third_party/WebKit/Source/devtools/front_end/bindings/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.DebuggerSourceMapping}
  34  * @param {!WebInspector.DebuggerModel} debuggerModel
  35  * @param {!WebInspector.Workspace} workspace
  36  * @param {!WebInspector.DebuggerWorkspaceBinding} debuggerWorkspaceBinding
  37  */
  38 WebInspector.DefaultScriptMapping = function(debuggerModel, workspace, debuggerWorkspaceBinding)
  39 {
  40     this._debuggerModel = debuggerModel;
  41     this._debuggerWorkspaceBinding = debuggerWorkspaceBinding;
  42     this._workspace = workspace;
  43     this._projectId = WebInspector.DefaultScriptMapping.projectIdForTarget(debuggerModel.target());
  44     this._projectDelegate = new WebInspector.DebuggerProjectDelegate(this._workspace, this._projectId, WebInspector.projectTypes.Debugger);
  45     debuggerModel.addEventListener(WebInspector.DebuggerModel.Events.GlobalObjectCleared, this._debuggerReset, this);
  46     this._debuggerReset();
  47 }
  48
  49 WebInspector.DefaultScriptMapping.prototype = {
  50     /**
  51      * @override
  52      * @param {!WebInspector.DebuggerModel.Location} rawLocation
  53      * @return {!WebInspector.UILocation}
  54      */
  55     rawLocationToUILocation: function(rawLocation)
  56     {
  57         var debuggerModelLocation = /** @type {!WebInspector.DebuggerModel.Location} */ (rawLocation);
  58         var script = debuggerModelLocation.script();
  59         var uiSourceCode = this._uiSourceCodeForScriptId.get(script.scriptId);
  60         var lineNumber = debuggerModelLocation.lineNumber - (script.isInlineScriptWithSourceURL() ? script.lineOffset : 0);
  61         var columnNumber = debuggerModelLocation.columnNumber || 0;
  62         if (script.isInlineScriptWithSourceURL() && !lineNumber && columnNumber)
  63             columnNumber -= script.columnOffset;
  64         return uiSourceCode.uiLocation(lineNumber, columnNumber);
  65     },
  66
  67     /**
  68      * @override
  69      * @param {!WebInspector.UISourceCode} uiSourceCode
  70      * @param {number} lineNumber
  71      * @param {number} columnNumber
  72      * @return {?WebInspector.DebuggerModel.Location}
  73      */
  74     uiLocationToRawLocation: function(uiSourceCode, lineNumber, columnNumber)
  75     {
  76         var scriptId = this._scriptIdForUISourceCode.get(uiSourceCode);
  77         var script = this._debuggerModel.scriptForId(scriptId);
  78         if (script.isInlineScriptWithSourceURL())
  79             return this._debuggerModel.createRawLocation(script, lineNumber + script.lineOffset, lineNumber ? columnNumber : columnNumber + script.columnOffset);
  80         return this._debuggerModel.createRawLocation(script, lineNumber, columnNumber);
  81     },
  82
  83     /**
  84      * @param {!WebInspector.Script} script
  85      */
  86     addScript: function(script)
  87     {
  88         var path = this._projectDelegate.addScript(script);
  89         var uiSourceCode = this._workspace.uiSourceCode(this._projectId, path);
  90         console.assert(uiSourceCode);
  91         uiSourceCode = /** @type {!WebInspector.UISourceCode} */ (uiSourceCode);
  92
  93         this._uiSourceCodeForScriptId.set(script.scriptId, uiSourceCode);
  94         this._scriptIdForUISourceCode.set(uiSourceCode, script.scriptId);
  95         this._debuggerWorkspaceBinding.setSourceMapping(this._debuggerModel.target(), uiSourceCode, this);
  96         this._debuggerWorkspaceBinding.pushSourceMapping(script, this);
  97         script.addEventListener(WebInspector.Script.Events.ScriptEdited, this._scriptEdited, this);
  98     },
  99
 100     /**
 101      * @override
 102      * @return {boolean}
 103      */
 104     isIdentity: function()
 105     {
 106         return true;
 107     },
 108
 109     /**
 110      * @override
 111      * @param {!WebInspector.UISourceCode} uiSourceCode
 112      * @param {number} lineNumber
 113      * @return {boolean}
 114      */
 115     uiLineHasMapping: function(uiSourceCode, lineNumber)
 116     {
 117         return true;
 118     },
 119
 120     /**
 121      * @param {!WebInspector.Event} event
 122      */
 123     _scriptEdited: function(event)
 124     {
 125         var script = /** @type {!WebInspector.Script} */(event.target);
 126         var content = /** @type {string} */(event.data);
 127         this._uiSourceCodeForScriptId.get(script.scriptId).addRevision(content);
 128     },
 129
 130     _debuggerReset: function()
 131     {
 132         /** @type {!Map.<string, !WebInspector.UISourceCode>} */
 133         this._uiSourceCodeForScriptId = new Map();
 134         this._scriptIdForUISourceCode = new Map();
 135         this._projectDelegate.reset();
 136     },
 137
 138     dispose: function()
 139     {
 140         this._workspace.removeProject(this._projectId);
 141     }
 142 }
 143
 144 /**
 145  * @param {!WebInspector.Target} target
 146  * @return {string}
 147  */
 148 WebInspector.DefaultScriptMapping.projectIdForTarget = function(target)
 149 {
 150     return "debugger:" + target.id();
 151 }
 152
 153 /**
 154  * @constructor
 155  * @param {!WebInspector.Workspace} workspace
 156  * @param {string} id
 157  * @param {!WebInspector.projectTypes} type
 158  * @extends {WebInspector.ContentProviderBasedProjectDelegate}
 159  */
 160 WebInspector.DebuggerProjectDelegate = function(workspace, id, type)
 161 {
 162     WebInspector.ContentProviderBasedProjectDelegate.call(this, workspace, id, type);
 163 }
 164
 165 WebInspector.DebuggerProjectDelegate.prototype = {
 166     /**
 167      * @override
 168      * @return {string}
 169      */
 170     displayName: function()
 171     {
 172         return "";
 173     },
 174
 175     /**
 176      * @override
 177      * @return {string}
 178      */
 179     url: function()
 180     {
 181         return "debugger:";
 182     },
 183
 184     /**
 185      * @param {!WebInspector.Script} script
 186      * @return {string}
 187      */
 188     addScript: function(script)
 189     {
 190         var splitURL = WebInspector.ParsedURL.splitURLIntoPathComponents(script.sourceURL);
 191         var name = splitURL[splitURL.length - 1];
 192         name = "VM" + script.scriptId + (name ? " " + name : "");
 193         return this.addContentProvider("", name, script.sourceURL, script.sourceURL, script);
 194     },
 195
 196     __proto__: WebInspector.ContentProviderBasedProjectDelegate.prototype
 197 }