/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Io_ReadBlifNetworkAndGateDelay( Io_ReadBlif_t * p, Vec_Ptr_t * vTokens )
{
char * pFoo1;
double AndGateDelay;
// make sure this is indeed the .inputs line
assert( strncmp( (char *)vTokens->pArray[0], ".and_gate_delay", 25 ) == 0 );
if ( vTokens->nSize != 2 )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "Wrong number of arguments (%d) on .and_gate_delay line (should be 1).", vTokens->nSize-1 );
Io_ReadBlifPrintErrorMessage( p );
return 1;
}
AndGateDelay = strtod( (char *)vTokens->pArray[1], &pFoo1 );
if ( *pFoo1 != '\0' )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "Bad value (%s) for AND gate delay in on .and_gate_delay line line.", (char*)vTokens->pArray[1] );
Io_ReadBlifPrintErrorMessage( p );
return 1;
}
// set the arrival time
p->pNtkCur->AndGateDelay = (float)AndGateDelay;
return 0;
}
/**Function*************************************************************
Synopsis [Creates a multi-input multi-output box in the hierarchical design.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Io_ReadBlifNetworkSubcircuit( Io_ReadBlif_t * p, Vec_Ptr_t * vTokens )
{
Abc_Obj_t * pBox;
Vec_Ptr_t * vNames;
char * pName;
int i;
// create a new node and add it to the network
if ( vTokens->nSize < 3 )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "The .subcircuit line has less than three tokens." );
Io_ReadBlifPrintErrorMessage( p );
return 1;
}
// store the names of formal/actual inputs/outputs of the box
vNames = Vec_PtrAlloc( 10 );
Vec_PtrForEachEntryStart( char *, vTokens, pName, i, 1 )
// Vec_PtrPush( vNames, Abc_NtkRegisterName(p->pNtkCur, pName) );
Vec_PtrPush( vNames, Extra_UtilStrsav(pName) ); // memory leak!!!
// create a new box and add it to the network
pBox = Abc_NtkCreateBlackbox( p->pNtkCur );
// set the pointer to the node names
Abc_ObjSetData( pBox, vNames );
// remember the line of the file
pBox->pCopy = (Abc_Obj_t *)(ABC_PTRINT_T)Extra_FileReaderGetLineNumber(p->pReader, 0);
return 0;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Io_ReadBlifNetworkDefaultOutputRequired( Io_ReadBlif_t * p, Vec_Ptr_t * vTokens )
{
char * pFoo1, * pFoo2;
double TimeRise, TimeFall;
// make sure this is indeed the .inputs line
assert( strncmp( (char *)vTokens->pArray[0], ".default_output_required", 25 ) == 0 );
if ( vTokens->nSize != 3 )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "Wrong number of arguments on .default_output_required line." );
Io_ReadBlifPrintErrorMessage( p );
return 1;
}
TimeRise = strtod( (char *)vTokens->pArray[1], &pFoo1 );
TimeFall = strtod( (char *)vTokens->pArray[2], &pFoo2 );
if ( *pFoo1 != '\0' || *pFoo2 != '\0' )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "Bad value (%s %s) for rise or fall time on .default_output_required line.", (char*)vTokens->pArray[1], (char*)vTokens->pArray[2] );
Io_ReadBlifPrintErrorMessage( p );
return 1;
}
// set the arrival time
Abc_NtkTimeSetDefaultRequired( p->pNtkCur, (float)TimeRise, (float)TimeFall );
