18693676721

Committed 21 Oct 2025 06:22PM UTC coverage: 34.331% (+0.02%) from 34.31%

Build # 18693676721

Build Type

Pull #494

github

Committed by

web-flow

Commit Message

Merge 0497b84c8 into e66a74bb3

Pull Request Pull Request #494: Interface methods should not have a base method

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Branch coverage included in aggregate %.

2 of 3 new or added lines in 2 files covered. (66.67%)

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54.55

/Cpp2IL.Core/Model/Contexts/MethodAnalysisContext.cs

using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Linq;
using System.Reflection;
using Cpp2IL.Core.Graphs;
using Cpp2IL.Core.Graphs.Processors;
using Cpp2IL.Core.ISIL;
using Cpp2IL.Core.Logging;
using Cpp2IL.Core.Utils;
using LibCpp2IL;
using LibCpp2IL.Metadata;
using StableNameDotNet.Providers;

namespace Cpp2IL.Core.Model.Contexts;

/// <summary>
/// Represents one method within the application. Can be analyzed to attempt to reconstruct the function body.
/// </summary>
public class MethodAnalysisContext : HasGenericParameters, IMethodInfoProvider
{
    /// <summary>
    /// The underlying metadata for the method.
    ///
    /// Nullable iff this is a subclass.
    /// </summary>
    public readonly Il2CppMethodDefinition? Definition;

    /// <summary>
    /// The analysis context for the declaring type of this method.
    /// </summary>
    public readonly TypeAnalysisContext? DeclaringType;

    /// <summary>
    /// The address of this method as defined in the underlying metadata.
    /// </summary>
    public virtual ulong UnderlyingPointer => Definition?.MethodPointer ?? throw new("Subclasses of MethodAnalysisContext should override UnderlyingPointer");

    public ulong Rva => UnderlyingPointer == 0 || LibCpp2IlMain.Binary == null ? 0 : LibCpp2IlMain.Binary.GetRva(UnderlyingPointer);

    /// <summary>
    /// The raw method body as machine code in the active instruction set.
    /// </summary>
    public Memory<byte> RawBytes => rawMethodBody ??= InitRawBytes();

    /// <summary>
    /// The first-stage-analyzed Instruction-Set-Independent Language Instructions.
    /// </summary>
    public List<InstructionSetIndependentInstruction>? ConvertedIsil;

    /// <summary>
    /// The control flow graph for this method, if one is built.
    /// </summary>
    public ISILControlFlowGraph? ControlFlowGraph;

    public List<ParameterAnalysisContext> Parameters = [];

    /// <summary>
    /// Does this method return void?
    /// </summary>
    public bool IsVoid => ReturnType == AppContext.SystemTypes.SystemVoidType;

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

    public bool IsVirtual => (Attributes & MethodAttributes.Virtual) != 0;

    public bool IsAbstract => (Attributes & MethodAttributes.Abstract) != 0;

    public bool IsNewSlot => (Attributes & MethodAttributes.NewSlot) != 0;

    protected override int CustomAttributeIndex => Definition?.customAttributeIndex ?? throw new("Subclasses of MethodAnalysisContext should override CustomAttributeIndex if they have custom attributes");

    public override AssemblyAnalysisContext CustomAttributeAssembly => DeclaringType?.DeclaringAssembly ?? throw new("Subclasses of MethodAnalysisContext should override CustomAttributeAssembly if they have custom attributes");

    public override string DefaultName => Definition?.Name ?? throw new("Subclasses of MethodAnalysisContext should override DefaultName");

    public string FullName => DeclaringType == null ? Name : $"{DeclaringType.FullName}::{Name}";

    public string FullNameWithSignature => $"{ReturnType.FullName} {FullName}({string.Join(", ", Parameters.Select(p => p.HumanReadableSignature))})";

    public virtual MethodAttributes DefaultAttributes => Definition?.Attributes ?? throw new($"Subclasses of MethodAnalysisContext should override {nameof(DefaultAttributes)}");

    public virtual MethodAttributes? OverrideAttributes { get; set; }

    public MethodAttributes Attributes => OverrideAttributes ?? DefaultAttributes;

    public virtual MethodImplAttributes DefaultImplAttributes => Definition?.MethodImplAttributes ?? throw new($"Subclasses of MethodAnalysisContext should override {nameof(DefaultImplAttributes)}");

    public virtual MethodImplAttributes? OverrideImplAttributes { get; set; }

    public MethodImplAttributes ImplAttributes => OverrideImplAttributes ?? DefaultImplAttributes;

