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mediawiki-extensions-CodeEd.../modules/ace/worker-lua.js
Derk-Jan Hartman 941cc7c109 Update Ace to 1.14.0 
- Improved ES6 support

Bug: T324609
Change-Id: I22234ee259c2663a511f9285d4c43d4256e29c66
2023-01-16 23:26:34 +01:00

3511 lines
102 KiB
JavaScript
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"no use strict";
!(function(window) {
if (typeof window.window != "undefined" && window.document)
return;
if (window.require && window.define)
return;
if (!window.console) {
window.console = function() {
var msgs = Array.prototype.slice.call(arguments, 0);
postMessage({type: "log", data: msgs});
};
window.console.error =
window.console.warn =
window.console.log =
window.console.trace = window.console;
}
window.window = window;
window.ace = window;
window.onerror = function(message, file, line, col, err) {
postMessage({type: "error", data: {
message: message,
data: err && err.data,
file: file,
line: line,
col: col,
stack: err && err.stack
}});
};
window.normalizeModule = function(parentId, moduleName) {
// normalize plugin requires
if (moduleName.indexOf("!") !== -1) {
var chunks = moduleName.split("!");
return window.normalizeModule(parentId, chunks[0]) + "!" + window.normalizeModule(parentId, chunks[1]);
}
// normalize relative requires
if (moduleName.charAt(0) == ".") {
var base = parentId.split("/").slice(0, -1).join("/");
moduleName = (base ? base + "/" : "") + moduleName;
while (moduleName.indexOf(".") !== -1 && previous != moduleName) {
var previous = moduleName;
moduleName = moduleName.replace(/^\.\//, "").replace(/\/\.\//, "/").replace(/[^\/]+\/\.\.\//, "");
}
}
return moduleName;
};
window.require = function require(parentId, id) {
if (!id) {
id = parentId;
parentId = null;
}
if (!id.charAt)
throw new Error("worker.js require() accepts only (parentId, id) as arguments");
id = window.normalizeModule(parentId, id);
var module = window.require.modules[id];
if (module) {
if (!module.initialized) {
module.initialized = true;
module.exports = module.factory().exports;
}
return module.exports;
}
if (!window.require.tlns)
return console.log("unable to load " + id);
var path = resolveModuleId(id, window.require.tlns);
if (path.slice(-3) != ".js") path += ".js";
window.require.id = id;
window.require.modules[id] = {}; // prevent infinite loop on broken modules
importScripts(path);
return window.require(parentId, id);
};
function resolveModuleId(id, paths) {
var testPath = id, tail = "";
while (testPath) {
var alias = paths[testPath];
if (typeof alias == "string") {
return alias + tail;
} else if (alias) {
return alias.location.replace(/\/*$/, "/") + (tail || alias.main || alias.name);
} else if (alias === false) {
return "";
}
var i = testPath.lastIndexOf("/");
if (i === -1) break;
tail = testPath.substr(i) + tail;
testPath = testPath.slice(0, i);
}
return id;
}
window.require.modules = {};
window.require.tlns = {};
window.define = function(id, deps, factory) {
if (arguments.length == 2) {
factory = deps;
if (typeof id != "string") {
deps = id;
id = window.require.id;
}
} else if (arguments.length == 1) {
factory = id;
deps = [];
id = window.require.id;
}
if (typeof factory != "function") {
window.require.modules[id] = {
exports: factory,
initialized: true
};
return;
}
if (!deps.length)
// If there is no dependencies, we inject "require", "exports" and
// "module" as dependencies, to provide CommonJS compatibility.
deps = ["require", "exports", "module"];
var req = function(childId) {
return window.require(id, childId);
};
window.require.modules[id] = {
exports: {},
factory: function() {
var module = this;
var returnExports = factory.apply(this, deps.slice(0, factory.length).map(function(dep) {
switch (dep) {
// Because "require", "exports" and "module" aren't actual
// dependencies, we must handle them seperately.
case "require": return req;
case "exports": return module.exports;
case "module": return module;
// But for all other dependencies, we can just go ahead and
// require them.
default: return req(dep);
}
}));
if (returnExports)
module.exports = returnExports;
return module;
}
};
};
window.define.amd = {};
window.require.tlns = {};
window.initBaseUrls = function initBaseUrls(topLevelNamespaces) {
for (var i in topLevelNamespaces)
this.require.tlns[i] = topLevelNamespaces[i];
};
window.initSender = function initSender() {
var EventEmitter = window.require("ace/lib/event_emitter").EventEmitter;
var oop = window.require("ace/lib/oop");
var Sender = function() {};
(function() {
oop.implement(this, EventEmitter);
this.callback = function(data, callbackId) {
postMessage({
type: "call",
id: callbackId,
data: data
});
};
this.emit = function(name, data) {
postMessage({
type: "event",
name: name,
data: data
});
};
}).call(Sender.prototype);
return new Sender();
};
var main = window.main = null;
var sender = window.sender = null;
window.onmessage = function(e) {
var msg = e.data;
if (msg.event && sender) {
sender._signal(msg.event, msg.data);
}
else if (msg.command) {
if (main[msg.command])
main[msg.command].apply(main, msg.args);
else if (window[msg.command])
window[msg.command].apply(window, msg.args);
else
throw new Error("Unknown command:" + msg.command);
}
else if (msg.init) {
window.initBaseUrls(msg.tlns);
sender = window.sender = window.initSender();
var clazz = this.require(msg.module)[msg.classname];
main = window.main = new clazz(sender);
}
};
})(this);
ace.define("ace/lib/oop",[], function(require, exports, module){"use strict";
exports.inherits = function (ctor, superCtor) {
ctor.super_ = superCtor;
ctor.prototype = Object.create(superCtor.prototype, {
constructor: {
value: ctor,
enumerable: false,
writable: true,
configurable: true
}
});
};
exports.mixin = function (obj, mixin) {
for (var key in mixin) {
obj[key] = mixin[key];
}
return obj;
};
exports.implement = function (proto, mixin) {
exports.mixin(proto, mixin);
};
});
ace.define("ace/apply_delta",[], function(require, exports, module){"use strict";
function throwDeltaError(delta, errorText) {
console.log("Invalid Delta:", delta);
throw "Invalid Delta: " + errorText;
}
function positionInDocument(docLines, position) {
return position.row >= 0 && position.row < docLines.length &&
position.column >= 0 && position.column <= docLines[position.row].length;
}
function validateDelta(docLines, delta) {
if (delta.action != "insert" && delta.action != "remove")
throwDeltaError(delta, "delta.action must be 'insert' or 'remove'");
if (!(delta.lines instanceof Array))
throwDeltaError(delta, "delta.lines must be an Array");
if (!delta.start || !delta.end)
throwDeltaError(delta, "delta.start/end must be an present");
var start = delta.start;
if (!positionInDocument(docLines, delta.start))
throwDeltaError(delta, "delta.start must be contained in document");
var end = delta.end;
if (delta.action == "remove" && !positionInDocument(docLines, end))
throwDeltaError(delta, "delta.end must contained in document for 'remove' actions");
var numRangeRows = end.row - start.row;
var numRangeLastLineChars = (end.column - (numRangeRows == 0 ? start.column : 0));
if (numRangeRows != delta.lines.length - 1 || delta.lines[numRangeRows].length != numRangeLastLineChars)
throwDeltaError(delta, "delta.range must match delta lines");
}
exports.applyDelta = function (docLines, delta, doNotValidate) {
var row = delta.start.row;
var startColumn = delta.start.column;
var line = docLines[row] || "";
switch (delta.action) {
case "insert":
var lines = delta.lines;
if (lines.length === 1) {
docLines[row] = line.substring(0, startColumn) + delta.lines[0] + line.substring(startColumn);
}
else {
var args = [row, 1].concat(delta.lines);
docLines.splice.apply(docLines, args);
docLines[row] = line.substring(0, startColumn) + docLines[row];
docLines[row + delta.lines.length - 1] += line.substring(startColumn);
}
break;
case "remove":
var endColumn = delta.end.column;
var endRow = delta.end.row;
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;
}
};
});
ace.define("ace/lib/event_emitter",[], 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;
this.on(eventName, function newCallback() {
_self.off(eventName, newCallback);
