private void LoadStruct(StructLexer lexer, List <Attribute> attrs)
{
string name = lexer.GetNextToken(StructTokenType.String);
if (_curStructFile.GetStructByName(name) != null)
{
throw new Exception("Duplicate structure name '" + name + "'");
}
LoadAttributes(lexer, attrs);
StructDef structDef = new StructDef(_curStructFile, name);
foreach (Attribute attr in attrs)
{
try
{
structDef.SetAttribute(attr.Key, attr.Value, attr.Position);
}
catch (ParseException ex)
{
_errors.Add(ex);
}
}
LoadFieldGroup(lexer, structDef, null);
_curStructFile.Add(structDef);
}
private static IConvertible SizeOf(StructInstance context, Expression[] parameters)
{
if (parameters.Length != 1)
{
throw new LoadDataException("SizeOf function requires an argument");
}
if (!(parameters [0] is SymbolExpression))
{
throw new LoadDataException("SizeOf argument must be a symbol");
}
string symbol = ((SymbolExpression)parameters[0]).Symbol;
StructFile structFile = context.Def.StructFile;
StructDef def = structFile.GetStructByName(symbol);
if (def == null)
{
throw new LoadDataException("Structure '" + symbol + "' not found");
}
return(def.GetDataSize());
}
