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author | Alan Mishchenko <alanmi@berkeley.edu> | 2007-01-10 08:01:00 -0800 |
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committer | Alan Mishchenko <alanmi@berkeley.edu> | 2007-01-10 08:01:00 -0800 |
commit | 8dfe404863427d5e7b18d055ffd78b453835f959 (patch) | |
tree | f0efcc544e0501aa6477948744e4d2788a4fb965 /src/base/io/ioReadBlifMv.c | |
parent | be6a484a997a8477d4c3b03c17f798c1b0061bf1 (diff) | |
download | abc-8dfe404863427d5e7b18d055ffd78b453835f959.tar.gz abc-8dfe404863427d5e7b18d055ffd78b453835f959.tar.bz2 abc-8dfe404863427d5e7b18d055ffd78b453835f959.zip |
Version abc70110
Diffstat (limited to 'src/base/io/ioReadBlifMv.c')
-rw-r--r-- | src/base/io/ioReadBlifMv.c | 1469 |
1 files changed, 1469 insertions, 0 deletions
diff --git a/src/base/io/ioReadBlifMv.c b/src/base/io/ioReadBlifMv.c new file mode 100644 index 00000000..c55cc4c9 --- /dev/null +++ b/src/base/io/ioReadBlifMv.c @@ -0,0 +1,1469 @@ +/**CFile**************************************************************** + + FileName [ioReadBlifMv.c] + + SystemName [ABC: Logic synthesis and verification system.] + + PackageName [Command processing package.] + + Synopsis [Procedures to read BLIF-MV file.] + + Author [Alan Mishchenko] + + Affiliation [UC Berkeley] + + Date [Ver. 1.0. Started - January 8, 2007.] + + Revision [$Id: ioReadBlifMv.c,v 1.00 2007/01/08 00:00:00 alanmi Exp $] + +***********************************************************************/ + +#include "abc.h" +#include "extra.h" +#include "vecPtr.h" +#include "io.h" + +//////////////////////////////////////////////////////////////////////// +/// DECLARATIONS /// +//////////////////////////////////////////////////////////////////////// + +#define IO_BLIFMV_MAXVALUES 256 + +typedef struct Io_MvVar_t_ Io_MvVar_t; // parsing var +typedef struct Io_MvMod_t_ Io_MvMod_t; // parsing model +typedef struct Io_MvMan_t_ Io_MvMan_t; // parsing manager + +struct Io_MvVar_t_ +{ + int nValues; // the number of values + char ** pNames; // the value names +}; + +struct Io_MvMod_t_ +{ + // file lines + char * pName; // .model line + Vec_Ptr_t * vInputs; // .inputs lines + Vec_Ptr_t * vOutputs; // .outputs lines + Vec_Ptr_t * vLatches; // .latch lines + Vec_Ptr_t * vResets; // .reset lines + Vec_Ptr_t * vNames; // .names lines + Vec_Ptr_t * vSubckts; // .subckt lines + Vec_Ptr_t * vMvs; // .mv lines + int fBlackBox; // indicates blackbox model + // the resulting network + Abc_Ntk_t * pNtk; + Abc_Obj_t * pResetLatch; + // the parent manager + Io_MvMan_t * pMan; +}; + +struct Io_MvMan_t_ +{ + // general info about file + int fBlifMv; // the file is BLIF-MV + char * pFileName; // the name of the file + char * pBuffer; // the contents of the file + Vec_Ptr_t * vLines; // the line beginnings + // the results of reading + Abc_Lib_t * pDesign; // the design under construction + // intermediate storage for models + Vec_Ptr_t * vModels; // vector of models + Io_MvMod_t * pLatest; // the current model + // current processing info + Vec_Ptr_t * vTokens; // the current tokens + Vec_Ptr_t * vTokens2; // the current tokens + Vec_Str_t * vFunc; // the local function + // error reporting + char sError[512]; // the error string generated during parsing + // statistics + int nTablesRead; // the number of processed tables + int nTablesLeft; // the number of dangling tables +}; + +// static functions +static Io_MvMan_t * Io_MvAlloc(); +static void Io_MvFree( Io_MvMan_t * p ); +static Io_MvMod_t * Io_MvModAlloc(); +static void Io_MvModFree( Io_MvMod_t * p ); +static char * Io_MvLoadFile( char * pFileName ); +static void Io_MvReadPreparse( Io_MvMan_t * p ); +static void Io_MvReadInterfaces( Io_MvMan_t * p ); +static Abc_Lib_t * Io_MvParse( Io_MvMan_t * p ); +static int Io_MvParseLineModel( Io_MvMod_t * p, char * pLine ); +static int Io_MvParseLineInputs( Io_MvMod_t * p, char * pLine ); +static int Io_MvParseLineOutputs( Io_MvMod_t * p, char * pLine ); +static int Io_MvParseLineLatch( Io_MvMod_t * p, char * pLine ); +static int Io_MvParseLineSubckt( Io_MvMod_t * p, char * pLine ); +static int Io_MvParseLineMv( Io_MvMod_t * p, char * pLine ); +static int Io_MvParseLineNamesMv( Io_MvMod_t * p, char * pLine, int fReset ); +static int Io_MvParseLineNamesBlif( Io_MvMod_t * p, char * pLine ); + +static int Io_MvCharIsSpace( char s ) { return s == ' ' || s == '\t' || s == '\r' || s == '\n'; } +static int Io_MvCharIsMvSymb( char s ) { return s == '(' || s == ')' || s == '{' || s == '}' || s == '-' || s == ',' || s == '!'; } + +extern void Abc_NtkStartMvVars( Abc_Ntk_t * pNtk ); + +//////////////////////////////////////////////////////////////////////// +/// FUNCTION DEFINITIONS /// +//////////////////////////////////////////////////////////////////////// + +/**Function************************************************************* + + Synopsis [Reads the network from the BLIF or BLIF-MV file.