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-rw-r--r--include/llvm/MC/MCParser/MCAsmLexer.h10
-rw-r--r--include/llvm/MC/MCTargetAsmLexer.h89
-rw-r--r--include/llvm/Support/TargetRegistry.h56
-rw-r--r--lib/MC/CMakeLists.txt1
-rw-r--r--lib/MC/MCTargetAsmLexer.cpp16
-rw-r--r--lib/Target/ARM/AsmParser/ARMAsmLexer.cpp134
-rw-r--r--lib/Target/ARM/AsmParser/ARMAsmParser.cpp3
-rw-r--r--lib/Target/ARM/AsmParser/CMakeLists.txt1
-rw-r--r--lib/Target/MBlaze/AsmParser/CMakeLists.txt1
-rw-r--r--lib/Target/MBlaze/AsmParser/MBlazeAsmLexer.cpp112
-rw-r--r--lib/Target/MBlaze/AsmParser/MBlazeAsmParser.cpp3
-rw-r--r--lib/Target/X86/AsmParser/CMakeLists.txt1
-rw-r--r--lib/Target/X86/AsmParser/X86AsmLexer.cpp159
-rw-r--r--lib/Target/X86/AsmParser/X86AsmParser.cpp4
-rw-r--r--tools/llvm-mc/llvm-mc.cpp3
15 files changed, 0 insertions, 593 deletions
diff --git a/include/llvm/MC/MCParser/MCAsmLexer.h b/include/llvm/MC/MCParser/MCAsmLexer.h
index 0a961d6d09..37a69e26a6 100644
--- a/include/llvm/MC/MCParser/MCAsmLexer.h
+++ b/include/llvm/MC/MCParser/MCAsmLexer.h
@@ -34,9 +34,6 @@ public:
// Real values.
Real,
- // Register values (stored in IntVal). Only used by MCTargetAsmLexer.
- Register,
-
// No-value.
EndOfStatement,
Colon,
@@ -104,13 +101,6 @@ public:
assert(Kind == Integer && "This token isn't an integer!");
return IntVal;
}
-
- /// getRegVal - Get the register number for the current token, which should
- /// be a register.
- unsigned getRegVal() const {
- assert(Kind == Register && "This token isn't a register!");
- return static_cast<unsigned>(IntVal);
- }
};
/// MCAsmLexer - Generic assembler lexer interface, for use by target specific
diff --git a/include/llvm/MC/MCTargetAsmLexer.h b/include/llvm/MC/MCTargetAsmLexer.h
deleted file mode 100644
index b1cc546e1e..0000000000
--- a/include/llvm/MC/MCTargetAsmLexer.h
+++ /dev/null
@@ -1,89 +0,0 @@
-//===-- llvm/MC/MCTargetAsmLexer.h - Target Assembly Lexer ------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_MC_MCTARGETASMLEXER_H
-#define LLVM_MC_MCTARGETASMLEXER_H
-
-#include "llvm/MC/MCParser/MCAsmLexer.h"
-
-namespace llvm {
-class Target;
-
-/// MCTargetAsmLexer - Generic interface to target specific assembly lexers.
-class MCTargetAsmLexer {
- /// The current token
- AsmToken CurTok;
-
- /// The location and description of the current error
- SMLoc ErrLoc;
- std::string Err;
-
- MCTargetAsmLexer(const MCTargetAsmLexer &) LLVM_DELETED_FUNCTION;
- void operator=(const MCTargetAsmLexer &) LLVM_DELETED_FUNCTION;
-protected: // Can only create subclasses.
- MCTargetAsmLexer(const Target &);
-
- virtual AsmToken LexToken() = 0;
-
- void SetError(const SMLoc &errLoc, const std::string &err) {
- ErrLoc = errLoc;
- Err = err;
- }
-
- /// TheTarget - The Target that this machine was created for.
- const Target &TheTarget;
- MCAsmLexer *Lexer;
-
-public:
- virtual ~MCTargetAsmLexer();
-
- const Target &getTarget() const { return TheTarget; }
-
- /// InstallLexer - Set the lexer to get tokens from lower-level lexer \p L.
- void InstallLexer(MCAsmLexer &L) {
- Lexer = &L;
- }
-
- MCAsmLexer *getLexer() {
- return Lexer;
- }
-
- /// Lex - Consume the next token from the input stream and return it.