return 0;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Io_ReadBlifNetworkOutputRequired( Io_ReadBlif_t * p, Vec_Ptr_t * vTokens )
{
Abc_Obj_t * pNet;
char * pFoo1, * pFoo2;
double TimeRise, TimeFall;
// make sure this is indeed the .inputs line
assert( strncmp( (char *)vTokens->pArray[0], ".output_required", 16 ) == 0 );
if ( vTokens->nSize != 4 )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "Wrong number of arguments on .output_required line." );
Io_ReadBlifPrintErrorMessage( p );
return 1;
}
pNet = Abc_NtkFindNet( p->pNtkCur, (char *)vTokens->pArray[1] );
if ( pNet == NULL )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "Cannot find object corresponding to %s on .output_required line.", (char*)vTokens->pArray[1] );
Io_ReadBlifPrintErrorMessage( p );
return 1;
}
TimeRise = strtod( (char *)vTokens->pArray[2], &pFoo1 );
TimeFall = strtod( (char *)vTokens->pArray[3], &pFoo2 );
if ( *pFoo1 != '\0' || *pFoo2 != '\0' )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "Bad value (%s %s) for rise or fall time on .output_required line.", (char*)vTokens->pArray[2], (char*)vTokens->pArray[3] );
Io_ReadBlifPrintErrorMessage( p );
return 1;
}
// set the arrival time
Abc_NtkTimeSetRequired( p->pNtkCur, Abc_ObjFanout0(pNet)->Id, (float)TimeRise, (float)TimeFall );
return 0;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Io_ReadBlifNetworkLatch( Io_ReadBlif_t * p, Vec_Ptr_t * vTokens )
{
Abc_Ntk_t * pNtk = p->pNtkCur;
Abc_Obj_t * pLatch;
int ResetValue;
if ( vTokens->nSize < 3 )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "The .latch line does not have enough tokens." );
Io_ReadBlifPrintErrorMessage( p );
return 1;
}
// create the latch
pLatch = Io_ReadCreateLatch( pNtk, (char *)vTokens->pArray[1], (char *)vTokens->pArray[2] );
// get the latch reset value
if ( vTokens->nSize == 3 )
Abc_LatchSetInitDc( pLatch );
else
{
ResetValue = atoi((char *)vTokens->pArray[vTokens->nSize-1]);
if ( ResetValue != 0 && ResetValue != 1 && ResetValue != 2 )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "The .latch line has an unknown reset value (%s).", (char*)vTokens->pArray[3] );
Io_ReadBlifPrintErrorMessage( p );
return 1;
}
if ( ResetValue == 0 )
Abc_LatchSetInit0( pLatch );
else if ( ResetValue == 1 )
Abc_LatchSetInit1( pLatch );
else if ( ResetValue == 2 )
Abc_LatchSetInitDc( pLatch );
}
return 0;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Io_ReadBenchNetwork( Extra_FileReader_t * p )
{
ProgressBar * pProgress;
Vec_Ptr_t * vTokens;
Abc_Ntk_t * pNtk;
Abc_Obj_t * pNode, * pNet;
Vec_Str_t * vString;
unsigned uTruth[8];
char * pType, ** ppNames, * pString;
int iLine, nNames, nDigits, fLutsPresent = 0;
// allocate the empty network
pNtk = Abc_NtkStartRead( Extra_FileReaderGetFileName(p) );
// go through the lines of the file
vString = Vec_StrAlloc( 100 );
pProgress = Extra_ProgressBarStart( stdout, Extra_FileReaderGetFileSize(p) );
for ( iLine = 0; (vTokens = (Vec_Ptr_t *)Extra_FileReaderGetTokens(p)); iLine++ )
