Generic assembler lexer interface, for use by target specific assembly lexers. More...

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

Inheritance diagram for llvm::MCAsmLexer:

Collaboration diagram for llvm::MCAsmLexer:

Public Member Functions
	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 ()

virtual StringRef	LexUntilEndOfStatement ()=0

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...

virtual size_t	peekTokens (MutableArrayRef< AsmToken > Buf, bool ShouldSkipSpace=true)=0
	Look ahead an arbitrary number of tokens. 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
	MCAsmLexer ()

virtual AsmToken	LexToken ()=0

void	SetError (SMLoc errLoc, const std::string &err)

Protected Attributes
const char *	TokStart = nullptr

bool	SkipSpace = true

bool	AllowAtInIdentifier

bool	IsAtStartOfStatement = true

bool	LexMasmIntegers = false

AsmCommentConsumer *	CommentConsumer = nullptr

Detailed Description

Generic assembler lexer interface, for use by target specific assembly lexers.

Definition at line 40 of file MCAsmLexer.h.

Constructor & Destructor Documentation

◆ MCAsmLexer() [1/2]

MCAsmLexer::MCAsmLexer ( )

protected

Definition at line 18 of file MCAsmLexer.cpp.

References llvm::AsmToken::Space, and ~MCAsmLexer().

◆ MCAsmLexer() [2/2]

llvm::MCAsmLexer::MCAsmLexer ( const MCAsmLexer & )

delete

◆ ~MCAsmLexer()

MCAsmLexer::~MCAsmLexer ( )

virtualdefault

Referenced by MCAsmLexer().

Member Function Documentation

◆ getAllowAtInIdentifier()

bool llvm::MCAsmLexer::getAllowAtInIdentifier ( )

inline

Definition at line 144 of file MCAsmLexer.h.

Referenced by parseSectionFlags().

◆ getErr()

const std::string& llvm::MCAsmLexer::getErr ( )

inline

Get the current error string.

Definition at line 128 of file MCAsmLexer.h.

Referenced by parseHexOcta(), and llvm::AsmLexer::peekTokens().

◆ getErrLoc()

SMLoc llvm::MCAsmLexer::getErrLoc ( )

inline

Get the current error location.

Definition at line 123 of file MCAsmLexer.h.

Referenced by llvm::AsmLexer::peekTokens().

◆ getKind()

AsmToken::TokenKind llvm::MCAsmLexer::getKind ( ) const

inline

Get the kind of current token.

Definition at line 133 of file MCAsmLexer.h.

Referenced by altMacroString(), getGNUBinOpPrecedence(), and isOperator().

◆ getLoc()

SMLoc MCAsmLexer::getLoc ( ) const

Get the current source location.

Definition at line 24 of file MCAsmLexer.cpp.

References llvm::SMLoc::getFromPointer(), and TokStart.

Referenced by altMacroString(), getGNUBinOpPrecedence(), llvm::AsmToken::getLocRange(), isOperator(), isValidEncoding(), parseHexOcta(), and RefineErrorLoc().

◆ getTok()

const AsmToken& llvm::MCAsmLexer::getTok ( ) const

inline

Get the current (last) lexed token.

Definition at line 101 of file MCAsmLexer.h.

Referenced by llvm::MCAsmParser::getTok(), and isOperator().

◆ is()

bool llvm::MCAsmLexer::is ( AsmToken::TokenKind K ) const

inline

Check if the current token has kind K.

Definition at line 136 of file MCAsmLexer.h.

Referenced by getGNUBinOpPrecedence(), isOperator(), isValidEncoding(), llvm::AsmLexer::LexToken(), parseHexOcta(), parseSectionFlags(), and RefineErrorLoc().

◆ isAtStartOfStatement()

bool llvm::MCAsmLexer::isAtStartOfStatement ( )

inline

Definition at line 93 of file MCAsmLexer.h.

◆ isNot()

bool llvm::MCAsmLexer::isNot ( AsmToken::TokenKind K ) const

inline

Check if the current token has kind K.

Definition at line 139 of file MCAsmLexer.h.

Referenced by altMacroString(), getGNUBinOpPrecedence(), hasPrefix(), isOperator(), parseHexOcta(), parseSectionFlags(), and RefineErrorLoc().

◆ Lex()

const AsmToken& llvm::MCAsmLexer::Lex ( )

inline

Consume the next token from the input stream and return it.

The lexer will continuously return the end-of-file token once the end of the main input file has been reached.

Definition at line 74 of file MCAsmLexer.h.

References assert(), llvm::SmallVectorTemplateCommon< T >::begin(), llvm::SmallVectorBase::empty(), llvm::AsmToken::EndOfStatement, llvm::SmallVectorImpl< T >::erase(), llvm::SmallVectorTemplateCommon< T >::front(), llvm::SmallVectorImpl< T >::insert(), and T.

Referenced by llvm::MCAsmParser::Error(), getGNUBinOpPrecedence(), isOperator(), isValidEncoding(), and parseHexOcta().

◆ LexToken()

virtual AsmToken llvm::MCAsmLexer::LexToken ( )

protectedpure virtual

Implemented in llvm::AsmLexer.

