/* (non-Javadoc)
* @see org.rascalmpl.tasks.ITaskRegistry#getProducer(Type, IValue)
*/
@Override
public ITask<Type, IValue, IValue> getProducer(Type key, IValue name) {
lock.lock();
try {
Map<Type, ITask<Type, IValue, IValue>> producerMap = keyedProducers.get(key);
if (producerMap != null) {
Type nameType = name.getType();
if (producerMap.containsKey(nameType)) return producerMap.get(nameType);
for (Map.Entry<Type, ITask<Type, IValue, IValue>> t : producerMap.entrySet()) {
if (nameType.isSubtypeOf(t.getKey())) return t.getValue();
}
}
throw new ImplementationError("No suitable producer found for " + key + "(" + name + ")");
} finally {
lock.unlock();
}
}
@Override
public <U extends IValue, V extends IValue> Result<U> fieldUpdate(
String name, Result<V> repl, TypeStore store) {
if (!getType().hasFieldNames()) {
throw new UndeclaredFieldError(name, getType(), ctx.getCurrentAST());
}
try {
int index = getType().getFieldIndex(name);
Type type = getType().getFieldType(index);
if (!type.isSubtypeOf(repl.getType())) {
throw new UnexpectedTypeError(type, repl.getType(), ctx.getCurrentAST());
}
return makeResult(getType(), getValue().set(index, repl.getValue()), ctx);
} catch (UndeclaredFieldException e) {
throw new UndeclaredFieldError(name, getType(), ctx.getCurrentAST());
}
}