MethodBody[] GetMethodBodies(IMemberReference member)
{
if (member is MethodReference)
{
return(new[] { (((MethodReference)member).Resolve()).Body });
}
if (member is PropertyReference)
{
PropertyDefinition prop = ((PropertyReference)member).Resolve();
return(new[] {
prop.GetMethod != null ? prop.GetMethod.Body : null,
prop.SetMethod != null ? prop.SetMethod.Body : null,
});
}
if (member is FieldReference)
{
return new MethodBody[] {}
}
;
if (member is EventReference)
{
EventDefinition ev = ((EventReference)member).Resolve();
return(new[] {
ev.AddMethod != null ? ev.AddMethod.Body : null,
ev.InvokeMethod != null ? ev.InvokeMethod.Body : null,
ev.RemoveMethod != null ? ev.RemoveMethod.Body : null,
});
}
throw new NotSupportedException("Unsupported member type: " + member.GetType().FullName);
}
void FillExceptions(MethodBody body, Dictionary <string, ExceptionSources> exceptions)
{
for (int i = 0; i < body.Instructions.Count; ++i)
{
Instruction instruction = body.Instructions [i];
switch (instruction.OpCode.Code)
{
case Code.Call:
case Code.Callvirt: {
if ((locations & ExceptionLocations.Assembly) == 0 &&
(locations & ExceptionLocations.DependentAssemblies) == 0)
{
break;
}
IMemberReference memberRef = ((IMemberReference)instruction.Operand);
if (((locations & ExceptionLocations.Assembly) != 0 &&
body.Method.DeclaringType.Scope.Name == memberRef.DeclaringType.Scope.Name) ||
((locations & ExceptionLocations.DependentAssemblies) != 0 &&
body.Method.DeclaringType.Scope.Name != memberRef.DeclaringType.Scope.Name))
{
IEnumerable <ExceptionSources> memberExceptions = this [memberRef];
AddExceptions(body, instruction,
memberExceptions.Select(es => es.Exception),
memberExceptions.SelectMany(es => es.Sources),
exceptions);
}
break;
}
case Code.Newobj: {
MethodReference ctor = (MethodReference)instruction.Operand;
if (IsExceptionConstructor(ctor))
{
AddExceptions(body, instruction,
new TypeReference[] { ctor.DeclaringType },
new IMemberReference[] { body.Method },
exceptions);
}
break;
}
}
}
}
void AddExceptions(MethodBody body, Instruction instruction, IEnumerable <TypeReference> add, IEnumerable <IMemberReference> sources,
Dictionary <string, ExceptionSources> exceptions)
{
var handlers = body.ExceptionHandlers.Cast <ExceptionHandler> ()
.Where(eh => instruction.Offset >= eh.TryStart.Offset &&
instruction.Offset <= eh.TryEnd.Offset);
foreach (var ex in add)
{
if (!handlers.Any(h => IsExceptionCaught(ex, h.CatchType)))
{
ExceptionSources s;
string eName = xdoc.GetDeclaration(ex);
if (!exceptions.TryGetValue(eName, out s))
{
s = new ExceptionSources(ex);
exceptions.Add(eName, s);
}
s.SourcesList.AddRange(sources);
}
}
}
void AddExceptions (MethodBody body, Instruction instruction, IEnumerable<TypeReference> add, IEnumerable<MemberReference> sources,
Dictionary<string, ExceptionSources> exceptions)
{
var handlers = body.ExceptionHandlers.Cast<ExceptionHandler> ()
.Where (eh => instruction.Offset >= eh.TryStart.Offset &&
instruction.Offset <= eh.TryEnd.Offset);
foreach (var ex in add) {
if (!handlers.Any (h => IsExceptionCaught (ex, h.CatchType))) {
ExceptionSources s;
string eName = xdoc.GetDeclaration (ex);
if (!exceptions.TryGetValue (eName, out s)) {
s = new ExceptionSources (ex);
exceptions.Add (eName, s);
}
s.SourcesList.AddRange (sources);
}
}
}
