyvsp[-1])->source_line,
@@ -3693,11 +3691,11 @@ regular_print:
                        (yyval) = list_append(list_merge((yyvsp[-2]), 
(yyvsp[0])), (yyvsp[-1]));
                }
          }
-#line 3697 "awkgram.c" /* yacc.c:1645  */
+#line 3695 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 133:
-#line 1647 "awkgram.y" /* yacc.c:1645  */
+#line 1645 "awkgram.y" /* yacc.c:1645  */
     {
                if (do_lint_old)
                        warning_ln((yyvsp[-1])->source_line,
@@ -3707,91 +3705,91 @@ regular_print:
                (yyvsp[-1])->expr_count = 1;
                (yyval) = list_append(list_merge((yyvsp[-2]), (yyvsp[0])), 
(yyvsp[-1]));
          }
-#line 3711 "awkgram.c" /* yacc.c:1645  */
+#line 3709 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 134:
-#line 1657 "awkgram.y" /* yacc.c:1645  */
+#line 1655 "awkgram.y" /* yacc.c:1645  */
     {
                if (do_lint && (yyvsp[0])->lasti->opcode == Op_match_rec)
                        lintwarn_ln((yyvsp[-1])->source_line,
                                _("regular expression on right of comparison"));
                (yyval) = list_append(list_merge((yyvsp[-2]), (yyvsp[0])), 
(yyvsp[-1]));
          }
-#line 3722 "awkgram.c" /* yacc.c:1645  */
+#line 3720 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 135:
-#line 1664 "awkgram.y" /* yacc.c:1645  */
+#line 1662 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = mk_condition((yyvsp[-4]), (yyvsp[-3]), (yyvsp[-2]), 
(yyvsp[-1]), (yyvsp[0])); }
-#line 3728 "awkgram.c" /* yacc.c:1645  */
+#line 3726 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 136:
-#line 1666 "awkgram.y" /* yacc.c:1645  */
+#line 1664 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 3734 "awkgram.c" /* yacc.c:1645  */
+#line 3732 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 137:
-#line 1671 "awkgram.y" /* yacc.c:1645  */
+#line 1669 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 3740 "awkgram.c" /* yacc.c:1645  */
+#line 3738 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 138:
-#line 1673 "awkgram.y" /* yacc.c:1645  */
+#line 1671 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 3746 "awkgram.c" /* yacc.c:1645  */
+#line 3744 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 139:
-#line 1675 "awkgram.y" /* yacc.c:1645  */
+#line 1673 "awkgram.y" /* yacc.c:1645  */
     {
                (yyvsp[0])->opcode = Op_assign_quotient;
                (yyval) = (yyvsp[0]);
          }
-#line 3755 "awkgram.c" /* yacc.c:1645  */
+#line 3753 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 140:
-#line 1683 "awkgram.y" /* yacc.c:1645  */
+#line 1681 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 3761 "awkgram.c" /* yacc.c:1645  */
+#line 3759 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 141:
-#line 1685 "awkgram.y" /* yacc.c:1645  */
+#line 1683 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 3767 "awkgram.c" /* yacc.c:1645  */
+#line 3765 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 142:
-#line 1690 "awkgram.y" /* yacc.c:1645  */
+#line 1688 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 3773 "awkgram.c" /* yacc.c:1645  */
+#line 3771 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 143:
-#line 1692 "awkgram.y" /* yacc.c:1645  */
+#line 1690 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 3779 "awkgram.c" /* yacc.c:1645  */
+#line 3777 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 144:
-#line 1697 "awkgram.y" /* yacc.c:1645  */
+#line 1695 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 3785 "awkgram.c" /* yacc.c:1645  */
+#line 3783 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 145:
-#line 1699 "awkgram.y" /* yacc.c:1645  */
+#line 1697 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 3791 "awkgram.c" /* yacc.c:1645  */
+#line 3789 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 146:
-#line 1701 "awkgram.y" /* yacc.c:1645  */
+#line 1699 "awkgram.y" /* yacc.c:1645  */
     {
                int count = 2;
                bool is_simple_var = false;
@@ -3845,47 +3843,47 @@ regular_print:
                                max_args = count;
                }
          }
-#line 3849 "awkgram.c" /* yacc.c:1645  */
+#line 3847 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 148:
-#line 1760 "awkgram.y" /* yacc.c:1645  */
+#line 1758 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3855 "awkgram.c" /* yacc.c:1645  */
+#line 3853 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 149:
-#line 1762 "awkgram.y" /* yacc.c:1645  */
+#line 1760 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3861 "awkgram.c" /* yacc.c:1645  */
+#line 3859 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 150:
-#line 1764 "awkgram.y" /* yacc.c:1645  */
+#line 1762 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3867 "awkgram.c" /* yacc.c:1645  */
+#line 3865 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 151:
-#line 1766 "awkgram.y" /* yacc.c:1645  */
+#line 1764 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3873 "awkgram.c" /* yacc.c:1645  */
+#line 3871 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 152:
-#line 1768 "awkgram.y" /* yacc.c:1645  */
+#line 1766 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3879 "awkgram.c" /* yacc.c:1645  */
+#line 3877 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 153:
-#line 1770 "awkgram.y" /* yacc.c:1645  */
+#line 1768 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3885 "awkgram.c" /* yacc.c:1645  */
