Enhance llvm::SourceMgr to support diagnostic ranges, the same way clang does. Enhance

[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 414b9cc8932dcafd615dcc51a21d3bb8388faa74..039deaa070be3cc7aaa01c5b6ed63fcf1054ebf2 100644 (file)
--- a/include/llvm/MC/MCParser/MCAsmParser.h
+++ b/include/llvm/MC/MCParser/MCAsmParser.h
@@ -10,7 +10,8 @@
 #ifndef LLVM_MC_MCASMPARSER_H
 #define LLVM_MC_MCASMPARSER_H
 
-#include "llvm/System/DataTypes.h"
+#include "llvm/Support/DataTypes.h"
+#include "llvm/ADT/ArrayRef.h"
 
 namespace llvm {
 class AsmToken;
@@ -20,24 +21,26 @@ class MCAsmParserExtension;
 class MCContext;
 class MCExpr;
 class MCStreamer;
+class MCTargetAsmParser;
 class SMLoc;
+class SMRange;
 class SourceMgr;
 class StringRef;
-class Target;
-class TargetAsmParser;
 class Twine;
 
 /// MCAsmParser - Generic assembler parser interface, for use by target specific
 /// assembly parsers.
 class MCAsmParser {
 public:
-  typedef bool (MCAsmParserExtension::*DirectiveHandler)(StringRef, SMLoc);
+  typedef bool (*DirectiveHandler)(MCAsmParserExtension*, StringRef, SMLoc);
 
 private:
   MCAsmParser(const MCAsmParser &);   // DO NOT IMPLEMENT
   void operator=(const MCAsmParser &);  // DO NOT IMPLEMENT
 
-  TargetAsmParser *TargetParser;
+  MCTargetAsmParser *TargetParser;
+
+  unsigned ShowParsedOperands : 1;
 
 protected: // Can only create subclasses.
   MCAsmParser();
@@ -58,22 +61,29 @@ public:
   /// getStreamer - Return the output streamer for the assembler.
   virtual MCStreamer &getStreamer() = 0;
 
-  TargetAsmParser &getTargetParser() const { return *TargetParser; }
-  void setTargetParser(TargetAsmParser &P);
+  MCTargetAsmParser &getTargetParser() const { return *TargetParser; }
+  void setTargetParser(MCTargetAsmParser &P);
+
+  bool getShowParsedOperands() const { return ShowParsedOperands; }
+  void setShowParsedOperands(bool Value) { ShowParsedOperands = Value; }
 
   /// Run - Run the parser on the input source buffer.
   virtual bool Run(bool NoInitialTextSection, bool NoFinalize = false) = 0;
 
   /// Warning - Emit a warning at the location \arg L, with the message \arg
   /// Msg.
-  virtual void Warning(SMLoc L, const Twine &Msg) = 0;
+  ///
+  /// \return The return value is true, if warnings are fatal.
+  virtual bool Warning(SMLoc L, const Twine &Msg,
+                       ArrayRef<SMRange> Ranges = ArrayRef<SMRange>()) = 0;
 
   /// Error - Emit an error at the location \arg L, with the message \arg
   /// Msg.
   ///
   /// \return The return value is always true, as an idiomatic convenience to
   /// clients.
-  virtual bool Error(SMLoc L, const Twine &Msg) = 0;
+  virtual bool Error(SMLoc L, const Twine &Msg,
+                     ArrayRef<SMRange> Ranges = ArrayRef<SMRange>()) = 0;
 
   /// Lex - Get the next AsmToken in the stream, possibly handling file
   /// inclusion first.
@@ -83,12 +93,22 @@ public:
   const AsmToken &getTok();
 
   /// \brief Report an error at the current lexer location.
-  bool TokError(const Twine &Msg);
+  bool TokError(const Twine &Msg,
+                ArrayRef<SMRange> Ranges = ArrayRef<SMRange>());
 
   /// ParseIdentifier - Parse an identifier or string (as a quoted identifier)
   /// and set \arg Res to the identifier contents.
   virtual bool ParseIdentifier(StringRef &Res) = 0;
 
+  /// \brief Parse up to the end of statement and return the contents from the
+  /// current token until the end of the statement; the current token on exit
+  /// will be either the EndOfStatement or EOF.
+  virtual StringRef ParseStringToEndOfStatement() = 0;
+
+  /// EatToEndOfStatement - Skip to the end of the current statement, for error
+  /// recovery.
+  virtual void EatToEndOfStatement() = 0;
+
   /// ParseExpression - Parse an arbitrary expression.
   ///
   /// @param Res - The value of the expression. The result is undefined
@@ -115,7 +135,7 @@ public:
 };
 
 /// \brief Create an MCAsmParser instance.
-MCAsmParser *createMCAsmParser(const Target &, SourceMgr &, MCContext &,
+MCAsmParser *createMCAsmParser(SourceMgr &, MCContext &,
                                MCStreamer &, const MCAsmInfo &);
 
 } // End llvm namespace