VhpiIterator::VhpiIterator(GpiImplInterface *impl, GpiObjHdl *hdl) : GpiIterator(impl, hdl),
m_iterator(NULL),
m_iter_obj(NULL)
{
vhpiHandleT iterator;
vhpiHandleT vhpi_hdl = m_parent->get_handle<vhpiHandleT>();
vhpiClassKindT type = (vhpiClassKindT)vhpi_get(vhpiKindP, vhpi_hdl);
if (NULL == (selected = iterate_over.get_options(type))) {
LOG_WARN("VHPI: Implementation does not know how to iterate over %s(%d)",
vhpi_get_str(vhpiKindStrP, vhpi_hdl), type);
return;
}
/* Find the first mapping type that yields a valid iterator */
for (one2many = selected->begin();
one2many != selected->end();
one2many++) {
iterator = vhpi_iterator(*one2many, vhpi_hdl);
if (iterator)
break;
LOG_DEBUG("vhpi_iterate vhpiOneToManyT=%d returned NULL", *one2many);
}
if (NULL == iterator) {
LOG_DEBUG("vhpi_iterate return NULL for all relationships on %s (%d) kind:%s",
vhpi_get_str(vhpiCaseNameP, vhpi_hdl),
type,
vhpi_get_str(vhpiKindStrP, vhpi_hdl));
selected = NULL;
return;
}
LOG_DEBUG("Created iterator working from scope %d (%s)",
vhpi_get(vhpiKindP, vhpi_hdl),
vhpi_get_str(vhpiKindStrP, vhpi_hdl));
/* On some simulators (Aldec) vhpiRootInstK is a null level of hierachy
* We check that something is going to come back if not we try the level
* down
*/
m_iter_obj = vhpi_hdl;
m_iterator = iterator;
}
// this function gets handle to signal of specified hierarchical name
vhpiHandleT getHandle( char* _szSigName )
{
vhpiHandleT hSigHdl,hHdl,hSubItr,hSubHdl;
// get handle to root instance
if ( ( hHdl = vhpi_handle( vhpiRootInst, NULL ) ) )
{
// get handle to signal - try root instance first
if ( !( hSigHdl = vhpi_handle_by_name( _szSigName, hHdl ) ) )
{
// if failed, iterate internal regions
if (( hSubItr = vhpi_iterator( vhpiInternalRegions, hHdl ) ))
{
while (( hSubHdl = vhpi_scan( hSubItr ) ))
if ( !( hSigHdl = vhpi_handle_by_name( _szSigName, hSubHdl ) ) )
{
// if failed, print info
vhpi_printf( "getHandle(): No signals found searching root and internal regions or ambiguous signal name\n" );
return NULL;
}
}
else
{
vhpi_printf( "getHandle(): No internal regions found\n" );
return NULL;
}
}
// if getting handle succeeded, print information on console...
if ( strcmp( vhpi_get_str( vhpiKindStrP, hSigHdl ), "vhpiPortDeclK" ) == 0 )
// ...with mode in case of port
vhpi_printf( "getHandle(): Port %s found: kind %s, mode %s\n",vhpi_get_str( vhpiFullNameP, hSigHdl ), vhpi_get_str( vhpiKindStrP, hSigHdl ), conv_mode( vhpi_get( vhpiModeP, hSigHdl ) ) );
else
// ...without mode in case of other object
vhpi_printf( "getHandle(): Object %s found: kind %s\n", vhpi_get_str( vhpiFullNameP, hSigHdl ), vhpi_get_str( vhpiKindStrP, hSigHdl ) );
return hSigHdl;
}
else
{
vhpi_printf( "getHandle(): No root instance found\n" );
return NULL;
}
}
GpiIterator::Status VhpiIterator::next_handle(std::string &name,
GpiObjHdl **hdl,
void **raw_hdl)
{
vhpiHandleT obj;
GpiObjHdl *new_obj;
if (!selected)
return GpiIterator::END;
/* We want the next object in the current mapping.
