You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
475 lines
19 KiB
475 lines
19 KiB
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
|
|
Copyright (c) 1989-1999 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
cgcls.hxx
|
|
|
|
Abstract:
|
|
|
|
class definitions for code generation entities for midl.
|
|
|
|
Notes:
|
|
|
|
A code generation entity is a transformed form of the type graph. This
|
|
form is a much closer representation of what goes on the wire.
|
|
|
|
History:
|
|
|
|
VibhasC Jul-29-1993 Created.
|
|
----------------------------------------------------------------------------*/
|
|
#ifndef __CGCLS_HXX__
|
|
#define __CGCLS_HXX__
|
|
/****************************************************************************
|
|
* include files
|
|
***************************************************************************/
|
|
#include "nulldefs.h"
|
|
|
|
extern "C"
|
|
{
|
|
#include <stdio.h>
|
|
|
|
}
|
|
|
|
#include "mapset.hxx"
|
|
#include "allnodes.hxx"
|
|
#include "cgvisitor.hxx"
|
|
#include "cgcommon.hxx"
|
|
#include "ccb.hxx"
|
|
#include "ilanaly.hxx"
|
|
|
|
class ANALYSIS_INFO;
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// define a type which returns the code generation status.
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
typedef enum _cg_status
|
|
{
|
|
CG_OK
|
|
// everything was hunky dory.
|
|
,CG_NOT_LAYED_OUT
|
|
// I got an HREFTYPE to an incomplete ITypeInfo.
|
|
// I will not be able to call LayOut.
|
|
,CG_REF_NOT_LAYED_OUT
|
|
// I got an HREFTYPE to a reference (ptr) to an incomplete ITypeInfo
|
|
// I will be able to call LayOut but I must then try to get my
|
|
// dependencies to call LayOut.
|
|
} CG_STATUS;
|
|
|
|
//
|
|
// Enumerate the different cg classes. This is purely for dump purposes. If
|
|
// we add a new CG class, we add the enumerator here.
|
|
|
|
typedef enum _idcg
|
|
{
|
|
ID_CG_ERROR
|
|
,ID_CG_SOURCE
|
|
,ID_CG_FILE
|
|
,ID_CG_BT
|
|
,ID_CG_INT3264
|
|
,ID_CG_ENUM
|
|
,ID_CG_ERROR_STATUS_T
|
|
,ID_CG_PROC
|
|
,ID_CG_CALLBACK_PROC
|
|
,ID_CG_OBJECT_PROC
|
|
,ID_CG_INHERITED_OBJECT_PROC
|
|
,ID_CG_LOCAL_OBJECT_PROC
|
|
,ID_CG_TYPE_ENCODE
|
|
,ID_CG_TYPE_ENCODE_PROC
|
|
,ID_CG_ENCODE_PROC
|
|
,ID_CG_PARAM
|
|
,ID_CG_RETURN
|
|
,ID_CG_PTR
|
|
,ID_CG_IGN_PTR
|
|
,ID_CG_BC_PTR
|
|
,ID_CG_STRING_PTR
|
|
,ID_CG_STRUCT_STRING_PTR
|
|
,ID_CG_SIZE_STRING_PTR
|
|
,ID_CG_SIZE_PTR
|
|
,ID_CG_LENGTH_PTR // we don't seem to use it, rkk, 9/98
|
|
,ID_CG_SIZE_LENGTH_PTR
|
|
,ID_CG_INTERFACE_PTR
|
|
,ID_CG_STRUCT
|
|
,ID_CG_VAR_STRUCT
|
|
,ID_CG_CONF_STRUCT
|
|
,ID_CG_CONF_VAR_STRUCT
|
|
,ID_CG_COMPLEX_STRUCT
|
|
,ID_CG_ENCAP_STRUCT
|
|
,ID_CG_FIELD
|
|
,ID_CG_UNION
|
|
,ID_CG_UNION_FIELD
|
|
,ID_CG_CASE
|
|
,ID_CG_DEFAULT_CASE
|
|
,ID_CG_ARRAY
|
|
,ID_CG_CONF_ARRAY
|
|
,ID_CG_VAR_ARRAY
|
|
,ID_CG_CONF_VAR_ARRAY
|
|
,ID_CG_STRING_ARRAY
|
|
,ID_CG_CONF_STRING_ARRAY
|
|
,ID_CG_PRIMITIVE_HDL
|
|
,ID_CG_GENERIC_HDL
|
|
,ID_CG_CONTEXT_HDL
|
|
,ID_CG_TRANSMIT_AS
|
|
,ID_CG_REPRESENT_AS
|
|
,ID_CG_USER_MARSHAL
|
|
,ID_CG_INTERFACE
|
|
,ID_CG_OBJECT_INTERFACE
|
|
,ID_CG_INHERITED_OBJECT_INTERFACE
|
|
,ID_CG_HRESULT
|
|
,ID_CG_TYPELIBRARY_FILE
|
|
,ID_CG_INTERFACE_REFERENCE
|
|
,ID_CG_MODULE
|
|
,ID_CG_DISPINTERFACE
|
|
,ID_CG_ASYNC_HANDLE
|
|
,ID_CG_COCLASS
|
|
,ID_CG_LIBRARY
|
|
,ID_CG_SAFEARRAY
|
|
,ID_CG_TYPEDEF
|
|
,ID_CG_ID
|
|
,ID_CG_PIPE
|
|
,ID_CG_RANGE
|
|
,ID_CG_CS_ARRAY
|
|
,ID_CG_CS_TAG
|
|
,ID_CG_IIDIS_INTERFACE_PTR
|
|
,ID_CG_PAD
|
|
} ID_CG;
|
|
////////////////////////////////////////////////////////////////////////////
|
|
// The general code generation class object.
