moot::wasteScanner Class Reference

Low-level class for raw text scanning. More...

Inheritance diagram for moot::wasteScanner:

Collaboration diagram for moot::wasteScanner:

Public Member Functions
Constructors etc.
	wasteScanner (const std::string &myname="wasteScanner", size_t line=0, size_t column=0, mootio::ByteOffset byte=0, size_t init_bufsize=GenericLexer::MGL_DEFAULT_BUFFER_SIZE)
virtual	~wasteScanner ()
Required Wrapper Methods (from GenericLexer)
virtual void *	mgl_yy_create_buffer (int size, FILE *unused=stdin)
virtual void	mgl_yy_switch_to_buffer (void *buf)
virtual void	mgl_yy_init_buffer (void *buf, FILE *unused=stdin)
mootWasteScanner's real funcionalities
int	yylex ()
std::string	yytext ()
int	yyleng ()
bool	fill (size_t n)
virtual void	reset ()
virtual void	from_mstream (mootio::mistream *in)
Public Member Functions inherited from moot::GenericLexer
	GenericLexer (const std::string &myname="moot::GenericLexer", size_t line=0, size_t column=0, mootio::ByteOffset byte=0)
virtual	~GenericLexer (void)
virtual void	clear (bool clear_input=true, bool clear_output=true)
virtual void *	mgl_yy_current_buffer_p (void)
virtual void	mgl_begin (int stateno)
virtual void	mgl_yy_delete_buffer (void *buf)
virtual void	from_filename (const std::string &filename)
virtual void	from_file (FILE *in=stdin)
virtual void	from_buffer (const char *buf, size_t len)
void	from_string (const char *s)
void	from_string (const std::string &s)
void	select_streams (FILE *in, FILE *out=stdout, const char *myname=__null)
void	select_string (const char *in, FILE *out=stderr, const char *myname=__null)
virtual void	to_mstream (mootio::mostream *out=__null)
virtual void	to_filename (const std::string &filename)
virtual void	to_file (FILE *out=stdout)
int	yyinput (char *buffer, int &result, int max_size)
void	tokbuf_append (const char *text, size_t len)
void	add_columns (ByteOffset len)
void	add_lines (ByteOffset len=1)
virtual void	yycarp (const char *fmt,...)

Public Attributes
Low-level data
char *	yybuffer
char *	yycursor
char *	yylimit
char *	yytoken
char *	yymarker
size_t	buffer_size
Public Attributes inherited from moot::GenericLexer
mootio::mistream *	mglin
mootio::mostream *	mglout
bool	mgl_in_created
bool	mgl_out_created
size_t	theLine
size_t	theColumn
mootio::ByteOffset	theByte
std::string	lexname
std::string	tokbuf
bool	tokbuf_clear

Additional Inherited Members
Static Public Attributes inherited from moot::GenericLexer
static const int	MGL_DEFAULT_BUFFER_SIZE = 16384

Detailed Description

Todo:

fix column counting

Constructor & Destructor Documentation

wasteScanner()

moot::wasteScanner::wasteScanner	(	const std::string &	myname = "wasteScanner",
		size_t	line = 0,
		size_t	column = 0,
		mootio::ByteOffset	byte = 0,
		size_t	init_bufsize = GenericLexer::MGL_DEFAULT_BUFFER_SIZE
	)

Default constructor

~wasteScanner()

virtual moot::wasteScanner::~wasteScanner ( )

virtual

Destructor

Member Function Documentation

mgl_yy_create_buffer()

virtual void* moot::wasteScanner::mgl_yy_create_buffer ( int  size, FILE *  unused = stdin  )

inlinevirtual

All other moot lexers are based on flex. Dummy implementation.

Implements moot::GenericLexer.

References moot::GenericLexer::yycarp().

mgl_yy_switch_to_buffer()

virtual void moot::wasteScanner::mgl_yy_switch_to_buffer ( void *  buf )

inlinevirtual

All other moot lexers are based on flex. Dummy implementation.

Implements moot::GenericLexer.

References moot::GenericLexer::yycarp().

mgl_yy_init_buffer()

virtual void moot::wasteScanner::mgl_yy_init_buffer ( void *  buf, FILE *  unused = stdin  )

inlinevirtual

All other moot lexers are based on flex. Dummy implementation.

Implements moot::GenericLexer.

References moot::GenericLexer::yycarp(), and yylex().

yylex()

int moot::wasteScanner::yylex

(

)

yylex () (from wasteScannerScan.re.skel)

Referenced by mgl_yy_init_buffer().

yytext()

std::string moot::wasteScanner::yytext ( )

inline

Returns contents of the current segment.

References yyleng().

yyleng()

int moot::wasteScanner::yyleng ( )

inline

Returns length of the current segment.

References fill(), from_mstream(), and reset().

Referenced by yytext().

fill()

bool moot::wasteScanner::fill

(

size_t

n

)

Grabs new characters from input stream, called by yylex.

Referenced by yyleng().

reset()

virtual void moot::wasteScanner::reset ( )

virtual

Resets scanner to initial state

Reimplemented from moot::GenericLexer.

Referenced by yyleng().

from_mstream()

virtual void moot::wasteScanner::from_mstream ( mootio::mistream *  in )

virtual

Switches input source

Reimplemented from moot::GenericLexer.

Referenced by yyleng().

Member Data Documentation

yybuffer

char* moot::wasteScanner::yybuffer

used for token-buffering

yycursor

char* moot::wasteScanner::yycursor

current position in buffer

yylimit

char* moot::wasteScanner::yylimit

end of buffer content

yytoken

char* moot::wasteScanner::yytoken

beginning of current token

yymarker

char* moot::wasteScanner::yymarker

last matching position

buffer_size

size_t moot::wasteScanner::buffer_size

current allocated length of yybuffer

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

• wasteScanner.h