Issue #1691 - Part 7c: Refactor ModuleScript into ClassicScript class and LoadedScript base class so we can represent all scripts that can perform dynamic import. https://bugzilla.mozilla.org/show_bug.cgi?id=1342012

(cherry picked from commit c37b8b55231f6609c87e49c84edf7e94a1bf5518)
This commit is contained in:
Brian Smith
2023-04-18 23:43:04 -05:00
committed by roytam1
parent ba01d99e31
commit 41eda05e57
2 changed files with 115 additions and 27 deletions
+62 -21
View File
@@ -16,45 +16,86 @@
namespace mozilla {
namespace dom {
// A single module script. May be used to satisfy multiple load requests.
//////////////////////////////////////////////////////////////
// LoadedScript
//////////////////////////////////////////////////////////////
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(ModuleScript)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(LoadedScript)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTION_CLASS(ModuleScript)
NS_IMPL_CYCLE_COLLECTION_CLASS(LoadedScript)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(ModuleScript)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(LoadedScript)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mLoader)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mFetchOptions)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mBaseURL)
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(LoadedScript)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mLoader)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mFetchOptions)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(LoadedScript)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(LoadedScript)
NS_IMPL_CYCLE_COLLECTING_RELEASE(LoadedScript)
LoadedScript::LoadedScript(ScriptKind aKind, ScriptLoader* aLoader,
ScriptFetchOptions* aFetchOptions, nsIURI* aBaseURL)
: mKind(aKind),
mLoader(aLoader),
mFetchOptions(aFetchOptions),
mBaseURL(aBaseURL)
{
MOZ_ASSERT(mLoader);
MOZ_ASSERT(mFetchOptions);
MOZ_ASSERT(mBaseURL);
}
LoadedScript::~LoadedScript() { DropJSObjects(this); }
//////////////////////////////////////////////////////////////
// ClassicScript
//////////////////////////////////////////////////////////////
ClassicScript::ClassicScript(ScriptLoader* aLoader,
ScriptFetchOptions* aFetchOptions,
nsIURI* aBaseURL)
: LoadedScript(ScriptKind::Classic, aLoader, aFetchOptions, aBaseURL) {}
//////////////////////////////////////////////////////////////
// ModuleScript
//////////////////////////////////////////////////////////////
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(ModuleScript)
NS_INTERFACE_MAP_END_INHERITING(LoadedScript)
NS_IMPL_CYCLE_COLLECTION_CLASS(ModuleScript)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(ModuleScript, LoadedScript)
tmp->UnlinkModuleRecord();
tmp->mParseError.setUndefined();
tmp->mErrorToRethrow.setUndefined();
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(ModuleScript)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mLoader)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mFetchOptions)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(ModuleScript, LoadedScript)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(ModuleScript)
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(ModuleScript, LoadedScript)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mModuleRecord)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mParseError)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mErrorToRethrow)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(ModuleScript)
NS_IMPL_CYCLE_COLLECTING_RELEASE(ModuleScript)
NS_IMPL_ADDREF_INHERITED(ModuleScript, LoadedScript)
NS_IMPL_RELEASE_INHERITED(ModuleScript, LoadedScript)
ModuleScript::ModuleScript(ScriptLoader* aLoader,
ScriptFetchOptions* aFetchOptions, nsIURI* aBaseURL)
: mLoader(aLoader),
mFetchOptions(aFetchOptions),
mBaseURL(aBaseURL) {
MOZ_ASSERT(mLoader);
MOZ_ASSERT(mFetchOptions);
MOZ_ASSERT(mBaseURL);
MOZ_ASSERT(!mModuleRecord);
: LoadedScript(ScriptKind::Module, aLoader, aFetchOptions, aBaseURL) {
MOZ_ASSERT(!ModuleRecord());
MOZ_ASSERT(!HasParseError());
MOZ_ASSERT(!HasErrorToRethrow());
}
@@ -77,21 +118,21 @@ ModuleScript::~ModuleScript()
{
// The object may be destroyed without being unlinked first.
UnlinkModuleRecord();
DropJSObjects(this);
}
void
ModuleScript::SetModuleRecord(JS::Handle<JSObject*> aModuleRecord)
{
MOZ_ASSERT(!mModuleRecord);
MOZ_ASSERT(!HasParseError());
MOZ_ASSERT(!HasErrorToRethrow());
MOZ_ASSERT_IF(IsModuleScript(), !AsModuleScript()->HasParseError());
MOZ_ASSERT_IF(IsModuleScript(), !AsModuleScript()->HasErrorToRethrow());
mModuleRecord = aModuleRecord;
// Make module's host defined field point to this object and
// increment our reference count. This is decremented by
// UnlinkModuleRecord() above.
MOZ_ASSERT(JS::GetModulePrivate(mModuleRecord).isUndefined());
JS::SetModulePrivate(mModuleRecord, JS::PrivateValue(this));
HoldJSObjects(this);
}
@@ -125,7 +166,7 @@ ModuleScript::SetErrorToRethrow(const JS::Value& aError)
// This is only called after SetModuleRecord() or SetParseError() so we don't
// need to call HoldJSObjects() here.
MOZ_ASSERT(mModuleRecord || HasParseError());
MOZ_ASSERT(ModuleRecord() || HasParseError());
mErrorToRethrow = aError;
}