Devtools: parse variables scopes and sourcemap them

third_party/WebKit/Source/devtools/front_end/sdk/SourceMap.js

 /*
  * Copyright (C) 2012 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
@@ skipping 21 matching lines @@
  * @constructor
  */
 function SourceMapV3()
 {
     /** @type {number} */ this.version;
     /** @type {string|undefined} */ this.file;
     /** @type {!Array.<string>} */ this.sources;
     /** @type {!Array.<!SourceMapV3.Section>|undefined} */ this.sections;
     /** @type {string} */ this.mappings;
     /** @type {string|undefined} */ this.sourceRoot;
+    /** @type {!Array.<string>|undefined} */ this.names;
 }
 
 /**
  * @constructor
  */
 SourceMapV3.Section = function()
 {
     /** @type {!SourceMapV3} */ this.map;
     /** @type {!SourceMapV3.Offset} */ this.offset;
 }
@@ skipping 79 matching lines @@
     },
 
     /**
      * @return {string}
      */
     url: function()
     {
         return this._sourceMappingURL;
     },
 
-   /**
+    /**
      * @return {!Array.<string>}
      */
     sources: function()
     {
         return Object.keys(this._sources);
     },
 
     /**
      * @param {string} sourceURL
      * @return {string|undefined}
@@ skipping 130 matching lines @@
      * @param {number} columnNumber
      */
     _parseMap: function(map, lineNumber, columnNumber)
     {
         var sourceIndex = 0;
         var sourceLineNumber = 0;
         var sourceColumnNumber = 0;
         var nameIndex = 0;
 
         var sources = [];
+        var names = map.names || [];
         var sourceRoot = map.sourceRoot || "";
         if (sourceRoot && !sourceRoot.endsWith("/"))
             sourceRoot += "/";
         for (var i = 0; i < map.sources.length; ++i) {
             var href = sourceRoot + map.sources[i];
             var url = WebInspector.ParsedURL.completeURL(this._sourceMappingURL, href) || href;
             var hasSource = map.sourcesContent && map.sourcesContent[i];
             if (url === this._compiledURL && hasSource)
                 url += WebInspector.UIString(" [sm]");
             sources.push(url);
@@ skipping 28 matching lines @@
             var sourceIndexDelta = this._decodeVLQ(stringCharIterator);
             if (sourceIndexDelta) {
                 sourceIndex += sourceIndexDelta;
                 sourceURL = sources[sourceIndex];
             }
             sourceLineNumber += this._decodeVLQ(stringCharIterator);
             sourceColumnNumber += this._decodeVLQ(stringCharIterator);
             if (!this._isSeparator(stringCharIterator.peek()))
                 nameIndex += this._decodeVLQ(stringCharIterator);
 
-            this._mappings.push(new WebInspector.SourceMap.Entry(lineNumber, columnNumber, sourceURL, sourceLineNumber, sourceColumnNumber));
+            this._mappings.push(new WebInspector.SourceMap.Entry(lineNumber, columnNumber, sourceURL, sourceLineNumber, sourceColumnNumber, names[nameIndex]));
         }
 
         for (var i = 0; i < this._mappings.length; ++i) {
             var mapping = this._mappings[i];
             var url = mapping.sourceURL;
             if (!url)
                 continue;
             if (!this._reverseMappingsBySourceURL.has(url))
                 this._reverseMappingsBySourceURL.set(url, []);
             var reverseMappings = this._reverseMappingsBySourceURL.get(url);
@@ skipping 72 matching lines @@
     }
 }
 
 /**
  * @constructor
  * @param {number} lineNumber
  * @param {number} columnNumber
  * @param {string=} sourceURL
  * @param {number=} sourceLineNumber
  * @param {number=} sourceColumnNumber
+ * @param {string=} name
  */
-WebInspector.SourceMap.Entry = function(lineNumber, columnNumber, sourceURL, sourceLineNumber, sourceColumnNumber)
+WebInspector.SourceMap.Entry = function(lineNumber, columnNumber, sourceURL, sourceLineNumber, sourceColumnNumber, name)
 {
     this.lineNumber = lineNumber;
     this.columnNumber = columnNumber;
     this.sourceURL = sourceURL;
     this.sourceLineNumber = sourceLineNumber;
     this.sourceColumnNumber = sourceColumnNumber;
+    this.name = name;
 }