Module Name:    src
Committed By:   rillig
Date:           Thu Jul 15 20:05:49 UTC 2021

Modified Files:
        src/tests/usr.bin/xlint/lint1: decl_struct_c90.c decl_struct_c90.exp
            decl_struct_member.c decl_struct_member.exp msg_066.c msg_066.exp
        src/usr.bin/xlint/lint1: cgram.y err.c

Log Message:
lint: remove message 66 about missing semicolon in struct-declaration


To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/tests/usr.bin/xlint/lint1/decl_struct_c90.c \
    src/tests/usr.bin/xlint/lint1/decl_struct_c90.exp
cvs rdiff -u -r1.7 -r1.8 src/tests/usr.bin/xlint/lint1/decl_struct_member.c
cvs rdiff -u -r1.6 -r1.7 src/tests/usr.bin/xlint/lint1/decl_struct_member.exp
cvs rdiff -u -r1.3 -r1.4 src/tests/usr.bin/xlint/lint1/msg_066.c
cvs rdiff -u -r1.2 -r1.3 src/tests/usr.bin/xlint/lint1/msg_066.exp
cvs rdiff -u -r1.327 -r1.328 src/usr.bin/xlint/lint1/cgram.y
cvs rdiff -u -r1.129 -r1.130 src/usr.bin/xlint/lint1/err.c

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

Modified files:

Index: src/tests/usr.bin/xlint/lint1/decl_struct_c90.c
diff -u src/tests/usr.bin/xlint/lint1/decl_struct_c90.c:1.1 src/tests/usr.bin/xlint/lint1/decl_struct_c90.c:1.2
--- src/tests/usr.bin/xlint/lint1/decl_struct_c90.c:1.1	Thu Jul 15 19:51:29 2021
+++ src/tests/usr.bin/xlint/lint1/decl_struct_c90.c	Thu Jul 15 20:05:49 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: decl_struct_c90.c,v 1.1 2021/07/15 19:51:29 rillig Exp $	*/
+/*	$NetBSD: decl_struct_c90.c,v 1.2 2021/07/15 20:05:49 rillig Exp $	*/
 # 3 "decl_struct_c90.c"
 
 /*
@@ -9,10 +9,13 @@
 
 /*
  * All of K&R, C90, C99 require that a struct member declaration is
- * terminated with a semicolon.  No idea why lint allows the missing
- * semicolon in non-C90 mode.
+ * terminated with a semicolon.
+ *
+ * Before cgram.y 1.328 from 2021-07-15, lint allowed the missing semicolon
+ * in non-C90 mode, no idea why.
  */
 struct missing_semicolon {
 	int member
 };
-/* expect-1: error: syntax requires ';' after last struct/union member [66] */
+/* expect-1: error: syntax error '}' [249] */
+/* expect+1: error: cannot recover from previous errors [224] */
Index: src/tests/usr.bin/xlint/lint1/decl_struct_c90.exp
diff -u src/tests/usr.bin/xlint/lint1/decl_struct_c90.exp:1.1 src/tests/usr.bin/xlint/lint1/decl_struct_c90.exp:1.2
--- src/tests/usr.bin/xlint/lint1/decl_struct_c90.exp:1.1	Thu Jul 15 19:51:29 2021
+++ src/tests/usr.bin/xlint/lint1/decl_struct_c90.exp	Thu Jul 15 20:05:49 2021
@@ -1 +1,2 @@
-decl_struct_c90.c(17): error: syntax requires ';' after last struct/union member [66]
+decl_struct_c90.c(19): error: syntax error '}' [249]
+decl_struct_c90.c(22): error: cannot recover from previous errors [224]

Index: src/tests/usr.bin/xlint/lint1/decl_struct_member.c
diff -u src/tests/usr.bin/xlint/lint1/decl_struct_member.c:1.7 src/tests/usr.bin/xlint/lint1/decl_struct_member.c:1.8
--- src/tests/usr.bin/xlint/lint1/decl_struct_member.c:1.7	Thu Jul 15 19:51:29 2021
+++ src/tests/usr.bin/xlint/lint1/decl_struct_member.c	Thu Jul 15 20:05:49 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: decl_struct_member.c,v 1.7 2021/07/15 19:51:29 rillig Exp $	*/
+/*	$NetBSD: decl_struct_member.c,v 1.8 2021/07/15 20:05:49 rillig Exp $	*/
 # 3 "decl_struct_member.c"
 
 struct multi_attributes {
@@ -52,7 +52,7 @@ struct {
  */
 struct {
 	char a(_)0		/* expect: syntax error '0' */
-}				/* expect: ';' after last */
+}
 /*
  * FIXME: adding a semicolon here triggers another assertion:
  *