callback.apply(null, arguments);
});
if (!callback) {
return new Promise(function (resolve) {
callback = resolve;
});
}
};
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) {
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 (!eventName)
this._eventRegistry = this._defaultHandlers = undefined;
if (this._eventRegistry)
this._eventRegistry[eventName] = undefined;
if (this._defaultHandlers)
this._defaultHandlers[eventName] = undefined;
};
exports.EventEmitter = EventEmitter;
});
ace.define("ace/range",[], function(require, exports, module){"use strict";
var comparePoints = function (p1, p2) {
return p1.row - p2.row || p1.column - p2.column;
};
var Range = function (startRow, startColumn, endRow, endColumn) {
this.start = {
row: startRow,
column: startColumn
};
this.end = {
row: endRow,
column: endColumn
};
};
(function () {
this.isEqual = function (range) {
return this.start.row === range.start.row &&
this.end.row === range.end.row &&
this.start.column === range.start.column &&
this.end.column === range.end.column;
};
this.toString = function () {
return ("Range: [" + this.start.row + "/" + this.start.column +
"] -> [" + this.end.row + "/" + this.end.column + "]");
};
this.contains = function (row, column) {
return this.compare(row, column) == 0;
};
this.compareRange = function (range) {
var cmp, end = range.end, start = range.start;
cmp = this.compare(end.row, end.column);
if (cmp == 1) {
cmp = this.compare(start.row, start.column);
if (cmp == 1) {
return 2;
}
else if (cmp == 0) {
return 1;
}
else {
return 0;
}
}
else if (cmp == -1) {
return -2;
}
else {
cmp = this.compare(start.row, start.column);
if (cmp == -1) {
return -1;
}
else if (cmp == 1) {
return 42;
}
else {
return 0;
}
}
};
this.comparePoint = function (p) {
return this.compare(p.row, p.column);
};
this.containsRange = function (range) {
return this.comparePoint(range.start) == 0 && this.comparePoint(range.end) == 0;
};
this.intersects = function (range) {
var cmp = this.compareRange(range);
return (cmp == -1 || cmp == 0 || cmp == 1);
};
this.isEnd = function (row, column) {
return this.end.row == row && this.end.column == column;
};
this.isStart = function (row, column) {
return this.start.row == row && this.start.column == column;
};
this.setStart = function (row, column) {
if (typeof row == "object") {
this.start.column = row.column;
this.start.row = row.row;
}
else {
this.start.row = row;
this.start.column = column;
}
};
this.setEnd = function (row, column) {
if (typeof row == "object") {
this.end.column = row.column;
this.end.row = row.row;
}
else {
this.end.row = row;
this.end.column = column;
}
};
this.inside = function (row, column) {
if (this.compare(row, column) == 0) {
if (this.isEnd(row, column) || this.isStart(row, column)) {
return false;
}
else {
return true;
}
}
return false;
};
this.insideStart = function (row, column) {
if (this.compare(row, column) == 0) {
if (this.isEnd(row, column)) {
return false;
}
else {
return true;
}
}
return false;
};
this.insideEnd = function (row, column) {
if (this.compare(row, column) == 0) {
if (this.isStart(row, column)) {
return false;
}
else {
return true;
}
}
return false;
};
this.compare = function (row, column) {
if (!this.isMultiLine()) {
if (row === this.start.row) {
return column < this.start.column ? -1 : (column > this.end.column ? 1 : 0);
}
}
if (row < this.start.row)
return -1;
if (row > this.end.row)
return 1;
if (this.start.row === row)
return column >= this.start.column ? 0 : -1;
if (this.end.row === row)
return column <= this.end.column ? 0 : 1;
return 0;
};
this.compareStart = function (row, column) {
if (this.start.row == row && this.start.column == column) {
return -1;
}
else {
return this.compare(row, column);
}
};
this.compareEnd = function (row, column) {
if (this.end.row == row && this.end.column == column) {
return 1;
}
else {
return this.compare(row, column);
}
};
this.compareInside = function (row, column) {
if (this.end.row == row && this.end.column == column) {
return 1;
}
else if (this.start.row == row && this.start.column == column) {
return -1;
}
else {
return this.compare(row, column);
}
};
this.clipRows = function (firstRow, lastRow) {
if (this.end.row > lastRow)
var end = { row: lastRow + 1, column: 0 };
else if (this.end.row < firstRow)
var end = { row: firstRow, column: 0 };
if (this.start.row > lastRow)
var start = { row: lastRow + 1, column: 0 };
else if (this.start.row < firstRow)
var start = { row: firstRow, column: 0 };
return Range.fromPoints(start || this.start, end || this.end);
};
this.extend = function (row, column) {
var cmp = this.compare(row, column);
if (cmp == 0)
return this;
else if (cmp == -1)
var start = { row: row, column: column };
else
var end = { row: row, column: column };
return Range.fromPoints(start || this.start, end || this.end);
};
this.isEmpty = function () {
return (this.start.row === this.end.row && this.start.column === this.end.column);
};
this.isMultiLine = function () {
return (this.start.row !== this.end.row);
};
this.clone = function () {
return Range.fromPoints(this.start, this.end);
};
this.collapseRows = function () {
if (this.end.column == 0)
return new Range(this.start.row, 0, Math.max(this.start.row, this.end.row - 1), 0);
else
return new Range(this.start.row, 0, this.end.row, 0);
};
this.toScreenRange = function (session) {
var screenPosStart = session.documentToScreenPosition(this.start);
var screenPosEnd = session.documentToScreenPosition(this.end);
return new Range(screenPosStart.row, screenPosStart.column, screenPosEnd.row, screenPosEnd.column);
};
this.moveBy = function (row, column) {
this.start.row += row;
this.start.column += column;
this.end.row += row;
this.end.column += column;
};
}).call(Range.prototype);
Range.fromPoints = function (start, end) {
return new Range(start.row, start.column, end.row, end.column);
};
Range.comparePoints = comparePoints;
Range.comparePoints = function (p1, p2) {
return p1.row - p2.row || p1.column - p2.column;
};
exports.Range = Range;
});
ace.define("ace/anchor",[], 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.off("change", this.$onChange);
};
this.attach = function (doc) {
this.document = doc || this.document;
this.document.on("change", this.$onChange);
};
this.$clipPositionToDocument = function (row, column) {
var pos = {};
if (row >= this.document.getLength()) {
pos.row = Math.max(0, this.document.getLength() - 1);
pos.column = this.document.getLine(pos.row).length;
}
else if (row < 0) {
pos.row = 0;
pos.column = 0;
}
else {
pos.row = row;
pos.column = Math.min(this.document.getLine(pos.row).length, Math.max(0, column));
}
if (column < 0)
pos.column = 0;
return pos;
};
}).call(Anchor.prototype);
});
ace.define("ace/document",[], function(require, exports, module){"use strict";
var oop = require("./lib/oop");
var applyDelta = require("./apply_delta").applyDelta;
var EventEmitter = require("./lib/event_emitter").EventEmitter;
var Range = require("./range").Range;
var Anchor = require("./anchor").Anchor;
var Document = function (textOrLines) {
this.$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.$splitAndapplyLargeDelta(delta, 20000);
}
else {
applyDelta(this.$lines, delta, doNotValidate);
this._signal("change", delta);
}
};
this.$safeApplyDelta = function (delta) {
var docLength = this.$lines.length;
if (delta.action == "remove" && delta.start.row < docLength && delta.end.row < docLength
|| delta.action == "insert" && delta.start.row <= docLength) {
this.applyDelta(delta);
}
};
this.$splitAndapplyLargeDelta = function (delta, MAX) {
var lines = delta.lines;
var l = lines.length - MAX + 1;
var row = delta.start.row;
var column = delta.start.column;
for (var from = 0, to = 0; from < l; from = to) {
to += MAX - 1;
var chunk = lines.slice(from, to);
chunk.push("");
this.applyDelta({
start: this.pos(row + from, column),
end: this.pos(row + to, column = 0),
action: delta.action,
lines: chunk
}, true);
}
delta.lines = lines.slice(from);
delta.start.row = row + from;
delta.start.column = column;
this.applyDelta(delta, true);
};
this.revertDelta = function (delta) {
this.$safeApplyDelta({
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.$lines || this.getAllLines();
