FreeSql/Extensions/FreeSql.Extensions.LazyLoading/LazyLoadingComplier.cs

using Microsoft.CSharp;
using System;
using System.CodeDom.Compiler;
using System.Collections.Generic;
using System.Reflection;
using System.Text;

namespace FreeSql.Extensions.LazyLoading {

	public class LazyLoadingComplier {

#if ns20
		internal static Lazy<CSScriptLib.RoslynEvaluator> _compiler = new Lazy<CSScriptLib.RoslynEvaluator>(() => {
			//var dlls = Directory.GetFiles(Directory.GetParent(Type.GetType("IFreeSql, FreeSql").Assembly.Location).FullName, "*.dll");
			var compiler = new CSScriptLib.RoslynEvaluator();
			compiler.DisableReferencingFromCode = false;
			//compiler.DebugBuild = true;
			//foreach (var dll in dlls) {
			//	Console.WriteLine(dll);
			//	var ass = Assembly.LoadFile(dll);
			//	compiler.ReferenceAssembly(ass);
			//}
			compiler
				.ReferenceAssemblyOf<IFreeSql>()
				.ReferenceDomainAssemblies();
			return compiler;
		});

		public static Assembly CompileCode(string cscode) {
			return _compiler.Value.CompileCode(cscode);
		}
#else


		public static Assembly CompileCode(string cscode) {

			using (var compiler = CodeDomProvider.CreateProvider("cs")) {

				var objCompilerParameters = new CompilerParameters();
				objCompilerParameters.ReferencedAssemblies.Add("System.dll");
				objCompilerParameters.ReferencedAssemblies.Add("FreeSql.dll");
				objCompilerParameters.GenerateExecutable = false;
				objCompilerParameters.GenerateInMemory = true;

				CompilerResults cr = compiler.CompileAssemblyFromSource(objCompilerParameters, cscode);

				if (cr.Errors.Count > 0)
					throw new Exception(cr.Errors[0].ErrorText);

				return cr.CompiledAssembly;
			}
		}

#endif
	}
}