* If the end of mapping is reached then we want to
* try then next one until a new object is found
*/
do {
obj = NULL;
if (m_iterator) {
obj = vhpi_scan(m_iterator);
if (obj && (vhpiProcessStmtK == vhpi_get(vhpiKindP, obj))) {
LOG_DEBUG("Skipping %s (%s)", vhpi_get_str(vhpiFullNameP, obj),
vhpi_get_str(vhpiKindStrP, obj));
obj=NULL;
continue;
}
if (obj) {
LOG_DEBUG("Found an item %s", vhpi_get_str(vhpiFullNameP, obj));
break;
} else {
LOG_DEBUG("vhpi_scan on %d returned NULL", *one2many);
}
LOG_DEBUG("End of vhpiOneToManyT=%d iteration", *one2many);
m_iterator = NULL;
} else {
LOG_DEBUG("No valid vhpiOneToManyT=%d iterator", *one2many);
}
if (++one2many >= selected->end()) {
obj = NULL;
break;
}
m_iterator = vhpi_iterator(*one2many, m_iter_obj);
} while (!obj);
if (NULL == obj) {
LOG_DEBUG("No more children, all relationships tested");
return GpiIterator::END;
}
const char *c_name = vhpi_get_str(vhpiCaseNameP, obj);
if (!c_name) {
int type = vhpi_get(vhpiKindP, obj);
if (type < VHPI_TYPE_MIN) {
*raw_hdl = (void*)obj;
return GpiIterator::NOT_NATIVE_NO_NAME;
}
LOG_DEBUG("Unable to get the name for this object of type %d", type);
return GpiIterator::NATIVE_NO_NAME;
}
name = c_name;
LOG_DEBUG("vhpi_scan found %s (%d) kind:%s name:%s", name.c_str(),
vhpi_get(vhpiKindP, obj),
vhpi_get_str(vhpiKindStrP, obj),
vhpi_get_str(vhpiCaseNameP, obj));
/* We try and create a handle internally, if this is not possible we
return and GPI will try other implementations with the name
*/
std::string fq_name = m_parent->get_fullname();
if (fq_name == ":") {
fq_name += name;
} else {
fq_name += "." + name;
}
VhpiImpl *vhpi_impl = reinterpret_cast<VhpiImpl*>(m_impl);
new_obj = vhpi_impl->create_gpi_obj_from_handle(obj, name, fq_name);
if (new_obj) {
*hdl = new_obj;
return GpiIterator::NATIVE;
}
else
return GpiIterator::NOT_NATIVE;
}
int VhpiSignalObjHdl::initialise(std::string &name, std::string &fq_name) {
// Determine the type of object, either scalar or vector
m_value.format = vhpiObjTypeVal;
m_value.bufSize = 0;
m_value.value.str = NULL;
m_value.numElems = 0;
/* We also alloc a second value member for use with read string operations */
m_binvalue.format = vhpiBinStrVal;
m_binvalue.bufSize = 0;
m_binvalue.numElems = 0;
m_binvalue.value.str = NULL;
vhpiHandleT handle = GpiObjHdl::get_handle<vhpiHandleT>();
if (0 > vhpi_get_value(get_handle<vhpiHandleT>(), &m_value)) {
if (vhpiSliceNameK == vhpi_get(vhpiKindP, handle)) {
m_value.format = vhpiEnumVecVal;
} else {
LOG_DEBUG("vhpi_get_value failed and not a vhpiSliceNameK setting to vhpiRawDataVal");
m_value.format = vhpiRawDataVal;
}
}
LOG_DEBUG("Found %s of format type %s (%d) format object with %d elems buffsize %d size %d",
name.c_str(),
((VhpiImpl*)GpiObjHdl::m_impl)->format_to_string(m_value.format),
m_value.format,
m_value.numElems,
m_value.bufSize,
vhpi_get(vhpiSizeP, handle));
// Default - overridden below in certain special cases
m_num_elems = m_value.numElems;
switch (m_value.format) {
case vhpiIntVal:
case vhpiEnumVal:
case vhpiLogicVal:
case vhpiRealVal:
case vhpiCharVal: {
break;
}
case vhpiIntVecVal:
case vhpiEnumVecVal:
case vhpiLogicVecVal: {
m_num_elems = vhpi_get(vhpiSizeP, handle);
m_value.bufSize = m_num_elems*sizeof(vhpiEnumT);
m_value.value.enumvs = (vhpiEnumT *)malloc(m_value.bufSize + 1);
if (!m_value.value.enumvs) {
LOG_CRITICAL("Unable to alloc mem for write buffer: ABORTING");
}
LOG_DEBUG("Overriding num_elems to %d", m_num_elems);
break;
}
case vhpiStrVal: {
m_num_elems = vhpi_get(vhpiSizeP, handle);
m_value.bufSize = (m_num_elems)*sizeof(vhpiCharT) + 1;
m_value.value.str = (vhpiCharT *)malloc(m_value.bufSize);
m_value.numElems = m_num_elems;
if (!m_value.value.str) {
LOG_CRITICAL("Unable to alloc mem for write buffer");
}
LOG_DEBUG("Overriding num_elems to %d", m_num_elems);
break;
}
case vhpiRawDataVal: {
// This is an internal representation - the only way to determine
// the size is to iterate over the members and count sub-elements
m_num_elems = 0;
vhpiHandleT result = NULL;
vhpiHandleT iterator = vhpi_iterator(vhpiIndexedNames,
handle);
while (true) {
result = vhpi_scan(iterator);
if (NULL == result)
break;
m_num_elems++;
}
LOG_DEBUG("Found vhpiRawDataVal with %d elements", m_num_elems);
goto gpi_init;
}
default: {
