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Don't use heap service for signature help

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For #74846

Migrates from using the heap service to have an explicit lifecycle
This commit is contained in:
Matt Bierner
2019-06-13 17:49:00 -07:00
parent 592b91b5cb
commit 580bd304c9
11 changed files with 142 additions and 71 deletions
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31
src/vs/workbench/api/common/extHostLanguageFeatures.ts
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@@ -10,12 +10,11 @@ import * as typeConvert from 'vs/workbench/api/common/extHostTypeConverters';
import { Range, Disposable, CompletionList, SnippetString, CodeActionKind, SymbolInformation, DocumentSymbol } from 'vs/workbench/api/common/extHostTypes';
import { ISingleEditOperation } from 'vs/editor/common/model';
import * as modes from 'vs/editor/common/modes';
import { ExtHostHeapService } from 'vs/workbench/api/common/extHostHeapService';
import { ExtHostDocuments } from 'vs/workbench/api/common/extHostDocuments';
import { ExtHostCommands, CommandsConverter } from 'vs/workbench/api/common/extHostCommands';
import { ExtHostDiagnostics } from 'vs/workbench/api/common/extHostDiagnostics';
import { asPromise } from 'vs/base/common/async';
import { MainContext, MainThreadLanguageFeaturesShape, ExtHostLanguageFeaturesShape, ObjectIdentifier, IRawColorInfo, IMainContext, IdObject, ISerializedRegExp, ISerializedIndentationRule, ISerializedOnEnterRule, ISerializedLanguageConfiguration, WorkspaceSymbolDto, SuggestResultDto, WorkspaceSymbolsDto, CodeActionDto, ISerializedDocumentFilter, WorkspaceEditDto, ISerializedSignatureHelpProviderMetadata, LinkDto, CodeLensDto, SuggestDataDto, LinksListDto, ChainedCacheId, CodeLensListDto, CodeActionListDto } from './extHost.protocol';
import { MainContext, MainThreadLanguageFeaturesShape, ExtHostLanguageFeaturesShape, IRawColorInfo, IMainContext, IdObject, ISerializedRegExp, ISerializedIndentationRule, ISerializedOnEnterRule, ISerializedLanguageConfiguration, WorkspaceSymbolDto, SuggestResultDto, WorkspaceSymbolsDto, CodeActionDto, ISerializedDocumentFilter, WorkspaceEditDto, ISerializedSignatureHelpProviderMetadata, LinkDto, CodeLensDto, SuggestDataDto, LinksListDto, ChainedCacheId, CodeLensListDto, CodeActionListDto, SignatureHelpDto, SignatureHelpContextDto } from './extHost.protocol';
import { regExpLeadsToEndlessLoop, regExpFlags } from 'vs/base/common/strings';
import { IPosition } from 'vs/editor/common/core/position';
import { IRange, Range as EditorRange } from 'vs/editor/common/core/range';
@@ -771,31 +770,32 @@ class SuggestAdapter {
class SignatureHelpAdapter {
private readonly _cache = new Cache<vscode.SignatureHelp>();
constructor(
private readonly _documents: ExtHostDocuments,
private readonly _provider: vscode.SignatureHelpProvider,
private readonly _heap: ExtHostHeapService,
) { }
provideSignatureHelp(resource: URI, position: IPosition, context: modes.SignatureHelpContext, token: CancellationToken): Promise<modes.SignatureHelp | undefined> {
provideSignatureHelp(resource: URI, position: IPosition, context: SignatureHelpContextDto, token: CancellationToken): Promise<SignatureHelpDto | undefined> {
const doc = this._documents.getDocument(resource);
const pos = typeConvert.Position.to(position);
const vscodeContext = this.reviveContext(context);
return asPromise(() => this._provider.provideSignatureHelp(doc, pos, token, vscodeContext)).then(value => {
if (value) {
