Files
Il2CppInspectorRedux/Il2CppInspector/Reflection/FieldInfo.cs

124 lines
6.3 KiB
C#

/*
Copyright 2017 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com
All rights reserved.
*/
using System;
using System.Reflection;
namespace Il2CppInspector.Reflection {
public class FieldInfo : MemberInfo
{
// IL2CPP-specific data
public Il2CppFieldDefinition Definition { get; }
public int Index { get; }
public int Offset { get; }
public bool HasDefaultValue { get; }
public object DefaultValue { get; }
public string DefaultValueString {
get {
if (!HasDefaultValue)
return "";
if (DefaultValue is string)
return $"\"{DefaultValue}\"";
if (!(DefaultValue is char))
return (DefaultValue?.ToString() ?? "null");
var cValue = (int) (char) DefaultValue;
if (cValue < 32 || cValue > 126)
return $"'\\x{cValue:x4}'";
return $"'{DefaultValue}'";
}
}
// Information/flags about the field
public FieldAttributes Attributes { get; }
// Type of field
private readonly Il2CppType fieldType;
public TypeInfo FieldType => Assembly.Model.GetType(fieldType, MemberTypes.Field);
// For the Is* definitions below, see:
// https://docs.microsoft.com/en-us/dotnet/api/system.reflection.fieldinfo.isfamilyandassembly?view=netframework-4.7.1#System_Reflection_FieldInfo_IsFamilyAndAssembly
// True if the field is declared as internal
public bool IsAssembly => (Attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.Assembly;
// True if the field is declared as protected
public bool IsFamily => (Attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.Family;
// True if the field is declared as 'protected private' (always false)
public bool IsFamilyAndAssembly => (Attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.FamANDAssem;
// True if the field is declared as protected public
public bool IsFamilyOrAssembly => (Attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.FamORAssem;
// True if the field is declared as readonly
public bool IsInitOnly => (Attributes & FieldAttributes.InitOnly) == FieldAttributes.InitOnly;
// True if the field is const
public bool IsLiteral => (Attributes & FieldAttributes.Literal) == FieldAttributes.Literal;
// True if the field has the NonSerialized attribute
public bool IsNotSerialized => (Attributes & FieldAttributes.NotSerialized) == FieldAttributes.NotSerialized;
// True if the field is extern
public bool IsPinvokeImpl => (Attributes & FieldAttributes.PinvokeImpl) == FieldAttributes.PinvokeImpl;
// True if the field is declared a private
public bool IsPrivate => (Attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.Private;
// True if the field is declared as public
public bool IsPublic => (Attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.Public;
// True if the field has a special name
public bool IsSpecialName => (Attributes & FieldAttributes.SpecialName) == FieldAttributes.SpecialName;
// True if the field is declared as static
public bool IsStatic => (Attributes & FieldAttributes.Static) == FieldAttributes.Static;
public override MemberTypes MemberType => MemberTypes.Field;
public FieldInfo(Il2CppInspector pkg, int fieldIndex, TypeInfo declaringType) :
base(declaringType) {
Definition = pkg.Metadata.Fields[fieldIndex];
Index = fieldIndex;
Offset = pkg.FieldOffsets[fieldIndex];
Name = pkg.Strings[Definition.nameIndex];
fieldType = pkg.TypeUsages[Definition.typeIndex];
if ((fieldType.attrs & Il2CppConstants.FIELD_ATTRIBUTE_FIELD_ACCESS_MASK) == Il2CppConstants.FIELD_ATTRIBUTE_PRIVATE)
Attributes |= FieldAttributes.Private;
if ((fieldType.attrs & Il2CppConstants.FIELD_ATTRIBUTE_FIELD_ACCESS_MASK) == Il2CppConstants.FIELD_ATTRIBUTE_PUBLIC)
Attributes |= FieldAttributes.Public;
if ((fieldType.attrs & Il2CppConstants.FIELD_ATTRIBUTE_FIELD_ACCESS_MASK) == Il2CppConstants.FIELD_ATTRIBUTE_FAM_AND_ASSEM)
Attributes |= FieldAttributes.FamANDAssem;
if ((fieldType.attrs & Il2CppConstants.FIELD_ATTRIBUTE_FIELD_ACCESS_MASK) == Il2CppConstants.FIELD_ATTRIBUTE_ASSEMBLY)
Attributes |= FieldAttributes.Assembly;
if ((fieldType.attrs & Il2CppConstants.FIELD_ATTRIBUTE_FIELD_ACCESS_MASK) == Il2CppConstants.FIELD_ATTRIBUTE_FAMILY)
Attributes |= FieldAttributes.Family;
if ((fieldType.attrs & Il2CppConstants.FIELD_ATTRIBUTE_FIELD_ACCESS_MASK) == Il2CppConstants.FIELD_ATTRIBUTE_FAM_OR_ASSEM)
Attributes |= FieldAttributes.FamORAssem;
if ((fieldType.attrs & Il2CppConstants.FIELD_ATTRIBUTE_STATIC) == Il2CppConstants.FIELD_ATTRIBUTE_STATIC)
Attributes |= FieldAttributes.Static;
if ((fieldType.attrs & Il2CppConstants.FIELD_ATTRIBUTE_INIT_ONLY) == Il2CppConstants.FIELD_ATTRIBUTE_INIT_ONLY)
Attributes |= FieldAttributes.InitOnly;
if ((fieldType.attrs & Il2CppConstants.FIELD_ATTRIBUTE_LITERAL) == Il2CppConstants.FIELD_ATTRIBUTE_LITERAL)
Attributes |= FieldAttributes.Literal;
if ((fieldType.attrs & Il2CppConstants.FIELD_ATTRIBUTE_NOT_SERIALIZED) == Il2CppConstants.FIELD_ATTRIBUTE_NOT_SERIALIZED)
Attributes |= FieldAttributes.NotSerialized;
if ((fieldType.attrs & Il2CppConstants.FIELD_ATTRIBUTE_SPECIAL_NAME) == Il2CppConstants.FIELD_ATTRIBUTE_SPECIAL_NAME)
Attributes |= FieldAttributes.SpecialName;
if ((fieldType.attrs & Il2CppConstants.FIELD_ATTRIBUTE_PINVOKE_IMPL) == Il2CppConstants.FIELD_ATTRIBUTE_PINVOKE_IMPL)
Attributes |= FieldAttributes.PinvokeImpl;
// Default initialization value if present
if (pkg.FieldDefaultValue.TryGetValue(fieldIndex, out object variant)) {
HasDefaultValue = true;
DefaultValue = variant;
}
}
}
}