From 3f65d48264430428a2165f6a9f5a4e16f823f6b8 Mon Sep 17 00:00:00 2001
From: Zoffix Znet <cpan@zoffix.com>
Date: Thu, 19 May 2016 19:49:39 -0400
Subject: Start new design docs

---
 lib/old-IRC/Grammar.pm6 | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 lib/old-IRC/Grammar.pm6

(limited to 'lib/old-IRC/Grammar.pm6')

diff --git a/lib/old-IRC/Grammar.pm6 b/lib/old-IRC/Grammar.pm6
new file mode 100644
index 0000000..c05322c
--- /dev/null
+++ b/lib/old-IRC/Grammar.pm6
@@ -0,0 +1,20 @@
+unit grammar IRC::Grammar;
+token TOP { <message>+ }
+token SPACE { ' '+ }
+token message { [':' <prefix> <SPACE> ]? <command> <params> \n }
+    token prefix  {
+        [ <servername> || <nick> ['!' <user>]? ['@' <host>]? ]
+        <before <SPACE>>
+    }
+        token servername { <host> }
+        token nick { <letter> [ <letter> | <number> | <special> ]* }
+        token user { <-[\ \x0\r\n]>+?  <before [<SPACE> | '@']>}
+        token host { <-[\s!@]>+ }
+    token command { <letter>+ | <number>**3 }
+    token params { <SPACE>* [ ':' <trailing> | <middle> <params> ]? }
+        token middle { <-[:\ \x0\r\n]> <-[\ \x0\r\n]>* }
+        token trailing { <-[\x0\r\n]>* }
+
+    token letter { <[a..zA..Z]> }
+    token number { <[0..9]> }
+    token special { <[-_\[\]\\`^{}]> }
-- 
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