- const AsmToken &Lex() {
- return CurTok = LexToken();
- }
-
- /// getTok - Get the current (last) lexed token.
- const AsmToken &getTok() {
- return CurTok;
- }
-
- /// getErrLoc - Get the current error location
- const SMLoc &getErrLoc() {
- return ErrLoc;
- }
-
- /// getErr - Get the current error string
- const std::string &getErr() {
- return Err;
- }
-
- /// getKind - Get the kind of current token.
- AsmToken::TokenKind getKind() const { return CurTok.getKind(); }
-
- /// is - Check if the current token has kind \p K.
- bool is(AsmToken::TokenKind K) const { return CurTok.is(K); }
-
- /// isNot - Check if the current token has kind \p K.
- bool isNot(AsmToken::TokenKind K) const { return CurTok.isNot(K); }
-};
-
-} // End llvm namespace
-
-#endif
diff --git a/include/llvm/Support/TargetRegistry.h b/include/llvm/Support/TargetRegistry.h
index 701e6a9575..b06676d4d2 100644
--- a/include/llvm/Support/TargetRegistry.h
+++ b/include/llvm/Support/TargetRegistry.h
@@ -41,7 +41,6 @@ namespace llvm {
class MCRegisterInfo;
class MCStreamer;
class MCSubtargetInfo;
- class MCTargetAsmLexer;
class MCTargetAsmParser;
class TargetMachine;
class TargetOptions;
@@ -96,9 +95,6 @@ namespace llvm {
typedef MCAsmBackend *(*MCAsmBackendCtorTy)(const Target &T,
StringRef TT,
StringRef CPU);
- typedef MCTargetAsmLexer *(*MCAsmLexerCtorTy)(const Target &T,
- const MCRegisterInfo &MRI,
- const MCAsmInfo &MAI);
typedef MCTargetAsmParser *(*MCAsmParserCtorTy)(MCSubtargetInfo &STI,
MCAsmParser &P);
typedef MCDisassembler *(*MCDisassemblerCtorTy)(const Target &T,
@@ -182,10 +178,6 @@ namespace llvm {
/// MCAsmBackend, if registered.
MCAsmBackendCtorTy MCAsmBackendCtorFn;
- /// MCAsmLexerCtorFn - Construction function for this target's
- /// MCTargetAsmLexer, if registered.
- MCAsmLexerCtorTy MCAsmLexerCtorFn;
-
/// MCAsmParserCtorFn - Construction function for this target's
/// MCTargetAsmParser, if registered.
MCAsmParserCtorTy MCAsmParserCtorFn;
@@ -242,9 +234,6 @@ namespace llvm {
/// hasMCAsmBackend - Check if this target supports .o generation.
bool hasMCAsmBackend() const { return MCAsmBackendCtorFn != 0; }
- /// hasMCAsmLexer - Check if this target supports .s lexing.
- bool hasMCAsmLexer() const { return MCAsmLexerCtorFn != 0; }
-
/// hasAsmParser - Check if this target supports .s parsing.
bool hasMCAsmParser() const { return MCAsmParserCtorFn != 0; }
@@ -360,15 +349,6 @@ namespace llvm {
return MCAsmBackendCtorFn(*this, Triple, CPU);
}
- /// createMCAsmLexer - Create a target specific assembly lexer.
- ///
- MCTargetAsmLexer *createMCAsmLexer(const MCRegisterInfo &MRI,
- const MCAsmInfo &MAI) const {
- if (!MCAsmLexerCtorFn)
- return 0;
- return MCAsmLexerCtorFn(*this, MRI, MAI);
- }
-
/// createMCAsmParser - Create a target specific assembly parser.
///
/// \param Parser The target independent parser implementation to use for
@@ -676,20 +656,6 @@ namespace llvm {
T.MCAsmBackendCtorFn = Fn;
}
- /// RegisterMCAsmLexer - Register a MCTargetAsmLexer implementation for the
- /// given target.
- ///
- /// Clients are responsible for ensuring that registration doesn't occur
- /// while another thread is attempting to access the registry. Typically
- /// this is done by initializing all targets at program startup.
