public Value evaluate(Context context, MetaDataNode node) {
if ("Style".equals(node.getId())) {
if (NodeMagic.isClassDefinition(node)) {
processStyle(context, node);
} else {
context.localizedError2(node.pos(), new StyleMustAnnotateAClass());
}
}
return null;
}
private void processStyle(Context context, MetaDataNode metaDataNode) {
MetaData metaData = new MetaData(metaDataNode);
String styleName = metaData.getValue("name");
String typeName = metaData.getValue("type");
if (styleName == null) {
// preilly: we should report this earlier in the process.
context.localizedError2(metaDataNode.pos(), new StyleHasMissingName());
}
if (typeName != null) {
unit.expressions.add(NameFormatter.toMultiName(typeName));
}
registerStyle(context, metaDataNode, styleName, metaData);
}