[mips] [IAS] Fix parsing of memory offset expressions with parenthesis depth >1.

[oota-llvm.git] / include / llvm / MC / MCParser / MCAsmParser.h

diff --git a/include/llvm/MC/MCParser/MCAsmParser.h b/include/llvm/MC/MCParser/MCAsmParser.h
index 0538b9457f9ebc72d35ec9271d4cba72e8307191..ac8706d9950537e518e2988e9092654d6d5644de 100644 (file)
--- a/include/llvm/MC/MCParser/MCAsmParser.h
+++ b/include/llvm/MC/MCParser/MCAsmParser.h
@@ -197,6 +197,17 @@ public:
   /// \brief Ensure that we have a valid section set in the streamer. Otherwise,
   /// report an error and switch to .text.
   virtual void checkForValidSection() = 0;
+
+  /// \brief Parse an arbitrary expression of a specified parenthesis depth,
+  /// assuming that the initial '(' characters have already been consumed.
+  ///
+  /// \param ParenDepth - Specifies how many trailing expressions outside the
+  /// current parentheses we have to parse.
+  /// \param Res - The value of the expression. The result is undefined
+  /// on error.
+  /// \return - False on success.
+  virtual bool parseParenExprOfDepth(unsigned ParenDepth, const MCExpr *&Res,
+                                     SMLoc &EndLoc) = 0;
 };
 
 /// \brief Create an MCAsmParser instance.