From ec4bb216aa5a2bae48db6374f78684fbe8e2df45 Mon Sep 17 00:00:00 2001
From: mdw <mdw>
Date: Sun, 10 Oct 1999 16:45:13 +0000
Subject: [PATCH 1/1] Text file reference for the grammar.  Not distributed.

---
 grammar | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 grammar

diff --git a/grammar b/grammar
new file mode 100644
index 0000000..ae3f4a7
--- /dev/null
+++ b/grammar
@@ -0,0 +1,75 @@
+Basic syntax
+	file ::= empty | file stmt [`;']
+	stmt ::= option-stmt | fw-stmt
+	fw-stmt ::= `fw' source options [`to'|`->'] target options
+	options ::= `{' option-seq `}'
+	option-seq ::= empty | option-stmt [`;'] option-seq
+
+Option syntax
+	option-stmt ::= q-option
+	q-option ::= option
+	     | prefix `.' q-option
+	     | prefix `{' option-seq `}'
+	prefix ::= word
+
+File source and target
+	source ::= file
+	target ::= file
+	file ::= `file' [`.'] fspec [`,' fspec]
+	fspec ::= fd-spec | name-spec | null-spec
+	fd-spec ::= [[`:']`fd'[`:']] number|`stdin'|`stdout'
+	name-spec ::= [[`:']`file'[`:']] file-name
+	file-name ::= path-seq | [ path-seq ]
+	path-seq ::= path-elt | path-seq path-elt
+	path-elt ::= `/' | word
+	null-spec ::= [`:']`null'[`:']
+
+Exec source and target
+	source ::= exec
+	target ::= exec
+	exec ::= `exec' [`.'] cmd-spec
+	cmd-spec ::= shell-cmd | [prog-name] `[' argv0 arg-seq `]'
+	arg-seq ::= word | arg-seq word
+	shell-cmd ::= word
+	argv0 ::= word
+
+Socket source and target
+	source ::= socket-source
+	target ::= socket-target
+	socket-source ::= [`socket'[`.']] [[`:']addr-type[`:']] source-addr
+	socket-target ::= [`socket'[`.']] [[`:']addr-type[`:']] target-addr
+
+	inet-source-addr ::= [port] port
+	inet-target-addr ::= address [`:'] port
+	address ::= addr-elt | address addr-elt
+	addr-elt ::= `.' | word
+
+	unix-source-addr ::= file-name
+	unix-target-addr ::= file-name
+
+File attributes (`fattr')
+	prefix.fattr.mode [=] mode
+	prefix.fattr.owner [=] user
+	prefix.fattr.group [=] group
+
+File options
+	file.create [=] yes|no
+	file.open [=] no|truncate|append
+	file.fattr.*
+
+Exec options
+	exec.logging [=] yes|no
+	exec.dir [=] file-name
+	exec.root [=] file-name
+	exec.user [=] user
+	exec.group [=] group
+	exec.rlimit.limit[.hard|.soft] [=] value
+	exec.env.clear
+	exec.env.unset var
+	exec.env.[set] var [=] value
+
+Socket options
+	socket.conn [=] number
+	socket.logging [=] yes|no
+	socket.inet.[allow|deny] [from] address [/ address]
+	socket.unix.fattr.*
-- 
2.11.0