LCOV - code coverage report
Current view: directory - toolkit/components/perf - PerfMeasurement.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 28 0 0.0 %
Date: 2012-06-02 Functions: 9 0 0.0 %

       1                 : /* -*-  Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is mozilla.org code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * The Mozilla Foundation <http://www.mozilla.org/>.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2010
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *    Zack Weinberg <zweinberg@mozilla.com> (original author)
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      27                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      29                 :  * of those above. If you wish to allow use of your version of this file only
      30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      31                 :  * use your version of this file under the terms of the MPL, indicate your
      32                 :  * decision by deleting the provisions above and replace them with the notice
      33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      34                 :  * the provisions above, a recipient may use your version of this file under
      35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      36                 :  *
      37                 :  * ***** END LICENSE BLOCK ***** */
      38                 : 
      39                 : #include "PerfMeasurement.h"
      40                 : #include "jsperf.h"
      41                 : #include "mozilla/ModuleUtils.h"
      42                 : #include "nsMemory.h"
      43                 : 
      44                 : #define JSPERF_CONTRACTID \
      45                 :   "@mozilla.org/jsperf;1"
      46                 : 
      47                 : #define JSPERF_CID            \
      48                 : { 0x421c38e6, 0xaee0, 0x4509, \
      49                 :   { 0xa0, 0x25, 0x13, 0x0f, 0x43, 0x78, 0x03, 0x5a } }
      50                 : 
      51                 : namespace mozilla {
      52                 : namespace jsperf {
      53                 : 
      54               0 : NS_GENERIC_FACTORY_CONSTRUCTOR(Module)
      55                 : 
      56               0 : NS_IMPL_ISUPPORTS1(Module, nsIXPCScriptable)
      57                 : 
      58               0 : Module::Module()
      59                 : {
      60               0 : }
      61                 : 
      62               0 : Module::~Module()
      63                 : {
      64               0 : }
      65                 : 
      66                 : #define XPC_MAP_CLASSNAME Module
      67                 : #define XPC_MAP_QUOTED_CLASSNAME "Module"
      68                 : #define XPC_MAP_WANT_CALL
      69                 : #define XPC_MAP_FLAGS nsIXPCScriptable::WANT_CALL
      70                 : #include "xpc_map_end.h"
      71                 : 
      72                 : static JSBool
      73               0 : SealObjectAndPrototype(JSContext* cx, JSObject* parent, const char* name)
      74                 : {
      75                 :   jsval prop;
      76               0 :   if (!JS_GetProperty(cx, parent, name, &prop))
      77               0 :     return false;
      78                 : 
      79               0 :   JSObject* obj = JSVAL_TO_OBJECT(prop);
      80               0 :   if (!JS_GetProperty(cx, obj, "prototype", &prop))
      81               0 :     return false;
      82                 : 
      83               0 :   JSObject* prototype = JSVAL_TO_OBJECT(prop);
      84               0 :   return JS_FreezeObject(cx, obj) && JS_FreezeObject(cx, prototype);
      85                 : }
      86                 : 
      87                 : static JSBool
      88               0 : InitAndSealPerfMeasurementClass(JSContext* cx, JSObject* global)
      89                 : {
      90                 :   // Init the PerfMeasurement class
      91               0 :   if (!JS::RegisterPerfMeasurement(cx, global))
      92               0 :     return false;
      93                 : 
      94                 :   // Seal up Object, Function, and Array and their prototypes.  (This single
      95                 :   // object instance is shared amongst everyone who imports the jsperf module.)
      96               0 :   if (!SealObjectAndPrototype(cx, global, "Object") ||
      97               0 :       !SealObjectAndPrototype(cx, global, "Function") ||
      98               0 :       !SealObjectAndPrototype(cx, global, "Array"))
      99               0 :     return false;
     100                 : 
     101                 :   // Finally, seal the global object, for good measure. (But not recursively;
     102                 :   // this breaks things.)
     103               0 :   return JS_FreezeObject(cx, global);
     104                 : }
     105                 : 
     106                 : NS_IMETHODIMP
     107               0 : Module::Call(nsIXPConnectWrappedNative* wrapper,
     108                 :              JSContext* cx,
     109                 :              JSObject* obj,
     110                 :              PRUint32 argc,
     111                 :              jsval* argv,
     112                 :              jsval* vp,
     113                 :              bool* _retval)
     114                 : {
     115               0 :   JSObject* global = JS_GetGlobalForScopeChain(cx);
     116               0 :   if (!global)
     117               0 :     return NS_ERROR_NOT_AVAILABLE;
     118                 : 
     119               0 :   *_retval = InitAndSealPerfMeasurementClass(cx, global);
     120               0 :   return NS_OK;
     121                 : }
     122                 : 
     123                 : }
     124                 : }
     125                 : 
     126                 : NS_DEFINE_NAMED_CID(JSPERF_CID);
     127                 : 
     128                 : static const mozilla::Module::CIDEntry kPerfCIDs[] = {
     129                 :   { &kJSPERF_CID, false, NULL, mozilla::jsperf::ModuleConstructor },
     130                 :   { NULL }
     131                 : };
     132                 : 
     133                 : static const mozilla::Module::ContractIDEntry kPerfContracts[] = {
     134                 :   { JSPERF_CONTRACTID, &kJSPERF_CID },
     135                 :   { NULL }
     136                 : };
     137                 : 
     138                 : static const mozilla::Module kPerfModule = {
     139                 :   mozilla::Module::kVersion,
     140                 :   kPerfCIDs,
     141                 :   kPerfContracts
     142                 : };
     143                 : 
     144                 : NSMODULE_DEFN(jsperf) = &kPerfModule;

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