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Add activeSignatureHelp to SignatureHelpContext (#65440)

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For #33413

Adds the active `SignatureHelp` object (along with the active signature) to the `SignatureHelpContext`.
This commit is contained in:
Matt Bierner
2019-01-07 13:55:58 -08:00
committed by GitHub
parent 14fd4cbf72
commit 4a38520d59
7 changed files with 122 additions and 8 deletions
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25
src/vs/workbench/api/node/extHostLanguageFeatures.ts
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@@ -731,21 +731,36 @@ class SignatureHelpAdapter {
constructor(
private readonly _documents: ExtHostDocuments,
private readonly _provider: vscode.SignatureHelpProvider
private readonly _provider: vscode.SignatureHelpProvider,
private readonly _heap: ExtHostHeapService,
) { }
provideSignatureHelp(resource: URI, position: IPosition, context: modes.SignatureHelpContext, token: CancellationToken): Promise<modes.SignatureHelp> {
const doc = this._documents.getDocumentData(resource).document;
const pos = typeConvert.Position.to(position);
const vscodeContext = this.reviveContext(context);
return asPromise(() => this._provider.provideSignatureHelp(doc, pos, token, context)).then(value => {
return asPromise(() => this._provider.provideSignatureHelp(doc, pos, token, vscodeContext)).then(value => {
if (value) {
return typeConvert.SignatureHelp.from(value);
const id = this._heap.keep(value);
return ObjectIdentifier.mixin(typeConvert.SignatureHelp.from(value), id);
}
return undefined;
});
}
private reviveContext(context: modes.SignatureHelpContext): vscode.SignatureHelpContext {
let activeSignatureHelp: vscode.SignatureHelp | undefined = undefined;
if (context.activeSignatureHelp) {
const saved = this._heap.get<vscode.SignatureHelp>(ObjectIdentifier.of(context.activeSignatureHelp));
if (saved) {
activeSignatureHelp = saved;
} else {
activeSignatureHelp = typeConvert.SignatureHelp.to(context.activeSignatureHelp);
}
}
return { ...context, activeSignatureHelp };
}
}
class LinkProviderAdapter {
@@ -1224,7 +1239,7 @@ export class ExtHostLanguageFeatures implements ExtHostLanguageFeaturesShape {
? { triggerCharacters: metadataOrTriggerChars, retriggerCharacters: [] }
: metadataOrTriggerChars;
const handle = this._addNewAdapter(new SignatureHelpAdapter(this._documents, provider), extension);
const handle = this._addNewAdapter(new SignatureHelpAdapter(this._documents, provider, this._heapService), extension);
this._proxy.$registerSignatureHelpProvider(handle, this._transformDocumentSelector(selector), metadata);
return this._createDisposable(handle);
}