786 lines
25 KiB
C++
786 lines
25 KiB
C++
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/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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Copyright (c) 1989-1999 Microsoft Corporation
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Module Name:
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ndrcls.hxx
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Abstract:
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Contains definitions for ndr related code generation class definitions.
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Notes:
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History:
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VibhasC Jul-29-1993 Created.
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----------------------------------------------------------------------------*/
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#ifndef __NDRCLS_HXX__
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#define __NDRCLS_HXX__
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#include "nulldefs.h"
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extern "C"
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{
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#include <stdio.h>
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}
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#include "uact.hxx"
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#include "cgcls.hxx"
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#include "fldattr.hxx"
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class CG_STRUCT;
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/////////////////////////////////////////////////////////////////////////////
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// The base ndr related code generation class.
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/////////////////////////////////////////////////////////////////////////////
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#if COMMENT
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The ndr code generation class corresponds to an entity that actually goes
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over the wire. This class therefore corresponds to an actual type or proc
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that was specified in the idl file. This class can be contrasted with
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the auxillary code generation classes that correspond to stuff like binding,
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declarations in the stub, and other housekeeping functions. Note that while
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the ndr class actually keeps a pointer to the type declarations in the idl
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file, it makes no assumptions about the information kept in the type graph
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and hence can only make specific queries about the type, ask the type to
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print itself out and so on.
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#endif // COMMENT
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class CG_NDR : public CG_CLASS
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{
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private:
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unsigned short WireAlignment;
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unsigned short MemoryAlignment;
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unsigned long MemorySize;
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unsigned long WireSize;
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//
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// These fields specify the allocation stuff for server side parameters.
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//
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S_STUB_ALLOC_LOCATION AllocLocation : 2;
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S_STUB_ALLOC_TYPE AllocType : 2;
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S_STUB_INIT_NEED InitNeed : 2;
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// Keep an indication of where this is allocated;
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unsigned long fAllocatedOnStack : 1;
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unsigned long FixUpLock : 1;
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unsigned long InFixedBufferSize : 1;
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unsigned long ComplexFixupLock : 1;
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//
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// Keep a link to the actual specification of the type.
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//
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node_skl * pTypeNode;
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// the string name (if any) for the actual type
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char * pNodeName;
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// Keep track of the resource allocated for this node.
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RESOURCE * pResource;
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//
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// This is the offset from the beginning of the Ndr format string
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// where an Ndr entity's description is. This is only used when
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// optimization options equal OPTIMIZE_SIZE.
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//
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long FormatStringOffset;
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long FormatStringEndOffset;
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// This is used only for fixing offsets for recursive embedded objects.
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long InitialFormatStringOffset;
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TREGISTRY * pEmbeddedComplexFixupRegistry;
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// UnMarshalling action recommendations
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U_ACTION UAction;
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protected:
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node_range_attr* pRangeAttr;
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public:
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CG_NDR( const CG_NDR & Node )
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{
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*this = Node;
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if ( Node.pResource )
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pResource = (RESOURCE*)Node.pResource->Clone();
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}
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CG_NDR( node_skl * pT, XLAT_SIZE_INFO & Info ) :
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pRangeAttr( 0 )
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{
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pTypeNode = pT;
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FormatStringOffset = -1;
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FormatStringEndOffset = -1;
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SetSizesAndAlignments( Info );
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SetUAction(AN_NONE, RA_NONE, UA_NONE, PR_NONE);
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SetResource( 0 );
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SetAllocatedOnStack( 0 );
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SetFixUpLock( 0 );
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SetInFixedBufferSize( FALSE );
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pNodeName = (pT) ? pT->GetSymName() : "";
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SetComplexFixupLock( 0 );
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InitialFormatStringOffset = -1;
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pEmbeddedComplexFixupRegistry = NULL;
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SetSStubAllocLocation(
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S_STUB_ALLOC_LOCATION_UNKNOWN );
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SetSStubAllocType( S_STUB_ALLOC_TYPE_NONE );
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SetSStubInitNeed( S_STUB_INIT_NOT_NEEDED );
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}
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virtual
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void * CheckImportLib();
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//
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// Get and set routines.