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

    private List<GenericParameterTypeAnalysisContext>? _genericParameters;
    public override List<GenericParameterTypeAnalysisContext> GenericParameters
    {
        get
        {
            // Lazy load the generic parameters
            _genericParameters ??= Definition?.GenericContainer?.GenericParameters.Select(p => new GenericParameterTypeAnalysisContext(p, this)).ToList() ?? [];
            return _genericParameters;
        }
    }

    private ushort Slot => Definition?.slot ?? ushort.MaxValue;

    public virtual TypeAnalysisContext DefaultReturnType => DeclaringType?.DeclaringAssembly.ResolveIl2CppType(Definition?.RawReturnType) ?? throw new($"Subclasses of MethodAnalysisContext should override {nameof(DefaultReturnType)}");

    public TypeAnalysisContext? OverrideReturnType { get; set; }

    //TODO Support custom attributes on return types (v31 feature)
    public TypeAnalysisContext ReturnType => OverrideReturnType ?? DefaultReturnType;
    
    protected Memory<byte>? rawMethodBody;

    public MethodAnalysisContext? BaseMethod => Overrides.FirstOrDefault(m => m.DeclaringType?.IsInterface is false);

    /// <summary>
    /// The set of methods which this method overrides.
    /// </summary>
    public virtual IEnumerable<MethodAnalysisContext> Overrides
    {
        get
        {
            if (Definition == null)
                return [];

            var declaringTypeDefinition = DeclaringType?.Definition;
            if (declaringTypeDefinition == null)
                return [];

            var vtable = declaringTypeDefinition.VTable;
            if (vtable == null)
                return [];

            return GetOverriddenMethods(declaringTypeDefinition, vtable);

            bool TryGetMethodForSlot(TypeAnalysisContext declaringType, int slot, [NotNullWhen(true)] out MethodAnalysisContext? method)
            {
                if (declaringType is GenericInstanceTypeAnalysisContext genericInstanceType)
                {
                    var genericMethod = genericInstanceType.GenericType.Methods.FirstOrDefault(m => m.Slot == slot);
                    if (genericMethod is not null)
                    {
                        method = new ConcreteGenericMethodAnalysisContext(genericMethod, genericInstanceType.GenericArguments, []);
                        return true;
                    }
                }
                else
                {
                    var baseMethod = declaringType.Methods.FirstOrDefault(m => m.Slot == slot);
                    if (baseMethod is not null)
                    {
                        method = baseMethod;
                        return true;
                    }
                }

                method = null;
                return false;
            }

            IEnumerable<MethodAnalysisContext> GetOverriddenMethods(Il2CppTypeDefinition declaringTypeDefinition, MetadataUsage?[] vtable)
            {
                for (var i = 0; i < vtable.Length; ++i)
                {
                    var vtableEntry = vtable[i];
                    if (vtableEntry is null or { Type: not MetadataUsageType.MethodDef })
                        continue;

                    if (vtableEntry.AsMethod() != Definition)
                        continue;

                    // Normal inheritance
                    var baseType = DeclaringType?.BaseType;
                    while (baseType is not null)
                    {
                        if (TryGetMethodForSlot(baseType, i, out var method))
                        {
                            yield return method;
                            break; // We only want direct overrides, not the entire inheritance chain.
                        }
                        baseType = baseType.BaseType;
                    }

