20487966407

Committed 24 Dec 2025 02:14PM UTC coverage: 34.324% (+0.05%) from 34.275%

Build # 20487966407

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push

github

Committed by

SamboyCoding

Commit Message

Add test for static classes

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53.96

/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
    {
        get => OverrideAttributes ?? DefaultAttributes;
        set => OverrideAttributes = value;
    }

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

    public virtual MethodImplAttributes? OverrideImplAttributes { get; set; }

    public MethodImplAttributes ImplAttributes
    {
        get => OverrideImplAttributes ?? DefaultImplAttributes;
        set => OverrideImplAttributes = value;
    }

    public MethodAttributes Visibility
    {
        get
        {
            return Attributes & MethodAttributes.MemberAccessMask;
        }
        set
        {
            Attributes = (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
    {
        get => OverrideReturnType ?? DefaultReturnType;
        set => OverrideReturnType = value;
    }
    
    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");	1,002,888!
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 = [];	864,102✔
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
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");	435,150!
72
73	public override AssemblyAnalysisContext CustomAttributeAssembly => DeclaringType?.DeclaringAssembly ?? throw new("Subclasses of MethodAnalysisContext should override CustomAttributeAssembly if they have custom attributes");	1,108,486!
74
75	public override string DefaultName => Definition?.Name ?? throw new("Subclasses of MethodAnalysisContext should override DefaultName");	87,702!
76
77	public string FullName => DeclaringType == null ? Name : $"{DeclaringType.FullName}::{Name}";	37!
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
86	{
87	get => OverrideAttributes ?? DefaultAttributes;	262,411!
88	set => OverrideAttributes = value;	×
89	}
90
91	public virtual MethodImplAttributes DefaultImplAttributes => Definition?.MethodImplAttributes ?? throw new($"Subclasses of MethodAnalysisContext should override {nameof(DefaultImplAttributes)}");	87,030!
92
93	public virtual MethodImplAttributes? OverrideImplAttributes { get; set; }	87,030✔
94
95	public MethodImplAttributes ImplAttributes
96	{
97	get => OverrideImplAttributes ?? DefaultImplAttributes;	87,030!
98	set => OverrideImplAttributes = value;	×
99	}
100
101	public MethodAttributes Visibility
102	{
103	get
104	{
105	return Attributes & MethodAttributes.MemberAccessMask;	×
106	}
107	set
108	{
109	Attributes = (Attributes & ~MethodAttributes.MemberAccessMask) \| (value & MethodAttributes.MemberAccessMask);	×
110	}	×
111	}
112
113	private List<GenericParameterTypeAnalysisContext>? _genericParameters;
114	public override List<GenericParameterTypeAnalysisContext> GenericParameters
115	{
116	get
117	{
118	// Lazy load the generic parameters
119	_genericParameters ??= Definition?.GenericContainer?.GenericParameters.Select(p => new GenericParameterTypeAnalysisContext(p, this)).ToList() ?? [];	534,529!
120	return _genericParameters;	528,792✔
121	}
122	}
123
124	private ushort Slot => Definition?.slot ?? ushort.MaxValue;	75,705!
125
126	public virtual TypeAnalysisContext DefaultReturnType => DeclaringType?.DeclaringAssembly.ResolveIl2CppType(Definition?.RawReturnType) ?? throw new($"Subclasses of MethodAnalysisContext should override {nameof(DefaultReturnType)}");	441,601!
127
128	public TypeAnalysisContext? OverrideReturnType { get; set; }	441,604✔
129
130	//TODO Support custom attributes on return types (v31 feature)
131	public TypeAnalysisContext ReturnType
132	{
133	get => OverrideReturnType ?? DefaultReturnType;	441,604✔
134	set => OverrideReturnType = value;	×
135	}
136
137	protected Memory<byte>? rawMethodBody;
138
