internal AsyncMethodToStateMachineRewriter(
MethodSymbol method,
int methodOrdinal,
AsyncMethodBuilderMemberCollection asyncMethodBuilderMemberCollection,
AsyncIteratorInfo asyncIteratorInfo,
SyntheticBoundNodeFactory F,
FieldSymbol state,
FieldSymbol builder,
IReadOnlySet <Symbol> hoistedVariables,
IReadOnlyDictionary <Symbol, CapturedSymbolReplacement> nonReusableLocalProxies,
SynthesizedLocalOrdinalsDispenser synthesizedLocalOrdinals,
VariableSlotAllocator slotAllocatorOpt,
int nextFreeHoistedLocalSlot,
DiagnosticBag diagnostics)
: base(F, method, state, hoistedVariables, nonReusableLocalProxies, synthesizedLocalOrdinals, slotAllocatorOpt, nextFreeHoistedLocalSlot, diagnostics, useFinalizerBookkeeping: false)
{
_method = method;
_asyncMethodBuilderMemberCollection = asyncMethodBuilderMemberCollection;
_asyncIteratorInfo = asyncIteratorInfo;
_asyncMethodBuilderField = builder;
_exprReturnLabel = F.GenerateLabel("exprReturn");
_exitLabel = F.GenerateLabel("exitLabel");
_exprRetValue = method.IsGenericTaskReturningAsync(F.Compilation)
? F.SynthesizedLocal(asyncMethodBuilderMemberCollection.ResultType, syntax: F.Syntax, kind: SynthesizedLocalKind.AsyncMethodReturnValue)
: null;
_dynamicFactory = new LoweredDynamicOperationFactory(F, methodOrdinal);
_awaiterFields = new Dictionary <TypeSymbol, FieldSymbol>(TypeSymbol.EqualsIgnoringDynamicTupleNamesAndNullabilityComparer);
_nextAwaiterId = slotAllocatorOpt?.PreviousAwaiterSlotCount ?? 0;
}
internal AsyncIteratorMethodToStateMachineRewriter(MethodSymbol method,
int methodOrdinal,
AsyncMethodBuilderMemberCollection asyncMethodBuilderMemberCollection,
AsyncIteratorInfo asyncIteratorInfo,
SyntheticBoundNodeFactory F,
FieldSymbol state,
FieldSymbol builder,
IReadOnlySet <Symbol> hoistedVariables,
IReadOnlyDictionary <Symbol, CapturedSymbolReplacement> nonReusableLocalProxies,
SynthesizedLocalOrdinalsDispenser synthesizedLocalOrdinals,
ArrayBuilder <StateMachineStateDebugInfo> stateMachineStateDebugInfoBuilder,
VariableSlotAllocator slotAllocatorOpt,
int nextFreeHoistedLocalSlot,
BindingDiagnosticBag diagnostics)
: base(method, methodOrdinal, asyncMethodBuilderMemberCollection, F,
state, builder, hoistedVariables, nonReusableLocalProxies, synthesizedLocalOrdinals,
stateMachineStateDebugInfoBuilder, slotAllocatorOpt, nextFreeHoistedLocalSlot, diagnostics)
{
Debug.Assert(asyncIteratorInfo != null);
_asyncIteratorInfo = asyncIteratorInfo;
_currentDisposalLabel = _exprReturnLabel;
_exprReturnLabelTrue = F.GenerateLabel("yieldReturn");
_iteratorStateAllocator = new ResumableStateMachineStateAllocator(
slotAllocatorOpt,
firstState: StateMachineStates.FirstResumableAsyncIteratorState,
increasing: false);
}
private int _nextYieldReturnState = StateMachineStates.InitialAsyncIteratorStateMachine; // -3
internal AsyncIteratorMethodToStateMachineRewriter(MethodSymbol method,
int methodOrdinal,
AsyncMethodBuilderMemberCollection asyncMethodBuilderMemberCollection,
AsyncIteratorInfo asyncIteratorInfo,
SyntheticBoundNodeFactory F,
FieldSymbol state,
FieldSymbol builder,
IReadOnlySet <Symbol> hoistedVariables,
IReadOnlyDictionary <Symbol, CapturedSymbolReplacement> nonReusableLocalProxies,
SynthesizedLocalOrdinalsDispenser synthesizedLocalOrdinals,
VariableSlotAllocator slotAllocatorOpt,
int nextFreeHoistedLocalSlot,
DiagnosticBag diagnostics)
: base(method, methodOrdinal, asyncMethodBuilderMemberCollection, F,
state, builder, hoistedVariables, nonReusableLocalProxies, synthesizedLocalOrdinals,
slotAllocatorOpt, nextFreeHoistedLocalSlot, diagnostics)
{
Debug.Assert(asyncIteratorInfo != null);
_asyncIteratorInfo = asyncIteratorInfo;
_enclosingFinallyOrExitLabel = _exprReturnLabel;
_exprReturnLabelTrue = F.GenerateLabel("yieldReturn");
}