var newlineLength = this.getNewLineCharacter().length;
for (var i = startRow || 0, l = lines.length; i < l; i++) {
index -= lines[i].length + newlineLength;
if (index < 0)
return { row: i, column: index + lines[i].length + newlineLength };
}
return { row: l - 1, column: index + lines[l - 1].length + newlineLength };
};
this.positionToIndex = function (pos, startRow) {
var lines = this.$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;
});
ace.define("ace/lib/lang",[], 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, "&#38;").replace(/"/g, "&#34;").replace(/'/g, "&#39;").replace(/</g, "&#60;");
};
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;
};
});
ace.define("ace/worker/mirror",[], function(require, exports, module) {
"use strict";
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) {
var d, err;
if (Array.isArray(data[i+1])) {
d = {action: "insert", start: data[i], lines: data[i+1]};
} else {
d = {action: "remove", start: data[i], end: data[i+1]};
}
if ((d.action == "insert" ? d.start : d.end).row >= doc.$lines.length) {
err = new Error("Invalid delta");
err.data = {
path: _self.$path,
linesLength: doc.$lines.length,
start: d.start,
end: d.end
};
throw err;
}
doc.applyDelta(d, true);
}
}
if (_self.$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);
});
ace.define("ace/mode/lua/luaparse",[], function(require, exports, module) {
(function (root, name, factory) {
factory(exports)
}(this, 'luaparse', function (exports) {
'use strict';
exports.version = "0.3.1";
var input, options, length, features, encodingMode;
var defaultOptions = exports.defaultOptions = {
wait: false
, comments: true
, scope: false
, locations: false
, ranges: false
, onCreateNode: null
, onCreateScope: null
, onDestroyScope: null
, onLocalDeclaration: null
, luaVersion: '5.3'
, encodingMode: 'none'
};
function encodeUTF8(codepoint, highMask) {
highMask = highMask || 0;
if (codepoint < 0x80) {
return String.fromCharCode(codepoint);
} else if (codepoint < 0x800) {
return String.fromCharCode(
highMask | 0xc0 | (codepoint >> 6) ,
highMask | 0x80 | ( codepoint & 0x3f)
);
} else if (codepoint < 0x10000) {
return String.fromCharCode(
highMask | 0xe0 | (codepoint >> 12) ,
highMask | 0x80 | ((codepoint >> 6) & 0x3f),
highMask | 0x80 | ( codepoint & 0x3f)
);
} else /* istanbul ignore else */ if (codepoint < 0x110000) {
return String.fromCharCode(
highMask | 0xf0 | (codepoint >> 18) ,
highMask | 0x80 | ((codepoint >> 12) & 0x3f),
highMask | 0x80 | ((codepoint >> 6) & 0x3f),
highMask | 0x80 | ( codepoint & 0x3f)
);
} else {
return null;
}
}
function toHex(num, digits) {
var result = num.toString(16);
while (result.length < digits)
result = '0' + result;
return result;
}
function checkChars(rx) {
return function (s) {
var m = rx.exec(s);
if (!m)
return s;
raise(null, errors.invalidCodeUnit, toHex(m[0].charCodeAt(0), 4).toUpperCase());
};
}
var encodingModes = {
'pseudo-latin1': {
fixup: checkChars(/[^\x00-\xff]/),
encodeByte: function (value) {
if (value === null)
return '';
return String.fromCharCode(value);
},
encodeUTF8: function (codepoint) {
return encodeUTF8(codepoint);
},
},
'x-user-defined': {
fixup: checkChars(/[^\x00-\x7f\uf780-\uf7ff]/),
encodeByte: function (value) {
if (value === null)
return '';
if (value >= 0x80)
return String.fromCharCode(value | 0xf700);
return String.fromCharCode(value);
},
encodeUTF8: function (codepoint) {
return encodeUTF8(codepoint, 0xf700);
}
},
'none': {
discardStrings: true,
fixup: function (s) {
return s;
},
encodeByte: function (value) {
return '';
},
encodeUTF8: function (codepoint) {
return '';
}
}
};
var EOF = 1, StringLiteral = 2, Keyword = 4, Identifier = 8
, NumericLiteral = 16, Punctuator = 32, BooleanLiteral = 64
, NilLiteral = 128, VarargLiteral = 256;
exports.tokenTypes = { EOF: EOF, StringLiteral: StringLiteral
, Keyword: Keyword, Identifier: Identifier, NumericLiteral: NumericLiteral
, Punctuator: Punctuator, BooleanLiteral: BooleanLiteral
, NilLiteral: NilLiteral, VarargLiteral: VarargLiteral
};
var errors = exports.errors = {
unexpected: 'unexpected %1 \'%2\' near \'%3\''
, unexpectedEOF: 'unexpected symbol near \'<eof>\''
, expected: '\'%1\' expected near \'%2\''
, expectedToken: '%1 expected near \'%2\''
, unfinishedString: 'unfinished string near \'%1\''
, malformedNumber: 'malformed number near \'%1\''
, decimalEscapeTooLarge: 'decimal escape too large near \'%1\''
, invalidEscape: 'invalid escape sequence near \'%1\''
, hexadecimalDigitExpected: 'hexadecimal digit expected near \'%1\''
, braceExpected: 'missing \'%1\' near \'%2\''
, tooLargeCodepoint: 'UTF-8 value too large near \'%1\''
, unfinishedLongString: 'unfinished long string (starting at line %1) near \'%2\''
, unfinishedLongComment: 'unfinished long comment (starting at line %1) near \'%2\''
, ambiguousSyntax: 'ambiguous syntax (function call x new statement) near \'%1\''
, noLoopToBreak: 'no loop to break near \'%1\''
, labelAlreadyDefined: 'label \'%1\' already defined on line %2'
, labelNotVisible: 'no visible label \'%1\' for <goto>'
, gotoJumpInLocalScope: '<goto %1> jumps into the scope of local \'%2\''
, cannotUseVararg: 'cannot use \'...\' outside a vararg function near \'%1\''
, invalidCodeUnit: 'code unit U+%1 is not allowed in the current encoding mode'
};
var ast = exports.ast = {
labelStatement: function(label) {
return {
type: 'LabelStatement'
, label: label
};
}
, breakStatement: function() {
return {
type: 'BreakStatement'
};
}
, gotoStatement: function(label) {
return {
type: 'GotoStatement'
, label: label
};
}
, returnStatement: function(args) {
return {
type: 'ReturnStatement'
, 'arguments': args
};
}
, ifStatement: function(clauses) {
return {
type: 'IfStatement'
, clauses: clauses
};
}
, ifClause: function(condition, body) {
return {
type: 'IfClause'
, condition: condition
, body: body
};
}
, elseifClause: function(condition, body) {
return {
type: 'ElseifClause'
, condition: condition
, body: body
};
}
, elseClause: function(body) {
return {
type: 'ElseClause'
, body: body
};
}
, whileStatement: function(condition, body) {
return {
type: 'WhileStatement'
, condition: condition
, body: body
};
}
, doStatement: function(body) {
return {
type: 'DoStatement'
, body: body
};
}
, repeatStatement: function(condition, body) {
return {
type: 'RepeatStatement'
, condition: condition
, body: body
};
}
, localStatement: function(variables, init) {
return {
type: 'LocalStatement'
, variables: variables
, init: init
};
}
, assignmentStatement: function(variables, init) {
return {
type: 'AssignmentStatement'
, variables: variables
, init: init
};
}
, callStatement: function(expression) {
return {
type: 'CallStatement'
, expression: expression
};
}
, functionStatement: function(identifier, parameters, isLocal, body) {
return {
type: 'FunctionDeclaration'
, identifier: identifier
, isLocal: isLocal
, parameters: parameters
, body: body
};
}
, forNumericStatement: function(variable, start, end, step, body) {
return {
type: 'ForNumericStatement'
, variable: variable
, start: start
, end: end
, step: step
, body: body
};
}
, forGenericStatement: function(variables, iterators, body) {
return {
type: 'ForGenericStatement'
, variables: variables
, iterators: iterators
, body: body
};
}
, chunk: function(body) {
return {
type: 'Chunk'
, body: body
};
}
, identifier: function(name) {
return {
type: 'Identifier'
, name: name
};
}
, literal: function(type, value, raw) {
type = (type === StringLiteral) ? 'StringLiteral'
: (type === NumericLiteral) ? 'NumericLiteral'
: (type === BooleanLiteral) ? 'BooleanLiteral'
: (type === NilLiteral) ? 'NilLiteral'
: 'VarargLiteral';
return {
type: type
, value: value
, raw: raw
};
}
, tableKey: function(key, value) {
return {
type: 'TableKey'
, key: key
, value: value
};
}
, tableKeyString: function(key, value) {
return {
type: 'TableKeyString'
, key: key
, value: value
};
}
, tableValue: function(value) {
return {
type: 'TableValue'
, value: value
};
}
, tableConstructorExpression: function(fields) {
return {
type: 'TableConstructorExpression'
, fields: fields
};
}
, binaryExpression: function(operator, left, right) {
var type = ('and' === operator || 'or' === operator) ?
