LCOV - code coverage report
Current view: directory - js/src/vm - StringObject-inl.h (source / functions) Found Hit Coverage
Test: app.info Lines: 25 20 80.0 %
Date: 2012-06-02 Functions: 3 3 100.0 %

       1                 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
       2                 :  * vim: set ts=8 sw=4 et tw=78:
       3                 :  *
       4                 :  * ***** BEGIN LICENSE BLOCK *****
       5                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       6                 :  *
       7                 :  * The contents of this file are subject to the Mozilla Public License Version
       8                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       9                 :  * the License. You may obtain a copy of the License at
      10                 :  * http://www.mozilla.org/MPL/
      11                 :  *
      12                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      13                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      14                 :  * for the specific language governing rights and limitations under the
      15                 :  * License.
      16                 :  *
      17                 :  * The Original Code is SpiderMonkey string object code.
      18                 :  *
      19                 :  * The Initial Developer of the Original Code is
      20                 :  * the Mozilla Foundation.
      21                 :  * Portions created by the Initial Developer are Copyright (C) 2011
      22                 :  * the Initial Developer. All Rights Reserved.
      23                 :  *
      24                 :  * Contributor(s):
      25                 :  *   Jeff Walden <jwalden+code@mit.edu> (original author)
      26                 :  *
      27                 :  * Alternatively, the contents of this file may be used under the terms of
      28                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      29                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      30                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      31                 :  * of those above. If you wish to allow use of your version of this file only
      32                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      33                 :  * use your version of this file under the terms of the MPL, indicate your
      34                 :  * decision by deleting the provisions above and replace them with the notice
      35                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      36                 :  * the provisions above, a recipient may use your version of this file under
      37                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      38                 :  *
      39                 :  * ***** END LICENSE BLOCK ***** */
      40                 : 
      41                 : #ifndef StringObject_inl_h___
      42                 : #define StringObject_inl_h___
      43                 : 
      44                 : #include "StringObject.h"
      45                 : 
      46                 : inline js::StringObject &
      47         5258131 : JSObject::asString()
      48                 : {
      49         5258131 :     JS_ASSERT(isString());
      50         5258131 :     return *static_cast<js::StringObject *>(this);
      51                 : }
      52                 : 
      53                 : namespace js {
      54                 : 
      55                 : inline bool
      56         5008861 : StringObject::init(JSContext *cx, JSString *str)
      57                 : {
      58         5008861 :     JS_ASSERT(gc::GetGCKindSlots(getAllocKind()) == 2);
      59                 : 
      60         5008861 :     if (nativeEmpty()) {
      61           19784 :         if (isDelegate()) {
      62               0 :             if (!assignInitialShape(cx))
      63               0 :                 return false;
      64                 :         } else {
      65           19784 :             Shape *shape = assignInitialShape(cx);
      66           19784 :             if (!shape)
      67               0 :                 return false;
      68           19784 :             EmptyShape::insertInitialShape(cx, shape, getProto());
      69                 :         }
      70                 :     }
      71                 : 
      72         5008861 :     JS_ASSERT(!nativeEmpty());
      73         5008861 :     JS_ASSERT(nativeLookup(cx, ATOM_TO_JSID(cx->runtime->atomState.lengthAtom))->slot() == LENGTH_SLOT);
      74                 : 
      75         5008861 :     setStringThis(str);
      76         5008861 :     return true;
      77                 : }
      78                 : 
      79                 : inline StringObject *
      80         5001839 : StringObject::create(JSContext *cx, JSString *str)
      81                 : {
      82         5001839 :     JSObject *obj = NewBuiltinClassInstance(cx, &StringClass);
      83         5001839 :     if (!obj)
      84               0 :         return NULL;
      85         5001839 :     StringObject &strobj = obj->asString();
      86         5001839 :     if (!strobj.init(cx, str))
      87               0 :         return NULL;
      88         5001839 :     return &strobj;
      89                 : }
      90                 : 
      91                 : inline StringObject *
      92                 : StringObject::createWithProto(JSContext *cx, JSString *str, JSObject &proto)
      93                 : {
      94                 :     JSObject *obj = NewObjectWithClassProto(cx, &StringClass, &proto, NULL);
      95                 :     if (!obj)
      96                 :         return NULL;
      97                 :     StringObject &strobj = obj->asString();
      98                 :     if (!strobj.init(cx, str))
      99                 :         return NULL;
     100                 :     return &strobj;
     101                 : }
     102                 : 
     103                 : } // namespace js
     104                 : 
     105                 : #endif /* StringObject_inl_h__ */

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