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-rw-r--r--lib/AsmParser/Lexer.l512
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diff --git a/lib/AsmParser/Lexer.l b/lib/AsmParser/Lexer.l
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index 98a21cabaa..0000000000
--- a/lib/AsmParser/Lexer.l
+++ /dev/null
@@ -1,512 +0,0 @@
-/*===-- Lexer.l - Scanner for llvm assembly files --------------*- C++ -*--===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the flex scanner for LLVM assembly languages files.
-//
-//===----------------------------------------------------------------------===*/
-
-%option prefix="llvmAsm"
-%option yylineno
-%option nostdinit
-%option never-interactive
-%option batch
-%option noyywrap
-%option nodefault
-%option 8bit
-%option outfile="Lexer.cpp"
-%option ecs
-%option noreject
-%option noyymore
-
-%{
-#include "ParserInternals.h"
-#include "llvm/Module.h"
-#include "llvm/Support/MathExtras.h"
-#include <list>
-#include "llvmAsmParser.h"
-#include <cctype>
-#include <cstdlib>
-
-void set_scan_file(FILE * F){
- yy_switch_to_buffer(yy_create_buffer( F, YY_BUF_SIZE ) );
-}
-void set_scan_string (const char * str) {
- yy_scan_string (str);
-}
-
-// Construct a token value for a non-obsolete token
-#define RET_TOK(type, Enum, sym) \
- llvmAsmlval.type = Instruction::Enum; \
- return sym
-
-// Construct a token value for an obsolete token
-#define RET_TY(CTYPE, SYM) \
- llvmAsmlval.PrimType = CTYPE;\
- return SYM
-
-namespace llvm {
-
-// TODO: All of the static identifiers are figured out by the lexer,
-// these should be hashed to reduce the lexer size
-
-
-// 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!!!
- GenerateError("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!!!
- GenerateError("constant bigger than 64 bits detected!");
- }
- return Result;
-}
-
-// HexToFP - Convert the ascii string in hexadecimal format to the floating
-// point representation of it.
-//
-static double HexToFP(const char *Buffer) {
- return BitsToDouble(HexIntToVal(Buffer)); // Cast Hex constant to double
-}
-
-static void HexToIntPair(const char *Buffer, uint64_t Pair[2]) {
- Pair[0] = 0;
- for (int i=0; i<16; i++, Buffer++) {
- assert(*Buffer);
- Pair[0] *= 16;
- char C = *Buffer;
- if (C >= '0' && C <= '9')
- Pair[0] += C-'0';
- else if (C >= 'A' && C <= 'F')
- Pair[0] += C-'A'+10;
- else if (C >= 'a' && C <= 'f')
- Pair[0] += C-'a'+10;
- }
- Pair[1] = 0;
- for (int i=0; i<16 && *Buffer; i++, Buffer++) {
- Pair[1] *= 16;
- char C = *Buffer;
- if (C >= '0' && C <= '9')
- Pair[1] += C-'0';
- else if (C >= 'A' && C <= 'F')
- Pair[1] += C-'A'+10;
- else if (C >= 'a' && C <= 'f')
- Pair[1] += C-'a'+10;
- }
- if (*Buffer)
- GenerateError("constant bigger than 128 bits detected!");
-}
-
-// UnEscapeLexed - Run through the specified buffer and change \xx codes to the
-// appropriate character.
-char *UnEscapeLexed(char *Buffer, char* EndBuffer) {
- char *BOut = Buffer;
- for (char *BIn = Buffer; *BIn; ) {
- if (BIn[0] == '\\') {
- if (BIn < EndBuffer-1 && BIn[1] == '\\') {
- *BOut++ = '\\'; // Two \ becomes one
- BIn += 2;
- } else if (BIn < EndBuffer-2 && 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
- BIn[3] = Tmp; // Restore character
- BIn += 3; // Skip over handled chars
- ++BOut;
- } else {
- *BOut++ = *BIn++;
- }
- } else {
- *BOut++ = *BIn++;
- }
- }
- return BOut;
-}
-
-} // End llvm namespace
-
-using namespace llvm;
-
-#define YY_NEVER_INTERACTIVE 1
-%}
-
-
-
-/* Comments start with a ; and go till end of line */
-Comment ;.*
-
-/* Local Values and Type identifiers start with a % sign */
-LocalVarName %[-a-zA-Z$._][-a-zA-Z$._0-9]*
-
-/* Global Value identifiers start with an @ sign */
-GlobalVarName @[-a-zA-Z$._][-a-zA-Z$._0-9]*
-
-/* Label identifiers end with a colon */
-Label [-a-zA-Z$._0-9]+:
-QuoteLabel \"[^\"]+\":
-
-/* Quoted names can contain any character except " and \ */
-StringConstant \"[^\"]*\"
-AtStringConstant @\"[^\"]*\"
-PctStringConstant %\"[^\"]*\"
-
-/* LocalVarID/GlobalVarID: match an unnamed local variable slot ID. */
-LocalVarID %[0-9]+
-GlobalVarID @[0-9]+
-
-/* Integer types are specified with i and a bitwidth */
-IntegerType i[0-9]+
-
-/* E[PN]Integer: match positive and negative literal integer values. */
-PInteger [0-9]+
-NInteger -[0-9]+
-
-/* FPConstant - A Floating point constant. Float and double only.
