Examples with IParseResult org.eclipse.xtext.parser.IParseResult used on opensource projects

Example 1 with IParseResult

use of org.eclipse.xtext.parser.IParseResult in project xtext-eclipse by eclipse.

the class XtextReconcilerDebugger method assertResouceParsedCorrectly.

public void assertResouceParsedCorrectly(XtextResource resource, final ReconcilerReplaceRegion region) {
    IParseResult parseResult = resource.getParseResult();
    if (parseResult != null) {
        ICompositeNode rootNode = parseResult.getRootNode();
        final String resourceContent = rootNode.getText();
        IParseResult reparseResult = parser.parse(new StringReader(resourceContent));
        if (!emfStructureComparator.isSameStructure(parseResult.getRootASTElement(), reparseResult.getRootASTElement())) {
            new DisplayRunnable() {

                @Override
                protected void run() throws Exception {
                    LOG.error("PartialParsing produced wrong model");
                    LOG.error("Events: \n\t" + Joiner.on("\n\t").join(region.getDocumentEvents()));
                    LOG.error("ReplaceRegion: \n\t'" + region + "'");
                    MessageDialog.openError(Display.getCurrent().getActiveShell(), "XtextReconcilerDebugger", "PartialParsing produced wrong model." + "\n\nSee log for details.");
                }
            };
        }
    }
}

Example 2 with IParseResult

use of org.eclipse.xtext.parser.IParseResult in project xtext-eclipse by eclipse.

the class XtextReconcilerDebugger method assertModelInSyncWithDocument.

public void assertModelInSyncWithDocument(IDocument document, XtextResource resource, final ReconcilerReplaceRegion region) {
    if (document instanceof IDocumentExtension4 && resource != null) {
        long beforeGet = ((IDocumentExtension4) document).getModificationStamp();
        final String documentContent = document.get();
        long afterGet = ((IDocumentExtension4) document).getModificationStamp();
        if (beforeGet == afterGet && beforeGet == resource.getModificationStamp()) {
            IParseResult parseResult = resource.getParseResult();
            if (parseResult != null) {
                ICompositeNode rootNode = parseResult.getRootNode();
                final String resourceContent = rootNode.getText();
                if (!resourceContent.equals(documentContent)) {
                    new DisplayRunnable() {

                        @Override
                        protected void run() throws Exception {
                            LOG.error("XtextDocument and XtextResource have run out of sync:\n" + DiffUtil.diff(documentContent, resourceContent));
                            LOG.error("Events: \n\t" + Joiner.on("\n\t").join(region.getDocumentEvents()));
                            LOG.error("ReplaceRegion: \n\t'" + region + "'");
                            MessageDialog.openError(Display.getCurrent().getActiveShell(), "XtextReconcilerDebugger", "XtextDocument and XtextResource have run out of sync." + "\n\nSee log for details.");
                        }
                    }.syncExec();
                } else {
                    if (LOG.isDebugEnabled())
                        LOG.debug("Model and document are in sync");
                }
            }
        }
    }
}

Example 3 with IParseResult

use of org.eclipse.xtext.parser.IParseResult in project xtext-eclipse by eclipse.

the class AstSelectionProvider method selectEnclosing.

public ITextRegion selectEnclosing(XtextResource resource, ITextRegion currentEditorSelection) {
    Pair<EObject, EObject> currentlySelected = getSelectedAstElements(resource, currentEditorSelection);
    if (currentlySelected == null) {
        IParseResult parseResult = resource.getParseResult();
        if (parseResult != null) {
            ICompositeNode rootNode = parseResult.getRootNode();
            int offset = getSelectionOffset(rootNode, currentEditorSelection);
            INode node = findLeafNodeAtOffset(rootNode, offset);
            if (node != null) {
                ITextRegion fineGrainedRegion = computeInitialFineGrainedSelection(node, currentEditorSelection);
                if (fineGrainedRegion != null) {
                    selectionHistory.clear();
                    register(currentEditorSelection);
                    return register(fineGrainedRegion);
                }
                EObject eObject = findSemanticObjectFor(node);
                return register(getTextRegion(eObject));
            }
        }
    } else {
        EObject first = currentlySelected.getFirst();
        if (first.eContainer() != null) {
            return register(getTextRegion(first.eContainer()));
        }
    }
    return ITextRegion.EMPTY_REGION;
}

Example 4 with IParseResult

use of org.eclipse.xtext.parser.IParseResult in project xtext-eclipse by eclipse.

the class AstSelectionProvider method getEObjectAtOffset.

protected EObject getEObjectAtOffset(XtextResource resource, ITextRegion currentEditorSelection) {
    IParseResult parseResult = resource.getParseResult();
    if (parseResult != null) {
        ICompositeNode rootNode = parseResult.getRootNode();
        INode nodeAtOffset = findLeafNodeAtOffset(rootNode, currentEditorSelection.getOffset());
        return findSemanticObjectFor(nodeAtOffset);
    }
    return null;
}

Example 5 with IParseResult

use of org.eclipse.xtext.parser.IParseResult in project xtext-eclipse by eclipse.

the class ExpressionUtil method trimSelection.

protected ITextSelection trimSelection(XtextResource resource, ITextSelection selection) {
    IParseResult parseResult = resource.getParseResult();
    if (parseResult != null) {
        String model = parseResult.getRootNode().getText();
        String selectedText = model.substring(selection.getOffset(), selection.getOffset() + selection.getLength());
        String trimmedSelection = selectedText.trim();
        return new TextSelection(selection.getOffset() + selectedText.indexOf(trimmedSelection), trimmedSelection.length());
    }
    return null;
}