add VersionedSerialization + source generator

VersionedSerialization.Generator/Models/ObjectSerializationInfo.cs

@@ -0,0 +1,13 @@
+using VersionedSerialization.Generator.Utils;
+
+namespace VersionedSerialization.Generator.Models;
+
+public sealed record ObjectSerializationInfo(
+    string Namespace,
+    string Name,
+    bool HasBaseType,
+    bool IsStruct,
+    bool ShouldGenerateSizeMethod,
+    bool CanGenerateSizeMethod,
+    ImmutableEquatableArray<PropertySerializationInfo> Properties
+);

VersionedSerialization.Generator/Models/PropertySerializationInfo.cs

@@ -0,0 +1,11 @@
+using VersionedSerialization.Generator.Utils;
+
+namespace VersionedSerialization.Generator.Models;
+
+public sealed record PropertySerializationInfo(
+    string Name,
+    string ReadMethod,
+    string SizeExpression,
+    int Alignment,
+    ImmutableEquatableArray<VersionCondition> VersionConditions
+);

VersionedSerialization.Generator/Models/PropertyType.cs

@@ -0,0 +1,48 @@
+using System;
+
+namespace VersionedSerialization.Generator.Models;
+
+public enum PropertyType
+{
+    Unsupported = -1,
+    None,
+    Boolean,
+    UInt8,
+    UInt16,
+    UInt32,
+    UInt64,
+    Int8,
+    Int16,
+    Int32,
+    Int64,
+    String,
+}
+
+public static class PropertyTypeExtensions
+{
+    public static string GetTypeName(this PropertyType type)
+        => type switch
+        {
+            PropertyType.Unsupported => nameof(PropertyType.Unsupported),
+            PropertyType.None => nameof(PropertyType.None),
+            PropertyType.UInt8 => nameof(Byte),
+            PropertyType.Int8 => nameof(SByte),
+            PropertyType.Boolean => nameof(PropertyType.Boolean),
+            PropertyType.UInt16 => nameof(PropertyType.UInt16),
+            PropertyType.UInt32 => nameof(PropertyType.UInt32),
+            PropertyType.UInt64 => nameof(PropertyType.UInt64),
+            PropertyType.Int16 => nameof(PropertyType.Int16),
+            PropertyType.Int32 => nameof(PropertyType.Int32),
+            PropertyType.Int64 => nameof(PropertyType.Int64),
+            PropertyType.String => nameof(String),
+            _ => throw new ArgumentOutOfRangeException(nameof(type), type, null)
+        };
+
+    public static bool IsSeperateMethod(this PropertyType type)
+        => type switch
+        {
+            PropertyType.Boolean => true,
+            PropertyType.String => true,
+            _ => false
+        };
+}

VersionedSerialization.Generator/Models/VersionCondition.cs

@@ -0,0 +1,3 @@
+namespace VersionedSerialization.Generator.Models;
+
+public sealed record VersionCondition(StructVersion? LessThan, StructVersion? GreaterThan, StructVersion? EqualTo, string? IncludingTag, string? ExcludingTag);