From 16b4eed59a07f5e07587f4f9b0cdc304a08a685c Mon Sep 17 00:00:00 2001
From: Kenneth Graunke <kenneth@whitecape.org>
Date: Wed, 4 Aug 2010 16:10:03 -0700
Subject: glcpp: Refactor HASH_IF and HASH_ELIF expansion to reuse code.

---
 src/glsl/glcpp/glcpp-parse.c | 247 +++++++++++++++++++++----------------------
 1 file changed, 123 insertions(+), 124 deletions(-)

(limited to 'src/glsl/glcpp/glcpp-parse.c')

diff --git a/src/glsl/glcpp/glcpp-parse.c b/src/glsl/glcpp/glcpp-parse.c
index 5ea07c2555..df16cabeeb 100644
--- a/src/glsl/glcpp/glcpp-parse.c
+++ b/src/glsl/glcpp/glcpp-parse.c
@@ -175,6 +175,9 @@ _active_list_pop (active_list_t *list);
 int
 _active_list_contains (active_list_t *list, const char *identifier);
 
+static void
+_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list);
+
 static void
 _glcpp_parser_expand_token_list (glcpp_parser_t *parser,
 				 token_list_t *list);
@@ -208,7 +211,7 @@ add_builtin_define(glcpp_parser_t *parser, const char *name, int value);
 
 
 /* Line 189 of yacc.c  */
-#line 212 "glcpp/glcpp-parse.c"
+#line 215 "glcpp/glcpp-parse.c"
 
 /* Enabling traces.  */
 #ifndef YYDEBUG
@@ -296,7 +299,7 @@ typedef struct YYLTYPE
 
 
 /* Line 264 of yacc.c  */
-#line 300 "glcpp/glcpp-parse.c"
+#line 303 "glcpp/glcpp-parse.c"
 
 #ifdef short
 # undef short
@@ -620,17 +623,17 @@ static const yytype_int8 yyrhs[] =
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const yytype_uint16 yyrline[] =
 {
-       0,   169,   169,   171,   175,   178,   183,   184,   188,   191,
-     197,   200,   203,   206,   214,   226,   231,   236,   248,   259,
-     262,   265,   274,   278,   287,   292,   293,   296,   299,   302,
-     305,   308,   311,   314,   317,   320,   323,   326,   329,   332,
-     335,   338,   341,   344,   347,   350,   353,   356,   359,   365,
-     370,   378,   379,   383,   389,   390,   393,   395,   402,   406,
-     410,   415,   421,   429,   435,   443,   447,   451,   455,   459,
-     466,   467,   468,   469,   470,   471,   472,   473,   474,   475,
-     476,   477,   478,   479,   480,   481,   482,   483,   484,   485,
-     486,   487,   488,   489,   490,   491,   492,   493,   494,   495,
-     496
+       0,   172,   172,   174,   178,   181,   186,   187,   191,   194,
+     200,   203,   206,   209,   217,   220,   225,   230,   233,   244,
+     247,   250,   259,   263,   272,   277,   278,   281,   284,   287,
+     290,   293,   296,   299,   302,   305,   308,   311,   314,   317,
+     320,   323,   326,   329,   332,   335,   338,   341,   344,   350,
+     355,   363,   364,   368,   374,   375,   378,   380,   387,   391,
+     395,   400,   406,   414,   420,   428,   432,   436,   440,   444,
+     451,   452,   453,   454,   455,   456,   457,   458,   459,   460,
+     461,   462,   463,   464,   465,   466,   467,   468,   469,   470,
+     471,   472,   473,   474,   475,   476,   477,   478,   479,   480,
+     481
 };
 #endif
 
@@ -1781,7 +1784,7 @@ yyreduce:
         case 4:
 
 /* Line 1464 of yacc.c  */
-#line 175 "glcpp/glcpp-parse.y"
+#line 178 "glcpp/glcpp-parse.y"
     {
 		glcpp_print(parser->output, "\n");
 	;}
@@ -1790,7 +1793,7 @@ yyreduce:
   case 5:
 