+#line 3883 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 154:
-#line 1772 "awkgram.y" /* yacc.c:1645  */
+#line 1770 "awkgram.y" /* yacc.c:1645  */
     {
                /*
                 * In BEGINFILE/ENDFILE, allow `getline [var] < file'
@@ -3899,29 +3897,29 @@ regular_print:
                                _("non-redirected `getline' undefined inside 
END action"));
                (yyval) = mk_getline((yyvsp[-2]), (yyvsp[-1]), (yyvsp[0]), 
redirect_input);
          }
-#line 3903 "awkgram.c" /* yacc.c:1645  */
+#line 3901 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 155:
-#line 1786 "awkgram.y" /* yacc.c:1645  */
+#line 1784 "awkgram.y" /* yacc.c:1645  */
     {
                (yyvsp[0])->opcode = Op_postincrement;
                (yyval) = mk_assignment((yyvsp[-1]), NULL, (yyvsp[0]));
          }
-#line 3912 "awkgram.c" /* yacc.c:1645  */
+#line 3910 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 156:
-#line 1791 "awkgram.y" /* yacc.c:1645  */
+#line 1789 "awkgram.y" /* yacc.c:1645  */
     {
                (yyvsp[0])->opcode = Op_postdecrement;
                (yyval) = mk_assignment((yyvsp[-1]), NULL, (yyvsp[0]));
          }
-#line 3921 "awkgram.c" /* yacc.c:1645  */
+#line 3919 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 157:
-#line 1796 "awkgram.y" /* yacc.c:1645  */
+#line 1794 "awkgram.y" /* yacc.c:1645  */
     {
                if (do_lint_old) {
                    warning_ln((yyvsp[-1])->source_line,
@@ -3941,64 +3939,64 @@ regular_print:
                        (yyval) = list_append(list_merge(t, (yyvsp[0])), 
(yyvsp[-1]));
                }
          }
-#line 3945 "awkgram.c" /* yacc.c:1645  */
+#line 3943 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 158:
-#line 1821 "awkgram.y" /* yacc.c:1645  */
+#line 1819 "awkgram.y" /* yacc.c:1645  */
     {
                  (yyval) = mk_getline((yyvsp[-1]), (yyvsp[0]), (yyvsp[-3]), 
(yyvsp[-2])->redir_type);
                  bcfree((yyvsp[-2]));
                }
-#line 3954 "awkgram.c" /* yacc.c:1645  */
+#line 3952 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 159:
-#line 1827 "awkgram.y" /* yacc.c:1645  */
+#line 1825 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3960 "awkgram.c" /* yacc.c:1645  */
+#line 3958 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 160:
-#line 1829 "awkgram.y" /* yacc.c:1645  */
+#line 1827 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3966 "awkgram.c" /* yacc.c:1645  */
+#line 3964 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 161:
-#line 1831 "awkgram.y" /* yacc.c:1645  */
+#line 1829 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3972 "awkgram.c" /* yacc.c:1645  */
+#line 3970 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 162:
-#line 1833 "awkgram.y" /* yacc.c:1645  */
+#line 1831 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3978 "awkgram.c" /* yacc.c:1645  */
+#line 3976 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 163:
-#line 1835 "awkgram.y" /* yacc.c:1645  */
+#line 1833 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3984 "awkgram.c" /* yacc.c:1645  */
+#line 3982 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 164:
-#line 1837 "awkgram.y" /* yacc.c:1645  */
+#line 1835 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = mk_binary((yyvsp[-2]), (yyvsp[0]), (yyvsp[-1])); }
-#line 3990 "awkgram.c" /* yacc.c:1645  */
+#line 3988 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 165:
-#line 1842 "awkgram.y" /* yacc.c:1645  */
+#line 1840 "awkgram.y" /* yacc.c:1645  */
     {
                (yyval) = list_create((yyvsp[0]));
          }
-#line 3998 "awkgram.c" /* yacc.c:1645  */
+#line 3996 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 166:
-#line 1846 "awkgram.y" /* yacc.c:1645  */
+#line 1844 "awkgram.y" /* yacc.c:1645  */
     {
                if ((yyvsp[0])->opcode == Op_match_rec) {
                        (yyvsp[0])->opcode = Op_nomatch;
@@ -4030,11 +4028,11 @@ regular_print:
                        }
                }
           }
-#line 4034 "awkgram.c" /* yacc.c:1645  */
+#line 4032 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 167:
-#line 1878 "awkgram.y" /* yacc.c:1645  */
+#line 1876 "awkgram.y" /* yacc.c:1645  */
     {
                // Always include. Allows us to lint warn on
                // print "foo" > "bar" 1
@@ -4042,31 +4040,31 @@ regular_print:
                // print "foo" > ("bar" 1)
                (yyval) = list_append((yyvsp[-1]), bcalloc(Op_parens, 1, 
sourceline));
          }
-#line 4046 "awkgram.c" /* yacc.c:1645  */
+#line 4044 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 168:
-#line 1886 "awkgram.y" /* yacc.c:1645  */
+#line 1884 "awkgram.y" /* yacc.c:1645  */
     {
                (yyval) = snode((yyvsp[-1]), (yyvsp[-3]));
                if ((yyval) == NULL)
                        YYABORT;
          }
-#line 4056 "awkgram.c" /* yacc.c:1645  */
+#line 4054 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 169:
-#line 1892 "awkgram.y" /* yacc.c:1645  */
+#line 1890 "awkgram.y" /* yacc.c:1645  */
     {
                (yyval) = snode((yyvsp[-1]), (yyvsp[-3]));
                if ((yyval) == NULL)
                        YYABORT;
          }
-#line 4066 "awkgram.c" /* yacc.c:1645  */
+#line 4064 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 170:
-#line 1898 "awkgram.y" /* yacc.c:1645  */
+#line 1896 "awkgram.y" /* yacc.c:1645  */
     {
                static bool warned = false;
 
