diff options
Diffstat (limited to 'src/base/wlc/wlcReadVer.c')
| -rw-r--r-- | src/base/wlc/wlcReadVer.c | 97 |
1 files changed, 95 insertions, 2 deletions
diff --git a/src/base/wlc/wlcReadVer.c b/src/base/wlc/wlcReadVer.c index 32375ac0..78af2d42 100644 --- a/src/base/wlc/wlcReadVer.c +++ b/src/base/wlc/wlcReadVer.c @@ -398,7 +398,7 @@ static inline char * Wlc_PrsFindName( char * pStr, char ** ppPlace ) } static inline char * Wlc_PrsReadConstant( Wlc_Prs_t * p, char * pStr, Vec_Int_t * vFanins, int * pRange, int * pSigned ) { - int nDigits, nBits = atoi( pStr ); + int i, nDigits, nBits = atoi( pStr ); *pRange = -1; *pSigned = 0; pStr = Wlc_PrsSkipSpaces( pStr ); @@ -418,6 +418,18 @@ static inline char * Wlc_PrsReadConstant( Wlc_Prs_t * p, char * pStr, Vec_Int_t *pSigned = 1; pStr++; } + if ( pStr[1] == 'b' ) + { + Vec_IntFill( vFanins, Abc_BitWordNum(nBits), 0 ); + for ( i = 0; i < nBits; i++ ) + if ( pStr[2+i] == '1' ) + Abc_InfoSetBit( (unsigned *)Vec_IntArray(vFanins), i ); + else if ( pStr[2+i] != '0' ) + return (char *)(ABC_PTRINT_T)Wlc_PrsWriteErrorMessage( p, pStr, "Wrong digit in binary constant \"%c\".", pStr[2+i] ); + *pRange = nBits; + pStr += 2 + nBits; + return pStr; + } if ( pStr[1] != 'h' ) return (char *)(ABC_PTRINT_T)Wlc_PrsWriteErrorMessage( p, pStr, "Expecting hexadecimal constant and not \"%c\".", pStr[1] ); Vec_IntFill( vFanins, Abc_BitWordNum(nBits), 0 ); @@ -652,6 +664,8 @@ int Wlc_PrsReadDeclaration( Wlc_Prs_t * p, char * pStart ) pStart = Wlc_PrsSkipSpaces( pStart ); if ( Wlc_PrsStrCmp( pStart, "wire" ) ) pStart += strlen("wire"); + else if ( Wlc_PrsStrCmp( pStart, "reg" ) ) + pStart += strlen("reg"); // read 'signed' pStart = Wlc_PrsFindWord( pStart, "signed", &Signed ); // read range @@ -696,6 +710,7 @@ int Wlc_PrsDerive( Wlc_Prs_t * p ) // go through the directives Wlc_PrsForEachLine( p, pStart, i ) { +startword: if ( Wlc_PrsStrCmp( pStart, "module" ) ) { // get module name @@ -770,7 +785,7 @@ int Wlc_PrsDerive( Wlc_Prs_t * p ) break; } // these are read as part of the interface - else if ( Wlc_PrsStrCmp( pStart, "input" ) || Wlc_PrsStrCmp( pStart, "output" ) || Wlc_PrsStrCmp( pStart, "wire" ) ) + else if ( Wlc_PrsStrCmp( pStart, "input" ) || Wlc_PrsStrCmp( pStart, "output" ) || Wlc_PrsStrCmp( pStart, "wire" ) || Wlc_PrsStrCmp( pStart, "reg" ) ) { if ( !Wlc_PrsReadDeclaration( p, pStart ) ) return 0; @@ -833,6 +848,84 @@ int Wlc_PrsDerive( Wlc_Prs_t * p ) Wlc_ObjAddFanins( p->pNtk, pObj, p->vFanins ); } } + else if ( Wlc_PrsStrCmp( pStart, "always" ) ) + { + // THIS IS A HACK TO DETECT tables + int NameId, NameIdOut = -1, fFound; + // find control + pStart = Wlc_PrsFindWord( pStart, "case", &fFound ); + if ( pStart == NULL ) + return Wlc_PrsWriteErrorMessage( p, pStart, "Cannot read case statement." ); + // read the name + pStart = Wlc_PrsFindSymbol( pStart, '(' ); + if ( pStart == NULL ) + return Wlc_PrsWriteErrorMessage( p, pStart, "Cannot read table." ); + pStart = Wlc_PrsFindSymbol( pStart+1, '(' ); + if ( pStart == NULL ) + return Wlc_PrsWriteErrorMessage( p, pStart, "Cannot read table." ); + pStart = Wlc_PrsFindName( pStart+1, &pName ); + if ( pStart == NULL ) + return Wlc_PrsWriteErrorMessage( p, pStart, "Cannot read name after case." ); + NameId = Abc_NamStrFindOrAdd( p->pNtk->pManName, pName, &fFound ); + if ( !fFound ) + return Wlc_PrsWriteErrorMessage( p, pStart, "Name %s is not declared.", pName ); + Vec_IntClear( p->vFanins ); + Vec_IntPush( p->vFanins, NameId ); + // read data inputs + while ( 1 ) + { + // find opening + pStart = Wlc_PrsFindSymbol( pStart, ':' ); + if ( pStart == NULL ) + return Wlc_PrsWriteErrorMessage( p, pStart, "Cannot find colon in the case statement." ); + // find output name + pStart = Wlc_PrsFindName( pStart+1, &pName ); + if ( pStart == NULL ) + return Wlc_PrsWriteErrorMessage( p, pStart, "Cannot read name after case." ); + NameIdOut = Abc_NamStrFindOrAdd( p->pNtk->pManName, pName, &fFound ); + if ( !fFound ) + return Wlc_PrsWriteErrorMessage( p, pStart, "Name %s is not declared.", pName ); + // find equality + pStart = Wlc_PrsFindSymbol( pStart, '=' ); + if ( pStart == NULL ) + return Wlc_PrsWriteErrorMessage( p, pStart, "Cannot find equality in the case statement." ); + // find input name + pStart = Wlc_PrsSkipSpaces( pStart+1 ); + pStart = Wlc_PrsReadName( p, pStart, p->vFanins ); + if ( pStart == NULL ) + return Wlc_PrsWriteErrorMessage( p, pStart, "Cannot read name inside case statement." ); + // get next line and check its opening character + pStart = Wlc_PrsStr(p, Vec_IntEntry(p->vStarts, ++i)); + pStart = Wlc_PrsSkipSpaces( pStart ); + if ( Wlc_PrsIsDigit(pStart) ) + continue; + if ( Wlc_PrsStrCmp( pStart, "default" ) ) + { + printf( "Ignoring default in Line %d.\n", i ); + pStart = Wlc_PrsStr(p, Vec_IntEntry(p->vStarts, ++i)); + } + // find closing + pStart = Wlc_PrsFindWord( pStart, "endcase", &fFound ); + if ( pStart == NULL ) + return Wlc_PrsWriteErrorMessage( p, pStart, "Cannot read case statement." ); + // find closing + pStart = Wlc_PrsFindWord( pStart, "end", &fFound ); + if ( pStart == NULL ) + return Wlc_PrsWriteErrorMessage( p, pStart, "Cannot read case statement." ); + pStart = Wlc_PrsSkipSpaces( pStart ); + break; + } + // check range of the control + { + Wlc_Obj_t * pObj = Wlc_NtkObj( p->pNtk, Vec_IntEntry(p->vFanins, 0) ); + if ( (1 << Wlc_ObjRange(pObj)) != Vec_IntSize(p->vFanins) - 1 ) + return Wlc_PrsWriteErrorMessage( p, pStart, "The number of values in the case statement is wrong.", pName ); + pObj = Wlc_NtkObj( p->pNtk, NameIdOut ); + Wlc_ObjUpdateType( p->pNtk, pObj, WLC_OBJ_MUX ); + Wlc_ObjAddFanins( p->pNtk, pObj, p->vFanins ); + goto startword; + } + } // else if ( Wlc_PrsStrCmp( pStart, "CPL_FF" ) ) else { |