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Model: Implement various generic method properties

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Katy Coe
2020-02-01 23:42:51 +01:00
parent f04604edc7
commit e60f1ef89b
3 changed files with 34 additions and 25 deletions
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42
Il2CppInspector/Reflection/MethodBase.cs
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@@ -1,5 +1,5 @@
/*
Copyright 2017-2019 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com
Copyright 2017-2020 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com
All rights reserved.
*/
@@ -9,7 +9,6 @@ using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Text.RegularExpressions;
namespace Il2CppInspector.Reflection
{
@@ -23,13 +22,9 @@ namespace Il2CppInspector.Reflection
// Information/flags about the method
public MethodAttributes Attributes { get; protected set; }
// True if the method contains unresolved generic type parameters
public bool ContainsGenericParameters { get; }
// Custom attributes for this member
public override IEnumerable<CustomAttributeData> CustomAttributes => CustomAttributeData.GetCustomAttributes(this);
public List<TypeInfo> GenericTypeParameters { get; } // System.Reflection.MethodInfo.GetGenericArguments()
public List<ParameterInfo> DeclaredParameters { get; } = new List<ParameterInfo>();
public bool IsAbstract => (Attributes & MethodAttributes.Abstract) == MethodAttributes.Abstract;
@@ -39,8 +34,6 @@ namespace Il2CppInspector.Reflection
public bool IsFamilyAndAssembly => (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.FamANDAssem;
public bool IsFamilyOrAssembly => (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.FamORAssem;
public bool IsFinal => (Attributes & MethodAttributes.Final) == MethodAttributes.Final;
public bool IsGenericMethod { get; }
public bool IsGenericMethodDefinition { get; }
public bool IsHideBySig => (Attributes & MethodAttributes.HideBySig) == MethodAttributes.HideBySig;
public bool IsPrivate => (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Private;
public bool IsPublic => (Attributes & MethodAttributes.MemberAccessMask) == MethodAttributes.Public;
@@ -50,6 +43,25 @@ namespace Il2CppInspector.Reflection
public virtual bool RequiresUnsafeContext => DeclaredParameters.Any(p => p.ParameterType.RequiresUnsafeContext);
// True if the method contains unresolved generic type parameters, or if it is a non-generic method in an open ganeric type
// See: https://docs.microsoft.com/en-us/dotnet/api/system.reflection.methodbase.containsgenericparameters?view=netframework-4.8
public bool ContainsGenericParameters => DeclaringType.ContainsGenericParameters || genericArguments.Any(ga => ga.ContainsGenericParameters);
// For a generic method definition: the list of generic type parameters
// For an open generic method: a mix of generic type parameters and generic type arguments
// For a closed generic method: the list of generic type arguments
private readonly List<TypeInfo> genericArguments = new List<TypeInfo>();
// See: https://docs.microsoft.com/en-us/dotnet/api/system.reflection.methodbase.getgenericarguments?view=netframework-4.8
public List<TypeInfo> GetGenericArguments() => genericArguments;
// This was added in .NET Core 2.1 and isn't properly documented yet
public bool IsConstructedGenericMethod => genericArguments.All(ga => !ga.ContainsGenericParameters);
// See: https://docs.microsoft.com/en-us/dotnet/api/system.reflection.methodbase.isgenericmethod?view=netframework-4.8
public bool IsGenericMethod { get; }
public bool IsGenericMethodDefinition => genericArguments.Any() && genericArguments.All(a => a.IsGenericTypeParameter);
// TODO: GetMethodBody()
public string CSharpName =>
@@ -85,13 +97,11 @@ namespace Il2CppInspector.Reflection
// Generic method definition?
if (Definition.genericContainerIndex >= 0) {
IsGenericMethod = true;
IsGenericMethodDefinition = true;
ContainsGenericParameters = true;
// Store the generic type parameters for later instantiation
var container = pkg.GenericContainers[Definition.genericContainerIndex];
GenericTypeParameters = pkg.GenericParameters.Skip((int)container.genericParameterStart).Take(container.type_argc).Select(p => new TypeInfo(this, p)).ToList();
genericArguments = pkg.GenericParameters.Skip((int)container.genericParameterStart).Take(container.type_argc).Select(p => new TypeInfo(this, p)).ToList();
}
// Set method attributes
@@ -191,11 +201,11 @@ namespace Il2CppInspector.Reflection
public string GetParametersString(Scope usingScope, bool emitPointer = false, bool commentAttributes = false)
=> string.Join(", ", DeclaredParameters.Select(p => p.GetParameterString(usingScope, emitPointer, commentAttributes)));
public string GetTypeParametersString(Scope usingScope) => GenericTypeParameters == null? "" :
"<" + string.Join(", ", GenericTypeParameters.Select(p => p.GetScopedCSharpName(usingScope))) + ">";
public string GetTypeParametersString(Scope usingScope) => !GetGenericArguments().Any()? "" :
"<" + string.Join(", ", GetGenericArguments().Select(p => p.GetScopedCSharpName(usingScope))) + ">";
public string GetFullTypeParametersString() => GenericTypeParameters == null? "" :
"[" + string.Join(",", GenericTypeParameters.Select(p => p.FullName ?? p.Name)) + "]";
public string GetFullTypeParametersString() => !GetGenericArguments().Any()? "" :
"[" + string.Join(",", GetGenericArguments().Select(p => p.FullName ?? p.Name)) + "]";
public abstract string GetSignatureString();