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C# ILBuilder.GetIteratorScopes方法代码示例

本文整理汇总了C#中Microsoft.CodeAnalysis.CodeGen.ILBuilder.GetIteratorScopes方法的典型用法代码示例。如果您正苦于以下问题:C# ILBuilder.GetIteratorScopes方法的具体用法?C# ILBuilder.GetIteratorScopes怎么用?C# ILBuilder.GetIteratorScopes使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Microsoft.CodeAnalysis.CodeGen.ILBuilder的用法示例。


在下文中一共展示了ILBuilder.GetIteratorScopes方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: GenerateMethodBody

        internal static MethodBody GenerateMethodBody(TypeCompilationState compilationState, MethodSymbol method, BoundStatement block, DiagnosticBag diagnostics,
            bool optimize, DebugDocumentProvider debugDocumentProvider, ImmutableArray<NamespaceScope> namespaceScopes)
        {
            // Note: don't call diagnostics.HasAnyErrors() in release; could be expensive if compilation has many warnings.
            Debug.Assert(!diagnostics.HasAnyErrors(), "Running code generator when errors exist might be dangerous; code generator not well hardened");

            bool emitSequencePoints = !namespaceScopes.IsDefault && !method.IsAsync;
            var module = compilationState.ModuleBuilder;
            var compilation = module.Compilation;
            var localSlotManager = module.CreateLocalSlotManager(method);

            ILBuilder builder = new ILBuilder(module, localSlotManager, optimize);
            DiagnosticBag diagnosticsForThisMethod = DiagnosticBag.GetInstance();
            try
            {
                AsyncMethodBodyDebugInfo asyncDebugInfo = null;
                if ((object)method.AsyncKickoffMethod == null) // is this the MoveNext of an async method?
                {
                    CodeGen.CodeGenerator.Run(
                        method, block, builder, module, diagnosticsForThisMethod, optimize, emitSequencePoints);
                }
                else
                {
                    int asyncCatchHandlerOffset;
                    ImmutableArray<int> asyncYieldPoints;
                    ImmutableArray<int> asyncResumePoints;
                    CodeGen.CodeGenerator.Run(
                        method, block, builder, module, diagnosticsForThisMethod, optimize, emitSequencePoints,
                        out asyncCatchHandlerOffset, out asyncYieldPoints, out asyncResumePoints);
                    asyncDebugInfo = new AsyncMethodBodyDebugInfo(method.AsyncKickoffMethod, asyncCatchHandlerOffset, asyncYieldPoints, asyncResumePoints);
                }

                var localVariables = builder.LocalSlotManager.LocalsInOrder();

                if (localVariables.Length > 0xFFFE)
                {
                    diagnosticsForThisMethod.Add(ErrorCode.ERR_TooManyLocals, method.Locations.First());
                }

                if (diagnosticsForThisMethod.HasAnyErrors())
                {
                    // we are done here. Since there were errors we should not emit anything.
                    return null;
                }

                // We will only save the IL builders when running tests.
                if (module.SaveTestData)
                {
                    module.SetMethodTestData(method, builder.GetSnapshot());
                }

                // Only compiler-generated MoveNext methods have iterator scopes.  See if this is one.
                bool hasIteratorScopes =
                    method.Locations.IsEmpty && method.Name == "MoveNext" &&
                    (method.ExplicitInterfaceImplementations.Contains(compilation.GetSpecialTypeMember(SpecialMember.System_Collections_IEnumerator__MoveNext) as MethodSymbol) ||
                     method.ExplicitInterfaceImplementations.Contains(compilation.GetWellKnownTypeMember(WellKnownMember.System_Runtime_CompilerServices_IAsyncStateMachine_MoveNext) as MethodSymbol));

                var iteratorScopes = hasIteratorScopes ? builder.GetIteratorScopes() : ImmutableArray<LocalScope>.Empty;

                var iteratorOrAsyncImplementation = compilationState.GetIteratorOrAsyncImplementationClass(method);
                return new MethodBody(
                    builder.RealizedIL,
                    builder.MaxStack,
                    method,
                    localVariables,
                    builder.RealizedSequencePoints,
                    debugDocumentProvider,
                    builder.RealizedExceptionHandlers,
                    builder.GetAllScopes(),
                    Microsoft.Cci.CustomDebugInfoKind.CSharpStyle,
                    builder.HasDynamicLocal,
                    namespaceScopes,
                    (object)iteratorOrAsyncImplementation == null ? null : iteratorOrAsyncImplementation.MetadataName,
                    iteratorScopes,
                    asyncMethodDebugInfo: asyncDebugInfo
                );
            }
            finally
            {
                // Basic blocks contain poolable builders for IL and sequence points. Free those back
                // to their pools.
                builder.FreeBasicBlocks();

                // Remember diagnostics.
                diagnostics.AddRange(diagnosticsForThisMethod);
                diagnosticsForThisMethod.Free();
            }
        }
开发者ID:SoumikMukherjeeDOTNET,项目名称:roslyn,代码行数:88,代码来源:Compiler.cs


注:本文中的Microsoft.CodeAnalysis.CodeGen.ILBuilder.GetIteratorScopes方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。