tools: better error printing

2 files changed, 25 insertions, 0 deletions

diff --git a/modules/tools/c++/c_gen_iface.hpp b/modules/tools/c++/c_gen_iface.hpp
index a5d1de6..8bd702b 100644
--- a/modules/tools/c++/c_gen_iface.hpp
+++ b/modules/tools/c++/c_gen_iface.hpp
@@ -482,6 +482,27 @@ struct lang_bind<schema::Function<Input, Output>, binding::SyncC> {
 				return eov;
 			}
 		}
+		/**
+		 * Source
+		 */
+		{
+			auto eov = append_function_def(src, cfg, state, f_name);
+			if(eov.is_error()){
+				return eov;
+			}
+		}
+		{
+			auto eov = lang_bind_helper::append_string(src, "{\n\tif(!input) return -1;\n\tif(!output) return -1;\n\t");
+			if(eov.is_error()){
+				return eov;
+			}
+		}
+		{
+			auto eov = lang_bind_helper::append_string(src, "return 0;\n}\n\n");
+			if(eov.is_error()){
+				return eov;
+			}
+		}
 
 		return void_t{};
 	}
diff --git a/modules/tools/tests/c_iface.cpp b/modules/tools/tests/c_iface.cpp
index 676b5de..01f981e 100644
--- a/modules/tools/tests/c_iface.cpp
+++ b/modules/tools/tests/c_iface.cpp
@@ -68,6 +68,7 @@ SAW_TEST("CIface Empty Interface"){
 	test_generate<schema::TestEmptyInterface>(res,src);
 
 	std::cout<<"\n"<<res<<"\n"<<std::endl;
+	std::cout<<"\nSource\n"<<src<<"\n"<<std::endl;
 }
 
 SAW_TEST("CIface One Function Interface"){
@@ -77,6 +78,7 @@ SAW_TEST("CIface One Function Interface"){
 	std::string src;
 	test_generate<schema::TestOneFunctionInterface>(res, src);
 	std::cout<<"\n"<<res<<"\n"<<std::endl;
+	std::cout<<"\nSource\n"<<src<<"\n"<<std::endl;
 }
 
 SAW_TEST("CIface Multi Function Interface"){
@@ -86,6 +88,7 @@ SAW_TEST("CIface Multi Function Interface"){
 	std::string src;
 	test_generate<schema::TestMultiFunctionInterface>(res, src);
 	std::cout<<"\n"<<res<<"\n"<<std::endl;
+	std::cout<<"\nSource\n"<<src<<"\n"<<std::endl;
 }
 
 SAW_TEST("CIface Array Function Interface"){
@@ -95,5 +98,6 @@ SAW_TEST("CIface Array Function Interface"){
 	std::string src;
 	test_generate<schema::TestArrayFunctionInterface>(res, src);
 	std::cout<<"\n"<<res<<"\n"<<std::endl;
+	std::cout<<"\nSource\n"<<src<<"\n"<<std::endl;
 }
 }