@@ -4079,45 +4077,45 @@ regular_print:
                if ((yyval) == NULL)
                        YYABORT;
          }
-#line 4083 "awkgram.c" /* yacc.c:1645  */
+#line 4081 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 173:
-#line 1913 "awkgram.y" /* yacc.c:1645  */
+#line 1911 "awkgram.y" /* yacc.c:1645  */
     {
                (yyvsp[-1])->opcode = Op_preincrement;
                (yyval) = mk_assignment((yyvsp[0]), NULL, (yyvsp[-1]));
          }
-#line 4092 "awkgram.c" /* yacc.c:1645  */
+#line 4090 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 174:
-#line 1918 "awkgram.y" /* yacc.c:1645  */
+#line 1916 "awkgram.y" /* yacc.c:1645  */
     {
                (yyvsp[-1])->opcode = Op_predecrement;
                (yyval) = mk_assignment((yyvsp[0]), NULL, (yyvsp[-1]));
          }
-#line 4101 "awkgram.c" /* yacc.c:1645  */
+#line 4099 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 175:
-#line 1923 "awkgram.y" /* yacc.c:1645  */
+#line 1921 "awkgram.y" /* yacc.c:1645  */
     {
                (yyval) = list_create((yyvsp[0]));
          }
-#line 4109 "awkgram.c" /* yacc.c:1645  */
+#line 4107 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 176:
-#line 1927 "awkgram.y" /* yacc.c:1645  */
+#line 1925 "awkgram.y" /* yacc.c:1645  */
     {
                (yyval) = list_create((yyvsp[0]));
          }
-#line 4117 "awkgram.c" /* yacc.c:1645  */
+#line 4115 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 177:
-#line 1931 "awkgram.y" /* yacc.c:1645  */
+#line 1929 "awkgram.y" /* yacc.c:1645  */
     {
                if ((yyvsp[0])->lasti->opcode == Op_push_i
                        && ((yyvsp[0])->lasti->memory->flags & STRING) == 0
@@ -4132,11 +4130,11 @@ regular_print:
                        (yyval) = list_append((yyvsp[0]), (yyvsp[-1]));
                }
          }
-#line 4136 "awkgram.c" /* yacc.c:1645  */
+#line 4134 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 178:
-#line 1946 "awkgram.y" /* yacc.c:1645  */
+#line 1944 "awkgram.y" /* yacc.c:1645  */
     {
                if ((yyvsp[0])->lasti->opcode == Op_push_i
                        && ((yyvsp[0])->lasti->memory->flags & STRING) == 0
@@ -4154,20 +4152,20 @@ regular_print:
                        (yyval) = list_append((yyvsp[0]), (yyvsp[-1]));
                }
          }
-#line 4158 "awkgram.c" /* yacc.c:1645  */
+#line 4156 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 179:
-#line 1967 "awkgram.y" /* yacc.c:1645  */
+#line 1965 "awkgram.y" /* yacc.c:1645  */
     {
                func_use((yyvsp[0])->lasti->func_name, FUNC_USE);
                (yyval) = (yyvsp[0]);
          }
-#line 4167 "awkgram.c" /* yacc.c:1645  */
+#line 4165 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 180:
-#line 1972 "awkgram.y" /* yacc.c:1645  */
+#line 1970 "awkgram.y" /* yacc.c:1645  */
     {
                /* indirect function call */
                INSTRUCTION *f, *t;
@@ -4201,11 +4199,11 @@ regular_print:
                (yyval) = list_prepend((yyvsp[0]), t);
                at_seen = false;
          }
-#line 4205 "awkgram.c" /* yacc.c:1645  */
+#line 4203 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 181:
-#line 2009 "awkgram.y" /* yacc.c:1645  */
+#line 2007 "awkgram.y" /* yacc.c:1645  */
     {
                NODE *n;
                const char *name = (yyvsp[-3])->func_name;
@@ -4243,49 +4241,49 @@ regular_print:
                        (yyval) = list_append(t, (yyvsp[-3]));
                }
          }
-#line 4247 "awkgram.c" /* yacc.c:1645  */
+#line 4245 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 182:
-#line 2050 "awkgram.y" /* yacc.c:1645  */
+#line 2048 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 4253 "awkgram.c" /* yacc.c:1645  */
+#line 4251 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 183:
-#line 2052 "awkgram.y" /* yacc.c:1645  */
+#line 2050 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 4259 "awkgram.c" /* yacc.c:1645  */
+#line 4257 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 184:
-#line 2057 "awkgram.y" /* yacc.c:1645  */
+#line 2055 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 4265 "awkgram.c" /* yacc.c:1645  */
+#line 4263 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 185:
-#line 2059 "awkgram.y" /* yacc.c:1645  */
+#line 2057 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[-1]); }
-#line 4271 "awkgram.c" /* yacc.c:1645  */
+#line 4269 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 186:
-#line 2064 "awkgram.y" /* yacc.c:1645  */
+#line 2062 "awkgram.y" /* yacc.c:1645  */
     {  (yyval) = (yyvsp[0]); }
-#line 4277 "awkgram.c" /* yacc.c:1645  */
+#line 4275 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 187:
-#line 2066 "awkgram.y" /* yacc.c:1645  */
+#line 2064 "awkgram.y" /* yacc.c:1645  */
     {
                (yyval) = list_merge((yyvsp[-1]), (yyvsp[0]));
          }
-#line 4285 "awkgram.c" /* yacc.c:1645  */
+#line 4283 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 188:
-#line 2073 "awkgram.y" /* yacc.c:1645  */
+#line 2071 "awkgram.y" /* yacc.c:1645  */
     {
                INSTRUCTION *ip = (yyvsp[0])->lasti;
                int count = ip->sub_count;      /* # of SUBSEP-seperated 
expressions */
@@ -4299,11 +4297,11 @@ regular_print:
                sub_counter++;  /* count # of dimensions */
                (yyval) = (yyvsp[0]);
          }
-#line 4303 "awkgram.c" /* yacc.c:1645  */
+#line 4301 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 189:
-#line 2090 "awkgram.y" /* yacc.c:1645  */
+#line 2088 "awkgram.y" /* yacc.c:1645  */
     {
                INSTRUCTION *t = (yyvsp[-1]);
                if ((yyvsp[-1]) == NULL) {
@@ -4317,31 +4315,31 @@ regular_print:
                        (yyvsp[0])->sub_count = count_expressions(&t, false);
                (yyval) = list_append(t, (yyvsp[0]));
          }
-#line 4321 "awkgram.c" /* yacc.c:1645  */
+#line 4319 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 190:
-#line 2107 "awkgram.y" /* yacc.c:1645  */
+#line 2105 "awkgram.y" /* yacc.c:1645  */
     {  (yyval) = (yyvsp[0]); }
-#line 4327 "awkgram.c" /* yacc.c:1645  */
+#line 4325 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 191:
-#line 2109 "awkgram.y" /* yacc.c:1645  */
+#line 2107 "awkgram.y" /* yacc.c:1645  */
     {
                (yyval) = list_merge((yyvsp[-1]), (yyvsp[0]));
          }
-#line 4335 "awkgram.c" /* yacc.c:1645  */
+#line 4333 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 192:
-#line 2116 "awkgram.y" /* yacc.c:1645  */
+#line 2114 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[-1]); }
-#line 4341 "awkgram.c" /* yacc.c:1645  */
+#line 4339 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 193:
-#line 2121 "awkgram.y" /* yacc.c:1645  */
+#line 2119 "awkgram.y" /* yacc.c:1645  */
     {
                char *var_name = (yyvsp[0])->lextok;
 