 /* Line 1464 of yacc.c  */
-#line 178 "glcpp/glcpp-parse.y"
+#line 181 "glcpp/glcpp-parse.y"
     {
 		_glcpp_parser_print_expanded_token_list (parser, (yyvsp[(1) - (1)].token_list));
 		glcpp_print(parser->output, "\n");
@@ -1801,7 +1804,7 @@ yyreduce:
   case 8:
 
 /* Line 1464 of yacc.c  */
-#line 188 "glcpp/glcpp-parse.y"
+#line 191 "glcpp/glcpp-parse.y"
     {
 		_glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (3)]), (yyvsp[(2) - (3)].ival));
 	;}
@@ -1810,7 +1813,7 @@ yyreduce:
   case 9:
 
 /* Line 1464 of yacc.c  */
-#line 191 "glcpp/glcpp-parse.y"
+#line 194 "glcpp/glcpp-parse.y"
     {
 		_glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (3)]), "elif", (yyvsp[(2) - (3)].ival));
 	;}
@@ -1819,7 +1822,7 @@ yyreduce:
   case 10:
 
 /* Line 1464 of yacc.c  */
-#line 197 "glcpp/glcpp-parse.y"
+#line 200 "glcpp/glcpp-parse.y"
     {
 		_define_object_macro (parser, & (yylsp[(2) - (4)]), (yyvsp[(2) - (4)].str), (yyvsp[(3) - (4)].token_list));
 	;}
@@ -1828,7 +1831,7 @@ yyreduce:
   case 11:
 
 /* Line 1464 of yacc.c  */
-#line 200 "glcpp/glcpp-parse.y"
+#line 203 "glcpp/glcpp-parse.y"
     {
 		_define_function_macro (parser, & (yylsp[(2) - (6)]), (yyvsp[(2) - (6)].str), NULL, (yyvsp[(5) - (6)].token_list));
 	;}
@@ -1837,7 +1840,7 @@ yyreduce:
   case 12:
 
 /* Line 1464 of yacc.c  */
-#line 203 "glcpp/glcpp-parse.y"
+#line 206 "glcpp/glcpp-parse.y"
     {
 		_define_function_macro (parser, & (yylsp[(2) - (7)]), (yyvsp[(2) - (7)].str), (yyvsp[(4) - (7)].string_list), (yyvsp[(6) - (7)].token_list));
 	;}
@@ -1846,7 +1849,7 @@ yyreduce:
   case 13:
 
 /* Line 1464 of yacc.c  */
-#line 206 "glcpp/glcpp-parse.y"
+#line 209 "glcpp/glcpp-parse.y"
     {
 		macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (3)].str));
 		if (macro) {
@@ -1860,25 +1863,16 @@ yyreduce:
   case 14:
 
 /* Line 1464 of yacc.c  */
-#line 214 "glcpp/glcpp-parse.y"
+#line 217 "glcpp/glcpp-parse.y"
     {
-		token_list_t *expanded;
-		token_t *token;
-
-		expanded = _token_list_create (parser);
-		token = _token_create_ival (parser, IF_EXPANDED, IF_EXPANDED);
-		_token_list_append (expanded, token);
-		talloc_unlink (parser, token);
-		_glcpp_parser_expand_token_list (parser, (yyvsp[(2) - (3)].token_list));
-		_token_list_append_list (expanded, (yyvsp[(2) - (3)].token_list));
-		glcpp_parser_lex_from (parser, expanded);
+		_glcpp_parser_expand_if (parser, IF_EXPANDED, (yyvsp[(2) - (3)].token_list));
 	;}
     break;
 
   case 15:
 
 /* Line 1464 of yacc.c  */
-#line 226 "glcpp/glcpp-parse.y"
+#line 220 "glcpp/glcpp-parse.y"
     {
 		macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (4)].str));
 		talloc_free ((yyvsp[(2) - (4)].str));
@@ -1889,7 +1883,7 @@ yyreduce:
   case 16:
 
 /* Line 1464 of yacc.c  */
-#line 231 "glcpp/glcpp-parse.y"
+#line 225 "glcpp/glcpp-parse.y"
     {
 		macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (4)].str));
 		talloc_free ((yyvsp[(2) - (4)].str));
@@ -1900,25 +1894,16 @@ yyreduce:
   case 17:
 
