author | kleing |
Mon, 21 Jun 2004 10:25:57 +0200 | |
changeset 14981 | e73f8140af78 |
parent 12218 | 6597093b77e7 |
child 17244 | 0b2ff9541727 |
permissions | -rw-r--r-- |
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(* Title: HOLCF/IOA/ABP/Spec.thy |
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ID: $Id$ |
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Author: Olaf Müller |
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The specification of reliable transmission. |
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*) |
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Spec = List + IOA + Action + |
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consts |
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spec_sig :: "'m action signature" |
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spec_trans :: ('m action, 'm list)transition set |
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spec_ioa :: ('m action, 'm list)ioa |
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defs |
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sig_def "spec_sig == (UN m.{S_msg(m)}, |
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UN m.{R_msg(m)} Un {Next}, |
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{})" |
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trans_def "spec_trans == |
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{tr. let s = fst(tr); |
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t = snd(snd(tr)) |
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in |
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case fst(snd(tr)) |
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of |
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Next => t=s |\ (* Note that there is condition as in Sender *) |
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S_msg(m) => t = s@[m] | |
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R_msg(m) => s = (m#t) | |
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S_pkt(pkt) => False | |
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R_pkt(pkt) => False | |
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S_ack(b) => False | |
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R_ack(b) => False}" |
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ioa_def "spec_ioa == (spec_sig, {[]}, spec_trans)" |
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end |