public static IEnumerable <int> GetLengths(this ArraySigBase ary)
{
var sizes = ary.GetSizes();
for (int i = 0; i < (int)ary.Rank; i++)
{
yield return(i < sizes.Count ? (int)sizes[i] - 1 : 0);
}
}
static void AppendTypeName(StringBuilder b, TypeSig type)
{
if (type == null)
{
return;
}
if (type is GenericInstSig)
{
GenericInstSig giType = (GenericInstSig)type;
AppendTypeNameWithArguments(b, giType.GenericType == null ? null : giType.GenericType.TypeDefOrRef, giType.GenericArguments);
return;
}
ArraySigBase arrayType = type as ArraySigBase;
if (arrayType != null)
{
AppendTypeName(b, arrayType.Next);
b.Append('[');
var lowerBounds = arrayType.GetLowerBounds();
var sizes = arrayType.GetSizes();
for (int i = 0; i < arrayType.Rank; i++)
{
if (i > 0)
{
b.Append(',');
}
if (i < lowerBounds.Count && i < sizes.Count)
{
b.Append(lowerBounds[i]);
b.Append(':');
b.Append(sizes[i] + lowerBounds[i] - 1);
}
}
b.Append(']');
return;
}
ByRefSig refType = type as ByRefSig;
if (refType != null)
{
AppendTypeName(b, refType.Next);
b.Append('@');
return;
}
PtrSig ptrType = type as PtrSig;
if (ptrType != null)
{
AppendTypeName(b, ptrType.Next);
b.Append('*');
return;
}
GenericSig gp = type as GenericSig;
if (gp != null)
{
b.Append('`');
if (gp.IsMethodVar)
{
b.Append('`');
}
b.Append(gp.Number);
}
else
{
var typeRef = type.ToTypeDefOrRef();
if (typeRef.DeclaringType != null)
{
AppendTypeName(b, typeRef.DeclaringType.ToTypeSig());
b.Append('.');
b.Append(typeRef.Name);
}
else
{
FullNameCreator.FullNameSB(type, false, null, null, null, b);
}
}
}
static void AppendTypeName(StringBuilder b, TypeSig type)
{
if (type == null)
{
// could happen when a TypeSpecification has no ElementType; e.g. function pointers in C++/CLI assemblies
return;
}
if (type is GenericInstSig)
{
GenericInstSig giType = (GenericInstSig)type;
AppendTypeNameWithArguments(b, giType.GenericType == null ? null : giType.GenericType.TypeDefOrRef, giType.GenericArguments);
return;
}
ArraySigBase arrayType = type as ArraySigBase;
if (arrayType != null)
{
AppendTypeName(b, arrayType.Next);
b.Append('[');
var lowerBounds = arrayType.GetLowerBounds();
var sizes = arrayType.GetSizes();
for (int i = 0; i < arrayType.Rank; i++)
{
if (i > 0)
{
b.Append(',');
}
if (i < lowerBounds.Count && i < sizes.Count)
{
b.Append(lowerBounds[i]);
b.Append(':');
b.Append(sizes[i] + lowerBounds[i] - 1);
}
}
b.Append(']');
return;
}
ByRefSig refType = type as ByRefSig;
if (refType != null)
{
AppendTypeName(b, refType.Next);
b.Append('@');
return;
}
PtrSig ptrType = type as PtrSig;
if (ptrType != null)
{
AppendTypeName(b, ptrType.Next);
b.Append('*');
return;
}
GenericSig gp = type as GenericSig;
if (gp != null)
{
b.Append('`');
if (gp.IsMethodVar)
{
b.Append('`');
}
b.Append(gp.Number);
}
else
{
var typeRef = type.ToTypeDefOrRef();
if (typeRef.DeclaringType != null)
{
AppendTypeName(b, typeRef.DeclaringType.ToTypeSig());
b.Append('.');
b.Append(typeRef.Name);
}
else
{
b.Append(type.FullName);
}
}
}
bool ForwardScanInitializeArrayRuntimeHelper(List <ILNode> body, int pos, ILVariable array, ArraySigBase arrayType, int arrayLength, out ILExpression[] values, out int foundPos)
{
ILVariable v2;
IMethod methodRef;
ILExpression methodArg1;
ILExpression methodArg2;
IField fieldRef;
if (body.ElementAtOrDefault(pos).Match(ILCode.Call, out methodRef, out methodArg1, out methodArg2) &&
methodRef.DeclaringType.FullName == "System.Runtime.CompilerServices.RuntimeHelpers" &&
methodRef.Name == "InitializeArray" &&
methodArg1.Match(ILCode.Ldloc, out v2) &&
array == v2 &&
methodArg2.Match(ILCode.Ldtoken, out fieldRef))
{
FieldDef fieldDef = fieldRef.ResolveFieldWithinSameModule();
if (fieldDef != null && fieldDef.InitialValue != null)
{
ILExpression[] newArr = new ILExpression[arrayLength];
if (DecodeArrayInitializer(arrayType.Next, fieldDef.InitialValue, newArr))
{
values = newArr;
foundPos = pos;
return(true);
}
}
}
values = null;
foundPos = -1;
return(false);
}
