protected override object OnCalc(IList <object> operands)
{
if (operands.Count > 2)
{
string module = operands[0] as string;
string type = operands[1] as string;
string method = operands[2] as string;
if (!string.IsNullOrEmpty(module) && !string.IsNullOrEmpty(type) && !string.IsNullOrEmpty(method))
{
TypeDefinition td = null;
TypeReference tr;
if (ScriptProcessor.GetModuleDefinition().TryGetTypeReference(type, out tr))
{
try {
td = tr.Resolve();
} catch (Exception ex) {
ScriptProcessor.ErrorTxts.Add(string.Format("inject '{0}.{1}' exception:{2}\n{3}", type, method, ex.Message, ex.StackTrace));
}
}
else
{
var md = ModuleDefinition.ReadModule(module);
if (null != md)
{
td = md.GetType(type);
}
else
{
ScriptProcessor.ErrorTxts.Add(string.Format("inject can't read module '{0}'", module));
}
}
if (null != td)
{
bool handled = false;
foreach (var m in td.Methods)
{
if (m.Name == method)
{
bool memoryLog = 2 == m.Parameters.Count && 0 == string.Compare(m.Parameters[0].ParameterType.FullName, "System.Int32", true) && 0 == string.Compare(m.Parameters[1].ParameterType.FullName, "System.String", true);
bool callHook = 2 == m.Parameters.Count && 0 == string.Compare(m.Parameters[0].ParameterType.FullName, "System.String", true) && 0 == string.Compare(m.Parameters[1].ParameterType.FullName, "System.Object[]", true);
bool returnHook = 3 == m.Parameters.Count && 0 == string.Compare(m.Parameters[0].ParameterType.FullName, "System.Object", true) && 0 == string.Compare(m.Parameters[1].ParameterType.FullName, "System.String", true) && 0 == string.Compare(m.Parameters[2].ParameterType.FullName, "System.Object[]", true);
if (memoryLog || callHook || returnHook)
{
handled = true;
try {
var mr = new MethodReference(m.Name, m.ReturnType, m.DeclaringType);
foreach (var p in m.Parameters)
{
mr.Parameters.Add(p);
}
var methodRef = ScriptProcessor.GetModuleDefinition().ImportReference(mr);
ScriptProcessor.InjectPrologue(methodRef);
} catch (Exception ex) {
ScriptProcessor.ErrorTxts.Add(string.Format("inject '{0}.{1}' exception:{2}\n{3}", type, method, ex.Message, ex.StackTrace));
}
break;
}
}
}
if (!handled)
{
ScriptProcessor.ErrorTxts.Add(string.Format("inject can't find method '{0}' from {1}", method, type));
}
}
else
{
ScriptProcessor.ErrorTxts.Add(string.Format("inject can't find type '{0}' from {1}", type, module));
}
}
}
else if (operands.Count == 2)
{
var type = operands[0] as Type;
string method = operands[1] as string;
if (null != type && !string.IsNullOrEmpty(method))
{
var m = type.GetMethod(method, new Type[] { typeof(string) });
if (null != m)
{
try {
var methodRef = ScriptProcessor.GetModuleDefinition().ImportReference(m);
ScriptProcessor.InjectPrologue(methodRef);
} catch (Exception ex) {
ScriptProcessor.ErrorTxts.Add(string.Format("inject '{0}.{1}' exception:{2}\n{3}", type.FullName, method, ex.Message, ex.StackTrace));
}
}
else
{
ScriptProcessor.ErrorTxts.Add(string.Format("inject can't find method '{0}' from {1}", method, type.FullName));
}
}
}
return(0);
}