- */
-FPConstant [-+]?[0-9]+[.][0-9]*([eE][-+]?[0-9]+)?
-
-/* HexFPConstant - Floating point constant represented in IEEE format as a
- * hexadecimal number for when exponential notation is not precise enough.
- * Float and double only.
- */
-HexFPConstant 0x[0-9A-Fa-f]+
-
-/* F80HexFPConstant - x87 long double in hexadecimal format (10 bytes)
- */
-HexFP80Constant 0xK[0-9A-Fa-f]+
-
-/* F128HexFPConstant - IEEE 128-bit in hexadecimal format (16 bytes)
- */
-HexFP128Constant 0xL[0-9A-Fa-f]+
-
-/* PPC128HexFPConstant - PowerPC 128-bit in hexadecimal format (16 bytes)
- */
-HexPPC128Constant 0xM[0-9A-Fa-f]+
-
-/* HexIntConstant - Hexadecimal constant generated by the CFE to avoid forcing
- * it to deal with 64 bit numbers.
- */
-HexIntConstant [us]0x[0-9A-Fa-f]+
-
-/* WSNL - shorthand for whitespace followed by newline */
-WSNL [ \r\t]*$
-%%
-
-{Comment} { /* Ignore comments for now */ }
-
-begin { return BEGINTOK; }
-end { return ENDTOK; }
-true { return TRUETOK; }
-false { return FALSETOK; }
-declare { return DECLARE; }
-define { return DEFINE; }
-global { return GLOBAL; }
-constant { return CONSTANT; }
-internal { return INTERNAL; }
-linkonce { return LINKONCE; }
-weak { return WEAK; }
-appending { return APPENDING; }
-dllimport { return DLLIMPORT; }
-dllexport { return DLLEXPORT; }
-hidden { return HIDDEN; }
-protected { return PROTECTED; }
-extern_weak { return EXTERN_WEAK; }
-external { return EXTERNAL; }
-thread_local { return THREAD_LOCAL; }
-zeroinitializer { return ZEROINITIALIZER; }
-\.\.\. { return DOTDOTDOT; }
-undef { return UNDEF; }
-null { return NULL_TOK; }
-to { return TO; }
-tail { return TAIL; }
-target { return TARGET; }
-triple { return TRIPLE; }
-deplibs { return DEPLIBS; }
-datalayout { return DATALAYOUT; }
-volatile { return VOLATILE; }
-align { return ALIGN; }
-section { return SECTION; }
-alias { return ALIAS; }
-module { return MODULE; }
-asm { return ASM_TOK; }
-sideeffect { return SIDEEFFECT; }
-
-cc { return CC_TOK; }
-ccc { return CCC_TOK; }
-fastcc { return FASTCC_TOK; }
-coldcc { return COLDCC_TOK; }
-x86_stdcallcc { return X86_STDCALLCC_TOK; }
-x86_fastcallcc { return X86_FASTCALLCC_TOK; }
-
-signext { return SIGNEXT; }
-zeroext { return ZEROEXT; }
-inreg { return INREG; }
-sret { return SRET; }
-nounwind { return NOUNWIND; }
-noreturn { return NORETURN; }
-noalias { return NOALIAS; }
-byval { return BYVAL; }
-nest { return NEST; }
-pure { return PURE; }
-const { return CONST; }
-sext{WSNL} { // For auto-upgrade only, drop in LLVM 3.0
- return SIGNEXT; }
-zext{WSNL} { // For auto-upgrade only, drop in LLVM 3.0
- return ZEROEXT; }
-
-void { RET_TY(Type::VoidTy, VOID); }
-float { RET_TY(Type::FloatTy, FLOAT); }
-double { RET_TY(Type::DoubleTy,DOUBLE);}
-x86_fp80 { RET_TY(Type::X86_FP80Ty, X86_FP80);}
-fp128 { RET_TY(Type::FP128Ty, FP128);}
-ppc_fp128 { RET_TY(Type::PPC_FP128Ty, PPC_FP128);}
-label { RET_TY(Type::LabelTy, LABEL); }
-type { return TYPE; }
-opaque { return OPAQUE; }
-{IntegerType} { uint64_t NumBits = atoull(yytext+1);
- if (NumBits < IntegerType::MIN_INT_BITS ||