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//
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virtual void
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SetRangeAttribute (
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node_range_attr* pRange
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)
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{
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pRangeAttr = pRange;
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}
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virtual node_range_attr*
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GetRangeAttribute ()
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{
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return pRangeAttr;
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}
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virtual
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void SetSizesAndAlignments( XLAT_SIZE_INFO & Info )
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{
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SetWireAlignment( Info.GetWireAlign() );
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SetWireSize( Info.GetWireSize() );
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SetMemoryAlignment( Info.GetMemAlign() );
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SetMemorySize( Info.GetMemSize() );
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}
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void SetAllocatedOnStack( unsigned long Flag )
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{
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fAllocatedOnStack = Flag;
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}
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BOOL IsAllocatedOnStack()
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{
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return (BOOL)( fAllocatedOnStack == 1 );
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}
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// Set the unmarshalling action recommendation stuff.
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unsigned short SetAllocNeed( unsigned short A )
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{
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return UAction.SetAllocNeed( A );
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}
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unsigned short GetAllocNeed()
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{
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return UAction.GetAllocNeed();
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}
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unsigned short SetRefAction( unsigned short R )
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{
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return UAction.SetRefAction( R );
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}
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unsigned short GetRefAction()
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{
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return UAction.GetRefAction();
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}
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unsigned short SetUnMarAction( unsigned short U )
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{
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return UAction.SetUnMarAction( U );
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}
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unsigned short GetUnMarAction()
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{
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return UAction.GetUnMarAction();
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}
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unsigned short SetPresentedExprAction( unsigned short P )
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{
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return UAction.SetPresentedExprAction( P );
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}
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unsigned short GetPresentedExprAction()
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{
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return UAction.GetPresentedExprAction();
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}
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void SetUAction( unsigned short A,
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unsigned short R,
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unsigned short U,
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unsigned short P
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)
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{
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UAction.SetUAction( A, R, U, P );
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}
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U_ACTION SetUAction( U_ACTION UA )
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{
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return UAction.SetUAction( UA );
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}
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unsigned short GetMemoryAlignment()
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{
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return MemoryAlignment;
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}
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unsigned short SetMemoryAlignment( unsigned short MA )
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{
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return (MemoryAlignment = MA);
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}
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unsigned short SetWireAlignment( unsigned short WA )
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{
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return (WireAlignment = WA);
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}
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unsigned short GetWireAlignment()
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{
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return WireAlignment;
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}
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unsigned long SetWireSize( unsigned long WS )
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{
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return (WireSize = WS);
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}
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unsigned long GetWireSize()
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{
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return WireSize;
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}
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unsigned long SetMemorySize( unsigned long WS )
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{
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return (MemorySize = WS);
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}
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unsigned long GetMemorySize()
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{
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return MemorySize;
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}
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node_skl * GetType()
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{
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return pTypeNode;
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}
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node_skl * SetType( node_skl * pT )
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{
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return pTypeNode = pT;
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}
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char * GetSymName()
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{
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return pNodeName;
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}
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// skip over any place-holders the current node points to
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// does NOT progress if GetType() is a non-place holder
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node_skl * GetBasicType();
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RESOURCE * SetResource( RESOURCE * pR )
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{
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return (pResource = pR);
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}
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RESOURCE * GetResource()
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{
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return pResource;
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}
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virtual
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RESOURCE * SetSizeResource( RESOURCE * )
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{
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return 0;
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}
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virtual
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RESOURCE * SetLengthResource( RESOURCE * )
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{
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return 0;
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}
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virtual
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RESOURCE * GetSizeResource()
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{
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return 0;
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}
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virtual
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RESOURCE * GetLengthResource()
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{
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return 0;
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}
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virtual
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RESOURCE * SetFirstResource( RESOURCE * )
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{
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return 0;
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}
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virtual
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RESOURCE * GetFirstResource()
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{
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return 0;
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}
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S_STUB_ALLOC_LOCATION SetSStubAllocLocation( S_STUB_ALLOC_LOCATION L )
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{
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return (AllocLocation = L);
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}
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S_STUB_ALLOC_LOCATION GetSStubAllocLocation()
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{
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return AllocLocation;
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}
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S_STUB_ALLOC_TYPE SetSStubAllocType( S_STUB_ALLOC_TYPE T )
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{
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return (AllocType = T);
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}
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S_STUB_ALLOC_TYPE GetSStubAllocType()
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{
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return AllocType;
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}
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S_STUB_INIT_NEED SetSStubInitNeed( S_STUB_INIT_NEED N )
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{
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return (InitNeed = N );
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}
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S_STUB_INIT_NEED GetSStubInitNeed()
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{
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return InitNeed;
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}
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void SetFixUpLock( int state )
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{
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FixUpLock = state ? 1 : 0;
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}
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BOOL IsInFixUp()
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{
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return FixUpLock == 1;
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}
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long GetInitialOffset()
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{
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return( InitialFormatStringOffset );
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}
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void SetInitialOffset( long offset )
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{
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InitialFormatStringOffset = offset;
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}
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void SetComplexFixupLock( int state )
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{
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ComplexFixupLock = state ? 1 : 0;
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}
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BOOL IsInComplexFixup()
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{
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return ComplexFixupLock == 1;
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}
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||
|
|
|
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TREGISTRY * GetEmbeddedComplexFixupRegistry()
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{
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return( pEmbeddedComplexFixupRegistry );
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}
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||
|
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//
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// Queries.
