internal EnhancedStackFrame(StackFrame stackFrame, ResolvedMethod methodInfo, string fileName, int lineNumber, int colNumber)
: base(fileName, lineNumber, colNumber)
{
StackFrame = stackFrame;
MethodInfo = methodInfo;
_fileName = fileName;
_lineNumber = lineNumber;
_colNumber = colNumber;
}
internal bool IsSequentialEquivalent(ResolvedMethod obj)
{
return
(IsAsync == obj.IsAsync &&
DeclaringType == obj.DeclaringType &&
Name == obj.Name &&
IsLambda == obj.IsLambda &&
Ordinal == obj.Ordinal &&
GenericArguments == obj.GenericArguments &&
SubMethod == obj.SubMethod);
}
public static string GetMethodDisplayString(MethodBase originMethod)
{
return
(CACHE.GetOrCreate(originMethod.GetHashCode() + ".GetMethodDisplayString", e =>
{
// Special case: no method available
if (originMethod == null)
{
return null;
}
var method = originMethod;
var methodDisplayInfo = new ResolvedMethod
{
SubMethodBase = method
};
// Type name
var type = method.DeclaringType;
var subMethodName = method.Name;
var methodName = method.Name;
if (type != null && type.IsDefined(typeof(CompilerGeneratedAttribute)) &&
(typeof(IAsyncStateMachine).IsAssignableFrom(type) || typeof(IEnumerator).IsAssignableFrom(type)))
{
methodDisplayInfo.IsAsync = typeof(IAsyncStateMachine).IsAssignableFrom(type);
// Convert StateMachine methods to correct overload +MoveNext()
if (!TryResolveStateMachineMethod(ref method, out type))
{
methodDisplayInfo.SubMethodBase = null;
subMethodName = null;
}
methodName = method.Name;
}
// Method name
methodDisplayInfo.MethodBase = method;
methodDisplayInfo.Name = methodName;
if (method.Name.IndexOf("<") >= 0)
{
if (TryResolveGeneratedName(ref method, out type, out methodName, out subMethodName, out var kind,
out var ordinal))
{
methodName = method.Name;
methodDisplayInfo.MethodBase = method;
methodDisplayInfo.Name = methodName;
methodDisplayInfo.Ordinal = ordinal;
}
public static ResolvedMethod GetMethodDisplayString(MethodBase originMethod)
{
// Special case: no method available
if (originMethod == null)
{
return(null);
}
var method = originMethod;
var methodDisplayInfo = new ResolvedMethod
{
SubMethodBase = method
};
// Type name
var type = method.DeclaringType;
var subMethodName = method.Name;
var methodName = method.Name;
if (type != null && type.IsDefined(typeof(CompilerGeneratedAttribute)) &&
(typeof(IAsyncStateMachine).IsAssignableFrom(type) || typeof(IEnumerator).IsAssignableFrom(type)))
{
methodDisplayInfo.IsAsync = typeof(IAsyncStateMachine).IsAssignableFrom(type);
// Convert StateMachine methods to correct overload +MoveNext()
if (!TryResolveStateMachineMethod(ref method, out type))
{
methodDisplayInfo.SubMethodBase = null;
subMethodName = null;
}
methodName = method.Name;
}
// Method name
methodDisplayInfo.MethodBase = method;
methodDisplayInfo.Name = methodName;
if (method.Name.IndexOf("<") >= 0)
{
if (TryResolveGeneratedName(ref method, out type, out methodName, out subMethodName, out var kind, out var ordinal))
{
methodName = method.Name;
methodDisplayInfo.MethodBase = method;
methodDisplayInfo.Name = methodName;
methodDisplayInfo.Ordinal = ordinal;
}
else
{
methodDisplayInfo.MethodBase = null;
}
methodDisplayInfo.IsLambda = (kind == GeneratedNameKind.LambdaMethod);
if (methodDisplayInfo.IsLambda && type != null)
{
if (methodName == ".cctor")
{
if (type.IsGenericTypeDefinition && !type.IsConstructedGenericType)
{
// TODO: diagnose type's generic type arguments from frame's "this" or something
}
else
{
var fields = type.GetFields(BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
foreach (var field in fields)
{
var value = field.GetValue(field);
if (value is Delegate d)
{
if (ReferenceEquals(d.Method, originMethod) &&
d.Target.ToString() == originMethod.DeclaringType.ToString())
{
methodDisplayInfo.Name = field.Name;
methodDisplayInfo.IsLambda = false;
method = originMethod;
break;
}
}
}
}
}
}
}
