From 978ec0f0a1d802bc757c53f2c5ceb88e16f5042b Mon Sep 17 00:00:00 2001
From: Manuel Carrasco <mcarrasco@dc.uba.ar>
Date: Fri, 25 Oct 2019 16:19:34 -0300
Subject: [PATCH] Added model for layout information

---
 Model/Types/TypeDefinitions.cs | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/Model/Types/TypeDefinitions.cs b/Model/Types/TypeDefinitions.cs
index 27062ea7..6a2d1bde 100644
--- a/Model/Types/TypeDefinitions.cs
+++ b/Model/Types/TypeDefinitions.cs
@@ -605,7 +605,25 @@ public enum VisibilityKind
 		Internal = 4,
 		Public = 8
 	}
-
+	public enum LayoutKind
+	{
+		Unknown,
+		AutoLayout,    // Class fields are auto-laid out
+		SequentialLayout,  // Class fields are laid out sequentially
+		ExplicitLayout,	// Layout is supplied explicitly
+	}
+	public class LayoutInformation
+	{
+		public LayoutKind Kind { get; set; }
+		public short PackingSize { get; set; }
+		public int ClassSize { get; set; }
+		public LayoutInformation(LayoutKind kind = LayoutKind.Unknown)
+		{
+			Kind = kind;
+			PackingSize = -1;
+			ClassSize = -1;
+		}
+	}
 	public class TypeDefinition : IBasicType, IGenericDefinition, ITypeMemberDefinition, ITypeDefinitionContainer
 	{
 		public TypeKind TypeKind { get; set; }
@@ -623,7 +641,7 @@ public class TypeDefinition : IBasicType, IGenericDefinition, ITypeMemberDefinit
 		public IList<MethodDefinition> Methods { get; private set; }
 		public IList<TypeDefinition> Types { get; private set; }
 		public IBasicType UnderlayingType { get; set; }
-
+		public LayoutInformation LayoutInformation { get; set; }
 		public TypeDefinition(string name, TypeKind typeKind = TypeKind.Unknown, TypeDefinitionKind kind = TypeDefinitionKind.Unknown)
 		{
 			this.Name = name;
@@ -635,6 +653,7 @@ public TypeDefinition(string name, TypeKind typeKind = TypeKind.Unknown, TypeDef
 			this.Fields = new List<FieldDefinition>();
 			this.Methods = new List<MethodDefinition>();
 			this.Types = new List<TypeDefinition>();
+			this.LayoutInformation = new LayoutInformation();
 		}
 
 		public string GenericName