'LogicalExpression' :
'BinaryExpression';
return {
type: type
, operator: operator
, left: left
, right: right
};
}
, unaryExpression: function(operator, argument) {
return {
type: 'UnaryExpression'
, operator: operator
, argument: argument
};
}
, memberExpression: function(base, indexer, identifier) {
return {
type: 'MemberExpression'
, indexer: indexer
, identifier: identifier
, base: base
};
}
, indexExpression: function(base, index) {
return {
type: 'IndexExpression'
, base: base
, index: index
};
}
, callExpression: function(base, args) {
return {
type: 'CallExpression'
, base: base
, 'arguments': args
};
}
, tableCallExpression: function(base, args) {
return {
type: 'TableCallExpression'
, base: base
, 'arguments': args
};
}
, stringCallExpression: function(base, argument) {
return {
type: 'StringCallExpression'
, base: base
, argument: argument
};
}
, comment: function(value, raw) {
return {
type: 'Comment'
, value: value
, raw: raw
};
}
};
function finishNode(node) {
if (trackLocations) {
var location = locations.pop();
location.complete();
location.bless(node);
}
if (options.onCreateNode) options.onCreateNode(node);
return node;
}
var slice = Array.prototype.slice
, toString = Object.prototype.toString
;
var indexOf = /* istanbul ignore next */ function (array, element) {
for (var i = 0, length = array.length; i < length; ++i) {
if (array[i] === element) return i;
}
return -1;
};
if (Array.prototype.indexOf)
indexOf = function (array, element) {
return array.indexOf(element);
};
function indexOfObject(array, property, element) {
for (var i = 0, length = array.length; i < length; ++i) {
if (array[i][property] === element) return i;
}
return -1;
}
function sprintf(format) {
var args = slice.call(arguments, 1);
format = format.replace(/%(\d)/g, function (match, index) {
return '' + args[index - 1] || /* istanbul ignore next */ '';
});
return format;
}
var assign = /* istanbul ignore next */ function (dest) {
var args = slice.call(arguments, 1)
, src, prop;
for (var i = 0, length = args.length; i < length; ++i) {
src = args[i];
for (prop in src)
if (Object.prototype.hasOwnProperty.call(src, prop)) {
dest[prop] = src[prop];
}
}
return dest;
};
if (Object.assign)
assign = Object.assign;
exports.SyntaxError = SyntaxError;
function fixupError(e) {
if (!Object.create)
return e;
return Object.create(e, {
'line': { 'writable': true, value: e.line },
'index': { 'writable': true, value: e.index },
'column': { 'writable': true, value: e.column }
});
}
function raise(token) {
var message = sprintf.apply(null, slice.call(arguments, 1))
, error, col;
if (token === null || typeof token.line === 'undefined') {
col = index - lineStart + 1;
error = fixupError(new SyntaxError(sprintf('[%1:%2] %3', line, col, message)));
error.index = index;
error.line = line;
error.column = col;
} else {
col = token.range[0] - token.lineStart;
error = fixupError(new SyntaxError(sprintf('[%1:%2] %3', token.line, col, message)));
error.line = token.line;
error.index = token.range[0];
error.column = col;
}
throw error;
}
function tokenValue(token) {
var raw = input.slice(token.range[0], token.range[1]);
if (raw)
return raw;
return token.value;
}
function raiseUnexpectedToken(type, token) {
raise(token, errors.expectedToken, type, tokenValue(token));
}
function unexpected(found) {
var near = tokenValue(lookahead);
if ('undefined' !== typeof found.type) {
var type;
switch (found.type) {
case StringLiteral: type = 'string'; break;
case Keyword: type = 'keyword'; break;
case Identifier: type = 'identifier'; break;
case NumericLiteral: type = 'number'; break;
case Punctuator: type = 'symbol'; break;
case BooleanLiteral: type = 'boolean'; break;
case NilLiteral:
return raise(found, errors.unexpected, 'symbol', 'nil', near);
case EOF:
return raise(found, errors.unexpectedEOF);
}
return raise(found, errors.unexpected, type, tokenValue(found), near);
}
return raise(found, errors.unexpected, 'symbol', found, near);
}
var index
, token
, previousToken
, lookahead
, comments
, tokenStart
, line
, lineStart;
exports.lex = lex;
function lex() {
skipWhiteSpace();
while (45 === input.charCodeAt(index) &&
45 === input.charCodeAt(index + 1)) {
scanComment();
skipWhiteSpace();
}
if (index >= length) return {
type : EOF
, value: '<eof>'
, line: line
, lineStart: lineStart
, range: [index, index]
};
var charCode = input.charCodeAt(index)
, next = input.charCodeAt(index + 1);
tokenStart = index;
if (isIdentifierStart(charCode)) return scanIdentifierOrKeyword();
switch (charCode) {
case 39: case 34: // '"
return scanStringLiteral();
case 48: case 49: case 50: case 51: case 52: case 53:
case 54: case 55: case 56: case 57: // 0-9
return scanNumericLiteral();
case 46: // .
if (isDecDigit(next)) return scanNumericLiteral();
if (46 === next) {
if (46 === input.charCodeAt(index + 2)) return scanVarargLiteral();
return scanPunctuator('..');
}
return scanPunctuator('.');
case 61: // =
if (61 === next) return scanPunctuator('==');
return scanPunctuator('=');
case 62: // >
if (features.bitwiseOperators)
if (62 === next) return scanPunctuator('>>');
if (61 === next) return scanPunctuator('>=');
return scanPunctuator('>');
case 60: // <
if (features.bitwiseOperators)
if (60 === next) return scanPunctuator('<<');
if (61 === next) return scanPunctuator('<=');
return scanPunctuator('<');
case 126: // ~
if (61 === next) return scanPunctuator('~=');
if (!features.bitwiseOperators)
break;
return scanPunctuator('~');
case 58: // :
if (features.labels)
if (58 === next) return scanPunctuator('::');
return scanPunctuator(':');
case 91: // [
if (91 === next || 61 === next) return scanLongStringLiteral();
return scanPunctuator('[');
case 47: // /
if (features.integerDivision)
if (47 === next) return scanPunctuator('//');
return scanPunctuator('/');
case 38: case 124: // & |
if (!features.bitwiseOperators)
break;
case 42: case 94: case 37: case 44: case 123: case 125:
case 93: case 40: case 41: case 59: case 35: case 45:
case 43: // * ^ % , { } ] ( ) ; # - +
return scanPunctuator(input.charAt(index));
}
return unexpected(input.charAt(index));
}
function consumeEOL() {
var charCode = input.charCodeAt(index)
, peekCharCode = input.charCodeAt(index + 1);
if (isLineTerminator(charCode)) {
if (10 === charCode && 13 === peekCharCode) ++index;
if (13 === charCode && 10 === peekCharCode) ++index;
++line;
lineStart = ++index;
return true;
}
return false;
}
function skipWhiteSpace() {
while (index < length) {
var charCode = input.charCodeAt(index);
if (isWhiteSpace(charCode)) {
++index;
} else if (!consumeEOL()) {
break;
}
}
}
function scanIdentifierOrKeyword() {
var value, type;
while (isIdentifierPart(input.charCodeAt(++index)));
value = encodingMode.fixup(input.slice(tokenStart, index));
if (isKeyword(value)) {
type = Keyword;
} else if ('true' === value || 'false' === value) {
type = BooleanLiteral;
value = ('true' === value);
} else if ('nil' === value) {
type = NilLiteral;
value = null;
} else {
type = Identifier;
}
return {
type: type
, value: value
, line: line
, lineStart: lineStart
, range: [tokenStart, index]
};
}
function scanPunctuator(value) {
index += value.length;
return {
type: Punctuator
, value: value
, line: line
, lineStart: lineStart
, range: [tokenStart, index]
};
}
function scanVarargLiteral() {
index += 3;
return {
type: VarargLiteral
, value: '...'
, line: line
, lineStart: lineStart
, range: [tokenStart, index]
};
}
function scanStringLiteral() {
var delimiter = input.charCodeAt(index++)
, beginLine = line
, beginLineStart = lineStart
, stringStart = index
, string = encodingMode.discardStrings ? null : ''
, charCode;
for (;;) {
charCode = input.charCodeAt(index++);
if (delimiter === charCode) break;
if (index > length || isLineTerminator(charCode)) {
string += input.slice(stringStart, index - 1);
raise(null, errors.unfinishedString, input.slice(tokenStart, index - 1));
}
if (92 === charCode) { // backslash
if (!encodingMode.discardStrings) {
var beforeEscape = input.slice(stringStart, index - 1);
string += encodingMode.fixup(beforeEscape);
}
var escapeValue = readEscapeSequence();
if (!encodingMode.discardStrings)
string += escapeValue;
stringStart = index;
}
}
if (!encodingMode.discardStrings) {
string += encodingMode.encodeByte(null);
string += encodingMode.fixup(input.slice(stringStart, index - 1));
}
return {
type: StringLiteral
, value: string
, line: beginLine
, lineStart: beginLineStart
, lastLine: line
, lastLineStart: lineStart
, range: [tokenStart, index]
};
}
function scanLongStringLiteral() {
var beginLine = line
, beginLineStart = lineStart
, string = readLongString(false);
if (false === string) raise(token, errors.expected, '[', tokenValue(token));
return {
type: StringLiteral
, value: encodingMode.discardStrings ? null : encodingMode.fixup(string)
, line: beginLine
, lineStart: beginLineStart
, lastLine: line
, lastLineStart: lineStart
, range: [tokenStart, index]
};
}
function scanNumericLiteral() {
var character = input.charAt(index)
, next = input.charAt(index + 1);
var literal = ('0' === character && 'xX'.indexOf(next || null) >= 0) ?
