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1976 lines
66 KiB
JavaScript
1976 lines
66 KiB
JavaScript
/* -*- Mode: js; js-indent-level: 2; -*- */
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/*
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* Copyright 2011 Mozilla Foundation and contributors
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* Licensed under the New BSD license. See LICENSE or:
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* http://opensource.org/licenses/BSD-3-Clause
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*/
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/*
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* WARNING!
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*
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* Do not edit this file directly, it is built from the sources at
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* https://github.com/mozilla/source-map/
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*/
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///////////////////////////////////////////////////////////////////////////////
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this.EXPORTED_SYMBOLS = [ "SourceMapConsumer", "SourceMapGenerator", "SourceNode" ];
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Components.utils.import('resource://gre/modules/devtools/Require.jsm');
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/* -*- Mode: js; js-indent-level: 2; -*- */
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/*
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* Copyright 2011 Mozilla Foundation and contributors
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* Licensed under the New BSD license. See LICENSE or:
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* http://opensource.org/licenses/BSD-3-Clause
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*/
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define('source-map/source-map-consumer', ['require', 'exports', 'module' , 'source-map/util', 'source-map/binary-search', 'source-map/array-set', 'source-map/base64-vlq'], function(require, exports, module) {
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var util = require('source-map/util');
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var binarySearch = require('source-map/binary-search');
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var ArraySet = require('source-map/array-set').ArraySet;
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var base64VLQ = require('source-map/base64-vlq');
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/**
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* A SourceMapConsumer instance represents a parsed source map which we can
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* query for information about the original file positions by giving it a file
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* position in the generated source.
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*
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* The only parameter is the raw source map (either as a JSON string, or
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* already parsed to an object). According to the spec, source maps have the
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* following attributes:
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*
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* - version: Which version of the source map spec this map is following.
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* - sources: An array of URLs to the original source files.
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* - names: An array of identifiers which can be referrenced by individual mappings.
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* - sourceRoot: Optional. The URL root from which all sources are relative.
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* - sourcesContent: Optional. An array of contents of the original source files.
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* - mappings: A string of base64 VLQs which contain the actual mappings.
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* - file: Optional. The generated file this source map is associated with.
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*
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* Here is an example source map, taken from the source map spec[0]:
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*
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* {
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* version : 3,
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* file: "out.js",
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* sourceRoot : "",
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* sources: ["foo.js", "bar.js"],
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* names: ["src", "maps", "are", "fun"],
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* mappings: "AA,AB;;ABCDE;"
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* }
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*
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* [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1#
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*/
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function SourceMapConsumer(aSourceMap) {
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var sourceMap = aSourceMap;
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if (typeof aSourceMap === 'string') {
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sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, ''));
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}
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var version = util.getArg(sourceMap, 'version');
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var sources = util.getArg(sourceMap, 'sources');
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// Sass 3.3 leaves out the 'names' array, so we deviate from the spec (which
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// requires the array) to play nice here.
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var names = util.getArg(sourceMap, 'names', []);
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var sourceRoot = util.getArg(sourceMap, 'sourceRoot', null);
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var sourcesContent = util.getArg(sourceMap, 'sourcesContent', null);
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var mappings = util.getArg(sourceMap, 'mappings');
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var file = util.getArg(sourceMap, 'file', null);
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// Once again, Sass deviates from the spec and supplies the version as a
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// string rather than a number, so we use loose equality checking here.
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if (version != this._version) {
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throw new Error('Unsupported version: ' + version);
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}
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// Pass `true` below to allow duplicate names and sources. While source maps
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// are intended to be compressed and deduplicated, the TypeScript compiler
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// sometimes generates source maps with duplicates in them. See Github issue
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// #72 and bugzil.la/889492.
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this._names = ArraySet.fromArray(names, true);
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this._sources = ArraySet.fromArray(sources, true);
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this.sourceRoot = sourceRoot;
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this.sourcesContent = sourcesContent;
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this._mappings = mappings;
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this.file = file;
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}
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/**
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* Create a SourceMapConsumer from a SourceMapGenerator.
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*
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* @param SourceMapGenerator aSourceMap
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* The source map that will be consumed.
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* @returns SourceMapConsumer
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*/
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SourceMapConsumer.fromSourceMap =
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function SourceMapConsumer_fromSourceMap(aSourceMap) {
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var smc = Object.create(SourceMapConsumer.prototype);
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smc._names = ArraySet.fromArray(aSourceMap._names.toArray(), true);
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smc._sources = ArraySet.fromArray(aSourceMap._sources.toArray(), true);
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smc.sourceRoot = aSourceMap._sourceRoot;
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smc.sourcesContent = aSourceMap._generateSourcesContent(smc._sources.toArray(),
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smc.sourceRoot);
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smc.file = aSourceMap._file;
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smc.__generatedMappings = aSourceMap._mappings.slice()
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.sort(util.compareByGeneratedPositions);
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smc.__originalMappings = aSourceMap._mappings.slice()
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.sort(util.compareByOriginalPositions);
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return smc;
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};
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/**
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* The version of the source mapping spec that we are consuming.
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*/
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SourceMapConsumer.prototype._version = 3;
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/**
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* The list of original sources.
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*/
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Object.defineProperty(SourceMapConsumer.prototype, 'sources', {
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get: function () {
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return this._sources.toArray().map(function (s) {
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return this.sourceRoot != null ? util.join(this.sourceRoot, s) : s;
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}, this);
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}
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});
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// `__generatedMappings` and `__originalMappings` are arrays that hold the
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// parsed mapping coordinates from the source map's "mappings" attribute. They
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// are lazily instantiated, accessed via the `_generatedMappings` and
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// `_originalMappings` getters respectively, and we only parse the mappings
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// and create these arrays once queried for a source location. We jump through
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// these hoops because there can be many thousands of mappings, and parsing
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// them is expensive, so we only want to do it if we must.
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//
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// Each object in the arrays is of the form:
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//
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// {
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// generatedLine: The line number in the generated code,
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// generatedColumn: The column number in the generated code,
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// source: The path to the original source file that generated this
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// chunk of code,
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// originalLine: The line number in the original source that
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// corresponds to this chunk of generated code,
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// originalColumn: The column number in the original source that
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// corresponds to this chunk of generated code,
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// name: The name of the original symbol which generated this chunk of
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// code.
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// }
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//
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// All properties except for `generatedLine` and `generatedColumn` can be
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// `null`.
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//
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// `_generatedMappings` is ordered by the generated positions.
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//
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// `_originalMappings` is ordered by the original positions.
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SourceMapConsumer.prototype.__generatedMappings = null;
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Object.defineProperty(SourceMapConsumer.prototype, '_generatedMappings', {
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get: function () {
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if (!this.__generatedMappings) {
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this.__generatedMappings = [];
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this.__originalMappings = [];
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this._parseMappings(this._mappings, this.sourceRoot);
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}
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return this.__generatedMappings;
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}
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});
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SourceMapConsumer.prototype.__originalMappings = null;
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Object.defineProperty(SourceMapConsumer.prototype, '_originalMappings', {
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get: function () {
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if (!this.__originalMappings) {
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this.__generatedMappings = [];
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this.__originalMappings = [];
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this._parseMappings(this._mappings, this.sourceRoot);
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}
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return this.__originalMappings;
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}
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});
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SourceMapConsumer.prototype._nextCharIsMappingSeparator =
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function SourceMapConsumer_nextCharIsMappingSeparator(aStr) {
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var c = aStr.charAt(0);
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return c === ";" || c === ",";
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};
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/**
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* Parse the mappings in a string in to a data structure which we can easily
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* query (the ordered arrays in the `this.__generatedMappings` and
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* `this.__originalMappings` properties).
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*/
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SourceMapConsumer.prototype._parseMappings =
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function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
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var generatedLine = 1;
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var previousGeneratedColumn = 0;
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var previousOriginalLine = 0;
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var previousOriginalColumn = 0;
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var previousSource = 0;
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var previousName = 0;
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var str = aStr;
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var temp = {};
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var mapping;
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while (str.length > 0) {
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if (str.charAt(0) === ';') {
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generatedLine++;
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str = str.slice(1);
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previousGeneratedColumn = 0;
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}
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else if (str.charAt(0) === ',') {
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str = str.slice(1);
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}
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else {
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mapping = {};
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mapping.generatedLine = generatedLine;
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// Generated column.
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base64VLQ.decode(str, temp);
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mapping.generatedColumn = previousGeneratedColumn + temp.value;
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previousGeneratedColumn = mapping.generatedColumn;
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str = temp.rest;
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if (str.length > 0 && !this._nextCharIsMappingSeparator(str)) {
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// Original source.
