private bool SkipFunkyAndCustomModifiers()
{
SigParser sigTemp = new SigParser(this);
if (!sigTemp.SkipAnyVASentinel())
{
return(false);
}
byte bElementType = 0;
if (!sigTemp.PeekByte(out bElementType))
{
return(false);
}
while (ELEMENT_TYPE_CMOD_REQD == bElementType ||
ELEMENT_TYPE_CMOD_OPT == bElementType ||
ELEMENT_TYPE_MODIFIER == bElementType ||
ELEMENT_TYPE_PINNED == bElementType)
{
sigTemp.SkipBytes(1);
int token;
if (!sigTemp.GetToken(out token))
{
return(false);
}
if (!sigTemp.PeekByte(out bElementType))
{
return(false);
}
}
// Following custom modifiers must be an element type value which is less than ELEMENT_TYPE_MAX, or one of the other element types
// that we support while parsing various signatures
if (bElementType >= ELEMENT_TYPE_MAX)
{
switch (bElementType)
{
case ELEMENT_TYPE_PINNED:
break;
default:
return(false);
}
}
CopyFrom(sigTemp);
return(true);
}// SkipFunkyAndCustomModifiers
private bool GetElemTypeSlow(out int etype)
{
SigParser sigTemp = new SigParser(this);
if (sigTemp.SkipCustomModifiers())
{
byte elemType;
if (sigTemp.GetByte(out elemType))
{
etype = elemType;
this.CopyFrom(sigTemp);
return(true);
}
}
etype = 0;
return(false);
}
private void CopyFrom(SigParser rhs)
{
_sig = rhs._sig;
_len = rhs._len;
_offs = rhs._offs;
}
public SigParser(SigParser rhs)
{
_sig = rhs._sig;
_len = rhs._len;
_offs = rhs._offs;
}
private bool PeekElemTypeSize(out int pSize)
{
pSize = 0;
SigParser sigTemp = new SigParser(this);
if (!sigTemp.SkipAnyVASentinel())
{
return(false);
}
byte bElementType = 0;
if (!sigTemp.GetByte(out bElementType))
{
return(false);
}
switch (bElementType)
{
case ELEMENT_TYPE_I8:
case ELEMENT_TYPE_U8:
case ELEMENT_TYPE_R8:
pSize = 8;
break;
case ELEMENT_TYPE_I4:
case ELEMENT_TYPE_U4:
case ELEMENT_TYPE_R4:
pSize = 4;
break;
case ELEMENT_TYPE_I2:
case ELEMENT_TYPE_U2:
case ELEMENT_TYPE_CHAR:
pSize = 2;
break;
case ELEMENT_TYPE_I1:
case ELEMENT_TYPE_U1:
case ELEMENT_TYPE_BOOLEAN:
pSize = 1;
break;
case ELEMENT_TYPE_I:
case ELEMENT_TYPE_U:
case ELEMENT_TYPE_STRING:
case ELEMENT_TYPE_PTR:
case ELEMENT_TYPE_BYREF:
case ELEMENT_TYPE_CLASS:
case ELEMENT_TYPE_OBJECT:
case ELEMENT_TYPE_FNPTR:
case ELEMENT_TYPE_TYPEDBYREF:
case ELEMENT_TYPE_ARRAY:
case ELEMENT_TYPE_SZARRAY:
pSize = IntPtr.Size;
break;
case ELEMENT_TYPE_VOID:
break;
case ELEMENT_TYPE_END:
case ELEMENT_TYPE_CMOD_REQD:
case ELEMENT_TYPE_CMOD_OPT:
case ELEMENT_TYPE_VALUETYPE:
Debug.Fail("Asked for the size of an element that doesn't have a size!");
return(false);
default:
Debug.Fail("CorSigGetElementTypeSize given invalid signature to size!");
return(false);
}
return(true);;
}
private bool PeekElemTypeSlow(out int etype)
{
SigParser sigTemp = new SigParser(this);
return(sigTemp.GetElemType(out etype));
}