                    // Interface inheritance
                    foreach (var interfaceOffset in declaringTypeDefinition.InterfaceOffsets)
                    {
                        if (i >= interfaceOffset.offset)
                        {
                            var interfaceTypeContext = interfaceOffset.Type.ToContext(CustomAttributeAssembly);
                            if (interfaceTypeContext != null && TryGetMethodForSlot(interfaceTypeContext, i - interfaceOffset.offset, out var method))
                            {
                                yield return method;
                            }
                        }
                    }
                }
            }
        }
    }

    private static readonly List<IBlockProcessor> blockProcessors =
    [
        new MetadataProcessor(),
        new CallProcessor()
    ];

    public MethodAnalysisContext(Il2CppMethodDefinition? definition, TypeAnalysisContext parent) : base(definition?.token ?? 0, parent.AppContext)
    {
        DeclaringType = parent;
        Definition = definition;

        if (Definition != null)
        {
            InitCustomAttributeData();

            for (var i = 0; i < Definition.InternalParameterData!.Length; i++)
            {
                var parameterDefinition = Definition.InternalParameterData![i];
                Parameters.Add(new(parameterDefinition, i, this));
            }
        }
        else
            rawMethodBody = Array.Empty<byte>();
    }

    [MemberNotNull(nameof(rawMethodBody))]
    public void EnsureRawBytes()
    {
        rawMethodBody ??= InitRawBytes();
    }

    private Memory<byte> InitRawBytes()
    {
        //Some abstract methods (on interfaces, no less) apparently have a body? Unity doesn't support default interface methods so idk what's going on here.
        //E.g. UnityEngine.Purchasing.AppleCore.dll: UnityEngine.Purchasing.INativeAppleStore::SetUnityPurchasingCallback on among us (itch.io build)
        if (Definition != null && Definition.MethodPointer != 0 && !Definition.Attributes.HasFlag(MethodAttributes.Abstract))
        {
            var ret = AppContext.InstructionSet.GetRawBytesForMethod(this, false);

            if (ret.Length == 0)
            {
                Logger.VerboseNewline("\t\t\tUnexpectedly got 0-byte method body for " + this + $". Pointer was 0x{Definition.MethodPointer:X}", "MAC");
            }

            return ret;
        }
        else
            return Array.Empty<byte>();
    }

    protected MethodAnalysisContext(ApplicationAnalysisContext context) : base(0, context)
    {
        rawMethodBody = Array.Empty<byte>();
    }

    [MemberNotNull(nameof(ConvertedIsil))]
    public void Analyze()
    {
        if (ConvertedIsil != null)
            return;

        if (UnderlyingPointer == 0)
        {
            ConvertedIsil = [];
            return;
        }

        ConvertedIsil = AppContext.InstructionSet.GetIsilFromMethod(this);

        if (ConvertedIsil.Count == 0)
            return; //Nothing to do, empty function

        ControlFlowGraph = new ISILControlFlowGraph();
        ControlFlowGraph.Build(ConvertedIsil);

        // Post step to convert metadata usage. Ldstr Opcodes etc.
        foreach (var block in ControlFlowGraph.Blocks)
        {
            foreach (var converter in blockProcessors)
            {
                converter.Process(this, block);
            }
        }
    }

    public void ReleaseAnalysisData()
    {
        ConvertedIsil = null;
        ControlFlowGraph = null;
    }

    public ConcreteGenericMethodAnalysisContext MakeGenericInstanceMethod(params IEnumerable<TypeAnalysisContext> methodGenericParameters)
    {
        if (this is ConcreteGenericMethodAnalysisContext methodOnGenericInstanceType)
        {
            return new ConcreteGenericMethodAnalysisContext(methodOnGenericInstanceType.BaseMethodContext, methodOnGenericInstanceType.TypeGenericParameters, methodGenericParameters);
        }
        else
        {
            return new ConcreteGenericMethodAnalysisContext(this, [], methodGenericParameters);
        }
    }

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

    public override string ToString() => $"Method: {FullName}";

    #region StableNameDot implementation

    ITypeInfoProvider IMethodInfoProvider.ReturnType =>
        Definition!.RawReturnType!.ThisOrElementIsGenericParam()
            ? new GenericParameterTypeInfoProviderWrapper(Definition.RawReturnType!.GetGenericParamName())
            : TypeAnalysisContext.GetSndnProviderForType(AppContext, Definition!.RawReturnType);

    IEnumerable<IParameterInfoProvider> IMethodInfoProvider.ParameterInfoProviders => Parameters;

    string IMethodInfoProvider.MethodName => Name;

    MethodAttributes IMethodInfoProvider.MethodAttributes => Attributes;

