mirror of https://github.com/node-red/node-red.git
4237 lines
143 KiB
JavaScript
4237 lines
143 KiB
JavaScript
"no use strict";
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;(function(window) {
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if (typeof window.window != "undefined" && window.document)
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return;
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if (window.require && window.define)
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return;
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if (!window.console) {
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window.console = function() {
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var msgs = Array.prototype.slice.call(arguments, 0);
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postMessage({type: "log", data: msgs});
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};
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window.console.error =
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window.console.warn =
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window.console.log =
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window.console.trace = window.console;
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}
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window.window = window;
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window.ace = window;
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window.onerror = function(message, file, line, col, err) {
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postMessage({type: "error", data: {
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message: message,
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data: err.data,
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file: file,
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line: line,
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col: col,
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stack: err.stack
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}});
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};
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window.normalizeModule = function(parentId, moduleName) {
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// normalize plugin requires
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if (moduleName.indexOf("!") !== -1) {
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var chunks = moduleName.split("!");
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return window.normalizeModule(parentId, chunks[0]) + "!" + window.normalizeModule(parentId, chunks[1]);
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}
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// normalize relative requires
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if (moduleName.charAt(0) == ".") {
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var base = parentId.split("/").slice(0, -1).join("/");
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moduleName = (base ? base + "/" : "") + moduleName;
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while (moduleName.indexOf(".") !== -1 && previous != moduleName) {
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var previous = moduleName;
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moduleName = moduleName.replace(/^\.\//, "").replace(/\/\.\//, "/").replace(/[^\/]+\/\.\.\//, "");
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}
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}
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return moduleName;
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};
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window.require = function require(parentId, id) {
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if (!id) {
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id = parentId;
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parentId = null;
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}
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if (!id.charAt)
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throw new Error("worker.js require() accepts only (parentId, id) as arguments");
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id = window.normalizeModule(parentId, id);
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var module = window.require.modules[id];
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if (module) {
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if (!module.initialized) {
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module.initialized = true;
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module.exports = module.factory().exports;
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}
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return module.exports;
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}
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if (!window.require.tlns)
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return console.log("unable to load " + id);
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var path = resolveModuleId(id, window.require.tlns);
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if (path.slice(-3) != ".js") path += ".js";
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window.require.id = id;
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window.require.modules[id] = {}; // prevent infinite loop on broken modules
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importScripts(path);
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return window.require(parentId, id);
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};
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function resolveModuleId(id, paths) {
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var testPath = id, tail = "";
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while (testPath) {
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var alias = paths[testPath];
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if (typeof alias == "string") {
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return alias + tail;
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} else if (alias) {
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return alias.location.replace(/\/*$/, "/") + (tail || alias.main || alias.name);
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} else if (alias === false) {
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return "";
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}
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var i = testPath.lastIndexOf("/");
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if (i === -1) break;
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tail = testPath.substr(i) + tail;
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testPath = testPath.slice(0, i);
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}
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return id;
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}
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window.require.modules = {};
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window.require.tlns = {};
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window.define = function(id, deps, factory) {
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if (arguments.length == 2) {
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factory = deps;
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if (typeof id != "string") {
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deps = id;
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id = window.require.id;
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}
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} else if (arguments.length == 1) {
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factory = id;
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deps = [];
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id = window.require.id;
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}
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if (typeof factory != "function") {
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window.require.modules[id] = {
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exports: factory,
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initialized: true
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};
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return;
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}
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if (!deps.length)
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// If there is no dependencies, we inject "require", "exports" and
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// "module" as dependencies, to provide CommonJS compatibility.
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deps = ["require", "exports", "module"];
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var req = function(childId) {
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return window.require(id, childId);
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};
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window.require.modules[id] = {
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exports: {},
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factory: function() {
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var module = this;
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var returnExports = factory.apply(this, deps.map(function(dep) {
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switch (dep) {
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// Because "require", "exports" and "module" aren't actual
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// dependencies, we must handle them seperately.
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case "require": return req;
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case "exports": return module.exports;
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case "module": return module;
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// But for all other dependencies, we can just go ahead and
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// require them.
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default: return req(dep);
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}
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}));
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if (returnExports)
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module.exports = returnExports;
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return module;
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}
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};
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};
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window.define.amd = {};
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require.tlns = {};
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window.initBaseUrls = function initBaseUrls(topLevelNamespaces) {
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for (var i in topLevelNamespaces)
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require.tlns[i] = topLevelNamespaces[i];
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};
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window.initSender = function initSender() {
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var EventEmitter = window.require("ace/lib/event_emitter").EventEmitter;
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var oop = window.require("ace/lib/oop");
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var Sender = function() {};
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(function() {
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oop.implement(this, EventEmitter);
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this.callback = function(data, callbackId) {
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postMessage({
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type: "call",
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id: callbackId,
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data: data
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});
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};
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this.emit = function(name, data) {
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postMessage({
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type: "event",
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name: name,
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data: data
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});
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};
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}).call(Sender.prototype);
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return new Sender();
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};
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var main = window.main = null;
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var sender = window.sender = null;
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window.onmessage = function(e) {
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var msg = e.data;
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if (msg.event && sender) {
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sender._signal(msg.event, msg.data);
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}
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else if (msg.command) {
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if (main[msg.command])
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main[msg.command].apply(main, msg.args);
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else if (window[msg.command])
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window[msg.command].apply(window, msg.args);
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else
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throw new Error("Unknown command:" + msg.command);
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}
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else if (msg.init) {
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window.initBaseUrls(msg.tlns);
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require("ace/lib/es5-shim");
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sender = window.sender = window.initSender();
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var clazz = require(msg.module)[msg.classname];
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main = window.main = new clazz(sender);
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}
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};
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})(this);
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define("ace/lib/oop",["require","exports","module"], function(require, exports, module) {
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"use strict";
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exports.inherits = function(ctor, superCtor) {
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ctor.super_ = superCtor;
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ctor.prototype = Object.create(superCtor.prototype, {
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constructor: {
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value: ctor,
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enumerable: false,
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writable: true,
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configurable: true
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}
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});
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};
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exports.mixin = function(obj, mixin) {
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for (var key in mixin) {
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obj[key] = mixin[key];
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}
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return obj;
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};
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exports.implement = function(proto, mixin) {
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exports.mixin(proto, mixin);
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};
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});
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define("ace/range",["require","exports","module"], function(require, exports, module) {
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"use strict";
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var comparePoints = function(p1, p2) {
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return p1.row - p2.row || p1.column - p2.column;
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};
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var Range = function(startRow, startColumn, endRow, endColumn) {
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this.start = {
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row: startRow,
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column: startColumn
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};
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this.end = {
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row: endRow,
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column: endColumn
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};
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};
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(function() {
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this.isEqual = function(range) {
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return this.start.row === range.start.row &&
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this.end.row === range.end.row &&
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this.start.column === range.start.column &&
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this.end.column === range.end.column;
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};
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this.toString = function() {
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return ("Range: [" + this.start.row + "/" + this.start.column +
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"] -> [" + this.end.row + "/" + this.end.column + "]");
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};
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this.contains = function(row, column) {
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return this.compare(row, column) == 0;
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};
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this.compareRange = function(range) {
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var cmp,
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end = range.end,
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start = range.start;
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cmp = this.compare(end.row, end.column);
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if (cmp == 1) {
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cmp = this.compare(start.row, start.column);
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if (cmp == 1) {
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return 2;
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} else if (cmp == 0) {
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return 1;
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} else {
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return 0;
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}
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} else if (cmp == -1) {
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return -2;
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} else {
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cmp = this.compare(start.row, start.column);
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if (cmp == -1) {
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return -1;
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} else if (cmp == 1) {
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return 42;
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} else {
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return 0;
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}
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}
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};
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this.comparePoint = function(p) {
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return this.compare(p.row, p.column);
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};
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this.containsRange = function(range) {
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return this.comparePoint(range.start) == 0 && this.comparePoint(range.end) == 0;
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};
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this.intersects = function(range) {
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var cmp = this.compareRange(range);
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return (cmp == -1 || cmp == 0 || cmp == 1);
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};
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this.isEnd = function(row, column) {
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return this.end.row == row && this.end.column == column;
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};
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this.isStart = function(row, column) {
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return this.start.row == row && this.start.column == column;
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};
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this.setStart = function(row, column) {
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if (typeof row == "object") {
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this.start.column = row.column;
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this.start.row = row.row;
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} else {
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this.start.row = row;
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this.start.column = column;
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}
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};
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this.setEnd = function(row, column) {
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if (typeof row == "object") {
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this.end.column = row.column;
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this.end.row = row.row;
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} else {
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this.end.row = row;
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this.end.column = column;
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}
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};
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this.inside = function(row, column) {
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if (this.compare(row, column) == 0) {
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if (this.isEnd(row, column) || this.isStart(row, column)) {
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return false;
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} else {
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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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this.insideStart = function(row, column) {
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if (this.compare(row, column) == 0) {
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if (this.isEnd(row, column)) {
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return false;
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} else {
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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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this.insideEnd = function(row, column) {
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if (this.compare(row, column) == 0) {
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if (this.isStart(row, column)) {
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return false;
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} else {
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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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this.compare = function(row, column) {
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if (!this.isMultiLine()) {
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if (row === this.start.row) {
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return column < this.start.column ? -1 : (column > this.end.column ? 1 : 0);
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}
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}
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if (row < this.start.row)
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return -1;
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if (row > this.end.row)
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return 1;
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if (this.start.row === row)
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return column >= this.start.column ? 0 : -1;
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if (this.end.row === row)
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return column <= this.end.column ? 0 : 1;
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return 0;
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};
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this.compareStart = function(row, column) {
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if (this.start.row == row && this.start.column == column) {
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return -1;
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} else {
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return this.compare(row, column);
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}
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};
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this.compareEnd = function(row, column) {
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if (this.end.row == row && this.end.column == column) {
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return 1;
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} else {
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return this.compare(row, column);
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}
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};
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this.compareInside = function(row, column) {
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if (this.end.row == row && this.end.column == column) {
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return 1;
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} else if (this.start.row == row && this.start.column == column) {
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return -1;
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} else {
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return this.compare(row, column);
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}
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};
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this.clipRows = function(firstRow, lastRow) {
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if (this.end.row > lastRow)
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var end = {row: lastRow + 1, column: 0};
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else if (this.end.row < firstRow)
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var end = {row: firstRow, column: 0};
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if (this.start.row > lastRow)
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var start = {row: lastRow + 1, column: 0};
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else if (this.start.row < firstRow)
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var start = {row: firstRow, column: 0};
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return Range.fromPoints(start || this.start, end || this.end);
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};
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this.extend = function(row, column) {
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var cmp = this.compare(row, column);
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if (cmp == 0)
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return this;
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else if (cmp == -1)
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var start = {row: row, column: column};
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else
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var end = {row: row, column: column};
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return Range.fromPoints(start || this.start, end || this.end);
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};
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this.isEmpty = function() {
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return (this.start.row === this.end.row && this.start.column === this.end.column);
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};
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this.isMultiLine = function() {
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return (this.start.row !== this.end.row);
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};
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this.clone = function() {
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return Range.fromPoints(this.start, this.end);
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};
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this.collapseRows = function() {
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if (this.end.column == 0)
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return new Range(this.start.row, 0, Math.max(this.start.row, this.end.row-1), 0)
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else
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return new Range(this.start.row, 0, this.end.row, 0)
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};
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this.toScreenRange = function(session) {
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var screenPosStart = session.documentToScreenPosition(this.start);
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var screenPosEnd = session.documentToScreenPosition(this.end);
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return new Range(
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screenPosStart.row, screenPosStart.column,
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screenPosEnd.row, screenPosEnd.column
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);
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};
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this.moveBy = function(row, column) {
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this.start.row += row;
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this.start.column += column;
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this.end.row += row;
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this.end.column += column;
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};
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}).call(Range.prototype);
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Range.fromPoints = function(start, end) {
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return new Range(start.row, start.column, end.row, end.column);
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};
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Range.comparePoints = comparePoints;
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Range.comparePoints = function(p1, p2) {
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return p1.row - p2.row || p1.column - p2.column;
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};
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exports.Range = Range;
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});
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|
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define("ace/apply_delta",["require","exports","module"], function(require, exports, module) {
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"use strict";
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function throwDeltaError(delta, errorText){
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console.log("Invalid Delta:", delta);
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throw "Invalid Delta: " + errorText;
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}
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function positionInDocument(docLines, position) {
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return position.row >= 0 && position.row < docLines.length &&
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position.column >= 0 && position.column <= docLines[position.row].length;
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}
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function validateDelta(docLines, delta) {
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if (delta.action != "insert" && delta.action != "remove")
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throwDeltaError(delta, "delta.action must be 'insert' or 'remove'");
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if (!(delta.lines instanceof Array))
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throwDeltaError(delta, "delta.lines must be an Array");
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if (!delta.start || !delta.end)
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throwDeltaError(delta, "delta.start/end must be an present");
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var start = delta.start;
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if (!positionInDocument(docLines, delta.start))
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throwDeltaError(delta, "delta.start must be contained in document");
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var end = delta.end;
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if (delta.action == "remove" && !positionInDocument(docLines, end))
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throwDeltaError(delta, "delta.end must contained in document for 'remove' actions");
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var numRangeRows = end.row - start.row;
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var numRangeLastLineChars = (end.column - (numRangeRows == 0 ? start.column : 0));
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if (numRangeRows != delta.lines.length - 1 || delta.lines[numRangeRows].length != numRangeLastLineChars)
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throwDeltaError(delta, "delta.range must match delta lines");
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}
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exports.applyDelta = function(docLines, delta, doNotValidate) {
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var row = delta.start.row;
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var startColumn = delta.start.column;
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var line = docLines[row] || "";
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switch (delta.action) {
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case "insert":
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var lines = delta.lines;
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if (lines.length === 1) {
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docLines[row] = line.substring(0, startColumn) + delta.lines[0] + line.substring(startColumn);
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} else {
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var args = [row, 1].concat(delta.lines);
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docLines.splice.apply(docLines, args);
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docLines[row] = line.substring(0, startColumn) + docLines[row];
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docLines[row + delta.lines.length - 1] += line.substring(startColumn);
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}
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break;
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case "remove":
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var endColumn = delta.end.column;
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var endRow = delta.end.row;
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if (row === endRow) {
|
|
docLines[row] = line.substring(0, startColumn) + line.substring(endColumn);
|
|
} else {
|
|
docLines.splice(
|
|
row, endRow - row + 1,
|
|
line.substring(0, startColumn) + docLines[endRow].substring(endColumn)
|
|
);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
});
|
|
|
|
define("ace/lib/event_emitter",["require","exports","module"], function(require, exports, module) {
|
|
"use strict";
|
|
|
|
var EventEmitter = {};
|
|
var stopPropagation = function() { this.propagationStopped = true; };
|
|
var preventDefault = function() { this.defaultPrevented = true; };
|
|
|
|
EventEmitter._emit =
|
|
EventEmitter._dispatchEvent = function(eventName, e) {
|
|
this._eventRegistry || (this._eventRegistry = {});
|
|
this._defaultHandlers || (this._defaultHandlers = {});
|
|
|
|
var listeners = this._eventRegistry[eventName] || [];
|
|
var defaultHandler = this._defaultHandlers[eventName];
|
|
if (!listeners.length && !defaultHandler)
|
|
return;
|
|
|
|
if (typeof e != "object" || !e)
|
|
e = {};
|
|
|
|
if (!e.type)
|
|
e.type = eventName;
|
|
if (!e.stopPropagation)
|
|
e.stopPropagation = stopPropagation;
|
|
if (!e.preventDefault)
|
|
e.preventDefault = preventDefault;
|
|
|
|
listeners = listeners.slice();
|
|
for (var i=0; i<listeners.length; i++) {
|
|
listeners[i](e, this);
|
|
if (e.propagationStopped)
|
|
break;
|
|
}
|
|
|
|
if (defaultHandler && !e.defaultPrevented)
|
|
return defaultHandler(e, this);
|
|
};
|
|
|
|
|
|
EventEmitter._signal = function(eventName, e) {
|
|
var listeners = (this._eventRegistry || {})[eventName];
|
|
if (!listeners)
|
|
return;
|
|
listeners = listeners.slice();
|
|
for (var i=0; i<listeners.length; i++)
|
|
listeners[i](e, this);
|
|
};
|
|
|
|
EventEmitter.once = function(eventName, callback) {
|
|
var _self = this;
|
|
callback && this.addEventListener(eventName, function newCallback() {
|
|
_self.removeEventListener(eventName, newCallback);
|
|
callback.apply(null, arguments);
|
|
});
|
|
};
|
|
|
|
|
|
EventEmitter.setDefaultHandler = function(eventName, callback) {
|
|
var handlers = this._defaultHandlers
|
|
if (!handlers)
|
|
handlers = this._defaultHandlers = {_disabled_: {}};
|
|
|
|
if (handlers[eventName]) {
|
|
var old = handlers[eventName];
|
|
var disabled = handlers._disabled_[eventName];
|
|
if (!disabled)
|
|
handlers._disabled_[eventName] = disabled = [];
|
|
disabled.push(old);
|
|
var i = disabled.indexOf(callback);
|
|
if (i != -1)
|
|
disabled.splice(i, 1);
|
|
}
|
|
handlers[eventName] = callback;
|
|
};
|
|
EventEmitter.removeDefaultHandler = function(eventName, callback) {
|
|
var handlers = this._defaultHandlers
|
|
if (!handlers)
|
|
return;
|
|
var disabled = handlers._disabled_[eventName];
|
|
|
|
if (handlers[eventName] == callback) {
|
|
var old = handlers[eventName];
|
|
if (disabled)
|
|
this.setDefaultHandler(eventName, disabled.pop());
|
|
} else if (disabled) {
|
|
var i = disabled.indexOf(callback);
|
|
if (i != -1)
|
|
disabled.splice(i, 1);
|
|
}
|
|
};
|
|
|
|
EventEmitter.on =
|
|
EventEmitter.addEventListener = function(eventName, callback, capturing) {
|
|
this._eventRegistry = this._eventRegistry || {};
|
|
|
|
var listeners = this._eventRegistry[eventName];
|
|
if (!listeners)
|
|
listeners = this._eventRegistry[eventName] = [];
|
|
|
|
if (listeners.indexOf(callback) == -1)
|
|
listeners[capturing ? "unshift" : "push"](callback);
|
|
return callback;
|
|
};
|
|
|
|
EventEmitter.off =
|
|
EventEmitter.removeListener =
|
|
EventEmitter.removeEventListener = function(eventName, callback) {
|
|
this._eventRegistry = this._eventRegistry || {};
|
|
|
|
var listeners = this._eventRegistry[eventName];
|
|
if (!listeners)
|
|
return;
|
|
|
|
var index = listeners.indexOf(callback);
|
|
if (index !== -1)
|
|
listeners.splice(index, 1);
|
|
};
|
|
|
|
EventEmitter.removeAllListeners = function(eventName) {
|
|
if (this._eventRegistry) this._eventRegistry[eventName] = [];
|
|
};
|
|
|
|
exports.EventEmitter = EventEmitter;
|
|
|
|
});
|
|
|
|
define("ace/anchor",["require","exports","module","ace/lib/oop","ace/lib/event_emitter"], function(require, exports, module) {
|
|
"use strict";
|
|
|
|
var oop = require("./lib/oop");
|
|
var EventEmitter = require("./lib/event_emitter").EventEmitter;
|
|
|
|
var Anchor = exports.Anchor = function(doc, row, column) {
|
|
this.$onChange = this.onChange.bind(this);
|
|
this.attach(doc);
|
|
|
|
if (typeof column == "undefined")
|
|
this.setPosition(row.row, row.column);
|
|
else
|
|
this.setPosition(row, column);
|
|
};
|
|
|
|
(function() {
|
|
|
|
oop.implement(this, EventEmitter);
|
|
this.getPosition = function() {
|
|
return this.$clipPositionToDocument(this.row, this.column);
|
|
};
|
|
this.getDocument = function() {
|
|
return this.document;
|
|
};
|
|
this.$insertRight = false;
|
|
this.onChange = function(delta) {
|
|
if (delta.start.row == delta.end.row && delta.start.row != this.row)
|
|
return;
|
|
|
|
if (delta.start.row > this.row)
|
|
return;
|
|
|
|
var point = $getTransformedPoint(delta, {row: this.row, column: this.column}, this.$insertRight);
|
|
this.setPosition(point.row, point.column, true);
|
|
};
|
|
|
|
function $pointsInOrder(point1, point2, equalPointsInOrder) {
|
|
var bColIsAfter = equalPointsInOrder ? point1.column <= point2.column : point1.column < point2.column;
|
|
return (point1.row < point2.row) || (point1.row == point2.row && bColIsAfter);
|
|
}
|
|
|
|
function $getTransformedPoint(delta, point, moveIfEqual) {
|
|
var deltaIsInsert = delta.action == "insert";
|
|
var deltaRowShift = (deltaIsInsert ? 1 : -1) * (delta.end.row - delta.start.row);
|
|
var deltaColShift = (deltaIsInsert ? 1 : -1) * (delta.end.column - delta.start.column);
|
|
var deltaStart = delta.start;
|
|
var deltaEnd = deltaIsInsert ? deltaStart : delta.end; // Collapse insert range.
