199 lines
7.9 KiB
C#
199 lines
7.9 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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using dnSpy.Debugger.DotNet.Metadata.Impl;
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namespace dnSpy.Debugger.DotNet.Metadata {
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/// <summary>
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/// A .NET method parameter
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/// </summary>
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public abstract class DmdParameterInfo : DmdObject, IDmdCustomAttributeProvider, IEquatable<DmdParameterInfo?> {
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/// <summary>
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/// Dummy abstract method to make sure no-one outside this assembly can create their own <see cref="DmdParameterInfo"/>
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/// </summary>
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private protected abstract void YouCantDeriveFromThisClass();
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/// <summary>
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/// Gets the parameter type
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/// </summary>
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public abstract DmdType ParameterType { get; }
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/// <summary>
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/// Gets the parameter name
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/// </summary>
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public abstract string? Name { get; }
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/// <summary>
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/// true if <see cref="RawDefaultValue"/> is valid
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/// </summary>
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public abstract bool HasDefaultValue { get; }
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/// <summary>
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/// Gets the default value, see also <see cref="HasDefaultValue"/>
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/// </summary>
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public abstract object? RawDefaultValue { get; }
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/// <summary>
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/// Gets the parameter index
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/// </summary>
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public abstract int Position { get; }
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/// <summary>
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/// Gets the parameter attributes
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/// </summary>
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public abstract DmdParameterAttributes 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 IsIn => (Attributes & DmdParameterAttributes.In) != 0;
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public bool IsOut => (Attributes & DmdParameterAttributes.Out) != 0;
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public bool IsLcid => (Attributes & DmdParameterAttributes.Lcid) != 0;
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public bool IsRetval => (Attributes & DmdParameterAttributes.Retval) != 0;
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public bool IsOptional => (Attributes & DmdParameterAttributes.Optional) != 0;
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public bool HasDefault => (Attributes & DmdParameterAttributes.HasDefault) != 0;
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public bool HasFieldMarshal => (Attributes & DmdParameterAttributes.HasFieldMarshal) != 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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/// Gets the owner method or property
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/// </summary>
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public abstract DmdMemberInfo Member { get; }
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/// <summary>
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/// true if this is not the real method parameter since the declaring method is just a reference.
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/// Resolve the method to get the real method parameters.
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/// </summary>
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public bool IsMetadataReference => Member.IsMetadataReference;
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/// <summary>
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/// Gets the metadata token
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/// </summary>
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public abstract int MetadataToken { get; }
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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() => ParameterType.GetCustomModifiers();
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/// <summary>
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/// Gets the custom attributes
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/// </summary>
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public ReadOnlyCollection<DmdCustomAttributeData> CustomAttributes => GetCustomAttributesData();
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/// <summary>
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/// Gets the custom attributes
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/// </summary>
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/// <returns></returns>
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public abstract ReadOnlyCollection<DmdCustomAttributeData> GetCustomAttributesData();
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/// <summary>
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/// Checks if a custom attribute is present
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/// </summary>
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/// <param name="attributeTypeFullName">Full name of the custom attribute type</param>
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/// <param name="inherit">true to check custom attributes in all base classes</param>
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/// <returns></returns>
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public bool IsDefined(string attributeTypeFullName, bool inherit) => CustomAttributesHelper.IsDefined(GetCustomAttributesData(), attributeTypeFullName);
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/// <summary>
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/// Checks if a custom attribute is present
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/// </summary>
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/// <param name="attributeType">Custom attribute type</param>
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/// <param name="inherit">true to check custom attributes in all base classes</param>
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/// <returns></returns>
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public bool IsDefined(DmdType? attributeType, bool inherit) => CustomAttributesHelper.IsDefined(GetCustomAttributesData(), attributeType);
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/// <summary>
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/// Checks if a custom attribute is present
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/// </summary>
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/// <param name="attributeType">Custom attribute type</param>
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/// <param name="inherit">true to check custom attributes in all base classes</param>
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/// <returns></returns>
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public bool IsDefined(Type attributeType, bool inherit) => CustomAttributesHelper.IsDefined(GetCustomAttributesData(), DmdTypeUtilities.ToDmdType(attributeType, Member.AppDomain));
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/// <summary>
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/// Finds a custom attribute
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/// </summary>
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/// <param name="attributeTypeFullName">Full name of the custom attribute type</param>
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/// <param name="inherit">true to check custom attributes in all base classes</param>
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/// <returns></returns>
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public DmdCustomAttributeData? FindCustomAttribute(string attributeTypeFullName, bool inherit) => CustomAttributesHelper.Find(GetCustomAttributesData(), attributeTypeFullName);
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/// <summary>
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/// Finds a custom attribute
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/// </summary>
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/// <param name="attributeType">Custom attribute type</param>
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/// <param name="inherit">true to check custom attributes in all base classes</param>
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/// <returns></returns>
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public DmdCustomAttributeData? FindCustomAttribute(DmdType? attributeType, bool inherit) => CustomAttributesHelper.Find(GetCustomAttributesData(), attributeType);
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/// <summary>
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/// Finds a custom attribute
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/// </summary>
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/// <param name="attributeType">Custom attribute type</param>
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/// <param name="inherit">true to check custom attributes in all base classes</param>
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/// <returns></returns>
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public DmdCustomAttributeData? FindCustomAttribute(Type attributeType, bool inherit) => CustomAttributesHelper.Find(GetCustomAttributesData(), DmdTypeUtilities.ToDmdType(attributeType, Member.AppDomain));
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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 ==(DmdParameterInfo? left, DmdParameterInfo? right) => DmdMemberInfoEqualityComparer.DefaultParameter.Equals(left, right);
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public static bool operator !=(DmdParameterInfo? left, DmdParameterInfo? right) => !DmdMemberInfoEqualityComparer.DefaultParameter.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(DmdParameterInfo? other) => DmdMemberInfoEqualityComparer.DefaultParameter.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 DmdParameterInfo);
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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.DefaultParameter.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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