class SourceMgr;
class Twine;
-/// MCAsmParserSemaCallback - Generic Sema callback for assembly parser.
+class InlineAsmIdentifierInfo {
+public:
+ void *OpDecl;
+ bool IsVarDecl;
+ unsigned Length, Size, Type;
+
+ void clear() {
+ OpDecl = nullptr;
+ IsVarDecl = false;
+ Length = 1;
+ Size = 0;
+ Type = 0;
+ }
+};
+
+/// Generic Sema callback for assembly parser.
class MCAsmParserSemaCallback {
public:
- virtual ~MCAsmParserSemaCallback();
- virtual void *LookupInlineAsmIdentifier(StringRef Name, void *Loc,
- unsigned &Length, unsigned &Size,
- unsigned &Type, bool &IsVarDecl) = 0;
+ 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;
};
-
-/// MCAsmParser - Generic assembler parser interface, for use by target specific
-/// assembly parsers.
+/// Generic assembler parser interface, for use by target specific assembly
+/// parsers.
class MCAsmParser {
public:
typedef bool (*DirectiveHandler)(MCAsmParserExtension*, StringRef, SMLoc);
public:
virtual ~MCAsmParser();
- virtual void AddDirectiveHandler(StringRef Directive,
+ 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;
- /// getStreamer - Return the output streamer for the assembler.
+ /// Return the output streamer for the assembler.
virtual MCStreamer &getStreamer() = 0;
MCTargetAsmParser &getTargetParser() const { return *TargetParser; }
bool getShowParsedOperands() const { return ShowParsedOperands; }
void setShowParsedOperands(bool Value) { ShowParsedOperands = Value; }
- /// Run - Run the parser on the input source buffer.
+ /// Run the parser on the input source buffer.
virtual bool Run(bool NoInitialTextSection, bool NoFinalize = false) = 0;
virtual void setParsingInlineAsm(bool V) = 0;
virtual bool isParsingInlineAsm() = 0;
- /// ParseMSInlineAsm - Parse ms-style inline assembly.
- 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;
-
- /// Warning - Emit a warning at the location \p L, with the message \p Msg.
+ /// Parse ms-style inline assembly.
+ 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;
+
+ /// Emit a note at the location \p L, with the message \p Msg.
+ virtual void Note(SMLoc L, const Twine &Msg,
+ ArrayRef<SMRange> Ranges = None) = 0;
+
+ /// Emit a warning at the location \p L, with the message \p Msg.
///
/// \return The return value is true, if warnings are fatal.
virtual bool Warning(SMLoc L, const Twine &Msg,
- ArrayRef<SMRange> Ranges = ArrayRef<SMRange>()) = 0;
+ ArrayRef<SMRange> Ranges = None) = 0;
- /// Error - Emit an error at the location \p L, with the message \p Msg.
+ /// Emit an error at the location \p L, with the message \p Msg.
///
/// \return The return value is always true, as an idiomatic convenience to
/// clients.
virtual bool Error(SMLoc L, const Twine &Msg,
- ArrayRef<SMRange> Ranges = ArrayRef<SMRange>()) = 0;
+ ArrayRef<SMRange> Ranges = None) = 0;
- /// Lex - Get the next AsmToken in the stream, possibly handling file
- /// inclusion first.
+ /// Get the next AsmToken in the stream, possibly handling file inclusion
+ /// first.
virtual const AsmToken &Lex() = 0;
- /// getTok - Get the current AsmToken from the stream.
- const AsmToken &getTok();
+ /// Get the current AsmToken from the stream.
+ const AsmToken &getTok() const;
/// \brief Report an error at the current lexer location.
- bool TokError(const Twine &Msg,
- ArrayRef<SMRange> Ranges = ArrayRef<SMRange>());
+ bool TokError(const Twine &Msg, ArrayRef<SMRange> Ranges = None);
- /// ParseIdentifier - Parse an identifier or string (as a quoted identifier)
- /// and set \p Res to the identifier contents.
- virtual bool ParseIdentifier(StringRef &Res) = 0;
+ /// Parse an identifier or string (as a quoted identifier) and set \p 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;
+ virtual StringRef parseStringToEndOfStatement() = 0;
- /// ParseEscapedString - Parse the current token as a string which may include
- /// escaped characters and return the string contents.
- virtual bool ParseEscapedString(std::string &Data) = 0;
+ /// Parse the current token as a string which may include escaped characters
+ /// and return the string contents.
+ virtual bool parseEscapedString(std::string &Data) = 0;
- /// EatToEndOfStatement - Skip to the end of the current statement, for error
- /// recovery.
- virtual void EatToEndOfStatement() = 0;
+ /// Skip to the end of the current statement, for error recovery.
+ virtual void eatToEndOfStatement() = 0;
+
+ /// Parse an arbitrary expression.
+ ///
+ /// @param Res - The value of the expression. The result is undefined
+ /// on error.
+ /// @result - False on success.
+ virtual bool parseExpression(const MCExpr *&Res, SMLoc &EndLoc) = 0;
+ bool parseExpression(const MCExpr *&Res);
- /// ParseExpression - Parse an arbitrary expression.
+ /// Parse a primary expression.
///
/// @param Res - The value of the expression. The result is undefined
/// on error.
/// @result - False on success.
- virtual bool ParseExpression(const MCExpr *&Res, SMLoc &EndLoc) = 0;
- bool ParseExpression(const MCExpr *&Res);
+ virtual bool parsePrimaryExpr(const MCExpr *&Res, SMLoc &EndLoc) = 0;
- /// ParseParenExpression - Parse an arbitrary expression, assuming that an
- /// initial '(' has already been consumed.
+ /// Parse an arbitrary expression, assuming that an initial '(' has already
+ /// been consumed.
///
/// @param Res - The value of the expression. The result is undefined
/// on error.
/// @result - False on success.
- virtual bool ParseParenExpression(const MCExpr *&Res, SMLoc &EndLoc) = 0;
+ virtual bool parseParenExpression(const MCExpr *&Res, SMLoc &EndLoc) = 0;
- /// ParseAbsoluteExpression - Parse an expression which must evaluate to an
- /// absolute value.
+ /// Parse an expression which must evaluate to an absolute value.
///
/// @param Res - The value of the absolute expression. The result is undefined
/// on error.
/// @result - False on success.
- virtual bool ParseAbsoluteExpression(int64_t &Res) = 0;
+ virtual bool parseAbsoluteExpression(int64_t &Res) = 0;
- /// CheckForValidSection - Ensure that we have a valid section set in the
- /// streamer. Otherwise, report and error and switch to .text.
- virtual void CheckForValidSection() = 0;
+ /// Ensure that we have a valid section set in the streamer. Otherwise, report
+ /// an error and switch to .text.
+ virtual void checkForValidSection() = 0;
};
/// \brief Create an MCAsmParser instance.
projects / oota-llvm.git / blobdiff