Runs an instance of the shell.
Runs an instance of the shell.
The main entry point for executing the REPL.
The main entry point for executing the REPL.
This method is lifted from scala.tools.nsc.MainGenericRunner and modified to allow for custom functionality, including determining at runtime if the REPL is running, and making custom REPL colon-commands available to the user.
passed from the command line
true
if execution was successful, false
otherwise