/*===-- UpgradeLexer.l - Scanner for 1.9 assembly files --------*- C++ -*--===// // // The LLVM Compiler Infrastructure // // This file was developed by Reid Spencer and is distributed under the // University of Illinois Open Source License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // This file implements the flex scanner for LLVM 1.9 assembly languages files. // //===----------------------------------------------------------------------===*/ %option prefix="Upgrade" %option yylineno %option nostdinit %option never-interactive %option batch %option noyywrap %option nodefault %option 8bit %option outfile="UpgradeLexer.cpp" %option ecs %option noreject %option noyymore %{ #include "ParserInternals.h" #include "UpgradeParser.h" #include #include #define YY_INPUT(buf,result,max_size) \ { \ if (LexInput->good() && !LexInput->eof()) { \ LexInput->read(buf,max_size); \ result = LexInput->gcount(); \ } else {\ result = YY_NULL; \ } \ } // Construct a token value for a non-obsolete token #define RET_TOK(sym) \ Upgradelval.String = new std::string(yytext); \ return sym #define RET_TY(sym,OldTY,NewTY,sign) \ Upgradelval.Type.newTy = new std::string(NewTY); \ Upgradelval.Type.oldTy = OldTY; \ return sym #define YY_NEVER_INTERACTIVE 1 %} /* Comments start with a ; and go till end of line */ Comment ;.* /* Variable(Value) identifiers start with a % sign */ VarID %[-a-zA-Z$._][-a-zA-Z$._0-9]* /* Label identifiers end with a colon */ Label [-a-zA-Z$._0-9]+: QuoteLabel \"[^\"]+\": /* Quoted names can contain any character except " and \ */ StringConstant \"[^\"]*\" /* [PN]Integer: match positive and negative literal integer values that * are preceeded by a '%' character. These represent unnamed variable slots. */ EPInteger %[0-9]+ ENInteger %-[0-9]+ /* E[PN]Integer: match positive and negative literal integer values */ PInteger [0-9]+ NInteger -[0-9]+ /* FPConstant - A Floating point constant. */ FPConstant [-+]?[0-9]+[.][0-9]*([eE][-+]?[0-9]+)? /* HexFPConstant - Floating point constant represented in IEEE format as a * hexadecimal number for when exponential notation is not precise enough. */ HexFPConstant 0x[0-9A-Fa-f]+ /* HexIntConstant - Hexadecimal constant generated by the CFE to avoid forcing * it to deal with 64 bit numbers. */ HexIntConstant [us]0x[0-9A-Fa-f]+ %% {Comment} { /* Ignore comments for now */ } begin { RET_TOK( BEGINTOK); } end { RET_TOK( ENDTOK); } true { RET_TOK( TRUETOK); } false { RET_TOK( FALSETOK); } declare { RET_TOK( DECLARE); } global { RET_TOK( GLOBAL); } constant { RET_TOK( CONSTANT); } internal { RET_TOK( INTERNAL); } linkonce { RET_TOK( LINKONCE); } weak { RET_TOK( WEAK); } appending { RET_TOK( APPENDING); } dllimport { RET_TOK( DLLIMPORT); } dllexport { RET_TOK( DLLEXPORT); } extern_weak { RET_TOK( EXTERN_WEAK); } external { RET_TOK( EXTERNAL); } implementation { RET_TOK( IMPLEMENTATION); } zeroinitializer { RET_TOK( ZEROINITIALIZER); } \.\.