C-style floating point literals. More...

#include <cc/FloatSyntax>

Inheritance diagram for FloatSyntax:

Public Member Functions
	FloatSyntax ()
	Get an instance of this syntax definition.

void	read (Out< double > value, const String &text, const Token &token) const
	Read a floating point literal.

Token	read (Out< double > value, const String &text, double offset) const
	Read a floating point literal.

Public Member Functions inherited from SyntaxDefinition
	SyntaxDefinition ()=default
	Create a null syntax definition.

	SyntaxDefinition (const SyntaxRule *entry)
	Create a new syntax definition.

Token	match (const String &text, long offset=0) const
	Match this syntax definition against text starting at offset

Token	parse (const String &text, long offset=0) const
	Match this syntax definition against text starting at offset

Token	findIn (const String &text, long offset=0) const
	Find the next occurance of this pattern in text starting from offset.

List< String >	breakUp (const String &text) const
	Break up text into the non-matching parts.

	operator SyntaxRule () const
	Allow use this definition as a syntax rule within another definition.

SyntaxRule	entry () const
	Get the entry rule of this definition.

Public Member Functions inherited from Object
	Object ()=default
	Create a null object.

	operator bool () const
	Check if this is a non-null object.

bool	isNull () const
	Check if this is a null object.

template<class T >
bool	is () const
	Check if this object is of type T.

template<class T >
T	as () const
	Cast this object to type T.

bool	isWeak () const
	Check if the underlying object reference is weak.

bool	operator== (const Object &other) const
	Equality operator.

std::strong_ordering	operator<=> (const Object &other) const
	Ordering operator.

long	useCount () const
	Reference count.

Additional Inherited Members
Public Types inherited from SyntaxDefinition
using	SyntaxNode = syntax::SyntaxNode

using	SyntaxRule = cc::SyntaxRule
	Syntactic rule within a syntax definition.

using	VoidRule = syntax::VoidRule
	Syntax rule which does not produce any token.

Protected Member Functions inherited from SyntaxDefinition
	SyntaxDefinition (State *newState)

State &	me ()

const State &	me () const

Protected Member Functions inherited from Object
template<class T >
T	weak () const

template<class T >
void	initOnce ()
	Create the object state when called the first time.

template<class T >
void	initOncePerThread ()
	Create a distinct object state for each thread when called the first time in that thread.

	Object (State *newState)
	Initialize object with newState.

	Object (State *state, Alias)

	Object (State *state, Weak)

Object &	operator= (std::nullptr_t)

Static Protected Member Functions inherited from Object
template<class T >
static T	alias (const State *state)
	Create an alias object for the given state.

template<class T >
static T	weak (const State *state)

Protected Attributes inherited from Object
Handle< State >	me
	Internal object state

Detailed Description

C-style floating point literals.

See also: readNumber()

Constructor & Destructor Documentation

◆ FloatSyntax()

FloatSyntax ( )

Get an instance of this syntax definition.

Member Function Documentation

◆ read() [1/2]

void read	(	Out< double >	value,
		const String &	text,
		const Token &	token ) const

Read a floating point literal.

Parameters

value	Returns the value
text	The text to read
token	Production generated from this definition

◆ read() [2/2]

Token read	(	Out< double >	value,
		const String &	text,
		double	offset ) const