readHexLiteral() : readDecLiteral();
var foundImaginaryUnit = readImaginaryUnitSuffix()
, foundInt64Suffix = readInt64Suffix();
if (foundInt64Suffix && (foundImaginaryUnit || literal.hasFractionPart)) {
raise(null, errors.malformedNumber, input.slice(tokenStart, index));
}
return {
type: NumericLiteral
, value: literal.value
, line: line
, lineStart: lineStart
, range: [tokenStart, index]
};
}
function readImaginaryUnitSuffix() {
if (!features.imaginaryNumbers) return;
if ('iI'.indexOf(input.charAt(index) || null) >= 0) {
++index;
return true;
} else {
return false;
}
}
function readInt64Suffix() {
if (!features.integerSuffixes) return;
if ('uU'.indexOf(input.charAt(index) || null) >= 0) {
++index;
if ('lL'.indexOf(input.charAt(index) || null) >= 0) {
++index;
if ('lL'.indexOf(input.charAt(index) || null) >= 0) {
++index;
return 'ULL';
} else {
raise(null, errors.malformedNumber, input.slice(tokenStart, index));
}
} else {
raise(null, errors.malformedNumber, input.slice(tokenStart, index));
}
} else if ('lL'.indexOf(input.charAt(index) || null) >= 0) {
++index;
if ('lL'.indexOf(input.charAt(index) || null) >= 0) {
++index;
return 'LL';
} else {
raise(null, errors.malformedNumber, input.slice(tokenStart, index));
}
}
}
function readHexLiteral() {
var fraction = 0 // defaults to 0 as it gets summed
, binaryExponent = 1 // defaults to 1 as it gets multiplied
, binarySign = 1 // positive
, digit, fractionStart, exponentStart, digitStart;
digitStart = index += 2; // Skip 0x part
if (!isHexDigit(input.charCodeAt(index)))
raise(null, errors.malformedNumber, input.slice(tokenStart, index));
while (isHexDigit(input.charCodeAt(index))) ++index;
digit = parseInt(input.slice(digitStart, index), 16);
var foundFraction = false;
if ('.' === input.charAt(index)) {
foundFraction = true;
fractionStart = ++index;
while (isHexDigit(input.charCodeAt(index))) ++index;
fraction = input.slice(fractionStart, index);
fraction = (fractionStart === index) ? 0
: parseInt(fraction, 16) / Math.pow(16, index - fractionStart);
}
var foundBinaryExponent = false;
if ('pP'.indexOf(input.charAt(index) || null) >= 0) {
foundBinaryExponent = true;
++index;
if ('+-'.indexOf(input.charAt(index) || null) >= 0)
binarySign = ('+' === input.charAt(index++)) ? 1 : -1;
exponentStart = index;
if (!isDecDigit(input.charCodeAt(index)))
raise(null, errors.malformedNumber, input.slice(tokenStart, index));
while (isDecDigit(input.charCodeAt(index))) ++index;
binaryExponent = input.slice(exponentStart, index);
binaryExponent = Math.pow(2, binaryExponent * binarySign);
}
return {
value: (digit + fraction) * binaryExponent,
hasFractionPart: foundFraction || foundBinaryExponent
};
}
function readDecLiteral() {
while (isDecDigit(input.charCodeAt(index))) ++index;
var foundFraction = false;
if ('.' === input.charAt(index)) {
foundFraction = true;
++index;
while (isDecDigit(input.charCodeAt(index))) ++index;
}
var foundExponent = false;
if ('eE'.indexOf(input.charAt(index) || null) >= 0) {
foundExponent = true;
++index;
if ('+-'.indexOf(input.charAt(index) || null) >= 0) ++index;
if (!isDecDigit(input.charCodeAt(index)))
raise(null, errors.malformedNumber, input.slice(tokenStart, index));
while (isDecDigit(input.charCodeAt(index))) ++index;
}
return {
value: parseFloat(input.slice(tokenStart, index)),
hasFractionPart: foundFraction || foundExponent
};
}
function readUnicodeEscapeSequence() {
var sequenceStart = index++;
if (input.charAt(index++) !== '{')
raise(null, errors.braceExpected, '{', '\\' + input.slice(sequenceStart, index));
if (!isHexDigit(input.charCodeAt(index)))
raise(null, errors.hexadecimalDigitExpected, '\\' + input.slice(sequenceStart, index));
while (input.charCodeAt(index) === 0x30) ++index;
var escStart = index;
while (isHexDigit(input.charCodeAt(index))) {
++index;
if (index - escStart > 6)
raise(null, errors.tooLargeCodepoint, '\\' + input.slice(sequenceStart, index));
}
var b = input.charAt(index++);
if (b !== '}') {
if ((b === '"') || (b === "'"))
raise(null, errors.braceExpected, '}', '\\' + input.slice(sequenceStart, index--));
else
raise(null, errors.hexadecimalDigitExpected, '\\' + input.slice(sequenceStart, index));
}
var codepoint = parseInt(input.slice(escStart, index - 1) || '0', 16);
var frag = '\\' + input.slice(sequenceStart, index);
if (codepoint > 0x10ffff) {
raise(null, errors.tooLargeCodepoint, frag);
}
return encodingMode.encodeUTF8(codepoint, frag);
}
function readEscapeSequence() {
var sequenceStart = index;
switch (input.charAt(index)) {
case 'a': ++index; return '\x07';
case 'n': ++index; return '\n';
case 'r': ++index; return '\r';
case 't': ++index; return '\t';
case 'v': ++index; return '\x0b';
case 'b': ++index; return '\b';
case 'f': ++index; return '\f';
case '\r':
case '\n':
consumeEOL();
return '\n';
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
while (isDecDigit(input.charCodeAt(index)) && index - sequenceStart < 3) ++index;
var frag = input.slice(sequenceStart, index);
var ddd = parseInt(frag, 10);
if (ddd > 255) {
raise(null, errors.decimalEscapeTooLarge, '\\' + ddd);
}
return encodingMode.encodeByte(ddd, '\\' + frag);
case 'z':
if (features.skipWhitespaceEscape) {
++index;
skipWhiteSpace();
return '';
}
break;
case 'x':
if (features.hexEscapes) {
if (isHexDigit(input.charCodeAt(index + 1)) &&
isHexDigit(input.charCodeAt(index + 2))) {
index += 3;
return encodingMode.encodeByte(parseInt(input.slice(sequenceStart + 1, index), 16), '\\' + input.slice(sequenceStart, index));
}
raise(null, errors.hexadecimalDigitExpected, '\\' + input.slice(sequenceStart, index + 2));
}
break;
case 'u':
if (features.unicodeEscapes)
return readUnicodeEscapeSequence();
break;
case '\\': case '"': case "'":
return input.charAt(index++);
}
if (features.strictEscapes)
raise(null, errors.invalidEscape, '\\' + input.slice(sequenceStart, index + 1));
return input.charAt(index++);
}
function scanComment() {
tokenStart = index;
index += 2; // --
var character = input.charAt(index)
, content = ''
, isLong = false
, commentStart = index
, lineStartComment = lineStart
, lineComment = line;
if ('[' === character) {
content = readLongString(true);
if (false === content) content = character;
else isLong = true;
}
if (!isLong) {
while (index < length) {
if (isLineTerminator(input.charCodeAt(index))) break;
++index;
}
if (options.comments) content = input.slice(commentStart, index);
}
if (options.comments) {
var node = ast.comment(content, input.slice(tokenStart, index));
if (options.locations) {
node.loc = {
start: { line: lineComment, column: tokenStart - lineStartComment }
, end: { line: line, column: index - lineStart }
};
}
if (options.ranges) {
node.range = [tokenStart, index];
}
if (options.onCreateNode) options.onCreateNode(node);
comments.push(node);
}
}
function readLongString(isComment) {
var level = 0
, content = ''
, terminator = false
, character, stringStart, firstLine = line;
++index; // [
while ('=' === input.charAt(index + level)) ++level;
if ('[' !== input.charAt(index + level)) return false;
index += level + 1;
if (isLineTerminator(input.charCodeAt(index))) consumeEOL();
stringStart = index;
while (index < length) {
while (isLineTerminator(input.charCodeAt(index))) consumeEOL();
character = input.charAt(index++);
if (']' === character) {
terminator = true;
for (var i = 0; i < level; ++i) {
if ('=' !== input.charAt(index + i)) terminator = false;
}
if (']' !== input.charAt(index + level)) terminator = false;
}
if (terminator) {
content += input.slice(stringStart, index - 1);
index += level + 1;
return content;
}
}
raise(null, isComment ?
