From 853f88956014a6fdf76359867c969acb9bce18e7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Sim=C3=B5es?= <jose.simoes@eclo.solutions>
Date: Tue, 25 Nov 2025 01:18:13 +0000
Subject: [PATCH] Add support to process pointer parameters

- Now encodes pointer parameters with valid C++ names.
- Add method with pointer parameter to test app.
---
 .../Utility/NativeMethodsCrc.cs                   | 15 ++++++++++-----
 .../NativeMethodGeneration.cs                     |  5 ++++-
 .../StubsGenerationTestNFApp.nfproj               |  3 ++-
 3 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/MetadataProcessor.Shared/Utility/NativeMethodsCrc.cs b/MetadataProcessor.Shared/Utility/NativeMethodsCrc.cs
index 1b6a7b0c..dcb50a83 100644
--- a/MetadataProcessor.Shared/Utility/NativeMethodsCrc.cs
+++ b/MetadataProcessor.Shared/Utility/NativeMethodsCrc.cs
@@ -191,13 +191,18 @@ internal static string GetNanoCLRTypeName(TypeReference parameterType)
                     // check if it's generic
                     return "DATATYPE_GENERICTYPE";
                 }
-                else
+                else if(parameterType.IsPointer)
                 {
-                    // this is not a generic, get full qualified type name
-                    string typeName = parameterType.FullName.Replace(".", String.Empty);
-
-                    return CleanupGenericName(typeName);
+                    if (nanoSignaturesTable.PrimitiveTypes.TryGetValue(parameterType.GetElementType().FullName, out myType))
+                    {
+                        return $"{myType}ptr";
+                    }
                 }
+
+                // last attempt: get full qualified type name
+                string typeName = parameterType.FullName.Replace(".", string.Empty);
+
+                return CleanupGenericName(typeName);
             }
         }
 
diff --git a/MetadataProcessor.Tests/StubsGenerationTestNFApp/NativeMethodGeneration.cs b/MetadataProcessor.Tests/StubsGenerationTestNFApp/NativeMethodGeneration.cs
index c49c1e0a..a17fd0ff 100644
--- a/MetadataProcessor.Tests/StubsGenerationTestNFApp/NativeMethodGeneration.cs
+++ b/MetadataProcessor.Tests/StubsGenerationTestNFApp/NativeMethodGeneration.cs
@@ -27,5 +27,8 @@ public void Method()
 
         [MethodImpl(MethodImplOptions.InternalCall)]
         private static extern byte NativeStaticMethodReturningByte(char charParam);
+
+        [MethodImpl(MethodImplOptions.InternalCall)]
+        public extern unsafe void MethodWithPointerParm(void* pointer, int length);
     }
-}
\ No newline at end of file
+}
diff --git a/MetadataProcessor.Tests/StubsGenerationTestNFApp/StubsGenerationTestNFApp.nfproj b/MetadataProcessor.Tests/StubsGenerationTestNFApp/StubsGenerationTestNFApp.nfproj
index 70078d50..b09e2019 100644
--- a/MetadataProcessor.Tests/StubsGenerationTestNFApp/StubsGenerationTestNFApp.nfproj
+++ b/MetadataProcessor.Tests/StubsGenerationTestNFApp/StubsGenerationTestNFApp.nfproj
@@ -15,6 +15,7 @@
     <RootNamespace>StubsGenerationTestNFApp</RootNamespace>
     <AssemblyName>StubsGenerationTestNFApp</AssemblyName>
     <TargetFrameworkVersion>v1.0</TargetFrameworkVersion>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
   <PropertyGroup Label="nanoFramework">
     <NFMDP_GENERATE_STUBS>True</NFMDP_GENERATE_STUBS>
@@ -35,4 +36,4 @@
       <ProjectConfigurationsDeclaredAsItems />
     </ProjectCapabilities>
   </ProjectExtensions>
-</Project>
\ No newline at end of file
+</Project>