public override MethodBase SelectMethod(BindingFlags bindingAttr, MethodBase[] match, Type[] types, ParameterModifier[] modifiers)
{
int matchCount = 0;
foreach (MethodBase method in match)
{
if (MatchParameterTypes(method.GetParameters(), types))
{
match[matchCount++] = method;
}
}
if (matchCount == 0)
{
return null;
}
MethodBase bestMatch = match[0];
bool ambiguous = false;
for (int i = 1; i < matchCount; i++)
{
SelectBestMatch(match[i], types, ref bestMatch, ref ambiguous);
}
if (ambiguous)
{
throw new AmbiguousMatchException();
}
return bestMatch;
}
private string GetMethodFullName (MethodBase m)
{
StringBuilder sb = new StringBuilder ();
StackTraceHelper.GetFullNameForStackTrace (sb, m);
return sb.ToString ();
}
internal static void AddDeclaredExceptions(MethodBase mb, IKVM.Internal.MapXml.Throws[] throws)
{
if (throws != null)
{
string[] exceptions = new string[throws.Length];
for (int i = 0; i < exceptions.Length; i++)
{
exceptions[i] = throws[i].Class;
}
AttributeHelper.SetThrowsAttribute(mb, exceptions);
}
}
public static IList<CustomAttributeData> __GetDeclarativeSecurity(MethodBase method)
{
if ((method.Attributes & MethodAttributes.HasSecurity) != 0)
{
return method.Module.GetDeclarativeSecurity(method.MetadataToken);
}
else
{
return EmptyList;
}
}
public abstract MethodBase SelectMethod(BindingFlags bindingAttr, MethodBase[] match, Type[] types, ParameterModifier[] modifiers);
public virtual MethodBase BindToMethod(BindingFlags bindingAttr, MethodBase[] match, ref object[] args, ParameterModifier[] modifiers, CultureInfo culture, string[] names, out object state)
{
throw new InvalidOperationException();
}
private static void SelectBestMatch(MethodBase candidate, Type[] types, ref MethodBase currentBest, ref bool ambiguous)
{
switch (MatchSignatures(currentBest.MethodSignature, candidate.MethodSignature, types))
{
case 1:
return;
case 2:
ambiguous = false;
currentBest = candidate;
return;
}
if (currentBest.MethodSignature.MatchParameterTypes(candidate.MethodSignature))
{
int depth1 = GetInheritanceDepth(currentBest.DeclaringType);
int depth2 = GetInheritanceDepth(candidate.DeclaringType);
if (depth1 > depth2)
{
return;
}
else if (depth1 < depth2)
{
ambiguous = false;
currentBest = candidate;
return;
}
}
ambiguous = true;
}
private static MethodBase SelectBestMatch(MethodBase mb1, MethodBase mb2, Type[] types, ref bool ambiguous)
{
switch (MatchSignatures(mb1.MethodSignature, mb2.MethodSignature, types))
{
case 1:
return mb1;
case 2:
return mb2;
}
if (mb1.MethodSignature.MatchParameterTypes(mb2.MethodSignature))
{
int depth1 = GetInheritanceDepth(mb1.DeclaringType);
int depth2 = GetInheritanceDepth(mb2.DeclaringType);
if (depth1 > depth2)
{
return mb1;
}
else if (depth1 < depth2)
{
return mb2;
}
}
ambiguous = true;
return mb1;
}
static bool IsAccessor(MethodBase methodInfo)
{
if (!methodInfo.IsSpecialName)
return false;
var name = methodInfo.Name;
return
name.StartsWith("get_", StringComparison.Ordinal) ||
name.StartsWith("set_", StringComparison.Ordinal) ||
name.StartsWith("add_", StringComparison.Ordinal) ||
name.StartsWith("remove_", StringComparison.Ordinal) ||
name.StartsWith("raise_", StringComparison.Ordinal);
}
void TranslateModifiers(MethodBase method, AbstractUnresolvedMember m)
{
if (m.DeclaringTypeDefinition.Kind == TypeKind.Interface) {
// interface members don't have modifiers, but we want to handle them as "public abstract"
