%option noyymore
%{
-
#include "UpgradeInternals.h"
+#include "llvm/Module.h"
+#include <list>
#include "UpgradeParser.h"
#include <cctype>
#include <cstdlib>
} \
}
+#define YY_NEVER_INTERACTIVE 1
// Construct a token value for a non-obsolete token
-#define RET_TOK(sym) \
- Upgradelval.String = new std::string(yytext); \
+#define RET_TOK(type, Enum, sym) \
+ Upgradelval.type = Enum; \
return sym
-#define RET_TY(sym,OldTY,NewTY,sign) \
- Upgradelval.Ty = getType(NewTY, OldTY); \
+#define RET_TY(sym,NewTY,sign) \
+ Upgradelval.PrimType.T = NewTY; \
+ Upgradelval.PrimType.S = sign; \
return sym
-#define YY_NEVER_INTERACTIVE 1
+namespace llvm {
+
+// TODO: All of the static identifiers are figured out by the lexer,
+// these should be hashed to reduce the lexer size
+
+// UnEscapeLexed - Run through the specified buffer and change \xx codes to the
+// appropriate character. If AllowNull is set to false, a \00 value will cause
+// an exception to be thrown.
+//
+// If AllowNull is set to true, the return value of the function points to the
+// last character of the string in memory.
+//
+char *UnEscapeLexed(char *Buffer, bool AllowNull) {
+ char *BOut = Buffer;
+ for (char *BIn = Buffer; *BIn; ) {
+ if (BIn[0] == '\\' && isxdigit(BIn[1]) && isxdigit(BIn[2])) {
+ char Tmp = BIn[3]; BIn[3] = 0; // Terminate string
+ *BOut = (char)strtol(BIn+1, 0, 16); // Convert to number
+ if (!AllowNull && !*BOut)
+ error("String literal cannot accept \\00 escape!");
+
+ BIn[3] = Tmp; // Restore character
+ BIn += 3; // Skip over handled chars
+ ++BOut;
+ } else {
+ *BOut++ = *BIn++;
+ }
+ }
+
+ return BOut;
+}
+
+// atoull - Convert an ascii string of decimal digits into the unsigned long
+// long representation... this does not have to do input error checking,
+// because we know that the input will be matched by a suitable regex...
+//
+static uint64_t atoull(const char *Buffer) {
+ uint64_t Result = 0;
+ for (; *Buffer; Buffer++) {
+ uint64_t OldRes = Result;
+ Result *= 10;
+ Result += *Buffer-'0';
+ if (Result < OldRes) // Uh, oh, overflow detected!!!
+ error("constant bigger than 64 bits detected!");
+ }
+ return Result;
+}
+
+static uint64_t HexIntToVal(const char *Buffer) {
+ uint64_t Result = 0;
+ for (; *Buffer; ++Buffer) {
+ uint64_t OldRes = Result;
+ Result *= 16;
+ char C = *Buffer;
+ if (C >= '0' && C <= '9')
+ Result += C-'0';
+ else if (C >= 'A' && C <= 'F')
+ Result += C-'A'+10;
+ else if (C >= 'a' && C <= 'f')
+ Result += C-'a'+10;
+
+ if (Result < OldRes) // Uh, oh, overflow detected!!!
+ error("constant bigger than 64 bits detected!");
+ }
+ return Result;
+}
+
+
+// HexToFP - Convert the ascii string in hexidecimal format to the floating
+// point representation of it.
