The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/devtools/server/nsJSInspector.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,148 @@
     1.4 +/* -*-  Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include "nsJSInspector.h"
    1.10 +#include "nsIXPConnect.h"
    1.11 +#include "nsThreadUtils.h"
    1.12 +#include "jsfriendapi.h"
    1.13 +#include "js/OldDebugAPI.h"
    1.14 +#include "mozilla/HoldDropJSObjects.h"
    1.15 +#include "mozilla/ModuleUtils.h"
    1.16 +#include "mozilla/dom/ScriptSettings.h"
    1.17 +#include "nsServiceManagerUtils.h"
    1.18 +#include "nsMemory.h"
    1.19 +#include "nsArray.h"
    1.20 +#include "nsTArray.h"
    1.21 +
    1.22 +#define JSINSPECTOR_CONTRACTID \
    1.23 +  "@mozilla.org/jsinspector;1"
    1.24 +
    1.25 +#define JSINSPECTOR_CID \
    1.26 +{ 0xec5aa99c, 0x7abb, 0x4142, { 0xac, 0x5f, 0xaa, 0xb2, 0x41, 0x9e, 0x38, 0xe2 } }
    1.27 +
    1.28 +namespace mozilla {
    1.29 +namespace jsinspector {
    1.30 +
    1.31 +NS_GENERIC_FACTORY_CONSTRUCTOR(nsJSInspector)
    1.32 +
    1.33 +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsJSInspector)
    1.34 +  NS_INTERFACE_MAP_ENTRY(nsISupports)
    1.35 +  NS_INTERFACE_MAP_ENTRY(nsIJSInspector)
    1.36 +NS_INTERFACE_MAP_END
    1.37 +
    1.38 +NS_IMPL_CYCLE_COLLECTION_CLASS(nsJSInspector)
    1.39 +
    1.40 +NS_IMPL_CYCLE_COLLECTING_ADDREF(nsJSInspector)
    1.41 +NS_IMPL_CYCLE_COLLECTING_RELEASE(nsJSInspector)
    1.42 +
    1.43 +NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(nsJSInspector)
    1.44 +  NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS
    1.45 +NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
    1.46 +
    1.47 +NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(nsJSInspector)
    1.48 +  tmp->mRequestors.Clear();
    1.49 +  tmp->mLastRequestor = JS::NullValue();
    1.50 +NS_IMPL_CYCLE_COLLECTION_UNLINK_END
    1.51 +
    1.52 +NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(nsJSInspector)
    1.53 +  for (uint32_t i = 0; i < tmp->mRequestors.Length(); ++i) {
    1.54 +    NS_IMPL_CYCLE_COLLECTION_TRACE_JSVAL_MEMBER_CALLBACK(mRequestors[i])
    1.55 +  }
    1.56 +  NS_IMPL_CYCLE_COLLECTION_TRACE_JSVAL_MEMBER_CALLBACK(mLastRequestor)
    1.57 +NS_IMPL_CYCLE_COLLECTION_TRACE_END
    1.58 +
    1.59 +nsJSInspector::nsJSInspector() : mNestedLoopLevel(0), mRequestors(1), mLastRequestor(JSVAL_NULL)
    1.60 +{
    1.61 +}
    1.62 +
    1.63 +nsJSInspector::~nsJSInspector()
    1.64 +{
    1.65 +  MOZ_ASSERT(mRequestors.Length() == 0);
    1.66 +  MOZ_ASSERT(mLastRequestor.isNull());
    1.67 +  mozilla::DropJSObjects(this);
    1.68 +}
    1.69 +
    1.70 +NS_IMETHODIMP
    1.71 +nsJSInspector::EnterNestedEventLoop(JS::Handle<JS::Value> requestor, uint32_t *out)
    1.72 +{
    1.73 +  nsresult rv = NS_OK;
    1.74 +
    1.75 +  mLastRequestor = requestor;
    1.76 +  mRequestors.AppendElement(requestor);
    1.77 +  mozilla::HoldJSObjects(this);
    1.78 +
    1.79 +  mozilla::dom::AutoNoJSAPI nojsapi;
    1.80 +
    1.81 +  uint32_t nestLevel = ++mNestedLoopLevel;
    1.82 +  while (NS_SUCCEEDED(rv) && mNestedLoopLevel >= nestLevel) {
    1.83 +    if (!NS_ProcessNextEvent())
    1.84 +      rv = NS_ERROR_UNEXPECTED;
    1.85 +  }
    1.86 +
    1.87 +  NS_ASSERTION(mNestedLoopLevel <= nestLevel,
    1.88 +               "nested event didn't unwind properly");
    1.89 +
    1.90 +  if (mNestedLoopLevel == nestLevel) {
    1.91 +    mLastRequestor = mRequestors.ElementAt(--mNestedLoopLevel);
    1.92 +  }
    1.93 +
    1.94 +  *out = mNestedLoopLevel;
    1.95 +  return rv;
    1.96 +}
    1.97 +
    1.98 +NS_IMETHODIMP
    1.99 +nsJSInspector::ExitNestedEventLoop(uint32_t *out)
   1.100 +{
   1.101 +  if (mNestedLoopLevel > 0) {
   1.102 +    mRequestors.RemoveElementAt(--mNestedLoopLevel);
   1.103 +    if (mNestedLoopLevel > 0)
   1.104 +      mLastRequestor = mRequestors.ElementAt(mNestedLoopLevel - 1);
   1.105 +    else
   1.106 +      mLastRequestor = JSVAL_NULL;
   1.107 +  } else {
   1.108 +    return NS_ERROR_FAILURE;
   1.109 +  }
   1.110 +
   1.111 +  *out = mNestedLoopLevel;
   1.112 +
   1.113 +  return NS_OK;
   1.114 +}
   1.115 +
   1.116 +NS_IMETHODIMP
   1.117 +nsJSInspector::GetEventLoopNestLevel(uint32_t *out)
   1.118 +{
   1.119 +  *out = mNestedLoopLevel;
   1.120 +  return NS_OK;
   1.121 +}
   1.122 +
   1.123 +NS_IMETHODIMP
   1.124 +nsJSInspector::GetLastNestRequestor(JS::MutableHandle<JS::Value> out)
   1.125 +{
   1.126 +  out.set(mLastRequestor);
   1.127 +  return NS_OK;
   1.128 +}
   1.129 +
   1.130 +}
   1.131 +}
   1.132 +
   1.133 +NS_DEFINE_NAMED_CID(JSINSPECTOR_CID);
   1.134 +
   1.135 +static const mozilla::Module::CIDEntry kJSInspectorCIDs[] = {
   1.136 +  { &kJSINSPECTOR_CID, false, nullptr, mozilla::jsinspector::nsJSInspectorConstructor },
   1.137 +  { nullptr }
   1.138 +};
   1.139 +
   1.140 +static const mozilla::Module::ContractIDEntry kJSInspectorContracts[] = {
   1.141 +  { JSINSPECTOR_CONTRACTID, &kJSINSPECTOR_CID },
   1.142 +  { nullptr }
   1.143 +};
   1.144 +
   1.145 +static const mozilla::Module kJSInspectorModule = {
   1.146 +  mozilla::Module::kVersion,
   1.147 +  kJSInspectorCIDs,
   1.148 +  kJSInspectorContracts
   1.149 +};
   1.150 +
   1.151 +NSMODULE_DEFN(jsinspector) = &kJSInspectorModule;