// Place it on the execution stack.
this.executionStack.push(this.standardInput);
// Get the System Dictionary.
PsSystemDict4a systemDictToUse = systemDict;
if (systemDictToUse == null) {
systemDictToUse = new ReadOnlySystemDict();
}
// Register this as the parent of the System Dictionary
systemDictToUse.setPSInterpreter(this);
final PsServer4a psServer = new PsServer4a();
// Add the Standard Encoding to the System Dictionary.