Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / ArgIterator.cs / 1305376 / ArgIterator.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== namespace System { using System; using System.Runtime.InteropServices; using System.Runtime.CompilerServices; using System.Runtime.Versioning; using System.Diagnostics.Contracts; // This class will not be marked serializable [StructLayout(LayoutKind.Auto)] public struct ArgIterator { [System.Security.SecurityCritical] // auto-generated [ResourceExposure(ResourceScope.None)] [MethodImplAttribute(MethodImplOptions.InternalCall)] private extern ArgIterator(IntPtr arglist); // create an arg iterator that points at the first argument that // is not statically declared (that is the first ... arg) // 'arglist' is the value returned by the ARGLIST instruction [System.Security.SecuritySafeCritical] // auto-generated public ArgIterator(RuntimeArgumentHandle arglist) : this(arglist.Value) { } [System.Security.SecurityCritical] // auto-generated [ResourceExposure(ResourceScope.None)] [MethodImplAttribute(MethodImplOptions.InternalCall)] private unsafe extern ArgIterator(IntPtr arglist, void *ptr); // create an arg iterator that points just past 'firstArg'. // 'arglist' is the value returned by the ARGLIST instruction // This is much like the C va_start macro [System.Security.SecurityCritical] // auto-generated [CLSCompliant(false)] public unsafe ArgIterator(RuntimeArgumentHandle arglist, void* ptr) : this(arglist.Value, ptr) { } // Fetch an argument as a typed referece, advance the iterator. // Throws an exception if past end of argument list [System.Security.SecuritySafeCritical] // auto-generated [CLSCompliant(false)] public TypedReference GetNextArg() { TypedReference result = new TypedReference (); // reference to TypedReference is banned, so have to pass result as pointer unsafe { FCallGetNextArg (&result); } return result; } [System.Security.SecurityCritical] // auto-generated [ResourceExposure(ResourceScope.None)] [MethodImplAttribute(MethodImplOptions.InternalCall)] // reference to TypedReference is banned, so have to pass result as void pointer private unsafe extern void FCallGetNextArg(void * result); // Alternate version of GetNextArg() intended primarily for IJW code // generated by VC's "va_arg()" construct. [System.Security.SecuritySafeCritical] // auto-generated [CLSCompliant(false)] public TypedReference GetNextArg(RuntimeTypeHandle rth) { if (sigPtr != IntPtr.Zero) { // This is an ordinary ArgIterator capable of determining // types from a signature. Just do a regular GetNextArg. return GetNextArg(); } else { // Prevent abuse of this API with a default ArgIterator (it // doesn't require permission to create a zero-inited value // type). Check that ArgPtr isn't zero or this API will allow a // malicious caller to increment the pointer to an arbitrary // location in memory and read the contents. if (ArgPtr == IntPtr.Zero) throw new ArgumentNullException(); TypedReference result = new TypedReference (); // reference to TypedReference is banned, so have to pass result as pointer unsafe { InternalGetNextArg(&result, rth.GetRuntimeType()); } return result; } } [System.Security.SecurityCritical] // auto-generated [ResourceExposure(ResourceScope.None)] [MethodImplAttribute(MethodImplOptions.InternalCall)] // reference to TypedReference is banned, so have to pass result as void pointer private unsafe extern void InternalGetNextArg(void * result, RuntimeType rt); // This method should invalidate the iterator (va_end). It is not supported yet. public void End() { } // How many arguments are left in the list [System.Security.SecuritySafeCritical] // auto-generated [ResourceExposure(ResourceScope.None)] [MethodImplAttribute(MethodImplOptions.InternalCall)] public extern int GetRemainingCount(); // Gets the type of the current arg, does NOT advance the iterator [System.Security.SecurityCritical] // auto-generated [ResourceExposure(ResourceScope.None)] [MethodImplAttribute(MethodImplOptions.InternalCall)] private extern unsafe void* _GetNextArgType(); [System.Security.SecuritySafeCritical] // auto-generated