17684316232

Committed 12 Sep 2025 07:36PM UTC coverage: 34.302% (-0.02%) from 34.326%

Build # 17684316232

Build Type

push

github

Committed by

web-flow

Commit Message

Add some additional methods for working with concrete generics (#485)

Run Details

1791 of 6592 branches covered (27.17%)

Branch coverage included in aggregate %.

0 of 8 new or added lines in 3 files covered. (0.0%)

1 existing line in 1 file now uncovered.

4191 of 10847 relevant lines covered (38.64%)

180612.93 hits per line

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50.57

/Cpp2IL.Core/Model/Contexts/FieldAnalysisContext.cs

using System;
using System.Collections.Generic;
using System.Reflection;
using Cpp2IL.Core.Utils;
using LibCpp2IL.BinaryStructures;
using LibCpp2IL.Reflection;
using StableNameDotNet.Providers;

namespace Cpp2IL.Core.Model.Contexts;

/// <summary>
/// Represents a field in a managed type.
/// </summary>
public class FieldAnalysisContext : HasCustomAttributesAndName, IFieldInfoProvider
{
    /// <summary>
    /// The analysis context for the type that this field belongs to.
    /// </summary>
    public readonly TypeAnalysisContext DeclaringType;

    /// <summary>
    /// The underlying field metadata.
    /// </summary>
    public readonly Il2CppFieldReflectionData? BackingData;

    protected override int CustomAttributeIndex => BackingData?.Field.customAttributeIndex ?? -1;

    public override AssemblyAnalysisContext CustomAttributeAssembly => DeclaringType.DeclaringAssembly;

    public override string DefaultName => BackingData?.Field.Name!;

    private Il2CppType? RawFieldType => BackingData?.Field.RawFieldType;

    public virtual FieldAttributes DefaultAttributes => BackingData?.Attributes ?? throw new($"Subclass must override {nameof(DefaultAttributes)}");

    public virtual FieldAttributes? OverrideAttributes { get; set; }

    public FieldAttributes Attributes => OverrideAttributes ?? DefaultAttributes;

    public bool IsStatic => (Attributes & FieldAttributes.Static) != 0;

    public virtual object? DefaultConstantValue => BackingData?.Field.DefaultValue?.Value;

    public virtual object? OverrideConstantValue { get; set; }

    public object? ConstantValue => OverrideConstantValue ?? DefaultConstantValue;

    public int Offset => BackingData == null ? 0 : AppContext.Binary.GetFieldOffsetFromIndex(DeclaringType.Definition!.TypeIndex, BackingData.IndexInParent, BackingData.Field.FieldIndex, DeclaringType.Definition.IsValueType, IsStatic);

    public virtual TypeAnalysisContext DefaultFieldType => DeclaringType.DeclaringAssembly.ResolveIl2CppType(RawFieldType)
                                                           ?? throw new($"Field type {RawFieldType} could not be resolved.");

    public TypeAnalysisContext? OverrideFieldType { get; set; }

    public TypeAnalysisContext FieldType => OverrideFieldType ?? DefaultFieldType;

    public virtual byte[] DefaultStaticArrayInitialValue => BackingData?.Field.StaticArrayInitialValue ?? [];

    public virtual byte[]? OverrideStaticArrayInitialValue { get; set; }

    public byte[] StaticArrayInitialValue => OverrideStaticArrayInitialValue ?? DefaultStaticArrayInitialValue;

    public FieldAttributes Visibility
    {
        get
        {
            return Attributes & FieldAttributes.FieldAccessMask;
        }
        set
        {
            OverrideAttributes = (Attributes & ~FieldAttributes.FieldAccessMask) | (value & FieldAttributes.FieldAccessMask);
        }
    }


    public FieldAnalysisContext(Il2CppFieldReflectionData? backingData, TypeAnalysisContext parent) : base(backingData?.Field.token ?? 0, parent.AppContext)
    {
        DeclaringType = parent;
        BackingData = backingData;

        if (BackingData != null)
            InitCustomAttributeData();
    }

    public ConcreteGenericFieldAnalysisContext MakeConcreteGenericField(params IEnumerable<TypeAnalysisContext> typeGenericParameters)
    {
        if (this is ConcreteGenericFieldAnalysisContext)
        {
            throw new InvalidOperationException($"Attempted to make a {nameof(ConcreteGenericFieldAnalysisContext)} concrete: {this}");
        }
        else
        {
            return new ConcreteGenericFieldAnalysisContext(this, typeGenericParameters);
        }
    }

    public override string ToString() => $"Field: {DeclaringType.Definition?.Name}::{BackingData?.Field.Name}";

    #region StableNameDotNet

    ITypeInfoProvider IFieldInfoProvider.FieldTypeInfoProvider
        => GetGenericParamName(FieldType) is { } name
            ? new GenericParameterTypeInfoProviderWrapper(name)
            : TypeAnalysisContext.GetSndnProviderForType(AppContext, RawFieldType!);

    string IFieldInfoProvider.FieldName => Name;

    FieldAttributes IFieldInfoProvider.FieldAttributes => Attributes;

    private static string? GetGenericParamName(TypeAnalysisContext type) => type switch
    {
        GenericParameterTypeAnalysisContext genericParam => genericParam.Name,
        WrappedTypeAnalysisContext wrapped => GetGenericParamName(wrapped.ElementType),
        _ => null
    };

