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[cherry-pick] Support new context resolve handler #8262

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Merged
merged 2 commits into from
May 7, 2025
Merged

[cherry-pick] Support new context resolve handler #8262

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070d749
Pass activeExperiments to context providers
genlu Apr 2, 2025
82f2af9
Support new context resolve handler
genlu Apr 3, 2025
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55 changes: 35 additions & 20 deletions src/lsptoolshost/copilot/contextProviders.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,8 @@ export const copilotLanguageServerExtensionComponentName = '@microsoft/visualstu
export const copilotLanguageServerExtensionAssemblyName = 'Microsoft.VisualStudio.Copilot.Roslyn.LanguageServer.dll';
const copilotLanguageServerExtensionCapabilitiesFileName = 'capabilities.json';

type ActiveExperiments = { [name: string]: string | number | boolean | string[] };

export interface DocumentContext {
textDocument: lsp.TextDocumentIdentifier;
position: lsp.Position;
Expand All @@ -25,12 +27,19 @@ export interface ContextResolveParam {
completionId: string;
timeBudget: number;
data?: any;
activeExperiments: ActiveExperiments;
}

const resolveContextMethodName = 'roslyn/resolveContext';
const resolveContextMethodSupportedVersion = '1';
const resolveContextRequest = new lsp.RequestType<ContextResolveParam, SupportedContextItem[], void>(
resolveContextMethodName,
const oldResolveContextMethodName = 'roslyn/resolveContext';
const oldresolveContextMethodSupportedVersion = '1';
const newResolveContextMethodName = 'roslyn/resolveContext@2';
const newResolveContextMethodSupportedVersion = '1';
const oldResolveContextRequest = new lsp.RequestType<ContextResolveParam, SupportedContextItem[], void>(
oldResolveContextMethodName,
lsp.ParameterStructures.auto
);
const newResolveContextRequest = new lsp.RequestType<ContextResolveParam, SupportedContextItem[], void>(
newResolveContextMethodName,
lsp.ParameterStructures.auto
);

Expand Down Expand Up @@ -60,6 +69,8 @@ function createContextResolveParam(request: ResolveRequest): ContextResolveParam
},
completionId: request.completionId,
timeBudget: request.timeBudget,
data: request.data,
activeExperiments: Object.fromEntries(request.activeExperiments),
};
return contextResolveParam;
}
Expand All @@ -76,27 +87,35 @@ export function registerCopilotContextProviders(

devkit.activate().then(async (devKitExports) => {
try {
// Check if the Copilot Language Server extension is installed and has the correct capabilities
let hasCapabilities = false;
let resolveMethod: lsp.RequestType<ContextResolveParam, SupportedContextItem[], void> | undefined =
undefined;
const copilotServerExtensionfolder = devKitExports.components[copilotLanguageServerExtensionComponentName];
if (copilotServerExtensionfolder) {
const capabilitiesFilePath = path.join(
copilotServerExtensionfolder,
copilotLanguageServerExtensionCapabilitiesFileName
);
const capabilitiesContent = await readJsonSync(capabilitiesFilePath);
if (
capabilitiesContent?.capabilities?.find(
(capability: any) =>
capability?.method === resolveContextMethodName &&
capability?.version === resolveContextMethodSupportedVersion
)
) {
hasCapabilities = true;
for (const capability of capabilitiesContent?.capabilities ?? []) {
if (
capability.method === oldResolveContextMethodName &&
capability.version === oldresolveContextMethodSupportedVersion
) {
resolveMethod = oldResolveContextRequest;
channel.debug(`supported 'roslyn/resolveContext' method found in capabilities.json`);
break;
} else if (
capability.method === newResolveContextMethodName &&
capability.version === newResolveContextMethodSupportedVersion
) {
resolveMethod = newResolveContextRequest;
channel.debug(`supported 'roslyn/resolveContext@2' method found in capabilities.json`);
break;
}
}
}

if (!hasCapabilities) {
if (!resolveMethod) {
channel.debug(
`Failed to find compatible version of context provider from installed version of ${csharpDevkitExtensionId}.`
);
Expand Down Expand Up @@ -131,11 +150,7 @@ export function registerCopilotContextProviders(
if (!contextResolveParam) {
return [];
}
const items = await languageServer.sendRequest(
resolveContextRequest,
contextResolveParam,
token
);
const items = await languageServer.sendRequest(resolveMethod, contextResolveParam, token);
channel.trace(`Copilot context provider resolved ${items.length} items`);
return items;
},
Expand Down