 /* Line 1464 of yacc.c  */
-#line 236 "glcpp/glcpp-parse.y"
+#line 230 "glcpp/glcpp-parse.y"
     {
-		token_list_t *expanded;
-		token_t *token;
-
-		expanded = _token_list_create (parser);
-		token = _token_create_ival (parser, ELIF_EXPANDED, ELIF_EXPANDED);
-		_token_list_append (expanded, token);
-		talloc_unlink (parser, token);
-		_glcpp_parser_expand_token_list (parser, (yyvsp[(2) - (3)].token_list));
-		_token_list_append_list (expanded, (yyvsp[(2) - (3)].token_list));
-		glcpp_parser_lex_from (parser, expanded);
+		_glcpp_parser_expand_if (parser, ELIF_EXPANDED, (yyvsp[(2) - (3)].token_list));
 	;}
     break;
 
   case 18:
 
 /* Line 1464 of yacc.c  */
-#line 248 "glcpp/glcpp-parse.y"
+#line 233 "glcpp/glcpp-parse.y"
     {
 		/* #elif without an expression results in a warning if the
 		 * condition doesn't matter (we just handled #if 1 or such)
@@ -1935,7 +1920,7 @@ yyreduce:
   case 19:
 
 /* Line 1464 of yacc.c  */
-#line 259 "glcpp/glcpp-parse.y"
+#line 244 "glcpp/glcpp-parse.y"
     {
 		_glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (2)]), "else", 1);
 	;}
@@ -1944,7 +1929,7 @@ yyreduce:
   case 20:
 
 /* Line 1464 of yacc.c  */
-#line 262 "glcpp/glcpp-parse.y"
+#line 247 "glcpp/glcpp-parse.y"
     {
 		_glcpp_parser_skip_stack_pop (parser, & (yylsp[(1) - (2)]));
 	;}
@@ -1953,7 +1938,7 @@ yyreduce:
   case 21:
 
 /* Line 1464 of yacc.c  */
-#line 265 "glcpp/glcpp-parse.y"
+#line 250 "glcpp/glcpp-parse.y"
     {
 		macro_t *macro = hash_table_find (parser->defines, "__VERSION__");
 		if (macro) {
@@ -1968,7 +1953,7 @@ yyreduce:
   case 23:
 
 /* Line 1464 of yacc.c  */
-#line 278 "glcpp/glcpp-parse.y"
+#line 263 "glcpp/glcpp-parse.y"
     {
 		if (strlen ((yyvsp[(1) - (1)].str)) >= 3 && strncmp ((yyvsp[(1) - (1)].str), "0x", 2) == 0) {
 			(yyval.ival) = strtoll ((yyvsp[(1) - (1)].str) + 2, NULL, 16);
@@ -1983,7 +1968,7 @@ yyreduce:
   case 24:
 
 /* Line 1464 of yacc.c  */
-#line 287 "glcpp/glcpp-parse.y"
+#line 272 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = (yyvsp[(1) - (1)].ival);
 	;}
@@ -1992,7 +1977,7 @@ yyreduce:
   case 26:
 
 /* Line 1464 of yacc.c  */
-#line 293 "glcpp/glcpp-parse.y"
+#line 278 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = (yyvsp[(1) - (3)].ival) || (yyvsp[(3) - (3)].ival);
 	;}
@@ -2001,7 +1986,7 @@ yyreduce:
   case 27:
 
 /* Line 1464 of yacc.c  */
-#line 296 "glcpp/glcpp-parse.y"
+#line 281 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = (yyvsp[(1) - (3)].ival) && (yyvsp[(3) - (3)].ival);
 	;}
@@ -2010,7 +1995,7 @@ yyreduce:
   case 28:
 
 /* Line 1464 of yacc.c  */
-#line 299 "glcpp/glcpp-parse.y"
+#line 284 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = (yyvsp[(1) - (3)].ival) | (yyvsp[(3) - (3)].ival);
 	;}
@@ -2019,7 +2004,7 @@ yyreduce:
   case 29:
 
 /* Line 1464 of yacc.c  */
-#line 302 "glcpp/glcpp-parse.y"
+#line 287 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = (yyvsp[(1) - (3)].ival) ^ (yyvsp[(3) - (3)].ival);
 	;}
@@ -2028,7 +2013,7 @@ yyreduce:
   case 30:
 
