Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Core / Microsoft / Scripting / Ast / CatchBlock.cs / 1305376 / CatchBlock.cs
/* **************************************************************************** * * Copyright (c) Microsoft Corporation. * * This source code is subject to terms and conditions of the Microsoft Public License. A * copy of the license can be found in the License.html file at the root of this distribution. If * you cannot locate the Microsoft Public License, please send an email to * dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound * by the terms of the Microsoft Public License. * * You must not remove this notice, or any other, from this software. * * * ***************************************************************************/ using System.Diagnostics; using System.Dynamic.Utils; #if SILVERLIGHT using System.Core; #endif namespace System.Linq.Expressions { ////// Represents a catch statement in a try block. /// This must have the same return type (i.e., the type of #if !SILVERLIGHT [DebuggerTypeProxy(typeof(Expression.CatchBlockProxy))] #endif public sealed class CatchBlock { private readonly Type _test; private readonly ParameterExpression _var; private readonly Expression _body; private readonly Expression _filter; internal CatchBlock(Type test, ParameterExpression variable, Expression body, Expression filter) { _test = test; _var = variable; _body = body; _filter = filter; } ///) as the try block it is associated with. /// /// Gets a reference to the public ParameterExpression Variable { get { return _var; } } ///object caught by this handler. /// /// Gets the type of public Type Test { get { return _test; } } ///this handler catches. /// /// Gets the body of the catch block. /// public Expression Body { get { return _body; } } ////// Gets the body of the public Expression Filter { get { return _filter; } } ///'s filter. /// /// Returns a ///that represents the current . /// A public override string ToString() { return ExpressionStringBuilder.CatchBlockToString(this); } ///that represents the current . /// Creates a new expression that is like this one, but using the /// supplied children. If all of the children are the same, it will /// return this expression. /// /// Theproperty of the result. /// The property of the result. /// The property of the result. /// This expression if no children changed, or an expression with the updated children. public CatchBlock Update(ParameterExpression variable, Expression filter, Expression body) { if (variable == Variable && filter == Filter && body == Body) { return this; } return Expression.MakeCatchBlock(Test, variable, body, filter); } } public partial class Expression { ////// Creates a /// Therepresenting a catch statement. /// The of object to be caught can be specified but no reference to the object /// will be available for use in the . /// of this will handle. /// The body of the catch statement. /// The created public static CatchBlock Catch(Type type, Expression body) { return MakeCatchBlock(type, null, body, null); } ///. /// Creates a /// Arepresenting a catch statement with a reference to the caught object for use in the handler body. /// representing a reference to the object caught by this handler. /// The body of the catch statement. /// The created public static CatchBlock Catch(ParameterExpression variable, Expression body) { ContractUtils.RequiresNotNull(variable, "variable"); return MakeCatchBlock(variable.Type, variable, body, null); } ///. /// Creates a /// Therepresenting a catch statement with /// an filter but no reference to the caught object. /// of this will handle. /// The body of the catch statement. /// The body of the filter. /// The created public static CatchBlock Catch(Type type, Expression body, Expression filter) { return MakeCatchBlock(type, null, body, filter); } ///. /// Creates a /// Arepresenting a catch statement with /// an filter and a reference to the caught object. /// representing a reference to the object caught by this handler. /// The body of the catch statement. /// The body of the filter. /// The created public static CatchBlock Catch(ParameterExpression variable, Expression body, Expression filter) { ContractUtils.RequiresNotNull(variable, "variable"); return MakeCatchBlock(variable.Type, variable, body, filter); } ///. /// Creates a /// Therepresenting a catch statement with the specified elements. /// of this will handle. /// A representing a reference to the object caught by this handler. /// The body of the catch statement. /// The body of the filter. /// The created ///. public static CatchBlock MakeCatchBlock(Type type, ParameterExpression variable, Expression body, Expression filter) { ContractUtils.RequiresNotNull(type, "type"); ContractUtils.Requires(variable == null || TypeUtils.AreEquivalent(variable.Type, type), "variable"); if (variable != null && variable.IsByRef) { throw Error.VariableMustNotBeByRef(variable, variable.Type); } RequiresCanRead(body, "body"); if (filter != null) { RequiresCanRead(filter, "filter"); if (filter.Type != typeof(bool)) throw Error.ArgumentMustBeBoolean(); } return new