llvm::AsmLexer Class Reference

AsmLexer - Lexer class for assembly files. More...

#include "llvm/MC/MCParser/AsmLexer.h"

Inheritance diagram for llvm::AsmLexer:

Collaboration diagram for llvm::AsmLexer:

Public Member Functions
	AsmLexer (const MCAsmInfo &MAI)
	AsmLexer (const AsmLexer &)=delete
AsmLexer &	operator= (const AsmLexer &)=delete
	~AsmLexer () override
void	setBuffer (StringRef Buf, const char *ptr=nullptr)
StringRef	LexUntilEndOfStatement () override
size_t	peekTokens (MutableArrayRef< AsmToken > Buf, bool ShouldSkipSpace=true) override
	Look ahead an arbitrary number of tokens. More...
const MCAsmInfo &	getMAI () const
Public Member Functions inherited from llvm::MCAsmLexer
	MCAsmLexer (const MCAsmLexer &)=delete
MCAsmLexer &	operator= (const MCAsmLexer &)=delete
virtual	~MCAsmLexer ()
const AsmToken &	Lex ()
	Consume the next token from the input stream and return it. More...
void	UnLex (AsmToken const &Token)
bool	isAtStartOfStatement ()
SMLoc	getLoc () const
	Get the current source location. More...
const AsmToken &	getTok () const
	Get the current (last) lexed token. More...
const AsmToken	peekTok (bool ShouldSkipSpace=true)
	Look ahead at the next token to be lexed. More...
SMLoc	getErrLoc ()
	Get the current error location. More...
const std::string &	getErr ()
	Get the current error string. More...
AsmToken::TokenKind	getKind () const
	Get the kind of current token. More...
bool	is (AsmToken::TokenKind K) const
	Check if the current token has kind K. More...
bool	isNot (AsmToken::TokenKind K) const
	Check if the current token has kind K. More...
void	setSkipSpace (bool val)
	Set whether spaces should be ignored by the lexer. More...
bool	getAllowAtInIdentifier ()
void	setAllowAtInIdentifier (bool v)
void	setCommentConsumer (AsmCommentConsumer *CommentConsumer)
void	setLexMasmIntegers (bool V)
	Set whether to lex masm-style binary and hex literals. More...

Protected Member Functions
AsmToken	LexToken () override
	LexToken - Read the next token and return its code. More...
Protected Member Functions inherited from llvm::MCAsmLexer
	MCAsmLexer ()
void	SetError (SMLoc errLoc, const std::string &err)

Additional Inherited Members
Protected Attributes inherited from llvm::MCAsmLexer
const char *	TokStart = nullptr
bool	SkipSpace = true
bool	AllowAtInIdentifier
bool	IsAtStartOfStatement = true
bool	LexMasmIntegers = false
AsmCommentConsumer *	CommentConsumer = nullptr

Detailed Description

AsmLexer - Lexer class for assembly files.

Definition at line 26 of file AsmLexer.h.

Constructor & Destructor Documentation

AsmLexer() [1/2]

AsmLexer::AsmLexer

(

const MCAsmInfo &

MAI

)

Definition at line 34 of file AsmLexer.cpp.

References llvm::MCAsmLexer::AllowAtInIdentifier, llvm::MCAsmInfo::getCommentString(), startswith(), and ~AsmLexer().

AsmLexer() [2/2]

llvm::AsmLexer::AsmLexer ( const AsmLexer &  )

delete

~AsmLexer()

AsmLexer::~AsmLexer ( )

overridedefault

Referenced by AsmLexer().

Member Function Documentation

getMAI()

const MCAsmInfo& llvm::AsmLexer::getMAI ( ) const

inline

Definition at line 52 of file AsmLexer.h.

Referenced by parseHexOcta().

LexToken()

AsmToken AsmLexer::LexToken ( )

overrideprotectedvirtual

LexToken - Read the next token and return its code.

Implements llvm::MCAsmLexer.

Definition at line 549 of file AsmLexer.cpp.

