Examples with BacktrackingLexerDocumentTokenSource org.eclipse.xtext.ui.editor.model.BacktrackingLexerDocumentTokenSource used on opensource projects

Example 1 with BacktrackingLexerDocumentTokenSource

use of org.eclipse.xtext.ui.editor.model.BacktrackingLexerDocumentTokenSource in project xtext-eclipse by eclipse.

the class BacktrackingLexerPresentationDamagerTest method createDocument.

@Override
protected Document createDocument(String before) throws Exception {
    DocumentTokenSource source = new BacktrackingLexerDocumentTokenSource();
    source.setLexer(new Provider<Lexer>() {

        @Override
        public Lexer get() {
            return createLexer();
        }
    });
    XtextDocument document = new XtextDocument(source, null, outdatedStateManager, operationCanceledManager);
    document.set(before);
    return document;
}