- NumBits > IntegerType::MAX_INT_BITS)
- GenerateError("Bitwidth for integer type out of range!");
- const Type* Ty = IntegerType::get(NumBits);
- RET_TY(Ty, INTTYPE);
- }
-
-add { RET_TOK(BinaryOpVal, Add, ADD); }
-sub { RET_TOK(BinaryOpVal, Sub, SUB); }
-mul { RET_TOK(BinaryOpVal, Mul, MUL); }
-udiv { RET_TOK(BinaryOpVal, UDiv, UDIV); }
-sdiv { RET_TOK(BinaryOpVal, SDiv, SDIV); }
-fdiv { RET_TOK(BinaryOpVal, FDiv, FDIV); }
-urem { RET_TOK(BinaryOpVal, URem, UREM); }
-srem { RET_TOK(BinaryOpVal, SRem, SREM); }
-frem { RET_TOK(BinaryOpVal, FRem, FREM); }
-shl { RET_TOK(BinaryOpVal, Shl, SHL); }
-lshr { RET_TOK(BinaryOpVal, LShr, LSHR); }
-ashr { RET_TOK(BinaryOpVal, AShr, ASHR); }
-and { RET_TOK(BinaryOpVal, And, AND); }
-or { RET_TOK(BinaryOpVal, Or , OR ); }
-xor { RET_TOK(BinaryOpVal, Xor, XOR); }
-icmp { RET_TOK(OtherOpVal, ICmp, ICMP); }
-fcmp { RET_TOK(OtherOpVal, FCmp, 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, PHI, PHI_TOK); }
-call { RET_TOK(OtherOpVal, Call, CALL); }
-trunc { RET_TOK(CastOpVal, Trunc, TRUNC); }
-zext { RET_TOK(CastOpVal, ZExt, ZEXT); }
-sext { RET_TOK(CastOpVal, SExt, SEXT); }
-fptrunc { RET_TOK(CastOpVal, FPTrunc, FPTRUNC); }
-fpext { RET_TOK(CastOpVal, FPExt, FPEXT); }
-uitofp { RET_TOK(CastOpVal, UIToFP, UITOFP); }
-sitofp { RET_TOK(CastOpVal, SIToFP, SITOFP); }
-fptoui { RET_TOK(CastOpVal, FPToUI, FPTOUI); }
-fptosi { RET_TOK(CastOpVal, FPToSI, FPTOSI); }
-inttoptr { RET_TOK(CastOpVal, IntToPtr, INTTOPTR); }
-ptrtoint { RET_TOK(CastOpVal, PtrToInt, PTRTOINT); }
-bitcast { RET_TOK(CastOpVal, BitCast, BITCAST); }
-select { RET_TOK(OtherOpVal, Select, SELECT); }
-va_arg { RET_TOK(OtherOpVal, VAArg , VAARG); }
-ret { RET_TOK(TermOpVal, Ret, RET); }
-br { RET_TOK(TermOpVal, Br, BR); }
-switch { RET_TOK(TermOpVal, Switch, SWITCH); }
-invoke { RET_TOK(TermOpVal, Invoke, INVOKE); }
-unwind { RET_TOK(TermOpVal, Unwind, UNWIND); }
-unreachable { RET_TOK(TermOpVal, Unreachable, UNREACHABLE); }
-
-malloc { RET_TOK(MemOpVal, Malloc, MALLOC); }
-alloca { RET_TOK(MemOpVal, Alloca, ALLOCA); }
-free { RET_TOK(MemOpVal, Free, FREE); }
-load { RET_TOK(MemOpVal, Load, LOAD); }
-store { RET_TOK(MemOpVal, Store, STORE); }
-getelementptr { RET_TOK(MemOpVal, GetElementPtr, GETELEMENTPTR); }
-
-extractelement { RET_TOK(OtherOpVal, ExtractElement, EXTRACTELEMENT); }
-insertelement { RET_TOK(OtherOpVal, InsertElement, INSERTELEMENT); }
-shufflevector { RET_TOK(OtherOpVal, ShuffleVector, SHUFFLEVECTOR); }
-
-
-{LocalVarName} {
- llvmAsmlval.StrVal = new std::string(yytext+1); // Skip %
- return LOCALVAR;
- }
-{GlobalVarName} {
- llvmAsmlval.StrVal = new std::string(yytext+1); // Skip @
- return GLOBALVAR;
- }
-{Label} {
- yytext[yyleng-1] = 0; // nuke colon
- llvmAsmlval.StrVal = new std::string(yytext);
- return LABELSTR;
- }
-{QuoteLabel} {
- yytext[yyleng-2] = 0; // nuke colon, end quote
- const char* EndChar = UnEscapeLexed(yytext+1, yytext+yyleng);
- llvmAsmlval.StrVal =
- new std::string(yytext+1, EndChar - yytext - 1);
- return LABELSTR;
- }
-
-{StringConstant} { yytext[yyleng-1] = 0; // nuke end quote
