/**CFile**************************************************************** FileName [bacReadVer.c] SystemName [ABC: Logic synthesis and verification system.] PackageName [Hierarchical word-level netlist.] Synopsis [BLIF writer.] Author [Alan Mishchenko] Affiliation [UC Berkeley] Date [Ver. 1.0. Started - November 29, 2014.] Revision [$Id: bacReadVer.c,v 1.00 2014/11/29 00:00:00 alanmi Exp $] ***********************************************************************/ #include "bac.h" #include "bacPrs.h" ABC_NAMESPACE_IMPL_START //////////////////////////////////////////////////////////////////////// /// DECLARATIONS /// //////////////////////////////////////////////////////////////////////// // Verilog keywords typedef enum { PRS_VER_NONE = 0, // 0: unused PRS_VER_INPUT, // 1: input PRS_VER_OUTPUT, // 2: output PRS_VER_INOUT, // 3: inout PRS_VER_WIRE, // 4: wire PRS_VER_MODULE, // 5: module PRS_VER_ASSIGN, // 6: assign PRS_VER_REG, // 7: reg PRS_VER_ALWAYS, // 8: always PRS_VER_DEFPARAM, // 9: always PRS_VER_BEGIN, // 10: begin PRS_VER_END, // 11: end PRS_VER_ENDMODULE, // 12: endmodule PRS_VER_UNKNOWN // 13: unknown } Bac_VerType_t; static const char * s_VerTypes[PRS_VER_UNKNOWN+1] = { NULL, // 0: unused "input", // 1: input "output", // 2: output "inout", // 3: inout "wire", // 4: wire "module", // 5: module "assign", // 6: assign "reg", // 7: reg "always", // 8: always "defparam", // 9: defparam "begin", // 10: begin "end", // 11: end "endmodule", // 12: endmodule NULL // 13: unknown }; static inline void Psr_NtkAddVerilogDirectives( Psr_Man_t * p ) { int i; for ( i = 1; s_VerTypes[i]; i++ ) Abc_NamStrFindOrAdd( p->pStrs, (char *)s_VerTypes[i], NULL ); assert( Abc_NamObjNumMax(p->pStrs) == i ); } // character recognition static inline int Psr_CharIsSpace( char c ) { return (c == ' ' || c == '\t' || c == '\r' || c == '\n'); } static inline int Psr_CharIsDigit( char c ) { return (c >= '0' && c <= '9'); } static inline int Psr_CharIsDigitB( char c ) { return (c == '0' || c == '1' || c == 'x' || c == 'z'); } static inline int Psr_CharIsDigitH( char c ) { return (c >= '0' && c <= '9') || (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f'); } static inline int Psr_CharIsChar( char c ) { return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'); } static inline int Psr_CharIsSymb1( char c ) { return Psr_CharIsChar(c) || c == '_'; } static inline int Psr_CharIsSymb2( char c ) { return Psr_CharIsSymb1(c) || Psr_CharIsDigit(c) || c == '$'; } static inline int Psr_ManIsChar( Psr_Man_t * p, char c ) { return p->pCur[0] == c; } static inline int Psr_ManIsChar1( Psr_Man_t * p, char c ) { return p->pCur[1] == c; } static inline int Psr_ManIsDigit( Psr_Man_t * p ) { return Psr_CharIsDigit(*p->pCur); } //////////////////////////////////////////////////////////////////////// /// FUNCTION DEFINITIONS /// //////////////////////////////////////////////////////////////////////// /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ // collect predefined modules names static const char * s_VerilogModules[100] = { "const0", // BAC_BOX_CF, "const1", // BAC_BOX_CT, "constX", // BAC_BOX_CX, "constZ", // BAC_BOX_CZ, "buf", // BAC_BOX_BUF, "not", // BAC_BOX_INV, "and", // BAC_BOX_AND, "nand", // BAC_BOX_NAND, "or", // BAC_BOX_OR, "nor", // BAC_BOX_NOR, "xor", // BAC_BOX_XOR, "xnor", // BAC_BOX_XNOR, "sharp", // BAC_BOX_SHARP, "mux", // BAC_BOX_MUX, "maj", // BAC_BOX_MAJ, NULL }; static const char * s_KnownModules[100] = { "VERIFIC_", "add_", "mult_", "div_", "mod_", "rem_", "shift_left_", "shift_right_", "rotate_left_", "rotate_right_", "reduce_and_", "reduce_or_", "reduce_xor_", "reduce_nand_", "reduce_nor_", "reduce_xnor_", "LessThan_", "Mux_", "Select_", "Decoder_", "EnabledDecoder_", "PrioSelect_", "DualPortRam_", "ReadPort_", "WritePort_", "ClockedWritePort_", "lut", "and_", "or_", "xor_", "nand_", "nor_", "xnor_", "buf_", "inv_", "tri_", "sub_", "unary_minus_", "equal_", "not_equal_", "mux_", "wide_mux_", "wide_select_", "wide_dff_", "wide_dlatch_", "wide_dffrs_", "wide_dlatchrs_", "wide_prio_select_", "pow_", "PrioEncoder_", "abs", NULL }; // check if it is a Verilog predefined module static inline int Psr_ManIsVerilogModule( Psr_Man_t * p, char * pName ) { int i; for ( i = 0; s_VerilogModules[i]; i++ ) if ( !strcmp(pName, s_VerilogModules[i]) ) return BAC_BOX_CF + i; return 0; } // check if it is a known module static inline int Psr_ManIsKnownModule( Psr_Man_t * p, char * pName ) { int i; for ( i = 0; s_KnownModules[i]; i++ ) if ( !strncmp(pName, s_KnownModules[i], strlen(s_KnownModules[i])) ) return i; return 0; } /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ // skips Verilog comments (returns 1 if some comments were skipped) static inline int Psr_ManUtilSkipComments( Psr_Man_t * p ) { if ( !Psr_ManIsChar(p, '/') ) return 0; if ( Psr_ManIsChar1(p, '/') ) { for ( p->pCur += 2; p->pCur < p->pLimit; p->pCur++ ) if ( Psr_ManIsChar(p, '\n') ) { p->pCur++; return 1; } } else if ( Psr_ManIsChar1(p, '*') ) { for ( p->pCur += 2; p->pCur < p->pLimit; p->pCur++ ) if ( Psr_ManIsChar(p, '*') && Psr_ManIsChar1(p, '/') ) { p->pCur++; p->pCur++; return 1; } } return 0; } static inline int Psr_ManUtilSkipName( Psr_Man_t * p ) { if ( !Psr_ManIsChar(p, '\\') ) return 0; for ( p->pCur++; p->pCur < p->pLimit; p->pCur++ ) if ( Psr_ManIsChar(p, ' ') ) { p->pCur++; return 1; } return 0; } // skip any number of spaces and comments static inline int Psr_ManUtilSkipSpaces( Psr_Man_t * p ) { while ( p->pCur < p->pLimit ) { while ( Psr_CharIsSpace(*p->pCur) ) p->pCur++; if ( !*p->pCur ) return Psr_ManErrorSet(p, "Unexpectedly reached end-of-file.", 1); if ( !Psr_ManUtilSkipComments(p) ) return 0; } return Psr_ManErrorSet(p, "Unexpectedly reached end-of-file.", 1); } // skip everything including comments until the given char static inline int Psr_ManUtilSkipUntil( Psr_Man_t * p, char c ) { while ( p->pCur < p->pLimit ) { if ( Psr_ManIsChar(p, c) ) return 1; if ( Psr_ManUtilSkipComments(p) ) continue; if ( Psr_ManUtilSkipName(p) ) continue; p->pCur++; } return 0; } // skip everything including comments until the given word static