forked from mirrors/gecko-dev
293 lines
8.5 KiB
Python
293 lines
8.5 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
# NOTE: Although this generates headers and code for C++, using Services.h
|
|
# is deprecated in favour of Components.h. This system is currently only
|
|
# used for generating services.rs (until a Rust version of Components.h is
|
|
# is written and this can be completely deleted).
|
|
|
|
import buildconfig
|
|
|
|
|
|
services = []
|
|
|
|
|
|
def service(name, iface, contractid):
|
|
"""Define a convenient service getter"""
|
|
services.append((name, iface, contractid))
|
|
|
|
|
|
# The `name` parameter is derived from the `iface` by removing the `nsI`
|
|
# prefix. (This often matches the `contractid`, but not always.) The only
|
|
# exceptions are when that would result in a misleading name, e.g. for
|
|
# "@mozilla.org/file/directory_service;1".
|
|
service("ChromeRegistry", "nsIChromeRegistry", "@mozilla.org/chrome/chrome-registry;1")
|
|
service(
|
|
"ToolkitChromeRegistry",
|
|
"nsIToolkitChromeRegistry",
|
|
"@mozilla.org/chrome/chrome-registry;1",
|
|
)
|
|
service(
|
|
"XULChromeRegistry", "nsIXULChromeRegistry", "@mozilla.org/chrome/chrome-registry;1"
|
|
)
|
|
service("DirectoryService", "nsIProperties", "@mozilla.org/file/directory_service;1"),
|
|
service("IOService", "nsIIOService", "@mozilla.org/network/io-service;1")
|
|
service("ObserverService", "nsIObserverService", "@mozilla.org/observer-service;1")
|
|
service(
|
|
"StringBundleService", "nsIStringBundleService", "@mozilla.org/intl/stringbundle;1"
|
|
)
|
|
service("PermissionManager", "nsIPermissionManager", "@mozilla.org/permissionmanager;1")
|
|
service("PrefService", "nsIPrefService", "@mozilla.org/preferences-service;1")
|
|
service(
|
|
"ServiceWorkerManager",
|
|
"nsIServiceWorkerManager",
|
|
"@mozilla.org/serviceworkers/manager;1",
|
|
)
|
|
service(
|
|
"AsyncShutdownService",
|
|
"nsIAsyncShutdownService",
|
|
"@mozilla.org/async-shutdown-service;1",
|
|
)
|
|
service("UUIDGenerator", "nsIUUIDGenerator", "@mozilla.org/uuid-generator;1")
|
|
service("GfxInfo", "nsIGfxInfo", "@mozilla.org/gfx/info;1")
|
|
service(
|
|
"SocketTransportService",
|
|
"nsISocketTransportService",
|
|
"@mozilla.org/network/socket-transport-service;1",
|
|
)
|
|
service(
|
|
"StreamTransportService",
|
|
"nsIStreamTransportService",
|
|
"@mozilla.org/network/stream-transport-service;1",
|
|
)
|
|
service(
|
|
"CacheStorageService",
|
|
"nsICacheStorageService",
|
|
"@mozilla.org/netwerk/cache-storage-service;1",
|
|
)
|
|
service("URIClassifier", "nsIURIClassifier", "@mozilla.org/uriclassifierservice")
|
|
service(
|
|
"HttpActivityDistributor",
|
|
"nsIHttpActivityDistributor",
|
|
"@mozilla.org/network/http-activity-distributor;1",
|
|
)
|
|
service("History", "mozilla::IHistory", "@mozilla.org/browser/history;1")
|
|
service("ThirdPartyUtil", "mozIThirdPartyUtil", "@mozilla.org/thirdpartyutil;1")
|
|
service("URIFixup", "nsIURIFixup", "@mozilla.org/docshell/uri-fixup;1")
|
|
service("Bits", "nsIBits", "@mozilla.org/bits;1")
|
|
service(
|
|
"MemoryReporterManager",
|
|
"nsIMemoryReporterManager",
|
|
"@mozilla.org/memory-reporter-manager;1",
|
|
)
