--- a/src/HOLCF/IOA/ABP/Sender.thy Sat Nov 27 14:34:54 2010 -0800
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,55 +0,0 @@
-(* Title: HOLCF/IOA/ABP/Sender.thy
- Author: Olaf Müller
-*)
-
-header {* The implementation: sender *}
-
-theory Sender
-imports IOA Action Lemmas
-begin
-
-types
- 'm sender_state = "'m list * bool" -- {* messages, Alternating Bit *}
-
-definition
- sq :: "'m sender_state => 'm list" where
- "sq = fst"
-
-definition
- sbit :: "'m sender_state => bool" where
- "sbit = snd"
-
-definition
- sender_asig :: "'m action signature" where
- "sender_asig = ((UN m. {S_msg(m)}) Un (UN b. {R_ack(b)}),
- UN pkt. {S_pkt(pkt)},
- {})"
-
-definition
- sender_trans :: "('m action, 'm sender_state)transition set" where
- "sender_trans =
- {tr. let s = fst(tr);
- t = snd(snd(tr))
- in case fst(snd(tr))
- of
- Next => if sq(s)=[] then t=s else False |
- S_msg(m) => sq(t)=sq(s)@[m] &
- sbit(t)=sbit(s) |
- R_msg(m) => False |
- S_pkt(pkt) => sq(s) ~= [] &
- hdr(pkt) = sbit(s) &
- msg(pkt) = hd(sq(s)) &
- sq(t) = sq(s) &
- sbit(t) = sbit(s) |
- R_pkt(pkt) => False |
- S_ack(b) => False |
- R_ack(b) => if b = sbit(s) then
- sq(t)=tl(sq(s)) & sbit(t)=(~sbit(s)) else
- sq(t)=sq(s) & sbit(t)=sbit(s)}"
-
-definition
- sender_ioa :: "('m action, 'm sender_state)ioa" where
- "sender_ioa =
- (sender_asig, {([],True)}, sender_trans,{},{})"
-
-end