[ms-inline-asm] Implement _emit directive (which is roughly equivalent to .byte).

[oota-llvm.git] / include / llvm / MC / MCTargetAsmParser.h

diff --git a/include/llvm/MC/MCTargetAsmParser.h b/include/llvm/MC/MCTargetAsmParser.h
index fcb5edcef6a8ad2bffe1fe4544076f5a59a4f459..05537f9211f64dff7af790f370141bc5999982b6 100644 (file)
--- a/include/llvm/MC/MCTargetAsmParser.h
+++ b/include/llvm/MC/MCTargetAsmParser.h
@@ -18,34 +18,49 @@ class StringRef;
 class SMLoc;
 class AsmToken;
 class MCParsedAsmOperand;
+class MCInst;
 template <typename T> class SmallVectorImpl;
 
 /// MCTargetAsmParser - Generic interface to target specific assembly parsers.
 class MCTargetAsmParser : public MCAsmParserExtension {
 public:
   enum MatchResultTy {
-    Match_ConversionFail,
     Match_InvalidOperand,
     Match_MissingFeature,
     Match_MnemonicFail,
-    Match_Success
+    Match_Success,
+    FIRST_TARGET_MATCH_RESULT_TY
   };
 
 private:
-  MCTargetAsmParser(const MCTargetAsmParser &);   // DO NOT IMPLEMENT
-  void operator=(const MCTargetAsmParser &);  // DO NOT IMPLEMENT
+  MCTargetAsmParser(const MCTargetAsmParser &) LLVM_DELETED_FUNCTION;
+  void operator=(const MCTargetAsmParser &) LLVM_DELETED_FUNCTION;
 protected: // Can only create subclasses.
   MCTargetAsmParser();
 
   /// AvailableFeatures - The current set of available features.
   unsigned AvailableFeatures;
 
+  /// ParsingInlineAsm - Are we parsing ms-style inline assembly?
+  bool ParsingInlineAsm;
+
+  /// SemaCallback - The Sema callback implementation.  Must be set when parsing
+  /// ms-style inline assembly.
+  MCAsmParserSemaCallback *SemaCallback;
+
 public:
   virtual ~MCTargetAsmParser();
 
   unsigned getAvailableFeatures() const { return AvailableFeatures; }
   void setAvailableFeatures(unsigned Value) { AvailableFeatures = Value; }
 
+  bool isParsingInlineAsm () { return ParsingInlineAsm; }
+  void setParsingInlineAsm (bool Value) { ParsingInlineAsm = Value; }
+
+  void setSemaCallback(MCAsmParserSemaCallback *Callback) {
+    SemaCallback = Callback;
+  }
+
   virtual bool ParseRegister(unsigned &RegNo, SMLoc &StartLoc,
                              SMLoc &EndLoc) = 0;
 
@@ -77,6 +92,10 @@ public:
   /// \param DirectiveID - the identifier token of the directive.
   virtual bool ParseDirective(AsmToken DirectiveID) = 0;
 
+  /// mnemonicIsValid - This returns true if this is a valid mnemonic and false
+  /// otherwise.
+  virtual bool mnemonicIsValid(StringRef Mnemonic) = 0;
+
   /// 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.
@@ -84,10 +103,19 @@ public:
   /// On failure, the target parser is responsible for emitting a diagnostic
   /// explaining the match failure.
   virtual bool
-  MatchAndEmitInstruction(SMLoc IDLoc,
+  MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
                           SmallVectorImpl<MCParsedAsmOperand*> &Operands,
-                          MCStreamer &Out) = 0;
+                          MCStreamer &Out, unsigned &ErrorInfo,
+                          bool MatchingInlineAsm) = 0;
+
+  /// checkTargetMatchPredicate - Validate the instruction match against
+  /// any complex target predicates not expressible via match classes.
+  virtual unsigned checkTargetMatchPredicate(MCInst &Inst) {
+    return Match_Success;
+  }
 
+  virtual void convertToMapAndConstraints(unsigned Kind,
+                      const SmallVectorImpl<MCParsedAsmOperand*> &Operands) = 0;
 };
 
 } // End llvm namespace