/*
* Execute next document update (i.e. that was queued from
* {@link InteractiveInterpreterConsole#executeCommand(String)}
* if present.
*/
protected void consumeNextQueuedCommand() {
Assert.isNotNull(page);
Assert.isTrue(page.getViewer().isEditable());
Assert.isTrue(promptInitialized);
IDocument doc = getDocument();
String command = delayedCommandQueue.poll();
if (command != null) {
boolean validCommand = true;
try {
if (command.startsWith("main();")) {
// this command is special cased to make sure a main is defined
// Paul has indicated new users are confused by the errors caused
// by the lack of a main() method in the "executed" module.
List<AbstractFunction> collection = new ArrayList<AbstractFunction>();
getInterpreter().getEval().getCurrentEnvt().getAllFunctions("main", collection);
if (collection.isEmpty()) {
// main is not defined, dropping the command
getInterpreter()
.getEval()
.getStdErr()
.println("Dropping command: \"main();\" since main is not defined");
validCommand = false;
}
}
if (validCommand) {
doc.replace(inputOffset, doc.getLength() - inputOffset, command);
}
} catch (BadLocationException blex) {
// Ignore, can't happen.
}
if (validCommand) {
moveCaretTo(doc.getLength());
}
}
}
