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未验证 提交 0e7b657b 编写于 作者: J Julien Couvreur 提交者： GitHub
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Async-streams: Call AsyncIteratorMethodBuilder.Complete (#39436)

上级 b2b0deff
隐藏空白更改
内联 并排
Showing with 484 addition and 416 deletion
docs/features/async-streams.md
浏览文件 @ 0e7b657b
......@@ -176,6 +176,7 @@ IAsyncEnumerator<T> GetAsyncEnumerator(CancellationToken token)
if (initialThreadId == /*managedThreadId*/ && state == StateMachineStates.FinishedStateMachine)
{
state = InitialState; // -3
builder = AsyncIteratorMethodBuilder.Create();
disposeMode = false;
result = this;
}
......
src/Compilers/CSharp/Portable/Lowering/AsyncRewriter/AsyncIteratorMethodToStateMachineRewriter.cs
浏览文件 @ 0e7b657b
// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Diagnostics;
using Microsoft.CodeAnalysis.CodeGen;
using Microsoft.CodeAnalysis.CSharp.Symbols;
......@@ -71,6 +71,7 @@ protected override BoundStatement GenerateSetResultCall()
// if (this.combinedTokens != null) { this.combinedTokens.Dispose(); this.combinedTokens = null; } // for enumerables only
// this.promiseOfValueOrEnd.SetResult(false);
// this.builder.Complete();
// return;
// _exprReturnLabelTrue:
// this.promiseOfValueOrEnd.SetResult(true);
......@@ -86,6 +87,7 @@ protected override BoundStatement GenerateSetResultCall()
builder.AddRange(
// this.promiseOfValueOrEnd.SetResult(false);
generateSetResultOnPromise(false),
GenerateCompleteOnBuilder(),
F.Return(),
F.Label(_exprReturnLabelTrue),
// this.promiseOfValueOrEnd.SetResult(true);
......@@ -102,6 +104,17 @@ BoundExpressionStatement generateSetResultOnPromise(bool result)
}
}
private BoundExpressionStatement GenerateCompleteOnBuilder()
{
// Produce:
// this.builder.Complete();
return F.ExpressionStatement(
F.Call(
F.Field(F.This(), _asyncMethodBuilderField),
_asyncMethodBuilderMemberCollection.SetResult, // AsyncIteratorMethodBuilder.Complete is the corresponding method to AsyncTaskMethodBuilder.SetResult
ImmutableArray<BoundExpression>.Empty));
}
private void AddDisposeCombinedTokensIfNeeded(ArrayBuilder<BoundStatement> builder)
{
// if (this.combinedTokens != null) { this.combinedTokens.Dispose(); this.combinedTokens = null; } // for enumerables only
......@@ -131,6 +144,9 @@ protected override BoundStatement GenerateSetExceptionCall(LocalSymbol exception
_asyncIteratorInfo.SetExceptionMethod,
F.Local(exceptionLocal))));
// this.builder.Complete();
builder.Add(GenerateCompleteOnBuilder());
return F.Block(builder.ToImmutableAndFree());
}
......
src/Compilers/CSharp/Portable/Lowering/AsyncRewriter/AsyncMethodBuilderMemberCollection.cs
浏览文件 @ 0e7b657b
......@@ -133,7 +133,7 @@ internal static bool TryCreate(SyntheticBoundNodeFactory F, MethodSymbol method,
createBuilderMethod: createBuilderMethod,
taskProperty: null,
setException: null, // unused
setResult: WellKnownMember.System_Runtime_CompilerServices_AsyncIteratorMethodBuilder__Complete,
setResult: WellKnownMember.System_Runtime_CompilerServices_AsyncIteratorMethodBuilder__Complete, // AsyncIteratorMethodBuilder.Complete is the corresponding method to AsyncTaskMethodBuilder.SetResult
awaitOnCompleted: WellKnownMember.System_Runtime_CompilerServices_AsyncIteratorMethodBuilder__AwaitOnCompleted,
awaitUnsafeOnCompleted: WellKnownMember.System_Runtime_CompilerServices_AsyncIteratorMethodBuilder__AwaitUnsafeOnCompleted,
start: WellKnownMember.System_Runtime_CompilerServices_AsyncIteratorMethodBuilder__MoveNext_T,
......
src/Compilers/CSharp/Portable/Lowering/AsyncRewriter/AsyncMethodToStateMachineRewriter.cs
浏览文件 @ 0e7b657b
......@@ -28,12 +28,12 @@ internal class AsyncMethodToStateMachineRewriter : MethodToStateMachineRewriter
/// <see cref="AsyncVoidMethodBuilder"/>, <see cref="AsyncTaskMethodBuilder"/>, or <see cref="AsyncTaskMethodBuilder{TResult}"/> depending on the
/// return type of the async method.
/// </summary>
private readonly FieldSymbol _asyncMethodBuilderField;
protected readonly FieldSymbol _asyncMethodBuilderField;
/// <summary>
/// A collection of well-known members for the current async method builder.
/// </summary>
private readonly AsyncMethodBuilderMemberCollection _asyncMethodBuilderMemberCollection;
protected readonly AsyncMethodBuilderMemberCollection _asyncMethodBuilderMemberCollection;
/// <summary>
/// The exprReturnLabel is used to label the return handling code at the end of the async state-machine
......
src/Compilers/CSharp/Portable/Lowering/AsyncRewriter/AsyncRewriter.AsyncIteratorRewriter.cs
浏览文件 @ 0e7b657b
......@@ -148,7 +148,7 @@ protected override void GenerateConstructor()
// {
// this.state = state;
// this.initialThreadId = {managedThreadId};
// this.builder = System.Runtime.CompilerServices.AsyncVoidMethodBuilder.Create();
// this.builder = System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Create();
// }
Debug.Assert(stateMachineType.Constructor is IteratorConstructor);
......@@ -164,23 +164,25 @@ protected override void GenerateConstructor()
bodyBuilder.Add(F.Assignment(F.InstanceField(initialThreadIdField), managedThreadId));
}
// this.builder = System.Runtime.CompilerServices.AsyncVoidMethodBuilder.Create();
AsyncMethodBuilderMemberCollection methodScopeAsyncMethodBuilderMemberCollection;
bool found = AsyncMethodBuilderMemberCollection.TryCreate(F, method, typeMap: null, out methodScopeAsyncMethodBuilderMemberCollection);
Debug.Assert(found);
bodyBuilder.Add(
F.Assignment(
F.InstanceField(_builderField),
F.StaticCall(
null,
methodScopeAsyncMethodBuilderMemberCollection.CreateBuilder)));
// this.builder = System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Create();
bodyBuilder.Add(GenerateCreateAndAssignBuilder());
bodyBuilder.Add(F.Return());
F.CloseMethod(F.Block(bodyBuilder.ToImmutableAndFree()));
bodyBuilder = null;
}
private BoundExpressionStatement GenerateCreateAndAssignBuilder()
{
// Produce:
// this.builder = System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Create();
return F.Assignment(
F.InstanceField(_builderField),
F.StaticCall(
null,
_asyncMethodBuilderMemberCollection.CreateBuilder));
}
protected override void InitializeStateMachine(ArrayBuilder<BoundStatement> bodyBuilder, NamedTypeSymbol frameType, LocalSymbol stateMachineLocal)
{
// var stateMachineLocal = new {StateMachineType}({initialState})
......@@ -632,10 +634,23 @@ private void GenerateIAsyncEnumerableImplementation_GetAsyncEnumerator()
GenerateIteratorGetEnumerator(IAsyncEnumerableOfElementType_GetEnumerator, ref managedThreadId, initialState: StateMachineStates.InitialAsyncIteratorStateMachine);
}
protected override BoundStatement GetExtraResetForIteratorGetEnumerator()
protected override void GenerateResetInstance(ArrayBuilder<BoundStatement> builder, int initialState)
{
// disposeMode = false;
return F.Assignment(F.InstanceField(_disposeModeField), F.Literal(false));
// this.state = {initialState};
// this.builder = System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Create();
// this.disposeMode = false;
builder.Add(
// this.state = {initialState};
F.Assignment(F.Field(F.This(), stateField), F.Literal(initialState)));
builder.Add(
// this.builder = System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Create();
GenerateCreateAndAssignBuilder());
builder.Add(
// disposeMode = false;
F.Assignment(F.InstanceField(_disposeModeField), F.Literal(false)));
}
protected override void GenerateMoveNext(SynthesizedImplementationMethod moveNextMethod)
......
