Method eval

src/bsh/BSHCastExpression.java:43–62

@return the result of the cast.

(
		CallStack callstack, Interpreter interpreter )

		@return the result of the cast.
	*/
	public Object eval(
		CallStack callstack, Interpreter interpreter ) throws EvalError
    {
		NameSpace namespace = callstack.top();
        Class toType = ((BSHType)jjtGetChild(0)).getType( 
			callstack, interpreter );
		SimpleNode expression = (SimpleNode)jjtGetChild(1);

        // evaluate the expression
        Object fromValue = expression.eval(callstack, interpreter);
        Class fromType = fromValue.getClass();

		// TODO: need to add isJavaCastable() test for strictJava
		// (as opposed to isJavaAssignable())
		try {
			return Types.castObject( fromValue, toType, Types.CAST );
		} catch ( UtilEvalError e ) {
			throw e.toEvalError( this, callstack  );
		}
    }

}