@@ -4349,22 +4347,22 @@ regular_print:
                (yyvsp[0])->memory = variable((yyvsp[0])->source_line, 
var_name, Node_var_new);
                (yyval) = list_create((yyvsp[0]));
          }
-#line 4353 "awkgram.c" /* yacc.c:1645  */
+#line 4351 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 194:
-#line 2129 "awkgram.y" /* yacc.c:1645  */
+#line 2127 "awkgram.y" /* yacc.c:1645  */
     {
                char *arr = (yyvsp[-1])->lextok;
                (yyvsp[-1])->memory = variable((yyvsp[-1])->source_line, arr, 
Node_var_new);
                (yyvsp[-1])->opcode = Op_push_array;
                (yyval) = list_prepend((yyvsp[0]), (yyvsp[-1]));
          }
-#line 4364 "awkgram.c" /* yacc.c:1645  */
+#line 4362 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 195:
-#line 2139 "awkgram.y" /* yacc.c:1645  */
+#line 2137 "awkgram.y" /* yacc.c:1645  */
     {
                INSTRUCTION *ip = (yyvsp[0])->nexti;
                if (ip->opcode == Op_push
@@ -4376,85 +4374,85 @@ regular_print:
                } else
                        (yyval) = (yyvsp[0]);
          }
-#line 4380 "awkgram.c" /* yacc.c:1645  */
+#line 4378 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 196:
-#line 2151 "awkgram.y" /* yacc.c:1645  */
+#line 2149 "awkgram.y" /* yacc.c:1645  */
     {
                (yyval) = list_append((yyvsp[-1]), (yyvsp[-2]));
                if ((yyvsp[0]) != NULL)
                        mk_assignment((yyvsp[-1]), NULL, (yyvsp[0]));
          }
-#line 4390 "awkgram.c" /* yacc.c:1645  */
+#line 4388 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 197:
-#line 2160 "awkgram.y" /* yacc.c:1645  */
+#line 2158 "awkgram.y" /* yacc.c:1645  */
     {
                (yyvsp[0])->opcode = Op_postincrement;
          }
-#line 4398 "awkgram.c" /* yacc.c:1645  */
+#line 4396 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 198:
-#line 2164 "awkgram.y" /* yacc.c:1645  */
+#line 2162 "awkgram.y" /* yacc.c:1645  */
     {
                (yyvsp[0])->opcode = Op_postdecrement;
          }
-#line 4406 "awkgram.c" /* yacc.c:1645  */
+#line 4404 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 199:
-#line 2168 "awkgram.y" /* yacc.c:1645  */
+#line 2166 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 4412 "awkgram.c" /* yacc.c:1645  */
+#line 4410 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 200:
-#line 2172 "awkgram.y" /* yacc.c:1645  */
+#line 2170 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); }
-#line 4418 "awkgram.c" /* yacc.c:1645  */
+#line 4416 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 201:
-#line 2176 "awkgram.y" /* yacc.c:1645  */
+#line 2174 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); yyerrok; }
-#line 4424 "awkgram.c" /* yacc.c:1645  */
+#line 4422 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 202:
-#line 2180 "awkgram.y" /* yacc.c:1645  */
+#line 2178 "awkgram.y" /* yacc.c:1645  */
     { yyerrok; }
-#line 4430 "awkgram.c" /* yacc.c:1645  */
+#line 4428 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 203:
-#line 2185 "awkgram.y" /* yacc.c:1645  */
+#line 2183 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = NULL; }
-#line 4436 "awkgram.c" /* yacc.c:1645  */
+#line 4434 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 205:
-#line 2190 "awkgram.y" /* yacc.c:1645  */
+#line 2188 "awkgram.y" /* yacc.c:1645  */
     { yyerrok; }
-#line 4442 "awkgram.c" /* yacc.c:1645  */
+#line 4440 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 206:
-#line 2194 "awkgram.y" /* yacc.c:1645  */
+#line 2192 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); yyerrok; }
-#line 4448 "awkgram.c" /* yacc.c:1645  */
+#line 4446 "awkgram.c" /* yacc.c:1645  */
     break;
 
