fix(go): casting unsafe pointer to uintptr type (#1493)

* fix(go): casting unsafe pointer to uintptr type when passed to wasm_import_* functions

Signed-off-by: Andrew Steurer <[email protected]>

* fix: update dev container to use patched version of Go

Signed-off-by: Andrew Steurer <[email protected]>

* feat: adding async resource func test

Signed-off-by: Andrew Steurer <[email protected]>

---------

Signed-off-by: Andrew Steurer <[email protected]>

Author: asteurer

.devcontainer/setup.sh

@@ -29,6 +29,8 @@ curl -fsSL https://cli.moonbitlang.com/install/unix.sh | bash
 echo 'export PATH="$HOME/.moon/bin:$PATH"' >> ~/.bashrc
 
 # Go
-curl -OL https://go.dev/dl/go1.25.5.linux-amd64.tar.gz
-tar xf go1.25.5.linux-amd64.tar.gz
-echo "export PATH=$HOME/go1.25.5.linux-amd64/bin:\$PATH" >> ~/.bashrc
+GO="go-$(uname -s | tr 'A-Z' 'a-z')-$(uname -m | sed -e 's/aarch64/arm64/' -e 's/x86_64/amd64/')-bootstrap"
+curl -OL https://github.com/dicej/go/releases/download/go1.25.5-wasi-on-idle/$GO.tbz
+tar xf $GO.tbz
+rm $GO.tbz
+echo "export PATH=$HOME/$GO/bin:\$PATH" >> ~/.bashrc

crates/go/src/lib.rs

@@ -1006,7 +1006,7 @@ impl Go {
                     format!(
                         "{params_pointer} := wit_runtime.Allocate({PINNER}, {size}, {align})\n{code}"
                     ),
-                    vec![params_pointer],
+                    vec![format!("uintptr({params_pointer})")],
                 )
             } else {
                 let wasm_params = go_param_names

crates/test/src/cpp.rs

@@ -51,7 +51,8 @@ impl LanguageMethods for Cpp {
             | "futures.wit"
             | "resources-with-futures.wit"
             | "resources-with-streams.wit"
-            | "streams.wit" => true,
+            | "streams.wit"
+            | "async-resource-func.wit" => true,
             _ => false,
         }
     }

crates/test/src/csharp.rs

@@ -47,6 +47,7 @@ impl LanguageMethods for Csharp {
                 | "streams.wit"
                 | "error-context.wit"
                 | "resource-fallible-constructor.wit"
+                | "async-resource-func.wit"
         )
     }
 

tests/codegen/async-resource-func.wit

@@ -0,0 +1,14 @@
+package foo:bar;
+
+world bindings {
+    import types;
+}
+
+interface types {
+    resource descriptor {
+        test: async func(
+            arg1: string,
+            arg2: list<s32>,
+        );
+    }
+}