#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"
-#include <vector>
namespace llvm {
class MCAsmInfo;
class MCExpr;
class MCInstPrinter;
class MCInstrInfo;
-class MCParsedAsmOperand;
class MCStreamer;
class MCTargetAsmParser;
class SMLoc;
class SMRange;
class SourceMgr;
-class StringRef;
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;
+ }
+};
+
/// MCAsmParserSemaCallback - Generic Sema callback for assembly parser.
class MCAsmParserSemaCallback {
public:
- virtual ~MCAsmParserSemaCallback();
- virtual void *LookupInlineAsmIdentifier(StringRef Name, void *Loc,
- unsigned &Size, bool &IsVarDecl) = 0;
+ virtual ~MCAsmParserSemaCallback();
+ virtual void *LookupInlineAsmIdentifier(StringRef &LineBuf,
+ InlineAsmIdentifierInfo &Info,
+ bool IsUnevaluatedContext) = 0;
+
virtual bool LookupInlineAsmField(StringRef Base, StringRef Member,
unsigned &Offset) = 0;
};
-
-typedef std::vector<AsmToken> MCAsmMacroArgument;
-
-
/// MCAsmParser - Generic assembler parser interface, for use by target specific
/// assembly parsers.
class MCAsmParser {
public:
typedef bool (*DirectiveHandler)(MCAsmParserExtension*, StringRef, SMLoc);
+ typedef std::pair<MCAsmParserExtension*, DirectiveHandler>
+ ExtensionDirectiveHandler;
private:
MCAsmParser(const MCAsmParser &) LLVM_DELETED_FUNCTION;
public:
virtual ~MCAsmParser();
- virtual void AddDirectiveHandler(MCAsmParserExtension *Object,
- StringRef Directive,
- DirectiveHandler Handler) = 0;
+ virtual void addDirectiveHandler(StringRef Directive,
+ ExtensionDirectiveHandler Handler) = 0;
virtual SourceMgr &getSourceManager() = 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,
+ /// 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,
const MCInstPrinter *IP,
MCAsmParserSemaCallback &SI) = 0;
+ /// Note - 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;
+
/// Warning - 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.
///
/// \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.
const AsmToken &getTok();
/// \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)
+ /// parseIdentifier - Parse an identifier or string (as a quoted identifier)
/// and set \p Res to the identifier contents.
- virtual bool ParseIdentifier(StringRef &Res) = 0;
+ 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;
- /// EatToEndOfStatement - Skip to the end of the current statement, for error
- /// recovery.
- virtual void EatToEndOfStatement() = 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;
- /// Control a flag in the parser that enables or disables macros.
- virtual bool MacrosEnabled() = 0;
- virtual void SetMacrosEnabled(bool flag) = 0;
+ /// eatToEndOfStatement - Skip to the end of the current statement, for error
+ /// recovery.
+ virtual void eatToEndOfStatement() = 0;
- /// ParseMacroArgument - Extract AsmTokens for a macro argument. If the
- /// argument delimiter is initially unknown, set it to AsmToken::Eof. It will
- /// be set to the correct delimiter by the method.
- virtual bool ParseMacroArgument(MCAsmMacroArgument &MA,
- AsmToken::TokenKind &ArgumentDelimiter) = 0;
+ /// parseExpression - 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.
+ /// parsePrimaryExpr - 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
+ /// parseParenExpression - 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
+ /// parseAbsoluteExpression - 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;
+ /// checkForValidSection - 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.
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