+//
+static double HexToFP(const char *Buffer) {
+ // Behave nicely in the face of C TBAA rules... see:
+ // http://www.nullstone.com/htmls/category/aliastyp.htm
+ union {
+ uint64_t UI;
+ double FP;
+ } UIntToFP;
+ UIntToFP.UI = HexIntToVal(Buffer);
+
+ assert(sizeof(double) == sizeof(uint64_t) &&
+ "Data sizes incompatible on this target!");
+ return UIntToFP.FP; // Cast Hex constant to double
+}
+
+
+} // End llvm namespace
+
+using namespace llvm;
+
%}
{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); }
-uninitialized { RET_TOK( UNINITIALIZED); } // alias for 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,"i1",false); }
-sbyte { RET_TY(SBYTE,SByteTy,"i8",true); }
-ubyte { RET_TY(UBYTE,UByteTy,"i8",false); }
-short { RET_TY(SHORT,ShortTy,"i16",true); }
-ushort { RET_TY(USHORT,UShortTy,"i16",false); }
-int { RET_TY(INT,IntTy,"i32",true); }
-uint { RET_TY(UINT,UIntTy,"i32",false); }
-long { RET_TY(LONG,LongTy,"i64",true); }
-ulong { RET_TY(ULONG,ULongTy,"i64",false); }
-i8 { RET_TY(UBYTE,UByteTy,"i8",false); }
-i16 { RET_TY(USHORT,UShortTy,"i16",false); }
-i32 { RET_TY(UINT,UIntTy,"i32",false); }
-i64 { RET_TY(ULONG,ULongTy,"i64",false); }
-float { RET_TY(FLOAT,FloatTy,"float",false); }
-double { RET_TY(DOUBLE,DoubleTy,"double",false); }
-label { RET_TY(LABEL,LabelTy,"label",false); }
-opaque { RET_TOK(OPAQUE); }
-type { RET_TOK(TYPE); }
-
-add { RET_TOK( ADD); }
-sub { RET_TOK( SUB); }
-mul { RET_TOK( MUL); }
-div { RET_TOK( DIV); }
-udiv { RET_TOK( UDIV); }
-sdiv { RET_TOK( SDIV); }
-fdiv { RET_TOK( FDIV); }
-rem { RET_TOK( REM); }
-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); }
-icmp { RET_TOK(ICMP); }
-fcmp { RET_TOK(FCMP); }
-eq { RET_TOK(EQ); }
-ne { RET_TOK(NE); }
-slt { RET_TOK(SLT); }
-sgt { RET_TOK(SGT); }
-sle { RET_TOK(SLE); }
-sge { RET_TOK(SGE); }
-oeq { RET_TOK(OEQ); }
-one { RET_TOK(ONE); }
-olt { RET_TOK(OLT); }
-ogt { RET_TOK(OGT); }
-ole { RET_TOK(OLE); }
-oge { RET_TOK(OGE); }
-ord { RET_TOK(ORD); }
-uno { RET_TOK(UNO); }
-ueq { RET_TOK(UEQ); }
-une { RET_TOK(UNE); }
-ult { RET_TOK(ULT); }
-ugt { RET_TOK(UGT); }
-ule { RET_TOK(ULE); }
-uge { RET_TOK(UGE); }
-
-phi { RET_TOK( PHI_TOK); }
-call { RET_TOK( CALL); }
-cast { RET_TOK( CAST); }
-trunc { RET_TOK( TRUNC); }
-zext { RET_TOK( ZEXT); }
-sext { RET_TOK( SEXT); }
-fptrunc { RET_TOK( FPTRUNC); }
-fpext { RET_TOK( FPEXT); }
-fptoui { RET_TOK( FPTOUI); }
-fptosi { RET_TOK( FPTOSI); }
-uitofp { RET_TOK( UITOFP); }
-sitofp { RET_TOK( SITOFP); }
-ptrtoint { RET_TOK( PTRTOINT); }
-inttoptr { RET_TOK( INTTOPTR); }
-bitcast { RET_TOK( BITCAST); }
-select { RET_TOK( SELECT); }
-shl { RET_TOK( SHL); }
-shr { RET_TOK( SHR); }
-ashr { RET_TOK( ASHR); }
-lshr { RET_TOK( LSHR); }
-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( EXCEPT); } // alias for 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); }
-<<EOF>> {
+begin { return BEGINTOK; }
+end { return ENDTOK; }
+true { return TRUETOK; }
+false { return FALSETOK; }
+declare { return DECLARE; }
+global { return GLOBAL; }
+constant { return CONSTANT; }
+internal { return INTERNAL; }
+linkonce { return LINKONCE; }
+weak { return WEAK; }
+appending { return APPENDING; }
+dllimport { return DLLIMPORT; }
+dllexport { return DLLEXPORT; }
+extern_weak { return EXTERN_WEAK; }
+uninitialized { return EXTERNAL; } /* Deprecated, turn into external */
+external { return EXTERNAL; }
+implementation { return IMPLEMENTATION; }
