react / wstein / node_modules / browserify / node_modules / browser-pack / node_modules / combine-source-map / node_modules / source-map / dist / SourceMap.jsm
80556 views/* -*- 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
*/
/*
* WARNING!
*
* Do not edit this file directly, it is built from the sources at
* https://github.com/mozilla/source-map/
*/
///////////////////////////////////////////////////////////////////////////////
this.EXPORTED_SYMBOLS = [ "SourceMapConsumer", "SourceMapGenerator", "SourceNode" ];
Components.utils.import('resource://gre/modules/devtools/Require.jsm');
/* -*- 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-consumer', ['require', 'exports', 'module' , 'source-map/util', 'source-map/asm-parser', 'source-map/binary-search', 'source-map/array-set', 'source-map/base64-vlq'], function(require, exports, module) {
var util = require('source-map/util');
var asmParser = require('source-map/asm-parser');
var binarySearch = require('source-map/binary-search');
var ArraySet = require('source-map/array-set').ArraySet;
var base64VLQ = require('source-map/base64-vlq');
function SourceMapConsumer(aSourceMap) {
var sourceMap = aSourceMap;
if (typeof aSourceMap === 'string') {
sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, ''));
}
return sourceMap.sections != null
? new IndexedSourceMapConsumer(sourceMap)
: new BasicSourceMapConsumer(sourceMap);
}
SourceMapConsumer.fromSourceMap = function(aSourceMap) {
return BasicSourceMapConsumer.fromSourceMap(aSourceMap);
}
/**
* The version of the source mapping spec that we are consuming.
*/
SourceMapConsumer.prototype._version = 3;
// `__generatedMappings` and `__originalMappings` are arrays that hold the
// parsed mapping coordinates from the source map's "mappings" attribute. They
// are lazily instantiated, accessed via the `_generatedMappings` and
// `_originalMappings` getters respectively, and we only parse the mappings
// and create these arrays once queried for a source location. We jump through
// these hoops because there can be many thousands of mappings, and parsing
// them is expensive, so we only want to do it if we must.
//
// Each object in the arrays is of the form:
//
// {
// generatedLine: The line number in the generated code,
// generatedColumn: The column number in the generated code,
// source: The path to the original source file that generated this
// chunk of code,
// originalLine: The line number in the original source that
// corresponds to this chunk of generated code,
// originalColumn: The column number in the original source that
// corresponds to this chunk of generated code,
// name: The name of the original symbol which generated this chunk of
// code.
// }
//
// All properties except for `generatedLine` and `generatedColumn` can be
// `null`.
//
// `_generatedMappings` is ordered by the generated positions.
//
// `_originalMappings` is ordered by the original positions.
SourceMapConsumer.prototype.__generatedMappings = null;
Object.defineProperty(SourceMapConsumer.prototype, '_generatedMappings', {
get: function () {
if (!this.__generatedMappings) {
this.__generatedMappings = [];
this.__originalMappings = [];
this._parseMappings(this._mappings, this.sourceRoot);
}
return this.__generatedMappings;
}
});
SourceMapConsumer.prototype.__originalMappings = null;
Object.defineProperty(SourceMapConsumer.prototype, '_originalMappings', {
get: function () {
if (!this.__originalMappings) {
this.__generatedMappings = [];
this.__originalMappings = [];
this._parseMappings(this._mappings, this.sourceRoot);
}
return this.__originalMappings;
}
});
SourceMapConsumer.prototype._nextCharIsMappingSeparator =
function SourceMapConsumer_nextCharIsMappingSeparator(aStr, index) {
var c = aStr.charAt(index);
return c === ";" || c === ",";
};
/**
* Parse the mappings in a string in to a data structure which we can easily
* query (the ordered arrays in the `this.__generatedMappings` and
* `this.__originalMappings` properties).
*/
SourceMapConsumer.prototype._parseMappings =
function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
throw new Error("Subclasses must implement _parseMappings");
};
SourceMapConsumer.GENERATED_ORDER = 1;
SourceMapConsumer.ORIGINAL_ORDER = 2;
SourceMapConsumer.LEAST_UPPER_BOUND = 1;
SourceMapConsumer.GREATEST_LOWER_BOUND = 2;
/**
* Iterate over each mapping between an original source/line/column and a
* generated line/column in this source map.
*
* @param Function aCallback
* The function that is called with each mapping.
* @param Object aContext
* Optional. If specified, this object will be the value of `this` every
* time that `aCallback` is called.
* @param aOrder
* Either `SourceMapConsumer.GENERATED_ORDER` or
* `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to
* iterate over the mappings sorted by the generated file's line/column
* order or the original's source/line/column order, respectively. Defaults to
* `SourceMapConsumer.GENERATED_ORDER`.
*/
SourceMapConsumer.prototype.eachMapping =
function SourceMapConsumer_eachMapping(aCallback, aContext, aOrder) {
var context = aContext || null;
var order = aOrder || SourceMapConsumer.GENERATED_ORDER;
var mappings;
switch (order) {
case SourceMapConsumer.GENERATED_ORDER:
mappings = this._generatedMappings;
break;
case SourceMapConsumer.ORIGINAL_ORDER:
mappings = this._originalMappings;
break;
default:
throw new Error("Unknown order of iteration.");
}
var sourceRoot = this.sourceRoot;
mappings.map(function (mapping) {
var source = mapping.source;
if (source != null && sourceRoot != null) {
source = util.join(sourceRoot, source);
}
return {
source: source,
generatedLine: mapping.generatedLine,
generatedColumn: mapping.generatedColumn,
originalLine: mapping.originalLine,
originalColumn: mapping.originalColumn,
name: mapping.name
};
}).forEach(aCallback, context);
};
/**
* Returns all generated line and column information for the original source
* and line provided. The only argument is an object with the following
* properties:
*
* - source: The filename of the original source.
* - line: The line number in the original source.
*
* and an array of objects is returned, each with the following properties:
*
* - line: The line number in the generated source, or null.
* - column: The column number in the generated source, or null.
*/
SourceMapConsumer.prototype.allGeneratedPositionsFor =
function SourceMapConsumer_allGeneratedPositionsFor(aArgs) {
var needle = {
source: util.getArg(aArgs, 'source'),
originalLine: util.getArg(aArgs, 'line'),
originalColumn: 0
};
if (this.sourceRoot != null) {
needle.source = util.relative(this.sourceRoot, needle.source);
}
var mappings = [];
var index = this._findMapping(needle,
this._originalMappings,
"originalLine",
"originalColumn",
util.compareByOriginalPositions);
if (index >= 0) {
var mapping = this._originalMappings[index];
// Iterate until either we run out of mappings, or we run into
// a mapping for a different line. Since mappings are sorted, this is
// guaranteed to find all mappings for the line we are interested in.
while (mapping && mapping.originalLine === needle.originalLine) {
mappings.push({
line: util.getArg(mapping, 'generatedLine', null),
column: util.getArg(mapping, 'generatedColumn', null),
lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
});
mapping = this._originalMappings[++index];
}
}
return mappings;
};
exports.SourceMapConsumer = SourceMapConsumer;
/**
* A BasicSourceMapConsumer instance represents a parsed source map which we can
* query for information about the original file positions by giving it a file
* position in the generated source.
