92 lines
3.6 KiB
C#
92 lines
3.6 KiB
C#
/*
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Copyright 2017-2019 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com
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All rights reserved.
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*/
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using System;
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using System.Collections.Generic;
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using System.Reflection;
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namespace Il2CppInspector.Reflection
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{
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public class ParameterInfo
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{
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// IL2CPP-specific data
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public Il2CppParameterDefinition Definition { get; }
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public int Index { get; }
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// Information/flags about the parameter
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public ParameterAttributes Attributes { get; }
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// Custom attributes for this parameter
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public IEnumerable<CustomAttributeData> CustomAttributes => CustomAttributeData.GetCustomAttributes(this);
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// True if the parameter has a default value
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public bool HasDefaultValue => (Attributes & ParameterAttributes.HasDefault) != 0;
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// Default value for the parameter
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public object DefaultValue { get; }
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public bool IsIn => (Attributes & ParameterAttributes.In) != 0;
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public bool IsOptional => (Attributes & ParameterAttributes.Optional) != 0;
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public bool IsOut => (Attributes & ParameterAttributes.Out) != 0;
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public bool IsRetval => (Attributes & ParameterAttributes.Retval) != 0;
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// The member in which the parameter is defined
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public MemberInfo Member { get; }
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// Name of parameter
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public string Name { get; }
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// Type of this parameter
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private readonly int paramTypeUsage;
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public TypeInfo ParameterType => Member.Assembly.Model.GetTypeFromUsage(paramTypeUsage, MemberTypes.TypeInfo);
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// Zero-indexed position of the parameter in parameter list
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public int Position { get; }
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// Create a parameter. Specify paramIndex == -1 for a return type parameter
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public ParameterInfo(Il2CppInspector pkg, int paramIndex, MethodBase declaringMethod) {
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Index = paramIndex;
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Member = declaringMethod;
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if (paramIndex == -1) {
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Position = -1;
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paramTypeUsage = declaringMethod.Definition.returnType;
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Attributes |= ParameterAttributes.Retval;
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return;
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}
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Definition = pkg.Params[Index];
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Name = pkg.Strings[Definition.nameIndex];
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Position = paramIndex - declaringMethod.Definition.parameterStart;
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paramTypeUsage = Definition.typeIndex;
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var paramType = pkg.TypeUsages[paramTypeUsage];
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if ((paramType.attrs & Il2CppConstants.PARAM_ATTRIBUTE_HAS_DEFAULT) != 0)
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Attributes |= ParameterAttributes.HasDefault;
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if ((paramType.attrs & Il2CppConstants.PARAM_ATTRIBUTE_OPTIONAL) != 0)
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Attributes |= ParameterAttributes.Optional;
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if ((paramType.attrs & Il2CppConstants.PARAM_ATTRIBUTE_IN) != 0)
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Attributes |= ParameterAttributes.In;
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if ((paramType.attrs & Il2CppConstants.PARAM_ATTRIBUTE_OUT) != 0)
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Attributes |= ParameterAttributes.Out;
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if ((paramType.attrs & Il2CppConstants.PARAM_ATTRIBUTE_RESERVED_MASK) != 0)
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Attributes |= ParameterAttributes.ReservedMask;
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if ((paramType.attrs & Il2CppConstants.PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL) != 0)
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Attributes |= ParameterAttributes.HasFieldMarshal;
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if (Position == -1)
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Attributes |= ParameterAttributes.Retval;
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// Default initialization value if present
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if (pkg.ParameterDefaultValue.TryGetValue(paramIndex, out object variant))
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DefaultValue = variant;
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}
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public string GetModifierString() =>
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(IsOut? "out " : "");
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}
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}
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