References llvm::AsmToken::Amp, llvm::AsmToken::AmpAmp, llvm::AsmToken::At, llvm::AsmToken::BackSlash, llvm::AsmToken::Caret, llvm::AsmToken::Colon, llvm::AsmToken::Comma, llvm::Default, llvm::AsmToken::Dollar, llvm::StringRef::end(), llvm::AsmToken::EndOfStatement, llvm::AsmToken::Eof, llvm::AsmToken::Equal, llvm::AsmToken::EqualEqual, llvm::AsmToken::Exclaim, llvm::AsmToken::ExclaimEqual, llvm::MCAsmInfo::getSeparatorString(), llvm::AsmToken::Greater, llvm::AsmToken::GreaterEqual, llvm::AsmToken::GreaterGreater, llvm::AsmToken::Hash, llvm::AsmToken::HashDirective, llvm::MCAsmInfo::hasMipsExpressions(), llvm::AsmToken::Integer, llvm::MCAsmLexer::is(), llvm::AsmToken::LBrac, llvm::AsmToken::LCurly, llvm::AsmToken::Less, llvm::AsmToken::LessEqual, llvm::AsmToken::LessGreater, llvm::AsmToken::LessLess, llvm::AsmToken::LParen, llvm::AsmToken::Minus, llvm::AsmToken::MinusGreater, peekTokens(), llvm::AsmToken::Percent, llvm::AsmToken::PercentCall16, llvm::AsmToken::PercentCall_Hi, llvm::AsmToken::PercentCall_Lo, llvm::AsmToken::PercentDtprel_Hi, llvm::AsmToken::PercentDtprel_Lo, llvm::AsmToken::PercentGot, llvm::AsmToken::PercentGot_Disp, llvm::AsmToken::PercentGot_Hi, llvm::AsmToken::PercentGot_Lo, llvm::AsmToken::PercentGot_Ofst, llvm::AsmToken::PercentGot_Page, llvm::AsmToken::PercentGottprel, llvm::AsmToken::PercentGp_Rel, llvm::AsmToken::PercentHi, llvm::AsmToken::PercentHigher, llvm::AsmToken::PercentHighest, llvm::AsmToken::PercentLo, llvm::AsmToken::PercentNeg, llvm::AsmToken::PercentPcrel_Hi, llvm::AsmToken::PercentPcrel_Lo, llvm::AsmToken::PercentTlsgd, llvm::AsmToken::PercentTlsldm, llvm::AsmToken::PercentTprel_Hi, llvm::AsmToken::PercentTprel_Lo, llvm::AsmToken::Pipe, llvm::AsmToken::PipePipe, llvm::AsmToken::Plus, llvm::AsmToken::RBrac, llvm::AsmToken::RCurly, llvm::AsmToken::RParen, llvm::MCAsmLexer::SkipSpace, llvm::AsmToken::Space, llvm::AsmToken::Star, llvm::AsmToken::String, llvm::AsmToken::Tilde, llvm::MCAsmLexer::TokStart, and llvm::MCAsmLexer::UnLex().

Referenced by peekTokens().

LexUntilEndOfStatement()

StringRef AsmLexer::LexUntilEndOfStatement ( )

overridevirtual

Implements llvm::MCAsmLexer.

Definition at line 486 of file AsmLexer.cpp.

References llvm::StringRef::end(), and llvm::MCAsmLexer::TokStart.

operator=()

AsmLexer& llvm::AsmLexer::operator= ( const AsmLexer &  )

delete

peekTokens()

size_t AsmLexer::peekTokens ( MutableArrayRef< AsmToken >  Buf, bool  ShouldSkipSpace = true  )

overridevirtual

Look ahead an arbitrary number of tokens.

Implements llvm::MCAsmLexer.

Definition at line 506 of file AsmLexer.cpp.

References llvm::StringRef::data(), llvm::AsmToken::Eof, llvm::MCAsmInfo::getCommentString(), llvm::MCAsmLexer::getErr(), llvm::MCAsmLexer::getErrLoc(), llvm::MCAsmInfo::getSeparatorString(), llvm::AsmToken::is(), LexToken(), llvm::MCAsmLexer::SetError(), llvm::StringRef::size(), llvm::ArrayRef< T >::size(), llvm::MCAsmLexer::SkipSpace, and llvm::MCAsmLexer::TokStart.

Referenced by isOperator(), and LexToken().

setBuffer()

void AsmLexer::setBuffer	(	StringRef	Buf,
		const char *	ptr = nullptr
	)

Definition at line 40 of file AsmLexer.cpp.

References assert(), llvm::StringRef::begin(), llvm::StringRef::end(), llvm::AsmToken::Error, llvm::SMLoc::getFromPointer(), llvm::isDigit(), llvm::isHexDigit(), llvm::AsmToken::Real, llvm::MCAsmLexer::SetError(), and llvm::MCAsmLexer::TokStart.

Referenced by isOperator().

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The documentation for this class was generated from the following files:

• include/llvm/MC/MCParser/AsmLexer.h
• lib/MC/MCParser/AsmLexer.cpp