class SMLoc;
class AsmToken;
class MCParsedAsmOperand;
+class MCInst;
template <typename T> class SmallVectorImpl;
/// MCTargetAsmParser - Generic interface to target specific assembly parsers.
class MCTargetAsmParser : public MCAsmParserExtension {
- MCTargetAsmParser(const MCTargetAsmParser &); // DO NOT IMPLEMENT
- void operator=(const MCTargetAsmParser &); // DO NOT IMPLEMENT
+public:
+ enum MatchResultTy {
+ Match_InvalidOperand,
+ Match_MissingFeature,
+ Match_MnemonicFail,
+ Match_Success,
+ FIRST_TARGET_MATCH_RESULT_TY
+ };
+
+private:
+ MCTargetAsmParser(const MCTargetAsmParser &) LLVM_DELETED_FUNCTION;
+ void operator=(const MCTargetAsmParser &) LLVM_DELETED_FUNCTION;
protected: // Can only create subclasses.
MCTargetAsmParser();
/// \param DirectiveID - the identifier token of the directive.
virtual bool ParseDirective(AsmToken DirectiveID) = 0;
+ /// mnemonicIsValid - This returns true if this is a valid mnemonic and false
+ /// otherwise.
+ virtual bool mnemonicIsValid(StringRef Mnemonic) = 0;
+
/// 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
- MatchAndEmitInstruction(SMLoc IDLoc,
+ MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
SmallVectorImpl<MCParsedAsmOperand*> &Operands,
- MCStreamer &Out) = 0;
+ MCStreamer &Out, unsigned &ErrorInfo,
+ bool MatchingInlineAsm) = 0;
+
+ /// checkTargetMatchPredicate - Validate the instruction match against
+ /// any complex target predicates not expressible via match classes.
+ virtual unsigned checkTargetMatchPredicate(MCInst &Inst) {
+ return Match_Success;
+ }
+ virtual void convertToMapAndConstraints(unsigned Kind,
+ const SmallVectorImpl<MCParsedAsmOperand*> &Operands) = 0;
};
} // End llvm namespace