MCAsmParser: Add dump() hook to MCParsedAsmOperand.

llvm-svn: 110790

include/llvm/MC/MCParser/MCParsedAsmOperand.h

@@ -12,6 +12,7 @@
 
 namespace llvm {
 class SMLoc;
+class raw_ostream;
 
 /// MCParsedAsmOperand - This abstract class represents a source-level assembly
 /// instruction operand.  It should be subclassed by target-specific code.  This
@@ -23,9 +24,12 @@ public:
   virtual ~MCParsedAsmOperand() {}
   
   /// getStartLoc - Get the location of the first token of this operand.
-  virtual SMLoc getStartLoc() const;
+  virtual SMLoc getStartLoc() const = 0;
   /// getEndLoc - Get the location of the last token of this operand.
-  virtual SMLoc getEndLoc() const;
+  virtual SMLoc getEndLoc() const = 0;
+
+  /// dump - Print a debug representation of the operand to the given stream.
+  virtual void dump(raw_ostream &OS) const = 0;
 };
 
 } // end namespace llvm.

lib/MC/MCParser/MCAsmParser.cpp

@@ -41,8 +41,4 @@ bool MCAsmParser::ParseExpression(const MCExpr *&Res) {
   return ParseExpression(Res, L);
 }
 
-/// getStartLoc - Get the location of the first token of this operand.
-SMLoc MCParsedAsmOperand::getStartLoc() const { return SMLoc(); }
-SMLoc MCParsedAsmOperand::getEndLoc() const { return SMLoc(); }
-
 

lib/Target/ARM/AsmParser/ARMAsmParser.cpp

@@ -234,6 +234,8 @@ public:
     addExpr(Inst, getImm());
   }
 
+  virtual void dump(raw_ostream &OS) const {}
+
   static void CreateToken(OwningPtr<ARMOperand> &Op, StringRef Str,
                           SMLoc S) {
     Op.reset(new ARMOperand);

lib/Target/X86/AsmParser/X86AsmParser.cpp

@@ -148,6 +148,8 @@ struct X86Operand : public MCParsedAsmOperand {
   /// getEndLoc - Get the location of the last token of this operand.
   SMLoc getEndLoc() const { return EndLoc; }
 
+  virtual void dump(raw_ostream &OS) const {}
+
   StringRef getToken() const {
     assert(Kind == Token && "Invalid access!");
     return StringRef(Tok.Data, Tok.Length);