Examples with IErlElement org.erlide.engine.model.IErlElement used on opensource projects

Example 96 with IErlElement

use of org.erlide.engine.model.IErlElement in project erlide_eclipse by erlang.

the class AbstractErlContentAssistProcessor method computeCompletionProposals.

@Override
public ICompletionProposal[] computeCompletionProposals(final ITextViewer viewer, final int offset) {
    final String id = Integer.toHexString(viewer.hashCode()) + "@" + offset;
    try {
        ErlideEventTracer.getInstance().traceOperationStart("completion", id);
        try {
            final IDocument doc = viewer.getDocument();
            final String before = getBefore(viewer, doc, offset);
            String elementBefore;
            final IErlElement el = getElementAt(offset);
            if (el instanceof ISourceReference) {
                final ISourceRange r = ((ISourceReference) el).getSourceRange();
                final int o = r.getOffset();
                elementBefore = doc.get(o, offset - o);
            } else {
                elementBefore = null;
            }
            if (restarted && offset > 0) {
                final char last = doc.get(offset - 1, 1).charAt(0);
                if (last == ',' || last == '.' || last == ';' || last == ')' || last == '(') {
                    return null;
                }
            }
            if (Objects.equal(oldDoc, doc) && oldBefore != null && before.startsWith(oldBefore) && oldSuggestions == 0) {
                return getNoCompletion(offset);
            }
            oldDoc = doc;
            oldBefore = before;
            final CompletionService completionService = ErlangEngine.getInstance().getCompletionService();
            List<ICompletionProposal> result = Lists.newArrayList();
            if (project != null) {
                final IOtpRpc backend = BackendCore.getBuildBackend(project);
                final List<CompletionData> resultData = completionService.computeCompletions(backend, project, module, elementBefore, offset, before, isInString());
                result = Lists.transform(resultData, new Function<CompletionData, ICompletionProposal>() {

                    @Override
                    public ICompletionProposal apply(final CompletionData data) {
                        return toProposal(data);
                    }
                });
            }
            final ErlTemplateCompletionProcessor t = new ErlTemplateCompletionProcessor(doc, offset - before.length(), before.length());
            result.addAll(Arrays.asList(t.computeCompletionProposals(viewer, offset)));
            oldSuggestions = result.size();
            if (result.isEmpty()) {
                ErlLogger.debug("no results");
                return getNoCompletion(offset);
            }
            // ErlLogger.debug("%d results", result.size());
            return result.toArray(new ICompletionProposal[result.size()]);
        } catch (final Exception e) {
            ErlLogger.warn(e);
            return null;
        }
    } finally {
        ErlideEventTracer.getInstance().traceOperationEnd("completion", id);
    }
}

Example 97 with IErlElement

use of org.erlide.engine.model.IErlElement in project erlide_eclipse by erlang.

the class AbstractErlContentAssistProcessor method getBefore.

String getBefore(final ITextViewer viewer, final IDocument doc, final int offset) {
    try {
        if (module != null) {
            try {
                final IErlElement element = module.getElementAt(offset);
                if (element instanceof ISourceReference) {
                    final ISourceReference sr = (ISourceReference) element;
                    final int start = sr.getSourceRange().getOffset();
                    if (start <= offset) {
                        return doc.get(start, offset - start);
                    }
                }
            } catch (final ErlModelException e) {
            }
        }
        for (int n = offset - 1; n >= 0; --n) {
            final char c = doc.getChar(n);
            final int type = Character.getType(c);
            if (type == Character.LINE_SEPARATOR || type == Character.PARAGRAPH_SEPARATOR || type == Character.CONTROL) {
                return doc.get(n + 1, offset - n - 1);
            }
        }
        return doc.get(0, offset);
    } catch (final BadLocationException e) {
        ErlLogger.warn(e);
    }
    return "";
}

Example 98 with IErlElement

use of org.erlide.engine.model.IErlElement in project erlide_eclipse by erlang.

the class OpenAction method run.

@Override
public void run(final ITextSelection selection) {
    try {
        final IEditorPart activeEditor = getSite().getPage().getActiveEditor();
        final int offset = selection.getOffset();
        ITextEditor textEditor = null;
        OpenResult openResult = null;
        IErlElement element = null;
        IErlProject project = null;
        IErlModule module = null;
        final IErlModel model = ErlangEngine.getInstance().getModel();
        if (activeEditor instanceof AbstractErlangEditor) {
            final AbstractErlangEditor editor = (AbstractErlangEditor) activeEditor;
            textEditor = editor;
            editor.reconcileNow();
            final String scannerName = editor.getScannerName();
            module = editor.getModule();
            project = editor.getProject();
            openResult = ErlangEngine.getInstance().getOpenService().open(scannerName, offset, ErlangEngine.getInstance().getModelUtilService().getImportsAsList(module), project.getProperties().getExternalModules(), model.getPathVars());
            ErlLogger.debug("open " + openResult);
            element = editor.getElementAt(offset, true);
        } else if (activeEditor instanceof ITextEditor) {
            textEditor = (ITextEditor) activeEditor;
            final String text = textEditor.getDocumentProvider().getDocument(textEditor.getEditorInput()).get();
            openResult = ErlangEngine.getInstance().getOpenService().openText(text, offset);
            final IFile file = textEditor.getEditorInput().getAdapter(IFile.class);
            if (file != null) {
                final IProject p = file.getProject();
                if (p != null) {
                    project = model.findProject(p);
                }
            }
        }
        if (openResult != null) {
            helper.openOpenResult(textEditor, module, offset, project, openResult, element);
        }
    } catch (final Exception e) {
        ErlLogger.error(e);
    }
}

