vscode-languageclient
Version:
VSCode Language client implementation
106 lines (105 loc) • 5.3 kB
JavaScript
;
/* --------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
* ------------------------------------------------------------------------------------------ */
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.SignatureHelpFeature = void 0;
const vscode_1 = require("vscode");
const vscode_languageserver_protocol_1 = require("vscode-languageserver-protocol");
const features_1 = require("./features");
const UUID = __importStar(require("./utils/uuid"));
class SignatureHelpFeature extends features_1.TextDocumentLanguageFeature {
constructor(client) {
super(client, vscode_languageserver_protocol_1.SignatureHelpRequest.type);
}
fillClientCapabilities(capabilities) {
const config = (0, features_1.ensure)((0, features_1.ensure)(capabilities, 'textDocument'), 'signatureHelp');
config.dynamicRegistration = true;
config.signatureInformation = { documentationFormat: [vscode_languageserver_protocol_1.MarkupKind.Markdown, vscode_languageserver_protocol_1.MarkupKind.PlainText] };
config.signatureInformation.parameterInformation = { labelOffsetSupport: true };
config.signatureInformation.activeParameterSupport = true;
config.signatureInformation.noActiveParameterSupport = true;
config.contextSupport = true;
}
initialize(capabilities, documentSelector) {
const options = this.getRegistrationOptions(documentSelector, capabilities.signatureHelpProvider);
if (!options) {
return;
}
this.register({
id: UUID.generateUuid(),
registerOptions: options
});
}
registerLanguageProvider(options) {
const provider = {
provideSignatureHelp: (document, position, token, context) => {
const client = this._client;
const providerSignatureHelp = (document, position, context, token) => {
return client.sendRequest(vscode_languageserver_protocol_1.SignatureHelpRequest.type, client.code2ProtocolConverter.asSignatureHelpParams(document, position, context), token).then((result) => {
if (token.isCancellationRequested) {
return null;
}
return client.protocol2CodeConverter.asSignatureHelp(result, token);
}, (error) => {
return client.handleFailedRequest(vscode_languageserver_protocol_1.SignatureHelpRequest.type, token, error, null);
});
};
const middleware = client.middleware;
return middleware.provideSignatureHelp
? middleware.provideSignatureHelp(document, position, context, token, providerSignatureHelp)
: providerSignatureHelp(document, position, context, token);
}
};
return [this.registerProvider(options, provider), provider];
}
registerProvider(options, provider) {
const selector = this._client.protocol2CodeConverter.asDocumentSelector(options.documentSelector);
if (options.retriggerCharacters === undefined) {
const triggerCharacters = options.triggerCharacters || [];
return vscode_1.languages.registerSignatureHelpProvider(selector, provider, ...triggerCharacters);
}
else {
const metaData = {
triggerCharacters: options.triggerCharacters || [],
retriggerCharacters: options.retriggerCharacters || []
};
return vscode_1.languages.registerSignatureHelpProvider(selector, provider, metaData);
}
}
}
exports.SignatureHelpFeature = SignatureHelpFeature;