Examples with XbaseInterpreter org.eclipse.xtext.xbase.interpreter.impl.XbaseInterpreter used on opensource projects

Example 1 with XbaseInterpreter

use of org.eclipse.xtext.xbase.interpreter.impl.XbaseInterpreter in project xtext-eclipse by eclipse.

the class ReplAutoEdit method getConfiguredInterpreter.

protected XbaseInterpreter getConfiguredInterpreter(XtextResource resource) {
    XbaseInterpreter interpreter2 = interpreterProvider.get();
    ResourceSet set = resource.getResourceSet();
    ClassLoader cl = getClass().getClassLoader();
    if (set instanceof XtextResourceSet) {
        Object context = ((XtextResourceSet) set).getClasspathURIContext();
        if (context instanceof IJavaProject) {
            try {
                final IJavaProject jp = (IJavaProject) context;
                // String[] runtimeClassPath =
                // JavaRuntime.computeDefaultRuntimeClassPath(jp);
                // URL[] urls = new URL[runtimeClassPath.length];
                // for (int i = 0; i < urls.length; i++) {
                // urls[i] = new URL(runtimeClassPath[i]);
                // }
                // cl = new URLClassLoader(urls);
                IClasspathEntry[] classpath = jp.getResolvedClasspath(true);
                final IWorkspaceRoot root = jp.getProject().getWorkspace().getRoot();
                Set<URL> urls = newHashSet();
                for (int i = 0; i < classpath.length; i++) {
                    final IClasspathEntry entry = classpath[i];
                    if (entry.getEntryKind() == IClasspathEntry.CPE_SOURCE) {
                        IPath outputLocation = entry.getOutputLocation();
                        if (outputLocation == null) {
                            outputLocation = jp.getOutputLocation();
                        }
                        IFolder folder = root.getFolder(outputLocation);
                        if (folder.exists()) {
                            urls.add(new URL(folder.getRawLocationURI().toASCIIString() + "/"));
                        }
                    } else if (entry.getEntryKind() == IClasspathEntry.CPE_PROJECT) {
                        IPath outputLocation = entry.getOutputLocation();
                        if (outputLocation == null) {
                            IProject project = (IProject) jp.getProject().getWorkspace().getRoot().getContainerForLocation(entry.getPath());
                            IJavaProject javaProject = JavaCore.create(project);
                            outputLocation = javaProject.getOutputLocation();
                        }
                        IFolder folder = root.getFolder(outputLocation);
                        if (folder.exists()) {
                            urls.add(new URL(folder.getRawLocationURI().toASCIIString() + "/"));
                        }
                    } else {
                        urls.add(entry.getPath().toFile().toURI().toURL());
                    }
                }
                cl = new URLClassLoader(urls.toArray(new URL[urls.size()]));
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
    interpreter2.setClassLoader(cl);
    return interpreter2;
}

Example 2 with XbaseInterpreter

use of org.eclipse.xtext.xbase.interpreter.impl.XbaseInterpreter in project xtext-eclipse by eclipse.

the class ReplAutoEdit method computeResultText.

protected String computeResultText(final IDocument document, final DocumentCommand command, XtextResource resource) throws BadLocationException {
    if (resource.getContents().isEmpty())
        return null;
    if (!(resource.getContents().get(0) instanceof Model))
        return null;
    Model model = (Model) resource.getContents().get(0);
    if (model.getBlock() == null)
        return null;
    EList<XExpression> expressions = model.getBlock().getExpressions();
    if (expressions.isEmpty())
        return null;
    XExpression expression = expressions.get(expressions.size() - 1);
    if (expression == null) {
        return null;
    }
    ICompositeNode node = NodeModelUtils.getNode(expression);
    if (node == null || document.getLineOfOffset(command.offset) + 1 != node.getEndLine())
        return null;
    List<Issue> issues = validator.validate(resource, CheckMode.NORMAL_AND_FAST, CancelIndicator.NullImpl);
    if (issues.stream().anyMatch(i -> i.getSeverity() == Severity.ERROR)) {
        return null;
    }
    XbaseInterpreter xbaseInterpreter = getConfiguredInterpreter(resource);
    IEvaluationResult result = xbaseInterpreter.evaluate(model.getBlock(), new DefaultEvaluationContext(), new CancelIndicator() {

        private long stopAt = System.currentTimeMillis() + 2000;

        @Override
        public boolean isCanceled() {
            return System.currentTimeMillis() > stopAt;
        }
    });
    if (result == null)
        return null;
    String value = "" + result.getResult();
    if (result.getException() != null)
        value = "threw " + result.getException().getClass().getSimpleName();
    LightweightTypeReference expressionType = typeResolver.resolveTypes(expression).getActualType(expression);
    if (expressionType != null) {
        String newText = command.text + "// " + value + " (" + expressionType.getSimpleName() + ")" + command.text;
        return newText;
    }
    return command.text + "// " + value;
}