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Abc_Lib_t * Io_ReadBlifMv( char * pFileName, int fBlifMv, int fCheck ) +{ + FILE * pFile; + Io_MvMan_t * p; + Abc_Lib_t * pDesign; + Abc_Ntk_t * pNtk; + char * pDesignName; + int i; + + // check that the file is available + pFile = fopen( pFileName, "rb" ); + if ( pFile == NULL ) + { + printf( "Io_ReadBlifMv(): The file is unavailable (absent or open).\n" ); + return 0; + } + fclose( pFile ); + + // start the file reader + p = Io_MvAlloc(); + p->fBlifMv = fBlifMv; + p->pFileName = pFileName; + p->pBuffer = Io_MvLoadFile( pFileName ); + if ( p->pBuffer == NULL ) + { + Io_MvFree( p ); + return NULL; + } + // set the design name + pDesignName = Extra_FileNameGeneric( pFileName ); + p->pDesign = Abc_LibCreate( pDesignName ); + free( pDesignName ); + // prepare the file for parsing + Io_MvReadPreparse( p ); + // parse interfaces of each network + Io_MvReadInterfaces( p ); + // construct the network + pDesign = Io_MvParse( p ); + if ( p->sError[0] ) + fprintf( stdout, "%s\n", p->sError ); + if ( pDesign == NULL ) + return NULL; + Io_MvFree( p ); + + // make sure that everything is okay with the network structure + if ( fCheck ) + { + Vec_PtrForEachEntry( pDesign->vModules, pNtk, i ) + { + if ( !Abc_NtkCheckRead( pNtk ) ) + { + printf( "Io_ReadBlifMv: The network check has failed for network %s.\n", pNtk->pName ); + Abc_LibFree( pDesign ); + return NULL; + } + } + } +Io_WriteBlifMvDesign( pDesign, "_temp_.mv" ); +Abc_LibPrint( pDesign ); +Abc_LibFree( pDesign ); +return NULL; +// return pDesign; +} + +/**Function************************************************************* + + Synopsis [Allocates the BLIF parsing structure.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static Io_MvMan_t * Io_MvAlloc() +{ + Io_MvMan_t * p; + p = ALLOC( Io_MvMan_t, 1 ); + memset( p, 0, sizeof(Io_MvMan_t) ); + p->vLines = Vec_PtrAlloc( 512 ); + p->vModels = Vec_PtrAlloc( 512 ); + p->vTokens = Vec_PtrAlloc( 512 ); + p->vTokens2 = Vec_PtrAlloc( 512 ); + p->vFunc = Vec_StrAlloc( 512 ); + return p; +} + +/**Function************************************************************* + + Synopsis [Frees the BLIF parsing structure.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static void Io_MvFree( Io_MvMan_t * p ) +{ + Io_MvMod_t * pMod; + int i; + if ( p->pDesign ) + Abc_LibFree( p->pDesign ); + if ( p->pBuffer ) + free( p->pBuffer ); + if ( p->vLines ) + Vec_PtrFree( p->vLines ); + if ( p->vModels ) + { + Vec_PtrForEachEntry( p->vModels, pMod, i ) + Io_MvModFree( pMod ); + Vec_PtrFree( p->vModels ); + } + Vec_PtrFree( p->vTokens ); + Vec_PtrFree( p->vTokens2 ); + Vec_StrFree( p->vFunc ); + free( p ); +} + +/**Function************************************************************* + + Synopsis [Allocates the BLIF parsing structure for one model.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static Io_MvMod_t * Io_MvModAlloc() +{ + Io_MvMod_t * p; + p = ALLOC( Io_MvMod_t, 1 ); + memset( p, 0, sizeof(Io_MvMod_t) ); + p->vInputs = Vec_PtrAlloc( 512 ); + p->vOutputs = Vec_PtrAlloc( 512 ); + p->vLatches = Vec_PtrAlloc( 512 ); + p->vResets = Vec_PtrAlloc( 512 ); + p->vNames = Vec_PtrAlloc( 512 ); + p->vSubckts = Vec_PtrAlloc( 512 ); + p->vMvs = Vec_PtrAlloc( 512 ); + return p; +} + +/**Function************************************************************* + + Synopsis [Allocates the BLIF parsing structure for one model.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static void Io_MvModFree( Io_MvMod_t * p ) +{ +// if ( p->pNtk ) +// Abc_NtkDelete( p->pNtk ); + Vec_PtrFree( p->vInputs ); + Vec_PtrFree( p->vOutputs ); + Vec_PtrFree( p->vLatches ); + Vec_PtrFree( p->vResets ); + Vec_PtrFree( p->vNames ); + Vec_PtrFree( p->vSubckts ); + Vec_PtrFree( p->vMvs ); + free( p ); +} + + + +/**Function************************************************************* + + Synopsis [Counts the number of given chars.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static int Io_MvCountChars( char * pLine, char Char ) +{ + char * pCur; + int Counter = 0; + for ( pCur = pLine; *pCur; pCur++ ) + if ( *pCur == Char ) + Counter++; + return Counter; +} + +/**Function************************************************************* + + Synopsis [Returns the place where the arrow is hiding.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static char * Io_MvFindArrow( char * pLine ) +{ + char * pCur; + for ( pCur = pLine; *(pCur+1); pCur++ ) + if ( *pCur == '-' && *(pCur+1) == '>' ) + { + *pCur = ' '; + *(pCur+1) = ' '; + return pCur; + } + return NULL; +} + +/**Function************************************************************* + + Synopsis [Collects the already split tokens.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static void Io_MvCollectTokens( Vec_Ptr_t * vTokens, char * pInput, char * pOutput ) +{ + char * pCur; + Vec_PtrClear( vTokens ); + for ( pCur = pInput; pCur < pOutput; pCur++ ) + { + if ( *pCur == 0 ) + continue; + Vec_PtrPush( vTokens, pCur ); + while ( *++pCur ); + } +} + +/**Function************************************************************* + + Synopsis [Splits the line into tokens.