Compiles the script (source read from Reader) for later execution.

  Compiles the script (source read from Reader) for
later execution. Functionality is identical to
compile(String) other than the way in which the source is
passed.
Returns: An implementation of CompiledScript to be executed later using one of its eval methods of CompiledScript.
Parameters:
- script - The reader from which the script source is obtained.
Throws:
- ScriptException - if compilation fails.
- NullPointerException - if argument is null.

  Compiles the script (source represented as a String) for later execution.

  Compiles the script (source represented as a String) for
later execution.
Returns: An subclass of CompiledScript to be executed later using one of the eval methods of CompiledScript.
Parameters:
- script - The source of the script, represented as a String.
Throws:
- ScriptException - if compilation fails.
- NullPointerException - if the argument is null.