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base64VLQ.decode(str, temp);
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mapping.source = this._sources.at(previousSource + temp.value);
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previousSource += temp.value;
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str = temp.rest;
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if (str.length === 0 || this._nextCharIsMappingSeparator(str)) {
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throw new Error('Found a source, but no line and column');
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}
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// Original line.
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base64VLQ.decode(str, temp);
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mapping.originalLine = previousOriginalLine + temp.value;
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previousOriginalLine = mapping.originalLine;
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// Lines are stored 0-based
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mapping.originalLine += 1;
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str = temp.rest;
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if (str.length === 0 || this._nextCharIsMappingSeparator(str)) {
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throw new Error('Found a source and line, but no column');
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}
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// Original column.
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base64VLQ.decode(str, temp);
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mapping.originalColumn = previousOriginalColumn + temp.value;
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previousOriginalColumn = mapping.originalColumn;
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str = temp.rest;
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if (str.length > 0 && !this._nextCharIsMappingSeparator(str)) {
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// Original name.
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base64VLQ.decode(str, temp);
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mapping.name = this._names.at(previousName + temp.value);
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previousName += temp.value;
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str = temp.rest;
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}
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}
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this.__generatedMappings.push(mapping);
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if (typeof mapping.originalLine === 'number') {
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this.__originalMappings.push(mapping);
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}
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}
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}
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this.__generatedMappings.sort(util.compareByGeneratedPositions);
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this.__originalMappings.sort(util.compareByOriginalPositions);
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};
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/**
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* Find the mapping that best matches the hypothetical "needle" mapping that
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* we are searching for in the given "haystack" of mappings.
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*/
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SourceMapConsumer.prototype._findMapping =
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function SourceMapConsumer_findMapping(aNeedle, aMappings, aLineName,
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aColumnName, aComparator) {
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// To return the position we are searching for, we must first find the
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// mapping for the given position and then return the opposite position it
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// points to. Because the mappings are sorted, we can use binary search to
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// find the best mapping.
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if (aNeedle[aLineName] <= 0) {
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throw new TypeError('Line must be greater than or equal to 1, got '
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+ aNeedle[aLineName]);
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}
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if (aNeedle[aColumnName] < 0) {
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throw new TypeError('Column must be greater than or equal to 0, got '
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+ aNeedle[aColumnName]);
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}
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return binarySearch.search(aNeedle, aMappings, aComparator);
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};
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/**
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* Returns the original source, line, and column information for the generated
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* source's line and column positions provided. The only argument is an object
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* with the following properties:
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*
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* - line: The line number in the generated source.
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* - column: The column number in the generated source.
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*
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* and an object is returned with the following properties:
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*
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* - source: The original source file, or null.
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* - line: The line number in the original source, or null.
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* - column: The column number in the original source, or null.
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* - name: The original identifier, or null.
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*/
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SourceMapConsumer.prototype.originalPositionFor =
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function SourceMapConsumer_originalPositionFor(aArgs) {
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var needle = {
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generatedLine: util.getArg(aArgs, 'line'),
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generatedColumn: util.getArg(aArgs, 'column')
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};
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var mapping = this._findMapping(needle,
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this._generatedMappings,
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"generatedLine",
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"generatedColumn",
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util.compareByGeneratedPositions);
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if (mapping && mapping.generatedLine === needle.generatedLine) {
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var source = util.getArg(mapping, 'source', null);
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if (source != null && this.sourceRoot != null) {
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source = util.join(this.sourceRoot, source);
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}
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return {
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source: source,
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line: util.getArg(mapping, 'originalLine', null),
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column: util.getArg(mapping, 'originalColumn', null),
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name: util.getArg(mapping, 'name', null)
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};
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}
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return {
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source: null,
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line: null,
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column: null,
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name: null
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};
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};
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/**
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* Returns the original source content. The only argument is the url of the
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* original source file. Returns null if no original source content is
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* availible.
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*/
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SourceMapConsumer.prototype.sourceContentFor =
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function SourceMapConsumer_sourceContentFor(aSource) {
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if (!this.sourcesContent) {
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return null;
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}
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if (this.sourceRoot != null) {
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aSource = util.relative(this.sourceRoot, aSource);
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}
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if (this._sources.has(aSource)) {
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return this.sourcesContent[this._sources.indexOf(aSource)];
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}
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var url;
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if (this.sourceRoot != null
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&& (url = util.urlParse(this.sourceRoot))) {
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// XXX: file:// URIs and absolute paths lead to unexpected behavior for
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// many users. We can help them out when they expect file:// URIs to
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// behave like it would if they were running a local HTTP server. See
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// https://bugzilla.mozilla.org/show_bug.cgi?id=885597.
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var fileUriAbsPath = aSource.replace(/^file:\/\//, "");
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if (url.scheme == "file"
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&& this._sources.has(fileUriAbsPath)) {
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return this.sourcesContent[this._sources.indexOf(fileUriAbsPath)]
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}
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if ((!url.path || url.path == "/")
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&& this._sources.has("/" + aSource)) {
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return this.sourcesContent[this._sources.indexOf("/" + aSource)];
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}
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}
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throw new Error('"' + aSource + '" is not in the SourceMap.');
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};
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/**
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* Returns the generated line and column information for the original source,
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* line, and column positions provided. The only argument is an object with
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* the following properties:
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*
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* - source: The filename of the original source.
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* - line: The line number in the original source.
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* - column: The column number in the original source.
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*
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* and an object is returned with the following properties:
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*
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* - line: The line number in the generated source, or null.
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* - column: The column number in the generated source, or null.
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*/
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SourceMapConsumer.prototype.generatedPositionFor =
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function SourceMapConsumer_generatedPositionFor(aArgs) {
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var needle = {
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source: util.getArg(aArgs, 'source'),
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originalLine: util.getArg(aArgs, 'line'),
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originalColumn: util.getArg(aArgs, 'column')
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};
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if (this.sourceRoot != null) {
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needle.source = util.relative(this.sourceRoot, needle.source);
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}
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var mapping = this._findMapping(needle,
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this._originalMappings,
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"originalLine",
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"originalColumn",
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util.compareByOriginalPositions);
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if (mapping) {
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return {
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line: util.getArg(mapping, 'generatedLine', null),
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column: util.getArg(mapping, 'generatedColumn', null)
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};
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}
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return {
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line: null,
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column: null
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};
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};
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SourceMapConsumer.GENERATED_ORDER = 1;
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SourceMapConsumer.ORIGINAL_ORDER = 2;
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/**
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* Iterate over each mapping between an original source/line/column and a
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* generated line/column in this source map.
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*
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* @param Function aCallback
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* The function that is called with each mapping.
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* @param Object aContext
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* Optional. If specified, this object will be the value of `this` every
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* time that `aCallback` is called.
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* @param aOrder
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* Either `SourceMapConsumer.GENERATED_ORDER` or
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* `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to
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* iterate over the mappings sorted by the generated file's line/column
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* order or the original's source/line/column order, respectively. Defaults to
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* `SourceMapConsumer.GENERATED_ORDER`.
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*/
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SourceMapConsumer.prototype.eachMapping =
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function SourceMapConsumer_eachMapping(aCallback, aContext, aOrder) {
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var context = aContext || null;
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var order = aOrder || SourceMapConsumer.GENERATED_ORDER;
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var mappings;
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switch (order) {
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case SourceMapConsumer.GENERATED_ORDER:
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mappings = this._generatedMappings;
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break;
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case SourceMapConsumer.ORIGINAL_ORDER:
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mappings = this._originalMappings;
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break;
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default:
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throw new Error("Unknown order of iteration.");
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}
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var sourceRoot = this.sourceRoot;
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mappings.map(function (mapping) {
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var source = mapping.source;
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if (source != null && sourceRoot != null) {
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source = util.join(sourceRoot, source);
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}
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return {
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source: source,
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generatedLine: mapping.generatedLine,
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generatedColumn: mapping.generatedColumn,
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originalLine: mapping.originalLine,
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originalColumn: mapping.originalColumn,
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name: mapping.name
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};
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}).forEach(aCallback, context);
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};
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exports.SourceMapConsumer = SourceMapConsumer;
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});
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/* -*- Mode: js; js-indent-level: 2; -*- */
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/*
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* Copyright 2011 Mozilla Foundation and contributors
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* Licensed under the New BSD license. See LICENSE or:
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* http://opensource.org/licenses/BSD-3-Clause
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*/
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define('source-map/util', ['require', 'exports', 'module' , ], function(require, exports, module) {
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/**
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|
* This is a helper function for getting values from parameter/options
|
|
* objects.
|
|
*
|
|
* @param args The object we are extracting values from
|
|
* @param name The name of the property we are getting.