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static void Io_MvSplitIntoTokens( Vec_Ptr_t * vTokens, char * pLine, char Stop ) +{ + char * pCur; + // clear spaces + for ( pCur = pLine; *pCur != Stop; pCur++ ) + if ( Io_MvCharIsSpace(*pCur) ) + *pCur = 0; + // collect tokens + Io_MvCollectTokens( vTokens, pLine, pCur ); +} + +/**Function************************************************************* + + Synopsis [Splits the line into tokens when .default may be present.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static void Io_MvSplitIntoTokensMv( Vec_Ptr_t * vTokens, char * pLine ) +{ + char * pCur; + // clear spaces + for ( pCur = pLine; *pCur != '.' || *(pCur+1) == 'd'; pCur++ ) + if ( Io_MvCharIsSpace(*pCur) ) + *pCur = 0; + // collect tokens + Io_MvCollectTokens( vTokens, pLine, pCur ); +} + +/**Function************************************************************* + + Synopsis [Splits the line into tokens.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static void Io_MvSplitIntoTokensAndClear( Vec_Ptr_t * vTokens, char * pLine, char Stop, char Char ) +{ + char * pCur; + // clear spaces + for ( pCur = pLine; *pCur != Stop; pCur++ ) + if ( Io_MvCharIsSpace(*pCur) || *pCur == Char ) + *pCur = 0; + // collect tokens + Io_MvCollectTokens( vTokens, pLine, pCur ); +} + +/**Function************************************************************* + + Synopsis [Returns the 1-based number of the line in which the token occurs.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static int Io_MvGetLine( Io_MvMan_t * p, char * pToken ) +{ + char * pLine; + int i; + Vec_PtrForEachEntry( p->vLines, pLine, i ) + if ( pToken < pLine ) + return i; + return -1; +} + +/**Function************************************************************* + + Synopsis [Reads the file into a character buffer.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static char * Io_MvLoadFile( char * pFileName ) +{ + FILE * pFile; + int nFileSize; + char * pContents; + pFile = fopen( pFileName, "rb" ); + if ( pFile == NULL ) + { + printf( "Io_MvLoadFile(): The file is unavailable (absent or open).\n" ); + return NULL; + } + fseek( pFile, 0, SEEK_END ); + nFileSize = ftell( pFile ); + if ( nFileSize == 0 ) + { + printf( "Io_MvLoadFile(): The file is empty.\n" ); + return NULL; + } + pContents = ALLOC( char, nFileSize + 10 ); + rewind( pFile ); + fread( pContents, nFileSize, 1, pFile ); + fclose( pFile ); + // finish off the file with the spare .end line + // some benchmarks suddenly break off without this line + strcpy( pContents + nFileSize, "\n.end\n" ); + return pContents; +} + +/**Function************************************************************* + + Synopsis [Prepares the parsing.] + + Description [Performs several preliminary operations: + - Cuts the file buffer into separate lines. + - Removes comments and line extenders. + - Sorts lines by directives. + - Estimates the number of objects. + - Allocates room for the objects. + - Allocates room for the hash table.] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static void Io_MvReadPreparse( Io_MvMan_t * p ) +{ + char * pCur, * pPrev; + int i, fComment = 0; + // parse the buffer into lines and remove comments + Vec_PtrPush( p->vLines, p->pBuffer ); + for ( pCur = p->pBuffer; *pCur; pCur++ ) + { + if ( *pCur == '\n' ) + { + *pCur = 0; +// if ( *(pCur-1) == '\r' ) +// *(pCur-1) = 0; + fComment = 0; + Vec_PtrPush( p->vLines, pCur + 1 ); + } + else if ( *pCur == '#' ) + fComment = 1; + // remove comments + if ( fComment ) + *pCur = 0; + } + + // unfold the line extensions and sort lines by directive + Vec_PtrForEachEntry( p->vLines, pCur, i ) + { + if ( *pCur == 0 ) + continue; + // find previous non-space character + for ( pPrev = pCur - 2; pPrev >= p->pBuffer; pPrev-- ) + if ( !Io_MvCharIsSpace(*pPrev) ) + break; + // if it is the line extender, overwrite it with spaces + if ( *pPrev == '\\' ) + { + for ( ; *pPrev; pPrev++ ) + *pPrev = ' '; + *pPrev = ' '; + continue; + } + // skip spaces at the beginning of the line + while ( Io_MvCharIsSpace(*pCur++) ); + // parse directives + if ( *(pCur-1) != '.' ) + continue; + if ( !strncmp(pCur, "names", 5) || !strncmp(pCur, "table", 5) ) + Vec_PtrPush( p->pLatest->vNames, pCur ); + else if ( p->fBlifMv && (!strncmp(pCur, "def ", 4) || !strncmp(pCur, "default ", 8)) ) + continue; + else if ( !strncmp(pCur, "latch", 5) ) + Vec_PtrPush( p->pLatest->vLatches, pCur ); + else if ( !strncmp(pCur, "r ", 2) || !strncmp(pCur, "reset ", 6) ) + Vec_PtrPush( p->pLatest->vResets, pCur ); + else if ( !strncmp(pCur, "inputs", 6) ) + Vec_PtrPush( p->pLatest->vInputs, pCur ); + else if ( !strncmp(pCur, "outputs", 7) ) + Vec_PtrPush( p->pLatest->vOutputs, pCur ); + else if ( !strncmp(pCur, "subckt", 6) ) + Vec_PtrPush( p->pLatest->vSubckts, pCur ); + else if ( p->fBlifMv && !strncmp(pCur, "mv", 2) ) + Vec_PtrPush( p->pLatest->vMvs, pCur ); + else if ( !strncmp(pCur, "blackbox", 8) ) + p->pLatest->fBlackBox = 1; + else if ( !strncmp(pCur, "model", 5) ) + { + p->pLatest = Io_MvModAlloc(); + p->pLatest->pName = pCur; + p->pLatest->pMan = p; + } + else if ( !strncmp(pCur, "end", 3) ) + { + if ( p->pLatest ) + Vec_PtrPush( p->vModels, p->pLatest ); + p->pLatest = NULL; + } + else if ( !strncmp(pCur, "exdc", 4) ) + { + fprintf( stdout, "Line %d: Skipping EXDC network.