|
|
if ($pointsInOrder(point, deltaStart, moveIfEqual)) {
|
|
return {
|
|
row: point.row,
|
|
column: point.column
|
|
};
|
|
}
|
|
if ($pointsInOrder(deltaEnd, point, !moveIfEqual)) {
|
|
return {
|
|
row: point.row + deltaRowShift,
|
|
column: point.column + (point.row == deltaEnd.row ? deltaColShift : 0)
|
|
};
|
|
}
|
|
|
|
return {
|
|
row: deltaStart.row,
|
|
column: deltaStart.column
|
|
};
|
|
}
|
|
this.setPosition = function(row, column, noClip) {
|
|
var pos;
|
|
if (noClip) {
|
|
pos = {
|
|
row: row,
|
|
column: column
|
|
};
|
|
} else {
|
|
pos = this.$clipPositionToDocument(row, column);
|
|
}
|
|
|
|
if (this.row == pos.row && this.column == pos.column)
|
|
return;
|
|
|
|
var old = {
|
|
row: this.row,
|
|
column: this.column
|
|
};
|
|
|
|
this.row = pos.row;
|
|
this.column = pos.column;
|
|
this._signal("change", {
|
|
old: old,
|
|
value: pos
|
|
});
|
|
};
|
|
this.detach = function() {
|
|
this.document.removeEventListener("change", this.$onChange);
|
|
};
|
|
this.attach = function(doc) {
|
|
this.document = doc || this.document;
|
|
this.document.on("change", this.$onChange);
|
|
};
|
|
this.$clipPositionToDocument = function(row, column) {
|
|
var pos = {};
|
|
|
|
if (row >= this.document.getLength()) {
|
|
pos.row = Math.max(0, this.document.getLength() - 1);
|
|
pos.column = this.document.getLine(pos.row).length;
|
|
}
|
|
else if (row < 0) {
|
|
pos.row = 0;
|
|
pos.column = 0;
|
|
}
|
|
else {
|
|
pos.row = row;
|
|
pos.column = Math.min(this.document.getLine(pos.row).length, Math.max(0, column));
|
|
}
|
|
|
|
if (column < 0)
|
|
pos.column = 0;
|
|
|
|
return pos;
|
|
};
|
|
|
|
}).call(Anchor.prototype);
|
|
|
|
});
|
|
|
|
define("ace/document",["require","exports","module","ace/lib/oop","ace/apply_delta","ace/lib/event_emitter","ace/range","ace/anchor"], function(require, exports, module) {
|
|
"use strict";
|
|
|
|
var oop = require("./lib/oop");
|
|
var applyDelta = require("./apply_delta").applyDelta;
|
|
var EventEmitter = require("./lib/event_emitter").EventEmitter;
|
|
var Range = require("./range").Range;
|
|
var Anchor = require("./anchor").Anchor;
|
|
|
|
var Document = function(textOrLines) {
|
|
this.$lines = [""];
|
|
if (textOrLines.length === 0) {
|
|
this.$lines = [""];
|
|
} else if (Array.isArray(textOrLines)) {
|
|
this.insertMergedLines({row: 0, column: 0}, textOrLines);
|
|
} else {
|
|
this.insert({row: 0, column:0}, textOrLines);
|
|
}
|
|
};
|
|
|
|
(function() {
|
|
|
|
oop.implement(this, EventEmitter);
|
|
this.setValue = function(text) {
|
|
var len = this.getLength() - 1;
|
|
this.remove(new Range(0, 0, len, this.getLine(len).length));
|
|
this.insert({row: 0, column: 0}, text);
|
|
};
|
|
this.getValue = function() {
|
|
return this.getAllLines().join(this.getNewLineCharacter());
|
|
};
|
|
this.createAnchor = function(row, column) {
|
|
return new Anchor(this, row, column);
|
|
};
|
|
if ("aaa".split(/a/).length === 0) {
|
|
this.$split = function(text) {
|
|
return text.replace(/\r\n|\r/g, "\n").split("\n");
|
|
};
|
|
} else {
|
|
this.$split = function(text) {
|
|
return text.split(/\r\n|\r|\n/);
|
|
};
|
|
}
|
|
|
|
|
|
this.$detectNewLine = function(text) {
|
|
var match = text.match(/^.*?(\r\n|\r|\n)/m);
|
|
this.$autoNewLine = match ? match[1] : "\n";
|
|
this._signal("changeNewLineMode");
|
|
};
|
|
this.getNewLineCharacter = function() {
|
|
switch (this.$newLineMode) {
|
|
case "windows":
|
|
return "\r\n";
|
|
case "unix":
|
|
return "\n";
|
|
default:
|
|
return this.$autoNewLine || "\n";
|
|
}
|
|
};
|
|
|
|
this.$autoNewLine = "";
|
|
this.$newLineMode = "auto";
|
|
this.setNewLineMode = function(newLineMode) {
|
|
if (this.$newLineMode === newLineMode)
|
|
return;
|
|
|
|
this.$newLineMode = newLineMode;
|
|
this._signal("changeNewLineMode");
|
|
};
|
|
this.getNewLineMode = function() {
|
|
return this.$newLineMode;
|
|
};
|
|
this.isNewLine = function(text) {
|
|
return (text == "\r\n" || text == "\r" || text == "\n");
|
|
};
|
|
this.getLine = function(row) {
|
|
return this.$lines[row] || "";
|
|
};
|
|
this.getLines = function(firstRow, lastRow) {
|
|
return this.$lines.slice(firstRow, lastRow + 1);
|
|
};
|
|
this.getAllLines = function() {
|
|
return this.getLines(0, this.getLength());
|
|
};
|
|
this.getLength = function() {
|
|
return this.$lines.length;
|
|
};
|
|
this.getTextRange = function(range) {
|
|
return this.getLinesForRange(range).join(this.getNewLineCharacter());
|
|
};
|
|
this.getLinesForRange = function(range) {
|
|
var lines;
|
|
if (range.start.row === range.end.row) {
|
|
lines = [this.getLine(range.start.row).substring(range.start.column, range.end.column)];
|
|
} else {
|
|
lines = this.getLines(range.start.row, range.end.row);
|
|
lines[0] = (lines[0] || "").substring(range.start.column);
|
|
var l = lines.length - 1;
|
|
if (range.end.row - range.start.row == l)
|
|
lines[l] = lines[l].substring(0, range.end.column);
|
|
}
|
|
return lines;
|
|
};
|
|
this.insertLines = function(row, lines) {
|
|
console.warn("Use of document.insertLines is deprecated. Use the insertFullLines method instead.");
|
|
return this.insertFullLines(row, lines);
|
|
};
|
|
this.removeLines = function(firstRow, lastRow) {
|
|
console.warn("Use of document.removeLines is deprecated. Use the removeFullLines method instead.");
|
|
return this.removeFullLines(firstRow, lastRow);
|
|
};
|
|
this.insertNewLine = function(position) {
|
|
console.warn("Use of document.insertNewLine is deprecated. Use insertMergedLines(position, ['', '']) instead.");
|
|
return this.insertMergedLines(position, ["", ""]);
|
|
};
|
|
this.insert = function(position, text) {
|
|
if (this.getLength() <= 1)
|
|
this.$detectNewLine(text);
|
|
|
|
return this.insertMergedLines(position, this.$split(text));
|
|
};
|
|
this.insertInLine = function(position, text) {
|
|
var start = this.clippedPos(position.row, position.column);
|
|
var end = this.pos(position.row, position.column + text.length);
|
|
|
|
this.applyDelta({
|
|
start: start,
|
|
end: end,
|
|
action: "insert",
|
|
lines: [text]
|
|
}, true);
|
|
|
|
return this.clonePos(end);
|
|
};
|
|
|
|
this.clippedPos = function(row, column) {
|
|
var length = this.getLength();
|
|
if (row === undefined) {
|
|
row = length;
|
|
} else if (row < 0) {
|
|
row = 0;
|
|
} else if (row >= length) {
|
|
row = length - 1;
|
|
column = undefined;
|
|
}
|
|
var line = this.getLine(row);
|
|
if (column == undefined)
|
|
column = line.length;
|
|
column = Math.min(Math.max(column, 0), line.length);
|
|
return {row: row, column: column};
|
|
};
|
|
|
|
this.clonePos = function(pos) {
|
|
return {row: pos.row, column: pos.column};
|
|
};
|
|
|
|
this.pos = function(row, column) {
|
|
return {row: row, column: column};
|
|
};
|
|
|
|
this.$clipPosition = function(position) {
|
|
var length = this.getLength();
|
|
if (position.row >= length) {
|
|
position.row = Math.max(0, length - 1);
|
|
position.column = this.getLine(length - 1).length;
|
|
} else {
|
|
position.row = Math.max(0, position.row);
|
|
position.column = Math.min(Math.max(position.column, 0), this.getLine(position.row).length);
|
|
}
|
|
return position;
|
|
};
|
|
this.insertFullLines = function(row, lines) {
|
|
row = Math.min(Math.max(row, 0), this.getLength());
|
|
var column = 0;
|
|
if (row < this.getLength()) {
|
|
lines = lines.concat([""]);
|
|
column = 0;
|
|
} else {
|
|
lines = [""].concat(lines);
|
|
row--;
|
|
column = this.$lines[row].length;
|
|
}
|
|
this.insertMergedLines({row: row, column: column}, lines);
|
|
};
|
|
this.insertMergedLines = function(position, lines) {
|
|
var start = this.clippedPos(position.row, position.column);
|
|
var end = {
|
|
row: start.row + lines.length - 1,
|
|
column: (lines.length == 1 ? start.column : 0) + lines[lines.length - 1].length
|
|
};
|
|
|
|
this.applyDelta({
|
|
start: start,
|
|
end: end,
|
|
action: "insert",
|
|
lines: lines
|
|
});
|
|
|
|
return this.clonePos(end);
|
|
};
|
|
this.remove = function(range) {
|
|
var start = this.clippedPos(range.start.row, range.start.column);
|
|
var end = this.clippedPos(range.end.row, range.end.column);
|
|
this.applyDelta({
|
|
start: start,
|
|
end: end,
|
|
action: "remove",
|
|
lines: this.getLinesForRange({start: start, end: end})
|
|
});
|
|
return this.clonePos(start);
|
|
};
|
|
this.removeInLine = function(row, startColumn, endColumn) {
|
|
var start = this.clippedPos(row, startColumn);
|
|
var end = this.clippedPos(row, endColumn);
|
|
|
|
this.applyDelta({
|
|
start: start,
|
|
end: end,
|
|
action: "remove",
|
|
lines: this.getLinesForRange({start: start, end: end})
|
|
}, true);
|
|
|
|
return this.clonePos(start);
|
|
};
|
|
this.removeFullLines = function(firstRow, lastRow) {
|
|
firstRow = Math.min(Math.max(0, firstRow), this.getLength() - 1);
|
|
lastRow = Math.min(Math.max(0, lastRow ), this.getLength() - 1);
|
|
var deleteFirstNewLine = lastRow == this.getLength() - 1 && firstRow > 0;
|
|
var deleteLastNewLine = lastRow < this.getLength() - 1;
|
|
var startRow = ( deleteFirstNewLine ? firstRow - 1 : firstRow );
|
|
var startCol = ( deleteFirstNewLine ? this.getLine(startRow).length : 0 );
|
|
var endRow = ( deleteLastNewLine ? lastRow + 1 : lastRow );
|
|
var endCol = ( deleteLastNewLine ? 0 : this.getLine(endRow).length );
|
|
var range = new Range(startRow, startCol, endRow, endCol);
|
|
var deletedLines = this.$lines.slice(firstRow, lastRow + 1);
|
|
|
|
this.applyDelta({
|
|
start: range.start,
|
|
end: range.end,
|
|
action: "remove",
|
|
lines: this.getLinesForRange(range)
|
|
});
|
|
return deletedLines;
|
|
};
|
|
this.removeNewLine = function(row) {
|
|
if (row < this.getLength() - 1 && row >= 0) {
|
|
this.applyDelta({
|
|
start: this.pos(row, this.getLine(row).length),
|
|
end: this.pos(row + 1, 0),
|
|
action: "remove",
|
|
lines: ["", ""]
|
|
});
|
|
}
|
|
};
|
|
this.replace = function(range, text) {
|
|
if (!(range instanceof Range))
|
|
range = Range.fromPoints(range.start, range.end);
|
|
if (text.length === 0 && range.isEmpty())
|
|
return range.start;
|
|
if (text == this.getTextRange(range))
|
|
return range.end;
|
|
|
|
this.remove(range);
|
|
var end;
|
|
if (text) {
|
|
end = this.insert(range.start, text);
|
|
}
|
|
else {
|
|
end = range.start;
|
|
}
|
|
|
|
return end;
|
|
};
|
|
this.applyDeltas = function(deltas) {
|
|
for (var i=0; i<deltas.length; i++) {
|
|
this.applyDelta(deltas[i]);
|
|
}
|
|
};
|
|
this.revertDeltas = function(deltas) {
|
|
for (var i=deltas.length-1; i>=0; i--) {
|
|
this.revertDelta(deltas[i]);
|
|
}
|
|
};
|
|
this.applyDelta = function(delta, doNotValidate) {
|
|
var isInsert = delta.action == "insert";
|
|
if (isInsert ? delta.lines.length <= 1 && !delta.lines[0]
|
|
: !Range.comparePoints(delta.start, delta.end)) {
|
|
return;
|
|
}
|
|
|
|
if (isInsert && delta.lines.length > 20000)
|
|
this.$splitAndapplyLargeDelta(delta, 20000);
|
|
applyDelta(this.$lines, delta, doNotValidate);
|
|
this._signal("change", delta);
|
|
};
|
|
|
|
this.$splitAndapplyLargeDelta = function(delta, MAX) {
|
|
var lines = delta.lines;
|
|
var l = lines.length;
|
|
var row = delta.start.row;
|
|
var column = delta.start.column;
|
|
var from = 0, to = 0;
|
|
do {
|
|
from = to;
|
|
to += MAX - 1;
|
|
var chunk = lines.slice(from, to);
|
|
if (to > l) {
|
|
delta.lines = chunk;
|
|
delta.start.row = row + from;
|
|
delta.start.column = column;
|
|
break;
|
|
}
|
|
chunk.push("");
|
|
this.applyDelta({
|
|
start: this.pos(row + from, column),
|
|
end: this.pos(row + to, column = 0),
|
|
action: delta.action,
|
|
lines: chunk
|
|
}, true);
|
|
} while(true);
|
|
};
|
|
this.revertDelta = function(delta) {
|
|
this.applyDelta({
|
|
start: this.clonePos(delta.start),
|
|
end: this.clonePos(delta.end),
|
|
action: (delta.action == "insert" ? "remove" : "insert"),
|
|
lines: delta.lines.slice()
|
|
});
|
|
};
|
|
this.indexToPosition = function(index, startRow) {
|
|
var lines = this.$lines || this.getAllLines();
|
|
var newlineLength = this.getNewLineCharacter().length;
|
|
for (var i = startRow || 0, l = lines.length; i < l; i++) {
|
|
index -= lines[i].length + newlineLength;
|
|
if (index < 0)
|
|
return {row: i, column: index + lines[i].length + newlineLength};
|
|
}
|
|
return {row: l-1, column: lines[l-1].length};
|
|
};
|
|
this.positionToIndex = function(pos, startRow) {
|
|
var lines = this.$lines || this.getAllLines();
|
|
var newlineLength = this.getNewLineCharacter().length;
|
|
var index = 0;
|
|
var row = Math.min(pos.row, lines.length);
|
|
for (var i = startRow || 0; i < row; ++i)
|
|
index += lines[i].length + newlineLength;
|
|
|
|
return index + pos.column;
|
|
};
|
|
|
|
}).call(Document.prototype);
|
|
|
|
exports.Document = Document;
|
|
});
|
|
|
|
define("ace/lib/lang",["require","exports","module"], function(require, exports, module) {
|
|
"use strict";
|
|
|
|
exports.last = function(a) {
|
|
return a[a.length - 1];
|
|
};
|
|
|
|
exports.stringReverse = function(string) {
|
|
return string.split("").reverse().join("");
|
|
};
|
|
|
|
exports.stringRepeat = function (string, count) {
|
|
var result = '';
|
|
while (count > 0) {
|
|
if (count & 1)
|
|
result += string;
|
|
|
|
if (count >>= 1)
|
|
string += string;
