static void Main(string[] args)
{
Context ctx = new Context();
ctx.SetValue( "x", true );
ctx.SetValue( "y", false );
AbstractExpression left = new UnaryExpression(new ConstExpression(new ConstToken(false)), new Negation());
AbstractExpression right_x = new ConstExpression(new VariableToken("x"));
AbstractExpression right_y = new ConstExpression(new VariableToken("y"));
AbstractExpression expr = new BinaryExpression( left, right_x, new Conjunction() );
AbstractExpression expr2 = new BinaryExpression( left, right_y, new Conjunction() );
AbstractExpression expr3 = new BinaryExpression( left, right_y, new Alternative() );
Console.WriteLine(expr.Interpret(ctx));
Console.WriteLine(expr2.Interpret(ctx));
Console.WriteLine(expr3.Interpret(ctx));
Console.ReadKey();
}
public abstract bool Interpret(Context context);
public override bool Interpret(Context context)
{
return token.Interpret(context);
}
public override bool Interpret(Context context, AbstractExpression left, AbstractExpression right)
{
return left.Interpret(context) && right.Interpret(context);
}
public override bool Interpret(Context context)
{
return binaryOperator.Interpret( context, leftExpression, rightExpression );
}
public override bool Interpret(Context context)
{
return unaryOperator.Interpret( context, expression );
}
public abstract bool Interpret(Context context, AbstractExpression expression);
public abstract bool Interpret(Context context, AbstractExpression left, AbstractExpression right);
public override bool Interpret(Context context)
{
return value;
}
public override bool Interpret(Context context, AbstractExpression expression)
{
return !expression.Interpret( context );
}
public override bool Interpret(Context context)
{
return context.GetValue( variableName );
}