|
|
# If you want nsIXULAppInfo, as returned by Services.jsm, you need to call:
|
|
#
|
|
# nsCOMPtr<nsIXULRuntime> runtime = mozilla::services::GetXULRuntime();
|
|
# nsCOMPtr<nsIXULAppInfo> appInfo = do_QueryInterface(runtime);
|
|
#
|
|
# for C++ or:
|
|
#
|
|
# let appInfo =
|
|
# get_XULRuntime().and_then(|p| p.query_interface::<nsIXULAppInfo>());
|
|
#
|
|
# for Rust. Note that not all applications (e.g. xpcshell) implement
|
|
# nsIXULAppInfo.
|
|
service("XULRuntime", "nsIXULRuntime", "@mozilla.org/xre/app-info;1")
|
|
|
|
if buildconfig.substs.get("ENABLE_WEBDRIVER"):
|
|
service("RemoteAgent", "nsIRemoteAgent", "@mozilla.org/remote/agent;1")
|
|
|
|
# The definition file needs access to the definitions of the particular
|
|
# interfaces. If you add a new interface here, make sure the necessary includes
|
|
# are also listed in the following code snippet.
|
|
CPP_INCLUDES = """
|
|
#include "mozilla/Likely.h"
|
|
#include "mozilla/Services.h"
|
|
#include "mozIThirdPartyUtil.h"
|
|
#include "nsComponentManager.h"
|
|
#include "nsIObserverService.h"
|
|
#include "nsNetCID.h"
|
|
#include "nsObserverService.h"
|
|
#include "nsXPCOMPrivate.h"
|
|
#include "nsIIOService.h"
|
|
#include "nsIDirectoryService.h"
|
|
#include "nsIChromeRegistry.h"
|
|
#include "nsIStringBundle.h"
|
|
#include "nsIToolkitChromeRegistry.h"
|
|
#include "IHistory.h"
|
|
#include "nsIXPConnect.h"
|
|
#include "nsIPermissionManager.h"
|
|
#include "nsIPrefService.h"
|
|
#include "nsIServiceWorkerManager.h"
|
|
#include "nsICacheStorageService.h"
|
|
#include "nsIStreamTransportService.h"
|
|
#include "nsISocketTransportService.h"
|
|
#include "nsIURIClassifier.h"
|
|
#include "nsIHttpActivityObserver.h"
|
|
#include "nsIAsyncShutdown.h"
|
|
#include "nsIUUIDGenerator.h"
|
|
#include "nsIGfxInfo.h"
|
|
#include "nsIURIFixup.h"
|
|
#include "nsIBits.h"
|
|
#include "nsIXULRuntime.h"
|
|
"""
|
|
|
|
if buildconfig.substs.get("ENABLE_WEBDRIVER"):
|
|
CPP_INCLUDES += '#include "nsIRemoteAgent.h"'
|
|
|
|
|
|
#####
|
|
# Codegen Logic
|
|
#
|
|
# The following code consumes the data listed above to generate the files
|
|
# Services.h, Services.cpp, and services.rs which provide access to these
|
|
# service getters in both rust and C++ code.
|
|
#
|
|
# XXX(nika): would it be a good idea to unify Services.jsm into here too?
|
|
|
|
|
|
def services_h(output):
|
|
output.write(
|
|
"""\
|
|
/* THIS FILE IS GENERATED BY Services.py - DO NOT EDIT */
|
|
|
|
#ifndef mozilla_Services_h
|
|
#define mozilla_Services_h
|
|
|
|
#include "nscore.h"
|
|
#include "nsCOMPtr.h"
|
|
"""
|
|
)
|
|
|
|
for (name, iface, contractid) in services:
|
|
# Write out a forward declaration for the type in question
|
|
segs = iface.split("::")
|
|
for namespace in segs[:-1]:
|
|
output.write("namespace %s {\n" % namespace)
|
|
output.write("class %s;\n" % segs[-1])
|
|
for namespace in reversed(segs[:-1]):
|
|
output.write("} // namespace %s\n" % namespace)
|
|
|
|
# Write out the C-style function signature, and the C++ wrapper
|
|
output.write(
|
|
"""
|
|
#ifdef MOZILLA_INTERNAL_API
|
|
extern "C" {
|
|
/**
|
|
* NOTE: Don't call this method directly, instead call mozilla::services::Get%(name)s.
