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From: "lufia via GitGitGadget" <gitgitgadget@gmail.com>
To: git@vger.kernel.org
Cc: Junio C Hamano <gitster@pobox.com>, lufia <lufia@lufia.org>
Subject: [PATCH 4/6] Port generate-cmdline.sh to rc
Date: Sat, 03 Aug 2019 16:52:12 -0700 (PDT)	[thread overview]
Message-ID: <d25bcb43e1d8fe68717c6df57063427ab5a142f4.1564876327.git.gitgitgadget@gmail.com> (raw)
In-Reply-To: <pull.305.git.gitgitgadget@gmail.com>

From: lufia <lufia@lufia.org>

Signed-off-by: lufia <lufia@lufia.org>
---
 generate-cmdlist.rc | 102 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100755 generate-cmdlist.rc

diff --git a/generate-cmdlist.rc b/generate-cmdlist.rc
new file mode 100755
index 0000000000..18699ea9c4
--- /dev/null
+++ b/generate-cmdlist.rc
@@ -0,0 +1,102 @@
+#!/bin/rc
+
+rfork e
+
+fn die {
+	echo $* >[1=2]
+	exit die
+}
+
+fn command_list {
+	grep -v '^#' $1
+}
+
+fn get_categories {
+	tr ' ' '\x0a'|
+	grep -v '^$' |
+	sort |
+	uniq
+}
+
+fn category_list {
+	command_list $1 |
+	awk '{ print substr($0, 40) }' |
+	get_categories
+}
+
+fn get_synopsis {
+	sed -n '
+		/^NAME/,/'$1'/h
+		${
+			x
+			s/.*'$1' - (.*)/N_\("\1"\)/
+			p
+		}' Documentation/$1.txt
+}
+
+fn define_categories {
+	echo
+	echo '/* Command categories */'
+	bit=0
+	category_list $1 |
+	while(cat=`{read}){
+		echo '#define CAT_'$"cat' (1UL << '$bit')'
+		bit=`{hoc -e $bit' + 1'}
+	}
+	test $bit -gt 32 && die 'Urgh.. too many categories?'
+}
+
+fn define_category_names {
+	echo
+	echo '/* Category names */'
+	echo 'static const char *category_names[] = {'
+	bit=0
+	category_list $1 |
+	while(cat=`{read}){
+		echo '	"'$"cat'", /* (1UL << '$bit') */'
+		bit=`{hoc -e $bit' + 1'}
+	}
+	echo '	NULL,'
+	echo '};'
+}
+
+fn print_command_list {
+	echo 'static struct cmdname_help command_list[] = {'
+
+	command_list $1 |
+	while(a=`{read}){
+		s=`{get_synopsis $a(1)}
+		q=`{seq 2 $#a}
+		echo -n '	{ "'^$a(1)^'", '$"s', 0'
+		for(cat in `{echo $a($q) | get_categories})
+			echo -n ' | CAT_'^$cat
+		echo ' },'
+	}
+	echo '};'
+}
+
+fn print_config_list {
+	echo 'static const char *config_name_list[] = {'
+	grep -h '^[a-zA-Z].*\..*::$' Documentation/*config.txt Documentation/config/*.txt |
+	sed '/deprecated/d; s/::$//; s/,  */\n/g' |
+	sort |
+	while(line=`{read})
+		echo '	"'$"line'",'
+	echo '	NULL'
+	echo '};'
+}
+
+echo '/* Automatically generated by generate-cmdlist.sh */
+struct cmdname_help {
+	const char *name;
+	const char *help;
+	uint32_t category;
+};
+'
+define_categories $1
+echo
+define_category_names $1
+echo
+print_command_list $1
+echo
+print_config_list
-- 
gitgitgadget


  parent reply	other threads:[~2019-08-03 23:52 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-03 23:52 [PATCH 0/6] Port git to Plan 9 KADOTA, Kyohei via GitGitGadget
2019-08-03 23:52 ` [PATCH 1/6] Change HOME, PATH, and .gitconfig paths to be customizable lufia via GitGitGadget
2019-08-03 23:52 ` [PATCH 2/6] Fix C syntactic errors for the Plan 9 C compiler lufia via GitGitGadget
2019-08-03 23:52 ` [PATCH 3/6] GIT-VERSION-GEN: Use sed instead of expr lufia via GitGitGadget
2019-08-05 22:37   ` Junio C Hamano
2019-08-03 23:52 ` lufia via GitGitGadget [this message]
2019-08-03 23:52 ` [PATCH 5/6] Add plan9/wrap.c lufia via GitGitGadget
2019-08-04  0:03   ` brian m. carlson
2019-08-04  1:26     ` Kyohei Kadota
2019-08-03 23:52 ` [PATCH 6/6] Add mkfile to build git and subcommands for Plan 9 lufia via GitGitGadget
2019-08-04  0:38 ` [PATCH 0/6] Port git to " brian m. carlson
2019-08-04  2:22   ` Kyohei Kadota
2019-08-04 20:22     ` Jonathan Nieder
2019-08-27 13:46 ` [PATCH v2 0/3] " KADOTA, Kyohei via GitGitGadget
2019-08-27 13:46   ` [PATCH v2 1/3] Change HOME, PATH, and .gitconfig paths to be customizable lufia via GitGitGadget
2019-08-27 13:46   ` [PATCH v2 2/3] Fix C syntactic errors for the Plan 9 C compiler lufia via GitGitGadget
2019-08-27 13:46   ` [PATCH v2 3/3] Support Plan 9 dialect lufia via GitGitGadget

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