using System;
using System.Linq.Expressions;
using System.Reflection;

namespace Google.Protobuf.Reflection
{
	// Token: 0x02000069 RID: 105
	internal static class ReflectionUtil
	{
		// Token: 0x060005F0 RID: 1520 RVA: 0x00014D2C File Offset: 0x00012F2C
		internal static Func<IMessage, object> CreateFuncIMessageObject(MethodInfo method)
		{
			ParameterExpression parameterExpression;
			return Expression.Lambda<Func<IMessage, object>>(Expression.Convert(Expression.Call(Expression.Convert(parameterExpression, method.DeclaringType), method), typeof(object)), new ParameterExpression[] { parameterExpression }).Compile();
		}

		// Token: 0x060005F1 RID: 1521 RVA: 0x00014D84 File Offset: 0x00012F84
		internal static Func<IMessage, T> CreateFuncIMessageT<T>(MethodInfo method)
		{
			ParameterExpression parameterExpression;
			return Expression.Lambda<Func<IMessage, T>>(Expression.Convert(Expression.Call(Expression.Convert(parameterExpression, method.DeclaringType), method), typeof(T)), new ParameterExpression[] { parameterExpression }).Compile();
		}

		// Token: 0x060005F2 RID: 1522 RVA: 0x00014DDC File Offset: 0x00012FDC
		internal static Action<IMessage, object> CreateActionIMessageObject(MethodInfo method)
		{
			ParameterExpression parameterExpression = Expression.Parameter(typeof(IMessage), "target");
			ParameterExpression parameterExpression2 = Expression.Parameter(typeof(object), "arg");
			Expression expression = Expression.Convert(parameterExpression, method.DeclaringType);
			Expression expression2 = Expression.Convert(parameterExpression2, method.GetParameters()[0].ParameterType);
			return Expression.Lambda<Action<IMessage, object>>(Expression.Call(expression, method, new Expression[] { expression2 }), new ParameterExpression[] { parameterExpression, parameterExpression2 }).Compile();
		}

		// Token: 0x060005F3 RID: 1523 RVA: 0x00014E5C File Offset: 0x0001305C
		internal static Action<IMessage> CreateActionIMessage(MethodInfo method)
		{
			ParameterExpression parameterExpression;
			return Expression.Lambda<Action<IMessage>>(Expression.Call(Expression.Convert(parameterExpression, method.DeclaringType), method), new ParameterExpression[] { parameterExpression }).Compile();
		}

		// Token: 0x0400025F RID: 607
		internal static readonly Type[] EmptyTypes = new Type[0];
	}
}