|
|
////////////////////////////////////////////////////////////////////////////
|
|
|
|
class CG_CLASS;
|
|
class CG_ITERATOR;
|
|
|
|
class CG_CLASS
|
|
{
|
|
private:
|
|
|
|
class CG_CLASS * pChild;
|
|
class CG_CLASS * pSibling;
|
|
BOOL fLayedOut;
|
|
BOOL fReadyForLayOut;
|
|
BOOL fDepsLayedOut;
|
|
CG_ILANALYSIS_INFO ILAnalysisInfo;
|
|
|
|
public:
|
|
CG_CLASS()
|
|
{
|
|
SetSibling( (CG_CLASS *)0 );
|
|
SetChild( (CG_CLASS *)0 );
|
|
fLayedOut = FALSE;
|
|
fReadyForLayOut = FALSE;
|
|
fDepsLayedOut = FALSE;
|
|
}
|
|
|
|
CG_CLASS( CG_CLASS *pC, CG_CLASS *pS )
|
|
{
|
|
SetSibling( pS );
|
|
SetChild( pC );
|
|
fLayedOut = FALSE;
|
|
fReadyForLayOut = FALSE;
|
|
fDepsLayedOut = FALSE;
|
|
}
|
|
//
|
|
// Get and set child and sibling.
|
|
//
|
|
|
|
CG_CLASS * GetChild()
|
|
{
|
|
return pChild;
|
|
}
|
|
|
|
CG_CLASS * GetNonGenericHandleChild()
|
|
{
|
|
CG_CLASS * pC = GetChild();
|
|
if( pC->GetCGID() == ID_CG_GENERIC_HDL )
|
|
{
|
|
pC = pC->GetChild();
|
|
}
|
|
return pC;
|
|
}
|
|
|
|
CG_CLASS * SetChild( CG_CLASS *p )
|
|
{
|
|
return (pChild = p );
|
|
}
|
|
|
|
CG_CLASS * GetSibling()
|
|
{
|
|
return pSibling;
|
|
}
|
|
|
|
CG_CLASS * SetSibling( CG_CLASS * p )
|
|
{
|
|
return (pSibling = p);
|
|
}
|
|
|
|
short GetMembers( ITERATOR& I );
|
|
|
|
short GetMembers( CG_ITERATOR& I );
|
|
|
|
BOOL HasMembers()
|
|
{
|
|
return ( NULL != GetChild() );
|
|
}
|
|
|
|
void SetMembers( ITERATOR & I );
|
|
|
|
|
|
CG_CLASS * GetLastSibling();
|
|
|
|
PNAME GetName()
|
|
{
|
|
return (PNAME)( GetType()->GetSymName() );
|
|
}
|
|
#ifdef MIDL_INTERNAL
|
|
//
|
|
// debug methods.
