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Fix a race condition in quickfix/moveCursor

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This commit is contained in:
Kris De Volder
2018-11-28 10:06:08 -08:00
parent 8018c45278
commit 1ea41ee736
2 changed files with 13 additions and 25 deletions
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26
eclipse-language-servers/org.springframework.tooling.ls.eclipse.commons/src/org/springframework/tooling/ls/eclipse/commons/STS4LanguageClientImpl.java
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@@ -291,7 +291,6 @@ public class STS4LanguageClientImpl extends LanguageClientImpl implements STS4La
@Override
public CompletableFuture<Object> moveCursor(CursorMovement cursorMovement) {
System.err.println("moveCursor request received: "+cursorMovement);
Utils.getActiveEditors().forEach(_editor -> {
try {
if (_editor instanceof AbstractTextEditor) {
@@ -300,26 +299,11 @@ public class STS4LanguageClientImpl extends LanguageClientImpl implements STS4La
if (doc!=null) {
URI uri = Utils.findDocUri(doc);
if (cursorMovement.getUri().equals(uri.toString())) {
new UIJob("Move cursor") {
{
setSystem(true);
}
@Override
public IStatus runInUIThread(IProgressMonitor arg0) {
try {
org.eclipse.lsp4j.Position pos = cursorMovement.getPosition();
//Careful, it seems like the computation of offset only works correctly
// when called from UIJob. Otherwise it is likely to be using stale data
// not yet accounting for the most recent edits that may have been applied
// to the document.
int offset = LSPEclipseUtils.toOffset(pos, doc);
editor.getSelectionProvider().setSelection(new TextSelection(offset, 0));
} catch (Exception e) {
LanguageServerCommonsActivator.logError(e, "sts/moveCursor failed");
}
return Status.OK_STATUS;
}
}.schedule();
org.eclipse.lsp4j.Position pos = cursorMovement.getPosition();
int offset = LSPEclipseUtils.toOffset(pos, doc);
Display.getDefault().asyncExec(() -> {
editor.getSelectionProvider().setSelection(new TextSelection(offset, 0));
});
}
}
}