 /* Line 1464 of yacc.c  */
-#line 305 "glcpp/glcpp-parse.y"
+#line 290 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = (yyvsp[(1) - (3)].ival) & (yyvsp[(3) - (3)].ival);
 	;}
@@ -2037,7 +2022,7 @@ yyreduce:
   case 31:
 
 /* Line 1464 of yacc.c  */
-#line 308 "glcpp/glcpp-parse.y"
+#line 293 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = (yyvsp[(1) - (3)].ival) != (yyvsp[(3) - (3)].ival);
 	;}
@@ -2046,7 +2031,7 @@ yyreduce:
   case 32:
 
 /* Line 1464 of yacc.c  */
-#line 311 "glcpp/glcpp-parse.y"
+#line 296 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = (yyvsp[(1) - (3)].ival) == (yyvsp[(3) - (3)].ival);
 	;}
@@ -2055,7 +2040,7 @@ yyreduce:
   case 33:
 
 /* Line 1464 of yacc.c  */
-#line 314 "glcpp/glcpp-parse.y"
+#line 299 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = (yyvsp[(1) - (3)].ival) >= (yyvsp[(3) - (3)].ival);
 	;}
@@ -2064,7 +2049,7 @@ yyreduce:
   case 34:
 
 /* Line 1464 of yacc.c  */
-#line 317 "glcpp/glcpp-parse.y"
+#line 302 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = (yyvsp[(1) - (3)].ival) <= (yyvsp[(3) - (3)].ival);
 	;}
@@ -2073,7 +2058,7 @@ yyreduce:
   case 35:
 
 /* Line 1464 of yacc.c  */
-#line 320 "glcpp/glcpp-parse.y"
+#line 305 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = (yyvsp[(1) - (3)].ival) > (yyvsp[(3) - (3)].ival);
 	;}
@@ -2082,7 +2067,7 @@ yyreduce:
   case 36:
 
 /* Line 1464 of yacc.c  */
-#line 323 "glcpp/glcpp-parse.y"
+#line 308 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = (yyvsp[(1) - (3)].ival) < (yyvsp[(3) - (3)].ival);
 	;}
@@ -2091,7 +2076,7 @@ yyreduce:
   case 37:
 
 /* Line 1464 of yacc.c  */
-#line 326 "glcpp/glcpp-parse.y"
+#line 311 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = (yyvsp[(1) - (3)].ival) >> (yyvsp[(3) - (3)].ival);
 	;}
@@ -2100,7 +2085,7 @@ yyreduce:
   case 38:
 
 /* Line 1464 of yacc.c  */
-#line 329 "glcpp/glcpp-parse.y"
+#line 314 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = (yyvsp[(1) - (3)].ival) << (yyvsp[(3) - (3)].ival);
 	;}
@@ -2109,7 +2094,7 @@ yyreduce:
   case 39:
 
 /* Line 1464 of yacc.c  */
-#line 332 "glcpp/glcpp-parse.y"
+#line 317 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = (yyvsp[(1) - (3)].ival) - (yyvsp[(3) - (3)].ival);
 	;}
@@ -2118,7 +2103,7 @@ yyreduce:
   case 40:
 
 /* Line 1464 of yacc.c  */
-#line 335 "glcpp/glcpp-parse.y"
+#line 320 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = (yyvsp[(1) - (3)].ival) + (yyvsp[(3) - (3)].ival);
 	;}
@@ -2127,7 +2112,7 @@ yyreduce:
   case 41:
 
 /* Line 1464 of yacc.c  */
-#line 338 "glcpp/glcpp-parse.y"
+#line 323 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = (yyvsp[(1) - (3)].ival) % (yyvsp[(3) - (3)].ival);
 	;}
@@ -2136,7 +2121,7 @@ yyreduce:
   case 42:
 
 /* Line 1464 of yacc.c  */
-#line 341 "glcpp/glcpp-parse.y"
+#line 326 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = (yyvsp[(1) - (3)].ival) / (yyvsp[(3) - (3)].ival);
 	;}
@@ -2145,7 +2130,7 @@ yyreduce:
   case 43:
 
