/**
* @see parser.IDLParserVisitor#visit(ASTenum_type, Object)
* @param data the current buildinfo instance
*/
public Object visit(ASTenum_type node, Object data) {
CheckParameterForBuildInfo(data, node);
BuildInfo buildInfo = (BuildInfo) data;
Symbol forSymbol = buildInfo.GetBuildScope().getSymbol(node.getIdent());
// check if type is known from a previous run over a parse tree --> if so: skip
TypeContainer resultTypeContainer = null;
if (m_typeManager.CheckSkip(forSymbol)) {
resultTypeContainer = m_typeManager.GetKnownType(forSymbol);
} else {
TypeAttributes typeAttrs = TypeAttributes.Class | TypeAttributes.Public | TypeAttributes.Sealed;
TypeBuilder enumToCreate =
m_typeManager.StartTypeDefinition(forSymbol, typeAttrs,
typeof(System.Enum), Type.EmptyTypes, false);
// add value__ field, see DefineEnum method of ModuleBuilder
enumToCreate.DefineField("value__", typeof(System.Int32),
FieldAttributes.Public | FieldAttributes.SpecialName | FieldAttributes.RTSpecialName);
// add enum entries
for (int i = 0; i < node.jjtGetNumChildren(); i++) {
String enumeratorId = ((SimpleNodeWithIdent)node.jjtGetChild(i)).getIdent();
FieldBuilder enumVal = enumToCreate.DefineField(enumeratorId, enumToCreate,
FieldAttributes.Public | FieldAttributes.Static | FieldAttributes.Literal);
enumVal.SetConstant((System.Int32) i);
}
// add type specific attributes
enumToCreate.SetCustomAttribute(new IdlEnumAttribute().CreateAttributeBuilder());
m_ilEmitHelper.AddSerializableAttribute(enumToCreate);
// create the type
Type resultType = m_typeManager.EndTypeDefinition(forSymbol);
resultTypeContainer = new TypeContainer(resultType);
}
// update the symbol values: (do this also, if type is from another assembly)
for (int i = 0; i < node.jjtGetNumChildren(); i++) {
String enumeratorId = ((SimpleNodeWithIdent)node.jjtGetChild(i)).getIdent();
// update symbol with value
SymbolValue symbol = (SymbolValue)buildInfo.GetBuildScope().getSymbol(enumeratorId);
object enumVal = Enum.ToObject(resultTypeContainer.GetCompactClsType(), (System.Int32) i);
symbol.SetValueAsLiteral(new EnumValLiteral(enumVal));
}
return resultTypeContainer;
}