src/Compilers/CSharp/Portable/Lowering/StateMachineRewriter/StateMachineRewriter.cs
浏览文件 @ 0e7b657b
......@@ -402,20 +402,12 @@ protected SynthesizedImplementationMethod GenerateIteratorGetEnumerator(MethodSy
managedThreadId = MakeCurrentThreadId();
var thenBuilder = ArrayBuilder<BoundStatement>.GetInstance(4);
thenBuilder.Add(
// this.state = {initialState};
F.Assignment(F.Field(F.This(), stateField), F.Literal(initialState)));
GenerateResetInstance(thenBuilder, initialState);
thenBuilder.Add(
// result = this;
F.Assignment(F.Local(resultVariable), F.This()));
var extraReset = GetExtraResetForIteratorGetEnumerator();
if (extraReset != null)
{
thenBuilder.Add(extraReset);
}
if (method.IsStatic || method.ThisParameter.Type.IsReferenceType)
{
// if this is a reference type, no need to copy it since it is not assignable
......@@ -473,6 +465,16 @@ protected SynthesizedImplementationMethod GenerateIteratorGetEnumerator(MethodSy
return getEnumerator;
}
/// <summary>
/// Generate logic to reset the current instance (rather than creating a new instance)
/// </summary>
protected virtual void GenerateResetInstance(ArrayBuilder<BoundStatement> builder, int initialState)
{
builder.Add(
// this.state = {initialState};
F.Assignment(F.Field(F.This(), stateField), F.Literal(initialState)));
}
protected virtual BoundStatement InitializeParameterField(MethodSymbol getEnumeratorMethod, ParameterSymbol parameter, BoundExpression resultParameter, BoundExpression parameterProxy)
{
Debug.Assert(!method.IsIterator || !method.IsAsync); // an override handles async-iterators
......@@ -481,12 +483,6 @@ protected virtual BoundStatement InitializeParameterField(MethodSymbol getEnumer
return F.Assignment(resultParameter, parameterProxy);
}
/// <summary>
/// Async-iterator methods use a GetAsyncEnumerator method just like the GetEnumerator of iterator methods.
/// But they need to do a bit more work (to reset the dispose mode).
/// </summary>
protected virtual BoundStatement GetExtraResetForIteratorGetEnumerator() => null;
/// <summary>
/// Returns true if either Thread.ManagedThreadId or Environment.CurrentManagedThreadId are available
/// </summary>
......
src/Compilers/CSharp/Test/Emit/CodeGen/CodeGenAsyncIteratorTests.cs
浏览文件 @ 0e7b657b
......@@ -163,7 +163,7 @@ public static async Task Main()
var v = CompileAndVerify(comp, expectedOutput: "hello world");
v.VerifyIL("C.<GetSplits>d__1.System.Runtime.CompilerServices.IAsyncStateMachine.MoveNext()", @"
{
// Code size 226 (0xe2)
// Code size 250 (0xfa)
.maxstack 3
.locals init (int V_0,
System.Exception V_1)
......@@ -180,7 +180,7 @@ .maxstack 3
IL_0010: ldarg.0
IL_0011: ldfld ""bool C.<GetSplits>d__1.<>w__disposeMode""
IL_0016: brfalse.s IL_001d
IL_0018: leave IL_00cb
IL_0018: leave IL_00d7
IL_001d: ldarg.0
IL_001e: ldc.i4.m1
IL_001f: dup
......@@ -252,11 +252,11 @@ .maxstack 3
IL_00a0: ldarg.0
IL_00a1: ldfld ""bool C.<GetSplits>d__1.<>w__disposeMode""
IL_00a6: brfalse.s IL_00aa
IL_00a8: leave.s IL_00cb
IL_00a8: leave.s IL_00d7
IL_00aa: ldarg.0
IL_00ab: ldc.i4.1
IL_00ac: stfld ""bool C.<GetSplits>d__1.<>w__disposeMode""
IL_00b1: leave.s IL_00cb
IL_00b1: leave.s IL_00d7
}
catch System.Exception
{
......@@ -269,18 +269,26 @@ .maxstack 3
IL_00c2: ldloc.1
IL_00c3: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetException(System.Exception)""
IL_00c8: nop
IL_00c9: leave.s IL_00e1
IL_00c9: ldarg.0
IL_00ca: ldflda ""System.Runtime.CompilerServices.AsyncIteratorMethodBuilder C.<GetSplits>d__1.<>t__builder""
IL_00cf: call ""void System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Complete()""
IL_00d4: nop
IL_00d5: leave.s IL_00f9
}
IL_00cb: ldarg.0
IL_00cc: ldc.i4.s -2
IL_00ce: stfld ""int C.<GetSplits>d__1.<>1__state""
IL_00d3: ldarg.0
IL_00d4: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<GetSplits>d__1.<>v__promiseOfValueOrEnd""
IL_00d9: ldc.i4.0
IL_00da: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetResult(bool)""
IL_00df: nop
IL_00e0: ret
IL_00e1: ret
IL_00d7: ldarg.0
IL_00d8: ldc.i4.s -2
IL_00da: stfld ""int C.<GetSplits>d__1.<>1__state""
IL_00df: ldarg.0
IL_00e0: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<GetSplits>d__1.<>v__promiseOfValueOrEnd""
IL_00e5: ldc.i4.0
IL_00e6: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetResult(bool)""
IL_00eb: nop
IL_00ec: ldarg.0
IL_00ed: ldflda ""System.Runtime.CompilerServices.AsyncIteratorMethodBuilder C.<GetSplits>d__1.<>t__builder""
IL_00f2: call ""void System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Complete()""
IL_00f7: nop
IL_00f8: ret
IL_00f9: ret
}");
}
......@@ -326,7 +334,7 @@ public static async Task Main()
var v = CompileAndVerify(comp, expectedOutput: "hello world!");
v.VerifyIL("C.<GetSplits>d__0.System.Runtime.CompilerServices.IAsyncStateMachine.MoveNext()", @"
{
// Code size 167 (0xa7)
// Code size 194 (0xc2)
.maxstack 3
.locals init (int V_0,
System.Exception V_1)
......@@ -342,89 +350,97 @@ .maxstack 3
IL_000e: br.s IL_0010
IL_0010: ldarg.0
IL_0011: ldfld ""bool C.<GetSplits>d__0.<>w__disposeMode""
IL_0016: brfalse.s IL_001a
IL_0018: leave.s IL_0090
IL_001a: ldarg.0
IL_001b: ldc.i4.m1
IL_001c: dup
IL_001d: stloc.0
IL_001e: stfld ""int C.<GetSplits>d__0.<>1__state""
IL_0023: nop
IL_0016: brfalse.s IL_001d
IL_0018: leave IL_009f
IL_001d: ldarg.0
IL_001e: ldc.i4.m1
IL_001f: dup
IL_0020: stloc.0
IL_0021: stfld ""int C.<GetSplits>d__0.<>1__state""
IL_0026: nop
.try
{
IL_0024: nop
IL_0025: nop
IL_0026: leave.s IL_0065
IL_0027: nop
IL_0028: nop
IL_0029: leave.s IL_0068
}
finally
{
IL_0028: ldloc.0
IL_0029: ldc.i4.m1
IL_002a: bne.un.s IL_0064
IL_002c: nop
IL_002b: ldloc.0
IL_002c: ldc.i4.m1
IL_002d: bne.un.s IL_0067
IL_002f: nop
.try
{
IL_002d: nop
IL_002e: ldstr ""hello ""
IL_0033: call ""void System.Console.Write(string)""
IL_0038: nop
IL_0039: nop
IL_003a: leave.s IL_004e
IL_0030: nop
IL_0031: ldstr ""hello ""
IL_0036: call ""void System.Console.Write(string)""
IL_003b: nop
IL_003c: nop
IL_003d: leave.s IL_0051
}
finally
{
IL_003c: ldloc.0
IL_003d: ldc.i4.m1
IL_003e: bne.un.s IL_004d
IL_0040: nop
IL_0041: ldstr ""world""
IL_0046: call ""void System.Console.Write(string)""
IL_004b: nop
IL_004c: nop
IL_004d: endfinally
IL_003f: ldloc.0
IL_0040: ldc.i4.m1
IL_0041: bne.un.s IL_0050
IL_0043: nop
IL_0044: ldstr ""world""
IL_0049: call ""void System.Console.Write(string)""
IL_004e: nop
IL_004f: nop
IL_0050: endfinally
}
IL_004e: ldarg.0
IL_004f: ldfld ""bool C.<GetSplits>d__0.<>w__disposeMode""
IL_0054: brfalse.s IL_0058
IL_0056: br.s IL_0064
IL_0058: ldstr ""!""