|
|
}
|
|
return result;
|
|
};
|
|
|
|
var trimBeginRegexp = /^\s\s*/;
|
|
var trimEndRegexp = /\s\s*$/;
|
|
|
|
exports.stringTrimLeft = function (string) {
|
|
return string.replace(trimBeginRegexp, '');
|
|
};
|
|
|
|
exports.stringTrimRight = function (string) {
|
|
return string.replace(trimEndRegexp, '');
|
|
};
|
|
|
|
exports.copyObject = function(obj) {
|
|
var copy = {};
|
|
for (var key in obj) {
|
|
copy[key] = obj[key];
|
|
}
|
|
return copy;
|
|
};
|
|
|
|
exports.copyArray = function(array){
|
|
var copy = [];
|
|
for (var i=0, l=array.length; i<l; i++) {
|
|
if (array[i] && typeof array[i] == "object")
|
|
copy[i] = this.copyObject(array[i]);
|
|
else
|
|
copy[i] = array[i];
|
|
}
|
|
return copy;
|
|
};
|
|
|
|
exports.deepCopy = function deepCopy(obj) {
|
|
if (typeof obj !== "object" || !obj)
|
|
return obj;
|
|
var copy;
|
|
if (Array.isArray(obj)) {
|
|
copy = [];
|
|
for (var key = 0; key < obj.length; key++) {
|
|
copy[key] = deepCopy(obj[key]);
|
|
}
|
|
return copy;
|
|
}
|
|
if (Object.prototype.toString.call(obj) !== "[object Object]")
|
|
return obj;
|
|
|
|
copy = {};
|
|
for (var key in obj)
|
|
copy[key] = deepCopy(obj[key]);
|
|
return copy;
|
|
};
|
|
|
|
exports.arrayToMap = function(arr) {
|
|
var map = {};
|
|
for (var i=0; i<arr.length; i++) {
|
|
map[arr[i]] = 1;
|
|
}
|
|
return map;
|
|
|
|
};
|
|
|
|
exports.createMap = function(props) {
|
|
var map = Object.create(null);
|
|
for (var i in props) {
|
|
map[i] = props[i];
|
|
}
|
|
return map;
|
|
};
|
|
exports.arrayRemove = function(array, value) {
|
|
for (var i = 0; i <= array.length; i++) {
|
|
if (value === array[i]) {
|
|
array.splice(i, 1);
|
|
}
|
|
}
|
|
};
|
|
|
|
exports.escapeRegExp = function(str) {
|
|
return str.replace(/([.*+?^${}()|[\]\/\\])/g, '\\$1');
|
|
};
|
|
|
|
exports.escapeHTML = function(str) {
|
|
return str.replace(/&/g, "&").replace(/"/g, """).replace(/'/g, "'").replace(/</g, "<");
|
|
};
|
|
|
|
exports.getMatchOffsets = function(string, regExp) {
|
|
var matches = [];
|
|
|
|
string.replace(regExp, function(str) {
|
|
matches.push({
|
|
offset: arguments[arguments.length-2],
|
|
length: str.length
|
|
});
|
|
});
|
|
|
|
return matches;
|
|
};
|
|
exports.deferredCall = function(fcn) {
|
|
var timer = null;
|
|
var callback = function() {
|
|
timer = null;
|
|
fcn();
|
|
};
|
|
|
|
var deferred = function(timeout) {
|
|
deferred.cancel();
|
|
timer = setTimeout(callback, timeout || 0);
|
|
return deferred;
|
|
};
|
|
|
|
deferred.schedule = deferred;
|
|
|
|
deferred.call = function() {
|
|
this.cancel();
|
|
fcn();
|
|
return deferred;
|
|
};
|
|
|
|
deferred.cancel = function() {
|
|
clearTimeout(timer);
|
|
timer = null;
|
|
return deferred;
|
|
};
|
|
|
|
deferred.isPending = function() {
|
|
return timer;
|
|
};
|
|
|
|
return deferred;
|
|
};
|
|
|
|
|
|
exports.delayedCall = function(fcn, defaultTimeout) {
|
|
var timer = null;
|
|
var callback = function() {
|
|
timer = null;
|
|
fcn();
|
|
};
|
|
|
|
var _self = function(timeout) {
|
|
if (timer == null)
|
|
timer = setTimeout(callback, timeout || defaultTimeout);
|
|
};
|
|
|
|
_self.delay = function(timeout) {
|
|
timer && clearTimeout(timer);
|
|
timer = setTimeout(callback, timeout || defaultTimeout);
|
|
};
|
|
_self.schedule = _self;
|
|
|
|
_self.call = function() {
|
|
this.cancel();
|
|
fcn();
|
|
};
|
|
|
|
_self.cancel = function() {
|
|
timer && clearTimeout(timer);
|
|
timer = null;
|
|
};
|
|
|
|
_self.isPending = function() {
|
|
return timer;
|
|
};
|
|
|
|
return _self;
|
|
};
|
|
});
|
|
|
|
define("ace/worker/mirror",["require","exports","module","ace/range","ace/document","ace/lib/lang"], function(require, exports, module) {
|
|
"use strict";
|
|
|
|
var Range = require("../range").Range;
|
|
var Document = require("../document").Document;
|
|
var lang = require("../lib/lang");
|
|
|
|
var Mirror = exports.Mirror = function(sender) {
|
|
this.sender = sender;
|
|
var doc = this.doc = new Document("");
|
|
|
|
var deferredUpdate = this.deferredUpdate = lang.delayedCall(this.onUpdate.bind(this));
|
|
|
|
var _self = this;
|
|
sender.on("change", function(e) {
|
|
var data = e.data;
|
|
if (data[0].start) {
|
|
doc.applyDeltas(data);
|
|
} else {
|
|
for (var i = 0; i < data.length; i += 2) {
|
|
if (Array.isArray(data[i+1])) {
|
|
var d = {action: "insert", start: data[i], lines: data[i+1]};
|
|
} else {
|
|
var d = {action: "remove", start: data[i], end: data[i+1]};
|
|
}
|
|
doc.applyDelta(d, true);
|
|
}
|
|
}
|
|
if (_self.$timeout)
|
|
return deferredUpdate.schedule(_self.$timeout);
|
|
_self.onUpdate();
|
|
});
|
|
};
|
|
|
|
(function() {
|
|
|
|
this.$timeout = 500;
|
|
|
|
this.setTimeout = function(timeout) {
|
|
this.$timeout = timeout;
|
|
};
|
|
|
|
this.setValue = function(value) {
|
|
this.doc.setValue(value);
|
|
this.deferredUpdate.schedule(this.$timeout);
|
|
};
|
|
|
|
this.getValue = function(callbackId) {
|
|
this.sender.callback(this.doc.getValue(), callbackId);
|
|
};
|
|
|
|
this.onUpdate = function() {
|
|
};
|
|
|
|
this.isPending = function() {
|
|
return this.deferredUpdate.isPending();
|
|
};
|
|
|
|
}).call(Mirror.prototype);
|
|
|
|
});
|
|
|
|
define("ace/mode/jsonata_worker",["require","exports","module","ace/lib/oop","ace/worker/mirror"], function(require, exports, module) {
|
|
"use strict";
|
|
|
|
|
|
|
|
var jsonata = (function() {
|
|
var operators = {
|
|
'.': 75,
|
|
'[': 80,
|
|
']': 0,
|
|
'{': 70,
|
|
'}': 0,
|
|
'(': 80,
|
|
')': 0,
|
|
',': 0,
|
|
'@': 75,
|
|
'#': 70,
|
|
';': 80,
|
|
':': 80,
|
|
'?': 20,
|
|
'+': 50,
|
|
'-': 50,
|
|
'*': 60,
|
|
'/': 60,
|
|
'%': 60,
|
|
'|': 20,
|
|
'=': 40,
|
|
'<': 40,
|
|
'>': 40,
|
|
'`': 80,
|
|
'**': 60,
|
|
'..': 20,
|
|
':=': 10,
|
|
'!=': 40,
|
|
'<=': 40,
|
|
'>=': 40,
|
|
'and': 30,
|
|
'or': 25,
|
|
'in': 40,
|
|
'&': 50,
|
|
'!': 0 // not an operator, but needed as a stop character for name tokens
|
|
};
|
|
|
|
var escapes = { // JSON string escape sequences - see json.org
|
|
'"': '"',
|
|
'\\': '\\',
|
|
'/': '/',
|
|
'b': '\b',
|
|
'f': '\f',
|
|
'n': '\n',
|
|
'r': '\r',
|
|
't': '\t'
|
|
};
|
|
var tokenizer = function (path) {
|
|
var position = 0;
|
|
var length = path.length;
|
|
|
|
var create = function (type, value) {
|
|
var obj = {type: type, value: value, position: position};
|
|
return obj;
|
|
};
|
|
|
|
var next = function () {
|
|
if (position >= length) return null;
|
|
var currentChar = path.charAt(position);
|
|
while (position < length && ' \t\n\r\v'.indexOf(currentChar) > -1) {
|
|
position++;
|
|
currentChar = path.charAt(position);
|
|
}
|
|
if (currentChar === '.' && path.charAt(position + 1) === '.') {
|
|
position += 2;
|
|
return create('operator', '..');
|
|
}
|
|
if (currentChar === ':' && path.charAt(position + 1) === '=') {
|
|
position += 2;
|
|
return create('operator', ':=');
|
|
}
|
|
if (currentChar === '!' && path.charAt(position + 1) === '=') {
|
|
position += 2;
|
|
return create('operator', '!=');
|
|
}
|
|
if (currentChar === '>' && path.charAt(position + 1) === '=') {
|
|
position += 2;
|
|
return create('operator', '>=');
|
|
}
|
|
if (currentChar === '<' && path.charAt(position + 1) === '=') {
|
|
position += 2;
|
|
return create('operator', '<=');
|
|
}
|
|
if (currentChar === '*' && path.charAt(position + 1) === '*') {
|
|
position += 2;
|
|
return create('operator', '**');
|
|
}
|
|
if (operators.hasOwnProperty(currentChar)) {
|
|
position++;
|
|
return create('operator', currentChar);
|
|
}
|
|
if (currentChar === '"' || currentChar === "'") {
|
|
var quoteType = currentChar;
|
|
position++;
|
|
var qstr = "";
|
|
while (position < length) {
|
|
currentChar = path.charAt(position);
|
|
if (currentChar === '\\') { // escape sequence
|
|
position++;
|
|
currentChar = path.charAt(position);
|
|
if (escapes.hasOwnProperty(currentChar)) {
|
|
qstr += escapes[currentChar];
|
|
} else if (currentChar === 'u') {
|
|
var octets = path.substr(position + 1, 4);
|
|
if (/^[0-9a-fA-F]+$/.test(octets)) {
|
|
var codepoint = parseInt(octets, 16);
|
|
qstr += String.fromCharCode(codepoint);
|
|
position += 4;
|
|
} else {
|
|
throw {
|
|
message: "The escape sequence \\u must be followed by 4 hex digits at column " + position,
|
|
stack: (new Error()).stack,
|
|
position: position
|
|
};
|
|
}
|
|
} else {
|
|
throw {
|
|
message: 'unsupported escape sequence: \\' + currentChar + ' at column ' + position,
|
|
stack: (new Error()).stack,
|
|
position: position,
|
|
token: currentChar
|
|
};
|
|
|
|
}
|
|
} else if (currentChar === quoteType) {
|
|
position++;
|
|
return create('string', qstr);
|
|
} else {
|
|
qstr += currentChar;
|
|
}
|
|
position++;
|
|
}
|
|
throw {
|
|
message: 'no terminating quote found in string literal at column ' + position,
|
|
stack: (new Error()).stack,
|
|
position: position
|
|
};
|
|
}
|
|
var numregex = /^-?(0|([1-9][0-9]*))(\.[0-9]+)?([Ee][-+]?[0-9]+)?/;
|
|
var match = numregex.exec(path.substring(position));
|
|
if (match !== null) {
|
|
var num = parseFloat(match[0]);
|
|
if (!isNaN(num) && isFinite(num)) {
|
|
position += match[0].length;
|
|
return create('number', num);
|
|
} else {
|
|
throw {
|
|
message: 'Number out of range: ' + match[0] + ' at column ' + position,
|
|
stack: (new Error()).stack,
|
|
position: position,
|
|
token: match[0]
|
|
};
|
|
}
|
|
}
|
|
var i = position;
|
|
var ch;
|
|
var name;
|
|
for (;;) {
|
|
ch = path.charAt(i);
|
|
if (i == length || ' \t\n\r\v'.indexOf(ch) > -1 || operators.hasOwnProperty(ch)) {
|
|
if (path.charAt(position) === '$') {
|
|
name = path.substring(position + 1, i);
|
|
position = i;
|
|
return create('variable', name);
|
|
} else {
|
|
name = path.substring(position, i);
|
|
position = i;
|
|
switch (name) {
|
|
case 'and':
|
|
case 'or':
|
|
case 'in':
|
|
return create('operator', name);
|
|
case 'true':
|
|
return create('value', true);
|
|
case 'false':
|
|
return create('value', false);
|
|
case 'null':
|
|
return create('value', null);
|
|
default:
|
|
if (position == length && name === '') {
|
|
return null;
|
|
}
|
|
return create('name', name);
|
|
}
|
|
}
|
|
} else {
|
|
i++;
|
|
}
|
|
}
|
|
};
|
|
|
|
return next;
|
|
};
|
|
|
|
var parser = function (source) {
|
|
var node;
|
|
var lexer;
|
|
|
|
var symbol_table = {};
|
|
|
|
var base_symbol = {
|
|
nud: function () {
|
|
return this;
|
|
}
|
|
};
|
|
|
|
var symbol = function (id, bp) {
|
|
var s = symbol_table[id];
|
|
bp = bp || 0;
|
|
if (s) {
|
|
if (bp >= s.lbp) {
|
|
s.lbp = bp;
|
|
}
|
|
} else {
|
|
s = Object.create(base_symbol);
|
|
s.id = s.value = id;
|
|
s.lbp = bp;
|
|
symbol_table[id] = s;
|
|
}
|
|
return s;
|
|
};
|
|
|
|
var advance = function (id) {
|
|
if (id && node.id !== id) {
|
|
var msg;
|
|
if(node.id === '(end)') {
|
|
msg = "Syntax error: expected '" + id + "' before end of expression";
|
|
} else {
|
|
msg = "Syntax error: expected '" + id + "', got '" + node.id + "' at column " + node.position;
|
|
}
|
|
throw {
|
|
message: msg ,
|
|
stack: (new Error()).stack,
|
|
position: node.position,
|
|
token: node.id,
|
|
value: id
|
|
};
|
|
}
|
|
var next_token = lexer();
|
|
if (next_token === null) {
|
|
node = symbol_table["(end)"];
|
|
return node;
|
|
}
|
|
var value = next_token.value;
|
|
var type = next_token.type;
|
|
var symbol;
|
|
switch (type) {
|
|
case 'name':
|
|
case 'variable':
|
|
symbol = symbol_table["(name)"];
|
|
break;
|
|
case 'operator':
|
|
symbol = symbol_table[value];
|
|
if (!symbol) {
|
|
throw {
|
|
message: "Unknown operator: " + value + " at column " + next_token.position,
|
|
stack: (new Error()).stack,
|
|
position: next_token.position,
|
|
token: value
|
|
};
|
|
}
|
|
break;
|
|
case 'string':
|
|
case 'number':
|
|
case 'value':
|
|
type = "literal";
|
|
symbol = symbol_table["(literal)"];
|
|
break;
|
|
default:
|
|
throw {
|
|
message: "Unexpected token:" + value + " at column " + next_token.position,
|
|
stack: (new Error()).stack,
|
|
position: next_token.position,
|
|
token: value
|
|
};
|
|
}
|
|
|
|
node = Object.create(symbol);
|
|
node.value = value;
|
|
node.type = type;
|
|
node.position = next_token.position;
|
|
return node;
|
|
};
|
|
var expression = function (rbp) {
|
|
var left;
|
|
var t = node;
|
|
advance();
|
|
left = t.nud();
|
|
while (rbp < node.lbp) {
|
|
t = node;
|
|
advance();
|
|
left = t.led(left);
|
|
}
|
|
return left;
|
|
};
|
|
var infix = function (id, bp, led) {
|
|
var bindingPower = bp || operators[id];
|
|
var s = symbol(id, bindingPower);
|
|
s.led = led || function (left) {
|
|
this.lhs = left;
|
|
this.rhs = expression(bindingPower);
|
|
this.type = "binary";
|
|
return this;
|
|
};
|
|
return s;
|
|
};
|
|
var infixr = function (id, bp, led) {
|
|
var bindingPower = bp || operators[id];
|
|
var s = symbol(id, bindingPower);
|
|
s.led = led || function (left) {
|
|
this.lhs = left;
|
|
this.rhs = expression(bindingPower - 1); // subtract 1 from bindingPower for right associative operators
|
|
this.type = "binary";
|
|
return this;
|
|
};
|
|
return s;
|
|
};
|
|
var prefix = function (id, nud) {
|
|
var s = symbol(id);
|
|
s.nud = nud || function () {
|
|
this.expression = expression(70);
|
|
this.type = "unary";
|
|
return this;
|
|
};
|
|