*
* The only parameter is the raw source map (either as a JSON string, or
* already parsed to an object). According to the spec, source maps have the
* following attributes:
*
* - version: Which version of the source map spec this map is following.
* - sources: An array of URLs to the original source files.
* - names: An array of identifiers which can be referrenced by individual mappings.
* - sourceRoot: Optional. The URL root from which all sources are relative.
* - sourcesContent: Optional. An array of contents of the original source files.
* - mappings: A string of base64 VLQs which contain the actual mappings.
* - file: Optional. The generated file this source map is associated with.
*
* Here is an example source map, taken from the source map spec[0]:
*
* {
* version : 3,
* file: "out.js",
* sourceRoot : "",
* sources: ["foo.js", "bar.js"],
* names: ["src", "maps", "are", "fun"],
* mappings: "AA,AB;;ABCDE;"
* }
*
* [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1#
*/
function BasicSourceMapConsumer(aSourceMap) {
var sourceMap = aSourceMap;
if (typeof aSourceMap === 'string') {
sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, ''));
}
var version = util.getArg(sourceMap, 'version');
var sources = util.getArg(sourceMap, 'sources');
// Sass 3.3 leaves out the 'names' array, so we deviate from the spec (which
// requires the array) to play nice here.
var names = util.getArg(sourceMap, 'names', []);
var sourceRoot = util.getArg(sourceMap, 'sourceRoot', null);
var sourcesContent = util.getArg(sourceMap, 'sourcesContent', null);
var mappings = util.getArg(sourceMap, 'mappings');
var file = util.getArg(sourceMap, 'file', null);
// Once again, Sass deviates from the spec and supplies the version as a
// string rather than a number, so we use loose equality checking here.
if (version != this._version) {
throw new Error('Unsupported version: ' + version);
}
// Some source maps produce relative source paths like "./foo.js" instead of
// "foo.js". Normalize these first so that future comparisons will succeed.
// See bugzil.la/1090768.
sources = sources.map(util.normalize);
// Pass `true` below to allow duplicate names and sources. While source maps
// are intended to be compressed and deduplicated, the TypeScript compiler
// sometimes generates source maps with duplicates in them. See Github issue
// #72 and bugzil.la/889492.
this._names = ArraySet.fromArray(names, true);
this._sources = ArraySet.fromArray(sources, true);
this.sourceRoot = sourceRoot;
this.sourcesContent = sourcesContent;
this._mappings = mappings;
this.file = file;
}
BasicSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype);
BasicSourceMapConsumer.prototype.consumer = SourceMapConsumer;
/**
* Create a BasicSourceMapConsumer from a SourceMapGenerator.
*
* @param SourceMapGenerator aSourceMap
* The source map that will be consumed.
* @returns BasicSourceMapConsumer
*/
BasicSourceMapConsumer.fromSourceMap =
function SourceMapConsumer_fromSourceMap(aSourceMap) {
var smc = Object.create(BasicSourceMapConsumer.prototype);
smc._names = ArraySet.fromArray(aSourceMap._names.toArray(), true);
smc._sources = ArraySet.fromArray(aSourceMap._sources.toArray(), true);
smc.sourceRoot = aSourceMap._sourceRoot;
smc.sourcesContent = aSourceMap._generateSourcesContent(smc._sources.toArray(),
smc.sourceRoot);
smc.file = aSourceMap._file;
smc.__generatedMappings = aSourceMap._mappings.toArray().slice();
smc.__originalMappings = aSourceMap._mappings.toArray().slice()
.sort(util.compareByOriginalPositions);
return smc;
};
/**
* The version of the source mapping spec that we are consuming.
*/
BasicSourceMapConsumer.prototype._version = 3;
/**
* The list of original sources.
*/
Object.defineProperty(BasicSourceMapConsumer.prototype, 'sources', {
get: function () {
return this._sources.toArray().map(function (s) {
return this.sourceRoot != null ? util.join(this.sourceRoot, s) : s;
}, this);
}
});
/**
* Parse the mappings in a string in to a data structure which we can easily
* query (the ordered arrays in the `this.__generatedMappings` and
* `this.__originalMappings` properties).
*/
BasicSourceMapConsumer.prototype._parseMappings =
asmParser.parseMappings;
/**
* Find the mapping that best matches the hypothetical "needle" mapping that
* we are searching for in the given "haystack" of mappings.
*/
BasicSourceMapConsumer.prototype._findMapping =
function SourceMapConsumer_findMapping(aNeedle, aMappings, aLineName,
aColumnName, aComparator) {
// To return the position we are searching for, we must first find the
// mapping for the given position and then return the opposite position it
// points to. Because the mappings are sorted, we can use binary search to
// find the best mapping.
if (aNeedle[aLineName] <= 0) {
throw new TypeError('Line must be greater than or equal to 1, got '
+ aNeedle[aLineName]);
}
if (aNeedle[aColumnName] < 0) {
throw new TypeError('Column must be greater than or equal to 0, got '
+ aNeedle[aColumnName]);
}
return binarySearch.search(aNeedle, aMappings, aComparator);
};
/**
* Compute the last column for each generated mapping. The last column is
* inclusive.
*/
BasicSourceMapConsumer.prototype.computeColumnSpans =
function SourceMapConsumer_computeColumnSpans() {
for (var index = 0; index < this._generatedMappings.length; ++index) {
var mapping = this._generatedMappings[index];
// Mappings do not contain a field for the last generated columnt. We
// can come up with an optimistic estimate, however, by assuming that
// mappings are contiguous (i.e. given two consecutive mappings, the
// first mapping ends where the second one starts).
if (index + 1 < this._generatedMappings.length) {
var nextMapping = this._generatedMappings[index + 1];
if (mapping.generatedLine === nextMapping.generatedLine) {
mapping.lastGeneratedColumn = nextMapping.generatedColumn - 1;
continue;
}
}
// The last mapping for each line spans the entire line.
mapping.lastGeneratedColumn = Infinity;
}
};
/**
* Returns the original source, line, and column information for the generated
* source's line and column positions provided. The only argument is an object
* with the following properties:
*
* - line: The line number in the generated source.
* - column: The column number in the generated source.