inline int Psr_ManUtilSkipUntilWord( Psr_Man_t * p, char * pWord ) { char * pPlace = strstr( p->pCur, pWord ); if ( pPlace == NULL ) return 1; p->pCur = pPlace + strlen(pWord); return 0; } /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ static inline int Psr_ManReadName( Psr_Man_t * p ) { char * pStart = p->pCur; if ( Psr_ManIsChar(p, '\\') ) // escaped name { pStart = ++p->pCur; while ( !Psr_ManIsChar(p, ' ') ) p->pCur++; } else if ( Psr_CharIsSymb1(*p->pCur) ) // simple name { p->pCur++; while ( Psr_CharIsSymb2(*p->pCur) ) p->pCur++; } else return 0; return Abc_NamStrFindOrAddLim( p->pStrs, pStart, p->pCur, NULL ); } static inline int Psr_ManReadNameList( Psr_Man_t * p, Vec_Int_t * vTemp, char LastSymb ) { Vec_IntClear( vTemp ); while ( 1 ) { int Item = Psr_ManReadName(p); if ( Item == 0 ) return Psr_ManErrorSet(p, "Cannot read name in the list.", 0); if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 1.", 0); if ( Item == PRS_VER_WIRE ) continue; Vec_IntPush( vTemp, Item ); if ( Psr_ManIsChar(p, LastSymb) ) break; if ( !Psr_ManIsChar(p, ',') ) return Psr_ManErrorSet(p, "Expecting comma in the list.", 0); p->pCur++; if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 2.", 0); } return 1; } static inline int Psr_ManReadConstant( Psr_Man_t * p ) { char * pStart = p->pCur; assert( Psr_ManIsDigit(p) ); while ( Psr_ManIsDigit(p) ) p->pCur++; if ( !Psr_ManIsChar(p, '\'') ) return Psr_ManErrorSet(p, "Cannot read constant.", 0); p->pCur++; if ( Psr_ManIsChar(p, 'b') ) { p->pCur++; while ( Psr_CharIsDigitB(*p->pCur) ) { if ( *p->pCur == '0' ) p->pNtk->fHasC0s = 1; else if ( *p->pCur == '1' ) p->pNtk->fHasC1s = 1; else if ( *p->pCur == 'x' ) p->pNtk->fHasCXs = 1; else if ( *p->pCur == 'z' ) p->pNtk->fHasCZs = 1; p->pCur++; } } else if ( Psr_ManIsChar(p, 'h') ) { p->pCur++; p->pNtk->fHasC0s = 1; while ( Psr_CharIsDigitH(*p->pCur) ) { if ( *p->pCur != '0' ) p->pNtk->fHasC1s = 1; p->pCur++; } } else if ( Psr_ManIsChar(p, 'd') ) { p->pCur++; p->pNtk->fHasC0s = 1; while ( Psr_ManIsDigit(p) ) { if ( *p->pCur != '0' ) p->pNtk->fHasC1s = 1; p->pCur++; } } else return Psr_ManErrorSet(p, "Cannot read radix of constant.", 0); return Abc_NamStrFindOrAddLim( p->pStrs, pStart, p->pCur, NULL ); } static inline int Psr_ManReadRange( Psr_Man_t * p ) { assert( Psr_ManIsChar(p, '[') ); Vec_StrClear( &p->vCover ); Vec_StrPush( &p->vCover, *p->pCur++ ); if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 3.", 0); if ( !Psr_ManIsDigit(p) ) return Psr_ManErrorSet(p, "Cannot read digit in range specification.", 0); while ( Psr_ManIsDigit(p) ) Vec_StrPush( &p->vCover, *p->pCur++ ); if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 4.", 0); if ( Psr_ManIsChar(p, ':') ) { Vec_StrPush( &p->vCover, *p->pCur++ ); if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 5.", 0); if ( !Psr_ManIsDigit(p) ) return Psr_ManErrorSet(p, "Cannot read digit in range specification.", 0); while ( Psr_ManIsDigit(p) ) Vec_StrPush( &p->vCover, *p->pCur++ ); if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 6.", 0); } if ( !Psr_ManIsChar(p, ']') ) return Psr_ManErrorSet(p, "Cannot read closing brace in range specification.", 0); Vec_StrPush( &p->vCover, *p->pCur++ ); Vec_StrPush( &p->vCover, '\0' ); return Abc_NamStrFindOrAdd( p->pStrs, Vec_StrArray(&p->vCover), NULL ); } static inline int Psr_ManReadConcat( Psr_Man_t * p, Vec_Int_t * vTemp2 ) { extern int Psr_ManReadSignalList( Psr_Man_t * p, Vec_Int_t * vTemp, char LastSymb, int fAddForm ); assert( Psr_ManIsChar(p, '{') ); p->pCur++; if ( !Psr_ManReadSignalList( p, vTemp2, '}', 0 ) ) return Psr_ManErrorSet(p, "Error number 7.", 0); // check final assert( Psr_ManIsChar(p, '}') ); p->pCur++; // return special case assert( Vec_IntSize(vTemp2) > 0 ); if ( Vec_IntSize(vTemp2) == 1 ) return Vec_IntEntry(vTemp2, 0); return Abc_Var2Lit2( Psr_NtkAddConcat(p->pNtk, vTemp2), BAC_PRS_CONCAT ); } static inline int Psr_ManReadSignal( Psr_Man_t * p ) { int Item; if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 8.", 0); if ( Psr_ManIsDigit(p) ) { Item = Psr_ManReadConstant(p); if ( Item == 0 ) return Psr_ManErrorSet(p, "Error number 9.", 0); if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 10.", 0); return Abc_Var2Lit2( Item, BAC_PRS_CONST ); } if ( Psr_ManIsChar(p, '{') ) { if ( p->fUsingTemp2 ) return Psr_ManErrorSet(p, "Cannot read nested concatenations.", 0); p->fUsingTemp2 = 1; Item = Psr_ManReadConcat(p, &p->vTemp2); p->fUsingTemp2 = 0; if ( Item == 0 ) return Psr_ManErrorSet(p, "Error number 11.", 0); if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 12.", 0); return Item; } else { Item = Psr_ManReadName( p ); if ( Item == 0 ) return Psr_ManErrorSet(p, "Error number 13.", 0); // was return 1; if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 14.", 0); if ( Psr_ManIsChar(p, '[') ) { int Range = Psr_ManReadRange(p); if ( Range == 0 ) return Psr_ManErrorSet(p, "Error number 15.", 0); if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 16.", 0); return Abc_Var2Lit2( Psr_NtkAddSlice(p->pNtk, Item, Range), BAC_PRS_SLICE ); } return Abc_Var2Lit2( Item, BAC_PRS_NAME ); } } int Psr_ManReadSignalList( Psr_Man_t * p, Vec_Int_t * vTemp, char LastSymb, int fAddForm ) { Vec_IntClear( vTemp ); while ( 1 ) { int Item = Psr_ManReadSignal(p); if ( Item == 0 ) return Psr_ManErrorSet(p, "Cannot read signal in the list.", 0); if ( fAddForm ) Vec_IntPush( vTemp, 0 ); Vec_IntPush( vTemp, Item ); if ( Psr_ManIsChar(p, LastSymb) ) break; if ( !Psr_ManIsChar(p, ',') ) return Psr_ManErrorSet(p, "Expecting comma in the list.", 0); p->pCur++; } return 1; } static inline int Psr_ManReadSignalList2( Psr_Man_t * p, Vec_Int_t * vTemp ) { int FormId, ActItem; Vec_IntClear( vTemp ); assert( Psr_ManIsChar(p, '.') ); while ( Psr_ManIsChar(p, '.') ) { p->pCur++; FormId = Psr_ManReadName( p ); if ( FormId == 0 ) return Psr_ManErrorSet(p, "Cannot read formal name of the instance.", 0); if ( !Psr_ManIsChar(p, '(') ) return Psr_ManErrorSet(p, "Cannot read \"(\" in the instance.", 0); p->pCur++; if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 17.", 0); ActItem = Psr_ManReadSignal( p ); if ( ActItem == 0 ) return Psr_ManErrorSet(p, "Cannot read actual name of the instance.", 0); if ( !Psr_ManIsChar(p, ')') ) return Psr_ManErrorSet(p, "Cannot read \")\" in the instance.", 0); p->pCur++; Vec_IntPushTwo( vTemp, FormId, ActItem ); if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 18.", 0); if ( Psr_ManIsChar(p, ')') ) break; if ( !Psr_ManIsChar(p, ',') ) return Psr_ManErrorSet(p, "Expecting comma in the instance.", 0); p->pCur++; if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 19.", 0); } assert( Vec_IntSize(vTemp) > 0 ); assert( Vec_IntSize(vTemp) % 2 == 0 ); return 1; } /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ static inline int Psr_ManReadDeclaration( Psr_Man_t * p, int Type ) { int i, NameId, RangeId = 0; Vec_Int_t * vNames[4] = { &p->pNtk->vInputs, &p->pNtk->vOutputs, &p->pNtk->vInouts, &p->pNtk->vWires }; Vec_Int_t * vNamesR[4] = { &p->pNtk->vInputsR, &p->pNtk->vOutputsR, &p->pNtk->vInoutsR, &p->pNtk->vWiresR }; assert( Type >= PRS_VER_INPUT && Type <= PRS_VER_WIRE ); if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 20.", 0); if ( Psr_ManIsChar(p, '[') && !(RangeId = Psr_ManReadRange(p)) ) return Psr_ManErrorSet(p, "Error number 21.", 0); if ( !Psr_ManReadNameList( p, &p->vTemp, ';' ) ) return Psr_ManErrorSet(p, "Error number 22.", 0); Vec_IntForEachEntry( &p->vTemp, NameId, i ) { Vec_IntPush( vNames[Type - PRS_VER_INPUT], NameId ); Vec_IntPush( vNamesR[Type - PRS_VER_INPUT], RangeId ); if ( Type < PRS_VER_WIRE ) Vec_IntPush( &p->pNtk->vOrder, Abc_Var2Lit2(NameId, Type) ); } return 1; } static inline int Psr_ManReadAssign( Psr_Man_t * p ) { int OutItem, InItem, fCompl = 0, fCompl2 = 0, Oper = 0; // read output name OutItem = Psr_ManReadSignal( p ); if ( OutItem == 0 ) return Psr_ManErrorSet(p, "Cannot read output in assign-statement.", 0); if ( !Psr_ManIsChar(p, '=') ) return Psr_ManErrorSet(p, "Expecting \"=\" in assign-statement.", 0); p->pCur++; if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 23.", 0); if ( Psr_ManIsChar(p, '~') ) { fCompl = 1; p->pCur++; } // read first name InItem = Psr_ManReadSignal( p ); if ( InItem == 0 ) return Psr_ManErrorSet(p, "Cannot read first input name in the assign-statement.", 0); Vec_IntClear( &p->vTemp ); Vec_IntPush( &p->vTemp, 0 ); Vec_IntPush( &p->vTemp, InItem ); // check unary operator if ( Psr_ManIsChar(p, ';') ) { Vec_IntPush( &p->vTemp, 0 ); Vec_IntPush( &p->vTemp, OutItem ); Oper = fCompl ? BAC_BOX_INV : BAC_BOX_BUF; Psr_NtkAddBox( p->pNtk, Oper, 0, &p->vTemp ); return 1; } if ( Psr_ManIsChar(p, '&') ) Oper = BAC_BOX_AND; else if ( Psr_ManIsChar(p, '|') ) Oper = BAC_BOX_OR; else if ( Psr_ManIsChar(p, '^') ) Oper = BAC_BOX_XOR; else if ( Psr_ManIsChar(p, '?') ) Oper = BAC_BOX_MUX; else return Psr_ManErrorSet(p, "Unrecognized operator in the assign-statement.", 0); p->pCur++; if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 24.", 0); if ( Psr_ManIsChar(p, '~') ) { fCompl2 = 1; p->pCur++; } // read second name InItem = Psr_ManReadSignal( p ); if ( InItem == 0 ) return Psr_ManErrorSet(p, "Cannot