PrivateFlexLexer Class Reference

Collaboration diagram for PrivateFlexLexer:

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List of all members.

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Detailed Description

FlexLexer wrapper which catches lexical errors

Note:

NVI

Definition at line 41 of file scanner.cc.

Public Member Functions
	PrivateFlexLexer (ICharReader *reader, string fileName)
bool	hasError () const
	Return true if already read source is not lexically valid.
EToken	readNext ()
	NVI equivalent of virtual method yylex.
void	postError (const char *msg)
	NVI equivalent of virtual method LexerError.
Protected Member Functions
virtual void	LexerOutput (const char *buf, int size)
	override default output behavior
virtual void	LexerError (const char *msg)
	override default error behavior
Private Attributes
ICharReader *	reader_
	instance of reader
string	fileName_
	name (or alias) of input file
bool	hasError_
	true if any error has been detected

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Constructor & Destructor Documentation

PrivateFlexLexer	(	ICharReader *	reader,
		string	fileName
	)			[inline]

Definition at line 43 of file scanner.cc.

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Member Function Documentation

bool hasError

(

)

const [inline]

Return true if already read source is not lexically valid.

Definition at line 56 of file scanner.cc.

References hasError_.

Referenced by FlexScanner::hasError().

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EToken readNext

(

)

[inline]

NVI equivalent of virtual method yylex.

Definition at line 60 of file scanner.cc.

Referenced by FlexScanner::readNext().

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void postError

(

const char *

msg

)

[inline]

NVI equivalent of virtual method LexerError.

Definition at line 68 of file scanner.cc.

References LexerError().

Referenced by FlexScanner::readNext().

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virtual void LexerOutput	(	const char *	buf,
		int	size
	)			[inline, protected, virtual]

override default output behavior

Definition at line 73 of file scanner.cc.

References LexerError().

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virtual void LexerError

(

const char *

msg

)

[inline, protected, virtual]

override default error behavior

Definition at line 78 of file scanner.cc.

References StreamDecorator::E_ERROR, fileName_, and hasError_.

Referenced by LexerOutput(), and postError().

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Member Data Documentation

ICharReader* reader_ [private]

instance of reader

Definition at line 93 of file scanner.cc.

string fileName_ [private]

name (or alias) of input file

Definition at line 94 of file scanner.cc.

Referenced by LexerError().

bool hasError_ [private]

true if any error has been detected

Definition at line 95 of file scanner.cc.

Referenced by hasError(), and LexerError().

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

• scanner.cc

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