allow creating a guest depending only on hl-guest-bin (#1383)

Signed-off-by: Jorge Prendes <jorge.prendes@gmail.com>

Author: jprendes

src/hyperlight_guest/src/error.rs

@@ -17,7 +17,7 @@ limitations under the License.
 use alloc::format;
 use alloc::string::{String, ToString as _};
 
-use hyperlight_common::flatbuffer_wrappers::guest_error::ErrorCode;
+pub use hyperlight_common::flatbuffer_wrappers::guest_error::ErrorCode;
 use hyperlight_common::func::Error as FuncError;
 use {anyhow, serde_json};
 

src/hyperlight_guest/src/lib.rs

@@ -25,6 +25,7 @@ pub mod error;
 pub mod exit;
 pub mod layout;
 pub mod prim_alloc;
+pub mod types;
 
 pub mod guest_handle {
     pub mod handle;

src/hyperlight_guest/src/types.rs

@@ -0,0 +1,20 @@
+/*
+Copyright 2026  The Hyperlight Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+ */
+
+pub use hyperlight_common::flatbuffer_wrappers::function_call::FunctionCall;
+pub use hyperlight_common::flatbuffer_wrappers::function_types::{
+    ParameterType, ParameterValue, ReturnType, ReturnValue,
+};

src/hyperlight_guest_bin/src/error.rs

@@ -0,0 +1,18 @@
+/*
+Copyright 2026  The Hyperlight Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+pub use hyperlight_guest::error::*;
+pub use hyperlight_guest::{bail, ensure};

src/hyperlight_guest_bin/src/lib.rs

@@ -47,6 +47,7 @@ pub mod guest_function {
     pub mod register;
 }
 
+pub mod error;
 pub mod guest_logger;
 pub mod host_comm;
 pub mod memory;