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Atreya Bain
2021-04-09 23:15:58 +05:30
parent c82da78107
commit 77a7edef2a
18 changed files with 5281 additions and 0 deletions
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92
server/package-lock.json generated Normal file
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{
"name": "lsp-sample-server",
"version": "1.0.0",
"lockfileVersion": 2,
"requires": true,
"packages": {
"": {
"name": "lsp-sample-server",
"version": "1.0.0",
"license": "MIT",
"dependencies": {
"vscode-languageserver": "^6.1.1",
"vscode-languageserver-textdocument": "^1.0.1"
},
"engines": {
"node": "*"
}
},
"node_modules/vscode-jsonrpc": {
"version": "5.0.1",
"resolved": "https://registry.npmjs.org/vscode-jsonrpc/-/vscode-jsonrpc-5.0.1.tgz",
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"engines": {
"node": ">=8.0.0 || >=10.0.0"
}
},
"node_modules/vscode-languageserver": {
"version": "6.1.1",
"resolved": "https://registry.npmjs.org/vscode-languageserver/-/vscode-languageserver-6.1.1.tgz",
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"dependencies": {
"vscode-languageserver-protocol": "^3.15.3"
},
"bin": {
"installServerIntoExtension": "bin/installServerIntoExtension"
}
},
"node_modules/vscode-languageserver-protocol": {
"version": "3.15.3",
"resolved": "https://registry.npmjs.org/vscode-languageserver-protocol/-/vscode-languageserver-protocol-3.15.3.tgz",
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"dependencies": {
"vscode-jsonrpc": "^5.0.1",
"vscode-languageserver-types": "3.15.1"
}
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"node_modules/vscode-languageserver-textdocument": {
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"dependencies": {
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},
"vscode-languageserver": {
"version": "6.1.1",
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"requires": {
"vscode-languageserver-protocol": "^3.15.3"
}
},
"vscode-languageserver-protocol": {
"version": "3.15.3",
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"requires": {
"vscode-jsonrpc": "^5.0.1",
"vscode-languageserver-types": "3.15.1"
}
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"vscode-languageserver-textdocument": {
"version": "1.0.1",
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}
}
}

19
server/package.json Normal file
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{
"name": "lsp-sample-server",
"description": "Example implementation of a language server in node.",
"version": "1.0.0",
"author": "Microsoft Corporation",
"license": "MIT",
"engines": {
"node": "*"
},
"repository": {
"type": "git",
"url": "https://github.com/Microsoft/vscode-extension-samples"
},
"dependencies": {
"vscode-languageserver": "^6.1.1",
"vscode-languageserver-textdocument": "^1.0.1"
},
"scripts": {}
}

