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C# TracingILGenerator.BeginFinallyBlock方法代码示例

本文整理汇总了C#中MsgPack.Serialization.Reflection.TracingILGenerator.BeginFinallyBlock方法的典型用法代码示例。如果您正苦于以下问题:C# TracingILGenerator.BeginFinallyBlock方法的具体用法?C# TracingILGenerator.BeginFinallyBlock怎么用?C# TracingILGenerator.BeginFinallyBlock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MsgPack.Serialization.Reflection.TracingILGenerator的用法示例。


在下文中一共展示了TracingILGenerator.BeginFinallyBlock方法的2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: EmitUnpackerEndReadSubtree

		public static void EmitUnpackerEndReadSubtree( TracingILGenerator il, LocalBuilder subtreeUnpacker )
		{
			Contract.Requires( il != null );
			Contract.Requires( subtreeUnpacker != null );

			/*
			 *	finally
			 *	{
			 *		if( subtreeUnpacker != null )
			 *		{
			 *			subtreeUnpacker.Dispose();
			 *		}
			 *	}
			 */

			il.BeginFinallyBlock();
			il.EmitAnyLdloc( subtreeUnpacker );
			var endIf = il.DefineLabel( "END_IF" );
			il.EmitBrfalse_S( endIf );
			il.EmitAnyLdloc( subtreeUnpacker );
			il.EmitAnyCall( Metadata._IDisposable.Dispose );
			il.MarkLabel( endIf );
			il.EndExceptionBlock();
		}
开发者ID:purplecow,项目名称:msgpack-cli,代码行数:24,代码来源:Emittion.cs

示例2: EmitForEach


//.........这里部分代码省略.........

			if ( typeof( IDisposable ).IsAssignableFrom( traits.GetEnumeratorMethod.ReturnType ) )
			{
				il.BeginExceptionBlock();
			}

			var startLoop = il.DefineLabel( "START_LOOP" );
			il.MarkLabel( startLoop );
			var endLoop = il.DefineLabel( "END_LOOP" );
			var enumeratorType = traits.GetEnumeratorMethod.ReturnType;
			MethodInfo moveNextMethod = enumeratorType.GetMethod( "MoveNext", Type.EmptyTypes );
			PropertyInfo currentProperty = traits.GetEnumeratorMethod.ReturnType.GetProperty( "Current" );

			if ( moveNextMethod == null )
			{
				moveNextMethod = Metadata._IEnumerator.MoveNext;
			}

			if ( currentProperty == null )
			{
				if ( enumeratorType == typeof( IDictionaryEnumerator ) )
				{
					currentProperty = Metadata._IDictionaryEnumerator.Current;
				}
				else if ( enumeratorType.IsInterface )
				{
					if ( enumeratorType.IsGenericType && enumeratorType.GetGenericTypeDefinition() == typeof( IEnumerator<> ) )
					{
						currentProperty = typeof( IEnumerator<> ).MakeGenericType( traits.ElementType ).GetProperty( "Current" );
					}
					else
					{
						currentProperty = Metadata._IEnumerator.Current;
					}
				}
			}

			Contract.Assert( currentProperty != null, enumeratorType.ToString() );

			// iterates
			if ( traits.GetEnumeratorMethod.ReturnType.IsValueType )
			{
				il.EmitAnyLdloca( enumerator );
			}
			else
			{
				il.EmitAnyLdloc( enumerator );
			}

			il.EmitAnyCall( moveNextMethod );
			il.EmitBrfalse( endLoop );

			bodyEmitter(
				il,
				() =>
				{
					if ( traits.GetEnumeratorMethod.ReturnType.IsValueType )
					{
						il.EmitAnyLdloca( enumerator );
					}
					else
					{
						il.EmitAnyLdloc( enumerator );
					}
					il.EmitGetProperty( currentProperty );
				}
			);

			il.EmitBr( startLoop );
			il.MarkLabel( endLoop );

			// Dispose
			if ( typeof( IDisposable ).IsAssignableFrom( traits.GetEnumeratorMethod.ReturnType ) )
			{
				il.BeginFinallyBlock();

				if ( traits.GetEnumeratorMethod.ReturnType.IsValueType )
				{
					var disposeMethod = traits.GetEnumeratorMethod.ReturnType.GetMethod( "Dispose" );
					if ( disposeMethod != null && disposeMethod.GetParameters().Length == 0 && disposeMethod.ReturnType == typeof( void ) )
					{
						il.EmitAnyLdloca( enumerator );
						il.EmitAnyCall( disposeMethod );
					}
					else
					{
						il.EmitAnyLdloc( enumerator );
						il.EmitBox( traits.GetEnumeratorMethod.ReturnType );
						il.EmitAnyCall( Metadata._IDisposable.Dispose );
					}
				}
				else
				{
					il.EmitAnyLdloc( enumerator );
					il.EmitAnyCall( Metadata._IDisposable.Dispose );
				}

				il.EndExceptionBlock();
			}
		}
开发者ID:purplecow,项目名称:msgpack-cli,代码行数:101,代码来源:Emittion.cs


注:本文中的MsgPack.Serialization.Reflection.TracingILGenerator.BeginFinallyBlock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。