 /* Line 1464 of yacc.c  */
-#line 344 "glcpp/glcpp-parse.y"
+#line 329 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = (yyvsp[(1) - (3)].ival) * (yyvsp[(3) - (3)].ival);
 	;}
@@ -2154,7 +2139,7 @@ yyreduce:
   case 44:
 
 /* Line 1464 of yacc.c  */
-#line 347 "glcpp/glcpp-parse.y"
+#line 332 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = ! (yyvsp[(2) - (2)].ival);
 	;}
@@ -2163,7 +2148,7 @@ yyreduce:
   case 45:
 
 /* Line 1464 of yacc.c  */
-#line 350 "glcpp/glcpp-parse.y"
+#line 335 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = ~ (yyvsp[(2) - (2)].ival);
 	;}
@@ -2172,7 +2157,7 @@ yyreduce:
   case 46:
 
 /* Line 1464 of yacc.c  */
-#line 353 "glcpp/glcpp-parse.y"
+#line 338 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = - (yyvsp[(2) - (2)].ival);
 	;}
@@ -2181,7 +2166,7 @@ yyreduce:
   case 47:
 
 /* Line 1464 of yacc.c  */
-#line 356 "glcpp/glcpp-parse.y"
+#line 341 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = + (yyvsp[(2) - (2)].ival);
 	;}
@@ -2190,7 +2175,7 @@ yyreduce:
   case 48:
 
 /* Line 1464 of yacc.c  */
-#line 359 "glcpp/glcpp-parse.y"
+#line 344 "glcpp/glcpp-parse.y"
     {
 		(yyval.ival) = (yyvsp[(2) - (3)].ival);
 	;}
@@ -2199,7 +2184,7 @@ yyreduce:
   case 49:
 
 /* Line 1464 of yacc.c  */
-#line 365 "glcpp/glcpp-parse.y"
+#line 350 "glcpp/glcpp-parse.y"
     {
 		(yyval.string_list) = _string_list_create (parser);
 		_string_list_append_item ((yyval.string_list), (yyvsp[(1) - (1)].str));
@@ -2210,7 +2195,7 @@ yyreduce:
   case 50:
 
 /* Line 1464 of yacc.c  */
-#line 370 "glcpp/glcpp-parse.y"
+#line 355 "glcpp/glcpp-parse.y"
     {
 		(yyval.string_list) = (yyvsp[(1) - (3)].string_list);	
 		_string_list_append_item ((yyval.string_list), (yyvsp[(3) - (3)].str));
@@ -2221,14 +2206,14 @@ yyreduce:
   case 51:
 
 /* Line 1464 of yacc.c  */
-#line 378 "glcpp/glcpp-parse.y"
+#line 363 "glcpp/glcpp-parse.y"
     { (yyval.token_list) = NULL; ;}
     break;
 
   case 53:
 
 /* Line 1464 of yacc.c  */
-#line 383 "glcpp/glcpp-parse.y"
+#line 368 "glcpp/glcpp-parse.y"
     {
 		yyerror (& (yylsp[(1) - (2)]), parser, "Invalid tokens after #");
 	;}
@@ -2237,14 +2222,14 @@ yyreduce:
   case 54:
 
 /* Line 1464 of yacc.c  */
-#line 389 "glcpp/glcpp-parse.y"
+#line 374 "glcpp/glcpp-parse.y"
     { (yyval.token_list) = NULL; ;}
     break;
 
   case 57:
 
 /* Line 1464 of yacc.c  */
-#line 395 "glcpp/glcpp-parse.y"
+#line 380 "glcpp/glcpp-parse.y"
     {
 		glcpp_warning(&(yylsp[(1) - (1)]), parser, "extra tokens at end of directive");
 	;}
@@ -2253,7 +2238,7 @@ yyreduce:
   case 58:
 
 /* Line 1464 of yacc.c  */
-#line 402 "glcpp/glcpp-parse.y"
+#line 387 "glcpp/glcpp-parse.y"
     {
 		int v = hash_table_find (parser->defines, (yyvsp[(2) - (2)].str)) ? 1 : 0;
 		(yyval.token) = _token_create_ival (parser, INTEGER, v);
@@ -2263,7 +2248,7 @@ yyreduce:
   case 59:
 