const id = this._heap.keep(value);
return ObjectIdentifier.mixin(typeConvert.SignatureHelp.from(value), id);
const id = this._cache.add([value]);
return { ...typeConvert.SignatureHelp.from(value), id };
}
return undefined;
});
}
private reviveContext(context: modes.SignatureHelpContext): vscode.SignatureHelpContext {
private reviveContext(context: SignatureHelpContextDto): vscode.SignatureHelpContext {
let activeSignatureHelp: vscode.SignatureHelp | undefined = undefined;
if (context.activeSignatureHelp) {
const revivedSignatureHelp = typeConvert.SignatureHelp.to(context.activeSignatureHelp);
const saved = this._heap.get<vscode.SignatureHelp>(ObjectIdentifier.of(context.activeSignatureHelp));
const saved = this._cache.get(context.activeSignatureHelp.id, 0);
if (saved) {
activeSignatureHelp = saved;
activeSignatureHelp.activeSignature = revivedSignatureHelp.activeSignature;
@@ -806,6 +806,10 @@ class SignatureHelpAdapter {
}
return { ...context, activeSignatureHelp };
}
releaseSignatureHelp(id: number): any {
this._cache.delete(id);
}
}
class Cache<T> {
@@ -1065,7 +1069,6 @@ export class ExtHostLanguageFeatures implements ExtHostLanguageFeaturesShape {
private _proxy: MainThreadLanguageFeaturesShape;
private _documents: ExtHostDocuments;
private _commands: ExtHostCommands;
private _heapService: ExtHostHeapService;
private _diagnostics: ExtHostDiagnostics;
private _adapter = new Map<number, AdapterData>();
private readonly _logService: ILogService;
@@ -1075,7 +1078,6 @@ export class ExtHostLanguageFeatures implements ExtHostLanguageFeaturesShape {
uriTransformer: IURITransformer | null,
documents: ExtHostDocuments,
commands: ExtHostCommands,
heapMonitor: ExtHostHeapService,
diagnostics: ExtHostDiagnostics,
logService: ILogService
) {
@@ -1083,7 +1085,6 @@ export class ExtHostLanguageFeatures implements ExtHostLanguageFeaturesShape {
this._proxy = mainContext.getProxy(MainContext.MainThreadLanguageFeatures);
this._documents = documents;
this._commands = commands;
this._heapService = heapMonitor;
this._diagnostics = diagnostics;
this._logService = logService;
}
@@ -1402,15 +1403,19 @@ export class ExtHostLanguageFeatures implements ExtHostLanguageFeaturesShape {
? { triggerCharacters: metadataOrTriggerChars, retriggerCharacters: [] }
: metadataOrTriggerChars;
const handle = this._addNewAdapter(new SignatureHelpAdapter(this._documents, provider, this._heapService), extension);
const handle = this._addNewAdapter(new SignatureHelpAdapter(this._documents, provider), extension);
this._proxy.$registerSignatureHelpProvider(handle, this._transformDocumentSelector(selector), metadata);
return this._createDisposable(handle);
}
$provideSignatureHelp(handle: number, resource: UriComponents, position: IPosition, context: modes.SignatureHelpContext, token: CancellationToken): Promise<modes.SignatureHelp | undefined> {
$provideSignatureHelp(handle: number, resource: UriComponents, position: IPosition, context: SignatureHelpContextDto, token: CancellationToken): Promise<SignatureHelpDto | undefined> {
return this._withAdapter(handle, SignatureHelpAdapter, adapter => adapter.provideSignatureHelp(URI.revive(resource), position, context, token), undefined);
}
$releaseSignatureHelp(handle: number, id: number): void {
this._withAdapter(handle, SignatureHelpAdapter, adapter => adapter.releaseSignatureHelp(id), undefined);
}
// --- links
registerDocumentLinkProvider(extension: IExtensionDescription | undefined, selector: vscode.DocumentSelector, provider: vscode.DocumentLinkProvider): vscode.Disposable {