private void ReorderParams(int[] paramOrder, object[] vars, VBBinderState state)
{
int num = Math.Max(vars.GetUpperBound(0), paramOrder.GetUpperBound(0));
state.m_OriginalParamOrder = new int[num + 1];
int num3 = num;
for (int i = 0; i <= num3; i++)
{
state.m_OriginalParamOrder[i] = paramOrder[i];
}
}
public override MethodBase BindToMethod(BindingFlags bindingAttr, MethodBase[] match, ref object[] args, ParameterModifier[] modifiers, CultureInfo culture, string[] names, ref object ObjState)
{
int num;
int[] numArray;
Type type = null;
bool flag;
int num3;
ParameterInfo info;
int num4;
int num5;
Type elementType = null;
int num8;
ParameterInfo[] infoArray;
int num9;
Type parameterType = null;
int num11;
MethodBase base4;
if ((match == null) || (match.Length == 0))
{
throw ExceptionUtils.VbMakeException(0x1b6);
}
if (((this.m_CachedMember != null) && (this.m_CachedMember.MemberType == MemberTypes.Method)) && ((match[0] != null) && (match[0].Name == this.m_CachedMember.Name)))
{
return (MethodBase) this.m_CachedMember;
}
bool isPropertySet = (bindingAttr & BindingFlags.SetProperty) != BindingFlags.Default;
if ((names != null) && (names.Length == 0))
{
names = null;
}
int length = match.Length;
if (length > 1)
{
int num25 = match.GetUpperBound(0);
for (num5 = 0; num5 <= num25; num5++)
{
base4 = match[num5];
if ((base4 != null) && !base4.IsHideBySig)
{
if (base4.IsVirtual)
{
if ((base4.Attributes & MethodAttributes.NewSlot) != MethodAttributes.PrivateScope)
{
int num26 = match.GetUpperBound(0);
for (int i = 0; i <= num26; i++)
{
if (((num5 != i) && (match[i] != null)) && base4.DeclaringType.IsSubclassOf(match[i].DeclaringType))
{
match[i] = null;
length--;
}
}
}
}
else
{
int num27 = match.GetUpperBound(0);
for (int j = 0; j <= num27; j++)
{
if (((num5 != j) && (match[j] != null)) && base4.DeclaringType.IsSubclassOf(match[j].DeclaringType))
{
match[j] = null;
length--;
}
}
}
}
}
}
int num2 = length;
if (names != null)
{
int num28 = match.GetUpperBound(0);
for (num5 = 0; num5 <= num28; num5++)
{
base4 = match[num5];
if (base4 != null)
{
infoArray = base4.GetParameters();
num4 = infoArray.GetUpperBound(0);
if (isPropertySet)
{
num4--;
}
if (num4 >= 0)
{
info = infoArray[num4];
num8 = -1;
if (info.ParameterType.IsArray)
{
object[] customAttributes = info.GetCustomAttributes(typeof(ParamArrayAttribute), false);
if ((customAttributes != null) && (customAttributes.Length > 0))
{
num8 = num4;
}
else
{
num8 = -1;
}
}
}
int num29 = names.GetUpperBound(0);
for (int k = 0; k <= num29; k++)
{
int num30 = num4;
num9 = 0;
while (num9 <= num30)
{
if (Strings.StrComp(names[k], infoArray[num9].Name, CompareMethod.Text) == 0)
{
if ((num9 == num8) && (length == 1))
{
throw ExceptionUtils.VbMakeExceptionEx(0x1be, Utils.GetResourceString("NamedArgumentOnParamArray"));
}
if (num9 == num8)
{
num9 = num4 + 1;
}
break;
}
num9++;
}
if (num9 > num4)
{
if (length == 1)
{
throw new MissingMemberException(Utils.GetResourceString("Argument_InvalidNamedArg2", new string[] { names[k], this.CalledMethodName() }));
}
match[num5] = null;
length--;
break;
}
}
}
}
}
int[] numArray2 = new int[(match.Length - 1) + 1];
int upperBound = match.GetUpperBound(0);
for (num5 = 0; num5 <= upperBound; num5++)
{
base4 = match[num5];
if (base4 != null)
{
num8 = -1;
infoArray = base4.GetParameters();
num4 = infoArray.GetUpperBound(0);
if (isPropertySet)
{
num4--;
}
if (num4 >= 0)
{
info = infoArray[num4];
if (info.ParameterType.IsArray)
{
