| /* |
| * Copyright (C) 2011 Google Inc. 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. |
| */ |
| |
| var parse = loadModule("parse-js.js"); |
| var process = loadModule("process.js"); |
| |
| onmessage = function(event) { |
| var source = event.data; |
| var formattedSource = beautify(source); |
| var mapping = buildMapping(source, formattedSource); |
| postMessage({ formattedSource: formattedSource, mapping: mapping }); |
| }; |
| |
| function beautify(source) |
| { |
| var ast = parse.parse(source); |
| var beautifyOptions = { |
| indent_level: 4, |
| indent_start: 0, |
| quote_keys: false, |
| space_colon: false |
| }; |
| return process.gen_code(ast, beautifyOptions); |
| } |
| |
| function buildMapping(source, formattedSource) |
| { |
| var mapping = { original: [], formatted: [] }; |
| var lastCodePosition = 0; |
| var regexp = /[\$\.\w]+|{|}/g; |
| while (true) { |
| var match = regexp.exec(formattedSource); |
| if (!match) |
| break; |
| var position = source.indexOf(match[0], lastCodePosition); |
| if (position === -1) |
| continue; |
| mapping.original.push(position); |
| mapping.formatted.push(match.index); |
| lastCodePosition = position + match[0].length; |
| } |
| return mapping; |
| } |
| |
| function loadModule(src) |
| { |
| var request = new XMLHttpRequest(); |
| request.open("GET", src, false); |
| request.send(); |
| |
| var exports = {}; |
| eval(request.responseText); |
| return exports; |
| } |
| |
| function require() |
| { |
| return parse; |
| } |