VFlexLexer Class Reference

List of all members.

---

Detailed Description

FlexLexer wrapper which catches lexical errors

Note:

NVI

Definition at line 41 of file vscan.cc.

Public Member Functions
	VFlexLexer (std::istream &stream, 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 *)
	override default error behavior
Private Attributes
string	fileName_
	name (or alias) of input file
bool	hasError_
	true if any error has been detected

---

Constructor & Destructor Documentation

VFlexLexer	(	std::istream &	stream,
		string	fileName
	)			[inline]

Definition at line 43 of file vscan.cc.

---

Member Function Documentation

bool hasError

(

)

const [inline]

Return true if already read source is not lexically valid.

Definition at line 50 of file vscan.cc.

References hasError_.

Referenced by FlexVScan::hasError().

Here is the caller graph for this function:

EToken readNext

(

)

[inline]

NVI equivalent of virtual method yylex.

Definition at line 54 of file vscan.cc.

Referenced by FlexVScan::readNext().

Here is the caller graph for this function:

void postError

(

const char *

msg

)

[inline]

NVI equivalent of virtual method LexerError.

Definition at line 59 of file vscan.cc.

References LexerError().

Referenced by FlexVScan::readNext().

Here is the call graph for this function:

Here is the caller graph for this function:

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

override default output behavior

Definition at line 64 of file vscan.cc.

References LexerError().

Here is the call graph for this function:

virtual void LexerError

(

const char *

)

[inline, protected, virtual]

override default error behavior

Definition at line 77 of file vscan.cc.

Referenced by LexerOutput(), and postError().

Here is the caller graph for this function:

---

Member Data Documentation

string fileName_ [private]

name (or alias) of input file

Definition at line 80 of file vscan.cc.

bool hasError_ [private]

true if any error has been detected

Definition at line 81 of file vscan.cc.

Referenced by hasError().

---

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

• vscan.cc

---