15144170590

Committed 20 May 2025 05:37PM UTC coverage: 34.277% (+0.2%) from 34.047%

Build # 15144170590

Build Type

Pull #462

github

Committed by

web-flow

Commit Message

Merge 4a307f12a into 5807d2b6c

Pull Request Pull Request #462: Support overriding member types

Run Details

1799 of 6648 branches covered (27.06%)

Branch coverage included in aggregate %.

115 of 202 new or added lines in 33 files covered. (56.93%)

22 existing lines in 6 files now uncovered.

4197 of 10845 relevant lines covered (38.7%)

186399.11 hits per line

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39.22

/Cpp2IL.Core/Model/Contexts/ParameterAnalysisContext.cs

using System.Reflection;
using System.Text;
using Cpp2IL.Core.Utils;
using LibCpp2IL.Metadata;
using StableNameDotNet.Providers;

namespace Cpp2IL.Core.Model.Contexts;

public class ParameterAnalysisContext : HasCustomAttributesAndName, IParameterInfoProvider
{
    /// <summary>
    /// The backing il2cpp definition of this parameter. Can be null if the parameter is injected. 
    /// </summary>
    public Il2CppParameterDefinition? Definition { get; }

    /// <summary>
    /// The index of this parameter in the declaring method's parameter list.
    /// </summary>
    public int ParameterIndex { get; }

    /// <summary>
    /// The method which this parameter belongs to. Cannot be null.
    /// </summary>
    public MethodAnalysisContext DeclaringMethod { get; }

    protected override int CustomAttributeIndex => Definition?.customAttributeIndex ?? throw new("Subclasses of ParameterAnalysisContext must provide a customAttributeIndex");
    public override AssemblyAnalysisContext CustomAttributeAssembly => DeclaringMethod.DeclaringType!.DeclaringAssembly;
    public override string DefaultName => Definition?.Name ?? throw new("Subclasses of ParameterAnalysisContext must provide a default name");

    /// <summary>
    /// The human-readable display value of the parameter type.
    /// </summary>
    public string ReadableTypeName => ParameterType.FullName;

    /// <summary>
    /// The human-readable display value of the parameter, as it would appear in a c# method declaration.
    /// </summary>
    public string HumanReadableSignature => $"{ReadableTypeName} {Name}";

    public virtual ParameterAttributes DefaultAttributes => (ParameterAttributes?)Definition?.RawType?.Attrs ?? throw new("Subclasses of ParameterAnalysisContext must provide parameter attributes");

    public virtual ParameterAttributes? OverrideAttributes { get; set; }

    /// <summary>
    /// The ParameterAttributes of this parameter.
    /// </summary>
    public ParameterAttributes Attributes => OverrideAttributes ?? DefaultAttributes;

    /// <summary>
    /// True if this parameter is passed by reference.
    /// </summary>
    public bool IsRef => ParameterType is ByRefTypeAnalysisContext || Attributes.HasFlag(ParameterAttributes.Out);

    /// <summary>
    /// The default value data for this parameter. Null if, and only if, the parameter has no default value. If it has a default value of literally null, this will be non-null and have a data index of -1.
    /// </summary>
    public Il2CppParameterDefaultValue? DefaultValue { get; }

    public virtual TypeAnalysisContext DefaultParameterType => DeclaringMethod.DeclaringType!.DeclaringAssembly.ResolveIl2CppType(Definition?.RawType) ?? throw new("Subclasses of ParameterAnalysisContext must provide a parameter type");

    public TypeAnalysisContext? OverrideParameterType { get; set; }

    public virtual TypeAnalysisContext ParameterType => OverrideParameterType ?? DefaultParameterType;

    public ParameterAnalysisContext(Il2CppParameterDefinition? definition, int parameterIndex, MethodAnalysisContext declaringMethod) : base(definition?.token ?? 0, declaringMethod.AppContext)
    {
        Definition = definition;
        ParameterIndex = parameterIndex;
        DeclaringMethod = declaringMethod;