IL_005d: call ""void System.Console.Write(string)""
IL_0062: nop
IL_0063: nop
IL_0064: endfinally
IL_0051: ldarg.0
IL_0052: ldfld ""bool C.<GetSplits>d__0.<>w__disposeMode""
IL_0057: brfalse.s IL_005b
IL_0059: br.s IL_0067
IL_005b: ldstr ""!""
IL_0060: call ""void System.Console.Write(string)""
IL_0065: nop
IL_0066: nop
IL_0067: endfinally
}
IL_0065: ldarg.0
IL_0066: ldfld ""bool C.<GetSplits>d__0.<>w__disposeMode""
IL_006b: brfalse.s IL_006f
IL_006d: leave.s IL_0090
IL_006f: ldarg.0
IL_0070: ldc.i4.1
IL_0071: stfld ""bool C.<GetSplits>d__0.<>w__disposeMode""
IL_0076: leave.s IL_0090
IL_0068: ldarg.0
IL_0069: ldfld ""bool C.<GetSplits>d__0.<>w__disposeMode""
IL_006e: brfalse.s IL_0072
IL_0070: leave.s IL_009f
IL_0072: ldarg.0
IL_0073: ldc.i4.1
IL_0074: stfld ""bool C.<GetSplits>d__0.<>w__disposeMode""
IL_0079: leave.s IL_009f
}
catch System.Exception
{
IL_0078: stloc.1
IL_0079: ldarg.0
IL_007a: ldc.i4.s -2
IL_007c: stfld ""int C.<GetSplits>d__0.<>1__state""
IL_0081: ldarg.0
IL_0082: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<GetSplits>d__0.<>v__promiseOfValueOrEnd""
IL_0087: ldloc.1
IL_0088: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetException(System.Exception)""
IL_008d: nop
IL_008e: leave.s IL_00a6
IL_007b: stloc.1
IL_007c: ldarg.0
IL_007d: ldc.i4.s -2
IL_007f: stfld ""int C.<GetSplits>d__0.<>1__state""
IL_0084: ldarg.0
IL_0085: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<GetSplits>d__0.<>v__promiseOfValueOrEnd""
IL_008a: ldloc.1
IL_008b: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetException(System.Exception)""
IL_0090: nop
IL_0091: ldarg.0
IL_0092: ldflda ""System.Runtime.CompilerServices.AsyncIteratorMethodBuilder C.<GetSplits>d__0.<>t__builder""
IL_0097: call ""void System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Complete()""
IL_009c: nop
IL_009d: leave.s IL_00c1
}
IL_0090: ldarg.0
IL_0091: ldc.i4.s -2
IL_0093: stfld ""int C.<GetSplits>d__0.<>1__state""
IL_0098: ldarg.0
IL_0099: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<GetSplits>d__0.<>v__promiseOfValueOrEnd""
IL_009e: ldc.i4.0
IL_009f: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetResult(bool)""
IL_00a4: nop
IL_00a5: ret
IL_00a6: ret
IL_009f: ldarg.0
IL_00a0: ldc.i4.s -2
IL_00a2: stfld ""int C.<GetSplits>d__0.<>1__state""
IL_00a7: ldarg.0
IL_00a8: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<GetSplits>d__0.<>v__promiseOfValueOrEnd""
IL_00ad: ldc.i4.0
IL_00ae: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetResult(bool)""
IL_00b3: nop
IL_00b4: ldarg.0
IL_00b5: ldflda ""System.Runtime.CompilerServices.AsyncIteratorMethodBuilder C.<GetSplits>d__0.<>t__builder""
IL_00ba: call ""void System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Complete()""
IL_00bf: nop
IL_00c0: ret
IL_00c1: ret
}");
}
......@@ -2473,31 +2489,34 @@ .maxstack 2
");
verifier.VerifyIL("C.<M>d__0.System.Collections.Generic.IAsyncEnumerable<int>.GetAsyncEnumerator(System.Threading.CancellationToken)", @"
{
// Code size 52 (0x34)
// Code size 63 (0x3f)
.maxstack 2
.locals init (C.<M>d__0 V_0)
IL_0000: ldarg.0
IL_0001: ldfld ""int C.<M>d__0.<>1__state""
IL_0006: ldc.i4.s -2
IL_0008: bne.un.s IL_002a
IL_0008: bne.un.s IL_0035
IL_000a: ldarg.0
IL_000b: ldfld ""int C.<M>d__0.<>l__initialThreadId""
IL_0010: call ""int System.Environment.CurrentManagedThreadId.get""
IL_0015: bne.un.s IL_002a
IL_0015: bne.un.s IL_0035
IL_0017: ldarg.0
IL_0018: ldc.i4.s -3
IL_001a: stfld ""int C.<M>d__0.<>1__state""
IL_001f: ldarg.0
IL_0020: stloc.0
IL_0021: ldarg.0
IL_0022: ldc.i4.0
IL_0023: stfld ""bool C.<M>d__0.<>w__disposeMode""
IL_0028: br.s IL_0032
IL_002a: ldc.i4.s -3
IL_002c: newobj ""C.<M>d__0..ctor(int)""
IL_0031: stloc.0
IL_0032: ldloc.0
IL_0033: ret
IL_0020: call ""System.Runtime.CompilerServices.AsyncIteratorMethodBuilder System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Create()""
IL_0025: stfld ""System.Runtime.CompilerServices.AsyncIteratorMethodBuilder C.<M>d__0.<>t__builder""
IL_002a: ldarg.0
IL_002b: ldc.i4.0
IL_002c: stfld ""bool C.<M>d__0.<>w__disposeMode""
IL_0031: ldarg.0
IL_0032: stloc.0
IL_0033: br.s IL_003d
IL_0035: ldc.i4.s -3
IL_0037: newobj ""C.<M>d__0..ctor(int)""
IL_003c: stloc.0
IL_003d: ldloc.0
IL_003e: ret
}");
verifier.VerifyIL("C.<M>d__0.System.Threading.Tasks.Sources.IValueTaskSource<bool>.GetResult(short)", @"
{
......@@ -2542,7 +2561,7 @@ .maxstack 5
{
verifier.VerifyIL("C.<M>d__0.System.Runtime.CompilerServices.IAsyncStateMachine.MoveNext()",
@"{
// Code size 298 (0x12a)
// Code size 322 (0x142)
.maxstack 3
.locals init (int V_0,
System.Runtime.CompilerServices.TaskAwaiter V_1,
......@@ -2571,7 +2590,7 @@ .maxstack 3
IL_002f: ldarg.0
IL_0030: ldfld ""bool C.<M>d__0.<>w__disposeMode""
IL_0035: brfalse.s IL_003c
IL_0037: leave IL_0106
IL_0037: leave IL_0112
IL_003c: ldarg.0
IL_003d: ldc.i4.m1
IL_003e: dup
......@@ -2608,7 +2627,7 @@ .maxstack 3
IL_007f: ldloca.s V_2
IL_0081: call ""void System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.AwaitUnsafeOnCompleted<System.Runtime.CompilerServices.TaskAwaiter, C.<M>d__0>(ref System.Runtime.CompilerServices.TaskAwaiter, ref C.<M>d__0)""
IL_0086: nop
IL_0087: leave IL_0129
IL_0087: leave IL_0141
// async: resume
IL_008c: ldarg.0
IL_008d: ldfld ""System.Runtime.CompilerServices.TaskAwaiter C.<M>d__0.<>u__1""
......@@ -2637,7 +2656,7 @@ .maxstack 3
IL_00c5: dup
IL_00c6: stloc.0
IL_00c7: stfld ""int C.<M>d__0.<>1__state""
IL_00cc: leave.s IL_011c
IL_00cc: leave.s IL_0134
// sequence point: <hidden>
IL_00ce: ldarg.0
IL_00cf: ldc.i4.m1
......@@ -2647,12 +2666,12 @@ .maxstack 3
IL_00d7: ldarg.0
IL_00d8: ldfld ""bool C.<M>d__0.<>w__disposeMode""
IL_00dd: brfalse.s IL_00e1
IL_00df: leave.s IL_0106
IL_00df: leave.s IL_0112
// sequence point: Write("" 4 "");
IL_00e1: ldstr "" 4 ""
IL_00e6: call ""void System.Console.Write(string)""
IL_00eb: nop
IL_00ec: leave.s IL_0106
IL_00ec: leave.s IL_0112
}
catch System.Exception