   case 207:
-#line 2198 "awkgram.y" /* yacc.c:1645  */
+#line 2196 "awkgram.y" /* yacc.c:1645  */
     { (yyval) = (yyvsp[0]); yyerrok; }
-#line 4454 "awkgram.c" /* yacc.c:1645  */
+#line 4452 "awkgram.c" /* yacc.c:1645  */
     break;
 
 
-#line 4458 "awkgram.c" /* yacc.c:1645  */
+#line 4456 "awkgram.c" /* yacc.c:1645  */
       default: break;
     }
   /* User semantic actions sometimes alter yychar, and that requires
@@ -4681,7 +4679,7 @@ yyreturn:
 #endif
   return yyresult;
 }
-#line 2200 "awkgram.y" /* yacc.c:1903  */
+#line 2198 "awkgram.y" /* yacc.c:1903  */
 
 
 struct token {
@@ -7456,11 +7454,8 @@ mk_function(INSTRUCTION *fi, INSTRUCTION *def)
        }
 
        if (do_pretty_print) {
-               fi[3].ns_name = make_pp_namespace();
-               if (namespace_comment != NULL && current_namespace != 
awk_namespace) {
-                       fi[3].comment = namespace_comment;
-                       namespace_comment = NULL;
-               }
+               fi[3].nexti = namespace_chain;
+               namespace_chain = NULL;
                (void) list_prepend(def, instruction(Op_exec_count));
        }
 
