Module Name:    src
Committed By:   rillig
Date:           Tue Jul  6 17:52:05 UTC 2021

Modified Files:
        src/usr.bin/xlint/lint1: cgram.y

Log Message:
lint: align grammar rules for enum-specifier with C99

No functional change.


To generate a diff of this commit:
cvs rdiff -u -r1.258 -r1.259 src/usr.bin/xlint/lint1/cgram.y

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/usr.bin/xlint/lint1/cgram.y
diff -u src/usr.bin/xlint/lint1/cgram.y:1.258 src/usr.bin/xlint/lint1/cgram.y:1.259
--- src/usr.bin/xlint/lint1/cgram.y:1.258	Tue Jul  6 16:02:44 2021
+++ src/usr.bin/xlint/lint1/cgram.y	Tue Jul  6 17:52:04 2021
@@ -1,5 +1,5 @@
 %{
-/* $NetBSD: cgram.y,v 1.258 2021/07/06 16:02:44 rillig Exp $ */
+/* $NetBSD: cgram.y,v 1.259 2021/07/06 17:52:04 rillig Exp $ */
 
 /*
  * Copyright (c) 1996 Christopher G. Demetriou.  All Rights Reserved.
@@ -35,7 +35,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: cgram.y,v 1.258 2021/07/06 16:02:44 rillig Exp $");
+__RCSID("$NetBSD: cgram.y,v 1.259 2021/07/06 17:52:04 rillig Exp $");
 #endif
 
 #include <limits.h>
@@ -300,8 +300,7 @@ anonymize(sym_t *s)
 %type	<y_tnode>	constant_expr
 %type	<y_tnode>	array_size
 %type	<y_sym>		enum_declaration
-%type	<y_sym>		enums_with_opt_comma
-%type	<y_sym>		enums
+%type	<y_sym>		enumerator_list
 %type	<y_sym>		enumerator
 %type	<y_sym>		enumeration_constant
 %type	<y_sym>		notype_direct_decl
@@ -964,7 +963,7 @@ enum_tag:
 	;
 
 enum_declaration:
-	  enum_decl_lbrace enums_with_opt_comma T_RBRACE {
+	  enum_decl_lbrace enumerator_list enumerator_list_comma_opt T_RBRACE {
 		$$ = $2;
 	  }
 	;
@@ -976,9 +975,19 @@ enum_decl_lbrace:
 	  }
 	;
 
-enums_with_opt_comma:
-	  enums
-	| enums T_COMMA {
+enumerator_list:		/* C99 6.7.2.2 */
+	  enumerator
+	| enumerator_list T_COMMA enumerator {
+		$$ = lnklst($1, $3);
+	  }
+	| error {
+		$$ = NULL;
+	  }
+	;
+
+enumerator_list_comma_opt:
+	  /* empty */
+	| T_COMMA {
 		if (sflag) {
 			/* trailing ',' prohibited in enum declaration */
 			error(54);
@@ -986,21 +995,10 @@ enums_with_opt_comma:
 			/* trailing ',' prohibited in enum declaration */
 			c99ism(54);
 		}
-		$$ = $1;
-	  }
-	;
-
-enums:
-	  enumerator
-	| enums T_COMMA enumerator {
-		$$ = lnklst($1, $3);
-	  }
-	| error {
-		$$ = NULL;
 	  }
 	;
 
-enumerator:
+enumerator:			/* C99 6.7.2.2 */
 	  enumeration_constant {
 		$$ = enumeration_constant($1, enumval, true);
 	  }

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