linux-kernel - [PATCH 11/27] kconfig: remove redundant if

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Date:   Tue, 11 Dec 2018 20:00:54 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     linux-kbuild@...r.kernel.org
Cc:     Ulf Magnusson <ulfalizer@...il.com>, linux-kernel@...r.kernel.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>
Subject: [PATCH 11/27] kconfig: remove redundant if_block rule

The code block surrounded by "if" ... "endif" is stmt_list.

Remove the redundant if_block symbol entirely.

Remove "stmt_list: stmt_list end" rule as well since it would
obviously cause conflicts.

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

 scripts/kconfig/zconf.y | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
index a92f167..dcbf643 100644
--- a/scripts/kconfig/zconf.y
+++ b/scripts/kconfig/zconf.y
@@ -123,7 +123,6 @@ stmt_list:
 	| stmt_list common_stmt
 	| stmt_list choice_stmt
 	| stmt_list menu_stmt
-	| stmt_list end			{ zconf_error("unexpected end statement"); }
 	| stmt_list T_WORD error T_EOL	{ zconf_error("unknown statement \"%s\"", $2); }
 	| stmt_list error T_EOL		{ zconf_error("invalid statement"); }
 ;
@@ -330,14 +329,7 @@ if_end: end
 	}
 };
 
-if_stmt: if_entry if_block if_end
-;
-
-if_block:
-	  /* empty */
-	| if_block common_stmt
-	| if_block menu_stmt
-	| if_block choice_stmt
+if_stmt: if_entry stmt_list if_end
 ;
 
 /* menu entry */
-- 
2.7.4