return s;
|
|
};
|
|
|
|
symbol("(end)");
|
|
symbol("(name)");
|
|
symbol("(literal)");
|
|
symbol(":");
|
|
symbol(";");
|
|
symbol(",");
|
|
symbol(")");
|
|
symbol("]");
|
|
symbol("}");
|
|
symbol(".."); // range operator
|
|
infix("."); // field reference
|
|
infix("+"); // numeric addition
|
|
infix("-"); // numeric subtraction
|
|
infix("*"); // numeric multiplication
|
|
infix("/"); // numeric division
|
|
infix("%"); // numeric modulus
|
|
infix("="); // equality
|
|
infix("<"); // less than
|
|
infix(">"); // greater than
|
|
infix("!="); // not equal to
|
|
infix("<="); // less than or equal
|
|
infix(">="); // greater than or equal
|
|
infix("&"); // string concatenation
|
|
infix("and"); // Boolean AND
|
|
infix("or"); // Boolean OR
|
|
infix("in"); // is member of array
|
|
infixr(":="); // bind variable
|
|
prefix("-"); // unary numeric negation
|
|
prefix('*', function () {
|
|
this.type = "wildcard";
|
|
return this;
|
|
});
|
|
prefix('**', function () {
|
|
this.type = "descendant";
|
|
return this;
|
|
});
|
|
infix("(", operators['('], function (left) {
|
|
this.procedure = left;
|
|
this.type = 'function';
|
|
this.arguments = [];
|
|
if (node.id !== ')') {
|
|
for (;;) {
|
|
if (node.type === 'operator' && node.id === '?') {
|
|
this.type = 'partial';
|
|
this.arguments.push(node);
|
|
advance('?');
|
|
} else {
|
|
this.arguments.push(expression(0));
|
|
}
|
|
if (node.id !== ',') break;
|
|
advance(',');
|
|
}
|
|
}
|
|
advance(")");
|
|
if (left.type === 'name' && (left.value === 'function' || left.value === '\u03BB')) {
|
|
this.arguments.forEach(function (arg, index) {
|
|
if (arg.type !== 'variable') {
|
|
throw {
|
|
message: 'Parameter ' + (index + 1) + ' of function definition must be a variable name (start with $)',
|
|
stack: (new Error()).stack,
|
|
position: arg.position,
|
|
token: arg.value
|
|
};
|
|
}
|
|
});
|
|
this.type = 'lambda';
|
|
advance('{');
|
|
this.body = expression(0);
|
|
advance('}');
|
|
}
|
|
return this;
|
|
});
|
|
prefix("(", function () {
|
|
var expressions = [];
|
|
while (node.id !== ")") {
|
|
expressions.push(expression(0));
|
|
if (node.id !== ";") {
|
|
break;
|
|
}
|
|
advance(";");
|
|
}
|
|
advance(")");
|
|
this.type = 'block';
|
|
this.expressions = expressions;
|
|
return this;
|
|
});
|
|
prefix("{", function () {
|
|
var a = [];
|
|
if (node.id !== "}") {
|
|
for (;;) {
|
|
var n = expression(0);
|
|
advance(":");
|
|
var v = expression(0);
|
|
a.push([n, v]); // holds an array of name/value expression pairs
|
|
if (node.id !== ",") {
|
|
break;
|
|
}
|
|
advance(",");
|
|
}
|
|
}
|
|
advance("}");
|
|
this.lhs = a;
|
|
this.type = "unary";
|
|
return this;
|
|
});
|
|
prefix("[", function () {
|
|
var a = [];
|
|
if (node.id !== "]") {
|
|
for (;;) {
|
|
var item = expression(0);
|
|
if (node.id === "..") {
|
|
var range = {type: "binary", value: "..", position: node.position, lhs: item};
|
|
advance("..");
|
|
range.rhs = expression(0);
|
|
item = range;
|
|
}
|
|
a.push(item);
|
|
if (node.id !== ",") {
|
|
break;
|
|
}
|
|
advance(",");
|
|
}
|
|
}
|
|
advance("]");
|
|
this.lhs = a;
|
|
this.type = "unary";
|
|
return this;
|
|
});
|
|
infix("[", operators['['], function (left) {
|
|
this.lhs = left;
|
|
this.rhs = expression(operators[']']);
|
|
this.type = 'binary';
|
|
advance("]");
|
|
return this;
|
|
});
|
|
infix("{", operators['{'], function (left) {
|
|
this.lhs = left;
|
|
this.rhs = expression(operators['}']);
|
|
this.type = 'binary';
|
|
advance("}");
|
|
return this;
|
|
});
|
|
infix("?", operators['?'], function (left) {
|
|
this.type = 'condition';
|
|
this.condition = left;
|
|
this.then = expression(0);
|
|
if (node.id === ':') {
|
|
advance(":");
|
|
this.else = expression(0);
|
|
}
|
|
return this;
|
|
});
|
|
var tail_call_optimize = function(expr) {
|
|
var result;
|
|
if(expr.type === 'function') {
|
|
var thunk = {type: 'lambda', thunk: true, arguments: [], position: expr.position};
|
|
thunk.body = expr;
|
|
result = thunk;
|
|
} else if(expr.type === 'condition') {
|
|
expr.then = tail_call_optimize(expr.then);
|
|
expr.else = tail_call_optimize(expr.else);
|
|
result = expr;
|
|
} else if(expr.type === 'block') {
|
|
var length = expr.expressions.length;
|
|
if(length > 0) {
|
|
expr.expressions[length - 1] = tail_call_optimize(expr.expressions[length - 1]);
|
|
}
|
|
result = expr;
|
|
} else {
|
|
result = expr;
|
|
}
|
|
return result;
|
|
};
|
|
var post_parse = function (expr) {
|
|
var result = [];
|
|
switch (expr.type) {
|
|
case 'binary':
|
|
switch (expr.value) {
|
|
case '.':
|
|
var step = post_parse(expr.lhs);
|
|
if (Array.isArray(step)) {
|
|
Array.prototype.push.apply(result, step);
|
|
} else {
|
|
result.push(step);
|
|
}
|
|
var rest = [post_parse(expr.rhs)];
|
|
Array.prototype.push.apply(result, rest);
|
|
result.type = 'path';
|
|
break;
|
|
case '[':
|
|
result = post_parse(expr.lhs);
|
|
if (typeof result.aggregate !== 'undefined') {
|
|
throw {
|
|
message: 'A predicate cannot follow an aggregate in a step. Error at column: ' + expr.position,
|
|
stack: (new Error()).stack,
|
|
position: expr.position
|
|
};
|
|
}
|
|
if (typeof result.predicate === 'undefined') {
|
|
result.predicate = [];
|
|
}
|
|
result.predicate.push(post_parse(expr.rhs));
|
|
break;
|
|
case '{':
|
|
result = post_parse(expr.lhs);
|
|
if (typeof result.aggregate !== 'undefined') {
|
|
throw {
|
|
message: 'Each step can only have one aggregator. Error at column: ' + expr.position,
|
|
stack: (new Error()).stack,
|
|
position: expr.position
|
|
};
|
|
}
|
|
result.aggregate = post_parse(expr.rhs);
|
|
break;
|
|
default:
|
|
result = {type: expr.type, value: expr.value, position: expr.position};
|
|
result.lhs = post_parse(expr.lhs);
|
|
result.rhs = post_parse(expr.rhs);
|
|
}
|
|
break;
|
|
case 'unary':
|
|
result = {type: expr.type, value: expr.value, position: expr.position};
|
|
if (expr.value === '[') {
|
|
result.lhs = expr.lhs.map(function (item) {
|
|
return post_parse(item);
|
|
});
|
|
} else if (expr.value === '{') {
|
|
result.lhs = expr.lhs.map(function (pair) {
|
|
return [post_parse(pair[0]), post_parse(pair[1])];
|
|
});
|
|
} else {
|
|
result.expression = post_parse(expr.expression);
|
|
if (expr.value === '-' && result.expression.type === 'literal' && isNumeric(result.expression.value)) {
|
|
result = result.expression;
|
|
result.value = -result.value;
|
|
}
|
|
}
|
|
break;
|
|
case 'function':
|
|
case 'partial':
|
|
result = {type: expr.type, name: expr.name, value: expr.value, position: expr.position};
|
|
result.arguments = expr.arguments.map(function (arg) {
|
|
return post_parse(arg);
|
|
});
|
|
result.procedure = post_parse(expr.procedure);
|
|
break;
|
|
case 'lambda':
|
|
result = {type: expr.type, arguments: expr.arguments, position: expr.position};
|
|
var body = post_parse(expr.body);
|
|
result.body = tail_call_optimize(body);
|
|
break;
|
|
case 'condition':
|
|
result = {type: expr.type, position: expr.position};
|
|
result.condition = post_parse(expr.condition);
|
|
result.then = post_parse(expr.then);
|
|
if (typeof expr.else !== 'undefined') {
|
|
result.else = post_parse(expr.else);
|
|
}
|
|
break;
|
|
case 'block':
|
|
result = {type: expr.type, position: expr.position};
|
|
result.expressions = expr.expressions.map(function (item) {
|
|
return post_parse(item);
|
|
});
|
|
break;
|
|
case 'name':
|
|
case 'literal':
|
|
case 'wildcard':
|
|
case 'descendant':
|
|
case 'variable':
|
|
result = expr;
|
|
break;
|
|
case 'operator':
|
|
if (expr.value === 'and' || expr.value === 'or' || expr.value === 'in') {
|
|
expr.type = 'name';
|
|
result = post_parse(expr);
|
|
} else if (expr.value === '?') {
|
|
result = expr;
|
|
} else {
|
|
throw {
|
|
message: "Syntax error: " + expr.value + " at column " + expr.position,
|
|
stack: (new Error()).stack,
|
|
position: expr.position,
|
|
token: expr.value
|
|
};
|
|
}
|
|
break;
|
|
default:
|
|
var reason = "Unknown expression type: " + expr.value + " at column " + expr.position;
|
|
if (expr.id === '(end)') {
|
|
reason = "Syntax error: unexpected end of expression";
|
|
}
|
|
throw {
|
|
message: reason,
|
|
stack: (new Error()).stack,
|
|
position: expr.position,
|
|
token: expr.value
|
|
};
|
|
}
|
|
return result;
|
|
};
|
|
|
|
lexer = tokenizer(source);
|
|
advance();
|
|
var expr = expression(0);
|
|
if (node.id !== '(end)') {
|
|
throw {
|
|
message: "Syntax error: " + node.value + " at column " + node.position,
|
|
stack: (new Error()).stack,
|
|
position: node.position,
|
|
token: node.value
|
|
};
|
|
}
|
|
expr = post_parse(expr);
|
|
if (expr.type === 'name') {
|
|
expr = [expr];
|
|
expr.type = 'path';
|
|
}
|
|
|
|
return expr;
|
|
};
|
|
function isNumeric(n) {
|
|
var isNum = false;
|
|
if(typeof n === 'number') {
|
|
var num = parseFloat(n);
|
|
isNum = !isNaN(num);
|
|
if (isNum && !isFinite(num)) {
|
|
throw {
|
|
message: "Number out of range",
|
|
value: n,
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
}
|
|
return isNum;
|
|
}
|
|
function isArrayOfNumbers(arg) {
|
|
var result = false;
|
|
if(Array.isArray(arg)) {
|
|
result = (arg.filter(function(item){return !isNumeric(item);}).length == 0);
|
|
}
|
|
return result;
|
|
}
|
|
Number.isInteger = Number.isInteger || function(value) {
|
|
return typeof value === "number" &&
|
|
isFinite(value) &&
|
|
Math.floor(value) === value;
|
|
};
|
|
function evaluate(expr, input, environment) {
|
|
var result;
|
|
|
|
var entryCallback = environment.lookup('__evaluate_entry');
|
|
if(entryCallback) {
|
|
entryCallback(expr, input, environment);
|
|
}
|
|
|
|
switch (expr.type) {
|
|
case 'path':
|
|
result = evaluatePath(expr, input, environment);
|
|
break;
|
|
case 'binary':
|
|
result = evaluateBinary(expr, input, environment);
|
|
break;
|
|
case 'unary':
|
|
result = evaluateUnary(expr, input, environment);
|
|
break;
|
|
case 'name':
|
|
result = evaluateName(expr, input, environment);
|
|
break;
|
|
case 'literal':
|
|
result = evaluateLiteral(expr, input, environment);
|
|
break;
|
|
case 'wildcard':
|
|
result = evaluateWildcard(expr, input, environment);
|
|
break;
|
|
case 'descendant':
|
|
result = evaluateDescendants(expr, input, environment);
|
|
break;
|
|
case 'condition':
|
|
result = evaluateCondition(expr, input, environment);
|
|
break;
|
|
case 'block':
|
|
result = evaluateBlock(expr, input, environment);
|
|
break;
|
|
case 'function':
|
|
result = evaluateFunction(expr, input, environment);
|
|
break;
|
|
case 'variable':
|
|
result = evaluateVariable(expr, input, environment);
|
|
break;
|
|
case 'lambda':
|
|
result = evaluateLambda(expr, input, environment);
|
|
break;
|
|
case 'partial':
|
|
result = evaluatePartialApplication(expr, input, environment);
|
|
break;
|
|
}
|
|
if (expr.hasOwnProperty('predicate')) {
|
|
result = applyPredicates(expr.predicate, result, environment);
|
|
}
|
|
if (expr.hasOwnProperty('aggregate')) {
|
|
result = applyAggregate(expr.aggregate, result, environment);
|
|
}
|
|
|
|
var exitCallback = environment.lookup('__evaluate_exit');
|
|
if(exitCallback) {
|
|
exitCallback(expr, input, environment, result);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
function evaluatePath(expr, input, environment) {
|
|
var result;
|
|
var inputSequence;
|
|
if (expr[0].type === 'variable') {
|
|
expr[0].absolute = true;
|
|
} else if(expr[0].type === 'unary' && expr[0].value === '[') {
|
|
input = [null];// dummy singleton sequence for first step
|
|
}
|
|
expr.forEach(function (step) {
|
|
var resultSequence = [];
|
|
result = undefined;
|
|
if (step.absolute === true) {
|
|
inputSequence = [input]; // dummy singleton sequence for first (absolute) step
|
|
} else if (Array.isArray(input)) {
|
|
inputSequence = input;
|
|
} else {
|
|
inputSequence = [input];
|
|
}
|
|
if (expr.length > 1 && step.type === 'literal') {
|
|
step.type = 'name';
|
|
}
|
|
if (step.value === '{') {
|
|
if(typeof input !== 'undefined') {
|
|
result = evaluateGroupExpression(step, inputSequence, environment);
|
|
}
|
|
} else {
|
|
inputSequence.forEach(function (item) {
|
|
var res = evaluate(step, item, environment);
|
|
if (typeof res !== 'undefined') {
|
|
if (Array.isArray(res)) {
|
|
res.forEach(function (innerRes) {
|
|
if (typeof innerRes !== 'undefined') {
|
|
resultSequence.push(innerRes);
|
|
}
|
|
});
|
|
} else {
|
|
resultSequence.push(res);
|
|
}
|
|
}
|
|
});
|
|
if (resultSequence.length == 1) {
|
|
result = resultSequence[0];
|
|
} else if (resultSequence.length > 1) {
|
|
result = resultSequence;
|
|
}
|
|
}
|
|
|
|
input = result;
|
|
});
|
|
return result;
|
|
}
|
|
function applyPredicates(predicates, input, environment) {
|
|
var result;
|
|
var inputSequence = input;
|
|
|
|
var results = [];
|
|
predicates.forEach(function (predicate) {
|
|
if (!Array.isArray(inputSequence)) {
|
|
inputSequence = [inputSequence];
|
|
}
|
|
results = [];
|
|
result = undefined;
|
|
if (predicate.type === 'literal' && isNumeric(predicate.value)) {
|
|
var index = predicate.value;
|
|
if (!Number.isInteger(index)) {
|
|
index = Math.floor(index);
|
|
}
|
|
if (index < 0) {
|
|
index = inputSequence.length + index;
|
|
}
|
|
result = inputSequence[index];