|
|
* @param defaultValue An optional value to return if the property is missing
|
|
* from the object. If this is not specified and the property is missing, an
|
|
* error will be thrown.
|
|
*/
|
|
function getArg(aArgs, aName, aDefaultValue) {
|
|
if (aName in aArgs) {
|
|
return aArgs[aName];
|
|
} else if (arguments.length === 3) {
|
|
return aDefaultValue;
|
|
} else {
|
|
throw new Error('"' + aName + '" is a required argument.');
|
|
}
|
|
}
|
|
exports.getArg = getArg;
|
|
|
|
var urlRegexp = /^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.]*)(?::(\d+))?(\S*)$/;
|
|
var dataUrlRegexp = /^data:.+\,.+$/;
|
|
|
|
function urlParse(aUrl) {
|
|
var match = aUrl.match(urlRegexp);
|
|
if (!match) {
|
|
return null;
|
|
}
|
|
return {
|
|
scheme: match[1],
|
|
auth: match[2],
|
|
host: match[3],
|
|
port: match[4],
|
|
path: match[5]
|
|
};
|
|
}
|
|
exports.urlParse = urlParse;
|
|
|
|
function urlGenerate(aParsedUrl) {
|
|
var url = '';
|
|
if (aParsedUrl.scheme) {
|
|
url += aParsedUrl.scheme + ':';
|
|
}
|
|
url += '//';
|
|
if (aParsedUrl.auth) {
|
|
url += aParsedUrl.auth + '@';
|
|
}
|
|
if (aParsedUrl.host) {
|
|
url += aParsedUrl.host;
|
|
}
|
|
if (aParsedUrl.port) {
|
|
url += ":" + aParsedUrl.port
|
|
}
|
|
if (aParsedUrl.path) {
|
|
url += aParsedUrl.path;
|
|
}
|
|
return url;
|
|
}
|
|
exports.urlGenerate = urlGenerate;
|
|
|
|
/**
|
|
* Normalizes a path, or the path portion of a URL:
|
|
*
|
|
* - Replaces consequtive slashes with one slash.
|
|
* - Removes unnecessary '.' parts.
|
|
* - Removes unnecessary '<dir>/..' parts.
|
|
*
|
|
* Based on code in the Node.js 'path' core module.
|
|
*
|
|
* @param aPath The path or url to normalize.
|
|
*/
|
|
function normalize(aPath) {
|
|
var path = aPath;
|
|
var url = urlParse(aPath);
|
|
if (url) {
|
|
if (!url.path) {
|
|
return aPath;
|
|
}
|
|
path = url.path;
|
|
}
|
|
var isAbsolute = (path.charAt(0) === '/');
|
|
|
|
var parts = path.split(/\/+/);
|
|
for (var part, up = 0, i = parts.length - 1; i >= 0; i--) {
|
|
part = parts[i];
|
|
if (part === '.') {
|
|
parts.splice(i, 1);
|
|
} else if (part === '..') {
|
|
up++;
|
|
} else if (up > 0) {
|
|
if (part === '') {
|
|
// The first part is blank if the path is absolute. Trying to go
|
|
// above the root is a no-op. Therefore we can remove all '..' parts
|
|
// directly after the root.
|
|
parts.splice(i + 1, up);
|
|
up = 0;
|
|
} else {
|
|
parts.splice(i, 2);
|
|
up--;
|
|
}
|
|
}
|
|
}
|
|
path = parts.join('/');
|
|
|
|
if (path === '') {
|
|
path = isAbsolute ? '/' : '.';
|
|
}
|
|
|
|
if (url) {
|
|
url.path = path;
|
|
return urlGenerate(url);
|
|
}
|
|
return path;
|
|
}
|
|
exports.normalize = normalize;
|
|
|
|
/**
|
|
* Joins two paths/URLs.
|
|
*
|
|
* @param aRoot The root path or URL.
|
|
* @param aPath The path or URL to be joined with the root.
|
|
*
|
|
* - If aPath is a URL or a data URI, aPath is returned, unless aPath is a
|
|
* scheme-relative URL: Then the scheme of aRoot, if any, is prepended
|
|
* first.
|
|
* - Otherwise aPath is a path. If aRoot is a URL, then its path portion
|
|
* is updated with the result and aRoot is returned. Otherwise the result
|
|
* is returned.
|
|
* - If aPath is absolute, the result is aPath.
|
|
* - Otherwise the two paths are joined with a slash.
|
|
* - Joining for example 'http://' and 'www.example.com' is also supported.
|
|
*/
|
|
function join(aRoot, aPath) {
|
|
if (aRoot === "") {
|
|
aRoot = ".";
|
|
}
|
|
if (aPath === "") {
|
|
aPath = ".";
|
|
}
|
|
var aPathUrl = urlParse(aPath);
|
|
var aRootUrl = urlParse(aRoot);
|
|
if (aRootUrl) {
|
|
aRoot = aRootUrl.path || '/';
|
|
}
|
|
|
|
// `join(foo, '//www.example.org')`
|
|
if (aPathUrl && !aPathUrl.scheme) {
|
|
if (aRootUrl) {
|
|
aPathUrl.scheme = aRootUrl.scheme;
|
|
}
|
|
return urlGenerate(aPathUrl);
|
|
}
|
|
|
|
if (aPathUrl || aPath.match(dataUrlRegexp)) {
|
|
return aPath;
|
|
}
|
|
|
|
// `join('http://', 'www.example.com')`
|
|
if (aRootUrl && !aRootUrl.host && !aRootUrl.path) {
|
|
aRootUrl.host = aPath;
|
|
return urlGenerate(aRootUrl);
|
|
}
|
|
|
|
var joined = aPath.charAt(0) === '/'
|
|
? aPath
|
|
: normalize(aRoot.replace(/\/+$/, '') + '/' + aPath);
|
|
|
|
if (aRootUrl) {
|
|
aRootUrl.path = joined;
|
|
return urlGenerate(aRootUrl);
|
|
}
|
|
return joined;
|
|
}
|
|
exports.join = join;
|
|
|
|
/**
|
|
* Make a path relative to a URL or another path.
|
|
*
|
|
* @param aRoot The root path or URL.
|
|
* @param aPath The path or URL to be made relative to aRoot.
|
|
*/
|
|
function relative(aRoot, aPath) {
|
|
if (aRoot === "") {
|
|
aRoot = ".";
|
|
}
|
|
|
|
aRoot = aRoot.replace(/\/$/, '');
|
|
|
|
// XXX: It is possible to remove this block, and the tests still pass!
|
|
var url = urlParse(aRoot);
|
|
if (aPath.charAt(0) == "/" && url && url.path == "/") {
|
|
return aPath.slice(1);
|
|
}
|
|
|
|
return aPath.indexOf(aRoot + '/') === 0
|
|
? aPath.substr(aRoot.length + 1)
|
|
: aPath;
|
|
}
|
|
exports.relative = relative;
|
|
|
|
/**
|
|
* Because behavior goes wacky when you set `__proto__` on objects, we
|
|
* have to prefix all the strings in our set with an arbitrary character.
|
|
*
|
|
* See https://github.com/mozilla/source-map/pull/31 and
|
|
* https://github.com/mozilla/source-map/issues/30
|
|
*
|
|
* @param String aStr
|
|
*/
|
|
function toSetString(aStr) {
|
|
return '$' + aStr;
|
|
}
|
|
exports.toSetString = toSetString;
|
|
|
|
function fromSetString(aStr) {
|
|
return aStr.substr(1);
|
|
}
|
|
exports.fromSetString = fromSetString;
|
|
|
|
function strcmp(aStr1, aStr2) {
|
|
var s1 = aStr1 || "";
|
|
var s2 = aStr2 || "";
|
|
return (s1 > s2) - (s1 < s2);
|
|
}
|
|
|
|
/**
|
|
* Comparator between two mappings where the original positions are compared.
|
|
*
|
|
* Optionally pass in `true` as `onlyCompareGenerated` to consider two
|
|
* mappings with the same original source/line/column, but different generated
|
|
* line and column the same. Useful when searching for a mapping with a
|
|
* stubbed out mapping.