+zeroinitializer { return ZEROINITIALIZER; }
+\.\.\. { return DOTDOTDOT; }
+undef { return UNDEF; }
+null { return NULL_TOK; }
+to { return TO; }
+except { return EXCEPT; }
+not { return NOT; } /* Deprecated, turned into XOR */
+tail { return TAIL; }
+target { return TARGET; }
+triple { return TRIPLE; }
+deplibs { return DEPLIBS; }
+endian { return ENDIAN; }
+pointersize { return POINTERSIZE; }
+datalayout { return DATALAYOUT; }
+little { return LITTLE; }
+big { return BIG; }
+volatile { return VOLATILE; }
+align { return ALIGN; }
+section { return SECTION; }
+module { return MODULE; }
+asm { return ASM_TOK; }
+sideeffect { return SIDEEFFECT; }
+
+cc { return CC_TOK; }
+ccc { return CCC_TOK; }
+csretcc { return CSRETCC_TOK; }
+fastcc { return FASTCC_TOK; }
+coldcc { return COLDCC_TOK; }
+x86_stdcallcc { return X86_STDCALLCC_TOK; }
+x86_fastcallcc { return X86_FASTCALLCC_TOK; }
+
+sbyte { RET_TY(SBYTE, Type::Int8Ty, Signed); }
+ubyte { RET_TY(UBYTE, Type::Int8Ty, Unsigned); }
+short { RET_TY(SHORT, Type::Int16Ty, Signed); }
+ushort { RET_TY(USHORT, Type::Int16Ty, Unsigned); }
+int { RET_TY(INT, Type::Int32Ty, Signed); }
+uint { RET_TY(UINT, Type::Int32Ty, Unsigned); }
+long { RET_TY(LONG, Type::Int64Ty, Signed); }
+ulong { RET_TY(ULONG, Type::Int64Ty, Unsigned); }
+void { RET_TY(VOID, Type::VoidTy, Signless ); }
+bool { RET_TY(BOOL, Type::Int1Ty, Unsigned ); }
+float { RET_TY(FLOAT, Type::FloatTy, Signless ); }
+double { RET_TY(DOUBLE, Type::DoubleTy,Signless); }
+label { RET_TY(LABEL, Type::LabelTy, Signless ); }
+type { return TYPE; }
+opaque { return OPAQUE; }
+
+add { RET_TOK(BinaryOpVal, AddOp, ADD); }
+sub { RET_TOK(BinaryOpVal, SubOp, SUB); }
+mul { RET_TOK(BinaryOpVal, MulOp, MUL); }
+div { RET_TOK(BinaryOpVal, DivOp, DIV); }
+udiv { RET_TOK(BinaryOpVal, UDivOp, UDIV); }
+sdiv { RET_TOK(BinaryOpVal, SDivOp, SDIV); }
+fdiv { RET_TOK(BinaryOpVal, FDivOp, FDIV); }
+rem { RET_TOK(BinaryOpVal, RemOp, REM); }
+urem { RET_TOK(BinaryOpVal, URemOp, UREM); }
+srem { RET_TOK(BinaryOpVal, SRemOp, SREM); }
+frem { RET_TOK(BinaryOpVal, FRemOp, FREM); }
+and { RET_TOK(BinaryOpVal, AndOp, AND); }
+or { RET_TOK(BinaryOpVal, OrOp , OR ); }
+xor { RET_TOK(BinaryOpVal, XorOp, XOR); }
+setne { RET_TOK(BinaryOpVal, SetNE, SETNE); }
+seteq { RET_TOK(BinaryOpVal, SetEQ, SETEQ); }
+setlt { RET_TOK(BinaryOpVal, SetLT, SETLT); }
+setgt { RET_TOK(BinaryOpVal, SetGT, SETGT); }
+setle { RET_TOK(BinaryOpVal, SetLE, SETLE); }
+setge { RET_TOK(BinaryOpVal, SetGE, SETGE); }
+icmp { RET_TOK(OtherOpVal, ICmpOp, ICMP); }
+fcmp { RET_TOK(OtherOpVal, FCmpOp, FCMP); }
+
+eq { return EQ; }
+ne { return NE; }
+slt { return SLT; }
+sgt { return SGT; }
+sle { return SLE; }
+sge { return SGE; }
+ult { return ULT; }
+ugt { return UGT; }
+ule { return ULE; }
+uge { return UGE; }
+oeq { return OEQ; }
+one { return ONE; }
+olt { return OLT; }
+ogt { return OGT; }
+ole { return OLE; }
+oge { return OGE; }
+ord { return ORD; }
+uno { return UNO; }
+ueq { return UEQ; }
+une { return UNE; }
+
+phi { RET_TOK(OtherOpVal, PHIOp, PHI_TOK); }
+call { RET_TOK(OtherOpVal, CallOp, CALL); }
+cast { RET_TOK(CastOpVal, CastOp, CAST); }
+trunc { RET_TOK(CastOpVal, TruncOp, TRUNC); }
+zext { RET_TOK(CastOpVal, ZExtOp , ZEXT); }
+sext { RET_TOK(CastOpVal, SExtOp, SEXT); }
+fptrunc { RET_TOK(CastOpVal, FPTruncOp, FPTRUNC); }
+fpext { RET_TOK(CastOpVal, FPExtOp, FPEXT); }
