public void printScope(String label, Scope scope, Details details) {
if (scope == null) {
printNull(label);
} else {
switch (details) {
case SUMMARY:
{
indent();
out.print(label);
out.print(": [");
String sep = "";
for (Symbol sym : scope.getSymbols()) {
out.print(sep);
out.print(sym.name);
sep = ",";
}
out.println("]");
break;
}
case FULL:
{
indent();
out.println(label);
indent(+1);
printFullScopeImpl(scope);
indent(-1);
break;
}
}
}
}
/** @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);
}
void printFullScopeImpl(Scope scope) {
indent();
out.println(scope.getClass().getName());
printSymbol("owner", scope.owner, Details.SUMMARY);
if (SCOPE_IMPL_CLASS.equals(scope.getClass().getName())) {
printScope("next", (Scope) getField(scope, scope.getClass(), "next"), Details.SUMMARY);
printObject("shared", getField(scope, scope.getClass(), "shared"), Details.SUMMARY);
Object[] table = (Object[]) getField(scope, scope.getClass(), "table");
for (int i = 0; i < table.length; i++) {
if (i > 0) out.print(", ");
else indent();
out.print(i + ":" + entryToString(table[i], table, false));
}
out.println();
} else if (FILTER_SCOPE_CLASS.equals(scope.getClass().getName())) {
printScope("origin", (Scope) getField(scope, scope.getClass(), "origin"), Details.FULL);
} else if (scope instanceof CompoundScope) {
printList("delegates", (List<?>) getField(scope, CompoundScope.class, "subScopes"));
} else {
for (Symbol sym : scope.getSymbols()) {
printSymbol(sym.name.toString(), sym, Details.SUMMARY);
}
}
}