@@ -8162,11 +8157,8 @@ append_rule(INSTRUCTION *pattern, INSTRUCTION *action)
        if (rule != Rule) {
                rp = pattern;
                if (do_pretty_print) {
-                       rp[3].ns_name = make_pp_namespace();
-                       if (namespace_comment != NULL && current_namespace != 
awk_namespace) {
-                               rp[3].comment = namespace_comment;
-                               namespace_comment = NULL;
-                       }
+                       rp[3].nexti = namespace_chain;
+                       namespace_chain = NULL;
                        (void) list_append(action, instruction(Op_no_op));
                }
                (rp + 1)->firsti = action->nexti;
@@ -8185,11 +8177,8 @@ append_rule(INSTRUCTION *pattern, INSTRUCTION *action)
                tp = instruction(Op_no_op);
 
                if (do_pretty_print) {
-                       rp[3].ns_name = make_pp_namespace();
-                       if (namespace_comment != NULL && current_namespace != 
awk_namespace) {
-                               rp[3].comment = namespace_comment;
-                               namespace_comment = NULL;
-                       }
+                       rp[3].nexti = namespace_chain;
+                       namespace_chain = NULL;
                }
 
                if (pattern == NULL) {
@@ -9256,7 +9245,7 @@ done:
 /* set_namespace --- change the current namespace */
 
 static void
-set_namespace(INSTRUCTION *ns)
+set_namespace(INSTRUCTION *ns, INSTRUCTION *comment)
 {
        if (ns == NULL)
                return;
@@ -9295,6 +9284,13 @@ set_namespace(INSTRUCTION *ns)
                current_namespace = ns->lextok;
        }
 
+       // save info and push on front of list of namespaces seen
+       INSTRUCTION *new_ns = instruction(Op_K_namespace);
+       new_ns->comment = comment;
+       new_ns->ns_name = make_pp_namespace(current_namespace);
+       new_ns->nexti = namespace_chain;
+       namespace_chain = new_ns;
+
        ns->lextok = NULL;
        bcfree(ns);
 
diff --git a/awkgram.y b/awkgram.y
index 4a959a6..45d51d8 100644
--- a/awkgram.y
+++ b/awkgram.y
@@ -55,7 +55,7 @@ static void dumpintlstr(const char *str, size_t len);
 static void dumpintlstr2(const char *str1, size_t len1, const char *str2, 
size_t len2);
 static bool include_source(INSTRUCTION *file, void **srcfile_p);
 static bool load_library(INSTRUCTION *file, void **srcfile_p);
-static void set_namespace(INSTRUCTION *ns);
+static void set_namespace(INSTRUCTION *ns, INSTRUCTION *comment);
 static void next_sourcefile(void);
 static char *tokexpand(void);
 static NODE *set_profile_text(NODE *n, const char *str, size_t len);
@@ -64,7 +64,7 @@ static INSTRUCTION *trailing_comment;
 static INSTRUCTION *outer_comment;
 static INSTRUCTION *interblock_comment;
 static INSTRUCTION *pending_comment;
-static INSTRUCTION *namespace_comment; // from @namespace lines
+static INSTRUCTION *namespace_chain;
 
 #ifdef DEBUG_COMMENTS
 static void
@@ -318,9 +318,7 @@ rule
                at_seen = false;
 
                // this frees $3 storage in all cases
-               set_namespace($3);
-               if ($4 != NULL)
-                       namespace_comment = $4;
+               set_namespace($3, $4);
 
                yyerrok;
          }
@@ -4971,11 +4969,8 @@ mk_function(INSTRUCTION *fi, INSTRUCTION *def)
        }
 
        if (do_pretty_print) {
-               fi[3].ns_name = make_pp_namespace();
-               if (namespace_comment != NULL && current_namespace != 
awk_namespace) {
-                       fi[3].comment = namespace_comment;
-                       namespace_comment = NULL;
-               }
+               fi[3].nexti = namespace_chain;
+               namespace_chain = NULL;
                (void) list_prepend(def, instruction(Op_exec_count));
        }
 
@@ -5677,11 +5672,8 @@ append_rule(INSTRUCTION *pattern, INSTRUCTION *action)
        if (rule != Rule) {
                rp = pattern;
                if (do_pretty_print) {
-                       rp[3].ns_name = make_pp_namespace();
-                       if (namespace_comment != NULL && current_namespace != 
awk_namespace) {
-                               rp[3].comment = namespace_comment;
-                               namespace_comment = NULL;
-                       }
+                       rp[3].nexti = namespace_chain;
+                       namespace_chain = NULL;
                        (void) list_append(action, instruction(Op_no_op));
                }
                (rp + 1)->firsti = action->nexti;
@@ -5700,11 +5692,8 @@ append_rule(INSTRUCTION *pattern, INSTRUCTION *action)
                tp = instruction(Op_no_op);
 
                if (do_pretty_print) {
-                       rp[3].ns_name = make_pp_namespace();
-                       if (namespace_comment != NULL && current_namespace != 
awk_namespace) {
-                               rp[3].comment = namespace_comment;
-                               namespace_comment = NULL;
-                       }
+                       rp[3].nexti = namespace_chain;
+                       namespace_chain = NULL;
                }
 
                if (pattern == NULL) {
@@ -6771,7 +6760,7 @@ done:
 /* set_namespace --- change the current namespace */
 
 static void
-set_namespace(INSTRUCTION *ns)
+set_namespace(INSTRUCTION *ns, INSTRUCTION *comment)
 {
        if (ns == NULL)
                return;
@@ -6810,6 +6799,13 @@ set_namespace(INSTRUCTION *ns)
                current_namespace = ns->lextok;
        }
 
