1 // Copyright 2012 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // ------------------------------------------------------------------- 6 7 (function(global, utils) { 8 9 %CheckIsBootstrapping(); 10 11 // ------------------------------------------------------------------- 12 // Imports 13 14 var Script = utils.ImportNow("Script"); 15 16 // ------------------------------------------------------------------- 17 // Script 18 19 /** 20 * Set up the Script function and constructor. 21 */ 22 %FunctionSetInstanceClassName(Script, 'Script'); 23 %AddNamedProperty(Script.prototype, 'constructor', Script, 24 DONT_ENUM | DONT_DELETE | READ_ONLY); 25 26 27 /** 28 * Get information on a specific source position. 29 * Returns an object with the following following properties: 30 * script : script object for the source 31 * line : source line number 32 * column : source column within the line 33 * position : position within the source 34 * sourceText : a string containing the current line 35 * @param {number} position The source position 36 * @param {boolean} include_resource_offset Set to true to have the resource 37 * offset added to the location 38 * @return If line is negative or not in the source null is returned. 39 */ 40 function ScriptLocationFromPosition(position, 41 include_resource_offset) { 42 return %ScriptPositionInfo(this, position, !!include_resource_offset); 43 } 44 45 46 /** 47 * If sourceURL comment is available returns sourceURL comment contents. 48 * Otherwise, script name is returned. See 49 * http://fbug.googlecode.com/svn/branches/firebug1.1/docs/ReleaseNotes_1.1.txt 50 * and Source Map Revision 3 proposal for details on using //# sourceURL and 51 * deprecated //@ sourceURL comment to identify scripts that don't have name. 52 * 53 * @return {?string} script name if present, value for //# sourceURL comment or 54 * deprecated //@ sourceURL comment otherwise. 55 */ 56 function ScriptNameOrSourceURL() { 57 // Keep in sync with Script::GetNameOrSourceURL. 58 if (this.source_url) return this.source_url; 59 return this.name; 60 } 61 62 63 utils.SetUpLockedPrototype(Script, [ 64 "source", 65 "name", 66 "source_url", 67 "source_mapping_url", 68 "line_offset", 69 "column_offset" 70 ], [ 71 "locationFromPosition", ScriptLocationFromPosition, 72 "nameOrSourceURL", ScriptNameOrSourceURL, 73 ] 74 ); 75 76 }); 77