*
* and an object is returned with the following properties:
*
* - source: The original source file, or null.
* - line: The line number in the original source, or null.
* - column: The column number in the original source, or null.
* - name: The original identifier, or null.
*/
BasicSourceMapConsumer.prototype.originalPositionFor =
function SourceMapConsumer_originalPositionFor(aArgs) {
var needle = {
generatedLine: util.getArg(aArgs, 'line'),
generatedColumn: util.getArg(aArgs, 'column')
};
var index = this._findMapping(needle,
this._generatedMappings,
"generatedLine",
"generatedColumn",
util.compareByGeneratedPositions);
if (index >= 0) {
var mapping = this._generatedMappings[index];
if (mapping.generatedLine === needle.generatedLine) {
var source = util.getArg(mapping, 'source', null);
if (source != null && this.sourceRoot != null) {
source = util.join(this.sourceRoot, source);
}
return {
source: source,
line: util.getArg(mapping, 'originalLine', null),
column: util.getArg(mapping, 'originalColumn', null),
name: util.getArg(mapping, 'name', null)
};
}
}
return {
source: null,
line: null,
column: null,
name: null
};
};
/**
* Returns the original source content. The only argument is the url of the
* original source file. Returns null if no original source content is
* availible.
*/
BasicSourceMapConsumer.prototype.sourceContentFor =
function SourceMapConsumer_sourceContentFor(aSource, nullOnMissing) {
if (!this.sourcesContent) {
return null;
}
if (this.sourceRoot != null) {
aSource = util.relative(this.sourceRoot, aSource);
}
if (this._sources.has(aSource)) {
return this.sourcesContent[this._sources.indexOf(aSource)];
}
var url;
if (this.sourceRoot != null
&& (url = util.urlParse(this.sourceRoot))) {
// XXX: file:// URIs and absolute paths lead to unexpected behavior for
// many users. We can help them out when they expect file:// URIs to
// behave like it would if they were running a local HTTP server. See
// https://bugzilla.mozilla.org/show_bug.cgi?id=885597.
var fileUriAbsPath = aSource.replace(/^file:\/\//, "");
if (url.scheme == "file"
&& this._sources.has(fileUriAbsPath)) {
return this.sourcesContent[this._sources.indexOf(fileUriAbsPath)]
}
if ((!url.path || url.path == "/")
&& this._sources.has("/" + aSource)) {
return this.sourcesContent[this._sources.indexOf("/" + aSource)];
}
}
// This function is used recursively from
// IndexedSourceMapConsumer.prototype.sourceContentFor. In that case, we
// don't want to throw if we can't find the source - we just want to
// return null, so we provide a flag to exit gracefully.
if (nullOnMissing) {
return null;
}
else {
throw new Error('"' + aSource + '" is not in the SourceMap.');
}
};
/**
* Returns the generated line and column information for the original source,
* line, and column positions provided. The only argument is an object with
* the following properties:
*
* - source: The filename of the original source.
* - line: The line number in the original source.
* - column: The column number in the original source.
*
* and an object is returned with the following properties:
*
* - line: The line number in the generated source, or null.
* - column: The column number in the generated source, or null.
*/
BasicSourceMapConsumer.prototype.generatedPositionFor =
function SourceMapConsumer_generatedPositionFor(aArgs) {
var needle = {
source: util.getArg(aArgs, 'source'),
originalLine: util.getArg(aArgs, 'line'),
originalColumn: util.getArg(aArgs, 'column')
};
if (this.sourceRoot != null) {
needle.source = util.relative(this.sourceRoot, needle.source);
}
var index = this._findMapping(needle,
this._originalMappings,
"originalLine",
"originalColumn",
util.compareByOriginalPositions);
if (index >= 0) {
var mapping = this._originalMappings[index];
return {
line: util.getArg(mapping, 'generatedLine', null),
column: util.getArg(mapping, 'generatedColumn', null),
lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
};
}
return {
line: null,
column: null,
lastColumn: null
};
};
exports.BasicSourceMapConsumer = BasicSourceMapConsumer;
/**
* An IndexedSourceMapConsumer instance represents a parsed source map which
* we can query for information. It differs from BasicSourceMapConsumer in
* that it takes "indexed" source maps (i.e. ones with a "sections" field) as
* input.
*
* The only parameter is a raw source map (either as a JSON string, or already
* parsed to an object). According to the spec for indexed source maps, they
* have the following attributes:
*
* - version: Which version of the source map spec this map is following.
* - file: Optional. The generated file this source map is associated with.
* - sections: A list of section definitions.
*
* Each value under the "sections" field has two fields:
* - offset: The offset into the original specified at which this section
* begins to apply, defined as an object with a "line" and "column"
* field.
* - map: A source map definition. This source map could also be indexed,
* but doesn't have to be.
*
* Instead of the "map" field, it's also possible to have a "url" field
* specifying a URL to retrieve a source map from, but that's currently
* unsupported.
*
* Here's an example source map, taken from the source map spec[0], but
* modified to omit a section which uses the "url" field.
*
* {
* version : 3,
* file: "app.js",
* sections: [{
* offset: {line:100, column:10},
* map: {
* version : 3,
* file: "section.js",
* sources: ["foo.js", "bar.js"],
* names: ["src", "maps", "are", "fun"],
* mappings: "AAAA,E;;ABCDE;"
* }
* }],
* }
*
* [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit#heading=h.535es3xeprgt
*/
function IndexedSourceMapConsumer(aSourceMap) {
var sourceMap = aSourceMap;
if (typeof aSourceMap === 'string') {
sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, ''));
}
var version = util.getArg(sourceMap, 'version');
var sections = util.getArg(sourceMap, 'sections');
if (version != this._version) {
throw new Error('Unsupported version: ' + version);
}
var lastOffset = {
line: -1,
column: 0
};
this._sections = sections.map(function (s) {
if (s.url) {
// The url field will require support for asynchronicity.
// See https://github.com/mozilla/source-map/issues/16
throw new Error('Support for url field in sections not implemented.');
}
var offset = util.getArg(s, 'offset');
var offsetLine = util.getArg(offset, 'line');
var offsetColumn = util.getArg(offset, 'column');
if (offsetLine < lastOffset.line ||
(offsetLine === lastOffset.line && offsetColumn < lastOffset.column)) {
throw new Error('Section offsets must be ordered and non-overlapping.');
}
lastOffset = offset;
return {
generatedOffset: {
// The offset fields are 0-based, but we use 1-based indices when
// encoding/decoding from VLQ.
generatedLine: offsetLine + 1,
generatedColumn: offsetColumn + 1
},
consumer: new SourceMapConsumer(util.getArg(s, 'map'))
}
});
}
IndexedSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype);
IndexedSourceMapConsumer.prototype.constructor = SourceMapConsumer;
/**
* The version of the source mapping spec that we are consuming.
