Alexey Tsvetkov
500 lines
15 KiB
JavaScript
500 lines
15 KiB
JavaScript
/*
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* Copyright 2010-2014 JetBrains s.r.o.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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var Kotlin = {};
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(function (Kotlin) {
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'use strict';
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function toArray(obj) {
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var array;
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if (obj == null) {
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array = [];
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}
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else if (!Array.isArray(obj)) {
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array = [obj];
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}
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else {
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array = obj;
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}
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return array;
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}
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function copyProperties(to, from) {
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if (to == null || from == null) {
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return;
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}
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for (var p in from) {
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if (from.hasOwnProperty(p)) {
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to[p] = from[p];
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}
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}
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}
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function getClass(basesArray) {
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for (var i = 0; i < basesArray.length; i++) {
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if (isNativeClass(basesArray[i]) || basesArray[i].$metadata$.type === Kotlin.TYPE.CLASS) {
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return basesArray[i];
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}
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}
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return null;
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}
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var emptyFunction = function () {
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return function() {};
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};
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Kotlin.TYPE = {
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CLASS: "class",
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TRAIT: "trait",
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OBJECT: "object",
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INIT_FUN: "init fun"
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};
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Kotlin.classCount = 0;
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Kotlin.newClassIndex = function () {
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var tmp = Kotlin.classCount;
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Kotlin.classCount++;
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return tmp;
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};
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function isNativeClass(obj) {
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return !(obj == null) && obj.$metadata$ == null;
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}
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function applyExtension(current, bases, baseGetter) {
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for (var i = 0; i < bases.length; i++) {
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if (isNativeClass(bases[i])) {
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continue;
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}
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var base = baseGetter(bases[i]);
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for (var p in base) {
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if (base.hasOwnProperty(p)) {
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if (!current.hasOwnProperty(p) || current[p].$classIndex$ < base[p].$classIndex$) {
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current[p] = base[p];
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}
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}
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}
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}
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}
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function computeMetadata(bases, properties) {
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var metadata = {};
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metadata.baseClasses = toArray(bases);
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metadata.baseClass = getClass(metadata.baseClasses);
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metadata.classIndex = Kotlin.newClassIndex();
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metadata.functions = {};
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metadata.properties = {};
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if (!(properties == null)) {
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for (var p in properties) {
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if (properties.hasOwnProperty(p)) {
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var property = properties[p];
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property.$classIndex$ = metadata.classIndex;
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if (typeof property === "function") {
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metadata.functions[p] = property;
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}
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else {
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metadata.properties[p] = property;
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}
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}
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}
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}
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applyExtension(metadata.functions, metadata.baseClasses, function (it) {
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return it.$metadata$.functions
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});
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applyExtension(metadata.properties, metadata.baseClasses, function (it) {
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return it.$metadata$.properties
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});
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return metadata;
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}
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/**
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* @this {{object_initializer$: (function(): Object)}}
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* @returns {Object}
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*/
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function class_object() {
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var object = this.object_initializer$();
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Object.defineProperty(this, "object", {value: object});
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return object;
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}
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/**
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* @param {(Array|Object|null)=} bases
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* @param {(function(new: T, ?, ?, ?, ?, ?, ?, ?): T)|null=} constructor
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* @param {Object=} properties
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* @param {Object=} staticProperties
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* @returns {function(new: T): T}
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* @template T
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*/
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Kotlin.createClassNow = function (bases, constructor, properties, staticProperties) {
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if (constructor == null) {
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constructor = emptyFunction();
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}
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copyProperties(constructor, staticProperties);
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var metadata = computeMetadata(bases, properties);
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metadata.type = Kotlin.TYPE.CLASS;
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var prototypeObj;
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if (metadata.baseClass !== null) {
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prototypeObj = Object.create(metadata.baseClass.prototype);
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}
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else {
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prototypeObj = {};
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}
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Object.defineProperties(prototypeObj, metadata.properties);
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copyProperties(prototypeObj, metadata.functions);
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prototypeObj.constructor = constructor;
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if (metadata.baseClass != null) {
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constructor.baseInitializer = metadata.baseClass;
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}
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constructor.$metadata$ = metadata;
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constructor.prototype = prototypeObj;
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Object.defineProperty(constructor, "object", {get: class_object, configurable: true});
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return constructor;
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};
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Kotlin.createObjectNow = function (bases, constructor, functions) {
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var noNameClass = Kotlin.createClassNow(bases, constructor, functions);
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var obj = new noNameClass();
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obj.$metadata$ = {
