rostlab::blast::parser Class Reference

A Bison parser. More...

#include <blast-parser-parser.h>

Classes
struct	basic_symbol
struct	by_type
	Type access provider for token (enum) based symbols. More...
union	semantic_type
	Symbol semantic values. More...
struct	symbol_type
	"External" symbols: returned by the scanner. More...
struct	syntax_error
	Syntax errors thrown from user actions. More...
struct	token
	Tokens. More...

Public Types
enum	{ empty_symbol = -2 }
	The symbol type number to denote an empty symbol. More...
typedef location	location_type
	Symbol locations. More...
typedef token::yytokentype	token_type
	(External) token type, as returned by yylex. More...
typedef int	symbol_number_type
	Symbol type: an internal symbol number. More...
typedef signed char	token_number_type
	Internal symbol number for tokens (subsumed by symbol_number_type). More...
typedef int	debug_level_type
	Type for debugging levels. More...

Public Member Functions
	parser (rostlab::blast::parser_driver &drv_yyarg, void *yyscanner_yyarg)
	Build a parser object. More...
virtual	~parser ()
int	operator() ()
virtual int	parse ()
std::ostream &	debug_stream () const YY_ATTRIBUTE_PURE
	The current debugging stream. More...
void	set_debug_stream (std::ostream &)
	Set the current debugging stream. More...
debug_level_type	debug_level () const YY_ATTRIBUTE_PURE
	The current debugging level. More...
void	set_debug_level (debug_level_type l)
	Set the current debugging level. More...
virtual void	error (const location_type &loc, const std::string &msg)
void	error (const syntax_error &err)
	Report a syntax error. More...

Detailed Description

A Bison parser.

Definition at line 189 of file blast-parser-parser.h.

Member Typedef Documentation

debug_level_type

typedef int rostlab::blast::parser::debug_level_type

Type for debugging levels.

Definition at line 399 of file blast-parser-parser.h.

location_type

typedef location rostlab::blast::parser::location_type

Symbol locations.

Definition at line 209 of file blast-parser-parser.h.

symbol_number_type

typedef int rostlab::blast::parser::symbol_number_type

Symbol type: an internal symbol number.

Definition at line 267 of file blast-parser-parser.h.

token_number_type

typedef signed char rostlab::blast::parser::token_number_type

Internal symbol number for tokens (subsumed by symbol_number_type).

Definition at line 273 of file blast-parser-parser.h.

token_type

typedef token::yytokentype rostlab::blast::parser::token_type

(External) token type, as returned by yylex.

Definition at line 264 of file blast-parser-parser.h.

Member Enumeration Documentation

anonymous enum

anonymous enum

The symbol type number to denote an empty symbol.

Enumerator
empty_symbol

Definition at line 270 of file blast-parser-parser.h.

Constructor & Destructor Documentation

parser()

rostlab::blast::parser::parser	(	rostlab::blast::parser_driver &	drv_yyarg,
		void *	yyscanner_yyarg
	)

Build a parser object.

~parser()

virtual rostlab::blast::parser::~parser ( )

virtual

Member Function Documentation

debug_level()

debug_level_type rostlab::blast::parser::debug_level

(

)

const

The current debugging level.

debug_stream()

std::ostream& rostlab::blast::parser::debug_stream

(

)

const

The current debugging stream.

error() [1/2]

virtual void rostlab::blast::parser::error ( const location_type &  loc, const std::string &  msg  )

virtual

Report a syntax error.

Parameters

loc	where the syntax error is found.
msg	a description of the syntax error.

error() [2/2]

void rostlab::blast::parser::error

(

const syntax_error &

err

)

Report a syntax error.

operator()()

int rostlab::blast::parser::operator()

(

)

Parse. An alias for parse ().

Returns

0 iff parsing succeeded.

parse()

virtual int rostlab::blast::parser::parse ( )

virtual

Parse.

Returns

0 iff parsing succeeded.

set_debug_level()

void rostlab::blast::parser::set_debug_level

(

debug_level_type

l

)

Set the current debugging level.

set_debug_stream()

void rostlab::blast::parser::set_debug_stream

(

std::ostream &

)

Set the current debugging stream.

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

• rostlab/blast-parser-parser.h