139	public MethodAnalysisContext? BaseMethod => Overrides.FirstOrDefault(m => m.DeclaringType?.IsInterface is false);	340!
140
141	/// <summary>
142	/// The set of methods which this method overrides.
143	/// </summary>
144	public virtual IEnumerable<MethodAnalysisContext> Overrides
145	{
146	get
147	{
148	if (Definition == null)	18,711!
149	return [];	×
150
151	var declaringTypeDefinition = DeclaringType?.Definition;	18,711!
152	if (declaringTypeDefinition == null)	18,711!
153	return [];	×
154
155	var vtable = declaringTypeDefinition.VTable;	18,711✔
156	if (vtable == null)	18,711!
157	return [];	×
158
159	return GetOverriddenMethods(declaringTypeDefinition, vtable);	18,711✔
160
161	bool TryGetMethodForSlot(TypeAnalysisContext declaringType, int slot, [NotNullWhen(true)] out MethodAnalysisContext? method)
162	{
163	if (declaringType is GenericInstanceTypeAnalysisContext genericInstanceType)	13,520✔
164	{
165	var genericMethod = genericInstanceType.GenericType.Methods.FirstOrDefault(m => m.Slot == slot);	7,102✔
166	if (genericMethod is not null)	1,802✔
167	{
168	method = new ConcreteGenericMethodAnalysisContext(genericMethod, genericInstanceType.GenericArguments, []);	330✔
169	return true;	330✔
170	}
171	}
172	else
173	{
174	var baseMethod = declaringType.Methods.FirstOrDefault(m => m.Slot == slot);	82,123✔
175	if (baseMethod is not null)	11,718✔
176	{
177	method = baseMethod;	2,830✔
178	return true;	2,830✔
179	}
180	}
181
182	method = null;	10,360✔
183	return false;	10,360✔
184	}
185
186	IEnumerable<MethodAnalysisContext> GetOverriddenMethods(Il2CppTypeDefinition declaringTypeDefinition, MetadataUsage?[] vtable)
187	{
188	for (var i = 0; i < vtable.Length; ++i)	685,024✔
189	{
190	var vtableEntry = vtable[i];	323,803✔
191	if (vtableEntry is null or { Type: not MetadataUsageType.MethodDef })	323,803✔
192	continue;
193
194	if (vtableEntry.AsMethod() != Definition)	318,193✔
195	continue;
196
197	// Normal inheritance
198	var baseType = DeclaringType?.BaseType;	3,125!
199	while (baseType is not null)	7,853✔
200	{
201	if (TryGetMethodForSlot(baseType, i, out var method))	4,766✔
202	{
203	yield return method;	38✔
204	break; // We only want direct overrides, not the entire inheritance chain.	36✔
205	}
206	baseType = baseType.BaseType;	4,728✔
207	}
208
209	// Interface inheritance
210	foreach (var interfaceOffset in declaringTypeDefinition.InterfaceOffsets)	34,564✔
211	{
212	if (i >= interfaceOffset.offset)	14,159✔
213	{
214	var interfaceTypeContext = interfaceOffset.Type.ToContext(CustomAttributeAssembly);	8,754✔
215	if (interfaceTypeContext != null && TryGetMethodForSlot(interfaceTypeContext, i - interfaceOffset.offset, out var method))	8,754✔
216	{
217	yield return method;	3,122✔
218	}
219	}
220	}
221	}
222	}	18,709✔
223	}
224	}
225
226	private static readonly List<IBlockProcessor> blockProcessors =	×
227	[	×
228	new MetadataProcessor(),	×
229	new CallProcessor()	×
230	];	×
231
232	public MethodAnalysisContext(Il2CppMethodDefinition? definition, TypeAnalysisContext parent) : base(definition?.token ?? 0, parent.AppContext)	864,102✔
233	{
234	DeclaringType = parent;	864,102✔
235	Definition = definition;	864,102✔
236
237	if (Definition != null)	864,102✔
238	{
239	InitCustomAttributeData();	509,604✔
240
241	for (var i = 0; i < Definition.InternalParameterData!.Length; i++)	2,186,874✔
242	{
243	var parameterDefinition = Definition.InternalParameterData![i];	583,833✔
244	Parameters.Add(new(parameterDefinition, i, this));	583,833✔
245	}
246	}
247	else
248	rawMethodBody = Array.Empty<byte>();	354,498✔
249	}	354,498✔
250
251	[MemberNotNull(nameof(rawMethodBody))]
252	public void EnsureRawBytes()
253	{
254	rawMethodBody ??= InitRawBytes();	509,604✔
255	}	509,604✔
256
257	private Memory<byte> InitRawBytes()
258	{
259	//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.
260	//E.g. UnityEngine.Purchasing.AppleCore.dll: UnityEngine.Purchasing.INativeAppleStore::SetUnityPurchasingCallback on among us (itch.io build)
261	if (Definition != null && Definition.MethodPointer != 0 && !Definition.Attributes.HasFlag(MethodAttributes.Abstract))	509,604✔
