public MethodRefSig GetMethodRefSig(uint index)
{
MethodRefSig m = m_signatures[index] as MethodRefSig;
if (m == null)
{
m = new MethodRefSig(index);
m.Accept(this);
m_signatures[index] = m;
}
return(m);
}
/*
*
* public MarshalSig GetMarshalSig (uint index)
* {
* MarshalSig ms = m_signatures [index] as MarshalSig;
* if (ms == null) {
* byte [] data = m_root.Streams.BlobHeap.Read (index);
* ms = ReadMarshalSig (data);
* m_signatures [index] = ms;
* }
* return ms;
* }
*
*/
public MethodSig GetStandAloneMethodSig(uint index)
{
int start;
if ((m_blobData[index] & 0x5) > 0)
{
MethodRefSig mrs = new MethodRefSig(index);
ReadMethodRefSig(mrs, m_blobData, (int)index, out start);
return(mrs);
}
else
{
MethodDefSig mds = new MethodDefSig(index);
ReadMethodDefSig(mds, m_blobData, (int)index, out start);
return(mds);
}
}
private void ReadMethodRefSig(MethodRefSig methodRef, byte[] data, int pos, out int start)
{
methodRef.CallingConvention = data[pos];
start = pos + 1;
methodRef.HasThis = (methodRef.CallingConvention & 0x20) != 0;
methodRef.ExplicitThis = (methodRef.CallingConvention & 0x40) != 0;
if ((methodRef.CallingConvention & 0x1) != 0)
{
methodRef.MethCallConv |= MethodCallingConvention.C;
}
else if ((methodRef.CallingConvention & 0x2) != 0)
{
methodRef.MethCallConv |= MethodCallingConvention.StdCall;
}
else if ((methodRef.CallingConvention & 0x3) != 0)
{
methodRef.MethCallConv |= MethodCallingConvention.ThisCall;
}
else if ((methodRef.CallingConvention & 0x4) != 0)
{
methodRef.MethCallConv |= MethodCallingConvention.FastCall;
}
else if ((methodRef.CallingConvention & 0x5) != 0)
{
methodRef.MethCallConv |= MethodCallingConvention.VarArg;
}
else
{
methodRef.MethCallConv |= MethodCallingConvention.Default;
}
methodRef.ParamCount = Utilities.ReadCompressedInteger(data, start, out start);
methodRef.RetType = ReadRetType(data, start, out start);
int sentpos;
methodRef.Parameters = ReadParameters(methodRef.ParamCount, data, start, out sentpos);
methodRef.Sentinel = sentpos;
}
public SigType ReadType(byte[] data, int pos, out int start)
{
start = pos;
ElementType element = (ElementType)Utilities.ReadCompressedInteger(data, start, out start);
switch (element)
{
case ElementType.ValueType:
VALUETYPE vt = new VALUETYPE();
vt.Type = Utilities.GetMetadataToken(CodedIndex.TypeDefOrRef,
(uint)Utilities.ReadCompressedInteger(data, start, out start));
return(vt);
case ElementType.Class:
CLASS c = new CLASS();
c.Type = Utilities.GetMetadataToken(CodedIndex.TypeDefOrRef,
(uint)Utilities.ReadCompressedInteger(data, start, out start));
return(c);
case ElementType.Ptr:
PTR p = new PTR();
int buf = start;
int flag = Utilities.ReadCompressedInteger(data, start, out start);
p.Void = flag == (int)ElementType.Void;
if (p.Void)
{
return(p);
}
start = buf;
p.CustomMods = ReadCustomMods(data, start, out start);
p.PtrType = ReadType(data, start, out start);
return(p);
case ElementType.FnPtr:
FNPTR fp = new FNPTR();
if ((data[start] & 0x5) != 0)
{
MethodRefSig mr = new MethodRefSig((uint)start);
ReadMethodRefSig(mr, data, start, out start);
fp.Method = mr;
}
else
{
MethodDefSig md = new MethodDefSig((uint)start);
ReadMethodDefSig(md, data, start, out start);
fp.Method = md;
}
return(fp);
case ElementType.Array:
ARRAY ary = new ARRAY();
ary.CustomMods = ReadCustomMods(data, start, out start);
ArrayShape shape = new ArrayShape();
ary.Type = ReadType(data, start, out start);
shape.Rank = Utilities.ReadCompressedInteger(data, start, out start);
shape.NumSizes = Utilities.ReadCompressedInteger(data, start, out start);
shape.Sizes = new int[shape.NumSizes];
for (int i = 0; i < shape.NumSizes; i++)
{
shape.Sizes[i] = Utilities.ReadCompressedInteger(data, start, out start);
}
shape.NumLoBounds = Utilities.ReadCompressedInteger(data, start, out start);
shape.LoBounds = new int[shape.NumLoBounds];
for (int i = 0; i < shape.NumLoBounds; i++)
{
shape.LoBounds[i] = Utilities.ReadCompressedInteger(data, start, out start);
}
ary.Shape = shape;
return(ary);
case ElementType.SzArray:
SZARRAY sa = new SZARRAY();
sa.CustomMods = ReadCustomMods(data, start, out start);
sa.Type = ReadType(data, start, out start);
return(sa);
case ElementType.Var:
return(new VAR(Utilities.ReadCompressedInteger(data, start, out start)));
case ElementType.MVar:
return(new MVAR(Utilities.ReadCompressedInteger(data, start, out start)));
case ElementType.GenericInst:
GENERICINST ginst = new GENERICINST();
ginst.ValueType = ((ElementType)Utilities.ReadCompressedInteger(
data, start, out start)) == ElementType.ValueType;
ginst.Type = Utilities.GetMetadataToken(CodedIndex.TypeDefOrRef,
(uint)Utilities.ReadCompressedInteger(data, start, out start));
ginst.Signature = ReadGenericInstSignature(data, start, out start);
return(ginst);
default:
return(new SigType(element));
}
}
public override void VisitMethodRefSig(MethodRefSig methodRef)
{
int start;
ReadMethodRefSig(methodRef, m_blobData, (int)methodRef.BlobIndex, out start);
}