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type: Kotlin.TYPE.OBJECT
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};
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return obj;
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};
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Kotlin.createTraitNow = function (bases, properties, staticProperties) {
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var obj = function () {};
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copyProperties(obj, staticProperties);
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obj.$metadata$ = computeMetadata(bases, properties);
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obj.$metadata$.type = Kotlin.TYPE.TRAIT;
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obj.prototype = {};
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Object.defineProperties(obj.prototype, obj.$metadata$.properties);
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copyProperties(obj.prototype, obj.$metadata$.functions);
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Object.defineProperty(obj, "object", {get: class_object, configurable: true});
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return obj;
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};
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function getBases(basesFun) {
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if (typeof basesFun === "function") {
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return basesFun();
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}
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else {
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return basesFun;
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}
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}
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/**
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* @param {(function():Array.<*>)|null} basesFun
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* @param {?=} constructor
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* @param {Object=} properties
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* @param {Object=} staticProperties
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* @returns {*}
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*/
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Kotlin.createClass = function (basesFun, constructor, properties, staticProperties) {
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function $o() {
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var klass = Kotlin.createClassNow(getBases(basesFun), constructor, properties, staticProperties);
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Object.defineProperty(this, $o.className, {value: klass});
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return klass;
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}
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$o.type = Kotlin.TYPE.INIT_FUN;
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return $o;
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};
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/**
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* @param {(function():Array.<*>)|null} basesFun
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* @param {?=} constructor
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* @param {function():Object} enumEntries
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* @param {Object=} properties
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* @param {Object=} staticProperties
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* @returns {*}
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*/
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Kotlin.createEnumClass = function (basesFun, constructor, enumEntries, properties, staticProperties) {
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staticProperties = staticProperties || {};
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// TODO use Object.assign
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staticProperties.object_initializer$ = function () {
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var enumEntryList = enumEntries();
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var i = 0;
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var values = [];
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for (var entryName in enumEntryList) {
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if (enumEntryList.hasOwnProperty(entryName)) {
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var entryObject = enumEntryList[entryName];
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values[i] = entryObject;
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entryObject.ordinal$ = i;
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entryObject.name$ = entryName;
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i++;
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}
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}
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enumEntryList.values$ = values;
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return enumEntryList;
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};
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staticProperties.values = function () {
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return this.object.values$;
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};
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staticProperties.valueOf_61zpoe$ = function (name) {
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return this.object[name];
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};
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return Kotlin.createClass(basesFun, constructor, properties, staticProperties)
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};
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/**
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* @param {(function():Array.<*>)|null} basesFun
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* @param {Object=} properties
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* @param {Object=} staticProperties
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* @returns {*}
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*/
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Kotlin.createTrait = function (basesFun, properties, staticProperties) {
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function $o() {
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var klass = Kotlin.createTraitNow(getBases(basesFun), properties, staticProperties);
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Object.defineProperty(this, $o.className, {value: klass});
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return klass;
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}
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$o.type = Kotlin.TYPE.INIT_FUN;
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return $o;
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};
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/**
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* @param {function()|null} basesFun
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* @param {(function(new: T): T)|null=} constructor
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* @param {Object=} functions
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* @returns {Object}
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* @template T
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*/
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Kotlin.createObject = function (basesFun, constructor, functions) {
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return Kotlin.createObjectNow(getBases(basesFun), constructor, functions);
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};
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Kotlin.callGetter = function (thisObject, klass, propertyName) {
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return klass.$metadata$.properties[propertyName].get.call(thisObject);
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};
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Kotlin.callSetter = function (thisObject, klass, propertyName, value) {
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klass.$metadata$.properties[propertyName].set.call(thisObject, value);
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};
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function isInheritanceFromTrait(objConstructor, trait) {
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if (isNativeClass(objConstructor) || objConstructor.$metadata$.classIndex < trait.$metadata$.classIndex) {
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return false;
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}
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var baseClasses = objConstructor.$metadata$.baseClasses;
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var i;
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for (i = 0; i < baseClasses.length; i++) {
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if (baseClasses[i] === trait) {
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return true;
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}
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}
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for (i = 0; i < baseClasses.length; i++) {
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if (isInheritanceFromTrait(baseClasses[i], trait)) {
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return true;
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}
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}
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return false;
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}
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Kotlin.isType = function (object, klass) {
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if (object == null || klass == null) {
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return false;
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}
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else {
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if (object instanceof klass) {
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return true;
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}
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else if (isNativeClass(klass) || klass.$metadata$.type == Kotlin.TYPE.CLASS) {
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return false;
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}
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else {
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return isInheritanceFromTrait(object.constructor, klass);
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}
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}
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};