\n", Io_MvGetLine(p, pCur) ); + break; + } + else + { + pCur--; + if ( pCur[strlen(pCur)-1] == '\r' ) + pCur[strlen(pCur)-1] = 0; + fprintf( stdout, "Line %d: Skipping line \"%s\".\n", Io_MvGetLine(p, pCur), pCur ); + } + } +} + +/**Function************************************************************* + + Synopsis [Parses interfaces of the models.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static void Io_MvReadInterfaces( Io_MvMan_t * p ) +{ + Io_MvMod_t * pMod; + char * pLine; + int i, k; + // iterate through the models + Vec_PtrForEachEntry( p->vModels, pMod, i ) + { + // parse the model + if ( !Io_MvParseLineModel( pMod, pMod->pName ) ) + return; + // add model to the design + if ( !Abc_LibAddModel( p->pDesign, pMod->pNtk ) ) + { + sprintf( p->sError, "Line %d: Model %s is defined twice.", Io_MvGetLine(p, pMod->pName), pMod->pName ); + return; + } + // parse the inputs + Vec_PtrForEachEntry( pMod->vInputs, pLine, k ) + if ( !Io_MvParseLineInputs( pMod, pLine ) ) + return; + // parse the outputs + Vec_PtrForEachEntry( pMod->vOutputs, pLine, k ) + if ( !Io_MvParseLineOutputs( pMod, pLine ) ) + return; + } +} + + +/**Function************************************************************* + + Synopsis [Reads the AIG in the binary AIGER format.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static Abc_Lib_t * Io_MvParse( Io_MvMan_t * p ) +{ + Abc_Lib_t * pDesign; + Io_MvMod_t * pMod; + char * pLine; + int i, k; + // iterate through the models + Vec_PtrForEachEntry( p->vModels, pMod, i ) + { + // check if there any MV lines + if ( Vec_PtrSize(pMod->vMvs) > 0 ) + Abc_NtkStartMvVars( pMod->pNtk ); + // parse the mv lines + Vec_PtrForEachEntry( pMod->vMvs, pLine, k ) + if ( !Io_MvParseLineMv( pMod, pLine ) ) + return NULL; + // if reset lines are used there should be the same number of them as latches + if ( Vec_PtrSize(pMod->vResets) > 0 ) + { + if ( Vec_PtrSize(pMod->vLatches) != Vec_PtrSize(pMod->vResets) ) + { + sprintf( p->sError, "Line %d: Model %s has different number of latches (%d) and reset nodes (%d).", + Io_MvGetLine(p, pMod->pName), Abc_NtkName(pMod->pNtk), Vec_PtrSize(pMod->vLatches), Vec_PtrSize(pMod->vResets) ); + return NULL; + } + // create binary latch with 1-data and 0-init + pMod->pResetLatch = Io_ReadCreateResetLatch( pMod->pNtk, p->fBlifMv ); + } + // parse the latches + Vec_PtrForEachEntry( pMod->vLatches, pLine, k ) + if ( !Io_MvParseLineLatch( pMod, pLine ) ) + return NULL; + // parse the reset lines + Vec_PtrForEachEntry( pMod->vResets, pLine, k ) + if ( !Io_MvParseLineNamesMv( pMod, pLine, 1 ) ) + return NULL; + // parse the nodes + if ( p->fBlifMv ) + { + Vec_PtrForEachEntry( pMod->vNames, pLine, k ) + if ( !Io_MvParseLineNamesMv( pMod, pLine, 0 ) ) + return NULL; + } + else + { + Vec_PtrForEachEntry( pMod->vNames, pLine, k ) + if ( !Io_MvParseLineNamesBlif( pMod, pLine ) ) + return NULL; + } + // parse the subcircuits + Vec_PtrForEachEntry( pMod->vSubckts, pLine, k ) + if ( !Io_MvParseLineSubckt( pMod, pLine ) ) + return NULL; + // finalize the network + Abc_NtkFinalizeRead( pMod->pNtk ); + } + // return the network + pDesign = p->pDesign; + p->pDesign = NULL; + return pDesign; +} + +/**Function************************************************************* + + Synopsis [Parses the model line.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static int Io_MvParseLineModel( Io_MvMod_t * p, char * pLine ) +{ + Vec_Ptr_t * vTokens = p->pMan->vTokens; + char * pToken; + Io_MvSplitIntoTokens( vTokens, pLine, '\0' ); + pToken = Vec_PtrEntry( vTokens, 0 ); + assert( !strcmp(pToken, "model") ); + if ( Vec_PtrSize(vTokens) != 2 ) + { + sprintf( p->pMan->sError, "Line %d: Model line has %d entries while it should have 2.", Io_MvGetLine(p->pMan, pToken), Vec_PtrSize(vTokens) ); + return 0; + } + if ( p->fBlackBox ) + p->pNtk = Abc_NtkAlloc( ABC_NTK_NETLIST, ABC_FUNC_BLACKBOX, 1 ); + else if ( p->pMan->fBlifMv ) + p->pNtk = Abc_NtkAlloc( ABC_NTK_NETLIST, ABC_FUNC_BLIFMV, 1 ); + else + p->pNtk = Abc_NtkAlloc( ABC_NTK_NETLIST, ABC_FUNC_SOP, 1 ); + p->pNtk->pName = Extra_UtilStrsav( Vec_PtrEntry(vTokens, 1) ); + return 1; +} + +/**Function************************************************************* + + Synopsis [Parses the inputs line.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static int Io_MvParseLineInputs( Io_MvMod_t * p, char * pLine ) +{ + Vec_Ptr_t * vTokens = p->pMan->vTokens; + char * pToken; + int i; + Io_MvSplitIntoTokens( vTokens, pLine, '\0' ); + pToken = Vec_PtrEntry(vTokens, 0); + assert( !strcmp(pToken, "inputs") ); + Vec_PtrForEachEntryStart( vTokens, pToken, i, 1 ) + Io_ReadCreatePi( p->pNtk, pToken ); + return 1; +} + +/**Function************************************************************* + + Synopsis [Parses the outputs line.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static int Io_MvParseLineOutputs( Io_MvMod_t * p, char * pLine ) +{ + Vec_Ptr_t * vTokens = p->pMan->vTokens; + char * pToken; + int i; + Io_MvSplitIntoTokens( vTokens, pLine, '\0' ); + pToken = Vec_PtrEntry(vTokens, 0); + assert( !strcmp(pToken, "outputs") ); + Vec_PtrForEachEntryStart( vTokens, pToken, i, 1 ) + Io_ReadCreatePo( p->pNtk, pToken ); + return 1; +} + +/**Function************************************************************* + + Synopsis [Parses the latches line.