void ReadMethodDefSig(MethodDefSig methodDef, byte [] data, int pos, out int start)
{
methodDef.CallingConvention = data [pos];
start = pos + 1;
methodDef.HasThis = (methodDef.CallingConvention & 0x20) != 0;
methodDef.ExplicitThis = (methodDef.CallingConvention & 0x40) != 0;
if ((methodDef.CallingConvention & 0x5) != 0)
{
methodDef.MethCallConv |= MethodCallingConvention.VarArg;
}
else if ((methodDef.CallingConvention & 0x10) != 0)
{
methodDef.MethCallConv |= MethodCallingConvention.Generic;
methodDef.GenericParameterCount = Utilities.ReadCompressedInteger(data, start, out start);
}
else
{
methodDef.MethCallConv |= MethodCallingConvention.Default;
}
methodDef.ParamCount = Utilities.ReadCompressedInteger(data, start, out start);
methodDef.RetType = ReadRetType(data, start, out start);
int sentpos;
methodDef.Parameters = ReadParameters(methodDef.ParamCount, data, start, out start, out sentpos);
methodDef.Sentinel = sentpos;
}
public override void VisitMethodDefSig(MethodDefSig methodDef)
{
m_sigWriter.Write(methodDef.CallingConvention);
if (methodDef.GenericParameterCount > 0)
{
Write(methodDef.GenericParameterCount);
}
Write(methodDef.ParamCount);
Write(methodDef.RetType);
Write(methodDef.Parameters, methodDef.Sentinel);
}
public MethodDefSig GetMethodDefSig(uint index)
{
MethodDefSig m = m_signatures [index] as MethodDefSig;
if (m == null)
{
m = new MethodDefSig(index);
m.Accept(this);
m_signatures [index] = m;
}
return(m);
}
public MethodSig GetStandAloneMethodSig(uint index)
{
byte [] data = m_root.Streams.BlobHeap.Read(index);
int start;
if ((data [0] & 0x5) > 0)
{
MethodRefSig mrs = new MethodRefSig(index);
ReadMethodRefSig(mrs, data, 0, out start);
return(mrs);
}
else
{
MethodDefSig mds = new MethodDefSig(index);
ReadMethodDefSig(mds, data, 0, out start);
return(mds);
}
}
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 VisitMethodDefSig(MethodDefSig methodDef)
{
int start;
ReadMethodDefSig(methodDef, m_root.Streams.BlobHeap.Read(methodDef.BlobIndex), 0, out start);
}
public uint AddMethodDefSig(MethodDefSig methSig)
{
return(AddSignature(methSig));
}