Index: src/tests/usr.bin/xlint/lint1/decl_struct_member.exp
diff -u src/tests/usr.bin/xlint/lint1/decl_struct_member.exp:1.6 src/tests/usr.bin/xlint/lint1/decl_struct_member.exp:1.7
--- src/tests/usr.bin/xlint/lint1/decl_struct_member.exp:1.6	Thu Jul 15 19:51:29 2021
+++ src/tests/usr.bin/xlint/lint1/decl_struct_member.exp	Thu Jul 15 20:05:49 2021
@@ -4,5 +4,4 @@ decl_struct_member.c(38): error: syntax 
 decl_struct_member.c(38): warning: empty declaration [0]
 decl_struct_member.c(47): error: syntax error 'unnamed member' [249]
 decl_struct_member.c(54): error: syntax error '0' [249]
-decl_struct_member.c(55): warning: syntax requires ';' after last struct/union member [66]
 decl_struct_member.c(62): error: cannot recover from previous errors [224]

Index: src/tests/usr.bin/xlint/lint1/msg_066.c
diff -u src/tests/usr.bin/xlint/lint1/msg_066.c:1.3 src/tests/usr.bin/xlint/lint1/msg_066.c:1.4
--- src/tests/usr.bin/xlint/lint1/msg_066.c:1.3	Sun Jan 31 11:12:07 2021
+++ src/tests/usr.bin/xlint/lint1/msg_066.c	Thu Jul 15 20:05:49 2021
@@ -1,8 +1,15 @@
-/*	$NetBSD: msg_066.c,v 1.3 2021/01/31 11:12:07 rillig Exp $	*/
+/*	$NetBSD: msg_066.c,v 1.4 2021/07/15 20:05:49 rillig Exp $	*/
 # 3 "msg_066.c"
 
 // Test for message: syntax requires ';' after last struct/union member [66]
 
+/*
+ * This message was removed in cgram.y 1.328 from 2021-07-15 because all
+ * C standards and even K&R require a semicolon.
+ */
+
 struct number {
 	int value
-};				/* expect: 66 */
+};
+/* expect-1: syntax error '}' [249] */
+/* expect+1: error: cannot recover from previous errors [224] */

Index: src/tests/usr.bin/xlint/lint1/msg_066.exp
diff -u src/tests/usr.bin/xlint/lint1/msg_066.exp:1.2 src/tests/usr.bin/xlint/lint1/msg_066.exp:1.3
--- src/tests/usr.bin/xlint/lint1/msg_066.exp:1.2	Fri Jan  8 21:25:03 2021
+++ src/tests/usr.bin/xlint/lint1/msg_066.exp	Thu Jul 15 20:05:49 2021
@@ -1 +1,2 @@
-msg_066.c(8): warning: syntax requires ';' after last struct/union member [66]
+msg_066.c(13): error: syntax error '}' [249]
+msg_066.c(16): error: cannot recover from previous errors [224]

Index: src/usr.bin/xlint/lint1/cgram.y
diff -u src/usr.bin/xlint/lint1/cgram.y:1.327 src/usr.bin/xlint/lint1/cgram.y:1.328
--- src/usr.bin/xlint/lint1/cgram.y:1.327	Thu Jul 15 18:18:15 2021
+++ src/usr.bin/xlint/lint1/cgram.y	Thu Jul 15 20:05:49 2021
@@ -1,5 +1,5 @@
 %{
-/* $NetBSD: cgram.y,v 1.327 2021/07/15 18:18:15 rillig Exp $ */
+/* $NetBSD: cgram.y,v 1.328 2021/07/15 20:05:49 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 1.327 2021/07/15 18:18:15 rillig Exp $");
+__RCSID("$NetBSD: cgram.y,v 1.328 2021/07/15 20:05:49 rillig Exp $");
 #endif
 