read second input name in the assign-statement.", 0); Vec_IntPush( &p->vTemp, 0 ); Vec_IntPush( &p->vTemp, InItem ); // read third argument if ( Oper == BAC_BOX_MUX ) { assert( fCompl == 0 ); if ( !Psr_ManIsChar(p, ':') ) return Psr_ManErrorSet(p, "Expected colon in the MUX assignment.", 0); p->pCur++; // read third name InItem = Psr_ManReadSignal( p ); if ( InItem == 0 ) return Psr_ManErrorSet(p, "Cannot read third input name in the assign-statement.", 0); Vec_IntPush( &p->vTemp, 0 ); Vec_IntPush( &p->vTemp, InItem ); if ( !Psr_ManIsChar(p, ';') ) return Psr_ManErrorSet(p, "Expected semicolon at the end of the assign-statement.", 0); } else { // figure out operator if ( Oper == BAC_BOX_AND ) { if ( fCompl && !fCompl2 ) Oper = BAC_BOX_SHARPL; else if ( !fCompl && fCompl2 ) Oper = BAC_BOX_SHARP; else if ( fCompl && fCompl2 ) Oper = BAC_BOX_NOR; } else if ( Oper == BAC_BOX_OR ) { if ( fCompl && fCompl2 ) Oper = BAC_BOX_NAND; else assert( !fCompl && !fCompl2 ); } else if ( Oper == BAC_BOX_XOR ) { if ( fCompl && !fCompl2 ) Oper = BAC_BOX_XNOR; else assert( !fCompl && !fCompl2 ); } } // write binary operator Vec_IntPush( &p->vTemp, 0 ); Vec_IntPush( &p->vTemp, OutItem ); Psr_NtkAddBox( p->pNtk, Oper, 0, &p->vTemp ); return 1; } static inline int Psr_ManReadInstance( Psr_Man_t * p, int Func ) { int InstId, Status; /* static Counter = 0; if ( ++Counter == 7 ) { int s=0; } */ if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 25.", 0); if ( (InstId = Psr_ManReadName(p)) ) if (Psr_ManUtilSkipSpaces(p)) return Psr_ManErrorSet(p, "Error number 26.", 0); if ( !Psr_ManIsChar(p, '(') ) return Psr_ManErrorSet(p, "Expecting \"(\" in module instantiation.", 0); p->pCur++; if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 27.", 0); if ( Psr_ManIsChar(p, '.') ) // box Status = Psr_ManReadSignalList2(p, &p->vTemp); else // node { //char * s = Abc_NamStr(p->pStrs, Func); // translate elementary gate int iFuncNew = Psr_ManIsVerilogModule(p, Abc_NamStr(p->pStrs, Func)); if ( iFuncNew == 0 ) return Psr_ManErrorSet(p, "Cannot find elementary gate.", 0); Func = iFuncNew; Status = Psr_ManReadSignalList( p, &p->vTemp, ')', 1 ); } if ( Status == 0 ) return Psr_ManErrorSet(p, "Error number 28.", 0); assert( Psr_ManIsChar(p, ')') ); p->pCur++; if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 29.", 0); if ( !Psr_ManIsChar(p, ';') ) return Psr_ManErrorSet(p, "Expecting semicolon in the instance.", 0); // add box Psr_NtkAddBox( p->pNtk, Func, InstId, &p->vTemp ); return 1; } static inline int Psr_ManReadArguments( Psr_Man_t * p ) { int iRange = 0, iType = -1; Vec_Int_t * vSigs[3] = { &p->pNtk->vInputs, &p->pNtk->vOutputs, &p->pNtk->vInouts }; Vec_Int_t * vSigsR[3] = { &p->pNtk->vInputsR, &p->pNtk->vOutputsR, &p->pNtk->vInoutsR }; assert( Psr_ManIsChar(p, '(') ); p->pCur++; if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 30.", 0); while ( 1 ) { int iName = Psr_ManReadName( p ); if ( iName == 0 ) return Psr_ManErrorSet(p, "Error number 31.", 0); if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 