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static int Io_MvParseLineLatch( Io_MvMod_t * p, char * pLine ) +{ + Vec_Ptr_t * vTokens = p->pMan->vTokens; + Abc_Obj_t * pObj, * pMux, * pNet; + char * pToken; + int Init; + Io_MvSplitIntoTokens( vTokens, pLine, '\0' ); + pToken = Vec_PtrEntry(vTokens,0); + assert( !strcmp(pToken, "latch") ); + if ( Vec_PtrSize(vTokens) < 3 ) + { + sprintf( p->pMan->sError, "Line %d: Latch does not have input name and output name.", Io_MvGetLine(p->pMan, pToken) ); + return 0; + } + // create latch + if ( p->pResetLatch == NULL ) + { + pObj = Io_ReadCreateLatch( p->pNtk, Vec_PtrEntry(vTokens,1), Vec_PtrEntry(vTokens,2) ); + // get initial value + if ( Vec_PtrSize(vTokens) > 3 ) + Init = atoi( Vec_PtrEntry(vTokens,3) ); + else + Init = 2; + if ( Init < 0 || Init > 2 ) + { + sprintf( p->pMan->sError, "Line %d: Initial state of the latch is incorrect \"%s\".", Io_MvGetLine(p->pMan, pToken), Vec_PtrEntry(vTokens,3) ); + return 0; + } + if ( Init == 0 ) + Abc_LatchSetInit0( pObj ); + else if ( Init == 1 ) + Abc_LatchSetInit1( pObj ); + else // if ( Init == 2 ) + Abc_LatchSetInitDc( pObj ); + } + else + { + // get the net corresponding to output of reset latch + pNet = Abc_ObjFanout0(Abc_ObjFanout0(p->pResetLatch)); + assert( Abc_ObjIsNet(pNet) ); + // create mux + pMux = Io_ReadCreateResetMux( p->pNtk, Abc_ObjName(pNet), Vec_PtrEntry(vTokens,1), p->pMan->fBlifMv ); + // get the net of mux output + pNet = Abc_ObjFanout0(pMux); + // create latch + pObj = Io_ReadCreateLatch( p->pNtk, Abc_ObjName(pNet), Vec_PtrEntry(vTokens,2) ); + Abc_LatchSetInit0( pObj ); + } + return 1; +} + +/**Function************************************************************* + + Synopsis [Parses the subckt line.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static int Io_MvParseLineSubckt( Io_MvMod_t * p, char * pLine ) +{ + Vec_Ptr_t * vTokens = p->pMan->vTokens; + Abc_Ntk_t * pModel; + Abc_Obj_t * pBox, * pNet, * pTerm; + char * pToken, * pName, ** ppNames; + int nEquals, i, k; + + // split the line into tokens + nEquals = Io_MvCountChars( pLine, '=' ); + Io_MvSplitIntoTokensAndClear( vTokens, pLine, '\0', '=' ); + pToken = Vec_PtrEntry(vTokens,0); + assert( !strcmp(pToken, "subckt") ); + + // get the model for this box + pName = Vec_PtrEntry(vTokens,1); + pModel = Abc_LibFindModelByName( p->pMan->pDesign, pName ); + if ( pModel == NULL ) + { + sprintf( p->pMan->sError, "Line %d: Cannot find the model for subcircuit %s.", Io_MvGetLine(p->pMan, pToken), pName ); + return 0; + } + + // check if the number of tokens is correct + if ( nEquals != Abc_NtkPiNum(pModel) + Abc_NtkPoNum(pModel) ) + { + sprintf( p->pMan->sError, "Line %d: The number of ports (%d) in .subckt differs from the sum of PIs and POs of the model (%d).", + Io_MvGetLine(p->pMan, pToken), nEquals, Abc_NtkPiNum(pModel) + Abc_NtkPoNum(pModel) ); + return 0; + } + + // get the names + ppNames = (char **)Vec_PtrArray(vTokens) + 2 + p->pMan->fBlifMv; + + // create the box with these terminals + pBox = Abc_NtkCreateBlackbox( p->pNtk ); + pBox->pData = pModel; + if ( p->pMan->fBlifMv ) + Abc_ObjAssignName( pBox, Vec_PtrEntry(vTokens,2), NULL ); + Abc_NtkForEachPi( pModel, pTerm, i ) + { + // find this terminal among the formal inputs of the subcircuit + pName = Abc_ObjName(Abc_ObjFanout0(pTerm)); + for ( k = 0; k < nEquals; k++ ) + if ( !strcmp( ppNames[2*k], pName ) ) + break; + if ( k == nEquals ) + { + sprintf( p->pMan->sError, "Line %d: Cannot find PI \"%s\" of the model \"%s\" as a formal input of the subcircuit.", + Io_MvGetLine(p->pMan, pToken), pName, Abc_NtkName(pModel) ); + return 0; + } + // create the BI with the actual name + pNet = Abc_NtkFindOrCreateNet( p->pNtk, ppNames[2*k+1] ); + pTerm = Abc_NtkCreateBi( p->pNtk ); + Abc_ObjAddFanin( pBox, pTerm ); + Abc_ObjAddFanin( pTerm, pNet ); + } + Abc_NtkForEachPo( pModel, pTerm, i ) + { + // find this terminal among the formal outputs of the subcircuit + pName = Abc_ObjName(Abc_ObjFanin0(pTerm)); + for ( k = 0; k < nEquals; k++ ) + if ( !strcmp( ppNames[2*k], pName ) ) + break; + if ( k == nEquals ) + { + sprintf( p->pMan->sError, "Line %d: Cannot find PO \"%s\" of the modell \"%s\" as a formal output of the subcircuit.", + Io_MvGetLine(p->pMan, pToken), pName, Abc_NtkName(pModel) ); + return 0; + } + // create the BI with the actual name + pNet = Abc_NtkFindOrCreateNet( p->pNtk, ppNames[2*k+1] ); + pTerm = Abc_NtkCreateBo( p->pNtk ); + Abc_ObjAddFanin( pNet, pTerm ); + Abc_ObjAddFanin( pTerm, pBox ); + } + return 1; +} + + +/**Function************************************************************* + + Synopsis [Parses the mv line.