public void CopyFrom(MethodInfo method)
{
var body = method.GetMethodBody();
var il = ILInstructionReader.FromByteCode(body.GetILAsByteArray());
Stream = il;
Locals = body.LocalVariables.Count == 0 ? null : body.LocalVariables.Select(lcl => new ILVariable(lcl)).ToArray();
SetResolver(method);
}
public object ExecuteTyped(MethodInfo method, params object[] args)
{
var argLength = args?.Length;
var methodParameters = method.GetParameters();
if (method.CallingConvention == CallingConventions.VarArgs)
{
// throw new PlatformID
}
var methodParameterCount = methodParameters.Length;
if (methodParameterCount == 0 && method.ContainsGenericParameters)
{
//var genericArguments = method.GetGenericArguments().Length;
}
if (!method.IsStatic)
{
methodParameterCount += 1;
}
var body = method.GetMethodBody();
var localVariables = body.LocalVariables;
if (methodParameterCount != argLength)
{
bool parsedParamArray = false;
for (var i = 0; parsedParamArray == false && i < methodParameters.Length; i++)
{
if (methodParameters[i].GetCustomAttribute <ParamArrayAttribute>() != null)
{
parsedParamArray = true;
var l = new List <object>();
for (var k = 0; k < i; k++)
{
l.Add(args[k]);
}
var paramArgs = new object[args.Length - i];
for (var k = i; k < args.Length; k++)
{
paramArgs[k - i] = args[k];
}
l.Add(paramArgs);
args = l.ToArray();
}
}
//if (argLength < methodParameterCount || !methodParameters.Any(x => !(x.GetCustomAttribute<ParamArrayAttribute>() is null)))
if (!parsedParamArray)
{
throw new TargetParameterCountException($"{method.ReflectedType.Name}::{method} does not take {argLength} parameters");
}
}
var methodBytes = method.GetMethodBody().GetILAsByteArray();
var ilStream = ILInstructionReader.FromByteCode(method.GetMethodBody().GetILAsByteArray());
var ilStreamCode = ILInstructionReader.ToString(ilStream);
var resolver = new ILInstructionResolver(method);
var locals = new ILVariable[localVariables.Count];
for (var i = 0; i < locals.Length; i++)
{
locals[localVariables[i].LocalIndex].CopyFrom(localVariables[i], body.InitLocals);
}
bool doTrace = bool.Parse(bool.FalseString);
if (doTrace)
{
System.Diagnostics.Trace.WriteLine(method);
if (args != null && args.Length > 0)
{
System.Diagnostics.Trace.WriteLine(string.Join("\r\n", Enumerable.Range(0, args.Length).Select(i => $"arg[{i}]: {args[i]}")));
}
if (locals != null && locals.Length > 0)
{
System.Diagnostics.Trace.WriteLine(string.Join("\r\n", Enumerable.Range(0, locals.Length).Select(i => $"loc[{i}]: {locals[i]}")));
}
System.Diagnostics.Trace.WriteLine(ilStreamCode);
}
return(ExecuteTyped(ilStream, resolver, args.ToArray(), locals));
}
