| /*********************************************************************** | |
| 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()); | |
| } | |
| }; | |
| } |