-- Copyright (C) 1985 by Xerox Corporation.  All rights reserved.
-- Stub file  was translated on March 7, 1985 11:44:57 am PST by Lupine of March 6, 1985 8:13:46 am PST
-- Source interface Target came from file Target.bcd, which was created on March 7, 1985 11:44:45 am PST with version stamp 234#313#31370206177 from source of February 11, 1985 9:18:37 am PST.

-- The RPC stub modules for Target are:
--   TargetRpcControl.mesa;
--   TargetRpcClientImpl.mesa;
--   TargetRpcBinderImpl.mesa;
--   TargetRpcServerImpl.mesa.

-- The parameters for this translation are:
--   Target language = Cedar
--   Default parameter passing = VALUE
--   Deallocate server heap arguments = TRUE
--   Inline RpcServerImpl dispatcher stubs = TRUE
--   Declare signals = TRUE
--   Warn about short POINTER ("MDS") allocations = TRUE
--   Maximum number of dynamic heap NEWs = 50, MDS NEWs = 50
--   Acceptable parameter protocols = VersionRange[1..1].


DIRECTORY
  Rope,
  Target,
  TargetRpcControl USING [InterfaceRecord, InterMdsCallsOnly, LupineProtocolVersion,
      ProcedureIndex, SignalIndex],
  RPC --USING SOME OF [InterfaceName, standardZones, Zones]--,
  RPCLupine --USING SOME OF [Alloc, Call, DataLength, DeAlloc, Dispatcher,
      -- GetPkt, GetStubPkt, ImportHandle, ImportInterface, maxDataLength,
      -- maxPrincipalLength, maxShortStringLength, pktOverhead, ReceiveExtraPkt,
      -- SendPrelimPkt, StartCall, StartSignal, StubPkt, UnimportInterface]--,
  LupineRuntime --USING SOME OF [BindingError, CheckPktLength, CopyFromPkt,
      -- CopyFromMultiplePkts, CopyToPkt, CopyToMultiplePkts, defaultZones,
      -- DispatchingError, FinishThisPkt, ListHeader, MarshalingError,
      -- MarshalingExprError, MarshalAtom, MarshalRope, NilHeader, ProtocolError,
      -- RopeHeader, RpcPktDoubleWord, RuntimeError, SequenceHeader, SHORT,
      -- StartNextPkt, StringHeader, StubPktDoubleWord, TranslationError,
      -- UnmarshalingError, UnmarshalingExprError, UnmarshalAtom, UnmarshalRope,
      -- WordsForChars]--,
  Atom --USING SOME OF [GetPName, MakeAtom]--,
  PrincOpsUtils --USING SOME OF [Enter, Exit]--,
  VM --USING SOME OF [AddressForPageNumber, PageCount, PageNumber,
      -- PageNumberForAddress, PagesForWords]--;


TargetRpcClientImpl: MONITOR
  IMPORTS RpcPrivate: RPCLupine, Lupine: LupineRuntime, Atom, PrincOpsUtils,
      Rope
  EXPORTS Target, TargetRpcControl
  SHARES  Target, TargetRpcControl, Rope
  = BEGIN OPEN Target, RpcControl: TargetRpcControl, RpcPublic: RPC;


-- Standard remote binding routines.

  bound: BOOLEAN _ FALSE;
  myInterface: RpcPrivate.ImportHandle;
  paramZones: RpcPublic.Zones _ RpcPublic.standardZones;

  ImportInterface: PUBLIC ENTRY SAFE PROCEDURE [
        interfaceName: RpcPublic.InterfaceName,
        parameterStorage: RpcPublic.Zones ] =
    TRUSTED BEGIN ENABLE UNWIND => NULL;
    IsNull: PROCEDURE [string: Rope.ROPE] RETURNS [BOOLEAN] =
      INLINE {RETURN[string.Length[] = 0]};
    IF bound THEN Lupine.BindingError;
    myInterface _ RpcPrivate.ImportInterface [
      interface: [
        type: IF ~IsNull[interfaceName.type]
          THEN interfaceName.type ELSE "Target~234#313#31370206177",
        instance: interfaceName.instance,
        version: interfaceName.version ],
      localOnly: RpcControl.InterMdsCallsOnly,
      stubProtocol: RpcControl.LupineProtocolVersion ];
    paramZones _ [
      gc: IF parameterStorage.gc # NIL
        THEN parameterStorage.gc ELSE Lupine.defaultZones.gc,
      heap: IF parameterStorage.heap # NIL
        THEN parameterStorage.heap ELSE Lupine.defaultZones.heap,
      mds: IF parameterStorage.mds # NIL
        THEN parameterStorage.mds ELSE Lupine.defaultZones.mds ];
    bound _ TRUE;
    END;

