Module Name: src
Committed By: rillig
Date: Thu Jul 15 18:13:25 UTC 2021
Modified Files:
src/usr.bin/xlint/lint1: cgram.y lint1.h
Log Message:
lint: rename grammar rule 'declaration' to 'declaration_or_error'
This prepares for merging the duplicate code from top_level_declaration.
The code coverage outside cgram.y is exactly the same as before.
No functional change.
To generate a diff of this commit:
cvs rdiff -u -r1.325 -r1.326 src/usr.bin/xlint/lint1/cgram.y
cvs rdiff -u -r1.114 -r1.115 src/usr.bin/xlint/lint1/lint1.h
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:1.325 src/usr.bin/xlint/lint1/cgram.y:1.326
--- src/usr.bin/xlint/lint1/cgram.y:1.325 Thu Jul 15 17:20:57 2021
+++ src/usr.bin/xlint/lint1/cgram.y Thu Jul 15 18:13:25 2021
@@ -1,5 +1,5 @@
%{
-/* $NetBSD: cgram.y,v 1.325 2021/07/15 17:20:57 rillig Exp $ */
+/* $NetBSD: cgram.y,v 1.326 2021/07/15 18:13:25 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 1.325 2021/07/15 17:20:57 rillig Exp $");
+__RCSID("$NetBSD: cgram.y,v 1.326 2021/07/15 18:13:25 rillig Exp $");
#endif
#include <limits.h>
@@ -181,7 +181,7 @@ anonymize(sym_t *s)
/*
* predefined type keywords (char, int, short, long, unsigned, signed,
- * float, double, void); see T_TYPENAME
+ * float, double, void); see T_TYPENAME for types from typedef
*/
%token <y_tspec> T_TYPE
@@ -527,7 +527,7 @@ gcc_statement_expr_list:
;
gcc_statement_expr_item:
- declaration {
+ declaration_or_error {
clear_warning_flags();
$$ = NULL;
}
@@ -720,6 +720,11 @@ constant_expr: /* C99 6.6 */
conditional_expression
;
+declaration_or_error:
+ declaration
+ | error T_SEMI
+ ;
+
declaration: /* C99 6.7 */
begin_type_declmods end_type T_SEMI {
if (dcs->d_scl == TYPEDEF) {
@@ -742,7 +747,6 @@ declaration: /* C99 6.7 */
}
| begin_type_declaration_specifiers end_type
type_init_declarators T_SEMI
- | error T_SEMI
;
begin_type_declaration_specifiers: /* see C99 6.7 */
@@ -1672,7 +1676,7 @@ block_item_list: /* C99 6.8.2 */
;
block_item: /* C99 6.8.2 */
- declaration {
+ declaration_or_error {
$$ = false;
restore_warning_flags();
}
Index: src/usr.bin/xlint/lint1/lint1.h
diff -u src/usr.bin/xlint/lint1/lint1.h:1.114 src/usr.bin/xlint/lint1/lint1.h:1.115
--- src/usr.bin/xlint/lint1/lint1.h:1.114 Sat Jul 10 17:35:54 2021
+++ src/usr.bin/xlint/lint1/lint1.h Thu Jul 15 18:13:25 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: lint1.h,v 1.114 2021/07/10 17:35:54 rillig Exp $ */
+/* $NetBSD: lint1.h,v 1.115 2021/07/15 18:13:25 rillig Exp $ */
/*
* Copyright (c) 1996 Christopher G. Demetriou. All Rights Reserved.
@@ -209,11 +209,11 @@ typedef enum {
} symt_t;
/*
- * storage classes
+ * storage classes and related things
*/
typedef enum {
NOSCL,
- EXTERN, /* external symbols (indep. of decl_t) */
+ EXTERN, /* external symbols (independent of decl_t) */
STATIC, /* static symbols (local and global) */
AUTO, /* automatic symbols (except register) */
REG, /* register */