|
|
*/
|
|
function compareByOriginalPositions(mappingA, mappingB, onlyCompareOriginal) {
|
|
var cmp;
|
|
|
|
cmp = strcmp(mappingA.source, mappingB.source);
|
|
if (cmp) {
|
|
return cmp;
|
|
}
|
|
|
|
cmp = mappingA.originalLine - mappingB.originalLine;
|
|
if (cmp) {
|
|
return cmp;
|
|
}
|
|
|
|
cmp = mappingA.originalColumn - mappingB.originalColumn;
|
|
if (cmp || onlyCompareOriginal) {
|
|
return cmp;
|
|
}
|
|
|
|
cmp = strcmp(mappingA.name, mappingB.name);
|
|
if (cmp) {
|
|
return cmp;
|
|
}
|
|
|
|
cmp = mappingA.generatedLine - mappingB.generatedLine;
|
|
if (cmp) {
|
|
return cmp;
|
|
}
|
|
|
|
return mappingA.generatedColumn - mappingB.generatedColumn;
|
|
};
|
|
exports.compareByOriginalPositions = compareByOriginalPositions;
|
|
|
|
/**
|
|
* Comparator between two mappings where the generated positions are
|
|
* compared.
|
|
*
|
|
* Optionally pass in `true` as `onlyCompareGenerated` to consider two
|
|
* mappings with the same generated line and column, but different
|
|
* source/name/original line and column the same. Useful when searching for a
|
|
* mapping with a stubbed out mapping.
|
|
*/
|
|
function compareByGeneratedPositions(mappingA, mappingB, onlyCompareGenerated) {
|
|
var cmp;
|
|
|
|
cmp = mappingA.generatedLine - mappingB.generatedLine;
|
|
if (cmp) {
|
|
return cmp;
|
|
}
|
|
|
|
cmp = mappingA.generatedColumn - mappingB.generatedColumn;
|
|
if (cmp || onlyCompareGenerated) {
|
|
return cmp;
|
|
}
|
|
|
|
cmp = strcmp(mappingA.source, mappingB.source);
|
|
if (cmp) {
|
|
return cmp;
|
|
}
|
|
|
|
cmp = mappingA.originalLine - mappingB.originalLine;
|
|
if (cmp) {
|
|
return cmp;
|
|
}
|
|
|
|
cmp = mappingA.originalColumn - mappingB.originalColumn;
|
|
if (cmp) {
|
|
return cmp;
|
|
}
|
|
|
|
return strcmp(mappingA.name, mappingB.name);
|
|
};
|
|
exports.compareByGeneratedPositions = compareByGeneratedPositions;
|
|
|
|
});
|
|
/* -*- Mode: js; js-indent-level: 2; -*- */
|
|
/*
|
|
* Copyright 2011 Mozilla Foundation and contributors
|
|
* Licensed under the New BSD license. See LICENSE or:
|
|
* http://opensource.org/licenses/BSD-3-Clause
|
|
*/
|
|
define('source-map/binary-search', ['require', 'exports', 'module' , ], function(require, exports, module) {
|
|
|
|
/**
|
|
* Recursive implementation of binary search.
|
|
*
|
|
* @param aLow Indices here and lower do not contain the needle.
|
|
* @param aHigh Indices here and higher do not contain the needle.
|
|
* @param aNeedle The element being searched for.
|
|
* @param aHaystack The non-empty array being searched.
|
|
* @param aCompare Function which takes two elements and returns -1, 0, or 1.
|
|
*/
|
|
function recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare) {
|
|
// This function terminates when one of the following is true:
|
|
//
|
|
// 1. We find the exact element we are looking for.
|
|
//
|
|
// 2. We did not find the exact element, but we can return the next
|
|
// closest element that is less than that element.
|
|
//
|
|
// 3. We did not find the exact element, and there is no next-closest
|
|
// element which is less than the one we are searching for, so we
|
|
// return null.
|
|
var mid = Math.floor((aHigh - aLow) / 2) + aLow;
|
|
var cmp = aCompare(aNeedle, aHaystack[mid], true);
|
|
if (cmp === 0) {
|
|
// Found the element we are looking for.
|
|
return aHaystack[mid];
|
|
}
|
|
else if (cmp > 0) {
|
|
// aHaystack[mid] is greater than our needle.
|
|
if (aHigh - mid > 1) {
|
|
// The element is in the upper half.
|
|
return recursiveSearch(mid, aHigh, aNeedle, aHaystack, aCompare);
|
|
}
|
|
// We did not find an exact match, return the next closest one
|
|
// (termination case 2).
|
|
return aHaystack[mid];
|
|
}
|
|
else {
|
|
// aHaystack[mid] is less than our needle.
|
|
if (mid - aLow > 1) {
|
|
// The element is in the lower half.
|
|
return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare);
|
|
}
|
|
// The exact needle element was not found in this haystack. Determine if
|
|
// we are in termination case (2) or (3) and return the appropriate thing.
|
|
return aLow < 0
|
|
? null
|
|
: aHaystack[aLow];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This is an implementation of binary search which will always try and return
|
|
* the next lowest value checked if there is no exact hit. This is because
|
|
* mappings between original and generated line/col pairs are single points,
|
|
* and there is an implicit region between each of them, so a miss just means
|
|
* that you aren't on the very start of a region.
|
|
*
|
|
* @param aNeedle The element you are looking for.
|
|
* @param aHaystack The array that is being searched.
|
|
* @param aCompare A function which takes the needle and an element in the
|
|
* array and returns -1, 0, or 1 depending on whether the needle is less
|
|
* than, equal to, or greater than the element, respectively.
|
|
*/
|
|
exports.search = function search(aNeedle, aHaystack, aCompare) {
|
|
return aHaystack.length > 0
|
|
? recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack, aCompare)
|
|
: null;
|
|
};
|
|
|
|
});
|
|
/* -*- Mode: js; js-indent-level: 2; -*- */
|
|
/*
|
|
* Copyright 2011 Mozilla Foundation and contributors
|
|
* Licensed under the New BSD license. See LICENSE or:
|
|
* http://opensource.org/licenses/BSD-3-Clause
|
|
*/
|
|
define('source-map/array-set', ['require', 'exports', 'module' , 'source-map/util'], function(require, exports, module) {
|
|
|
|
var util = require('source-map/util');
|
|
|
|
/**
|
|
* A data structure which is a combination of an array and a set. Adding a new
|
|
* member is O(1), testing for membership is O(1), and finding the index of an
|
|
* element is O(1). Removing elements from the set is not supported. Only
|
|
* strings are supported for membership.
|
|
*/
|
|
function ArraySet() {
|
|
this._array = [];
|
|
this._set = {};
|
|
}
|
|
|
|
/**
|
|
* Static method for creating ArraySet instances from an existing array.
|
|
*/
|
|
ArraySet.fromArray = function ArraySet_fromArray(aArray, aAllowDuplicates) {
|
|
var set = new ArraySet();
|
|
for (var i = 0, len = aArray.length; i < len; i++) {
|
|
set.add(aArray[i], aAllowDuplicates);
|
|
}
|
|
return set;
|
|
};
|
|
|
|
/**
|
|
* Add the given string to this set.
|
|
*
|
|
* @param String aStr
|
|
*/
|
|
ArraySet.prototype.add = function ArraySet_add(aStr, aAllowDuplicates) {
|
|
var isDuplicate = this.has(aStr);
|
|
var idx = this._array.length;
|
|
if (!isDuplicate || aAllowDuplicates) {
|
|
this._array.push(aStr);
|
|
}
|
|
if (!isDuplicate) {
|
|
this._set[util.toSetString(aStr)] = idx;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Is the given string a member of this set?
|
|
*
|
|
* @param String aStr
|
|
*/
|
|
ArraySet.prototype.has = function ArraySet_has(aStr) {
|
|
return Object.prototype.hasOwnProperty.call(this._set,
|
|
util.toSetString(aStr));
|
|
};
|
|
|
|
/**
|
|
* What is the index of the given string in the array?
|
|
*
|
|
* @param String aStr
|
|
*/
|
|
ArraySet.prototype.indexOf = function ArraySet_indexOf(aStr) {
|
|
if (this.has(aStr)) {
|
|
return this._set[util.toSetString(aStr)];
|
|
}
|
|
throw new Error('"' + aStr + '" is not in the set.');
|
|
};
|
|
|
|
/**
|
|
* What is the element at the given index?
|
|
*
|
|
* @param Number aIdx
|
|
*/
|
|
ArraySet.prototype.at = function ArraySet_at(aIdx) {
|
|
if (aIdx >= 0 && aIdx < this._array.length) {
|
|
return this._array[aIdx];
|
|
}
|
|
throw new Error('No element indexed by ' + aIdx);
|
|
};
|
|
|
|
/**
|
|
* Returns the array representation of this set (which has the proper indices
|
|
* indicated by indexOf). Note that this is a copy of the internal array used
|
|
* for storing the members so that no one can mess with internal state.
|
|
*/
|
|
ArraySet.prototype.toArray = function ArraySet_toArray() {
|
|
return this._array.slice();
|
|
};
|
|
|
|
exports.ArraySet = ArraySet;
|
|
|
|
});
|
|
/* -*- Mode: js; js-indent-level: 2; -*- */
|
|
/*
|
|
* Copyright 2011 Mozilla Foundation and contributors
|
|
* Licensed under the New BSD license. See LICENSE or:
|
|
* http://opensource.org/licenses/BSD-3-Clause
|
|
*
|
|
* Based on the Base 64 VLQ implementation in Closure Compiler:
|
|
* https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java
|
|
*
|
|
* Copyright 2011 The Closure Compiler Authors. All rights reserved.