public unsafe RuntimeTypeHandle GetNextArgType() { return new RuntimeTypeHandle(Type.GetTypeFromHandleUnsafe((IntPtr)_GetNextArgType())); } public override int GetHashCode() { return ValueType.GetHashCodeOfPtr(ArgCookie); } // Inherited from object public override bool Equals(Object o) { throw new NotSupportedException(Environment.GetResourceString("NotSupported_NYI")); } private IntPtr ArgCookie; // Cookie from the EE. // The SigPtr structure consists of the following members private IntPtr sigPtr; // Pointer to remaining signature. private IntPtr sigPtrLen; // Remaining length of the pointer // Note, sigPtrLen is actually a DWORD, but on 64bit systems this structure becomes // 8-byte aligned, which requires us to pad it. private IntPtr ArgPtr; // Pointer to remaining args. private int RemainingArgs; // # of remaining args. } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== namespace System { using System; using System.Runtime.InteropServices; using System.Runtime.CompilerServices; using System.Runtime.Versioning; using System.Diagnostics.Contracts; // This class will not be marked serializable [StructLayout(LayoutKind.Auto)] public struct ArgIterator { [System.Security.SecurityCritical] // auto-generated [ResourceExposure(ResourceScope.None)] [MethodImplAttribute(MethodImplOptions.InternalCall)] private extern ArgIterator(IntPtr arglist); // create an arg iterator that points at the first argument that // is not statically declared (that is the first ... arg) // 'arglist' is the value returned by the ARGLIST instruction [System.Security.SecuritySafeCritical] // auto-generated public ArgIterator(RuntimeArgumentHandle arglist) : this(arglist.Value) { } [System.Security.SecurityCritical] // auto-generated [ResourceExposure(ResourceScope.None)] [MethodImplAttribute(MethodImplOptions.InternalCall)] private unsafe extern ArgIterator(IntPtr arglist, void *ptr); // create an arg iterator that points just past 'firstArg'. // 'arglist' is the value returned by the ARGLIST instruction // This is much like the C va_start macro [System.Security.SecurityCritical] // auto-generated [CLSCompliant(false)] public unsafe ArgIterator(RuntimeArgumentHandle arglist, void* ptr) : this(arglist.Value, ptr) { } // Fetch an argument as a typed referece, advance the iterator. // Throws an exception if past end of argument list [System.Security.SecuritySafeCritical] // auto-generated [CLSCompliant(false)] public TypedReference GetNextArg() { TypedReference result = new TypedReference (); // reference to TypedReference is banned, so have to pass result as pointer unsafe { FCallGetNextArg (&result); } return result; } [System.Security.SecurityCritical] // auto-generated [ResourceExposure(ResourceScope.None)] [MethodImplAttribute(MethodImplOptions.InternalCall)] // reference to TypedReference is banned, so have to pass result as void pointer private unsafe extern void FCallGetNextArg(void * result); // Alternate version of GetNextArg() intended primarily for IJW code // generated by VC's "va_arg()" construct. [System.Security.SecuritySafeCritical] // auto-generated [CLSCompliant(false)] public TypedReference GetNextArg(RuntimeTypeHandle rth) { if (sigPtr != IntPtr.Zero) { // This is an ordinary ArgIterator capable of determining // types from a signature. Just do a regular GetNextArg. return GetNextArg(); } else { // Prevent abuse of this API with a default ArgIterator (it // doesn't require permission to create a zero-inited value // type). Check that ArgPtr isn't zero or this API will allow a // malicious caller to increment the pointer to an arbitrary // location in memory and read the contents. if (ArgPtr == IntPtr.Zero) throw new ArgumentNullException(); TypedReference result = new TypedReference (); // reference to TypedReference is banned, so have to pass result as pointer unsafe { InternalGetNextArg(&result, rth.GetRuntimeType()); } return result; } } [System.Security.SecurityCritical] // auto-generated [ResourceExposure(ResourceScope.None)] [MethodImplAttribute(MethodImplOptions.InternalCall)] // reference