internal static bool TryCreate(SyntheticBoundNodeFactory F, MethodSymbol method, TypeMap typeMap, out AsyncMethodBuilderMemberCollection collection)
{
if (method.IsVoidReturningAsync())
{
return TryCreate(
F: F,
builderType: F.WellKnownType(WellKnownType.System_Runtime_CompilerServices_AsyncVoidMethodBuilder),
resultType: F.SpecialType(SpecialType.System_Void),
setException: WellKnownMember.System_Runtime_CompilerServices_AsyncVoidMethodBuilder__SetException,
setResult: WellKnownMember.System_Runtime_CompilerServices_AsyncVoidMethodBuilder__SetResult,
awaitOnCompleted: WellKnownMember.System_Runtime_CompilerServices_AsyncVoidMethodBuilder__AwaitOnCompleted,
awaitUnsafeOnCompleted: WellKnownMember.System_Runtime_CompilerServices_AsyncVoidMethodBuilder__AwaitUnsafeOnCompleted,
start: WellKnownMember.System_Runtime_CompilerServices_AsyncVoidMethodBuilder__Start_T,
setStateMachine: WellKnownMember.System_Runtime_CompilerServices_AsyncVoidMethodBuilder__SetStateMachine,
task: null,
collection: out collection);
}
if (method.IsTaskReturningAsync(F.Compilation))
{
NamedTypeSymbol builderType = F.WellKnownType(WellKnownType.System_Runtime_CompilerServices_AsyncTaskMethodBuilder);
PropertySymbol task;
if (!TryGetWellKnownPropertyAsMember(F, WellKnownMember.System_Runtime_CompilerServices_AsyncTaskMethodBuilder__Task, builderType, out task))
{
collection = default(AsyncMethodBuilderMemberCollection);
return false;
}
return TryCreate(
F: F,
builderType: F.WellKnownType(WellKnownType.System_Runtime_CompilerServices_AsyncTaskMethodBuilder),
resultType: F.SpecialType(SpecialType.System_Void),
setException: WellKnownMember.System_Runtime_CompilerServices_AsyncTaskMethodBuilder__SetException,
setResult: WellKnownMember.System_Runtime_CompilerServices_AsyncTaskMethodBuilder__SetResult,
awaitOnCompleted: WellKnownMember.System_Runtime_CompilerServices_AsyncTaskMethodBuilder__AwaitOnCompleted,
awaitUnsafeOnCompleted: WellKnownMember.System_Runtime_CompilerServices_AsyncTaskMethodBuilder__AwaitUnsafeOnCompleted,
start: WellKnownMember.System_Runtime_CompilerServices_AsyncTaskMethodBuilder__Start_T,
setStateMachine: WellKnownMember.System_Runtime_CompilerServices_AsyncTaskMethodBuilder__SetStateMachine,
task: task,
collection: out collection);
}
if (method.IsGenericTaskReturningAsync(F.Compilation))
{
TypeSymbol resultType = method.ReturnType.GetMemberTypeArgumentsNoUseSiteDiagnostics().Single();
if (resultType.IsDynamic())
{
resultType = F.SpecialType(SpecialType.System_Object);
}
if (typeMap != null)
{
resultType = typeMap.SubstituteType(resultType).Type;
}
NamedTypeSymbol builderType = F.WellKnownType(WellKnownType.System_Runtime_CompilerServices_AsyncTaskMethodBuilder_T).Construct(resultType);
PropertySymbol task;
if (!TryGetWellKnownPropertyAsMember(F, WellKnownMember.System_Runtime_CompilerServices_AsyncTaskMethodBuilder_T__Task, builderType, out task))
{
collection = default(AsyncMethodBuilderMemberCollection);
return false;
}
return TryCreate(
F: F,
builderType: builderType,
resultType: resultType,
setException: WellKnownMember.System_Runtime_CompilerServices_AsyncTaskMethodBuilder_T__SetException,
setResult: WellKnownMember.System_Runtime_CompilerServices_AsyncTaskMethodBuilder_T__SetResult,
awaitOnCompleted: WellKnownMember.System_Runtime_CompilerServices_AsyncTaskMethodBuilder_T__AwaitOnCompleted,
awaitUnsafeOnCompleted: WellKnownMember.System_Runtime_CompilerServices_AsyncTaskMethodBuilder_T__AwaitUnsafeOnCompleted,
start: WellKnownMember.System_Runtime_CompilerServices_AsyncTaskMethodBuilder_T__Start_T,
setStateMachine: WellKnownMember.System_Runtime_CompilerServices_AsyncTaskMethodBuilder_T__SetStateMachine,
task: task,
collection: out collection);
}
throw ExceptionUtilities.UnexpectedValue(method);
}