public void CloneTest()
{
var exp = new Exp(new Number(0));
var clone = exp.Clone();
Assert.Equal(exp, clone);
}
void Push(Exp exp, Env env, Cell destination = null)
{
stack.Push(new Frame {
exp = exp.Clone(), env = env, destination = destination
});
current = stack.Peek();
}
/// <summary>
/// Analyzes the specified expression.
/// </summary>
/// <param name="exp">The expression.</param>
/// <returns>
/// The result of analysis.
/// </returns>
public override IExpression Analyze(Exp exp)
{
if (!Helpers.HasVariable(exp, Variable))
{
return(new Number(0));
}
return(new Mul(exp.Argument.Clone().Analyze(this), exp.Clone()));
}
private void btnCopy_Click(object sender, EventArgs e) // 复制
{
Exp copyFromExp = this.listBox1.SelectedItem as Exp;
if (copyFromExp != null)
{
Exp newExp = copyFromExp.Clone() as Exp;
this.listBox1.Items.Add(newExp);
this.listBox1.SelectedItem = newExp;
this.m_bChanged = true;
}
}
public object Clone()
{
ConditionData cd = new ConditionData();
if (datalist != null)
{
Exp exp = datalist[0] as Exp;
List <Exp> elist = datalist[1] as List <Exp>;
List <Exp> elist_new = new List <Exp>();
foreach (Exp ex in elist)
{
elist_new.Add(ex.Clone() as Exp);
}
cd.datalist = new object[] { exp.Clone(), elist_new };
}
return(cd);
}
void ReplaceCurrent(Exp exp, Env env = null)
{
current.ready = false;
current.exp = exp.Clone();
current.env = env ?? current.env;
}