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials provided
|
|
* with the distribution.
|
|
* * Neither the name of Google Inc. nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
define('source-map/base64-vlq', ['require', 'exports', 'module' , 'source-map/base64'], function(require, exports, module) {
|
|
|
|
var base64 = require('source-map/base64');
|
|
|
|
// A single base 64 digit can contain 6 bits of data. For the base 64 variable
|
|
// length quantities we use in the source map spec, the first bit is the sign,
|
|
// the next four bits are the actual value, and the 6th bit is the
|
|
// continuation bit. The continuation bit tells us whether there are more
|
|
// digits in this value following this digit.
|
|
//
|
|
// Continuation
|
|
// | Sign
|
|
// | |
|
|
// V V
|
|
// 101011
|
|
|
|
var VLQ_BASE_SHIFT = 5;
|
|
|
|
// binary: 100000
|
|
var VLQ_BASE = 1 << VLQ_BASE_SHIFT;
|
|
|
|
// binary: 011111
|
|
var VLQ_BASE_MASK = VLQ_BASE - 1;
|
|
|
|
// binary: 100000
|
|
var VLQ_CONTINUATION_BIT = VLQ_BASE;
|
|
|
|
/**
|
|
* Converts from a two-complement value to a value where the sign bit is
|
|
* is placed in the least significant bit. For example, as decimals:
|
|
* 1 becomes 2 (10 binary), -1 becomes 3 (11 binary)
|
|
* 2 becomes 4 (100 binary), -2 becomes 5 (101 binary)
|
|
*/
|
|
function toVLQSigned(aValue) {
|
|
return aValue < 0
|
|
? ((-aValue) << 1) + 1
|
|
: (aValue << 1) + 0;
|
|
}
|
|
|
|
/**
|
|
* Converts to a two-complement value from a value where the sign bit is
|
|
* is placed in the least significant bit. For example, as decimals:
|
|
* 2 (10 binary) becomes 1, 3 (11 binary) becomes -1
|
|
* 4 (100 binary) becomes 2, 5 (101 binary) becomes -2
|
|
*/
|
|
function fromVLQSigned(aValue) {
|
|
var isNegative = (aValue & 1) === 1;
|
|
var shifted = aValue >> 1;
|
|
return isNegative
|
|
? -shifted
|
|
: shifted;
|
|
}
|
|
|
|
/**
|
|
* Returns the base 64 VLQ encoded value.
|
|
*/
|
|
exports.encode = function base64VLQ_encode(aValue) {
|
|
var encoded = "";
|
|
var digit;
|
|
|
|
var vlq = toVLQSigned(aValue);
|
|
|
|
do {
|
|
digit = vlq & VLQ_BASE_MASK;
|
|
vlq >>>= VLQ_BASE_SHIFT;
|
|
if (vlq > 0) {
|
|
// There are still more digits in this value, so we must make sure the
|
|
// continuation bit is marked.
|
|
digit |= VLQ_CONTINUATION_BIT;
|
|
}
|
|
encoded += base64.encode(digit);
|
|
} while (vlq > 0);
|
|
|
|
return encoded;
|
|
};
|
|
|
|
/**
|
|
* Decodes the next base 64 VLQ value from the given string and returns the
|
|
* value and the rest of the string via the out parameter.
|
|
*/
|
|
exports.decode = function base64VLQ_decode(aStr, aOutParam) {
|
|
var i = 0;
|
|
var strLen = aStr.length;
|
|
var result = 0;
|
|
var shift = 0;
|
|
var continuation, digit;
|
|
|
|
do {
|
|
if (i >= strLen) {
|
|
throw new Error("Expected more digits in base 64 VLQ value.");
|
|
}
|
|
digit = base64.decode(aStr.charAt(i++));
|
|
continuation = !!(digit & VLQ_CONTINUATION_BIT);
|
|
digit &= VLQ_BASE_MASK;
|
|
result = result + (digit << shift);
|
|
shift += VLQ_BASE_SHIFT;
|
|
} while (continuation);
|
|
|
|
aOutParam.value = fromVLQSigned(result);
|
|
aOutParam.rest = aStr.slice(i);
|
|
};
|
|
|
|
});
|
|
/* -*- Mode: js; js-indent-level: 2; -*- */
|
|
/*
|
|
* Copyright 2011 Mozilla Foundation and contributors
|
|
* Licensed under the New BSD license. See LICENSE or:
|
|
* http://opensource.org/licenses/BSD-3-Clause
|
|
*/
|
|
define('source-map/base64', ['require', 'exports', 'module' , ], function(require, exports, module) {
|
|
|
|
var charToIntMap = {};
|
|
var intToCharMap = {};
|
|
|
|
'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
|
|
.split('')
|
|
.forEach(function (ch, index) {
|
|
charToIntMap[ch] = index;
|
|
intToCharMap[index] = ch;
|
|
});
|
|
|
|
/**
|
|
* Encode an integer in the range of 0 to 63 to a single base 64 digit.
|
|
*/
|
|
exports.encode = function base64_encode(aNumber) {
|
|
if (aNumber in intToCharMap) {
|
|
return intToCharMap[aNumber];
|
|
}
|
|
throw new TypeError("Must be between 0 and 63: " + aNumber);
|
|
};
|
|
|
|
/**
|
|
* Decode a single base 64 digit to an integer.
|
|
*/
|
|
exports.decode = function base64_decode(aChar) {
|
|
if (aChar in charToIntMap) {
|
|
return charToIntMap[aChar];
|
|
}
|
|
throw new TypeError("Not a valid base 64 digit: " + aChar);
|
|
};
|
|
|
|
});
|
|
/* -*- Mode: js; js-indent-level: 2; -*- */
|
|
/*
|
|
* Copyright 2011 Mozilla Foundation and contributors
|
|
* Licensed under the New BSD license. See LICENSE or:
|
|
* http://opensource.org/licenses/BSD-3-Clause
|
|
*/
|
|
define('source-map/source-map-generator', ['require', 'exports', 'module' , 'source-map/base64-vlq', 'source-map/util', 'source-map/array-set'], function(require, exports, module) {
|
|
|
|
var base64VLQ = require('source-map/base64-vlq');
|
|
var util = require('source-map/util');
|
|
var ArraySet = require('source-map/array-set').ArraySet;
|
|
|
|
/**
|
|
* An instance of the SourceMapGenerator represents a source map which is
|
|
* being built incrementally. You may pass an object with the following
|
|
* properties:
|
|
*
|
|
* - file: The filename of the generated source.
|
|
* - sourceRoot: A root for all relative URLs in this source map.
|
|
*/
|
|
function SourceMapGenerator(aArgs) {
|
|
if (!aArgs) {
|
|
aArgs = {};
|
|
}
|
|
this._file = util.getArg(aArgs, 'file', null);
|
|
this._sourceRoot = util.getArg(aArgs, 'sourceRoot', null);
|
|
this._sources = new ArraySet();
|
|
this._names = new ArraySet();
|
|
this._mappings = [];
|
|
this._sourcesContents = null;
|
|
}
|
|
|
|
SourceMapGenerator.prototype._version = 3;
|
|
|
|
/**
|
|
* Creates a new SourceMapGenerator based on a SourceMapConsumer
|
|
*
|
|
* @param aSourceMapConsumer The SourceMap.