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//
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virtual
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||
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|
BOOL IsAHandle()
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{
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return FALSE;
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}
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||
|
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|
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virtual
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||
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|
bool IsHomogeneous(FORMAT_CHARACTER)
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||
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{
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return false;
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}
|
||
|
|
|
||
|
|
//
|
||
|
|
// code generation methods.
|
||
|
|
//
|
||
|
|
|
||
|
|
//
|
||
|
|
// Client side binding analysis.
|
||
|
|
//
|
||
|
|
|
||
|
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virtual
|
||
|
|
CG_STATUS C_BindingAnalysis( ANALYSIS_INFO * )
|
||
|
|
{
|
||
|
|
return CG_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Client side marshalling code generation.
|
||
|
|
//
|
||
|
|
|
||
|
|
virtual
|
||
|
|
CG_STATUS GenSizing( CCB * )
|
||
|
|
{
|
||
|
|
MIDL_ASSERT(0);
|
||
|
|
return CG_OK;
|
||
|
|
}
|
||
|
|
virtual
|
||
|
|
CG_STATUS GenMarshall( CCB * )
|
||
|
|
{
|
||
|
|
MIDL_ASSERT(0);
|
||
|
|
return CG_OK;
|
||
|
|
}
|
||
|
|
virtual
|
||
|
|
CG_STATUS GenUnMarshall( CCB * )
|
||
|
|
{
|
||
|
|
MIDL_ASSERT(0);
|
||
|
|
return CG_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual
|
||
|
|
CG_STATUS GenFree( CCB * )
|
||
|
|
{
|
||
|
|
MIDL_ASSERT(0);
|
||
|
|
return CG_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual
|
||
|
|
expr_node * PresentedSizeExpression( CCB * pCCB );
|
||
|
|
|
||
|
|
virtual
|
||
|
|
expr_node * PresentedLengthExpression( CCB * pCCB );
|
||
|
|
|
||
|
|
virtual
|
||
|
|
expr_node * PresentedFirstExpression( CCB * pCCB );
|
||
|
|
|
||
|
|
virtual
|
||
|
|
CG_STATUS S_GenInitOutLocals( CCB* )
|
||
|
|
{
|
||
|
|
return CG_OK;
|
||
|
|
}
|
||
|
|
virtual
|
||
|
|
CG_STATUS S_GenInitTopLevelStuff( CCB* )
|
||
|
|
{
|
||
|
|
return CG_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// NDR format string calls.
|
||
|
|
//
|
||
|
|
|
||
|
|
// Generate the format string.
|
||
|
|
virtual
|
||
|
|
void GenNdrFormat( CCB * ) /* = 0 */
|
||
|
|
{
|
||
|
|
// Should always be redefined.
|
||
|
|
MIDL_ASSERT(0);
|
||
|
|
|
||
|
|
// REVIEW: It turns out that several classes
|
||
|
|
// don't redefine this. What are the
|
||
|
|
// ramifications of that?
