tools: Check for context

1 files changed, 7 insertions, 1 deletions

diff --git a/modules/tools/c++/c_gen_iface.hpp b/modules/tools/c++/c_gen_iface.hpp
index f9018bb..64ac5a5 100644
--- a/modules/tools/c++/c_gen_iface.hpp
+++ b/modules/tools/c++/c_gen_iface.hpp
@@ -279,6 +279,9 @@ struct lang_bind<schema::Array<T,D>, binding::SyncC> {
 template<typename Input, typename Output>
 struct lang_bind<schema::Function<Input, Output>, binding::SyncC> {
 	static error_or<void> append_function_def(buffer& buff, const language_binding_config& cfg, language_binding_state& state, const std::string_view& f_name){
+		/**
+		 * Generate the base function declaration
+		 */
 		{
 			auto eov = lang_bind_helper::append_string(buff, "int ");
 			if(eov.is_error()){
@@ -377,6 +380,9 @@ struct lang_bind<schema::Function<Input, Output>, binding::SyncC> {
 		constexpr uint64_t input_hash = schema_hash<Input>::apply();
 		constexpr uint64_t output_hash = schema_hash<Output>::apply();
 
+		/**
+		 * Function generations
+		 */
 		{
 				auto eov = lang_bind<Input, binding::SyncC>::generate(buff, src, cfg, state);
 				if(eov.is_error()){
@@ -495,7 +501,7 @@ struct lang_bind<schema::Function<Input, Output>, binding::SyncC> {
 			}
 		}
 		{
-			auto eov = lang_bind_helper::append_string(src, "{\n\tif(!input) return -1;\n\tif(!output) return -1;\n\t");
+			auto eov = lang_bind_helper::append_string(src, "{\n\tif(!ctx) return -1;\n\tif(!input) return -1;\n\tif(!output) return -1;\n\t");
 			if(eov.is_error()){
 				return eov;
 			}