◆ LexUntilEndOfStatement()

virtual StringRef llvm::MCAsmLexer::LexUntilEndOfStatement ( )

pure virtual

Implemented in llvm::AsmLexer.

◆ operator=()

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

delete

◆ peekTok()

const AsmToken llvm::MCAsmLexer::peekTok ( bool ShouldSkipSpace = true )

inline

Look ahead at the next token to be lexed.

Definition at line 106 of file MCAsmLexer.h.

References assert().

Referenced by isOperator(), and RefineErrorLoc().

◆ peekTokens()

virtual size_t llvm::MCAsmLexer::peekTokens	(	MutableArrayRef< AsmToken >	Buf,
		bool	ShouldSkipSpace = `true`
	)

pure virtual

Look ahead an arbitrary number of tokens.

Implemented in llvm::AsmLexer.

◆ setAllowAtInIdentifier()

void llvm::MCAsmLexer::setAllowAtInIdentifier ( bool v )

inline

Definition at line 145 of file MCAsmLexer.h.

◆ setCommentConsumer()

void llvm::MCAsmLexer::setCommentConsumer ( AsmCommentConsumer * CommentConsumer )

inline

Definition at line 147 of file MCAsmLexer.h.

◆ SetError()

void llvm::MCAsmLexer::SetError	(	SMLoc	errLoc,
		const std::string &	err
	)

inlineprotected

Definition at line 60 of file MCAsmLexer.h.

Referenced by llvm::AsmLexer::peekTokens(), and llvm::AsmLexer::setBuffer().

◆ setLexMasmIntegers()

void llvm::MCAsmLexer::setLexMasmIntegers ( bool V )

inline

Set whether to lex masm-style binary and hex literals.

They look like 0b1101 and 0ABCh respectively.

Definition at line 153 of file MCAsmLexer.h.

◆ setSkipSpace()

void llvm::MCAsmLexer::setSkipSpace ( bool val )

inline

Set whether spaces should be ignored by the lexer.

Definition at line 142 of file MCAsmLexer.h.

Referenced by isOperator().

◆ UnLex()

void llvm::MCAsmLexer::UnLex ( AsmToken const & Token )

inline

Definition at line 88 of file MCAsmLexer.h.

References llvm::SmallVectorTemplateCommon< T >::begin(), and llvm::SmallVectorImpl< T >::insert().

Referenced by getGNUBinOpPrecedence(), and llvm::AsmLexer::LexToken().

Member Data Documentation

◆ AllowAtInIdentifier

bool llvm::MCAsmLexer::AllowAtInIdentifier

protected

Definition at line 51 of file MCAsmLexer.h.

Referenced by llvm::AsmLexer::AsmLexer(), and IsIdentifierChar().

◆ CommentConsumer

AsmCommentConsumer* llvm::MCAsmLexer::CommentConsumer = nullptr

protected

Definition at line 54 of file MCAsmLexer.h.

Referenced by IsIdentifierChar().

◆ IsAtStartOfStatement

bool llvm::MCAsmLexer::IsAtStartOfStatement = true

protected

Definition at line 52 of file MCAsmLexer.h.

◆ LexMasmIntegers

bool llvm::MCAsmLexer::LexMasmIntegers = false

protected

Definition at line 53 of file MCAsmLexer.h.

Referenced by intToken().

◆ SkipSpace

bool llvm::MCAsmLexer::SkipSpace = true

protected

Definition at line 50 of file MCAsmLexer.h.

Referenced by llvm::AsmLexer::LexToken(), and llvm::AsmLexer::peekTokens().

◆ TokStart

const char* llvm::MCAsmLexer::TokStart = nullptr

protected

Definition at line 49 of file MCAsmLexer.h.

Referenced by getLoc(), intToken(), IsIdentifierChar(), llvm::AsmLexer::LexToken(), llvm::AsmLexer::LexUntilEndOfStatement(), llvm::AsmLexer::peekTokens(), and llvm::AsmLexer::setBuffer().

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

include/llvm/MC/MCParser/MCAsmLexer.h
lib/MC/MCParser/MCAsmLexer.cpp

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ MCAsmLexer() [1/2]

◆ MCAsmLexer() [2/2]

◆ ~MCAsmLexer()

Member Function Documentation

◆ getAllowAtInIdentifier()

◆ getErr()

◆ getErrLoc()

◆ getKind()

◆ getLoc()

◆ getTok()

◆ is()

◆ isAtStartOfStatement()

◆ isNot()

◆ Lex()

◆ LexToken()

◆ LexUntilEndOfStatement()

◆ operator=()

◆ peekTok()

◆ peekTokens()

◆ setAllowAtInIdentifier()

◆ setCommentConsumer()

◆ SetError()

◆ setLexMasmIntegers()

◆ setSkipSpace()

◆ UnLex()

Member Data Documentation

◆ AllowAtInIdentifier

◆ CommentConsumer

◆ IsAtStartOfStatement

◆ LexMasmIntegers

◆ SkipSpace

◆ TokStart