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// This method is called to generate offline portions of a type's
|
||
|
|
// format string.
|
||
|
|
//
|
||
|
|
virtual
|
||
|
|
void GenNdrParamOffline( CCB * pCCB )
|
||
|
|
{
|
||
|
|
GenNdrFormat( pCCB );
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Generates a parameter's description.
|
||
|
|
//
|
||
|
|
virtual
|
||
|
|
void GenNdrParamDescription( CCB * pCCB );
|
||
|
|
|
||
|
|
virtual
|
||
|
|
void GetNdrParamAttributes(
|
||
|
|
CCB *pCCB,
|
||
|
|
PARAM_ATTRIBUTES *attributes );
|
||
|
|
|
||
|
|
//
|
||
|
|
// Generates the old style NDR 1.1 parameter description.
|
||
|
|
//
|
||
|
|
virtual
|
||
|
|
void GenNdrParamDescriptionOld( CCB * pCCB );
|
||
|
|
|
||
|
|
//
|
||
|
|
// Should an NDR call be made to free all/some of the data.
|
||
|
|
//
|
||
|
|
virtual
|
||
|
|
BOOL ShouldFreeOffline()
|
||
|
|
{
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Generate the inlined portion of the data's freeing.
|
||
|
|
//
|
||
|
|
virtual
|
||
|
|
void GenFreeInline( CCB * )
|
||
|
|
{
|
||
|
|
// Doing nothing is ok.
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// In stndr.cxx.
|
||
|
|
//
|
||
|
|
virtual
|
||
|
|
void GenNdrPointerFixUp( CCB * pCCB,
|
||
|
|
CG_STRUCT * pStruct );
|
||
|
|
|
||
|
|
// Recursion may require embedded fixups as well.
|
||
|
|
|
||
|
|
void RegisterComplexEmbeddedForFixup(
|
||
|
|
CG_NDR * pEmbeddedComplex,
|
||
|
|
long RelativeOffset );
|
||
|
|
|
||
|
|
void FixupEmbeddedComplex( CCB * pCCB );
|
||
|
|
|
||
|
|
short GetListOfEmbeddedComplex( ITERATOR& I )
|
||
|
|
{
|
||
|
|
return pEmbeddedComplexFixupRegistry->
|
||
|
|
GetListOfTypes( I );
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Figure out if we have a fixed buffer size.
|
||
|
|
//
|
||
|
|
virtual
|
||
|
|
long FixedBufferSize( CCB * )
|
||
|
|
{
|
||
|
|
return - 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL IsInFixedBufferSize()
|
||
|
|
{
|
||
|
|
return InFixedBufferSize;
|
||
|
|
}
|
||
|
|
|
||
|
|
void SetInFixedBufferSize( BOOL fIn )
|
||
|
|
{
|
||
|
|
InFixedBufferSize = fIn ? 1 : 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Figure out if the Interpreter must free this data.
|
||
|
|
//
|
||
|
|
virtual
|
||
|
|
BOOL InterpreterMustFree( CCB * )
|
||
|
|
{
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Only the CG_BASETYPE class should re-define this virtual function
|
||
|
|
// to return TRUE.
|
||
|
|
//
|
||
|
|
virtual
|
||
|
|
BOOL IsSimpleType()
|
||
|
|
{
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
virtual
|
||
|
|
BOOL IsPointer()
|
||
|
|
{
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
virtual
|
||
|
|
BOOL IsPipeOrPipeReference()
|
||
|
|
{
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual
|
||
|
|
BOOL IsPointerToBaseType()
|
||
|
|
{
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual
|
||
|
|
BOOL IsStruct()
|
||
|
|
{
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
virtual
|
||
|
|
BOOL IsProc()
|
||
|
|
{
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual
|
||
|
|
BOOL IsArray()
|
||
|
|
{
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual
|
||
|
|
BOOL IsVarying()
|
||
|
|
{
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// miscellaneous methods.
|
||
|
|
//
|
||
|
|
|
||
|
|
virtual
|
||
|
|
expr_node * GenBindOrUnBindExpression( CCB * pCCB, BOOL )
|
||
|
|
{
|
||
|
|
return pCCB->GetSourceExpression();
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set and Get the offset in the format string where this entity's
|
||
|
|
// description is. CG_UNION redefines these.