|
|
*/
|
|
SourceMapGenerator.fromSourceMap =
|
|
function SourceMapGenerator_fromSourceMap(aSourceMapConsumer) {
|
|
var sourceRoot = aSourceMapConsumer.sourceRoot;
|
|
var generator = new SourceMapGenerator({
|
|
file: aSourceMapConsumer.file,
|
|
sourceRoot: sourceRoot
|
|
});
|
|
aSourceMapConsumer.eachMapping(function (mapping) {
|
|
var newMapping = {
|
|
generated: {
|
|
line: mapping.generatedLine,
|
|
column: mapping.generatedColumn
|
|
}
|
|
};
|
|
|
|
if (mapping.source != null) {
|
|
newMapping.source = mapping.source;
|
|
if (sourceRoot != null) {
|
|
newMapping.source = util.relative(sourceRoot, newMapping.source);
|
|
}
|
|
|
|
newMapping.original = {
|
|
line: mapping.originalLine,
|
|
column: mapping.originalColumn
|
|
};
|
|
|
|
if (mapping.name != null) {
|
|
newMapping.name = mapping.name;
|
|
}
|
|
}
|
|
|
|
generator.addMapping(newMapping);
|
|
});
|
|
aSourceMapConsumer.sources.forEach(function (sourceFile) {
|
|
var content = aSourceMapConsumer.sourceContentFor(sourceFile);
|
|
if (content != null) {
|
|
generator.setSourceContent(sourceFile, content);
|
|
}
|
|
});
|
|
return generator;
|
|
};
|
|
|
|
/**
|
|
* Add a single mapping from original source line and column to the generated
|
|
* source's line and column for this source map being created. The mapping
|
|
* object should have the following properties:
|
|
*
|
|
* - generated: An object with the generated line and column positions.
|
|
* - original: An object with the original line and column positions.
|
|
* - source: The original source file (relative to the sourceRoot).
|
|
* - name: An optional original token name for this mapping.
|
|
*/
|
|
SourceMapGenerator.prototype.addMapping =
|
|
function SourceMapGenerator_addMapping(aArgs) {
|
|
var generated = util.getArg(aArgs, 'generated');
|
|
var original = util.getArg(aArgs, 'original', null);
|
|
var source = util.getArg(aArgs, 'source', null);
|
|
var name = util.getArg(aArgs, 'name', null);
|
|
|
|
this._validateMapping(generated, original, source, name);
|
|
|
|
if (source != null && !this._sources.has(source)) {
|
|
this._sources.add(source);
|
|
}
|
|
|
|
if (name != null && !this._names.has(name)) {
|
|
this._names.add(name);
|
|
}
|
|
|
|
this._mappings.push({
|
|
generatedLine: generated.line,
|
|
generatedColumn: generated.column,
|
|
originalLine: original != null && original.line,
|
|
originalColumn: original != null && original.column,
|
|
source: source,
|
|
name: name
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Set the source content for a source file.
|
|
*/
|
|
SourceMapGenerator.prototype.setSourceContent =
|
|
function SourceMapGenerator_setSourceContent(aSourceFile, aSourceContent) {
|
|
var source = aSourceFile;
|
|
if (this._sourceRoot != null) {
|
|
source = util.relative(this._sourceRoot, source);
|
|
}
|
|
|
|
if (aSourceContent != null) {
|
|
// Add the source content to the _sourcesContents map.
|
|
// Create a new _sourcesContents map if the property is null.
|
|
if (!this._sourcesContents) {
|
|
this._sourcesContents = {};
|
|
}
|
|
this._sourcesContents[util.toSetString(source)] = aSourceContent;
|
|
} else if (this._sourcesContents) {
|
|
// Remove the source file from the _sourcesContents map.
|
|
// If the _sourcesContents map is empty, set the property to null.
|
|
delete this._sourcesContents[util.toSetString(source)];
|
|
if (Object.keys(this._sourcesContents).length === 0) {
|
|
this._sourcesContents = null;
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Applies the mappings of a sub-source-map for a specific source file to the
|
|
* source map being generated. Each mapping to the supplied source file is
|
|
* rewritten using the supplied source map. Note: The resolution for the
|
|
* resulting mappings is the minimium of this map and the supplied map.
|
|
*
|
|
* @param aSourceMapConsumer The source map to be applied.
|
|
* @param aSourceFile Optional. The filename of the source file.
|
|
* If omitted, SourceMapConsumer's file property will be used.
|
|
* @param aSourceMapPath Optional. The dirname of the path to the source map
|
|
* to be applied. If relative, it is relative to the SourceMapConsumer.
|
|
* This parameter is needed when the two source maps aren't in the same
|
|
* directory, and the source map to be applied contains relative source
|
|
* paths. If so, those relative source paths need to be rewritten
|
|
* relative to the SourceMapGenerator.
|
|
*/
|
|
SourceMapGenerator.prototype.applySourceMap =
|
|
function SourceMapGenerator_applySourceMap(aSourceMapConsumer, aSourceFile, aSourceMapPath) {
|
|
var sourceFile = aSourceFile;
|
|
// If aSourceFile is omitted, we will use the file property of the SourceMap
|
|
if (aSourceFile == null) {
|
|
if (aSourceMapConsumer.file == null) {
|
|
throw new Error(
|
|
'SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, ' +
|
|
'or the source map\'s "file" property. Both were omitted.'
|
|
);
|
|
}
|
|
sourceFile = aSourceMapConsumer.file;
|
|
}
|
|
var sourceRoot = this._sourceRoot;
|
|
// Make "sourceFile" relative if an absolute Url is passed.
|
|
if (sourceRoot != null) {
|
|
sourceFile = util.relative(sourceRoot, sourceFile);
|
|
}
|
|
// Applying the SourceMap can add and remove items from the sources and
|
|
// the names array.
|
|
var newSources = new ArraySet();
|
|
var newNames = new ArraySet();
|
|
|
|
// Find mappings for the "sourceFile"
|
|
this._mappings.forEach(function (mapping) {
|
|
if (mapping.source === sourceFile && mapping.originalLine != null) {
|
|
// Check if it can be mapped by the source map, then update the mapping.
|
|
var original = aSourceMapConsumer.originalPositionFor({
|
|
line: mapping.originalLine,
|
|
column: mapping.originalColumn
|
|
});
|
|
if (original.source != null) {
|
|
// Copy mapping
|
|
mapping.source = original.source;
|
|
if (aSourceMapPath != null) {
|
|
mapping.source = util.join(aSourceMapPath, mapping.source)
|
|
}
|
|
if (sourceRoot != null) {
|
|
mapping.source = util.relative(sourceRoot, mapping.source);
|
|
}
|
|
mapping.originalLine = original.line;
|
|
mapping.originalColumn = original.column;
|
|
if (original.name != null) {
|
|
mapping.name = original.name;
|
|
}
|
|
}
|
|
}
|
|
|
|
var source = mapping.source;
|
|
if (source != null && !newSources.has(source)) {
|
|
newSources.add(source);
|
|
}
|
|
|
|
var name = mapping.name;
|
|
if (name != null && !newNames.has(name)) {
|
|
newNames.add(name);
|
|
}
|
|
|
|
}, this);
|
|
this._sources = newSources;
|
|
this._names = newNames;
|
|
|
|
// Copy sourcesContents of applied map.
|
|
aSourceMapConsumer.sources.forEach(function (sourceFile) {
|
|
var content = aSourceMapConsumer.sourceContentFor(sourceFile);
|
|
if (content != null) {
|
|
if (aSourceMapPath != null) {
|
|
sourceFile = util.join(aSourceMapPath, sourceFile);
|
|
}
|
|
if (sourceRoot != null) {
|
|
sourceFile = util.relative(sourceRoot, sourceFile);
|
|
}
|
|
this.setSourceContent(sourceFile, content);
|
|
}
|
|
}, this);
|
|
};
|
|
|
|
/**
|
|
* A mapping can have one of the three levels of data:
|
|
*
|
|
* 1. Just the generated position.
|
|
* 2. The Generated position, original position, and original source.
|
|
* 3. Generated and original position, original source, as well as a name
|
|
* token.
|
|
*
|
|
* To maintain consistency, we validate that any new mapping being added falls
|
|
* in to one of these categories.
|
|
*/
|
|
SourceMapGenerator.prototype._validateMapping =
|
|
function SourceMapGenerator_validateMapping(aGenerated, aOriginal, aSource,
|
|
aName) {
|
|
if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
|
|
&& aGenerated.line > 0 && aGenerated.column >= 0
|
|
&& !aOriginal && !aSource && !aName) {
|
|
// Case 1.
|
|
return;
|
|
}
|
|
else if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
|
|
&& aOriginal && 'line' in aOriginal && 'column' in aOriginal
|
|
&& aGenerated.line > 0 && aGenerated.column >= 0
|
|
&& aOriginal.line > 0 && aOriginal.column >= 0
|
|
&& aSource) {
|
|
// Cases 2 and 3.
|
|
return;
|
|
}
|
|
else {
|
|
throw new Error('Invalid mapping: ' + JSON.stringify({
|
|
generated: aGenerated,
|
|
source: aSource,
|
|
original: aOriginal,
|
|
name: aName
|
|
}));
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Serialize the accumulated mappings in to the stream of base 64 VLQs
|
|
* specified by the source map format.
