From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752583AbeEQGYP (ORCPT ); Thu, 17 May 2018 02:24:15 -0400 Received: from conuserg-10.nifty.com ([210.131.2.77]:24993 "EHLO conuserg-10.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751396AbeEQGTQ (ORCPT ); Thu, 17 May 2018 02:19:16 -0400 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-10.nifty.com w4H6HbUF002841 X-Nifty-SrcIP: [153.142.97.92] From: Masahiro Yamada To: linux-kbuild@vger.kernel.org Cc: Linus Torvalds , Sam Ravnborg , Ulf Magnusson , "Luis R . Rodriguez" , linux-kernel@vger.kernel.org, Nicholas Piggin , Kees Cook , Emese Revfy , x86@kernel.org, Masahiro Yamada Subject: [PATCH v4 17/31] kconfig: add 'filename' and 'lineno' built-in variables Date: Thu, 17 May 2018 15:16:56 +0900 Message-Id: <1526537830-22606-18-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1526537830-22606-1-git-send-email-yamada.masahiro@socionext.com> References: <1526537830-22606-1-git-send-email-yamada.masahiro@socionext.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The special variables, $(filename) and $(lineno), are expanded to a file name and its line number being parsed, respectively. Suggested-by: Randy Dunlap Signed-off-by: Masahiro Yamada --- Changes in v4: - Newly added Changes in v3: None Changes in v2: None scripts/kconfig/preprocess.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/scripts/kconfig/preprocess.c b/scripts/kconfig/preprocess.c index 88844a7..c39e30e 100644 --- a/scripts/kconfig/preprocess.c +++ b/scripts/kconfig/preprocess.c @@ -111,6 +111,11 @@ static char *do_error(int argc, char *argv[], int old_argc, char *old_argv[]) return NULL; } +static char *do_filename(int argc, char *argv[], int old_argc, char *old_argv[]) +{ + return xstrdup(current_file->name); +} + static char *do_if(int argc, char *argv[], int old_argc, char *old_argv[]) { char *cond, *p, *res; @@ -144,6 +149,15 @@ static char *do_info(int argc, char *argv[], int old_argc, char *old_argv[]) return xstrdup(""); } +static char *do_lineno(int argc, char *argv[], int old_argc, char *old_argv[]) +{ + char buf[16]; + + sprintf(buf, "%d", yylineno); + + return xstrdup(buf); +} + static char *do_shell(int argc, char *argv[], int old_argc, char *old_argv[]) { FILE *p; @@ -194,8 +208,10 @@ static char *do_warning(int argc, char *argv[], int old_argc, char *old_argv[]) static const struct function function_table[] = { /* Name MIN MAX EXP? Function */ { "error", 1, 1, true, do_error }, + { "filename", 0, 0, false, do_filename }, { "if", 2, 3, false, do_if }, { "info", 1, 1, true, do_info }, + { "lineno", 0, 0, false, do_lineno }, { "shell", 1, 1, true, do_shell }, { "warning", 1, 1, true, do_warning }, }; -- 2.7.4