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support to resolve inlay hints for hover and for future display parts, https://github.com/microsoft/vscode/issues/129528

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This commit is contained in:
Johannes Rieken
2022-01-06 16:28:30 +01:00
parent e084da0721
commit 3677cc48a8
10 changed files with 264 additions and 137 deletions
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60
src/vs/workbench/api/common/extHostLanguageFeatures.ts
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@@ -1171,6 +1171,9 @@ class SignatureHelpAdapter {
}
class InlayHintsAdapter {
private _cache = new Cache<vscode.InlayHint>('InlayHints');
constructor(
private readonly _documents: ExtHostDocuments,
private readonly _provider: vscode.InlayHintsProvider,
@@ -1178,8 +1181,51 @@ class InlayHintsAdapter {
async provideInlayHints(resource: URI, range: IRange, token: CancellationToken): Promise<extHostProtocol.IInlayHintsDto | undefined> {
const doc = this._documents.getDocument(resource);
const value = await this._provider.provideInlayHints(doc, typeConvert.Range.to(range), token);
return value ? { hints: value.map(typeConvert.InlayHint.from) } : undefined;
const hints = await this._provider.provideInlayHints(doc, typeConvert.Range.to(range), token);
if (!Array.isArray(hints) || hints.length === 0) {
// bad result
return undefined;
}
if (token.isCancellationRequested) {
// cancelled -> return without further ado, esp no caching
// of results as they will leak
return undefined;
}
if (typeof this._provider.resolveInlayHint !== 'function') {
// no resolve -> no caching
return { hints: hints.map(typeConvert.InlayHint.from) };
} else {
// cache links for future resolving
const pid = this._cache.add(hints);
const result: extHostProtocol.IInlayHintsDto = { hints: [], cacheId: pid };
for (let i = 0; i < hints.length; i++) {
const dto: extHostProtocol.IInlayHintDto = typeConvert.InlayHint.from(hints[i]);
dto.cacheId = [pid, i];
result.hints.push(dto);
}
return result;
}
}
async resolveInlayHint(id: extHostProtocol.ChainedCacheId, token: CancellationToken) {
if (typeof this._provider.resolveInlayHint !== 'function') {
return undefined;
}
const item = this._cache.get(...id);
if (!item) {
return undefined;
}
const hint = await this._provider.resolveInlayHint!(item, token);
if (!hint) {
return undefined;
}
return typeConvert.InlayHint.from(hint);
}
releaseHints(id: number): any {
this._cache.delete(id);
}
}
@@ -1986,7 +2032,7 @@ export class ExtHostLanguageFeatures implements extHostProtocol.ExtHostLanguageF
const eventHandle = typeof provider.onDidChangeInlayHints === 'function' ? this._nextHandle() : undefined;
const handle = this._addNewAdapter(new InlayHintsAdapter(this._documents, provider), extension);
this._proxy.$registerInlayHintsProvider(handle, this._transformDocumentSelector(selector), eventHandle);
this._proxy.$registerInlayHintsProvider(handle, this._transformDocumentSelector(selector), typeof provider.resolveInlayHint === 'function', eventHandle);
let result = this._createDisposable(handle);
if (eventHandle !== undefined) {
@@ -2000,6 +2046,14 @@ export class ExtHostLanguageFeatures implements extHostProtocol.ExtHostLanguageF
return this._withAdapter(handle, InlayHintsAdapter, adapter => adapter.provideInlayHints(URI.revive(resource), range, token), undefined);
}
$resolveInlayHint(handle: number, id: extHostProtocol.ChainedCacheId, token: CancellationToken): Promise<extHostProtocol.IInlayHintDto | undefined> {
return this._withAdapter(handle, InlayHintsAdapter, adapter => adapter.resolveInlayHint(id, token), undefined);
}
$releaseInlayHints(handle: number, id: number): void {
this._withAdapter(handle, InlayHintsAdapter, adapter => adapter.releaseHints(id), undefined);
}
// --- links
registerDocumentLinkProvider(extension: IExtensionDescription | undefined, selector: vscode.DocumentSelector, provider: vscode.DocumentLinkProvider): vscode.Disposable {