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-rw-r--r--include/llvm/MC/MCParser/AsmLexer.h2
-rw-r--r--include/llvm/MC/MCParser/MCAsmLexer.h43
-rw-r--r--include/llvm/MC/MCParser/MCAsmParser.h73
-rw-r--r--include/llvm/MC/MCParser/MCAsmParserExtension.h9
4 files changed, 69 insertions, 58 deletions
diff --git a/include/llvm/MC/MCParser/AsmLexer.h b/include/llvm/MC/MCParser/AsmLexer.h
index 0b550ba627..a9a30f1720 100644
--- a/include/llvm/MC/MCParser/AsmLexer.h
+++ b/include/llvm/MC/MCParser/AsmLexer.h
@@ -49,7 +49,7 @@ public:
const AsmToken peekTok(bool ShouldSkipSpace = true) override;
- bool isAtStartOfComment(char Char);
+ bool isAtStartOfComment(const char *Ptr);
bool isAtStatementSeparator(const char *Ptr);
const MCAsmInfo &getMAI() const { return MAI; }
diff --git a/include/llvm/MC/MCParser/MCAsmLexer.h b/include/llvm/MC/MCParser/MCAsmLexer.h
index e3d4181e08..b05891c132 100644
--- a/include/llvm/MC/MCParser/MCAsmLexer.h
+++ b/include/llvm/MC/MCParser/MCAsmLexer.h
@@ -18,7 +18,7 @@
namespace llvm {
-/// AsmToken - Target independent representation for an assembler token.
+/// Target independent representation for an assembler token.
class AsmToken {
public:
enum TokenKind {
@@ -74,25 +74,26 @@ public:
SMLoc getLoc() const;
SMLoc getEndLoc() const;
+ SMRange getLocRange() const;
- /// getStringContents - Get the contents of a string token (without quotes).
+ /// Get the contents of a string token (without quotes).
StringRef getStringContents() const {
assert(Kind == String && "This token isn't a string!");
return Str.slice(1, Str.size() - 1);
}
- /// getIdentifier - Get the identifier string for the current token, which
- /// should be an identifier or a string. This gets the portion of the string
- /// which should be used as the identifier, e.g., it does not include the
- /// quotes on strings.
+ /// Get the identifier string for the current token, which should be an
+ /// identifier or a string. This gets the portion of the string which should
+ /// be used as the identifier, e.g., it does not include the quotes on
+ /// strings.
StringRef getIdentifier() const {
if (Kind == Identifier)
return getString();
return getStringContents();
}
- /// getString - Get the string for the current token, this includes all
- /// characters (for example, the quotes on strings) in the token.
+ /// Get the string for the current token, this includes all characters (for
+ /// example, the quotes on strings) in the token.
///
/// The returned StringRef points into the source manager's memory buffer, and
/// is safe to store across calls to Lex().
@@ -113,8 +114,8 @@ public:
}
};
-/// MCAsmLexer - Generic assembler lexer interface, for use by target specific
-/// assembly lexers.
+/// Generic assembler lexer interface, for use by target specific assembly
+/// lexers.
class MCAsmLexer {
/// The current token, stored in the base class for faster access.
AsmToken CurTok;
@@ -142,7 +143,7 @@ protected: // Can only create subclasses.
public:
virtual ~MCAsmLexer();
- /// Lex - Consume the next token from the input stream and return it.
+ /// Consume the next token from the input stream and return it.
///
/// The lexer will continuosly return the end-of-file token once the end of
/// the main input file has been reached.
@@ -152,37 +153,37 @@ public:
virtual StringRef LexUntilEndOfStatement() = 0;
- /// getLoc - Get the current source location.
+ /// Get the current source location.
SMLoc getLoc() const;
- /// getTok - Get the current (last) lexed token.
- const AsmToken &getTok() {
+ /// Get the current (last) lexed token.
+ const AsmToken &getTok() const {
return CurTok;
}
- /// peekTok - Look ahead at the next token to be lexed.
+ /// Look ahead at the next token to be lexed.
virtual const AsmToken peekTok(bool ShouldSkipSpace = true) = 0;
- /// getErrLoc - Get the current error location
+ /// Get the current error location
const SMLoc &getErrLoc() {
return ErrLoc;
}
- /// getErr - Get the current error string
+ /// Get the current error string
const std::string &getErr() {
return Err;
}
- /// getKind - Get the kind of current token.