errors.unfinishedLongComment :
errors.unfinishedLongString,
firstLine, '<eof>');
}
function next() {
previousToken = token;
token = lookahead;
lookahead = lex();
}
function consume(value) {
if (value === token.value) {
next();
return true;
}
return false;
}
function expect(value) {
if (value === token.value) next();
else raise(token, errors.expected, value, tokenValue(token));
}
function isWhiteSpace(charCode) {
return 9 === charCode || 32 === charCode || 0xB === charCode || 0xC === charCode;
}
function isLineTerminator(charCode) {
return 10 === charCode || 13 === charCode;
}
function isDecDigit(charCode) {
return charCode >= 48 && charCode <= 57;
}
function isHexDigit(charCode) {
return (charCode >= 48 && charCode <= 57) || (charCode >= 97 && charCode <= 102) || (charCode >= 65 && charCode <= 70);
}
function isIdentifierStart(charCode) {
if ((charCode >= 65 && charCode <= 90) || (charCode >= 97 && charCode <= 122) || 95 === charCode)
return true;
if (features.extendedIdentifiers && charCode >= 128)
return true;
return false;
}
function isIdentifierPart(charCode) {
if ((charCode >= 65 && charCode <= 90) || (charCode >= 97 && charCode <= 122) || 95 === charCode || (charCode >= 48 && charCode <= 57))
return true;
if (features.extendedIdentifiers && charCode >= 128)
return true;
return false;
}
function isKeyword(id) {
switch (id.length) {
case 2:
return 'do' === id || 'if' === id || 'in' === id || 'or' === id;
case 3:
return 'and' === id || 'end' === id || 'for' === id || 'not' === id;
case 4:
if ('else' === id || 'then' === id)
return true;
if (features.labels && !features.contextualGoto)
return ('goto' === id);
return false;
case 5:
return 'break' === id || 'local' === id || 'until' === id || 'while' === id;
case 6:
return 'elseif' === id || 'repeat' === id || 'return' === id;
case 8:
return 'function' === id;
}
return false;
}
function isUnary(token) {
if (Punctuator === token.type) return '#-~'.indexOf(token.value) >= 0;
if (Keyword === token.type) return 'not' === token.value;
return false;
}
function isBlockFollow(token) {
if (EOF === token.type) return true;
if (Keyword !== token.type) return false;
switch (token.value) {
case 'else': case 'elseif':
case 'end': case 'until':
return true;
default:
return false;
}
}
var scopes
, scopeDepth
, globals;
function createScope() {
var scope = scopes[scopeDepth++].slice();
scopes.push(scope);
if (options.onCreateScope) options.onCreateScope();
}
function destroyScope() {
var scope = scopes.pop();
--scopeDepth;
if (options.onDestroyScope) options.onDestroyScope();
}
function scopeIdentifierName(name) {
if (options.onLocalDeclaration) options.onLocalDeclaration(name);
if (-1 !== indexOf(scopes[scopeDepth], name)) return;
scopes[scopeDepth].push(name);
}
function scopeIdentifier(node) {
scopeIdentifierName(node.name);
attachScope(node, true);
}
function attachScope(node, isLocal) {
if (!isLocal && -1 === indexOfObject(globals, 'name', node.name))
globals.push(node);
node.isLocal = isLocal;
}
function scopeHasName(name) {
return (-1 !== indexOf(scopes[scopeDepth], name));
}
var locations = []
, trackLocations;
function createLocationMarker() {
return new Marker(token);
}
function Marker(token) {
if (options.locations) {
this.loc = {
start: {
line: token.line
, column: token.range[0] - token.lineStart
}
, end: {
line: 0
, column: 0
}
};
}
if (options.ranges) this.range = [token.range[0], 0];
}
Marker.prototype.complete = function() {
if (options.locations) {
this.loc.end.line = previousToken.lastLine || previousToken.line;
this.loc.end.column = previousToken.range[1] - (previousToken.lastLineStart || previousToken.lineStart);
}
if (options.ranges) {
this.range[1] = previousToken.range[1];
}
};
Marker.prototype.bless = function (node) {
if (this.loc) {
var loc = this.loc;
node.loc = {
start: {
line: loc.start.line,
column: loc.start.column
},
end: {
line: loc.end.line,
column: loc.end.column
}
};
}
if (this.range) {
node.range = [
this.range[0],
this.range[1]
];
}
};
function markLocation() {
if (trackLocations) locations.push(createLocationMarker());
}
function pushLocation(marker) {
if (trackLocations) locations.push(marker);
}
function FullFlowContext() {
this.scopes = [];
this.pendingGotos = [];
}
FullFlowContext.prototype.isInLoop = function () {
var i = this.scopes.length;
while (i --> 0) {
if (this.scopes[i].isLoop)
return true;
}
return false;
};
FullFlowContext.prototype.pushScope = function (isLoop) {
var scope = {
labels: {},
locals: [],
deferredGotos: [],
isLoop: !!isLoop
};
this.scopes.push(scope);
};
FullFlowContext.prototype.popScope = function () {
for (var i = 0; i < this.pendingGotos.length; ++i) {
var theGoto = this.pendingGotos[i];
if (theGoto.maxDepth >= this.scopes.length)
if (--theGoto.maxDepth <= 0)
raise(theGoto.token, errors.labelNotVisible, theGoto.target);
}
this.scopes.pop();
};
FullFlowContext.prototype.addGoto = function (target, token) {
var localCounts = [];
for (var i = 0; i < this.scopes.length; ++i) {
var scope = this.scopes[i];
localCounts.push(scope.locals.length);
if (Object.prototype.hasOwnProperty.call(scope.labels, target))
return;
}
this.pendingGotos.push({
maxDepth: this.scopes.length,
target: target,
token: token,
localCounts: localCounts
});
};
FullFlowContext.prototype.addLabel = function (name, token) {
var scope = this.currentScope();
if (Object.prototype.hasOwnProperty.call(scope.labels, name)) {
raise(token, errors.labelAlreadyDefined, name, scope.labels[name].line);
} else {
var newGotos = [];
for (var i = 0; i < this.pendingGotos.length; ++i) {
var theGoto = this.pendingGotos[i];
if (theGoto.maxDepth >= this.scopes.length && theGoto.target === name) {
if (theGoto.localCounts[this.scopes.length - 1] < scope.locals.length) {
scope.deferredGotos.push(theGoto);
}
continue;
}
newGotos.push(theGoto);
}
this.pendingGotos = newGotos;
}
scope.labels[name] = {
localCount: scope.locals.length,
line: token.line
};
};
FullFlowContext.prototype.addLocal = function (name, token) {
this.currentScope().locals.push({
name: name,
token: token
});
};
FullFlowContext.prototype.currentScope = function () {
return this.scopes[this.scopes.length - 1];
};
FullFlowContext.prototype.raiseDeferredErrors = function () {
var scope = this.currentScope();
var bads = scope.deferredGotos;
for (var i = 0; i < bads.length; ++i) {
var theGoto = bads[i];
raise(theGoto.token, errors.gotoJumpInLocalScope, theGoto.target, scope.locals[theGoto.localCounts[this.scopes.length - 1]].name);
}
};
function LoopFlowContext() {
this.level = 0;
this.loopLevels = [];
}
LoopFlowContext.prototype.isInLoop = function () {
return !!this.loopLevels.length;
};
LoopFlowContext.prototype.pushScope = function (isLoop) {
++this.level;
if (isLoop)
this.loopLevels.push(this.level);
};
LoopFlowContext.prototype.popScope = function () {
var levels = this.loopLevels;
var levlen = levels.length;
if (levlen) {
if (levels[levlen - 1] === this.level)
levels.pop();
}
--this.level;
};
LoopFlowContext.prototype.addGoto =
LoopFlowContext.prototype.addLabel =
function () { throw new Error('This should never happen'); };
LoopFlowContext.prototype.addLocal =
LoopFlowContext.prototype.raiseDeferredErrors =
function () {};
function makeFlowContext() {
return features.labels ? new FullFlowContext() : new LoopFlowContext();
}
function parseChunk() {
next();
markLocation();
if (options.scope) createScope();
var flowContext = makeFlowContext();
flowContext.allowVararg = true;
flowContext.pushScope();
var body = parseBlock(flowContext);
flowContext.popScope();
if (options.scope) destroyScope();
if (EOF !== token.type) unexpected(token);
if (trackLocations && !body.length) previousToken = token;
return finishNode(ast.chunk(body));
}
function parseBlock(flowContext) {
var block = []
, statement;
while (!isBlockFollow(token)) {
if ('return' === token.value || (!features.relaxedBreak && 'break' === token.value)) {
block.push(parseStatement(flowContext));
break;
}
statement = parseStatement(flowContext);
consume(';');
if (statement) block.push(statement);
}
return block;
}
function parseStatement(flowContext) {
markLocation();
if (Punctuator === token.type) {
if (consume('::')) return parseLabelStatement(flowContext);
}
if (features.emptyStatement) {
if (consume(';')) {
if (trackLocations) locations.pop();
return;
}
}
flowContext.raiseDeferredErrors();
if (Keyword === token.type) {
switch (token.value) {
case 'local': next(); return parseLocalStatement(flowContext);
case 'if': next(); return parseIfStatement(flowContext);
case 'return': next(); return parseReturnStatement(flowContext);
case 'function': next();
var name = parseFunctionName();
return parseFunctionDeclaration(name);
case 'while': next(); return parseWhileStatement(flowContext);
case 'for': next(); return parseForStatement(flowContext);
case 'repeat': next(); return parseRepeatStatement(flowContext);
case 'break': next();
if (!flowContext.isInLoop())
raise(token, errors.noLoopToBreak, token.value);
return parseBreakStatement();
case 'do': next(); return parseDoStatement(flowContext);
case 'goto': next(); return parseGotoStatement(flowContext);
}
}
if (features.contextualGoto &&
token.type === Identifier && token.value === 'goto' &&
lookahead.type === Identifier && lookahead.value !== 'goto') {
next(); return parseGotoStatement(flowContext);
}
if (trackLocations) locations.pop();
return parseAssignmentOrCallStatement(flowContext);
}
function parseLabelStatement(flowContext) {
var nameToken = token
, label = parseIdentifier();
if (options.scope) {
scopeIdentifierName('::' + nameToken.value + '::');
attachScope(label, true);
}
expect('::');
flowContext.addLabel(nameToken.value, nameToken);
return finishNode(ast.labelStatement(label));
}
function parseBreakStatement() {
return finishNode(ast.breakStatement());
}
function parseGotoStatement(flowContext) {
var name = token.value
, gotoToken = previousToken
, label = parseIdentifier();
flowContext.addGoto(name, gotoToken);
return finishNode(ast.gotoStatement(label));
}
function parseDoStatement(flowContext) {
if (options.scope) createScope();
flowContext.pushScope();
var body = parseBlock(flowContext);
flowContext.popScope();
if (options.scope) destroyScope();
expect('end');
return finishNode(ast.doStatement(body));
}
function parseWhileStatement(flowContext) {
var condition = parseExpectedExpression(flowContext);
expect('do');
if (options.scope) createScope();
flowContext.pushScope(true);
var body = parseBlock(flowContext);
flowContext.popScope();
if (options.scope) destroyScope();
expect('end');
return finishNode(ast.whileStatement(condition, body));
}
function parseRepeatStatement(flowContext) {
if (options.scope) createScope();
flowContext.pushScope(true);
var body = parseBlock(flowContext);
expect('until');
flowContext.raiseDeferredErrors();
var condition = parseExpectedExpression(flowContext);
flowContext.popScope();
if (options.scope) destroyScope();
return finishNode(ast.repeatStatement(condition, body));
}
function parseReturnStatement(flowContext) {
var expressions = [];
if ('end' !== token.value) {
var expression = parseExpression(flowContext);
if (null != expression) expressions.push(expression);
while (consume(',')) {
expression = parseExpectedExpression(flowContext);
expressions.push(expression);
}
consume(';'); // grammar tells us ; is optional here.