    MethodSemantics IMethodInfoProvider.MethodSemantics
    {
        get
        {
            if (DeclaringType != null)
            {
                //This one is a bit trickier, as il2cpp doesn't use semantics.
                foreach (var prop in DeclaringType.Properties)
                {
                    if (prop.Getter == this)
                        return MethodSemantics.Getter;
                    if (prop.Setter == this)
                        return MethodSemantics.Setter;
                }

                foreach (var evt in DeclaringType.Events)
                {
                    if (evt.Adder == this)
                        return MethodSemantics.AddOn;
                    if (evt.Remover == this)
                        return MethodSemantics.RemoveOn;
                    if (evt.Invoker == this)
                        return MethodSemantics.Fire;
                }
            }

            return 0;
        }
    }

    #endregion
}

1	using System;
2	using System.Collections.Generic;
3	using System.Diagnostics.CodeAnalysis;
4	using System.Linq;
5	using System.Reflection;
6	using Cpp2IL.Core.Graphs;
7	using Cpp2IL.Core.Graphs.Processors;
8	using Cpp2IL.Core.ISIL;
9	using Cpp2IL.Core.Logging;
10	using Cpp2IL.Core.Utils;
11	using LibCpp2IL;
12	using LibCpp2IL.Metadata;
13	using StableNameDotNet.Providers;
14
15	namespace Cpp2IL.Core.Model.Contexts;
16
17	/// <summary>
18	/// Represents one method within the application. Can be analyzed to attempt to reconstruct the function body.
19	/// </summary>
20	public class MethodAnalysisContext : HasGenericParameters, IMethodInfoProvider
21	{
22	/// <summary>
23	/// The underlying metadata for the method.
24	///
25	/// Nullable iff this is a subclass.
26	/// </summary>
27	public readonly Il2CppMethodDefinition? Definition;
28
29	/// <summary>
30	/// The analysis context for the declaring type of this method.
31	/// </summary>
32	public readonly TypeAnalysisContext? DeclaringType;
33
34	/// <summary>
35	/// The address of this method as defined in the underlying metadata.
36	/// </summary>
37	public virtual ulong UnderlyingPointer => Definition?.MethodPointer ?? throw new("Subclasses of MethodAnalysisContext should override UnderlyingPointer");	968,628!
38
39	public ulong Rva => UnderlyingPointer == 0 \|\| LibCpp2IlMain.Binary == null ? 0 : LibCpp2IlMain.Binary.GetRva(UnderlyingPointer);	×
40
41	/// <summary>
42	/// The raw method body as machine code in the active instruction set.
43	/// </summary>
44	public Memory<byte> RawBytes => rawMethodBody ??= InitRawBytes();	×
45
46	/// <summary>
47	/// The first-stage-analyzed Instruction-Set-Independent Language Instructions.
48	/// </summary>
49	public List<InstructionSetIndependentInstruction>? ConvertedIsil;
50
51	/// <summary>
52	/// The control flow graph for this method, if one is built.
53	/// </summary>
54	public ISILControlFlowGraph? ControlFlowGraph;
55
56	public List<ParameterAnalysisContext> Parameters = [];	832,794✔
57
58	/// <summary>
59	/// Does this method return void?
60	/// </summary>
61	public bool IsVoid => ReturnType == AppContext.SystemTypes.SystemVoidType;	×
62
63	public bool IsStatic => (Attributes & MethodAttributes.Static) != 0;	87,687✔
64
65	public bool IsVirtual => (Attributes & MethodAttributes.Virtual) != 0;	332✔
66
NEW 67	public bool IsAbstract => (Attributes & MethodAttributes.Abstract) != 0;	×
68
69	public bool IsNewSlot => (Attributes & MethodAttributes.NewSlot) != 0;	332✔
70
71	protected override int CustomAttributeIndex => Definition?.customAttributeIndex ?? throw new("Subclasses of MethodAnalysisContext should override CustomAttributeIndex if they have custom attributes");	417,744!
