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/**
* @fileoverview Reject uses of unknown interfaces on Ci and properties of those
* interfaces.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
*/
"use strict";
const os = require("os");
const helpers = require("../helpers");
// These interfaces are all platform specific, so may be not present
// on all platforms.
const platformSpecificInterfaces = new Map([
["nsIAboutThirdParty", "windows"],
["nsIAboutWindowsMessages", "windows"],
["nsIDefaultAgent", "windows"],
["nsIJumpListBuilder", "windows"],
["nsITaskbarWindowPreview", "windows"],
["nsIWindowsAlertsService", "windows"],
["nsIWindowsAlertNotification", "windows"],
["nsIWindowsMutexFactory", "windows"],
["nsIWinAppHelper", "windows"],
["nsIWinTaskbar", "windows"],
["nsIWinTaskSchedulerService", "windows"],
["nsIWindowsRegKey", "windows"],
["nsIWindowsPackageManager", "windows"],
["nsIWindowsShellService", "windows"],
["nsIAccessibleMacEvent", "darwin"],
["nsIAccessibleMacInterface", "darwin"],
["nsILocalFileMac", "darwin"],
["nsIAccessibleMacEvent", "darwin"],
["nsIMacAttributionService", "darwin"],
["nsIMacShellService", "darwin"],
["nsIMacDockSupport", "darwin"],
["nsIMacFinderProgress", "darwin"],
["nsIMacPreferencesReader", "darwin"],
["nsIMacSharingService", "darwin"],
["nsIMacUserActivityUpdater", "darwin"],
["nsIMacWebAppUtils", "darwin"],
["nsIStandaloneNativeMenu", "darwin"],
["nsITouchBarHelper", "darwin"],
["nsITouchBarInput", "darwin"],
["nsITouchBarUpdater", "darwin"],
["mozISandboxReporter", "linux"],
["nsIApplicationChooser", "linux"],
["nsIGNOMEShellService", "linux"],
["nsIGtkTaskbarProgress", "linux"],
// These are used in the ESLint test code.
["amIFoo", "any"],
["nsIMeh", "any"],
// Can't easily detect android builds from ESLint at the moment.
["nsIGeckoViewBridge", "any"],
["nsIGeckoViewView", "any"],
// Code coverage is enabled only for certain builds (MOZ_CODE_COVERAGE).
["nsICodeCoverage", "any"],
// Layout debugging is enabled only for certain builds (MOZ_LAYOUT_DEBUGGER).
["nsILayoutDebuggingTools", "any"],
// Sandbox test is only enabled for certain configurations (MOZ_SANDBOX,
// MOZ_DEBUG, ENABLE_TESTS).
["mozISandboxTest", "any"],
]);
function interfaceHasProperty(interfaceName, propertyName) {
// `Ci.nsIFoo.number` is valid, it returns the iid.
if (propertyName == "number") {
return true;
}
let interfaceInfo = helpers.xpidlData.get(interfaceName);
if (!interfaceInfo) {
return true;
}
// If the property is not in the lists of consts for this interface, check
// any parents as well.
if (!interfaceInfo.consts.find(e => e.name === propertyName)) {
if (interfaceInfo.parent && interfaceInfo.parent != "nsISupports") {
return interfaceHasProperty(interfaceName.parent, propertyName);
}
return false;
}
return true;
}
module.exports = {
meta: {
docs: {
},
messages: {
missingInterface:
"{{ interface }} is defined in this rule's platform specific list, but is not available",
unknownInterface: "Use of unknown interface Ci.{{ interface}}",
unknownProperty:
"Use of unknown property Ci.{{ interface }}.{{ property }}",
},
schema: [],
type: "problem",
},
create(context) {
return {
MemberExpression(node) {
if (
node.computed === false &&
node.type === "MemberExpression" &&
node.object.type === "Identifier" &&
node.object.name === "Ci" &&
node.property.type === "Identifier" &&
node.property.name.includes("I")
) {
if (!helpers.xpidlData.get(node.property.name)) {
let platformSpecific = platformSpecificInterfaces.get(
node.property.name
);
if (!platformSpecific) {
context.report({
node,
messageId: "unknownInterface",
data: {
interface: node.property.name,
},
});
} else if (platformSpecific == os.platform) {
context.report({
node,
messageId: "missingInterface",
data: {
interface: node.property.name,
},
});
}
}
}
if (
node.computed === false &&
node.object.type === "MemberExpression" &&
node.object.object.type === "Identifier" &&
node.object.object.name === "Ci" &&
node.object.property.type === "Identifier" &&
node.object.property.name.includes("I") &&
node.property.type === "Identifier"
) {
if (
!interfaceHasProperty(node.object.property.name, node.property.name)
) {
context.report({
node,
messageId: "unknownProperty",
data: {
interface: node.object.property.name,
property: node.property.name,
},
});
}
}
},
};
},
};