}
return finishNode(ast.returnStatement(expressions));
}
function parseIfStatement(flowContext) {
var clauses = []
, condition
, body
, marker;
if (trackLocations) {
marker = locations[locations.length - 1];
locations.push(marker);
}
condition = parseExpectedExpression(flowContext);
expect('then');
if (options.scope) createScope();
flowContext.pushScope();
body = parseBlock(flowContext);
flowContext.popScope();
if (options.scope) destroyScope();
clauses.push(finishNode(ast.ifClause(condition, body)));
if (trackLocations) marker = createLocationMarker();
while (consume('elseif')) {
pushLocation(marker);
condition = parseExpectedExpression(flowContext);
expect('then');
if (options.scope) createScope();
flowContext.pushScope();
body = parseBlock(flowContext);
flowContext.popScope();
if (options.scope) destroyScope();
clauses.push(finishNode(ast.elseifClause(condition, body)));
if (trackLocations) marker = createLocationMarker();
}
if (consume('else')) {
if (trackLocations) {
marker = new Marker(previousToken);
locations.push(marker);
}
if (options.scope) createScope();
flowContext.pushScope();
body = parseBlock(flowContext);
flowContext.popScope();
if (options.scope) destroyScope();
clauses.push(finishNode(ast.elseClause(body)));
}
expect('end');
return finishNode(ast.ifStatement(clauses));
}
function parseForStatement(flowContext) {
var variable = parseIdentifier()
, body;
if (options.scope) {
createScope();
scopeIdentifier(variable);
}
if (consume('=')) {
var start = parseExpectedExpression(flowContext);
expect(',');
var end = parseExpectedExpression(flowContext);
var step = consume(',') ? parseExpectedExpression(flowContext) : null;
expect('do');
flowContext.pushScope(true);
body = parseBlock(flowContext);
flowContext.popScope();
expect('end');
if (options.scope) destroyScope();
return finishNode(ast.forNumericStatement(variable, start, end, step, body));
}
else {
var variables = [variable];
while (consume(',')) {
variable = parseIdentifier();
if (options.scope) scopeIdentifier(variable);
variables.push(variable);
}
expect('in');
var iterators = [];
do {
var expression = parseExpectedExpression(flowContext);
iterators.push(expression);
} while (consume(','));
expect('do');
flowContext.pushScope(true);
body = parseBlock(flowContext);
flowContext.popScope();
expect('end');
if (options.scope) destroyScope();
return finishNode(ast.forGenericStatement(variables, iterators, body));
}
}
function parseLocalStatement(flowContext) {
var name
, declToken = previousToken;
if (Identifier === token.type) {
var variables = []
, init = [];
do {
name = parseIdentifier();
variables.push(name);
flowContext.addLocal(name.name, declToken);
} while (consume(','));
if (consume('=')) {
do {
var expression = parseExpectedExpression(flowContext);
init.push(expression);
} while (consume(','));
}
if (options.scope) {
for (var i = 0, l = variables.length; i < l; ++i) {
scopeIdentifier(variables[i]);
}
}
return finishNode(ast.localStatement(variables, init));
}
if (consume('function')) {
name = parseIdentifier();
flowContext.addLocal(name.name, declToken);
if (options.scope) {
scopeIdentifier(name);
createScope();
}
return parseFunctionDeclaration(name, true);
} else {
raiseUnexpectedToken('<name>', token);
}
}
function parseAssignmentOrCallStatement(flowContext) {
var previous = token
, marker, startMarker;
var lvalue, base, name;
var targets = [];
if (trackLocations) startMarker = createLocationMarker();
do {
if (trackLocations) marker = createLocationMarker();
if (Identifier === token.type) {
name = token.value;
base = parseIdentifier();
if (options.scope) attachScope(base, scopeHasName(name));
lvalue = true;
} else if ('(' === token.value) {
next();
base = parseExpectedExpression(flowContext);
expect(')');
lvalue = false;
} else {
return unexpected(token);
}
both: for (;;) {
var newBase;
switch (StringLiteral === token.type ? '"' : token.value) {
case '.':
case '[':
lvalue = true;
break;
case ':':
case '(':
case '{':
case '"':
lvalue = null;
break;
default:
break both;
}
base = parsePrefixExpressionPart(base, marker, flowContext);
}
targets.push(base);
if (',' !== token.value)
break;
if (!lvalue) {
return unexpected(token);
}
next();
} while (true);
if (targets.length === 1 && lvalue === null) {
pushLocation(marker);
return finishNode(ast.callStatement(targets[0]));
} else if (!lvalue) {
return unexpected(token);
}
expect('=');
var values = [];
do {
values.push(parseExpectedExpression(flowContext));
} while (consume(','));
pushLocation(startMarker);
return finishNode(ast.assignmentStatement(targets, values));
}
function parseIdentifier() {
markLocation();
var identifier = token.value;
if (Identifier !== token.type) raiseUnexpectedToken('<name>', token);
next();
return finishNode(ast.identifier(identifier));
}
function parseFunctionDeclaration(name, isLocal) {
var flowContext = makeFlowContext();
flowContext.pushScope();
var parameters = [];
expect('(');
if (!consume(')')) {
while (true) {
if (Identifier === token.type) {
var parameter = parseIdentifier();
if (options.scope) scopeIdentifier(parameter);
parameters.push(parameter);
if (consume(',')) continue;
}
else if (VarargLiteral === token.type) {
flowContext.allowVararg = true;
parameters.push(parsePrimaryExpression(flowContext));
} else {
raiseUnexpectedToken('<name> or \'...\'', token);
}
expect(')');
break;
}
}
var body = parseBlock(flowContext);
flowContext.popScope();
expect('end');
if (options.scope) destroyScope();
isLocal = isLocal || false;
return finishNode(ast.functionStatement(name, parameters, isLocal, body));
}
function parseFunctionName() {
var base, name, marker;
if (trackLocations) marker = createLocationMarker();
base = parseIdentifier();
if (options.scope) {
attachScope(base, scopeHasName(base.name));
createScope();
}
while (consume('.')) {
pushLocation(marker);
name = parseIdentifier();
base = finishNode(ast.memberExpression(base, '.', name));
}
if (consume(':')) {
pushLocation(marker);
name = parseIdentifier();
base = finishNode(ast.memberExpression(base, ':', name));
if (options.scope) scopeIdentifierName('self');
}
return base;
}
function parseTableConstructor(flowContext) {
var fields = []
, key, value;
while (true) {
markLocation();
if (Punctuator === token.type && consume('[')) {
key = parseExpectedExpression(flowContext);
expect(']');
expect('=');
value = parseExpectedExpression(flowContext);
fields.push(finishNode(ast.tableKey(key, value)));
} else if (Identifier === token.type) {
if ('=' === lookahead.value) {
key = parseIdentifier();
next();
value = parseExpectedExpression(flowContext);
fields.push(finishNode(ast.tableKeyString(key, value)));
} else {
value = parseExpectedExpression(flowContext);
fields.push(finishNode(ast.tableValue(value)));
}
} else {
if (null == (value = parseExpression(flowContext))) {
locations.pop();
break;
}
fields.push(finishNode(ast.tableValue(value)));
}
if (',;'.indexOf(token.value) >= 0) {
next();
continue;
}
break;
}
expect('}');
return finishNode(ast.tableConstructorExpression(fields));
}
function parseExpression(flowContext) {
var expression = parseSubExpression(0, flowContext);
return expression;
}
function parseExpectedExpression(flowContext) {
var expression = parseExpression(flowContext);
if (null == expression) raiseUnexpectedToken('<expression>', token);
else return expression;
}
function binaryPrecedence(operator) {
var charCode = operator.charCodeAt(0)
, length = operator.length;
if (1 === length) {
switch (charCode) {
case 94: return 12; // ^
case 42: case 47: case 37: return 10; // * / %
case 43: case 45: return 9; // + -
case 38: return 6; // &
case 126: return 5; // ~
case 124: return 4; // |
case 60: case 62: return 3; // < >
}
} else if (2 === length) {
switch (charCode) {
case 47: return 10; // //
case 46: return 8; // ..
