jshell Bach.java fails...

[sormuras]

Compilation chokes on current HEAD revision.

jshell https://raw.githubusercontent.com/sormuras/bach/master/src/bach/Bach.java

Error:
cannot find symbol
  symbol:   variable Property
    for (var property : Property.values()) {
                        ^------^
Error:
cannot find symbol
  symbol:   variable Action
      var action = Action.valueOf(Property.ACTION.get().toUpperCase());
                   ^----^
Error:
package Property does not exist
      var action = Action.valueOf(Property.ACTION.get().toUpperCase());
                                  ^-------------^
Error:
cannot find symbol
  symbol:   variable Action
        var action = Action.valueOf(argument.toUpperCase());
[...]
Error:
cannot find symbol
  symbol:   class Command
      var command = new Command(executable.toString()).addAll(arguments);
                        ^-----^
Error:
exception java.io.IOException is never thrown in body of corresponding try statement
      } catch (IOException e) {
        ^----------------------...
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This revision works!
jshell https://raw.githubusercontent.com/sormuras/bach/5e7165ef06c26423d8906038f2e061eb6cd8f374/src/bach/Bach.java

Here it stopped working...
jshell https://raw.githubusercontent.com/sormuras/bach/13cf5eb5a9045ac0158d6da585105d359591ba7f/src/bach/Bach.java

[sormuras]

2 (or more) layers deep forward declaration is the underlying issue: https://bugs.openjdk.java.net/browse/JDK-8218179

[sormuras]

All types are declared within Bach.java again. This by-passes this issue.