linux-kernel - [PATCH 07/27] kconfig: clean up EOF handling in the lexer

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Message-Id: <1544526070-16690-8-git-send-email-yamada.masahiro@socionext.com>
Date:   Tue, 11 Dec 2018 20:00:50 +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 07/27] kconfig: clean up EOF handling in the lexer

A new file should always start in the INITIAL state.

When the lexer bumps into EOF, the lexer must get back to the INITIAL
state anyway. Remove the redundant <<EOF>> pattern in the PARAM state.

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

 scripts/kconfig/zconf.l | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index 847ba42..9038e97 100644
--- a/scripts/kconfig/zconf.l
+++ b/scripts/kconfig/zconf.l
@@ -178,9 +178,6 @@ n	[A-Za-z0-9_-]
 	\\\n	;
 	[[:blank:]]+
 	.	warn_ignored_character(*yytext);
-	<<EOF>> {
-		BEGIN(INITIAL);
-	}
 }
 
 <STRING>{
@@ -262,6 +259,8 @@ n	[A-Za-z0-9_-]
 }
 
 <<EOF>>	{
+	BEGIN(INITIAL);
+
 	if (current_file) {
 		zconf_endfile();
 		return T_EOL;
-- 
2.7.4