  UnimportInterface: PUBLIC ENTRY SAFE PROCEDURE =
    TRUSTED BEGIN ENABLE UNWIND => NULL;
    IF ~bound THEN Lupine.BindingError;
    myInterface _ RpcPrivate.UnimportInterface[myInterface];
    paramZones _ RpcPublic.standardZones;
    bound _ FALSE;
    END;



-- Remote public procedure stubs.

  Basic: PUBLIC SAFE PROCEDURE =
    TRUSTED BEGIN
    ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
        transferIndex (0): RpcControl.ProcedureIndex _ Basic];
    pktBuffer: ARRAY [1..RpcPrivate.pktOverhead+1] OF WORD;
    pkt: RpcPrivate.StubPkt = RpcPrivate.GetStubPkt[space: @pktBuffer];
    argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
    pktLength: RpcPrivate.DataLength _ 1;
    lastPkt: BOOLEAN;
    RpcPrivate.StartCall[callPkt: pkt, interface: myInterface];
    argPkt.transferIndex _ Basic;
    [returnLength: , lastPkt: lastPkt] _
      RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
          maxReturnLength: 0, signalHandler: ClientDispatcher];
    Lupine.CheckPktLength[pkt: pkt, pktLength: 0];
    RETURN[];
    END;  -- Basic.

  Simple: PUBLIC SAFE PROCEDURE [first: INT, second: REF INT] RETURNS
      [a: Rope.ROPE, b: ATOM] =
    TRUSTED BEGIN
    ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
        transferIndex (0): RpcControl.ProcedureIndex _ Simple, first (1):
        INT];
    pkt: RpcPrivate.RPCPkt = RpcPrivate.GetPkt[space: RpcPrivate.AllocInline[RpcPrivate.pktOverhead+254]];
    argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
    pktLength: RpcPrivate.DataLength _ 3;
    lastPkt: BOOLEAN;
    BEGIN ENABLE UNWIND => RpcPrivate.DeAlloc[LOOPHOLE[pkt], RpcPrivate.pktOverhead+254];
      RpcPrivate.StartCall[callPkt: pkt, interface: myInterface];
      argPkt^ _ [first: first];
      BEGIN  -- Marshal second: REF INT to pkt.data[pktLength].
        pkt.data[pktLength] _ second=NIL;  pktLength _ pktLength+1;
        IF second # NIL THEN
          BEGIN
          Lupine.RpcPktDoubleWord[pkt, pktLength]^ _ second^;
          pktLength _ pktLength + 2;
          END;
        END;  -- Marshal second.
      [returnLength: , lastPkt: lastPkt] _
        RpcPrivate.Call[ pkt: pkt, callLength: pktLength,
            maxReturnLength: 254, signalHandler: ClientDispatcher];
      pktLength _ 0;
      BEGIN  -- Unmarshal a: Rope.ROPE from pkt.data[pktLength].
        ropeIsNIL: Lupine.NilHeader;
        IF pktLength+2 > RpcPrivate.maxDataLength
          THEN pktLength _ Lupine.FinishThisPkt[pkt: pkt, pktLength:
              pktLength];
        ropeIsNIL _ pkt.data[pktLength];  pktLength _ pktLength+1;
        IF ropeIsNIL
          THEN a _ NIL
          ELSE BEGIN
            ropeLength: Lupine.RopeHeader;
            textRope: Rope.Text;
            ropeLength _ pkt.data[pktLength];  pktLength _ pktLength+1;
            IF ropeLength > LAST[NAT]
              THEN Lupine.UnmarshalingError;
            a _ textRope _ Rope.NewText[size: ropeLength];
            pktLength _ Lupine.CopyFromPkt[pkt: pkt, pktLength: pktLength,
                dataAdr: BASE[DESCRIPTOR[textRope.text]], dataLength: Lupine.WordsForChars[ropeLength],
                alwaysOnePkt: FALSE];
            END;  -- IF ropeIsNIL.
        END;  -- Unmarshal a.
      BEGIN  -- Unmarshal b: ATOM from pkt.data[pktLength].
        pNameOfAtom: Rope.ROPE;
        ropeIsNIL: Lupine.NilHeader;
        IF pktLength+2 > RpcPrivate.maxDataLength
          THEN pktLength _ Lupine.FinishThisPkt[pkt: pkt, pktLength:
              pktLength];
        ropeIsNIL _ pkt.data[pktLength];  pktLength _ pktLength+1;
        IF ropeIsNIL
          THEN pNameOfAtom _ NIL
          ELSE BEGIN
            ropeLength: Lupine.RopeHeader;
            textRope: Rope.Text;
            ropeLength _ pkt.data[pktLength];  pktLength _ pktLength+1;
            IF ropeLength > LAST[NAT]
              THEN Lupine.UnmarshalingError;
            pNameOfAtom _ textRope _ Rope.NewText[size: ropeLength];
            pktLength _ Lupine.CopyFromPkt[pkt: pkt, pktLength: pktLength,
                dataAdr: BASE[DESCRIPTOR[textRope.text]], dataLength: Lupine.WordsForChars[ropeLength],
                alwaysOnePkt: FALSE];
            END;  -- IF ropeIsNIL.
        b _ Atom.MakeAtom[--pName:-- pNameOfAtom];
        END;  -- Unmarshal b.
      Lupine.CheckPktLength[pkt: pkt, pktLength: pktLength];
      RpcPrivate.DeAllocInline[LOOPHOLE[pkt], RpcPrivate.pktOverhead+254];
      RETURN[a, b];
      END;  -- UNWIND.
    END;  -- Simple.


