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