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static int Io_MvParseLineMv( Io_MvMod_t * p, char * pLine ) +{ + Vec_Ptr_t * vTokens = p->pMan->vTokens; + Abc_Obj_t * pObj; + Io_MvVar_t * pVar; + Extra_MmFlex_t * pFlex; + char * pName; + int nCommas, nValues, i, k; + // count commas and get the tokens + nCommas = Io_MvCountChars( pLine, ',' ); + Io_MvSplitIntoTokensAndClear( vTokens, pLine, '\0', ',' ); + pName = Vec_PtrEntry(vTokens,0); + assert( !strcmp(pName, "mv") ); + // get the number of values + if ( Vec_PtrSize(vTokens) <= nCommas + 2 ) + { + sprintf( p->pMan->sError, "Line %d: The number of values in not specified in .mv line.", Io_MvGetLine(p->pMan, pName), pName ); + return 0; + } + nValues = atoi( Vec_PtrEntry(vTokens,nCommas+2) ); + if ( nValues < 2 || nValues > IO_BLIFMV_MAXVALUES ) + { + sprintf( p->pMan->sError, "Line %d: The number of values (%d) is incorrect (should be >= 2 and <= %d).", + Io_MvGetLine(p->pMan, pName), nValues, IO_BLIFMV_MAXVALUES ); + return 0; + } + // if there is no symbolic values, quit + if ( nValues == 2 && Vec_PtrSize(vTokens) == nCommas + 3 ) + return 1; + if ( Vec_PtrSize(vTokens) > nCommas + 3 && Vec_PtrSize(vTokens) - (nCommas + 3) != nValues ) + { + sprintf( p->pMan->sError, "Line %d: Wrong number (%d) of symbolic value names (should be %d).", + Io_MvGetLine(p->pMan, pName), Vec_PtrSize(vTokens) - (nCommas + 3), nValues ); + return 0; + } + // go through variables + pFlex = Abc_NtkMvVarMan( p->pNtk ); + for ( i = 0; i <= nCommas; i++ ) + { + pName = Vec_PtrEntry( vTokens, i+1 ); + pObj = Abc_NtkFindOrCreateNet( p->pNtk, pName ); + // allocate variable + pVar = (Io_MvVar_t *)Extra_MmFlexEntryFetch( pFlex, sizeof(Io_MvVar_t) ); + pVar->nValues = nValues; + pVar->pNames = NULL; + // create names + if ( Vec_PtrSize(vTokens) > nCommas + 3 ) + { + pVar->pNames = (char **)Extra_MmFlexEntryFetch( pFlex, sizeof(char *) * nValues ); + Vec_PtrForEachEntryStart( vTokens, pName, k, nCommas + 3 ) + { + pVar->pNames[k-(nCommas + 3)] = (char *)Extra_MmFlexEntryFetch( pFlex, strlen(pName) + 1 ); + strcpy( pVar->pNames[k-(nCommas + 3)], pName ); + } + } + // save the variable + Abc_ObjSetMvVar( pObj, pVar ); + } + // make sure the names are unique + if ( pVar->pNames ) + { + for ( i = 0; i < nValues; i++ ) + for ( k = i+1; k < nValues; k++ ) + if ( !strcmp(pVar->pNames[i], pVar->pNames[k]) ) + { + pName = Vec_PtrEntry(vTokens,0); + sprintf( p->pMan->sError, "Line %d: Symbolic value name \"%s\" is repeated in .mv line.", + Io_MvGetLine(p->pMan, pName), pVar->pNames[i] ); + return 0; + } + } + return 1; +} + +/**Function************************************************************* + + Synopsis [Writes the values into the BLIF-MV representation for the node.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static int Io_MvWriteValues( Abc_Obj_t * pNode, Vec_Str_t * vFunc ) +{ + char Buffer[10]; + Abc_Obj_t * pFanin; + int i; + // add the fanin number of values + Abc_ObjForEachFanin( pNode, pFanin, i ) + { + sprintf( Buffer, "%d", Abc_ObjMvVarNum(pFanin) ); + Vec_StrAppend( vFunc, Buffer ); + Vec_StrPush( vFunc, ' ' ); + } + // add the node number of values + sprintf( Buffer, "%d", Abc_ObjMvVarNum(Abc_ObjFanout0(pNode)) ); + Vec_StrAppend( vFunc, Buffer ); + Vec_StrPush( vFunc, '\n' ); + return 1; +} + +/**Function************************************************************* + + Synopsis [Translated one literal.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static int Io_MvParseLiteralMv( Io_MvMod_t * p, Abc_Obj_t * pNode, char * pToken, Vec_Str_t * vFunc, int iLit ) +{ + char Buffer[10]; + Io_MvVar_t * pVar; + Abc_Obj_t * pFanin, * pNet; + char * pCur, * pNext; + int i; + // consider the equality literal + if ( pToken[0] == '=' ) + { + // find the fanins + Abc_ObjForEachFanin( pNode, pFanin, i ) + if ( !strcmp( Abc_ObjName(pFanin), pToken + 1 ) ) + break; + if ( i == Abc_ObjFaninNum(pNode) ) + { + sprintf( p->pMan->sError, "Line %d: Node name in the table \"%s\" cannot be found on .names line.", + Io_MvGetLine(p->pMan, pToken), pToken + 1 ); + return 0; + } + Vec_StrPush( vFunc, '=' ); + sprintf( Buffer, "%d", i ); + Vec_StrAppend( vFunc, Buffer ); + Vec_StrPush( vFunc, (char)((iLit == -1)? '\n' : ' ') ); + return 1; + } + // consider regular literal + assert( iLit < Abc_ObjFaninNum(pNode) ); + pNet = iLit >= 0 ? Abc_ObjFanin(pNode, iLit) : Abc_ObjFanout0(pNode); + pVar = Abc_ObjMvVar( pNet ); + // if the var is absent or has no symbolic values quit + if ( pVar == NULL || pVar->pNames == NULL ) + { + Vec_StrAppend( vFunc, pToken ); + Vec_StrPush( vFunc, (char)((iLit == -1)? '\n' : ' ') ); + return 1; + } + // parse the literal using symbolic values + for ( pCur = pToken; *pCur; pCur++ ) + { + if ( Io_MvCharIsMvSymb(*pCur) ) + { + Vec_StrPush( vFunc, *pCur ); + continue; + } + // find the next MvSymb char + for ( pNext = pCur+1; *pNext; pNext++ ) + if ( Io_MvCharIsMvSymb(*pNext) ) + break; + // look for the value name + for ( i = 0; i < pVar->nValues; i++ ) + if ( !strncmp( pVar->pNames[i], pCur, pNext-pCur ) ) + break; + if ( i == pVar->nValues ) + { + *pNext = 0; + sprintf( p->pMan->sError, "Line %d: Cannot find value name \"%s\" among the value names of variable \"%s\".", + Io_MvGetLine(p->pMan, pToken), pCur, Abc_ObjName(pNet) ); + return 0; + } + // value name is found + sprintf( Buffer, "%d", i ); + Vec_StrAppend( vFunc, Buffer ); + // update the pointer + pCur = pNext - 1; + } + Vec_StrPush( vFunc, (char)((iLit == -1)? '\n' : ' ') ); + return 1; +} + +/**Function************************************************************* + + Synopsis [Constructs the MV-SOP cover from the file parsing info.