|
|
} else {
|
|
inputSequence.forEach(function (item, index) {
|
|
var res = evaluate(predicate, item, environment);
|
|
if (isNumeric(res)) {
|
|
res = [res];
|
|
}
|
|
if(isArrayOfNumbers(res)) {
|
|
res.forEach(function(ires) {
|
|
if (!Number.isInteger(ires)) {
|
|
ires = Math.floor(ires);
|
|
}
|
|
if (ires < 0) {
|
|
ires = inputSequence.length + ires;
|
|
}
|
|
if (ires == index) {
|
|
results.push(item);
|
|
}
|
|
});
|
|
} else if (functionBoolean(res)) { // truthy
|
|
results.push(item);
|
|
}
|
|
});
|
|
}
|
|
if (results.length == 1) {
|
|
result = results[0];
|
|
} else if (results.length > 1) {
|
|
result = results;
|
|
}
|
|
inputSequence = result;
|
|
});
|
|
return result;
|
|
}
|
|
function applyAggregate(expr, input, environment) {
|
|
var result = {};
|
|
if (Array.isArray(input)) {
|
|
var aggEnv = createFrame(environment);
|
|
aggEnv.bind('_', input[0]);
|
|
for (var index = 1; index < input.length; index++) {
|
|
var reduce = evaluate(expr, input[index], aggEnv);
|
|
aggEnv.bind('_', reduce);
|
|
}
|
|
result = aggEnv.lookup('_');
|
|
} else {
|
|
result = input;
|
|
}
|
|
return result;
|
|
}
|
|
function evaluateBinary(expr, input, environment) {
|
|
var result;
|
|
|
|
switch (expr.value) {
|
|
case '+':
|
|
case '-':
|
|
case '*':
|
|
case '/':
|
|
case '%':
|
|
result = evaluateNumericExpression(expr, input, environment);
|
|
break;
|
|
case '=':
|
|
case '!=':
|
|
case '<':
|
|
case '<=':
|
|
case '>':
|
|
case '>=':
|
|
result = evaluateComparisonExpression(expr, input, environment);
|
|
break;
|
|
case '&':
|
|
result = evaluateStringConcat(expr, input, environment);
|
|
break;
|
|
case 'and':
|
|
case 'or':
|
|
result = evaluateBooleanExpression(expr, input, environment);
|
|
break;
|
|
case '..':
|
|
result = evaluateRangeExpression(expr, input, environment);
|
|
break;
|
|
case ':=':
|
|
result = evaluateBindExpression(expr, input, environment);
|
|
break;
|
|
case 'in':
|
|
result = evaluateIncludesExpression(expr, input, environment);
|
|
break;
|
|
}
|
|
return result;
|
|
}
|
|
function evaluateUnary(expr, input, environment) {
|
|
var result;
|
|
|
|
switch (expr.value) {
|
|
case '-':
|
|
result = evaluate(expr.expression, input, environment);
|
|
if (isNumeric(result)) {
|
|
result = -result;
|
|
} else {
|
|
throw {
|
|
message: "Cannot negate a non-numeric value: " + result + " at column " + expr.position,
|
|
stack: (new Error()).stack,
|
|
position: expr.position,
|
|
token: expr.value,
|
|
value: result
|
|
};
|
|
}
|
|
break;
|
|
case '[':
|
|
result = [];
|
|
expr.lhs.forEach(function (item) {
|
|
var value = evaluate(item, input, environment);
|
|
if (typeof value !== 'undefined') {
|
|
if (item.value === '..') {
|
|
result = functionAppend(result, value);
|
|
} else {
|
|
result.push(value);
|
|
}
|
|
}
|
|
});
|
|
break;
|
|
case '{':
|
|
result = evaluateGroupExpression(expr, input, environment);
|
|
break;
|
|
|
|
}
|
|
return result;
|
|
}
|
|
function evaluateName(expr, input, environment) {
|
|
var result;
|
|
if (Array.isArray(input)) {
|
|
var results = [];
|
|
input.forEach(function (item) {
|
|
var res = evaluateName(expr, item, environment);
|
|
if (typeof res !== 'undefined') {
|
|
results.push(res);
|
|
}
|
|
});
|
|
if (results.length == 1) {
|
|
result = results[0];
|
|
} else if (results.length > 1) {
|
|
result = results;
|
|
}
|
|
} else if (input !== null && typeof input === 'object') {
|
|
result = input[expr.value];
|
|
}
|
|
return result;
|
|
}
|
|
function evaluateLiteral(expr) {
|
|
return expr.value;
|
|
}
|
|
function evaluateWildcard(expr, input) {
|
|
var result;
|
|
var results = [];
|
|
if (input !== null && typeof input === 'object') {
|
|
Object.keys(input).forEach(function (key) {
|
|
var value = input[key];
|
|
if(Array.isArray(value)) {
|
|
value = flatten(value);
|
|
results = functionAppend(results, value);
|
|
} else {
|
|
results.push(value);
|
|
}
|
|
});
|
|
}
|
|
|
|
if (results.length == 1) {
|
|
result = results[0];
|
|
} else if (results.length > 1) {
|
|
result = results;
|
|
}
|
|
return result;
|
|
}
|
|
function flatten(arg, flattened) {
|
|
if(typeof flattened === 'undefined') {
|
|
flattened = [];
|
|
}
|
|
if(Array.isArray(arg)) {
|
|
arg.forEach(function (item) {
|
|
flatten(item, flattened);
|
|
});
|
|
} else {
|
|
flattened.push(arg);
|
|
}
|
|
return flattened;
|
|
}
|
|
function evaluateDescendants(expr, input) {
|
|
var result;
|
|
var resultSequence = [];
|
|
if (typeof input !== 'undefined') {
|
|
recurseDescendants(input, resultSequence);
|
|
if (resultSequence.length == 1) {
|
|
result = resultSequence[0];
|
|
} else {
|
|
result = resultSequence;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
function recurseDescendants(input, results) {
|
|
if (!Array.isArray(input)) {
|
|
results.push(input);
|
|
}
|
|
if (Array.isArray(input)) {
|
|
input.forEach(function (member) {
|
|
recurseDescendants(member, results);
|
|
});
|
|
} else if (input !== null && typeof input === 'object') {
|
|
Object.keys(input).forEach(function (key) {
|
|
recurseDescendants(input[key], results);
|
|
});
|
|
}
|
|
}
|
|
function evaluateNumericExpression(expr, input, environment) {
|
|
var result;
|
|
|
|
var lhs = evaluate(expr.lhs, input, environment);
|
|
var rhs = evaluate(expr.rhs, input, environment);
|
|
|
|
if (typeof lhs === 'undefined' || typeof rhs === 'undefined') {
|
|
return result;
|
|
}
|
|
|
|
if (!isNumeric(lhs)) {
|
|
throw {
|
|
message: 'LHS of ' + expr.value + ' operator must evaluate to a number at column ' + expr.position,
|
|
stack: (new Error()).stack,
|
|
position: expr.position,
|
|
token: expr.value,
|
|
value: lhs
|
|
};
|
|
}
|
|
if (!isNumeric(rhs)) {
|
|
throw {
|
|
message: 'RHS of ' + expr.value + ' operator must evaluate to a number at column ' + expr.position,
|
|
stack: (new Error()).stack,
|
|
position: expr.position,
|
|
token: expr.value,
|
|
value: rhs
|
|
};
|
|
}
|
|
|
|
switch (expr.value) {
|
|
case '+':
|
|
result = lhs + rhs;
|
|
break;
|
|
case '-':
|
|
result = lhs - rhs;
|
|
break;
|
|
case '*':
|
|
result = lhs * rhs;
|
|
break;
|
|
case '/':
|
|
result = lhs / rhs;
|
|
break;
|
|
case '%':
|
|
result = lhs % rhs;
|
|
break;
|
|
}
|
|
return result;
|
|
}
|
|
function evaluateComparisonExpression(expr, input, environment) {
|
|
var result;
|
|
|
|
var lhs = evaluate(expr.lhs, input, environment);
|
|
var rhs = evaluate(expr.rhs, input, environment);
|
|
|
|
if (typeof lhs === 'undefined' || typeof rhs === 'undefined') {
|
|
return false;
|
|
}
|
|
|
|
switch (expr.value) {
|
|
case '=':
|
|
result = lhs == rhs;
|
|
break;
|
|
case '!=':
|
|
result = (lhs != rhs);
|
|
break;
|
|
case '<':
|
|
result = lhs < rhs;
|
|
break;
|
|
case '<=':
|
|
result = lhs <= rhs;
|
|
break;
|
|
case '>':
|
|
result = lhs > rhs;
|
|
break;
|
|
case '>=':
|
|
result = lhs >= rhs;
|
|
break;
|
|
}
|
|
return result;
|
|
}
|
|
function evaluateIncludesExpression(expr, input, environment) {
|
|
var result = false;
|
|
|
|
var lhs = evaluate(expr.lhs, input, environment);
|
|
var rhs = evaluate(expr.rhs, input, environment);
|
|
|
|
if (typeof lhs === 'undefined' || typeof rhs === 'undefined') {
|
|
return false;
|
|
}
|
|
|
|
if(!Array.isArray(rhs)) {
|
|
rhs = [rhs];
|
|
}
|
|
|
|
for(var i = 0; i < rhs.length; i++) {
|
|
if(rhs[i] === lhs) {
|
|
result = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
function evaluateBooleanExpression(expr, input, environment) {
|
|
var result;
|
|
|
|
switch (expr.value) {
|
|
case 'and':
|
|
result = functionBoolean(evaluate(expr.lhs, input, environment)) &&
|
|
functionBoolean(evaluate(expr.rhs, input, environment));
|
|
break;
|
|
case 'or':
|
|
result = functionBoolean(evaluate(expr.lhs, input, environment)) ||
|
|
functionBoolean(evaluate(expr.rhs, input, environment));
|
|
break;
|
|
}
|
|
return result;
|
|
}
|
|
function evaluateStringConcat(expr, input, environment) {
|
|
var result;
|
|
var lhs = evaluate(expr.lhs, input, environment);
|
|
var rhs = evaluate(expr.rhs, input, environment);
|
|
|
|
var lstr = '';
|
|
var rstr = '';
|
|
if (typeof lhs !== 'undefined') {
|
|
lstr = functionString(lhs);
|
|
}
|
|
if (typeof rhs !== 'undefined') {
|
|
rstr = functionString(rhs);
|
|
}
|
|
|
|
result = lstr.concat(rstr);
|
|
return result;
|
|
}
|
|
function evaluateGroupExpression(expr, input, environment) {
|
|
var result = {};
|
|
var groups = {};
|
|
if (!Array.isArray(input)) {
|
|
input = [input];
|
|
}
|
|
input.forEach(function (item) {
|
|
expr.lhs.forEach(function (pair) {
|
|
var key = evaluate(pair[0], item, environment);
|
|
if (typeof key !== 'string') {
|
|
throw {
|
|
message: 'Key in object structure must evaluate to a string. Got: ' + key + ' at column ' + expr.position,
|
|
stack: (new Error()).stack,
|
|
position: expr.position,
|
|
value: key
|
|
};
|
|
}
|
|
var entry = {data: item, expr: pair[1]};
|
|
if (groups.hasOwnProperty(key)) {
|
|
groups[key].data = functionAppend(groups[key].data, item);
|
|
} else {
|
|
groups[key] = entry;
|
|
}
|
|
});
|
|
});
|
|
for (var key in groups) {
|
|
var entry = groups[key];
|
|
var value = evaluate(entry.expr, entry.data, environment);
|
|
result[key] = value;
|
|
}
|
|
return result;
|
|
}
|
|
function evaluateRangeExpression(expr, input, environment) {
|
|
var result;
|
|
|
|
var lhs = evaluate(expr.lhs, input, environment);
|
|
var rhs = evaluate(expr.rhs, input, environment);
|
|
|
|
if (typeof lhs === 'undefined' || typeof rhs === 'undefined') {
|
|
return result;
|
|
}
|
|
|
|
if (lhs > rhs) {
|
|
return result;
|
|
}
|
|
|
|
if (!Number.isInteger(lhs)) {
|
|
throw {
|
|
message: 'LHS of range operator (..) must evaluate to an integer at column ' + expr.position,
|
|
stack: (new Error()).stack,
|
|
position: expr.position,
|
|
token: expr.value,
|
|
value: lhs
|
|
};
|
|
}
|
|
if (!Number.isInteger(rhs)) {
|
|
throw {
|
|
message: 'RHS of range operator (..) must evaluate to an integer at column ' + expr.position,
|
|
stack: (new Error()).stack,
|
|
position: expr.position,
|
|
token: expr.value,
|
|
value: rhs
|
|
};
|
|
}
|
|
|
|
result = new Array(rhs - lhs + 1);
|
|
for (var item = lhs, index = 0; item <= rhs; item++, index++) {
|
|
result[index] = item;
|
|
}
|
|
return result;
|
|
}
|
|
function evaluateBindExpression(expr, input, environment) {
|
|
var value = evaluate(expr.rhs, input, environment);
|
|
if (expr.lhs.type !== 'variable') {
|
|
throw {
|
|
message: "Left hand side of := must be a variable name (start with $) at column " + expr.position,
|
|
stack: (new Error()).stack,
|
|
position: expr.position,
|
|
token: expr.value,
|
|
value: expr.lhs.value
|
|
};
|
|
}
|
|
environment.bind(expr.lhs.value, value);
|
|
return value;
|
|
}
|
|
function evaluateCondition(expr, input, environment) {
|
|
var result;
|
|
var condition = evaluate(expr.condition, input, environment);
|
|
if (functionBoolean(condition)) {
|
|
result = evaluate(expr.then, input, environment);
|
|
} else if (typeof expr.else !== 'undefined') {
|
|
result = evaluate(expr.else, input, environment);
|
|
}
|
|
return result;
|
|
}
|
|
function evaluateBlock(expr, input, environment) {
|
|
var result;
|
|
var frame = createFrame(environment);
|
|
expr.expressions.forEach(function (expression) {
|
|
result = evaluate(expression, input, frame);
|
|
});
|
|
|
|
return result;
|
|
}
|
|
function evaluateVariable(expr, input, environment) {
|
|
var result;
|
|
if (expr.value === '') {
|
|
result = input;
|
|
} else {
|
|
result = environment.lookup(expr.value);
|
|
}
|
|
return result;
|
|
}
|
|
function evaluateFunction(expr, input, environment) {
|
|
var result;
|
|
var evaluatedArgs = [];
|
|
expr.arguments.forEach(function (arg) {
|
|
evaluatedArgs.push(evaluate(arg, input, environment));
|
|
});
|
|
var proc = evaluate(expr.procedure, input, environment);
|
|
|
|
if (typeof proc === 'undefined' && expr.procedure.type === 'name' && environment.lookup(expr.procedure.value)) {
|
|
throw {
|
|
message: 'Attempted to invoke a non-function at column ' + expr.position + '. Did you mean \'$' + expr.procedure.value + '\'?',
|
|
stack: (new Error()).stack,
|
|
position: expr.position,
|
|
token: expr.procedure.value
|
|
};
|
|
}
|
|
try {
|
|
result = apply(proc, evaluatedArgs, environment, input);
|
|
while(typeof result === 'object' && result.lambda == true && result.thunk == true) {
|
|
var next = evaluate(result.body.procedure, result.input, result.environment);
|
|
evaluatedArgs = [];
|
|
result.body.arguments.forEach(function (arg) {
|
|
evaluatedArgs.push(evaluate(arg, result.input, result.environment));
|
|
});
|
|
|
|
result = apply(next, evaluatedArgs);
|
|
}
|
|
} catch (err) {
|
|
err.position = expr.position;
|
|
err.token = expr.procedure.value;
|
|
throw err;
|
|
}
|
|
return result;
|
|
}
|
|
function apply(proc, args, environment, self) {
|
|
var result;
|
|
if (proc && proc.lambda) {
|
|
result = applyProcedure(proc, args);
|
|
} else if (typeof proc === 'function') {
|
|
result = proc.apply(self, args);
|
|
} else {
|
|
throw {
|
|
message: 'Attempted to invoke a non-function',
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
return result;
|
|
}
|
|
function evaluateLambda(expr, input, environment) {
