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-node.js')
| -rw-r--r-- | deps/npm/node_modules/readable-stream/node_modules/unreachable-branch-transform/node_modules/recast/node_modules/source-map/lib/source-node.js | 408 |
1 files changed, 0 insertions, 408 deletions
diff --git a/deps/npm/node_modules/readable-stream/node_modules/unreachable-branch-transform/node_modules/recast/node_modules/source-map/lib/source-node.js b/deps/npm/node_modules/readable-stream/node_modules/unreachable-branch-transform/node_modules/recast/node_modules/source-map/lib/source-node.js deleted file mode 100644 index 8b0fd59184..0000000000 --- a/deps/npm/node_modules/readable-stream/node_modules/unreachable-branch-transform/node_modules/recast/node_modules/source-map/lib/source-node.js +++ /dev/null @@ -1,408 +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 SourceMapGenerator = require('./source-map-generator').SourceMapGenerator; - var util = require('./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) { - // 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; -} |