class MCInst;
template <typename T> class SmallVectorImpl;
+enum AsmRewriteKind {
+ AOK_DotOperator, // Rewrite a dot operator expression as an immediate.
+ // E.g., [eax].foo.bar -> [eax].8
+ AOK_Emit, // Rewrite _emit as .byte.
+ AOK_Imm, // Rewrite as $$N.
+ AOK_ImmPrefix, // Add $$ before a parsed Imm.
+ AOK_Input, // Rewrite in terms of $N.
+ AOK_Output, // Rewrite in terms of $N.
+ AOK_SizeDirective, // Add a sizing directive (e.g., dword ptr).
+ AOK_Skip // Skip emission (e.g., offset/type operators).
+};
+
+struct AsmRewrite {
+ AsmRewriteKind Kind;
+ SMLoc Loc;
+ unsigned Len;
+ unsigned Val;
+public:
+ AsmRewrite(AsmRewriteKind kind, SMLoc loc, unsigned len = 0, unsigned val = 0)
+ : Kind(kind), Loc(loc), Len(len), Val(val) {}
+};
+
+struct ParseInstructionInfo {
+
+ SmallVectorImpl<AsmRewrite> *AsmRewrites;
+
+ ParseInstructionInfo() : AsmRewrites(0) {}
+ ParseInstructionInfo(SmallVectorImpl<AsmRewrite> *rewrites)
+ : AsmRewrites(rewrites) {}
+
+ ~ParseInstructionInfo() {}
+};
+
/// MCTargetAsmParser - Generic interface to target specific assembly parsers.
class MCTargetAsmParser : public MCAsmParserExtension {
public:
/// AvailableFeatures - The current set of available features.
unsigned AvailableFeatures;
+ /// ParsingInlineAsm - Are we parsing ms-style inline assembly?
+ bool ParsingInlineAsm;
+
+ /// SemaCallback - The Sema callback implementation. Must be set when parsing
+ /// ms-style inline assembly.
+ MCAsmParserSemaCallback *SemaCallback;
+
public:
virtual ~MCTargetAsmParser();
unsigned getAvailableFeatures() const { return AvailableFeatures; }
void setAvailableFeatures(unsigned Value) { AvailableFeatures = Value; }
+ bool isParsingInlineAsm () { return ParsingInlineAsm; }
+ void setParsingInlineAsm (bool Value) { ParsingInlineAsm = Value; }
+
+ void setSemaCallback(MCAsmParserSemaCallback *Callback) {
+ SemaCallback = Callback;
+ }
+
virtual bool ParseRegister(unsigned &RegNo, SMLoc &StartLoc,
SMLoc &EndLoc) = 0;
/// \param Operands [out] - The list of parsed operands, this returns
/// ownership of them to the caller.
/// \return True on failure.
- virtual bool ParseInstruction(StringRef Name, SMLoc NameLoc,
+ virtual bool ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
+ SMLoc NameLoc,
SmallVectorImpl<MCParsedAsmOperand*> &Operands) = 0;
/// ParseDirective - Parse a target specific assembler directive