Examples with ReplaceRegion org.eclipse.xtext.util.ReplaceRegion used on opensource projects

Example 51 with ReplaceRegion

use of org.eclipse.xtext.util.ReplaceRegion in project xtext-eclipse by eclipse.

the class XbaseTemplateContext method evaluate.

@Override
public TemplateBuffer evaluate(Template template) throws BadLocationException, TemplateException {
    IXtextDocument xDocument = xtextDocumentUtil.getXtextDocument(getDocument());
    // Ensure clean state before evaluation starts
    imports.clear();
    TemplateBuffer resolvedContent = super.evaluate(template);
    Position position = new Position(getCompletionOffset(), 0);
    List<ReplaceRegion> rewrite = createImports(imports, xDocument);
    if (rewrite.size() > 0 && !isReadOnly()) {
        // Remember the completion offset before performing doc changes
        // $NON-NLS-1$
        final String category = "__template_position_import_section" + System.currentTimeMillis();
        IPositionUpdater updater = new DefaultPositionUpdater(category);
        xDocument.addPositionCategory(category);
        xDocument.addPositionUpdater(updater);
        xDocument.addPosition(position);
        try {
            replaceConverter.convertToTextEdit(rewrite).apply(xDocument);
            // restore CompletionOffset
            setCompletionOffset(position.getOffset());
        } catch (BadLocationException e) {
            throw new TemplateException(e);
        } finally {
            xDocument.removePosition(position);
            xDocument.removePositionUpdater(updater);
            try {
                xDocument.removePositionCategory(category);
            } catch (BadPositionCategoryException e) {
                throw new TemplateException(e);
            }
        }
    }
    return resolvedContent;
}

Example 52 with ReplaceRegion

use of org.eclipse.xtext.util.ReplaceRegion in project xtext-eclipse by eclipse.

the class XbaseQuickfixProvider method fixObsoletCast.

@Fix(IssueCodes.OBSOLETE_CAST)
public void fixObsoletCast(final Issue issue, IssueResolutionAcceptor acceptor) {
    String fixup = "Remove unnecessary cast";
    acceptor.accept(issue, fixup, fixup, null, new IModification() {

        @Override
        public void apply(IModificationContext context) throws Exception {
            final IXtextDocument document = context.getXtextDocument();
            ReplaceRegion replacement = document.tryReadOnly(new IUnitOfWork<ReplaceRegion, XtextResource>() {

                @Override
                public ReplaceRegion exec(XtextResource state) throws Exception {
                    EObject type = state.getEObject(issue.getUriToProblem().fragment());
                    XCastedExpression cast = EcoreUtil2.getContainerOfType(type, XCastedExpression.class);
                    INode castNode = NodeModelUtils.findActualNodeFor(cast);
                    INode targetNode = NodeModelUtils.findActualNodeFor(cast.getTarget());
                    return new ReplaceRegion(castNode.getTotalTextRegion(), targetNode.getText());
                }
            });
            if (replacement != null) {
                document.replace(replacement.getOffset(), replacement.getLength(), replacement.getText());
            }
        }
    });
}