+       // save info and push on front of list of namespaces seen
+       INSTRUCTION *new_ns = instruction(Op_K_namespace);
+       new_ns->comment = comment;
+       new_ns->ns_name = make_pp_namespace(current_namespace);
+       new_ns->nexti = namespace_chain;
+       namespace_chain = new_ns;
+
        ns->lextok = NULL;
        bcfree(ns);
 
diff --git a/debug.c b/debug.c
index b6c2579..f8aa6ad 100644
--- a/debug.c
+++ b/debug.c
@@ -310,6 +310,7 @@ static void delete_item(struct list_item *d);
 static int breakpoint_triggered(BREAKPOINT *b);
 static int watchpoint_triggered(struct list_item *w);
 static void print_instruction(INSTRUCTION *pc, Func_print print_func, FILE 
*fp, int in_dump);
+static void print_ns_list(INSTRUCTION *pc, Func_print print_func, FILE *fp, 
int in_dump);
 static int print_code(INSTRUCTION *pc, void *x);
 static void next_command();
 static void debug_post_execute(INSTRUCTION *pc);
@@ -3884,9 +3885,11 @@ print_instruction(INSTRUCTION *pc, Func_print 
print_func, FILE *fp, int in_dump)
        case Op_func:
                print_func(fp, "[param_cnt = %d] [source_file = %s]", pcount,
                                pc->source_file ? pc->source_file : "cmd. 
line");
-               if (pc[3].ns_name != NULL)
-                       print_func(fp, " [ns_name = %s]", pc[3].ns_name);
-               print_func(fp, "\n");
+               if (pc[3].nexti != NULL) {
+                       print_func(fp, "[ns_list = %p]\n", pc[3].nexti);
+                       print_ns_list(pc[3].nexti, print_func, fp, in_dump);
+               } else
+                       print_func(fp, "\n");
                break;
 
        case Op_K_getline_redir:
@@ -3961,6 +3964,15 @@ print_instruction(INSTRUCTION *pc, Func_print 
print_func, FILE *fp, int in_dump)
                        print_func(fp, "\n");
                break;
 
+       case Op_K_namespace:
+               print_func(fp, "[namespace = %s]", pc->ns_name);
+               if (pc->nexti)
+                       print_func(fp, "[nexti = %p]", pc->nexti);
+               if (pc->comment)
+                       print_func(fp, "[comment = %p]", pc->comment);
+               print_func(fp, "\n");
+               break;
+
        case Op_arrayfor_incr:
                print_func(fp, "[array_var = %s] [target_jmp = %p]\n",
                                pc->array_var->type == Node_param_list ?
@@ -4040,9 +4052,11 @@ print_instruction(INSTRUCTION *pc, Func_print 
print_func, FILE *fp, int in_dump)
                print_func(fp, "[in_rule = %s] [source_file = %s]",
                                ruletab[pc->in_rule],
                                pc->source_file ? pc->source_file : "cmd. 
line");
-               if (pc[3].ns_name != NULL)
-                       print_func(fp, " [ns_name = %s]", pc[3].ns_name);
-               print_func(fp, "\n");
+               if (pc[3].nexti != NULL) {
+                       print_func(fp, "[ns_list = %p]\n", pc[3].nexti);
+                       print_ns_list(pc[3].nexti, print_func, fp, in_dump);
+               } else
+                       print_func(fp, "\n");
                break;
 
        case Op_lint:
@@ -4136,6 +4150,18 @@ print_code(INSTRUCTION *pc, void *x)
        return 0;
 }
 
+/* print_ns_list --- print the list of namespaces */
+
+static void
+print_ns_list(INSTRUCTION *pc, Func_print print_func, FILE *fp, int in_dump)
+{
+       for (; pc != NULL; pc = pc->nexti) {
+               print_instruction(pc, print_func, fp, in_dump);
+               if (pc->comment != NULL)
+                       print_instruction(pc->comment, print_func, fp, in_dump);
+       }
+}
+
 /* do_dump_instructions --- dump command */
 
 int
diff --git a/eval.c b/eval.c
index 34ba174..1dd0de4 100644
--- a/eval.c
+++ b/eval.c
@@ -330,6 +330,7 @@ static struct optypetab {
        { "Op_K_getline_redir", "getline" },
        { "Op_K_getline", "getline" },
        { "Op_K_nextfile", "nextfile" },
+       { "Op_K_namespace", "@namespace" },
        { "Op_builtin", NULL },
        { "Op_sub_builtin", NULL },
        { "Op_ext_builtin", NULL },
@@ -400,7 +401,7 @@ nodetype2str(NODETYPE type)
        return buf;
 }
 
