| /**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 |
| |
