110 lines
3.5 KiB
C#
110 lines
3.5 KiB
C#
// Copyright (c) Wojciech Figat. All rights reserved.
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using System;
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using System.Collections.Generic;
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using System.IO;
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namespace Flax.Build.Bindings
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{
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/// <summary>
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/// The native structure information for bindings generator.
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/// </summary>
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public class StructureInfo : ClassStructInfo
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{
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public List<FieldInfo> Fields = new List<FieldInfo>();
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public bool IsAutoSerialization;
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public bool ForceNoPod;
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public bool NoDefault;
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public override bool IsStruct => true;
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public override bool IsValueType => true;
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public override bool IsPod => _isPod;
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private bool _isPod;
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public override void Init(Builder.BuildData buildData)
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{
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base.Init(buildData);
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if (ForceNoPod || (Interfaces != null && Interfaces.Count != 0) || IsTemplate)
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{
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_isPod = false;
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return;
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}
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// Structure is POD (plain old data) only if all of it's fields are (and has no base type or base type is also POD)
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_isPod = BaseType == null || (BaseType?.IsPod ?? false);
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for (int i = 0; _isPod && i < Fields.Count; i++)
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{
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var field = Fields[i];
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if (!field.IsStatic && !field.IsPod(buildData, this))
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{
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_isPod = false;
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}
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}
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foreach (var fieldInfo in Fields)
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{
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if (fieldInfo.Type.IsBitField)
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throw new NotImplementedException($"TODO: support bit-fields in structure fields (found field {fieldInfo} in structure {Name})");
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// Pointers are fine
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if (fieldInfo.Type.IsPtr)
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continue;
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// In-build types
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if (BindingsGenerator.CSharpNativeToManagedBasicTypes.ContainsKey(fieldInfo.Type.Type))
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continue;
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if (BindingsGenerator.CSharpNativeToManagedDefault.ContainsKey(fieldInfo.Type.Type))
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continue;
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// Find API type info for this field type
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var apiType = BindingsGenerator.FindApiTypeInfo(buildData, fieldInfo.Type, this);
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if (apiType != null)
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continue;
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throw new Exception($"Unknown field type '{fieldInfo.Type} {fieldInfo.Name}' in structure '{Name}'.");
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}
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}
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public override void Write(BinaryWriter writer)
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{
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BindingsGenerator.Write(writer, Fields);
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BindingsGenerator.Write(writer, Functions);
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writer.Write(IsAutoSerialization);
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writer.Write(ForceNoPod);
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writer.Write(NoDefault);
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base.Write(writer);
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}
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public override void Read(BinaryReader reader)
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{
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Fields = BindingsGenerator.Read(reader, Fields);
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Functions = BindingsGenerator.Read(reader, Functions);
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IsAutoSerialization = reader.ReadBoolean();
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ForceNoPod = reader.ReadBoolean();
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NoDefault = reader.ReadBoolean();
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base.Read(reader);
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}
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public override void AddChild(ApiTypeInfo apiTypeInfo)
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{
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if (apiTypeInfo is EnumInfo)
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{
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base.AddChild(apiTypeInfo);
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}
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else
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{
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throw new NotSupportedException("Structures in API can have only enums as sub-types.");
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}
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}
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public override string ToString()
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{
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return "struct " + Name;
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}
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}
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}
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