private AbstractSyntaxComponent simplifyStatement(FunctionData data)
{
//注意，为了省内存ValueData上不附带注释了，相关接口无实际效果！！！
if (!data.HaveParamOrStatement())
{
//没有参数的调用退化为基本值数据
if (data.IsHighOrder)
{
//这种情况应该不会出现
return(data);
}
else
{
return(data.Name);
}
}
else if (data.GetId() == "-" && data.GetParamNum() == 1)
{
ISyntaxComponent val = data.GetParam(0);
ValueData temp = val as ValueData;
if (null != temp && temp.IsNumber())
{
ValueData ret = new ValueData("-" + temp.GetId(), ValueData.NUM_TOKEN);
return(ret);
}
else
{
return(data);
}
}
else if (data.GetId() == "+" && data.GetParamNum() == 1)
{
ISyntaxComponent val = data.GetParam(0);
ValueData temp = val as ValueData;
if (null != temp && temp.IsNumber())
{
ValueData ret = new ValueData(temp.GetId(), ValueData.NUM_TOKEN);
return(ret);
}
else
{
return(data);
}
}
else
{
return(data);
}
}
protected override bool Load(FunctionData funcData)
{
if (!funcData.IsHighOrder && funcData.HaveParam())
{
m_Func = funcData.GetId();
int num = funcData.GetParamNum();
for (int ix = 0; ix < num; ++ix)
{
Dsl.ISyntaxComponent param = funcData.GetParam(ix);
m_Args.Add(Interpreter.Load(param));
}
return(true);
}
return(false);
}