Example 99 with IErlElement

use of org.erlide.engine.model.IErlElement in project erlide_eclipse by erlang.

the class CallHierarchyAction method run.

@Override
public void run() {
    if (module == null) {
        return;
    }
    final IErlElement el = editor.getElementAt(editor.getViewer().getSelectedRange().x, false);
    IErlFunction f = null;
    if (el instanceof IErlFunction) {
        f = (IErlFunction) el;
    } else if (el instanceof IErlFunctionClause) {
        f = (IErlFunction) el.getParent();
    }
    if (f == null) {
        return;
    }
    String name = module.getName();
    final int i = name.lastIndexOf('.');
    if (i > 0) {
        name = name.substring(0, i);
    }
    final FunctionRef ref = new FunctionRef(name, f.getFunctionName(), f.getArity());
    final IWorkbenchWindow dw = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
    final IWorkbenchPage page = dw.getActivePage();
    final AsyncCaller<CallHierarchyView> ac = new AsyncCaller<CallHierarchyView>(100) {

        @Override
        protected CallHierarchyView prepare() {
            try {
                final IViewPart p = page.showView("org.erlide.ui.callhierarchy");
                final CallHierarchyView cvh = p.getAdapter(CallHierarchyView.class);
                if (cvh == null) {
                    return null;
                }
                cvh.setMessage("<searching... project " + ErlangEngine.getInstance().getModelUtilService().getProject(module).getName() + ">");
                return cvh;
            } catch (final PartInitException e) {
                ErlLogger.error("could not open Call hierarchy view: ", e.getMessage());
                return null;
            }
        }

        @Override
        protected RpcFuture call() throws BackendException {
            final RpcFuture result = xrefService.addProject(ErlangEngine.getInstance().getModelUtilService().getProject(module));
            return result;
        }

        @Override
        protected void handleResult(final CallHierarchyView context, final RpcFuture result) {
            page.activate(context);
            try {
                context.setRoot(ErlangEngine.getInstance().getModel().findFunction(ref));
            } catch (final ErlModelException e) {
                ErlLogger.error(e);
            }
        }
    };
    ac.run();
}

Example 100 with IErlElement

use of org.erlide.engine.model.IErlElement in project erlide_eclipse by erlang.

the class ModelUtilsTest method findExternalTypeTest.

@Test
public void findExternalTypeTest() throws Exception {
    // given
    // an Erlang module with typedef
    final IErlModule moduleB = ErlideTestUtils.createModule(ModelUtilsTest.projects[0], "bx.erl", "-module(bx).\n-type concat_thing() :: atom() | integer() | float() | string().\n");
    // final IErlModule moduleC =
    // ErlideTestUtils.createErlModule(projects[1],
    // "c.erl", "-module(c).\n-type cc() :: b:concat_thing().\n");
    final ScannerService scanner = moduleB.getScanner();
    try {
        moduleB.open(null);
        ModelUtilsTest.projects[0].open(null);
        // moduleC.open(null);
        // when
        // looking for it
        // within project
        final IErlElementLocator model = ErlangEngine.getInstance().getModel();
        final IErlElement element1 = modelFindService.findTypeDef(model, ModelUtilsTest.projects[0], moduleB, "bx", "concat_thing", moduleB.getResource().getLocation().toPortableString(), IErlElementLocator.Scope.PROJECT_ONLY);
        // in other project but path given
        final IErlElement element2 = modelFindService.findTypeDef(model, ModelUtilsTest.projects[1], moduleB, "bx", "concat_thing", moduleB.getResource().getLocation().toPortableString(), IErlElementLocator.Scope.PROJECT_ONLY);
        // in other project no path given, search all projects true
        final IErlElement element3 = modelFindService.findTypeDef(model, ModelUtilsTest.projects[1], moduleB, "bx", "concat_thing", null, IErlElementLocator.Scope.ALL_PROJECTS);
        // in other project no path given, search all projects false, ->
        // null
        final IErlElement element4 = modelFindService.findTypeDef(model, ModelUtilsTest.projects[1], moduleB, "bx", "concat_thing", null, IErlElementLocator.Scope.PROJECT_ONLY);
        // then
        // it should be returned if found
        assertTrue(element1 instanceof IErlTypespec);
        assertNull(element2);
        assertTrue(element3 instanceof IErlTypespec);
        assertNull(element4);
    } finally {
        scanner.dispose();
    }
}