object[] objArray3 = info.GetCustomAttributes(typeof(ParamArrayAttribute), false);
if ((objArray3 != null) && (objArray3.Length > 0))
{
num8 = num4;
}
}
}
numArray2[num5] = num8;
if ((num8 == -1) && (args.Length > infoArray.Length))
{
if (length == 1)
{
throw new MissingMemberException(Utils.GetResourceString("NoMethodTakingXArguments2", new string[] { this.CalledMethodName(), Conversions.ToString(this.GetPropArgCount(args, isPropertySet)) }));
}
match[num5] = null;
length--;
}
int num14 = num4;
if (num8 != -1)
{
num14--;
}
if (args.Length < num14)
{
int num32 = num14 - 1;
int index = args.Length;
while (index <= num32)
{
if (infoArray[index].DefaultValue == DBNull.Value)
{
break;
}
index++;
}
if (index != num14)
{
if (length == 1)
{
throw new MissingMemberException(Utils.GetResourceString("NoMethodTakingXArguments2", new string[] { this.CalledMethodName(), Conversions.ToString(this.GetPropArgCount(args, isPropertySet)) }));
}
match[num5] = null;
length--;
}
}
}
}
object[] paramOrder = new object[(match.Length - 1) + 1];
int num33 = match.GetUpperBound(0);
for (num5 = 0; num5 <= num33; num5++)
{
base4 = match[num5];
if (base4 != null)
{
infoArray = base4.GetParameters();
if (args.Length > infoArray.Length)
{
numArray = new int[(args.Length - 1) + 1];
}
else
{
numArray = new int[(infoArray.Length - 1) + 1];
}
paramOrder[num5] = numArray;
if (names == null)
{
int num16 = args.GetUpperBound(0);
if (isPropertySet)
{
num16--;
}
int num34 = num16;
num = 0;
while (num <= num34)
{
if ((args[num] is Missing) && ((num > infoArray.GetUpperBound(0)) || infoArray[num].IsOptional))
{
numArray[num] = -1;
}
else
{
numArray[num] = num;
}
num++;
}
num16 = numArray.GetUpperBound(0);
int num35 = num16;
for (num = num; num <= num35; num++)
{
numArray[num] = -1;
}
if (isPropertySet)
{
numArray[num16] = args.GetUpperBound(0);
}
}
else
{
Exception exception = this.CreateParamOrder(isPropertySet, numArray, base4.GetParameters(), args, names);
if (exception != null)
{
if (length == 1)
{
throw exception;
}
match[num5] = null;
length--;
}
}
}
}
Type[] argTypes = new Type[(args.Length - 1) + 1];
int num36 = args.GetUpperBound(0);
num = 0;
while (num <= num36)
{
if (args[num] != null)
{
argTypes[num] = args[num].GetType();
}
num++;
}
int num37 = match.GetUpperBound(0);
for (num5 = 0; num5 <= num37; num5++)
{
base4 = match[num5];
if (base4 != null)
{
infoArray = base4.GetParameters();
numArray = (int[]) paramOrder[num5];
num4 = numArray.GetUpperBound(0);
if (isPropertySet)
{
num4--;
}
num8 = numArray2[num5];
if (num8 != -1)
{
elementType = infoArray[num8].ParameterType.GetElementType();
}
else if (numArray.Length > infoArray.Length)
{
goto Label_08D3;
}
int num38 = num4;
num9 = 0;
while (num9 <= num38)
{
TypeCode empty;
num = numArray[num9];
if (num == -1)
{
if (!infoArray[num9].IsOptional && (num9 != numArray2[num5]))
{
if (length == 1)
{
throw new MissingMemberException(Utils.GetResourceString("NoMethodTakingXArguments2", new string[] { this.CalledMethodName(), Conversions.ToString(this.GetPropArgCount(args, isPropertySet)) }));
}
goto Label_08D3;
}
}
else
{
type = argTypes[num];
if (type != null)
{
if ((num8 != -1) && (num9 > num8))
{
parameterType = infoArray[num8].ParameterType.GetElementType();
}
else
{
parameterType = infoArray[num9].ParameterType;
if (parameterType.IsByRef)
{
parameterType = parameterType.GetElementType();
}
if (num9 == num8)
{
if (parameterType.IsInstanceOfType(args[num]) && (num9 == num4))