m.Accessibility = Accessibility.Public;
m.IsAbstract = true;
} else {
m.Accessibility = GetAccessibility(method.Attributes);
if (method.IsAbstract) {
m.IsAbstract = true;
m.IsOverride = !method.Attributes.HasFlag (MethodAttributes.NewSlot);
} else if (method.IsFinal) {
if (!method.Attributes.HasFlag (MethodAttributes.NewSlot)) {
m.IsSealed = true;
m.IsOverride = true;
}
} else if (method.IsVirtual) {
if (method.Attributes.HasFlag (MethodAttributes.NewSlot))
m.IsVirtual = true;
else
m.IsOverride = true;
}
m.IsStatic = method.IsStatic;
}
}
public IUnresolvedMethod ReadMethod(MethodBase method, IUnresolvedTypeDefinition parentType, SymbolKind methodType = SymbolKind.Method)
{
return ReadMethod((MethodInfo)method, parentType, methodType, null);
}
MethodBase[] GetVTableMethods(VTableFixups fixups)
{
var methods = new MethodBase[fixups.Count];
byte[] buf = new byte[8];
int fixuprva = fixups.RVA;
for (int i = 0; i < fixups.Count; i++)
{
module.__ReadDataFromRVA(fixuprva, buf, 0, 4);
methods[i] = module.ResolveMethod(BitConverter.ToInt32(buf, 0));
if ((fixups.Type & COR_VTABLE_32BIT) != 0)
{
fixuprva += 4;
}
if ((fixups.Type & COR_VTABLE_64BIT) != 0)
{
fixuprva += 8;
}
}
return methods;
}
static void Process(MethodBase method, IKVM.Reflection.Type returnType, CustomAttributeData attrData)
{
string returnTypeString = returnType == TypeManager.VoidType ? "void" : TypeToC(returnType);
string unmanagedMethodName = method.Name.Replace(".", "_");
var namedArguments = attrData.NamedArguments ?? new CustomAttributeNamedArgument[0];
foreach (var arg in namedArguments)
{
if (arg.MemberInfo.Name == "ReturnType")
returnTypeString = arg.TypedValue.Value.ToString();
else if (arg.MemberInfo.Name == "Name")
unmanagedMethodName = arg.TypedValue.Value.ToString();
}
var paramList = new List<string>();
if (!method.IsStatic)
{
// Add *this* parameter
paramList.Add(FormatParameter(
"MonoObject*",
TypeToString(method.DeclaringType),
"self"
));
}
foreach (var info in method.GetParameters())
{
paramList.Add(FormatParameter(
TypeToC(info.ParameterType),
TypeToString(info.ParameterType),
info.Name
));
}
paramList.Add("MonoObject **ex");
string qualMethodName = String.Format("{0}_{1}", method.DeclaringType.Name, unmanagedMethodName);
string qualMethodDecl = String.Format("{0} (THUNKCALL *{1})({2});",
returnTypeString,
qualMethodName,
String.Join(", ", paramList));
currentMethods.Add(new ThunkMethodInfo(
method.Name,
qualMethodName, qualMethodDecl,
method.ToString(),
method.IsGenericMethodDefinition));
}
public abstract MethodBase BindToMethod(BindingFlags bindingAttr, MethodBase[] match, ref object[] args, ParameterModifier[] modifiers, CultureInfo culture, string[] names, out object state);
internal void AddXmlMapParameterAttributes(MethodBase method, string className, string methodName, string methodSig, ref ParameterBuilder[] pbs)
{
IKVM.Internal.MapXml.Param[] parameters = classLoader.GetXmlMapParameters(className, methodName, methodSig);
if(parameters != null)
{
if(pbs == null)
{
// let's hope that the parameters array is the right length
pbs = GetParameterBuilders(method, parameters.Length, null);
}
for(int i = 0; i < pbs.Length; i++)
{
if(parameters[i].Attributes != null)
{
foreach(IKVM.Internal.MapXml.Attribute attr in parameters[i].Attributes)
{
AttributeHelper.SetCustomAttribute(classLoader, pbs[i], attr);
}
}
}
}
}