[MC] Expose ParseEscapedString to target AsmParser implementations.

llvm-svn: 172777

llvm/include/llvm/MC/MCParser/MCAsmParser.h

@@ -135,6 +135,10 @@ public:
   /// will be either the EndOfStatement or EOF.
   virtual StringRef ParseStringToEndOfStatement() = 0;
 
+  /// ParseEscapedString - Parse the current token as a string which may include
+  /// escaped characters and return the string contents.
+  virtual bool ParseEscapedString(std::string &Data) = 0;
+
   /// EatToEndOfStatement - Skip to the end of the current statement, for error
   /// recovery.
   virtual void EatToEndOfStatement() = 0;

llvm/lib/MC/MCParser/AsmParser.cpp

@@ -427,10 +427,7 @@ private:
   bool ParseDirectiveElseIf(SMLoc DirectiveLoc); // ".elseif"
   bool ParseDirectiveElse(SMLoc DirectiveLoc); // ".else"
   bool ParseDirectiveEndIf(SMLoc DirectiveLoc); // .endif
-
-  /// ParseEscapedString - Parse the current token as a string which may include
-  /// escaped characters and return the string contents.
-  bool ParseEscapedString(std::string &Data);
+  virtual bool ParseEscapedString(std::string &Data);
 
   const MCExpr *ApplyModifierToExpr(const MCExpr *E,
                                     MCSymbolRefExpr::VariantKind Variant);