- ///
- /// @param T - The target being registered.
- /// @param Fn - A function to construct an MCAsmLexer for the target.
- static void RegisterMCAsmLexer(Target &T, Target::MCAsmLexerCtorTy Fn) {
- if (!T.MCAsmLexerCtorFn)
- T.MCAsmLexerCtorFn = Fn;
- }
-
/// RegisterMCAsmParser - Register a MCTargetAsmParser implementation for
/// the given target.
///
@@ -1070,28 +1036,6 @@ namespace llvm {
}
};
- /// RegisterMCAsmLexer - Helper template for registering a target specific
- /// assembly lexer, for use in the target machine initialization
- /// function. Usage:
- ///
- /// extern "C" void LLVMInitializeFooMCAsmLexer() {
- /// extern Target TheFooTarget;
- /// RegisterMCAsmLexer<FooMCAsmLexer> X(TheFooTarget);
- /// }
- template<class MCAsmLexerImpl>
- struct RegisterMCAsmLexer {
- RegisterMCAsmLexer(Target &T) {
- TargetRegistry::RegisterMCAsmLexer(T, &Allocator);
- }
-
- private:
- static MCTargetAsmLexer *Allocator(const Target &T,
- const MCRegisterInfo &MRI,
- const MCAsmInfo &MAI) {
- return new MCAsmLexerImpl(T, MRI, MAI);
- }
- };
-
/// RegisterMCAsmParser - Helper template for registering a target specific
/// assembly parser, for use in the target machine initialization
/// function. Usage:
diff --git a/lib/MC/CMakeLists.txt b/lib/MC/CMakeLists.txt
index 99bff96bb9..db882c020b 100644
--- a/lib/MC/CMakeLists.txt
+++ b/lib/MC/CMakeLists.txt
@@ -36,7 +36,6 @@ add_llvm_library(LLVMMC
MCStreamer.cpp
MCSubtargetInfo.cpp
MCSymbol.cpp
- MCTargetAsmLexer.cpp
MCValue.cpp
MCWin64EH.cpp
MachObjectWriter.cpp
diff --git a/lib/MC/MCTargetAsmLexer.cpp b/lib/MC/MCTargetAsmLexer.cpp
deleted file mode 100644
index c01c914cec..0000000000
--- a/lib/MC/MCTargetAsmLexer.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-//===-- llvm/MC/MCTargetAsmLexer.cpp - Target Assembly Lexer --------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/MC/MCTargetAsmLexer.h"
-using namespace llvm;
-
-MCTargetAsmLexer::MCTargetAsmLexer(const Target &T)
- : TheTarget(T), Lexer(NULL) {
-}
-MCTargetAsmLexer::~MCTargetAsmLexer() {}
diff --git a/lib/Target/ARM/AsmParser/ARMAsmLexer.cpp b/lib/Target/ARM/AsmParser/ARMAsmLexer.cpp
deleted file mode 100644
index 3ada0f2af6..0000000000
--- a/lib/Target/ARM/AsmParser/ARMAsmLexer.cpp
+++ /dev/null
@@ -1,134 +0,0 @@
-//===-- ARMAsmLexer.cpp - Tokenize ARM assembly to AsmTokens --------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "MCTargetDesc/ARMBaseInfo.h"
-#include "llvm/ADT/StringSwitch.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCParser/MCAsmLexer.h"
-#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
-#include "llvm/MC/MCRegisterInfo.h"
-#include "llvm/MC/MCTargetAsmLexer.h"
-#include "llvm/Support/TargetRegistry.h"
-#include <map>
-#include <string>
-
-using namespace llvm;
-
-namespace {
-
-class ARMBaseAsmLexer : public MCTargetAsmLexer {
- const MCAsmInfo &AsmInfo;
-
- const AsmToken &lexDefinite() {
- return getLexer()->Lex();
- }
-
- AsmToken LexTokenUAL();
-protected:
- typedef std::map <std::string, unsigned> rmap_ty;
-
- rmap_ty RegisterMap;
-
- void InitRegisterMap(const MCRegisterInfo *info) {
- unsigned numRegs = info->getNumRegs();
-
- for (unsigned i = 0; i < numRegs; ++i) {
- const char *regName = info->getName(i);
- if (regName)
- RegisterMap[regName] = i;
- }
- }
-
