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.
130 lines
3.3 KiB
130 lines
3.3 KiB
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
|
|
Copyright (c) 1989-1999 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
stgen.cxx
|
|
|
|
Abstract:
|
|
|
|
structure marshalling / unmarshalling stuff.
|
|
|
|
Notes:
|
|
|
|
|
|
History:
|
|
|
|
Dec-15-1993 VibhasC Created.
|
|
|
|
----------------------------------------------------------------------------*/
|
|
|
|
/****************************************************************************
|
|
* include files
|
|
***************************************************************************/
|
|
|
|
#include "becls.hxx"
|
|
#pragma hdrstop
|
|
/****************************************************************************
|
|
* local definitions
|
|
***************************************************************************/
|
|
/****************************************************************************
|
|
* local data
|
|
***************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* externs
|
|
***************************************************************************/
|
|
/****************************************************************************/
|
|
|
|
CG_STATUS
|
|
CG_COMP::S_GenInitOutLocals(
|
|
CCB * pCCB )
|
|
{
|
|
|
|
char Buffer[ 256 ];
|
|
RESOURCE * pResource;
|
|
PNAME p;
|
|
CG_NDR * pLPC = pCCB->GetLastPlaceholderClass();
|
|
|
|
strcpy( Buffer, pLPC->GetType()->GetSymName() );
|
|
|
|
p = pCCB->GenTRNameOffLastParam( Buffer );
|
|
|
|
pResource = pCCB->GetLocalResource( p );
|
|
|
|
// There is a pointer for the top level structure.
|
|
|
|
Out_Assign( pCCB,
|
|
pCCB->GetSourceExpression(),
|
|
MakeAddressExpressionNoMatterWhat( pResource )
|
|
);
|
|
|
|
// Go zero out the pointers in the structure, for now.
|
|
|
|
if( HasPointer() )
|
|
{
|
|
ITERATOR I;
|
|
CG_FIELD * pCG;
|
|
expr_node * pSrc = pCCB->GetSourceExpression();
|
|
|
|
// Get all the members in the struct which contain pointers. If the
|
|
// structure has been unrolled by the format string generator, the
|
|
// print prefix contains the proper prefixed part of the unrolled path,
|
|
// we just have to add the field name to it.
|
|
|
|
GetPointerMembers( I );
|
|
|
|
while( ITERATOR_GETNEXT( I, pCG ) )
|
|
{
|
|
char * pVarName =
|
|
new char[ strlen( ((CG_FIELD *)pCG)->GetPrintPrefix())+
|
|
strlen( pCG->GetType()->GetSymName()) +
|
|
1
|
|
];
|
|
|
|
strcpy( pVarName, ((CG_FIELD *)pCG)->GetPrintPrefix() );
|
|
strcat( pVarName, pCG->GetType()->GetSymName() );
|
|
|
|
expr_node * pExpr = new expr_pointsto(
|
|
pSrc,
|
|
new expr_variable( pVarName, 0 ));
|
|
expr_node * pAss = new expr_assign(pExpr, new expr_constant(0L));
|
|
|
|
pCCB->GetStream()->NewLine();
|
|
pAss->PrintCall( pCCB->GetStream(), 0, 0 );
|
|
pCCB->GetStream()->Write(';');
|
|
|
|
// this memory area is no longer useful.
|
|
delete []pVarName;
|
|
}
|
|
|
|
|
|
}
|
|
|
|
return CG_OK;
|
|
}
|
|
|
|
short
|
|
CG_COMP::GetPointerMembers(
|
|
ITERATOR& I )
|
|
{
|
|
CG_ITERATOR M;
|
|
CG_FIELD * pField;
|
|
short Count = 0;
|
|
|
|
if( HasPointer() )
|
|
{
|
|
GetMembers( M );
|
|
|
|
while( ITERATOR_GETNEXT( M, pField ) )
|
|
{
|
|
if( pField->GetChild()->IsPointer() )
|
|
{
|
|
ITERATOR_INSERT( I, pField );
|
|
Count++;
|
|
}
|
|
}
|
|
}
|
|
return Count;
|
|
}
|
|
|