public Sign(MateData content)
{
this.id = content.id;
this.content = content;
}
public Sign(MateData content, String type)
{
this.id = content.id;
this.content = content;
this.type = type;
}
public override void doSomethings(SignTable contextTable)
{
this.initSignTable(contextTable);
SignTable runtimeTable = Utils.DeepCopy <SignTable>(this.signTable);//深拷贝运行时符号表
//执行函数
for (int i = 0; i < runtimeTable.size(); i++)
{
if (runtimeTable[i].content is FunctionBuilder)
{
List <Sign> trueArgs = new List <Sign>();
for (int j = i + 1; j < signTable.size(); j++)
{//向后检索实参列表
if (runtimeTable[j].type == "args")
{
trueArgs.Add(runtimeTable[j]);
}
else
{
break;
}
}
Function f = ((FunctionBuilder)runtimeTable[i].content).build(trueArgs);
MateData fResult = f.run();
runtimeTable[i].content = fResult;
}
}
String s = "";
//从上下中给变量赋值
foreach (Sign sign in runtimeTable)
{
if (contextTable.has(sign.id))
{
sign.content = contextTable.getSignById(sign.id).content;
}
else if (sign.content is Hashable)
{
if (sign.id != "" && sign.id[0] != '-')
{
contextTable.Add(sign);
}
}
if (sign.type == "结果")
{
continue;
}
if (sign.content is Hashable)
{
s = s + sign.content.toString();
}
else if (sign.content == null)
{
s = s + sign.type;
}
}
DataTable dataTable = new DataTable();
double x = double.Parse(dataTable.Compute(s, null).ToString());
DadaInt data = new DadaInt("");
data.setData(x.ToString());
Sign ss = runtimeTable.Find((e) => e.type == "结果");
//以下写的很乱,但功能是对的
if (ss != null)
{
if (contextTable.has(ss.id))
{
contextTable.getSignById(ss.id).content = ss.content;
}
else
{
contextTable.Add(ss);
}
}
if (ss != null)
{
contextTable.getSignById(ss.id).content = data;
}
else
{
result = data;
this.mean = "返回";
}
}