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static char * Io_MvParseTableMv( Io_MvMod_t * p, Abc_Obj_t * pNode, Vec_Ptr_t * vTokens2, int nInputs, int nOutputs, int iOut ) +{ + Vec_Str_t * vFunc = p->pMan->vFunc; + char * pFirst, * pToken; + int iStart, i; + // prepare the place for the cover + Vec_StrClear( vFunc ); + // write the number of values + Io_MvWriteValues( pNode, vFunc ); + // get the first token + pFirst = Vec_PtrEntry( vTokens2, 0 ); + if ( pFirst[0] == '.' ) + { + // write the default literal + Vec_StrPush( vFunc, 'd' ); + pToken = Vec_PtrEntry(vTokens2, 1 + iOut); + if ( !Io_MvParseLiteralMv( p, pNode, pToken, vFunc, -1 ) ) + return NULL; + iStart = 1 + nOutputs; + } + else + iStart = 0; + // write the remaining literals + while ( iStart < Vec_PtrSize(vTokens2) ) + { + // input literals + for ( i = 0; i < nInputs; i++ ) + { + pToken = Vec_PtrEntry( vTokens2, iStart + i ); + if ( !Io_MvParseLiteralMv( p, pNode, pToken, vFunc, i ) ) + return NULL; + } + // output literal + pToken = Vec_PtrEntry( vTokens2, iStart + nInputs + iOut ); + if ( !Io_MvParseLiteralMv( p, pNode, pToken, vFunc, -1 ) ) + return NULL; + // update the counter + iStart += nInputs + nOutputs; + } + Vec_StrPush( vFunc, '\0' ); + return Vec_StrArray( vFunc ); +} + +/**Function************************************************************* + + Synopsis [Parses the nodes line.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static int Io_MvParseLineNamesMvOne( Io_MvMod_t * p, Vec_Ptr_t * vTokens, Vec_Ptr_t * vTokens2, int nInputs, int nOutputs, int iOut, int fReset ) +{ + Abc_Obj_t * pNet, * pNode; + char * pName; + // get the output name + pName = Vec_PtrEntry( vTokens, Vec_PtrSize(vTokens) - nOutputs + iOut ); + // create the node + if ( fReset ) + { + pNet = Abc_NtkFindNet( p->pNtk, pName ); + if ( pNet == NULL ) + { + sprintf( p->pMan->sError, "Line %d: Latch with output signal \"%s\" does not exist.", Io_MvGetLine(p->pMan, pName), pName ); + return 0; + } + if ( !Abc_ObjIsBo(Abc_ObjFanin0(pNet)) ) + { + sprintf( p->pMan->sError, "Line %d: Reset line \"%s\" defines signal that is not a latch output.", Io_MvGetLine(p->pMan, pName), pName ); + return 0; + } + // get the latch input + pNode = Abc_ObjFanin0(Abc_ObjFanin0(Abc_ObjFanin0(pNet))); + assert( Abc_ObjIsBi(pNode) ); + // get the MUX feeding into the latch + pNode = Abc_ObjFanin0(Abc_ObjFanin0(pNode)); + assert( Abc_ObjFaninNum(pNode) == 3 ); + // get the corresponding fanin net + pNet = Abc_ObjFanin( pNode, 2 ); + // create fanins + pNode = Io_ReadCreateNode( p->pNtk, Abc_ObjName(pNet), (char **)(vTokens->pArray + 1), nInputs ); + assert( nInputs == Vec_PtrSize(vTokens) - 2 ); + } + else + { + pNet = Abc_NtkFindOrCreateNet( p->pNtk, pName ); + if ( Abc_ObjFaninNum(pNet) > 0 ) + { + sprintf( p->pMan->sError, "Line %d: Signal \"%s\" is defined more than once.", Io_MvGetLine(p->pMan, pName), pName ); + return 0; + } + pNode = Io_ReadCreateNode( p->pNtk, pName, (char **)(vTokens->pArray + 1), nInputs ); + } + // create the cover + pNode->pData = Io_MvParseTableMv( p, pNode, vTokens2, nInputs, nOutputs, iOut ); + if ( pNode->pData == NULL ) + return 0; + pNode->pData = Abc_SopRegister( p->pNtk->pManFunc, pNode->pData ); +//printf( "Finished parsing node \"%s\" with table:\n%s\n", pName, pNode->pData ); + return 1; +} + +/**Function************************************************************* + + Synopsis [Parses the nodes line.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static int Io_MvParseLineNamesMv( Io_MvMod_t * p, char * pLine, int fReset ) +{ + Vec_Ptr_t * vTokens = p->pMan->vTokens; + Vec_Ptr_t * vTokens2 = p->pMan->vTokens2; + char * pName, * pFirst, * pArrow; + int nInputs, nOutputs, nLiterals, nLines, i; + assert( p->pMan->fBlifMv ); + // get the arrow if it is present + pArrow = Io_MvFindArrow( pLine ); + if ( !p->pMan->fBlifMv && pArrow ) + { + sprintf( p->pMan->sError, "Line %d: Multi-output node symbol (->) in binary BLIF file.", Io_MvGetLine(p->pMan, pLine) ); + return 0; + } + // split names line into tokens + Io_MvSplitIntoTokens( vTokens, pLine, '\0' ); + if ( fReset ) + assert( !strcmp(Vec_PtrEntry(vTokens,0), "r") ); + else + assert( !strcmp(Vec_PtrEntry(vTokens,0), "names") || !strcmp(Vec_PtrEntry(vTokens,0), "table") ); + // find the number of inputs and outputs + nInputs = Vec_PtrSize(vTokens) - 2; + nOutputs = 1; + if ( pArrow != NULL ) + { + for ( i = Vec_PtrSize(vTokens) - 2; i >= 1; i-- ) + if ( pArrow < (char*)Vec_PtrEntry(vTokens,i) ) + { + nInputs--; + nOutputs++; + } + } + // split table into tokens + pName = Vec_PtrEntryLast( vTokens ); + Io_MvSplitIntoTokensMv( vTokens2, pName + strlen(pName) ); + pFirst = Vec_PtrEntry( vTokens2, 0 ); + if ( pFirst[0] == '.' ) + { + assert( pFirst[1] == 'd' ); + nLiterals = Vec_PtrSize(vTokens2) - 1 - nOutputs; + } + else + nLiterals = Vec_PtrSize(vTokens2); + // check the number of lines + if ( nLiterals % (nInputs + nOutputs) != 0 ) + { + sprintf( p->pMan->sError, "Line %d: Wrong number of literals in the table of node \"%s\". (Spaces inside literals are not allowed.)", Io_MvGetLine(p->pMan, pFirst), pName ); + return 0; + } + // check for the ND table + nLines = nLiterals / (nInputs + nOutputs); + if ( nInputs == 0 && nLines > 1 ) + { + Abc_Obj_t * pNode, * pNet; + // add the outputs to the PIs + for ( i = 0; i < nOutputs; i++ ) + { + pName = Vec_PtrEntry( vTokens, Vec_PtrSize(vTokens) - nOutputs + i ); + fprintf( stdout, "Io_ReadBlifMv(): Adding PI for internal non-deterministic node \"%s\".