-- Remote public signals and errors.

  Exception: PUBLIC ERROR [why: Reason] = CODE;

  Consultation: PUBLIC SAFE SIGNAL = CODE;


-- Public signal and error dispatcher.

  ClientDispatcher: --PROCEDURE [pkt: RPCPkt, callLength: DataLength,
      -- lastPkt: BOOLEAN, localConversation: Conversation] RETURNS [returnLength:
      -- DataLength]-- RpcPrivate.Dispatcher =
    BEGIN

    SELECT LOOPHOLE[pkt.data[0], RpcControl.SignalIndex] FROM
      Exception => RETURN[
        ExceptionStub[pkt: pkt, callLength: callLength, lastPkt: lastPkt,
            localConversation: localConversation]];
      Consultation => RETURN[
        ConsultationStub[pkt: pkt, callLength: callLength, lastPkt:
            lastPkt, localConversation: localConversation]];
      ENDCASE => RETURN[Lupine.DispatchingError[]];

    END;  -- ClientDispatcher


-- Public signal and error dispatcher stubs.

  ExceptionStub: --ERROR [why: Reason]-- RpcPrivate.Dispatcher =
    INLINE BEGIN
    ArgumentOverlay: TYPE = MACHINE DEPENDENT RECORD [
        transferIndex (0): RpcControl.SignalIndex, why (1): Reason];
    argPkt: LONG POINTER TO ArgumentOverlay = @pkt.data[0];
    Lupine.CheckPktLength[pkt: pkt, pktLength: 2];
    ERROR Exception[argPkt.why];
    END;  -- ExceptionStub.

  ConsultationStub: --SIGNAL-- RpcPrivate.Dispatcher =
    INLINE BEGIN
    pktLength: RpcPrivate.DataLength;
    Lupine.CheckPktLength[pkt: pkt, pktLength: 1];
    SIGNAL Consultation[];
    pktLength _ 0;
    RETURN[returnLength: pktLength];
    END;  -- ConsultationStub.


-- No module initialization.

END.  -- TargetRpcClientImpl.