279
server/src/server.ts Normal file
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/* --------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
* ------------------------------------------------------------------------------------------ */
import {
createConnection,
TextDocuments,
Diagnostic,
DiagnosticSeverity,
ProposedFeatures,
InitializeParams,
DidChangeConfigurationNotification,
CompletionItem,
CompletionItemKind,
TextDocumentPositionParams,
TextDocumentSyncKind,
InitializeResult,
Position,
} from 'vscode-languageserver';
// import * as path from 'path';
import { TextDocument } from 'vscode-languageserver-textdocument';
// Create a connection for the server. The connection uses Node's IPC as a transport.
// Also include all preview / proposed LSP features.
let connection = createConnection(ProposedFeatures.all);
// Create a simple text document manager. The text document manager
// supports full document sync only
let documents: TextDocuments<TextDocument> = new TextDocuments(TextDocument);
let hasConfigurationCapability: boolean = false;
let hasWorkspaceFolderCapability: boolean = false;
let hasDiagnosticRelatedInformationCapability: boolean = false;
connection.onInitialize((params: InitializeParams) => {
let capabilities = params.capabilities;
// Does the client support the `workspace/configuration` request?
// If not, we will fall back using global settings
hasConfigurationCapability = !!(
capabilities.workspace && !!capabilities.workspace.configuration
);
hasWorkspaceFolderCapability = !!(
capabilities.workspace && !!capabilities.workspace.workspaceFolders
);
hasDiagnosticRelatedInformationCapability = !!(
capabilities.textDocument &&
capabilities.textDocument.publishDiagnostics &&
capabilities.textDocument.publishDiagnostics.relatedInformation
);
const result: InitializeResult = {
capabilities: {
textDocumentSync: TextDocumentSyncKind.Incremental,
// Tell the client that the server supports code completion
completionProvider: {
resolveProvider: false,
triggerCharacters: ['.'],
},
},
};
if (hasWorkspaceFolderCapability) {
result.capabilities.workspace = {
workspaceFolders: {
supported: true,
},
};
}
return result;
});
connection.onInitialized(() => {
if (hasConfigurationCapability) {
// Register for all configuration changes.
connection.client.register(
DidChangeConfigurationNotification.type,
undefined
);
}
if (hasWorkspaceFolderCapability) {
connection.workspace.onDidChangeWorkspaceFolders(_event => {
connection.console.log('Workspace folder change event received.');
});
}
});
// The example settings
interface ExampleSettings {
maxNumberOfProblems: number;
}
// The global settings, used when the `workspace/configuration` request is not supported by the client.
// Please note that this is not the case when using this server with the client provided in this example
// but could happen with other clients.
const defaultSettings: ExampleSettings = { maxNumberOfProblems: 5 };
let globalSettings: ExampleSettings = defaultSettings;
// Cache the settings of all open documents
let documentSettings: Map<string, Thenable<ExampleSettings>> = new Map();
connection.onDidChangeConfiguration(change => {
if (hasConfigurationCapability) {
// Reset all cached document settings
documentSettings.clear();
} else {
globalSettings = <ExampleSettings>(
(change.settings.languageServerExample || defaultSettings)
);
}
// Revalidate all open text documents
documents.all().forEach(validateTextDocument);
});
function getDocumentSettings(resource: string): Thenable<ExampleSettings> {
if (!hasConfigurationCapability) {
return Promise.resolve(globalSettings);
}
let result = documentSettings.get(resource);
if (!result) {
result = connection.workspace.getConfiguration({
scopeUri: resource,
section: 'languageServerExample',
});
documentSettings.set(resource, result);
}
return result;
}
// Only keep settings for open documents
documents.onDidClose(e => {
documentSettings.delete(e.document.uri);
});
// The content of a text document has changed. This event is emitted
// when the text document first opened or when its content has changed.
documents.onDidChangeContent(change => {
//change.contentChanges;
validateTextDocument(change.document);
});
//Run when saved
documents.onDidSave(change => {
validateTextDocument(change.document);
});
const validateBrackets = (text: string) => {
let count = 0, lp: number[] = [],issues:number[]=[];
const textsplit = text.split(``);
textsplit.forEach((x, i) => {
if (x == '(' || x == ')') {
if (x == '(') lp.push(i);
if (x == ')') {if(lp.length==0) issues.push(i);lp.pop();}
}
});
return [...lp,...issues]
};
async function validateTextDocument(textDocument: TextDocument): Promise<void> {
// In this simple example we get the settings for every validate run.
let settings = await getDocumentSettings(textDocument.uri);
// The validator creates diagnostics for all uppercase words length 2 and more
const text = textDocument.getText();
let problems = 0;
let diagnostics: Diagnostic[] = [];
const issues = validateBrackets(text);
diagnostics.push(...issues.map<Diagnostic>(e => ({
message: 'Brackets unmatched',
range:{
start: textDocument.positionAt(e),
end: textDocument.positionAt(e+1),
},
severity:DiagnosticSeverity.Error,
code:'( and )',
})));
// diagnostics.push({
// message: 'Brackets not matched',
// range: {
// start: { line: 0, character: 0 },
// end: { line: 0, character: 0 },
// },
// });
// diagnostics.push(<Diagnostic>{
// severity: DiagnosticSeverity.Information,
// range: {
// start: textDocument.positionAt(0),
// end: textDocument.positionAt(1),
// },
// // message:`HI:(${text})(${result.hasErrors()},${result.hasWarnings()})`,
// message: `Parsing Failed`,
// source: 'test',
// });
// Send the computed diagnostics to VSCode.
connection.sendDiagnostics({ uri: textDocument.uri, diagnostics });
}
connection.onDidChangeWatchedFiles(_change => {
// Monitored files have change in VSCode
connection.console.log('We received an file change event');
});
// This handler provides the initial list of the completion items.
connection.onCompletion(
(_textDocumentPosition: TextDocumentPositionParams): CompletionItem[] => {
const completions: CompletionItem[] = [
{
label: '+',
detail: 'Addition',
documentation: 'Add one to cell',
},
{
label: '-',
detail: 'Subtraction',
documentation: 'Subtract one from cell',
},
{
label: ',',
detail: 'Input',
documentation: 'Ask for input (Stored in the ASCII format)',
},
{
label: '.',
detail: 'Output',
documentation: 'Output the equivalent ASCII character',
},
{
label: '>',
detail: 'Right Shift',
documentation: 'Shift the pointer one cell to the right',
},
{
label: '<',
detail: 'Left Shift',
documentation: 'Shift the pointer one cell to the Left',
},
];
return completions.map(e => {
e.kind = CompletionItemKind.Operator;
return e;
});
}
);
//TODOF Implement further
// This handler resolves additional information for the item selected in
// the completion list.
// connection.onCompletionResolve(
// (item: CompletionItem): CompletionItem => {
// if (item.data === 1) {
// item.detail = 'Addition';
// item.documentation = 'Add 1 to the cell';
// } else if (item.data === 2) {
// item.detail = 'Subtraction';
// item.documentation = 'Subtract 1 from the cell';
// }
// return item;
// }
// );
// Make the text document manager listen on the connection
// for open, change and close text document events
documents.listen(connection);
// Listen on the connection
connection.listen();

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server/tsconfig.json Normal file
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{
"compilerOptions": {
"target": "es2019",
"lib": ["ES2019"],
"module": "commonjs",
"moduleResolution": "node",
"sourceMap": true,
"strict": true,
"outDir": "out",
"rootDir": "src"
},
"include": ["src"],
"exclude": ["node_modules", ".vscode-test"]
}