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Add retrigger characters to SignatureHelpProvider

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Introduces the concept of a re-trigger character to the signature help provider. This is a seperate set of characters that are registered with the provider. Typing a retrigger character fires a new signature help request if signature help is already showing.

#54972
This commit is contained in:
Matt Bierner
2018-10-05 16:01:02 -07:00
parent 2e8993b83c
commit 2f51e97117
10 changed files with 109 additions and 17 deletions
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10
src/vs/workbench/api/node/extHostLanguageFeatures.ts
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@@ -15,7 +15,7 @@ import { ExtHostDocuments } from 'vs/workbench/api/node/extHostDocuments';
import { ExtHostCommands, CommandsConverter } from 'vs/workbench/api/node/extHostCommands';
import { ExtHostDiagnostics } from 'vs/workbench/api/node/extHostDiagnostics';
import { asThenable } from 'vs/base/common/async';
import { MainContext, MainThreadLanguageFeaturesShape, ExtHostLanguageFeaturesShape, ObjectIdentifier, IRawColorInfo, IMainContext, IdObject, ISerializedRegExp, ISerializedIndentationRule, ISerializedOnEnterRule, ISerializedLanguageConfiguration, WorkspaceSymbolDto, SuggestResultDto, WorkspaceSymbolsDto, SuggestionDto, CodeActionDto, ISerializedDocumentFilter, WorkspaceEditDto } from './extHost.protocol';
import { MainContext, MainThreadLanguageFeaturesShape, ExtHostLanguageFeaturesShape, ObjectIdentifier, IRawColorInfo, IMainContext, IdObject, ISerializedRegExp, ISerializedIndentationRule, ISerializedOnEnterRule, ISerializedLanguageConfiguration, WorkspaceSymbolDto, SuggestResultDto, WorkspaceSymbolsDto, SuggestionDto, CodeActionDto, ISerializedDocumentFilter, WorkspaceEditDto, ISerializedSignatureHelpProviderMetadata } from './extHost.protocol';
import { regExpLeadsToEndlessLoop } from 'vs/base/common/strings';
import { IPosition } from 'vs/editor/common/core/position';
import { IRange, Range as EditorRange } from 'vs/editor/common/core/range';
@@ -1149,9 +1149,13 @@ export class ExtHostLanguageFeatures implements ExtHostLanguageFeaturesShape {
// --- parameter hints
registerSignatureHelpProvider(selector: vscode.DocumentSelector, provider: vscode.SignatureHelpProvider, triggerCharacters: string[]): vscode.Disposable {
registerSignatureHelpProvider(selector: vscode.DocumentSelector, provider: vscode.SignatureHelpProvider, metadataOrTriggerChars?: string[] | vscode.SignatureHelpProviderMetadata): vscode.Disposable {
const metadata: ISerializedSignatureHelpProviderMetadata = Array.isArray(metadataOrTriggerChars)
? { triggerCharacters: metadataOrTriggerChars, retriggerCharacters: [] }
: metadataOrTriggerChars;
const handle = this._addNewAdapter(new SignatureHelpAdapter(this._documents, provider));
this._proxy.$registerSignatureHelpProvider(handle, this._transformDocumentSelector(selector), triggerCharacters);
this._proxy.$registerSignatureHelpProvider(handle, this._transformDocumentSelector(selector), metadata);
return this._createDisposable(handle);
}