72
73	public override AssemblyAnalysisContext CustomAttributeAssembly => DeclaringType?.DeclaringAssembly ?? throw new("Subclasses of MethodAnalysisContext should override CustomAttributeAssembly if they have custom attributes");	1,073,495!
74
75	public override string DefaultName => Definition?.Name ?? throw new("Subclasses of MethodAnalysisContext should override DefaultName");	87,701!
76
77	public string FullName => DeclaringType == null ? Name : $"{DeclaringType.FullName}::{Name}";	36!
78
79	public string FullNameWithSignature => $"{ReturnType.FullName} {FullName}({string.Join(", ", Parameters.Select(p => p.HumanReadableSignature))})";	×
80
81	public virtual MethodAttributes DefaultAttributes => Definition?.Attributes ?? throw new($"Subclasses of MethodAnalysisContext should override {nameof(DefaultAttributes)}");	262,411!
82
83	public virtual MethodAttributes? OverrideAttributes { get; set; }	262,411✔
84
85	public MethodAttributes Attributes => OverrideAttributes ?? DefaultAttributes;	262,411!
86
87	public virtual MethodImplAttributes DefaultImplAttributes => Definition?.MethodImplAttributes ?? throw new($"Subclasses of MethodAnalysisContext should override {nameof(DefaultImplAttributes)}");	87,030!
88
89	public virtual MethodImplAttributes? OverrideImplAttributes { get; set; }	87,030✔
90
91	public MethodImplAttributes ImplAttributes => OverrideImplAttributes ?? DefaultImplAttributes;	87,030!
92
93	public MethodAttributes Visibility
94	{
95	get
96	{
97	return Attributes & MethodAttributes.MemberAccessMask;	×
98	}
99	set
100	{
101	OverrideAttributes = (Attributes & ~MethodAttributes.MemberAccessMask) \| (value & MethodAttributes.MemberAccessMask);	×
102	}	×
103	}
104
105	private List<GenericParameterTypeAnalysisContext>? _genericParameters;
106	public override List<GenericParameterTypeAnalysisContext> GenericParameters
107	{
108	get
109	{
110	// Lazy load the generic parameters
111	_genericParameters ??= Definition?.GenericContainer?.GenericParameters.Select(p => new GenericParameterTypeAnalysisContext(p, this)).ToList() ?? [];	520,504!
112	return _genericParameters;	514,946✔
113	}
114	}
115
116	private ushort Slot => Definition?.slot ?? ushort.MaxValue;	75,705!
117
118	public virtual TypeAnalysisContext DefaultReturnType => DeclaringType?.DeclaringAssembly.ResolveIl2CppType(Definition?.RawReturnType) ?? throw new($"Subclasses of MethodAnalysisContext should override {nameof(DefaultReturnType)}");	427,699!
119
120	public TypeAnalysisContext? OverrideReturnType { get; set; }	427,702✔
121
122	//TODO Support custom attributes on return types (v31 feature)
123	public TypeAnalysisContext ReturnType => OverrideReturnType ?? DefaultReturnType;	427,702✔
124
125	protected Memory<byte>? rawMethodBody;
126
127	public MethodAnalysisContext? BaseMethod => Overrides.FirstOrDefault(m => m.DeclaringType?.IsInterface is false);	340!
128
129	/// <summary>
130	/// The set of methods which this method overrides.
131	/// </summary>
132	public virtual IEnumerable<MethodAnalysisContext> Overrides
133	{
134	get
135	{
136	if (Definition == null)	18,711!
137	return [];	×
138
139	var declaringTypeDefinition = DeclaringType?.Definition;	18,711!
140	if (declaringTypeDefinition == null)	18,711!
141	return [];	×
142
143	var vtable = declaringTypeDefinition.VTable;	18,711✔
144	if (vtable == null)	18,711!
145	return [];	×
146
147	return GetOverriddenMethods(declaringTypeDefinition, vtable);	18,711✔
148
149	bool TryGetMethodForSlot(TypeAnalysisContext declaringType, int slot, [NotNullWhen(true)] out MethodAnalysisContext? method)
150	{