32.", 0); if ( iName >= PRS_VER_INPUT && iName <= PRS_VER_INOUT ) // declaration { iType = iName; if ( Psr_ManIsChar(p, '[') ) { iRange = Psr_ManReadRange(p); if ( iRange == 0 ) return Psr_ManErrorSet(p, "Error number 33.", 0); if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 34.", 0); } iName = Psr_ManReadName( p ); if ( iName == 0 ) return Psr_ManErrorSet(p, "Error number 35.", 0); } if ( iType > 0 ) { Vec_IntPush( vSigs[iType - PRS_VER_INPUT], iName ); Vec_IntPush( vSigsR[iType - PRS_VER_INPUT], iRange ); Vec_IntPush( &p->pNtk->vOrder, Abc_Var2Lit2(iName, iType) ); } if ( Psr_ManIsChar(p, ')') ) break; if ( !Psr_ManIsChar(p, ',') ) return Psr_ManErrorSet(p, "Expecting comma in the instance.", 0); p->pCur++; if ( Psr_ManUtilSkipSpaces(p) ) return Psr_ManErrorSet(p, "Error number 36.", 0); } // check final assert( Psr_ManIsChar(p, ')') ); return 1; } // this procedure can return: // 0 = reached end-of-file; 1 = successfully parsed; 2 = recognized as primitive; 3 = failed and skipped; 4 = error (failed and could not skip) static inline int Psr_ManReadModule( Psr_Man_t * p ) { int iToken, Status; if ( p->pNtk != NULL ) return Psr_ManErrorSet(p, "Parsing previous module is unfinished.", 4); if ( Psr_ManUtilSkipSpaces(p) ) { Psr_ManErrorClear( p ); return 0; } // read keyword iToken = Psr_ManReadName( p ); if ( iToken != PRS_VER_MODULE ) return Psr_ManErrorSet(p, "Cannot read \"module\" keyword.", 4); if ( Psr_ManUtilSkipSpaces(p) ) return 4; // read module name iToken = Psr_ManReadName( p ); if ( iToken == 0 ) return Psr_ManErrorSet(p, "Cannot read module name.", 4); if ( Psr_ManIsKnownModule(p, Abc_NamStr(p->pStrs, iToken)) ) { if ( Psr_ManUtilSkipUntilWord( p, "endmodule" ) ) return Psr_ManErrorSet(p, "Cannot find \"endmodule\" keyword.", 4); //printf( "Warning! Skipped known module \"%s\".\n", Abc_NamStr(p->pStrs, iToken) ); Vec_IntPush( &p->vKnown, iToken ); return 2; } Psr_ManInitializeNtk( p, iToken, 1 ); // skip arguments if ( Psr_ManUtilSkipSpaces(p) ) return 4; if ( !Psr_ManIsChar(p, '(') ) return Psr_ManErrorSet(p, "Cannot find \"(\" in the argument declaration.", 4); if ( !Psr_ManReadArguments(p) ) return 4; assert( *p->pCur == ')' ); p->pCur++; if ( Psr_ManUtilSkipSpaces(p) ) return 4; // read declarations and instances while ( Psr_ManIsChar(p, ';') ) { p->pCur++; if ( Psr_ManUtilSkipSpaces(p) ) return 4; iToken = Psr_ManReadName( p ); if ( iToken == PRS_VER_ENDMODULE ) { Vec_IntPush( &p->vSucceeded, p->pNtk->iModuleName ); Psr_ManFinalizeNtk( p ); return 1; } if ( iToken >= PRS_VER_INPUT && iToken <= PRS_VER_WIRE ) // declaration Status = Psr_ManReadDeclaration( p, iToken ); else if ( iToken == PRS_VER_REG || iToken == PRS_VER_DEFPARAM ) // unsupported keywords Status = Psr_ManUtilSkipUntil( p, ';' ); else // read instance { if ( iToken == PRS_VER_ASSIGN ) Status = Psr_ManReadAssign( p ); else Status = Psr_ManReadInstance( p, iToken ); if ( Status == 0 ) { if ( Psr_ManUtilSkipUntilWord( p, "endmodule" ) ) return Psr_ManErrorSet(p, "Cannot find \"endmodule\" keyword.", 4); //printf( "Warning! Failed to parse \"%s\". Adding module \"%s\" as blackbox.