|
|
var procedure = {
|
|
lambda: true,
|
|
input: input,
|
|
environment: environment,
|
|
arguments: expr.arguments,
|
|
body: expr.body
|
|
};
|
|
if(expr.thunk == true) {
|
|
procedure.thunk = true;
|
|
}
|
|
return procedure;
|
|
}
|
|
function evaluatePartialApplication(expr, input, environment) {
|
|
var result;
|
|
var evaluatedArgs = [];
|
|
expr.arguments.forEach(function (arg) {
|
|
if (arg.type === 'operator' && arg.value === '?') {
|
|
evaluatedArgs.push(arg);
|
|
} else {
|
|
evaluatedArgs.push(evaluate(arg, input, environment));
|
|
}
|
|
});
|
|
var proc = evaluate(expr.procedure, input, environment);
|
|
if (typeof proc === 'undefined' && expr.procedure.type === 'name' && environment.lookup(expr.procedure.value)) {
|
|
throw {
|
|
message: 'Attempted to partially apply a non-function at column ' + expr.position + '. Did you mean \'$' + expr.procedure.value + '\'?',
|
|
stack: (new Error()).stack,
|
|
position: expr.position,
|
|
token: expr.procedure.value
|
|
};
|
|
}
|
|
if (proc && proc.lambda) {
|
|
result = partialApplyProcedure(proc, evaluatedArgs);
|
|
} else if (typeof proc === 'function') {
|
|
result = partialApplyNativeFunction(proc, evaluatedArgs);
|
|
} else {
|
|
throw {
|
|
message: 'Attempted to partially apply a non-function at column ' + expr.position,
|
|
stack: (new Error()).stack,
|
|
position: expr.position,
|
|
token: expr.procedure.value
|
|
};
|
|
}
|
|
return result;
|
|
}
|
|
function applyProcedure(proc, args) {
|
|
var result;
|
|
var env = createFrame(proc.environment);
|
|
proc.arguments.forEach(function (param, index) {
|
|
env.bind(param.value, args[index]);
|
|
});
|
|
if (typeof proc.body === 'function') {
|
|
result = applyNativeFunction(proc.body, env);
|
|
} else {
|
|
result = evaluate(proc.body, proc.input, env);
|
|
}
|
|
return result;
|
|
}
|
|
function partialApplyProcedure(proc, args) {
|
|
var env = createFrame(proc.environment);
|
|
var unboundArgs = [];
|
|
proc.arguments.forEach(function (param, index) {
|
|
var arg = args[index];
|
|
if (arg && arg.type === 'operator' && arg.value === '?') {
|
|
unboundArgs.push(param);
|
|
} else {
|
|
env.bind(param.value, arg);
|
|
}
|
|
});
|
|
var procedure = {
|
|
lambda: true,
|
|
input: proc.input,
|
|
environment: env,
|
|
arguments: unboundArgs,
|
|
body: proc.body
|
|
};
|
|
return procedure;
|
|
}
|
|
function partialApplyNativeFunction(native, args) {
|
|
var sigArgs = getNativeFunctionArguments(native);
|
|
sigArgs = sigArgs.map(function (sigArg) {
|
|
return '$' + sigArg.trim();
|
|
});
|
|
var body = 'function(' + sigArgs.join(', ') + '){ _ }';
|
|
|
|
var bodyAST = parser(body);
|
|
bodyAST.body = native;
|
|
|
|
var partial = partialApplyProcedure(bodyAST, args);
|
|
return partial;
|
|
}
|
|
function applyNativeFunction(proc, env) {
|
|
var sigArgs = getNativeFunctionArguments(proc);
|
|
var args = sigArgs.map(function (sigArg) {
|
|
return env.lookup(sigArg.trim());
|
|
});
|
|
|
|
var result = proc.apply(null, args);
|
|
return result;
|
|
}
|
|
function getNativeFunctionArguments(func) {
|
|
var signature = func.toString();
|
|
var sigParens = /\(([^\)]*)\)/.exec(signature)[1]; // the contents of the parens
|
|
var sigArgs = sigParens.split(',');
|
|
return sigArgs;
|
|
}
|
|
function isLambda(arg) {
|
|
var result = false;
|
|
if(arg && typeof arg === 'object' &&
|
|
arg.lambda === true &&
|
|
arg.hasOwnProperty('input') &&
|
|
arg.hasOwnProperty('arguments') &&
|
|
arg.hasOwnProperty('environment') &&
|
|
arg.hasOwnProperty('body')) {
|
|
result = true;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
function functionSum(args) {
|
|
var total = 0;
|
|
|
|
if (arguments.length != 1) {
|
|
throw {
|
|
message: 'The sum function expects one argument',
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
if(typeof args === 'undefined') {
|
|
return undefined;
|
|
}
|
|
|
|
if(!Array.isArray(args)) {
|
|
args = [args];
|
|
}
|
|
var nonNumerics = args.filter(function(val) {return (typeof val !== 'number');});
|
|
if(nonNumerics.length > 0) {
|
|
throw {
|
|
message: 'Type error: argument of sum function must be an array of numbers',
|
|
stack: (new Error()).stack,
|
|
value: nonNumerics
|
|
};
|
|
}
|
|
args.forEach(function(num){total += num;});
|
|
return total;
|
|
}
|
|
function functionCount(args) {
|
|
if (arguments.length != 1) {
|
|
throw {
|
|
message: 'The count function expects one argument',
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
if(typeof args === 'undefined') {
|
|
return 0;
|
|
}
|
|
|
|
if(!Array.isArray(args)) {
|
|
args = [args];
|
|
}
|
|
|
|
return args.length;
|
|
}
|
|
function functionMax(args) {
|
|
var max;
|
|
|
|
if (arguments.length != 1) {
|
|
throw {
|
|
message: 'The max function expects one argument',
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
if(typeof args === 'undefined') {
|
|
return undefined;
|
|
}
|
|
|
|
if(!Array.isArray(args)) {
|
|
args = [args];
|
|
}
|
|
var nonNumerics = args.filter(function(val) {return (typeof val !== 'number');});
|
|
if(nonNumerics.length > 0) {
|
|
throw {
|
|
message: 'Type error: argument of max function must be an array of numbers',
|
|
stack: (new Error()).stack,
|
|
value: nonNumerics
|
|
};
|
|
}
|
|
max = Math.max.apply(Math, args);
|
|
return max;
|
|
}
|
|
function functionMin(args) {
|
|
var min;
|
|
|
|
if (arguments.length != 1) {
|
|
throw {
|
|
message: 'The min function expects one argument',
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
if(typeof args === 'undefined') {
|
|
return undefined;
|
|
}
|
|
|
|
if(!Array.isArray(args)) {
|
|
args = [args];
|
|
}
|
|
var nonNumerics = args.filter(function(val) {return (typeof val !== 'number');});
|
|
if(nonNumerics.length > 0) {
|
|
throw {
|
|
message: 'Type error: argument of min function must be an array of numbers',
|
|
stack: (new Error()).stack,
|
|
value: nonNumerics
|
|
};
|
|
}
|
|
min = Math.min.apply(Math, args);
|
|
return min;
|
|
}
|
|
function functionAverage(args) {
|
|
var total = 0;
|
|
|
|
if (arguments.length != 1) {
|
|
throw {
|
|
message: 'The average function expects one argument',
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
if(typeof args === 'undefined') {
|
|
return undefined;
|
|
}
|
|
|
|
if(!Array.isArray(args)) {
|
|
args = [args];
|
|
}
|
|
var nonNumerics = args.filter(function(val) {return (typeof val !== 'number');});
|
|
if(nonNumerics.length > 0) {
|
|
throw {
|
|
message: 'Type error: argument of average function must be an array of numbers',
|
|
stack: (new Error()).stack,
|
|
value: nonNumerics
|
|
};
|
|
}
|
|
args.forEach(function(num){total += num;});
|
|
return total/args.length;
|
|
}
|
|
function functionString(arg) {
|
|
var str;
|
|
|
|
if(arguments.length != 1) {
|
|
throw {
|
|
message: 'The string function expects one argument',
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
if(typeof arg === 'undefined') {
|
|
return undefined;
|
|
}
|
|
|
|
if (typeof arg === 'string') {
|
|
str = arg;
|
|
} else if(typeof arg === 'function' || isLambda(arg)) {
|
|
str = '';
|
|
} else if (typeof arg === 'number' && !isFinite(arg)) {
|
|
throw {
|
|
message: "Attempting to invoke string function on Infinity or NaN",
|
|
value: arg,
|
|
stack: (new Error()).stack
|
|
};
|
|
} else
|
|
str = JSON.stringify(arg, function (key, val) {
|
|
return (typeof val !== 'undefined' && val !== null && val.toPrecision && isNumeric(val)) ? Number(val.toPrecision(13)) :
|
|
(val && isLambda(val)) ? '' :
|
|
(typeof val === 'function') ? '' : val;
|
|
});
|
|
return str;
|
|
}
|
|
function functionSubstring(str, start, length) {
|
|
if(arguments.length != 2 && arguments.length != 3) {
|
|
throw {
|
|
message: 'The substring function expects two or three arguments',
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
if(typeof str === 'undefined') {
|
|
return undefined;
|
|
}
|
|
if(typeof str !== 'string') {
|
|
throw {
|
|
message: 'Type error: first argument of substring function must evaluate to a string',
|
|
stack: (new Error()).stack,
|
|
value: str
|
|
};
|
|
}
|
|
|
|
if(typeof start !== 'number') {
|
|
throw {
|
|
message: 'Type error: second argument of substring function must evaluate to a number',
|
|
stack: (new Error()).stack,
|
|
value: start
|
|
};
|
|
}
|
|
|
|
if(typeof length !== 'undefined' && typeof length !== 'number') {
|
|
throw {
|
|
message: 'Type error: third argument of substring function must evaluate to a number',
|
|
stack: (new Error()).stack,
|
|
value: length
|
|
};
|
|
}
|
|
|
|
return str.substr(start, length);
|
|
}
|
|
function functionSubstringBefore(str, chars) {
|
|
if(arguments.length != 2) {
|
|
throw {
|
|
message: 'The substringBefore function expects two arguments',
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
if(typeof str === 'undefined') {
|
|
return undefined;
|
|
}
|
|
if(typeof str !== 'string') {
|
|
throw {
|
|
message: 'Type error: first argument of substringBefore function must evaluate to a string',
|
|
stack: (new Error()).stack,
|
|
value: str
|
|
};
|
|
}
|
|
if(typeof chars !== 'string') {
|
|
throw {
|
|
message: 'Type error: second argument of substringBefore function must evaluate to a string',
|
|
stack: (new Error()).stack,
|
|
value: chars
|
|
};
|
|
}
|
|
|
|
var pos = str.indexOf(chars);
|
|
if (pos > -1) {
|
|
return str.substr(0, pos);
|
|
} else {
|
|
return str;
|
|
}
|
|
}
|
|
function functionSubstringAfter(str, chars) {
|
|
if(arguments.length != 2) {
|
|
throw {
|
|
message: 'The substringAfter function expects two arguments',
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
if(typeof str === 'undefined') {
|
|
return undefined;
|
|
}
|
|
if(typeof str !== 'string') {
|
|
throw {
|
|
message: 'Type error: first argument of substringAfter function must evaluate to a string',
|
|
stack: (new Error()).stack,
|
|
value: str
|
|
};
|
|
}
|
|
if(typeof chars !== 'string') {
|
|
throw {
|
|
message: 'Type error: second argument of substringAfter function must evaluate to a string',
|
|
stack: (new Error()).stack,
|
|
value: chars
|
|
};
|
|
}
|
|
|
|
var pos = str.indexOf(chars);
|
|
if (pos > -1) {
|
|
return str.substr(pos + chars.length);
|
|
} else {
|
|
return str;
|
|
}
|
|
}
|
|
function functionLowercase(str) {
|
|
if(arguments.length != 1) {
|
|
throw {
|
|
message: 'The lowercase function expects one argument',
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
if(typeof str === 'undefined') {
|
|
return undefined;
|
|
}
|
|
if(typeof str !== 'string') {
|
|
throw {
|
|
message: 'Type error: argument of lowercase function must evaluate to a string',
|
|
stack: (new Error()).stack,
|
|
value: str
|
|
};
|
|
}
|
|
|
|
return str.toLowerCase();
|
|
}
|
|
function functionUppercase(str) {
|
|
if(arguments.length != 1) {
|
|
throw {
|
|
message: 'The uppercase function expects one argument',
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
if(typeof str === 'undefined') {
|
|
return undefined;
|
|
}
|
|
if(typeof str !== 'string') {
|
|
throw {
|
|
message: 'Type error: argument of uppercase function must evaluate to a string',
|
|
stack: (new Error()).stack,
|
|
value: str
|
|
};
|
|
}
|
|
|
|
return str.toUpperCase();
|
|
}
|
|
function functionLength(str) {
|
|
if(arguments.length != 1) {
|
|
throw {
|
|
message: 'The length function expects one argument',
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
if(typeof str === 'undefined') {
|
|
return undefined;
|
|
}
|
|
if(typeof str !== 'string') {
|
|
throw {
|
|
message: 'Type error: argument of length function must evaluate to a string',
|
|
stack: (new Error()).stack,
|
|
value: str
|
|
};
|
|
}
|
|
|
|
return str.length;
|
|
}
|
|
function functionSplit(str, separator, limit) {
|
|
if(arguments.length != 2 && arguments.length != 3) {
|
|
throw {
|
|
message: 'The split function expects two or three arguments',
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
if(typeof str === 'undefined') {
|
|
return undefined;
|
|
}
|
|
if(typeof str !== 'string') {
|
|
throw {
|
|
message: 'Type error: first argument of split function must evaluate to a string',
|
|
stack: (new Error()).stack,
|
|
value: str
|
|
};
|
|
}
|
|
if(typeof separator !== 'string') {
|
|
throw {
|
|
message: 'Type error: second argument of split function must evaluate to a string',
|
|
stack: (new Error()).stack,
|
|
value: separator
|
|
};
|
|
}
|
|
if(typeof limit !== 'undefined' && (typeof limit !== 'number' || limit < 0)) {
|
|
throw {
|
|
message: 'Type error: third argument of split function must evaluate to a positive number',
|
|
stack: (new Error()).stack,
|
|
value: limit
|
|
};
|
|
}
|
|
|
|
return str.split(separator, limit);
|
|
}
|
|
function functionJoin(strs, separator) {
|
|
if(arguments.length != 1 && arguments.length != 2) {
|
|
throw {
|
|
message: 'The join function expects one or two arguments',
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
if(typeof strs === 'undefined') {
|
|
return undefined;
|
|
}
|
|
|
|
if(!Array.isArray(strs)) {
|
|
strs = [strs];
|
|
}
|
|
var nonStrings = strs.filter(function(val) {return (typeof val !== 'string');});
|
|
if(nonStrings.length > 0) {
|
|
throw {
|
|
message: 'Type error: first argument of join function must be an array of strings',