151	if (declaringType is GenericInstanceTypeAnalysisContext genericInstanceType)	13,520✔
152	{
153	var genericMethod = genericInstanceType.GenericType.Methods.FirstOrDefault(m => m.Slot == slot);	7,102✔
154	if (genericMethod is not null)	1,802✔
155	{
156	method = new ConcreteGenericMethodAnalysisContext(genericMethod, genericInstanceType.GenericArguments, []);	330✔
157	return true;	330✔
158	}
159	}
160	else
161	{
162	var baseMethod = declaringType.Methods.FirstOrDefault(m => m.Slot == slot);	82,123✔
163	if (baseMethod is not null)	11,718✔
164	{
165	method = baseMethod;	2,830✔
166	return true;	2,830✔
167	}
168	}
169
170	method = null;	10,360✔
171	return false;	10,360✔
172	}
173
174	IEnumerable<MethodAnalysisContext> GetOverriddenMethods(Il2CppTypeDefinition declaringTypeDefinition, MetadataUsage?[] vtable)
175	{
176	for (var i = 0; i < vtable.Length; ++i)	685,024✔
177	{
178	var vtableEntry = vtable[i];	323,803✔
179	if (vtableEntry is null or { Type: not MetadataUsageType.MethodDef })	323,803✔
180	continue;
181
182	if (vtableEntry.AsMethod() != Definition)	318,193✔
183	continue;
184
185	// Normal inheritance
186	var baseType = DeclaringType?.BaseType;	3,125!
187	while (baseType is not null)	7,853✔
188	{
189	if (TryGetMethodForSlot(baseType, i, out var method))	4,766✔
190	{
191	yield return method;	38✔
192	break; // We only want direct overrides, not the entire inheritance chain.	36✔
193	}
194	baseType = baseType.BaseType;	4,728✔
195	}
196
197	// Interface inheritance
198	foreach (var interfaceOffset in declaringTypeDefinition.InterfaceOffsets)	34,564✔
199	{
200	if (i >= interfaceOffset.offset)	14,159✔
201	{
202	var interfaceTypeContext = interfaceOffset.Type.ToContext(CustomAttributeAssembly);	8,754✔
203	if (interfaceTypeContext != null && TryGetMethodForSlot(interfaceTypeContext, i - interfaceOffset.offset, out var method))	8,754✔
204	{
205	yield return method;	3,122✔
206	}
207	}
208	}
209	}
210	}	18,709✔
211	}
212	}
213
214	private static readonly List<IBlockProcessor> blockProcessors =	×
215	[	×
216	new MetadataProcessor(),	×
217	new CallProcessor()	×
218	];	×
219
220	public MethodAnalysisContext(Il2CppMethodDefinition? definition, TypeAnalysisContext parent) : base(definition?.token ?? 0, parent.AppContext)	832,794✔
221	{
222	DeclaringType = parent;	832,794✔
223	Definition = definition;	832,794✔
224
225	if (Definition != null)	832,794✔
226	{
227	InitCustomAttributeData();	492,198✔
228
229	for (var i = 0; i < Definition.InternalParameterData!.Length; i++)	2,112,768✔
230	{
231	var parameterDefinition = Definition.InternalParameterData![i];	564,186✔
232	Parameters.Add(new(parameterDefinition, i, this));	564,186✔
233	}
234	}
235	else
236	rawMethodBody = Array.Empty<byte>();	340,596✔
237	}	340,596✔
238
239	[MemberNotNull(nameof(rawMethodBody))]
240	public void EnsureRawBytes()
241	{
242	rawMethodBody ??= InitRawBytes();	492,198✔
243	}	492,198✔
244
245	private Memory<byte> InitRawBytes()
246	{
247	//Some abstract methods (on interfaces, no less) apparently have a body? Unity doesn't support default interface methods so idk what's going on here.
248	//E.g. UnityEngine.Purchasing.AppleCore.dll: UnityEngine.Purchasing.INativeAppleStore::SetUnityPurchasingCallback on among us (itch.io build)
249	if (Definition != null && Definition.MethodPointer != 0 && !Definition.Attributes.HasFlag(MethodAttributes.Abstract))	492,198✔
250	{
251	var ret = AppContext.InstructionSet.GetRawBytesForMethod(this, false);	476,430✔
252
253	if (ret.Length == 0)	476,430✔
254	{
255	Logger.VerboseNewline("\t\t\tUnexpectedly got 0-byte method body for " + this + $". Pointer was 0x{Definition.MethodPointer:X}", "MAC");	36!