*/
IndexedSourceMapConsumer.prototype._version = 3;
/**
* The list of original sources.
*/
Object.defineProperty(IndexedSourceMapConsumer.prototype, 'sources', {
get: function () {
var sources = [];
for (var i = 0; i < this._sections.length; i++) {
for (var j = 0; j < this._sections[i].consumer.sources.length; j++) {
sources.push(this._sections[i].consumer.sources[j]);
}
};
return sources;
}
});
/**
* Returns the original source, line, and column information for the generated
* source's line and column positions provided. The only argument is an object
* with the following properties:
*
* - line: The line number in the generated source.
* - column: The column number in the generated source.
*
* and an object is returned with the following properties:
*
* - source: The original source file, or null.
* - line: The line number in the original source, or null.
* - column: The column number in the original source, or null.
* - name: The original identifier, or null.
*/
IndexedSourceMapConsumer.prototype.originalPositionFor =
function IndexedSourceMapConsumer_originalPositionFor(aArgs) {
var needle = {
generatedLine: util.getArg(aArgs, 'line'),
generatedColumn: util.getArg(aArgs, 'column')
};
// Find the section containing the generated position we're trying to map
// to an original position.
var sectionIndex = binarySearch.search(needle, this._sections,
function(needle, section) {
var cmp = needle.generatedLine - section.generatedOffset.generatedLine;
if (cmp) {
return cmp;
}
return (needle.generatedColumn -
section.generatedOffset.generatedColumn);
}, binarySearch.GREATEST_LOWER_BOUND);
var section = this._sections[sectionIndex];
if (!section) {
return {
source: null,
line: null,
column: null,
name: null
};
}
return section.consumer.originalPositionFor({
line: needle.generatedLine -
(section.generatedOffset.generatedLine - 1),
column: needle.generatedColumn -
(section.generatedOffset.generatedLine === needle.generatedLine
? section.generatedOffset.generatedColumn - 1
: 0)
});
};
/**
* Returns the original source content. The only argument is the url of the
* original source file. Returns null if no original source content is
* available.
*/
IndexedSourceMapConsumer.prototype.sourceContentFor =
function IndexedSourceMapConsumer_sourceContentFor(aSource, nullOnMissing) {
for (var i = 0; i < this._sections.length; i++) {
var section = this._sections[i];
var content = section.consumer.sourceContentFor(aSource, true);
if (content) {
return content;
}
}
if (nullOnMissing) {
return null;
}
else {
throw new Error('"' + aSource + '" is not in the SourceMap.');
}
};
/**
* Returns the generated line and column information for the original source,
* line, and column positions provided. The only argument is an object with
* the following properties:
*
* - source: The filename of the original source.
* - line: The line number in the original source.
* - column: The column number in the original source.
*
* and an object is returned with the following properties:
*
* - line: The line number in the generated source, or null.
* - column: The column number in the generated source, or null.
*/
IndexedSourceMapConsumer.prototype.generatedPositionFor =
function IndexedSourceMapConsumer_generatedPositionFor(aArgs) {
for (var i = 0; i < this._sections.length; i++) {
var section = this._sections[i];
// Only consider this section if the requested source is in the list of
// sources of the consumer.
if (section.consumer.sources.indexOf(util.getArg(aArgs, 'source')) === -1) {
continue;
}
var generatedPosition = section.consumer.generatedPositionFor(aArgs);
if (generatedPosition) {
var ret = {
line: generatedPosition.line +
(section.generatedOffset.generatedLine - 1),
column: generatedPosition.column +
(section.generatedOffset.generatedLine === generatedPosition.line
? section.generatedOffset.generatedColumn - 1
: 0)
};
return ret;
}
}
return {
line: null,
column: null
};
};
/**
* Parse the mappings in a string in to a data structure which we can easily
* query (the ordered arrays in the `this.__generatedMappings` and
* `this.__originalMappings` properties).
*/
IndexedSourceMapConsumer.prototype._parseMappings =
function IndexedSourceMapConsumer_parseMappings(aStr, aSourceRoot) {
this.__generatedMappings = [];
this.__originalMappings = [];
for (var i = 0; i < this._sections.length; i++) {
var section = this._sections[i];
var sectionMappings = section.consumer._generatedMappings;
for (var j = 0; j < sectionMappings.length; j++) {
var mapping = sectionMappings[i];
var source = mapping.source;
var sourceRoot = section.consumer.sourceRoot;
if (source != null && sourceRoot != null) {
source = util.join(sourceRoot, source);
}
// The mappings coming from the consumer for the section have
// generated positions relative to the start of the section, so we
// need to offset them to be relative to the start of the concatenated
// generated file.
var adjustedMapping = {
source: source,
generatedLine: mapping.generatedLine +
(section.generatedOffset.generatedLine - 1),
generatedColumn: mapping.column +
(section.generatedOffset.generatedLine === mapping.generatedLine)
? section.generatedOffset.generatedColumn - 1
: 0,
originalLine: mapping.originalLine,
originalColumn: mapping.originalColumn,
name: mapping.name
};
this.__generatedMappings.push(adjustedMapping);
if (typeof adjustedMapping.originalLine === 'number') {
this.__originalMappings.push(adjustedMapping);
}
};
};
this.__generatedMappings.sort(util.compareByGeneratedPositions);
this.__originalMappings.sort(util.compareByOriginalPositions);
};
exports.IndexedSourceMapConsumer = IndexedSourceMapConsumer;
});
/* -*- 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/util', ['require', 'exports', 'module' , ], function(require, exports, module) {
/**
* 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/asm-parser', ['require', 'exports', 'module' , 'source-map/util'], function(require, exports, module) {
var util = require('source-map/util');
// Convert the given ASCII string into a Uint8Array with room for `reserved`
// number of int32 slots at the start.
function stringToArray(string, reserved) {
var reservedSize = reserved * 4;
var length = string.length + reservedSize;
// Find the smallest power of 2 that is greater than the required length.
var arraySize = Math.pow(2, Math.ceil(Math.log2(length)));
var array = new Uint8Array(arraySize);
for (var idx = reservedSize; idx < length; idx++) {
var ch = string.charCodeAt(idx - reservedSize);
if (ch > 0x80) {
throw new Error("Unexpected non-ASCII character: '" + string.charAt(idx)
+ "' at index " + idx + ". A source map's 'mappings' string "
+ "should only contain ASCII characters.");
}
array[idx] = ch;
}
return array;
}
function AsmParse(stdlib, foreign, buffer) {
"use asm";
// Foreign functions.
var eachMapping = foreign.eachMapping;
var getEndOfString = foreign.getEndOfString;
var log = foreign.log;
// Heap views.
var HEAPU8 = new stdlib.Uint8Array(buffer);
var HEAP32 = new stdlib.Int32Array(buffer);
var HEAPU32 = new stdlib.Uint32Array(buffer);
// Constants.
var semicolon = 59; // ';'
var comma = 44; // ','
var VLQ_BASE_SHIFT = 5;
var VLQ_BASE = 32; // 1 << VLQ_BASE_SHIFT
var VLQ_BASE_MASK = 31; // VLQ_BASE - 1
var VLQ_CONTINUATION_BIT = 32; // VLQ_BASE
// Reserved slots in the buffer. Access via `buffer[slotName]`.
