| /*********************************************************************** |
| |
| 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, |
| }, true); |
| var generator = new MOZ_SourceMap.SourceMapGenerator({ |
| file: options.file, |
| sourceRoot: options.root |
| }); |
| var maps = options.orig && Object.create(null); |
| if (maps) for (var source in options.orig) { |
| var map = new MOZ_SourceMap.SourceMapConsumer(options.orig[source]); |
| if (Array.isArray(options.orig[source].sources)) { |
| map._sources.toArray().forEach(function(source) { |
| var sourceContent = map.sourceContentFor(source, true); |
| if (sourceContent) generator.setSourceContent(source, sourceContent); |
| }); |
| } |
| maps[source] = map; |
| } |
| return { |
| add: function(source, gen_line, gen_col, orig_line, orig_col, name) { |
| var map = maps && maps[source]; |
| if (map) { |
| var info = 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({ |
| name: name, |
| source: source, |
| generated: { |
| line: gen_line + options.dest_line_diff, |
| column: gen_col |
| }, |
| original: { |
| line: orig_line + options.orig_line_diff, |
| column: orig_col |
| } |
| }); |
| }, |
| get: function() { |
| return generator; |
| }, |
| toString: function() { |
| return JSON.stringify(generator.toJSON()); |
| } |
| }; |
| } |
