Add stub methods to MCStreamer for emitting Win64 exception-handling

[oota-llvm.git] / include / llvm / Target / TargetAsmParser.h

diff --git a/include/llvm/Target/TargetAsmParser.h b/include/llvm/Target/TargetAsmParser.h
index 85315c155d8a99f4111210bde14f21c0b520e4b4..9ff50cb275be03d31e4f0f7212777a4431611654 100644 (file)
--- a/include/llvm/Target/TargetAsmParser.h
+++ b/include/llvm/Target/TargetAsmParser.h
@@ -10,8 +10,10 @@
 #ifndef LLVM_TARGET_TARGETPARSER_H
 #define LLVM_TARGET_TARGETPARSER_H
 
+#include "llvm/MC/MCParser/MCAsmParserExtension.h"
+
 namespace llvm {
-class MCInst;
+class MCStreamer;
 class StringRef;
 class Target;
 class SMLoc;
@@ -20,20 +22,28 @@ class MCParsedAsmOperand;
 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.
   TargetAsmParser(const Target &);
  
-  /// TheTarget - The Target that this machine was created for.
+  /// The Target that this machine was created for.
   const Target &TheTarget;
 
+  /// The current set of available features.
+  unsigned AvailableFeatures;
+
 public:
   virtual ~TargetAsmParser();
 
   const Target &getTarget() const { return TheTarget; }
 
+  unsigned getAvailableFeatures() const { return AvailableFeatures; }
+  void setAvailableFeatures(unsigned Value) { AvailableFeatures = Value; }
+
+  virtual bool ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc) = 0;
+
   /// ParseInstruction - Parse one assembly instruction.
   ///
   /// The parser is positioned following the instruction name. The target
@@ -47,7 +57,7 @@ public:
   /// \param Operands [out] - The list of parsed operands, this returns
   ///        ownership of them to the caller.
   /// \return True on failure.
-  virtual bool ParseInstruction(const StringRef &Name, SMLoc NameLoc,
+  virtual bool ParseInstruction(StringRef Name, SMLoc NameLoc,
                             SmallVectorImpl<MCParsedAsmOperand*> &Operands) = 0;
 
   /// ParseDirective - Parse a target specific assembler directive
@@ -62,12 +72,16 @@ public:
   /// \param DirectiveID - the identifier token of the directive.
   virtual bool ParseDirective(AsmToken DirectiveID) = 0;
   
-  /// MatchInstruction - Recognize a series of operands of a parsed instruction
-  /// as an actual MCInst.  This returns false and fills in Inst on success and
-  /// returns true on failure to match.
+  /// MatchAndEmitInstruction - Recognize a series of operands of a parsed
+  /// instruction as an actual MCInst and emit it to the specified MCStreamer.
+  /// This returns false on success and returns true on failure to match.
+  ///
+  /// On failure, the target parser is responsible for emitting a diagnostic
+  /// explaining the match failure.
   virtual bool 
-  MatchInstruction(const SmallVectorImpl<MCParsedAsmOperand*> &Operands,
-                   MCInst &Inst) = 0;
+  MatchAndEmitInstruction(SMLoc IDLoc,
+                          SmallVectorImpl<MCParsedAsmOperand*> &Operands,
+                          MCStreamer &Out) = 0;
   
 };