Quelle sledgehammer_panel.ts Sprache: unbekannt

/*  Author:     Diana Korchmar, LMU Muenchen
    Author:     Makarius

Control panel for Sledgehammer.
*/

import { WebviewViewProvider, WebviewView, Uri, WebviewViewResolveContext, CancellationToken,
  window, Webview, Selection, Range, TextDocument, TextDocumentContentChangeEvent } from "vscode";
import * as path from "path";
import { text_colors } from "./decorations";
import * as vscode_lib from "./vscode_lib"
import * as lsp from "./lsp";
import { LanguageClient } from "vscode-languageclient/node";
import { Position } from "vscode";

class Sledgehammer_Panel_Provider implements WebviewViewProvider {
  public static readonly view_type = "isabelle-sledgehammer";
  private _view?: WebviewView;

  constructor(
    private readonly _extension_uri: Uri,
    private readonly _language_client: LanguageClient
  ) { }

  public resolveWebviewView(
    view: WebviewView,
    context: WebviewViewResolveContext,
    _token: CancellationToken
  ): void {
    this._view = view;
    this._view.webview.options = {
      enableScripts: true,
      localResourceRoots: [this._extension_uri]
    };
    this._view.webview.html = this._get_html();
    this._setup_message_handler();
  }

  request_provers(language_client: LanguageClient) {
    if (language_client) {
      this._language_client.sendNotification(lsp.sledgehammer_provers_request_type);
    }
  }

  private _setup_message_handler(): void {
    if (this._view) {
      this._view.webview.onDidReceiveMessage(async message => {
        const editor = window.activeTextEditor;
        const pos = editor?.selection.active;
        if (editor && pos) {
          this._language_client.sendNotification(lsp.caret_update_type, {
            uri: editor.document.uri.toString(),
            line: pos.line,
            character: pos.character
          });
        }
        switch (message.command) {
          case "apply":
            this._language_client.sendNotification(lsp.sledgehammer_request_type, {
              provers: message.provers,
              isar: message.isar,
              try0: message.try0
            });
            break;
          case "cancel":
            this._language_client.sendNotification(lsp.sledgehammer_cancel_type);
            break;
          case "locate":
            this._language_client.sendNotification(lsp.sledgehammer_locate_type);
            break;
          case "sendback":
            this._language_client.sendNotification(lsp.sledgehammer_sendback_type,
              { text: message.text });
            break;
        }
      });
    }
  }

  public update_status(message: string): void {
    if (this._view) {
      this._view.webview.postMessage({ command: "status", message });
    }
  }

  public update_provers(provers: string): void {
    if (this._view) {
      this._view.webview.postMessage({ command: "provers", provers });
    }
  }

  public insert(arg: { uri: string; line: number; character: number; text: string }): void {
    const uri = Uri.parse(arg.uri);
    const editor = window.activeTextEditor;
    if (editor && editor.document.uri.toString() === uri.toString()) {
      const pos = new Position(arg.line, arg.character);
      const line_text = editor.document.lineAt(pos.line).text;
      editor.edit(edit_builder =>
        edit_builder.insert(pos, line_text.trim() === "" ? arg.text : "\n" + arg.text));
    }
  }

  public update_output(result: lsp.Sledgehammer_Output): void {
    if (this._view) {
      this._view.webview.postMessage({ command: "result", content: result.content });
    }
  }

  private _get_html(): string {
    return get_webview_html(this._view?.webview, this._extension_uri.fsPath);
  }
}

function get_webview_html(webview: Webview | undefined, extension_path: string): string {
  const script_uri =
    webview?.asWebviewUri(Uri.file(path.join(extension_path, "media", "sledgehammer.js")));
  const css_uri =
    webview?.asWebviewUri(Uri.file(path.join(extension_path, "media", "sledgehammer.css")));
  const font_uri =
    webview.asWebviewUri(Uri.file(path.join(extension_path, "fonts", "IsabelleDejaVuSansMono.ttf")))

  return `
    <!DOCTYPE html>
    <html lang="en">
      <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <link href="${css_uri}" rel="stylesheet">
        <style>
            @font-face {
                font-family: "Isabelle DejaVu Sans Mono";
                src: url(${font_uri});
            }
            ${_get_decorations()}
        </style>
        <title>Sledgehammer Panel</title>
      </head>
      <body>
        <script src="${script_uri}"></script>
      </body>
    </html>`;
}

function _get_decorations(): string {
  let style: string[] = []
  for (const key of text_colors) {
    style.push(`body.vscode-light .${key} { color: ${vscode_lib.get_color(key, true)} }\n`)
    style.push(`body.vscode-dark .${key} { color: ${vscode_lib.get_color(key, false)} }\n`)
  }
  return style.join("")
}

export { Sledgehammer_Panel_Provider, get_webview_html };

export interface PositionInfo {
  uri: string;
  line: number;
  character: number;
}

Quelle sledgehammer_panel.ts Sprache: unbekannt

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