{
......@@ -2666,32 +2685,40 @@ .maxstack 3
IL_00fd: ldloc.3
IL_00fe: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetException(System.Exception)""
IL_0103: nop
IL_0104: leave.s IL_0129
IL_0104: ldarg.0
IL_0105: ldflda ""System.Runtime.CompilerServices.AsyncIteratorMethodBuilder C.<M>d__0.<>t__builder""
IL_010a: call ""void System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Complete()""
IL_010f: nop
IL_0110: leave.s IL_0141
}
// sequence point: }
IL_0106: ldarg.0
IL_0107: ldc.i4.s -2
IL_0109: stfld ""int C.<M>d__0.<>1__state""
IL_0112: ldarg.0
IL_0113: ldc.i4.s -2
IL_0115: stfld ""int C.<M>d__0.<>1__state""
// sequence point: <hidden>
IL_010e: ldarg.0
IL_010f: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_0114: ldc.i4.0
IL_0115: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetResult(bool)""
IL_011a: nop
IL_011b: ret
IL_011c: ldarg.0
IL_011d: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_0122: ldc.i4.1
IL_0123: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetResult(bool)""
IL_0128: nop
IL_0129: ret
IL_011a: ldarg.0
IL_011b: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_0120: ldc.i4.0
IL_0121: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetResult(bool)""
IL_0126: nop
IL_0127: ldarg.0
IL_0128: ldflda ""System.Runtime.CompilerServices.AsyncIteratorMethodBuilder C.<M>d__0.<>t__builder""
IL_012d: call ""void System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Complete()""
IL_0132: nop
IL_0133: ret
IL_0134: ldarg.0
IL_0135: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_013a: ldc.i4.1
IL_013b: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetResult(bool)""
IL_0140: nop
IL_0141: ret
}", sequencePoints: "C+<M>d__0.MoveNext", source: source);
}
else
{
verifier.VerifyIL("C.<M>d__0.System.Runtime.CompilerServices.IAsyncStateMachine.MoveNext()", @"
{
// Code size 278 (0x116)
// Code size 300 (0x12c)
.maxstack 3
.locals init (int V_0,
System.Runtime.CompilerServices.TaskAwaiter V_1,
......@@ -2716,7 +2743,7 @@ .maxstack 3
IL_0024: ldarg.0
IL_0025: ldfld ""bool C.<M>d__0.<>w__disposeMode""
IL_002a: brfalse.s IL_0031
IL_002c: leave IL_00f4
IL_002c: leave IL_00ff
IL_0031: ldarg.0
IL_0032: ldc.i4.m1
IL_0033: dup
......@@ -2749,7 +2776,7 @@ .maxstack 3
IL_0070: ldloca.s V_1
IL_0072: ldloca.s V_2
IL_0074: call ""void System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.AwaitUnsafeOnCompleted<System.Runtime.CompilerServices.TaskAwaiter, C.<M>d__0>(ref System.Runtime.CompilerServices.TaskAwaiter, ref C.<M>d__0)""
IL_0079: leave IL_0115
IL_0079: leave IL_012b
// async: resume
IL_007e: ldarg.0
IL_007f: ldfld ""System.Runtime.CompilerServices.TaskAwaiter C.<M>d__0.<>u__1""
......@@ -2776,7 +2803,7 @@ .maxstack 3
IL_00b5: dup
IL_00b6: stloc.0
IL_00b7: stfld ""int C.<M>d__0.<>1__state""
IL_00bc: leave.s IL_0109
IL_00bc: leave.s IL_011f
// sequence point: <hidden>
IL_00be: ldarg.0
IL_00bf: ldc.i4.m1
......@@ -2786,11 +2813,11 @@ .maxstack 3
IL_00c7: ldarg.0
IL_00c8: ldfld ""bool C.<M>d__0.<>w__disposeMode""
IL_00cd: brfalse.s IL_00d1
IL_00cf: leave.s IL_00f4
IL_00cf: leave.s IL_00ff
// sequence point: Write("" 4 "");
IL_00d1: ldstr "" 4 ""
IL_00d6: call ""void System.Console.Write(string)""
IL_00db: leave.s IL_00f4
IL_00db: leave.s IL_00ff
}
catch System.Exception
{
......@@ -2803,23 +2830,29 @@ .maxstack 3
IL_00e7: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_00ec: ldloc.3
IL_00ed: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetException(System.Exception)""
IL_00f2: leave.s IL_0115
IL_00f2: ldarg.0
IL_00f3: ldflda ""System.Runtime.CompilerServices.AsyncIteratorMethodBuilder C.<M>d__0.<>t__builder""
IL_00f8: call ""void System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Complete()""
IL_00fd: leave.s IL_012b
}
// sequence point: }
IL_00f4: ldarg.0
IL_00f5: ldc.i4.s -2
IL_00f7: stfld ""int C.<M>d__0.<>1__state""
IL_00ff: ldarg.0
IL_0100: ldc.i4.s -2
IL_0102: stfld ""int C.<M>d__0.<>1__state""
// sequence point: <hidden>
IL_00fc: ldarg.0
IL_00fd: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_0102: ldc.i4.0
IL_0103: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetResult(bool)""
IL_0108: ret
IL_0109: ldarg.0
IL_010a: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_010f: ldc.i4.1
IL_0110: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetResult(bool)""
IL_0115: ret
IL_0107: ldarg.0
IL_0108: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_010d: ldc.i4.0
IL_010e: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetResult(bool)""
IL_0113: ldarg.0
IL_0114: ldflda ""System.Runtime.CompilerServices.AsyncIteratorMethodBuilder C.<M>d__0.<>t__builder""
IL_0119: call ""void System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Complete()""
IL_011e: ret
IL_011f: ldarg.0
IL_0120: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_0125: ldc.i4.1
IL_0126: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetResult(bool)""
IL_012b: ret
}", sequencePoints: "C+<M>d__0.MoveNext", source: source);
}
}
......@@ -2861,76 +2894,79 @@ static async System.Collections.Generic.IAsyncEnumerable<int> M([EnumeratorCance
// we generate initialization logic for the token parameter
verifier.VerifyIL("C.<M>d__0.System.Collections.Generic.IAsyncEnumerable<int>.GetAsyncEnumerator(System.Threading.CancellationToken)", @"
{
// Code size 165 (0xa5)
// Code size 176 (0xb0)
.maxstack 3
.locals init (C.<M>d__0 V_0,
System.Threading.CancellationToken V_1)
IL_0000: ldarg.0
IL_0001: ldfld ""int C.<M>d__0.<>1__state""
IL_0006: ldc.i4.s -2
IL_0008: bne.un.s IL_002a
IL_0008: bne.un.s IL_0035
IL_000a: ldarg.0
IL_000b: ldfld ""int C.<M>d__0.<>l__initialThreadId""
IL_0010: call ""int System.Environment.CurrentManagedThreadId.get""
IL_0015: bne.un.s IL_002a
IL_0015: bne.un.s IL_0035
IL_0017: ldarg.0
IL_0018: ldc.i4.s -3
IL_001a: stfld ""int C.<M>d__0.<>1__state""
IL_001f: ldarg.0
IL_0020: stloc.0
IL_0021: ldarg.0