|
|
*/
|
|
SourceMapGenerator.prototype._serializeMappings =
|
|
function SourceMapGenerator_serializeMappings() {
|
|
var previousGeneratedColumn = 0;
|
|
var previousGeneratedLine = 1;
|
|
var previousOriginalColumn = 0;
|
|
var previousOriginalLine = 0;
|
|
var previousName = 0;
|
|
var previousSource = 0;
|
|
var result = '';
|
|
var mapping;
|
|
|
|
// The mappings must be guaranteed to be in sorted order before we start
|
|
// serializing them or else the generated line numbers (which are defined
|
|
// via the ';' separators) will be all messed up. Note: it might be more
|
|
// performant to maintain the sorting as we insert them, rather than as we
|
|
// serialize them, but the big O is the same either way.
|
|
this._mappings.sort(util.compareByGeneratedPositions);
|
|
|
|
for (var i = 0, len = this._mappings.length; i < len; i++) {
|
|
mapping = this._mappings[i];
|
|
|
|
if (mapping.generatedLine !== previousGeneratedLine) {
|
|
previousGeneratedColumn = 0;
|
|
while (mapping.generatedLine !== previousGeneratedLine) {
|
|
result += ';';
|
|
previousGeneratedLine++;
|
|
}
|
|
}
|
|
else {
|
|
if (i > 0) {
|
|
if (!util.compareByGeneratedPositions(mapping, this._mappings[i - 1])) {
|
|
continue;
|
|
}
|
|
result += ',';
|
|
}
|
|
}
|
|
|
|
result += base64VLQ.encode(mapping.generatedColumn
|
|
- previousGeneratedColumn);
|
|
previousGeneratedColumn = mapping.generatedColumn;
|
|
|
|
if (mapping.source != null) {
|
|
result += base64VLQ.encode(this._sources.indexOf(mapping.source)
|
|
- previousSource);
|
|
previousSource = this._sources.indexOf(mapping.source);
|
|
|
|
// lines are stored 0-based in SourceMap spec version 3
|
|
result += base64VLQ.encode(mapping.originalLine - 1
|
|
- previousOriginalLine);
|
|
previousOriginalLine = mapping.originalLine - 1;
|
|
|
|
result += base64VLQ.encode(mapping.originalColumn
|
|
- previousOriginalColumn);
|
|
previousOriginalColumn = mapping.originalColumn;
|
|
|
|
if (mapping.name != null) {
|
|
result += base64VLQ.encode(this._names.indexOf(mapping.name)
|
|
- previousName);
|
|
previousName = this._names.indexOf(mapping.name);
|
|
}
|
|
}
|
|
}
|
|
|
|
return result;
|
|
};
|
|
|
|
SourceMapGenerator.prototype._generateSourcesContent =
|
|
function SourceMapGenerator_generateSourcesContent(aSources, aSourceRoot) {
|
|
return aSources.map(function (source) {
|
|
if (!this._sourcesContents) {
|
|
return null;
|
|
}
|
|
if (aSourceRoot != null) {
|
|
source = util.relative(aSourceRoot, source);
|
|
}
|
|
var key = util.toSetString(source);
|
|
return Object.prototype.hasOwnProperty.call(this._sourcesContents,
|
|
key)
|
|
? this._sourcesContents[key]
|
|
: null;
|
|
}, this);
|
|
};
|
|
|
|
/**
|
|
* Externalize the source map.
|
|
*/
|
|
SourceMapGenerator.prototype.toJSON =
|
|
function SourceMapGenerator_toJSON() {
|
|
var map = {
|
|
version: this._version,
|
|
sources: this._sources.toArray(),
|
|
names: this._names.toArray(),
|
|
mappings: this._serializeMappings()
|
|
};
|
|
if (this._file != null) {
|
|
map.file = this._file;
|
|
}
|
|
if (this._sourceRoot != null) {
|
|
map.sourceRoot = this._sourceRoot;
|
|
}
|
|
if (this._sourcesContents) {
|
|
map.sourcesContent = this._generateSourcesContent(map.sources, map.sourceRoot);
|
|
}
|
|
|
|
return map;
|
|
};
|
|
|
|
/**
|
|
* Render the source map being generated to a string.
|
|
*/
|
|
SourceMapGenerator.prototype.toString =
|
|
function SourceMapGenerator_toString() {
|
|
return JSON.stringify(this);
|
|
};
|
|
|
|
exports.SourceMapGenerator = SourceMapGenerator;
|
|
|
|
});
|
|
/* -*- Mode: js; js-indent-level: 2; -*- */
|
|
/*
|
|
* Copyright 2011 Mozilla Foundation and contributors
|
|
* Licensed under the New BSD license. See LICENSE or:
|
|
* http://opensource.org/licenses/BSD-3-Clause
|
|
*/
|
|
define('source-map/source-node', ['require', 'exports', 'module' , 'source-map/source-map-generator', 'source-map/util'], function(require, exports, module) {
|
|
|
|
var SourceMapGenerator = require('source-map/source-map-generator').SourceMapGenerator;
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var util = require('source-map/util');
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// Matches a Windows-style `\r\n` newline or a `\n` newline used by all other
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// operating systems these days (capturing the result).
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var REGEX_NEWLINE = /(\r?\n)/;
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// Matches a Windows-style newline, or any character.
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var REGEX_CHARACTER = /\r\n|[\s\S]/g;
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/**
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* SourceNodes provide a way to abstract over interpolating/concatenating
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* snippets of generated JavaScript source code while maintaining the line and
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* column information associated with the original source code.
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*
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* @param aLine The original line number.
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* @param aColumn The original column number.
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* @param aSource The original source's filename.
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* @param aChunks Optional. An array of strings which are snippets of
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* generated JS, or other SourceNodes.
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* @param aName The original identifier.
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*/
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function SourceNode(aLine, aColumn, aSource, aChunks, aName) {
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this.children = [];
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this.sourceContents = {};
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this.line = aLine == null ? null : aLine;
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this.column = aColumn == null ? null : aColumn;
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this.source = aSource == null ? null : aSource;
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this.name = aName == null ? null : aName;
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if (aChunks != null) this.add(aChunks);
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}
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/**
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* Creates a SourceNode from generated code and a SourceMapConsumer.
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*
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* @param aGeneratedCode The generated code
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* @param aSourceMapConsumer The SourceMap for the generated code
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* @param aRelativePath Optional. The path that relative sources in the
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* SourceMapConsumer should be relative to.
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*/
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SourceNode.fromStringWithSourceMap =
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function SourceNode_fromStringWithSourceMap(aGeneratedCode, aSourceMapConsumer, aRelativePath) {
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// The SourceNode we want to fill with the generated code
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// and the SourceMap
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var node = new SourceNode();
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// All even indices of this array are one line of the generated code,
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// while all odd indices are the newlines between two adjacent lines
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// (since `REGEX_NEWLINE` captures its match).
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// Processed fragments are removed from this array, by calling `shiftNextLine`.
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var remainingLines = aGeneratedCode.split(REGEX_NEWLINE);
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var shiftNextLine = function() {
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var lineContents = remainingLines.shift();
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// The last line of a file might not have a newline.
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var newLine = remainingLines.shift() || "";
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return lineContents + newLine;
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};
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// We need to remember the position of "remainingLines"
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var lastGeneratedLine = 1, lastGeneratedColumn = 0;
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// The generate SourceNodes we need a code range.
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// To extract it current and last mapping is used.
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// Here we store the last mapping.
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var lastMapping = null;
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aSourceMapConsumer.eachMapping(function (mapping) {
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if (lastMapping !== null) {
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// We add the code from "lastMapping" to "mapping":
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// First check if there is a new line in between.
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if (lastGeneratedLine < mapping.generatedLine) {
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var code = "";
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// Associate first line with "lastMapping"
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addMappingWithCode(lastMapping, shiftNextLine());
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lastGeneratedLine++;
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lastGeneratedColumn = 0;
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// The remaining code is added without mapping
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} else {
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// There is no new line in between.
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// Associate the code between "lastGeneratedColumn" and
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// "mapping.generatedColumn" with "lastMapping"
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var nextLine = remainingLines[0];
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var code = nextLine.substr(0, mapping.generatedColumn -
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lastGeneratedColumn);
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remainingLines[0] = nextLine.substr(mapping.generatedColumn -
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lastGeneratedColumn);
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lastGeneratedColumn = mapping.generatedColumn;
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addMappingWithCode(lastMapping, code);
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// No more remaining code, continue
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lastMapping = mapping;
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return;
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}
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}
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// We add the generated code until the first mapping
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// to the SourceNode without any mapping.
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// Each line is added as separate string.
