Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752899Ab1CIX7N (ORCPT ); Wed, 9 Mar 2011 18:59:13 -0500 Received: from smtp-out.google.com ([216.239.44.51]:17366 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752491Ab1CIX7I (ORCPT ); Wed, 9 Mar 2011 18:59:08 -0500 DomainKey-Signature: a=rsa-sha1; s=beta; d=google.com; c=nofws; q=dns; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=dYgSnszWIFsG8PuCf69QN3RA51orYr+547Hf6e2Jrotw/wTFzvZVAEtblEcGMMqAG hGNaJGeAG8aDpHOmu0pkg== From: David Sharp To: linux-kernel@vger.kernel.org, rostedt@goodmis.org Cc: mrubin@google.com, David Sharp Subject: [PATCH trace-cmd 2/3] parse-events: support additional operators: '!', '~', and '!=' Date: Wed, 9 Mar 2011 15:58:56 -0800 Message-Id: <1299715137-22768-2-git-send-email-dhsharp@google.com> X-Mailer: git-send-email 1.7.3.1 In-Reply-To: <1299715137-22768-1-git-send-email-dhsharp@google.com> References: <1299715137-22768-1-git-send-email-dhsharp@google.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1555 Lines: 60 Add support for the unary operators '!' and '~', and support '!=' so that it is differentiated from '!'. Signed-off-by: David Sharp --- parse-events.c | 19 +++++++++++++++++++ 1 files changed, 19 insertions(+), 0 deletions(-) diff --git a/parse-events.c b/parse-events.c index bfb7ff5..507621b 100644 --- a/parse-events.c +++ b/parse-events.c @@ -1564,6 +1564,9 @@ static int get_op_prio(char *op) { if (!op[1]) { switch (op[0]) { + case '~': + case '!': + return 4; case '*': case '/': case '%': @@ -1642,6 +1645,7 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok) goto out_free; } switch (token[0]) { + case '~': case '!': case '+': case '-': @@ -2981,6 +2985,21 @@ eval_num_arg(void *data, int size, struct event_format *event, struct print_arg left = eval_num_arg(data, size, event, arg->op.left); right = eval_num_arg(data, size, event, arg->op.right); switch (arg->op.op[0]) { + case '!': + switch (arg->op.op[1]) { + case 0: + val = !right; + break; + case '=': + val = left != right; + break; + default: + die("unknown op '%s'", arg->op.op); + } + break; + case '~': + val = ~right; + break; case '|': if (arg->op.op[1]) val = left || right; -- 1.7.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/