- unsigned MatchRegisterName(StringRef Name) {
- rmap_ty::iterator iter = RegisterMap.find(Name.str());
- if (iter != RegisterMap.end())
- return iter->second;
- else
- return 0;
- }
-
- AsmToken LexToken() {
- if (!Lexer) {
- SetError(SMLoc(), "No MCAsmLexer installed");
- return AsmToken(AsmToken::Error, "", 0);
- }
-
- switch (AsmInfo.getAssemblerDialect()) {
- default:
- SetError(SMLoc(), "Unhandled dialect");
- return AsmToken(AsmToken::Error, "", 0);
- case 0:
- return LexTokenUAL();
- }
- }
-public:
- ARMBaseAsmLexer(const Target &T, const MCAsmInfo &MAI)
- : MCTargetAsmLexer(T), AsmInfo(MAI) {
- }
-};
-
-class ARMAsmLexer : public ARMBaseAsmLexer {
-public:
- ARMAsmLexer(const Target &T, const MCRegisterInfo &MRI, const MCAsmInfo &MAI)
- : ARMBaseAsmLexer(T, MAI) {
- InitRegisterMap(&MRI);
- }
-};
-
-class ThumbAsmLexer : public ARMBaseAsmLexer {
-public:
- ThumbAsmLexer(const Target &T, const MCRegisterInfo &MRI,const MCAsmInfo &MAI)
- : ARMBaseAsmLexer(T, MAI) {
- InitRegisterMap(&MRI);
- }
-};
-
-} // end anonymous namespace
-
-AsmToken ARMBaseAsmLexer::LexTokenUAL() {
- const AsmToken &lexedToken = lexDefinite();
-
- switch (lexedToken.getKind()) {
- default: break;
- case AsmToken::Error:
- SetError(Lexer->getErrLoc(), Lexer->getErr());
- break;
- case AsmToken::Identifier: {
- std::string lowerCase = lexedToken.getString().lower();
-
- unsigned regID = MatchRegisterName(lowerCase);
- // Check for register aliases.
- // r13 -> sp
- // r14 -> lr
- // r15 -> pc
- // ip -> r12
- // FIXME: Some assemblers support lots of others. Do we want them all?
- if (!regID) {
- regID = StringSwitch<unsigned>(lowerCase)
- .Case("r13", ARM::SP)
- .Case("r14", ARM::LR)
- .Case("r15", ARM::PC)
- .Case("ip", ARM::R12)
- .Default(0);
- }
-
- if (regID)
- return AsmToken(AsmToken::Register,
- lexedToken.getString(),
- static_cast<int64_t>(regID));
- }
- }
-
- return AsmToken(lexedToken);
-}
-
-extern "C" void LLVMInitializeARMAsmLexer() {
- RegisterMCAsmLexer<ARMAsmLexer> X(TheARMTarget);
- RegisterMCAsmLexer<ThumbAsmLexer> Y(TheThumbTarget);
-}
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index 6b42239747..a836731124 100644
--- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -7829,13 +7829,10 @@ bool ARMAsmParser::parseDirectiveEabiAttr(SMLoc L) {
return true;
}
-extern "C" void LLVMInitializeARMAsmLexer();
-
/// Force static initialization.
extern "C" void LLVMInitializeARMAsmParser() {
RegisterMCAsmParser<ARMAsmParser> X(TheARMTarget);
RegisterMCAsmParser<ARMAsmParser> Y(TheThumbTarget);
- LLVMInitializeARMAsmLexer();
}
#define GET_REGISTER_MATCHER
diff --git a/lib/Target/ARM/AsmParser/CMakeLists.txt b/lib/Target/ARM/AsmParser/CMakeLists.txt
index e24a1b1786..d2012c387c 100644
--- a/lib/Target/ARM/AsmParser/CMakeLists.txt
+++ b/lib/Target/ARM/AsmParser/CMakeLists.txt
@@ -1,7 +1,6 @@
include_directories( ${CMAKE_CURRENT_BINARY_DIR}/.. ${CMAKE_CURRENT_SOURCE_DIR}/.. )
add_llvm_library(LLVMARMAsmParser
- ARMAsmLexer.cpp
ARMAsmParser.cpp
)
diff --git a/lib/Target/MBlaze/AsmParser/CMakeLists.txt b/lib/Target/MBlaze/AsmParser/CMakeLists.txt
index 813767ba6d..4a7d8e8d88 100644
--- a/lib/Target/MBlaze/AsmParser/CMakeLists.txt
+++ b/lib/Target/MBlaze/AsmParser/CMakeLists.txt
@@ -2,7 +2,6 @@ include_directories( ${CMAKE_CURRENT_BINARY_DIR}/..