 /* Line 1464 of yacc.c  */
-#line 406 "glcpp/glcpp-parse.y"
+#line 391 "glcpp/glcpp-parse.y"
     {
 		int v = hash_table_find (parser->defines, (yyvsp[(3) - (4)].str)) ? 1 : 0;
 		(yyval.token) = _token_create_ival (parser, INTEGER, v);
@@ -2273,7 +2258,7 @@ yyreduce:
   case 61:
 
 /* Line 1464 of yacc.c  */
-#line 415 "glcpp/glcpp-parse.y"
+#line 400 "glcpp/glcpp-parse.y"
     {
 		parser->space_tokens = 1;
 		(yyval.token_list) = _token_list_create (parser);
@@ -2285,7 +2270,7 @@ yyreduce:
   case 62:
 
 /* Line 1464 of yacc.c  */
-#line 421 "glcpp/glcpp-parse.y"
+#line 406 "glcpp/glcpp-parse.y"
     {
 		(yyval.token_list) = (yyvsp[(1) - (2)].token_list);
 		_token_list_append ((yyval.token_list), (yyvsp[(2) - (2)].token));
@@ -2296,7 +2281,7 @@ yyreduce:
   case 63:
 
 /* Line 1464 of yacc.c  */
-#line 429 "glcpp/glcpp-parse.y"
+#line 414 "glcpp/glcpp-parse.y"
     {
 		parser->space_tokens = 1;
 		(yyval.token_list) = _token_list_create (parser);
@@ -2308,7 +2293,7 @@ yyreduce:
   case 64:
 
 /* Line 1464 of yacc.c  */
-#line 435 "glcpp/glcpp-parse.y"
+#line 420 "glcpp/glcpp-parse.y"
     {
 		(yyval.token_list) = (yyvsp[(1) - (2)].token_list);
 		_token_list_append ((yyval.token_list), (yyvsp[(2) - (2)].token));
@@ -2319,7 +2304,7 @@ yyreduce:
   case 65:
 
 /* Line 1464 of yacc.c  */
-#line 443 "glcpp/glcpp-parse.y"
+#line 428 "glcpp/glcpp-parse.y"
     {
 		(yyval.token) = _token_create_str (parser, IDENTIFIER, (yyvsp[(1) - (1)].str));
 		(yyval.token)->location = yylloc;
@@ -2329,7 +2314,7 @@ yyreduce:
   case 66:
 
 /* Line 1464 of yacc.c  */
-#line 447 "glcpp/glcpp-parse.y"
+#line 432 "glcpp/glcpp-parse.y"
     {
 		(yyval.token) = _token_create_str (parser, INTEGER_STRING, (yyvsp[(1) - (1)].str));
 		(yyval.token)->location = yylloc;
@@ -2339,7 +2324,7 @@ yyreduce:
   case 67:
 
 /* Line 1464 of yacc.c  */
-#line 451 "glcpp/glcpp-parse.y"
+#line 436 "glcpp/glcpp-parse.y"
     {
 		(yyval.token) = _token_create_ival (parser, (yyvsp[(1) - (1)].ival), (yyvsp[(1) - (1)].ival));
 		(yyval.token)->location = yylloc;
@@ -2349,7 +2334,7 @@ yyreduce:
   case 68:
 
 /* Line 1464 of yacc.c  */
-#line 455 "glcpp/glcpp-parse.y"
+#line 440 "glcpp/glcpp-parse.y"
     {
 		(yyval.token) = _token_create_str (parser, OTHER, (yyvsp[(1) - (1)].str));
 		(yyval.token)->location = yylloc;
@@ -2359,7 +2344,7 @@ yyreduce:
   case 69:
 
 /* Line 1464 of yacc.c  */
-#line 459 "glcpp/glcpp-parse.y"
+#line 444 "glcpp/glcpp-parse.y"
     {
 		(yyval.token) = _token_create_ival (parser, SPACE, SPACE);
 		(yyval.token)->location = yylloc;
@@ -2369,224 +2354,224 @@ yyreduce:
   case 70:
 
 /* Line 1464 of yacc.c  */
-#line 466 "glcpp/glcpp-parse.y"
+#line 451 "glcpp/glcpp-parse.y"
     { (yyval.ival) = '['; ;}
     break;
 
   case 71:
 