+fptoui { RET_TOK(CastOpVal, FPToUIOp, FPTOUI); }
+fptosi { RET_TOK(CastOpVal, FPToSIOp, FPTOSI); }
+uitofp { RET_TOK(CastOpVal, UIToFPOp, UITOFP); }
+sitofp { RET_TOK(CastOpVal, SIToFPOp, SITOFP); }
+ptrtoint { RET_TOK(CastOpVal, PtrToIntOp, PTRTOINT); }
+inttoptr { RET_TOK(CastOpVal, IntToPtrOp, INTTOPTR); }
+bitcast { RET_TOK(CastOpVal, BitCastOp, BITCAST); }
+select { RET_TOK(OtherOpVal, SelectOp, SELECT); }
+shl { RET_TOK(OtherOpVal, ShlOp, SHL); }
+shr { RET_TOK(OtherOpVal, ShrOp, SHR); }
+lshr { RET_TOK(OtherOpVal, LShrOp, LSHR); }
+ashr { RET_TOK(OtherOpVal, AShrOp, ASHR); }
+vanext { return VANEXT_old; }
+vaarg { return VAARG_old; }
+va_arg { RET_TOK(OtherOpVal, VAArg , VAARG); }
+ret { RET_TOK(TermOpVal, RetOp, RET); }
+br { RET_TOK(TermOpVal, BrOp, BR); }
+switch { RET_TOK(TermOpVal, SwitchOp, SWITCH); }
+invoke { RET_TOK(TermOpVal, InvokeOp, INVOKE); }
+unwind { return UNWIND; }
+unreachable { RET_TOK(TermOpVal, UnreachableOp, UNREACHABLE); }
+
+malloc { RET_TOK(MemOpVal, MallocOp, MALLOC); }
+alloca { RET_TOK(MemOpVal, AllocaOp, ALLOCA); }
+free { RET_TOK(MemOpVal, FreeOp, FREE); }
+load { RET_TOK(MemOpVal, LoadOp, LOAD); }
+store { RET_TOK(MemOpVal, StoreOp, STORE); }
+getelementptr { RET_TOK(MemOpVal, GetElementPtrOp, GETELEMENTPTR); }
+
+extractelement { RET_TOK(OtherOpVal, ExtractElementOp, EXTRACTELEMENT); }
+insertelement { RET_TOK(OtherOpVal, InsertElementOp, INSERTELEMENT); }
+shufflevector { RET_TOK(OtherOpVal, ShuffleVectorOp, SHUFFLEVECTOR); }
+
+
+{VarID} {
+ UnEscapeLexed(yytext+1);
+ Upgradelval.StrVal = strdup(yytext+1); // Skip %
+ return VAR_ID;
+ }
+{Label} {
+ yytext[strlen(yytext)-1] = 0; // nuke colon
+ UnEscapeLexed(yytext);
+ Upgradelval.StrVal = strdup(yytext);
+ return LABELSTR;
+ }
+{QuoteLabel} {
+ yytext[strlen(yytext)-2] = 0; // nuke colon, end quote
+ UnEscapeLexed(yytext+1);
+ Upgradelval.StrVal = strdup(yytext+1);
+ return LABELSTR;
+ }
+
+{StringConstant} { // Note that we cannot unescape a string constant here! The
+ // string constant might contain a \00 which would not be
+ // understood by the string stuff. It is valid to make a
+ // [sbyte] c"Hello World\00" constant, for example.
+ //
+ yytext[strlen(yytext)-1] = 0; // nuke end quote
+ Upgradelval.StrVal = strdup(yytext+1); // Nuke start quote
+ return STRINGCONSTANT;
+ }
+
+
+{PInteger} { Upgradelval.UInt64Val = atoull(yytext); return EUINT64VAL; }
+{NInteger} {
+ uint64_t Val = atoull(yytext+1);
+ // +1: we have bigger negative range
+ if (Val > (uint64_t)INT64_MAX+1)
+ error("Constant too large for signed 64 bits!");
+ Upgradelval.SInt64Val = -Val;
+ return ESINT64VAL;
+ }
+{HexIntConstant} {
+ Upgradelval.UInt64Val = HexIntToVal(yytext+3);
+ return yytext[0] == 's' ? ESINT64VAL : EUINT64VAL;
+ }
+
+{EPInteger} {
+ uint64_t Val = atoull(yytext+1);
+ if ((unsigned)Val != Val)
+ error("Invalid value number (too large)!");
+ Upgradelval.UIntVal = unsigned(Val);
+ return UINTVAL;
+ }
+{ENInteger} {
+ uint64_t Val = atoull(yytext+2);
+ // +1: we have bigger negative range
+ if (Val > (uint64_t)INT32_MAX+1)
+ error("Constant too large for signed 32 bits!");
+ Upgradelval.SIntVal = (int)-Val;
+ return SINTVAL;
+ }
+
+{FPConstant} { Upgradelval.FPVal = atof(yytext); return FPVAL; }
+{HexFPConstant} { Upgradelval.FPVal = HexToFP(yytext); return FPVAL; }
+
+<<EOF>> {
/* Make sure to free the internal buffers for flex when we are
* done reading our input!
*/