${CMAKE_CURRENT_SOURCE_DIR}/.. )
add_llvm_library(LLVMMBlazeAsmParser
- MBlazeAsmLexer.cpp
MBlazeAsmParser.cpp
)
diff --git a/lib/Target/MBlaze/AsmParser/MBlazeAsmLexer.cpp b/lib/Target/MBlaze/AsmParser/MBlazeAsmLexer.cpp
deleted file mode 100644
index 480e79f9f5..0000000000
--- a/lib/Target/MBlaze/AsmParser/MBlazeAsmLexer.cpp
+++ /dev/null
@@ -1,112 +0,0 @@
-//===-- MBlazeAsmLexer.cpp - Tokenize MBlaze assembly to AsmTokens --------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "MCTargetDesc/MBlazeBaseInfo.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCParser/MCAsmLexer.h"
-#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
-#include "llvm/MC/MCRegisterInfo.h"
-#include "llvm/MC/MCTargetAsmLexer.h"
-#include "llvm/Support/TargetRegistry.h"
-#include <map>
-#include <string>
-
-using namespace llvm;
-
-namespace {
-
- class MBlazeBaseAsmLexer : public MCTargetAsmLexer {
- const MCAsmInfo &AsmInfo;
-
- const AsmToken &lexDefinite() {
- return getLexer()->Lex();
- }
-
- AsmToken LexTokenUAL();
- protected:
- typedef std::map <std::string, unsigned> rmap_ty;
-
- rmap_ty RegisterMap;
-
- void InitRegisterMap(const MCRegisterInfo *info) {
- unsigned numRegs = info->getNumRegs();
-
- for (unsigned i = 0; i < numRegs; ++i) {
- const char *regName = info->getName(i);
- if (regName)
- RegisterMap[regName] = i;
- }
- }
-
- unsigned MatchRegisterName(StringRef Name) {
- rmap_ty::iterator iter = RegisterMap.find(Name.str());
- if (iter != RegisterMap.end())
- return iter->second;
- else
- return 0;
- }
-
- AsmToken LexToken() {
- if (!Lexer) {
- SetError(SMLoc(), "No MCAsmLexer installed");
- return AsmToken(AsmToken::Error, "", 0);
- }
-
- switch (AsmInfo.getAssemblerDialect()) {
- default:
- SetError(SMLoc(), "Unhandled dialect");
- return AsmToken(AsmToken::Error, "", 0);
- case 0:
- return LexTokenUAL();
- }
- }
- public:
- MBlazeBaseAsmLexer(const Target &T, const MCAsmInfo &MAI)
- : MCTargetAsmLexer(T), AsmInfo(MAI) {
- }
- };
-
- class MBlazeAsmLexer : public MBlazeBaseAsmLexer {
- public:
- MBlazeAsmLexer(const Target &T, const MCRegisterInfo &MRI,
- const MCAsmInfo &MAI)
- : MBlazeBaseAsmLexer(T, MAI) {
- InitRegisterMap(&MRI);
- }
- };
-}
-
-AsmToken MBlazeBaseAsmLexer::LexTokenUAL() {
- const AsmToken &lexedToken = lexDefinite();
-
- switch (lexedToken.getKind()) {
- default:
- return AsmToken(lexedToken);
- case AsmToken::Error:
- SetError(Lexer->getErrLoc(), Lexer->getErr());
- return AsmToken(lexedToken);
- case AsmToken::Identifier:
- {
- unsigned regID = MatchRegisterName(lexedToken.getString().lower());
-
- if (regID) {
- return AsmToken(AsmToken::Register,
- lexedToken.getString(),
- static_cast<int64_t>(regID));
- } else {
- return AsmToken(lexedToken);
- }
- }
- }
-}
-
-extern "C" void LLVMInitializeMBlazeAsmLexer() {
- RegisterMCAsmLexer<MBlazeAsmLexer> X(TheMBlazeTarget);
-}
-
diff --git a/lib/Target/MBlaze/AsmParser/MBlazeAsmParser.cpp b/lib/Target/MBlaze/AsmParser/MBlazeAsmParser.cpp
index 2016600b9d..69bbc57bea 100644
--- a/lib/Target/MBlaze/AsmParser/MBlazeAsmParser.cpp
+++ b/lib/Target/MBlaze/AsmParser/MBlazeAsmParser.cpp
@@ -548,12 +548,9 @@ bool MBlazeAsmParser::ParseDirectiveWord(unsigned Size, SMLoc L) {
return false;
}
-extern "C" void LLVMInitializeMBlazeAsmLexer();
-
/// Force static initialization.
extern "C" void LLVMInitializeMBlazeAsmParser() {
RegisterMCAsmParser<MBlazeAsmParser> X(TheMBlazeTarget);
- LLVMInitializeMBlazeAsmLexer();
}
#define GET_REGISTER_MATCHER
diff --git a/lib/Target/X86/AsmParser/CMakeLists.txt b/lib/Target/X86/AsmParser/CMakeLists.txt
index 47489bb06c..54204d4b63 100644
--- a/lib/Target/X86/AsmParser/CMakeLists.txt
+++ b/lib/Target/X86/AsmParser/CMakeLists.txt
@@ -1,7 +1,6 @@
include_directories( ${CMAKE_CURRENT_BINARY_DIR}/.. ${CMAKE_CURRENT_SOURCE_DIR}/.. )
add_llvm_library(LLVMX86AsmParser
- X86AsmLexer.cpp
X86AsmParser.cpp
)
diff --git a/lib/Target/X86/AsmParser/X86AsmLexer.cpp b/lib/Target/X86/AsmParser/X86AsmLexer.cpp
deleted file mode 100644
index b12399d447..0000000000
--- a/lib/Target/X86/AsmParser/X86AsmLexer.cpp
+++ /dev/null
@@ -1,159 +0,0 @@
-//===-- X86AsmLexer.cpp - Tokenize X86 assembly to AsmTokens --------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "MCTargetDesc/X86BaseInfo.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCParser/MCAsmLexer.h"
-#include "llvm/MC/MCParser/MCParsedAsmOperand.h"
-#include "llvm/MC/MCTargetAsmLexer.h"
-#include "llvm/Support/TargetRegistry.h"
-
-using namespace llvm;
-
-namespace {
-
-class X86AsmLexer : public MCTargetAsmLexer {
- const MCAsmInfo &AsmInfo;
-
- bool tentativeIsValid;
- AsmToken tentativeToken;
-
- const AsmToken &lexTentative() {
- tentativeToken = getLexer()->Lex();
- tentativeIsValid = true;
- return tentativeToken;
- }
-
- const AsmToken &lexDefinite() {
- if (tentativeIsValid) {
- tentativeIsValid = false;
- return tentativeToken;
- }
- return getLexer()->Lex();
- }
-
- AsmToken LexTokenATT();
- AsmToken LexTokenIntel();
-protected:
- AsmToken LexToken() {
- if (!Lexer) {
- SetError(SMLoc(), "No MCAsmLexer installed");
- return AsmToken(AsmToken::Error, "", 0);
- }
-
- switch (AsmInfo.getAssemblerDialect()) {
- default:
- SetError(SMLoc(), "Unhandled dialect");
- return AsmToken(AsmToken::Error, "", 0);
- case 0:
- return LexTokenATT();
- case 1:
- return LexTokenIntel();
- }
- }
-public:
- X86AsmLexer(const Target &T, const MCRegisterInfo &MRI, const MCAsmInfo &MAI)
- : MCTargetAsmLexer(T), AsmInfo(MAI), tentativeIsValid(false) {
- }
-};
-
-} // end anonymous namespace
-
-#define GET_REGISTER_MATCHER
-#include "X86GenAsmMatcher.inc"
-
-AsmToken X86AsmLexer::LexTokenATT() {
- AsmToken lexedToken = lexDefinite();
-
- switch (lexedToken.getKind()) {
- default:
- return lexedToken;
- case AsmToken::Error:
- SetError(Lexer->getErrLoc(), Lexer->getErr());
- return lexedToken;
-
- case AsmToken::Percent: {
- const AsmToken &nextToken = lexTentative();
- if (nextToken.getKind() != AsmToken::Identifier)
- return lexedToken;
-
- if (unsigned regID = MatchRegisterName(nextToken.getString())) {
- lexDefinite();
-
- // FIXME: This is completely wrong when there is a space or other
- // punctuation between the % and the register name.