{
goto Label_08C2;
}
parameterType = elementType;
}
}
if ((parameterType != type) && ((type != Type.Missing) || !infoArray[num9].IsOptional))
{
if (args[num] == Missing.Value)
{
goto Label_08D3;
}
if ((parameterType != typeof(object)) && !parameterType.IsInstanceOfType(args[num]))
{
TypeCode typeCode = Type.GetTypeCode(parameterType);
if (type == null)
{
empty = TypeCode.Empty;
}
else
{
empty = Type.GetTypeCode(type);
}
switch (typeCode)
{
case TypeCode.Boolean:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
switch (empty)
{
case TypeCode.Boolean:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
case TypeCode.String:
goto Label_08C2;
}
goto Label_08D3;
case TypeCode.Char:
switch (empty)
{
case TypeCode.String:
goto Label_08D3;
}
goto Label_08C2;
case TypeCode.SByte:
case TypeCode.UInt16:
case TypeCode.UInt32:
case TypeCode.UInt64:
case (TypeCode.DateTime | TypeCode.Object):
goto Label_0896;
case TypeCode.DateTime:
switch (empty)
{
case TypeCode.String:
goto Label_08D3;
}
goto Label_08C2;
case TypeCode.String:
switch (empty)
{
case TypeCode.Empty:
case TypeCode.Boolean:
case TypeCode.Char:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
case TypeCode.String:
goto Label_08C2;
}
break;
default:
goto Label_0896;
}
if (type != typeof(char[]))
{
goto Label_08D3;
}
}
}
}
}
goto Label_08C2;
Label_0896:
if (parameterType != typeof(char[]))
{
goto Label_08D3;
}
TypeCode code10 = empty;
if ((code10 != TypeCode.String) && ((code10 != TypeCode.Object) || (type != typeof(char[]))))
{
goto Label_08D3;
}
Label_08C2:
num9++;
}
}
continue;
Label_08D3:
if (length == 1)
{
if (num2 != 1)
{
throw new AmbiguousMatchException(Utils.GetResourceString("AmbiguousMatch_NarrowingConversion1", new string[] { this.CalledMethodName() }));
}
this.ThrowInvalidCast(type, parameterType, num9);
}
match[num5] = null;
length--;
}
length = 0;
int num39 = match.GetUpperBound(0);
for (num5 = 0; num5 <= num39; num5++)
{
base4 = match[num5];
if (base4 != null)
{
numArray = (int[]) paramOrder[num5];
infoArray = base4.GetParameters();
bool flag3 = false;
num4 = infoArray.GetUpperBound(0);
if (isPropertySet)
{
num4--;
}
num3 = args.GetUpperBound(0);
if (isPropertySet)
{
num3--;
}
num8 = numArray2[num5];
if (num8 != -1)
{
elementType = infoArray[num4].ParameterType.GetElementType();
}
int num40 = num4;
num9 = 0;
while (num9 <= num40)
{
if (num9 == num8)
{
parameterType = elementType;
}
else
{
parameterType = infoArray[num9].ParameterType;
}
if (parameterType.IsByRef)
{
flag3 = true;
parameterType = parameterType.GetElementType();
}
num = numArray[num9];
if (((num != -1) || !infoArray[num9].IsOptional) && (num9 != numArray2[num5]))
{
type = argTypes[num];
if (((type != null) && ((type != Type.Missing) || !infoArray[num9].IsOptional)) && ((parameterType != type) && (parameterType != typeof(object))))
{
TypeCode code3;
TypeCode code4 = Type.GetTypeCode(parameterType);
if (type == null)
{
code3 = TypeCode.Empty;
}
else
{
code3 = Type.GetTypeCode(type);
}
switch (code4)
{
case TypeCode.Boolean:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
switch (code3)
{
case TypeCode.Boolean:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
case TypeCode.String:
goto Label_0B0F;
}
goto Label_0AF9;
}
}
}
goto Label_0B0F;
Label_0AF9:
if (length == 0)
{
this.ThrowInvalidCast(type, parameterType, num9);
}
Label_0B0F:
num9++;
}
if (num9 > num4)
{
if (num5 != length)
{
match[length] = match[num5];
paramOrder[length] = paramOrder[num5];