CatchBlock(type, variable, body, filter); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. /* **************************************************************************** * * Copyright (c) Microsoft Corporation. * * This source code is subject to terms and conditions of the Microsoft Public License. A * copy of the license can be found in the License.html file at the root of this distribution. If * you cannot locate the Microsoft Public License, please send an email to * dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound * by the terms of the Microsoft Public License. * * You must not remove this notice, or any other, from this software. * * * ***************************************************************************/ using System.Diagnostics; using System.Dynamic.Utils; #if SILVERLIGHT using System.Core; #endif namespace System.Linq.Expressions { /// must be non-null and match the type of (if it is supplied). /// Represents a catch statement in a try block. /// This must have the same return type (i.e., the type of #if !SILVERLIGHT [DebuggerTypeProxy(typeof(Expression.CatchBlockProxy))] #endif public sealed class CatchBlock { private readonly Type _test; private readonly ParameterExpression _var; private readonly Expression _body; private readonly Expression _filter; internal CatchBlock(Type test, ParameterExpression variable, Expression body, Expression filter) { _test = test; _var = variable; _body = body; _filter = filter; } ///) as the try block it is associated with. /// /// Gets a reference to the public ParameterExpression Variable { get { return _var; } } ///object caught by this handler. /// /// Gets the type of public Type Test { get { return _test; } } ///this handler catches. /// /// Gets the body of the catch block. /// public Expression Body { get { return _body; } } ////// Gets the body of the public Expression Filter { get { return _filter; } } ///'s filter. /// /// Returns a ///that represents the current . /// A public override string ToString() { return ExpressionStringBuilder.CatchBlockToString(this); } ///that represents the current . /// Creates a new expression that is like this one, but using the /// supplied children. If all of the children are the same, it will /// return this expression. /// /// Theproperty of the result. /// The property of the result. /// The property of the result. /// This expression if no children changed, or an expression with the updated children. public CatchBlock Update(ParameterExpression variable, Expression filter, Expression body) { if (variable == Variable && filter == Filter && body == Body) { return this; } return Expression.MakeCatchBlock(Test, variable, body, filter); } } public partial class Expression { ////// Creates a /// Therepresenting a catch statement. /// The of object to be caught can be specified but no reference to the object /// will be available for use in the . /// of this will handle. /// The body of the catch statement. /// The created public static CatchBlock Catch(Type type, Expression body) { return MakeCatchBlock(type, null, body, null); } ///. /// Creates a /// Arepresenting a catch statement with a reference to the caught object for use in the handler body. /// representing a reference to the object caught by this handler. /// The body of the catch statement. /// The created public static CatchBlock Catch(ParameterExpression variable, Expression body) { ContractUtils.RequiresNotNull(variable, "variable"); return MakeCatchBlock(variable.Type, variable, body, null); } ///. /// Creates a /// Therepresenting a catch statement with /// an filter but no reference to the caught object. /// of this will handle. /// The body of the catch statement. /// The body of the filter. /// The created public static CatchBlock Catch(Type type, Expression body, Expression filter) { return MakeCatchBlock(type, null, body, filter); } ///. /// Creates a /// Arepresenting a catch statement with /// an filter and a reference to the caught object. /// representing a reference to the object caught by this handler. /// The body of the catch statement. /// The body of the filter. /// The created public static CatchBlock Catch(ParameterExpression variable, Expression body, Expression filter) { ContractUtils.RequiresNotNull(variable, "variable"); return MakeCatchBlock(variable.Type, variable, body, filter); } ///. /// Creates a /// Therepresenting a catch statement with the specified elements. /// of this will handle. /// A representing a reference to the object caught by this handler. /// The body of the catch statement. /// The body of the filter. /// The created ///. public static CatchBlock MakeCatchBlock(Type type, ParameterExpression variable, Expression body, Expression filter) { ContractUtils.RequiresNotNull(type, "type"); ContractUtils.Requires(variable == null || TypeUtils.AreEquivalent(variable.Type, type), "variable"); if (variable != null && variable.IsByRef) { throw Error.VariableMustNotBeByRef(variable, variable.Type); } RequiresCanRead(body, "body"); if (filter != null) { RequiresCanRead(filter, "filter"); if (filter.Type != typeof(bool)) throw Error.ArgumentMustBeBoolean(); } return new CatchBlock(type, variable, body, filter); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. must be non-null and match the type of (if it is supplied).