256	}
257
258	return ret;	476,430✔
259	}
260	else
261	return Array.Empty<byte>();	15,768✔
262	}
263
264	protected MethodAnalysisContext(ApplicationAnalysisContext context) : base(0, context)	×
265	{
266	rawMethodBody = Array.Empty<byte>();	×
267	}	×
268
269	[MemberNotNull(nameof(ConvertedIsil))]
270	public void Analyze()
271	{
272	if (ConvertedIsil != null)	×
273	return;	×
274
275	if (UnderlyingPointer == 0)	×
276	{
277	ConvertedIsil = [];	×
278	return;	×
279	}
280
281	ConvertedIsil = AppContext.InstructionSet.GetIsilFromMethod(this);	×
282
283	if (ConvertedIsil.Count == 0)	×
284	return; //Nothing to do, empty function	×
285
286	ControlFlowGraph = new ISILControlFlowGraph();	×
287	ControlFlowGraph.Build(ConvertedIsil);	×
288
289	// Post step to convert metadata usage. Ldstr Opcodes etc.
290	foreach (var block in ControlFlowGraph.Blocks)	×
291	{
292	foreach (var converter in blockProcessors)	×
293	{
294	converter.Process(this, block);	×
295	}
296	}
297	}	×
298
299	public void ReleaseAnalysisData()
300	{
301	ConvertedIsil = null;	×
302	ControlFlowGraph = null;	×
303	}	×
304
305	public ConcreteGenericMethodAnalysisContext MakeGenericInstanceMethod(params IEnumerable<TypeAnalysisContext> methodGenericParameters)
306	{
307	if (this is ConcreteGenericMethodAnalysisContext methodOnGenericInstanceType)	×
308	{
309	return new ConcreteGenericMethodAnalysisContext(methodOnGenericInstanceType.BaseMethodContext, methodOnGenericInstanceType.TypeGenericParameters, methodGenericParameters);	×
310	}
311	else
312	{
313	return new ConcreteGenericMethodAnalysisContext(this, [], methodGenericParameters);	×
314	}
315	}
316
317	public ConcreteGenericMethodAnalysisContext MakeConcreteGenericMethod(IEnumerable<TypeAnalysisContext> typeGenericParameters, IEnumerable<TypeAnalysisContext> methodGenericParameters)
318	{
319	if (this is ConcreteGenericMethodAnalysisContext)	×
320	{
321	throw new InvalidOperationException($"Attempted to make a {nameof(ConcreteGenericMethodAnalysisContext)} concrete: {this}");	×
322	}
323	else
324	{
325	return new ConcreteGenericMethodAnalysisContext(this, typeGenericParameters, methodGenericParameters);	×
326	}
327	}
328
329	public override string ToString() => $"Method: {FullName}";	36✔
330
331	#region StableNameDot implementation
332
333	ITypeInfoProvider IMethodInfoProvider.ReturnType =>
334	Definition!.RawReturnType!.ThisOrElementIsGenericParam()	×
335	? new GenericParameterTypeInfoProviderWrapper(Definition.RawReturnType!.GetGenericParamName())	×
336	: TypeAnalysisContext.GetSndnProviderForType(AppContext, Definition!.RawReturnType);	×
337
338	IEnumerable<IParameterInfoProvider> IMethodInfoProvider.ParameterInfoProviders => Parameters;	×
339
340	string IMethodInfoProvider.MethodName => Name;	×
341
342	MethodAttributes IMethodInfoProvider.MethodAttributes => Attributes;	×
343
344	MethodSemantics IMethodInfoProvider.MethodSemantics
345	{
346	get
347	{
348	if (DeclaringType != null)	×
349	{
350	//This one is a bit trickier, as il2cpp doesn't use semantics.
351	foreach (var prop in DeclaringType.Properties)	×
352	{
353	if (prop.Getter == this)	×
354	return MethodSemantics.Getter;	×
355	if (prop.Setter == this)	×
356	return MethodSemantics.Setter;	×
357	}
358
359	foreach (var evt in DeclaringType.Events)	×
360	{
361	if (evt.Adder == this)	×
362	return MethodSemantics.AddOn;	×
363	if (evt.Remover == this)	×
364	return MethodSemantics.RemoveOn;	×
365	if (evt.Invoker == this)	×
366	return MethodSemantics.Fire;	×
367	}
368	}
369
370	return 0;	×
371	}	×
372	}
373
374	#endregion
375	}

SamboyCoding / Cpp2IL / 18693676721

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