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// TODO Store callable references for members in class
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Kotlin.getCallableRefForMemberFunction = function (klass, memberName) {
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return function () {
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return this[memberName].apply(this, arguments);
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};
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};
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// TODO Store callable references for extension functions in class
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// extFun expected receiver as the first argument
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Kotlin.getCallableRefForExtensionFunction = function (extFun) {
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return function () {
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var args = [this];
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Array.prototype.push.apply(args, arguments);
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return extFun.apply(null, args);
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};
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};
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Kotlin.getCallableRefForConstructor = function (klass) {
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return function () {
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var obj = Object.create(klass.prototype);
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klass.apply(obj, arguments);
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return obj;
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};
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};
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Kotlin.getCallableRefForTopLevelProperty = function(packageName, name, isVar) {
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var obj = {};
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obj.name = name;
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obj.get = function() { return packageName[name]; };
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if (isVar) {
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obj.set_za3rmp$ = function(value) { packageName[name] = value; };
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}
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return obj;
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};
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Kotlin.getCallableRefForMemberProperty = function(name, isVar) {
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var obj = {};
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obj.name = name;
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obj.get_za3rmp$ = function(receiver) { return receiver[name]; };
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if (isVar) {
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obj.set_wn2jw4$ = function(receiver, value) { receiver[name] = value; };
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}
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return obj;
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};
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Kotlin.getCallableRefForExtensionProperty = function(name, getFun, setFun) {
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var obj = {};
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obj.name = name;
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obj.get_za3rmp$ = getFun;
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if (typeof setFun === "function") {
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obj.set_wn2jw4$ = setFun;
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}
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return obj;
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};
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////////////////////////////////// packages & modules //////////////////////////////
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Kotlin.modules = {};
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function createPackageGetter(instance, initializer) {
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return function () {
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if (initializer !== null) {
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var tmp = initializer;
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initializer = null;
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tmp.call(instance);
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}
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return instance;
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};
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}
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function createDefinition(members, definition) {
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if (typeof definition === "undefined") {
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definition = {}
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}
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if (members == null) {
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return definition;
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}
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for (var p in members) {
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if (members.hasOwnProperty(p)) {
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if ((typeof members[p]) === "function") {
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if (members[p].type === Kotlin.TYPE.INIT_FUN) {
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members[p].className = p;
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Object.defineProperty(definition, p, {
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get: members[p],
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configurable: true
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});
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}
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else {
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definition[p] = members[p];
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}
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}
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else {
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Object.defineProperty(definition, p, members[p]);
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}
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}
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}
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return definition;
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}
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Kotlin.createDefinition = createDefinition;
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/**
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* @param {function()|null=} initializer
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* @param {Object=} members
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* @returns {Object}
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*/
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Kotlin.definePackage = function (initializer, members) {
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var definition = createDefinition(members);
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if (initializer === null) {
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return {value: definition};
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}
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else {
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var getter = createPackageGetter(definition, initializer);
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return {get: getter};
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}
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};
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Kotlin.defineRootPackage = function (initializer, members) {
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var definition = createDefinition(members);
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if (initializer === null) {
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definition.$initializer$ = emptyFunction();
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}
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else {
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definition.$initializer$ = initializer;
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}
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return definition;
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};
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/**
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* @param {string} id
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* @param {Object} declaration
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*/
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Kotlin.defineModule = function (id, declaration) {
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if (id in Kotlin.modules) {
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throw new Error("Module " + id + " is already defined");
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}
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declaration.$initializer$.call(declaration); // TODO: temporary hack
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Object.defineProperty(Kotlin.modules, id, {value: declaration});
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};
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function defineInlineFunction(tag, fun) {
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return fun;
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}
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Kotlin.defineInlineFunction = defineInlineFunction;
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Kotlin.isTypeOf = defineInlineFunction('stdlib.kotlin.isTypeOf', function (type) {
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return function (object) {
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return typeof object === type;
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}
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});
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Kotlin.isInstanceOf = defineInlineFunction('stdlib.kotlin.isInstanceOf', function (klass) {
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return function (object) {
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return Kotlin.isType(object, klass);
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}
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});
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Kotlin.kotlinModuleMetadata = function (abiVersion, moduleName, data) {
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};
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})(Kotlin);
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