public class MyDslEditStrategyProvider extends DefaultAutoEditStrategyProvider {

	@Inject
	Provider<IGrammarAccess> iGrammar;

	private Set<String> kwds;
	
	@Override
	protected void configure(IEditStrategyAcceptor acceptor) {

		kwds = GrammarUtil.getAllKeywords(iGrammar.get().getGrammar());

		IAutoEditStrategy strategy = new IAutoEditStrategy() {

			@Override
			public void customizeDocumentCommand(IDocument document, DocumentCommand command) {

				if ( command.text.length() == 0 || command.text.charAt(0) > ' ') return;

				IRegion reg = ((XtextDocument) document).getLastDamage();

				try {
					String token = document.get(reg.getOffset(), reg.getLength());
					String uToken = token.toUpperCase();
					if ( uToken.equals(token) || !kwds.contains(uToken) ) return; 
					document.replace(reg.getOffset(), reg.getLength(), uToken);

				} catch (Exception e) {}
			}
		};

		acceptor.accept(strategy, IDocument.DEFAULT_CONTENT_TYPE);

		super.configure(acceptor);

	}

}