Description

Provides token infos (token pointer + context) from a syntax tree.

The context is set to the syntax tree node in which the token was found.

Public Member Functions
	InstantiationTokenProvider (InstantiationTokenSource &s)
	Constructor.

Public Member Functions inherited from Puma::TokenProvider
	TokenProvider (TokenSource &s)
	Constructor.

virtual	~TokenProvider ()
	Destructor.

void	init ()
	Initialize the token provider by reading the first token.

TokenSource &	source () const
	Get the token source.

Token *	next ()
	Read the next token from the token source.

Token *	current () const
	Get the last token read from the token source.

void *	current_context () const
	Get the context information for the current token.

State	get_state ()
	Get the current read position.

void	set_state (State restored_pos)
	Restore the read position.

Protected Member Functions
virtual TokenInfo	read ()
	Read next token info.

Protected Member Functions inherited from Puma::TokenProvider
Token *	token () const
	Get the current token.

Additional Inherited Members
Public Types inherited from Puma::TokenProvider
typedef TokenStore::Iterator	State
	Read position.

Protected Types inherited from Puma::TokenProvider
typedef BCList< TokenInfo, 8192 >	TokenStore

Protected Attributes inherited from Puma::TokenProvider
TokenSource &	_source

TokenStore	_tokens

TokenStore::Iterator	_read_pos

Constructor & Destructor Documentation

Puma::InstantiationTokenProvider::InstantiationTokenProvider ( InstantiationTokenSource & s )

inline

Constructor.

Parameters

s	The token source from which to read the tokens.

virtual TokenInfo Puma::InstantiationTokenProvider::read ( )

protectedvirtual