• Avalanche.Core
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    • Avalanche.Accessor
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        • IDataType
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      • .Net
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    • Avalanche.Emit
      • Introduction
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    • Avalanche.FileSystem
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        • Introduction
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      • Introduction
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    • Avalanche.Service
      • Introduction
      • Service
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      • Query
        • Introduction
        • IQuery
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      • Entry
        • Introduction
        • IEntry
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      • Request
        • Introduction
        • IRequest
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      • Introduction
      • HResult
        • Introduction
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        • Introduction
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    • Avalanche.Template
      • Introduction
      • TemplateFormats
      • ITemplatePrintable
      • ITemplateFormatPrintable
      • ITemplateText
      • ITemplateBreakdown
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      • ITemplateFormats
      • Extract Arguments
      • Emplacement
    • Avalanche.Tokenizer
      • Introduction
      • IToken
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    • Avalanche.Utilities
      • Introduction
      • Collections
        • Tuples
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      • Comparers
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      • Cloners
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        • Introduction
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      • Record
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      • String
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      • Miscellaneous
        • IIdGenerator
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    • Avalanche.Writer
      • Introduction
      • ConstantWriter
      • Context
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      • DefaultConstructor
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      • Referer
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    ToStringRequest

    ToStringRequest.Create() is a utility method that creates a request to override ToString() method in a TypeBuilder.

    // Service that handles assembly builder, module builder and types
    IService service = Services.Create((ServiceHandlers.Instance, EmitHandlers.Instance), CachePolicies.Default);
    // Request to create type builder
    IRequestFor<TypeBuilder> typeBuilder = new TypeBuilderRequest("MyClass4", TypeAttributes.Public | TypeAttributes.Class | TypeAttributes.AutoClass);
    // Create request to override ToString()
    IRequest toString = ToStringRequest.Create("Hello World");
    // Add request to override ToString()
    typeBuilder = typeBuilder.Append(toString);
    // Request to complete type
    IRequestFor<Type> type = new TypeRequest(typeBuilder);
    // Request to create new instance
    IRequestFor<Object> newRequest = type.NewRequest();
    // Issue request to create type and instance
    object myInstance = service.GetRequired<object, object>(newRequest);
    // Print ToString()
    Console.WriteLine(myInstance.ToString());
    
    View complete request
    NewRequest
    └── Type = TypeRequest
        └── Key = ContextRequest
            ├── Key = "System.Reflection.Emit.TypeBuilder"
            ├── Value = TypeBuilderRequest
            │   ├── Name = "MyClass4"
            │   └── Attributes = AutoLayout, AnsiClass, Class, Public, AutoClass
            └── Requests[0] = BatchRequest
                ├── Requests[0] = Emit
                │   ├── Opcode = ldstr
                │   ├── Parameters[0] = "Hello World"
                │   └── ILGenerator = ILGeneratorRequest
                │       └── Builder = MethodBuilderRequest
                │           ├── Name = "ToString"
                │           ├── Attributes = PrivateScope, Public, Virtual, HideBySig
                │           └── ReturnType = System.String
                └── Requests[1] = Emit
                    ├── Opcode = ret
                    └── ILGenerator = ILGeneratorRequest
    

    Full Example

    Full example
    using System;
    using System.Reflection;
    using System.Reflection.Emit;
    using Avalanche.Emit;
    using Avalanche.Service;
    
    public class utilities
    {
        public static void Run()
        {
            {
                // <1>
                // Service that handles assembly builder, module builder and types
                IService service = Services.Create((ServiceHandlers.Instance, EmitHandlers.Instance), CachePolicies.Default);
                // Request to create type builder
                IRequestFor<TypeBuilder> typeBuilder = new TypeBuilderRequest("MyClass4", TypeAttributes.Public | TypeAttributes.Class | TypeAttributes.AutoClass);
                // Create request to override ToString()
                IRequest toString = ToStringRequest.Create("Hello World");
                // Add request to override ToString()
                typeBuilder = typeBuilder.Append(toString);
                // Request to complete type
                IRequestFor<Type> type = new TypeRequest(typeBuilder);
                // Request to create new instance
                IRequestFor<Object> newRequest = type.NewRequest();
                // Issue request to create type and instance
                object myInstance = service.GetRequired<object, object>(newRequest);
                // Print ToString()
                Console.WriteLine(myInstance.ToString());
                // </1>
                Console.WriteLine(newRequest.PrintTree());
            }
        }
    }
    
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    Back to top Copyright © Toni Kalajainen