288 lines
10 KiB
C#
288 lines
10 KiB
C#
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/*
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Copyright (C) 2014-2019 de4dot@gmail.com
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This file is part of dnSpy
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dnSpy is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dnSpy is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Collections.ObjectModel;
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namespace dnSpy.Debugger.DotNet.Metadata {
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/// <summary>
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/// A .NET property
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/// </summary>
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public abstract class DmdPropertyInfo : DmdMemberInfo, IEquatable<DmdPropertyInfo?> {
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/// <summary>
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/// Gets the AppDomain
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/// </summary>
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public sealed override DmdAppDomain AppDomain => DeclaringType!.AppDomain;
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/// <summary>
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/// Gets the member type
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/// </summary>
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public sealed override DmdMemberTypes MemberType => DmdMemberTypes.Property;
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/// <summary>
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/// Gets the property type
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/// </summary>
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public abstract DmdType PropertyType { get; }
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/// <summary>
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/// Gets the property attributes
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/// </summary>
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public abstract DmdPropertyAttributes Attributes { get; }
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#pragma warning disable CS1591 // Missing XML comment for publicly visible type or member
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public bool IsSpecialName => (Attributes & DmdPropertyAttributes.SpecialName) != 0;
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public bool IsRTSpecialName => (Attributes & DmdPropertyAttributes.RTSpecialName) != 0;
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public bool HasDefault => (Attributes & DmdPropertyAttributes.HasDefault) != 0;
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#pragma warning restore CS1591 // Missing XML comment for publicly visible type or member
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/// <summary>
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/// true if the property can be read
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/// </summary>
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public bool CanRead => GetMethod is not null;
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/// <summary>
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/// true if the property can be written to
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/// </summary>
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public bool CanWrite => SetMethod is not null;
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/// <summary>
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/// Resolves a property reference
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/// </summary>
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/// <param name="throwOnError">true to throw if it doesn't exist, false to return null if it doesn't exist</param>
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/// <returns></returns>
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public sealed override DmdMemberInfo? ResolveMember(bool throwOnError) => this;
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/// <summary>
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/// Returns false since there are no property references
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/// </summary>
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public sealed override bool IsMetadataReference => false;
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/// <summary>
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/// Gets the constant stored in metadata
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/// </summary>
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/// <returns></returns>
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public abstract object? GetRawConstantValue();
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/// <summary>
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/// Gets all accessors
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/// </summary>
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/// <param name="nonPublic">true to include all accessors, false to only include public accessors</param>
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/// <returns></returns>
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public DmdMethodInfo[] GetAccessors(bool nonPublic) => GetAccessors(nonPublic ? DmdGetAccessorOptions.NonPublic : DmdGetAccessorOptions.None);
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/// <summary>
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/// Gets all accessors
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/// </summary>
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/// <param name="options">Options</param>
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/// <returns></returns>
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public abstract DmdMethodInfo[] GetAccessors(DmdGetAccessorOptions options);
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/// <summary>
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/// Gets the get method
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/// </summary>
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/// <param name="nonPublic">true to return any get method, false to only return a public get method</param>
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/// <returns></returns>
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public DmdMethodInfo? GetGetMethod(bool nonPublic) => GetGetMethod(nonPublic ? DmdGetAccessorOptions.NonPublic : DmdGetAccessorOptions.None);
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/// <summary>
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/// Gets the get method
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/// </summary>
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/// <param name="options">Options</param>
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/// <returns></returns>
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public abstract DmdMethodInfo? GetGetMethod(DmdGetAccessorOptions options);
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/// <summary>
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/// Gets the set method
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/// </summary>
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/// <param name="nonPublic">true to return any set method, false to only return a public set method</param>
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/// <returns></returns>
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public DmdMethodInfo? GetSetMethod(bool nonPublic) => GetSetMethod(nonPublic ? DmdGetAccessorOptions.NonPublic : DmdGetAccessorOptions.None);
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/// <summary>
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/// Gets the set method
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/// </summary>
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/// <param name="options">Options</param>
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/// <returns></returns>
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public abstract DmdMethodInfo? GetSetMethod(DmdGetAccessorOptions options);
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/// <summary>
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/// Gets the index parameters
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/// </summary>
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/// <returns></returns>
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public abstract ReadOnlyCollection<DmdParameterInfo> GetIndexParameters();
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/// <summary>
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/// Gets all required custom modifiers
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/// </summary>
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/// <returns></returns>
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public DmdType[] GetRequiredCustomModifiers() => DmdCustomModifierUtilities.GetModifiers(GetCustomModifiers(), requiredModifiers: true);
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/// <summary>
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/// Gets all optional custom modifiers
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/// </summary>
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/// <returns></returns>
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public DmdType[] GetOptionalCustomModifiers() => DmdCustomModifierUtilities.GetModifiers(GetCustomModifiers(), requiredModifiers: false);
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/// <summary>
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/// Gets all custom modifiers
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/// </summary>
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/// <returns></returns>
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public ReadOnlyCollection<DmdCustomModifier> GetCustomModifiers() => PropertyType.GetCustomModifiers();
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/// <summary>
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/// Gets all public accessors
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/// </summary>
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/// <returns></returns>
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public DmdMethodInfo[] GetAccessors() => GetAccessors(nonPublic: false);
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/// <summary>
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/// Gets the get method
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/// </summary>
