277 lines
6.2 KiB
C++
277 lines
6.2 KiB
C++
|
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
|
||
|
|
Copyright (c) 1989-1999 Microsoft Corporation
|
||
|
|
|
||
|
|
Module Name:
|
||
|
|
|
||
|
|
unioncls.hxx
|
||
|
|
|
||
|
|
Abstract:
|
||
|
|
|
||
|
|
Contains definitions for base type related code generation class
|
||
|
|
definitions.
|
||
|
|
|
||
|
|
Notes:
|
||
|
|
|
||
|
|
|
||
|
|
History:
|
||
|
|
|
||
|
|
GregJen Sep-30-1993 Created.
|
||
|
|
----------------------------------------------------------------------------*/
|
||
|
|
#ifndef __UNIONCLS_HXX__
|
||
|
|
#define __UNIONCLS_HXX__
|
||
|
|
|
||
|
|
#include "nulldefs.h"
|
||
|
|
|
||
|
|
extern "C"
|
||
|
|
{
|
||
|
|
#include <stdio.h>
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
#include "ndrcls.hxx"
|
||
|
|
#include "fldcls.hxx"
|
||
|
|
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
// the structure code generation class.
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
//
|
||
|
|
// This class corresponds to a non-encapsulated union type.
|
||
|
|
//
|
||
|
|
|
||
|
|
#define UNION_UNKNOWN 0x0
|
||
|
|
#define UNION_ENCAP 0x1
|
||
|
|
#define UNION_NONENCAP_DCE 0x2
|
||
|
|
#define UNION_NONENCAP_MS 0x3
|
||
|
|
|
||
|
|
class CG_UNION : public CG_COMP , CG_CLONEABLE
|
||
|
|
{
|
||
|
|
private:
|
||
|
|
|
||
|
|
//
|
||
|
|
// Used for Ndr format string generation so that non-switch_is union
|
||
|
|
// info is shared.
|
||
|
|
//
|
||
|
|
long NdrSizeAndArmDescriptionOffset;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Store the CCB in the union so that we can fix CG_UNION
|
||
|
|
// node sharing problem with format string offsets.
|
||
|
|
//
|
||
|
|
CCB * pCCB;
|
||
|
|
|
||
|
|
//
|
||
|
|
// store a CG node for the switch type ( NULL for encap unions (?) )
|
||
|
|
//
|
||
|
|
|
||
|
|
CG_NDR * pCGSwitchType;
|
||
|
|
|
||
|
|
//
|
||
|
|
// store the switch expr. Only available for new engine.
|
||
|
|
//
|
||
|
|
expr_node * pNdr64SwitchIsExpr;
|
||
|
|
|
||
|
|
//
|
||
|
|
// the kind of union ( encap, nonencap dce/ms )
|
||
|
|
//
|
||
|
|
unsigned short UnionFlavor : 2;
|
||
|
|
|
||
|
|
void * _pCTI;
|
||
|
|
|
||
|
|
public:
|
||
|
|
|
||
|
|
//
|
||
|
|
// The constructor.
|
||
|
|
//
|
||
|
|
|
||
|
|
CG_UNION(
|
||
|
|
node_skl * pBT, // base type
|
||
|
|
XLAT_SIZE_INFO & Info, // memory size
|
||
|
|
unsigned short HP // Has pointer
|
||
|
|
) :
|
||
|
|
CG_COMP( pBT, Info, HP )
|
||
|
|
{
|
||
|
|
SetUnionFlavor( UNION_UNKNOWN );
|
||
|
|
SetNdrSizeAndArmDescriptionOffset(-1);
|
||
|
|
SetCCB(0);
|
||
|
|
SetSwitchType( NULL );
|
||
|
|
_pCTI = NULL;
|
||
|
|
SetNdr64SwitchIsExpr( NULL );
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual
|
||
|
|
ID_CG GetCGID()
|
||
|
|
{
|
||
|
|
return ID_CG_UNION;
|
||
|
|
}
|
||
|
|
virtual
|
||
|
|
void Visit( CG_VISITOR *pVisitor )
|
||
|
|
{
|
||
|
|
pVisitor->Visit( this );
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual
|
||
|
|
CG_CLASS* Clone()
|
||
|
|
{
|
||
|
|
return new CG_UNION( *this );
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL IsVarying()
|
||
|
|
{
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Generate typeinfo
|
||
|
|
//
|
||
|
|
virtual
|
||
|
|
CG_STATUS GenTypeInfo( CCB * pCCB);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get and set methods.