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

            if (Attributes.HasFlag(ParameterAttributes.HasDefault))
            {
                DefaultValue = AppContext.Metadata.GetParameterDefaultValueFromIndex(declaringMethod.Definition!.parameterStart + parameterIndex)!;
            }
        }
    }

    public override string ToString()
    {
        if (!AppContext.HasFinishedInitializing)
            //Cannot safely access ParameterTypeContext.Name if we haven't finished initializing as it may require doing system type lookups etc.
            return $"Parameter {Name} (ordinal {ParameterIndex}) of {DeclaringMethod}";

        var result = new StringBuilder();

        if (Attributes.HasFlag(ParameterAttributes.Out))
            result.Append("out ");
        else if (Attributes.HasFlag(ParameterAttributes.In))
            result.Append("in ");
        else if (ParameterType is ByRefTypeAnalysisContext)
            result.Append("ref ");

        result.Append(CsFileUtils.GetTypeName(ParameterType.Name)).Append(' ');

        if (string.IsNullOrEmpty(ParameterName))
            result.Append("unnamed_param_").Append(ParameterIndex);
        else
            result.Append(ParameterName);

        if (Attributes.HasFlag(ParameterAttributes.HasDefault))
        {
            var defaultValue = DefaultValue!.ContainedDefaultValue;
            if (defaultValue is string stringDefaultValue)
                defaultValue = $"\"{stringDefaultValue}\"";
            else if (defaultValue is bool boolDefaultValue)
                defaultValue = boolDefaultValue.ToString().ToLowerInvariant();
            else if (defaultValue is null)
                defaultValue = "null";

            result.Append(" = ").Append(defaultValue);
        }

        return result.ToString();
    }

    #region StableNameDotNet implementation

    public ITypeInfoProvider ParameterTypeInfoProvider
        => Definition!.RawType!.ThisOrElementIsGenericParam()
            ? new GenericParameterTypeInfoProviderWrapper(Definition.RawType!.GetGenericParamName())
            : TypeAnalysisContext.GetSndnProviderForType(AppContext, Definition.RawType);

    public string ParameterName => Name;