{
Extra_ProgressBarUpdate( pProgress, Extra_FileReaderGetCurPosition(p), NULL );
if ( vTokens->nSize == 1 )
{
printf( "%s: Wrong input file format.\n", Extra_FileReaderGetFileName(p) );
Vec_StrFree( vString );
Abc_NtkDelete( pNtk );
return NULL;
}
// get the type of the line
if ( strncmp( (char *)vTokens->pArray[0], "INPUT", 5 ) == 0 )
Io_ReadCreatePi( pNtk, (char *)vTokens->pArray[1] );
else if ( strncmp( (char *)vTokens->pArray[0], "OUTPUT", 5 ) == 0 )
Io_ReadCreatePo( pNtk, (char *)vTokens->pArray[1] );
else
{
// get the node name and the node type
pType = (char *)vTokens->pArray[1];
if ( strncmp(pType, "DFF", 3) == 0 ) // works for both DFF and DFFRSE
{
pNode = Io_ReadCreateLatch( pNtk, (char *)vTokens->pArray[2], (char *)vTokens->pArray[0] );
// Abc_LatchSetInit0( pNode );
if ( pType[3] == '0' )
Abc_LatchSetInit0( pNode );
else if ( pType[3] == '1' )
Abc_LatchSetInit1( pNode );
else
Abc_LatchSetInitDc( pNode );
}
else if ( strcmp(pType, "LUT") == 0 )
{
fLutsPresent = 1;
ppNames = (char **)vTokens->pArray + 3;
nNames = vTokens->nSize - 3;
// check the number of inputs
if ( nNames > 8 )
{
printf( "%s: Currently cannot read truth tables with more than 8 inputs (%d).\n", Extra_FileReaderGetFileName(p), nNames );
Vec_StrFree( vString );
Abc_NtkDelete( pNtk );
return NULL;
}
// get the hex string
pString = (char *)vTokens->pArray[2];
if ( strncmp( pString, "0x", 2 ) )
{
printf( "%s: The LUT signature (%s) does not look like a hexadecimal beginning with \"0x\".\n", Extra_FileReaderGetFileName(p), pString );
Vec_StrFree( vString );
Abc_NtkDelete( pNtk );
return NULL;
}
pString += 2;
// pad the string with zero's if needed
nDigits = (1 << nNames) / 4;
if ( nDigits == 0 )
nDigits = 1;
if ( strlen(pString) < (unsigned)nDigits )
{
Vec_StrFill( vString, nDigits - strlen(pString), '0' );
Vec_StrPrintStr( vString, pString );
Vec_StrPush( vString, 0 );
pString = Vec_StrArray( vString );
}
// read the hex number from the string
if ( !Extra_ReadHexadecimal( uTruth, pString, nNames ) )
{
printf( "%s: Reading hexadecimal number (%s) has failed.\n", Extra_FileReaderGetFileName(p), pString );
Vec_StrFree( vString );
Abc_NtkDelete( pNtk );
return NULL;
}
// check if the node is a constant node
if ( Extra_TruthIsConst0(uTruth, nNames) )
{
pNode = Io_ReadCreateNode( pNtk, (char *)vTokens->pArray[0], ppNames, 0 );
Abc_ObjSetData( pNode, Abc_SopRegister( (Mem_Flex_t *)pNtk->pManFunc, " 0\n" ) );
}
else if ( Extra_TruthIsConst1(uTruth, nNames) )
{
pNode = Io_ReadCreateNode( pNtk, (char *)vTokens->pArray[0], ppNames, 0 );
Abc_ObjSetData( pNode, Abc_SopRegister( (Mem_Flex_t *)pNtk->pManFunc, " 1\n" ) );
}
else
{
// create the node
pNode = Io_ReadCreateNode( pNtk, (char *)vTokens->pArray[0], ppNames, nNames );
assert( nNames > 0 );
if ( nNames > 1 )
Abc_ObjSetData( pNode, Abc_SopCreateFromTruth((Mem_Flex_t *)pNtk->pManFunc, nNames, uTruth) );
else if ( pString[0] == '2' )
Abc_ObjSetData( pNode, Abc_SopCreateBuf((Mem_Flex_t *)pNtk->pManFunc) );
