#ifndef LLVM_MC_MCPARSER_MCASMPARSER_H
#define LLVM_MC_MCPARSER_MCASMPARSER_H
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/MC/MCParser/AsmLexer.h"
#include "llvm/Support/DataTypes.h"
namespace llvm {
class MCAsmInfo;
class MCAsmLexer;
class MCAsmParserExtension;
class MCContext;
class MCExpr;
class MCInstPrinter;
class MCInstrInfo;
class MCStreamer;
class MCTargetAsmParser;
class SMLoc;
class SMRange;
class SourceMgr;
class Twine;
class InlineAsmIdentifierInfo {
public:
void *OpDecl;
bool IsVarDecl;
unsigned Length, Size, Type;
void clear() {
OpDecl = nullptr;
IsVarDecl = false;
Length = 1;
Size = 0;
Type = 0;
}
};
class MCAsmParserSemaCallback {
public:
virtual ~MCAsmParserSemaCallback();
virtual void *LookupInlineAsmIdentifier(StringRef &LineBuf,
InlineAsmIdentifierInfo &Info,
bool IsUnevaluatedContext) = 0;
virtual StringRef LookupInlineAsmLabel(StringRef Identifier, SourceMgr &SM,
SMLoc Location, bool Create) = 0;
virtual bool LookupInlineAsmField(StringRef Base, StringRef Member,
unsigned &Offset) = 0;
};
class MCAsmParser {
public:
typedef bool (*DirectiveHandler)(MCAsmParserExtension*, StringRef, SMLoc);
typedef std::pair<MCAsmParserExtension*, DirectiveHandler>
ExtensionDirectiveHandler;
private:
MCAsmParser(const MCAsmParser &) LLVM_DELETED_FUNCTION;
void operator=(const MCAsmParser &) LLVM_DELETED_FUNCTION;
MCTargetAsmParser *TargetParser;
unsigned ShowParsedOperands : 1;
protected: MCAsmParser();
public:
virtual ~MCAsmParser();
virtual void addDirectiveHandler(StringRef Directive,
ExtensionDirectiveHandler Handler) = 0;
virtual SourceMgr &getSourceManager() = 0;
virtual MCAsmLexer &getLexer() = 0;
const MCAsmLexer &getLexer() const {
return const_cast<MCAsmParser*>(this)->getLexer();
}
virtual MCContext &getContext() = 0;
virtual MCStreamer &getStreamer() = 0;
MCTargetAsmParser &getTargetParser() const { return *TargetParser; }
void setTargetParser(MCTargetAsmParser &P);
virtual unsigned getAssemblerDialect() { return 0;}
virtual void setAssemblerDialect(unsigned i) { }
bool getShowParsedOperands() const { return ShowParsedOperands; }
void setShowParsedOperands(bool Value) { ShowParsedOperands = Value; }
virtual bool Run(bool NoInitialTextSection, bool NoFinalize = false) = 0;
virtual void setParsingInlineAsm(bool V) = 0;
virtual bool isParsingInlineAsm() = 0;
virtual bool parseMSInlineAsm(
void *AsmLoc, std::string &AsmString, unsigned &NumOutputs,
unsigned &NumInputs, SmallVectorImpl<std::pair<void *, bool>> &OpDecls,
SmallVectorImpl<std::string> &Constraints,
SmallVectorImpl<std::string> &Clobbers, const MCInstrInfo *MII,
const MCInstPrinter *IP, MCAsmParserSemaCallback &SI) = 0;
virtual void Note(SMLoc L, const Twine &Msg,
ArrayRef<SMRange> Ranges = None) = 0;
virtual bool Warning(SMLoc L, const Twine &Msg,
ArrayRef<SMRange> Ranges = None) = 0;
virtual bool Error(SMLoc L, const Twine &Msg,
ArrayRef<SMRange> Ranges = None) = 0;
virtual const AsmToken &Lex() = 0;
const AsmToken &getTok() const;
bool TokError(const Twine &Msg, ArrayRef<SMRange> Ranges = None);
virtual bool parseIdentifier(StringRef &Res) = 0;
virtual StringRef parseStringToEndOfStatement() = 0;
virtual bool parseEscapedString(std::string &Data) = 0;
virtual void eatToEndOfStatement() = 0;
virtual bool parseExpression(const MCExpr *&Res, SMLoc &EndLoc) = 0;
bool parseExpression(const MCExpr *&Res);
virtual bool parsePrimaryExpr(const MCExpr *&Res, SMLoc &EndLoc) = 0;
virtual bool parseParenExpression(const MCExpr *&Res, SMLoc &EndLoc) = 0;
virtual bool parseAbsoluteExpression(int64_t &Res) = 0;
virtual void checkForValidSection() = 0;
};
MCAsmParser *createMCAsmParser(SourceMgr &, MCContext &,
MCStreamer &, const MCAsmInfo &);
}
#endif