    #endregion
}

1	using System.Reflection;
2	using System.Text;
3	using Cpp2IL.Core.Utils;
4	using LibCpp2IL.Metadata;
5	using StableNameDotNet.Providers;
6
7	namespace Cpp2IL.Core.Model.Contexts;
8
9	public class ParameterAnalysisContext : HasCustomAttributesAndName, IParameterInfoProvider
10	{
11	/// <summary>
12	/// The backing il2cpp definition of this parameter. Can be null if the parameter is injected.
13	/// </summary>
14	public Il2CppParameterDefinition? Definition { get; }	2,349,267✔
15
16	/// <summary>
17	/// The index of this parameter in the declaring method's parameter list.
18	/// </summary>
19	public int ParameterIndex { get; }	512,093✔
20
21	/// <summary>
22	/// The method which this parameter belongs to. Cannot be null.
23	/// </summary>
24	public MethodAnalysisContext DeclaringMethod { get; }	1,517,161✔
25
26	protected override int CustomAttributeIndex => Definition?.customAttributeIndex ?? throw new("Subclasses of ParameterAnalysisContext must provide a customAttributeIndex");	412,587!
27	public override AssemblyAnalysisContext CustomAttributeAssembly => DeclaringMethod.DeclaringType!.DeclaringAssembly;	1,103,148✔
28	public override string DefaultName => Definition?.Name ?? throw new("Subclasses of ParameterAnalysisContext must provide a default name");	98,235!
29
30	/// <summary>
31	/// The human-readable display value of the parameter type.
32	/// </summary>
NEW 33	public string ReadableTypeName => ParameterType.FullName;	×
34
35	/// <summary>
36	/// The human-readable display value of the parameter, as it would appear in a c# method declaration.
37	/// </summary>
38	public string HumanReadableSignature => $"{ReadableTypeName} {Name}";	×
39
40	public virtual ParameterAttributes DefaultAttributes => (ParameterAttributes?)Definition?.RawType?.Attrs ?? throw new("Subclasses of ParameterAnalysisContext must provide parameter attributes");	603,480!
41
42	public virtual ParameterAttributes? OverrideAttributes { get; set; }	603,480✔
43
44	/// <summary>
45	/// The ParameterAttributes of this parameter.
46	/// </summary>
47	public ParameterAttributes Attributes => OverrideAttributes ?? DefaultAttributes;	603,480!
48
49	/// <summary>
50	/// True if this parameter is passed by reference.
51	/// </summary>
NEW 52	public bool IsRef => ParameterType is ByRefTypeAnalysisContext \|\| Attributes.HasFlag(ParameterAttributes.Out);	×
53
54	/// <summary>
55	/// The default value data for this parameter. Null if, and only if, the parameter has no default value. If it has a default value of literally null, this will be non-null and have a data index of -1.
56	/// </summary>
57	public Il2CppParameterDefaultValue? DefaultValue { get; }	98,235✔
58
59	public virtual TypeAnalysisContext DefaultParameterType => DeclaringMethod.DeclaringType!.DeclaringAssembly.ResolveIl2CppType(Definition?.RawType) ?? throw new("Subclasses of ParameterAnalysisContext must provide a parameter type");	414,013!
60
61	public TypeAnalysisContext? OverrideParameterType { get; set; }	414,015✔
62
63	public virtual TypeAnalysisContext ParameterType => OverrideParameterType ?? DefaultParameterType;	414,015✔
64
65	public ParameterAnalysisContext(Il2CppParameterDefinition? definition, int parameterIndex, MethodAnalysisContext declaringMethod) : base(definition?.token ?? 0, declaringMethod.AppContext)	820,952✔
66	{
67	Definition = definition;	820,952✔
68	ParameterIndex = parameterIndex;	820,952✔
69	DeclaringMethod = declaringMethod;	820,952✔
70
71	if (Definition != null)	820,952✔
72	{
73	InitCustomAttributeData();	505,245✔
74
75	if (Attributes.HasFlag(ParameterAttributes.HasDefault))	505,245✔
76	{
77	DefaultValue = AppContext.Metadata.GetParameterDefaultValueFromIndex(declaringMethod.Definition!.parameterStart + parameterIndex)!;	2,199✔
78	}
79	}
80	}	820,952✔
81
82	public override string ToString()
83	{
84	if (!AppContext.HasFinishedInitializing)	×
85	//Cannot safely access ParameterTypeContext.Name if we haven't finished initializing as it may require doing system type lookups etc.
NEW 86	return $"Parameter {Name} (ordinal {ParameterIndex}) of {DeclaringMethod}";	×
87
88	var result = new StringBuilder();	×
89
NEW 90	if (Attributes.HasFlag(ParameterAttributes.Out))	×
91	result.Append("out ");	×
NEW 92	else if (Attributes.HasFlag(ParameterAttributes.In))	×
93	result.Append("in ");	×
NEW 94	else if (ParameterType is ByRefTypeAnalysisContext)	×
95	result.Append("ref ");	×
96
NEW 97	result.Append(CsFileUtils.GetTypeName(ParameterType.Name)).Append(' ');	×
98
99	if (string.IsNullOrEmpty(ParameterName))	×
NEW 100	result.Append("unnamed_param_").Append(ParameterIndex);	×
101	else
102	result.Append(ParameterName);	×
103
NEW 104	if (Attributes.HasFlag(ParameterAttributes.HasDefault))	×
105	{
106	var defaultValue = DefaultValue!.ContainedDefaultValue;	×
107	if (defaultValue is string stringDefaultValue)	×
108	defaultValue = $"\"{stringDefaultValue}\"";	×
109	else if (defaultValue is bool boolDefaultValue)	×
110	defaultValue = boolDefaultValue.ToString().ToLowerInvariant();	×
111	else if (defaultValue is null)	×
112	defaultValue = "null";	×
113
114	result.Append(" = ").Append(defaultValue);	×
115	}
116
117	return result.ToString();	×
118	}
119
120	#region StableNameDotNet implementation
121
122	public ITypeInfoProvider ParameterTypeInfoProvider
123	=> Definition!.RawType!.ThisOrElementIsGenericParam()	×
124	? new GenericParameterTypeInfoProviderWrapper(Definition.RawType!.GetGenericParamName())	×
125	: TypeAnalysisContext.GetSndnProviderForType(AppContext, Definition.RawType);	×
126
127	public string ParameterName => Name;	×
128
129	#endregion
130	}

SamboyCoding / Cpp2IL / 15144170590

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