//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_MC_MCASMPARSER_H
-#define LLVM_MC_MCASMPARSER_H
+#ifndef LLVM_MC_MCPARSER_MCASMPARSER_H
+#define LLVM_MC_MCPARSER_MCASMPARSER_H
-#include "llvm/System/DataTypes.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 AsmToken;
+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 StringRef;
class Twine;
-/// MCAsmParser - Generic assembler parser interface, for use by target specific
+class InlineAsmIdentifierInfo {
+public:
+ void *OpDecl;
+ bool IsVarDecl;
+ unsigned Length, Size, Type;
+
+ void clear() {
+ OpDecl = nullptr;
+ IsVarDecl = false;
+ Length = 1;
+ Size = 0;
+ Type = 0;
+ }
+};
+
+/// \brief Generic Sema callback for assembly parser.
+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;
+};
+
+/// \brief Generic assembler parser interface, for use by target specific
/// assembly parsers.
class MCAsmParser {
public:
- typedef bool (MCAsmParserExtension::*DirectiveHandler)(StringRef, SMLoc);
+ typedef bool (*DirectiveHandler)(MCAsmParserExtension*, StringRef, SMLoc);
+ typedef std::pair<MCAsmParserExtension*, DirectiveHandler>
+ ExtensionDirectiveHandler;
private:
- MCAsmParser(const MCAsmParser &); // DO NOT IMPLEMENT
- void operator=(const MCAsmParser &); // DO NOT IMPLEMENT
+ MCAsmParser(const MCAsmParser &) = delete;
+ void operator=(const MCAsmParser &) = delete;
+
+ MCTargetAsmParser *TargetParser;
+
+ unsigned ShowParsedOperands : 1;
+
protected: // Can only create subclasses.
MCAsmParser();
public:
virtual ~MCAsmParser();
- virtual void AddDirectiveHandler(MCAsmParserExtension *Object,
- StringRef Directive,
- DirectiveHandler Handler) = 0;
+ virtual void addDirectiveHandler(StringRef Directive,
+ ExtensionDirectiveHandler Handler) = 0;
+
+ virtual void addAliasForDirective(StringRef Directive, StringRef Alias) = 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.
+ /// \brief Return the output streamer for the assembler.
virtual MCStreamer &getStreamer() = 0;
- /// Warning - Emit a warning at the location \arg L, with the message \arg
- /// Msg.
- virtual void Warning(SMLoc L, const Twine &Msg) = 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; }
+
+ /// \brief 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;
- /// Error - Emit an error at the location \arg L, with the message \arg
- /// Msg.
+ /// \brief 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;
+
+ /// \brief 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;
+
+ /// \brief 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 = None) = 0;
+
+ /// \brief 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) = 0;
+ virtual bool Error(SMLoc L, const Twine &Msg,
+ ArrayRef<SMRange> Ranges = None) = 0;
- /// Lex - Get the next AsmToken in the stream, possibly handling file
+ /// \brief 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();
+ /// \brief Get the current AsmToken from the stream.
+ const AsmToken &getTok() const;
/// \brief Report an error at the current lexer location.
- bool TokError(const char *Msg);
+ bool TokError(const Twine &Msg, ArrayRef<SMRange> Ranges = None);
+
+ /// \brief 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;
+
+ /// \brief Parse the current token as a string which may include escaped
+ /// characters and return the string contents.
+ virtual bool parseEscapedString(std::string &Data) = 0;
- /// ParseExpression - Parse an arbitrary expression.
+ /// \brief Skip to the end of the current statement, for error recovery.
+ virtual void eatToEndOfStatement() = 0;
+
+ /// \brief Parse an arbitrary expression.
+ ///
+ /// \param Res - The value of the expression. The result is undefined
+ /// on error.
+ /// \return - False on success.
+ virtual bool parseExpression(const MCExpr *&Res, SMLoc &EndLoc) = 0;
+ bool parseExpression(const MCExpr *&Res);
+
+ /// \brief Parse a primary expression.
///
- /// @param Res - The value of the expression. The result is undefined
+ /// \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);
+ /// \return - False on success.
+ virtual bool parsePrimaryExpr(const MCExpr *&Res, SMLoc &EndLoc) = 0;
- /// ParseParenExpression - Parse an arbitrary expression, assuming that an
- /// initial '(' has already been consumed.
+ /// \brief Parse an arbitrary expression, assuming that an initial '(' has
+ /// already been consumed.
///
- /// @param Res - The value of the expression. The result is undefined
+ /// \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;
+ /// \return - False on success.
+ virtual bool parseParenExpression(const MCExpr *&Res, SMLoc &EndLoc) = 0;
- /// ParseAbsoluteExpression - Parse an expression which must evaluate to an
- /// absolute value.
+ /// \brief Parse an expression which must evaluate to an absolute value.
///
- /// @param Res - The value of the absolute expression. The result is undefined
+ /// \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;
+ /// \return - False on success.
+ virtual bool parseAbsoluteExpression(int64_t &Res) = 0;
+
+ /// \brief Ensure that we have a valid section set in the streamer. Otherwise,
+ /// report an error and switch to .text.
+ virtual void checkForValidSection() = 0;
};
-} // End llvm namespace
+/// \brief Create an MCAsmParser instance.
+MCAsmParser *createMCAsmParser(SourceMgr &, MCContext &, MCStreamer &,
+ const MCAsmInfo &);
+
+} // namespace llvm
#endif
projects / oota-llvm.git / blobdiff