 /* Line 1464 of yacc.c  */
-#line 467 "glcpp/glcpp-parse.y"
+#line 452 "glcpp/glcpp-parse.y"
     { (yyval.ival) = ']'; ;}
     break;
 
   case 72:
 
 /* Line 1464 of yacc.c  */
-#line 468 "glcpp/glcpp-parse.y"
+#line 453 "glcpp/glcpp-parse.y"
     { (yyval.ival) = '('; ;}
     break;
 
   case 73:
 
 /* Line 1464 of yacc.c  */
-#line 469 "glcpp/glcpp-parse.y"
+#line 454 "glcpp/glcpp-parse.y"
     { (yyval.ival) = ')'; ;}
     break;
 
   case 74:
 
 /* Line 1464 of yacc.c  */
-#line 470 "glcpp/glcpp-parse.y"
+#line 455 "glcpp/glcpp-parse.y"
     { (yyval.ival) = '{'; ;}
     break;
 
   case 75:
 
 /* Line 1464 of yacc.c  */
-#line 471 "glcpp/glcpp-parse.y"
+#line 456 "glcpp/glcpp-parse.y"
     { (yyval.ival) = '}'; ;}
     break;
 
   case 76:
 
 /* Line 1464 of yacc.c  */
-#line 472 "glcpp/glcpp-parse.y"
+#line 457 "glcpp/glcpp-parse.y"
     { (yyval.ival) = '.'; ;}
     break;
 
   case 77:
 
 /* Line 1464 of yacc.c  */
-#line 473 "glcpp/glcpp-parse.y"
+#line 458 "glcpp/glcpp-parse.y"
     { (yyval.ival) = '&'; ;}
     break;
 
   case 78:
 
 /* Line 1464 of yacc.c  */
-#line 474 "glcpp/glcpp-parse.y"
+#line 459 "glcpp/glcpp-parse.y"
     { (yyval.ival) = '*'; ;}
     break;
 
   case 79:
 
 /* Line 1464 of yacc.c  */
-#line 475 "glcpp/glcpp-parse.y"
+#line 460 "glcpp/glcpp-parse.y"
     { (yyval.ival) = '+'; ;}
     break;
 
   case 80:
 
 /* Line 1464 of yacc.c  */
-#line 476 "glcpp/glcpp-parse.y"
+#line 461 "glcpp/glcpp-parse.y"
     { (yyval.ival) = '-'; ;}
     break;
 
   case 81:
 
 /* Line 1464 of yacc.c  */
-#line 477 "glcpp/glcpp-parse.y"
+#line 462 "glcpp/glcpp-parse.y"
     { (yyval.ival) = '~'; ;}
     break;
 
   case 82:
 
 /* Line 1464 of yacc.c  */
-#line 478 "glcpp/glcpp-parse.y"
+#line 463 "glcpp/glcpp-parse.y"
     { (yyval.ival) = '!'; ;}
     break;
 
   case 83:
 
 /* Line 1464 of yacc.c  */
-#line 479 "glcpp/glcpp-parse.y"
+#line 464 "glcpp/glcpp-parse.y"
     { (yyval.ival) = '/'; ;}
     break;
 
   case 84:
 
 /* Line 1464 of yacc.c  */
-#line 480 "glcpp/glcpp-parse.y"
+#line 465 "glcpp/glcpp-parse.y"
     { (yyval.ival) = '%'; ;}
     break;
 
   case 85:
 
 /* Line 1464 of yacc.c  */
-#line 481 "glcpp/glcpp-parse.y"
+#line 466 "glcpp/glcpp-parse.y"
     { (yyval.ival) = LEFT_SHIFT; ;}
     break;
 
   case 86:
 
 /* Line 1464 of yacc.c  */
-#line 482 "glcpp/glcpp-parse.y"
+#line 467 "glcpp/glcpp-parse.y"
     { (yyval.ival) = RIGHT_SHIFT; ;}
     break;
 
   case 87:
 
 /* Line 1464 of yacc.c  */
-#line 483 "glcpp/glcpp-parse.y"
+#line 468 "glcpp/glcpp-parse.y"
     { (yyval.ival) = '<'; ;}
     break;
 
   case 88:
 
 /* Line 1464 of yacc.c  */
-#line 484 "glcpp/glcpp-parse.y"
+#line 469 "glcpp/glcpp-parse.y"
     { (yyval.ival) = '>'; ;}
     break;
 
   case 89:
 