else if ( pString[0] == '1' )
Abc_ObjSetData( pNode, Abc_SopCreateInv((Mem_Flex_t *)pNtk->pManFunc) );
else
{
printf( "%s: Reading truth table (%s) of single-input node has failed.\n", Extra_FileReaderGetFileName(p), pString );
Vec_StrFree( vString );
Abc_NtkDelete( pNtk );
return NULL;
}
}
}
else
{
// create a new node and add it to the network
ppNames = (char **)vTokens->pArray + 2;
nNames = vTokens->nSize - 2;
pNode = Io_ReadCreateNode( pNtk, (char *)vTokens->pArray[0], ppNames, nNames );
// assign the cover
if ( strcmp(pType, "AND") == 0 )
Abc_ObjSetData( pNode, Abc_SopCreateAnd((Mem_Flex_t *)pNtk->pManFunc, nNames, NULL) );
else if ( strcmp(pType, "OR") == 0 )
Abc_ObjSetData( pNode, Abc_SopCreateOr((Mem_Flex_t *)pNtk->pManFunc, nNames, NULL) );
else if ( strcmp(pType, "NAND") == 0 )
Abc_ObjSetData( pNode, Abc_SopCreateNand((Mem_Flex_t *)pNtk->pManFunc, nNames) );
else if ( strcmp(pType, "NOR") == 0 )
Abc_ObjSetData( pNode, Abc_SopCreateNor((Mem_Flex_t *)pNtk->pManFunc, nNames) );
else if ( strcmp(pType, "XOR") == 0 )
Abc_ObjSetData( pNode, Abc_SopCreateXor((Mem_Flex_t *)pNtk->pManFunc, nNames) );
else if ( strcmp(pType, "NXOR") == 0 || strcmp(pType, "XNOR") == 0 )
Abc_ObjSetData( pNode, Abc_SopCreateNxor((Mem_Flex_t *)pNtk->pManFunc, nNames) );
else if ( strncmp(pType, "BUF", 3) == 0 )
Abc_ObjSetData( pNode, Abc_SopCreateBuf((Mem_Flex_t *)pNtk->pManFunc) );
else if ( strcmp(pType, "NOT") == 0 )
Abc_ObjSetData( pNode, Abc_SopCreateInv((Mem_Flex_t *)pNtk->pManFunc) );
else if ( strncmp(pType, "MUX", 3) == 0 )
// Abc_ObjSetData( pNode, Abc_SopRegister(pNtk->pManFunc, "1-0 1\n-11 1\n") );
Abc_ObjSetData( pNode, Abc_SopRegister((Mem_Flex_t *)pNtk->pManFunc, "0-1 1\n11- 1\n") );
else if ( strncmp(pType, "gnd", 3) == 0 )
Abc_ObjSetData( pNode, Abc_SopRegister( (Mem_Flex_t *)pNtk->pManFunc, " 0\n" ) );
else if ( strncmp(pType, "vdd", 3) == 0 )
Abc_ObjSetData( pNode, Abc_SopRegister( (Mem_Flex_t *)pNtk->pManFunc, " 1\n" ) );
else
{
printf( "Io_ReadBenchNetwork(): Cannot determine gate type \"%s\" in line %d.\n", pType, Extra_FileReaderGetLineNumber(p, 0) );
Vec_StrFree( vString );
Abc_NtkDelete( pNtk );
return NULL;
}
}
}
}
Extra_ProgressBarStop( pProgress );
Vec_StrFree( vString );
// check if constant 0 is present
if ( (pNet = Abc_NtkFindNet( pNtk, "gnd" )) )
{
if ( Abc_ObjFaninNum(pNet) == 0 )
Io_ReadCreateConst( pNtk, "gnd", 0 );
}
if ( (pNet = Abc_NtkFindNet( pNtk, "1" )) )
{
if ( Abc_ObjFaninNum(pNet) == 0 )
{
printf( "Io_ReadBenchNetwork(): Adding constant 0 fanin to non-driven net \"1\".\n" );
Io_ReadCreateConst( pNtk, "1", 0 );
}
}
// check if constant 1 is present
if ( (pNet = Abc_NtkFindNet( pNtk, "vdd" )) )
{
if ( Abc_ObjFaninNum(pNet) == 0 )
Io_ReadCreateConst( pNtk, "vdd", 1 );
}
if ( (pNet = Abc_NtkFindNet( pNtk, "2" )) )
{
if ( Abc_ObjFaninNum(pNet) == 0 )
{
printf( "Io_ReadBenchNetwork(): Adding constant 1 fanin to non-driven net \"2\".\n" );
Io_ReadCreateConst( pNtk, "2", 1 );
}
}
Abc_NtkFinalizeRead( pNtk );