IL_0022: ldc.i4.0
IL_0023: stfld ""bool C.<M>d__0.<>w__disposeMode""
IL_0028: br.s IL_0032
IL_002a: ldc.i4.s -3
IL_002c: newobj ""C.<M>d__0..ctor(int)""
IL_0031: stloc.0
IL_0032: ldarg.0
IL_0033: ldflda ""System.Threading.CancellationToken C.<M>d__0.<>3__token""
IL_0038: ldloca.s V_1
IL_003a: initobj ""System.Threading.CancellationToken""
IL_0040: ldloc.1
IL_0041: call ""bool System.Threading.CancellationToken.Equals(System.Threading.CancellationToken)""
IL_0046: brfalse.s IL_0051
IL_0048: ldloc.0
IL_0049: ldarg.1
IL_004a: stfld ""System.Threading.CancellationToken C.<M>d__0.token""
IL_004f: br.s IL_00a3
IL_0051: ldarga.s V_1
IL_0053: ldarg.0
IL_0054: ldfld ""System.Threading.CancellationToken C.<M>d__0.<>3__token""
IL_0059: call ""bool System.Threading.CancellationToken.Equals(System.Threading.CancellationToken)""
IL_005e: brtrue.s IL_0072
IL_0060: ldarga.s V_1
IL_0062: ldloca.s V_1
IL_0064: initobj ""System.Threading.CancellationToken""
IL_006a: ldloc.1
IL_006b: call ""bool System.Threading.CancellationToken.Equals(System.Threading.CancellationToken)""
IL_0070: brfalse.s IL_0080
IL_0072: ldloc.0
IL_0073: ldarg.0
IL_0074: ldfld ""System.Threading.CancellationToken C.<M>d__0.<>3__token""
IL_0079: stfld ""System.Threading.CancellationToken C.<M>d__0.token""
IL_007e: br.s IL_00a3
IL_0080: ldarg.0
IL_0081: ldarg.0
IL_0082: ldfld ""System.Threading.CancellationToken C.<M>d__0.<>3__token""
IL_0087: ldarg.1
IL_0088: call ""System.Threading.CancellationTokenSource System.Threading.CancellationTokenSource.CreateLinkedTokenSource(System.Threading.CancellationToken, System.Threading.CancellationToken)""
IL_008d: stfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_0092: ldloc.0
IL_0093: ldarg.0
IL_0094: ldfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_0099: callvirt ""System.Threading.CancellationToken System.Threading.CancellationTokenSource.Token.get""
IL_009e: stfld ""System.Threading.CancellationToken C.<M>d__0.token""
IL_00a3: ldloc.0
IL_00a4: ret
IL_0020: call ""System.Runtime.CompilerServices.AsyncIteratorMethodBuilder System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Create()""
IL_0025: stfld ""System.Runtime.CompilerServices.AsyncIteratorMethodBuilder C.<M>d__0.<>t__builder""
IL_002a: ldarg.0
IL_002b: ldc.i4.0
IL_002c: stfld ""bool C.<M>d__0.<>w__disposeMode""
IL_0031: ldarg.0
IL_0032: stloc.0
IL_0033: br.s IL_003d
IL_0035: ldc.i4.s -3
IL_0037: newobj ""C.<M>d__0..ctor(int)""
IL_003c: stloc.0
IL_003d: ldarg.0
IL_003e: ldflda ""System.Threading.CancellationToken C.<M>d__0.<>3__token""
IL_0043: ldloca.s V_1
IL_0045: initobj ""System.Threading.CancellationToken""
IL_004b: ldloc.1
IL_004c: call ""bool System.Threading.CancellationToken.Equals(System.Threading.CancellationToken)""
IL_0051: brfalse.s IL_005c
IL_0053: ldloc.0
IL_0054: ldarg.1
IL_0055: stfld ""System.Threading.CancellationToken C.<M>d__0.token""
IL_005a: br.s IL_00ae
IL_005c: ldarga.s V_1
IL_005e: ldarg.0
IL_005f: ldfld ""System.Threading.CancellationToken C.<M>d__0.<>3__token""
IL_0064: call ""bool System.Threading.CancellationToken.Equals(System.Threading.CancellationToken)""
IL_0069: brtrue.s IL_007d
IL_006b: ldarga.s V_1
IL_006d: ldloca.s V_1
IL_006f: initobj ""System.Threading.CancellationToken""
IL_0075: ldloc.1
IL_0076: call ""bool System.Threading.CancellationToken.Equals(System.Threading.CancellationToken)""
IL_007b: brfalse.s IL_008b
IL_007d: ldloc.0
IL_007e: ldarg.0
IL_007f: ldfld ""System.Threading.CancellationToken C.<M>d__0.<>3__token""
IL_0084: stfld ""System.Threading.CancellationToken C.<M>d__0.token""
IL_0089: br.s IL_00ae
IL_008b: ldarg.0
IL_008c: ldarg.0
IL_008d: ldfld ""System.Threading.CancellationToken C.<M>d__0.<>3__token""
IL_0092: ldarg.1
IL_0093: call ""System.Threading.CancellationTokenSource System.Threading.CancellationTokenSource.CreateLinkedTokenSource(System.Threading.CancellationToken, System.Threading.CancellationToken)""
IL_0098: stfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_009d: ldloc.0
IL_009e: ldarg.0
IL_009f: ldfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_00a4: callvirt ""System.Threading.CancellationToken System.Threading.CancellationTokenSource.Token.get""
IL_00a9: stfld ""System.Threading.CancellationToken C.<M>d__0.token""
IL_00ae: ldloc.0
IL_00af: ret
}");
// we generate disposal logic for the combinedTokens field
verifier.VerifyIL("C.<M>d__0.System.Runtime.CompilerServices.IAsyncStateMachine.MoveNext()", @"
{
// Code size 304 (0x130)
// Code size 329 (0x149)
.maxstack 3
.locals init (int V_0,
System.Runtime.CompilerServices.TaskAwaiter V_1,
......@@ -2947,7 +2983,7 @@ .maxstack 3
IL_0008: ldc.i4.s -4
IL_000a: sub
IL_000b: switch (
IL_00b1,
IL_00b4,
IL_0024,
IL_0024,
IL_0024,
......@@ -2955,7 +2991,7 @@ .maxstack 3
IL_0024: ldarg.0
IL_0025: ldfld ""bool C.<M>d__0.<>w__disposeMode""
IL_002a: brfalse.s IL_0031
IL_002c: leave IL_00f4
IL_002c: leave IL_0102
IL_0031: ldarg.0
IL_0032: ldc.i4.m1
IL_0033: dup
......@@ -2989,7 +3025,7 @@ .maxstack 3
IL_006d: ldloca.s V_1
IL_006f: ldloca.s V_2
IL_0071: call ""void System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.AwaitUnsafeOnCompleted<System.Runtime.CompilerServices.TaskAwaiter, C.<M>d__0>(ref System.Runtime.CompilerServices.TaskAwaiter, ref C.<M>d__0)""
IL_0076: leave IL_012f
IL_0076: leave IL_0148
// async: resume
IL_007b: ldarg.0
IL_007c: ldfld ""System.Runtime.CompilerServices.TaskAwaiter C.<M>d__0.<>u__1""
......@@ -3013,65 +3049,71 @@ .maxstack 3
IL_00a8: dup
IL_00a9: stloc.0
IL_00aa: stfld ""int C.<M>d__0.<>1__state""
IL_00af: leave.s IL_0123
IL_00af: leave IL_013c
// sequence point: <hidden>
IL_00b1: ldarg.0
IL_00b2: ldc.i4.m1
IL_00b3: dup
IL_00b4: stloc.0
IL_00b5: stfld ""int C.<M>d__0.<>1__state""
IL_00ba: ldarg.0
IL_00bb: ldfld ""bool C.<M>d__0.<>w__disposeMode""
IL_00c0: pop
IL_00b4: ldarg.0
IL_00b5: ldc.i4.m1
IL_00b6: dup
IL_00b7: stloc.0
IL_00b8: stfld ""int C.<M>d__0.<>1__state""
