How to use Emit method of Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST.NewArrayExpression class

Best JustMockLite code snippet using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST.NewArrayExpression.Emit

MethodWithInvocationGenerator.cs

Source:MethodWithInvocationGenerator.cs

...15{16	using System;17	using System.Diagnostics;18	using System.Reflection;19	using System.Reflection.Emit;20#if FEATURE_SERIALIZATION21	using System.Xml.Serialization;22#endif23	using Telerik.JustMock.Core.Castle.Core.Internal;24	using Telerik.JustMock.Core.Castle.DynamicProxy.Contributors;25	using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters;26	using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;27	using Telerik.JustMock.Core.Castle.DynamicProxy.Internal;28	using Telerik.JustMock.Core.Castle.DynamicProxy.Tokens;29	internal class MethodWithInvocationGenerator : MethodGenerator30	{31		private readonly IInvocationCreationContributor contributor;32		private readonly GetTargetExpressionDelegate getTargetExpression;33		private readonly GetTargetExpressionDelegate getTargetTypeExpression;34		private readonly Reference interceptors;35		private readonly Type invocation;36		public MethodWithInvocationGenerator(MetaMethod method, Reference interceptors, Type invocation,37		                                     GetTargetExpressionDelegate getTargetExpression,38		                                     OverrideMethodDelegate createMethod, IInvocationCreationContributor contributor)39			: this(method, interceptors, invocation, getTargetExpression, null, createMethod, contributor)40		{41		}42		public MethodWithInvocationGenerator(MetaMethod method, Reference interceptors, Type invocation,43		                                     GetTargetExpressionDelegate getTargetExpression,44		                                     GetTargetExpressionDelegate getTargetTypeExpression,45		                                     OverrideMethodDelegate createMethod, IInvocationCreationContributor contributor)46			: base(method, createMethod)47		{48			this.invocation = invocation;49			this.getTargetExpression = getTargetExpression;50			this.getTargetTypeExpression = getTargetTypeExpression;51			this.interceptors = interceptors;52			this.contributor = contributor;53		}54		protected FieldReference BuildMethodInterceptorsField(ClassEmitter @class, MethodInfo method, INamingScope namingScope)55		{56			var methodInterceptors = @class.CreateField(57				namingScope.GetUniqueName(string.Format("interceptors_{0}", method.Name)),58				typeof(IInterceptor[]),59				false);60#if FEATURE_SERIALIZATION61			@class.DefineCustomAttributeFor<XmlIgnoreAttribute>(methodInterceptors);62#endif63			return methodInterceptors;64		}65		protected override MethodEmitter BuildProxiedMethodBody(MethodEmitter emitter, ClassEmitter @class, ProxyGenerationOptions options, INamingScope namingScope)66		{67			var invocationType = invocation;68			Trace.Assert(MethodToOverride.IsGenericMethod == invocationType.GetTypeInfo().IsGenericTypeDefinition);69			var genericArguments = Type.EmptyTypes;70			var constructor = invocation.GetConstructors()[0];71			Expression proxiedMethodTokenExpression;72			if (MethodToOverride.IsGenericMethod)73			{74				// bind generic method arguments to invocation's type arguments75				genericArguments = emitter.MethodBuilder.GetGenericArguments();76				invocationType = invocationType.MakeGenericType(genericArguments);77				constructor = TypeBuilder.GetConstructor(invocationType, constructor);78				// Not in the cache: generic method79				proxiedMethodTokenExpression = new MethodTokenExpression(MethodToOverride.MakeGenericMethod(genericArguments));80			}81			else82			{83				var proxiedMethodToken = @class.CreateStaticField(namingScope.GetUniqueName("token_" + MethodToOverride.Name), typeof(MethodInfo));84				@class.ClassConstructor.CodeBuilder.AddStatement(new AssignStatement(proxiedMethodToken, new MethodTokenExpression(MethodToOverride)));85				proxiedMethodTokenExpression = proxiedMethodToken.ToExpression();86			}87			var methodInterceptors = SetMethodInterceptors(@class, namingScope, emitter, proxiedMethodTokenExpression);88			var dereferencedArguments = IndirectReference.WrapIfByRef(emitter.Arguments);89			var hasByRefArguments = HasByRefArguments(emitter.Arguments);90			var arguments = GetCtorArguments(@class, proxiedMethodTokenExpression, dereferencedArguments, methodInterceptors);91			var ctorArguments = ModifyArguments(@class, arguments);92			var invocationLocal = emitter.CodeBuilder.DeclareLocal(invocationType);93			emitter.CodeBuilder.AddStatement(new AssignStatement(invocationLocal,94			                                                     new NewInstanceExpression(constructor, ctorArguments)));95			if (MethodToOverride.ContainsGenericParameters)96			{97				EmitLoadGenricMethodArguments(emitter, MethodToOverride.MakeGenericMethod(genericArguments), invocationLocal);98			}99			if (hasByRefArguments)100			{101				emitter.CodeBuilder.AddStatement(new TryStatement());102			}103			