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Programming language: C#
License: MIT License
Tags: Generation     Roslyn     Code     Compilers    
Latest version: v0.16.0

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README

Testura Logo

Testura.Code is a wrapper around the Roslyn API and used for generation, saving and compiling C# code. It provides methods and helpers to generate classes, methods, statements and expressions.

It provide helpers to generate:

  • Classes
  • Methods
  • Parameters
  • Arguments
  • Attributes
  • Fields
  • Properties

But also simple statements like:

  • Declaration statements (for example declare and assign variables)
  • Iterations statements (for example for-loop)
  • Jump statements (for example return)
  • Selection statement (for example if-statements)
  • Expression statements (for example invoke methods)

Install

NuGet NuGet Status

https://www.nuget.org/packages/Testura.Code

PM> Install-Package Testura.Code

Usage

Testura.Code have three different types of helpers:

  • Generators - The most basic kinds of code generators, for example fields, properties and modifiers.
  • Statement - Helpers for regular statements and expressions, for example declare and assign a variable or invoke a method.
  • Builders - Currently we have two builder - One class builder and one method builder. These have the highest abstraction and are easy to use.

Documentation

Examples

Hello world

Here is an example on how to generate, save and compile a simple hello world.

Generate

var @class = new ClassBuilder("Program", "HelloWorld")
    .WithUsings("System") 
    .WithModifiers(Modifiers.Public)
    .WithMethods(
        new MethodBuilder("Main")
        .WithModifiers(Modifiers.Public, Modifiers.Static)
        .WithParameters(new Parameter("args", typeof(string[])))
        .WithBody(
            BodyGenerator.Create(
                Statement.Expression.Invoke("Console", "WriteLine", new List<IArgument>() { new ValueArgument("Hello world") }).AsStatement(),
                Statement.Expression.Invoke("Console", "ReadLine").AsStatement()
                ))
        .Build())
    .Build();

This code will generate following code:

using System;

namespace HelloWorld
{
    public class Program
    {
        public static void Main(String[] args)
        {
            Console.WriteLine("Hello world");
            Console.ReadLine();
        }
    }
}

Save

var saver = new CodeSaver();

// As a string
var generatedCode = saver.SaveCodeAsString(@class);

// Or to file
saver.SaveCodeToFile(@class, @"/path/HelloWorld.cs");

Compile

var compiler = new Compiler();

//To a dll

// From string
var result = await compiler.CompileSourceAsync(@"/path/HelloWorld.dll", generatedCode);

// From file
var result = await compiler.CompileFilesAsync(@"/path/HelloWorld.dll",  @"/path/HelloWorld.cs");

//In memory (without creating a dll)

// From string
var result = await compiler.CompileSourceInMemoryAsync(generatedCode);

// From file
var result = await compiler.CompileFilesInMemoryAsync(@"/path/HelloWorld.cs");

Missing anything?

If we miss a feature, syntax or statements - just create an issue or contact us and I'm sure we can add it.

It is also possible for you to contribute with your own feature. Simply add a pull request and we will look at it.

License

This project is licensed under the MIT License. See the [LICENSE.md](LICENSE.md) file for details.

Contact

Visit www.testura.net, twitter at @testuranet or email at [email protected]


*Note that all licence references and agreements mentioned in the Testura.Code README section above are relevant to that project's source code only.