private object Excute(TokenFunctionCallStement stement)
{
var first = stement.CallChain.First();
if (first != null)
{
var assembile = AppDomain.CurrentDomain.GetAssemblies()
.First(it =>
it.DefinedTypes.Any(it1 => it1.Name == first));
var type = assembile.DefinedTypes.First(it1 => it1.Name == first);
var argTypes = stement.Parameters.Select(it =>
{
if (it.DateType == "Int")
{
return(typeof(string));
}
else if (it.DateType == "Double")
{
return(typeof(string));
}
else
{
return(typeof(string));
}
}).ToArray();
var method = type.GetMethod(stement.CallChain.Last(), argTypes.ToArray());
method.Invoke(null, stement.Parameters.Cast <TokenLiteral>().Select(it => it.Value).ToArray());
}
return(null);
}
/// <summary>
/// 方法调用
/// </summary>
/// <param name="stement"></param>
/// <returns></returns>
private ScriptValue ExcuteCall(TokenFunctionCallStement stement)
{
var first = stement.CallChain.First();
var paremeters = new List <ScriptValue>();
foreach (var value in stement.Parameters)
{
var scriptVar = ReturnValue(value);
paremeters.Add(scriptVar);
}
if (_functions.ContainsKey(first))
{
return(ExcuteFunction(_functions[first], paremeters));
}
{
var argTypes = new List <Type>();
var argValues = new List <object>();
foreach (var paremeter in paremeters)
{
var dataType = ScriptType.GetType(paremeter.DataType);
argTypes.Add(dataType);
argValues.Add(paremeter.Value);
}
//调用.Net框架中的方法
//从程序集中找出名称和参数定义相同的方法
var methods = AppDomain.CurrentDomain.GetAssemblies()
.SelectMany(it => it.DefinedTypes.Where(it1 => it1.Name == first)
.Select(t => t.GetMethod(stement.CallChain.Last(), argTypes.ToArray()))
.Where(m => m != null)
).ToList();
if (!methods.Any())
{
throw new Exception("没有找到对应的方法");
}
// if(methods.Count()>1) throw new Exception("找到多个方法，无法确定调用哪个");
var method = methods.First();
var retValue = new ScriptValue();
var value = method.Invoke(null, argValues.ToArray());
if (method.ReturnType == typeof(void))
{
return(null);
}
return(new ScriptValue
{
Value = value
});
}
}