// The current index into the string. Uint32.
var slotIdx = 0;
// The value of the last parsed VLQ. Int32.
var slotVlq = 1;
// The end index of the string. Uint32.
var slotEndIdx = 2;
var NUMBER_OF_RESERVED_SLOTS = 3;
var SIZE_OF_RESERVED_SLOTS = 12; // NUMBER_OF_RESERVED_SLOTS
// Reserved slot methods and accessors.
function getIdx() {
return HEAPU32[(slotIdx << 2) >> 2]|0;
}
function setIdx(val) {
val = val|0;
HEAPU32[(slotIdx << 2) >> 2] = val;
return;
}
function incIdx() {
var idx = 0;
var newIdx = 0;
idx = getIdx()|0;
newIdx = (idx + 1)|0;
setIdx(newIdx);
return;
}
function getEndIdx() {
return HEAPU32[(slotEndIdx << 2) >> 2]|0;
}
function setEndIdx(val) {
val = val|0;
HEAPU32[(slotEndIdx << 2) >> 2] = val;
return;
}
function getVlq() {
return HEAP32[(slotVlq << 2) >> 2]|0;
}
function setVlq(val) {
val = val|0;
HEAP32[(slotVlq << 2) >> 2] = val;
return;
}
// Decode a base 64 value. char -> int. Returns -1 on failure.
function decodeBase64(ch) {
ch = ch|0;
var bigA = 65; // 'A'
var bigZ = 90; // 'Z'
var littleA = 97; // 'a'
var littleZ = 122; // 'z'
var zero = 48; // '0'
var nine = 57; // '9'
var plus = 43; // '+'
var slash = 47; // '/'
// 0 - 25: ABCDEFGHIJKLMNOPQRSTUVWXYZ
if ((bigA|0) <= (ch|0)) if ((ch|0) <= (bigZ|0)) {
return (ch - bigA)|0;
}
// 26 - 51: abcdefghijklmnopqrstuvwxyz
if ((littleA|0) <= (ch|0)) if ((ch|0) <= (littleZ|0)) {
return (ch - littleA + 26)|0;
}
// 52 - 61: 0123456789
if ((zero|0) <= (ch|0)) if ((ch|0) <= (nine|0)) {
return (ch - zero + 52)|0;
}
// 62: +
if ((ch|0) == (plus|0)) {
return 62;
}
// 63: /
if ((ch|0) == (slash|0)) {
return 63;
}
// Invalid base64 string.
return -1;
}
function fromVLQSigned(value) {
value = value|0;
var isNegative = 0;
var shifted = 0;
isNegative = (value & 1) == 1;
shifted = value >> 1;
if ((isNegative|0) == 1) {
return (-shifted)|0;
}
return shifted|0;
}
// Returns 1 on success, 0 on failure. On success, result is stored in the
// vlq reserved slot.
function decodeVLQ() {
var result = 0;
var shift = 0;
var shifted = 0;
var digit = 0;
var continuation = 0;
var idx = 0;
var endIdx = 0;
endIdx = getEndIdx()|0;
do {
idx = getIdx()|0;
if ((idx|0) >= (endIdx|0)) {
return 0;
}
digit = decodeBase64(getCharacterAtIdx()|0)|0;
if ((digit|0) < 0) {
return 0;
}
incIdx();
continuation = digit & VLQ_CONTINUATION_BIT;
digit = digit & VLQ_BASE_MASK;
shifted = digit << shift;
result = (result + shifted)|0;
} while ((continuation|0) != 0);
result = fromVLQSigned(result)|0;
setVlq(result);
return 1;
}
// Get the character at the current index.
function getCharacterAtIdx() {
var idx = 0;
idx = getIdx()|0;
return HEAPU8[idx >> 0]|0;
}
// Return 1 if there is a mapping separator character at the current index,
// otherwise 0.
function isSeperatorAtIdx() {
var ch = 0;
var idx = 0;
var endIdx = 0;
idx = getIdx()|0;
endIdx = getEndIdx()|0;
if ((idx|0) >= (endIdx|0)) {
return 1;
}
ch = getCharacterAtIdx()|0;
if ((ch|0) == (comma|0)) {
return 1;
}
if ((ch|0) == (semicolon|0)) {
return 1;
}
return 0;
}
// Returns 1 on success, 0 on failure.
function parse() {
var generatedLine = 1;
var generatedColumn = 0;
var originalLine = 0;
var originalColumn = 0;
var source = 0;
var name = 0;
var ch = 0;
var idx = 0;
var endIdx = 0;
var result = 0;
var vlq = 0;
log(1,1,1,1,1,1,1,1,1);
// Skip past the reserved slots to the data.
setIdx(SIZE_OF_RESERVED_SLOTS|0);
// Initialize the end index.
endIdx = getEndOfString()|0;
setEndIdx(endIdx|0);
log(getIdx()|0, endIdx|0);
while ((getIdx()|0) < (endIdx|0)) {
ch = getCharacterAtIdx()|0;
log(ch|0, getIdx()|0, endIdx|0);
if ((ch|0) == (semicolon|0)) {
generatedLine = (generatedLine + 1)|0;
incIdx();
generatedColumn = 0;
continue;
}
if ((ch|0) == (comma|0)) {
incIdx();
continue;
}
// Generated column.
result = decodeVLQ()|0;
if ((result|0) == 0) {
return 0;
}
vlq = getVlq()|0;
generatedColumn = (generatedColumn + vlq)|0;
result = isSeperatorAtIdx()|0;
if ((result|0) == 1) {
eachMapping(2, generatedLine|0, generatedColumn|0, -1, -1, -1, -1);
continue;
}
// Original source.
result = decodeVLQ()|0;
if ((result|0) == 0) {
return 0;
}
vlq = getVlq()|0;
source = (source + vlq)|0;
result = isSeperatorAtIdx()|0;
if ((result|0) == 1) {
return 0;
}
// Original line.
result = decodeVLQ()|0;
if ((result|0) == 0) {
return 0;
}
vlq = getVlq()|0;
originalLine = (originalLine + vlq)|0;
result = isSeperatorAtIdx()|0;
if ((result|0) == 1) {
return 0;
}
// Original column.