// if LUTs are present, collapse the truth tables into cubes
if ( fLutsPresent )
{
if ( !Abc_NtkToBdd(pNtk) )
{
printf( "Io_ReadBenchNetwork(): Converting to BDD has failed.\n" );
Abc_NtkDelete( pNtk );
return NULL;
}
if ( !Abc_NtkToSop(pNtk, 0) )
{
printf( "Io_ReadBenchNetwork(): Converting to SOP has failed.\n" );
Abc_NtkDelete( pNtk );
return NULL;
}
}
return pNtk;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Io_ReadBlifNetworkGate( Io_ReadBlif_t * p, Vec_Ptr_t * vTokens )
{
Mio_Library_t * pGenlib;
Mio_Gate_t * pGate;
Abc_Obj_t * pNode;
char ** ppNames;
int i, nNames;
// check that the library is available
pGenlib = (Mio_Library_t *)Abc_FrameReadLibGen();
if ( pGenlib == NULL )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "The current library is not available." );
Io_ReadBlifPrintErrorMessage( p );
return 1;
}
// create a new node and add it to the network
if ( vTokens->nSize < 2 )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "The .gate line has less than two tokens." );
Io_ReadBlifPrintErrorMessage( p );
return 1;
}
// get the gate
pGate = Mio_LibraryReadGateByName( pGenlib, (char *)vTokens->pArray[1] );
if ( pGate == NULL )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "Cannot find gate \"%s\" in the library.", (char*)vTokens->pArray[1] );
Io_ReadBlifPrintErrorMessage( p );
return 1;
}
// if this is the first line with gate, update the network type
if ( Abc_NtkNodeNum(p->pNtkCur) == 0 )
{
assert( p->pNtkCur->ntkFunc == ABC_FUNC_SOP );
p->pNtkCur->ntkFunc = ABC_FUNC_MAP;
Mem_FlexStop( (Mem_Flex_t *)p->pNtkCur->pManFunc, 0 );
p->pNtkCur->pManFunc = pGenlib;
}
// reorder the formal inputs to be in the same order as in the gate
if ( !Io_ReadBlifReorderFormalNames( vTokens, pGate ) )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "Mismatch in the fanins of gate \"%s\".", (char*)vTokens->pArray[1] );
Io_ReadBlifPrintErrorMessage( p );
return 1;
}
// remove the formal parameter names
for ( i = 2; i < vTokens->nSize; i++ )
{
vTokens->pArray[i] = Io_ReadBlifCleanName( (char *)vTokens->pArray[i] );
if ( vTokens->pArray[i] == NULL )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "Invalid gate input assignment." );
Io_ReadBlifPrintErrorMessage( p );
return 1;
}
}
// create the node
ppNames = (char **)vTokens->pArray + 2;
nNames = vTokens->nSize - 3;
pNode = Io_ReadCreateNode( p->pNtkCur, ppNames[nNames], ppNames, nNames );
// set the pointer to the functionality of the node
Abc_ObjSetData( pNode, pGate );
return 0;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Io_ReadBlifNetworkNames( Io_ReadBlif_t * p, Vec_Ptr_t ** pvTokens )
{
Vec_Ptr_t * vTokens = *pvTokens;
Abc_Ntk_t * pNtk = p->pNtkCur;
Abc_Obj_t * pNode;
char * pToken, Char, ** ppNames;
int nFanins, nNames;
// create a new node and add it to the network
if ( vTokens->nSize < 2 )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "The .names line has less than two tokens." );
Io_ReadBlifPrintErrorMessage( p );
return 1;
}
// create the node
ppNames = (char **)vTokens->pArray + 1;