|
|
* It is used to expose XPCOM services to rust code. The return value is already addrefed.
|
|
*/
|
|
%(type)s* XPCOMService_Get%(name)s();
|
|
} // extern "C"
|
|
|
|
namespace mozilla {
|
|
namespace services {
|
|
/**
|
|
* Fetch a cached instance of the %(name)s.
|
|
* This function will return nullptr during XPCOM shutdown.
|
|
*/
|
|
inline already_AddRefed<%(type)s>
|
|
Get%(name)s()
|
|
{
|
|
return already_AddRefed<%(type)s>(XPCOMService_Get%(name)s());
|
|
}
|
|
} // namespace services
|
|
} // namespace mozilla
|
|
#endif // defined(MOZILLA_INTERNAL_API)
|
|
"""
|
|
% {
|
|
"name": name,
|
|
"type": iface,
|
|
}
|
|
)
|
|
|
|
output.write("#endif // !defined(mozilla_Services_h)\n")
|
|
|
|
|
|
def services_cpp(output):
|
|
output.write(
|
|
"""\
|
|
/* THIS FILE IS GENERATED BY Services.py - DO NOT EDIT */
|
|
"""
|
|
)
|
|
output.write(CPP_INCLUDES)
|
|
|
|
for (name, iface, contractid) in services:
|
|
output.write(
|
|
"""
|
|
static %(type)s* g%(name)s = nullptr;
|
|
|
|
extern "C" {
|
|
/**
|
|
* NOTE: Don't call this method directly, instead call `mozilla::services::Get%(name)s`.
|
|
* This method is extern "C" to expose XPCOM services to rust code.
|
|
* The return value is already addrefed.
|
|
*/
|
|
%(type)s*
|
|
XPCOMService_Get%(name)s()
|
|
{
|
|
if (MOZ_UNLIKELY(gXPCOMShuttingDown)) {
|
|
return nullptr;
|
|
}
|
|
if (!g%(name)s) {
|
|
nsCOMPtr<%(type)s> os = do_GetService("%(contractid)s");
|
|
os.swap(g%(name)s);
|
|
}
|
|
return do_AddRef(g%(name)s).take();
|
|
}
|
|
} // extern "C"
|
|
"""
|
|
% {
|
|
"name": name,
|
|
"type": iface,
|
|
"contractid": contractid,
|
|
}
|
|
)
|
|
|
|
output.write(
|
|
"""
|
|
/**
|
|
* Clears service cache, sets gXPCOMShuttingDown
|
|
*/
|
|
void
|
|
mozilla::services::Shutdown()
|
|
{
|
|
gXPCOMShuttingDown = true;
|
|
"""
|
|
)
|
|
for (name, iface, contractid) in services:
|
|
output.write(" NS_IF_RELEASE(g%s);\n" % name)
|
|
output.write("}\n")
|
|
|
|
|
|
def services_rs(output):
|
|
output.write(
|
|
"""\
|
|
/* THIS FILE IS GENERATED BY Services.py - DO NOT EDIT */
|
|
|
|
use crate::RefPtr;
|
|
"""
|
|
)
|
|
|
|
for (name, iface, _) in services:
|
|
# NOTE: We can't support namespaced interfaces in rust code, so we have to ignore them.
|
|
if "::" in iface:
|
|
continue
|
|
|
|
output.write(
|
|
"""
|
|
/// Fetches a cached reference to the `%(name)s`.
|
|
/// This function will return `None` during XPCOM shutdown.
|
|
pub fn get_%(name)s() -> Option<RefPtr<crate::interfaces::%(type)s>> {
|
|
extern "C" {
|
|
fn XPCOMService_Get%(name)s() -> *mut crate::interfaces::%(type)s;
|
|
}
|
|
unsafe { RefPtr::from_raw_dont_addref(XPCOMService_Get%(name)s()) }
|
|
}
|
|
"""
|
|
% {
|
|
"name": name,
|
|
"type": iface,
|
|
}
|
|
)
|