[llvm-commits] [llvm] r108158 - in /llvm/trunk: include/llvm/MC/MCParser/AsmParser.h include/llvm/MC/MCParser/MCAsmParserExtension.h include/llvm/Target/TargetAsmParser.h lib/MC/MCParser/AsmParser.cpp lib/MC/MCParser/CMakeLists.txt lib/MC/MCParser/MCAsmParserExtension.cpp

Daniel Dunbar daniel at zuster.org
Mon Jul 12 10:27:45 PDT 2010


Author: ddunbar
Date: Mon Jul 12 12:27:45 2010
New Revision: 108158

URL: http://llvm.org/viewvc/llvm-project?rev=108158&view=rev
Log:
MC: Add MCAsmParserExtension, a base class for all the target/object specific
classes which want to extend the basic asm parser.

Added:
    llvm/trunk/include/llvm/MC/MCParser/MCAsmParserExtension.h
    llvm/trunk/lib/MC/MCParser/MCAsmParserExtension.cpp
Modified:
    llvm/trunk/include/llvm/MC/MCParser/AsmParser.h
    llvm/trunk/include/llvm/Target/TargetAsmParser.h
    llvm/trunk/lib/MC/MCParser/AsmParser.cpp
    llvm/trunk/lib/MC/MCParser/CMakeLists.txt

Modified: llvm/trunk/include/llvm/MC/MCParser/AsmParser.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/MC/MCParser/AsmParser.h?rev=108158&r1=108157&r2=108158&view=diff
==============================================================================
--- llvm/trunk/include/llvm/MC/MCParser/AsmParser.h (original)
+++ llvm/trunk/include/llvm/MC/MCParser/AsmParser.h Mon Jul 12 12:27:45 2010
@@ -63,7 +63,6 @@
   ~AsmParser();
 
   bool Run(bool NoInitialTextSection, bool NoFinalize = false);
-
   
   void AddDirectiveHandler(StringRef Directive,
                            bool (AsmParser::*Handler)(StringRef, SMLoc)) {
@@ -71,7 +70,7 @@
   }
 public:
   TargetAsmParser &getTargetParser() const { return *TargetParser; }
-  void setTargetParser(TargetAsmParser &P) { TargetParser = &P; }
+  void setTargetParser(TargetAsmParser &P);
 
   /// @name MCAsmParser Interface
   /// {

Added: llvm/trunk/include/llvm/MC/MCParser/MCAsmParserExtension.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/MC/MCParser/MCAsmParserExtension.h?rev=108158&view=auto
==============================================================================
--- llvm/trunk/include/llvm/MC/MCParser/MCAsmParserExtension.h (added)
+++ llvm/trunk/include/llvm/MC/MCParser/MCAsmParserExtension.h Mon Jul 12 12:27:45 2010
@@ -0,0 +1,65 @@
+//===-- llvm/MC/MCAsmParserExtension.h - Asm Parser Hooks -------*- 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_MCASMPARSEREXTENSION_H
+#define LLVM_MC_MCASMPARSEREXTENSION_H
+
+#include "llvm/MC/MCParser/MCAsmParser.h"
+#include "llvm/Support/SMLoc.h"
+
+namespace llvm {
+
+/// \brief Generic interface for extending the MCAsmParser,
+/// which is implemented by target and object file assembly parser
+/// implementations.
+class MCAsmParserExtension {
+  MCAsmParserExtension(const MCAsmParserExtension &);   // DO NOT IMPLEMENT
+  void operator=(const MCAsmParserExtension &);  // DO NOT IMPLEMENT
+
+  MCAsmParser *Parser;
+
+protected:
+  MCAsmParserExtension();
+
+public:
+  virtual ~MCAsmParserExtension();
+
+  /// \brief Initialize the extension for parsing using the given \arg
+  /// Parser. The extension should use the AsmParser interfaces to register its
+  /// parsing routines.
+  virtual void Initialize(MCAsmParser &Parser);
+
+  /// @name MCAsmParser Proxy Interfaces
+  /// @{
+
+  MCContext &getContext() { return getParser().getContext(); }
+  MCAsmLexer &getLexer() { return getParser().getLexer(); }
+  MCAsmParser &getParser() { return *Parser; }
+  MCStreamer &getStreamer() { return getParser().getStreamer(); }
+  void Warning(SMLoc L, const Twine &Msg) {
+    return getParser().Warning(L, Msg);
+  }
+  bool Error(SMLoc L, const Twine &Msg) {
+    return getParser().Error(L, Msg);
+  }
+
+  const AsmToken &Lex() { return getParser().Lex(); }
+
+  const AsmToken &getTok() { return getParser().getTok(); }
+
+  bool TokError(const char *Msg) {
+    return getParser().TokError(Msg);
+  }
+
+  /// @}
+};
+
+} // End llvm namespace
+
+#endif