- StringRef regStr(lexedToken.getString().data(),
- lexedToken.getString().size() +
- nextToken.getString().size());
-
- return AsmToken(AsmToken::Register, regStr,
- static_cast<int64_t>(regID));
- }
-
- // Match register name failed. If this is "db[0-7]", match it as an alias
- // for dr[0-7].
- if (nextToken.getString().size() == 3 &&
- nextToken.getString().startswith("db")) {
- int RegNo = -1;
- switch (nextToken.getString()[2]) {
- case '0': RegNo = X86::DR0; break;
- case '1': RegNo = X86::DR1; break;
- case '2': RegNo = X86::DR2; break;
- case '3': RegNo = X86::DR3; break;
- case '4': RegNo = X86::DR4; break;
- case '5': RegNo = X86::DR5; break;
- case '6': RegNo = X86::DR6; break;
- case '7': RegNo = X86::DR7; break;
- }
-
- if (RegNo != -1) {
- lexDefinite();
-
- // FIXME: This is completely wrong when there is a space or other
- // punctuation between the % and the register name.
- StringRef regStr(lexedToken.getString().data(),
- lexedToken.getString().size() +
- nextToken.getString().size());
- return AsmToken(AsmToken::Register, regStr,
- static_cast<int64_t>(RegNo));
- }
- }
-
-
- return lexedToken;
- }
- }
-}
-
-AsmToken X86AsmLexer::LexTokenIntel() {
- const AsmToken &lexedToken = lexDefinite();
-
- switch(lexedToken.getKind()) {
- default:
- return lexedToken;
- case AsmToken::Error:
- SetError(Lexer->getErrLoc(), Lexer->getErr());
- return lexedToken;
- case AsmToken::Identifier: {
- unsigned regID = MatchRegisterName(lexedToken.getString().lower());
-
- if (regID)
- return AsmToken(AsmToken::Register,
- lexedToken.getString(),
- static_cast<int64_t>(regID));
- return lexedToken;
- }
- }
-}
-
-extern "C" void LLVMInitializeX86AsmLexer() {
- RegisterMCAsmLexer<X86AsmLexer> X(TheX86_32Target);
- RegisterMCAsmLexer<X86AsmLexer> Y(TheX86_64Target);
-}
diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp
index fdb7583ed0..cbdaeffc44 100644
--- a/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -2059,14 +2059,10 @@ bool X86AsmParser::ParseDirectiveCode(StringRef IDVal, SMLoc L) {
return false;
}
-
-extern "C" void LLVMInitializeX86AsmLexer();
-
// Force static initialization.
extern "C" void LLVMInitializeX86AsmParser() {
RegisterMCAsmParser<X86AsmParser> X(TheX86_32Target);
RegisterMCAsmParser<X86AsmParser> Y(TheX86_64Target);
- LLVMInitializeX86AsmLexer();
}
#define GET_REGISTER_MATCHER
diff --git a/tools/llvm-mc/llvm-mc.cpp b/tools/llvm-mc/llvm-mc.cpp
index 7b5898be52..e77f27e6dd 100644
--- a/tools/llvm-mc/llvm-mc.cpp
+++ b/tools/llvm-mc/llvm-mc.cpp
@@ -263,9 +263,6 @@ static int AsLexInput(SourceMgr &SrcMgr, MCAsmInfo &MAI, tool_output_file *Out)
case AsmToken::Real:
Out->os() << "real: " << Lexer.getTok().getString();
break;
- case AsmToken::Register:
- Out->os() << "register: " << Lexer.getTok().getRegVal();
- break;
case AsmToken::String:
Out->os() << "string: " << Lexer.getTok().getString();
break;
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-03 14:03:55 +0000