|
||
|
|
//
|
||
|
|
|
||
|
|
virtual
|
||
|
|
void SetFormatStringOffset( long offset )
|
||
|
|
{
|
||
|
|
FormatStringOffset = offset;
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual
|
||
|
|
long GetFormatStringOffset()
|
||
|
|
{
|
||
|
|
return FormatStringOffset;
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual
|
||
|
|
void SetFormatStringEndOffset( long offset )
|
||
|
|
{
|
||
|
|
FormatStringEndOffset = offset;
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual
|
||
|
|
long GetFormatStringEndOffset()
|
||
|
|
{
|
||
|
|
return FormatStringEndOffset;
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual
|
||
|
|
CG_STATUS FollowerMarshallAnalysis( ANALYSIS_INFO * pAna )
|
||
|
|
{
|
||
|
|
return ((CG_NDR *)GetChild())->FollowerMarshallAnalysis( pAna );
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual
|
||
|
|
CG_STATUS MarshallAnalysis( ANALYSIS_INFO * pAna );
|
||
|
|
|
||
|
|
virtual
|
||
|
|
CG_STATUS SizeAnalysis( ANALYSIS_INFO * pAna );
|
||
|
|
|
||
|
|
virtual
|
||
|
|
CG_STATUS FollowerUnMarshallAnalysis( ANALYSIS_INFO * pAna )
|
||
|
|
{
|
||
|
|
return ((CG_NDR *)GetChild())->FollowerUnMarshallAnalysis( pAna );
|
||
|
|
}
|
||
|
|
virtual
|
||
|
|
CG_STATUS UnMarshallAnalysis( ANALYSIS_INFO * )
|
||
|
|
{
|
||
|
|
return CG_OK;
|
||
|
|
}
|
||
|
|
virtual
|
||
|
|
CG_STATUS S_OutLocalAnalysis( ANALYSIS_INFO * )
|
||
|
|
{
|
||
|
|
return CG_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual
|
||
|
|
CG_STATUS RefCheckAnalysis( ANALYSIS_INFO * pAna );
|
||
|
|
|
||
|
|
virtual
|
||
|
|
CG_STATUS GenRefChecks( CCB * pCCB );
|
||
|
|
|
||
|
|
virtual
|
||
|
|
CG_STATUS S_FreeAnalysis( ANALYSIS_INFO * )
|
||
|
|
{
|
||
|
|
return CG_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual
|
||
|
|
U_ACTION RecommendUAction( SIDE CurrentSide,
|
||
|
|
BOOL fMemoryAllocated,
|
||
|
|
BOOL fRefAllocated,
|
||
|
|
BOOL fBufferReUsePossible,
|
||
|
|
UAFLAGS AdditionalFlags );
|
||
|
|
|
||
|
|
virtual
|
||
|
|
BOOL IsBlockCopyPossible()
|
||
|
|
{
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
virtual
|
||
|
|
BOOL HasPointer()
|
||
|
|
{
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
virtual
|
||
|
|
BOOL HasAFixedBufferSize()
|
||
|
|
{
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
virtual
|
||
|
|
BOOL HasStatuses()
|
||
|
|
{
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
virtual
|
||
|
|
unsigned short GetStatuses()
|
||
|
|
{
|
||
|
|
return STATUS_NONE;
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual
|
||
|
|
CG_STATUS GenAllocateForUnMarshall( CCB * )
|
||
|
|
{
|
||
|
|
return CG_OK;
|
||
|
|
}
|
||
|
|
virtual
|
||
|
|
CG_STATUS InLocalAnalysis( ANALYSIS_INFO * pAna );
|
||
|
|
|
||
|
|
virtual
|
||
|
|
CG_STATUS S_GenInitInLocals( CCB * pCCB );
|
||
|
|
|
||
|
|
virtual
|
||
|
|
CG_STATUS GenHeader( CCB * )
|
||
|
|
{
|
||
|
|
return CG_OK;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
typedef struct _EMB_COMPLEX_FIXUP
|
||
|
|
{
|
||
|
|
CG_NDR * pEmbeddedNdr;
|
||
|
|
long RelativeOffset;
|
||
|
|
} EMB_COMPLEX_FIXUP;
|
||
|
|
|
||
|
|
typedef struct _POINTER_FIXUP
|
||
|
|
{
|
||
|
|
CG_NDR * pNdr;
|
||
|
|
long AbsoluteOffset;
|
||
|
|
bool fFixed;
|
||
|
|
} POINTER_FIXUP;
|
||
|
|
|
||
|
|
#endif // __NDRCLS_HXX__
|