ContextToFieldDescriptor helper class

Author: ds5678

Cpp2IL.Core/Utils/AsmResolver/ContextToFieldDescriptor.cs

@@ -0,0 +1,33 @@
+using AsmResolver.DotNet;
+using AsmResolver.DotNet.Signatures;
+using Cpp2IL.Core.Model.Contexts;
+
+namespace Cpp2IL.Core.Utils.AsmResolver;
+
+public static class ContextToFieldDescriptor
+{
+    private static FieldDefinition GetFieldDefinition(this FieldAnalysisContext context)
+    {
+        return context.GetExtraData<FieldDefinition>("AsmResolverField") ?? throw new($"AsmResolver field not found in method analysis context for {context}");
+    }
+
+    private static FieldSignature ToFieldSignature(this FieldAnalysisContext context, ModuleDefinition parentModule)
+    {
+        return new FieldSignature(context.ToTypeSignature(parentModule));
+    }
+
+    public static IFieldDescriptor ToFieldDescriptor(this FieldAnalysisContext context, ModuleDefinition parentModule)
+    {
+        return context is ConcreteGenericFieldAnalysisContext concreteField
+            ? concreteField.ToFieldDescriptor(parentModule)
+            : parentModule.DefaultImporter.ImportField(context.GetFieldDefinition());
+    }
+
+    public static IFieldDescriptor ToFieldDescriptor(this ConcreteGenericFieldAnalysisContext context, ModuleDefinition parentModule)
+    {
+        return new MemberReference(
+            context.DeclaringType.ToTypeSignature(parentModule).ToTypeDefOrRef(),
+            context.Name,
+            context.BaseFieldContext.ToFieldSignature(parentModule));
+    }
+}