var proceed = new ExpressionStatement(new MethodInvocationExpression(invocationLocal, InvocationMethods.Proceed));104			emitter.CodeBuilder.AddStatement(proceed);105			if (hasByRefArguments)106			{107				emitter.CodeBuilder.AddStatement(new FinallyStatement());108			}109			GeneratorUtil.CopyOutAndRefParameters(dereferencedArguments, invocationLocal, MethodToOverride, emitter);110			if (hasByRefArguments)111			{112				emitter.CodeBuilder.AddStatement(new EndExceptionBlockStatement());113			}114			if (MethodToOverride.ReturnType != typeof(void))115			{116				var getRetVal = new MethodInvocationExpression(invocationLocal, InvocationMethods.GetReturnValue);117				// Emit code to ensure a value type return type is not null, otherwise the cast will cause a null-deref118				if (emitter.ReturnType.GetTypeInfo().IsValueType && !emitter.ReturnType.IsNullableType())119				{120					LocalReference returnValue = emitter.CodeBuilder.DeclareLocal(typeof(object));121					emitter.CodeBuilder.AddStatement(new AssignStatement(returnValue, getRetVal));122					emitter.CodeBuilder.AddExpression(new IfNullExpression(returnValue, new ThrowStatement(typeof(InvalidOperationException),123						"Interceptors failed to set a return value, or swallowed the exception thrown by the target")));124				}125				// Emit code to return with cast from ReturnValue126				emitter.CodeBuilder.AddStatement(new ReturnStatement(new ConvertExpression(emitter.ReturnType, getRetVal)));127			}128			else129			{130				emitter.CodeBuilder.AddStatement(new ReturnStatement());131			}132			return emitter;133		}134		private Expression SetMethodInterceptors(ClassEmitter @class, INamingScope namingScope, MethodEmitter emitter, Expression proxiedMethodTokenExpression)135		{136			var selector = @class.GetField("__selector");137			if(selector == null)138			{139				return null;140			}141			var methodInterceptorsField = BuildMethodInterceptorsField(@class, MethodToOverride, namingScope);142			Expression targetTypeExpression;143			if (getTargetTypeExpression != null)144			{145				targetTypeExpression = getTargetTypeExpression(@class, MethodToOverride);146			}147			else148			{149				targetTypeExpression = new MethodInvocationExpression(null, TypeUtilMethods.GetTypeOrNull, getTargetExpression(@class, MethodToOverride));150			}151			var emptyInterceptors = new NewArrayExpression(0, typeof(IInterceptor));152			var selectInterceptors = new MethodInvocationExpression(selector, InterceptorSelectorMethods.SelectInterceptors,153			                                                        targetTypeExpression,154			                                                        proxiedMethodTokenExpression, interceptors.ToExpression())155			{ VirtualCall = true };156			emitter.CodeBuilder.AddExpression(157				new IfNullExpression(methodInterceptorsField,158				                     new AssignStatement(methodInterceptorsField,159				                                         new NullCoalescingOperatorExpression(selectInterceptors, emptyInterceptors))));160			return methodInterceptorsField.ToExpression();161		}162		private void EmitLoadGenricMethodArguments(MethodEmitter methodEmitter, MethodInfo method, Reference invocationLocal)163		{164			var genericParameters = method.GetGenericArguments().FindAll(t => t.GetTypeInfo().IsGenericParameter);165			var genericParamsArrayLocal = methodEmitter.CodeBuilder.DeclareLocal(typeof(Type[]));166			methodEmitter.CodeBuilder.AddStatement(167				new AssignStatement(genericParamsArrayLocal, new NewArrayExpression(genericParameters.Length, typeof(Type))));168			for (var i = 0; i < genericParameters.Length; ++i)169			{170				methodEmitter.CodeBuilder.AddStatement(171					new AssignArrayStatement(genericParamsArrayLocal, i, new TypeTokenExpression(genericParameters[i])));172			}173			methodEmitter.CodeBuilder.AddExpression(174				new MethodInvocationExpression(invocationLocal,175				                               InvocationMethods.SetGenericMethodArguments,176				                               new ReferenceExpression(177					                               genericParamsArrayLocal)));178		}179		private Expression[] GetCtorArguments(ClassEmitter @class, Expression proxiedMethodTokenExpression, TypeReference[] dereferencedArguments, Expression methodInterceptors)180		{181			return new[]182			{183				getTargetExpression(@class, MethodToOverride),184				SelfReference.Self.ToExpression(),185				methodInterceptors ?? interceptors.ToExpression(),186				proxiedMethodTokenExpression,187				new ReferencesToObjectArrayExpression(dereferencedArguments)188			};189		}190		private Expression[] ModifyArguments(ClassEmitter @class, Expression[] arguments)191		{192			if (contributor == null)193			{194				return arguments;195			}196			return contributor.GetConstructorInvocationArguments(arguments, @class);197		}198		private bool HasByRefArguments(ArgumentReference[] arguments)199		{200			for (int i = 0; i < arguments.Length; i++ )201			{202				if (arguments[i].Type.GetTypeInfo().IsByRef)203				{204					return true;...

