forked from mirrors/gecko-dev
51fbee878f
MozReview-Commit-ID: 3ry7pRiqNWv --HG-- rename : devtools/server/moz.build => devtools/platform/moz.build rename : devtools/server/nsIJSInspector.idl => devtools/platform/nsIJSInspector.idl rename : devtools/server/nsJSInspector.cpp => devtools/platform/nsJSInspector.cpp rename : devtools/server/nsJSInspector.h => devtools/platform/nsJSInspector.h rename : devtools/server/tests/unit/test_nsjsinspector.js => devtools/platform/tests/unit/test_nsjsinspector.js extra : rebase_source : 1df23f9247d9202fc7022ae73f8bf4bcf262410b
145 lines
3.8 KiB
C++
145 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsJSInspector.h"
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#include "nsIXPConnect.h"
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#include "nsThreadUtils.h"
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#include "jsfriendapi.h"
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#include "mozilla/HoldDropJSObjects.h"
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#include "mozilla/ModuleUtils.h"
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#include "mozilla/dom/ScriptSettings.h"
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#include "nsServiceManagerUtils.h"
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#include "nsMemory.h"
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#include "nsArray.h"
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#include "nsTArray.h"
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#define JSINSPECTOR_CONTRACTID \
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"@mozilla.org/jsinspector;1"
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#define JSINSPECTOR_CID \
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{ 0xec5aa99c, 0x7abb, 0x4142, { 0xac, 0x5f, 0xaa, 0xb2, 0x41, 0x9e, 0x38, 0xe2 } }
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namespace mozilla {
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namespace jsinspector {
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsJSInspector)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsJSInspector)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_ENTRY(nsIJSInspector)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTION_CLASS(nsJSInspector)
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NS_IMPL_CYCLE_COLLECTING_ADDREF(nsJSInspector)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(nsJSInspector)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(nsJSInspector)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(nsJSInspector)
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tmp->mRequestors.Clear();
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tmp->mLastRequestor = JS::NullValue();
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(nsJSInspector)
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for (uint32_t i = 0; i < tmp->mRequestors.Length(); ++i) {
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NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mRequestors[i])
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}
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NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mLastRequestor)
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NS_IMPL_CYCLE_COLLECTION_TRACE_END
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nsJSInspector::nsJSInspector() : mNestedLoopLevel(0), mRequestors(1), mLastRequestor(JS::NullValue())
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{
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}
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nsJSInspector::~nsJSInspector()
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{
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MOZ_ASSERT(mRequestors.Length() == 0);
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MOZ_ASSERT(mLastRequestor.isNull());
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mozilla::DropJSObjects(this);
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}
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NS_IMETHODIMP
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nsJSInspector::EnterNestedEventLoop(JS::Handle<JS::Value> requestor, uint32_t *out)
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{
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nsresult rv = NS_OK;
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mLastRequestor = requestor;
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mRequestors.AppendElement(requestor);
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mozilla::HoldJSObjects(this);
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mozilla::dom::AutoNoJSAPI nojsapi;
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uint32_t nestLevel = ++mNestedLoopLevel;
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if (!SpinEventLoopUntil([&]() { return mNestedLoopLevel < nestLevel; })) {
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rv = NS_ERROR_UNEXPECTED;
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}
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NS_ASSERTION(mNestedLoopLevel <= nestLevel,
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"nested event didn't unwind properly");
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if (mNestedLoopLevel == nestLevel) {
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mLastRequestor = mRequestors.ElementAt(--mNestedLoopLevel);
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}
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*out = mNestedLoopLevel;
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return rv;
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}
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NS_IMETHODIMP
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nsJSInspector::ExitNestedEventLoop(uint32_t *out)
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{
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if (mNestedLoopLevel > 0) {
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mRequestors.RemoveElementAt(--mNestedLoopLevel);
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if (mNestedLoopLevel > 0)
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mLastRequestor = mRequestors.ElementAt(mNestedLoopLevel - 1);
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else
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mLastRequestor = JS::NullValue();
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} else {
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return NS_ERROR_FAILURE;
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}
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*out = mNestedLoopLevel;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJSInspector::GetEventLoopNestLevel(uint32_t *out)
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{
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*out = mNestedLoopLevel;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJSInspector::GetLastNestRequestor(JS::MutableHandle<JS::Value> out)
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{
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out.set(mLastRequestor);
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return NS_OK;
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}
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} // namespace jsinspector
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} // namespace mozilla
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NS_DEFINE_NAMED_CID(JSINSPECTOR_CID);
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static const mozilla::Module::CIDEntry kJSInspectorCIDs[] = {
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{ &kJSINSPECTOR_CID, false, nullptr, mozilla::jsinspector::nsJSInspectorConstructor },
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{ nullptr }
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};
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static const mozilla::Module::ContractIDEntry kJSInspectorContracts[] = {
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{ JSINSPECTOR_CONTRACTID, &kJSINSPECTOR_CID },
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{ nullptr }
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};
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static const mozilla::Module kJSInspectorModule = {
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mozilla::Module::kVersion,
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kJSInspectorCIDs,
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kJSInspectorContracts
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};
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NSMODULE_DEFN(jsinspector) = &kJSInspectorModule;
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