public void CreateBooleanExpression()
{
IExpression trueexpr = new ConstantExpression(true);
IExpression falseexpr = new ConstantExpression(false);
BooleanExpression expression = new BooleanExpression(trueexpr, falseexpr, BooleanOperator.Or);
Assert.AreEqual(trueexpr, expression.Left);
Assert.AreEqual(falseexpr, expression.Right);
Assert.AreEqual(BooleanOperator.Or, expression.Operation);
}
private IExpression CompileOrExpression()
{
IExpression expression = this.CompileAndExpression();
if (expression == null)
return null;
while (this.TryCompile(TokenType.Name, "or"))
expression = new BooleanExpression(expression, this.CompileAndExpression(), BooleanOperator.Or);
return expression;
}
