/// <summary>
/// Initializes a new instance of the <see cref="DiaSymbolField"/> class.
/// </summary>
/// <param name="parentType">The parent type.</param>
/// <param name="symbol">The DIA symbol.</param>
public DiaSymbolField(DiaSymbol parentType, IDiaSymbol symbol)
: base(parentType)
{
this.symbol = symbol;
Name = symbol.name;
LocationType = symbol.locationType;
DataKind = symbol.dataKind;
Offset = symbol.offset;
Value = symbol.value;
ulong size = symbol.length;
if (size > int.MaxValue)
{
throw new ArgumentException("Symbol size is unexpected");
}
Size = (int)size;
uint bitPosition = symbol.bitPosition;
if (bitPosition > int.MaxValue)
{
throw new ArgumentException("Symbol bit position is unexpected");
}
BitPosition = (int)bitPosition;
IDiaSymbol type = symbol.type;
if (type != null)
{
Type = ((DiaModule)Module).GetSymbol(type);
}
}
/// <summary>
/// Gets the symbol from the cache or adds new entry in the cache if symbol wasn't previously found.
/// </summary>
/// <param name="symbol">The symbol.</param>
internal Symbol GetSymbol(IDiaSymbol symbol)
{
if (symbol == null)
{
return(null);
}
Symbol s;
uint symbolId = symbol.symIndexId;
if (!symbolById.TryGetValue(symbolId, out s))
{
s = new DiaSymbol(this, symbol);
lock (this)
{
Symbol previousSymbol = null;
symbolById.TryAdd(symbolId, s);
if (s.Tag != CodeTypeTag.ModuleGlobals)
{
if (!symbolByName.TryGetValue(s.Name, out previousSymbol))
{
symbolByName.TryAdd(s.Name, s);
}
else
{
previousSymbol.LinkSymbols(s);
}
}
}
s.InitializeCache();
}
return(s);
}