diff options
Diffstat (limited to 'deps/npm/node_modules/readable-stream/node_modules/unreachable-branch-transform/node_modules/recast/node_modules/source-map/lib/source-map-generator.js')
| -rw-r--r-- | deps/npm/node_modules/readable-stream/node_modules/unreachable-branch-transform/node_modules/recast/node_modules/source-map/lib/source-map-generator.js | 396 |
1 files changed, 0 insertions, 396 deletions
diff --git a/deps/npm/node_modules/readable-stream/node_modules/unreachable-branch-transform/node_modules/recast/node_modules/source-map/lib/source-map-generator.js b/deps/npm/node_modules/readable-stream/node_modules/unreachable-branch-transform/node_modules/recast/node_modules/source-map/lib/source-map-generator.js deleted file mode 100644 index ffc76cdf51..0000000000 --- a/deps/npm/node_modules/readable-stream/node_modules/unreachable-branch-transform/node_modules/recast/node_modules/source-map/lib/source-map-generator.js +++ /dev/null @@ -1,396 +0,0 @@ -/* -*- 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 - */ -{ - var base64VLQ = require('./base64-vlq'); - var util = require('./util'); - var ArraySet = require('./array-set').ArraySet; - var MappingList = require('./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 nameIdx; - var sourceIdx; - - 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.compareByGeneratedPositionsInflated(mapping, mappings[i - 1])) { - continue; - } - result += ','; - } - } - - result += base64VLQ.encode(mapping.generatedColumn - - previousGeneratedColumn); - previousGeneratedColumn = mapping.generatedColumn; - - if (mapping.source != null) { - sourceIdx = this._sources.indexOf(mapping.source); - result += base64VLQ.encode(sourceIdx - previousSource); - previousSource = sourceIdx; - - // 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) { - nameIdx = this._names.indexOf(mapping.name); - result += base64VLQ.encode(nameIdx - previousName); - previousName = nameIdx; - } - } - } - - 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; -} |