llvm-mc: Add MCAsmParser::getContext.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80571 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/MC/MCAsmParser.h b/include/llvm/MC/MCAsmParser.h
index a6acf4e94df6a43fcfe726cf9d4faabfd3d837bc..e0a48f1e9c0f287fd1382a5626b1acb422acb1b8 100644 (file)
--- a/include/llvm/MC/MCAsmParser.h
+++ b/include/llvm/MC/MCAsmParser.h
@@ -14,6 +14,7 @@
 
 namespace llvm {
 class MCAsmLexer;
+class MCContext;
 class MCValue;
 class SMLoc;
 class Twine;
@@ -31,6 +32,8 @@ public:
 
   virtual MCAsmLexer &getLexer() = 0;
 
+  virtual MCContext &getContext() = 0;
+
   /// Warning - Emit a warning at the location \arg L, with the message \arg
   /// Msg.
   virtual void Warning(SMLoc L, const Twine &Msg) = 0;

diff --git a/tools/llvm-mc/AsmParser.cpp b/tools/llvm-mc/AsmParser.cpp
index 6f002e1cb38f73e6921878e381f19333aebb29aa..5d73a9fa5401c042d3adb6cea140c160cbaf92d4 100644 (file)
--- a/tools/llvm-mc/AsmParser.cpp
+++ b/tools/llvm-mc/AsmParser.cpp
@@ -205,7 +205,7 @@ bool AsmParser::ParsePrimaryExpr(const MCExpr *&Res) {
     Lexer.Lex(); // Eat the operator.
     if (ParsePrimaryExpr(Res))
       return true;
-    Res = MCUnaryExpr::CreateLNot(Res, Ctx);
+    Res = MCUnaryExpr::CreateLNot(Res, getContext());
     return false;
   case AsmToken::String:
   case AsmToken::Identifier: {
@@ -213,12 +213,12 @@ bool AsmParser::ParsePrimaryExpr(const MCExpr *&Res) {
     // handle things like LFOO+4.
     MCSymbol *Sym = CreateSymbol(Lexer.getTok().getIdentifier());
     
-    Res = MCSymbolRefExpr::Create(Sym, Ctx);
+    Res = MCSymbolRefExpr::Create(Sym, getContext());
     Lexer.Lex(); // Eat identifier.
     return false;
   }
   case AsmToken::Integer:
-    Res = MCConstantExpr::Create(Lexer.getTok().getIntVal(), Ctx);
+    Res = MCConstantExpr::Create(Lexer.getTok().getIntVal(), getContext());
     Lexer.Lex(); // Eat token.
     return false;
   case AsmToken::LParen:
@@ -228,19 +228,19 @@ bool AsmParser::ParsePrimaryExpr(const MCExpr *&Res) {
     Lexer.Lex(); // Eat the operator.
     if (ParsePrimaryExpr(Res))
       return true;
-    Res = MCUnaryExpr::CreateMinus(Res, Ctx);
+    Res = MCUnaryExpr::CreateMinus(Res, getContext());
     return false;
   case AsmToken::Plus:
     Lexer.Lex(); // Eat the operator.
     if (ParsePrimaryExpr(Res))
       return true;
-    Res = MCUnaryExpr::CreatePlus(Res, Ctx);
+    Res = MCUnaryExpr::CreatePlus(Res, getContext());
     return false;
   case AsmToken::Tilde:
     Lexer.Lex(); // Eat the operator.
     if (ParsePrimaryExpr(Res))
       return true;
-    Res = MCUnaryExpr::CreateNot(Res, Ctx);
+    Res = MCUnaryExpr::CreateNot(Res, getContext());
     return false;
   }
 }
@@ -300,7 +300,8 @@ bool AsmParser::ParseParenRelocatableExpression(MCValue &Res) {
 static unsigned getBinOpPrecedence(AsmToken::TokenKind K, 
                                    MCBinaryExpr::Opcode &Kind) {
   switch (K) {
-  default: return 0;    // not a binop.
+  default:
+    return 0;    // not a binop.
 
     // Lowest Precedence: &&, ||
   case AsmToken::AmpAmp:
@@ -397,7 +398,7 @@ bool AsmParser::ParseBinOpRHS(unsigned Precedence, const MCExpr *&Res) {
     }
 
     // Merge LHS and RHS according to operator.
-    Res = MCBinaryExpr::Create(Kind, Res, RHS, Ctx);
+    Res = MCBinaryExpr::Create(Kind, Res, RHS, getContext());
   }
 }
 

diff --git a/tools/llvm-mc/AsmParser.h b/tools/llvm-mc/AsmParser.h
index c7b7316d632f35c600b5b32e49f9844977794109..b7082b688d4554ca7fb0cc6bfef182f4e37d2e74 100644 (file)
--- a/tools/llvm-mc/AsmParser.h
+++ b/tools/llvm-mc/AsmParser.h
@@ -62,6 +62,8 @@ public:
 
   virtual MCAsmLexer &getLexer() { return Lexer; }
 
+  virtual MCContext &getContext() { return Ctx; }
+
   virtual void Warning(SMLoc L, const Twine &Meg);
 
   virtual bool Error(SMLoc L, const Twine &Msg);
@@ -72,6 +74,8 @@ public:
 
   virtual bool ParseRelocatableExpression(MCValue &Res);
 
+  virtual bool ParseParenRelocatableExpression(MCValue &Res);
+
   /// }
 
 private:
@@ -94,16 +98,6 @@ private:
   
   bool ParseAssignment(const StringRef &Name, bool IsDotSet);
 
-  /// ParseParenRelocatableExpression - Parse an expression which must be
-  /// relocatable, assuming that an initial '(' has already been consumed.
-  ///
-  /// @param Res - The relocatable expression value. The result is undefined on
-  /// error.  
-  /// @result - False on success.
-  ///
-  /// @see ParseRelocatableExpression, ParseParenExpr.
-  bool ParseParenRelocatableExpression(MCValue &Res);
-
   bool ParsePrimaryExpr(const MCExpr *&Res);
   bool ParseBinOpRHS(unsigned Precedence, const MCExpr *&Res);
   bool ParseParenExpr(const MCExpr *&Res);