caf::parser_state< Iterator, Sentinel > Struct Template Reference

Stores all information necessary for implementing an FSM-based parser. More...

#include <parser_state.hpp>

Collaboration diagram for caf::parser_state< Iterator, Sentinel >:

Public Member Functions
	parser_state (Iterator first) noexcept
	parser_state (Iterator first, Sentinel last) noexcept
	parser_state (const parser_state &) noexcept=default
parser_state &	operator= (const parser_state &) noexcept=default
char	next () noexcept
	Returns the null terminator when reaching the end of the string, otherwise the next character. More...
char	current () const noexcept
	Returns the null terminator if i == e, otherwise the current character.
bool	at_end () const noexcept
	Checks whether i == e.
void	skip_whitespaces () noexcept
	Skips any whitespaces characters in the input.
bool	consume (char x) noexcept
	Tries to read x as the next character, automatically skipping leading whitespaces. More...
template<class Predicate >
bool	consume_if (Predicate predicate) noexcept
	Consumes the next character if it satisfies given predicate, automatically skipping leading whitespaces. More...
bool	consume_strict (char x) noexcept
	Tries to read x as the next character without automatically skipping leading whitespaces. More...
template<class Predicate >
bool	consume_strict_if (Predicate predicate) noexcept
	Consumes the next character if it satisfies given predicate without automatically skipping leading whitespaces. More...

Public Attributes
Iterator	i
	Current position of the parser.
Sentinel	e
	End-of-input marker.
pec	code
	Current state of the parser.
int32_t	line
	Current line in the input.
int32_t	column
	Position in the current line.

Detailed Description

template<class Iterator, class Sentinel>
struct caf::parser_state< Iterator, Sentinel >

Stores all information necessary for implementing an FSM-based parser.

Member Function Documentation

consume()

template<class Iterator , class Sentinel >

bool caf::parser_state< Iterator, Sentinel >::consume ( char  x )

noexcept

Tries to read x as the next character, automatically skipping leading whitespaces.

consume_if()

template<class Iterator , class Sentinel >

template<class Predicate >

bool caf::parser_state< Iterator, Sentinel >::consume_if ( Predicate  predicate )

noexcept

Consumes the next character if it satisfies given predicate, automatically skipping leading whitespaces.

consume_strict()

template<class Iterator , class Sentinel >

bool caf::parser_state< Iterator, Sentinel >::consume_strict ( char  x )

noexcept

Tries to read x as the next character without automatically skipping leading whitespaces.

consume_strict_if()

template<class Iterator , class Sentinel >

template<class Predicate >

bool caf::parser_state< Iterator, Sentinel >::consume_strict_if ( Predicate  predicate )

noexcept

Consumes the next character if it satisfies given predicate without automatically skipping leading whitespaces.

next()

template<class Iterator , class Sentinel >

char caf::parser_state< Iterator, Sentinel >::next ( )

noexcept

Returns the null terminator when reaching the end of the string, otherwise the next character.

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

• libcaf_core/caf/fwd.hpp
• libcaf_core/caf/parser_state.hpp