\n", // Abc_NamStr(p->pStrs, iToken), Abc_NamStr(p->pStrs, p->pNtk->iModuleName) ); Vec_IntPush( &p->vFailed, p->pNtk->iModuleName ); // cleanup Vec_IntErase( &p->pNtk->vWires ); Vec_IntErase( &p->pNtk->vWiresR ); Vec_IntErase( &p->pNtk->vSlices ); Vec_IntErase( &p->pNtk->vConcats ); Vec_IntErase( &p->pNtk->vBoxes ); Vec_IntErase( &p->pNtk->vObjs ); p->fUsingTemp2 = 0; // add Psr_ManFinalizeNtk( p ); Psr_ManErrorClear( p ); return 3; } } if ( !Status ) return 4; if ( Psr_ManUtilSkipSpaces(p) ) return 4; } return Psr_ManErrorSet(p, "Cannot find \";\" in the module definition.", 4); } static inline int Psr_ManReadDesign( Psr_Man_t * p ) { while ( 1 ) { int RetValue = Psr_ManReadModule( p ); if ( RetValue == 0 ) // end of file break; if ( RetValue == 1 ) // successfully parsed continue; if ( RetValue == 2 ) // recognized as primitive continue; if ( RetValue == 3 ) // failed and skipped continue; if ( RetValue == 4 ) // error return 0; assert( 0 ); } return 1; } /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Psr_ManPrintModules( Psr_Man_t * p ) { char * pName; int i; printf( "Succeeded parsing %d models:\n", Vec_IntSize(&p->vSucceeded) ); Psr_ManForEachNameVec( &p->vSucceeded, p, pName, i ) printf( " %s", pName ); printf( "\n" ); printf( "Skipped %d known models:\n", Vec_IntSize(&p->vKnown) ); Psr_ManForEachNameVec( &p->vKnown, p, pName, i ) printf( " %s", pName ); printf( "\n" ); printf( "Skipped %d failed models:\n", Vec_IntSize(&p->vFailed) ); Psr_ManForEachNameVec( &p->vFailed, p, pName, i ) printf( " %s", pName ); printf( "\n" ); } /**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Vec_Ptr_t * Psr_ManReadVerilog( char * pFileName ) { Vec_Ptr_t * vPrs = NULL; Psr_Man_t * p = Psr_ManAlloc( pFileName ); if ( p == NULL ) return NULL; Psr_NtkAddVerilogDirectives( p ); Psr_ManReadDesign( p ); //Psr_ManPrintModules( p ); if ( Psr_ManErrorPrint(p) ) ABC_SWAP( Vec_Ptr_t *, vPrs, p->vNtks ); Psr_ManFree( p ); return vPrs; } void Psr_ManReadVerilogTest( char * pFileName ) { abctime clk = Abc_Clock(); extern void Psr_ManWriteVerilog( char * pFileName, Vec_Ptr_t * p ); Vec_Ptr_t * vPrs = Psr_ManReadVerilog( "c/hie/dump/1/netlist_1.v" ); // Vec_Ptr_t * vPrs = Psr_ManReadVerilog( "aga/me/me_wide.v" ); // Vec_Ptr_t * vPrs = Psr_ManReadVerilog( "aga/ray/ray_wide.v" ); if ( !vPrs ) return; printf( "Finished reading %d networks. ", Vec_PtrSize(vPrs) ); printf( "NameIDs = %d. ", Abc_NamObjNumMax(Psr_ManNameMan(vPrs)) ); printf( "Memory = %.2f MB. ", 1.0*Psr_ManMemory(vPrs)/(1<<20) ); Abc_PrintTime( 1, "Time", Abc_Clock() - clk ); Psr_ManWriteVerilog( "c/hie/dump/1/netlist_1_out_new.v", vPrs ); // Psr_ManWriteVerilog( "aga/me/me_wide_out.v", vPrs ); // Psr_ManWriteVerilog( "aga/ray/ray_wide_out.v", vPrs ); // Abc_NamPrint( p->pStrs ); Psr_ManVecFree( vPrs ); } //////////////////////////////////////////////////////////////////////// /// END OF FILE /// //////////////////////////////////////////////////////////////////////// ABC_NAMESPACE_IMPL_END