- const char* EndChar = UnEscapeLexed(yytext+1, yytext+yyleng);
- llvmAsmlval.StrVal =
- new std::string(yytext+1, EndChar - yytext - 1);
- return STRINGCONSTANT;
- }
-{AtStringConstant} {
- yytext[yyleng-1] = 0; // nuke end quote
- const char* EndChar =
- UnEscapeLexed(yytext+2, yytext+yyleng);
- llvmAsmlval.StrVal =
- new std::string(yytext+2, EndChar - yytext - 2);
- return ATSTRINGCONSTANT;
- }
-{PctStringConstant} {
- yytext[yyleng-1] = 0; // nuke end quote
- const char* EndChar =
- UnEscapeLexed(yytext+2, yytext+yyleng);
- llvmAsmlval.StrVal =
- new std::string(yytext+2, EndChar - yytext - 2);
- return PCTSTRINGCONSTANT;
- }
-{PInteger} {
- uint32_t numBits = ((yyleng * 64) / 19) + 1;
- APInt Tmp(numBits, yytext, yyleng, 10);
- uint32_t activeBits = Tmp.getActiveBits();
- if (activeBits > 0 && activeBits < numBits)
- Tmp.trunc(activeBits);
- if (Tmp.getBitWidth() > 64) {
- llvmAsmlval.APIntVal = new APInt(Tmp);
- return EUAPINTVAL;
- } else {
- llvmAsmlval.UInt64Val = Tmp.getZExtValue();
- return EUINT64VAL;
- }
- }
-{NInteger} {
- uint32_t numBits = (((yyleng-1) * 64) / 19) + 2;
- APInt Tmp(numBits, yytext, yyleng, 10);
- uint32_t minBits = Tmp.getMinSignedBits();
- if (minBits > 0 && minBits < numBits)
- Tmp.trunc(minBits);
- if (Tmp.getBitWidth() > 64) {
- llvmAsmlval.APIntVal = new APInt(Tmp);
- return ESAPINTVAL;
- } else {
- llvmAsmlval.SInt64Val = Tmp.getSExtValue();
- return ESINT64VAL;
- }
- }
-
-{HexIntConstant} { int len = yyleng - 3;
- uint32_t bits = len * 4;
- APInt Tmp(bits, yytext+3, len, 16);
- uint32_t activeBits = Tmp.getActiveBits();
- if (activeBits > 0 && activeBits < bits)
- Tmp.trunc(activeBits);
- if (Tmp.getBitWidth() > 64) {
- llvmAsmlval.APIntVal = new APInt(Tmp);
- return yytext[0] == 's' ? ESAPINTVAL : EUAPINTVAL;
- } else if (yytext[0] == 's') {
- llvmAsmlval.SInt64Val = Tmp.getSExtValue();
- return ESINT64VAL;
- } else {
- llvmAsmlval.UInt64Val = Tmp.getZExtValue();
- return EUINT64VAL;
- }
- }
-
-{LocalVarID} {
- uint64_t Val = atoull(yytext+1);
- if ((unsigned)Val != Val)
- GenerateError("Invalid value number (too large)!");
- llvmAsmlval.UIntVal = unsigned(Val);
- return LOCALVAL_ID;
- }
-{GlobalVarID} {
- uint64_t Val = atoull(yytext+1);
- if ((unsigned)Val != Val)
- GenerateError("Invalid value number (too large)!");
- llvmAsmlval.UIntVal = unsigned(Val);
- return GLOBALVAL_ID;
- }
-
-{FPConstant} { llvmAsmlval.FPVal = new APFloat(atof(yytext)); return FPVAL; }
-{HexFPConstant} { llvmAsmlval.FPVal = new APFloat(HexToFP(yytext+2));
- return FPVAL;
- }
-{HexFP80Constant} { uint64_t Pair[2];
- HexToIntPair(yytext+3, Pair);
- llvmAsmlval.FPVal = new APFloat(APInt(80, 2, Pair));
- return FPVAL;
- }
-{HexFP128Constant} { uint64_t Pair[2];
- HexToIntPair(yytext+3, Pair);
- llvmAsmlval.FPVal = new APFloat(APInt(128, 2, Pair), true);
- return FPVAL;
- }
-{HexPPC128Constant} { uint64_t Pair[2];
- HexToIntPair(yytext+3, Pair);
- llvmAsmlval.FPVal = new APFloat(APInt(128, 2, Pair));
- return FPVAL;
- }
-
-<<EOF>> {
- /* 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]; }
-
-%%