From 8c5f0a84c6b16e04195001bfd78281909519cf09 Mon Sep 17 00:00:00 2001
From: Jiri Olsa <jolsa@redhat.com>
Date: Wed, 4 Jul 2012 00:00:39 +0200
Subject: perf tools: Add empty rule for new line in event syntax parsing

The flex generator prints out each input character that is ignored by
lex rules.

Since the alias processing, we can have '\n' characters on input. We
need to assign empty rule to it, so it's not printed out.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1341352848-11833-2-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/parse-events.l | 1 +
 1 file changed, 1 insertion(+)

(limited to 'tools/perf')

diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l
index a0668947421..6cbe092e6c3 100644
--- a/tools/perf/util/parse-events.l
+++ b/tools/perf/util/parse-events.l
@@ -152,6 +152,7 @@ r{num_raw_hex}		{ return raw(yyscanner); }
 ,			{ return ','; }
 :			{ return ':'; }
 =			{ return '='; }
+\n			{ }
 
 <mem>{
 {modifier_bp}		{ return str(yyscanner, PE_MODIFIER_BP); }
-- 
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