-
Notifications
You must be signed in to change notification settings - Fork 11
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[#36] Add new content provider using LSP
Uses the LSP to fetch the children of a TU in the project explorer view. fixes #36
- Loading branch information
1 parent
0f89dd0
commit 3473fc8
Showing
4 changed files
with
222 additions
and
83 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
115 changes: 115 additions & 0 deletions
115
...les/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/ui/navigator/CSymbolsContentProvider.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2023 Bachmann electronic GmbH and others. | ||
| * This program and the accompanying materials are made | ||
| * available under the terms of the Eclipse Public License 2.0 | ||
| * which is available at https://www.eclipse.org/legal/epl-2.0/ | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * Gesa Hentschke (Bachmann electronic GmbH) - initial implementation | ||
| *******************************************************************************/ | ||
|
|
||
| package org.eclipse.cdt.lsp.ui.navigator; | ||
|
|
||
| import java.util.List; | ||
| import java.util.Objects; | ||
| import java.util.Optional; | ||
| import java.util.Set; | ||
| import java.util.concurrent.CompletableFuture; | ||
| import java.util.concurrent.ExecutionException; | ||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.concurrent.TimeoutException; | ||
|
|
||
| import org.eclipse.cdt.core.model.CModelException; | ||
| import org.eclipse.cdt.core.model.ITranslationUnit; | ||
| import org.eclipse.cdt.internal.ui.navigator.CNavigatorContentProvider; | ||
| import org.eclipse.cdt.lsp.LspPlugin; | ||
| import org.eclipse.core.resources.IFile; | ||
| import org.eclipse.jface.text.IDocument; | ||
| import org.eclipse.lsp4e.LSPEclipseUtils; | ||
| import org.eclipse.lsp4e.LanguageServerWrapper; | ||
| import org.eclipse.lsp4e.LanguageServers; | ||
| import org.eclipse.lsp4e.outline.SymbolsModel; | ||
| import org.eclipse.lsp4e.outline.SymbolsModel.DocumentSymbolWithFile; | ||
| import org.eclipse.lsp4j.DocumentSymbol; | ||
| import org.eclipse.lsp4j.DocumentSymbolParams; | ||
| import org.eclipse.lsp4j.SymbolInformation; | ||
| import org.eclipse.lsp4j.jsonrpc.messages.Either; | ||
|
|
||
|
|
||
|
|
||
| public class CSymbolsContentProvider extends CNavigatorContentProvider { | ||
| protected final SymbolsModel symbolsModel = new SymbolsModel(); | ||
| private volatile CompletableFuture<List<Either<SymbolInformation, DocumentSymbol>>> symbols; | ||
|
|
||
| @Override | ||
| @SuppressWarnings({ "unchecked", "rawtypes" }) | ||
| public void getPipelinedChildren(Object parent, Set currentChildren) { | ||
| if (parent instanceof ITranslationUnit) { | ||
| //remove children from other provider first: | ||
| currentChildren.clear(); | ||
| for (Object child : getChildren(parent)) { | ||
| if (child != null) { | ||
| currentChildren.add(child); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public Object[] getChildren(Object parentElement) { | ||
| if (parentElement instanceof DocumentSymbolWithFile) { | ||
| return symbolsModel.getChildren(parentElement); | ||
| } else if (parentElement instanceof ITranslationUnit) { | ||
| try { | ||
| return getTranslationUnitChildren((ITranslationUnit) parentElement); | ||
| } catch (CModelException e) { | ||
| } | ||
| } | ||
| return NO_CHILDREN; | ||
| } | ||
|
|
||
| protected Object[] getTranslationUnitChildren(ITranslationUnit unit) throws CModelException { | ||
| if (unit.getResource() instanceof IFile) { | ||
| refreshTreeContentFromLS((IFile) unit.getResource()); | ||
| return symbolsModel.getElements(); | ||
| } | ||
| return NO_CHILDREN; | ||
| } | ||
|
|
||
| protected void refreshTreeContentFromLS(IFile file) { | ||
| if (symbols != null) { | ||
| symbols.cancel(true); | ||
| } | ||
|
|
||
| final var params = new DocumentSymbolParams(LSPEclipseUtils.toTextDocumentIdentifier(file.getLocationURI())); | ||
|
|
||
| IDocument document = LSPEclipseUtils.getDocument(file); | ||
| if (document != null) { | ||
| CompletableFuture<Optional<LanguageServerWrapper>> languageServer = LanguageServers.forDocument(document) | ||
| .withFilter(capabilities -> LSPEclipseUtils.hasCapability(capabilities.getDocumentSymbolProvider())).computeFirst((w,ls) -> CompletableFuture.completedFuture(w)); | ||
| try { | ||
| symbols = languageServer.get(500, TimeUnit.MILLISECONDS).filter(Objects::nonNull) | ||
| .filter(LanguageServerWrapper::isActive) | ||
| .map(s -> s.execute(ls -> ls.getTextDocumentService().documentSymbol(params))) | ||
| .orElse(CompletableFuture.completedFuture(null)); | ||
| } catch (TimeoutException | ExecutionException | InterruptedException e) { | ||
| LspPlugin.logError(e.getMessage(), e); | ||
| symbols = CompletableFuture.completedFuture(null); | ||
| if (e instanceof InterruptedException) { | ||
| Thread.currentThread().interrupt(); | ||
| } | ||
| } | ||
| symbols.thenAcceptAsync(response -> { | ||
| symbolsModel.setFile(file); | ||
| symbolsModel.update(response); | ||
| }).join(); | ||
| } else { | ||
| symbolsModel.setFile(file); | ||
| symbolsModel.update(null); | ||
| } | ||
|
|
||
| } | ||
|
|
||
| } |
Oops, something went wrong.