262	{
263	var ret = AppContext.InstructionSet.GetRawBytesForMethod(this, false);	493,284✔
264
265	if (ret.Length == 0)	493,284✔
266	{
267	Logger.VerboseNewline("\t\t\tUnexpectedly got 0-byte method body for " + this + $". Pointer was 0x{Definition.MethodPointer:X}", "MAC");	37!
268	}
269
270	return ret;	493,284✔
271	}
272	else
273	return Array.Empty<byte>();	16,320✔
274	}
275
276	protected MethodAnalysisContext(ApplicationAnalysisContext context) : base(0, context)	×
277	{
278	rawMethodBody = Array.Empty<byte>();	×
279	}	×
280
281	[MemberNotNull(nameof(ConvertedIsil))]
282	public void Analyze()
283	{
284	if (ConvertedIsil != null)	×
285	return;	×
286
287	if (UnderlyingPointer == 0)	×
288	{
289	ConvertedIsil = [];	×
290	return;	×
291	}
292
293	ConvertedIsil = AppContext.InstructionSet.GetIsilFromMethod(this);	×
294
295	if (ConvertedIsil.Count == 0)	×
296	return; //Nothing to do, empty function	×
297
298	ControlFlowGraph = new ISILControlFlowGraph();	×
299	ControlFlowGraph.Build(ConvertedIsil);	×
300
301	// Post step to convert metadata usage. Ldstr Opcodes etc.
302	foreach (var block in ControlFlowGraph.Blocks)	×
303	{
304	foreach (var converter in blockProcessors)	×
305	{
306	converter.Process(this, block);	×
307	}
308	}
309	}	×
310
311	public void ReleaseAnalysisData()
312	{
313	ConvertedIsil = null;	×
314	ControlFlowGraph = null;	×
315	}	×
316
317	public ConcreteGenericMethodAnalysisContext MakeGenericInstanceMethod(params IEnumerable<TypeAnalysisContext> methodGenericParameters)
318	{
319	if (this is ConcreteGenericMethodAnalysisContext methodOnGenericInstanceType)	×
320	{
321	return new ConcreteGenericMethodAnalysisContext(methodOnGenericInstanceType.BaseMethodContext, methodOnGenericInstanceType.TypeGenericParameters, methodGenericParameters);	×
322	}
323	else
324	{
325	return new ConcreteGenericMethodAnalysisContext(this, [], methodGenericParameters);	×
326	}
327	}
328
329	public ConcreteGenericMethodAnalysisContext MakeConcreteGenericMethod(IEnumerable<TypeAnalysisContext> typeGenericParameters, IEnumerable<TypeAnalysisContext> methodGenericParameters)
330	{
331	if (this is ConcreteGenericMethodAnalysisContext)	×
332	{
333	throw new InvalidOperationException($"Attempted to make a {nameof(ConcreteGenericMethodAnalysisContext)} concrete: {this}");	×
334	}
335	else
336	{
337	return new ConcreteGenericMethodAnalysisContext(this, typeGenericParameters, methodGenericParameters);	×
338	}
339	}
340
341	public override string ToString() => $"Method: {FullName}";	37✔
342
343	#region StableNameDot implementation
344
345	ITypeInfoProvider IMethodInfoProvider.ReturnType =>
346	Definition!.RawReturnType!.ThisOrElementIsGenericParam()	×
347	? new GenericParameterTypeInfoProviderWrapper(Definition.RawReturnType!.GetGenericParamName())	×
348	: TypeAnalysisContext.GetSndnProviderForType(AppContext, Definition!.RawReturnType);	×
349
350	IEnumerable<IParameterInfoProvider> IMethodInfoProvider.ParameterInfoProviders => Parameters;	×
351
352	string IMethodInfoProvider.MethodName => Name;	×
353
354	MethodAttributes IMethodInfoProvider.MethodAttributes => Attributes;	×
355
356	MethodSemantics IMethodInfoProvider.MethodSemantics
357	{
358	get
359	{
360	if (DeclaringType != null)	×
361	{
362	//This one is a bit trickier, as il2cpp doesn't use semantics.
363	foreach (var prop in DeclaringType.Properties)	×
364	{
365	if (prop.Getter == this)	×
366	return MethodSemantics.Getter;	×
367	if (prop.Setter == this)	×
368	return MethodSemantics.Setter;	×
369	}
370
371	foreach (var evt in DeclaringType.Events)	×
372	{
373	if (evt.Adder == this)	×
374	return MethodSemantics.AddOn;	×
375	if (evt.Remover == this)	×
376	return MethodSemantics.RemoveOn;	×
377	if (evt.Invoker == this)	×
378	return MethodSemantics.Fire;	×
379	}
380	}
381
382	return 0;	×
383	}	×
384	}
385
386	#endregion
387	}

SamboyCoding / Cpp2IL / 20487966407

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