 #include <limits.h>
@@ -933,26 +933,17 @@ struct_declaration_lbrace:	/* see C99 6.
 	;
 
 struct_declaration_list_with_rbrace:	/* see C99 6.7.2.1 */
-	  struct_declaration_list T_SEMI T_RBRACE
-	| struct_declaration_list T_RBRACE {
-		if (sflag) {
-			/* syntax req. ';' after last struct/union member */
-			error(66);
-		} else {
-			/* syntax req. ';' after last struct/union member */
-			warning(66);
-		}
-		$$ = $1;
-	  }
+	  struct_declaration_list T_RBRACE
 	| T_RBRACE {
+		/* XXX: This is not allowed by any C standard. */
 		$$ = NULL;
 	  }
 	;
 
 struct_declaration_list:	/* C99 6.7.2.1 */
 	  struct_declaration
-	| struct_declaration_list T_SEMI struct_declaration {
-		$$ = lnklst($1, $3);
+	| struct_declaration_list struct_declaration {
+		$$ = lnklst($1, $2);
 	  }
 	;
 
@@ -960,22 +951,22 @@ struct_declaration:		/* C99 6.7.2.1 */
 	  begin_type_noclass_declmods end_type {
 		/* too late, i know, but getsym() compensates it */
 		symtyp = FMEMBER;
-	  } notype_struct_declarators type_attribute_opt {
+	  } notype_struct_declarators type_attribute_opt T_SEMI {
 		symtyp = FVFT;
 		$$ = $4;
 	  }
 	| begin_type_noclass_declspecs end_type {
 		symtyp = FMEMBER;
-	  } type_struct_declarators type_attribute_opt {
+	  } type_struct_declarators type_attribute_opt T_SEMI {
 		symtyp = FVFT;
 		$$ = $4;
 	  }
-	| begin_type_noclass_declmods end_type type_attribute_opt {
+	| begin_type_noclass_declmods end_type type_attribute_opt T_SEMI {
 		/* syntax error '%s' */
 		error(249, "member without type");
 		$$ = NULL;
 	  }
-	| begin_type_noclass_declspecs end_type type_attribute_opt {
+	| begin_type_noclass_declspecs end_type type_attribute_opt T_SEMI {
 		symtyp = FVFT;
 		if (!Sflag)
 			/* anonymous struct/union members is a C9X feature */
@@ -990,7 +981,7 @@ struct_declaration:		/* C99 6.7.2.1 */
 			$$ = NULL;
 		}
 	  }
-	| error {
+	| error T_SEMI {
 		symtyp = FVFT;
 		$$ = NULL;
 	  }

Index: src/usr.bin/xlint/lint1/err.c
diff -u src/usr.bin/xlint/lint1/err.c:1.129 src/usr.bin/xlint/lint1/err.c:1.130
--- src/usr.bin/xlint/lint1/err.c:1.129	Tue Jul 13 22:01:34 2021
+++ src/usr.bin/xlint/lint1/err.c	Thu Jul 15 20:05:49 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: err.c,v 1.129 2021/07/13 22:01:34 rillig Exp $	*/
+/*	$NetBSD: err.c,v 1.130 2021/07/15 20:05:49 rillig Exp $	*/
 
 /*
  * Copyright (c) 1994, 1995 Jochen Pohl
@@ -37,7 +37,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: err.c,v 1.129 2021/07/13 22:01:34 rillig Exp $");
+__RCSID("$NetBSD: err.c,v 1.130 2021/07/15 20:05:49 rillig Exp $");
 #endif
 
 #include <sys/types.h>
@@ -120,7 +120,7 @@ const char *const msgs[] = {
 	"prototype does not match old-style definition",	      /* 63 */
 	"()-less function definition",				      /* 64 */
 	"%s has no named members",				      /* 65 */
-	"syntax requires ';' after last struct/union member",	      /* 66 */
+	"",							      /* 66 */
 	"cannot return incomplete type",			      /* 67 */
 	"typedef already qualified with '%s'",			      /* 68 */
 	"inappropriate qualifiers with 'void'",			      /* 69 */

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