result = decodeVLQ()|0;
if ((result|0) == 0) {
return 0;
}
vlq = getVlq()|0;
originalColumn = (originalColumn + vlq)|0;
result = isSeperatorAtIdx()|0;
if ((result|0) == 1) {
eachMapping(5, generatedLine|0, generatedColumn|0, source|0, originalLine|0,
originalColumn|0, -1);
continue;
}
// Name.
result = decodeVLQ()|0;
if ((result|0) == 0) {
return 0;
}
vlq = getVlq()|0;
name = (name + vlq)|0;
eachMapping(6, generatedLine|0, generatedColumn|0, source|0, originalLine|0,
originalColumn|0, name|0);
// Eat away any garbage at the end of this mapping.
result = isSeperatorAtIdx()|0;
while ((result|0) == 0) {
incIdx();
result = isSeperatorAtIdx()|0;
}
}
return 1;
}
return { parse: parse };
};
var NUMBER_OF_RESERVED_SLOTS = 3;
exports.parseMappings = function (mappings, sourceRoot) {
function eachMapping(segmentsParsed, generatedLine, generatedColumn,
sourceIdx, originalLine, originalColumn, nameIdx) {
console.log("eachMapping", ([].slice.call(arguments)));
var mapping = {};
this.__generatedMappings.push(mapping);
mapping.generatedColumn = generatedColumn;
mapping.generatedLine
if (segmentsParsed >= 5) {
this.__originalMappings.push(mapping);
// try {
// mapping.source = this._sources.at(sourceIdx);
// } catch (e) {
// // TODO
// }
mapping.originalLine = originalLine;
mapping.originalColumn = originalColumn;
if (segmentsParsed >= 6 && this._names.has()) {
// try {
// mapping.name = this._names.at(nameIdx);
// } catch (e) {
// // TODO
// }
}
}
}
var array = stringToArray(mappings, NUMBER_OF_RESERVED_SLOTS);
var result = AsmParse(typeof window !== "undefined" ? window : global,
{
eachMapping: eachMapping.bind(this),
log: console.log.bind(console),
getEndOfString: function () {
return mappings.length + NUMBER_OF_RESERVED_SLOTS * 4;
}
},
array.buffer)
.parse();
if (!result) {
throw new Error("Error parsing source map's mappings");
}
this.__generatedMappings.sort(util.compareByGeneratedPositions);
this.__originalMappings.sort(util.compareByOriginalPositions);
};
});
/* -*- 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.
* @param aBias Either 'binarySearch.LEAST_UPPER_BOUND' or
* 'binarySearch.GREATEST_LOWER_BOUND'. Specifies whether to return the
* closest element that is smaller than or greater than the element we are
* searching for if the exact element cannot be found.
*/
function recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare, aBias) {
// 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 index of
// the next closest element.
//
// 3. We did not find the exact element, and there is no next-closest
// element than the one we are searching for, so we return -1.
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 mid;
}
else if (cmp > 0) {
// Our needle is greater than aHaystack[mid].
if (aHigh - mid > 1) {
// The element is in the upper half.
return recursiveSearch(mid, aHigh, aNeedle, aHaystack, aCompare, aBias);
}
// The exact needle element was not found in this haystack. Determine if
// we are in termination case (3) or (2) and return the appropriate thing.
if (aBias == exports.LEAST_UPPER_BOUND) {
return aHigh < aHaystack.length ? aHigh : -1;
} else {
return mid;
}
}
else {
// Our needle is less than aHaystack[mid].
if (mid - aLow > 1) {
// The element is in the lower half.
return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare, aBias);
}
// The exact needle element was not found in this haystack. Determine if
// we are in termination case (3) or (2) and return the appropriate thing.
if (aBias == exports.LEAST_UPPER_BOUND) {
return mid;
} else {
return aLow < 0 ? -1 : aLow;
}
}
}
exports.LEAST_UPPER_BOUND = 1;
exports.GREATEST_LOWER_BOUND = 2;
/**
* This is an implementation of binary search which will always try and return
* the index of next highest 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.
* @param aBias Either 'exports.LEAST_UPPER_BOUND' or
* 'exports.GREATEST_LOWER_BOUND'. Specifies whether to return the
* closest element that is smaller than or greater than the element we are
* searching for if the exact element cannot be found. Defaults to
* 'exports.LEAST_UPPER_BOUND'.
*/
exports.search = function search(aNeedle, aHaystack, aCompare, aBias) {
var aBias = aBias || exports.LEAST_UPPER_BOUND;
if (aHaystack.length === 0) {
return -1;
}
return recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack, aCompare, aBias)
};
});
/* -*- 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
* 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
* 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, aIndex, aOutParam) {
var strLen = aStr.length;
var result = 0;
var shift = 0;
var continuation, digit;
do {
if (aIndex >= strLen) {
throw new Error("Expected more digits in base 64 VLQ value.");
}
digit = base64.decode(aStr.charAt(aIndex++));
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 = aIndex;
};
});
/* -*- 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', 'source-map/mapping-list'], 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;
var MappingList = require('source-map/mapping-list').MappingList;
/**
* 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._skipValidation = util.getArg(aArgs, 'skipValidation', false);
this._sources = new ArraySet();
this._names = new ArraySet();
this._mappings = new MappingList();
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);
if (!this._skipValidation) {
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.add({
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.unsortedForEach(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;
var mappings = this._mappings.toArray();
for (var i = 0, len = mappings.length; i < len; i++) {
mapping = mappings[i];
if (mapping.generatedLine !== previousGeneratedLine) {
previousGeneratedColumn = 0;
while (mapping.generatedLine !== previousGeneratedLine) {
result += ';';
previousGeneratedLine++;
}
}
else {
if (i > 0) {
if (!util.compareByGeneratedPositions(mapping, 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.toJSON());
};
exports.SourceMapGenerator = SourceMapGenerator;
});
/* -*- Mode: js; js-indent-level: 2; -*- */
/*
* Copyright 2014 Mozilla Foundation and contributors
* Licensed under the New BSD license. See LICENSE or:
* http://opensource.org/licenses/BSD-3-Clause
*/
define('source-map/mapping-list', ['require', 'exports', 'module' , 'source-map/util'], function(require, exports, module) {
var util = require('source-map/util');
/**
* Determine whether mappingB is after mappingA with respect to generated
* position.
