124 lines
3.9 KiB
C#
124 lines
3.9 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2018 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using System;
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using System.Linq;
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using System.Reflection;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.UtilityCommands
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{
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public class CheckExplicitInterfacesCommand : IUtilityCommand
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{
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string IUtilityCommand.Name { get { return "--check-explicit-interfaces"; } }
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bool IUtilityCommand.ValidateArguments(string[] args)
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{
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return args.Length == 1;
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}
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int violationCount;
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[Desc("Check for explicit interface implementation violations in all assemblies referenced by the specified mod.")]
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void IUtilityCommand.Run(Utility utility, string[] args)
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{
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var types = utility.ModData.ObjectCreator.GetTypes();
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foreach (var implementingType in types.Where(t => !t.IsInterface))
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{
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if (implementingType.IsEnum)
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continue;
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var interfaces = implementingType.GetInterfaces();
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foreach (var interfaceType in interfaces)
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{
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if (!interfaceType.HasAttribute<RequireExplicitImplementationAttribute>())
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continue;
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var interfaceMembers = interfaceType.GetMembers();
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foreach (var interfaceMember in interfaceMembers)
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{
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if (interfaceMember.Name.StartsWith("get_") || interfaceMember.Name.StartsWith("set_"))
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continue;
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var interfaceMethod = interfaceMember as MethodInfo;
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if (interfaceMethod != null)
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{
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var interfaceMethodParams = interfaceMethod.GetParameters();
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foreach (var implementingMethod in implementingType.GetMethods())
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{
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if (implementingMethod.Name != interfaceMethod.Name
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|| implementingMethod.ReturnType != interfaceMethod.ReturnType)
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continue;
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var implementingMethodParams = implementingMethod.GetParameters();
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var lenImpl = implementingMethodParams.Length;
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if (lenImpl != interfaceMethodParams.Length)
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continue;
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var allMatch = true;
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for (var i = 0; i < lenImpl; i++)
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{
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var implementingParam = implementingMethodParams[i];
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var interfaceParam = interfaceMethodParams[i];
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if (implementingParam.ParameterType != interfaceParam.ParameterType
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|| implementingParam.Name != interfaceParam.Name
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|| implementingParam.IsOut != interfaceParam.IsOut)
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{
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allMatch = false;
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break;
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}
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}
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// Explicitly implemented methods are never public in C#.
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if (allMatch && implementingMethod.IsPublic)
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OnViolation(implementingType, interfaceType, implementingMethod);
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}
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}
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var interfaceProperty = interfaceMember as PropertyInfo;
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if (interfaceProperty != null)
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{
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var implementingProperties = implementingType.GetProperties();
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foreach (var implementingProperty in implementingProperties)
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{
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if (implementingProperty.PropertyType != interfaceProperty.PropertyType
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|| implementingProperty.Name != interfaceProperty.Name)
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continue;
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if (!IsExplicitInterfaceProperty(implementingProperty))
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OnViolation(implementingType, interfaceType, implementingProperty);
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}
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}
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}
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}
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}
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if (violationCount > 0)
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{
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Console.WriteLine("Explicit interface violations: {0}", violationCount);
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Environment.Exit(1);
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}
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}
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static bool IsExplicitInterfaceProperty(PropertyInfo pi)
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{
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return pi.Name.Contains(".");
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}
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void OnViolation(Type implementor, Type interfaceType, MemberInfo violator)
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{
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Console.WriteLine("{0} must explicitly implement the interface member {1}.{2}", implementor.Name, interfaceType.Name, violator.Name);
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violationCount++;
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}
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}
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}
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