\. { RET_TOK( DOTDOTDOT); } undef { RET_TOK( UNDEF); } null { RET_TOK( NULL_TOK); } to { RET_TOK( TO); } tail { RET_TOK( TAIL); } target { RET_TOK( TARGET); } triple { RET_TOK( TRIPLE); } deplibs { RET_TOK( DEPLIBS); } endian { RET_TOK( ENDIAN); } pointersize { RET_TOK( POINTERSIZE); } datalayout { RET_TOK( DATALAYOUT); } little { RET_TOK( LITTLE); } big { RET_TOK( BIG); } volatile { RET_TOK( VOLATILE); } align { RET_TOK( ALIGN); } section { RET_TOK( SECTION); } module { RET_TOK( MODULE); } asm { RET_TOK( ASM_TOK); } sideeffect { RET_TOK( SIDEEFFECT); } cc { RET_TOK( CC_TOK); } ccc { RET_TOK( CCC_TOK); } csretcc { RET_TOK( CSRETCC_TOK); } fastcc { RET_TOK( FASTCC_TOK); } coldcc { RET_TOK( COLDCC_TOK); } x86_stdcallcc { RET_TOK( X86_STDCALLCC_TOK); } x86_fastcallcc { RET_TOK( X86_FASTCALLCC_TOK); } void { RET_TY(VOID,VoidTy,"void",false); } bool { RET_TY(BOOL,BoolTy,"bool",false); } sbyte { RET_TY(SBYTE,SByteTy,"sbyte",true); } ubyte { RET_TY(UBYTE,UByteTy,"ubyte",false); } short { RET_TY(SHORT,ShortTy,"short",true); } ushort { RET_TY(USHORT,UShortTy,"ushort",false); } int { RET_TY(INT,IntTy,"int",true); } uint { RET_TY(UINT,UIntTy,"uint",false); } long { RET_TY(LONG,LongTy,"long",true); } ulong { RET_TY(ULONG,ULongTy,"ulong",false); } float { RET_TY(FLOAT,FloatTy,"float",false); } double { RET_TY(DOUBLE,DoubleTy,"double",false); } label { RET_TY(LABEL,LabelTy,"label",false); } opaque { RET_TY(OPAQUE,OpaqueTy,"opaque",false); } type { RET_TOK(TYPE); } add { RET_TOK( ADD); } sub { RET_TOK( SUB); } mul { RET_TOK( MUL); } div { RET_TOK( UDIV); } udiv { RET_TOK( UDIV); } sdiv { RET_TOK( SDIV); } fdiv { RET_TOK( FDIV); } rem { RET_TOK( UREM); } urem { RET_TOK( UREM); } srem { RET_TOK( SREM); } frem { RET_TOK( FREM); } and { RET_TOK( AND); } or { RET_TOK( OR); } xor { RET_TOK( XOR); } setne { RET_TOK( SETNE); } seteq { RET_TOK( SETEQ); } setlt { RET_TOK( SETLT); } setgt { RET_TOK( SETGT); } setle { RET_TOK( SETLE); } setge { RET_TOK( SETGE); } phi { RET_TOK( PHI_TOK); } call { RET_TOK( CALL); } cast { RET_TOK( CAST); } select { RET_TOK( SELECT); } shl { RET_TOK( SHL); } lshr { RET_TOK( LSHR); } ashr { RET_TOK( ASHR); } va_arg { RET_TOK( VAARG); } ret { RET_TOK( RET); } br { RET_TOK( BR); } switch { RET_TOK( SWITCH); } invoke { RET_TOK( INVOKE); } unwind { RET_TOK( UNWIND); } except { RET_TOK( UNWIND); } unreachable { RET_TOK( UNREACHABLE); } malloc { RET_TOK( MALLOC); } alloca { RET_TOK( ALLOCA); } free { RET_TOK( FREE); } load { RET_TOK( LOAD); } store { RET_TOK( STORE); } getelementptr { RET_TOK( GETELEMENTPTR); } extractelement { RET_TOK( EXTRACTELEMENT); } insertelement { RET_TOK( INSERTELEMENT); } shufflevector { RET_TOK( SHUFFLEVECTOR); } {VarID} { RET_TOK( VAR_ID); } {Label} { RET_TOK( LABELSTR); } {QuoteLabel} { RET_TOK( LABELSTR); } {StringConstant} { RET_TOK( STRINGCONSTANT ); } {PInteger} { RET_TOK( EUINT64VAL ); } {NInteger} { RET_TOK( ESINT64VAL ); } {HexIntConstant} { RET_TOK( yytext[0] == 's' ? ESINT64VAL : EUINT64VAL ); } {EPInteger} { RET_TOK( UINTVAL); } {ENInteger} { RET_TOK( SINTVAL); } {FPConstant} { RET_TOK( FPVAL); } {HexFPConstant} { RET_TOK( FPVAL); } <> { /* Make sure to free the internal buffers for flex when we are * done reading our input! */ yy_delete_buffer(YY_CURRENT_BUFFER); return EOF; } [ \r\t\n] { /* Ignore whitespace */ } . { return yytext[0]; } %%