    #endregion
}

1	using System;
2	using System.Collections.Generic;
3	using System.Reflection;
4	using Cpp2IL.Core.Utils;
5	using LibCpp2IL.BinaryStructures;
6	using LibCpp2IL.Reflection;
7	using StableNameDotNet.Providers;
8
9	namespace Cpp2IL.Core.Model.Contexts;
10
11	/// <summary>
12	/// Represents a field in a managed type.
13	/// </summary>
14	public class FieldAnalysisContext : HasCustomAttributesAndName, IFieldInfoProvider
15	{
16	/// <summary>
17	/// The analysis context for the type that this field belongs to.
18	/// </summary>
19	public readonly TypeAnalysisContext DeclaringType;
20
21	/// <summary>
22	/// The underlying field metadata.
23	/// </summary>
24	public readonly Il2CppFieldReflectionData? BackingData;
25
26	protected override int CustomAttributeIndex => BackingData?.Field.customAttributeIndex ?? -1;	247,359!
27
28	public override AssemblyAnalysisContext CustomAttributeAssembly => DeclaringType.DeclaringAssembly;	653,604✔
29
30	public override string DefaultName => BackingData?.Field.Name!;	58,895!
31
32	private Il2CppType? RawFieldType => BackingData?.Field.RawFieldType;	58,895!
33
34	public virtual FieldAttributes DefaultAttributes => BackingData?.Attributes ?? throw new($"Subclass must override {nameof(DefaultAttributes)}");	59,155!
35
36	public virtual FieldAttributes? OverrideAttributes { get; set; }	59,155✔
37
38	public FieldAttributes Attributes => OverrideAttributes ?? DefaultAttributes;	59,155!
39
40	public bool IsStatic => (Attributes & FieldAttributes.Static) != 0;	260✔
41
42	public virtual object? DefaultConstantValue => BackingData?.Field.DefaultValue?.Value;	21,365!
43
44	public virtual object? OverrideConstantValue { get; set; }	21,365✔
45
46	public object? ConstantValue => OverrideConstantValue ?? DefaultConstantValue;	21,365✔
47
48	public int Offset => BackingData == null ? 0 : AppContext.Binary.GetFieldOffsetFromIndex(DeclaringType.Definition!.TypeIndex, BackingData.IndexInParent, BackingData.Field.FieldIndex, DeclaringType.Definition.IsValueType, IsStatic);	×
49
50	public virtual TypeAnalysisContext DefaultFieldType => DeclaringType.DeclaringAssembly.ResolveIl2CppType(RawFieldType)	58,895!
51	?? throw new($"Field type {RawFieldType} could not be resolved.");	58,895✔
52
53	public TypeAnalysisContext? OverrideFieldType { get; set; }	58,896✔
54
55	public TypeAnalysisContext FieldType => OverrideFieldType ?? DefaultFieldType;	58,896✔
56
57	public virtual byte[] DefaultStaticArrayInitialValue => BackingData?.Field.StaticArrayInitialValue ?? [];	540!
58
59	public virtual byte[]? OverrideStaticArrayInitialValue { get; set; }	540✔
60
61	public byte[] StaticArrayInitialValue => OverrideStaticArrayInitialValue ?? DefaultStaticArrayInitialValue;	540✔
62
63	public FieldAttributes Visibility
64	{
65	get
66	{
67	return Attributes & FieldAttributes.FieldAccessMask;	×
68	}
69	set
70	{
71	OverrideAttributes = (Attributes & ~FieldAttributes.FieldAccessMask) \| (value & FieldAttributes.FieldAccessMask);	×
72	}	×
73	}
74
75
76	public FieldAnalysisContext(Il2CppFieldReflectionData? backingData, TypeAnalysisContext parent) : base(backingData?.Field.token ?? 0, parent.AppContext)	300,363✔
77	{
78	DeclaringType = parent;	300,363✔
79	BackingData = backingData;	300,363✔
80
81	if (BackingData != null)	300,363✔
82	InitCustomAttributeData();	300,321✔
83	}	300,363✔
84
85	public ConcreteGenericFieldAnalysisContext MakeConcreteGenericField(params IEnumerable<TypeAnalysisContext> typeGenericParameters)
86	{
NEW 87	if (this is ConcreteGenericFieldAnalysisContext)	×
88	{
NEW 89	throw new InvalidOperationException($"Attempted to make a {nameof(ConcreteGenericFieldAnalysisContext)} concrete: {this}");	×
90	}
91	else
92	{
NEW 93	return new ConcreteGenericFieldAnalysisContext(this, typeGenericParameters);	×
94	}
95	}
96
UNCOV 97	public override string ToString() => $"Field: {DeclaringType.Definition?.Name}::{BackingData?.Field.Name}";	×
98
99	#region StableNameDotNet
100
101	ITypeInfoProvider IFieldInfoProvider.FieldTypeInfoProvider
102	=> GetGenericParamName(FieldType) is { } name	×
103	? new GenericParameterTypeInfoProviderWrapper(name)	×
104	: TypeAnalysisContext.GetSndnProviderForType(AppContext, RawFieldType!);	×
105
106	string IFieldInfoProvider.FieldName => Name;	×
107
108	FieldAttributes IFieldInfoProvider.FieldAttributes => Attributes;	×
109
110	private static string? GetGenericParamName(TypeAnalysisContext type) => type switch	×
111	{	×
112	GenericParameterTypeAnalysisContext genericParam => genericParam.Name,	×
113	WrappedTypeAnalysisContext wrapped => GetGenericParamName(wrapped.ElementType),	×
114	_ => null	×
115	};	×
116
117	#endregion
118	}

SamboyCoding / Cpp2IL / 17684316232

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