case 60: case 62:
if('<<' === operator || '>>' === operator) return 7; // << >>
return 3; // <= >=
case 61: case 126: return 3; // == ~=
case 111: return 1; // or
}
} else if (97 === charCode && 'and' === operator) return 2;
return 0;
}
function parseSubExpression(minPrecedence, flowContext) {
var operator = token.value
, expression, marker;
if (trackLocations) marker = createLocationMarker();
if (isUnary(token)) {
markLocation();
next();
var argument = parseSubExpression(10, flowContext);
if (argument == null) raiseUnexpectedToken('<expression>', token);
expression = finishNode(ast.unaryExpression(operator, argument));
}
if (null == expression) {
expression = parsePrimaryExpression(flowContext);
if (null == expression) {
expression = parsePrefixExpression(flowContext);
}
}
if (null == expression) return null;
var precedence;
while (true) {
operator = token.value;
precedence = (Punctuator === token.type || Keyword === token.type) ?
binaryPrecedence(operator) : 0;
if (precedence === 0 || precedence <= minPrecedence) break;
if ('^' === operator || '..' === operator) --precedence;
next();
var right = parseSubExpression(precedence, flowContext);
if (null == right) raiseUnexpectedToken('<expression>', token);
if (trackLocations) locations.push(marker);
expression = finishNode(ast.binaryExpression(operator, expression, right));
}
return expression;
}
function parsePrefixExpressionPart(base, marker, flowContext) {
var expression, identifier;
if (Punctuator === token.type) {
switch (token.value) {
case '[':
pushLocation(marker);
next();
expression = parseExpectedExpression(flowContext);
expect(']');
return finishNode(ast.indexExpression(base, expression));
case '.':
pushLocation(marker);
next();
identifier = parseIdentifier();
return finishNode(ast.memberExpression(base, '.', identifier));
case ':':
pushLocation(marker);
next();
identifier = parseIdentifier();
base = finishNode(ast.memberExpression(base, ':', identifier));
pushLocation(marker);
return parseCallExpression(base, flowContext);
case '(': case '{': // args
pushLocation(marker);
return parseCallExpression(base, flowContext);
}
} else if (StringLiteral === token.type) {
pushLocation(marker);
return parseCallExpression(base, flowContext);
}
return null;
}
function parsePrefixExpression(flowContext) {
var base, name, marker;
if (trackLocations) marker = createLocationMarker();
if (Identifier === token.type) {
name = token.value;
base = parseIdentifier();
if (options.scope) attachScope(base, scopeHasName(name));
} else if (consume('(')) {
base = parseExpectedExpression(flowContext);
expect(')');
} else {
return null;
}
for (;;) {
var newBase = parsePrefixExpressionPart(base, marker, flowContext);
if (newBase === null)
break;
base = newBase;
}
return base;
}
function parseCallExpression(base, flowContext) {
if (Punctuator === token.type) {
switch (token.value) {
case '(':
if (!features.emptyStatement) {
if (token.line !== previousToken.line)
raise(null, errors.ambiguousSyntax, token.value);
}
next();
var expressions = [];
var expression = parseExpression(flowContext);
if (null != expression) expressions.push(expression);
while (consume(',')) {
expression = parseExpectedExpression(flowContext);
expressions.push(expression);
}
expect(')');
return finishNode(ast.callExpression(base, expressions));
case '{':
markLocation();
next();
var table = parseTableConstructor(flowContext);
return finishNode(ast.tableCallExpression(base, table));
}
} else if (StringLiteral === token.type) {
return finishNode(ast.stringCallExpression(base, parsePrimaryExpression(flowContext)));
}
raiseUnexpectedToken('function arguments', token);
}
function parsePrimaryExpression(flowContext) {
var literals = StringLiteral | NumericLiteral | BooleanLiteral | NilLiteral | VarargLiteral
, value = token.value
, type = token.type
, marker;
if (trackLocations) marker = createLocationMarker();
if (type === VarargLiteral && !flowContext.allowVararg) {
raise(token, errors.cannotUseVararg, token.value);
}
if (type & literals) {
pushLocation(marker);
var raw = input.slice(token.range[0], token.range[1]);
next();
return finishNode(ast.literal(type, value, raw));
} else if (Keyword === type && 'function' === value) {
pushLocation(marker);
next();
if (options.scope) createScope();
return parseFunctionDeclaration(null);
} else if (consume('{')) {
pushLocation(marker);
return parseTableConstructor(flowContext);
}
}
exports.parse = parse;
var versionFeatures = {
'5.1': {
},
'5.2': {
labels: true,
emptyStatement: true,
hexEscapes: true,
skipWhitespaceEscape: true,
strictEscapes: true,
relaxedBreak: true
},
'5.3': {
labels: true,
emptyStatement: true,
hexEscapes: true,
skipWhitespaceEscape: true,
strictEscapes: true,
unicodeEscapes: true,
bitwiseOperators: true,
integerDivision: true,
relaxedBreak: true
},
'LuaJIT': {
labels: true,
contextualGoto: true,
hexEscapes: true,
skipWhitespaceEscape: true,
strictEscapes: true,
unicodeEscapes: true,
imaginaryNumbers: true,
integerSuffixes: true
}
};
function parse(_input, _options) {
if ('undefined' === typeof _options && 'object' === typeof _input) {
_options = _input;
_input = undefined;
}
if (!_options) _options = {};
input = _input || '';
options = assign({}, defaultOptions, _options);
index = 0;
line = 1;
lineStart = 0;
length = input.length;
scopes = [[]];
scopeDepth = 0;
globals = [];
locations = [];
if (!Object.prototype.hasOwnProperty.call(versionFeatures, options.luaVersion)) {
throw new Error(sprintf("Lua version '%1' not supported", options.luaVersion));
}
features = assign({}, versionFeatures[options.luaVersion]);
if (options.extendedIdentifiers !== void 0)
features.extendedIdentifiers = !!options.extendedIdentifiers;
if (!Object.prototype.hasOwnProperty.call(encodingModes, options.encodingMode)) {
throw new Error(sprintf("Encoding mode '%1' not supported", options.encodingMode));
}
encodingMode = encodingModes[options.encodingMode];
if (options.comments) comments = [];
if (!options.wait) return end();
return exports;
}
exports.write = write;
function write(_input) {
input += String(_input);
length = input.length;
return exports;
}
exports.end = end;
function end(_input) {
if ('undefined' !== typeof _input) write(_input);
if (input && input.substr(0, 2) === '#!') input = input.replace(/^.*/, function (line) {
return line.replace(/./g, ' ');
});
length = input.length;
trackLocations = options.locations || options.ranges;
lookahead = lex();
var chunk = parseChunk();
if (options.comments) chunk.comments = comments;
if (options.scope) chunk.globals = globals;
if (locations.length > 0)
throw new Error('Location tracking failed. This is most likely a bug in luaparse');
return chunk;
}
}));
});
ace.define("ace/mode/lua_worker",[], function(require, exports, module) {
"use strict";
var oop = require("../lib/oop");
var Mirror = require("../worker/mirror").Mirror;
var luaparse = require("../mode/lua/luaparse");
var Worker = exports.Worker = function(sender) {
Mirror.call(this, sender);
this.setTimeout(500);
};
oop.inherits(Worker, Mirror);
(function() {
this.onUpdate = function() {
var value = this.doc.getValue();
var errors = [];
try {
luaparse.parse(value);
} catch(e) {
if (e instanceof luaparse.SyntaxError) {
errors.push({
row: e.line - 1,
column: e.column,
text: e.message,
type: "error"
});
}
}
this.sender.emit("annotate", errors);
};
}).call(Worker.prototype);
});
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