to TypedReference is banned, so have to pass result as void pointer private unsafe extern void InternalGetNextArg(void * result, RuntimeType rt); // This method should invalidate the iterator (va_end). It is not supported yet. public void End() { } // How many arguments are left in the list [System.Security.SecuritySafeCritical] // auto-generated [ResourceExposure(ResourceScope.None)] [MethodImplAttribute(MethodImplOptions.InternalCall)] public extern int GetRemainingCount(); // Gets the type of the current arg, does NOT advance the iterator [System.Security.SecurityCritical] // auto-generated [ResourceExposure(ResourceScope.None)] [MethodImplAttribute(MethodImplOptions.InternalCall)] private extern unsafe void* _GetNextArgType(); [System.Security.SecuritySafeCritical] // auto-generated public unsafe RuntimeTypeHandle GetNextArgType() { return new RuntimeTypeHandle(Type.GetTypeFromHandleUnsafe((IntPtr)_GetNextArgType())); } public override int GetHashCode() { return ValueType.GetHashCodeOfPtr(ArgCookie); } // Inherited from object public override bool Equals(Object o) { throw new NotSupportedException(Environment.GetResourceString("NotSupported_NYI")); } private IntPtr ArgCookie; // Cookie from the EE. // The SigPtr structure consists of the following members private IntPtr sigPtr; // Pointer to remaining signature. private IntPtr sigPtrLen; // Remaining length of the pointer // Note, sigPtrLen is actually a DWORD, but on 64bit systems this structure becomes // 8-byte aligned, which requires us to pad it. private IntPtr ArgPtr; // Pointer to remaining args. private int RemainingArgs; // # of remaining args. } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- RelationshipEntry.cs
- UnlockInstanceCommand.cs
- DataGridViewCellMouseEventArgs.cs
- XmlSchemaAll.cs
- ChangeTracker.cs
- CapabilitiesAssignment.cs
- DataGridViewColumnCollection.cs
- DateTimeSerializationSection.cs
- HttpRawResponse.cs
- Condition.cs
- WebRequestModuleElementCollection.cs
- SystemResourceHost.cs
- WarningException.cs
- xsdvalidator.cs
- WorkflowDebuggerSteppingAttribute.cs
- BuildProvider.cs
- WebPartConnectionsCancelVerb.cs
- AssemblyBuilder.cs
- UInt16.cs
- ObservableDictionary.cs
- sqlinternaltransaction.cs
- _NestedSingleAsyncResult.cs
- BasePattern.cs
- EntityTransaction.cs
- AppDomain.cs
- WindowsTab.cs
- LingerOption.cs
- WebPartManagerInternals.cs
- AppDomain.cs
- Query.cs
- AvTraceFormat.cs
- UnsafeNativeMethodsTablet.cs
- ValidatorCollection.cs
- ColumnClickEvent.cs
- TabControlToolboxItem.cs
- SiteMapProvider.cs
- XmlConvert.cs
- DataGridTablesFactory.cs
- QueryInterceptorAttribute.cs
- OdbcConnection.cs
- OleDbConnection.cs
- XmlReflectionMember.cs
- BamlLocalizableResource.cs
- CodeGenerator.cs
- odbcmetadatafactory.cs
- WrappedDispatcherException.cs
- CapabilitiesSection.cs
- Visual.cs
- RootBrowserWindow.cs
- UpDownBaseDesigner.cs
- ElapsedEventArgs.cs
- Authorization.cs
- PageCodeDomTreeGenerator.cs
- NoResizeHandleGlyph.cs
- BackStopAuthenticationModule.cs
- TableParagraph.cs
- OutputCacheProfileCollection.cs
- ErrorLog.cs
- ScriptResourceInfo.cs
- DelegateSerializationHolder.cs
- RowUpdatedEventArgs.cs
- Comparer.cs
- InitializingNewItemEventArgs.cs
- HierarchicalDataTemplate.cs
- SQLInt16.cs
- AddingNewEventArgs.cs
- TextLineResult.cs
- ProfileSettings.cs
- IPCCacheManager.cs
- InvalidDataException.cs
- QuestionEventArgs.cs
- DefaultSection.cs
- BridgeDataRecord.cs
- TagMapCollection.cs
- MetadataAssemblyHelper.cs
- CommandField.cs
- ArrangedElementCollection.cs
- FloatUtil.cs
- input.cs
- FlowThrottle.cs
- BasicKeyConstraint.cs
- Preprocessor.cs
- PointCollection.cs
- ProfilePropertySettings.cs
- ObjectStorage.cs
- Normalizer.cs
- webclient.cs
- SetStateEventArgs.cs
- RewritingValidator.cs
- DataGridTable.cs
- CommandTreeTypeHelper.cs
- DateTimeSerializationSection.cs
- DesignConnectionCollection.cs
- RuleSet.cs
- StorageEndPropertyMapping.cs
- SqlWebEventProvider.cs
- PermissionRequestEvidence.cs
- CompositeDispatchFormatter.cs
- ObjectListDataBindEventArgs.cs
- RuntimeArgumentHandle.cs