IL_00bd: ldarg.0
IL_00be: ldfld ""bool C.<M>d__0.<>w__disposeMode""
IL_00c3: pop
// sequence point: <hidden>
IL_00c1: leave.s IL_00f4
IL_00c4: leave.s IL_0102
}
catch System.Exception
{
// sequence point: <hidden>
IL_00c3: stloc.3
IL_00c4: ldarg.0
IL_00c5: ldc.i4.s -2
IL_00c7: stfld ""int C.<M>d__0.<>1__state""
IL_00cc: ldarg.0
IL_00cd: ldfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_00d2: brfalse.s IL_00e6
IL_00d4: ldarg.0
IL_00d5: ldfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_00da: callvirt ""void System.Threading.CancellationTokenSource.Dispose()""
IL_00df: ldarg.0
IL_00e0: ldnull
IL_00e1: stfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_00e6: ldarg.0
IL_00e7: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_00ec: ldloc.3
IL_00ed: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetException(System.Exception)""
IL_00f2: leave.s IL_012f
IL_00c6: stloc.3
IL_00c7: ldarg.0
IL_00c8: ldc.i4.s -2
IL_00ca: stfld ""int C.<M>d__0.<>1__state""
IL_00cf: ldarg.0
IL_00d0: ldfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_00d5: brfalse.s IL_00e9
IL_00d7: ldarg.0
IL_00d8: ldfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_00dd: callvirt ""void System.Threading.CancellationTokenSource.Dispose()""
IL_00e2: ldarg.0
IL_00e3: ldnull
IL_00e4: stfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_00e9: ldarg.0
IL_00ea: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_00ef: ldloc.3
IL_00f0: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetException(System.Exception)""
IL_00f5: ldarg.0
IL_00f6: ldflda ""System.Runtime.CompilerServices.AsyncIteratorMethodBuilder C.<M>d__0.<>t__builder""
IL_00fb: call ""void System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Complete()""
IL_0100: leave.s IL_0148
}
// sequence point: }
IL_00f4: ldarg.0
IL_00f5: ldc.i4.s -2
IL_00f7: stfld ""int C.<M>d__0.<>1__state""
IL_0102: ldarg.0
IL_0103: ldc.i4.s -2
IL_0105: stfld ""int C.<M>d__0.<>1__state""
// sequence point: <hidden>
IL_00fc: ldarg.0
IL_00fd: ldfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_0102: brfalse.s IL_0116
IL_0104: ldarg.0
IL_0105: ldfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_010a: callvirt ""void System.Threading.CancellationTokenSource.Dispose()""
IL_010f: ldarg.0
IL_0110: ldnull
IL_0111: stfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_0116: ldarg.0
IL_0117: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_011c: ldc.i4.0
IL_011d: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetResult(bool)""
IL_0122: ret
IL_0123: ldarg.0
IL_0124: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_0129: ldc.i4.1
IL_012a: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetResult(bool)""
IL_012f: ret
IL_010a: ldarg.0
IL_010b: ldfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_0110: brfalse.s IL_0124
IL_0112: ldarg.0
IL_0113: ldfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_0118: callvirt ""void System.Threading.CancellationTokenSource.Dispose()""
IL_011d: ldarg.0
IL_011e: ldnull
IL_011f: stfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_0124: ldarg.0
IL_0125: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_012a: ldc.i4.0
IL_012b: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetResult(bool)""
IL_0130: ldarg.0
IL_0131: ldflda ""System.Runtime.CompilerServices.AsyncIteratorMethodBuilder C.<M>d__0.<>t__builder""
IL_0136: call ""void System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Complete()""
IL_013b: ret
IL_013c: ldarg.0
IL_013d: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_0142: ldc.i4.1
IL_0143: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetResult(bool)""
IL_0148: ret
}", sequencePoints: "C+<M>d__0.MoveNext", source: source);
}
......@@ -3108,37 +3150,40 @@ static async System.Collections.Generic.IAsyncEnumerable<int> M([EnumeratorCance
// we don't generate initialization logic
verifier.VerifyIL("C.<M>d__0.System.Collections.Generic.IAsyncEnumerable<int>.GetAsyncEnumerator(System.Threading.CancellationToken)", @"
{
// Code size 52 (0x34)
// Code size 63 (0x3f)
.maxstack 2
.locals init (C.<M>d__0 V_0)
IL_0000: ldarg.0
IL_0001: ldfld ""int C.<M>d__0.<>1__state""
IL_0006: ldc.i4.s -2
IL_0008: bne.un.s IL_002a
IL_0008: bne.un.s IL_0035
IL_000a: ldarg.0
IL_000b: ldfld ""int C.<M>d__0.<>l__initialThreadId""
IL_0010: call ""int System.Environment.CurrentManagedThreadId.get""
IL_0015: bne.un.s IL_002a
IL_0015: bne.un.s IL_0035
IL_0017: ldarg.0
IL_0018: ldc.i4.s -3
IL_001a: stfld ""int C.<M>d__0.<>1__state""
IL_001f: ldarg.0
IL_0020: stloc.0
IL_0021: ldarg.0
IL_0022: ldc.i4.0
IL_0023: stfld ""bool C.<M>d__0.<>w__disposeMode""
IL_0028: br.s IL_0032
IL_002a: ldc.i4.s -3
IL_002c: newobj ""C.<M>d__0..ctor(int)""
IL_0031: stloc.0
IL_0032: ldloc.0
IL_0033: ret
IL_0020: call ""System.Runtime.CompilerServices.AsyncIteratorMethodBuilder System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Create()""
IL_0025: stfld ""System.Runtime.CompilerServices.AsyncIteratorMethodBuilder C.<M>d__0.<>t__builder""
IL_002a: ldarg.0
IL_002b: ldc.i4.0
IL_002c: stfld ""bool C.<M>d__0.<>w__disposeMode""
IL_0031: ldarg.0
IL_0032: stloc.0
IL_0033: br.s IL_003d
IL_0035: ldc.i4.s -3
IL_0037: newobj ""C.<M>d__0..ctor(int)""
IL_003c: stloc.0
IL_003d: ldloc.0
IL_003e: ret
}");
// we generate disposal logic for the combinedTokens field
verifier.VerifyIL("C.<M>d__0.System.Runtime.CompilerServices.IAsyncStateMachine.MoveNext()", @"
{
// Code size 297 (0x129)
// Code size 322 (0x142)
.maxstack 3
.locals init (int V_0,
System.Runtime.CompilerServices.TaskAwaiter V_1,
......@@ -3155,7 +3200,7 @@ .maxstack 3
IL_0008: ldc.i4.s -4
IL_000a: sub
IL_000b: switch (
IL_00aa,
IL_00ad,
IL_0024,
IL_0024,
IL_0024,
......@@ -3163,7 +3208,7 @@ .maxstack 3
IL_0024: ldarg.0
IL_0025: ldfld ""bool C.<M>d__0.<>w__disposeMode""
IL_002a: brfalse.s IL_0031
IL_002c: leave IL_00ed
IL_002c: leave IL_00fb
IL_0031: ldarg.0
