Remove MCTargetAsmLexer and its derived classes now that edis,

its only user, is gone.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170699 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 0 insertions, 155 deletions

diff --git a/include/llvm/MC/MCParser/MCAsmLexer.h b/include/llvm/MC/MCParser/MCAsmLexer.h
index 0a961d6..37a69e2 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 b1cc546..0000000
--- 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 701e6a9..b06676d 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: