Puma::TokenProvider Class Reference

#include <Puma/TokenProvider.h>

List of all members.

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Detailed Description

Reads tokens from a token source.

Supports unlimited look ahead. A token source can be a file, a string, a token preprocessor, and so on.

Public Types
typedef TokenStore::Iterator	State
	Read position.
Public Member Functions
	TokenProvider (PumaTokenSource &s)
	Constructor.
PumaTokenSource &	source () const
	Get the token source object.
Token *	next ()
	Read the next token from the token source.
Token *	current () const
	Get the last token read from the token source.
State	get_state ()
	Get the current read position.
void	set_state (State restored_pos)
	Restore the read position.

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Member Typedef Documentation

typedef TokenStore::Iterator Puma::TokenProvider::State

Read position.

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Constructor & Destructor Documentation

Puma::TokenProvider::TokenProvider

(

PumaTokenSource &

s

)

[inline]

Constructor.

Parameters:

s

The token source from which to read the tokens.

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Member Function Documentation

PumaTokenSource& Puma::TokenProvider::source

(

)

const [inline]

Get the token source object.

Token* Puma::TokenProvider::next

(

)

[inline]

Read the next token from the token source.

Token* Puma::TokenProvider::current

(

)

const [inline]

Get the last token read from the token source.

State Puma::TokenProvider::get_state

(

)

[inline]

Get the current read position.

void Puma::TokenProvider::set_state

(

State

restored_pos

)

[inline]

Restore the read position.

Parameters:

restored_pos

The new read position.