public SymbolMemberInfo ProcessMember(IDiaSymbol symbol)
{
if (symbol.symTag == (uint)SymTagEnum.SymTagVTable)
{
return(new SymbolMemberInfo(SymbolMemberInfo.MemberCategory.VTable, string.Empty, string.Empty, 8, 0, (ulong)symbol.offset, symbol.bitPosition));
}
if (symbol.isStatic != 0 || (symbol.symTag != (uint)SymTagEnum.SymTagData && symbol.symTag != (uint)SymTagEnum.SymTagBaseClass))
{
return(null);
}
// LocIsThisRel || LocIsNull || LocIsBitField
if (symbol.locationType != 4 && symbol.locationType != 0 && symbol.locationType != 6)
{
return(null);
}
var typeSymbol = symbol.type;
var typeName = GetType(typeSymbol);
var symbolName = symbol.name;
var category = SymbolMemberInfo.MemberCategory.Member;
if ((SymTagEnum)symbol.symTag == SymTagEnum.SymTagBaseClass)
{
category = SymbolMemberInfo.MemberCategory.Base;
}
else if ((SymTagEnum)typeSymbol.symTag == SymTagEnum.SymTagUDT)
{
category = SymbolMemberInfo.MemberCategory.UDT;
}
else if ((SymTagEnum)typeSymbol.symTag == SymTagEnum.SymTagPointerType)
{
category = SymbolMemberInfo.MemberCategory.Pointer;
}
var info = new SymbolMemberInfo(category, symbolName, typeName, typeSymbol.length, symbol.length, (ulong)symbol.offset, symbol.bitPosition);
if (typeSymbol.volatileType == 1)
{
info.Volatile = true;
}
if (symbol.locationType == 6)
{
info.BitField = true;
}
return(info);
}
private string GetType(IDiaSymbol typeSymbol)
{
switch ((SymTagEnum)typeSymbol.symTag)
{
case SymTagEnum.SymTagFunctionType:
var returnType = GetType(typeSymbol.type);
typeSymbol.findChildren(SymTagEnum.SymTagFunctionArgType, null, 0, out var syms);
if (syms.count == 0)
{
returnType += "(void)";
}
else
{
var parameters = new List <string>();
foreach (IDiaSymbol argSym in syms)
{
parameters.Add(GetType(argSym.type));
}
returnType += "(" + string.Join(",", parameters) + ")";
}
return(returnType);
case SymTagEnum.SymTagPointerType:
return(typeSymbol.reference != 0 ? $"{GetType(typeSymbol.type)}&" : $"{GetType(typeSymbol.type)}*");
case SymTagEnum.SymTagBaseType:
if (typeSymbol.constType != 0)
{
return("const " + SymbolMemberInfo.GetBaseType(typeSymbol));
}
return(SymbolMemberInfo.GetBaseType(typeSymbol));
case SymTagEnum.SymTagArrayType:
// get array dimension:
var dimension = typeSymbol.count.ToString();
return($"{GetType(typeSymbol.type)}[{dimension}]");
case SymTagEnum.SymTagUDT:
return(typeSymbol.name);
case SymTagEnum.SymTagEnum:
return($"enum {typeSymbol.name}");
default:
return(string.Empty);
}
}
public static int CompareOffsets(SymbolMemberInfo a, SymbolMemberInfo b)
{
if (a.Offset != b.Offset)
{
return(a.Offset < b.Offset ? -1 : 1);
}
if (a.IsBase != b.IsBase)
{
return(a.IsBase ? -1 : 1);
}
if (a.BitPosition != b.BitPosition)
{
return(a.BitPosition < b.BitPosition ? -1 : 1);
}
if (a.Size != b.Size)
{
return(a.Size > b.Size ? -1 : 1);
}
return(0);
}
private void AddMember(SymbolMemberInfo member)
{
Members.Add(member);
}