 /* Line 1464 of yacc.c  */
-#line 485 "glcpp/glcpp-parse.y"
+#line 470 "glcpp/glcpp-parse.y"
     { (yyval.ival) = LESS_OR_EQUAL; ;}
     break;
 
   case 90:
 
 /* Line 1464 of yacc.c  */
-#line 486 "glcpp/glcpp-parse.y"
+#line 471 "glcpp/glcpp-parse.y"
     { (yyval.ival) = GREATER_OR_EQUAL; ;}
     break;
 
   case 91:
 
 /* Line 1464 of yacc.c  */
-#line 487 "glcpp/glcpp-parse.y"
+#line 472 "glcpp/glcpp-parse.y"
     { (yyval.ival) = EQUAL; ;}
     break;
 
   case 92:
 
 /* Line 1464 of yacc.c  */
-#line 488 "glcpp/glcpp-parse.y"
+#line 473 "glcpp/glcpp-parse.y"
     { (yyval.ival) = NOT_EQUAL; ;}
     break;
 
   case 93:
 
 /* Line 1464 of yacc.c  */
-#line 489 "glcpp/glcpp-parse.y"
+#line 474 "glcpp/glcpp-parse.y"
     { (yyval.ival) = '^'; ;}
     break;
 
   case 94:
 
 /* Line 1464 of yacc.c  */
-#line 490 "glcpp/glcpp-parse.y"
+#line 475 "glcpp/glcpp-parse.y"
     { (yyval.ival) = '|'; ;}
     break;
 
   case 95:
 
 /* Line 1464 of yacc.c  */
-#line 491 "glcpp/glcpp-parse.y"
+#line 476 "glcpp/glcpp-parse.y"
     { (yyval.ival) = AND; ;}
     break;
 
   case 96:
 
 /* Line 1464 of yacc.c  */
-#line 492 "glcpp/glcpp-parse.y"
+#line 477 "glcpp/glcpp-parse.y"
     { (yyval.ival) = OR; ;}
     break;
 
   case 97:
 
 /* Line 1464 of yacc.c  */
-#line 493 "glcpp/glcpp-parse.y"
+#line 478 "glcpp/glcpp-parse.y"
     { (yyval.ival) = ';'; ;}
     break;
 
   case 98:
 
 /* Line 1464 of yacc.c  */
-#line 494 "glcpp/glcpp-parse.y"
+#line 479 "glcpp/glcpp-parse.y"
     { (yyval.ival) = ','; ;}
     break;
 
   case 99:
 
 /* Line 1464 of yacc.c  */
-#line 495 "glcpp/glcpp-parse.y"
+#line 480 "glcpp/glcpp-parse.y"
     { (yyval.ival) = '='; ;}
     break;
 
   case 100:
 
 /* Line 1464 of yacc.c  */
-#line 496 "glcpp/glcpp-parse.y"
+#line 481 "glcpp/glcpp-parse.y"
     { (yyval.ival) = PASTE; ;}
     break;
 
 
 
 /* Line 1464 of yacc.c  */
-#line 2590 "glcpp/glcpp-parse.c"
+#line 2575 "glcpp/glcpp-parse.c"
       default: break;
     }
   YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
@@ -2805,7 +2790,7 @@ yyreturn:
 
 
 /* Line 1684 of yacc.c  */
-#line 499 "glcpp/glcpp-parse.y"
+#line 484 "glcpp/glcpp-parse.y"
 
 
 string_list_t *
@@ -3397,6 +3382,20 @@ _token_list_create_with_one_space (void *ctx)
 	return list;
 }
 
+static void
+_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list)
+{
+	token_list_t *expanded;
+	token_t *token;
+
+	expanded = _token_list_create (parser);
+	token = _token_create_ival (parser, type, type);
+	_token_list_append (expanded, token);
+	_glcpp_parser_expand_token_list (parser, list);
+	_token_list_append_list (expanded, list);
+	glcpp_parser_lex_from (parser, expanded);
+}
+
 /* This is a helper function that's essentially part of the
  * implementation of _glcpp_parser_expand_node. It shouldn't be called
  * except for by that function.
-- 
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