*/
function generatedPositionAfter(mappingA, mappingB) {
// Optimized for most common case
var lineA = mappingA.generatedLine;
var lineB = mappingB.generatedLine;
var columnA = mappingA.generatedColumn;
var columnB = mappingB.generatedColumn;
return lineB > lineA || lineB == lineA && columnB >= columnA ||
util.compareByGeneratedPositions(mappingA, mappingB) <= 0;
}
/**
* A data structure to provide a sorted view of accumulated mappings in a
* performance conscious manner. It trades a neglibable overhead in general
* case for a large speedup in case of mappings being added in order.
*/
function MappingList() {
this._array = [];
this._sorted = true;
// Serves as infimum
this._last = {generatedLine: -1, generatedColumn: 0};
}
/**
* Iterate through internal items. This method takes the same arguments that
* `Array.prototype.forEach` takes.
*
* NOTE: The order of the mappings is NOT guaranteed.
*/
MappingList.prototype.unsortedForEach =
function MappingList_forEach(aCallback, aThisArg) {
this._array.forEach(aCallback, aThisArg);
};
/**
* Add the given source mapping.
*
* @param Object aMapping
*/
MappingList.prototype.add = function MappingList_add(aMapping) {
var mapping;
if (generatedPositionAfter(this._last, aMapping)) {
this._last = aMapping;
this._array.push(aMapping);
} else {
this._sorted = false;
this._array.push(aMapping);
}
};
/**
* Returns the flat, sorted array of mappings. The mappings are sorted by
* generated position.
*
* WARNING: This method returns internal data without copying, for
* performance. The return value must NOT be mutated, and should be treated as
* an immutable borrow. If you want to take ownership, you must make your own
* copy.
*/
MappingList.prototype.toArray = function MappingList_toArray() {
if (!this._sorted) {
this._array.sort(util.compareByGeneratedPositions);
this._sorted = true;
}
return this._array;
};
exports.MappingList = MappingList;
});
/* -*- 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;
var util = require('source-map/util');
// Matches a Windows-style `\r\n` newline or a `\n` newline used by all other
// operating systems these days (capturing the result).
var REGEX_NEWLINE = /(\r?\n)/;
// Newline character code for charCodeAt() comparisons
var NEWLINE_CODE = 10;
// Private symbol for identifying `SourceNode`s when multiple versions of
// the source-map library are loaded. This MUST NOT CHANGE across
// versions!
var isSourceNode = "$$$isSourceNode$$$";
/**
* SourceNodes provide a way to abstract over interpolating/concatenating
* snippets of generated JavaScript source code while maintaining the line and
* column information associated with the original source code.
*
* @param aLine The original line number.
* @param aColumn The original column number.
* @param aSource The original source's filename.
* @param aChunks Optional. An array of strings which are snippets of
* generated JS, or other SourceNodes.
* @param aName The original identifier.
*/
function SourceNode(aLine, aColumn, aSource, aChunks, aName) {
this.children = [];
this.sourceContents = {};
this.line = aLine == null ? null : aLine;
this.column = aColumn == null ? null : aColumn;
this.source = aSource == null ? null : aSource;
this.name = aName == null ? null : aName;
this[isSourceNode] = true;
if (aChunks != null) this.add(aChunks);
}
/**
* Creates a SourceNode from generated code and a SourceMapConsumer.
*
* @param aGeneratedCode The generated code
* @param aSourceMapConsumer The SourceMap for the generated code
* @param aRelativePath Optional. The path that relative sources in the
* SourceMapConsumer should be relative to.
*/
SourceNode.fromStringWithSourceMap =
function SourceNode_fromStringWithSourceMap(aGeneratedCode, aSourceMapConsumer, aRelativePath) {
// The SourceNode we want to fill with the generated code
// and the SourceMap
var node = new SourceNode();
// All even indices of this array are one line of the generated code,
// while all odd indices are the newlines between two adjacent lines
// (since `REGEX_NEWLINE` captures its match).
// Processed fragments are removed from this array, by calling `shiftNextLine`.
var remainingLines = aGeneratedCode.split(REGEX_NEWLINE);
var shiftNextLine = function() {
var lineContents = remainingLines.shift();
// The last line of a file might not have a newline.
var newLine = remainingLines.shift() || "";
return lineContents + newLine;
};
// We need to remember the position of "remainingLines"
var lastGeneratedLine = 1, lastGeneratedColumn = 0;
// The generate SourceNodes we need a code range.
// To extract it current and last mapping is used.
// Here we store the last mapping.
var lastMapping = null;
aSourceMapConsumer.eachMapping(function (mapping) {
if (lastMapping !== null) {
// We add the code from "lastMapping" to "mapping":
// First check if there is a new line in between.
if (lastGeneratedLine < mapping.generatedLine) {
var code = "";
// Associate first line with "lastMapping"
addMappingWithCode(lastMapping, shiftNextLine());
lastGeneratedLine++;
lastGeneratedColumn = 0;
// The remaining code is added without mapping
} else {
// There is no new line in between.
// Associate the code between "lastGeneratedColumn" and
// "mapping.generatedColumn" with "lastMapping"
var nextLine = remainingLines[0];
var code = nextLine.substr(0, mapping.generatedColumn -
lastGeneratedColumn);
remainingLines[0] = nextLine.substr(mapping.generatedColumn -
lastGeneratedColumn);
lastGeneratedColumn = mapping.generatedColumn;
addMappingWithCode(lastMapping, code);
// No more remaining code, continue
lastMapping = mapping;
return;
}
}
// We add the generated code until the first mapping
// to the SourceNode without any mapping.
// Each line is added as separate string.
while (lastGeneratedLine < mapping.generatedLine) {
node.add(shiftNextLine());
lastGeneratedLine++;
}
if (lastGeneratedColumn < mapping.generatedColumn) {
var nextLine = remainingLines[0];
node.add(nextLine.substr(0, mapping.generatedColumn));
remainingLines[0] = nextLine.substr(mapping.generatedColumn);
lastGeneratedColumn = mapping.generatedColumn;
}
lastMapping = mapping;
}, this);
// We have processed all mappings.
if (remainingLines.length > 0) {
if (lastMapping) {
// Associate the remaining code in the current line with "lastMapping"
addMappingWithCode(lastMapping, shiftNextLine());
}
// and add the remaining lines without any mapping
node.add(remainingLines.join(""));
}
// Copy sourcesContent into SourceNode
aSourceMapConsumer.sources.forEach(function (sourceFile) {
var content = aSourceMapConsumer.sourceContentFor(sourceFile);
if (content != null) {
if (aRelativePath != null) {
sourceFile = util.join(aRelativePath, sourceFile);
}
node.setSourceContent(sourceFile, content);
}
});
return node;
function addMappingWithCode(mapping, code) {
if (mapping === null || mapping.source === undefined) {
node.add(code);
} else {
var source = aRelativePath
? util.join(aRelativePath, mapping.source)
: mapping.source;
node.add(new SourceNode(mapping.originalLine,
mapping.originalColumn,
source,
code,
mapping.name));
}
}
};
/**
* Add a chunk of generated JS to this source node.
