FluentInterface.tt

<#@ template debug="false" hostspecific="true" language="C#" #>
<#@ assembly name="System.Core" #>
<#@ assembly name="System.Xml" #>
<#@ import namespace="System.IO" #>
<#@ import namespace="System.Linq" #>
<#@ import namespace="System.Text" #>
<#@ import namespace="System.Collections.Generic" #>
<#@ import namespace="System.Reflection" #>
<#@ import namespace="System.Reflection.Emit" #>
<#@ import namespace="System.Xml.XPath" #>
<#@ output extension=".autogen.cs" #>
<#

var docFile = File.OpenRead(@"C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.5\mscorlib.xml");
var doc = new XPathDocument(docFile);
var nav = doc.CreateNavigator();
	
var methods =
typeof(ILGenerator).GetMethods(BindingFlags.Public | BindingFlags.Instance)
	.Where(method => method.Name == "Emit")
	.Select(method => new {
		Method = method,
		FullSignature = string.Join(", ", method.GetParameters().Select(param => param.ParameterType + " " + param.Name)),
		NameSignature = string.Join(", ", method.GetParameters().Select(param => param.Name)),
		TypeSignature = string.Join(",", method.GetParameters().Select(param => param.ParameterType))
	})
	.Select(method => new {
		method.FullSignature,
		method.NameSignature,
		Docs = string.Join("\r\n",
					nav.SelectSingleNode(@"//doc/members/member[@name=""M:" + method.Method.DeclaringType + "." + method.Method.Name + "(" + method.TypeSignature + @")""]")
						.InnerXml
						.Split(new [] {'\r', '\n'}, StringSplitOptions.RemoveEmptyEntries)
						.Select(str => str.Trim())
						.Select(str => "        /// " + str)
					)						
	});

docFile.Dispose(); // Can't use a 'using' block as we need to keep the anonymously-typed methods variable in scope!
#>
using System;
using System.Reflection;
using System.Reflection.Emit;

namespace ILGeneratorExtensions
{
	public static partial class FluentInterface
	{

#pragma warning disable 1584,1711,1572,1581,1580

<# foreach (var method in methods) { #>
<#= method.Docs #>
		/// <param name="generator">The <see cref="T:System.Reflection.Emit.ILGenerator" /> to emit instructions from</param>
		public static ILGenerator FluentEmit(this ILGenerator generator, <#= method.FullSignature #>)
        {
            generator.Emit(<#= method.NameSignature #>);
            return generator;
        }

<# } #>

#pragma warning restore 1584,1711,1572,1581,1580

    }
}