IL_0032: ldc.i4.m1
IL_0033: dup
......@@ -3193,7 +3238,7 @@ .maxstack 3
IL_0066: ldloca.s V_1
IL_0068: ldloca.s V_2
IL_006a: call ""void System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.AwaitUnsafeOnCompleted<System.Runtime.CompilerServices.TaskAwaiter, C.<M>d__0>(ref System.Runtime.CompilerServices.TaskAwaiter, ref C.<M>d__0)""
IL_006f: leave IL_0128
IL_006f: leave IL_0141
// async: resume
IL_0074: ldarg.0
IL_0075: ldfld ""System.Runtime.CompilerServices.TaskAwaiter C.<M>d__0.<>u__1""
......@@ -3217,65 +3262,71 @@ .maxstack 3
IL_00a1: dup
IL_00a2: stloc.0
IL_00a3: stfld ""int C.<M>d__0.<>1__state""
IL_00a8: leave.s IL_011c
IL_00a8: leave IL_0135
// sequence point: <hidden>
IL_00aa: ldarg.0
IL_00ab: ldc.i4.m1
IL_00ac: dup
IL_00ad: stloc.0
IL_00ae: stfld ""int C.<M>d__0.<>1__state""
IL_00b3: ldarg.0
IL_00b4: ldfld ""bool C.<M>d__0.<>w__disposeMode""
IL_00b9: pop
IL_00ad: ldarg.0
IL_00ae: ldc.i4.m1
IL_00af: dup
IL_00b0: stloc.0
IL_00b1: stfld ""int C.<M>d__0.<>1__state""
IL_00b6: ldarg.0
IL_00b7: ldfld ""bool C.<M>d__0.<>w__disposeMode""
IL_00bc: pop
// sequence point: <hidden>
IL_00ba: leave.s IL_00ed
IL_00bd: leave.s IL_00fb
}
catch System.Exception
{
// sequence point: <hidden>
IL_00bc: stloc.3
IL_00bd: ldarg.0
IL_00be: ldc.i4.s -2
IL_00c0: stfld ""int C.<M>d__0.<>1__state""
IL_00c5: ldarg.0
IL_00c6: ldfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_00cb: brfalse.s IL_00df
IL_00cd: ldarg.0
IL_00ce: ldfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_00d3: callvirt ""void System.Threading.CancellationTokenSource.Dispose()""
IL_00d8: ldarg.0
IL_00d9: ldnull
IL_00da: stfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_00df: ldarg.0
IL_00e0: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_00e5: ldloc.3
IL_00e6: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetException(System.Exception)""
IL_00eb: leave.s IL_0128
IL_00bf: stloc.3
IL_00c0: ldarg.0
IL_00c1: ldc.i4.s -2
IL_00c3: stfld ""int C.<M>d__0.<>1__state""
IL_00c8: ldarg.0
IL_00c9: ldfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_00ce: brfalse.s IL_00e2
IL_00d0: ldarg.0
IL_00d1: ldfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_00d6: callvirt ""void System.Threading.CancellationTokenSource.Dispose()""
IL_00db: ldarg.0
IL_00dc: ldnull
IL_00dd: stfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_00e2: ldarg.0
IL_00e3: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_00e8: ldloc.3
IL_00e9: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetException(System.Exception)""
IL_00ee: ldarg.0
IL_00ef: ldflda ""System.Runtime.CompilerServices.AsyncIteratorMethodBuilder C.<M>d__0.<>t__builder""
IL_00f4: call ""void System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Complete()""
IL_00f9: leave.s IL_0141
}
// sequence point: }
IL_00ed: ldarg.0
IL_00ee: ldc.i4.s -2
IL_00f0: stfld ""int C.<M>d__0.<>1__state""
IL_00fb: ldarg.0
IL_00fc: ldc.i4.s -2
IL_00fe: stfld ""int C.<M>d__0.<>1__state""
// sequence point: <hidden>
IL_00f5: ldarg.0
IL_00f6: ldfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_00fb: brfalse.s IL_010f
IL_00fd: ldarg.0
IL_00fe: ldfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_0103: callvirt ""void System.Threading.CancellationTokenSource.Dispose()""
IL_0108: ldarg.0
IL_0109: ldnull
IL_010a: stfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_010f: ldarg.0
IL_0110: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_0115: ldc.i4.0
IL_0116: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetResult(bool)""
IL_011b: ret
IL_011c: ldarg.0
IL_011d: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_0122: ldc.i4.1
IL_0123: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetResult(bool)""
IL_0128: ret
IL_0103: ldarg.0
IL_0104: ldfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_0109: brfalse.s IL_011d
IL_010b: ldarg.0
IL_010c: ldfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_0111: callvirt ""void System.Threading.CancellationTokenSource.Dispose()""
IL_0116: ldarg.0
IL_0117: ldnull
IL_0118: stfld ""System.Threading.CancellationTokenSource C.<M>d__0.<>x__combinedTokens""
IL_011d: ldarg.0
IL_011e: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_0123: ldc.i4.0
IL_0124: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetResult(bool)""
IL_0129: ldarg.0
IL_012a: ldflda ""System.Runtime.CompilerServices.AsyncIteratorMethodBuilder C.<M>d__0.<>t__builder""
IL_012f: call ""void System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Complete()""
IL_0134: ret
IL_0135: ldarg.0
IL_0136: ldflda ""System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool> C.<M>d__0.<>v__promiseOfValueOrEnd""
IL_013b: ldc.i4.1
IL_013c: call ""void System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore<bool>.SetResult(bool)""
IL_0141: ret
}", sequencePoints: "C+<M>d__0.MoveNext", source: source);
}
......@@ -3289,20 +3340,6 @@ private static void VerifyStateMachineFields(CSharpCompilation comp, string meth
AssertEx.SetEqual(expectedFields, fields);
}
private void ValidateStateMachineFields(ModuleSymbol module, string methodName, string[] expected)
{
var method = module.GlobalNamespace.GetMember<MethodSymbol>(methodName);
AssertEx.SetEqual(new[] { "AsyncIteratorStateMachineAttribute" },
GetAttributeNames(method.GetAttributes()));
var attribute = method.GetAttributes().Single();
var argument = attribute.ConstructorArguments.Single();
var stateMachineType = (ITypeSymbol)argument.Value;
Assert.Equal("C.<M>d__0", stateMachineType.ToTestDisplayString());
AssertEx.SetEqual(expected, stateMachineType.GetMembers().Where(m => m.Kind == SymbolKind.Field).Select(m => m.ToTestDisplayString()));
}
[Fact]
public void AsyncIteratorWithGenericReturn()
{
......@@ -6179,78 +6216,81 @@ static async System.Collections.Generic.IAsyncEnumerable<int> Iter(int value, [E
// GetAsyncEnumerator's token parameter is used directly, since the argument token is default
