#include "llvm/MC/MCParser/MCAsmParserExtension.h"
namespace llvm {
-class MCInst;
+class MCStreamer;
class StringRef;
class Target;
class SMLoc;
protected: // Can only create subclasses.
TargetAsmParser(const Target &);
- /// TheTarget - The Target that this machine was created for.
+ /// The Target that this machine was created for.
const Target &TheTarget;
+ /// The current set of available features.
+ unsigned AvailableFeatures;
+
public:
virtual ~TargetAsmParser();
const Target &getTarget() const { return TheTarget; }
+ unsigned getAvailableFeatures() const { return AvailableFeatures; }
+ void setAvailableFeatures(unsigned Value) { AvailableFeatures = Value; }
+
+ virtual bool ParseRegister(unsigned &RegNo, SMLoc &StartLoc, SMLoc &EndLoc) = 0;
+
/// ParseInstruction - Parse one assembly instruction.
///
/// The parser is positioned following the instruction name. The target
/// \param Operands [out] - The list of parsed operands, this returns
/// ownership of them to the caller.
/// \return True on failure.
- virtual bool ParseInstruction(const StringRef &Name, SMLoc NameLoc,
+ virtual bool ParseInstruction(StringRef Name, SMLoc NameLoc,
SmallVectorImpl<MCParsedAsmOperand*> &Operands) = 0;
/// ParseDirective - Parse a target specific assembler directive
/// \param DirectiveID - the identifier token of the directive.
virtual bool ParseDirective(AsmToken DirectiveID) = 0;
- /// MatchInstruction - Recognize a series of operands of a parsed instruction
- /// as an actual MCInst. This returns false and fills in Inst on success and
- /// returns true on failure to match.
+ /// MatchAndEmitInstruction - Recognize a series of operands of a parsed
+ /// instruction as an actual MCInst and emit it to the specified MCStreamer.
+ /// This returns false on success and returns true on failure to match.
+ ///
+ /// On failure, the target parser is responsible for emitting a diagnostic
+ /// explaining the match failure.
virtual bool
- MatchInstruction(const SmallVectorImpl<MCParsedAsmOperand*> &Operands,
- MCInst &Inst) = 0;
+ MatchAndEmitInstruction(SMLoc IDLoc,
+ SmallVectorImpl<MCParsedAsmOperand*> &Operands,
+ MCStreamer &Out) = 0;
};