numArray2[length] = numArray2[num5];
match[num5] = null;
}
length++;
if (flag3)
{
flag = true;
}
}
else
{
match[num5] = null;
}
}
}
if (length == 0)
{
throw new MissingMemberException(Utils.GetResourceString("NoMethodTakingXArguments2", new string[] { this.CalledMethodName(), Conversions.ToString(this.GetPropArgCount(args, isPropertySet)) }));
}
VBBinderState state = new VBBinderState();
this.m_state = state;
ObjState = state;
state.m_OriginalArgs = args;
if (length == 1)
{
num11 = 0;
}
else
{
num11 = 0;
BindScore unknown = BindScore.Unknown;
int num17 = 0;
int num41 = length - 1;
for (num5 = 0; num5 <= num41; num5++)
{
base4 = match[num5];
if (base4 != null)
{
numArray = (int[]) paramOrder[num5];
BindScore score2 = this.BindingScore(base4.GetParameters(), numArray, argTypes, isPropertySet, numArray2[num5]);
if (score2 < unknown)
{
if (num5 != 0)
{
match[0] = match[num5];
paramOrder[0] = paramOrder[num5];
numArray2[0] = numArray2[num5];
match[num5] = null;
}
num17 = 1;
unknown = score2;
continue;
}
if (score2 == unknown)
{
if ((score2 == BindScore.Exact) || (score2 == BindScore.Widening1))
{
bool flag4;
switch (this.GetMostSpecific(match[0], base4, numArray, paramOrder, isPropertySet, numArray2[0], numArray2[num5], args))
{
case -1:
{
if (num17 != num5)
{
match[num17] = match[num5];
paramOrder[num17] = paramOrder[num5];
numArray2[num17] = numArray2[num5];
match[num5] = null;
}
num17++;
continue;
}
case 0:
{
continue;
}
default:
{
flag4 = true;
int num42 = num17 - 1;
for (int m = 1; m <= num42; m++)
{
if (this.GetMostSpecific(match[m], base4, numArray, paramOrder, isPropertySet, numArray2[m], numArray2[num5], args) != 1)
{
flag4 = false;
break;
}
}
break;
}
}
if (flag4)
{
num17 = 0;
}
if (num5 != num17)
{
match[num17] = match[num5];
paramOrder[num17] = paramOrder[num5];
numArray2[num17] = numArray2[num5];
match[num5] = null;
}
num17++;
continue;
}
if (num17 != num5)
{
match[num17] = match[num5];
paramOrder[num17] = paramOrder[num5];
numArray2[num17] = numArray2[num5];
match[num5] = null;
}
num17++;
continue;
}
match[num5] = null;
}
}
if (num17 > 1)
{
int num43 = match.GetUpperBound(0);
for (num5 = 0; num5 <= num43; num5++)
{
base4 = match[num5];
if (base4 != null)
{
int num44 = match.GetUpperBound(0);
for (int n = 0; n <= num44; n++)
{
if (((num5 != n) && (match[n] != null)) && ((base4 == match[n]) || (base4.DeclaringType.IsSubclassOf(match[n].DeclaringType) && this.MethodsDifferOnlyByReturnType(base4, match[n]))))
{
match[n] = null;
num17--;
}
}
}
}
int num45 = match.GetUpperBound(0);
for (num5 = 0; num5 <= num45; num5++)
{
if (match[num5] == null)
{
int num46 = match.GetUpperBound(0);
for (int num20 = num5 + 1; num20 <= num46; num20++)
{
MethodBase base5 = match[num20];
if (base5 != null)
{
match[num5] = base5;
paramOrder[num5] = paramOrder[num20];
numArray2[num5] = numArray2[num20];
match[num20] = null;
}
}
}
}
}
if (num17 > 1)
{
string str = "\r\n " + Utils.MethodToString(match[0]);
int num47 = num17 - 1;
for (num5 = 1; num5 <= num47; num5++)
{
str = str + "\r\n " + Utils.MethodToString(match[num5]);
}
switch (unknown)
{
case BindScore.Exact:
throw new AmbiguousMatchException(Utils.GetResourceString("AmbiguousCall_ExactMatch2", new string[] { this.CalledMethodName(), str }));
case BindScore.Widening0:
case BindScore.Widening1:
throw new AmbiguousMatchException(Utils.GetResourceString("AmbiguousCall_WideningConversion2", new string[] { this.CalledMethodName(), str }));
}