nNames = vTokens->nSize - 2;
pNode = Io_ReadCreateNode( pNtk, ppNames[nNames], ppNames, nNames );
// derive the functionality of the node
p->vCubes->nSize = 0;
nFanins = vTokens->nSize - 2;
if ( nFanins == 0 )
{
while ( (vTokens = Io_ReadBlifGetTokens(p)) )
{
pToken = (char *)vTokens->pArray[0];
if ( pToken[0] == '.' )
break;
// read the cube
if ( vTokens->nSize != 1 )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "The number of tokens in the constant cube is wrong." );
Io_ReadBlifPrintErrorMessage( p );
return 1;
}
// create the cube
Char = ((char *)vTokens->pArray[0])[0];
Vec_StrPush( p->vCubes, ' ' );
Vec_StrPush( p->vCubes, Char );
Vec_StrPush( p->vCubes, '\n' );
}
}
else
{
while ( (vTokens = Io_ReadBlifGetTokens(p)) )
{
pToken = (char *)vTokens->pArray[0];
if ( pToken[0] == '.' )
break;
// read the cube
if ( vTokens->nSize != 2 )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "The number of tokens in the cube is wrong." );
Io_ReadBlifPrintErrorMessage( p );
return 1;
}
// create the cube
Vec_StrPrintStr( p->vCubes, (char *)vTokens->pArray[0] );
// check the char
Char = ((char *)vTokens->pArray[1])[0];
if ( Char != '0' && Char != '1' && Char != 'x' && Char != 'n' )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "The output character in the constant cube is wrong." );
Io_ReadBlifPrintErrorMessage( p );
return 1;
}
Vec_StrPush( p->vCubes, ' ' );
Vec_StrPush( p->vCubes, Char );
Vec_StrPush( p->vCubes, '\n' );
}
}
// if there is nothing there
if ( p->vCubes->nSize == 0 )
{
// create an empty cube
Vec_StrPush( p->vCubes, ' ' );
Vec_StrPush( p->vCubes, '0' );
Vec_StrPush( p->vCubes, '\n' );
}
Vec_StrPush( p->vCubes, 0 );
// set the pointer to the functionality of the node
Abc_ObjSetData( pNode, Abc_SopRegister((Mem_Flex_t *)pNtk->pManFunc, p->vCubes->pArray) );
// check the size
if ( Abc_ObjFaninNum(pNode) != Abc_SopGetVarNum((char *)Abc_ObjData(pNode)) )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "The number of fanins (%d) of node %s is different from SOP size (%d).",
Abc_ObjFaninNum(pNode), Abc_ObjName(Abc_ObjFanout(pNode,0)), Abc_SopGetVarNum((char *)Abc_ObjData(pNode)) );
Io_ReadBlifPrintErrorMessage( p );
return 1;
}
// return the last array of tokens
*pvTokens = vTokens;
return 0;
}
/**Function*************************************************************
Synopsis [Reads one (main or exdc) network from the BLIF file.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Io_ReadBlifNetworkOne( Io_ReadBlif_t * p )
{
ProgressBar * pProgress = NULL;
Abc_Ntk_t * pNtk;
char * pDirective;
int iLine, fTokensReady, fStatus;
// make sure the tokens are present
assert( p->vTokens != NULL );
// create the new network
p->pNtkCur = pNtk = Abc_NtkAlloc( ABC_NTK_NETLIST, ABC_FUNC_SOP, 1 );
// read the model name
if ( strcmp( (char *)p->vTokens->pArray[0], ".model" ) == 0 )
{
char * pToken, * pPivot;
if ( Vec_PtrSize(p->vTokens) != 2 )
{
p->LineCur = Extra_FileReaderGetLineNumber(p->pReader, 0);