|
|
stack: (new Error()).stack,
|
|
value: nonStrings
|
|
};
|
|
}
|
|
if(typeof separator === 'undefined') {
|
|
separator = "";
|
|
}
|
|
if(typeof separator !== 'string') {
|
|
throw {
|
|
message: 'Type error: second argument of split function must evaluate to a string',
|
|
stack: (new Error()).stack,
|
|
value: separator
|
|
};
|
|
}
|
|
|
|
return strs.join(separator);
|
|
}
|
|
function functionNumber(arg) {
|
|
var result;
|
|
|
|
if(arguments.length != 1) {
|
|
throw {
|
|
message: 'The number function expects one argument',
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
if(typeof arg === 'undefined') {
|
|
return undefined;
|
|
}
|
|
|
|
if (typeof arg === 'number') {
|
|
result = arg;
|
|
} else if(typeof arg === 'string' && /^-?(0|([1-9][0-9]*))(\.[0-9]+)?([Ee][-+]?[0-9]+)?$/.test(arg) && !isNaN(parseFloat(arg)) && isFinite(arg)) {
|
|
result = parseFloat(arg);
|
|
} else {
|
|
throw {
|
|
message: "Unable to cast value to a number",
|
|
value: arg,
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
return result;
|
|
}
|
|
function functionBoolean(arg) {
|
|
|
|
if(arguments.length != 1) {
|
|
throw {
|
|
message: 'The boolean function expects one argument',
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
if(typeof arg === 'undefined') {
|
|
return undefined;
|
|
}
|
|
|
|
var result = false;
|
|
if (Array.isArray(arg)) {
|
|
if (arg.length == 1) {
|
|
result = functionBoolean(arg[0]);
|
|
} else if (arg.length > 1) {
|
|
var trues = arg.filter(function(val) {return functionBoolean(val);});
|
|
result = trues.length > 0;
|
|
}
|
|
} else if (typeof arg === 'string') {
|
|
if (arg.length > 0) {
|
|
result = true;
|
|
}
|
|
} else if (isNumeric(arg)) {
|
|
if (arg != 0) {
|
|
result = true;
|
|
}
|
|
} else if (arg != null && typeof arg === 'object') {
|
|
if (Object.keys(arg).length > 0) {
|
|
if (!(isLambda(arg))) {
|
|
result = true;
|
|
}
|
|
}
|
|
} else if (typeof arg === 'boolean' && arg == true) {
|
|
result = true;
|
|
}
|
|
return result;
|
|
}
|
|
function functionNot(arg) {
|
|
return !functionBoolean(arg);
|
|
}
|
|
function functionMap(func) {
|
|
var varargs = arguments;
|
|
var result = [];
|
|
var args = [];
|
|
for (var ii = 1; ii < varargs.length; ii++) {
|
|
if (Array.isArray(varargs[ii])) {
|
|
args.push(varargs[ii]);
|
|
} else {
|
|
args.push([varargs[ii]]);
|
|
}
|
|
|
|
}
|
|
if (args.length > 0) {
|
|
for (var i = 0; i < args[0].length; i++) {
|
|
var func_args = [];
|
|
for (var j = 0; j < func.arguments.length; j++) {
|
|
func_args.push(args[j][i]);
|
|
}
|
|
result.push(apply(func, func_args, null, null));
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
function functionFoldLeft(func, sequence, init) {
|
|
var result;
|
|
|
|
if (!(func.length == 2 || func.arguments.length == 2)) {
|
|
throw {
|
|
message: 'The first argument of the reduce function must be a function of arity 2',
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
|
|
if (!Array.isArray(sequence)) {
|
|
sequence = [sequence];
|
|
}
|
|
|
|
var index;
|
|
if (typeof init === 'undefined' && sequence.length > 0) {
|
|
result = sequence[0];
|
|
index = 1;
|
|
} else {
|
|
result = init;
|
|
index = 0;
|
|
}
|
|
|
|
while (index < sequence.length) {
|
|
result = apply(func, [result, sequence[index]], null, null);
|
|
index++;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
function functionKeys(arg) {
|
|
var result = [];
|
|
|
|
if(Array.isArray(arg)) {
|
|
var merge = {};
|
|
arg.forEach(function(item) {
|
|
var keys = functionKeys(item);
|
|
if(Array.isArray(keys)) {
|
|
keys.forEach(function(key) {
|
|
merge[key] = true;
|
|
});
|
|
}
|
|
});
|
|
result = functionKeys(merge);
|
|
} else if(arg != null && typeof arg === 'object' && !(isLambda(arg))) {
|
|
result = Object.keys(arg);
|
|
if(result.length == 0) {
|
|
result = undefined;
|
|
}
|
|
} else {
|
|
result = undefined;
|
|
}
|
|
return result;
|
|
}
|
|
function functionLookup(object, key) {
|
|
var result = evaluateName({value: key}, object);
|
|
return result;
|
|
}
|
|
function functionAppend(arg1, arg2) {
|
|
if (typeof arg1 === 'undefined') {
|
|
return arg2;
|
|
}
|
|
if (typeof arg2 === 'undefined') {
|
|
return arg1;
|
|
}
|
|
if (!Array.isArray(arg1)) {
|
|
arg1 = [arg1];
|
|
}
|
|
if (!Array.isArray(arg2)) {
|
|
arg2 = [arg2];
|
|
}
|
|
Array.prototype.push.apply(arg1, arg2);
|
|
return arg1;
|
|
}
|
|
function functionExists(arg){
|
|
if (arguments.length != 1) {
|
|
throw {
|
|
message: 'The exists function expects one argument',
|
|
stack: (new Error()).stack
|
|
};
|
|
}
|
|
|
|
if (typeof arg === 'undefined') {
|
|
return false;
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
function functionSpread(arg) {
|
|
var result = [];
|
|
|
|
if(Array.isArray(arg)) {
|
|
arg.forEach(function(item) {
|
|
result = functionAppend(result, functionSpread(item));
|
|
});
|
|
} else if(arg != null && typeof arg === 'object' && !isLambda(arg)) {
|
|
for(var key in arg) {
|
|
var obj = {};
|
|
obj[key] = arg[key];
|
|
result.push(obj);
|
|
}
|
|
} else {
|
|
result = arg;
|
|
}
|
|
return result;
|
|
}
|
|
function createFrame(enclosingEnvironment) {
|
|
var bindings = {};
|
|
return {
|
|
bind: function (name, value) {
|
|
bindings[name] = value;
|
|
},
|
|
lookup: function (name) {
|
|
var value = bindings[name];
|
|
if (typeof value === 'undefined' && enclosingEnvironment) {
|
|
value = enclosingEnvironment.lookup(name);
|
|
}
|
|
return value;
|
|
}
|
|
};
|
|
}
|
|
|
|
var staticFrame = createFrame(null);
|
|
|
|
staticFrame.bind('sum', functionSum);
|
|
staticFrame.bind('count', functionCount);
|
|
staticFrame.bind('max', functionMax);
|
|
staticFrame.bind('min', functionMin);
|
|
staticFrame.bind('average', functionAverage);
|
|
staticFrame.bind('string', functionString);
|
|
staticFrame.bind('substring', functionSubstring);
|
|
staticFrame.bind('substringBefore', functionSubstringBefore);
|
|
staticFrame.bind('substringAfter', functionSubstringAfter);
|
|
staticFrame.bind('lowercase', functionLowercase);
|
|
staticFrame.bind('uppercase', functionUppercase);
|
|
staticFrame.bind('length', functionLength);
|
|
staticFrame.bind('split', functionSplit);
|
|
staticFrame.bind('join', functionJoin);
|
|
staticFrame.bind('number', functionNumber);
|
|
staticFrame.bind('boolean', functionBoolean);
|
|
staticFrame.bind('not', functionNot);
|
|
staticFrame.bind('map', functionMap);
|
|
staticFrame.bind('reduce', functionFoldLeft);
|
|
staticFrame.bind('keys', functionKeys);
|
|
staticFrame.bind('lookup', functionLookup);
|
|
staticFrame.bind('append', functionAppend);
|
|
staticFrame.bind('exists', functionExists);
|
|
staticFrame.bind('spread', functionSpread);
|
|
|
|
function jsonata(expr) {
|
|
var ast = parser(expr);
|
|
var environment = createFrame(staticFrame);
|
|
return {
|
|
evaluate: function (input, bindings) {
|
|
if (typeof bindings !== 'undefined') {
|
|
var exec_env;
|
|
exec_env = createFrame(environment);
|
|
for (var v in bindings) {
|
|
exec_env.bind(v, bindings[v]);
|
|
}
|
|
} else {
|
|
exec_env = environment;
|
|
}
|
|
exec_env.bind('$', input);
|
|
return evaluate(ast, input, exec_env);
|
|
},
|
|
assign: function (name, value) {
|
|
environment.bind(name, value);
|
|
}
|
|
};
|
|
}
|
|
|
|
jsonata.parser = parser;
|
|
|
|
return jsonata;
|
|
|
|
})();
|
|
|
|
|
|
|
|
|
|
var oop = require("../lib/oop");
|
|
var Mirror = require("../worker/mirror").Mirror;
|
|
|
|
var JSONataWorker = exports.JSONataWorker = function(sender) {
|
|
Mirror.call(this, sender);
|
|
this.setTimeout(200);
|
|
};
|
|
|
|
oop.inherits(JSONataWorker, Mirror);
|
|
|
|
(function() {
|
|
|
|
this.onUpdate = function() {
|
|
var value = this.doc.getValue();
|
|
var errors = [];
|
|
try {
|
|
if (value)
|
|
jsonata(value);
|
|
} catch (e) {
|
|
var pos = this.doc.indexToPosition(e.position-1);
|
|
var msg = e.message;
|
|
msg = msg.replace(/ at column \d+/,"");
|
|
errors.push({
|
|
row: pos.row,
|
|
column: pos.column,
|
|
text: msg,
|
|
type: "error"
|
|
});
|
|
}
|
|
this.sender.emit("annotate", errors);
|
|
};
|
|
|
|
}).call(JSONataWorker.prototype);
|
|
|
|
});
|
|
|
|
define("ace/lib/es5-shim",["require","exports","module"], function(require, exports, module) {
|
|
|
|
function Empty() {}
|
|
|
|
if (!Function.prototype.bind) {
|
|
Function.prototype.bind = function bind(that) { // .length is 1
|
|
var target = this;
|
|
if (typeof target != "function") {
|
|
throw new TypeError("Function.prototype.bind called on incompatible " + target);
|
|
}
|
|
var args = slice.call(arguments, 1); // for normal call
|
|
var bound = function () {
|
|
|
|
if (this instanceof bound) {
|
|
|
|
var result = target.apply(
|
|
this,
|
|
args.concat(slice.call(arguments))
|
|
);
|
|
if (Object(result) === result) {
|
|
return result;
|
|
}
|
|
return this;
|
|
|
|
} else {
|
|
return target.apply(
|
|
that,
|
|
args.concat(slice.call(arguments))
|
|
);
|
|
|
|
}
|
|
|
|
};
|
|
if(target.prototype) {
|
|
Empty.prototype = target.prototype;
|
|
bound.prototype = new Empty();
|
|
Empty.prototype = null;
|
|
}
|
|
return bound;
|
|
};
|
|
}
|
|
var call = Function.prototype.call;
|
|
var prototypeOfArray = Array.prototype;
|
|
var prototypeOfObject = Object.prototype;
|
|
var slice = prototypeOfArray.slice;
|
|
var _toString = call.bind(prototypeOfObject.toString);
|
|
var owns = call.bind(prototypeOfObject.hasOwnProperty);
|
|
var defineGetter;
|
|
var defineSetter;
|
|
var lookupGetter;
|
|
var lookupSetter;
|
|
var supportsAccessors;
|
|
if ((supportsAccessors = owns(prototypeOfObject, "__defineGetter__"))) {
|
|
defineGetter = call.bind(prototypeOfObject.__defineGetter__);
|
|
defineSetter = call.bind(prototypeOfObject.__defineSetter__);
|
|
lookupGetter = call.bind(prototypeOfObject.__lookupGetter__);
|
|
lookupSetter = call.bind(prototypeOfObject.__lookupSetter__);
|
|
}
|
|
if ([1,2].splice(0).length != 2) {
|
|
if(function() { // test IE < 9 to splice bug - see issue #138
|
|
function makeArray(l) {
|
|
var a = new Array(l+2);
|
|
a[0] = a[1] = 0;
|
|
return a;
|
|
}
|
|
var array = [], lengthBefore;
|
|
|
|
array.splice.apply(array, makeArray(20));
|
|
array.splice.apply(array, makeArray(26));
|
|
|
|
lengthBefore = array.length; //46
|
|
array.splice(5, 0, "XXX"); // add one element
|
|
|
|
lengthBefore + 1 == array.length
|
|
|
|
if (lengthBefore + 1 == array.length) {
|
|
return true;// has right splice implementation without bugs
|
|
}
|
|
}()) {//IE 6/7
|
|
var array_splice = Array.prototype.splice;
|
|
Array.prototype.splice = function(start, deleteCount) {
|
|
if (!arguments.length) {
|
|
return [];
|
|
} else {
|
|
return array_splice.apply(this, [
|
|
start === void 0 ? 0 : start,
|
|
deleteCount === void 0 ? (this.length - start) : deleteCount
|
|
].concat(slice.call(arguments, 2)))
|
|
}
|
|
};
|
|
} else {//IE8
|
|
Array.prototype.splice = function(pos, removeCount){
|
|
var length = this.length;
|
|
if (pos > 0) {
|
|
if (pos > length)
|
|
pos = length;
|
|
} else if (pos == void 0) {
|
|
pos = 0;
|
|
} else if (pos < 0) {
|
|
pos = Math.max(length + pos, 0);
|
|
}
|
|
|
|
if (!(pos+removeCount < length))
|
|
removeCount = length - pos;
|
|
|
|
var removed = this.slice(pos, pos+removeCount);
|
|
var insert = slice.call(arguments, 2);
|
|
var add = insert.length;
|
|
if (pos === length) {
|
|
if (add) {
|
|
this.push.apply(this, insert);
|
|
}
|
|
} else {
|
|
var remove = Math.min(removeCount, length - pos);
|
|
var tailOldPos = pos + remove;
|
|
var tailNewPos = tailOldPos + add - remove;
|
|
var tailCount = length - tailOldPos;
|
|
var lengthAfterRemove = length - remove;
|
|
|
|
if (tailNewPos < tailOldPos) { // case A
|
|
for (var i = 0; i < tailCount; ++i) {
|
|
this[tailNewPos+i] = this[tailOldPos+i];
|
|
}
|
|
} else if (tailNewPos > tailOldPos) { // case B
|
|
for (i = tailCount; i--; ) {
|
|
this[tailNewPos+i] = this[tailOldPos+i];
|
|
}
|
|
} // else, add == remove (nothing to do)
|
|
|
|
if (add && pos === lengthAfterRemove) {
|
|
this.length = lengthAfterRemove; // truncate array
|
|
this.push.apply(this, insert);
|
|
} else {
|
|
this.length = lengthAfterRemove + add; // reserves space
|
|
for (i = 0; i < add; ++i) {
|
|
this[pos+i] = insert[i];
|
|
}
|
|
}
|
|
}
|
|
return removed;
|
|
};
|
|
}
|
|
}
|
|
if (!Array.isArray) {
|
|
Array.isArray = function isArray(obj) {
|
|
return _toString(obj) == "[object Array]";
|
|
};
|
|
}
|
|
var boxedString = Object("a"),
|
|
splitString = boxedString[0] != "a" || !(0 in boxedString);
|
|
|
|
if (!Array.prototype.forEach) {
|
|
Array.prototype.forEach = function forEach(fun /*, thisp*/) {
|
|
var object = toObject(this),
|
|
self = splitString && _toString(this) == "[object String]" ?
|
|
this.split("") :
|
|
object,
|
|
thisp = arguments[1],
|
|
i = -1,
|
|
length = self.length >>> 0;
|
|
if (_toString(fun) != "[object Function]") {
|
|
throw new TypeError(); // TODO message
|
|
}
|
|
|
|
while (++i < length) {
|
|
if (i in self) {
|
|
fun.call(thisp, self[i], i, object);
|
|
}
|
|
}
|
|
};
|
|
}
|
|
if (!Array.prototype.map) {
|
|
Array.prototype.map = function map(fun /*, thisp*/) {
|
|
var object = toObject(this),
|
|
self = splitString && _toString(this) == "[object String]" ?