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- Query.cs
- SecurityManager.cs
- DataKey.cs
- XPathCompileException.cs
- HttpCapabilitiesBase.cs
- CalendarAutomationPeer.cs
- PolyLineSegmentFigureLogic.cs
- InputGestureCollection.cs
- Image.cs
- DataGridViewLinkCell.cs
- QueryBranchOp.cs
- WebPartVerbCollection.cs
- CheckBoxFlatAdapter.cs
- VersionedStreamOwner.cs
- Composition.cs
- GlobalProxySelection.cs
- ParameterElementCollection.cs
- PreviewKeyDownEventArgs.cs
- StringBuilder.cs
- ToolStripPanelCell.cs
- GetPageNumberCompletedEventArgs.cs
- CodeSubDirectory.cs
- RepeatInfo.cs
- NameService.cs
- RuntimeTransactionHandle.cs
- Compensate.cs
- DependencyPropertyDescriptor.cs
- NativeMethodsCLR.cs
- SemaphoreFullException.cs
- ListView.cs
- TcpTransportSecurity.cs
- TextContainerChangedEventArgs.cs
- ExpressionHelper.cs
- CustomGrammar.cs
- Task.cs
- XmlBinaryWriterSession.cs
- CompoundFileReference.cs
- StringReader.cs
- UnsafeNativeMethods.cs
- TakeOrSkipQueryOperator.cs
- Light.cs
- ReturnValue.cs
- ConfigurationLocation.cs
- CodePageEncoding.cs
- HashHelper.cs
- DataGridViewCellPaintingEventArgs.cs
- OletxVolatileEnlistment.cs
- ThemeDictionaryExtension.cs
- MailMessage.cs
- ConnectivityStatus.cs
- messageonlyhwndwrapper.cs
- HtmlInputFile.cs
- RtfToXamlLexer.cs
- ProvideValueServiceProvider.cs
- BlurBitmapEffect.cs
- KeyGestureConverter.cs
- ReadOnlyDictionary.cs
- TypeInitializationException.cs
- NativeMethodsCLR.cs
- PageVisual.cs
- Array.cs
- BlockUIContainer.cs
- DesignerSerializationOptionsAttribute.cs
- CompatibleComparer.cs
- StorageEntityContainerMapping.cs
- RuntimeIdentifierPropertyAttribute.cs
- WebBrowsableAttribute.cs
- CheckBoxPopupAdapter.cs
- CatalogZoneBase.cs
- Expression.cs
- SiteOfOriginContainer.cs
- SolidBrush.cs
- PrintController.cs
- InvokeGenerator.cs
- OdbcHandle.cs
- OneOf.cs
- ObjectDataSourceSelectingEventArgs.cs
- WebPartConnectionsConfigureVerb.cs
- Ports.cs
- DataTableClearEvent.cs
- ThicknessConverter.cs
- BaseDataListPage.cs
- ConfigurationManagerHelper.cs
- StreamGeometry.cs
- WebPartZoneCollection.cs
- TypeNameConverter.cs
- AssemblyFilter.cs
- Light.cs
- CheckedListBox.cs
- DesignerActionUIStateChangeEventArgs.cs
- String.cs
- ContentIterators.cs
- OutputCacheProfileCollection.cs
- ContainerActivationHelper.cs
- InvalidFilterCriteriaException.cs
- ToolTip.cs
- NodeFunctions.cs
- WeakReadOnlyCollection.cs
- EmptyControlCollection.cs
- SchemaImporterExtensionElement.cs