-/* opcode2str --- convert a opcode type into a printable value */
+/* opcode2str --- convert an opcode type into a printable value */
 
 const char *
 opcode2str(OPCODE op)
@@ -411,6 +412,8 @@ opcode2str(OPCODE op)
        return NULL;
 }
 
+/* op2str --- convert an opcode type to corresponding operator or keyword */
+
 const char *
 op2str(OPCODE op)
 {
diff --git a/profile.c b/profile.c
index b394d57..2b8bc9c 100644
--- a/profile.c
+++ b/profile.c
@@ -42,6 +42,7 @@ static NODE *pp_pop(void);
 static void print_comment(INSTRUCTION *pc, long in);
 const char *redir2str(int redirtype);
 static void pp_namespace(const char *name, INSTRUCTION *comment);
+static void pp_namespace_list(INSTRUCTION *list);
 static char *adjust_namespace(char *name, bool *malloced);
 
 #define pp_str vname
@@ -251,8 +252,7 @@ pprint(INSTRUCTION *startp, INSTRUCTION *endp, int flags)
                        source = pc->source_file;
                        rule = pc->in_rule;
 
-                       assert(pc[3].ns_name != NULL);
-                       pp_namespace(pc[3].ns_name, pc[3].comment);
+                       pp_namespace_list(pc[3].nexti);
 
                        if (rule != Rule) {
                                /* Allow for pre-non-rule-block comment  */
@@ -1955,8 +1955,7 @@ pp_func(INSTRUCTION *pc, void *data ATTRIBUTE_UNUSED)
                        fprintf(prof_fp, _("\n\t# Functions, listed 
alphabetically\n"));
        }
 
-       assert(pc[3].ns_name != NULL);
-       pp_namespace(pc[3].ns_name, pc[3].comment);
+       pp_namespace_list(pc[3].nexti);
 
        fp = pc->nexti->nexti;
        func = pc->func_body;
@@ -2041,7 +2040,7 @@ pp_namespace(const char *name, INSTRUCTION *comment)
                putc(*name, prof_fp);
        putc('"', prof_fp);
 
-       if (comment) {
+       if (comment != NULL) {
                putc('\t', prof_fp);
                print_comment(comment, 0);
                putc('\n', prof_fp);
@@ -2049,6 +2048,18 @@ pp_namespace(const char *name, INSTRUCTION *comment)
                fprintf(prof_fp, "\n\n");
 }
 
+/* pp_namespace_list --- print the list, back to front, using recursion */
+
+static void
+pp_namespace_list(INSTRUCTION *list)
+{
+       if (list == NULL)
+               return;
+
+       pp_namespace_list(list->nexti);
+       pp_namespace(list->ns_name, list->comment);
+}
+
 /* adjust_namespace --- remove leading namespace or add leading awk:: */
 
 static char *
diff --git a/test/ChangeLog b/test/ChangeLog
index af57651..e3446b5 100644
--- a/test/ChangeLog
+++ b/test/ChangeLog
@@ -1,3 +1,8 @@
+2018-12-12         Arnold D. Robbins     <address@hidden>
+
+       * nsprof2.awk: Add extra @namespace lines for testing.
+       * nsprof2.ok: Adjusted.
+
 2018-12-06         Arnold D. Robbins     <address@hidden>
 
        * nsprof2.awk, nsprof2.ok: Updated after code changes.
diff --git a/test/nsprof2.awk b/test/nsprof2.awk
index e7953dc..9c7da57 100644
--- a/test/nsprof2.awk
+++ b/test/nsprof2.awk
@@ -6,6 +6,10 @@
 # Revised December 2010
 # Revised July 2017
 
address@hidden "foo"    # this is foo
+
address@hidden "bar"    # this is bar
+
 @namespace "passwd"    # move to passwd namespace
 
 BEGIN {
diff --git a/test/nsprof2.ok b/test/nsprof2.ok
index f264e67..1bb7882 100644
--- a/test/nsprof2.ok
+++ b/test/nsprof2.ok
@@ -5,6 +5,10 @@
 # Revised October 2000
 # Revised December 2010
 # Revised July 2017
address@hidden "foo"    # this is foo
+
address@hidden "bar"    # this is bar
+
 @namespace "passwd"    # move to passwd namespace
 
 BEGIN {

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog        |  16 ++
 awk.h            |   1 +
 awkgram.c        | 832 +++++++++++++++++++++++++++----------------------------
 awkgram.y        |  38 ++-
 debug.c          |  38 ++-
 eval.c           |   5 +-
 profile.c        |  21 +-
 test/ChangeLog   |   5 +
 test/nsprof2.awk |   4 +
 test/nsprof2.ok  |   4 +
 10 files changed, 513 insertions(+), 451 deletions(-)


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