Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753216Ab2JDSJp (ORCPT ); Thu, 4 Oct 2012 14:09:45 -0400 Received: from casper.infradead.org ([85.118.1.10]:39793 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751948Ab2JDSJa (ORCPT ); Thu, 4 Oct 2012 14:09:30 -0400 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Namhyung Kim , David Ahern , Frederic Weisbecker , Peter Zijlstra , Arnaldo Carvalho de Melo Subject: [PATCH 28/42] perf tools: Long option completion support for each subcommands Date: Thu, 4 Oct 2012 15:08:28 -0300 Message-Id: <1349374122-27806-29-git-send-email-acme@infradead.org> X-Mailer: git-send-email 1.7.9.2.358.g22243 In-Reply-To: <1349374122-27806-1-git-send-email-acme@infradead.org> References: <1349374122-27806-1-git-send-email-acme@infradead.org> Content-Type: text/plain; charset="UTF-8" X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3103 Lines: 85 From: Namhyung Kim Add internal --list-opts option to print all of long option names to stdout so that it can be used for bash completion engine. Signed-off-by: Namhyung Kim Acked-by: Frederic Weisbecker Cc: David Ahern Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1349191294-6926-4-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/bash_completion | 9 +++++++-- tools/perf/util/parse-options.c | 8 ++++++++ tools/perf/util/parse-options.h | 1 + 3 files changed, 16 insertions(+), 2 deletions(-) diff --git a/tools/perf/bash_completion b/tools/perf/bash_completion index bef06f0..5c355ab 100644 --- a/tools/perf/bash_completion +++ b/tools/perf/bash_completion @@ -33,8 +33,13 @@ _perf() fi # List possible events for -e option elif [[ $prev == "-e" && "${COMP_WORDS[1]}" == @(record|stat|top) ]]; then - cmds=$($cmd list --raw-dump) - COMPREPLY=( $( compgen -W '$cmds' -- "$cur" ) ) + evts=$($cmd list --raw-dump) + COMPREPLY=( $( compgen -W '$evts' -- "$cur" ) ) + # List long option names + elif [[ $cur == --* ]]; then + subcmd=${COMP_WORDS[1]} + opts=$($cmd $subcmd --list-opts) + COMPREPLY=( $( compgen -W '$opts' -- "$cur" ) ) # Fall down to list regular files else _filedir diff --git a/tools/perf/util/parse-options.c b/tools/perf/util/parse-options.c index 443fc11..2bc9e70 100644 --- a/tools/perf/util/parse-options.c +++ b/tools/perf/util/parse-options.c @@ -384,6 +384,8 @@ int parse_options_step(struct parse_opt_ctx_t *ctx, return usage_with_options_internal(usagestr, options, 1); if (internal_help && !strcmp(arg + 2, "help")) return parse_options_usage(usagestr, options); + if (!strcmp(arg + 2, "list-opts")) + return PARSE_OPT_LIST; switch (parse_long_opt(ctx, arg + 2, options)) { case -1: return parse_options_usage(usagestr, options); @@ -422,6 +424,12 @@ int parse_options(int argc, const char **argv, const struct option *options, exit(129); case PARSE_OPT_DONE: break; + case PARSE_OPT_LIST: + while (options->type != OPTION_END) { + printf("--%s ", options->long_name); + options++; + } + exit(130); default: /* PARSE_OPT_UNKNOWN */ if (ctx.argv[0][1] == '-') { error("unknown option `%s'", ctx.argv[0] + 2); diff --git a/tools/perf/util/parse-options.h b/tools/perf/util/parse-options.h index abc31a1..7bb5999 100644 --- a/tools/perf/util/parse-options.h +++ b/tools/perf/util/parse-options.h @@ -140,6 +140,7 @@ extern NORETURN void usage_with_options(const char * const *usagestr, enum { PARSE_OPT_HELP = -1, PARSE_OPT_DONE, + PARSE_OPT_LIST, PARSE_OPT_UNKNOWN, }; -- 1.7.1 -- 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/