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(*
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File: MemClerkParameters.thy
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Author: Stephan Merz
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Copyright: 1997 University of Munich
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Theory Name: MemClerkParameters
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Logic Image: TLA
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RPC-Memory example: Parameters of the memory clerk.
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*)
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MemClerkParameters = RPCParameters +
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datatype mClkState = clkA | clkB
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types
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(* types sent on the clerk's send and receive channels are argument types
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of the memory and the RPC, respectively *)
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mClkSndArgType = "memOp"
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mClkRcvArgType = "rpcOp"
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constdefs
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(* translate a memory call to an RPC call *)
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MClkRelayArg :: "memOp => rpcOp"
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"MClkRelayArg marg == memcall marg"
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(* translate RPC failures to memory failures *)
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MClkReplyVal :: "Vals => Vals"
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"MClkReplyVal v == if v = RPCFailure then MemFailure else v"
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end
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