|
|
//
|
|
|
|
void Dump( const char *pTitle = NULL);
|
|
#endif // MIDL_INTERNAL
|
|
|
|
virtual
|
|
CG_STATUS GenCode( CCB * )
|
|
{
|
|
return CG_OK;
|
|
}
|
|
|
|
virtual
|
|
CG_STATUS GenTypeInfo( CCB * )
|
|
{
|
|
return CG_OK;
|
|
}
|
|
|
|
virtual
|
|
CG_STATUS GetTypeDesc(TYPEDESC * &ptd, CCB * pCCB);
|
|
|
|
virtual
|
|
void * CheckImportLib()
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
BOOL IsLayedOut()
|
|
{
|
|
return fLayedOut;
|
|
}
|
|
|
|
void LayedOut()
|
|
{
|
|
fLayedOut = TRUE;
|
|
}
|
|
|
|
BOOL AreDepsLayedOut()
|
|
{
|
|
return fDepsLayedOut;
|
|
}
|
|
|
|
void DepsLayedOut()
|
|
{
|
|
fDepsLayedOut = TRUE;
|
|
}
|
|
|
|
void ClearDepsLayedOut()
|
|
{
|
|
fDepsLayedOut = FALSE;
|
|
}
|
|
|
|
BOOL IsReadyForLayOut()
|
|
{
|
|
return fReadyForLayOut;
|
|
}
|
|
|
|
void ReadyForLayOut()
|
|
{
|
|
fReadyForLayOut = TRUE;
|
|
}
|
|
virtual unsigned long LayOut()
|
|
{
|
|
#ifdef __TRACE_LAYOUT__
|
|
printf("LayOut, %s\n", GetType()->GetSymName());
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
CG_ILANALYSIS_INFO* GetILAnalysisInfo()
|
|
{
|
|
return &ILAnalysisInfo;
|
|
}
|
|
//
|
|
// miscellaneous methods.
|
|
//
|
|
|
|
virtual
|
|
ID_CG GetCGID()
|
|
{
|
|
return ID_CG_ERROR;
|
|
}
|
|
|
|
virtual
|
|
void Visit( CG_VISITOR *pVisitor ) = 0;
|
|
|
|
|
|
virtual
|
|
node_skl * GetType()
|
|
{
|
|
return (node_skl *)0;
|
|
}
|
|
|
|
|
|
//
|
|
// IsXXX methods
|
|
//
|
|
|
|
virtual
|
|
BOOL IsArray()
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
virtual
|
|
BOOL IsPointer()
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
// true in CG_INTERFACE_POINTER and CG_IIDIS_INTERFACE_POINTER only
|
|
virtual
|
|
BOOL IsInterfacePointer()
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
virtual
|
|
BOOL IsStruct()
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
virtual
|
|
BOOL IsUnion()
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
virtual
|
|
BOOL IsXmitRepOrUserMarshal()
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
virtual
|
|
BOOL IsObject()
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
virtual
|
|
BOOL HasAFixedBufferSize()
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
void * operator new ( size_t size )
|
|
{
|
|
return AllocateOnceNew( size );
|
|
}
|
|
|
|
void operator delete( void * ptr )
|
|
{
|
|
AllocateOnceDelete( ptr );
|
|
}
|
|
|
|
};
|
|
|
|
class CG_ITERATOR
|
|
{
|
|
private:
|
|
CG_CLASS * pFirst;
|
|
CG_CLASS * pCurrent;
|
|
|
|
public:
|
|
|
|
CG_ITERATOR( CG_CLASS * pStart = NULL )
|
|
{
|
|
SetList( pStart );
|
|
}
|
|
|
|
void SetList( CG_CLASS * pStart )
|
|
{
|
|
pFirst = pStart;
|
|
pCurrent = pStart;
|
|
}
|
|
|
|
STATUS_T Init( void )
|
|
{
|
|
pCurrent = pFirst;
|
|
return STATUS_OK;
|
|
}
|
|
|
|
STATUS_T GetNext( void ** ppReturn )
|
|
{
|
|
if( pCurrent)
|
|
{
|
|
(*ppReturn) = pCurrent;
|
|
pCurrent = pCurrent->GetSibling();
|
|
return STATUS_OK;
|
|
}
|
|
// null out the return if the list was empty
|
|
if ( !pFirst )
|
|
(*ppReturn) = NULL;
|
|
return I_ERR_NO_PEER;
|
|
}
|
|
|
|
void * PeekThis()
|
|
{
|
|
if( pCurrent )
|
|
{
|
|
return pCurrent;
|
|
}
|
|
else
|
|
return (void *)0;
|
|
}
|
|
|
|
short GetCount( void )
|
|
{
|
|
CG_CLASS * pTmp = pFirst;
|
|
short count = 0;
|
|
|
|
while ( pTmp )
|
|
{
|
|
count++;
|
|
pTmp = pTmp->GetSibling();
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
STATUS_T Discard()
|
|
{
|
|
SetList( NULL );
|
|
return STATUS_OK;
|
|
}
|
|
|
|
};
|
|
|
|
// tuck this away here, so that it goes blazingly fast
|
|
inline
|
|
short
|
|
CG_CLASS::GetMembers(
|
|
CG_ITERATOR& I )
|
|
{
|
|
I.SetList( GetChild() );
|
|
return I.GetCount();
|
|
}
|
|
|
|
|
|
class CG_CLONEABLE
|
|
{
|
|
virtual
|
|
CG_CLASS * Clone() = 0;
|
|
};
|
|
|
|
#endif // __CGCLS_HXX__
|
|
|