|
||
|
|
//
|
||
|
|
|
||
|
|
unsigned short SetUnionFlavor( unsigned short UN )
|
||
|
|
{
|
||
|
|
return (UnionFlavor = UN);
|
||
|
|
}
|
||
|
|
|
||
|
|
unsigned short GetUnionFlavor()
|
||
|
|
{
|
||
|
|
return UnionFlavor;
|
||
|
|
}
|
||
|
|
|
||
|
|
CG_NDR * SetSwitchType( CG_NDR * pCG )
|
||
|
|
{
|
||
|
|
return (pCGSwitchType = pCG);
|
||
|
|
}
|
||
|
|
|
||
|
|
CG_NDR * GetSwitchType()
|
||
|
|
{
|
||
|
|
return pCGSwitchType;
|
||
|
|
}
|
||
|
|
|
||
|
|
expr_node * SetNdr64SwitchIsExpr( expr_node *pSwitchIsExpr )
|
||
|
|
{
|
||
|
|
return (pNdr64SwitchIsExpr =
|
||
|
|
pSwitchIsExpr);
|
||
|
|
}
|
||
|
|
|
||
|
|
expr_node * GetNdr64SwitchIsExpr()
|
||
|
|
{
|
||
|
|
return pNdr64SwitchIsExpr;
|
||
|
|
}
|
||
|
|
|
||
|
|
long GetNumberOfArms()
|
||
|
|
{
|
||
|
|
CG_ITERATOR Iterator;
|
||
|
|
CG_CASE * pCase;
|
||
|
|
long Arms;
|
||
|
|
|
||
|
|
GetMembers(Iterator);
|
||
|
|
|
||
|
|
Arms = 0;
|
||
|
|
|
||
|
|
while ( ITERATOR_GETNEXT(Iterator,pCase) )
|
||
|
|
{
|
||
|
|
if ( pCase->GetCGID() ==
|
||
|
|
ID_CG_DEFAULT_CASE )
|
||
|
|
continue;
|
||
|
|
Arms++;
|
||
|
|
}
|
||
|
|
|
||
|
|
return Arms;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL IsEncapsulatedUnion()
|
||
|
|
{
|
||
|
|
return (UnionFlavor == UNION_ENCAP);
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL IsUnion()
|
||
|
|
{
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Redefinitions of get and set format string offsets.
|
||
|
|
//
|
||
|
|
void SetFormatStringOffset( long Offset );
|
||
|
|
|
||
|
|
long GetFormatStringOffset();
|
||
|
|
|
||
|
|
void SetCCB( CCB * pNewCCB )
|
||
|
|
{
|
||
|
|
pCCB = pNewCCB;
|
||
|
|
}
|
||
|
|
|
||
|
|
CCB * GetCCB()
|
||
|
|
{
|
||
|
|
return pCCB;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Ndr format string generation. Used only by non-encapsulated unions.
|
||
|
|
//
|
||
|
|
virtual
|
||
|
|
void GenNdrFormat( CCB * pCCB );
|
||
|
|
|
||
|
|
//
|
||
|
|
// Generate the format strings for the union arms.
|
||
|
|
//
|
||
|
|
void GenNdrFormatArms( CCB * pCCB );
|
||
|
|
|
||
|
|
//
|
||
|
|
// Generate the format string for memory size and arm descriptions.
|
||
|
|
//
|
||
|
|
void GenNdrSizeAndArmDescriptions( CCB * pCCB );
|
||
|
|
|
||
|
|
//
|
||
|
|
// Generate the switch is description.
|
||
|
|
//
|
||
|
|
void GenNdrSwitchIsDescription( CCB * pCCB );
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set and Get the arm description offset.
|
||
|
|
//
|
||
|
|
void SetNdrSizeAndArmDescriptionOffset( long offset )
|
||
|
|
{
|
||
|
|
NdrSizeAndArmDescriptionOffset = offset;
|
||
|
|
}
|
||
|
|
|
||
|
|
long GetNdrSizeAndArmDescriptionOffset()
|
||
|
|
{
|
||
|
|
return NdrSizeAndArmDescriptionOffset;
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual
|
||
|
|
BOOL ShouldFreeOffline()
|
||
|
|
{
|
||
|
|
return HasPointer();
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual
|
||
|
|
void GenFreeInline( CCB * )
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual
|
||
|
|
void GenNdrPointerFixUp( CCB * pCCB,
|
||
|
|
CG_STRUCT * pStruct );
|
||
|
|
|
||
|
|
//
|
||
|
|
// This method tells us if we can use the rpc message buffer to hold
|
||
|
|
// the union.
|
||
|
|
//
|
||
|
|
BOOL CanUseBuffer();
|
||
|
|
|
||
|
|
virtual
|
||
|
|
short GetPointerMembers( ITERATOR& I );
|
||
|
|
|
||
|
|
virtual
|
||
|
|
CG_STATUS S_GenInitOutLocals( CCB * pCCB );
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
#endif // __UNIONCLS_HXX__
|