|
|
this.split("") :
|
|
object,
|
|
length = self.length >>> 0,
|
|
result = Array(length),
|
|
thisp = arguments[1];
|
|
if (_toString(fun) != "[object Function]") {
|
|
throw new TypeError(fun + " is not a function");
|
|
}
|
|
|
|
for (var i = 0; i < length; i++) {
|
|
if (i in self)
|
|
result[i] = fun.call(thisp, self[i], i, object);
|
|
}
|
|
return result;
|
|
};
|
|
}
|
|
if (!Array.prototype.filter) {
|
|
Array.prototype.filter = function filter(fun /*, thisp */) {
|
|
var object = toObject(this),
|
|
self = splitString && _toString(this) == "[object String]" ?
|
|
this.split("") :
|
|
object,
|
|
length = self.length >>> 0,
|
|
result = [],
|
|
value,
|
|
thisp = arguments[1];
|
|
if (_toString(fun) != "[object Function]") {
|
|
throw new TypeError(fun + " is not a function");
|
|
}
|
|
|
|
for (var i = 0; i < length; i++) {
|
|
if (i in self) {
|
|
value = self[i];
|
|
if (fun.call(thisp, value, i, object)) {
|
|
result.push(value);
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
};
|
|
}
|
|
if (!Array.prototype.every) {
|
|
Array.prototype.every = function every(fun /*, thisp */) {
|
|
var object = toObject(this),
|
|
self = splitString && _toString(this) == "[object String]" ?
|
|
this.split("") :
|
|
object,
|
|
length = self.length >>> 0,
|
|
thisp = arguments[1];
|
|
if (_toString(fun) != "[object Function]") {
|
|
throw new TypeError(fun + " is not a function");
|
|
}
|
|
|
|
for (var i = 0; i < length; i++) {
|
|
if (i in self && !fun.call(thisp, self[i], i, object)) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
};
|
|
}
|
|
if (!Array.prototype.some) {
|
|
Array.prototype.some = function some(fun /*, thisp */) {
|
|
var object = toObject(this),
|
|
self = splitString && _toString(this) == "[object String]" ?
|
|
this.split("") :
|
|
object,
|
|
length = self.length >>> 0,
|
|
thisp = arguments[1];
|
|
if (_toString(fun) != "[object Function]") {
|
|
throw new TypeError(fun + " is not a function");
|
|
}
|
|
|
|
for (var i = 0; i < length; i++) {
|
|
if (i in self && fun.call(thisp, self[i], i, object)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
};
|
|
}
|
|
if (!Array.prototype.reduce) {
|
|
Array.prototype.reduce = function reduce(fun /*, initial*/) {
|
|
var object = toObject(this),
|
|
self = splitString && _toString(this) == "[object String]" ?
|
|
this.split("") :
|
|
object,
|
|
length = self.length >>> 0;
|
|
if (_toString(fun) != "[object Function]") {
|
|
throw new TypeError(fun + " is not a function");
|
|
}
|
|
if (!length && arguments.length == 1) {
|
|
throw new TypeError("reduce of empty array with no initial value");
|
|
}
|
|
|
|
var i = 0;
|
|
var result;
|
|
if (arguments.length >= 2) {
|
|
result = arguments[1];
|
|
} else {
|
|
do {
|
|
if (i in self) {
|
|
result = self[i++];
|
|
break;
|
|
}
|
|
if (++i >= length) {
|
|
throw new TypeError("reduce of empty array with no initial value");
|
|
}
|
|
} while (true);
|
|
}
|
|
|
|
for (; i < length; i++) {
|
|
if (i in self) {
|
|
result = fun.call(void 0, result, self[i], i, object);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
};
|
|
}
|
|
if (!Array.prototype.reduceRight) {
|
|
Array.prototype.reduceRight = function reduceRight(fun /*, initial*/) {
|
|
var object = toObject(this),
|
|
self = splitString && _toString(this) == "[object String]" ?
|
|
this.split("") :
|
|
object,
|
|
length = self.length >>> 0;
|
|
if (_toString(fun) != "[object Function]") {
|
|
throw new TypeError(fun + " is not a function");
|
|
}
|
|
if (!length && arguments.length == 1) {
|
|
throw new TypeError("reduceRight of empty array with no initial value");
|
|
}
|
|
|
|
var result, i = length - 1;
|
|
if (arguments.length >= 2) {
|
|
result = arguments[1];
|
|
} else {
|
|
do {
|
|
if (i in self) {
|
|
result = self[i--];
|
|
break;
|
|
}
|
|
if (--i < 0) {
|
|
throw new TypeError("reduceRight of empty array with no initial value");
|
|
}
|
|
} while (true);
|
|
}
|
|
|
|
do {
|
|
if (i in this) {
|
|
result = fun.call(void 0, result, self[i], i, object);
|
|
}
|
|
} while (i--);
|
|
|
|
return result;
|
|
};
|
|
}
|
|
if (!Array.prototype.indexOf || ([0, 1].indexOf(1, 2) != -1)) {
|
|
Array.prototype.indexOf = function indexOf(sought /*, fromIndex */ ) {
|
|
var self = splitString && _toString(this) == "[object String]" ?
|
|
this.split("") :
|
|
toObject(this),
|
|
length = self.length >>> 0;
|
|
|
|
if (!length) {
|
|
return -1;
|
|
}
|
|
|
|
var i = 0;
|
|
if (arguments.length > 1) {
|
|
i = toInteger(arguments[1]);
|
|
}
|
|
i = i >= 0 ? i : Math.max(0, length + i);
|
|
for (; i < length; i++) {
|
|
if (i in self && self[i] === sought) {
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
};
|
|
}
|
|
if (!Array.prototype.lastIndexOf || ([0, 1].lastIndexOf(0, -3) != -1)) {
|
|
Array.prototype.lastIndexOf = function lastIndexOf(sought /*, fromIndex */) {
|
|
var self = splitString && _toString(this) == "[object String]" ?
|
|
this.split("") :
|
|
toObject(this),
|
|
length = self.length >>> 0;
|
|
|
|
if (!length) {
|
|
return -1;
|
|
}
|
|
var i = length - 1;
|
|
if (arguments.length > 1) {
|
|
i = Math.min(i, toInteger(arguments[1]));
|
|
}
|
|
i = i >= 0 ? i : length - Math.abs(i);
|
|
for (; i >= 0; i--) {
|
|
if (i in self && sought === self[i]) {
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
};
|
|
}
|
|
if (!Object.getPrototypeOf) {
|
|
Object.getPrototypeOf = function getPrototypeOf(object) {
|
|
return object.__proto__ || (
|
|
object.constructor ?
|
|
object.constructor.prototype :
|
|
prototypeOfObject
|
|
);
|
|
};
|
|
}
|
|
if (!Object.getOwnPropertyDescriptor) {
|
|
var ERR_NON_OBJECT = "Object.getOwnPropertyDescriptor called on a " +
|
|
"non-object: ";
|
|
Object.getOwnPropertyDescriptor = function getOwnPropertyDescriptor(object, property) {
|
|
if ((typeof object != "object" && typeof object != "function") || object === null)
|
|
throw new TypeError(ERR_NON_OBJECT + object);
|
|
if (!owns(object, property))
|
|
return;
|
|
|
|
var descriptor, getter, setter;
|
|
descriptor = { enumerable: true, configurable: true };
|
|
if (supportsAccessors) {
|
|
var prototype = object.__proto__;
|
|
object.__proto__ = prototypeOfObject;
|
|
|
|
var getter = lookupGetter(object, property);
|
|
var setter = lookupSetter(object, property);
|
|
object.__proto__ = prototype;
|
|
|
|
if (getter || setter) {
|
|
if (getter) descriptor.get = getter;
|
|
if (setter) descriptor.set = setter;
|
|
return descriptor;
|
|
}
|
|
}
|
|
descriptor.value = object[property];
|
|
return descriptor;
|
|
};
|
|
}
|
|
if (!Object.getOwnPropertyNames) {
|
|
Object.getOwnPropertyNames = function getOwnPropertyNames(object) {
|
|
return Object.keys(object);
|
|
};
|
|
}
|
|
if (!Object.create) {
|
|
var createEmpty;
|
|
if (Object.prototype.__proto__ === null) {
|
|
createEmpty = function () {
|
|
return { "__proto__": null };
|
|
};
|
|
} else {
|
|
createEmpty = function () {
|
|
var empty = {};
|
|
for (var i in empty)
|
|
empty[i] = null;
|
|
empty.constructor =
|
|
empty.hasOwnProperty =
|
|
empty.propertyIsEnumerable =
|
|
empty.isPrototypeOf =
|
|
empty.toLocaleString =
|
|
empty.toString =
|
|
empty.valueOf =
|
|
empty.__proto__ = null;
|
|
return empty;
|
|
}
|
|
}
|
|
|
|
Object.create = function create(prototype, properties) {
|
|
var object;
|
|
if (prototype === null) {
|
|
object = createEmpty();
|
|
} else {
|
|
if (typeof prototype != "object")
|
|
throw new TypeError("typeof prototype["+(typeof prototype)+"] != 'object'");
|
|
var Type = function () {};
|
|
Type.prototype = prototype;
|
|
object = new Type();
|
|
object.__proto__ = prototype;
|
|
}
|
|
if (properties !== void 0)
|
|
Object.defineProperties(object, properties);
|
|
return object;
|
|
};
|
|
}
|
|
|
|
function doesDefinePropertyWork(object) {
|
|
try {
|
|
Object.defineProperty(object, "sentinel", {});
|
|
return "sentinel" in object;
|
|
} catch (exception) {
|
|
}
|
|
}
|
|
if (Object.defineProperty) {
|
|
var definePropertyWorksOnObject = doesDefinePropertyWork({});
|
|
var definePropertyWorksOnDom = typeof document == "undefined" ||
|
|
doesDefinePropertyWork(document.createElement("div"));
|
|
if (!definePropertyWorksOnObject || !definePropertyWorksOnDom) {
|
|
var definePropertyFallback = Object.defineProperty;
|
|
}
|
|
}
|
|
|
|
if (!Object.defineProperty || definePropertyFallback) {
|
|
var ERR_NON_OBJECT_DESCRIPTOR = "Property description must be an object: ";
|
|
var ERR_NON_OBJECT_TARGET = "Object.defineProperty called on non-object: "
|
|
var ERR_ACCESSORS_NOT_SUPPORTED = "getters & setters can not be defined " +
|
|
"on this javascript engine";
|
|
|
|
Object.defineProperty = function defineProperty(object, property, descriptor) {
|
|
if ((typeof object != "object" && typeof object != "function") || object === null)
|
|
throw new TypeError(ERR_NON_OBJECT_TARGET + object);
|
|
if ((typeof descriptor != "object" && typeof descriptor != "function") || descriptor === null)
|
|
throw new TypeError(ERR_NON_OBJECT_DESCRIPTOR + descriptor);
|
|
if (definePropertyFallback) {
|
|
try {
|
|
return definePropertyFallback.call(Object, object, property, descriptor);
|
|
} catch (exception) {
|
|
}
|
|
}
|
|
if (owns(descriptor, "value")) {
|
|
|
|
if (supportsAccessors && (lookupGetter(object, property) ||
|
|
lookupSetter(object, property)))
|
|
{
|
|
var prototype = object.__proto__;
|
|
object.__proto__ = prototypeOfObject;
|
|
delete object[property];
|
|
object[property] = descriptor.value;
|
|
object.__proto__ = prototype;
|
|
} else {
|
|
object[property] = descriptor.value;
|
|
}
|
|
} else {
|
|
if (!supportsAccessors)
|
|
throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);
|
|
if (owns(descriptor, "get"))
|
|
defineGetter(object, property, descriptor.get);
|
|
if (owns(descriptor, "set"))
|
|
defineSetter(object, property, descriptor.set);
|
|
}
|
|
|
|
return object;
|
|
};
|
|
}
|
|
if (!Object.defineProperties) {
|
|
Object.defineProperties = function defineProperties(object, properties) {
|
|
for (var property in properties) {
|
|
if (owns(properties, property))
|
|
Object.defineProperty(object, property, properties[property]);
|
|
}
|
|
return object;
|
|
};
|
|
}
|
|
if (!Object.seal) {
|
|
Object.seal = function seal(object) {
|
|
return object;
|
|
};
|
|
}
|
|
if (!Object.freeze) {
|
|
Object.freeze = function freeze(object) {
|
|
return object;
|
|
};
|
|
}
|
|
try {
|
|
Object.freeze(function () {});
|
|
} catch (exception) {
|
|
Object.freeze = (function freeze(freezeObject) {
|
|
return function freeze(object) {
|
|
if (typeof object == "function") {
|
|
return object;
|
|
} else {
|
|
return freezeObject(object);
|
|
}
|
|
};
|
|
})(Object.freeze);
|
|
}
|
|
if (!Object.preventExtensions) {
|
|
Object.preventExtensions = function preventExtensions(object) {
|
|
return object;
|
|
};
|
|
}
|
|
if (!Object.isSealed) {
|
|
Object.isSealed = function isSealed(object) {
|
|
return false;
|
|
};
|
|
}
|
|
if (!Object.isFrozen) {
|
|
Object.isFrozen = function isFrozen(object) {
|
|
return false;
|
|
};
|
|
}
|
|
if (!Object.isExtensible) {
|
|
Object.isExtensible = function isExtensible(object) {
|
|
if (Object(object) === object) {
|
|
throw new TypeError(); // TODO message
|
|
}
|
|
var name = '';
|
|
while (owns(object, name)) {
|
|
name += '?';
|
|
}
|
|
object[name] = true;
|
|
var returnValue = owns(object, name);
|
|
delete object[name];
|
|
return returnValue;
|
|
};
|
|
}
|
|
if (!Object.keys) {
|
|
var hasDontEnumBug = true,
|
|
dontEnums = [
|
|
"toString",
|
|
"toLocaleString",
|
|
"valueOf",
|
|
"hasOwnProperty",
|
|
"isPrototypeOf",
|
|
"propertyIsEnumerable",
|
|
"constructor"
|
|
],
|
|
dontEnumsLength = dontEnums.length;
|
|
|
|
for (var key in {"toString": null}) {
|
|
hasDontEnumBug = false;
|
|
}
|
|
|
|
Object.keys = function keys(object) {
|
|
|
|
if (
|
|
(typeof object != "object" && typeof object != "function") ||
|
|
object === null
|
|
) {
|
|
throw new TypeError("Object.keys called on a non-object");
|
|
}
|
|
|
|
var keys = [];
|
|
for (var name in object) {
|
|
if (owns(object, name)) {
|
|
keys.push(name);
|
|
}
|
|
}
|
|
|
|
if (hasDontEnumBug) {
|
|
for (var i = 0, ii = dontEnumsLength; i < ii; i++) {
|
|
var dontEnum = dontEnums[i];
|
|
if (owns(object, dontEnum)) {
|
|
keys.push(dontEnum);
|
|
}
|
|
}
|
|
}
|
|
return keys;
|
|
};
|
|
|
|
}
|
|
if (!Date.now) {
|
|
Date.now = function now() {
|
|
return new Date().getTime();
|
|
};
|
|
}
|
|
var ws = "\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003" +
|
|
"\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028" +
|
|
"\u2029\uFEFF";
|
|
if (!String.prototype.trim || ws.trim()) {
|
|
ws = "[" + ws + "]";
|
|
var trimBeginRegexp = new RegExp("^" + ws + ws + "*"),
|
|
trimEndRegexp = new RegExp(ws + ws + "*$");
|
|
String.prototype.trim = function trim() {
|
|
return String(this).replace(trimBeginRegexp, "").replace(trimEndRegexp, "");
|
|
};
|
|
}
|
|
|
|
function toInteger(n) {
|
|
n = +n;
|
|
if (n !== n) { // isNaN
|
|
n = 0;
|
|
} else if (n !== 0 && n !== (1/0) && n !== -(1/0)) {
|
|
n = (n > 0 || -1) * Math.floor(Math.abs(n));
|
|
}
|
|
return n;
|
|
}
|
|
|
|
function isPrimitive(input) {
|
|
var type = typeof input;
|
|
return (
|
|
input === null ||
|
|
type === "undefined" ||
|
|
type === "boolean" ||
|
|
type === "number" ||
|
|
type === "string"
|
|
);
|
|
}
|
|
|
|
function toPrimitive(input) {
|
|
var val, valueOf, toString;
|
|
if (isPrimitive(input)) {
|
|
return input;
|
|
}
|
|
valueOf = input.valueOf;
|
|
if (typeof valueOf === "function") {
|
|
val = valueOf.call(input);
|
|
if (isPrimitive(val)) {
|
|
return val;
|
|
}
|
|
}
|
|
toString = input.toString;
|
|
if (typeof toString === "function") {
|
|
val = toString.call(input);
|
|
if (isPrimitive(val)) {
|
|
return val;
|
|
}
|
|
}
|
|
throw new TypeError();
|
|
}
|
|
var toObject = function (o) {
|
|
if (o == null) { // this matches both null and undefined
|
|
throw new TypeError("can't convert "+o+" to object");
|
|
}
|
|
return Object(o);
|
|
};
|
|
|
|
});
|