*
* @param aChunk A string snippet of generated JS code, another instance of
* SourceNode, or an array where each member is one of those things.
*/
SourceNode.prototype.add = function SourceNode_add(aChunk) {
if (Array.isArray(aChunk)) {
aChunk.forEach(function (chunk) {
this.add(chunk);
}, this);
}
else if (aChunk[isSourceNode] || typeof aChunk === "string") {
if (aChunk) {
this.children.push(aChunk);
}
}
else {
throw new TypeError(
"Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
);
}
return this;
};
/**
* Add a chunk of generated JS to the beginning of this source node.
*
* @param aChunk A string snippet of generated JS code, another instance of
* SourceNode, or an array where each member is one of those things.
*/
SourceNode.prototype.prepend = function SourceNode_prepend(aChunk) {
if (Array.isArray(aChunk)) {
for (var i = aChunk.length-1; i >= 0; i--) {
this.prepend(aChunk[i]);
}
}
else if (aChunk[isSourceNode] || typeof aChunk === "string") {
this.children.unshift(aChunk);
}
else {
throw new TypeError(
"Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
);
}
return this;
};
/**
* Walk over the tree of JS snippets in this node and its children. The
* walking function is called once for each snippet of JS and is passed that
* snippet and the its original associated source's line/column location.
*
* @param aFn The traversal function.
*/
SourceNode.prototype.walk = function SourceNode_walk(aFn) {
var chunk;
for (var i = 0, len = this.children.length; i < len; i++) {
chunk = this.children[i];
if (chunk[isSourceNode]) {
chunk.walk(aFn);
}
else {
if (chunk !== '') {
aFn(chunk, { source: this.source,
line: this.line,
column: this.column,
name: this.name });
}
}
}
};
/**
* Like `String.prototype.join` except for SourceNodes. Inserts `aStr` between
* each of `this.children`.
*
* @param aSep The separator.
*/
SourceNode.prototype.join = function SourceNode_join(aSep) {
var newChildren;
var i;
var len = this.children.length;
if (len > 0) {
newChildren = [];
for (i = 0; i < len-1; i++) {
newChildren.push(this.children[i]);
newChildren.push(aSep);
}
newChildren.push(this.children[i]);
this.children = newChildren;
}
return this;
};
/**
* Call String.prototype.replace on the very right-most source snippet. Useful
* for trimming whitespace from the end of a source node, etc.
*
* @param aPattern The pattern to replace.
* @param aReplacement The thing to replace the pattern with.
*/
SourceNode.prototype.replaceRight = function SourceNode_replaceRight(aPattern, aReplacement) {
var lastChild = this.children[this.children.length - 1];
if (lastChild[isSourceNode]) {
lastChild.replaceRight(aPattern, aReplacement);
}
else if (typeof lastChild === 'string') {
this.children[this.children.length - 1] = lastChild.replace(aPattern, aReplacement);
}
else {
this.children.push(''.replace(aPattern, aReplacement));
}
return this;
};
/**
* Set the source content for a source file. This will be added to the SourceMapGenerator
* in the sourcesContent field.
*
* @param aSourceFile The filename of the source file
* @param aSourceContent The content of the source file
*/
SourceNode.prototype.setSourceContent =
function SourceNode_setSourceContent(aSourceFile, aSourceContent) {
this.sourceContents[util.toSetString(aSourceFile)] = aSourceContent;
};
/**
* Walk over the tree of SourceNodes. The walking function is called for each
* source file content and is passed the filename and source content.
*
* @param aFn The traversal function.
*/
SourceNode.prototype.walkSourceContents =
function SourceNode_walkSourceContents(aFn) {
for (var i = 0, len = this.children.length; i < len; i++) {
if (this.children[i][isSourceNode]) {
this.children[i].walkSourceContents(aFn);
}
}
var sources = Object.keys(this.sourceContents);
for (var i = 0, len = sources.length; i < len; i++) {
aFn(util.fromSetString(sources[i]), this.sourceContents[sources[i]]);
}
};
/**
* Return the string representation of this source node. Walks over the tree
* and concatenates all the various snippets together to one string.
*/
SourceNode.prototype.toString = function SourceNode_toString() {
var str = "";
this.walk(function (chunk) {
str += chunk;
});
return str;
};
/**
* Returns the string representation of this source node along with a source
* map.
*/
SourceNode.prototype.toStringWithSourceMap = function SourceNode_toStringWithSourceMap(aArgs) {
var generated = {
code: "",
line: 1,
column: 0
};
var map = new SourceMapGenerator(aArgs);
var sourceMappingActive = false;
var lastOriginalSource = null;
var lastOriginalLine = null;
var lastOriginalColumn = null;
var lastOriginalName = null;
this.walk(function (chunk, original) {
generated.code += chunk;
if (original.source !== null
&& original.line !== null
&& original.column !== null) {
if(lastOriginalSource !== original.source
|| lastOriginalLine !== original.line
|| lastOriginalColumn !== original.column
|| lastOriginalName !== original.name) {
map.addMapping({
source: original.source,
original: {
line: original.line,
column: original.column
},
generated: {
line: generated.line,
column: generated.column
},
name: original.name
});
}
lastOriginalSource = original.source;
lastOriginalLine = original.line;
lastOriginalColumn = original.column;
lastOriginalName = original.name;
sourceMappingActive = true;
} else if (sourceMappingActive) {
map.addMapping({
generated: {
line: generated.line,
column: generated.column
}
});
lastOriginalSource = null;
sourceMappingActive = false;
}
for (var idx = 0, length = chunk.length; idx < length; idx++) {
if (chunk.charCodeAt(idx) === NEWLINE_CODE) {
generated.line++;
generated.column = 0;
// Mappings end at eol
if (idx + 1 === length) {
lastOriginalSource = null;
sourceMappingActive = false;
} else if (sourceMappingActive) {
map.addMapping({
source: original.source,
original: {
line: original.line,
column: original.column
},
generated: {
line: generated.line,
column: generated.column
},
name: original.name
});
}
} else {
generated.column++;
}
}
});
this.walkSourceContents(function (sourceFile, sourceContent) {
map.setSourceContent(sourceFile, sourceContent);
});
return { code: generated.code, map: map };
};
exports.SourceNode = SourceNode;
});
/* -*- Mode: js; js-indent-level: 2; -*- */
///////////////////////////////////////////////////////////////////////////////
this.SourceMapConsumer = require('source-map/source-map-consumer').SourceMapConsumer;
this.SourceMapGenerator = require('source-map/source-map-generator').SourceMapGenerator;
this.SourceNode = require('source-map/source-node').SourceNode;