Modified: llvm/trunk/include/llvm/Target/TargetAsmParser.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Target/TargetAsmParser.h?rev=108158&r1=108157&r2=108158&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Target/TargetAsmParser.h (original)
+++ llvm/trunk/include/llvm/Target/TargetAsmParser.h Mon Jul 12 12:27:45 2010
@@ -10,6 +10,8 @@
 #ifndef LLVM_TARGET_TARGETPARSER_H
 #define LLVM_TARGET_TARGETPARSER_H
 
+#include "llvm/MC/MCParser/MCAsmParserExtension.h"
+
 namespace llvm {
 class MCInst;
 class StringRef;
@@ -20,7 +22,7 @@
 template <typename T> class SmallVectorImpl;
 
 /// TargetAsmParser - Generic interface to target specific assembly parsers.
-class TargetAsmParser {
+class TargetAsmParser : public MCAsmParserExtension {
   TargetAsmParser(const TargetAsmParser &);   // DO NOT IMPLEMENT
   void operator=(const TargetAsmParser &);  // DO NOT IMPLEMENT
 protected: // Can only create subclasses.

Modified: llvm/trunk/lib/MC/MCParser/AsmParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCParser/AsmParser.cpp?rev=108158&r1=108157&r2=108158&view=diff
==============================================================================
--- llvm/trunk/lib/MC/MCParser/AsmParser.cpp (original)
+++ llvm/trunk/lib/MC/MCParser/AsmParser.cpp Mon Jul 12 12:27:45 2010
@@ -47,6 +47,12 @@
 AsmParser::~AsmParser() {
 }
 
+void AsmParser::setTargetParser(TargetAsmParser &P) {
+  assert(!TargetParser && "Target parser is already initialized!");
+  TargetParser = &P;
+  TargetParser->Initialize(*this);
+}
+
 void AsmParser::Warning(SMLoc L, const Twine &Msg) {
   PrintMessage(L, Msg.str(), "warning");
 }

Modified: llvm/trunk/lib/MC/MCParser/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCParser/CMakeLists.txt?rev=108158&r1=108157&r2=108158&view=diff
==============================================================================
--- llvm/trunk/lib/MC/MCParser/CMakeLists.txt (original)
+++ llvm/trunk/lib/MC/MCParser/CMakeLists.txt Mon Jul 12 12:27:45 2010
@@ -3,5 +3,6 @@
   AsmParser.cpp
   MCAsmLexer.cpp
   MCAsmParser.cpp
+  MCAsmParserExtension.cpp
   TargetAsmParser.cpp
   )

Added: llvm/trunk/lib/MC/MCParser/MCAsmParserExtension.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCParser/MCAsmParserExtension.cpp?rev=108158&view=auto
==============================================================================
--- llvm/trunk/lib/MC/MCParser/MCAsmParserExtension.cpp (added)
+++ llvm/trunk/lib/MC/MCParser/MCAsmParserExtension.cpp Mon Jul 12 12:27:45 2010
@@ -0,0 +1,21 @@
+//===-- MCAsmParserExtension.cpp - Asm Parser Hooks -----------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/MC/MCParser/MCAsmParserExtension.h"
+using namespace llvm;
+
+MCAsmParserExtension::MCAsmParserExtension() {
+}
+
+MCAsmParserExtension::~MCAsmParserExtension() {
+}
+
+void MCAsmParserExtension::Initialize(MCAsmParser &Parser) {
+  this->Parser = &Parser;
+}





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