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public DmdMethodInfo? GetMethod => GetGetMethod(nonPublic: true);
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/// <summary>
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/// Gets the set method
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/// </summary>
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public DmdMethodInfo? SetMethod => GetSetMethod(nonPublic: true);
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/// <summary>
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/// Gets the public get method
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/// </summary>
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/// <returns></returns>
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public DmdMethodInfo? GetGetMethod() => GetGetMethod(nonPublic: false);
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/// <summary>
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/// Gets the public set method
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/// </summary>
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/// <returns></returns>
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public DmdMethodInfo? GetSetMethod() => GetSetMethod(nonPublic: false);
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/// <summary>
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/// Gets the method signature
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/// </summary>
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/// <returns></returns>
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public abstract DmdMethodSignature GetMethodSignature();
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/// <summary>
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/// Gets the property value
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/// </summary>
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/// <param name="context">Evaluation context</param>
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/// <param name="obj">Instance or null if it's a static property</param>
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/// <returns></returns>
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public object? GetValue(object? context, object? obj) => GetValue(context, obj, null);
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/// <summary>
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/// Gets the property value
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/// </summary>
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/// <param name="context">Evaluation context</param>
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/// <param name="obj">Instance or null if it's a static property</param>
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/// <param name="index">Property indexes</param>
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/// <returns></returns>
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public object? GetValue(object? context, object? obj, object?[]? index) => GetValue(context, obj, DmdBindingFlags.Instance | DmdBindingFlags.Static | DmdBindingFlags.Public | DmdBindingFlags.NonPublic, index);
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/// <summary>
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/// Gets the property value
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/// </summary>
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/// <param name="context">Evaluation context</param>
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/// <param name="obj">Instance or null if it's a static property</param>
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/// <param name="invokeAttr">Binding flags</param>
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/// <param name="index">Property indexes</param>
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/// <returns></returns>
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public object? GetValue(object? context, object? obj, DmdBindingFlags invokeAttr, object?[]? index) {
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var method = GetGetMethod(nonPublic: true);
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if (method is null)
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throw new ArgumentException();
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return method.Invoke(context, obj, invokeAttr, index);
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}
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/// <summary>
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/// Writes a new property value
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/// </summary>
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/// <param name="context">Evaluation context</param>
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/// <param name="obj">Instance or null if it's a static property</param>
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/// <param name="value">New value</param>
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public void SetValue(object? context, object? obj, object? value) => SetValue(context, obj, value, null);
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/// <summary>
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/// Writes a new property value
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/// </summary>
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/// <param name="context">Evaluation context</param>
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/// <param name="obj">Instance or null if it's a static property</param>
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/// <param name="value">New value</param>
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/// <param name="index">Property indexes</param>
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public void SetValue(object? context, object? obj, object? value, object?[]? index) => SetValue(context, obj, value, DmdBindingFlags.Instance | DmdBindingFlags.Static | DmdBindingFlags.Public | DmdBindingFlags.NonPublic, index);
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/// <summary>
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/// Writes a new property value
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/// </summary>
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/// <param name="context">Evaluation context</param>
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/// <param name="obj">Instance or null if it's a static property</param>
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/// <param name="value">New value</param>
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/// <param name="invokeAttr">Binding flags</param>
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/// <param name="index">Property indexes</param>
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public void SetValue(object? context, object? obj, object? value, DmdBindingFlags invokeAttr, object?[]? index) {
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var method = GetSetMethod(nonPublic: true);
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if (method is null)
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throw new ArgumentException();
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object?[] parameters;
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if (index is null || index.Length == 0)
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parameters = new[] { value };
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else {
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parameters = new object[index.Length + 1];
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int i = 0;
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for (; i < index.Length; i++)
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parameters[i] = index[i];
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parameters[i] = value;
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}
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method.Invoke(context, obj, invokeAttr, parameters);
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}
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#pragma warning disable CS1591 // Missing XML comment for publicly visible type or member
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public static bool operator ==(DmdPropertyInfo? left, DmdPropertyInfo? right) => DmdMemberInfoEqualityComparer.DefaultMember.Equals(left, right);
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public static bool operator !=(DmdPropertyInfo? left, DmdPropertyInfo? right) => !DmdMemberInfoEqualityComparer.DefaultMember.Equals(left, right);
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#pragma warning restore CS1591 // Missing XML comment for publicly visible type or member
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/// <summary>
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/// Equals()
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/// </summary>
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/// <param name="other"></param>
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/// <returns></returns>
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public bool Equals(DmdPropertyInfo? other) => DmdMemberInfoEqualityComparer.DefaultMember.Equals(this, other);
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/// <summary>
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/// Equals()
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/// </summary>
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/// <param name="obj"></param>
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/// <returns></returns>
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public override bool Equals(object? obj) => Equals(obj as DmdPropertyInfo);
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/// <summary>
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/// GetHashCode()
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/// </summary>
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/// <returns></returns>
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public override int GetHashCode() => DmdMemberInfoEqualityComparer.DefaultMember.GetHashCode(this);
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/// <summary>
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/// ToString()
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/// </summary>
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/// <returns></returns>
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public sealed override string? ToString() => DmdMemberFormatter.Format(this);
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}
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}
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