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while (lastGeneratedLine < mapping.generatedLine) {
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node.add(shiftNextLine());
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lastGeneratedLine++;
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}
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if (lastGeneratedColumn < mapping.generatedColumn) {
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var nextLine = remainingLines[0];
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node.add(nextLine.substr(0, mapping.generatedColumn));
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remainingLines[0] = nextLine.substr(mapping.generatedColumn);
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lastGeneratedColumn = mapping.generatedColumn;
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}
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lastMapping = mapping;
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}, this);
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// We have processed all mappings.
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if (remainingLines.length > 0) {
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if (lastMapping) {
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// Associate the remaining code in the current line with "lastMapping"
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addMappingWithCode(lastMapping, shiftNextLine());
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}
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// and add the remaining lines without any mapping
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node.add(remainingLines.join(""));
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}
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// Copy sourcesContent into SourceNode
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aSourceMapConsumer.sources.forEach(function (sourceFile) {
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var content = aSourceMapConsumer.sourceContentFor(sourceFile);
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if (content != null) {
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if (aRelativePath != null) {
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sourceFile = util.join(aRelativePath, sourceFile);
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}
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node.setSourceContent(sourceFile, content);
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}
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});
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return node;
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function addMappingWithCode(mapping, code) {
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if (mapping === null || mapping.source === undefined) {
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node.add(code);
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} else {
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var source = aRelativePath
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? util.join(aRelativePath, mapping.source)
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: mapping.source;
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node.add(new SourceNode(mapping.originalLine,
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mapping.originalColumn,
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source,
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code,
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mapping.name));
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}
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}
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};
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/**
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* Add a chunk of generated JS to this source node.
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*
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* @param aChunk A string snippet of generated JS code, another instance of
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* SourceNode, or an array where each member is one of those things.
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*/
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SourceNode.prototype.add = function SourceNode_add(aChunk) {
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if (Array.isArray(aChunk)) {
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aChunk.forEach(function (chunk) {
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this.add(chunk);
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}, this);
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}
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else if (aChunk instanceof SourceNode || typeof aChunk === "string") {
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if (aChunk) {
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this.children.push(aChunk);
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}
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}
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else {
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throw new TypeError(
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"Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
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);
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}
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return this;
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};
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/**
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* Add a chunk of generated JS to the beginning of this source node.
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*
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* @param aChunk A string snippet of generated JS code, another instance of
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* SourceNode, or an array where each member is one of those things.
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*/
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SourceNode.prototype.prepend = function SourceNode_prepend(aChunk) {
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if (Array.isArray(aChunk)) {
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for (var i = aChunk.length-1; i >= 0; i--) {
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this.prepend(aChunk[i]);
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}
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}
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else if (aChunk instanceof SourceNode || typeof aChunk === "string") {
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this.children.unshift(aChunk);
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}
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else {
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throw new TypeError(
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"Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
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);
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}
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return this;
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};
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/**
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* Walk over the tree of JS snippets in this node and its children. The
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* walking function is called once for each snippet of JS and is passed that
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* snippet and the its original associated source's line/column location.
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*
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* @param aFn The traversal function.
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*/
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SourceNode.prototype.walk = function SourceNode_walk(aFn) {
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var chunk;
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for (var i = 0, len = this.children.length; i < len; i++) {
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chunk = this.children[i];
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if (chunk instanceof SourceNode) {
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chunk.walk(aFn);
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}
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else {
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if (chunk !== '') {
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aFn(chunk, { source: this.source,
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line: this.line,
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column: this.column,
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name: this.name });
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}
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}
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}
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};
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/**
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* Like `String.prototype.join` except for SourceNodes. Inserts `aStr` between
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* each of `this.children`.
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*
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* @param aSep The separator.
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*/
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SourceNode.prototype.join = function SourceNode_join(aSep) {
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var newChildren;
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var i;
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var len = this.children.length;
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if (len > 0) {
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newChildren = [];
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for (i = 0; i < len-1; i++) {
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newChildren.push(this.children[i]);
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newChildren.push(aSep);
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}
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newChildren.push(this.children[i]);
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this.children = newChildren;
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}
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return this;
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};
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/**
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* Call String.prototype.replace on the very right-most source snippet. Useful
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* for trimming whitespace from the end of a source node, etc.
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*
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* @param aPattern The pattern to replace.
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* @param aReplacement The thing to replace the pattern with.
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*/
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SourceNode.prototype.replaceRight = function SourceNode_replaceRight(aPattern, aReplacement) {
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var lastChild = this.children[this.children.length - 1];
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if (lastChild instanceof SourceNode) {
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lastChild.replaceRight(aPattern, aReplacement);
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}
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else if (typeof lastChild === 'string') {
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this.children[this.children.length - 1] = lastChild.replace(aPattern, aReplacement);
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}
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else {
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this.children.push(''.replace(aPattern, aReplacement));
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}
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return this;
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};
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/**
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* Set the source content for a source file. This will be added to the SourceMapGenerator
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* in the sourcesContent field.
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*
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* @param aSourceFile The filename of the source file
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* @param aSourceContent The content of the source file
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*/
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SourceNode.prototype.setSourceContent =
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function SourceNode_setSourceContent(aSourceFile, aSourceContent) {
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this.sourceContents[util.toSetString(aSourceFile)] = aSourceContent;
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};
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/**
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* Walk over the tree of SourceNodes. The walking function is called for each
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* source file content and is passed the filename and source content.
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*
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* @param aFn The traversal function.
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*/
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SourceNode.prototype.walkSourceContents =
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function SourceNode_walkSourceContents(aFn) {
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for (var i = 0, len = this.children.length; i < len; i++) {
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if (this.children[i] instanceof SourceNode) {
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this.children[i].walkSourceContents(aFn);
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}
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}
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var sources = Object.keys(this.sourceContents);
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for (var i = 0, len = sources.length; i < len; i++) {
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aFn(util.fromSetString(sources[i]), this.sourceContents[sources[i]]);
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}
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};
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/**
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* Return the string representation of this source node. Walks over the tree
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* and concatenates all the various snippets together to one string.
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*/
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SourceNode.prototype.toString = function SourceNode_toString() {
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var str = "";
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this.walk(function (chunk) {
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str += chunk;
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});
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return str;
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};
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/**
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* Returns the string representation of this source node along with a source
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* map.
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*/
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SourceNode.prototype.toStringWithSourceMap = function SourceNode_toStringWithSourceMap(aArgs) {
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var generated = {
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code: "",
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line: 1,
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column: 0
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};
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var map = new SourceMapGenerator(aArgs);
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var sourceMappingActive = false;
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var lastOriginalSource = null;
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var lastOriginalLine = null;
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var lastOriginalColumn = null;
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var lastOriginalName = null;
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this.walk(function (chunk, original) {
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generated.code += chunk;
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if (original.source !== null
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&& original.line !== null
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&& original.column !== null) {
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if(lastOriginalSource !== original.source
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|| lastOriginalLine !== original.line
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|| lastOriginalColumn !== original.column
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|| lastOriginalName !== original.name) {
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map.addMapping({
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source: original.source,
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original: {
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line: original.line,
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column: original.column
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},
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generated: {
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line: generated.line,
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column: generated.column
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},
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name: original.name
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});
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}
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lastOriginalSource = original.source;
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lastOriginalLine = original.line;
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lastOriginalColumn = original.column;
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lastOriginalName = original.name;
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sourceMappingActive = true;
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} else if (sourceMappingActive) {
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map.addMapping({
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generated: {
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line: generated.line,
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column: generated.column
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}
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});
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lastOriginalSource = null;
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sourceMappingActive = false;
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}
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chunk.match(REGEX_CHARACTER).forEach(function (ch, idx, array) {
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if (REGEX_NEWLINE.test(ch)) {
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generated.line++;
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generated.column = 0;
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// Mappings end at eol
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if (idx + 1 === array.length) {
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lastOriginalSource = null;
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sourceMappingActive = false;
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} else if (sourceMappingActive) {
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map.addMapping({
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source: original.source,
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original: {
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line: original.line,
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column: original.column
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},
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generated: {
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line: generated.line,
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column: generated.column
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},
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name: original.name
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});
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}
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} else {
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generated.column += ch.length;
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}
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});
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});
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this.walkSourceContents(function (sourceFile, sourceContent) {
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map.setSourceContent(sourceFile, sourceContent);
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});
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return { code: generated.code, map: map };
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};
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exports.SourceNode = SourceNode;
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});
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/* -*- Mode: js; js-indent-level: 2; -*- */
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///////////////////////////////////////////////////////////////////////////////
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this.SourceMapConsumer = require('source-map/source-map-consumer').SourceMapConsumer;
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this.SourceMapGenerator = require('source-map/source-map-generator').SourceMapGenerator;
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this.SourceNode = require('source-map/source-node').SourceNode;
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