+ /// Get the kind of current token.
AsmToken::TokenKind getKind() const { return CurTok.getKind(); }
- /// is - Check if the current token has kind \p K.
+ /// Check if the current token has kind \p K.
bool is(AsmToken::TokenKind K) const { return CurTok.is(K); }
- /// isNot - Check if the current token has kind \p K.
+ /// Check if the current token has kind \p K.
bool isNot(AsmToken::TokenKind K) const { return CurTok.isNot(K); }
- /// setSkipSpace - Set whether spaces should be ignored by the lexer
+ /// Set whether spaces should be ignored by the lexer
void setSkipSpace(bool val) { SkipSpace = val; }
bool getAllowAtInIdentifier() { return AllowAtInIdentifier; }
diff --git a/include/llvm/MC/MCParser/MCAsmParser.h b/include/llvm/MC/MCParser/MCAsmParser.h
index 9836795450..34188e66e6 100644
--- a/include/llvm/MC/MCParser/MCAsmParser.h
+++ b/include/llvm/MC/MCParser/MCAsmParser.h
@@ -45,20 +45,22 @@ public:
}
};
-/// MCAsmParserSemaCallback - Generic Sema callback for assembly parser.
+/// 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;
};
-/// 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);
@@ -85,10 +87,13 @@ public:
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; }
@@ -100,51 +105,49 @@ public:
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;
-
- /// Note - Emit a note 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;
- /// Warning - Emit a warning at the location \p L, with the message \p Msg.
+ /// 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;
- /// 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 = 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 = None);
- /// parseIdentifier - Parse an identifier or string (as a quoted identifier)
- /// and set \p Res to the identifier contents.
+ /// 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
@@ -152,15 +155,14 @@ public:
/// will be either the EndOfStatement or EOF.
virtual StringRef parseStringToEndOfStatement() = 0;
- /// parseEscapedString - Parse the current token as a string which may include
- /// escaped characters and return the string contents.
+ /// 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.
+ /// Skip to the end of the current statement, for error recovery.
virtual void eatToEndOfStatement() = 0;
- /// parseExpression - Parse an arbitrary expression.
+ /// Parse an arbitrary expression.
///
/// @param Res - The value of the expression. The result is undefined
/// on error.
@@ -168,31 +170,30 @@ public:
virtual bool parseExpression(const MCExpr *&Res, SMLoc &EndLoc) = 0;
bool parseExpression(const MCExpr *&Res);
- /// parsePrimaryExpr - Parse a primary expression.
+ /// Parse a primary expression.
///
/// @param Res - The value of the expression. The result is undefined
/// on error.
/// @result - 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.
+ /// 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;
- /// 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;
- /// checkForValidSection - Ensure that we have a valid section set in the
- /// streamer. Otherwise, report an error and switch to .text.
+ /// Ensure that we have a valid section set in the streamer. Otherwise, report
+ /// an error and switch to .text.
virtual void checkForValidSection() = 0;
};
diff --git a/include/llvm/MC/MCParser/MCAsmParserExtension.h b/include/llvm/MC/MCParser/MCAsmParserExtension.h
index 2eda3a9a21..bfc0afa132 100644
--- a/include/llvm/MC/MCParser/MCAsmParserExtension.h
+++ b/include/llvm/MC/MCParser/MCAsmParserExtension.h
@@ -52,8 +52,17 @@ public:
/// @{
MCContext &getContext() { return getParser().getContext(); }
+
MCAsmLexer &getLexer() { return getParser().getLexer(); }
+ const MCAsmLexer &getLexer() const {
+ return const_cast<MCAsmParserExtension *>(this)->getLexer();
+ }
+
MCAsmParser &getParser() { return *Parser; }
+ const MCAsmParser &getParser() const {
+ return const_cast<MCAsmParserExtension*>(this)->getParser();
+ }
+
SourceMgr &getSourceManager() { return getParser().getSourceManager(); }
MCStreamer &getStreamer() { return getParser().getStreamer(); }
bool Warning(SMLoc L, const Twine &Msg) {