A classic text oriented REPL that can be run from the command line. It can be run on systems where there is no windowing system installed (in the console).
Example:
// Text REPL
// A static function as a command
//
public class HelloLib
{
@ScriptyCommand
public static void hello(IContext aCtx)
{
Writer lWriter = (Writer) aCtx.get("*output");
lWriter.writeln("Hello World! (from a static command)");
}
public static void main (String[] aArgs)
{
ScriptyTextRepl lRepl = new ScriptyTextRepl();
lRepl.addLibrary(HelloLib.class);
lRepl.start();
}
}A Swing application with a main window frame, an area to enter commands and a text area to see the results.
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GUI or Text, depending on the runtime capabilities or the choice of the user.
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The developer creates a Swing component and embeds this component in a larger interface.
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- Allow the developer to create an evaluator that continuously parses expressions from a stream and evaluates the expressions if they are complete.
- This is for evaluating large streams of expressions, only the first expression will be parsed and as soon it is complete it will be executed.
- You can feed it a String as well.
- Typically, the processor gobbles up and assembles lines into expressions at its own pace.
- It is more like off-line processing of scripts.
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The developer embeds a command line server in a standalone application so that the running application can be contacted using a standard telnet session. Instrument an application with a mini server so you can monitor what it is up to.
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Create a Scripty interpreter inside the application and invoke the expression evaluator manually. This technique can be used to evaluate command line arguments.
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