NewArrayExpression.cs

Source:NewArrayExpression.cs

...10// distributed under the License is distributed on an "AS IS" BASIS,11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.12// See the License for the specific language governing permissions and13// limitations under the License.14namespace Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST15{16	using System;17	using System.Reflection.Emit;18	/// <summary>19	///   Summary description for NewArrayExpression.20	/// </summary>21	internal class NewArrayExpression : Expression22	{23		private readonly Type arrayType;24		private readonly int size;25		public NewArrayExpression(int size, Type arrayType)26		{27			this.size = size;28			this.arrayType = arrayType;29		}30		public override void Emit(IMemberEmitter member, ILGenerator gen)31		{32			gen.Emit(OpCodes.Ldc_I4, size);33			gen.Emit(OpCodes.Newarr, arrayType);34		}35	}36}...

Emit

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;6using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters;7using System.Reflection.Emit;8using System.Reflection;9using Telerik.JustMock.Core.Castle.DynamicProxy.Generators;10using Telerik.JustMock.Core.Castle.DynamicProxy;11{12    {13        static void Main(string[] args)14        {15            var moduleScope = new ModuleScope(true);16            var emitter = new ClassEmitter(moduleScope, "test", typeof(object), Type.EmptyTypes, TypeAttributes.Public | TypeAttributes.Class | TypeAttributes.Sealed);17            var arrayType = typeof(int);18            var arrayExpression = new NewArrayExpression(arrayType, new Expression[] { new LiteralExpression(10) });19            arrayExpression.Emit(emitter, null);20            var type = emitter.BuildType();21            var method = type.GetMethod("test");22            var instance = Activator.CreateInstance(type);23            method.Invoke(instance, null);24        }25    }26}

Emit

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;6using Telerik.JustMock.Core.Castle.DynamicProxy.Generators;7using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters;8{9    {10        public void Test()11        {12            var moduleScope = new ModuleScope();13            var type = moduleScope.DefineType("test", TypeAttributes.Public);14            var field = type.DefineField("field", typeof(int), FieldAttributes.Public);15            var method = type.DefineMethod("method", MethodAttributes.Public, typeof(int), new Type[0]);16            var il = method.GetILGenerator();17            var array = new NewArrayExpression(typeof(int), 2);18            array.Emit(il);19        }20    }21}

Emit

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;7using Telerik.JustMock.Core;8{9    {10        static void Main(string[] args)11        {12            NewArrayExpression newArrayExpression = new NewArrayExpression(typeof(string), 1);13            Console.WriteLine(newArrayExpression.ToString());14            Console.ReadKey();15        }16    }17}18using System;19using System.Collections.Generic;20using System.Linq;21using System.Text;22using System.Threading.Tasks;23using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;24using Telerik.JustMock.Core;25{26    {27        static void Main(string[] args)28        {29            NewInstanceExpression newInstanceExpression = new NewInstanceExpression(typeof(string), new Expression[0]);30            Console.WriteLine(newInstanceExpression.ToString());31            Console.ReadKey();32        }33    }34}35using System;36using System.Collections.Generic;37using System.Linq;38using System.Text;39using System.Threading.Tasks;40using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;41using Telerik.JustMock.Core;42{43    {44        static void Main(string[] args)45        {46            NullExpression nullExpression = new NullExpression();47            Console.WriteLine(nullExpression.ToString());48            Console.ReadKey();49        }50    }51}52using System;53using System.Collections.Generic;54using System.Linq;55using System.Text;56using System.Threading.Tasks;57using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;58using Telerik.JustMock.Core;59{60    {61        static void Main(string[] args)62        {63            ReturnExpression returnExpression = new ReturnExpression();64            Console.WriteLine(returnExpression.ToString

Emit

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;6{7    {8        static void Main(string[] args)9        {10            NewArrayExpression expr = new NewArrayExpression(typeof(int[]), new Expression[] { new LiteralExpression(10), new LiteralExpression(20) });11            expr.Emit(new DummyILGenerator());12        }13    }14}15using System;16using System.Collections.Generic;17using System.Linq;18using System.Text;19using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;20{21    {22        static void Main(string[] args)23        {24            NewObjectExpression expr = new NewObjectExpression(typeof(System.Collections.ArrayList), new Expression[] { });25            expr.Emit(new DummyILGenerator());26        }27    }28}29using System;30using System.Collections.Generic;31using System.Linq;32using System.Text;33using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;34{35    {36        static void Main(string[] args)37        {38            NullExpression expr = NullExpression.Instance;39            expr.Emit(new DummyILGenerator());40        }41    }42}43using System;44using System.Collections.Generic;45using System.Linq;46using System.Text;47using Telerik.JustMock.Core.Castle.DynamicProxy.Generators.Emitters.SimpleAST;48{49    {50        static void Main(string[] args)51        {52            ReferenceExpression expr = new ReferenceExpression(typeof(int));53            expr.Emit(new DummyILGenerator());54        }55    }56}57using System;

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