| /*********************************************************************** |
| |
| A JavaScript tokenizer / parser / beautifier / compressor. |
| https://github.com/mishoo/UglifyJS2 |
| |
| -------------------------------- (C) --------------------------------- |
| |
| Author: Mihai Bazon |
| <mihai.bazon@gmail.com> |
| http://mihai.bazon.net/blog |
| |
| Distributed under the BSD license: |
| |
| Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com> |
| |
| 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. |
| |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “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 HOLDER 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. |
| |
| ***********************************************************************/ |
| |
| "use strict"; |
| |
| // a small wrapper around fitzgen's source-map library |
| function SourceMap(options) { |
| options = defaults(options, { |
| file : null, |
| root : null, |
| orig : null, |
| |
| orig_line_diff : 0, |
| dest_line_diff : 0, |
| }); |
| var generator = new MOZ_SourceMap.SourceMapGenerator({ |
| file : options.file, |
| sourceRoot : options.root |
| }); |
| var orig_map = options.orig && new MOZ_SourceMap.SourceMapConsumer(options.orig); |
| |
| if (orig_map && Array.isArray(options.orig.sources)) { |
| orig_map._sources.toArray().forEach(function(source) { |
| var sourceContent = orig_map.sourceContentFor(source, true); |
| if (sourceContent) { |
| generator.setSourceContent(source, sourceContent); |
| } |
| }); |
| } |
| |
| function add(source, gen_line, gen_col, orig_line, orig_col, name) { |
| if (orig_map) { |
| var info = orig_map.originalPositionFor({ |
| line: orig_line, |
| column: orig_col |
| }); |
| if (info.source === null) { |
| return; |
| } |
| source = info.source; |
| orig_line = info.line; |
| orig_col = info.column; |
| name = info.name || name; |
| } |
| generator.addMapping({ |
| generated : { line: gen_line + options.dest_line_diff, column: gen_col }, |
| original : { line: orig_line + options.orig_line_diff, column: orig_col }, |
| source : source, |
| name : name |
| }); |
| }; |
| return { |
| add : add, |
| get : function() { return generator }, |
| toString : function() { return JSON.stringify(generator.toJSON()); } |
| }; |
| }; |