src/third_party/WebKit/Source/devtools/front_end/sdk/DefaultScriptMapping.js

   1 /*
   2  * Copyright (C) 2012 Google Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  *     * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
  14  *     * Neither the name of Google Inc. nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 /**
  32  * @constructor
  33  * @implements {WebInspector.ScriptSourceMapping}
  34  * @param {!WebInspector.DebuggerModel} debuggerModel
  35  * @param {!WebInspector.Workspace} workspace
  36  */
  37 WebInspector.DefaultScriptMapping = function(debuggerModel, workspace)
  38 {
  39     this._debuggerModel = debuggerModel;
  40     this._workspace = workspace;
  41     this._projectId = "debugger:" + debuggerModel.target().id();
  42     this._projectDelegate = new WebInspector.DebuggerProjectDelegate(this._workspace, this._projectId, WebInspector.projectTypes.Debugger);
  43     debuggerModel.addEventListener(WebInspector.DebuggerModel.Events.GlobalObjectCleared, this._debuggerReset, this);
  44     this._debuggerReset();
  45 }
  46
  47 WebInspector.DefaultScriptMapping.prototype = {
  48     /**
  49      * @param {!WebInspector.RawLocation} rawLocation
  50      * @return {!WebInspector.UILocation}
  51      */
  52     rawLocationToUILocation: function(rawLocation)
  53     {
  54         var debuggerModelLocation = /** @type {!WebInspector.DebuggerModel.Location} */ (rawLocation);
  55         var script = debuggerModelLocation.script();
  56         var uiSourceCode = this._uiSourceCodeForScriptId[script.scriptId];
  57         var lineNumber = debuggerModelLocation.lineNumber;
  58         var columnNumber = debuggerModelLocation.columnNumber || 0;
  59         return uiSourceCode.uiLocation(lineNumber, columnNumber);
  60     },
  61
  62     /**
  63      * @param {!WebInspector.UISourceCode} uiSourceCode
  64      * @param {number} lineNumber
  65      * @param {number} columnNumber
  66      * @return {?WebInspector.DebuggerModel.Location}
  67      */
  68     uiLocationToRawLocation: function(uiSourceCode, lineNumber, columnNumber)
  69     {
  70         var scriptId = this._scriptIdForUISourceCode.get(uiSourceCode);
  71         var script = this._debuggerModel.scriptForId(scriptId);
  72         return this._debuggerModel.createRawLocation(script, lineNumber, columnNumber);
  73     },
  74
  75     /**
  76      * @param {!WebInspector.Script} script
  77      */
  78     addScript: function(script)
  79     {
  80         var path = this._projectDelegate.addScript(script);
  81         var uiSourceCode = this._workspace.uiSourceCode(this._projectId, path);
  82         if (!uiSourceCode) {
  83             console.assert(uiSourceCode);
  84             return;
  85         }
  86         this._uiSourceCodeForScriptId[script.scriptId] = uiSourceCode;
  87         this._scriptIdForUISourceCode.put(uiSourceCode, script.scriptId);
  88         uiSourceCode.setSourceMappingForTarget(this._debuggerModel.target(), this);
  89         script.pushSourceMapping(this);
  90         script.addEventListener(WebInspector.Script.Events.ScriptEdited, this._scriptEdited.bind(this, script.scriptId));
  91     },
  92
  93     /**
  94      * @return {boolean}
  95      */
  96     isIdentity: function()
  97     {
  98         return true;
  99     },
 100
 101     /**
 102      * @param {string} scriptId
 103      * @param {!WebInspector.Event} event
 104      */
 105     _scriptEdited: function(scriptId, event)
 106     {
 107         var content = /** @type {string} */(event.data);
 108         this._uiSourceCodeForScriptId[scriptId].addRevision(content);
 109     },
 110
 111     _debuggerReset: function()
 112     {
 113         /** @type {!Object.<string, !WebInspector.UISourceCode>} */
 114         this._uiSourceCodeForScriptId = {};
 115         this._scriptIdForUISourceCode = new Map();
 116         this._projectDelegate.reset();
 117     }
 118 }
 119
 120 /**
 121  * @constructor
 122  * @param {!WebInspector.Workspace} workspace
 123  * @param {string} id
 124  * @param {!WebInspector.projectTypes} type
 125  * @extends {WebInspector.ContentProviderBasedProjectDelegate}
 126  */
 127 WebInspector.DebuggerProjectDelegate = function(workspace, id, type)
 128 {
 129     WebInspector.ContentProviderBasedProjectDelegate.call(this, workspace, id, type);
 130 }
 131
 132 WebInspector.DebuggerProjectDelegate.prototype = {
 133     /**
 134      * @return {string}
 135      */
 136     displayName: function()
 137     {
 138         return "";
 139     },
 140
 141     /**
 142      * @param {!WebInspector.Script} script
 143      * @return {string}
 144      */
 145     addScript: function(script)
 146     {
 147         var contentProvider = script.isInlineScript() ? new WebInspector.ConcatenatedScriptsContentProvider([script]) : script;
 148         var splitURL = WebInspector.ParsedURL.splitURL(script.sourceURL);
 149         var name = splitURL[splitURL.length - 1];
 150         name = "VM" + script.scriptId + (name ? " " + name : "");
 151         return this.addContentProvider("", name, script.sourceURL, contentProvider);
 152     },
 153
 154     __proto__: WebInspector.ContentProviderBasedProjectDelegate.prototype
 155 }