src/Tools/VSCode/extension/src/extension.ts
author wenzelm
Sat, 11 Mar 2017 20:22:43 +0100
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parent 65186 4659e87c3795
child 65191 4c9c83311cad
permissions -rw-r--r--
support for caret handling and dynamic output;
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'use strict';
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import * as vscode from 'vscode';
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import * as path from 'path';
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import * as fs from 'fs';
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import * as os from 'os';
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import * as decorations from './decorations';
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import { Decoration } from './decorations'
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import { LanguageClient, LanguageClientOptions, SettingMonitor, ServerOptions, TransportKind, NotificationType }
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  from 'vscode-languageclient';
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/* Isabelle configuration */
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export function get_configuration<T>(name: string): T
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{
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  return vscode.workspace.getConfiguration("isabelle").get<T>(name)
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}
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export function get_color(color: string, light: boolean): string
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{
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  const config = color + (light ? "_light" : "_dark") + "_color"
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  return get_configuration<string>(config)
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}
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/* caret handling and dynamic output */
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interface Caret_Update
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{
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  uri?: string
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  line?: number
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  character?: number
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}
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const caret_update_type = new NotificationType<Caret_Update, void>("PIDE/caret_update")
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const dynamic_output_type = new NotificationType<string, void>("PIDE/dynamic_output")
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let last_caret_update: Caret_Update = {}
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let dynamic_output: string = ""
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/* activate extension */
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export function activate(context: vscode.ExtensionContext)
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{
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  const is_windows = os.type().startsWith("Windows")
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  const isabelle_home = get_configuration<string>("home")
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  const isabelle_args = get_configuration<Array<string>>("args")
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  const cygwin_root = get_configuration<string>("cygwin_root")
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  /* server */
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  if (isabelle_home === "")
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    vscode.window.showErrorMessage("Missing user settings: isabelle.home")
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  else {
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    const isabelle_tool = isabelle_home + "/bin/isabelle"
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    const standard_args = ["-o", "vscode_unicode_symbols", "-o", "vscode_pide_extensions"]
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    const server_options: ServerOptions =
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      is_windows ?
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        { command:
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            (cygwin_root === "" ? path.join(isabelle_home, "contrib", "cygwin") : cygwin_root) +
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            "/bin/bash",
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          args: ["-l", isabelle_tool, "vscode_server"].concat(standard_args, isabelle_args) } :
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        { command: isabelle_tool,
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          args: ["vscode_server"].concat(standard_args, isabelle_args) };
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    const client_options: LanguageClientOptions = {
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      documentSelector: ["isabelle", "isabelle-ml", "bibtex"]
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    };
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    const client = new LanguageClient("Isabelle", server_options, client_options, false)
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    /* caret handling and dynamic output */
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    function update_caret()
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    {
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      const editor = vscode.window.activeTextEditor
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      let caret_update: Caret_Update = {}
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      if (editor) {
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        const uri = editor.document.uri
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        const cursor = editor.selection.active
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        if (uri.scheme === "file" && cursor)
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          caret_update = { uri: uri.toString(), line: cursor.line, character: cursor.character }
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      }
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      if (last_caret_update !== caret_update) {
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        client.sendNotification(caret_update_type, caret_update)
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        last_caret_update = caret_update
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      }
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    }
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    client.onReady().then(() =>
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    {
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      client.onNotification(dynamic_output_type, body => { dynamic_output = body })
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      vscode.window.onDidChangeActiveTextEditor(_ => update_caret())
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      vscode.window.onDidChangeTextEditorSelection(_ => update_caret())
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      update_caret()
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    })
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    /* decorations */
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    decorations.init(context)
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    vscode.workspace.onDidChangeConfiguration(() => decorations.init(context))
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    vscode.window.onDidChangeActiveTextEditor(decorations.update_editor)
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    vscode.workspace.onDidCloseTextDocument(decorations.close_document)
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    client.onReady().then(() =>
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      client.onNotification(
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        new NotificationType<Decoration, void>("PIDE/decoration"), decorations.apply_decoration))
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    /* start server */
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    context.subscriptions.push(client.start());
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  }
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}
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export function deactivate() { }