LOG_ERROR("Unable to determine property for %s (%d) format object",
((VhpiImpl*)GpiObjHdl::m_impl)->format_to_string(m_value.format), m_value.format);
}
}
if (m_num_elems) {
m_binvalue.bufSize = m_num_elems*sizeof(vhpiCharT) + 1;
m_binvalue.value.str = (vhpiCharT *)calloc(m_binvalue.bufSize, sizeof(vhpiCharT));
if (!m_binvalue.value.str) {
LOG_CRITICAL("Unable to alloc mem for read buffer of signal %s", name.c_str());
}
}
gpi_init:
return GpiObjHdl::initialise(name, fq_name);
}
// this function adds new object to structure
TValObjPtrs* addValObj( vhpiHandleT _hNewHandle, TValObjPtrs* _pActualPointer, int _nActualSize )
{
TValObjPtrs hNewHandle;
hNewHandle.hHdl = _hNewHandle;
hNewHandle.vValue = getFieldValue( _hNewHandle );
hNewHandle.nIndex = _nActualSize;
hNewHandle.nType = 0;
for ( int i = 0; i < 10; i++ )
{
hNewHandle.enumOnes[i] = -1;
hNewHandle.enumZeros[i] = -1;
}
hNewHandle.enumMin = 2147483647;
hNewHandle.enumMax = 0;
hNewHandle.szName = strdup( (char*)vhpi_get_str( vhpiNameP, _hNewHandle ) );
hNewHandle.pBoolVar = new bool;
hNewHandle.pIntVar = new int;
hNewHandle.pRealVar = new double;
hNewHandle.pUserVars = NULL;
if ( _hNewHandle )
{
if ( ( hNewHandle.vValue->format >= vhpiEnumVecVal ) && ( hNewHandle.vValue->format <= vhpiRealVecVal ) )
{
// if array type ports, when numElems is defined
hNewHandle.pBoolVecVar = new bool [hNewHandle.vValue->numElems];
hNewHandle.pIntVecVar = new int [hNewHandle.vValue->numElems];
hNewHandle.pRealVecVar = new double [hNewHandle.vValue->numElems];
}
else
{
hNewHandle.pBoolVecVar = new bool;
hNewHandle.pIntVecVar = new int;
hNewHandle.pRealVecVar = new double;
}
// detect binary logic enum types to enable numerical conversions
if ( ( hNewHandle.vValue->format == vhpiEnumVal ) || ( hNewHandle.vValue->format == vhpiEnumVecVal ) )
{
vhpiHandleT hLiteralIt = NULL;
vhpiHandleT hLiteralHdl = NULL;
vhpiHandleT hTypeHdl = NULL;
int nTypeIndex = 0;
int nOnesIndex = 0;
int nZerosIndex = 0;
// get handle to object type
hTypeHdl = vhpi_handle( vhpiBaseType, _hNewHandle );
// iterate on all literals of scalar type
if (( hLiteralIt = vhpi_iterator( vhpiEnumLiterals, hTypeHdl ) ));
// iterate on all literals of array's element type
else (( hLiteralIt = vhpi_iterator( vhpiEnumLiterals, vhpi_handle( vhpiElemSubtype, hTypeHdl ) ) ));
if ( hLiteralIt )
while (( hLiteralHdl = vhpi_scan( hLiteralIt ) ))
{
// get literal string value
char* szStrVal;
szStrVal = strdup( (char*)vhpi_get_str( vhpiStrValP, hLiteralHdl ) );
// get its position (index) in enum type
nTypeIndex = vhpi_get( vhpiPositionP, hLiteralHdl );
// set the limits of indexes in enum type
if ( nTypeIndex > hNewHandle.enumMax )
hNewHandle.enumMax = nTypeIndex;
if ( nTypeIndex < hNewHandle.enumMin )
hNewHandle.enumMin = nTypeIndex;
// check if literal string value belongs to binary logic values set
if ( ( strcmp( szStrVal, "1" ) == 0 ) || ( strcmp( szStrVal, "H" ) == 0 ) )
// store indexes of literals treated as one in numeric calculations
hNewHandle.enumOnes[nOnesIndex++] = nTypeIndex;
else if ( ( strcmp( szStrVal, "0" ) == 0 ) || ( strcmp( szStrVal, "L" ) == 0 ) )
// store indexes of literals treated as zero in numeric calculations
hNewHandle.enumZeros[nZerosIndex++] = nTypeIndex;
free( szStrVal );
}
else
vhpi_printf( "addVAlObj(): No enum literals found.\n" );
// if type contains one and zero literals
if ( ( nZerosIndex != 0 ) && ( nOnesIndex != 0 ) )
hNewHandle.nType = 1;
// release handles
vhpi_release_handle( hTypeHdl );
vhpi_release_handle( hLiteralHdl );
}
}
// reallocate array appended with new structure
TValObjPtrs* hTempHandle;
int index;
// allocate memory for copy of actual handles array
hTempHandle = new TValObjPtrs [_nActualSize+1];
// copy array contents
for ( index = 0; index < _nActualSize; index++ )
{
hTempHandle[index] = _pActualPointer[index];
}
// append array with new object handle
hTempHandle[index++] = hNewHandle;
// remove actual array from memory
delete [] _pActualPointer ;
// allocate memory for new actual array
_pActualPointer = new TValObjPtrs [_nActualSize+1];
// copy array contents from temp array
for ( index = 0; index < _nActualSize + 1; index++ )
{
_pActualPointer[index] = hTempHandle[index];
}
// remove temp array
delete [] hTempHandle;
return _pActualPointer;
}
