generateQI-strings.jsm.js

"use strict";

var {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;

const { ProcessorBase } = ChromeUtils.import("resource://rewrites/Processor.jsm");
const { Replacer } = ChromeUtils.import("resource://rewrites/Replacer.jsm");
const { Parser, NodeWalker } = ChromeUtils.import("resource://rewrites/Parser.jsm");

var EXPORTED_SYMBOLS = ["Processor"];


const kIgnorePaths = [
  "devtools/client/inspector/markup/test",
  "devtools/client/debugger/new/test/mochitest/examples/sourcemaps2",
  "devtools/client/jsonview/lib",
  "devtools/client/shared/vendor",
  "devtools/client/sourceeditor/codemirror",
  "dom/tests/mochitest/ajax",
  "dom/tests/mochitest/dom-level",
  "dom/canvas/test/webgl-conf/checkout",
  "testing/mochitest/MochiKit",
  "testing/mochitest/tests/MochiKit",
  "testing/web-platform/tests",
  "testing/marionette/harness/marionette_harness/runner/mixins/browsermob-proxy-py/docs/_build/html/_static/jquery.js",
  "testing/marionette/atom.js",
  "browser/extensions/pocket/content/panels/js/vendor/jquery-2.1.1.min.js",
  "servo/",
  "browser/extensions/pdfjs/content/web",
  "third_party",

  "tools/lint/eslint",
];

const {isEmptyObject, isLiteral, isMemberExpression} = Replacer.Utils;
class Processor extends ProcessorBase {
  constructor(filters) {
    super([], filters.length ? filters : null);
  }

  shouldProcess(path, text) {
    return /\bChromeUtils.generateQI\(/.test(text());
  }

  process(path, replacer) {
    let isJSM = path.endsWith(".jsm");

    let handlers = {
      ChromeUtilsGenerateQI(node) {
        let ifaces = node.arguments[0].elements || [];
        for (let iface of ifaces) {
          if (isMemberExpression(iface, "Ci")) {
            replacer.replace(iface, JSON.stringify(iface.property.name));
          }
        }
      },
    };

    let root = Parser.parse(replacer.code, path);
    root.walk(new NodeWalker({
      CallExpression(node) {
        if (isMemberExpression(node.callee, "ChromeUtils", "generateQI")) {
          return handlers.ChromeUtilsGenerateQI(node);
        }
      },
    }).onNode);
  }
}