sprintf( p->sError, "The .model line does not have exactly two entries." );
Io_ReadBlifPrintErrorMessage( p );
return NULL;
}
for ( pPivot = pToken = (char *)Vec_PtrEntry(p->vTokens, 1); *pToken; pToken++ )
if ( *pToken == '/' || *pToken == '\\' )
pPivot = pToken+1;
pNtk->pName = Extra_UtilStrsav( pPivot );
}
else if ( strcmp( (char *)p->vTokens->pArray[0], ".exdc" ) != 0 )
{
printf( "%s: File parsing skipped after line %d (\"%s\").\n", p->pFileName,
Extra_FileReaderGetLineNumber(p->pReader, 0), (char*)p->vTokens->pArray[0] );
Abc_NtkDelete(pNtk);
p->pNtkCur = NULL;
return NULL;
}
// read the inputs/outputs
if ( p->pNtkMaster == NULL )
pProgress = Extra_ProgressBarStart( stdout, Extra_FileReaderGetFileSize(p->pReader) );
fTokensReady = fStatus = 0;
for ( iLine = 0; fTokensReady || (p->vTokens = Io_ReadBlifGetTokens(p)); iLine++ )
{
if ( p->pNtkMaster == NULL && iLine % 1000 == 0 )
Extra_ProgressBarUpdate( pProgress, Extra_FileReaderGetCurPosition(p->pReader), NULL );
// consider different line types
fTokensReady = 0;
pDirective = (char *)p->vTokens->pArray[0];
if ( !strcmp( pDirective, ".names" ) )
{ fStatus = Io_ReadBlifNetworkNames( p, &p->vTokens ); fTokensReady = 1; }
else if ( !strcmp( pDirective, ".gate" ) )
fStatus = Io_ReadBlifNetworkGate( p, p->vTokens );
else if ( !strcmp( pDirective, ".latch" ) )
fStatus = Io_ReadBlifNetworkLatch( p, p->vTokens );
else if ( !strcmp( pDirective, ".inputs" ) )
fStatus = Io_ReadBlifNetworkInputs( p, p->vTokens );
else if ( !strcmp( pDirective, ".outputs" ) )
fStatus = Io_ReadBlifNetworkOutputs( p, p->vTokens );
else if ( !strcmp( pDirective, ".input_arrival" ) )
fStatus = Io_ReadBlifNetworkInputArrival( p, p->vTokens );
else if ( !strcmp( pDirective, ".output_required" ) )
fStatus = Io_ReadBlifNetworkOutputRequired( p, p->vTokens );
else if ( !strcmp( pDirective, ".default_input_arrival" ) )
fStatus = Io_ReadBlifNetworkDefaultInputArrival( p, p->vTokens );
else if ( !strcmp( pDirective, ".default_output_required" ) )
fStatus = Io_ReadBlifNetworkDefaultOutputRequired( p, p->vTokens );
else if ( !strcmp( pDirective, ".and_gate_delay" ) )
fStatus = Io_ReadBlifNetworkAndGateDelay( p, p->vTokens );
// else if ( !strcmp( pDirective, ".subckt" ) )
// fStatus = Io_ReadBlifNetworkSubcircuit( p, p->vTokens );
else if ( !strcmp( pDirective, ".exdc" ) )
break;
else if ( !strcmp( pDirective, ".end" ) )
{
p->vTokens = Io_ReadBlifGetTokens(p);
break;
}
else if ( !strcmp( pDirective, ".blackbox" ) )
{
pNtk->ntkType = ABC_NTK_NETLIST;
pNtk->ntkFunc = ABC_FUNC_BLACKBOX;
Mem_FlexStop( (Mem_Flex_t *)pNtk->pManFunc, 0 );
pNtk->pManFunc = NULL;
}
else
printf( "%s (line %d): Skipping directive \"%s\".\n", p->pFileName,
Extra_FileReaderGetLineNumber(p->pReader, 0), pDirective );
if ( p->vTokens == NULL ) // some files do not have ".end" in the end
break;
if ( fStatus == 1 )
{
Extra_ProgressBarStop( pProgress );
Abc_NtkDelete( pNtk );
return NULL;
}
}
if ( p->pNtkMaster == NULL )
Extra_ProgressBarStop( pProgress );
return pNtk;
}