throw new AmbiguousMatchException(Utils.GetResourceString("AmbiguousCall2", new string[] { this.CalledMethodName(), str }));
}
}
MethodBase base3 = match[num11];
numArray = (int[]) paramOrder[num11];
if (names != null)
{
this.ReorderParams(numArray, args, state);
}
ParameterInfo[] parameters = base3.GetParameters();
if (args.Length > 0)
{
state.m_ByRefFlags = new bool[args.GetUpperBound(0) + 1];
flag = false;
int num48 = parameters.GetUpperBound(0);
for (num9 = 0; num9 <= num48; num9++)
{
if (parameters[num9].ParameterType.IsByRef)
{
if (state.m_OriginalParamOrder == null)
{
if (num9 < state.m_ByRefFlags.Length)
{
state.m_ByRefFlags[num9] = true;
}
}
else if (num9 < state.m_OriginalParamOrder.Length)
{
int num21 = state.m_OriginalParamOrder[num9];
if (num21 >= 0)
{
state.m_ByRefFlags[num21] = true;
}
}
flag = true;
}
}
if (!flag)
{
state.m_ByRefFlags = null;
}
}
else
{
state.m_ByRefFlags = null;
}
num8 = numArray2[num11];
if (num8 != -1)
{
num4 = parameters.GetUpperBound(0);
if (isPropertySet)
{
num4--;
}
num3 = args.GetUpperBound(0);
if (isPropertySet)
{
num3--;
}
object[] objArray4 = new object[(parameters.Length - 1) + 1];
int num49 = Math.Min(num3, num8) - 1;
for (num9 = 0; num9 <= num49; num9++)
{
objArray4[num9] = ObjectType.CTypeHelper(args[num9], parameters[num9].ParameterType);
}
if (num3 < num8)
{
int num50 = num8 - 1;
for (num9 = num3 + 1; num9 <= num50; num9++)
{
objArray4[num9] = ObjectType.CTypeHelper(parameters[num9].DefaultValue, parameters[num9].ParameterType);
}
}
if (isPropertySet)
{
int num22 = objArray4.GetUpperBound(0);
objArray4[num22] = ObjectType.CTypeHelper(args[args.GetUpperBound(0)], parameters[num22].ParameterType);
}
if (num3 == -1)
{
objArray4[num8] = Array.CreateInstance(elementType, 0);
}
else
{
elementType = parameters[num4].ParameterType.GetElementType();
int num23 = (args.Length - parameters.Length) + 1;
parameterType = parameters[num4].ParameterType;
if (((num23 == 1) && parameterType.IsArray) && ((args[num8] == null) || parameterType.IsInstanceOfType(args[num8])))
{
objArray4[num8] = args[num8];
}
else if (elementType == typeof(object))
{
object[] objArray5 = new object[(num23 - 1) + 1];
int num51 = num23 - 1;
for (num = 0; num <= num51; num++)
{
objArray5[num] = ObjectType.CTypeHelper(args[num + num8], elementType);
}
objArray4[num8] = objArray5;
}
else
{
Array array = Array.CreateInstance(elementType, num23);
int num52 = num23 - 1;
for (num = 0; num <= num52; num++)
{
array.SetValue(ObjectType.CTypeHelper(args[num + num8], elementType), num);
}
objArray4[num8] = array;
}
}
args = objArray4;
}
else
{
object[] objArray6 = new object[(parameters.Length - 1) + 1];
int num53 = objArray6.GetUpperBound(0);
num = 0;
while (num <= num53)
{
int num24 = numArray[num];
if ((num24 >= 0) && (num24 <= args.GetUpperBound(0)))
{
objArray6[num] = ObjectType.CTypeHelper(args[num24], parameters[num].ParameterType);
}
else
{
objArray6[num] = ObjectType.CTypeHelper(parameters[num].DefaultValue, parameters[num].ParameterType);
}
num++;
}
int num54 = parameters.GetUpperBound(0);
for (num9 = num; num9 <= num54; num9++)
{
objArray6[num9] = ObjectType.CTypeHelper(parameters[num9].DefaultValue, parameters[num9].ParameterType);
}
args = objArray6;
}
if (base3 == null)
{
throw new MissingMemberException(Utils.GetResourceString("NoMethodTakingXArguments2", new string[] { this.CalledMethodName(), Conversions.ToString(this.GetPropArgCount(args, isPropertySet)) }));
}
return base3;
}
