| Disable DocumentSymbolService for Binary Files [message #1800067] |
Wed, 19 December 2018 08:57  |
Eclipse User |
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In our XText Grammar which is written for a VS-Code Extension, it is possible to reference image files that are in the workspace.
Language Server Protocol supports jump to definition for all text resources, however, currently, there seems to be no support for binary files.
Thus, when the user tries do jump to def for an image reference, the xtext server throws the following herror
Error - 2:53:18 PM] Request textDocument/definition failed.
Message: Internal error.
Code: -32603
java.util.concurrent.CompletionException: java.lang.NullPointerException
at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:292)
at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:308)
at java.util.concurrent.CompletableFuture.uniAccept(CompletableFuture.java:647)
at java.util.concurrent.CompletableFuture$UniAccept.tryFire(CompletableFuture.java:632)
at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
at java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:1977)
at org.eclipse.xtext.ide.server.concurrent.ReadRequest.lambda$run$0(ReadRequest.java:43)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
at org.eclipse.xtext.ide.server.WorkspaceManager.getDocument(WorkspaceManager.java:292)
at org.eclipse.xtext.ide.server.WorkspaceManager.doRead(WorkspaceManager.java:282)
at org.eclipse.xtext.ide.server.findReferences.WorkspaceResourceAccess.readOnly(WorkspaceResourceAccess.java:42)
at org.eclipse.xtext.ide.server.symbol.DocumentSymbolService.doRead(DocumentSymbolService.java:364)
at org.eclipse.xtext.ide.server.symbol.DocumentSymbolService.getDefinitions(DocumentSymbolService.java:126)
at org.eclipse.xtext.ide.server.symbol.DocumentSymbolService.getDefinitions(DocumentSymbolService.java:107)
at org.eclipse.xtext.ide.server.LanguageServerImpl.lambda$definition$36(LanguageServerImpl.java:607)
at org.eclipse.xtext.ide.server.WorkspaceManager.doRead(WorkspaceManager.java:283)
at org.eclipse.xtext.ide.server.LanguageServerImpl.definition(LanguageServerImpl.java:609)
at org.eclipse.xtext.ide.server.LanguageServerImpl.lambda$definition$35(LanguageServerImpl.java:590)
at org.eclipse.xtext.ide.server.concurrent.ReadRequest.lambda$run$0(ReadRequest.java:37)
... 4 more
The error is coming from the DocumentSymbolService, I tried to disable this service in the runtime module representing this resource.
class ImagesRuntimeModule extends AbstractGenericModule {
def Class<? extends IResourceFactory> bindIResourceFactory() {
return typeof(ImageResourceFactory);
}
def Class<? extends IResourceServiceProvider> bindIResourceServiceProvider() {
return typeof(ImageResourceServiceProvider);
}
def void configureFileExtensions(Binder binder) {
binder.bind(typeof(String)).annotatedWith(Names.named(Constants.FILE_EXTENSIONS)).toInstance("png,jpg,jpeg");
}
def Class<? extends IQualifiedNameProvider> bindIQualifiedNameProvider() {
return typeof(ResourceQualifiedNameProvider);
}
def Class<? extends DocumentSymbolService> bindIDocumentSymbolService() {
return typeof(EmptyDocumentSymbolService);
}
}
with EmptyDocumentSymbolService doing nothing.
However, I cannot disable it, XText's documentSymbolService is still running.
How can I solve this problem?
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