verifier.VerifyIL("C.<Iter>d__1.System.Collections.Generic.IAsyncEnumerable<int>.GetAsyncEnumerator(System.Threading.CancellationToken)", @"
{
// Code size 189 (0xbd)
// Code size 200 (0xc8)
.maxstack 3
.locals init (C.<Iter>d__1 V_0,
System.Threading.CancellationToken V_1)
IL_0000: ldarg.0
IL_0001: ldfld ""int C.<Iter>d__1.<>1__state""
IL_0006: ldc.i4.s -2
IL_0008: bne.un.s IL_002a
IL_0008: bne.un.s IL_0035
IL_000a: ldarg.0
IL_000b: ldfld ""int C.<Iter>d__1.<>l__initialThreadId""
IL_0010: call ""int System.Environment.CurrentManagedThreadId.get""
IL_0015: bne.un.s IL_002a
IL_0015: bne.un.s IL_0035
IL_0017: ldarg.0
IL_0018: ldc.i4.s -3
IL_001a: stfld ""int C.<Iter>d__1.<>1__state""
IL_001f: ldarg.0
IL_0020: stloc.0
IL_0021: ldarg.0
IL_0022: ldc.i4.0
IL_0023: stfld ""bool C.<Iter>d__1.<>w__disposeMode""
IL_0028: br.s IL_0032
IL_002a: ldc.i4.s -3
IL_002c: newobj ""C.<Iter>d__1..ctor(int)""
IL_0031: stloc.0
IL_0032: ldloc.0
IL_0033: ldarg.0
IL_0034: ldfld ""int C.<Iter>d__1.<>3__value""
IL_0039: stfld ""int C.<Iter>d__1.value""
IL_0020: call ""System.Runtime.CompilerServices.AsyncIteratorMethodBuilder System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.Create()""
IL_0025: stfld ""System.Runtime.CompilerServices.AsyncIteratorMethodBuilder C.<Iter>d__1.<>t__builder""
IL_002a: ldarg.0
IL_002b: ldc.i4.0
IL_002c: stfld ""bool C.<Iter>d__1.<>w__disposeMode""
IL_0031: ldarg.0
IL_0032: stloc.0
IL_0033: br.s IL_003d
IL_0035: ldc.i4.s -3
IL_0037: newobj ""C.<Iter>d__1..ctor(int)""
IL_003c: stloc.0
IL_003d: ldloc.0
IL_003e: ldarg.0
IL_003f: ldflda ""System.Threading.CancellationToken C.<Iter>d__1.<>3__token1""
IL_0044: ldloca.s V_1
IL_0046: initobj ""System.Threading.CancellationToken""
IL_004c: ldloc.1
IL_004d: call ""bool System.Threading.CancellationToken.Equals(System.Threading.CancellationToken)""
IL_0052: brfalse.s IL_005d
IL_0054: ldloc.0
IL_0055: ldarg.1
IL_0056: stfld ""System.Threading.CancellationToken C.<Iter>d__1.token1""
IL_005b: br.s IL_00af
IL_005d: ldarga.s V_1
IL_005f: ldarg.0
IL_0060: ldfld ""System.Threading.CancellationToken C.<Iter>d__1.<>3__token1""
IL_0065: call ""bool System.Threading.CancellationToken.Equals(System.Threading.CancellationToken)""
IL_006a: brtrue.s IL_007e
IL_006c: ldarga.s V_1
IL_006e: ldloca.s V_1
IL_0070: initobj ""System.Threading.CancellationToken""
IL_0076: ldloc.1
IL_0077: call ""bool System.Threading.CancellationToken.Equals(System.Threading.CancellationToken)""
IL_007c: brfalse.s IL_008c
IL_007e: ldloc.0
IL_007f: ldarg.0
IL_0080: ldfld ""System.Threading.CancellationToken C.<Iter>d__1.<>3__token1""
IL_0085: stfld ""System.Threading.CancellationToken C.<Iter>d__1.token1""
IL_008a: br.s IL_00af
IL_008c: ldarg.0
IL_008d: ldarg.0
IL_008e: ldfld ""System.Threading.CancellationToken C.<Iter>d__1.<>3__token1""
IL_0093: ldarg.1
IL_0094: call ""System.Threading.CancellationTokenSource System.Threading.CancellationTokenSource.CreateLinkedTokenSource(System.Threading.CancellationToken, System.Threading.CancellationToken)""
IL_0099: stfld ""System.Threading.CancellationTokenSource C.<Iter>d__1.<>x__combinedTokens""
IL_009e: ldloc.0
IL_009f: ldarg.0
IL_00a0: ldfld ""System.Threading.CancellationTokenSource C.<Iter>d__1.<>x__combinedTokens""
IL_00a5: callvirt ""System.Threading.CancellationToken System.Threading.CancellationTokenSource.Token.get""
IL_00aa: stfld ""System.Threading.CancellationToken C.<Iter>d__1.token1""
IL_00af: ldloc.0
IL_00b0: ldarg.0
IL_00b1: ldfld ""System.Threading.CancellationToken C.<Iter>d__1.<>3__origToken""
IL_00b6: stfld ""System.Threading.CancellationToken C.<Iter>d__1.origToken""
IL_00bb: ldloc.0
IL_00bc: ret
IL_003f: ldfld ""int C.<Iter>d__1.<>3__value""
IL_0044: stfld ""int C.<Iter>d__1.value""
IL_0049: ldarg.0
IL_004a: ldflda ""System.Threading.CancellationToken C.<Iter>d__1.<>3__token1""
IL_004f: ldloca.s V_1
IL_0051: initobj ""System.Threading.CancellationToken""
IL_0057: ldloc.1
IL_0058: call ""bool System.Threading.CancellationToken.Equals(System.Threading.CancellationToken)""
IL_005d: brfalse.s IL_0068
IL_005f: ldloc.0
IL_0060: ldarg.1
IL_0061: stfld ""System.Threading.CancellationToken C.<Iter>d__1.token1""
IL_0066: br.s IL_00ba
IL_0068: ldarga.s V_1
IL_006a: ldarg.0
IL_006b: ldfld ""System.Threading.CancellationToken C.<Iter>d__1.<>3__token1""
IL_0070: call ""bool System.Threading.CancellationToken.Equals(System.Threading.CancellationToken)""
IL_0075: brtrue.s IL_0089
IL_0077: ldarga.s V_1
IL_0079: ldloca.s V_1
IL_007b: initobj ""System.Threading.CancellationToken""
IL_0081: ldloc.1
IL_0082: call ""bool System.Threading.CancellationToken.Equals(System.Threading.CancellationToken)""
IL_0087: brfalse.s IL_0097
IL_0089: ldloc.0
IL_008a: ldarg.0
IL_008b: ldfld ""System.Threading.CancellationToken C.<Iter>d__1.<>3__token1""
IL_0090: stfld ""System.Threading.CancellationToken C.<Iter>d__1.token1""
IL_0095: br.s IL_00ba
IL_0097: ldarg.0
IL_0098: ldarg.0
IL_0099: ldfld ""System.Threading.CancellationToken C.<Iter>d__1.<>3__token1""
IL_009e: ldarg.1
IL_009f: call ""System.Threading.CancellationTokenSource System.Threading.CancellationTokenSource.CreateLinkedTokenSource(System.Threading.CancellationToken, System.Threading.CancellationToken)""
IL_00a4: stfld ""System.Threading.CancellationTokenSource C.<Iter>d__1.<>x__combinedTokens""
IL_00a9: ldloc.0
IL_00aa: ldarg.0
IL_00ab: ldfld ""System.Threading.CancellationTokenSource C.<Iter>d__1.<>x__combinedTokens""
IL_00b0: callvirt ""System.Threading.CancellationToken System.Threading.CancellationTokenSource.Token.get""
IL_00b5: stfld ""System.Threading.CancellationToken C.<Iter>d__1.token1""
IL_00ba: ldloc.0
IL_00bb: ldarg.0
IL_00bc: ldfld ""System.Threading.CancellationToken C.<Iter>d__1.<>3__origToken""
IL_00c1: stfld ""System.Threading.CancellationToken C.<Iter>d__1.origToken""
IL_00c6: ldloc.0
IL_00c7: ret
}
");
}
......
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