_t = __t579;
_t = __t584;
	public final void definestreamstate(AST _t) throws RecognitionException {				AST definestreamstate_AST_in = (_t == ASTNULL) ? null : (AST)_t;		AST def = null;		AST id = null;				AST __t579 = _t;		def = _t==ASTNULL ? null :(AST)_t;		match(_t,DEFINE);		_t = _t.getFirstChild();		{		if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case NEW:		case SHARED:		{			def_shared(_t);			_t = _retTree;			break;		}		case PRIVATE:		case PUBLIC:		case STREAM:		case PROTECTED:		{			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		}		{		if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case PRIVATE:		case PUBLIC:		case PROTECTED:		{			def_visib(_t);			_t = _retTree;			break;		}		case STREAM:		{			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		}		AST tmp1181_AST_in = (AST)_t;		match(_t,STREAM);		_t = _t.getNextSibling();		id = (AST)_t;		match(_t,ID);		_t = _t.getNextSibling();		state_end(_t);		_t = _retTree;		_t = __t579;		_t = _t.getNextSibling();		if ( inputState.guessing==0 ) {			action.addToSymbolScope(action.defineSymbol(STREAM, def, id));		}		_retTree = _t;	}