/** Get the annotations of this parameter. Return an empty array if there are none. */
public AnnotationDesc[] annotations() {
AnnotationDesc res[] = new AnnotationDesc[sym.getRawAttributes().length()];
int i = 0;
for (Attribute.Compound a : sym.getRawAttributes()) {
res[i++] = new AnnotationDescImpl(env, a);
}
return res;
}
/** @return all values of the given enum type, in declaration order. */
public static LinkedHashSet<String> enumValues(TypeSymbol enumType) {
if (enumType.getKind() != ElementKind.ENUM) {
throw new IllegalStateException();
}
Scope scope = enumType.members();
Deque<String> values = new ArrayDeque<>();
for (Symbol sym : scope.getSymbols()) {
if (sym instanceof VarSymbol) {
VarSymbol var = (VarSymbol) sym;
if ((var.flags() & Flags.ENUM) != 0) {
/**
* Javac gives us the members backwards, apparently. It's worth making an effort to
* preserve declaration order because it's useful for diagnostics (e.g. in {@link
* MissingCasesInEnumSwitch}).
*/
values.push(sym.name.toString());
}
}
}
return new LinkedHashSet<>(values);
}
private static boolean isParameter(VarSymbol var) {
return (var.flags() & Flags.PARAMETER) != 0;
}
/**
* Get local name of this parameter. For example if parameter is the short 'index', returns
* "index".
*/
public String name() {
return sym.toString();
}
/**
* Make an item representing a local variable.
*
* @param v The represented variable.
*/
LocalItem makeLocalItem(VarSymbol v) {
return new LocalItem(v.erasure(types), v.adr);
}