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 */
38WebInspector.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
49WebInspector.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 */
145WebInspector.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 */
157WebInspector.DebuggerProjectDelegate = function(workspace, id, type)
158{
159    WebInspector.ContentProviderBasedProjectDelegate.call(this, workspace, id, type);
160}
161
162WebInspector.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}
186