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import * as vscode from 'vscode';
import { TextDocumentIdentifier } from 'vscode-languageclient';
import { Server } from '../server';
export const syntaxTreeUri = vscode.Uri.parse('ra-lsp://syntaxtree');
export class TextDocumentContentProvider implements vscode.TextDocumentContentProvider {
public eventEmitter = new vscode.EventEmitter<vscode.Uri>()
public syntaxTree: string = "Not available"
public provideTextDocumentContent(uri: vscode.Uri): vscode.ProviderResult<string> {
let editor = vscode.window.activeTextEditor;
if (editor == null) return ""
let request: SyntaxTreeParams = {
textDocument: { uri: editor.document.uri.toString() }
};
return Server.client.sendRequest<SyntaxTreeResult>("m/syntaxTree", request);
}
get onDidChange(): vscode.Event<vscode.Uri> {
return this.eventEmitter.event
}
}
interface SyntaxTreeParams {
textDocument: TextDocumentIdentifier;
}
type SyntaxTreeResult = string;
// Opens the virtual file that will show the syntax tree
//
// The contents of the file come from the `TextDocumentContentProvider`
export async function handle() {
let document = await vscode.workspace.openTextDocument(syntaxTreeUri)
return vscode.window.showTextDocument(document, vscode.ViewColumn.Two, true)
}
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