\n", pName ); + // get the net corresponding to this node + pNet = Abc_NtkFindOrCreateNet(p->pNtk, pName); + if ( fReset ) + { + // get the latch input + pNode = Abc_ObjFanin0(Abc_ObjFanin0(Abc_ObjFanin0(pNet))); + assert( Abc_ObjIsBi(pNode) ); + // get the MUX feeding into the latch + pNode = Abc_ObjFanin0(Abc_ObjFanin0(pNode)); + assert( Abc_ObjFaninNum(pNode) == 3 ); + // get the corresponding fanin net + pNet = Abc_ObjFanin( pNode, 2 ); + } +// Io_ReadCreatePi( p->pNtk, pName ); + Abc_ObjAddFanin( pNet, Abc_NtkCreatePi(p->pNtk) ); + } + return 1; + } + // iterate through the outputs + for ( i = 0; i < nOutputs; i++ ) + { + if ( !Io_MvParseLineNamesMvOne( p, vTokens, vTokens2, nInputs, nOutputs, i, fReset ) ) + return 0; + } + return 1; +} + + +/**Function************************************************************* + + Synopsis [Constructs the SOP cover from the file parsing info.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static char * Io_MvParseTableBlif( Io_MvMod_t * p, char * pTable, int nFanins ) +{ + Vec_Ptr_t * vTokens = p->pMan->vTokens; + Vec_Str_t * vFunc = p->pMan->vFunc; + char * pProduct, * pOutput; + int i, Polarity = -1; + + p->pMan->nTablesRead++; + // get the tokens + Io_MvSplitIntoTokens( vTokens, pTable, '.' ); + if ( Vec_PtrSize(vTokens) == 0 ) + return Abc_SopCreateConst0( p->pNtk->pManFunc ); + if ( Vec_PtrSize(vTokens) == 1 ) + { + pOutput = Vec_PtrEntry( vTokens, 0 ); + if ( ((pOutput[0] - '0') & 0x8E) || pOutput[1] ) + { + sprintf( p->pMan->sError, "Line %d: Constant table has wrong output value \"%s\".", Io_MvGetLine(p->pMan, pOutput), pOutput ); + return NULL; + } + return pOutput[0] == '0' ? Abc_SopCreateConst0(p->pNtk->pManFunc) : Abc_SopCreateConst1(p->pNtk->pManFunc); + } + pProduct = Vec_PtrEntry( vTokens, 0 ); + if ( Vec_PtrSize(vTokens) % 2 == 1 ) + { + sprintf( p->pMan->sError, "Line %d: Table has odd number of tokens (%d).", Io_MvGetLine(p->pMan, pProduct), Vec_PtrSize(vTokens) ); + return NULL; + } + // parse the table + Vec_StrClear( vFunc ); + for ( i = 0; i < Vec_PtrSize(vTokens)/2; i++ ) + { + pProduct = Vec_PtrEntry( vTokens, 2*i + 0 ); + pOutput = Vec_PtrEntry( vTokens, 2*i + 1 ); + if ( strlen(pProduct) != (unsigned)nFanins ) + { + sprintf( p->pMan->sError, "Line %d: Cube \"%s\" has size different from the fanin count (%d).", Io_MvGetLine(p->pMan, pProduct), pProduct, nFanins ); + return NULL; + } + if ( ((pOutput[0] - '0') & 0x8E) || pOutput[1] ) + { + sprintf( p->pMan->sError, "Line %d: Output value \"%s\" is incorrect.", Io_MvGetLine(p->pMan, pProduct), pOutput ); + return NULL; + } + if ( Polarity == -1 ) + Polarity = pOutput[0] - '0'; + else if ( Polarity != pOutput[0] - '0' ) + { + sprintf( p->pMan->sError, "Line %d: Output value \"%s\" differs from the value in the first line of the table (%d).", Io_MvGetLine(p->pMan, pProduct), pOutput, Polarity ); + return NULL; + } + // parse one product product + Vec_StrAppend( vFunc, pProduct ); + Vec_StrPush( vFunc, ' ' ); + Vec_StrPush( vFunc, pOutput[0] ); + Vec_StrPush( vFunc, '\n' ); + } + Vec_StrPush( vFunc, '\0' ); + return Vec_StrArray( vFunc ); +} + +/**Function************************************************************* + + Synopsis [Parses the nodes line.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static int Io_MvParseLineNamesBlif( Io_MvMod_t * p, char * pLine ) +{ + Vec_Ptr_t * vTokens = p->pMan->vTokens; + Abc_Obj_t * pNet, * pNode; + char * pName; + assert( !p->pMan->fBlifMv ); + Io_MvSplitIntoTokens( vTokens, pLine, '\0' ); + assert( !strcmp(Vec_PtrEntry(vTokens,0), "names") ); + pName = Vec_PtrEntryLast( vTokens ); + pNet = Abc_NtkFindOrCreateNet( p->pNtk, pName ); + if ( Abc_ObjFaninNum(pNet) > 0 ) + { + sprintf( p->pMan->sError, "Line %d: Signal \"%s\" is defined more than once.", Io_MvGetLine(p->pMan, pName), pName ); + return 0; + } + // create fanins + pNode = Io_ReadCreateNode( p->pNtk, pName, (char **)(vTokens->pArray + 1), Vec_PtrSize(vTokens) - 2 ); + // parse the table of this node + pNode->pData = Io_MvParseTableBlif( p, pName + strlen(pName), Abc_ObjFaninNum(pNode) ); + if ( pNode->pData == NULL ) + return 0; + pNode->pData = Abc_SopRegister( p->pNtk->pManFunc, pNode->pData ); + return 1; +} + + +//////////////////////////////////////////////////////////////////////// +/// END OF FILE /// +//////////////////////////////////////////////////////////////////////// + + |